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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.326 by root, Tue Jul 31 17:33:15 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	132	every server tick.
114		133
115	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		203
163	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
271	}	309	}
272		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
276	my $guard = Coro::guard {	320	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	321	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	322	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
282	$guard	324	$guard
		325	}
		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
283	}	381	}
284		382
285	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
286		384
287	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		390
293	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
294		392
295	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
296		394
297	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
300		399
301	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
304	fast or be very important.	403	fast or be very important.
…		…
307		406
308	sub sync_job(&) {	407	sub sync_job(&) {
309	my ($job) = @_;	408	my ($job) = @_;
310		409
311	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
312	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
314		415
315	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
327		428
328	while ($busy) {	429	while ($busy) {
329	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
330	}	431	}
331		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
332	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
333	} else {	441	} else {
334	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
335		443
336	$job->()	444	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
356		464
357	$coro	465	$coro
358	}	466	}
359		467
360	sub write_runtime {	468	=item fork_call { }, $args
361	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362		469
363	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
364		474
365	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
366	or return;
367		476
368	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
369	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
370	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
371		480	Storable::store_fd $_[0], $fh;
372	(aio_write $fh, 0, (length $value), $value, 0) <= 0
373	and return;
374
375	# always fsync - this file is important
376	aio_fsync $fh
377	and return;
378
379	close $fh	481	close $fh;
380	or return;
381		482
382	aio_rename "$runtime~", $runtime	483	$buf
383	and return;	484	}
384		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
385	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		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	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386	}	655	}
387		656
388	=back	657	=back
389		658
390	=cut	659	=cut
…		…
397	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
398	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
399		668
400	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
401	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
402	crossfire+).	671	Crossfire TRT).
403		672
404	=over 4	673	=over 4
405		674
406	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
407		676
…		…
570	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
571		840
572	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
573	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
574	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
575	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576		845
577	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
578	my $pkg = shift @arg;	847	my $pkg = shift @arg;
579		848
580	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
609	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
610	}	879	}
611		880
612	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
613	} else {	882	} else {
614	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
615	}	884	}
616		885
617	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
618	}	887	}
619		888
…		…
621	if (ref $_[0]) {	890	if (ref $_[0]) {
622	_object_attach @_;	891	_object_attach @_;
623	} else {	892	} else {
624	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
625	}	894	}
		895	_recalc_want;
626	};	896	};
627		897
628	# all those should be optimised	898	# all those should be optimised
629	sub cf::attachable::detach {	899	sub cf::attachable::detach {
630	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
633	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
634	reattach ($obj);	904	reattach ($obj);
635	} else {	905	} else {
636	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
637	}	907	}
		908	_recalc_want;
638	};	909	};
639		910
640	sub cf::attachable::attached {	911	sub cf::attachable::attached {
641	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
642		913
…		…
657	";	928	";
658	die if $@;	929	die if $@;
659	}	930	}
660		931
661	our $override;	932	our $override;
662	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663		934
664	sub override {	935	sub override {
665	$override = 1;	936	$override = 1;
666	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
667	}	938	}
668		939
669	sub do_invoke {	940	sub do_invoke {
670	my $event = shift;	941	my $event = shift;
671	my $callbacks = shift;	942	my $callbacks = shift;
672		943
673	@invoke_results = ();	944	@INVOKE_RESULTS = ();
674		945
675	local $override;	946	local $override;
676		947
677	for (@$callbacks) {	948	for (@$callbacks) {
678	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
695		966
696	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
697		968
698	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
700	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701		972
702	=back	973	=back
703		974
704	=cut	975	=cut
705		976
706	#############################################################################	977	#############################################################################
707	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
708		990
709	sub reattach {	991	sub reattach {
710	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
711	my ($obj) = @_;	993	my ($obj) = @_;
712		994
…		…
789	}	1071	}
790	} else {	1072	} else {
791	aio_unlink $filename;	1073	aio_unlink $filename;
792	aio_unlink "$filename.pst";	1074	aio_unlink "$filename.pst";
793	}	1075	}
794
795	#d##TODO# nuke non .map-files if exist
796	if ($filename =~ s/\.map$//) {
797	aio_unlink $filename;
798	aio_unlink "$filename.pst";
799	}
800	}	1076	}
801	}	1077	}
802		1078
803	sub object_freezer_as_string {	1079	sub object_freezer_as_string {
804	my ($rdata, $objs) = @_;	1080	my ($rdata, $objs) = @_;
…		…
810		1086
811	sub object_thawer_load {	1087	sub object_thawer_load {
812	my ($filename) = @_;	1088	my ($filename) = @_;
813		1089
814	my ($data, $av);	1090	my ($data, $av);
815
816	#d#TODO remove .map if file does not exist
817	aio_stat $filename and $filename =~ s/\.map$//;
818		1091
819	(aio_load $filename, $data) >= 0	1092	(aio_load $filename, $data) >= 0
820	or return;	1093	or return;
821		1094
822	unless (aio_stat "$filename.pst") {	1095	unless (aio_stat "$filename.pst") {
…		…
824	or return;	1097	or return;
825	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
826	}	1099	}
827		1100
828	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
829	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
830	return ($data, $av);	1103	return ($data, $av);
831	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
832		1111
833	#############################################################################	1112	#############################################################################
834	# command handling &c	1113	# command handling &c
835		1114
836	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
849	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
850	}	1129	}
851		1130
852	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
853		1132
854	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
855		1138
856	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
857	called.	1140	called.
