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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
26	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	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
		42
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		44
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
39		47
40	$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
41		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
42	our %COMMAND = ();	52	our %COMMAND = ();
43	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
44		54
45	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
49		60
50	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
51	our @EVENT;	62	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		63
54	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(!)
55	our $TICK_WATCHER;	77	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	80	our $NEXT_TICK;
59	our $NOW;	81	our $NOW;
…		…
68	our $RUNTIME;	90	our $RUNTIME;
69		91
70	our %PLAYER; # all users	92	our %PLAYER; # all users
71	our %MAP; # all maps	93	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		95
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		102
82	binmode STDOUT;	103	binmode STDOUT;
83	binmode STDERR;	104	binmode STDERR;
84		105
85	# read virtual server time, if available	106	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
90	}	111	}
91		112
92	mkdir cf::localdir;	113	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		115
99	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
100		117
101	sub cf::map::normalise;	118	sub cf::map::normalise;
102		119
…		…
113	=item $cf::RUNTIME	130	=item $cf::RUNTIME
114		131
115	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
116	every server tick.	133	every server tick.
117		134
118	=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
119		138
120	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		143
123	=item $cf::NOW	144	=item $cf::NOW
124		145
125	The time of the last (current) server tick.	146	The time of the last (current) server tick.
126		147
127	=item $cf::TICK	148	=item $cf::TICK
128		149
129	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.
130		161
131	=item %cf::CFG	162	=item %cf::CFG
132		163
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	165	from wherever your confdir points to.
135		166
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		168
138	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
139	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
140	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.
141	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.
142		178
143	=back	179	=back
144		180
145	=cut	181	=cut
146		182
147	BEGIN {	183	BEGIN {
148	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	185	my $msg = join "", @_;
150	utf8::encode $msg;
151		186
152	$msg .= "\n"	187	$msg .= "\n"
153	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
154		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
155	LOG llevError, $msg;	193	LOG llevError, $msg;
156	};	194	};
157	}	195	}
158		196
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		204
166	# 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
167	# within the Safe compartment.	206	# within the Safe compartment.
168	for my $pkg (qw(	207	for my $pkg (qw(
169	cf::global cf::attachable	208	cf::global cf::attachable
…		…
177	}	216	}
178		217
179	$Event::DIED = sub {	218	$Event::DIED = sub {
180	warn "error in event callback: @_";	219	warn "error in event callback: @_";
181	};	220	};
		221
		222	#############################################################################
182		223
183	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
184		225
185	=over 4	226	=over 4
186		227
…		…
205	$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;
206	$d	247	$d
207	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
208	}	249	}
209		250
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
213		252
214	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
215		254
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
224		256
225	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
226		258
227	=cut	259	=cut
228		260
229	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
231	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
243	returned.	275	returned.
244		276
245	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
246	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
247		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
248	=cut	284	=cut
249		285
250	our %LOCK;	286	our %LOCK;
251		287
252	sub lock_wait($) {	288	sub lock_wait($) {
…		…
269		305
270	Coro::guard {	306	Coro::guard {
271	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
273	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
274	}	316	}
275		317
276	sub freeze_mainloop {	318	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
278		320
…		…
281	};	323	};
282	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
283	$guard	325	$guard
284	}	326	}
285		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
286	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
287		385
288	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
289	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
290	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.
…		…
293		391
294	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
295		393
296	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
297		395
298	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)
299	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
300	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.
301		400
302	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
303	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
304	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
305	fast or be very important.	404	fast or be very important.
…		…
308		407
309	sub sync_job(&) {	408	sub sync_job(&) {
310	my ($job) = @_;	409	my ($job) = @_;
311		410
312	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
313	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
315		416
316	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
328		429
329	while ($busy) {	430	while ($busy) {
330	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
331	}	432	}
332		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
333	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
334	} else {	442	} else {
335	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
336		444
337	$job->()	445	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
357		465
358	$coro	466	$coro
359	}	467	}
360		468
361	sub write_runtime {	469	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		470
364	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.
