ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.305 by root, Thu Jul 12 08:40:14 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 3.5 (); 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 ();
20use BDB (); 26use BDB ();
21use Data::Dumper; 27use Data::Dumper;
22use Digest::MD5; 28use Digest::MD5;
23use Fcntl; 29use Fcntl;
30use YAML::Syck ();
24use IO::AIO 2.32 (); 31use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 32use Time::HiRes;
27use Compress::LZF; 33use Compress::LZF;
34use Digest::MD5 ();
28 35
36# configure various modules to our taste
37#
38$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 41
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 42$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 43
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
37 46
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 48
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50
40our %COMMAND = (); 51our %COMMAND = ();
41our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
42 53
43our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
47 59
60our $RELOAD; # number of reloads so far
48our @EVENT; 61our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 62
51our $TICK = MAX_TIME * 1e-6; 63our $CONFDIR = confdir;
64our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db";
74
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 76our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 79our $NEXT_TICK;
56our $NOW; 80our $NOW;
65our $RUNTIME; 89our $RUNTIME;
66 90
67our %PLAYER; # all users 91our %PLAYER; # all users
68our %MAP; # all maps 92our %MAP; # all maps
69our $LINK_MAP; # the special {link} map, which is always available 93our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 94
76# used to convert map paths into valid unix filenames by replacing / by ∕ 95# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 97
98our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing
100our $tick_start; # for load detecting purposes
101
79binmode STDOUT; 102binmode STDOUT;
80binmode STDERR; 103binmode STDERR;
81 104
82# read virtual server time, if available 105# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 106unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 107 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 108 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 109 $RUNTIME = <$fh> + 0.;
87} 110}
88 111
89mkdir cf::localdir; 112mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 114
96our $EMERGENCY_POSITION; 115our $EMERGENCY_POSITION;
97 116
98sub cf::map::normalise; 117sub cf::map::normalise;
99 118
110=item $cf::RUNTIME 129=item $cf::RUNTIME
111 130
112The time this server has run, starts at 0 and is increased by $cf::TICK on 131The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 132every server tick.
114 133
115=item $cf::LIBDIR 134=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 137
117The perl library directory, where extensions and cf-specific modules can 138Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 139directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140unique-items directory, player file directory, random maps directory and
141database environment.
119 142
120=item $cf::NOW 143=item $cf::NOW
121 144
122The time of the last (current) server tick. 145The time of the last (current) server tick.
123 146
124=item $cf::TICK 147=item $cf::TICK
125 148
126The interval between server ticks, in seconds. 149The interval between server ticks, in seconds.
150
151=item $cf::LOADAVG
152
153The current CPU load on the server (alpha-smoothed), as a value between 0
154(none) and 1 (overloaded), indicating how much time is spent on processing
155objects per tick. Healthy values are < 0.5.
156
157=item $cf::LOAD
158
159The raw value load value from the last tick.
127 160
128=item %cf::CFG 161=item %cf::CFG
129 162
130Configuration for the server, loaded from C</etc/crossfire/config>, or 163Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 164from wherever your confdir points to.
132 165
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 166=item cf::wait_for_tick, cf::wait_for_tick_begin
134 167
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 169returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 170per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick.
139 171
140=back 172=back
141 173
142=cut 174=cut
143 175
144BEGIN { 176BEGIN {
145 *CORE::GLOBAL::warn = sub { 177 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 178 my $msg = join "", @_;
147 utf8::encode $msg;
148 179
149 $msg .= "\n" 180 $msg .= "\n"
150 unless $msg =~ /\n$/; 181 unless $msg =~ /\n$/;
151 182
183 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
184
185 utf8::encode $msg;
152 LOG llevError, $msg; 186 LOG llevError, $msg;
153 }; 187 };
154} 188}
155 189
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 190@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 191@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 192@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 193@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 194@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
195@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 196@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 197
163# we bless all objects into (empty) derived classes to force a method lookup 198# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 199# within the Safe compartment.
165for my $pkg (qw( 200for my $pkg (qw(
166 cf::global cf::attachable 201 cf::global cf::attachable
174} 209}
175 210
176$Event::DIED = sub { 211$Event::DIED = sub {
177 warn "error in event callback: @_"; 212 warn "error in event callback: @_";
178}; 213};
214
215#############################################################################
179 216
180=head2 UTILITY FUNCTIONS 217=head2 UTILITY FUNCTIONS
181 218
182=over 4 219=over 4
183 220
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 239 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 240 $d
204 } || "[unable to dump $_[0]: '$@']"; 241 } || "[unable to dump $_[0]: '$@']";
205} 242}
206 243
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 244=item $ref = cf::from_json $json
210 245
211Converts a JSON string into the corresponding perl data structure. 246Converts a JSON string into the corresponding perl data structure.