858		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
859	=cut	1153	=cut
860		1154
861	sub register_extcmd {	1155	sub register_extcmd {
862	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
863		1157
864	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
865	}	1165	}
866		1166
867	cf::player->attach (	1167	cf::player->attach (
868	on_command => sub {	1168	on_command => sub {
869	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
878	cf::override;	1178	cf::override;
879	},	1179	},
880	on_extcmd => sub {	1180	on_extcmd => sub {
881	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
882		1182
883	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884		1184
885	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
886	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
887	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
888	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
889	}	1195	if $reply;
890	}	1196	}
891	} else {	1197	} else {
892	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893	}	1199	}
894		1200
895	cf::override;	1201	cf::override;
896	},	1202	},
897	);	1203	);
898		1204
899	sub load_extension {
900	my ($path) = @_;
901
902	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
903	my $base = $1;
904	my $pkg = $1;
905	$pkg =~ s/[^[:word:]]/_/g;
906	$pkg = "ext::$pkg";
907
908	warn "... loading '$path' into '$pkg'\n";
909
910	open my $fh, "<:utf8", $path
911	or die "$path: $!";
912
913	my $source =
914	"package $pkg; use strict; use utf8;\n"
915	. "#line 1 \"$path\"\n{\n"
916	. (do { local $/; <$fh> })
917	. "\n};\n1";
918
919	unless (eval $source) {
920	my $msg = $@ ? "$path: $@\n"
921	: "extension disabled.\n";
922	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923	warn $@;
924	warn "mandatory extension failed to load, exiting.\n";
925	exit 1;
926	}
927	die $@;
928	}
929
930	push @EXTS, $pkg;
931	}
932
933	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
934	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
935	next unless -r $ext;	1210	next unless -r $path;
936	eval {	1211
937	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
938	1	1269	}
939	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
940	}	1275	};
941	}	1276	}
942		1277
943	#############################################################################	1278	#############################################################################
944		1279
		1280	=back
		1281
945	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
946		1283
947	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
948		1285
949	=cut	1286	=cut
…		…
961	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
962		1299
963	=cut	1300	=cut
964		1301
965	sub playerdir($) {	1302	sub playerdir($) {
966	cf::localdir	1303	"$PLAYERDIR/"
967	. "/"
968	. cf::playerdir
969	. "/"
970	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
971	}	1305	}
972		1306
973	sub path($) {	1307	sub path($) {
974	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975		1309
976	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
977	}	1311	}
978		1312
979	sub find_active($) {	1313	sub find_active($) {
980	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
981	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
994	my $login = $_[0];	1328	my $login = $_[0];
995		1329
996	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
997		1331
998	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
999	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
1000	or return;	1341	or return;
1001	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
1002	}	1343	}
1003	}	1344	}
…		…
1040		1381
1041	=cut	1382	=cut
1042		1383
1043	sub quit_character {	1384	sub quit_character {
1044	my ($pl) = @_;	1385	my ($pl) = @_;
		1386
		1387	my $name = $pl->ob->name;
1045		1388
1046	$pl->{deny_save} = 1;	1389	$pl->{deny_save} = 1;
1047	$pl->password ("*"); # this should lock out the player until we nuked the dir	1390	$pl->password ("*"); # this should lock out the player until we nuked the dir
1048		1391
1049	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1054	my $path = playerdir $pl;	1397	my $path = playerdir $pl;
1055	my $temp = "$path~$cf::RUNTIME~deleting~";	1398	my $temp = "$path~$cf::RUNTIME~deleting~";
1056	aio_rename $path, $temp;	1399	aio_rename $path, $temp;
1057	delete $cf::PLAYER{$pl->ob->name};	1400	delete $cf::PLAYER{$pl->ob->name};
1058	$pl->destroy;	1401	$pl->destroy;
		1402
		1403	my $prefix = qr<^~\Q$name\E/>;
		1404
		1405	# nuke player maps
		1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1407
1059	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
		1409	}
		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
1060	}	1423	}
1061		1424
1062	=item cf::player::list_logins	1425	=item cf::player::list_logins
1063		1426
1064	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1065	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1066		1429
1067	=cut	1430	=cut
1068		1431
1069	sub list_logins {	1432	sub list_logins {
1070	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1071	or return [];	1434	or return [];
1072		1435
1073	my @logins;	1436	my @logins;
1074		1437
1075	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1110	}	1473	}
1111		1474
1112	\@paths	1475	\@paths
1113	}	1476	}
1114		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1115	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1116		1529
1117	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1118		1531
1119	=cut	1532	=cut
1120		1533
1121	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1122	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1123		1536
1124	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1125		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1126	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1127	}	1544	}
1128		1545
1129	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1130		1586
1131	=back	1587	=back
1132
1133		1588
1134	=head3 cf::map	1589	=head3 cf::map
1135		1590
1136	=over 4	1591	=over 4
1137		1592
…		…
1192	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1193		1648
1194	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1195	local $self->{path};	1650	local $self->{path};
1196	local $self->{load_path};	1651	local $self->{load_path};
1197	local $self->{deny_save};
1198	local $self->{deny_reset};
1199		1652
1200	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1201	}	1654	}
1202		1655
1203	sub normalise {	1656	sub normalise {
…		…
1250	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1251	return $self;	1704	return $self;
1252	}	1705	}
1253	}	1706	}
1254		1707
1255	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1256	()	1709	()
1257	}	1710	}
1258		1711
1259	sub init {	1712	sub init {
1260	my ($self) = @_;	1713	my ($self) = @_;
…		…
1275		1728
1276	# the original (read-only) location	1729	# the original (read-only) location
1277	sub load_path {	1730	sub load_path {
1278	my ($self) = @_;	1731	my ($self) = @_;
1279		1732
1280	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1281	}	1734	}
1282		1735
1283	# the temporary/swap location	1736	# the temporary/swap location
1284	sub save_path {	1737	sub save_path {
1285	my ($self) = @_;	1738	my ($self) = @_;
1286		1739
1287	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1289	}	1742	}
1290		1743
1291	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1292	sub uniq_path {	1745	sub uniq_path {
1293	my ($self) = @_;	1746	my ($self) = @_;
1294		1747
1295	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1297	}	1750	}
1298		1751
1299	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1300	# all maps in C++...	1753	# all maps in C++...
