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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.3 (); 15use Coro 3.61 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
19 24
25use JSON::XS 1.4 ();
26use BDB ();
20use Data::Dumper; 27use Data::Dumper;
21use Digest::MD5; 28use Digest::MD5;
22use Fcntl; 29use Fcntl;
30use YAML::Syck ();
23use IO::AIO 2.32 (); 31use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 32use Time::HiRes;
33use Compress::LZF;
26 34
35# configure various modules to our taste
36#
37$Storable::canonical = 1; # reduce rsync transfers
38Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
39Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 41$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 42
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 44$YAML::Syck::ImplicitUnicode = 1;
33 45
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 47
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49
36our %COMMAND = (); 50our %COMMAND = ();
37our %COMMAND_TIME = (); 51our %COMMAND_TIME = ();
52
53our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 54our %EXTCMD = ();
55our %EXTICMD = ();
56our %EXT_CORO = (); # coroutines bound to extensions
57our %EXT_MAP = (); # pluggable maps
39 58
59our $RELOAD; # number of reloads so far
40our @EVENT; 60our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 61
43our $TICK = MAX_TIME * 1e-6; 62our $CONFDIR = confdir;
63our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir;
67our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$LOCALDIR/db";
73
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 75our $TICK_WATCHER;
76our $AIO_POLL_WATCHER;
77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 78our $NEXT_TICK;
46our $NOW; 79our $NOW;
80our $USE_FSYNC = 1; # use fsync to write maps - default off
81
82our $BDB_POLL_WATCHER;
83our $DB_ENV;
47 84
48our %CFG; 85our %CFG;
49 86
50our $UPTIME; $UPTIME ||= time; 87our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 88our $RUNTIME;
52 89
53our %PLAYER; # all users 90our %PLAYER; # all users
54our %MAP; # all maps 91our %MAP; # all maps
55our $LINK_MAP; # the special {link} map 92our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 93
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 94# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 95our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96
97our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98our $LOADAVG; # same thing, but with alpha-smoothing
99our $tick_start; # for load detecting purposes
61 100
62binmode STDOUT; 101binmode STDOUT;
63binmode STDERR; 102binmode STDERR;
64 103
65# read virtual server time, if available 104# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 105unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 106 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 107 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 108 $RUNTIME = <$fh> + 0.;
70} 109}
71 110
72mkdir cf::localdir; 111mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 112 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 113
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 114our $EMERGENCY_POSITION;
115
116sub cf::map::normalise;
81 117
82############################################################################# 118#############################################################################
83 119
84=head2 GLOBAL VARIABLES 120=head2 GLOBAL VARIABLES
85 121
92=item $cf::RUNTIME 128=item $cf::RUNTIME
93 129
94The time this server has run, starts at 0 and is increased by $cf::TICK on 130The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 131every server tick.
96 132
97=item $cf::LIBDIR 133=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 136
99The perl library directory, where extensions and cf-specific modules can 137Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 138directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139unique-items directory, player file directory, random maps directory and
140database environment.
101 141
102=item $cf::NOW 142=item $cf::NOW
103 143
104The time of the last (current) server tick. 144The time of the last (current) server tick.
105 145
106=item $cf::TICK 146=item $cf::TICK
107 147
108The interval between server ticks, in seconds. 148The interval between server ticks, in seconds.
149
150=item $cf::LOADAVG
151
152The current CPU load on the server (alpha-smoothed), as a value between 0
153(none) and 1 (overloaded), indicating how much time is spent on processing
154objects per tick. Healthy values are < 0.5.
155
156=item $cf::LOAD
157
158The raw value load value from the last tick.
109 159
110=item %cf::CFG 160=item %cf::CFG
111 161
112Configuration for the server, loaded from C</etc/crossfire/config>, or 162Configuration for the server, loaded from C</etc/crossfire/config>, or
113from wherever your confdir points to. 163from wherever your confdir points to.
114 164
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 165=item cf::wait_for_tick, cf::wait_for_tick_begin
116 166
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 167These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 168returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 169per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick.
121 170
122=back 171=back
123 172
124=cut 173=cut
125 174
126BEGIN { 175BEGIN {
127 *CORE::GLOBAL::warn = sub { 176 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 177 my $msg = join "", @_;
129 utf8::encode $msg;
130 178
131 $msg .= "\n" 179 $msg .= "\n"
132 unless $msg =~ /\n$/; 180 unless $msg =~ /\n$/;
133 181
182 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183
184 utf8::encode $msg;
134 LOG llevError, $msg; 185 LOG llevError, $msg;
135 }; 186 };
136} 187}
137 188
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 189@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 190@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 191@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 192@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 193@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
194@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 195@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 196
145# we bless all objects into (empty) derived classes to force a method lookup 197# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 198# within the Safe compartment.
147for my $pkg (qw( 199for my $pkg (qw(
148 cf::global cf::attachable 200 cf::global cf::attachable
157 209
158$Event::DIED = sub { 210$Event::DIED = sub {
159 warn "error in event callback: @_"; 211 warn "error in event callback: @_";
160}; 212};
161 213
162my %ext_pkg; 214#############################################################################
163my @exts;
164my @hook;
165 215
166=head2 UTILITY FUNCTIONS 216=head2 UTILITY FUNCTIONS
167 217
168=over 4 218=over 4
169 219
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 238 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 239 $d
190 } || "[unable to dump $_[0]: '$@']"; 240 } || "[unable to dump $_[0]: '$@']";
191} 241}
192 242
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 243=item $ref = cf::from_json $json
196 244
197Converts a JSON string into the corresponding perl data structure. 245Converts a JSON string into the corresponding perl data structure.
198 246
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 247=item $json = cf::to_json $ref
207 248
208Converts a perl data structure into its JSON representation. 249Converts a perl data structure into its JSON representation.
209 250
210=cut 251=cut
211 252
212sub to_json($) { 253our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 254
214 JSON::Syck::Dump $_[0] 255sub to_json ($) { $json_coder->encode ($_[0]) }
215} 256sub from_json ($) { $json_coder->decode ($_[0]) }
216 257
217=item cf::lock_wait $string 258=item cf::lock_wait $string
218 259
219Wait until the given lock is available. See cf::lock_acquire. 260Wait until the given lock is available. See cf::lock_acquire.
220 261
226returned. 267returned.
227 268
228Lock names should begin with a unique identifier (for example, cf::map::find 269Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 270uses map_find and cf::map::load uses map_load).
230 271
272=item $locked = cf::lock_active $string
273
274Return true if the lock is currently active, i.e. somebody has locked it.
275
231=cut 276=cut
232 277
233our %LOCK; 278our %LOCK;
234 279
235sub lock_wait($) { 280sub lock_wait($) {
254 # wake up all waiters, to be on the safe side 299 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 300 $_->ready for @{ delete $LOCK{$key} };
256 } 301 }
257} 302}
258 303
304sub lock_active($) {
305 my ($key) = @_;
306
307 ! ! $LOCK{$key}
308}
309
259sub freeze_mainloop { 310sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 311 return unless $TICK_WATCHER->is_active;
261 312
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 313 my $guard = Coro::guard {
314 $TICK_WATCHER->start;
315 };
263 $TICK_WATCHER->stop; 316 $TICK_WATCHER->stop;
264 $guard 317 $guard
265} 318}
266 319
267=item cf::async { BLOCK } 320=item cf::async { BLOCK }
274 327
275BEGIN { *async = \&Coro::async_pool } 328BEGIN { *async = \&Coro::async_pool }
276 329
277=item cf::sync_job { BLOCK } 330=item cf::sync_job { BLOCK }
278 331
279The design of crossfire+ requires that the main coro ($Coro::main) is 332The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 333is always able to handle events or runnable, as Crossfire TRT is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 334partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335acceptable.
282 336
283If it must be done, put the blocking parts into C<sync_job>. This will run 337If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 338the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 339server will be frozen during this time, so the block should either finish
286fast or be very important. 340fast or be very important.
289 343
290sub sync_job(&) { 344sub sync_job(&) {
291 my ($job) = @_; 345 my ($job) = @_;
292 346
293 if ($Coro::current == $Coro::main) { 347 if ($Coro::current == $Coro::main) {
348 my $time = Event::time;
349
294 # this is the main coro, too bad, we have to block 350 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 351 # till the operation succeeds, freezing the server :/
296 352
297 # TODO: use suspend/resume instead 353 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 354 # (but this is cancel-safe)
309 365
310 while ($busy) { 366 while ($busy) {
311 Coro::cede or Event::one_event; 367 Coro::cede or Event::one_event;
312 } 368 }
313 369
370 $time = Event::time - $time;
371
372 LOG llevError | logBacktrace, Carp::longmess "long sync job"
373 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375 $tick_start += $time; # do not account sync jobs to server load
376
314 wantarray ? @res : $res[0] 377 wantarray ? @res : $res[0]
315 } else { 378 } else {
316 # we are in another coroutine, how wonderful, everything just works 379 # we are in another coroutine, how wonderful, everything just works
317 380
318 $job->() 381 $job->()
319 } 382 }
320} 383}
321 384
322=item $coro = cf::async_ext { BLOCK } 385=item $coro = cf::async_ext { BLOCK }
323 386
324Like async, but this coro is automcatially being canceled when the 387Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 388extension calling this is being unloaded.
326 389
327=cut 390=cut
328 391
329sub async_ext(&) { 392sub async_ext(&) {
337 $EXT_CORO{$coro+0} = $coro; 400 $EXT_CORO{$coro+0} = $coro;
338 401
339 $coro 402 $coro
340} 403}
341 404
342sub write_runtime { 405=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 406
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 407Executes the given code block with the given arguments in a seperate
346 or return; 408process, returning the results. Everything must be serialisable with
409Coro::Storable. May, of course, block. Note that the executed sub may
410never block itself or use any form of Event handling.
347 411
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 412=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 413
352 aio_fsync $fh 414sub _store_scalar {
353 and return; 415 open my $fh, ">", \my $buf
354 416 or die "fork_call: cannot open fh-to-buf in child : $!";
417 Storable::store_fd $_[0], $fh;
355 close $fh 418 close $fh;
356 or return;
357 419
358 aio_rename "$runtime~", $runtime 420 $buf
359 and return; 421}
360 422
423sub fork_call(&@) {
424 my ($cb, @args) = @_;
425
426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
427# or die "socketpair: $!";
428 pipe my $fh1, my $fh2
429 or die "pipe: $!";
430
431 if (my $pid = fork) {
432 close $fh2;
433
434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435 warn "pst<$res>" unless $res =~ /^pst/;
436 $res = Coro::Storable::thaw $res;
437
438 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440 Carp::confess $$res unless "ARRAY" eq ref $res;
441
442 return wantarray ? @$res : $res->[-1];
443 } else {
444 reset_signals;
445 local $SIG{__WARN__};
446 local $SIG{__DIE__};
447 # just in case, this hack effectively disables event
448 # in the child. cleaner and slower would be canceling all watchers,
449 # but this works for the time being.