212 247
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 248=item $json = cf::to_json $ref
221 249
222Converts a perl data structure into its JSON representation. 250Converts a perl data structure into its JSON representation.
223 251
224=cut 252=cut
225 253
226sub to_json($) { 254our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 255
228 JSON::Syck::Dump $_[0] 256sub to_json ($) { $json_coder->encode ($_[0]) }
229} 257sub from_json ($) { $json_coder->decode ($_[0]) }
230 258
231=item cf::lock_wait $string 259=item cf::lock_wait $string
232 260
233Wait until the given lock is available. See cf::lock_acquire. 261Wait until the given lock is available. See cf::lock_acquire.
234 262
240returned. 268returned.
241 269
242Lock names should begin with a unique identifier (for example, cf::map::find 270Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 271uses map_find and cf::map::load uses map_load).
244 272
273=item $locked = cf::lock_active $string
274
275Return true if the lock is currently active, i.e. somebody has locked it.
276
245=cut 277=cut
246 278
247our %LOCK; 279our %LOCK;
248 280
249sub lock_wait($) { 281sub lock_wait($) {
266 298
267 Coro::guard { 299 Coro::guard {
268 # wake up all waiters, to be on the safe side 300 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 301 $_->ready for @{ delete $LOCK{$key} };
270 } 302 }
303}
304
305sub lock_active($) {
306 my ($key) = @_;
307
308 ! ! $LOCK{$key}
271} 309}
272 310
273sub freeze_mainloop { 311sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 312 return unless $TICK_WATCHER->is_active;
275 313
290 328
291BEGIN { *async = \&Coro::async_pool } 329BEGIN { *async = \&Coro::async_pool }
292 330
293=item cf::sync_job { BLOCK } 331=item cf::sync_job { BLOCK }
294 332
295The design of crossfire+ requires that the main coro ($Coro::main) is 333The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 334is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 335partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336acceptable.
298 337
299If it must be done, put the blocking parts into C<sync_job>. This will run 338If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 339the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 340server will be frozen during this time, so the block should either finish
302fast or be very important. 341fast or be very important.
305 344
306sub sync_job(&) { 345sub sync_job(&) {
307 my ($job) = @_; 346 my ($job) = @_;
308 347
309 if ($Coro::current == $Coro::main) { 348 if ($Coro::current == $Coro::main) {
349 my $time = Event::time;
350
310 # this is the main coro, too bad, we have to block 351 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 352 # till the operation succeeds, freezing the server :/
312 353
313 # TODO: use suspend/resume instead 354 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 355 # (but this is cancel-safe)
325 366
326 while ($busy) { 367 while ($busy) {
327 Coro::cede or Event::one_event; 368 Coro::cede or Event::one_event;
328 } 369 }
329 370
371 $time = Event::time - $time;
372
373 LOG llevError | logBacktrace, Carp::longmess "long sync job"
374 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376 $tick_start += $time; # do not account sync jobs to server load
377
330 wantarray ? @res : $res[0] 378 wantarray ? @res : $res[0]
331 } else { 379 } else {
332 # we are in another coroutine, how wonderful, everything just works 380 # we are in another coroutine, how wonderful, everything just works
333 381
334 $job->() 382 $job->()
353 $EXT_CORO{$coro+0} = $coro; 401 $EXT_CORO{$coro+0} = $coro;
354 402
355 $coro 403 $coro
356} 404}
357 405
358sub write_runtime { 406=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 407
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 408Executes the given code block with the given arguments in a seperate
362 or return; 409process, returning the results. Everything must be serialisable with
410Coro::Storable. May, of course, block. Note that the executed sub may
411never block itself or use any form of Event handling.