1301	sub change_all_map_light {	1754	sub change_all_map_light {
…		…
1303		1756
1304	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1305	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
1306	}	1759	}
1307		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
		1767	}
		1768
1308	sub unlink_save {	1769	sub unlink_save {
1309	my ($self) = @_;	1770	my ($self) = @_;
1310		1771
1311	utf8::encode (my $save = $self->save_path);	1772	utf8::encode (my $save = $self->save_path);
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1773	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1774	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315	#d#TODO remove .map and also nuke
1316	$save =~ s/\.map// or return;#d#
1317	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319	}	1775	}
1320		1776
1321	sub load_header_from($) {	1777	sub load_header_from($) {
1322	my ($self, $path) = @_;	1778	my ($self, $path) = @_;
1323		1779
…		…
1373	$self->load_header_orig	1829	$self->load_header_orig
1374	or return;	1830	or return;
1375	$self->prepare_orig;	1831	$self->prepare_orig;
1376	}	1832	}
1377		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1378	1	1840	1
1379	}	1841	}
1380		1842
1381	sub find;	1843	sub find;
1382	sub find {	1844	sub find {
…		…
1394	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1395		1857
1396	$map->load_header	1858	$map->load_header
1397	or return;	1859	or return;
1398		1860
1399	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1401	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1402	$map->reset;	1864	$map->reset;
1403	undef $guard;	1865	undef $guard;
1404	return find $path;	1866	return find $path;
…		…
1415	my ($self) = @_;	1877	my ($self) = @_;
1416		1878
1417	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1418		1880
1419	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1420	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1421		1885
1422	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1423		1887
1424	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1425		1889
1426	$self->alloc;	1890	$self->alloc;
1427		1891
1428	$self->pre_load;	1892	$self->pre_load;
1429
1430	$self->_load_objects ($self->{load_path}, 1)
1431	or return;
1432
1433	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434	if delete $self->{load_original};
1435
1436	if (my $uniq = $self->uniq_path) {
1437	utf8::encode $uniq;
1438	if (aio_open $uniq, O_RDONLY, 0) {
1439	$self->clear_unique_items;
1440	$self->_load_objects ($uniq, 0);
1441	}
1442	}
1443
1444	Coro::cede;
1445
1446	# now do the right thing for maps
1447	$self->link_multipart_objects;
1448
1449	unless ($self->{deny_activate}) {
1450	$self->decay_objects;
1451	$self->fix_auto_apply;
1452	$self->update_buttons;
1453	Coro::cede;	1893	Coro::cede;
1454	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1455	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1456	unless $self->difficulty;	1913	unless $self->difficulty;
1457	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1458	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1930	}
1460		1931
1461	$self->post_load;	1932	$self->post_load;
1462
1463	$self->in_memory (cf::MAP_IN_MEMORY);
1464	}	1933	}
1465		1934
1466	sub customise_for {	1935	sub customise_for {
1467	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1468		1937
1469	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1470	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1471		1943
1472	$self	1944	$self
1473	}	1945	}
1474		1946
1475	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1522		1994
1523	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1524	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1525	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1526	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1527	my $map = find $path	1999	if (my $map = find $path) {
1528	or next;
1529	$map->load;	2000	$map->load;
		2001	}
1530		2002
1531	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1532	}	2004	}
1533	}	2005	}
1534	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1586		2058
1587	sub reset_at {	2059	sub reset_at {
1588	my ($self) = @_;	2060	my ($self) = @_;
1589		2061
1590	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1591	return 1e99 if $self->isa ("ext::map_per_player");#d#
1592	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1593		2064
1594	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596		2067
…		…
1607	my ($self) = @_;	2078	my ($self) = @_;
1608		2079
1609	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1610		2081
1611	return if $self->players;	2082	return if $self->players;
1612	return if $self->isa ("ext::map_per_player");#d#
1613		2083
1614	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1615		2085
1616	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1617		2087
1618	# need to save uniques path	2088	# need to save uniques path
1619	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1651	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1652		2122
1653	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1654	}	2124	}
1655		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1656	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1657		2163
1658	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1659	instantiated unique items. May block.	2165	instantiated unique items. May block.