365		475
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
367	or return;
368		477
369	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		480
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
374	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
375		484
376	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	486	reset_signals;
378	and return;	487	&$cb
		488	}, @args;
379		489
380	close $fh	490	wantarray ? @res : $res[-1]
381	or return;	491	}
382		492
383	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
384	and return;
385		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	};
386	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 });
387	}	618	}
388		619
389	=back	620	=back
390		621
391	=cut	622	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
400		631
401	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>
402	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
403	crossfire+).	634	Crossfire TRT).
404		635
405	=over 4	636	=over 4
406		637
407	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
408		639
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
572		803
573	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		808
578	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	810	my $pkg = shift @arg;
580		811
581	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
611	}	842	}
612		843
613	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
614	} else {	845	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	847	}
617		848
618	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
619	}	850	}
620		851
…		…
622	if (ref $_[0]) {	853	if (ref $_[0]) {
623	_object_attach @_;	854	_object_attach @_;
624	} else {	855	} else {
625	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
626	}	857	}
		858	_recalc_want;
627	};	859	};
628		860
629	# all those should be optimised	861	# all those should be optimised
630	sub cf::attachable::detach {	862	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
635	reattach ($obj);	867	reattach ($obj);
636	} else {	868	} else {
637	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
638	}	870	}
		871	_recalc_want;
639	};	872	};
640		873
641	sub cf::attachable::attached {	874	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
643		876
…		…
658	";	891	";
659	die if $@;	892	die if $@;
660	}	893	}
661		894
662	our $override;	895	our $override;
663	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?
664		897
665	sub override {	898	sub override {
666	$override = 1;	899	$override = 1;
667	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
668	}	901	}
669		902
670	sub do_invoke {	903	sub do_invoke {
671	my $event = shift;	904	my $event = shift;
672	my $callbacks = shift;	905	my $callbacks = shift;
673		906
674	@invoke_results = ();	907	@INVOKE_RESULTS = ();
675		908
676	local $override;	909	local $override;
677		910
678	for (@$callbacks) {	911	for (@$callbacks) {
679	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
696		929
697	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
698		931
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		935
703	=back	936	=back
704		937
705	=cut	938	=cut
706		939
707	#############################################################################	940	#############################################################################
708	# 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	}
709		953
710	sub reattach {	954	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	956	my ($obj) = @_;
713		957
…		…
816	or return;	1060	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1062	}
819		1063
820	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1066	return ($data, $av);
823	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
824		1074
825	#############################################################################	1075	#############################################################################
826	# command handling &c	1076	# command handling &c
827		1077
828	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1092	}
843		1093
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1095
846	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.
847		1101
848	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
849	called.	1103	called.
850		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
851	=cut	1116	=cut
852		1117
853	sub register_extcmd {	1118	sub register_extcmd {
854	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
855		1120
856	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
857	}	1128	}
858		1129
859	cf::player->attach (	1130	cf::player->attach (
860	on_command => sub {	1131	on_command => sub {
861	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1141	cf::override;
871	},	1142	},
872	on_extcmd => sub {	1143	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
874		1145
875	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1147
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
883	} else {	1163	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1165	}
886		1166
887	cf::override;	1167	cf::override;
888	},	1168	},
889	);	1169	);
890		1170
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