363 412
364 my $value = $cf::RUNTIME + 90 + 10; 413=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 414
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 415sub _store_scalar {
369 and return; 416 open my $fh, ">", \my $buf
370 417 or die "fork_call: cannot open fh-to-buf in child : $!";
371 # always fsync - this file is important 418 Storable::store_fd $_[0], $fh;
372 aio_fsync $fh
373 and return;
374
375 close $fh 419 close $fh;
376 or return;
377 420
378 aio_rename "$runtime~", $runtime 421 $buf
379 and return; 422}
380 423
424sub fork_call(&@) {
425 my ($cb, @args) = @_;
426
427# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
428# or die "socketpair: $!";
429 pipe my $fh1, my $fh2
430 or die "pipe: $!";
431
432 if (my $pid = fork) {
433 close $fh2;
434
435 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
436 warn "pst<$res>" unless $res =~ /^pst/;
437 $res = Coro::Storable::thaw $res;
438
439 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
440
441 Carp::confess $$res unless "ARRAY" eq ref $res;
442
443 return wantarray ? @$res : $res->[-1];
444 } else {
445 reset_signals;
446 local $SIG{__WARN__};
447 local $SIG{__DIE__};
448 # just in case, this hack effectively disables event
449 # in the child. cleaner and slower would be canceling all watchers,
450 # but this works for the time being.
451 local $Coro::idle;
452 $Coro::current->prio (Coro::PRIO_MAX);
453
454 eval {
455 close $fh1;
456
457 my @res = eval { $cb->(@args) };
458
459 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460 close $fh2;
461 };
462
463 warn $@ if $@;
464 _exit 0;
381 1 465 }
466}
467
468=item $value = cf::db_get $family => $key
469
470Returns a single value from the environment database.
471
472=item cf::db_put $family => $key => $value
473
474Stores the given C<$value> in the family. It can currently store binary
475data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476
477=cut
478
479our $DB;
480
481sub db_init {
482 unless ($DB) {
483 $DB = BDB::db_create $DB_ENV;
484
485 cf::sync_job {
486 eval {
487 $DB->set_flags (BDB::CHKSUM);
488
489 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491 cf::cleanup "db_open(db): $!" if $!;
492 };
493 cf::cleanup "db_open(db): $@" if $@;
494 };
495 }
496}
497
498sub db_get($$) {
499 my $key = "$_[0]/$_[1]";
500
501 cf::sync_job {
502 BDB::db_get $DB, undef, $key, my $data;
503
504 $! ? ()
505 : $data
506 }
507}
508
509sub db_put($$$) {
510 BDB::dbreq_pri 4;
511 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
512}
513
514=item cf::cache $id => [$paths...], $processversion => $process
515
516Generic caching function that returns the value of the resource $id,
517caching and regenerating as required.
518
519This function can block.
520
521=cut
522
523sub cache {
524 my ($id, $src, $processversion, $process) = @_;
525
526 my $meta =
527 join "\x00",
528 $processversion,
529 map {
530 aio_stat $_
531 and Carp::croak "$_: $!";
532
533 ($_, (stat _)[7,9])
534 } @$src;
535
536 my $dbmeta = db_get cache => "$id/meta";
537 if ($dbmeta ne $meta) {
538 # changed, we may need to process
539
540 my @data;
541 my $md5;
542
543 for (0 .. $#$src) {
544 0 <= aio_load $src->[$_], $data[$_]
545 or Carp::croak "$src->[$_]: $!";
546 }
547
548 # if processing is expensive, check
549 # checksum first
550 if (1) {
551 $md5 =
552 join "\x00",
553 $processversion,
554 map {
555 Coro::cede;
556 ($src->[$_], Digest::MD5::md5_hex $data[$_])
557 } 0.. $#$src;
558
559
560 my $dbmd5 = db_get cache => "$id/md5";
561 if ($dbmd5 eq $md5) {
562 db_put cache => "$id/meta", $meta;
563
564 return db_get cache => "$id/data";
565 }
566 }
567
568 my $t1 = Time::HiRes::time;
569 my $data = $process->(\@data);
570 my $t2 = Time::HiRes::time;
571
572 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
573
574 db_put cache => "$id/data", $data;
575 db_put cache => "$id/md5" , $md5;
576 db_put cache => "$id/meta", $meta;
577
578 return $data;
579 }
580
581 db_get cache => "$id/data"
582}
583
584=item cf::datalog type => key => value, ...
585
586Log a datalog packet of the given type with the given key-value pairs.
587
588=cut
589
590sub datalog($@) {
591 my ($type, %kv) = @_;
592 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 593}
383 594
384=back 595=back
385 596
386=cut 597=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 604attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 605to it. All such attachable objects support the following methods.
