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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 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 1.4 ();
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
…		…
241	returned.	275	returned.
242		276
243	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
245		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
246	=cut	284	=cut
247		285
248	our %LOCK;	286	our %LOCK;
249		287
250	sub lock_wait($) {	288	sub lock_wait($) {
…		…
267		305
268	Coro::guard {	306	Coro::guard {
269	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
271	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
272	}	316	}
273		317
274	sub freeze_mainloop {	318	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
276		320
…		…
279	};	323	};
280	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
281	$guard	325	$guard
282	}	326	}
283		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
284	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
285		385
286	Currently the same as Coro::async_pool, meaning you cannot use	386	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	387	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.	388	thing you are allowed to do is call C<prio> on it.
…		…
291		391
292	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
293		393
294	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
295		395
296	The design of crossfire+ requires that the main coro ($Coro::main) is	396	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	397	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.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
299		400
300	If it must be done, put the blocking parts into C<sync_job>. This will run	401	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	402	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	403	server will be frozen during this time, so the block should either finish
303	fast or be very important.	404	fast or be very important.
…		…
306		407
307	sub sync_job(&) {	408	sub sync_job(&) {
308	my ($job) = @_;	409	my ($job) = @_;
309		410
310	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
311	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
313		416
314	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
326		429
327	while ($busy) {	430	while ($busy) {
328	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
329	}	432	}
330		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
331	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
332	} else {	442	} else {
333	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
334		444
335	$job->()	445	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
355		465
356	$coro	466	$coro
357	}	467	}
358		468
359	sub write_runtime {	469	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		470
362	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
363		475
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
365	or return;
366		477
367	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		480
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
372	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
373		484
374	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	486	reset_signals;
376	and return;	487	&$cb
		488	}, @args;
377		489
378	close $fh	490	wantarray ? @res : $res[-1]
379	or return;	491	}
380		492
381	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
382	and return;
383		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
384	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	618	}
386		619
387	=back	620	=back
388		621
389	=cut	622	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
398		631
399	In the following description, CLASS can be any of C<global>, C<object>	632	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	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	634	Crossfire TRT).
402		635
403	=over 4	636	=over 4
404		637
405	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
406		639
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
570		803
571	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		808
576	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	810	my $pkg = shift @arg;
578		811
579	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
609	}	842	}
610		843
611	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
612	} else {	845	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	847	}
615		848
616	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
617	}	850	}
618		851
…		…
620	if (ref $_[0]) {	853	if (ref $_[0]) {
621	_object_attach @_;	854	_object_attach @_;
622	} else {	855	} else {
623	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
624	}	857	}
		858	_recalc_want;
625	};	859	};
626		860
627	# all those should be optimised	861	# all those should be optimised
628	sub cf::attachable::detach {	862	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
633	reattach ($obj);	867	reattach ($obj);
634	} else {	868	} else {
635	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
636	}	870	}
		871	_recalc_want;
637	};	872	};
638		873
639	sub cf::attachable::attached {	874	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
641		876
…		…
656	";	891	";
657	die if $@;	892	die if $@;
658	}	893	}
659		894
660	our $override;	895	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		897
663	sub override {	898	sub override {
664	$override = 1;	899	$override = 1;
665	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
666	}	901	}
667		902
668	sub do_invoke {	903	sub do_invoke {
669	my $event = shift;	904	my $event = shift;
670	my $callbacks = shift;	905	my $callbacks = shift;
671		906
672	@invoke_results = ();	907	@INVOKE_RESULTS = ();
673		908
674	local $override;	909	local $override;
675		910
676	for (@$callbacks) {	911	for (@$callbacks) {
677	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
694		929
695	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
696		931
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	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	933	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		935
701	=back	936	=back
702		937
703	=cut	938	=cut
704		939
705	#############################################################################	940	#############################################################################
706	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
707		953
708	sub reattach {	954	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	956	my ($obj) = @_;
711		957
…		…
814	or return;	1060	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1062	}
817		1063
818	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1066	return ($data, $av);
821	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
822		1074
823	#############################################################################	1075	#############################################################################
824	# command handling &c	1076	# command handling &c
825		1077
826	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1092	}
841		1093
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1095
844	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
845		1101
846	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
847	called.	1103	called.