450 local $Coro::idle;
451 $Coro::current->prio (Coro::PRIO_MAX);
452
453 eval {
454 close $fh1;
455
456 my @res = eval { $cb->(@args) };
457
458 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459 close $fh2;
460 };
461
462 warn $@ if $@;
463 _exit 0;
361 1 464 }
465}
466
467=item $value = cf::db_get $family => $key
468
469Returns a single value from the environment database.
470
471=item cf::db_put $family => $key => $value
472
473Stores the given C<$value> in the family. It can currently store binary
474data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475
476=cut
477
478our $DB;
479
480sub db_init {
481 unless ($DB) {
482 $DB = BDB::db_create $DB_ENV;
483
484 cf::sync_job {
485 eval {
486 $DB->set_flags (BDB::CHKSUM);
487
488 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490 cf::cleanup "db_open(db): $!" if $!;
491 };
492 cf::cleanup "db_open(db): $@" if $@;
493 };
494 }
495}
496
497sub db_get($$) {
498 my $key = "$_[0]/$_[1]";
499
500 cf::sync_job {
501 BDB::db_get $DB, undef, $key, my $data;
502
503 $! ? ()
504 : $data
505 }
506}
507
508sub db_put($$$) {
509 BDB::dbreq_pri 4;
510 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
511}
512
513=item cf::cache $id => [$paths...], $processversion => $process
514
515Generic caching function that returns the value of the resource $id,
516caching and regenerating as required.
517
518This function can block.
519
520=cut
521
522sub cache {
523 my ($id, $src, $processversion, $process) = @_;
524
525 my $meta =
526 join "\x00",
527 $processversion,
528 map {
529 aio_stat $_
530 and Carp::croak "$_: $!";
531
532 ($_, (stat _)[7,9])
533 } @$src;
534
535 my $dbmeta = db_get cache => "$id/meta";
536 if ($dbmeta ne $meta) {
537 # changed, we may need to process
538
539 my @data;
540 my $md5;
541
542 for (0 .. $#$src) {
543 0 <= aio_load $src->[$_], $data[$_]
544 or Carp::croak "$src->[$_]: $!";
545 }
546
547 # if processing is expensive, check
548 # checksum first
549 if (1) {
550 $md5 =
551 join "\x00",
552 $processversion,
553 map {
554 Coro::cede;
555 ($src->[$_], Digest::MD5::md5_hex $data[$_])
556 } 0.. $#$src;
557
558
559 my $dbmd5 = db_get cache => "$id/md5";
560 if ($dbmd5 eq $md5) {
561 db_put cache => "$id/meta", $meta;
562
563 return db_get cache => "$id/data";
564 }
565 }
566
567 my $t1 = Time::HiRes::time;
568 my $data = $process->(\@data);
569 my $t2 = Time::HiRes::time;
570
571 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
572
573 db_put cache => "$id/data", $data;
574 db_put cache => "$id/md5" , $md5;
575 db_put cache => "$id/meta", $meta;
576
577 return $data;
578 }
579
580 db_get cache => "$id/data"
581}
582
583=item cf::datalog type => key => value, ...
584
585Log a datalog packet of the given type with the given key-value pairs.
586
587=cut
588
589sub datalog($@) {
590 my ($type, %kv) = @_;
591 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 592}
363 593
364=back 594=back
365 595
366=cut 596=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 597
495############################################################################# 598#############################################################################
496 599
497=head2 ATTACHABLE OBJECTS 600=head2 ATTACHABLE OBJECTS
498 601
500attach callbacks/event handlers (a collection of which is called an "attachment") 603attach callbacks/event handlers (a collection of which is called an "attachment")
501to it. All such attachable objects support the following methods. 604to it. All such attachable objects support the following methods.
502 605
503In the following description, CLASS can be any of C<global>, C<object> 606In the following description, CLASS can be any of C<global>, C<object>
504C<player>, C<client> or C<map> (i.e. the attachable objects in 607C<player>, C<client> or C<map> (i.e. the attachable objects in
505crossfire+). 608Crossfire TRT).
506 609
507=over 4 610=over 4
508 611
509=item $attachable->attach ($attachment, key => $value...) 612=item $attachable->attach ($attachment, key => $value...)
510 613
624our @CB_TYPE = (); # registry for type (cf-object class) based events 727our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 728our @CB_MAP = ();
626 729
627my %attachment; 730my %attachment;
628 731
732sub cf::attachable::thawer_merge {
733 # simply override everything except _meta
734 local $_[0]{_meta};
735 %{$_[0]} = %{$_[1]};
736}
737
629sub _attach_cb($$$$) { 738sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 739 my ($registry, $event, $prio, $cb) = @_;
631 740
632 use sort 'stable'; 741 use sort 'stable';
633 742
667 $registry = $CB_TYPE[$object_type] ||= []; 776 $registry = $CB_TYPE[$object_type] ||= [];
668 777
669 } elsif ($type eq "subtype") { 778 } elsif ($type eq "subtype") {
670 defined $object_type or Carp::croak "subtype specified without type"; 779 defined $object_type or Carp::croak "subtype specified without type";
671 my $object_subtype = shift @arg; 780 my $object_subtype = shift @arg;
672 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 781 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673 782
674 } elsif ($type eq "package") { 783 } elsif ($type eq "package") {
675 my $pkg = shift @arg; 784 my $pkg = shift @arg;
676 785
677 while (my ($name, $id) = each %cb_id) { 786 while (my ($name, $id) = each %cb_id) {
706 _attach $registry, $klass, @attach; 815 _attach $registry, $klass, @attach;
707 } 816 }
708 817
709 $obj->{$name} = \%arg; 818 $obj->{$name} = \%arg;
710 } else { 819 } else {
711 warn "object uses attachment '$name' that is not available, postponing.\n"; 820 warn "object uses attachment '$name' which is not available, postponing.\n";
712 } 821 }
713 822
714 $obj->{_attachment}{$name} = undef; 823 $obj->{_attachment}{$name} = undef;
715} 824}
716 825
718 if (ref $_[0]) { 827 if (ref $_[0]) {
719 _object_attach @_; 828 _object_attach @_;
720 } else { 829 } else {
721 _attach shift->_attach_registry, @_; 830 _attach shift->_attach_registry, @_;
722 } 831 }
832 _recalc_want;
723}; 833};
724 834
725# all those should be optimised 835# all those should be optimised
726sub cf::attachable::detach { 836sub cf::attachable::detach {
727 my ($obj, $name) = @_; 837 my ($obj, $name) = @_;
730 delete $obj->{_attachment}{$name}; 840 delete $obj->{_attachment}{$name};
731 reattach ($obj); 841 reattach ($obj);
732 } else { 842 } else {
733 Carp::croak "cannot, currently, detach class attachments"; 843 Carp::croak "cannot, currently, detach class attachments";
734 } 844 }
845 _recalc_want;
735}; 846};
736 847
737sub cf::attachable::attached { 848sub cf::attachable::attached {
738 my ($obj, $name) = @_; 849 my ($obj, $name) = @_;
739 850
804# object support 915# object support
805 916
806sub reattach { 917sub reattach {
807 # basically do the same as instantiate, without calling instantiate 918 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 919 my ($obj) = @_;
920
921 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 922
810 my $registry = $obj->registry; 923 my $registry = $obj->registry;
811 924
812 @$registry = (); 925 @$registry = ();
813 926
860 $filename, length $$rdata, scalar @$objs; 973 $filename, length $$rdata, scalar @$objs;
861 974
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 975 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 976 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 977 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 978 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 979 close $fh;
867 980
868 if (@$objs) { 981 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 982 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 983 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 984 my $data = Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 985 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 986 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 987 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 988 aio_rename "$filename.pst~", "$filename.pst";
876 } 989 }
877 } else { 990 } else {
878 aio_unlink "$filename.pst"; 991 aio_unlink "$filename.pst";
910 or return; 1023 or return;
911 $av = eval { (Storable::thaw $av)->{objs} }; 1024 $av = eval { (Storable::thaw $av)->{objs} };
912 } 1025 }
913 1026
914 warn sprintf "loading %s (%d)\n", 1027 warn sprintf "loading %s (%d)\n",
915 $filename, length $data, scalar @{$av || []};#d# 1028 $filename, length $data, scalar @{$av || []};
916 return ($data, $av); 1029 return ($data, $av);
917} 1030}
1031
1032=head2 COMMAND CALLBACKS
1033
1034=over 4
1035
1036=cut
918 1037
919############################################################################# 1038#############################################################################
920# command handling &c 1039# command handling &c
921 1040
922=item cf::register_command $name => \&callback($ob,$args); 1041=item cf::register_command $name => \&callback($ob,$args);
935 push @{ $COMMAND{$name} }, [$caller, $cb]; 1054 push @{ $COMMAND{$name} }, [$caller, $cb];
936} 1055}
937 1056
938=item cf::register_extcmd $name => \&callback($pl,$packet); 1057=item cf::register_extcmd $name => \&callback($pl,$packet);
939 1058
940Register a callbackf ro execution when the client sends an extcmd packet. 1059Register a callback for execution when the client sends an (synchronous)
1060extcmd packet. Ext commands will be processed in the order they are
1061received by the server, like other user commands. The first argument is
1062the logged-in player. Ext commands can only be processed after a player
1063has logged in successfully.
941 1064
942If the callback returns something, it is sent back as if reply was being 1065If the callback returns something, it is sent back as if reply was being
943called. 1066called.
944 1067
1068=item cf::register_exticmd $name => \&callback($ns,$packet);
1069
1070Register a callback for execution when the client sends an (asynchronous)
1071exticmd packet. Exti commands are processed by the server as soon as they
1072are received, i.e. out of order w.r.t. other commands. The first argument
1073is a client socket. Exti commands can be received anytime, even before
1074log-in.
1075
1076If the callback returns something, it is sent back as if reply was being
1077called.