1660		2166
1661	=cut	2167	=cut
1662		2168
1663	sub unique_maps() {	2169	sub unique_maps() {
1664	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1665	or return;	2171	map {
1666
1667	my @paths;
1668
1669	for (@$files) {
1670	utf8::decode $_;	2172	utf8::decode $_;
1671	next if /\.pst$/;	2173	/\.map$/
1672	next unless /^$PATH_SEP/o;	2174	? normalise $_
1673		2175	: ()
1674	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1675	}	2177	]
1676
1677	\@paths
1678	}	2178	}
1679		2179
1680	package cf;	2180	package cf;
1681		2181
1682	=back	2182	=back
…		…
1728		2228
1729	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730		2230
1731	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1732	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1733	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1734	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1735	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1736	}	2245	}
1737	}	2246	}
1738		2247
1739	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1740		2249
…		…
1788	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1789		2298
1790	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1791		2300
1792	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1794		2303
1795	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1796	}	2305	}
1797		2306
1798	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1799	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1800		2311
1801	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1802		2313
1803	unless ($map) {	2314	unless ($map) {
1804	# restore original map position	2315	# restore original map position
…		…
1822	$map->load;	2333	$map->load;
1823	$map->load_diag;	2334	$map->load_diag;
1824		2335
1825	return unless $self->contr->active;	2336	return unless $self->contr->active;
1826	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1828	}	2341	}
1829		2342
1830	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2344
1834	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1838	};	2349	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2350
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	# we need this sleep as the login has a concurrent enter_exit running
1850	# and this sleep increases chances of the player not ending up in scorn
1851	$pl->ob->reply (undef,
1852	"There was an internal problem at your last logout, "
1853	. "the server will try to bring you to your intended destination in a second.",
1854	cf::NDI_RED);
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1865		2354
1866	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2360
1869	$self->enter_link;	2361	$self->enter_link;
1870		2362
1871	(async {	2363	(async {
1872	my $map = eval {	2364	my $map = eval {
1873	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1875	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2380	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1880	})->prio (1);	2388	})->prio (1);
1881	}	2389	}
1882		2390
1883	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1884		2392
…		…
1923		2431
1924	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1925		2433
1926	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1929		2437
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2440	undef $fh;
1933	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1942		2450
1943	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1944		2452
1945	if ($exit->slaying eq "/!") {	2453	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2457	cf::sync_job { prepare_random_map $exit };
1948	}	2458	}
1949		2459
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1953		2463
1954	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1955		2469
1956	(async {	2470	(async {
1957	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2472	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
1960		2474
1961	1;	2475	1;
1962	}) {	2476	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2481
1968	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2483	$self->leave_link;
1970	}	2484	}
1971	})->prio (1);	2485	})->prio (1);
…		…
1984		2498
1985	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1986	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1987		2501
1988	utf8::encode $text;	2502	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2504	}
1991		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	if (0 && $msg =~ /\[/) {
		2556	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2557	} else {
		2558	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2559	$self->send_packet ("drawinfo $color $msg")
		2560	}
		2561	}
		2562	}
		2563	}
		2564
		2565	=item $client->ext_msg ($type, @msg)
		2566
		2567	Sends an ext event to the client.
		2568
		2569	=cut
		2570
		2571	sub cf::client::ext_msg($$@) {
		2572	my ($self, $type, @msg) = @_;
		2573
		2574	my $extcmd = $self->extcmd;
		2575
		2576	if ($extcmd == 2) {
		2577	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2578	} elsif ($extcmd == 1) { # TODO: remove
		2579	push @msg, msgtype => "event_$type";
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1992		2583
1993	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1994		2585
1995	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2589
1999	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2591	become reliable at some point in the future.