848		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
849	=cut	1116	=cut
850		1117
851	sub register_extcmd {	1118	sub register_extcmd {
852	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
853		1120
854	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
855	}	1128	}
856		1129
857	cf::player->attach (	1130	cf::player->attach (
858	on_command => sub {	1131	on_command => sub {
859	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1141	cf::override;
869	},	1142	},
870	on_extcmd => sub {	1143	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
872		1145
873	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1147
875	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
881	} else {	1163	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1165	}
884		1166
885	cf::override;	1167	cf::override;
886	},	1168	},
887	);	1169	);
888		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
924	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1176	next unless -r $path;
926	eval {	1177
927	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
928	1	1235	}
929	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
930	}	1241	};
931	}	1242	}
932		1243
933	#############################################################################	1244	#############################################################################
934		1245
		1246	=back
		1247
935	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
936		1249
937	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
938		1251
939	=cut	1252	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
952		1265
953	=cut	1266	=cut
954		1267
955	sub playerdir($) {	1268	sub playerdir($) {
956	cf::localdir	1269	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1271	}
962		1272
963	sub path($) {	1273	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1275
966	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
967	}	1277	}
968		1278
969	sub find_active($) {	1279	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1294	my $login = $_[0];
985		1295
986	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
987		1297
988	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
989	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
990	or return;	1307	or return;
991	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
992	}	1309	}
993	}	1310	}
…		…
1019	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1020		1337
1021	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1022		1339
1023	$self	1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
1024	}	1351	}
1025		1352
1026	=item $pl->quit_character	1353	=item $pl->quit_character
1027		1354
1028	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
…		…
1077	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1078		1405
1079	=cut	1406	=cut
1080		1407
1081	sub list_logins {	1408	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1410	or return [];
1084		1411
1085	my @logins;	1412	my @logins;
1086		1413
1087	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1122	}	1449	}
1123		1450
1124	\@paths	1451	\@paths
1125	}	1452	}
1126		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1128		1505
1129	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1130		1507
1131	=cut	1508	=cut
1132		1509
1133	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1135		1512
1136	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1514	}
1140		1515
1141	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1142		1556
1143	=back	1557	=back
1144
1145		1558
1146	=head3 cf::map	1559	=head3 cf::map
1147		1560
1148	=over 4	1561	=over 4
1149		1562
…		…
1204	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1205		1618
1206	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1207	local $self->{path};	1620	local $self->{path};
1208	local $self->{load_path};	1621	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1622
1212	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1213	}	1624	}
1214		1625
1215	sub normalise {	1626	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1263	return $self;	1674	return $self;
1264	}	1675	}
1265	}	1676	}
1266		1677
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1679	()
1269	}	1680	}
1270		1681
1271	sub init {	1682	sub init {
1272	my ($self) = @_;	1683	my ($self) = @_;
…		…
1287		1698
1288	# the original (read-only) location	1699	# the original (read-only) location
1289	sub load_path {	1700	sub load_path {
1290	my ($self) = @_;	1701	my ($self) = @_;
1291		1702
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1293	}	1704	}
1294		1705
1295	# the temporary/swap location	1706	# the temporary/swap location
1296	sub save_path {	1707	sub save_path {
1297	my ($self) = @_;	1708	my ($self) = @_;
1298		1709
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1301	}	1712	}
1302		1713
1303	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1304	sub uniq_path {	1715	sub uniq_path {
1305	my ($self) = @_;	1716	my ($self) = @_;
1306		1717
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1309	}	1720	}
1310		1721
1311	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1312	# all maps in C++...	1723	# all maps in C++...
