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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.253 by root, Wed Apr 18 17:32:07 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
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 Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
…		…
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	72	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
71		75
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;	77	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	80	our $NEXT_TICK;
77	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		82
80	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
81	our $DB_ENV;	87	our $DB_ENV;
82		88
83	our %CFG;	89	our %CFG;
84		90
85	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
87		94
88	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
89	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
91		98
92	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
94		105
95	binmode STDOUT;	106	binmode STDOUT;
96	binmode STDERR;	107	binmode STDERR;
97		108
98	# read virtual server time, if available	109	# read virtual server time, if available
…		…
139		150
140	=item $cf::TICK	151	=item $cf::TICK
141		152
142	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
143		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
144	=item %cf::CFG	165	=item %cf::CFG
145		166
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	168	from wherever your confdir points to.
148		169
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		171
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
155	=back	182	=back
156		183
157	=cut	184	=cut
158		185
159	BEGIN {	186	BEGIN {
…		…
161	my $msg = join "", @_;	188	my $msg = join "", @_;
162		189
163	$msg .= "\n"	190	$msg .= "\n"
164	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
165		192
166	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		194
168	utf8::encode $msg;
169	LOG llevError, $msg;	195	LOG llevError, $msg;
170	};	196	};
171	}	197	}
172		198
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		206
180	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	208	# within the Safe compartment.
182	for my $pkg (qw(	209	for my $pkg (qw(
183	cf::global cf::attachable	210	cf::global cf::attachable
…		…
188	)) {	215	)) {
189	no strict 'refs';	216	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	218	}
192		219
193	$Event::DIED = sub {	220	$EV::DIED = sub {
194	warn "error in event callback: @_";	221	warn "error in event callback: @_";
195	};	222	};
		223
		224	#############################################################################
196		225
197	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
198		227
199	=over 4	228	=over 4
200		229
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	249	$d
221	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
222	}	251	}
223		252
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
227		254
228	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
229		256
230	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
231		258
232	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
241	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
248	=item $locked = cf::lock_active $string	285	=item $locked = cf::lock_active $string
249		286
250	Return true if the lock is currently active, i.e. somebody has locked it.	287	Return true if the lock is currently active, i.e. somebody has locked it.
251		288
252	=cut	289	=cut
253		290
254	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
255		293
256	sub lock_wait($) {	294	sub lock_wait($) {
257	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
258		301
259	# wait for lock, if any	302	# wait for lock, if any
260	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;	305	Coro::schedule;
…		…
268		311
269	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
270	lock_wait $key;	313	lock_wait $key;
271		314
272	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
273		317
274	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
275	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
277	}	322	}
278	}	323	}
279		324
…		…
291	};	336	};
292	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
293	$guard	338	$guard
294	}	339	}
295		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
296	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
297		415
298	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
299	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
300	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
303		421
304	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
305		423
306	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
307		425
308	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
311		430
312	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
315	fast or be very important.	434	fast or be very important.
…		…
318		437
319	sub sync_job(&) {	438	sub sync_job(&) {
320	my ($job) = @_;	439	my ($job) = @_;
321		440
322	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
323	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
325		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
326	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
327	# (but this is cancel-safe)	450	# (but this is cancel-safe)
328	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
329		452
330	my $busy = 1;	453	my $busy = 1;
331	my @res;	454	my @res;
332		455
333	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	458	@res = eval { $job->() };
335	warn $@ if $@;	459	warn $@ if $@;
336	undef $busy;	460	undef $busy;
337	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
338		462
339	while ($busy) {	463	while ($busy) {
340	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
341	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
342		477
343	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
344	} else {	479	} else {
345	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
346		481
…		…
366	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
367		502
368	$coro	503	$coro
369	}	504	}
370		505
371	sub write_runtime {	506	=item fork_call { }, $args
372	my $guard = cf::lock_acquire "write_runtime";
373		507
374	my $runtime = "$LOCALDIR/runtime";	508	Executes the given code block with the given arguments in a seperate
		509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
375		512
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
377	or return;
378		514
379	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
380	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
381	# 60 allows for the watchdog to kill the server.
382		517
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
384	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
385		521
386	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
387	aio_fsync $fh	523	reset_signals;
388	and return;	524	&$cb
		525	}, @args;
389		526
390	close $fh	527	wantarray ? @res : $res[-1]
391	or return;	528	}
392		529
393	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
394	and return;
395		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
396	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
397	}	655	}
398		656
399	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
400		658
401	Log a datalog packet of the given type with the given key-value pairs.	659	Log a datalog packet of the given type with the given key-value pairs.
…		…
419	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
420	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
421		679
422	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
423	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
424	crossfire+).	682	Deliantra).