1078
945=cut 1079=cut
946 1080
947sub register_extcmd { 1081sub register_extcmd {
948 my ($name, $cb) = @_; 1082 my ($name, $cb) = @_;
949 1083
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 1084 $EXTCMD{$name} = $cb;
1085}
1086
1087sub register_exticmd {
1088 my ($name, $cb) = @_;
1089
1090 $EXTICMD{$name} = $cb;
954} 1091}
955 1092
956cf::player->attach ( 1093cf::player->attach (
957 on_command => sub { 1094 on_command => sub {
958 my ($pl, $name, $params) = @_; 1095 my ($pl, $name, $params) = @_;
967 cf::override; 1104 cf::override;
968 }, 1105 },
969 on_extcmd => sub { 1106 on_extcmd => sub {
970 my ($pl, $buf) = @_; 1107 my ($pl, $buf) = @_;
971 1108
972 my $msg = eval { from_json $buf }; 1109 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973 1110
974 if (ref $msg) { 1111 if (ref $msg) {
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1112 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 1113 if (my %reply = $cb->($pl, $msg)) {
977 $pl->ext_reply ($msg->{msgid}, %reply); 1114 $pl->ext_reply ($msg->{msgid}, %reply);
978 } 1115 }
979 } 1116 }
980 } else { 1117 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1118 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
983 1120
984 cf::override; 1121 cf::override;
985 }, 1122 },
986); 1123);
987 1124
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension {
995 my ($path) = @_;
996
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1;
999 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg";
1002
1003 warn "loading '$path' into '$pkg'\n";
1004
1005 open my $fh, "<:utf8", $path
1006 or die "$path: $!";
1007
1008 my $source =
1009 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> })
1012 . "\n};\n1";
1013
1014 eval $source
1015 or die $@ ? "$path: $@\n"
1016 : "extension disabled.\n";
1017
1018 push @exts, $pkg;
1019 $ext_pkg{$base} = $pkg;
1020
1021# no strict 'refs';
1022# @{"$pkg\::ISA"} = ext::;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# }
1037
1038 # remove commands
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062}
1063
1064sub load_extensions { 1125sub load_extensions {
1126 cf::sync_job {
1127 my %todo;
1128
1065 for my $ext (<$LIBDIR/*.ext>) { 1129 for my $path (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 1130 next unless -r $path;
1067 eval { 1131
1068 load_extension $ext; 1132 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1133 my $base = $1;
1134 my $pkg = $1;
1135 $pkg =~ s/[^[:word:]]/_/g;
1136 $pkg = "ext::$pkg";
1137
1138 open my $fh, "<:utf8", $path
1139 or die "$path: $!";
1140
1141 my $source = do { local $/; <$fh> };
1142
1143 my %ext = (
1144 path => $path,
1145 base => $base,
1146 pkg => $pkg,
1147 );
1148
1149 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151
1152 $ext{source} =
1153 "package $pkg; use strict; use utf8;\n"
1154 . "#line 1 \"$path\"\n{\n"
1155 . $source
1156 . "\n};\n1";
1157
1158 $todo{$base} = \%ext;
1159 }
1160
1161 my %done;
1162 while (%todo) {
1163 my $progress;
1164
1165 while (my ($k, $v) = each %todo) {
1166 for (split /,\s*/, $v->{meta}{depends}) {
1167 goto skip
1168 unless exists $done{$_};
1169 }
1170
1171 warn "... loading '$k' into '$v->{pkg}'\n";
1172
1173 unless (eval $v->{source}) {
1174 my $msg = $@ ? "$v->{path}: $@\n"
1175 : "$v->{base}: extension inactive.\n";
1176
1177 if (exists $v->{meta}{mandatory}) {
1178 warn $msg;
1179 warn "mandatory extension failed to load, exiting.\n";
1180 exit 1;
1181 }
1182
1183 warn $msg;
1184 }
1185
1186 $done{$k} = delete $todo{$k};
1187 push @EXTS, $v->{pkg};
1188 $progress = 1;
1069 1 1189 }
1070 } or warn "$ext not loaded: $@"; 1190
1191 skip:
1192 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1193 unless $progress;
1194 }
1071 } 1195 };
1072} 1196}
1073 1197
1074############################################################################# 1198#############################################################################
1075# load/save/clean perl data associated with a map
1076 1199
1077*cf::mapsupport::on_clean = sub { 1200=back
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 1201
1090=head2 CORE EXTENSIONS 1202=head2 CORE EXTENSIONS
1091 1203
1092Functions and methods that extend core crossfire objects. 1204Functions and methods that extend core crossfire objects.
1093 1205
1106Returns the given player object, loading it if necessary (might block). 1218Returns the given player object, loading it if necessary (might block).
1107 1219
1108=cut 1220=cut
1109 1221
1110sub playerdir($) { 1222sub playerdir($) {
1111 cf::localdir 1223 "$PLAYERDIR/"
1112 . "/"
1113 . cf::playerdir
1114 . "/"
1115 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1224 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1116} 1225}
1117 1226
1118sub path($) { 1227sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1228 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 1229
1121 (playerdir $login) . "/$login.pl" 1230 (playerdir $login) . "/playerdata"
1122} 1231}
1123 1232
1124sub find_active($) { 1233sub find_active($) {
1125 $cf::PLAYER{$_[0]} 1234 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 1235 and $cf::PLAYER{$_[0]}->active
1129 1238
1130sub exists($) { 1239sub exists($) {
1131 my ($login) = @_; 1240 my ($login) = @_;
1132 1241
1133 $cf::PLAYER{$login} 1242 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 1243 or cf::sync_job { !aio_stat path $login }
1135} 1244}
1136 1245
1137sub find($) { 1246sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 1247 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 1248 my $login = $_[0];
1140 1249
1141 my $guard = cf::lock_acquire "user_find:$login"; 1250 my $guard = cf::lock_acquire "user_find:$login";
1142 1251
1143 $cf::PLAYER{$_[0]} || do { 1252 $cf::PLAYER{$_[0]} || do {
1253 # rename old playerfiles to new ones
1254 #TODO: remove when no longer required
1255 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258 aio_unlink +(playerdir $login) . "/$login.pl";
1259
1144 my $pl = load_pl path $login 1260 my $pl = load_pl path $login
1145 or return; 1261 or return;
1146 $cf::PLAYER{$login} = $pl 1262 $cf::PLAYER{$login} = $pl
1147 } 1263 }
1148 } 1264 }
1185 1301
1186=cut 1302=cut
1187 1303
1188sub quit_character { 1304sub quit_character {
1189 my ($pl) = @_; 1305 my ($pl) = @_;
1306
1307 my $name = $pl->ob->name;
1190 1308
1191 $pl->{deny_save} = 1; 1309 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1310 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1311
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1312 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1199 my $path = playerdir $pl; 1317 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1318 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1319 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1320 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1321 $pl->destroy;
1322
1323 my $prefix = qr<^~\Q$name\E/>;
1324
1325 # nuke player maps
1326 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1327
1204 IO::AIO::aio_rmtree $temp; 1328 IO::AIO::aio_rmtree $temp;
1329}
1330
1331=item $pl->kick
1332
1333Kicks a player out of the game. This destroys the connection.
1334
1335=cut
1336
1337sub kick {
1338 my ($pl, $kicker) = @_;
1339
1340 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1341 $pl->killer ("kicked");
1342 $pl->ns->destroy;
1205} 1343}
1206 1344
1207=item cf::player::list_logins 1345=item cf::player::list_logins
1208 1346
1209Returns am arrayref of all valid playernames in the system, can take a 1347Returns am arrayref of all valid playernames in the system, can take a
1210while and may block, so not sync_job-capable, ever. 1348while and may block, so not sync_job-capable, ever.
1211 1349
1212=cut 1350=cut
1213 1351
1214sub list_logins { 1352sub list_logins {
1215 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1353 my $dirs = aio_readdir $PLAYERDIR
1216 or return []; 1354 or return [];
1217 1355
1218 my @logins; 1356 my @logins;
1219 1357
1220 for my $login (@$dirs) { 1358 for my $login (@$dirs) {
1229 \@logins 1367 \@logins
1230} 1368}
1231 1369
1232=item $player->maps 1370=item $player->maps
1233 1371
1234Returns an arrayref of cf::path's of all maps that are private for this 1372Returns an arrayref of map paths that are private for this
1235player. May block. 1373player. May block.
1236 1374
1237=cut 1375=cut
1238 1376
1239sub maps($) { 1377sub maps($) {
1240 my ($pl) = @_; 1378 my ($pl) = @_;
1379
1380 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1381
1242 my $files = aio_readdir playerdir $pl 1382 my $files = aio_readdir playerdir $pl
1243 or return; 1383 or return;
1244 1384
1245 my @paths; 1385 my @paths;
1247 for (@$files) { 1387 for (@$files) {
1248 utf8::decode $_; 1388 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1389 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1390 next unless /^$PATH_SEP/o;
1251 1391
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1392 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1393 }
1254 1394
1255 \@paths 1395 \@paths
1256} 1396}
1257 1397
1398=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1399
1400Expand crossfire pod fragments into protocol xml.
1401
1402=cut
1403
1404sub expand_cfpod {
1405 ((my $self), (local $_)) = @_;
1406
1407 # escape & and <
1408 s/&/&amp;/g;
1409 s/(?<![BIUGH])</&lt;/g;
1410
1411 # this is buggy, it needs to properly take care of nested <'s
1412
1413 1 while
1414 # replace B<>, I<>, U<> etc.
1415 s/B<([^\>]*)>/<b>$1<\/b>/
1416 || s/I<([^\>]*)>/<i>$1<\/i>/
1417 || s/U<([^\>]*)>/<u>$1<\/u>/
1418 # replace G<male|female> tags
1419 || s{G<([^>|]*)\|([^>]*)>}{
1420 $self->gender ? $2 : $1
1421 }ge
1422 # replace H<hint text>
1423 || s{H<([^\>]*)>}
1424 {
1425 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427 "")
1428 [$self->{hintmode}]
1429 }ge;
1430
1431 # create single paragraphs (very hackish)
1432 s/(?<=\S)\n(?=\w)/ /g;
1433
1434 # compress some whitespace
1435 s/\s+\n/\n/g; # ws line-ends
1436 s/\n\n+/\n/g; # double lines
1437 s/^\n+//; # beginning lines
1438 s/\n+$//; # ending lines
1439
1440 $_
1441}
1442
1443sub hintmode {
1444 $_[0]{hintmode} = $_[1] if @_ > 1;
1445 $_[0]{hintmode}
1446}
1447
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1448=item $player->ext_reply ($msgid, %msg)
1259 1449
1260Sends an ext reply to the player. 1450Sends an ext reply to the player.
1261 1451
1262=cut 1452=cut
1263 1453
1264sub ext_reply($$$%) { 1454sub ext_reply($$%) {
1265 my ($self, $id, %msg) = @_; 1455 my ($self, $id, %msg) = @_;
1266 1456
1267 $msg{msgid} = $id; 1457 $msg{msgid} = $id;
1268 1458 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1269 $self->send ("ext " . cf::to_json \%msg);
1270} 1459}
1271 1460
1272package cf; 1461=item $player->ext_event ($type, %msg)
1462
1463Sends an ext event to the client.