1313	sub change_all_map_light {	1724	sub change_all_map_light {
1314	my ($change) = @_;	1725	my ($change) = @_;
1315		1726
1316	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1318	}	1737	}
1319		1738
1320	sub unlink_save {	1739	sub unlink_save {
1321	my ($self) = @_;	1740	my ($self) = @_;
1322		1741
…		…
1380	$self->load_header_orig	1799	$self->load_header_orig
1381	or return;	1800	or return;
1382	$self->prepare_orig;	1801	$self->prepare_orig;
1383	}	1802	}
1384		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1385	1	1810	1
1386	}	1811	}
1387		1812
1388	sub find;	1813	sub find;
1389	sub find {	1814	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1402		1827
1403	$map->load_header	1828	$map->load_header
1404	or return;	1829	or return;
1405		1830
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1834	$map->reset;
1410	undef $guard;	1835	undef $guard;
1411	return find $path;	1836	return find $path;
…		…
1422	my ($self) = @_;	1847	my ($self) = @_;
1423		1848
1424	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1425		1850
1426	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1428		1855
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1857
1431	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1432		1859
1433	$self->alloc;	1860	$self->alloc;
1434		1861
1435	$self->pre_load;	1862	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1863	Coro::cede;
1461	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1462	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1883	unless $self->difficulty;
1464	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1465	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1900	}
1467		1901
1468	$self->post_load;	1902	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1903	}
1472		1904
1473	sub customise_for {	1905	sub customise_for {
1474	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1475		1907
1476	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1909	if $self->per_player;
1478		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1479	$self	1914	$self
1480	}	1915	}
1481		1916
1482	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	1918	sub load_neighbours {
1484	my ($map) = @_;	1919	my ($map) = @_;
1485		1920
1486	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1487		1922
1488	for (0 .. 3) {	1923	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1490	or next;	1925	or next;
1491	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1492	or next;	1927	or next;
1493	$neigh->load;	1928	$neigh->load;
1494		1929
		1930	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	1933	}
1498		1934
1499	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1501	or next;	1938	or next;
1502	$neigh->load;	1939	$neigh->load;
1503	}	1940	}
1504	}	1941	}
1505		1942
…		…
1510	}	1947	}
1511		1948
1512	sub do_load_sync {	1949	sub do_load_sync {
1513	my ($map) = @_;	1950	my ($map) = @_;
1514		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1515	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1516	}	1956	}
1517		1957
1518	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1520		1960
1521	sub find_async {	1961	sub find_async {
1522	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1523		1963
1524	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1525		1965
1526	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	1968	}
1529		1969
1530	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1531	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	1975	if (my $map = find $k) {
1535	or next;
1536	$map->load;	1976	$map->load if $v;
		1977	}
1537		1978
1538	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1539	}	1980	}
1540	}	1981	}
1541	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1542	};	1983	};
1543	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1593		2034
1594	sub reset_at {	2035	sub reset_at {
1595	my ($self) = @_;	2036	my ($self) = @_;
1596		2037
1597	# TODO: safety, remove and allow resettable per-player maps	2038	# 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};	2039	return 1e99 if $self->{deny_reset};
1600		2040
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2043
…		…
1614	my ($self) = @_;	2054	my ($self) = @_;
1615		2055
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2057
1618	return if $self->players;	2058	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2059
1621	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
1622		2061
1623	$self->in_memory (cf::MAP_SWAPPED);	2062	$self->in_memory (cf::MAP_SWAPPED);
1624		2063
1625	# need to save uniques path	2064	# need to save uniques path
1626	unless ($self->{deny_save}) {	2065	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1659		2098
1660	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1661	}	2100	}
1662		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1663	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1664		2139
1665	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2141	instantiated unique items. May block.