425		683
426	=over 4	684	=over 4
427		685
428	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
429		687
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
593		851
594	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		856
599	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	858	my $pkg = shift @arg;
601		859
602	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
631	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
632	}	890	}
633		891
634	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
635	} else {	893	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
637	}	895	}
638		896
639	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
640	}	898	}
641		899
…		…
643	if (ref $_[0]) {	901	if (ref $_[0]) {
644	_object_attach @_;	902	_object_attach @_;
645	} else {	903	} else {
646	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
647	}	905	}
		906	_recalc_want;
648	};	907	};
649		908
650	# all those should be optimised	909	# all those should be optimised
651	sub cf::attachable::detach {	910	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
656	reattach ($obj);	915	reattach ($obj);
657	} else {	916	} else {
658	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
659	}	918	}
		919	_recalc_want;
660	};	920	};
661		921
662	sub cf::attachable::attached {	922	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
664		924
…		…
679	";	939	";
680	die if $@;	940	die if $@;
681	}	941	}
682		942
683	our $override;	943	our $override;
684	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685		945
686	sub override {	946	sub override {
687	$override = 1;	947	$override = 1;
688	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
689	}	949	}
690		950
691	sub do_invoke {	951	sub do_invoke {
692	my $event = shift;	952	my $event = shift;
693	my $callbacks = shift;	953	my $callbacks = shift;
694		954
695	@invoke_results = ();	955	@INVOKE_RESULTS = ();
696		956
697	local $override;	957	local $override;
698		958
699	for (@$callbacks) {	959	for (@$callbacks) {
700	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
709	}	969	}
710		970
711	0	971	0
712	}	972	}
713		973
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		975
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		977
718	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
719		979
720	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
722	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		983
724	=back	984	=back
725		985
726	=cut	986	=cut
727		987
728	#############################################################################	988	#############################################################################
729	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
730		1032
731	sub reattach {	1033	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1035	my ($obj) = @_;
734		1036
…		…
755	cf::attachable->attach (	1057	cf::attachable->attach (
756	prio => -1000000,	1058	prio => -1000000,
757	on_instantiate => sub {	1059	on_instantiate => sub {
758	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
759		1061
760	$data = from_json $data;	1062	$data = decode_json $data;
761		1063
762	for (@$data) {	1064	for (@$data) {
763	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
764		1066
765	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1083	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
783		1085
784	sync_job {	1086	sync_job {
785	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
788		1091
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
793	close $fh;	1096	close $fh;
794		1097
795	if (@$objs) {	1098	if (@$objs) {
796	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
800	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
801	close $fh;	1104	close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
803	}	1106	}
…		…
811	}	1114	}
812	} else {	1115	} else {
813	aio_unlink $filename;	1116	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
815	}	1118	}
816	}	1119	};
817	}	1120	}
818		1121
819	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
821		1124
…		…
833	or return;	1136	or return;
834		1137
835	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
837	or return;	1140	or return;
		1141
838	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
839	}	1144	}
840		1145
		1146	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
843	return ($data, $av);	1150	($data, $av)
844	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
845		1158
846	#############################################################################	1159	#############################################################################
847	# command handling &c	1160	# command handling &c
848		1161
849	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1176	}
864		1177
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
866		1179
867	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
868		1185
869	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
870	called.	1187	called.
871		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
872	=cut	1200	=cut
873		1201
874	sub register_extcmd {	1202	sub register_extcmd {
875	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
876		1204
877	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
878	}	1212	}
879		1213
880	cf::player->attach (	1214	cf::player->attach (
881	on_command => sub {	1215	on_command => sub {
882	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
891	cf::override;	1225	cf::override;
892	},	1226	},
893	on_extcmd => sub {	1227	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
895		1229
896	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1231
898	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
901	$pl->ext_reply ($msg->{msgid}, %reply);
902	}
903	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
904	} else {	1247	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1249	}
907		1250
908	cf::override;	1251	cf::override;
909	},	1252	},
910	);	1253	);
911		1254
912	sub load_extension {
913	my ($path) = @_;
914
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
916	my $base = $1;
917	my $pkg = $1;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}
940	die $@;
941	}
942
943	push @EXTS, $pkg;
944	}
945
946	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
947	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1260	next unless -r $path;
949	eval {	1261
950	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
951	1	1319	}
952	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
953	}	1325	};
954	}	1326	}
955		1327
956	#############################################################################	1328	#############################################################################
957		1329
		1330	=back
		1331
958	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
959		1333
960	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
961		1335
962	=cut	1336	=cut
…		…
966	use Coro::AIO;	1340	use Coro::AIO;
967		1341
968	=head3 cf::player	1342	=head3 cf::player
969		1343
970	=over 4	1344	=over 4
		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
971		1359
972	=item cf::player::find $login	1360	=item cf::player::find $login
973		1361
974	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
975		1363
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1403
1016	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1017	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
1018	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1019	}	1412	}
1020	}	1413	}
1021	}	1414	}
1022		1415
…		…
1032		1425
1033	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1035		1428
1036	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1037	Coro::cede;	1430	cf::cede_to_tick;
1038	}	1431	}
1039		1432
1040	sub new($) {	1433	sub new($) {
1041	my ($login) = @_;	1434	my ($login) = @_;
1042		1435
…		…
1046	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1047		1440
1048	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1049		1442
1050	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1051	}	1454	}
1052		1455
1053	=item $pl->quit_character	1456	=item $pl->quit_character
1054		1457
1055	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1110	or return [];	1513	or return [];
1111		1514
1112	my @logins;	1515	my @logins;
1113		1516
1114	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1118		1526
1119	utf8::decode $login;	1527	utf8::decode $login;
1120	push @logins, $login;	1528	push @logins, $login;
1121	}	1529	}
1122		1530
…		…
1149	}	1557	}
1150		1558
1151	\@paths	1559	\@paths
1152	}	1560	}
1153		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1154	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1155		1656
1156	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1157		1658
1158	=cut	1659	=cut
1159		1660
1160	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1161	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1162		1663