1464
1465=cut
1466
1467sub ext_event($$%) {
1468 my ($self, $type, %msg) = @_;
1469
1470 $self->ns->ext_event ($type, %msg);
1471}
1472
1473=head3 cf::region
1474
1475=over 4
1476
1477=cut
1478
1479package cf::region;
1480
1481=item cf::region::find_by_path $path
1482
1483Tries to decuce the likely region for a map knowing only its path.
1484
1485=cut
1486
1487sub find_by_path($) {
1488 my ($path) = @_;
1489
1490 my ($match, $specificity);
1491
1492 for my $region (list) {
1493 if ($region->match && $path =~ $region->match) {
1494 ($match, $specificity) = ($region, $region->specificity)
1495 if $region->specificity > $specificity;
1496 }
1497 }
1498
1499 $match
1500}
1273 1501
1274=back 1502=back
1275
1276 1503
1277=head3 cf::map 1504=head3 cf::map
1278 1505
1279=over 4 1506=over 4
1280 1507
1283package cf::map; 1510package cf::map;
1284 1511
1285use Fcntl; 1512use Fcntl;
1286use Coro::AIO; 1513use Coro::AIO;
1287 1514
1515use overload
1516 '""' => \&as_string,
1517 fallback => 1;
1518
1288our $MAX_RESET = 3600; 1519our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1520our $DEFAULT_RESET = 3000;
1290 1521
1291sub generate_random_map { 1522sub generate_random_map {
1292 my ($path, $rmp) = @_; 1523 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1524 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1525 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1526 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1527 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1528 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1529 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1530 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1531 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1532 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1533 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1534 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1535 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1536 (cf::region::find $rmp->{region}), $rmp->{custom}
1537 )
1538}
1539
1540=item cf::map->register ($regex, $prio)
1541
1542Register a handler for the map path matching the given regex at the
1543givne priority (higher is better, built-in handlers have priority 0, the
1544default).
1545
1546=cut
1547
1548sub register {
1549 my (undef, $regex, $prio) = @_;
1550 my $pkg = caller;
1551
1552 no strict;
1553 push @{"$pkg\::ISA"}, __PACKAGE__;
1554
1555 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556}
1557
1558# also paths starting with '/'
1559$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1560
1561sub thawer_merge {
1562 my ($self, $merge) = @_;
1563
1564 # we have to keep some variables in memory intact
1565 local $self->{path};
1566 local $self->{load_path};
1567
1568 $self->SUPER::thawer_merge ($merge);
1569}
1570
1571sub normalise {
1572 my ($path, $base) = @_;
1573
1574 $path = "$path"; # make sure its a string
1575
1576 $path =~ s/\.map$//;
1577
1578 # map plan:
1579 #
1580 # /! non-realised random map exit (special hack!)
1581 # {... are special paths that are not being touched
1582 # ?xxx/... are special absolute paths
1583 # ?random/... random maps
1584 # /... normal maps
1585 # ~user/... per-player map of a specific user
1586
1587 $path =~ s/$PATH_SEP/\//go;
1588
1589 # treat it as relative path if it starts with
1590 # something that looks reasonable
1591 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1592 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1593
1594 $base =~ s{[^/]+/?$}{};
1595 $path = "$base/$path";
1596 }
1597
1598 for ($path) {
1599 redo if s{//}{/};
1600 redo if s{/\.?/}{/};
1601 redo if s{/[^/]+/\.\./}{/};
1602 }
1603
1604 $path
1605}
1606
1607sub new_from_path {
1608 my (undef, $path, $base) = @_;
1609
1610 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1611
1612 $path = normalise $path, $base;
1613
1614 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1615 if ($path =~ $EXT_MAP{$pkg}[1]) {
1616 my $self = bless cf::map::new, $pkg;
1617 $self->{path} = $path; $self->path ($path);
1618 $self->init; # pass $1 etc.
1619 return $self;
1620 }
1621 }
1622
1623 Carp::carp "unable to resolve path '$path' (base '$base').";
1624 ()
1625}
1626
1627sub init {
1628 my ($self) = @_;
1629
1630 $self
1631}
1632
1633sub as_string {
1634 my ($self) = @_;
1635
1636 "$self->{path}"
1637}
1638
1639# the displayed name, this is a one way mapping
1640sub visible_name {
1641 &as_string
1642}
1643
1644# the original (read-only) location
1645sub load_path {
1646 my ($self) = @_;
1647
1648 "$MAPDIR/$self->{path}.map"
1649}
1650
1651# the temporary/swap location
1652sub save_path {
1653 my ($self) = @_;
1654
1655 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1656 "$TMPDIR/$path.map"
1657}
1658
1659# the unique path, undef == no special unique path
1660sub uniq_path {
1661 my ($self) = @_;
1662
1663 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1664 "$UNIQUEDIR/$path"
1308} 1665}
1309 1666
1310# and all this just because we cannot iterate over 1667# and all this just because we cannot iterate over
1311# all maps in C++... 1668# all maps in C++...
1312sub change_all_map_light { 1669sub change_all_map_light {
1314 1671
1315 $_->change_map_light ($change) 1672 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1673 for grep $_->outdoor, values %cf::MAP;
1317} 1674}
1318 1675
1676sub decay_objects {
1677 my ($self) = @_;
1678
1679 return if $self->{deny_reset};
1680
1681 $self->do_decay_objects;
1682}
1683
1684sub unlink_save {
1685 my ($self) = @_;
1686
1687 utf8::encode (my $save = $self->save_path);
1688 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1689 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1690}
1691
1319sub try_load_header($) { 1692sub load_header_from($) {
1320 my ($path) = @_; 1693 my ($self, $path) = @_;
1321 1694
1322 utf8::encode $path; 1695 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1696 #aio_open $path, O_RDONLY, 0
1697 # or return;
1698
1699 $self->_load_header ($path)
1324 or return; 1700 or return;
1325 1701
1326 my $map = cf::map::new 1702 $self->{load_path} = $path;
1703
1704 1
1705}
1706
1707sub load_header_orig {
1708 my ($self) = @_;
1709
1710 $self->load_header_from ($self->load_path)
1711}
1712
1713sub load_header_temp {
1714 my ($self) = @_;
1715
1716 $self->load_header_from ($self->save_path)
1717}
1718
1719sub prepare_temp {
1720 my ($self) = @_;
1721
1722 $self->last_access ((delete $self->{last_access})
1723 || $cf::RUNTIME); #d#
1724 # safety
1725 $self->{instantiate_time} = $cf::RUNTIME
1726 if $self->{instantiate_time} > $cf::RUNTIME;
1727}
1728
1729sub prepare_orig {
1730 my ($self) = @_;
1731
1732 $self->{load_original} = 1;
1733 $self->{instantiate_time} = $cf::RUNTIME;
1734 $self->last_access ($cf::RUNTIME);
1735 $self->instantiate;
1736}
1737
1738sub load_header {
1739 my ($self) = @_;
1740
1741 if ($self->load_header_temp) {
1742 $self->prepare_temp;
1743 } else {
1744 $self->load_header_orig
1327 or return; 1745 or return;
1746 $self->prepare_orig;
1747 }
1328 1748
1329 # for better error messages only, will be overwritten 1749 $self->{deny_reset} = 1
1330 $map->path ($path); 1750 if $self->no_reset;
1331 1751
1332 $map->load_header ($path) 1752 $self->default_region (cf::region::find_by_path $self->{path})
1333 or return; 1753 unless $self->default_region;
1334 1754
1335 $map->{load_path} = $path; 1755 1
1336
1337 $map
1338} 1756}
1339 1757
1340sub find; 1758sub find;
1341sub find { 1759sub find {
1342 my ($path, $origin) = @_; 1760 my ($path, $origin) = @_;
1343 1761
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1762 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1763
1349 cf::lock_wait "map_find:$key"; 1764 cf::lock_wait "map_find:$path";
1350 1765
1351 $cf::MAP{$key} || do { 1766 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1767 my $guard = cf::lock_acquire "map_find:$path";
1353 1768 my $map = new_from_path cf::map $path
1354 # do it the slow way
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1769 or return;
1373 1770
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1771 $map->{last_save} = $cf::RUNTIME;
1386 1772
1387 Coro::cede; 1773 $map->load_header
1774 or return;
1388 1775
1389 if ($map->should_reset) { 1776 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777 # doing this can freeze the server in a sync job, obviously
1778 #$cf::WAIT_FOR_TICK->wait;
1390 $map->reset; 1779 $map->reset;
1391 undef $guard; 1780 undef $guard;
1392 $map = find $path 1781 return find $path;
1393 or return;
1394 } 1782 }
1395 1783
1396 $cf::MAP{$key} = $map 1784 $cf::MAP{$path} = $map
1397 } 1785 }
1398} 1786}
1787
1788sub pre_load { }
1789sub post_load { }
1399 1790
1400sub load { 1791sub load {
1401 my ($self) = @_; 1792 my ($self) = @_;
1402 1793
1794 local $self->{deny_reset} = 1; # loading can take a long time
1795
1403 my $path = $self->{path}; 1796 my $path = $self->{path};
1797
1798 {
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1799 my $guard = cf::lock_acquire "map_load:$path";
1405 1800
1406 return if $self->in_memory != cf::MAP_SWAPPED; 1801 return if $self->in_memory != cf::MAP_SWAPPED;
1407 1802
1408 $self->in_memory (cf::MAP_LOADING); 1803 $self->in_memory (cf::MAP_LOADING);
1409 1804
1410 $self->alloc; 1805 $self->alloc;
1806
1807 $self->pre_load;
1808 Coro::cede;
1809
1411 $self->load_objects ($self->{load_path}, 1) 1810 $self->_load_objects ($self->{load_path}, 1)
1412 or return; 1811 or return;
1413 1812
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1813 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 1814 if delete $self->{load_original};
1416 1815
1417 if (my $uniq = $path->uniq_path) { 1816 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 1817 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 1818 if (aio_open $uniq, O_RDONLY, 0) {
1420 $self->clear_unique_items; 1819 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 1820 $self->_load_objects ($uniq, 0);
1422 } 1821 }
1423 } 1822 }
1424 1823
1425 Coro::cede; 1824 Coro::cede;
1426
1427 # now do the right thing for maps 1825 # now do the right thing for maps
1428 $self->link_multipart_objects; 1826 $self->link_multipart_objects;
1429
1430 if ($self->{path}->is_style_map) {
1431 $self->{deny_save} = 1;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons;
1437 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 1827 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 1828 unless $self->difficulty;
1829 Coro::cede;
1830
1831 unless ($self->{deny_activate}) {
1832 $self->decay_objects;
1833 $self->fix_auto_apply;
1834 $self->update_buttons;
1835 Coro::cede;
1836 $self->set_darkness_map;
1837 Coro::cede;
1440 $self->activate; 1838 $self->activate;
1441 } 1839 }
1442 1840
1443 Coro::cede;
1444
1445 $self->in_memory (cf::MAP_IN_MEMORY); 1841 $self->in_memory (cf::MAP_IN_MEMORY);
1842 }
1843
1844 $self->post_load;
1845}
1846
1847sub customise_for {
1848 my ($self, $ob) = @_;
1849
1850 return find "~" . $ob->name . "/" . $self->{path}
1851 if $self->per_player;
1852
1853# return find "?party/" . $ob->name . "/" . $self->{path}