2001		2592
2002	=cut	2593	=cut
2003		2594
2004	sub cf::client::query {	2595	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2604	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2606
2016	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
2018	}	2611	}
2019		2612
2020	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
2021	on_reply => sub {	2619	on_reply => sub {
2022	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
2023		2621
2024	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
2025	# get handled first	2623	# get handled first
…		…
2037	} else {	2635	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2637	}
2040	}	2638	}
2041	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
2042	);	2663	);
2043		2664
2044	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
2045		2666
2046	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2093		2714
2094	# here we export the classes and methods available to script code	2715	# here we export the classes and methods available to script code
2095		2716
2096	=pod	2717	=pod
2097		2718
2098	The following fucntions and emthods are available within a safe environment:	2719	The following functions and methods are available within a safe environment:
2099		2720
2100	cf::object contr pay_amount pay_player map	2721	cf::object
		2722	contr pay_amount pay_player map x y force_find force_add
		2723	insert remove
		2724
2101	cf::object::player player	2725	cf::object::player
2102	cf::player peaceful	2726	player
2103	cf::map trigger	2727
		2728	cf::player
		2729	peaceful
		2730
		2731	cf::map
		2732	trigger
2104		2733
2105	=cut	2734	=cut
2106		2735
2107	for (	2736	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	2737	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2738	insert remove)],
2109	["cf::object::player" => qw(player)],	2739	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	2740	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	2741	["cf::map" => qw(trigger)],
2112	) {	2742	) {
2113	no strict 'refs';	2743	no strict 'refs';
…		…
2184	=back	2814	=back
2185		2815
2186	=cut	2816	=cut
2187		2817
2188	#############################################################################	2818	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	2819	# the server's init and main functions
2262		2820
2263	sub load_resources {	2821	sub load_facedata($) {
2264	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2822	my ($path) = @_;
		2823
		2824	warn "loading facedata from $path\n";
		2825
		2826	my $facedata;
		2827	0 < aio_load $path, $facedata
		2828	or die "$path: $!";
		2829
		2830	$facedata = Coro::Storable::thaw $facedata;
		2831
		2832	$facedata->{version} == 2
		2833	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2834
		2835	{
		2836	my $faces = $facedata->{faceinfo};
		2837
		2838	while (my ($face, $info) = each %$faces) {
		2839	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2840	cf::face::set_visibility $idx, $info->{visibility};
		2841	cf::face::set_magicmap $idx, $info->{magicmap};
		2842	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2843	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2844
		2845	cf::cede_to_tick;
		2846	}
		2847
		2848	while (my ($face, $info) = each %$faces) {
		2849	next unless $info->{smooth};
		2850	my $idx = cf::face::find $face
		2851	or next;
		2852	if (my $smooth = cf::face::find $info->{smooth}) {
		2853	cf::face::set_smooth $idx, $smooth;
		2854	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2855	} else {
		2856	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2857	}
		2858
		2859	cf::cede_to_tick;
		2860	}
		2861	}
		2862
		2863	{
		2864	my $anims = $facedata->{animinfo};
		2865
		2866	while (my ($anim, $info) = each %$anims) {
		2867	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	cf::anim::invalidate_all; # d'oh
		2872	}
		2873
		2874	{
		2875	# TODO: for gcfclient pleasure, we should give resources
		2876	# that gcfclient doesn't grok a >10000 face index.
		2877	my $res = $facedata->{resource};
		2878	my $enc = JSON::XS->new->utf8->canonical;
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $meta = $enc->encode ({
		2884	name => $name,
		2885	%{ $info->{meta} || {} },
		2886	});
		2887
		2888	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2889
		2890	if ($info->{type} & 1) {
		2891	# prepend meta info
		2892
		2893	my $data = pack "(w/a*)*", $meta, $info->{data};
		2894	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2895
		2896	cf::face::set_data $idx, 0, $data, $chk;
		2897	} else {
		2898	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2899	}
		2900
		2901	cf::face::set_type $idx, $info->{type};
		2902
		2903	cf::cede_to_tick;
		2904	}
		2905
		2906	if ($soundconf) {
		2907	$soundconf = $enc->decode (delete $soundconf->{data});
		2908
		2909	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2910	my $sound = $soundconf->{compat}[$_]
		2911	or next;
		2912
		2913	my $face = cf::face::find "sound/$sound->[1]";
		2914	cf::sound::set $sound->[0] => $face;
		2915	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2916	}