1163	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}	1665	}
1167		1666
1168	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1169		1668
1170	Sends an ext event to the client.	1669	Sends an ext event to the client.
1171		1670
1172	=cut	1671	=cut
1173		1672
1174	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1176		1675
1177	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1178	}	1677	}
1179		1678
1180	=head3 cf::region	1679	=head3 cf::region
1181		1680
1182	=over 4	1681	=over 4
…		…
1185		1684
1186	package cf::region;	1685	package cf::region;
1187		1686
1188	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1189		1688
1190	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1191		1690
1192	=cut	1691	=cut
1193		1692
1194	sub find_by_path($) {	1693	sub find_by_path($) {
1195	my ($path) = @_;	1694	my ($path) = @_;
1196		1695
1197	my ($match, $specificity);	1696	my ($match, $specificity);
1198		1697
1199	for my $region (list) {	1698	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1203	}	1702	}
1204	}	1703	}
1205		1704
…		…
1269	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1270		1769
1271	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1272	local $self->{path};	1771	local $self->{path};
1273	local $self->{load_path};	1772	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		1773
1277	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1278	}	1775	}
1279		1776
1280	sub normalise {	1777	sub normalise {
…		…
1327	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1328	return $self;	1825	return $self;
1329	}	1826	}
1330	}	1827	}
1331		1828
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1333	()	1830	()
1334	}	1831	}
1335		1832
1336	sub init {	1833	sub init {
1337	my ($self) = @_;	1834	my ($self) = @_;
…		…
1352		1849
1353	# the original (read-only) location	1850	# the original (read-only) location
1354	sub load_path {	1851	sub load_path {
1355	my ($self) = @_;	1852	my ($self) = @_;
1356		1853
1357	"$MAPDIR($self->{path}"	1854	"$MAPDIR/$self->{path}.map"
1358	}	1855	}
1359		1856
1360	# the temporary/swap location	1857	# the temporary/swap location
1361	sub save_path {	1858	sub save_path {
1362	my ($self) = @_;	1859	my ($self) = @_;
1363		1860
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1365	"$TMPDIR/$path"	1862	"$TMPDIR/$path.map"
1366	}	1863	}
1367		1864
1368	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1369	sub uniq_path {	1866	sub uniq_path {
1370	my ($self) = @_;	1867	my ($self) = @_;
…		…
1380		1877
1381	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1382	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1383	}	1880	}
1384		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1385	sub unlink_save {	1890	sub unlink_save {
1386	my ($self) = @_;	1891	my ($self) = @_;
1387		1892
1388	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1389	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1392		1897
1393	sub load_header_from($) {	1898	sub load_header_from($) {
1394	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1395		1900
1396	utf8::encode $path;	1901	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1402		1910
1403	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1404		1912
1405	1	1913	1
1406	}	1914	}
…		…
1445	$self->load_header_orig	1953	$self->load_header_orig
1446	or return;	1954	or return;
1447	$self->prepare_orig;	1955	$self->prepare_orig;
1448	}	1956	}
1449		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1450	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	1962	unless $self->default_region;
1452		1963
1453	1	1964	1
1454	}	1965	}
…		…
1457	sub find {	1968	sub find {
1458	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1459		1970
1460	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1461		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1463		1975
1464	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1466	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1467	or return;	1981	or return;
1468		1982
1469	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1470		1984
1471	$map->load_header	1985	$map->load_header
1472	or return;	1986	or return;
1473		1987
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1477	$map->reset;	1993	$map->reset;
1478	undef $guard;
1479	return find $path;	1994	return find $path;
1480	}	1995	}
1481		1996
1482	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1483	}	1998	}
…		…
1490	my ($self) = @_;	2005	my ($self) = @_;
1491		2006
1492	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1493		2008
1494	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1495	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1496		2013
		2014	return unless $self->valid;
1497	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1498		2016
1499	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1500		2018
1501	$self->alloc;	2019	$self->alloc;
1502		2020
1503	$self->pre_load;	2021	$self->pre_load;
1504	Coro::cede;	2022	cf::cede_to_tick;
1505		2023
1506	$self->_load_objects ($self->{load_path}, 1)	2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1507	or return;	2027	or return;
1508		2028
1509	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1510	if delete $self->{load_original};	2030	if delete $self->{load_original};
1511		2031
1512	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1513	utf8::encode $uniq;	2033	utf8::encode $uniq;
1514	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1515	$self->clear_unique_items;	2036	$self->clear_unique_items;
1516	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1517	}	2040	}
1518	}	2041	}
1519		2042
1520	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1521	# now do the right thing for maps	2046	# now do the right thing for maps
1522	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1523	Coro::cede;
1524
1525	unless ($self->{deny_activate}) {
1526	$self->decay_objects;
1527	$self->fix_auto_apply;
1528	$self->update_buttons;
1529	Coro::cede;
1530	$self->set_darkness_map;
1531	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1532	unless $self->difficulty;	2049	unless $self->difficulty;
1533	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1534	$self->activate;	2059	$self->activate;
1535	Coro::cede;	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1536	}	2066	}