1854# if $self->per_party;
1855
1856 $self
1446} 1857}
1447 1858
1448# find and load all maps in the 3x3 area around a map 1859# find and load all maps in the 3x3 area around a map
1449sub load_diag { 1860sub load_diag {
1450 my ($map) = @_; 1861 my ($map) = @_;
1480 1891
1481 cf::sync_job { $map->load }; 1892 cf::sync_job { $map->load };
1482} 1893}
1483 1894
1484our %MAP_PREFETCH; 1895our %MAP_PREFETCH;
1485our $MAP_PREFETCHER = Coro::async { 1896our $MAP_PREFETCHER = undef;
1486 while () {
1487 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH
1489 or next;
1490 my $path = delete $MAP_PREFETCH{$key};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 }
1496 Coro::schedule;
1497 }
1498};
1499 1897
1500sub find_async { 1898sub find_async {
1501 my ($path, $origin) = @_; 1899 my ($path, $origin) = @_;
1502 1900
1503 $path = new cf::path $path, $origin && $origin->path; 1901 $path = normalise $path, $origin && $origin->{path};
1504 my $key = $path->as_string;
1505 1902
1506 if (my $map = $cf::MAP{$key}) { 1903 if (my $map = $cf::MAP{$path}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1904 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 } 1905 }
1509 1906
1510 $MAP_PREFETCH{$key} = $path; 1907 undef $MAP_PREFETCH{$path};
1908 $MAP_PREFETCHER ||= cf::async {
1909 while (%MAP_PREFETCH) {
1910 for my $path (keys %MAP_PREFETCH) {
1911 my $map = find $path
1912 or next;
1913 $map->load;
1914
1915 delete $MAP_PREFETCH{$path};
1916 }
1917 }
1918 undef $MAP_PREFETCHER;
1919 };
1511 $MAP_PREFETCHER->ready; 1920 $MAP_PREFETCHER->prio (6);
1512 1921
1513 () 1922 ()
1514} 1923}
1515 1924
1516sub save { 1925sub save {
1520 1929
1521 $self->{last_save} = $cf::RUNTIME; 1930 $self->{last_save} = $cf::RUNTIME;
1522 1931
1523 return unless $self->dirty; 1932 return unless $self->dirty;
1524 1933
1525 my $save = $self->{path}->save_path; utf8::encode $save; 1934 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1935 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 1936
1528 $self->{load_path} = $save; 1937 $self->{load_path} = $save;
1529 1938
1530 return if $self->{deny_save}; 1939 return if $self->{deny_save};
1531 1940
1534 cf::async { 1943 cf::async {
1535 $_->contr->save for $self->players; 1944 $_->contr->save for $self->players;
1536 }; 1945 };
1537 1946
1538 if ($uniq) { 1947 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1948 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 1949 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 1950 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1951 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 1952 }
1544} 1953}
1545 1954
1546sub swap_out { 1955sub swap_out {
1547 my ($self) = @_; 1956 my ($self) = @_;
1561 1970
1562sub reset_at { 1971sub reset_at {
1563 my ($self) = @_; 1972 my ($self) = @_;
1564 1973
1565 # TODO: safety, remove and allow resettable per-player maps 1974 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel};
1567 return 1e99 if $self->{deny_reset}; 1975 return 1e99 if $self->{deny_reset};
1568 1976
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1977 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1978 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 1979
1576 my ($self) = @_; 1984 my ($self) = @_;
1577 1985
1578 $self->reset_at <= $cf::RUNTIME 1986 $self->reset_at <= $cf::RUNTIME
1579} 1987}
1580 1988
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 1989sub reset {
1603 my ($self) = @_; 1990 my ($self) = @_;
1604 1991
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 1992 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1993
1607 return if $self->players; 1994 return if $self->players;
1608 return if $self->{path}{user_rel};#d#
1609 1995
1610 warn "resetting map ", $self->path;#d# 1996 warn "resetting map ", $self->path;
1997
1998 $self->in_memory (cf::MAP_SWAPPED);
1999
2000 # need to save uniques path
2001 unless ($self->{deny_save}) {
2002 my $uniq = $self->uniq_path; utf8::encode $uniq;
2003
2004 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2005 if $uniq;
2006 }
1611 2007
1612 delete $cf::MAP{$self->path}; 2008 delete $cf::MAP{$self->path};
2009
2010 $self->clear;
1613 2011
1614 $_->clear_links_to ($self) for values %cf::MAP; 2012 $_->clear_links_to ($self) for values %cf::MAP;
1615 2013
1616 $self->unlink_save; 2014 $self->unlink_save;
1617 $self->destroy; 2015 $self->destroy;
1620my $nuke_counter = "aaaa"; 2018my $nuke_counter = "aaaa";
1621 2019
1622sub nuke { 2020sub nuke {
1623 my ($self) = @_; 2021 my ($self) = @_;
1624 2022
2023 delete $cf::MAP{$self->path};
2024
2025 $self->unlink_save;
2026
2027 bless $self, "cf::map";
2028 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 2029 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 2030 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 2031 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032
2033 $cf::MAP{$self->path} = $self;
2034
1628 $self->reset; # polite request, might not happen 2035 $self->reset; # polite request, might not happen
1629} 2036}
1630 2037
1631sub customise_for { 2038=item $maps = cf::map::tmp_maps
1632 my ($map, $ob) = @_;
1633 2039
1634 if ($map->per_player) { 2040Returns an arrayref with all map paths of currently instantiated and saved
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2041maps. May block.
2042
2043=cut
2044
2045sub tmp_maps() {
1636 } 2046 [
2047 map {
2048 utf8::decode $_;
2049 /\.map$/
2050 ? normalise $_
2051 : ()
2052 } @{ aio_readdir $TMPDIR or [] }
2053 ]
2054}
1637 2055
1638 $map 2056=item $maps = cf::map::random_maps
2057
2058Returns an arrayref with all map paths of currently instantiated and saved
2059random maps. May block.
2060
2061=cut
2062
2063sub random_maps() {
2064 [
2065 map {
2066 utf8::decode $_;
2067 /\.map$/
2068 ? normalise "?random/$_"
2069 : ()
2070 } @{ aio_readdir $RANDOMDIR or [] }
2071 ]
1639} 2072}
1640 2073
1641=item cf::map::unique_maps 2074=item cf::map::unique_maps
1642 2075
1643Returns an arrayref of cf::path's of all shared maps that have 2076Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 2077instantiated unique items. May block.
1645 2078
1646=cut 2079=cut
1647 2080
1648sub unique_maps() { 2081sub unique_maps() {
1649 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2082 [
1650 or return; 2083 map {
1651
1652 my @paths;
1653
1654 for (@$files) {
1655 utf8::decode $_; 2084 utf8::decode $_;
1656 next if /\.pst$/; 2085 /\.map$/
1657 next unless /^$PATH_SEP/o; 2086 ? normalise $_
1658 2087 : ()
1659 push @paths, new cf::path $_; 2088 } @{ aio_readdir $UNIQUEDIR or [] }
1660 } 2089 ]
1661
1662 \@paths
1663} 2090}
1664 2091
1665package cf; 2092package cf;
1666 2093
1667=back 2094=back
1713 2140
1714 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2141 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715 2142
1716 if ($self->{record_replies}) { 2143 if ($self->{record_replies}) {
1717 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2144 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2145
1718 } else { 2146 } else {
2147 my $pl = $self->contr;
2148
2149 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150 my $diag = $pl->{npc_dialog};
2151 $diag->{pl}->ext_reply (
2152 $diag->{id},
2153 msgtype => "reply",
2154 msg => $diag->{pl}->expand_cfpod ($msg),
2155 add_topics => []
2156 );
2157
2158 } else {
1719 $msg = $npc->name . " says: $msg" if $npc; 2159 $msg = $npc->name . " says: $msg" if $npc;
1720 $self->message ($msg, $flags); 2160 $self->message ($msg, $flags);
2161 }
1721 } 2162 }
1722} 2163}
1723 2164
1724=item $player_object->may ("access") 2165=item $player_object->may ("access")
1725 2166
1739 2180
1740=item $player_object->enter_link 2181=item $player_object->enter_link
1741 2182
1742Freezes the player and moves him/her to a special map (C<{link}>). 2183Freezes the player and moves him/her to a special map (C<{link}>).
1743 2184
1744The player should be reaosnably safe there for short amounts of time. You 2185The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 2186I<MUST> call C<leave_link> as soon as possible, though.
1746 2187
2188Will never block.
2189
1747=item $player_object->leave_link ($map, $x, $y) 2190=item $player_object->leave_link ($map, $x, $y)
1748 2191
1749Moves the player out of the specila link map onto the given map. If the 2192Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 2193map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 2194to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 2195fails, to the emergency map position.
1753 2196
1754Might block. 2197Might block.
1755 2198
1756=cut 2199=cut
2200
2201sub link_map {
2202 unless ($LINK_MAP) {
2203 $LINK_MAP = cf::map::find "{link}"
2204 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2205 $LINK_MAP->load;
2206 }
2207
2208 $LINK_MAP
2209}
1757 2210
1758sub cf::object::player::enter_link { 2211sub cf::object::player::enter_link {
1759 my ($self) = @_; 2212 my ($self) = @_;
1760 2213
1761 $self->deactivate_recursive; 2214 $self->deactivate_recursive;
1762 2215
1763 return if $self->map == $LINK_MAP; 2216 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 2217
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2218 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 2219 if $self->map && $self->map->{path} ne "{link}";
1767 2220
1768 $self->enter_map ($LINK_MAP, 20, 20); 2221 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 2222}
1770 2223
1771sub cf::object::player::leave_link { 2224sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 2225 my ($self, $map, $x, $y) = @_;
2226
2227 return unless $self->contr->active;
1773 2228
1774 my $link_pos = delete $self->{_link_pos}; 2229 my $link_pos = delete $self->{_link_pos};
1775 2230
1776 unless ($map) { 2231 unless ($map) {
1777 # restore original map position 2232 # restore original map position
1795 $map->load; 2250 $map->load;
1796 $map->load_diag; 2251 $map->load_diag;
1797 2252
1798 return unless $self->contr->active; 2253 return unless $self->contr->active;
1799 $self->activate_recursive; 2254 $self->activate_recursive;
2255
2256 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 2257 $self->enter_map ($map, $x, $y);
1801} 2258}
1802 2259
1803cf::player->attach (
1804 on_logout => sub {
1805 my ($pl) = @_;
1806
1807 # abort map switching before logout
1808 if ($pl->ob->{_link_pos}) {
1809 cf::sync_job {
1810 $pl->ob->leave_link
1811 };
1812 }
1813 },
1814 on_login => sub {
1815 my ($pl) = @_;
1816
1817 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link;
1821 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED);
1828 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link;
1830 })->prio (2);
1831 }
1832 },
1833);
1834
1835=item $player_object->goto ($path, $x, $y) 2260=item $player_object->goto ($path, $x, $y[, $check->($map)])
1836 2261
2262Moves the player to the given map-path and coordinates by first freezing
2263her, loading and preparing them map, calling the provided $check callback
2264that has to return the map if sucecssful, and then unfreezes the player on
2265the new (success) or old (failed) map position.