395 606
396In the following description, CLASS can be any of C<global>, C<object> 607In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 608C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 609Crossfire TRT).
399 610
400=over 4 611=over 4
401 612
402=item $attachable->attach ($attachment, key => $value...) 613=item $attachable->attach ($attachment, key => $value...)
403 614
566 $registry = $CB_TYPE[$object_type] ||= []; 777 $registry = $CB_TYPE[$object_type] ||= [];
567 778
568 } elsif ($type eq "subtype") { 779 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 780 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 781 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 782 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 783
573 } elsif ($type eq "package") { 784 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 785 my $pkg = shift @arg;
575 786
576 while (my ($name, $id) = each %cb_id) { 787 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 816 _attach $registry, $klass, @attach;
606 } 817 }
607 818
608 $obj->{$name} = \%arg; 819 $obj->{$name} = \%arg;
609 } else { 820 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 821 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 822 }
612 823
613 $obj->{_attachment}{$name} = undef; 824 $obj->{_attachment}{$name} = undef;
614} 825}
615 826
617 if (ref $_[0]) { 828 if (ref $_[0]) {
618 _object_attach @_; 829 _object_attach @_;
619 } else { 830 } else {
620 _attach shift->_attach_registry, @_; 831 _attach shift->_attach_registry, @_;
621 } 832 }
833 _recalc_want;
622}; 834};
623 835
624# all those should be optimised 836# all those should be optimised
625sub cf::attachable::detach { 837sub cf::attachable::detach {
626 my ($obj, $name) = @_; 838 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 841 delete $obj->{_attachment}{$name};
630 reattach ($obj); 842 reattach ($obj);
631 } else { 843 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 844 Carp::croak "cannot, currently, detach class attachments";
633 } 845 }
846 _recalc_want;
634}; 847};
635 848
636sub cf::attachable::attached { 849sub cf::attachable::attached {
637 my ($obj, $name) = @_; 850 my ($obj, $name) = @_;
638 851
785 } 998 }
786 } else { 999 } else {
787 aio_unlink $filename; 1000 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1001 aio_unlink "$filename.pst";
789 } 1002 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1003 }
797} 1004}
798 1005
799sub object_freezer_as_string { 1006sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1007 my ($rdata, $objs) = @_;
806 1013
807sub object_thawer_load { 1014sub object_thawer_load {
808 my ($filename) = @_; 1015 my ($filename) = @_;
809 1016
810 my ($data, $av); 1017 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1018
815 (aio_load $filename, $data) >= 0 1019 (aio_load $filename, $data) >= 0
816 or return; 1020 or return;
817 1021
818 unless (aio_stat "$filename.pst") { 1022 unless (aio_stat "$filename.pst") {
820 or return; 1024 or return;
821 $av = eval { (Storable::thaw $av)->{objs} }; 1025 $av = eval { (Storable::thaw $av)->{objs} };
822 } 1026 }
823 1027
824 warn sprintf "loading %s (%d)\n", 1028 warn sprintf "loading %s (%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1029 $filename, length $data, scalar @{$av || []};
826 return ($data, $av); 1030 return ($data, $av);
827} 1031}
1032
1033=head2 COMMAND CALLBACKS
1034
1035=over 4
1036
1037=cut
828 1038
829############################################################################# 1039#############################################################################
830# command handling &c 1040# command handling &c
831 1041
832=item cf::register_command $name => \&callback($ob,$args); 1042=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1055 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1056}
847 1057
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1058=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1059
850Register a callbackf ro execution when the client sends an extcmd packet. 1060Register a callback for execution when the client sends an (synchronous)
1061extcmd packet. Ext commands will be processed in the order they are
1062received by the server, like other user commands. The first argument is
1063the logged-in player. Ext commands can only be processed after a player
1064has logged in successfully.
851 1065
852If the callback returns something, it is sent back as if reply was being 1066If the callback returns something, it is sent back as if reply was being
853called. 1067called.
854 1068
1069=item cf::register_exticmd $name => \&callback($ns,$packet);
1070
1071Register a callback for execution when the client sends an (asynchronous)
1072exticmd packet. Exti commands are processed by the server as soon as they
1073are received, i.e. out of order w.r.t. other commands. The first argument
1074is a client socket. Exti commands can be received anytime, even before
1075log-in.
1076
1077If the callback returns something, it is sent back as if reply was being
1078called.