1537		2067
1538	$self->post_load;	2068	$self->post_load;
1539	Coro::cede;
1540
1541	$self->in_memory (cf::MAP_IN_MEMORY);
1542	}	2069	}
1543		2070
1544	sub customise_for {	2071	sub customise_for {
1545	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1546		2073
1547	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1548	if $self->per_player;	2075	if $self->per_player;
1549		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1550	$self	2080	$self
1551	}	2081	}
1552		2082
1553	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1554	sub load_diag {	2084	sub load_neighbours {
1555	my ($map) = @_;	2085	my ($map) = @_;
1556		2086
1557	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1558		2088
1559	for (0 .. 3) {	2089	for (0 .. 3) {
1560	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1561	or next;	2091	or next;
1562	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1563	or next;	2093	or next;
1564	$neigh->load;	2094	$neigh->load;
1565		2095
		2096	push @neigh,
1566	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1567	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1568	}	2099	}
1569		2100
1570	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1571	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1572	or next;	2104	or next;
1573	$neigh->load;	2105	$neigh->load;
1574	}	2106	}
1575	}	2107	}
1576		2108
…		…
1581	}	2113	}
1582		2114
1583	sub do_load_sync {	2115	sub do_load_sync {
1584	my ($map) = @_;	2116	my ($map) = @_;
1585		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1586	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1587	}	2122	}
1588		2123
1589	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1590	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1591		2126
1592	sub find_async {	2127	sub find_async {
1593	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1594		2129
1595	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1596		2131
1597	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1598	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1599	}	2134	}
1600		2135
1601	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1602	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1603	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1604	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1605	my $map = find $path	2143	if (my $map = find $k) {
1606	or next;
1607	$map->load;	2144	$map->load if $v;
		2145	}
1608		2146
1609	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1610	}	2148	}
1611	}	2149	}
1612	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1613	};	2151	};
1614	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1617	}	2155	}
1618		2156
1619	sub save {	2157	sub save {
1620	my ($self) = @_;	2158	my ($self) = @_;
1621		2159
1622	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1623		2161
1624	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1625		2163
1626	return unless $self->dirty;	2164	return unless $self->dirty;
1627		2165
…		…
1633	return if $self->{deny_save};	2171	return if $self->{deny_save};
1634		2172
1635	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1636		2174
1637	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1638	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1639	};	2178	};
1640		2179
1641	if ($uniq) {	2180	if ($uniq) {
1642	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1650	my ($self) = @_;	2189	my ($self) = @_;
1651		2190
1652	# save first because save cedes	2191	# save first because save cedes
1653	$self->save;	2192	$self->save;
1654		2193
1655	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1656		2195
1657	return if $self->players;	2196	return if $self->players;
1658	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1659	return if $self->{deny_save};	2198	return if $self->{deny_save};
1660		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1661	$self->clear;	2204	$self->clear;
1662	$self->in_memory (cf::MAP_SWAPPED);
1663	}	2205	}
1664		2206
1665	sub reset_at {	2207	sub reset_at {
1666	my ($self) = @_;	2208	my ($self) = @_;
1667		2209
1668	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1669	return 1e99 if $self->isa ("ext::map_per_player");#d#
1670	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1671		2212
1672	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674		2215
…		…
1685	my ($self) = @_;	2226	my ($self) = @_;
1686		2227
1687	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1688		2229
1689	return if $self->players;	2230	return if $self->players;
1690	return if $self->isa ("ext::map_per_player");#d#
1691		2231
1692	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1693		2233
1694	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1695		2235
1696	# need to save uniques path	2236	# need to save uniques path
1697	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1701	if $uniq;	2241	if $uniq;
1702	}	2242	}
1703		2243
1704	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1705		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1706	$self->clear;	2248	$self->clear;
1707
1708	$_->clear_links_to ($self) for values %cf::MAP;
1709		2249
1710	$self->unlink_save;	2250	$self->unlink_save;
1711	$self->destroy;	2251	$self->destroy;
1712	}	2252	}
1713		2253
1714	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1715		2255
1716	sub nuke {	2256	sub nuke {
1717	my ($self) = @_;	2257	my ($self) = @_;
1718		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1719	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1720		2263
1721	$self->unlink_save;	2264	$self->unlink_save;
1722		2265
1723	bless $self, "cf::map";	2266	bless $self, "cf::map";
1724	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1725	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1726	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1727	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728		2271
1729	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1730		2274
1731	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1732	}	2312	}
1733		2313
1734	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1735		2315
1736	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1737	instantiated unique items. May block.	2317	instantiated unique items. May block.