2266
1837=cut 2267=cut
2268
2269our $GOTOGEN;
1838 2270
1839sub cf::object::player::goto { 2271sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 2272 my ($self, $path, $x, $y, $check) = @_;
1841 2273
1842 $path = new cf::path $path; 2274 # do generation counting so two concurrent goto's will be executed in-order
2275 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843 2276
1844 $self->enter_link; 2277 $self->enter_link;
1845 2278
1846 (async { 2279 (async {
2280 my $map = eval {
1847 my $map = cf::map::find $path->as_string; 2281 my $map = cf::map::find $path;
2282
2283 if ($map) {
1848 $map = $map->customise_for ($self) if $map; 2284 $map = $map->customise_for ($self);
1849 2285 $map = $check->($map) if $check && $map;
1850# warn "entering ", $map->path, " at ($x, $y)\n" 2286 } else {
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2287 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2288 }
1854 2289
2290 $map
2291 };
2292
2293 if ($@) {
2294 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2295 LOG llevError | logBacktrace, Carp::longmess $@;
2296 }
2297
2298 if ($gen == $self->{_goto_generation}) {
2299 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2300 $self->leave_link ($map, $x, $y);
2301 }
1856 })->prio (1); 2302 })->prio (1);
1857} 2303}
1858 2304
1859=item $player_object->enter_exit ($exit_object) 2305=item $player_object->enter_exit ($exit_object)
1860 2306
1862 2308
1863sub parse_random_map_params { 2309sub parse_random_map_params {
1864 my ($spec) = @_; 2310 my ($spec) = @_;
1865 2311
1866 my $rmp = { # defaults 2312 my $rmp = { # defaults
1867 xsize => 10, 2313 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 2314 ysize => (cf::rndm 15, 40),
2315 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2316 #layout => string,
1869 }; 2317 };
1870 2318
1871 for (split /\n/, $spec) { 2319 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 2320 my ($k, $v) = split /\s+/, $_, 2;
1873 2321
1877 $rmp 2325 $rmp
1878} 2326}
1879 2327
1880sub prepare_random_map { 2328sub prepare_random_map {
1881 my ($exit) = @_; 2329 my ($exit) = @_;
2330
2331 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 2332
1883 # all this does is basically replace the /! path by 2333 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 2334 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 2335 # that depends on the exit object
1886 2336
1887 my $rmp = parse_random_map_params $exit->msg; 2337 my $rmp = parse_random_map_params $exit->msg;
1888 2338
1889 if ($exit->map) { 2339 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 2340 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 2341 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 2342 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 2343 $rmp->{origin_y} = $exit->y;
1894 } 2344 }
1895 2345
1896 $rmp->{random_seed} ||= $exit->random_seed; 2346 $rmp->{random_seed} ||= $exit->random_seed;
1897 2347
1898 my $data = cf::to_json $rmp; 2348 my $data = cf::to_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 2349 my $md5 = Digest::MD5::md5_hex $data;
2350 my $meta = "$RANDOMDIR/$md5.meta";
1900 2351
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2352 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 2353 aio_write $fh, 0, (length $data), $data, 0;
2354 undef $fh;
2355 aio_rename "$meta~", $meta;
1903 2356
1904 $exit->slaying ("?random/$md5"); 2357 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 2358 $exit->msg (undef);
1906 } 2359 }
1907} 2360}
1909sub cf::object::player::enter_exit { 2362sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 2363 my ($self, $exit) = @_;
1911 2364
1912 return unless $self->type == cf::PLAYER; 2365 return unless $self->type == cf::PLAYER;
1913 2366
2367 if ($exit->slaying eq "/!") {
2368 #TODO: this should de-fi-ni-te-ly not be a sync-job
2369 # the problem is that $exit might not survive long enough
2370 # so it needs to be done right now, right here
2371 cf::sync_job { prepare_random_map $exit };
2372 }
2373
2374 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375 my $hp = $exit->stats->hp;
2376 my $sp = $exit->stats->sp;
2377
1914 $self->enter_link; 2378 $self->enter_link;
2379
2380 # if exit is damned, update players death & WoR home-position
2381 $self->contr->savebed ($slaying, $hp, $sp)
2382 if $exit->flag (FLAG_DAMNED);
1915 2383
1916 (async { 2384 (async {
1917 $self->deactivate_recursive; # just to be sure 2385 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 2386 unless (eval {
1919 prepare_random_map $exit 2387 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 2388
1925 1; 2389 1;
1926 }) { 2390 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 2391 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 2392 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 2393 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2394 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2395
1932 warn "ERROR in enter_exit: $@"; 2396 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2397 $self->leave_link;
1934 } 2398 }
1935 })->prio (1); 2399 })->prio (1);
1948 2412
1949sub cf::client::send_drawinfo { 2413sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2414 my ($self, $text, $flags) = @_;
1951 2415
1952 utf8::encode $text; 2416 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2417 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2418}
1955 2419
2420=item $client->send_msg ($color, $type, $msg, [extra...])
2421
2422Send a drawinfo or msg packet to the client, formatting the msg for the
2423client if neccessary. C<$type> should be a string identifying the type of
2424the message, with C<log> being the default. If C<$color> is negative, suppress
2425the message unless the client supports the msg packet.
2426
2427=cut
2428
2429sub cf::client::send_msg {
2430 my ($self, $color, $type, $msg, @extra) = @_;
2431
2432 $msg = $self->pl->expand_cfpod ($msg);
2433
2434 return unless @extra || length $msg;
2435
2436 if ($self->can_msg) {
2437 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2438 } else {
2439 # replace some tags by gcfclient-compatible ones
2440 for ($msg) {
2441 1 while
2442 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447 }
2448
2449 if ($color >= 0) {
2450 if (0 && $msg =~ /\[/) {
2451 $self->send_packet ("drawextinfo $color 4 0 $msg")
2452 } else {
2453 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454 $self->send_packet ("drawinfo $color $msg")
2455 }
2456 }
2457 }
2458}
2459
2460=item $client->ext_event ($type, %msg)
2461
2462Sends an ext event to the client.
2463
2464=cut
2465
2466sub cf::client::ext_event($$%) {
2467 my ($self, $type, %msg) = @_;
2468
2469 $msg{msgtype} = "event_$type";
2470 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2471}
1956 2472
1957=item $success = $client->query ($flags, "text", \&cb) 2473=item $success = $client->query ($flags, "text", \&cb)
1958 2474
1959Queues a query to the client, calling the given callback with 2475Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2476the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2477C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962 2478
1963Queries can fail, so check the return code. Or don't, as queries will become 2479Queries can fail, so check the return code. Or don't, as queries will
1964reliable at some point in the future. 2480become reliable at some point in the future.
1965 2481
1966=cut 2482=cut
1967 2483
1968sub cf::client::query { 2484sub cf::client::query {
1969 my ($self, $flags, $text, $cb) = @_; 2485 my ($self, $flags, $text, $cb) = @_;
1977 utf8::encode $text; 2493 utf8::encode $text;
1978 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2494 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979 2495
1980 $self->send_packet ($self->{query_queue}[0][0]) 2496 $self->send_packet ($self->{query_queue}[0][0])
1981 if @{ $self->{query_queue} } == 1; 2497 if @{ $self->{query_queue} } == 1;
2498
2499 1
1982} 2500}
1983 2501
1984cf::client->attach ( 2502cf::client->attach (
2503 on_connect => sub {
2504 my ($ns) = @_;
2505
2506 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2507 },
1985 on_reply => sub { 2508 on_reply => sub {
1986 my ($ns, $msg) = @_; 2509 my ($ns, $msg) = @_;
1987 2510
1988 # this weird shuffling is so that direct followup queries 2511 # this weird shuffling is so that direct followup queries
1989 # get handled first 2512 # get handled first
1990 my $queue = delete $ns->{query_queue} 2513 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2514 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2515
1993 (shift @$queue)->[1]->($msg); 2516 (shift @$queue)->[1]->($msg);
2517 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2518
1995 push @{ $ns->{query_queue} }, @$queue; 2519 push @{ $ns->{query_queue} }, @$queue;
1996 2520
1997 if (@{ $ns->{query_queue} } == @$queue) { 2521 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2522 if (@$queue) {
2000 } else { 2524 } else {
2001 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2525 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002 } 2526 }
2003 } 2527 }
2004 }, 2528 },
2529 on_exticmd => sub {
2530 my ($ns, $buf) = @_;
2531
2532 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533
2534 if (ref $msg) {
2535 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2536 if (my %reply = $cb->($ns, $msg)) {
2537 $reply{msgid} = $msg->{msgid};
2538 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539 }
2540 }
2541 } else {
2542 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543 }
2544
2545 cf::override;
2546 },
2005); 2547);
2006 2548
2007=item $client->async (\&cb) 2549=item $client->async (\&cb)
2008 2550
2009Create a new coroutine, running the specified callback. The coroutine will 2551Create a new coroutine, running the specified callback. The coroutine will
2056 2598
2057# here we export the classes and methods available to script code 2599# here we export the classes and methods available to script code
2058 2600
2059=pod 2601=pod
2060 2602
2061The following fucntions and emthods are available within a safe environment: 2603The following functions and methods are available within a safe environment:
2062 2604
2063 cf::object contr pay_amount pay_player map 2605 cf::object
2606 contr pay_amount pay_player map x y force_find force_add
2607 insert remove
2608
2064 cf::object::player player 2609 cf::object::player
2065 cf::player peaceful 2610 player
2066 cf::map trigger 2611
2612 cf::player
2613 peaceful
2614
2615 cf::map
2616 trigger
2067 2617
2068=cut 2618=cut
2069 2619
2070for ( 2620for (
2071 ["cf::object" => qw(contr pay_amount pay_player map)], 2621 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622 insert remove)],
2072 ["cf::object::player" => qw(player)], 2623 ["cf::object::player" => qw(player)],
2073 ["cf::player" => qw(peaceful)], 2624 ["cf::player" => qw(peaceful)],
2074 ["cf::map" => qw(trigger)], 2625 ["cf::map" => qw(trigger)],
2075) { 2626) {
2076 no strict 'refs'; 2627 no strict 'refs';
2147=back 2698=back
2148 2699
2149=cut 2700=cut
2150 2701
2151############################################################################# 2702#############################################################################
2703# the server's init and main functions
2152 2704
2153=head2 EXTENSION DATABASE SUPPORT 2705sub load_facedata($) {
2706 my ($path) = @_;
2154 2707
2155Crossfire maintains a very simple database for extension use. It can 2708 warn "loading facedata from $path\n";
2156currently store anything that can be serialised using Storable, which
2157excludes objects.