1079
855=cut 1080=cut
856 1081
857sub register_extcmd { 1082sub register_extcmd {
858 my ($name, $cb) = @_; 1083 my ($name, $cb) = @_;
859 1084
860 $EXTCMD{$name} = $cb; 1085 $EXTCMD{$name} = $cb;
1086}
1087
1088sub register_exticmd {
1089 my ($name, $cb) = @_;
1090
1091 $EXTICMD{$name} = $cb;
861} 1092}
862 1093
863cf::player->attach ( 1094cf::player->attach (
864 on_command => sub { 1095 on_command => sub {
865 my ($pl, $name, $params) = @_; 1096 my ($pl, $name, $params) = @_;
874 cf::override; 1105 cf::override;
875 }, 1106 },
876 on_extcmd => sub { 1107 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1108 my ($pl, $buf) = @_;
878 1109
879 my $msg = eval { from_json $buf }; 1110 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1111
881 if (ref $msg) { 1112 if (ref $msg) {
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1113 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
883 if (my %reply = $cb->($pl, $msg)) { 1114 if (my %reply = $cb->($pl, $msg)) {
884 $pl->ext_reply ($msg->{msgid}, %reply); 1115 $pl->ext_reply ($msg->{msgid}, %reply);
890 1121
891 cf::override; 1122 cf::override;
892 }, 1123 },
893); 1124);
894 1125
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1126sub load_extensions {
1127 cf::sync_job {
1128 my %todo;
1129
930 for my $ext (<$LIBDIR/*.ext>) { 1130 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1131 next unless -r $path;
932 eval { 1132
933 load_extension $ext; 1133 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1134 my $base = $1;
1135 my $pkg = $1;
1136 $pkg =~ s/[^[:word:]]/_/g;
1137 $pkg = "ext::$pkg";
1138
1139 open my $fh, "<:utf8", $path
1140 or die "$path: $!";
1141
1142 my $source = do { local $/; <$fh> };
1143
1144 my %ext = (
1145 path => $path,
1146 base => $base,
1147 pkg => $pkg,
1148 );
1149
1150 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152
1153 $ext{source} =
1154 "package $pkg; use strict; use utf8;\n"
1155 . "#line 1 \"$path\"\n{\n"
1156 . $source
1157 . "\n};\n1";
1158
1159 $todo{$base} = \%ext;
1160 }
1161
1162 my %done;
1163 while (%todo) {
1164 my $progress;
1165
1166 while (my ($k, $v) = each %todo) {
1167 for (split /,\s*/, $v->{meta}{depends}) {
1168 goto skip
1169 unless exists $done{$_};
1170 }
1171
1172 warn "... loading '$k' into '$v->{pkg}'\n";
1173
1174 unless (eval $v->{source}) {
1175 my $msg = $@ ? "$v->{path}: $@\n"
1176 : "$v->{base}: extension inactive.\n";
1177
1178 if (exists $v->{meta}{mandatory}) {
1179 warn $msg;
1180 warn "mandatory extension failed to load, exiting.\n";
1181 exit 1;
1182 }
1183
1184 warn $msg;
1185 }
1186
1187 $done{$k} = delete $todo{$k};
1188 push @EXTS, $v->{pkg};
1189 $progress = 1;
934 1 1190 }
935 } or warn "$ext not loaded: $@"; 1191
1192 skip:
1193 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1194 unless $progress;
1195 }
936 } 1196 };
937} 1197}
938 1198
939############################################################################# 1199#############################################################################
940 1200
1201=back
1202
941=head2 CORE EXTENSIONS 1203=head2 CORE EXTENSIONS
942 1204
943Functions and methods that extend core crossfire objects. 1205Functions and methods that extend core crossfire objects.
944 1206
945=cut 1207=cut
957Returns the given player object, loading it if necessary (might block). 1219Returns the given player object, loading it if necessary (might block).