1738		2318
1739	=cut	2319	=cut
1740		2320
1741	sub unique_maps() {	2321	sub unique_maps() {
1742	my $files = aio_readdir $UNIQUEDIR	2322	[
1743	or return;	2323	map {
1744
1745	my @paths;
1746
1747	for (@$files) {
1748	utf8::decode $_;	2324	utf8::decode $_;
1749	next if /\.pst$/;	2325	/\.map$/
1750	next unless /^$PATH_SEP/o;	2326	? normalise $_
1751		2327	: ()
1752	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1753	}	2329	]
1754
1755	\@paths
1756	}	2330	}
1757		2331
1758	package cf;	2332	package cf;
1759		2333
1760	=back	2334	=back
…		…
1778	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1779	}	2353	}
1780		2354
1781	sub inv_recursive {	2355	sub inv_recursive {
1782	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1783	}	2385	}
1784		2386
1785	package cf;	2387	package cf;
1786		2388
1787	=back	2389	=back
…		…
1806		2408
1807	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808		2410
1809	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1810	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1811	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1812	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1813	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1814	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1815	}	2436	}
1816		2437
1817	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1818		2439
1819	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1866	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1867		2488
1868	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1869		2490
1870	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1872		2493
1873	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1874	}	2495	}
1875		2496
1876	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1877	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1878		2501
1879	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1880		2503
1881	unless ($map) {	2504	unless ($map) {
1882	# restore original map position	2505	# restore original map position
…		…
1896	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1897	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1898	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1899		2522
1900	$map->load;	2523	$map->load;
1901	$map->load_diag;	2524	$map->load_neighbours;
1902		2525
1903	return unless $self->contr->active;	2526	return unless $self->contr->active;
1904	$self->activate_recursive;	2527	$self->activate_recursive;
1905		2528
1906	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1908	}	2531	}
1909		2532
1910	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1911	on_logout => sub {
1912	my ($pl) = @_;
1913		2534
1914	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1915	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1916	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1917	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1918	};	2539	be called at the end of this process.
1919	}
1920	},
1921	on_login => sub {
1922	my ($pl) = @_;
1923		2540
1924	# try to abort aborted map switching on player login :)
1925	# should happen only on crashes
1926	if ($pl->ob->{_link_pos}) {
1927	$pl->ob->enter_link;
1928	(async {
1929	$pl->ob->reply (undef,
1930	"There was an internal problem at your last logout, "
1931	. "the server will try to bring you to your intended destination in a second.",
1932	cf::NDI_RED);
1933	# we need this sleep as the login has a concurrent enter_exit running
1934	# and this sleep increases chances of the player not ending up in scorn
1935	Coro::Timer::sleep 1;
1936	$pl->ob->leave_link;
1937	})->prio (2);
1938	}
1939	},
1940	);
1941
1942	=item $player_object->goto ($path, $x, $y)
1943
1944	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1945		2544
1946	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1947	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948		2550
1949	$self->enter_link;	2551	$self->enter_link;
1950		2552
1951	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1952	my $map = eval {	2575	my $map = eval {
1953	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1954	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1955	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1956	} or	2591	}
1957	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1959	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1960	})->prio (1);	2599	})->prio (1);
1961	}	2600	}
1962		2601
1963	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1964		2603
…		…
2001	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
2002	}	2641	}
2003		2642
2004	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
2005		2644
2006	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
2007	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
2008	my $meta = "$RANDOMDIR/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
2009		2648
2010	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
…		…
2033	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2034	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2035		2674
2036	$self->enter_link;	2675	$self->enter_link;
2037		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
2038	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2039	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2040	unless (eval {	2685	unless (eval {
2041	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2042		2687
2043	1;	2688	1;
…		…
2069		2714
2070	utf8::encode $text;	2715	utf8::encode $text;
2071	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072	}	2717	}
2073		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
2074	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2075		2844
2076	Sends an exti event to the client.	2845	Sends an ext event to the client.
2077		2846
2078	=cut	2847	=cut
2079		2848
2080	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2081	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2082		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2083	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2084	$self->send_packet ("ext " . cf::to_json \%msg);	2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
2085	}	2876	}
2086		2877
2087	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2088		2879
2089	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2090	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092		2883
2093	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2094	reliable at some point in the future.	2885	become reliable at some point in the future.
2095		2886
2096	=cut	2887	=cut
2097		2888
2098	sub cf::client::query {	2889	sub cf::client::query {
2099	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2107	utf8::encode $text;	2898	utf8::encode $text;
2108	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109		2900
2110	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2111	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2112	}	2905	}
2113		2906
2114	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2115	on_reply => sub {	2913	on_reply => sub {
2116	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2117		2915
2118	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2119	# get handled first	2917	# get handled first
…		…
2131	} else {	2929	} else {
2132	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133	}	2931	}
2134	}	2932	}
2135	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2136	);	2960	);
2137		2961
2138	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2139		2963
2140	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2181	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2182	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2183		3007
2184	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2185		3009
2186	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2187		3015
2188	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2189		3017
2190	=pod	3018	=pod
2191		3019
2192	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2193		3021
2194	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2195	cf::object::player player	3026	cf::object::player
2196	cf::player peaceful	3027	player
2197	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2198		3034
2199	=cut	3035	=cut
2200		3036
2201	for (	3037	for (
2202	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2203	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2204	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2205	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2206	) {	3044	) {
2207	no strict 'refs';	3045	no strict 'refs';
…		…
2278	=back	3116	=back
2279		3117
2280	=cut	3118	=cut
2281		3119
2282	#############################################################################	3120	#############################################################################
2283
2284	=head2 EXTENSION DATABASE SUPPORT
2285
2286	Crossfire maintains a very simple database for extension use. It can
2287	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288	convert to/from binary).