		2917
		2918	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2919	my $face = cf::face::find "sound/$v";
		2920	cf::sound::set $k => $face;
		2921	}
		2922	}
		2923	}
		2924
		2925	1
		2926	}
		2927
		2928	register_exticmd fx_want => sub {
		2929	my ($ns, $want) = @_;
		2930
		2931	while (my ($k, $v) = each %$want) {
		2932	$ns->fx_want ($k, $v);
		2933	}
		2934	};
		2935
		2936	sub reload_regions {
		2937	load_resource_file "$MAPDIR/regions"
2265	or die "unable to load regions file\n";#d#	2938	or die "unable to load regions file\n";
		2939
		2940	for (cf::region::list) {
		2941	$_->{match} = qr/$_->{match}/
		2942	if exists $_->{match};
		2943	}
		2944	}
		2945
		2946	sub reload_facedata {
		2947	load_facedata "$DATADIR/facedata"
		2948	or die "unable to load facedata\n";
		2949	}
		2950
		2951	sub reload_archetypes {
		2952	load_resource_file "$DATADIR/archetypes"
		2953	or die "unable to load archetypes\n";
		2954	#d# NEED to laod twice to resolve forward references
		2955	# this really needs to be done in an extra post-pass
		2956	# (which needs to be synchronous, so solve it differently)
		2957	load_resource_file "$DATADIR/archetypes"
		2958	or die "unable to load archetypes\n";
		2959	}
		2960
		2961	sub reload_treasures {
		2962	load_resource_file "$DATADIR/treasures"
		2963	or die "unable to load treasurelists\n";
		2964	}
		2965
		2966	sub reload_resources {
		2967	warn "reloading resource files...\n";
		2968
		2969	reload_regions;
		2970	reload_facedata;
		2971	#reload_archetypes;#d#
		2972	reload_archetypes;
		2973	reload_treasures;
		2974
		2975	warn "finished reloading resource files\n";
		2976	}
		2977
		2978	sub init {
		2979	reload_resources;
2266	}	2980	}
2267		2981
2268	sub cfg_load {	2982	sub cfg_load {
2269	open my $fh, "<:utf8", cf::confdir . "/config"	2983	open my $fh, "<:utf8", "$CONFDIR/config"
2270	or return;	2984	or return;
2271		2985
2272	local $/;	2986	local $/;
2273	*CFG = YAML::Syck::Load <$fh>;	2987	*CFG = YAML::Syck::Load <$fh>;
2274		2988
…		…
2282	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2996	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283	and die "WARNING: m(un)lockall failed: $!\n";	2997	and die "WARNING: m(un)lockall failed: $!\n";
2284	};	2998	};
2285	warn $@ if $@;	2999	warn $@ if $@;
2286	}	3000	}
2287	}
2288
2289	sub init {
2290	load_resources;
2291	}	3001	}
2292		3002
2293	sub main {	3003	sub main {
2294	# we must not ever block the main coroutine	3004	# we must not ever block the main coroutine
2295	local $Coro::idle = sub {	3005	local $Coro::idle = sub {
…		…
2323	},	3033	},
2324	);	3034	);
2325	}	3035	}
2326	}	3036	}
2327		3037
		3038	sub write_runtime {
		3039	my $runtime = "$LOCALDIR/runtime";
		3040
		3041	# first touch the runtime file to show we are still running:
		3042	# the fsync below can take a very very long time.
		3043
		3044	IO::AIO::aio_utime $runtime, undef, undef;
		3045
		3046	my $guard = cf::lock_acquire "write_runtime";
		3047
		3048	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3049	or return;
		3050
		3051	my $value = $cf::RUNTIME + 90 + 10;
		3052	# 10 is the runtime save interval, for a monotonic clock
		3053	# 60 allows for the watchdog to kill the server.
		3054
		3055	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3056	and return;
		3057
		3058	# always fsync - this file is important
		3059	aio_fsync $fh
		3060	and return;
		3061
		3062	# touch it again to show we are up-to-date
		3063	aio_utime $fh, undef, undef;
		3064
		3065	close $fh
		3066	or return;
		3067
		3068	aio_rename "$runtime~", $runtime
		3069	and return;
		3070
		3071	warn "runtime file written.\n";
		3072
		3073	1
		3074	}
		3075
2328	sub emergency_save() {	3076	sub emergency_save() {
2329	my $freeze_guard = cf::freeze_mainloop;	3077	my $freeze_guard = cf::freeze_mainloop;
2330		3078
2331	warn "enter emergency perl save\n";	3079	warn "enter emergency perl save\n";
2332		3080
…		…
2363		3111
2364	warn Carp::longmess "post_cleanup backtrace"	3112	warn Carp::longmess "post_cleanup backtrace"
2365	if $make_core;	3113	if $make_core;
2366	}	3114	}
2367		3115
2368	sub reload() {	3116	sub do_reload_perl() {
2369	# can/must only be called in main	3117	# can/must only be called in main
2370	if ($Coro::current != $Coro::main) {	3118	if ($Coro::current != $Coro::main) {
2371	warn "can only reload from main coroutine";	3119	warn "can only reload from main coroutine";
2372	return;	3120	return;
2373	}	3121	}
2374		3122
2375	warn "reloading...";	3123	warn "reloading...";
2376		3124
2377	warn "cancelling server ticker";	3125	warn "entering sync_job";
2378	$TICK_WATCHER->cancel;
2379		3126
		3127	cf::sync_job {
		3128	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3129	cf::emergency_save;
		3130	cf::write_runtime; # external watchdog should not bark
2381		3131
2382	eval {	3132	warn "syncing database to disk";
		3133	BDB::db_env_txn_checkpoint $DB_ENV;
		3134
2383	# if anything goes wrong in here, we should simply crash as we already saved	3135	# if anything goes wrong in here, we should simply crash as we already saved
