ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/cf.schmorp.de/server/lib/cf.pm

Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
48	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
49	our @EVENT;	62	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		63
52	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;	81	our $NOW;
…		…
66	our $RUNTIME;	90	our $RUNTIME;
67		91
68	our %PLAYER; # all users	92	our %PLAYER; # all users
69	our %MAP; # all maps	93	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		95
77	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
80	binmode STDOUT;	103	binmode STDOUT;
81	binmode STDERR;	104	binmode STDERR;
82		105
83	# read virtual server time, if available	106	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
88	}	111	}
89		112
90	mkdir cf::localdir;	113	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		115
97	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
98		117
99	sub cf::map::normalise;	118	sub cf::map::normalise;
100		119
…		…
111	=item $cf::RUNTIME	130	=item $cf::RUNTIME
112		131
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	133	every server tick.
115		134
116	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		138
118	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
120		143
121	=item $cf::NOW	144	=item $cf::NOW
122		145
123	The time of the last (current) server tick.	146	The time of the last (current) server tick.
124		147
125	=item $cf::TICK	148	=item $cf::TICK
126		149
127	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
128		161
129	=item %cf::CFG	162	=item %cf::CFG
130		163
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	165	from wherever your confdir points to.
133		166
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		168
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
140		178
141	=back	179	=back
142		180
143	=cut	181	=cut
144		182
145	BEGIN {	183	BEGIN {
146	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	185	my $msg = join "", @_;
148	utf8::encode $msg;
149		186
150	$msg .= "\n"	187	$msg .= "\n"
151	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
152		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
153	LOG llevError, $msg;	193	LOG llevError, $msg;
154	};	194	};
155	}	195	}
156		196
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		204
164	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	206	# within the Safe compartment.
166	for my $pkg (qw(	207	for my $pkg (qw(
167	cf::global cf::attachable	208	cf::global cf::attachable
…		…
175	}	216	}
176		217
177	$Event::DIED = sub {	218	$Event::DIED = sub {
178	warn "error in event callback: @_";	219	warn "error in event callback: @_";
179	};	220	};
		221
		222	#############################################################################
180		223
181	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
182		225
183	=over 4	226	=over 4
184		227
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	247	$d
205	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
206	}	249	}
207		250
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
211		252
212	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
213		254
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
222		256
223	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
224		258
225	=cut	259	=cut
226		260
227	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
229	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
231		265
232	=item cf::lock_wait $string	266	=item cf::lock_wait $string
233		267
234	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
235		269
…		…
238	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
239	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
240	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
241	returned.	275	returned.
242		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
243	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
245		286
246	=cut	287	=cut
247		288
248	our %LOCK;	289	our %LOCK;
249		290
…		…
267		308
268	Coro::guard {	309	Coro::guard {
269	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
271	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
272	}	319	}
273		320
274	sub freeze_mainloop {	321	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
276		323
…		…
279	};	326	};
280	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
281	$guard	328	$guard
282	}	329	}
283		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
284	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
285		388
286	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
291		394
292	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
293		396
294	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
295		398
296	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
299		403
300	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
303	fast or be very important.	407	fast or be very important.
…		…
306		410
307	sub sync_job(&) {	411	sub sync_job(&) {
308	my ($job) = @_;	412	my ($job) = @_;
309		413
310	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
311	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
313		419
314	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
326		432
327	while ($busy) {	433	while ($busy) {
328	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
329	}	435	}
330		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
331	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
332	} else {	445	} else {
333	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
334		447
335	$job->()	448	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
355		468
356	$coro	469	$coro
357	}	470	}
358		471
359	sub write_runtime {	472	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		473
362	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
363		478
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
365	or return;
366		480
367	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		483
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
372	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
373		487
374	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	489	reset_signals;
376	and return;	490	&$cb
		491	}, @args;
377		492
378	close $fh	493	wantarray ? @res : $res[-1]
379	or return;	494	}
380		495
381	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
382	and return;
383		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
384	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	621	}
386		622
387	=back	623	=back
388		624
389	=cut	625	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
398		634
399	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	637	Crossfire TRT).
