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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 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
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
240	returned.	275	returned.
241		276
242	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
243	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
244		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
245	=cut	284	=cut
246		285
247	our %LOCK;	286	our %LOCK;
248		287
249	sub lock_wait($) {	288	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
270	}	309	}
271	}	310	}
272		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
273	sub freeze_mainloop {	318	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
275		320
276	my $guard = Coro::guard {	321	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	323	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
282	$guard	325	$guard
		326	}
		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;
283	}	382	}
284		383
285	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
286		385
287	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		391
293	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
294		393
295	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
296		395
297	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)
298	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
299	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.
300		400
301	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
302	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
303	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
304	fast or be very important.	404	fast or be very important.
…		…
307		407
308	sub sync_job(&) {	408	sub sync_job(&) {
309	my ($job) = @_;	409	my ($job) = @_;
310		410
311	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
312	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
314		416
315	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
327		429
328	while ($busy) {	430	while ($busy) {
329	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
330	}	432	}
331		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
332	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
333	} else {	442	} else {
334	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
335		444
336	$job->()	445	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
356		465
357	$coro	466	$coro
358	}	467	}
359		468
360	sub write_runtime {	469	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		470
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
364	or return;	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 $value = $cf::RUNTIME + 90 + 10;	476	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		477
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
371	and return;	479	my ($cb, @args) = @_;
372		480
373	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
375	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
376		484
377	close $fh	485	my @res = Coro::Util::fork_eval {
378	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
379		489
380	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
381	and return;	491	}
382		492
		493	=item $value = cf::db_get $family => $key
		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	};
383	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 });
384	}	618	}
385		619
386	=back	620	=back
387		621
388	=cut	622	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
397		631
398	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>
399	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
400	crossfire+).	634	Crossfire TRT).
401		635
402	=over 4	636	=over 4
403		637
404	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
405		639
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
569		803
570	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		808
575	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	810	my $pkg = shift @arg;
577		811
578	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
608	}	842	}
609		843
610	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
611	} else {	845	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	847	}
614		848
615	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
616	}	850	}
617		851
…		…
619	if (ref $_[0]) {	853	if (ref $_[0]) {
620	_object_attach @_;	854	_object_attach @_;
621	} else {	855	} else {
622	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
623	}	857	}
		858	_recalc_want;
624	};	859	};
625		860
626	# all those should be optimised	861	# all those should be optimised
627	sub cf::attachable::detach {	862	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
632	reattach ($obj);	867	reattach ($obj);
633	} else {	868	} else {
634	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
635	}	870	}
		871	_recalc_want;
636	};	872	};
637		873
638	sub cf::attachable::attached {	874	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
640		876
…		…
655	";	891	";
656	die if $@;	892	die if $@;
657	}	893	}
658		894
659	our $override;	895	our $override;
660	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?
661		897
662	sub override {	898	sub override {
663	$override = 1;	899	$override = 1;
664	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
665	}	901	}
666		902
667	sub do_invoke {	903	sub do_invoke {
668	my $event = shift;	904	my $event = shift;
669	my $callbacks = shift;	905	my $callbacks = shift;
670		906
671	@invoke_results = ();	907	@INVOKE_RESULTS = ();
672		908
673	local $override;	909	local $override;
674		910
675	for (@$callbacks) {	911	for (@$callbacks) {
676	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
693		929
694	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
695		931
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		935
700	=back	936	=back
701		937
702	=cut	938	=cut
703		939
704	#############################################################################	940	#############################################################################
705	# 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	}
706		953
707	sub reattach {	954	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	956	my ($obj) = @_;
710		957
…		…
787	}	1034	}
788	} else {	1035	} else {
789	aio_unlink $filename;	1036	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
791	}	1038	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1039	}
799	}	1040	}
800		1041
801	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
808		1049
809	sub object_thawer_load {	1050	sub object_thawer_load {
810	my ($filename) = @_;	1051	my ($filename) = @_;
811		1052
812	my ($data, $av);	1053	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1054
817	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
818	or return;	1056	or return;
819		1057
820	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
822	or return;	1060	or return;
823	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1062	}
825		1063
826	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
828	return ($data, $av);	1066	return ($data, $av);
829	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
830		1074
831	#############################################################################	1075	#############################################################################
832	# command handling &c	1076	# command handling &c
833		1077
834	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1092	}
849		1093
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1095
852	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.