926	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1176	next unless -r $path;
928	eval {	1177
929	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;
930	1	1235	}
931	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
932	}	1241	};
933	}	1242	}
934		1243
935	#############################################################################	1244	#############################################################################
936		1245
		1246	=back
		1247
937	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
938		1249
939	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
940		1251
941	=cut	1252	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
954		1265
955	=cut	1266	=cut
956		1267
957	sub playerdir($) {	1268	sub playerdir($) {
958	cf::localdir	1269	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1271	}
964		1272
965	sub path($) {	1273	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1275
968	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
969	}	1277	}
970		1278
971	sub find_active($) {	1279	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1294	my $login = $_[0];
987		1295
988	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
989		1297
990	$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
991	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
992	or return;	1307	or return;
993	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
994	}	1309	}
995	}	1310	}
…		…
1021	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1022		1337
1023	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1024		1339
1025	$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 (@_);
1026	}	1351	}
1027		1352
1028	=item $pl->quit_character	1353	=item $pl->quit_character
1029		1354
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1080		1405
1081	=cut	1406	=cut
1082		1407
1083	sub list_logins {	1408	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1410	or return [];
1086		1411
1087	my @logins;	1412	my @logins;
1088		1413
1089	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1124	}	1449	}
1125		1450
1126	\@paths	1451	\@paths
1127	}	1452	}
1128		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
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1130		1505
1131	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1132		1507
1133	=cut	1508	=cut
1134		1509
1135	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1137		1512
1138	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1514	}
1142		1515
1143	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	$match
		1555	}
1144		1556
1145	=back	1557	=back
1146
1147		1558
1148	=head3 cf::map	1559	=head3 cf::map
1149		1560
1150	=over 4	1561	=over 4
1151		1562
…		…
1206	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1207		1618
1208	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1209	local $self->{path};	1620	local $self->{path};
1210	local $self->{load_path};	1621	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1622
1214	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1215	}	1624	}
1216		1625
1217	sub normalise {	1626	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1265	return $self;	1674	return $self;
1266	}	1675	}
1267	}	1676	}
1268		1677
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1679	()
1271	}	1680	}
1272		1681
1273	sub init {	1682	sub init {
1274	my ($self) = @_;	1683	my ($self) = @_;
…		…
1289		1698
1290	# the original (read-only) location	1699	# the original (read-only) location
1291	sub load_path {	1700	sub load_path {
1292	my ($self) = @_;	1701	my ($self) = @_;
1293		1702
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1295	}	1704	}
1296		1705
1297	# the temporary/swap location	1706	# the temporary/swap location
1298	sub save_path {	1707	sub save_path {
1299	my ($self) = @_;	1708	my ($self) = @_;
1300		1709
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1303	}	1712	}
1304		1713
1305	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1306	sub uniq_path {	1715	sub uniq_path {
1307	my ($self) = @_;	1716	my ($self) = @_;
1308		1717
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1311	}	1720	}
1312		1721
1313	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1314	# all maps in C++...	1723	# all maps in C++...
1315	sub change_all_map_light {	1724	sub change_all_map_light {
1316	my ($change) = @_;	1725	my ($change) = @_;
1317		1726
1318	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1319	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	$self->do_decay_objects;
1320	}	1737	}
1321		1738
1322	sub unlink_save {	1739	sub unlink_save {
1323	my ($self) = @_;	1740	my ($self) = @_;
1324		1741
…		…
1382	$self->load_header_orig	1799	$self->load_header_orig
1383	or return;	1800	or return;
1384	$self->prepare_orig;	1801	$self->prepare_orig;
1385	}	1802	}
1386		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
1387	1	1810	1
1388	}	1811	}
1389		1812
1390	sub find;	1813	sub find;
1391	sub find {	1814	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1404		1827
1405	$map->load_header	1828	$map->load_header
1406	or return;	1829	or return;
1407		1830
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1834	$map->reset;
1412	undef $guard;	1835	undef $guard;