402		638
403	=over 4	639	=over 4
404		640
405	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
406		642
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
570		806
571	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		811
576	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	813	my $pkg = shift @arg;
578		814
579	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
609	}	845	}
610		846
611	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
612	} else {	848	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	850	}
615		851
616	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
617	}	853	}
618		854
…		…
620	if (ref $_[0]) {	856	if (ref $_[0]) {
621	_object_attach @_;	857	_object_attach @_;
622	} else {	858	} else {
623	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
624	}	860	}
		861	_recalc_want;
625	};	862	};
626		863
627	# all those should be optimised	864	# all those should be optimised
628	sub cf::attachable::detach {	865	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
633	reattach ($obj);	870	reattach ($obj);
634	} else {	871	} else {
635	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
636	}	873	}
		874	_recalc_want;
637	};	875	};
638		876
639	sub cf::attachable::attached {	877	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
641		879
…		…
656	";	894	";
657	die if $@;	895	die if $@;
658	}	896	}
659		897
660	our $override;	898	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		900
663	sub override {	901	sub override {
664	$override = 1;	902	$override = 1;
665	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
666	}	904	}
667		905
668	sub do_invoke {	906	sub do_invoke {
669	my $event = shift;	907	my $event = shift;
670	my $callbacks = shift;	908	my $callbacks = shift;
671		909
672	@invoke_results = ();	910	@INVOKE_RESULTS = ();
673		911
674	local $override;	912	local $override;
675		913
676	for (@$callbacks) {	914	for (@$callbacks) {
677	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
694		932
695	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
696		934
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		938
701	=back	939	=back
702		940
703	=cut	941	=cut
704		942
705	#############################################################################	943	#############################################################################
706	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
707		956
708	sub reattach {	957	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	959	my ($obj) = @_;
711		960
…		…
814	or return;	1063	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1065	}
817		1066
818	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1069	return ($data, $av);
821	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
822		1077
823	#############################################################################	1078	#############################################################################
824	# command handling &c	1079	# command handling &c
825		1080
826	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1095	}
841		1096
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1098
844	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
845		1104
846	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
847	called.	1106	called.
848		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
849	=cut	1119	=cut
850		1120
851	sub register_extcmd {	1121	sub register_extcmd {
852	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
853		1123
854	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
855	}	1131	}
856		1132
857	cf::player->attach (	1133	cf::player->attach (
858	on_command => sub {	1134	on_command => sub {
859	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1144	cf::override;
869	},	1145	},
870	on_extcmd => sub {	1146	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
872		1148
873	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1150
875	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
881	} else {	1166	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1168	}
884		1169
885	cf::override;	1170	cf::override;
886	},	1171	},
887	);	1172	);
888		1173
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
924	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1179	next unless -r $path;
926	eval {	1180
927	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
928	1	1238	}
929	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
930	}	1244	};
931	}	1245	}
932		1246
933	#############################################################################	1247	#############################################################################
934		1248
		1249	=back
		1250
935	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
936		1252
937	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
938		1254
939	=cut	1255	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
952		1268
953	=cut	1269	=cut
954		1270
955	sub playerdir($) {	1271	sub playerdir($) {
956	cf::localdir	1272	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1274	}
962		1275