958 1220
959=cut 1221=cut
960 1222
961sub playerdir($) { 1223sub playerdir($) {
962 cf::localdir 1224 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1225 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1226}
968 1227
969sub path($) { 1228sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1229 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1230
972 (playerdir $login) . "/$login.pl" 1231 (playerdir $login) . "/playerdata"
973} 1232}
974 1233
975sub find_active($) { 1234sub find_active($) {
976 $cf::PLAYER{$_[0]} 1235 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1236 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1249 my $login = $_[0];
991 1250
992 my $guard = cf::lock_acquire "user_find:$login"; 1251 my $guard = cf::lock_acquire "user_find:$login";
993 1252
994 $cf::PLAYER{$_[0]} || do { 1253 $cf::PLAYER{$_[0]} || do {
1254 # rename old playerfiles to new ones
1255 #TODO: remove when no longer required
1256 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259 aio_unlink +(playerdir $login) . "/$login.pl";
1260
995 my $pl = load_pl path $login 1261 my $pl = load_pl path $login
996 or return; 1262 or return;
997 $cf::PLAYER{$login} = $pl 1263 $cf::PLAYER{$login} = $pl
998 } 1264 }
999 } 1265 }
1036 1302
1037=cut 1303=cut
1038 1304
1039sub quit_character { 1305sub quit_character {
1040 my ($pl) = @_; 1306 my ($pl) = @_;
1307
1308 my $name = $pl->ob->name;
1041 1309
1042 $pl->{deny_save} = 1; 1310 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1311 $pl->password ("*"); # this should lock out the player until we nuked the dir
1044 1312
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1313 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 my $path = playerdir $pl; 1318 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1319 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1320 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1321 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1322 $pl->destroy;
1323
1324 my $prefix = qr<^~\Q$name\E/>;
1325
1326 # nuke player maps
1327 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1328
1055 IO::AIO::aio_rmtree $temp; 1329 IO::AIO::aio_rmtree $temp;
1330}
1331
1332=item $pl->kick
1333
1334Kicks a player out of the game. This destroys the connection.
1335
1336=cut
1337
1338sub kick {
1339 my ($pl, $kicker) = @_;
1340
1341 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1342 $pl->killer ("kicked");
1343 $pl->ns->destroy;
1056} 1344}
1057 1345
1058=item cf::player::list_logins 1346=item cf::player::list_logins
1059 1347
1060Returns am arrayref of all valid playernames in the system, can take a 1348Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1349while and may block, so not sync_job-capable, ever.
1062 1350
1063=cut 1351=cut
1064 1352
1065sub list_logins { 1353sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1354 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1355 or return [];
1068 1356
1069 my @logins; 1357 my @logins;
1070 1358
1071 for my $login (@$dirs) { 1359 for my $login (@$dirs) {
1106 } 1394 }
1107 1395
1108 \@paths 1396 \@paths
1109} 1397}
1110 1398
1399=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1400
1401Expand crossfire pod fragments into protocol xml.
1402
1403=cut
1404
1405sub expand_cfpod {
1406 ((my $self), (local $_)) = @_;
1407
1408 # escape & and <
1409 s/&/&amp;/g;
1410 s/(?<![BIUGH])</&lt;/g;
1411
1412 # this is buggy, it needs to properly take care of nested <'s
1413
1414 1 while
1415 # replace B<>, I<>, U<> etc.
1416 s/B<([^\>]*)>/<b>$1<\/b>/
1417 || s/I<([^\>]*)>/<i>$1<\/i>/
1418 || s/U<([^\>]*)>/<u>$1<\/u>/
1419 # replace G<male|female> tags
1420 || s{G<([^>|]*)\|([^>]*)>}{
1421 $self->gender ? $2 : $1
1422 }ge
1423 # replace H<hint text>
1424 || s{H<([^\>]*)>}
1425 {
1426 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428 "")
1429 [$self->{hintmode}]
1430 }ge;
1431
1432 # create single paragraphs (very hackish)
1433 s/(?<=\S)\n(?=\w)/ /g;
1434
1435 # compress some whitespace
1436 s/\s+\n/\n/g; # ws line-ends
1437 s/\n\n+/\n/g; # double lines
1438 s/^\n+//; # beginning lines
1439 s/\n+$//; # ending lines
1440
1441 $_
1442}
1443
1444sub hintmode {
1445 $_[0]{hintmode} = $_[1] if @_ > 1;
1446 $_[0]{hintmode}
1447}
1448
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1449=item $player->ext_reply ($msgid, %msg)
1112 1450
1113Sends an ext reply to the player. 1451Sends an ext reply to the player.
1114 1452
1115=cut 1453=cut
1116 1454
1117sub ext_reply($$$%) { 1455sub ext_reply($$%) {
1118 my ($self, $id, %msg) = @_; 1456 my ($self, $id, %msg) = @_;
1119 1457
1120 $msg{msgid} = $id; 1458 $msg{msgid} = $id;
1121 1459 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1460}
1124 1461
1125package cf; 1462=item $player->ext_event ($type, %msg)
1463
1464Sends an ext event to the client.