2289
2290	The parameter C<$family> should best start with the name of the extension
2291	using it, it should be unique.
2292
2293	=over 4
2294
2295	=item $value = cf::db_get $family => $key
2296
2297	Returns a single value from the database.
2298
2299	=item cf::db_put $family => $key => $value
2300
2301	Stores the given C<$value> in the family.
2302
2303	=cut
2304
2305	our $DB;
2306
2307	sub db_init {
2308	unless ($DB) {
2309	$DB = BDB::db_create $DB_ENV;
2310
2311	cf::sync_job {
2312	eval {
2313	$DB->set_flags (BDB::CHKSUM);
2314
2315	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317	cf::cleanup "db_open(db): $!" if $!;
2318	};
2319	cf::cleanup "db_open(db): $@" if $@;
2320	};
2321	}
2322	}
2323
2324	sub db_get($$) {
2325	my $key = "$_[0]/$_[1]";
2326
2327	cf::sync_job {
2328	BDB::db_get $DB, undef, $key, my $data;
2329
2330	$! ? ()
2331	: $data
2332	}
2333	}
2334
2335	sub db_put($$$) {
2336	BDB::dbreq_pri 4;
2337	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338	}
2339
2340	=item cf::cache $id => [$paths...], $processversion => $process
2341
2342	Generic caching function that returns the value of the resource $id,
2343	caching and regenerating as required.
2344
2345	This function can block.
2346
2347	=cut
2348
2349	sub cache {
2350	my ($id, $src, $processversion, $process) = @_;
2351
2352	my $meta =
2353	join "\x00",
2354	$processversion,
2355	map {
2356	aio_stat $_
2357	and Carp::croak "$_: $!";
2358
2359	($_, (stat _)[7,9])
2360	} @$src;
2361
2362	my $dbmeta = db_get cache => "$id/meta";
2363	if ($dbmeta ne $meta) {
2364	# changed, we may need to process
2365
2366	my @data;
2367	my $md5;
2368
2369	for (0 .. $#$src) {
2370	0 <= aio_load $src->[$_], $data[$_]
2371	or Carp::croak "$src->[$_]: $!";
2372	}
2373
2374	# if processing is expensive, check
2375	# checksum first
2376	if (1) {
2377	$md5 =
2378	join "\x00",
2379	$processversion,
2380	map {
2381	Coro::cede;
2382	($src->[$_], Digest::MD5::md5_hex $data[$_])
2383	} 0.. $#$src;
2384
2385
2386	my $dbmd5 = db_get cache => "$id/md5";
2387	if ($dbmd5 eq $md5) {
2388	db_put cache => "$id/meta", $meta;
2389
2390	return db_get cache => "$id/data";
2391	}
2392	}
2393
2394	my $t1 = Time::HiRes::time;
2395	my $data = $process->(\@data);
2396	my $t2 = Time::HiRes::time;
2397
2398	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400	db_put cache => "$id/data", $data;
2401	db_put cache => "$id/md5" , $md5;
2402	db_put cache => "$id/meta", $meta;
2403
2404	return $data;
2405	}
2406
2407	db_get cache => "$id/data"
2408	}
2409
2410	=item fork_call { }, $args
2411
2412	Executes the given code block with the given arguments in a seperate
2413	process, returning the results. Everything must be serialisable with
2414	Coro::Storable. May, of course, block. Note that the executed sub may
2415	never block itself or use any form of Event handling.