963	sub path($) {	1276	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1278
966	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
967	}	1280	}
968		1281
969	sub find_active($) {	1282	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1297	my $login = $_[0];
985		1298
986	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
987		1300
988	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
989	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
990	or return;	1310	or return;
991	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
992	}	1312	}
993	}	1313	}
…		…
1005		1325
1006	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1008		1328
1009	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1010	Coro::cede;	1330	cf::cede_to_tick;
1011	}	1331	}
1012		1332
1013	sub new($) {	1333	sub new($) {
1014	my ($login) = @_;	1334	my ($login) = @_;
1015		1335
…		…
1019	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1020		1340
1021	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1022		1342
1023	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1024	}	1354	}
1025		1355
1026	=item $pl->quit_character	1356	=item $pl->quit_character
1027		1357
1028	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1078		1408
1079	=cut	1409	=cut
1080		1410
1081	sub list_logins {	1411	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1413	or return [];
1084		1414
1085	my @logins;	1415	my @logins;
1086		1416
1087	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1122	}	1452	}
1123		1453
1124	\@paths	1454	\@paths
1125	}	1455	}
1126		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1128		1508
1129	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1130		1510
1131	=cut	1511	=cut
1132		1512
1133	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1135		1515
1136	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1517	}
1140		1518
1141	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1142		1559
1143	=back	1560	=back
1144
1145		1561
1146	=head3 cf::map	1562	=head3 cf::map
1147		1563
1148	=over 4	1564	=over 4
1149		1565
…		…
1204	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1205		1621
1206	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1207	local $self->{path};	1623	local $self->{path};
1208	local $self->{load_path};	1624	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1625
1212	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1213	}	1627	}
1214		1628
1215	sub normalise {	1629	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1263	return $self;	1677	return $self;
1264	}	1678	}
1265	}	1679	}
1266		1680
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1682	()
1269	}	1683	}
1270		1684
1271	sub init {	1685	sub init {
1272	my ($self) = @_;	1686	my ($self) = @_;
…		…
1287		1701
1288	# the original (read-only) location	1702	# the original (read-only) location
1289	sub load_path {	1703	sub load_path {
1290	my ($self) = @_;	1704	my ($self) = @_;
1291		1705
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1293	}	1707	}
1294		1708
1295	# the temporary/swap location	1709	# the temporary/swap location
1296	sub save_path {	1710	sub save_path {
1297	my ($self) = @_;	1711	my ($self) = @_;
1298		1712
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1301	}	1715	}
1302		1716
1303	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1304	sub uniq_path {	1718	sub uniq_path {
1305	my ($self) = @_;	1719	my ($self) = @_;
1306		1720
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1309	}	1723	}
1310		1724
1311	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1312	# all maps in C++...	1726	# all maps in C++...
1313	sub change_all_map_light {	1727	sub change_all_map_light {
1314	my ($change) = @_;	1728	my ($change) = @_;
1315		1729
1316	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1318	}	1740	}
1319		1741
1320	sub unlink_save {	1742	sub unlink_save {
1321	my ($self) = @_;	1743	my ($self) = @_;
1322		1744
…		…
1380	$self->load_header_orig	1802	$self->load_header_orig
1381	or return;	1803	or return;
1382	$self->prepare_orig;	1804	$self->prepare_orig;
1383	}	1805	}
1384		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1385	1	1813	1
1386	}	1814	}
1387		1815
1388	sub find;	1816	sub find;
1389	sub find {	1817	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1402		1830
1403	$map->load_header	1831	$map->load_header
1404	or return;	1832	or return;
1405		1833
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1837	$map->reset;
1410	undef $guard;	1838	undef $guard;
1411	return find $path;	1839	return find $path;
…		…
1422	my ($self) = @_;	1850	my ($self) = @_;
1423		1851
1424	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1425		1853
1426	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1427	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1428		1859
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1861
1431	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1432		1863
1433	$self->alloc;	1864	$self->alloc;
1434		1865
1435	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1436		1868