1465
1466=cut
1467
1468sub ext_event($$%) {
1469 my ($self, $type, %msg) = @_;
1470
1471 $self->ns->ext_event ($type, %msg);
1472}
1473
1474=head3 cf::region
1475
1476=over 4
1477
1478=cut
1479
1480package cf::region;
1481
1482=item cf::region::find_by_path $path
1483
1484Tries to decuce the likely region for a map knowing only its path.
1485
1486=cut
1487
1488sub find_by_path($) {
1489 my ($path) = @_;
1490
1491 my ($match, $specificity);
1492
1493 for my $region (list) {
1494 if ($region->{match} && $path =~ $region->{match}) {
1495 ($match, $specificity) = ($region, $region->specificity)
1496 if $region->specificity > $specificity;
1497 }
1498 }
1499
1500 $match
1501}
1126 1502
1127=back 1503=back
1128
1129 1504
1130=head3 cf::map 1505=head3 cf::map
1131 1506
1132=over 4 1507=over 4
1133 1508
1188 my ($self, $merge) = @_; 1563 my ($self, $merge) = @_;
1189 1564
1190 # we have to keep some variables in memory intact 1565 # we have to keep some variables in memory intact
1191 local $self->{path}; 1566 local $self->{path};
1192 local $self->{load_path}; 1567 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1568
1196 $self->SUPER::thawer_merge ($merge); 1569 $self->SUPER::thawer_merge ($merge);
1197} 1570}
1198 1571
1199sub normalise { 1572sub normalise {
1271 1644
1272# the original (read-only) location 1645# the original (read-only) location
1273sub load_path { 1646sub load_path {
1274 my ($self) = @_; 1647 my ($self) = @_;
1275 1648
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1649 "$MAPDIR/$self->{path}.map"
1277} 1650}
1278 1651
1279# the temporary/swap location 1652# the temporary/swap location
1280sub save_path { 1653sub save_path {
1281 my ($self) = @_; 1654 my ($self) = @_;
1282 1655
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1656 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1657 "$TMPDIR/$path.map"
1285} 1658}
1286 1659
1287# the unique path, undef == no special unique path 1660# the unique path, undef == no special unique path
1288sub uniq_path { 1661sub uniq_path {
1289 my ($self) = @_; 1662 my ($self) = @_;
1290 1663
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1664 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1665 "$UNIQUEDIR/$path"
1293} 1666}
1294 1667
1295# and all this just because we cannot iterate over 1668# and all this just because we cannot iterate over
1296# all maps in C++... 1669# all maps in C++...
1297sub change_all_map_light { 1670sub change_all_map_light {
1299 1672
1300 $_->change_map_light ($change) 1673 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1674 for grep $_->outdoor, values %cf::MAP;
1302} 1675}
1303 1676
1677sub decay_objects {
1678 my ($self) = @_;
1679
1680 return if $self->{deny_reset};
1681
1682 $self->do_decay_objects;
1683}
1684
1304sub unlink_save { 1685sub unlink_save {
1305 my ($self) = @_; 1686 my ($self) = @_;
1306 1687
1307 utf8::encode (my $save = $self->save_path); 1688 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1689 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1690 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1691}
1316 1692
1317sub load_header_from($) { 1693sub load_header_from($) {
1318 my ($self, $path) = @_; 1694 my ($self, $path) = @_;
1319 1695
1369 $self->load_header_orig 1745 $self->load_header_orig
1370 or return; 1746 or return;
1371 $self->prepare_orig; 1747 $self->prepare_orig;
1372 } 1748 }
1373 1749
1750 $self->{deny_reset} = 1
1751 if $self->no_reset;
1752
1753 $self->default_region (cf::region::find_by_path $self->{path})
1754 unless $self->default_region;
1755
1374 1 1756 1
1375} 1757}
1376 1758
1377sub find; 1759sub find;
1378sub find { 1760sub find {
1390 $map->{last_save} = $cf::RUNTIME; 1772 $map->{last_save} = $cf::RUNTIME;
1391 1773
1392 $map->load_header 1774 $map->load_header
1393 or return; 1775 or return;
1394 1776
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1777 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 1778 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 1779 #$cf::WAIT_FOR_TICK->wait;
1398 $map->reset; 1780 $map->reset;
1399 undef $guard; 1781 undef $guard;
1400 return find $path; 1782 return find $path;