2416
2417	=cut
2418
2419	sub fork_call(&@) {
2420	my ($cb, @args) = @_;
2421
2422	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423	# or die "socketpair: $!";
2424	pipe my $fh1, my $fh2
2425	or die "pipe: $!";
2426
2427	if (my $pid = fork) {
2428	close $fh2;
2429
2430	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431	$res = Coro::Storable::thaw $res;
2432
2433	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435	die $$res unless "ARRAY" eq ref $res;
2436
2437	return wantarray ? @$res : $res->[-1];
2438	} else {
2439	local $SIG{__WARN__};
2440	eval {
2441	local $SIG{__DIE__};
2442	close $fh1;
2443
2444	my @res = eval { $cb->(@args) };
2445	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446	};
2447
2448	warn $@ if $@;
2449	_exit 0;
2450	}
2451	}
2452
2453
2454
2455	#############################################################################
2456	# the server's init and main functions	3121	# the server's init and main functions
2457		3122
2458	sub load_facedata($) {	3123	sub load_facedata($) {
2459	my ($path) = @_;	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2460		3131
2461	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2462		3133
2463	my $facedata;	3134	my $facedata;
2464	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2467	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2468		3139
2469	$facedata->{version} == 2	3140	$facedata->{version} == 2
2470	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2471		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
2472	{	3150	{
2473	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2474		3152
2475	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2476	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2477	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2478	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2479	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2480	Coro::cede;	3160
		3161	cf::cede_to_tick;
2481	}	3162	}
2482		3163
2483	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2484	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2485	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2486	or next;	3168	or next;
		3169
2487	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2488	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489	} else {	3173	} else {
2490	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2491	}	3175	}
2492	Coro::cede;	3176
		3177	cf::cede_to_tick;
2493	}	3178	}
2494	}	3179	}
2495		3180
2496	{	3181	{
2497	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2498		3183
2499	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2500	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2501	Coro::cede;	3186	cf::cede_to_tick;
2502	}	3187	}
2503		3188
2504	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2505	}	3190	}
2506		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2507	1	3227	1
2508	}	3228	}
2509		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
2510	sub reload_regions {	3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
2511	load_resource_file "$MAPDIR/regions"	3263	load_resource_file "$MAPDIR/regions"
2512	or die "unable to load regions file\n";	3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
2513	}	3270	}
2514		3271
2515	sub reload_facedata {	3272	sub reload_facedata {
2516	load_facedata "$DATADIR/facedata"	3273	load_facedata "$DATADIR/facedata"
2517	or die "unable to load facedata\n";	3274	or die "unable to load facedata\n";
2518	}	3275	}
2519		3276
2520	sub reload_archetypes {	3277	sub reload_archetypes {
2521	load_resource_file "$DATADIR/archetypes"	3278	load_resource_file "$DATADIR/archetypes"
2522	or die "unable to load archetypes\n";	3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
2523	}	3285	}
2524		3286
2525	sub reload_treasures {	3287	sub reload_treasures {
2526	load_resource_file "$DATADIR/treasures"	3288	load_resource_file "$DATADIR/treasures"
2527	or die "unable to load treasurelists\n";	3289	or die "unable to load treasurelists\n";
…		…
2530	sub reload_resources {	3292	sub reload_resources {
2531	warn "reloading resource files...\n";	3293	warn "reloading resource files...\n";
2532		3294
2533	reload_regions;	3295	reload_regions;
2534	reload_facedata;	3296	reload_facedata;
		3297	#reload_archetypes;#d#
2535	reload_archetypes;	3298	reload_archetypes;
2536	reload_treasures;	3299	reload_treasures;
2537		3300
2538	warn "finished reloading resource files\n";	3301	warn "finished reloading resource files\n";
2539	}	3302	}
2540		3303
2541	sub init {	3304	sub init {
2542	reload_resources;	3305	reload_resources;
2543	}	3306	}
2544		3307
2545	sub cfg_load {	3308	sub reload_config {
2546	open my $fh, "<:utf8", "$CONFDIR/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2547	or return;	3310	or return;
2548		3311
2549	local $/;	3312	local $/;
2550	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
…		…
2566	sub main {	3329	sub main {
2567	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2568	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2569	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570	(async {	3333	(async {
2571	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2572	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2573	};	3337	};
2574		3338
2575	cfg_load;	3339	reload_config;
2576	db_init;	3340	db_init;
2577	load_extensions;	3341	load_extensions;
2578		3342
2579	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2580	Event::loop;	3345	EV::loop;
2581	}	3346	}
2582		3347
2583	#############################################################################	3348	#############################################################################
2584	# initialisation and cleanup	3349	# initialisation and cleanup
2585		3350
2586	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2587	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2588	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2589	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2590	reentrant => 0,
2591	data => WF_AUTOCANCEL,
2592	signal => $signal,
2593	prio => 0,
2594	cb => sub {
2595	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2596	},
2597	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2598	}	3396	1
2599	}	3397	}
2600		3398
2601	sub emergency_save() {	3399	sub emergency_save() {
2602	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2603		3401
…		…
2609	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2610	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2611	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2612	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2613	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614	$pl->save;	3413	$pl->save;
2615	}	3414	}
2616	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2617		3416
2618	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2657	warn "syncing database to disk";	3456	warn "syncing database to disk";
2658	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2659		3458
2660	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2661		3460
2662	warn "cancelling all WF_AUTOCANCEL watchers";
2663	for (Event::all_watchers) {
2664	$_->cancel if $_->data & WF_AUTOCANCEL;
2665	}
2666
2667	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2668	for (;;) {	3462	for (;;) {
2669	BDB::flush;	3463	BDB::flush;
2670	IO::AIO::flush;	3464	IO::AIO::flush;
2671	Coro::cede;	3465	Coro::cede_notself;
2672	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2673	warn "iterate...";	3467	warn "iterate...";
2674	}	3468	}
2675		3469
2676	++$RELOAD;	3470	++$RELOAD;
…		…
2680	%EXT_CORO = ();	3474	%EXT_CORO = ();
2681		3475
2682	warn "removing commands";	3476	warn "removing commands";
2683	%COMMAND = ();	3477	%COMMAND = ();
2684		3478
2685	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2686	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2687		3482
2688	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2689	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2690	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2691		3486
…		…
2734	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2735	require cf;	3530	require cf;
2736	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2737		3532
2738	warn "loading config and database again";	3533	warn "loading config and database again";
2739	cf::cfg_load;	3534	cf::reload_config;
2740		3535
2741	warn "loading extensions";	3536	warn "loading extensions";
2742	cf::load_extensions;	3537	cf::load_extensions;
2743		3538
2744	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2764		3559
2765	sub reload_perl() {	3560	sub reload_perl() {
2766	# doing reload synchronously and two reloads happen back-to-back,	3561	# doing reload synchronously and two reloads happen back-to-back,
2767	# coro crashes during coro_state_free->destroy here.	3562	# coro crashes during coro_state_free->destroy here.