853		1101
854	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
855	called.	1103	called.
856		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
857	=cut	1116	=cut
858		1117
859	sub register_extcmd {	1118	sub register_extcmd {
860	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
861		1120
862	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
863	}	1128	}
864		1129
865	cf::player->attach (	1130	cf::player->attach (
866	on_command => sub {	1131	on_command => sub {
867	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1141	cf::override;
877	},	1142	},
878	on_extcmd => sub {	1143	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
880		1145
881	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1147
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
886	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
887	}	1158	if $reply;
888	}	1159	}
889	} else {	1160	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1162	}
892		1163
893	cf::override;	1164	cf::override;
894	},	1165	},
895	);	1166	);
896		1167
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
932	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1173	next unless -r $path;
934	eval {	1174
935	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
936	1	1232	}
937	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
938	}	1238	};
939	}	1239	}
940		1240
941	#############################################################################	1241	#############################################################################
942		1242
		1243	=back
		1244
943	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
944		1246
945	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
946		1248
947	=cut	1249	=cut
…		…
959	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
960		1262
961	=cut	1263	=cut
962		1264
963	sub playerdir($) {	1265	sub playerdir($) {
964	cf::localdir	1266	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1268	}
970		1269
971	sub path($) {	1270	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1272
974	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
975	}	1274	}
976		1275
977	sub find_active($) {	1276	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1291	my $login = $_[0];
993		1292
994	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
995		1294
996	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
997	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
998	or return;	1304	or return;
999	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1000	}	1306	}
1001	}	1307	}
…		…
1029	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1030		1336
1031	$self	1337	$self
1032	}	1338	}
1033		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1034	=item $pl->quit_character	1350	=item $pl->quit_character
1035		1351
1036	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1038		1354
1039	=cut	1355	=cut
1040		1356
1041	sub quit_character {	1357	sub quit_character {
1042	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1043		1361
1044	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1364
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1057	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1058	}	1396	}
1059		1397
1060	=item cf::player::list_logins	1398	=item cf::player::list_logins
1061		1399
1062	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1064		1402
1065	=cut	1403	=cut
1066		1404
1067	sub list_logins {	1405	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1407	or return [];
1070		1408
1071	my @logins;	1409	my @logins;
1072		1410
1073	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1108	}	1446	}
1109		1447
1110	\@paths	1448	\@paths
1111	}	1449	}
1112		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1114		1502
1115	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1116		1504
1117	=cut	1505	=cut
1118		1506
1119	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1121		1509
1122	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1123		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1124	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1125	}	1517	}
1126		1518
1127	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1128		1559
1129	=back	1560	=back
1130
1131		1561
1132	=head3 cf::map	1562	=head3 cf::map
1133		1563
1134	=over 4	1564	=over 4
1135		1565
…		…
1190	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1191		1621
1192	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1193	local $self->{path};	1623	local $self->{path};
1194	local $self->{load_path};	1624	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1625
1198	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1199	}	1627	}
1200		1628
1201	sub normalise {	1629	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1249	return $self;	1677	return $self;
1250	}	1678	}
1251	}	1679	}
1252		1680
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1682	()
1255	}	1683	}
1256		1684
1257	sub init {	1685	sub init {
1258	my ($self) = @_;	1686	my ($self) = @_;
…		…
1273		1701
1274	# the original (read-only) location	1702	# the original (read-only) location
1275	sub load_path {	1703	sub load_path {
1276	my ($self) = @_;	1704	my ($self) = @_;
1277		1705
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1279	}	1707	}
1280		1708
1281	# the temporary/swap location	1709	# the temporary/swap location
1282	sub save_path {	1710	sub save_path {
1283	my ($self) = @_;	1711	my ($self) = @_;
1284		1712
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1287	}	1715	}
1288		1716
1289	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1290	sub uniq_path {	1718	sub uniq_path {
1291	my ($self) = @_;	1719	my ($self) = @_;
1292		1720
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1295	}	1723	}
1296		1724
1297	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1298	# all maps in C++...	1726	# all maps in C++...