1437	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1438	or return;	1870	or return;
1439		1871
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	1873	if delete $self->{load_original};
1442		1874
1443	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	1876	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;	1878	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1448	}	1880	}
1449	}	1881	}
1450		1882
1451	Coro::cede;	1883	cf::cede_to_tick;
1452
1453	# now do the right thing for maps	1884	# now do the right thing for maps
1454	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1887	unless $self->difficulty;
1464	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1465	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1904	}
1467		1905
1468	$self->post_load;	1906	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1907	}
1472		1908
1473	sub customise_for {	1909	sub customise_for {
1474	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1475		1911
1476	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1913	if $self->per_player;
1478		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1479	$self	1918	$self
1480	}	1919	}
1481		1920
1482	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1922	sub load_neighbours {
1484	my ($map) = @_;	1923	my ($map) = @_;
1485		1924
1486	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1487		1926
1488	for (0 .. 3) {	1927	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1490	or next;	1929	or next;
1491	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1492	or next;	1931	or next;
1493	$neigh->load;	1932	$neigh->load;
1494		1933
		1934	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	1937	}
1498		1938
1499	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1501	or next;	1942	or next;
1502	$neigh->load;	1943	$neigh->load;
1503	}	1944	}
1504	}	1945	}
1505		1946
…		…
1510	}	1951	}
1511		1952
1512	sub do_load_sync {	1953	sub do_load_sync {
1513	my ($map) = @_;	1954	my ($map) = @_;
1514		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1515	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1516	}	1960	}
1517		1961
1518	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1520		1964
1521	sub find_async {	1965	sub find_async {
1522	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1523		1967
1524	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1525		1969
1526	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	1972	}
1529		1973
1530	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1531	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	1979	if (my $map = find $k) {
1535	or next;
1536	$map->load;	1980	$map->load if $v;
		1981	}
1537		1982
1538	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1539	}	1984	}
1540	}	1985	}
1541	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1542	};	1987	};
1543	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1546	}	1991	}
1547		1992
1548	sub save {	1993	sub save {
1549	my ($self) = @_;	1994	my ($self) = @_;
1550		1995
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1997
1553	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1554		1999
1555	return unless $self->dirty;	2000	return unless $self->dirty;
1556		2001
…		…
1579	my ($self) = @_;	2024	my ($self) = @_;
1580		2025
1581	# save first because save cedes	2026	# save first because save cedes
1582	$self->save;	2027	$self->save;
1583		2028
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2030
1586	return if $self->players;	2031	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2033	return if $self->{deny_save};
1589		2034
…		…
1593		2038
1594	sub reset_at {	2039	sub reset_at {
1595	my ($self) = @_;	2040	my ($self) = @_;
1596		2041
1597	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1600		2044
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2047
…		…
1614	my ($self) = @_;	2058	my ($self) = @_;
1615		2059
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2061
1618	return if $self->players;	2062	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2063
1621	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1622		2065
1623	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1624		2067
1625	# need to save uniques path	2068	# need to save uniques path
1626	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1643	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1644		2087
1645	sub nuke {	2088	sub nuke {
1646	my ($self) = @_;	2089	my ($self) = @_;
1647		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1648	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1649		2095
1650	$self->unlink_save;
1651
1652	bless $self, "cf::map";	2096	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2101
		2102	$self->unlink_save;
		2103
1658	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1659		2106
1660	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1661	}	2144	}
1662		2145
1663	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1664		2147
1665	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2149	instantiated unique items. May block.