2384		3136
2385	warn "cancelling all WF_AUTOCANCEL watchers";	3137	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {	3138	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;	3139	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}	3140	}
2389
2390	warn "syncing database to disk";
2391	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392		3141
2393	warn "flushing outstanding aio requests";	3142	warn "flushing outstanding aio requests";
2394	for (;;) {	3143	for (;;) {
2395	BDB::flush;	3144	BDB::flush;
2396	IO::AIO::flush;	3145	IO::AIO::flush;
2397	Coro::cede;	3146	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3147	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3148	warn "iterate...";
2400	}	3149	}
2401		3150
		3151	++$RELOAD;
		3152
2402	warn "cancelling all extension coros";	3153	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3154	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3155	%EXT_CORO = ();
2405		3156
2406	warn "removing commands";	3157	warn "removing commands";
2407	%COMMAND = ();	3158	%COMMAND = ();
2408		3159
2409	warn "removing ext commands";	3160	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3161	%EXTCMD = ();
		3162	%EXTICMD = ();
2411		3163
2412	warn "unloading/nuking all extensions";	3164	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3165	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3166	warn "... unloading $pkg";
2415		3167
…		…
2445	Symbol::delete_package "safe::$_"	3197	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3198	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3199
2448	warn "unloading cf.pm \"a bit\"";	3200	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3201	delete $INC{"cf.pm"};
		3202	delete $INC{"cf/pod.pm"};
2450		3203
2451	# don't, removes xs symbols, too,	3204	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3205	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3206	#Symbol::delete_package __PACKAGE__;
2454		3207
…		…
2463		3216
2464	warn "loading extensions";	3217	warn "loading extensions";
2465	cf::load_extensions;	3218	cf::load_extensions;
2466		3219
2467	warn "reattaching attachments to objects/players";	3220	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3221	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3222	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3223	reattach $_ for values %MAP;
		3224	warn "reattaching attachments to players";
		3225	reattach $_ for values %PLAYER;
2471		3226
2472	warn "loading reloadable resources";	3227	warn "leaving sync_job";
2473	load_resources;
2474		3228
2475	warn "restarting server ticker";	3229	1
2476		3230	} or do {
2477	$TICK_WATCHER->start;
2478	};
2479
2480	if ($@) {
2481	warn $@;	3231	warn $@;
2482	warn "error while reloading, exiting.";	3232	warn "error while reloading, exiting.";
2483	exit 1;	3233	exit 1;
2484	}	3234	};
2485		3235
2486	warn "reloaded";	3236	warn "reloaded";
2487	};	3237	};
2488		3238
2489	our $RELOAD_WATCHER; # used only during reload	3239	our $RELOAD_WATCHER; # used only during reload
2490		3240
		3241	sub reload_perl() {
		3242	# doing reload synchronously and two reloads happen back-to-back,
		3243	# coro crashes during coro_state_free->destroy here.
		3244
		3245	$RELOAD_WATCHER ||= Event->timer (
		3246	reentrant => 0,
		3247	after => 0,
		3248	data => WF_AUTOCANCEL,
		3249	cb => sub {
		3250	do_reload_perl;
		3251	undef $RELOAD_WATCHER;
		3252	},
		3253	);
		3254	}
		3255
2491	register_command "reload" => sub {	3256	register_command "reload" => sub {
2492	my ($who, $arg) = @_;	3257	my ($who, $arg) = @_;
2493		3258
2494	if ($who->flag (FLAG_WIZ)) {	3259	if ($who->flag (FLAG_WIZ)) {
2495	$who->message ("reloading server.");	3260	$who->message ("reloading server.");
2496		3261	async { reload_perl };
2497	# doing reload synchronously and two reloads happen back-to-back,
2498	# coro crashes during coro_state_free->destroy here.
2499
2500	$RELOAD_WATCHER ||= Event->timer (
2501	reentrant => 0,
2502	after => 0,
2503	data => WF_AUTOCANCEL,
2504	cb => sub {
2505	reload;
2506	undef $RELOAD_WATCHER;
2507	},
2508	);
2509	}	3262	}
2510	};	3263	};
2511		3264
2512	unshift @INC, $LIBDIR;	3265	unshift @INC, $LIBDIR;
2513		3266
2514	my $bug_warning = 0;	3267	my $bug_warning = 0;
2515		3268
		3269	our @WAIT_FOR_TICK;
		3270	our @WAIT_FOR_TICK_BEGIN;
		3271
		3272	sub wait_for_tick {
		3273	return unless $TICK_WATCHER->is_active;
		3274	return if $Coro::current == $Coro::main;
		3275
		3276	my $signal = new Coro::Signal;
		3277	push @WAIT_FOR_TICK, $signal;
		3278	$signal->wait;
		3279	}
		3280
		3281	sub wait_for_tick_begin {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK_BEGIN, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	my $min = 1e6;#d#
		3291	my $avg = 10;
2516	$TICK_WATCHER = Event->timer (	3292	$TICK_WATCHER = Event->timer (
2517	reentrant => 0,	3293	reentrant => 0,
2518	parked => 1,	3294	parked => 1,
2519	prio => 0,	3295	prio => 0,
2520	at => $NEXT_TICK || $TICK,	3296	at => $NEXT_TICK || $TICK,
…		…