1299	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1301		1729
1302	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1304	}	1732	}
1305		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1306	sub unlink_save {	1742	sub unlink_save {
1307	my ($self) = @_;	1743	my ($self) = @_;
1308		1744
1309	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1748	}
1318		1749
1319	sub load_header_from($) {	1750	sub load_header_from($) {
1320	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1321		1752
…		…
1371	$self->load_header_orig	1802	$self->load_header_orig
1372	or return;	1803	or return;
1373	$self->prepare_orig;	1804	$self->prepare_orig;
1374	}	1805	}
1375		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1376	1	1813	1
1377	}	1814	}
1378		1815
1379	sub find;	1816	sub find;
1380	sub find {	1817	sub find {
…		…
1392	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1393		1830
1394	$map->load_header	1831	$map->load_header
1395	or return;	1832	or return;
1396		1833
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1400	$map->reset;	1837	$map->reset;
1401	undef $guard;	1838	undef $guard;
1402	return find $path;	1839	return find $path;
…		…
1413	my ($self) = @_;	1850	my ($self) = @_;
1414		1851
1415	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1416		1853
1417	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1419		1858
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1421		1860
1422	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1423		1862
1424	$self->alloc;	1863	$self->alloc;
1425		1864
1426	$self->pre_load;	1865	$self->pre_load;
1427
1428	$self->_load_objects ($self->{load_path}, 1)
1429	or return;
1430
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};
1433
1434	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {
1437	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);
1439	}
1440	}
1441
1442	Coro::cede;
1443
1444	# now do the right thing for maps
1445	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;	1866	Coro::cede;
1452	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1453	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1886	unless $self->difficulty;
1455	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1456	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1903	}
1458		1904
1459	$self->post_load;	1905	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1906	}
1463		1907
1464	sub customise_for {	1908	sub customise_for {
1465	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1466		1910
1467	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1912	if $self->per_player;
1469		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1470	$self	1917	$self
1471	}	1918	}
1472		1919
1473	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1921	sub load_neighbours {
1475	my ($map) = @_;	1922	my ($map) = @_;
1476		1923
1477	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1478		1925
1479	for (0 .. 3) {	1926	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1481	or next;	1928	or next;
1482	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1483	or next;	1930	or next;
1484	$neigh->load;	1931	$neigh->load;
1485		1932
		1933	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1936	}
1489		1937
1490	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1492	or next;	1941	or next;
1493	$neigh->load;	1942	$neigh->load;
1494	}	1943	}
1495	}	1944	}
1496		1945
…		…
1520		1969
1521	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1522	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1525	my $map = find $path	1974	if (my $map = find $path) {
1526	or next;
1527	$map->load;	1975	$map->load;
		1976	}
1528		1977
1529	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1530	}	1979	}
1531	}	1980	}
1532	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1584		2033
1585	sub reset_at {	2034	sub reset_at {
1586	my ($self) = @_;	2035	my ($self) = @_;
1587		2036
1588	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1591		2039
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2042
…		…
1605	my ($self) = @_;	2053	my ($self) = @_;
1606		2054
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2056
1609	return if $self->players;	2057	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2058
1612	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1613		2070
1614	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1615		2072
1616	$self->in_memory (cf::MAP_SWAPPED);
1617	$self->clear;	2073	$self->clear;
1618		2074
1619	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1620		2076
1621	$self->unlink_save;	2077	$self->unlink_save;
…		…
1640	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1641		2097
1642	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1643	}	2099	}
1644		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1645	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1646		2138
1647	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2140	instantiated unique items. May block.