1667		2150
1668	=cut	2151	=cut
1669		2152
1670	sub unique_maps() {	2153	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1672	or return;	2155	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2156	utf8::decode $_;
1678	next if /\.pst$/;	2157	/\.map$/
1679	next unless /^$PATH_SEP/o;	2158	? normalise $_
1680		2159	: ()
1681	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2161	]
1683
1684	\@paths
1685	}	2162	}
1686		2163
1687	package cf;	2164	package cf;
1688		2165
1689	=back	2166	=back
…		…
1735		2212
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2214
1738	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1740	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1743	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1744	}	2240	}
1745		2241
1746	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1747		2243
1748	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1796		2292
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2294
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1801		2297
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2299	}
1804		2300
1805	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1807		2305
1808	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1809		2307
1810	unless ($map) {	2308	unless ($map) {
1811	# restore original map position	2309	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1828		2326
1829	$map->load;	2327	$map->load;
1830	$map->load_diag;	2328	$map->load_neighbours;
1831		2329
1832	return unless $self->contr->active;	2330	return unless $self->contr->active;
1833	$self->activate_recursive;	2331	$self->activate_recursive;
1834		2332
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1837	}	2335	}
1838		2336
1839	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2338
1843	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1847	};	2343	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2344
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1874		2348
1875	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2354
1878	$self->enter_link;	2355	$self->enter_link;
1879		2356
1880	(async {	2357	(async {
1881	my $map = eval {	2358	my $map = eval {
1882	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1884	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2374	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1889	})->prio (1);	2382	})->prio (1);
1890	}	2383	}
1891		2384
1892	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1893		2386
…		…
1932		2425
1933	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1934		2427
1935	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1938		2431
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2434	undef $fh;
1942	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1951		2444
1952	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1953		2446
1954	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1957	}	2452	}
1958		2453
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1962		2457
1963	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1964		2463
1965	(async {	2464	(async {
1966	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2466	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1969		2468
1970	1;	2469	1;
1971	}) {	2470	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2475
1977	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2477	$self->leave_link;
1979	}	2478	}
1980	})->prio (1);	2479	})->prio (1);
…		…
1993		2492
1994	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1996		2495
1997	utf8::encode $text;	2496	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2498	}
2000		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
		2574	push @msg, msgtype => "event_$type";
		2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
		2595	}
2001		2596
2002	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
2003		2598
2004	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2602
2008	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2604	become reliable at some point in the future.
2010		2605
2011	=cut	2606	=cut
2012		2607
2013	sub cf::client::query {	2608	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2617	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2619
2025	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
2027	}	2624	}
2028		2625
2029	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
2030	on_reply => sub {	2632	on_reply => sub {
2031	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
2032		2634
2033	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
2034	# get handled first	2636	# get handled first
…		…
2046	} else {	2648	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2650	}
2049	}	2651	}
2050	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
2051	);	2679	);
2052		2680
2053	=item $client->async (\&cb)	2681	=item $client->async (\&cb)
2054		2682
2055	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
2098		2726
2099	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
2100		2728
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
2102		2734
2103	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
2104		2736
2105	=pod	2737	=pod
2106		2738
2107	The following fucntions and emthods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
2108		2740
2109	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
2110	cf::object::player player	2745	cf::object::player
2111	cf::player peaceful	2746	player
2112	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
2113		2753
2114	=cut	2754	=cut
2115		2755
2116	for (	2756	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
2121	) {	2763	) {
2122	no strict 'refs';	2764	no strict 'refs';
…		…
2193	=back	2835	=back
2194		2836
2195	=cut	2837	=cut
2196		2838
2197	#############################################################################	2839	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2840	# the server's init and main functions
2271		2841
2272	sub load_faces {	2842	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2843	my ($path) = @_;
2274		2844
		2845	# HACK to clear player env face cache, we need some signal framework
		2846	# for this (global event?)