1413	return find $path;	1836	return find $path;
…		…
1424	my ($self) = @_;	1847	my ($self) = @_;
1425		1848
1426	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1427		1850
1428	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1429	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1430		1856
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1858
1433	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1434		1860
1435	$self->alloc;	1861	$self->alloc;
1436		1862
1437	$self->pre_load;	1863	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1864	Coro::cede;
1463	$self->set_darkness_map;	1865
		1866	$self->_load_objects ($self->{load_path}, 1)
		1867	or return;
		1868
		1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1870	if delete $self->{load_original};
		1871
		1872	if (my $uniq = $self->uniq_path) {
		1873	utf8::encode $uniq;
		1874	if (aio_open $uniq, O_RDONLY, 0) {
		1875	$self->clear_unique_items;
		1876	$self->_load_objects ($uniq, 0);
		1877	}
		1878	}
		1879
		1880	Coro::cede;
		1881	# now do the right thing for maps
		1882	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1884	unless $self->difficulty;
1466	Coro::cede;	1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1467	$self->activate;	1894	$self->activate;
		1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1901	}
1469		1902
1470	$self->post_load;	1903	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1904	}
1474		1905
1475	sub customise_for {	1906	sub customise_for {
1476	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1477		1908
1478	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1910	if $self->per_player;
1480		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1481	$self	1915	$self
1482	}	1916	}
1483		1917
1484	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1919	sub load_neighbours {
1486	my ($map) = @_;	1920	my ($map) = @_;
1487		1921
1488	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1489		1923
1490	for (0 .. 3) {	1924	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1492	or next;	1926	or next;
1493	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1494	or next;	1928	or next;
1495	$neigh->load;	1929	$neigh->load;
1496		1930
		1931	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	1934	}
1500		1935
1501	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1503	or next;	1939	or next;
1504	$neigh->load;	1940	$neigh->load;
1505	}	1941	}
1506	}	1942	}
1507		1943
…		…
1512	}	1948	}
1513		1949
1514	sub do_load_sync {	1950	sub do_load_sync {
1515	my ($map) = @_;	1951	my ($map) = @_;
1516		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1517	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1518	}	1957	}
1519		1958
1520	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1522		1961
1523	sub find_async {	1962	sub find_async {
1524	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1525		1964
1526	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1527		1966
1528	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	1969	}
1531		1970
1532	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1533	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	1976	if (my $map = find $k) {
1537	or next;
1538	$map->load;	1977	$map->load if $v;
		1978	}
1539		1979
1540	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1541	}	1981	}
1542	}	1982	}
1543	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1544	};	1984	};
1545	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1548	}	1988	}
1549		1989
1550	sub save {	1990	sub save {
1551	my ($self) = @_;	1991	my ($self) = @_;
1552		1992
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		1994
1555	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1556		1996
1557	return unless $self->dirty;	1997	return unless $self->dirty;
1558		1998
…		…
1581	my ($self) = @_;	2021	my ($self) = @_;
1582		2022
1583	# save first because save cedes	2023	# save first because save cedes
1584	$self->save;	2024	$self->save;
1585		2025
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2027
1588	return if $self->players;	2028	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2030	return if $self->{deny_save};
1591		2031
…		…
1595		2035
1596	sub reset_at {	2036	sub reset_at {
1597	my ($self) = @_;	2037	my ($self) = @_;
1598		2038
1599	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1602		2041
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2044
…		…
1616	my ($self) = @_;	2055	my ($self) = @_;
1617		2056
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2058
1620	return if $self->players;	2059	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2060
1623	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1624		2062
1625	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1626		2064
1627	# need to save uniques path	2065	# need to save uniques path
1628	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1661		2099
1662	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1663	}	2101	}
1664		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1665	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1666		2140
1667	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2142	instantiated unique items. May block.