1649		2141
1650	=cut	2142	=cut
1651		2143
1652	sub unique_maps() {	2144	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1654	or return;	2146	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2147	utf8::decode $_;
1660	next if /\.pst$/;	2148	/\.map$/
1661	next unless /^$PATH_SEP/o;	2149	? normalise $_
1662		2150	: ()
1663	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2152	]
1665
1666	\@paths
1667	}	2153	}
1668		2154
1669	package cf;	2155	package cf;
1670		2156
1671	=back	2157	=back
…		…
1717		2203
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2205
1720	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1722	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1725	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1726	}	2231	}
1727		2232
1728	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1729		2234
1730	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1777	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1778		2283
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2285
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1783		2288
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2290	}
1786		2291
1787	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1789		2296
1790	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1791		2298
1792	unless ($map) {	2299	unless ($map) {
1793	# restore original map position	2300	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1810		2317
1811	$map->load;	2318	$map->load;
1812	$map->load_diag;	2319	$map->load_neighbours;
1813		2320
1814	return unless $self->contr->active;	2321	return unless $self->contr->active;
1815	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1817	}	2326	}
1818		2327
1819	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2329
1823	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1827	};	2334	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2335
1833	# try to abort aborted map switching on player login :)
1834	# should happen only on crashes
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1854		2339
1855	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2345
1858	$self->enter_link;	2346	$self->enter_link;
1859		2347
1860	(async {	2348	(async {
1861	my $map = eval {	2349	my $map = eval {
1862	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1864	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2365	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1869	})->prio (1);	2373	})->prio (1);
1870	}	2374	}
1871		2375
1872	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1873		2377
…		…
1912		2416
1913	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1914		2418
1915	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1916	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1918		2422
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2425	undef $fh;
1922	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1931		2435
1932	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1933		2437
1934	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1936	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1937	}	2443	}
1938		2444
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1942		2448
1943	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1944		2454
1945	(async {	2455	(async {
1946	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1947	unless (eval {	2457	unless (eval {
1948	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1949		2459
1950	1;	2460	1;
1951	}) {	2461	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1953	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2466
1957	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2468	$self->leave_link;
1959	}	2469	}
1960	})->prio (1);	2470	})->prio (1);
…		…
1973		2483
1974	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1976		2486
1977	utf8::encode $text;	2487	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2489	}
1980		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1981		2571
1982	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1983		2573
1984	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2577
1988	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2579	become reliable at some point in the future.
1990		2580
1991	=cut	2581	=cut
1992		2582
1993	sub cf::client::query {	2583	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2592	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2594
2005	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2007	}	2599	}
2008		2600
2009	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2010	on_reply => sub {	2607	on_reply => sub {
2011	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2012		2609
2013	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2014	# get handled first	2611	# get handled first
…		…
2026	} else {	2623	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2625	}
2029	}	2626	}
2030	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2031	);	2651	);
2032		2652
2033	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2034		2654
2035	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2078		2698
2079	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2080		2700
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2082		2706
2083	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2084		2708
2085	=pod	2709	=pod
2086		2710
2087	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2088		2712
2089	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2090	cf::object::player player	2717	cf::object::player
2091	cf::player peaceful	2718	player
2092	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2093		2725
2094	=cut	2726	=cut
2095		2727
2096	for (	2728	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2098	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2101	) {	2734	) {
2102	no strict 'refs';	2735	no strict 'refs';
…		…
2173	=back	2806	=back
2174		2807
2175	=cut	2808	=cut
2176		2809
2177	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2178		2812
2179	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2180		2815
2181	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
2182	currently store anything that can be serialised using Storable, which
2183	excludes objects.
2184		2817
2185	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
2186	using it, it should be unique.