2158 2709
2159The parameter C<$family> should best start with the name of the extension 2710 my $facedata;
2160using it, it should be unique. 2711 0 < aio_load $path, $facedata
2712 or die "$path: $!";
2161 2713
2162=over 4 2714 $facedata = Coro::Storable::thaw $facedata;
2163 2715
2164=item $hashref = cf::db_get $family 2716 $facedata->{version} == 2
2717 or cf::cleanup "$path: version mismatch, cannot proceed.";
2165 2718
2166Return a hashref for use by the extension C<$family>, which can be
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169
2170=item $value = cf::db_get $family => $key
2171
2172Returns a single value from the database
2173
2174=item cf::db_put $family => $hashref
2175
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179=item cf::db_put $family => $key => $value
2180
2181Stores the given C<$value> in the family hash. Updates are delayed, if you
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191
2192=cut
2193
2194our $DB;
2195
2196{
2197 my $path = cf::localdir . "/database.pst";
2198
2199 sub db_load() {
2200 $DB = stat $path ? Storable::retrieve $path : { };
2201 } 2719 {
2720 my $faces = $facedata->{faceinfo};
2202 2721
2203 my $pid; 2722 while (my ($face, $info) = each %$faces) {
2204 2723 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205 sub db_save() { 2724 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2206 waitpid $pid, 0 if $pid; 2725 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2207 if (0 == ($pid = fork)) { 2726 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2208 $DB->{_meta}{version} = 1; 2727 Coro::cede;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 }
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 });
2225
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 }
2230
2231 sub db_get($;$) {
2232 @_ >= 2
2233 ? $DB->{$_[0]}{$_[1]}
2234 : ($DB->{$_[0]} ||= { })
2235 }
2236
2237 sub db_put($$;$) {
2238 if (@_ >= 3) {
2239 $DB->{$_[0]}{$_[1]} = $_[2];
2240 } else {
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245
2246 cf::global->attach (
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 2728 }
2251 );
2252}
2253 2729
2254############################################################################# 2730 while (my ($face, $info) = each %$faces) {
2255# the server's main() 2731 next unless $info->{smooth};
2732 my $idx = cf::face::find $face
2733 or next;
2734 if (my $smooth = cf::face::find $info->{smooth}) {
2735 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2736 } else {
2737 warn "smooth face '$info->{smooth}' not found for face '$face'";
2738 }
2739 Coro::cede;
2740 }
2741 }
2742
2743 {
2744 my $anims = $facedata->{animinfo};
2745
2746 while (my ($anim, $info) = each %$anims) {
2747 cf::anim::set $anim, $info->{frames}, $info->{facings};
2748 Coro::cede;
2749 }
2750
2751 cf::anim::invalidate_all; # d'oh
2752 }
2753
2754 1
2755}
2756
2757sub reload_regions {
2758 load_resource_file "$MAPDIR/regions"
2759 or die "unable to load regions file\n";
2760}
2761
2762sub reload_facedata {
2763 load_facedata "$DATADIR/facedata"
2764 or die "unable to load facedata\n";
2765}
2766
2767sub reload_archetypes {
2768 load_resource_file "$DATADIR/archetypes"
2769 or die "unable to load archetypes\n";
2770 #d# NEED to laod twice to resolve forward references
2771 # this really needs to be done in an extra post-pass
2772 # (which needs to be synchronous, so solve it differently)
2773 load_resource_file "$DATADIR/archetypes"
2774 or die "unable to load archetypes\n";
2775}
2776
2777sub reload_treasures {
2778 load_resource_file "$DATADIR/treasures"
2779 or die "unable to load treasurelists\n";
2780}
2781
2782sub reload_resources {
2783 warn "reloading resource files...\n";
2784
2785 reload_regions;
2786 reload_facedata;
2787 #reload_archetypes;#d#
2788 reload_archetypes;
2789 reload_treasures;
2790
2791 warn "finished reloading resource files\n";
2792}
2793
2794sub init {
2795 reload_resources;
2796}
2256 2797
2257sub cfg_load { 2798sub cfg_load {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 2799 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 2800 or return;
2260 2801
2261 local $/; 2802 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 2803 *CFG = YAML::Syck::Load <$fh>;
2263 2804
2277 2818
2278sub main { 2819sub main {
2279 # we must not ever block the main coroutine 2820 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 2821 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2822 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823 (async {
2282 async { Event::one_event }; 2824 Event::one_event;
2825 })->prio (Coro::PRIO_MAX);
2283 }; 2826 };
2284 2827
2285 cfg_load; 2828 cfg_load;
2286 db_load; 2829 db_init;
2287 load_extensions; 2830 load_extensions;
2831
2832 $TICK_WATCHER->start;
2288 Event::loop; 2833 Event::loop;
2289} 2834}
2290 2835
2291############################################################################# 2836#############################################################################
2292# initialisation and cleanup 2837# initialisation and cleanup
2293 2838
2294# install some emergency cleanup handlers 2839# install some emergency cleanup handlers
2295BEGIN { 2840BEGIN {
2296 for my $signal (qw(INT HUP TERM)) { 2841 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 2842 Event->signal (
2843 reentrant => 0,
2298 data => WF_AUTOCANCEL, 2844 data => WF_AUTOCANCEL,
2299 signal => $signal, 2845 signal => $signal,
2846 prio => 0,
2300 cb => sub { 2847 cb => sub {
2301 cf::cleanup "SIG$signal"; 2848 cf::cleanup "SIG$signal";
2302 }, 2849 },
2303 ); 2850 );
2304 } 2851 }
2305} 2852}
2306 2853
2854sub write_runtime {
2855 my $runtime = "$LOCALDIR/runtime";
2856
2857 # first touch the runtime file to show we are still running:
2858 # the fsync below can take a very very long time.
2859
2860 IO::AIO::aio_utime $runtime, undef, undef;
2861
2862 my $guard = cf::lock_acquire "write_runtime";
2863
2864 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
2865 or return;
2866
2867 my $value = $cf::RUNTIME + 90 + 10;
2868 # 10 is the runtime save interval, for a monotonic clock
2869 # 60 allows for the watchdog to kill the server.
2870
2871 (aio_write $fh, 0, (length $value), $value, 0) <= 0
2872 and return;
2873
2874 # always fsync - this file is important
2875 aio_fsync $fh
2876 and return;
2877
2878 # touch it again to show we are up-to-date
2879 aio_utime $fh, undef, undef;
2880
2881 close $fh
2882 or return;
2883
2884 aio_rename "$runtime~", $runtime
2885 and return;
2886
2887 warn "runtime file written.\n";
2888
2889 1
2890}
2891
2307sub emergency_save() { 2892sub emergency_save() {
2308 my $freeze_guard = cf::freeze_mainloop; 2893 my $freeze_guard = cf::freeze_mainloop;
2309 2894
2310 warn "enter emergency perl save\n"; 2895 warn "enter emergency perl save\n";
2311 2896
2312 cf::sync_job { 2897 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 2898 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 2899 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 2900 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 2901 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 2902 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 2903 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 2904 $pl->valid or next;
2320 $pl->save; 2905 $pl->save;
2326 my $map = $cf::MAP{$path} or next; 2911 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 2912 $map->valid or next;
2328 $map->save; 2913 $map->save;
2329 } 2914 }
2330 warn "end emergency map save\n"; 2915 warn "end emergency map save\n";
2916
2917 warn "begin emergency database checkpoint\n";
2918 BDB::db_env_txn_checkpoint $DB_ENV;
2919 warn "end emergency database checkpoint\n";
2331 }; 2920 };
2332 2921
2333 warn "leave emergency perl save\n"; 2922 warn "leave emergency perl save\n";
2334} 2923}
2335 2924
2925sub post_cleanup {
2926 my ($make_core) = @_;
2927
2928 warn Carp::longmess "post_cleanup backtrace"
2929 if $make_core;
2930}
2931
2336sub reload() { 2932sub do_reload_perl() {
2337 # can/must only be called in main 2933 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 2934 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 2935 warn "can only reload from main coroutine";
2340 return; 2936 return;
2341 } 2937 }
2342 2938
2343 warn "reloading..."; 2939 warn "reloading...";
2344 2940
2345 my $guard = freeze_mainloop; 2941 warn "entering sync_job";
2942
2943 cf::sync_job {
2944 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 2945 cf::emergency_save;
2946 cf::write_runtime; # external watchdog should not bark
2347 2947
2348 eval { 2948 warn "syncing database to disk";
2949 BDB::db_env_txn_checkpoint $DB_ENV;
2950
2349 # if anything goes wrong in here, we should simply crash as we already saved 2951 # if anything goes wrong in here, we should simply crash as we already saved
2350 2952
2351 # cancel all watchers 2953 warn "cancelling all WF_AUTOCANCEL watchers";
2352 for (Event::all_watchers) { 2954 for (Event::all_watchers) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 2955 $_->cancel if $_->data & WF_AUTOCANCEL;
2354 } 2956 }
2355 2957
2958 warn "flushing outstanding aio requests";
2959 for (;;) {
2960 BDB::flush;
2961 IO::AIO::flush;
2962 Coro::cede;
2963 last unless IO::AIO::nreqs || BDB::nreqs;
2964 warn "iterate...";
2965 }
2966
2967 ++$RELOAD;
2968
2356 # cancel all extension coros 2969 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 2970 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 2971 %EXT_CORO = ();
2359 2972
2360 # unload all extensions 2973 warn "removing commands";
2361 for (@exts) { 2974 %COMMAND = ();
2975
2976 warn "removing ext/exti commands";
2977 %EXTCMD = ();
2978 %EXTICMD = ();
2979
2980 warn "unloading/nuking all extensions";
2981 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 2982 warn "... unloading $pkg";
2363 unload_extension $_; 2983
2984 if (my $cb = $pkg->can ("unload")) {
2985 eval {
2986 $cb->($pkg);
2987 1
2988 } or warn "$pkg unloaded, but with errors: $@";
2364 } 2989 }
2365 2990
2991 warn "... nuking $pkg";
2992 Symbol::delete_package $pkg;
2993 }
2994
2366 # unload all modules loaded from $LIBDIR 2995 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 2996 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2997 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 2998
2370 warn "removing <$k>"; 2999 warn "... unloading $k";
2371 delete $INC{$k}; 3000 delete $INC{$k};
2372 3001
2373 $k =~ s/\.pm$//; 3002 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 3003 $k =~ s/\//::/g;
2375 3004
2378 } 3007 }
2379 3008
2380 Symbol::delete_package $k; 3009 Symbol::delete_package $k;
2381 } 3010 }
2382 3011
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 3012 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 3013 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3014 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 3015
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 3016 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 3017 delete $INC{"cf.pm"};
3018 delete $INC{"cf/pod.pm"};
2396 3019
2397 # don't, removes xs symbols, too, 3020 # don't, removes xs symbols, too,
2398 # and global variables created in xs 3021 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 3022 #Symbol::delete_package __PACKAGE__;
2400 3023
2401 # reload cf.pm 3024 warn "unload completed, starting to reload now";
3025
2402 warn "reloading cf.pm"; 3026 warn "reloading cf.pm";
2403 require cf; 3027 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3028 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 3029
2406 # load config and database again 3030 warn "loading config and database again";
2407 cf::cfg_load; 3031 cf::cfg_load;
2408 cf::db_load;
2409 3032
2410 # load extensions
2411 warn "load extensions"; 3033 warn "loading extensions";
2412 cf::load_extensions; 3034 cf::load_extensions;
2413 3035
2414 # reattach attachments to objects 3036 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 3037 _global_reattach; # objects, sockets
2416 _global_reattach; 3038 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 3039 reattach $_ for values %MAP;
2418 }; 3040 warn "reattaching attachments to players";
3041 reattach $_ for values %PLAYER;
2419 3042
2420 if ($@) { 3043 warn "leaving sync_job";
3044
3045 1
3046 } or do {
2421 warn $@; 3047 warn $@;
2422 warn "error while reloading, exiting."; 3048 warn "error while reloading, exiting.";
2423 exit 1; 3049 exit 1;
2424 } 3050 };
2425 3051
2426 warn "reloaded successfully"; 3052 warn "reloaded";
2427}; 3053};
2428 3054
2429############################################################################# 3055our $RELOAD_WATCHER; # used only during reload
2430 3056
2431unless ($LINK_MAP) { 3057sub reload_perl() {
2432 $LINK_MAP = cf::map::new; 3058 # doing reload synchronously and two reloads happen back-to-back,
3059 # coro crashes during coro_state_free->destroy here.