1669		2143
1670	=cut	2144	=cut
1671		2145
1672	sub unique_maps() {	2146	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1674	or return;	2148	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2149	utf8::decode $_;
1680	next if /\.pst$/;	2150	/\.map$/
1681	next unless /^$PATH_SEP/o;	2151	? normalise $_
1682		2152	: ()
1683	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2154	]
1685
1686	\@paths
1687	}	2155	}
1688		2156
1689	package cf;	2157	package cf;
1690		2158
1691	=back	2159	=back
…		…
1737		2205
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2207
1740	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1742	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1745	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1746	}	2233	}
1747		2234
1748	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1749		2236
1750	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1798		2285
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2287
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1803		2290
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2292	}
1806		2293
1807	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1809		2298
1810	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1811		2300
1812	unless ($map) {	2301	unless ($map) {
1813	# restore original map position	2302	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1830		2319
1831	$map->load;	2320	$map->load;
1832	$map->load_diag;	2321	$map->load_neighbours;
1833		2322
1834	return unless $self->contr->active;	2323	return unless $self->contr->active;
1835	$self->activate_recursive;	2324	$self->activate_recursive;
1836		2325
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1839	}	2328	}
1840		2329
1841	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2331
1845	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1849	};	2336	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2337
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1876		2341
1877	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2347
1880	$self->enter_link;	2348	$self->enter_link;
1881		2349
1882	(async {	2350	(async {
1883	my $map = eval {	2351	my $map = eval {
1884	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1886	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2367	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1891	})->prio (1);	2375	})->prio (1);
1892	}	2376	}
1893		2377
1894	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1895		2379
…		…
1934		2418
1935	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1936		2420
1937	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1940		2424
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2427	undef $fh;
1944	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
1953		2437
1954	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1955		2439
1956	if ($exit->slaying eq "/!") {	2440	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2444	cf::sync_job { prepare_random_map $exit };
1959	}	2445	}
1960		2446
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
1964		2450
1965	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1966		2456
1967	(async {	2457	(async {
1968	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2459	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
1971		2461
1972	1;	2462	1;
1973	}) {	2463	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2468
1979	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2470	$self->leave_link;
1981	}	2471	}
1982	})->prio (1);	2472	})->prio (1);
…		…
1998		2488
1999	utf8::encode $text;	2489	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2491	}
2002		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
2003		2589
2004	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2005		2591
2006	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2595
2010	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2597	become reliable at some point in the future.
2012		2598
2013	=cut	2599	=cut
2014		2600
2015	sub cf::client::query {	2601	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2610	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2612
2027	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2029	}	2617	}
2030		2618
2031	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2032	on_reply => sub {	2625	on_reply => sub {
2033	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2034		2627
2035	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2036	# get handled first	2629	# get handled first
…		…
2048	} else {	2641	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2643	}
2051	}	2644	}
2052	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2053	);	2672	);
2054		2673
2055	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2056		2675
2057	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2100		2719
2101	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2102		2721
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2104		2727
2105	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2106		2729
2107	=pod	2730	=pod
2108		2731
2109	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2110		2733
2111	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2112	cf::object::player player	2738	cf::object::player
2113	cf::player peaceful	2739	player
2114	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2115		2746
2116	=cut	2747	=cut
2117		2748
2118	for (	2749	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2123	) {	2756	) {
2124	no strict 'refs';	2757	no strict 'refs';
…		…
2195	=back	2828	=back
2196		2829
2197	=cut	2830	=cut
2198		2831
2199	#############################################################################	2832	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2833	# the server's init and main functions
2273		2834
2274	sub load_faces {	2835	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2836	my ($path) = @_;
2276		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2839
2277	warn "loading faces from $path\n";	2840	warn "loading facedata from $path\n";
2278		2841
2279	my $faces;	2842	my $facedata;
2280	0 < aio_load $path, $faces	2843	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2844	or die "$path: $!";
2282		2845
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2846	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2847
		2848	$facedata->{version} == 2
		2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
		2858	{