		2847	%ext::player_env::MUSIC_FACE_CACHE = ();
		2848
		2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2850
2275	warn "loading faces from $path\n";	2851	warn "loading facedata from $path\n";
2276		2852
2277	my $faces;	2853	my $facedata;
2278	0 < aio_load $path, $faces	2854	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2855	or die "$path: $!";
2280		2856
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2857	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2858
		2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2861
		2862	# patch in the exptable
		2863	$facedata->{resource}{"res/exp_table"} = {
		2864	type => FT_RSRC,
		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2866	};
		2867	cf::cede_to_tick;
		2868
		2869	{
		2870	my $faces = $facedata->{faceinfo};
		2871
2285	while (my ($face, $info) = each %$faces) {	2872	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2874	cf::face::set_visibility $idx, $info->{visibility};
		2875	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2878
		2879	cf::cede_to_tick;
		2880	}
		2881
		2882	while (my ($face, $info) = each %$faces) {
		2883	next unless $info->{smooth};
		2884	my $idx = cf::face::find $face
		2885	or next;
		2886	if (my $smooth = cf::face::find $info->{smooth}) {
		2887	cf::face::set_smooth $idx, $smooth;
		2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2889	} else {
		2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2891	}
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895	}
		2896
		2897	{
		2898	my $anims = $facedata->{animinfo};
		2899
		2900	while (my ($anim, $info) = each %$anims) {
		2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2902	cf::cede_to_tick;
		2903	}
		2904
		2905	cf::anim::invalidate_all; # d'oh
		2906	}
		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
2290	}	2955	}
2291		2956
2292	1	2957	1
2293	}	2958	}
2294		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
		2974	or die "unable to load regions file\n";
		2975
		2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
		2987	sub reload_archetypes {
		2988	load_resource_file "$DATADIR/archetypes"
		2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
		2995	}
		2996
		2997	sub reload_treasures {
		2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
		3000	}
		3001
2295	sub reload_resources {	3002	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3003	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3004
		3005	reload_regions;
2298	load_faces	3006	reload_facedata;
2299	or die "unable to load faces\n";#d#	3007	#reload_archetypes;#d#
		3008	reload_archetypes;
		3009	reload_treasures;
		3010
		3011	warn "finished reloading resource files\n";
2300	}	3012	}
2301		3013
2302	sub init {	3014	sub init {
2303	reload_resources;	3015	reload_resources;
2304	}	3016	}
2305		3017
2306	sub cfg_load {	3018	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3020	or return;
2309		3021
2310	local $/;	3022	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2312		3024
…		…
2331	(async {	3043	(async {
2332	Event::one_event;	3044	Event::one_event;
2333	})->prio (Coro::PRIO_MAX);	3045	})->prio (Coro::PRIO_MAX);
2334	};	3046	};
2335		3047
2336	cfg_load;	3048	reload_config;
2337	db_init;	3049	db_init;
2338	load_extensions;	3050	load_extensions;
2339		3051
2340	$TICK_WATCHER->start;	3052	$TICK_WATCHER->start;
2341	Event::loop;	3053	Event::loop;
…		…
2357	},	3069	},
2358	);	3070	);
2359	}	3071	}
2360	}	3072	}
2361		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
2362	sub emergency_save() {	3112	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3113	my $freeze_guard = cf::freeze_mainloop;
2364		3114
2365	warn "enter emergency perl save\n";	3115	warn "enter emergency perl save\n";
2366		3116
…		…
2397		3147
2398	warn Carp::longmess "post_cleanup backtrace"	3148	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3149	if $make_core;
2400	}	3150	}
2401		3151
2402	sub reload() {	3152	sub do_reload_perl() {
2403	# can/must only be called in main	3153	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3155	warn "can only reload from main coroutine";
2406	return;	3156	return;
2407	}	3157	}
…		…
2441	%EXT_CORO = ();	3191	%EXT_CORO = ();
2442		3192
2443	warn "removing commands";	3193	warn "removing commands";
2444	%COMMAND = ();	3194	%COMMAND = ();
2445		3195
2446	warn "removing ext commands";	3196	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3197	%EXTCMD = ();
		3198	%EXTICMD = ();
2448		3199
2449	warn "unloading/nuking all extensions";	3200	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3201	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3202	warn "... unloading $pkg";
2452		3203
…		…
2482	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3235