2187		2819
2188	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
2189		2823
2190	=item $value = cf::db_get $family => $key	2824	$facedata = Coro::Storable::thaw $facedata;
2191		2825
2192	Returns a single value from the database.	2826	$facedata->{version} == 2
		2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2193		2828
2194	=item cf::db_put $family => $key => $value	2829	# patch in the exptable
2195		2830	$facedata->{resource}{"res/exp_table"} = {
2196	Stores the given C<$value> in the family.	2831	type => FT_RSRC,
2197		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2198	=cut
2199
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	2833	};
		2834	cf::cede_to_tick;
2215		2835
2216	my $path = cf::localdir . "/database.pst";	2836	{
2217	if (stat $path) {	2837	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		2838
2221	cf::db_put (board => data => $pst->{board});	2839	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});	2841	cf::face::set_visibility $idx, $info->{visibility};
2224	BDB::db_env_txn_checkpoint $DB_ENV;	2842	cf::face::set_magicmap $idx, $info->{magicmap};
		2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2225		2845
2226	unlink $path;	2846	cf::cede_to_tick;
2227	};	2847	}
		2848
		2849	while (my ($face, $info) = each %$faces) {
		2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
2228	}	2864	{
2229	}	2865	my $anims = $facedata->{animinfo};
2230		2866
2231	sub db_get($$) {	2867	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
2233		2871
2234	cf::sync_job {	2872	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	2873	}
2236		2874
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	2875	{
2240	}	2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
2241		2879
2242	sub db_put($$$) {	2880	my $soundconf = delete $res->{"res/sound.conf"};
2243	BDB::dbreq_pri 4;
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2245	}
2246		2881
2247	#############################################################################	2882	while (my ($name, $info) = each %$res) {
2248	# the server's init and main functions	2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
2249		2885
2250	sub load_resources {	2886	if ($info->{type} & 1) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
2253	}	2977	}
2254		2978
2255	sub cfg_load {	2979	sub cfg_load {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	2981	or return;
2258		2982
2259	local $/;	2983	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2261		2985
…		…
2269	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2993	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270	and die "WARNING: m(un)lockall failed: $!\n";	2994	and die "WARNING: m(un)lockall failed: $!\n";
2271	};	2995	};
2272	warn $@ if $@;	2996	warn $@ if $@;
2273	}	2997	}
2274	}
2275
2276	sub init {
2277	load_resources;
2278	}	2998	}
2279		2999
2280	sub main {	3000	sub main {
2281	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
…		…
2285	Event::one_event;	3005	Event::one_event;
2286	})->prio (Coro::PRIO_MAX);	3006	})->prio (Coro::PRIO_MAX);
2287	};	3007	};
2288		3008
2289	cfg_load;	3009	cfg_load;
		3010	db_init;
2290	load_extensions;	3011	load_extensions;
2291		3012
2292	$TICK_WATCHER->start;	3013	$TICK_WATCHER->start;
2293	Event::loop;	3014	Event::loop;
2294	}	3015	}
…		…
2309	},	3030	},
2310	);	3031	);
2311	}	3032	}
2312	}	3033	}
2313		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
2314	sub emergency_save() {	3073	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2316		3075
2317	warn "enter emergency perl save\n";	3076	warn "enter emergency perl save\n";
2318		3077
…		…
2342	};	3101	};
2343		3102
2344	warn "leave emergency perl save\n";	3103	warn "leave emergency perl save\n";
2345	}	3104	}
2346		3105
		3106	sub post_cleanup {
		3107	my ($make_core) = @_;
		3108
		3109	warn Carp::longmess "post_cleanup backtrace"
		3110	if $make_core;
		3111	}
		3112
2347	sub reload() {	3113	sub do_reload_perl() {
2348	# can/must only be called in main	3114	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3116	warn "can only reload from main coroutine";
2351	return;	3117	return;
2352	}	3118	}
2353		3119
2354	warn "reloading...";	3120	warn "reloading...";
2355		3121
2356	warn "cancelling server ticker";	3122	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2359	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2360		3128
2361	eval {	3129	warn "syncing database to disk";
		3130	BDB::db_env_txn_checkpoint $DB_ENV;
		3131
2362	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2363		3133
2364	warn "cancelling all WF_AUTOCANCEL watchers";	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}	3137	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371		3138
2372	warn "flushing outstanding aio requests";	3139	warn "flushing outstanding aio requests";
2373	for (;;) {	3140	for (;;) {
2374	BDB::flush;	3141	BDB::flush;
2375	IO::AIO::flush;	3142	IO::AIO::flush;
2376	Coro::cede;	3143	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3144	last unless IO::AIO::nreqs || BDB::nreqs;
2378	warn "iterate...";	3145	warn "iterate...";
2379	}	3146	}
2380		3147
		3148	++$RELOAD;
		3149
2381	warn "cancelling all extension coros";	3150	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();	3152	%EXT_CORO = ();
2384		3153
2385	warn "removing commands";	3154	warn "removing commands";