2433 3060
2434 $LINK_MAP->width (41); 3061 $RELOAD_WATCHER ||= Event->timer (
2435 $LINK_MAP->height (41); 3062 reentrant => 0,
2436 $LINK_MAP->alloc;
2437 $LINK_MAP->path ("{link}");
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10, 3063 after => 0,
3064 data => WF_AUTOCANCEL,
2444 cb => sub { 3065 cb => sub {
2445 $_[0]->w->cancel; 3066 do_reload_perl;
2446 3067 undef $RELOAD_WATCHER;
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 }); 3068 },
2465 3069 );
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470} 3070}
2471
2472register "<global>", __PACKAGE__;
2473 3071
2474register_command "reload" => sub { 3072register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3073 my ($who, $arg) = @_;
2476 3074
2477 if ($who->flag (FLAG_WIZ)) { 3075 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload.");
2479 reload;
2480 $who->message ("end of reload."); 3076 $who->message ("reloading server.");
3077 async { reload_perl };
2481 } 3078 }
2482}; 3079};
2483 3080
2484unshift @INC, $LIBDIR; 3081unshift @INC, $LIBDIR;
2485 3082
3083my $bug_warning = 0;
3084
3085our @WAIT_FOR_TICK;
3086our @WAIT_FOR_TICK_BEGIN;
3087
3088sub wait_for_tick {
3089 return unless $TICK_WATCHER->is_active;
3090 return if $Coro::current == $Coro::main;
3091
3092 my $signal = new Coro::Signal;
3093 push @WAIT_FOR_TICK, $signal;
3094 $signal->wait;
3095}
3096
3097sub wait_for_tick_begin {
3098 return unless $TICK_WATCHER->is_active;
3099 return if $Coro::current == $Coro::main;
3100
3101 my $signal = new Coro::Signal;
3102 push @WAIT_FOR_TICK_BEGIN, $signal;
3103 $signal->wait;
3104}
3105
3106 my $min = 1e6;#d#
3107 my $avg = 10;
2486$TICK_WATCHER = Event->timer ( 3108$TICK_WATCHER = Event->timer (
2487 reentrant => 0, 3109 reentrant => 0,
3110 parked => 1,
2488 prio => 0, 3111 prio => 0,
2489 at => $NEXT_TICK || $TICK, 3112 at => $NEXT_TICK || $TICK,
2490 data => WF_AUTOCANCEL, 3113 data => WF_AUTOCANCEL,
2491 cb => sub { 3114 cb => sub {
3115 if ($Coro::current != $Coro::main) {
3116 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117 unless ++$bug_warning > 10;
3118 return;
3119 }
3120
3121 $NOW = $tick_start = Event::time;
3122
2492 cf::server_tick; # one server iteration 3123 cf::server_tick; # one server iteration
3124
3125 0 && sync_job {#d#
3126 for(1..10) {
3127 my $t = Event::time;
3128 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3129 or die;
3130
3131 $map->width (50);
3132 $map->height (50);
3133 $map->alloc;
3134 $map->_load_objects ("/tmp/x.map", 1);
3135 my $t = Event::time - $t;
3136
3137 #next unless $t < 0.0013;#d#
3138 if ($t < $min) {
3139 $min = $t;
3140 }
3141 $avg = $avg * 0.99 + $t * 0.01;
3142 }
3143 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144 exit 0;
3145 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146 };
3147
2493 $RUNTIME += $TICK; 3148 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 3149 $NEXT_TICK += $TICK;
2495 3150
2496 $WAIT_FOR_TICK->broadcast; 3151 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3152 $NEXT_RUNTIME_WRITE = $NOW + 10;
3153 Coro::async_pool {
3154 write_runtime
3155 or warn "ERROR: unable to write runtime file: $!";
3156 };
3157 }
3158
3159# my $AFTER = Event::time;
3160# warn $AFTER - $NOW;#d#
3161
3162 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163 $sig->send;
3164 }
3165 while (my $sig = shift @WAIT_FOR_TICK) {
3166 $sig->send;
3167 }
3168
3169 $NOW = Event::time;
2498 3170
2499 # if we are delayed by four ticks or more, skip them all 3171 # if we are delayed by four ticks or more, skip them all
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3172 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501 3173
2502 $TICK_WATCHER->at ($NEXT_TICK); 3174 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start; 3175 $TICK_WATCHER->start;
3176
3177 $LOAD = ($NOW - $tick_start) / $TICK;
3178 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179
3180 _post_tick;
3181
3182
2504 }, 3183 },
2505); 3184);
2506 3185
3186{
2507IO::AIO::max_poll_time $TICK * 0.2; 3187 BDB::max_poll_time $TICK * 0.1;
2508 3188 $BDB_POLL_WATCHER = Event->io (
2509Event->io ( 3189 reentrant => 0,
2510 fd => IO::AIO::poll_fileno, 3190 fd => BDB::poll_fileno,
2511 poll => 'r', 3191 poll => 'r',
2512 prio => 5, 3192 prio => 0,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL, 3193 data => WF_AUTOCANCEL,
2519 after => 0, 3194 cb => \&BDB::poll_cb,
2520 interval => 10, 3195 );
2521 cb => sub { 3196 BDB::min_parallel 8;
2522 (Coro::unblock_sub { 3197
2523 write_runtime 3198 BDB::set_sync_prepare {
2524 or warn "ERROR: unable to write runtime file: $!"; 3199 my $status;
3200 my $current = $Coro::current;
3201 (
3202 sub {
3203 $status = $!;
3204 $current->ready; undef $current;
3205 },
3206 sub {
3207 Coro::schedule while defined $current;
3208 $! = $status;
3209 },
3210 )
3211 };
3212
3213 unless ($DB_ENV) {
3214 $DB_ENV = BDB::db_env_create;
3215
3216 cf::sync_job {
3217 eval {
3218 BDB::db_env_open
3219 $DB_ENV,
3220 $BDBDIR,
3221 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223 0666;
3224
3225 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228 $DB_ENV->set_lk_detect;
3229 };
3230
3231 cf::cleanup "db_env_open(db): $@" if $@;
2525 })->(); 3232 };
2526 }, 3233 }
2527); 3234}
3235
3236{
3237 IO::AIO::min_parallel 8;
3238
3239 undef $Coro::AIO::WATCHER;
3240 IO::AIO::max_poll_time $TICK * 0.1;
3241 $AIO_POLL_WATCHER = Event->io (
3242 reentrant => 0,
3243 data => WF_AUTOCANCEL,
3244 fd => IO::AIO::poll_fileno,
3245 poll => 'r',
3246 prio => 6,
3247 cb => \&IO::AIO::poll_cb,
3248 );
3249}
3250
3251my $_log_backtrace;
3252
3253sub _log_backtrace {
3254 my ($msg, @addr) = @_;
3255
3256 $msg =~ s/\n//;
3257
3258 # limit the # of concurrent backtraces
3259 if ($_log_backtrace < 2) {
3260 ++$_log_backtrace;
3261 async {
3262 my @bt = fork_call {
3263 @addr = map { sprintf "%x", $_ } @addr;
3264 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266 or die "addr2line: $!";
3267
3268 my @funcs;
3269 my @res = <$fh>;
3270 chomp for @res;
3271 while (@res) {
3272 my ($func, $line) = splice @res, 0, 2, ();
3273 push @funcs, "[$func] $line";
3274 }
3275
3276 @funcs
3277 };
3278
3279 LOG llevInfo, "[ABT] $msg\n";
3280 LOG llevInfo, "[ABT] $_\n" for @bt;
3281 --$_log_backtrace;
3282 };
3283 } else {
3284 LOG llevInfo, "[ABT] $msg\n";
3285 LOG llevInfo, "[ABT] [suppressed]\n";
3286 }
3287}
3288
3289# load additional modules
3290use cf::pod;
2528 3291
2529END { cf::emergency_save } 3292END { cf::emergency_save }
2530 3293
25311 32941
2532 3295

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