1667		2142
1668	=cut	2143	=cut
1669		2144
1670	sub unique_maps() {	2145	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1672	or return;	2147	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2148	utf8::decode $_;
1678	next if /\.pst$/;	2149	/\.map$/
1679	next unless /^$PATH_SEP/o;	2150	? normalise $_
1680		2151	: ()
1681	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2153	]
1683
1684	\@paths
1685	}	2154	}
1686		2155
1687	package cf;	2156	package cf;
1688		2157
1689	=back	2158	=back
…		…
1735		2204
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2206
1738	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1740	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1743	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1744	}	2232	}
1745		2233
1746	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1747		2235
1748	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1796		2284
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2286
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1801		2289
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2291	}
1804		2292
1805	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1807		2297
1808	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1809		2299
1810	unless ($map) {	2300	unless ($map) {
1811	# restore original map position	2301	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1828		2318
1829	$map->load;	2319	$map->load;
1830	$map->load_diag;	2320	$map->load_neighbours;
1831		2321
1832	return unless $self->contr->active;	2322	return unless $self->contr->active;
1833	$self->activate_recursive;	2323	$self->activate_recursive;
1834		2324
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1837	}	2327	}
1838		2328
1839	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2330
1843	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1847	};	2335	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2336
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	2337	=cut
		2338
		2339	our $GOTOGEN;
1874		2340
1875	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2346
1878	$self->enter_link;	2347	$self->enter_link;
1879		2348
1880	(async {	2349	(async {
1881	my $map = eval {	2350	my $map = eval {
1882	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1884	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2366	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1889	})->prio (1);	2374	})->prio (1);
1890	}	2375	}
1891		2376
1892	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1893		2378
…		…
1932		2417
1933	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1934		2419
1935	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1938		2423
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2426	undef $fh;
1942	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
1951		2436
1952	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1953		2438
1954	if ($exit->slaying eq "/!") {	2439	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2443	cf::sync_job { prepare_random_map $exit };
1957	}	2444	}
1958		2445
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
1962		2449
1963	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1964		2455
1965	(async {	2456	(async {
1966	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2458	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
1969		2460
1970	1;	2461	1;
1971	}) {	2462	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2467
1977	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2469	$self->leave_link;
1979	}	2470	}
1980	})->prio (1);	2471	})->prio (1);
…		…
1993		2484
1994	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1996		2487
1997	utf8::encode $text;	2488	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2490	}
2000		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
		2566	push @msg, msgtype => "event_$type";
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
		2587	}
2001		2588
2002	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
2003		2590
2004	Queues a query to the client, calling the given callback with	2591	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>,	2592	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>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2594
2008	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2596	become reliable at some point in the future.
2010		2597
2011	=cut	2598	=cut
2012		2599
2013	sub cf::client::query {	2600	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2609	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2611
2025	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
2027	}	2616	}
2028		2617
2029	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
2030	on_reply => sub {	2624	on_reply => sub {
2031	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
2032		2626
2033	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
2034	# get handled first	2628	# get handled first
…		…
2046	} else {	2640	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2642	}
2049	}	2643	}
2050	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
2051	);	2671	);
2052		2672
2053	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
2054		2674
2055	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2098		2718
2099	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2100		2720
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2102		2726
2103	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2104		2728
2105	=pod	2729	=pod
2106		2730
2107	The following fucntions and emthods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2108		2732
2109	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2110	cf::object::player player	2737	cf::object::player
2111	cf::player peaceful	2738	player
2112	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2113		2745
2114	=cut	2746	=cut
2115		2747
2116	for (	2748	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2118	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2121	) {	2755	) {
2122	no strict 'refs';	2756	no strict 'refs';
…		…
2193	=back	2827	=back
2194		2828
2195	=cut	2829	=cut
2196		2830