2524	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3300	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525	unless ++$bug_warning > 10;	3301	unless ++$bug_warning > 10;
2526	return;	3302	return;
2527	}	3303	}
2528		3304
2529	$NOW = Event::time;	3305	$NOW = $tick_start = Event::time;
2530		3306
2531	cf::server_tick; # one server iteration	3307	cf::server_tick; # one server iteration
		3308
		3309	0 && sync_job {#d#
		3310	for(1..10) {
		3311	my $t = Event::time;
		3312	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3313	or die;
		3314
		3315	$map->width (50);
		3316	$map->height (50);
		3317	$map->alloc;
		3318	$map->_load_objects ("/tmp/x.map", 1);
		3319	my $t = Event::time - $t;
		3320
		3321	#next unless $t < 0.0013;#d#
		3322	if ($t < $min) {
		3323	$min = $t;
		3324	}
		3325	$avg = $avg * 0.99 + $t * 0.01;
		3326	}
		3327	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3328	exit 0;
		3329	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3330	};
		3331
2532	$RUNTIME += $TICK;	3332	$RUNTIME += $TICK;
2533	$NEXT_TICK += $TICK;	3333	$NEXT_TICK += $TICK;
2534		3334
2535	$WAIT_FOR_TICK->broadcast;	3335	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3336	$NEXT_RUNTIME_WRITE = $NOW + 10;
2537		3337	Coro::async_pool {
2538	Event::sweep;	3338	write_runtime
2539	Coro::cede_notself;	3339	or warn "ERROR: unable to write runtime file: $!";
		3340	};
2540		3341	}
		3342
2541	# my $AFTER = Event::time;	3343	# my $AFTER = Event::time;
2542	# warn $AFTER - $NOW;#d#	3344	# warn $AFTER - $NOW;#d#
2543		3345
		3346	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3347	$sig->send;
		3348	}
		3349	while (my $sig = shift @WAIT_FOR_TICK) {
		3350	$sig->send;
		3351	}
		3352
		3353	$NOW = Event::time;
		3354
2544	# if we are delayed by four ticks or more, skip them all	3355	# if we are delayed by four ticks or more, skip them all
2545	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3356	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2546		3357
2547	$TICK_WATCHER->at ($NEXT_TICK);	3358	$TICK_WATCHER->at ($NEXT_TICK);
2548	$TICK_WATCHER->start;	3359	$TICK_WATCHER->start;
		3360
		3361	$LOAD = ($NOW - $tick_start) / $TICK;
		3362	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3363
		3364	_post_tick;
		3365
		3366
2549	},	3367	},
2550	);	3368	);
2551		3369
2552	{	3370	{
2553	BDB::max_poll_time $TICK * 0.1;	3371	BDB::max_poll_time $TICK * 0.1;
…		…
2581		3399
2582	cf::sync_job {	3400	cf::sync_job {
2583	eval {	3401	eval {
2584	BDB::db_env_open	3402	BDB::db_env_open
2585	$DB_ENV,	3403	$DB_ENV,
2586	$BDB_ENV_DIR,	3404	$BDBDIR,
2587	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3405	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3406	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589	0666;	3407	0666;
2590		3408
2591	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3409	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592		3410
2593	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3411	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594	$DB_ENV->set_lk_detect;	3412	$DB_ENV->set_lk_detect;
2595	};	3413	};
2596		3414
…		…
2604		3422
2605	undef $Coro::AIO::WATCHER;	3423	undef $Coro::AIO::WATCHER;
2606	IO::AIO::max_poll_time $TICK * 0.1;	3424	IO::AIO::max_poll_time $TICK * 0.1;
2607	$AIO_POLL_WATCHER = Event->io (	3425	$AIO_POLL_WATCHER = Event->io (
2608	reentrant => 0,	3426	reentrant => 0,
		3427	data => WF_AUTOCANCEL,
2609	fd => IO::AIO::poll_fileno,	3428	fd => IO::AIO::poll_fileno,
2610	poll => 'r',	3429	poll => 'r',
2611	prio => 6,	3430	prio => 6,
2612	data => WF_AUTOCANCEL,
2613	cb => \&IO::AIO::poll_cb,	3431	cb => \&IO::AIO::poll_cb,
2614	);	3432	);
2615	}	3433	}
2616		3434
2617	$WRITE_RUNTIME_WATCHER = Event->timer (	3435	my $_log_backtrace;
2618	reentrant => 0,	3436
2619	data => WF_AUTOCANCEL,	3437	sub _log_backtrace {
2620	after => 1,	3438	my ($msg, @addr) = @_;
2621	interval => 10,	3439
2622	prio => 6, # keep it lowest so it acts like a watchdog	3440	$msg =~ s/\n//;
2623	cb => Coro::unblock_sub {	3441
2624	write_runtime	3442	# limit the # of concurrent backtraces
2625	or warn "ERROR: unable to write runtime file: $!";	3443	if ($_log_backtrace < 2) {
		3444	++$_log_backtrace;
		3445	async {
		3446	my @bt = fork_call {
		3447	@addr = map { sprintf "%x", $_ } @addr;
		3448	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3449	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3450	or die "addr2line: $!";
		3451
		3452	my @funcs;
		3453	my @res = <$fh>;
		3454	chomp for @res;
		3455	while (@res) {
		3456	my ($func, $line) = splice @res, 0, 2, ();
		3457	push @funcs, "[$func] $line";
		3458	}
		3459
		3460	@funcs
		3461	};
		3462
		3463	LOG llevInfo, "[ABT] $msg\n";
		3464	LOG llevInfo, "[ABT] $_\n" for @bt;
		3465	--$_log_backtrace;
		3466	};
		3467	} else {
		3468	LOG llevInfo, "[ABT] $msg\n";
		3469	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3470	}
2627	);	3471	}
		3472
		3473	# load additional modules
		3474	use cf::pod;
2628		3475
2629	END { cf::emergency_save }	3476	END { cf::emergency_save }
2630		3477
2631	1	3478	1
2632		3479

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