		2859	my $faces = $facedata->{faceinfo};
		2860
2287	while (my ($face, $info) = each %$faces) {	2861	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		2867
		2868	cf::cede_to_tick;
		2869	}
		2870
2294	while (my ($face, $info) = each %$faces) {	2871	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2872	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2873	my $idx = cf::face::find $face
2297	or next;	2874	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2875	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2876	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	2878	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2880	}
2304	Coro::cede;	2881
		2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
2305	}	2944	}
2306		2945
2307	1	2946	1
2308	}	2947	}
2309		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
2310	sub reload_resources {	2987	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2988	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	2989
		2990	reload_regions;
2313	load_faces	2991	reload_facedata;
2314	or die "unable to load faces\n";#d#	2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
2315	}	2997	}
2316		2998
2317	sub init {	2999	sub init {
2318	reload_resources;	3000	reload_resources;
2319	}	3001	}
2320		3002
2321	sub cfg_load {	3003	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3005	or return;
2324		3006
2325	local $/;	3007	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2327		3009
…		…
2346	(async {	3028	(async {
2347	Event::one_event;	3029	Event::one_event;
2348	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2349	};	3031	};
2350		3032
2351	cfg_load;	3033	reload_config;
2352	db_init;	3034	db_init;
2353	load_extensions;	3035	load_extensions;
2354		3036
2355	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2356	Event::loop;	3038	Event::loop;
…		…
2372	},	3054	},
2373	);	3055	);
2374	}	3056	}
2375	}	3057	}
2376		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2377	sub emergency_save() {	3097	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2379		3099
2380	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2381		3101
…		…
2412		3132
2413	warn Carp::longmess "post_cleanup backtrace"	3133	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3134	if $make_core;
2415	}	3135	}
2416		3136
2417	sub reload() {	3137	sub do_reload_perl() {
2418	# can/must only be called in main	3138	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2421	return;	3141	return;
2422	}	3142	}
…		…
2456	%EXT_CORO = ();	3176	%EXT_CORO = ();
2457		3177
2458	warn "removing commands";	3178	warn "removing commands";
2459	%COMMAND = ();	3179	%COMMAND = ();
2460		3180
2461	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2462	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2463		3184
2464	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2467		3188
…		…
2497	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3220
2500	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2502		3224
2503	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3226	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2506		3228
…		…
2509	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2510	require cf;	3232	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3234
2513	warn "loading config and database again";	3235	warn "loading config and database again";
2514	cf::cfg_load;	3236	cf::reload_config;
2515		3237
2516	warn "loading extensions";	3238	warn "loading extensions";
2517	cf::load_extensions;	3239	cf::load_extensions;
2518		3240
2519	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2521	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3245	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3246	reattach $_ for values %PLAYER;
2525		3247
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3248	warn "leaving sync_job";
2530		3249
2531	1	3250	1
2532	} or do {	3251	} or do {
2533	warn $@;	3252	warn $@;
…		…
2538	warn "reloaded";	3257	warn "reloaded";
2539	};	3258	};
2540		3259
2541	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2542		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2543	register_command "reload" => sub {	3277	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2545		3279
2546	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2548		3282	async { reload_perl };
2549	# doing reload synchronously and two reloads happen back-to-back,
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);
2561	}	3283	}
2562	};	3284	};
2563		3285
2564	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2565		3287
2566	my $bug_warning = 0;	3288	my $bug_warning = 0;
2567		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2568	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	3314	reentrant => 0,
2570	parked => 1,	3315	parked => 1,
2571	prio => 0,	3316	prio => 0,
2572	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2578	return;	3323	return;
2579	}	3324	}
2580		3325
2581	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2582		3327
2583	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2584	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2586		3355
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	3359	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3360	or warn "ERROR: unable to write runtime file: $!";
2592	};	3361	};
2593	}	3362	}
2594		3363
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2600		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2601	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		3378
2604	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2606	},	3388	},
2607	);	3389	);
2608		3390
2609	{	3391	{
2610	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2638		3420
2639	cf::sync_job {	3421	cf::sync_job {
2640	eval {	3422	eval {
2641	BDB::db_env_open	3423	BDB::db_env_open
2642	$DB_ENV,	3424	$DB_ENV,
2643	$BDB_ENV_DIR,	3425	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3428	0666;
2647		3429
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3431
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
2652	};	3434	};
2653		3435
…		…
2669	prio => 6,	3451	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2671	);	3453	);
2672	}	3454	}
2673		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
		3496
2674	END { cf::emergency_save }	3497	END { cf::emergency_save }
2675		3498
2676	1	3499	1
2677		3500

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