2197	#############################################################################	2831	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$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 $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2832	# the server's init and main functions
2271		2833
2272	sub load_faces {	2834	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2835	my ($path) = @_;
2274		2836
		2837	my $enc = JSON::XS->new->utf8->canonical;
		2838
2275	warn "loading faces from $path\n";	2839	warn "loading facedata from $path\n";
2276		2840
2277	my $faces;	2841	my $facedata;
2278	0 < aio_load $path, $faces	2842	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2843	or die "$path: $!";
2280		2844
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2845	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2846
		2847	$facedata->{version} == 2
		2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2849
		2850	# patch in the exptable
		2851	$facedata->{resource}{"res/exp_table"} = {
		2852	type => FT_RSRC,
		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2854	};
		2855	cf::cede_to_tick;
		2856
		2857	{
		2858	my $faces = $facedata->{faceinfo};
		2859
2285	while (my ($face, $info) = each %$faces) {	2860	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2862	cf::face::set_visibility $idx, $info->{visibility};
		2863	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2866
		2867	cf::cede_to_tick;
		2868	}
		2869
		2870	while (my ($face, $info) = each %$faces) {
		2871	next unless $info->{smooth};
		2872	my $idx = cf::face::find $face
		2873	or next;
		2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
		2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2877	} else {
		2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2879	}
		2880
		2881	cf::cede_to_tick;
		2882	}
		2883	}
		2884
		2885	{
		2886	my $anims = $facedata->{animinfo};
		2887
		2888	while (my ($anim, $info) = each %$anims) {
		2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2890	cf::cede_to_tick;
		2891	}
		2892
		2893	cf::anim::invalidate_all; # d'oh
		2894	}
		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
2290	}	2943	}
2291		2944
2292	1	2945	1
2293	}	2946	}
2294		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
		2955
		2956	sub reload_regions {
		2957	load_resource_file "$MAPDIR/regions"
		2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
		2964	}
		2965
		2966	sub reload_facedata {
		2967	load_facedata "$DATADIR/facedata"
		2968	or die "unable to load facedata\n";
		2969	}
		2970
		2971	sub reload_archetypes {
		2972	load_resource_file "$DATADIR/archetypes"
		2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
		2979	}
		2980
		2981	sub reload_treasures {
		2982	load_resource_file "$DATADIR/treasures"
		2983	or die "unable to load treasurelists\n";
		2984	}
		2985
2295	sub reload_resources {	2986	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2987	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2988
		2989	reload_regions;
2298	load_faces	2990	reload_facedata;
2299	or die "unable to load faces\n";#d#	2991	#reload_archetypes;#d#
		2992	reload_archetypes;
		2993	reload_treasures;
		2994
		2995	warn "finished reloading resource files\n";
2300	}	2996	}
2301		2997
2302	sub init {	2998	sub init {
2303	reload_resources;	2999	reload_resources;
2304	}	3000	}
2305		3001
2306	sub cfg_load {	3002	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3003	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3004	or return;
2309		3005
2310	local $/;	3006	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3007	*CFG = YAML::Syck::Load <$fh>;
2312		3008
…		…
2357	},	3053	},
2358	);	3054	);
2359	}	3055	}
2360	}	3056	}
2361		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2362	sub emergency_save() {	3096	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2364		3098
2365	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2366		3100
…		…
2397		3131
2398	warn Carp::longmess "post_cleanup backtrace"	3132	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3133	if $make_core;
2400	}	3134	}
2401		3135
2402	sub reload() {	3136	sub do_reload_perl() {
2403	# can/must only be called in main	3137	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3138	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3139	warn "can only reload from main coroutine";
2406	return;	3140	return;
2407	}	3141	}
…		…
2441	%EXT_CORO = ();	3175	%EXT_CORO = ();
2442		3176
2443	warn "removing commands";	3177	warn "removing commands";
2444	%COMMAND = ();	3178	%COMMAND = ();
2445		3179
2446	warn "removing ext commands";	3180	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2448		3183
2449	warn "unloading/nuking all extensions";	3184	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2452		3187
…		…
2482	Symbol::delete_package "safe::$_"	3217	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3219
2485	warn "unloading cf.pm \"a bit\"";	3220	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3221	delete $INC{"cf.pm"};
		3222	delete $INC{"cf/pod.pm"};
2487		3223
2488	# don't, removes xs symbols, too,	3224	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3225	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3226	#Symbol::delete_package __PACKAGE__;
2491		3227
…		…
2506	warn "reattaching attachments to maps";	3242	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3243	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3244	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3245	reattach $_ for values %PLAYER;
2510		3246
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3247	warn "leaving sync_job";
2515		3248
2516	1	3249	1
2517	} or do {	3250	} or do {
2518	warn $@;	3251	warn $@;
…		…
2523	warn "reloaded";	3256	warn "reloaded";
2524	};	3257	};
2525		3258
2526	our $RELOAD_WATCHER; # used only during reload	3259	our $RELOAD_WATCHER; # used only during reload
2527		3260
		3261	sub reload_perl() {
		3262	# doing reload synchronously and two reloads happen back-to-back,
		3263	# coro crashes during coro_state_free->destroy here.