2386	%COMMAND = ();	3155	%COMMAND = ();
2387		3156
2388	warn "removing ext commands";	3157	warn "removing ext/exti commands";
2389	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2390		3160
2391	warn "unloading/nuking all extensions";	3161	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2394		3164
…		…
2424	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3196
2427	warn "unloading cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2429		3200
2430	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3202	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2433		3204
…		…
2442		3213
2443	warn "loading extensions";	3214	warn "loading extensions";
2444	cf::load_extensions;	3215	cf::load_extensions;
2445		3216
2446	warn "reattaching attachments to objects/players";	3217	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3218	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3219	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
		3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2450		3223
2451	warn "loading reloadable resources";	3224	warn "leaving sync_job";
2452	load_resources;
2453		3225
2454	warn "restarting server ticker";	3226	1
2455		3227	} or do {
2456	$TICK_WATCHER->start;
2457	};
2458
2459	if ($@) {
2460	warn $@;	3228	warn $@;
2461	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2462	exit 1;	3230	exit 1;
2463	}	3231	};
2464		3232
2465	warn "reloaded";	3233	warn "reloaded";
2466	};	3234	};
2467		3235
2468	our $RELOAD_WATCHER; # used only during reload	3236	our $RELOAD_WATCHER; # used only during reload
2469		3237
		3238	sub reload_perl() {
		3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
		3241
		3242	$RELOAD_WATCHER ||= Event->timer (
		3243	reentrant => 0,
		3244	after => 0,
		3245	data => WF_AUTOCANCEL,
		3246	cb => sub {
		3247	do_reload_perl;
		3248	undef $RELOAD_WATCHER;
		3249	},
		3250	);
		3251	}
		3252
2470	register_command "reload" => sub {	3253	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2472		3255
2473	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3257	$who->message ("reloading server.");
2475		3258	async { reload_perl };
2476	# doing reload synchronously and two reloads happen back-to-back,
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);
2488	}	3259	}
2489	};	3260	};
2490		3261
2491	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2492		3263
2493	my $bug_warning = 0;	3264	my $bug_warning = 0;
2494		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2495	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2496	reentrant => 0,	3290	reentrant => 0,
2497	parked => 1,	3291	parked => 1,
2498	prio => 0,	3292	prio => 0,
2499	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
…		…
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3298	unless ++$bug_warning > 10;
2505	return;	3299	return;
2506	}	3300	}
2507		3301
2508	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2509		3303
2510	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2511	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2513		3331
2514	$WAIT_FOR_TICK->broadcast;	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
2516		3334	Coro::async_pool {
2517	Event::sweep;	3335	write_runtime
2518	Coro::cede_notself;	3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
2519		3338	}
		3339
2520	# my $AFTER = Event::time;	3340	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#	3341	# warn $AFTER - $NOW;#d#
2522		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2523	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2525		3354
2526	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2528	},	3364	},
2529	);	3365	);
2530		3366
2531	{	3367	{
2532	BDB::max_poll_time $TICK * 0.1;	3368	BDB::max_poll_time $TICK * 0.1;
…		…
2560		3396
2561	cf::sync_job {	3397	cf::sync_job {
2562	eval {	3398	eval {
2563	BDB::db_env_open	3399	BDB::db_env_open
2564	$DB_ENV,	3400	$DB_ENV,
2565	$BDB_ENV_DIR,	3401	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3404	0666;
2569		3405
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571		3407
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;	3409	$DB_ENV->set_lk_detect;
2574	};	3410	};
2575		3411
…		…
2583		3419
2584	undef $Coro::AIO::WATCHER;	3420	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3421	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3422	$AIO_POLL_WATCHER = Event->io (
2587	reentrant => 0,	3423	reentrant => 0,
		3424	data => WF_AUTOCANCEL,
2588	fd => IO::AIO::poll_fileno,	3425	fd => IO::AIO::poll_fileno,
2589	poll => 'r',	3426	poll => 'r',
2590	prio => 6,	3427	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,	3428	cb => \&IO::AIO::poll_cb,
2593	);	3429	);
2594	}	3430	}
2595		3431
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3432	my $_log_backtrace;
2597	reentrant => 0,	3433
2598	data => WF_AUTOCANCEL,	3434	sub _log_backtrace {
2599	after => 1,	3435	my ($msg, @addr) = @_;
2600	interval => 10,	3436
2601	prio => 6, # keep it lowest so it acts like a watchdog	3437	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3438
2603	write_runtime	3439	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3467	}
2606	);	3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2607		3472
2608	END { cf::emergency_save }	3473	END { cf::emergency_save }
2609		3474
2610	1	3475	1
2611		3476

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