2485	warn "unloading cf.pm \"a bit\"";	3236	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2487		3239
2488	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3241	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2491		3243
…		…
2494	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2495	require cf;	3247	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3249
2498	warn "loading config and database again";	3250	warn "loading config and database again";
2499	cf::cfg_load;	3251	cf::reload_config;
2500		3252
2501	warn "loading extensions";	3253	warn "loading extensions";
2502	cf::load_extensions;	3254	cf::load_extensions;
2503		3255
2504	warn "reattaching attachments to objects/players";	3256	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3258	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3259	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3260	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3261	reattach $_ for values %PLAYER;
2510		3262
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3263	warn "leaving sync_job";
2515		3264
2516	1	3265	1
2517	} or do {	3266	} or do {
2518	warn $@;	3267	warn $@;
…		…
2523	warn "reloaded";	3272	warn "reloaded";
2524	};	3273	};
2525		3274
2526	our $RELOAD_WATCHER; # used only during reload	3275	our $RELOAD_WATCHER; # used only during reload
2527		3276
		3277	sub reload_perl() {
		3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
		3280
		3281	$RELOAD_WATCHER ||= Event->timer (
		3282	reentrant => 0,
		3283	after => 0,
		3284	data => WF_AUTOCANCEL,
		3285	cb => sub {
		3286	do_reload_perl;
		3287	undef $RELOAD_WATCHER;
		3288	},
		3289	);
		3290	}
		3291
2528	register_command "reload" => sub {	3292	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2530		3294
2531	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3296	$who->message ("reloading server.");
2533		3297	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3298	}
2547	};	3299	};
2548		3300
2549	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2550		3302
2551	my $bug_warning = 0;	3303	my $bug_warning = 0;
2552		3304
		3305	our @WAIT_FOR_TICK;
		3306	our @WAIT_FOR_TICK_BEGIN;
		3307
		3308	sub wait_for_tick {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	sub wait_for_tick_begin {
		3318	return unless $TICK_WATCHER->is_active;
		3319	return if $Coro::current == $Coro::main;
		3320
		3321	my $signal = new Coro::Signal;
		3322	push @WAIT_FOR_TICK_BEGIN, $signal;
		3323	$signal->wait;
		3324	}
		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3329	reentrant => 0,
2555	parked => 1,	3330	parked => 1,
2556	prio => 0,	3331	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3337	unless ++$bug_warning > 10;
2563	return;	3338	return;
2564	}	3339	}
2565		3340
2566	$NOW = Event::time;	3341	$NOW = $tick_start = Event::time;
2567		3342
2568	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2569	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2571		3370
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3374	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3375	or warn "ERROR: unable to write runtime file: $!";
2577	};	3376	};
2578	}	3377	}
2579		3378
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3379	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3380	# warn $AFTER - $NOW;#d#
2585		3381
		3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3383	$sig->send;
		3384	}
		3385	while (my $sig = shift @WAIT_FOR_TICK) {
		3386	$sig->send;
		3387	}
		3388
		3389	$NOW = Event::time;
		3390
2586	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3393
2589	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2591	},	3403	},
2592	);	3404	);
2593		3405
2594	{	3406	{
2595	BDB::max_poll_time $TICK * 0.1;	3407	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3435
2624	cf::sync_job {	3436	cf::sync_job {
2625	eval {	3437	eval {
2626	BDB::db_env_open	3438	BDB::db_env_open
2627	$DB_ENV,	3439	$DB_ENV,
2628	$BDB_ENV_DIR,	3440	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3443	0666;
2632		3444
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3446
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3448	$DB_ENV->set_lk_detect;
2637	};	3449	};
2638		3450
…		…
2654	prio => 6,	3466	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3467	cb => \&IO::AIO::poll_cb,
2656	);	3468	);
2657	}	3469	}
2658		3470
		3471	my $_log_backtrace;
		3472
		3473	sub _log_backtrace {
		3474	my ($msg, @addr) = @_;
		3475
		3476	$msg =~ s/\n//;
		3477
		3478	# limit the # of concurrent backtraces
		3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
		3506	}
		3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
		3511
2659	END { cf::emergency_save }	3512	END { cf::emergency_save }
2660		3513
2661	1	3514	1
2662		3515

Diff Legend

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