		3264
		3265	$RELOAD_WATCHER ||= Event->timer (
		3266	reentrant => 0,
		3267	after => 0,
		3268	data => WF_AUTOCANCEL,
		3269	cb => sub {
		3270	do_reload_perl;
		3271	undef $RELOAD_WATCHER;
		3272	},
		3273	);
		3274	}
		3275
2528	register_command "reload" => sub {	3276	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3277	my ($who, $arg) = @_;
2530		3278
2531	if ($who->flag (FLAG_WIZ)) {	3279	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3280	$who->message ("reloading server.");
2533		3281	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	}	3282	}
2547	};	3283	};
2548		3284
2549	unshift @INC, $LIBDIR;	3285	unshift @INC, $LIBDIR;
2550		3286
2551	my $bug_warning = 0;	3287	my $bug_warning = 0;
2552		3288
		3289	our @WAIT_FOR_TICK;
		3290	our @WAIT_FOR_TICK_BEGIN;
		3291
		3292	sub wait_for_tick {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	sub wait_for_tick_begin {
		3302	return unless $TICK_WATCHER->is_active;
		3303	return if $Coro::current == $Coro::main;
		3304
		3305	my $signal = new Coro::Signal;
		3306	push @WAIT_FOR_TICK_BEGIN, $signal;
		3307	$signal->wait;
		3308	}
		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3313	reentrant => 0,
2555	parked => 1,	3314	parked => 1,
2556	prio => 0,	3315	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3321	unless ++$bug_warning > 10;
2563	return;	3322	return;
2564	}	3323	}
2565		3324
2566	$NOW = Event::time;	3325	$NOW = $tick_start = Event::time;
2567		3326
2568	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
		3351
2569	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2571		3354
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3358	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3359	or warn "ERROR: unable to write runtime file: $!";
2577	};	3360	};
2578	}	3361	}
2579		3362
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3363	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3364	# warn $AFTER - $NOW;#d#
2585		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
		3374
2586	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3377
2589	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
		3380
		3381	$LOAD = ($NOW - $tick_start) / $TICK;
		3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3383
		3384	_post_tick;
		3385
		3386
2591	},	3387	},
2592	);	3388	);
2593		3389
2594	{	3390	{
2595	BDB::max_poll_time $TICK * 0.1;	3391	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3419
2624	cf::sync_job {	3420	cf::sync_job {
2625	eval {	3421	eval {
2626	BDB::db_env_open	3422	BDB::db_env_open
2627	$DB_ENV,	3423	$DB_ENV,
2628	$BDB_ENV_DIR,	3424	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3427	0666;
2632		3428
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3430
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3432	$DB_ENV->set_lk_detect;
2637	};	3433	};
2638		3434
…		…
2654	prio => 6,	3450	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3451	cb => \&IO::AIO::poll_cb,
2656	);	3452	);
2657	}	3453	}
2658		3454
		3455	my $_log_backtrace;
		3456
		3457	sub _log_backtrace {
		3458	my ($msg, @addr) = @_;
		3459
		3460	$msg =~ s/\n//;
		3461
		3462	# limit the # of concurrent backtraces
		3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
		3490	}
		3491	}
		3492
		3493	# load additional modules
		3494	use cf::pod;
		3495
2659	END { cf::emergency_save }	3496	END { cf::emergency_save }
2660		3497
2661	1	3498	1
2662		3499

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