2768		3563
2769	$RELOAD_WATCHER ||= Event->timer (	3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2770	reentrant => 0,
2771	after => 0,
2772	data => WF_AUTOCANCEL,
2773	cb => sub {
2774	do_reload_perl;
2775	undef $RELOAD_WATCHER;	3565	undef $RELOAD_WATCHER;
2776	},	3566	do_reload_perl;
2777	);	3567	};
2778	}	3568	}
2779		3569
2780	register_command "reload" => sub {	3570	register_command "reload" => sub {
2781	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2782		3572
2783	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2784	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
		3575	async {
		3576	$Coro::current->{desc} = "perl_reload";
2785	async { reload_perl };	3577	reload_perl;
		3578	};
2786	}	3579	}
2787	};	3580	};
2788		3581
2789	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2790		3583
…		…
2809	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2810	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2811	$signal->wait;	3604	$signal->wait;
2812	}	3605	}
2813		3606
2814	$TICK_WATCHER = Event->timer (	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2815	reentrant => 0,
2816	parked => 1,
2817	prio => 0,
2818	at => $NEXT_TICK || $TICK,
2819	data => WF_AUTOCANCEL,
2820	cb => sub {
2821	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2822	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2824	return;	3611	return;
2825	}	3612	}
2826		3613
2827	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2828		3615
2829	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
2830		3617
2831	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2832	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2833		3620
2834	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2837	write_runtime	3625	write_runtime
2838	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2839	};
2840	}	3627	};
		3628	}
2841		3629
2842	# my $AFTER = Event::time;
2843	# warn $AFTER - $NOW;#d#
2844
2845	# if we are delayed by four ticks or more, skip them all
2846	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848	$TICK_WATCHER->at ($NEXT_TICK);
2849	$TICK_WATCHER->start;
2850
2851	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852	$sig->send;	3631	$sig->send;
2853	}	3632	}
2854	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2855	$sig->send;	3634	$sig->send;
2856	}	3635	}
2857		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
2858	_post_tick;	3640	_post_tick;
2859	},	3641	};
2860	);	3642	$TICK_WATCHER->priority (EV::MAXPRI);
2861		3643
2862	{	3644	{
2863	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2864	$BDB_POLL_WATCHER = Event->io (	3646
2865	reentrant => 0,
2866	fd => BDB::poll_fileno,
2867	poll => 'r',
2868	prio => 0,
2869	data => WF_AUTOCANCEL,
2870	cb => \&BDB::poll_cb,
2871	);
2872	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2873		3648	BDB::max_poll_reqs $TICK * 0.1;
2874	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2875	my $status;
2876	my $current = $Coro::current;
2877	(
2878	sub {
2879	$status = $!;
2880	$current->ready; undef $current;
2881	},
2882	sub {
2883	Coro::schedule while defined $current;
2884	$! = $status;
2885	},
2886	)
2887	};
2888		3650
2889	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2890	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891		3657
2892	cf::sync_job {	3658	cf::sync_job {
2893	eval {	3659	eval {
2894	BDB::db_env_open	3660	BDB::db_env_open
2895	$DB_ENV,	3661	$DB_ENV,
…		…
2897	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899	0666;	3665	0666;
2900		3666
2901	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904	$DB_ENV->set_lk_detect;
2905	};	3668	};
2906		3669
2907	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2908	};	3671	};
2909	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2910	}	3683	}
2911		3684
2912	{	3685	{
		3686	# configure IO::AIO
		3687
2913	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2914
2915	undef $Coro::AIO::WATCHER;
2916	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2917	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2918	reentrant => 0,	3691	}
2919	data => WF_AUTOCANCEL,	3692
2920	fd => IO::AIO::poll_fileno,	3693	my $_log_backtrace;
2921	poll => 'r',	3694
2922	prio => 6,	3695	sub _log_backtrace {
2923	cb => \&IO::AIO::poll_cb,	3696	my ($msg, @addr) = @_;
2924	);	3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
2925	}	3731	}
2926		3732
2927	# load additional modules	3733	# load additional modules
2928	use cf::pod;	3734	use cf::pod;
2929		3735

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