1411 my ($self) = @_; 1793 my ($self) = @_;
1412 1794
1413 local $self->{deny_reset} = 1; # loading can take a long time 1795 local $self->{deny_reset} = 1; # loading can take a long time
1414 1796
1415 my $path = $self->{path}; 1797 my $path = $self->{path};
1798
1799 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 1800 my $guard = cf::lock_acquire "map_load:$path";
1417 1801
1418 return if $self->in_memory != cf::MAP_SWAPPED; 1802 return if $self->in_memory != cf::MAP_SWAPPED;
1419 1803
1420 $self->in_memory (cf::MAP_LOADING); 1804 $self->in_memory (cf::MAP_LOADING);
1421 1805
1422 $self->alloc; 1806 $self->alloc;
1423 1807
1424 $self->pre_load; 1808 $self->pre_load;
1425
1426 $self->_load_objects ($self->{load_path}, 1)
1427 or return;
1428
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430 if delete $self->{load_original};
1431
1432 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) {
1435 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0);
1437 }
1438 }
1439
1440 Coro::cede;
1441
1442 # now do the right thing for maps
1443 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede; 1809 Coro::cede;
1450 $self->set_darkness_map; 1810
1811 $self->_load_objects ($self->{load_path}, 1)
1812 or return;
1813
1814 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1815 if delete $self->{load_original};
1816
1817 if (my $uniq = $self->uniq_path) {
1818 utf8::encode $uniq;
1819 if (aio_open $uniq, O_RDONLY, 0) {
1820 $self->clear_unique_items;
1821 $self->_load_objects ($uniq, 0);
1822 }
1823 }
1824
1825 Coro::cede;
1826 # now do the right thing for maps
1827 $self->link_multipart_objects;
1451 $self->difficulty ($self->estimate_difficulty) 1828 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 1829 unless $self->difficulty;
1453 Coro::cede; 1830 Coro::cede;
1831
1832 unless ($self->{deny_activate}) {
1833 $self->decay_objects;
1834 $self->fix_auto_apply;
1835 $self->update_buttons;
1836 Coro::cede;
1837 $self->set_darkness_map;
1838 Coro::cede;
1454 $self->activate; 1839 $self->activate;
1840 }
1841
1842 $self->in_memory (cf::MAP_IN_MEMORY);
1455 } 1843 }
1456 1844
1457 $self->post_load; 1845 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 1846}
1461 1847
1462sub customise_for { 1848sub customise_for {
1463 my ($self, $ob) = @_; 1849 my ($self, $ob) = @_;
1464 1850
1465 return find "~" . $ob->name . "/" . $self->{path} 1851 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 1852 if $self->per_player;
1853
1854# return find "?party/" . $ob->name . "/" . $self->{path}
1855# if $self->per_party;
1467 1856
1468 $self 1857 $self
1469} 1858}
1470 1859
1471# find and load all maps in the 3x3 area around a map 1860# find and load all maps in the 3x3 area around a map
1582 1971
1583sub reset_at { 1972sub reset_at {
1584 my ($self) = @_; 1973 my ($self) = @_;
1585 1974
1586 # TODO: safety, remove and allow resettable per-player maps 1975 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 1976 return 1e99 if $self->{deny_reset};
1589 1977
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1978 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1979 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 1980
1603 my ($self) = @_; 1991 my ($self) = @_;
1604 1992
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 1993 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 1994
1607 return if $self->players; 1995 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 1996
1610 warn "resetting map ", $self->path;#d# 1997 warn "resetting map ", $self->path;
1611 1998
1612 $self->in_memory (cf::MAP_SWAPPED); 1999 $self->in_memory (cf::MAP_SWAPPED);
1613 2000
1614 # need to save uniques path 2001 # need to save uniques path
1615 unless ($self->{deny_save}) { 2002 unless ($self->{deny_save}) {
1647 $cf::MAP{$self->path} = $self; 2034 $cf::MAP{$self->path} = $self;
1648 2035
1649 $self->reset; # polite request, might not happen 2036 $self->reset; # polite request, might not happen
1650} 2037}
1651 2038
2039=item $maps = cf::map::tmp_maps
2040
2041Returns an arrayref with all map paths of currently instantiated and saved
2042maps. May block.
2043
2044=cut
2045
2046sub tmp_maps() {
2047 [
2048 map {
2049 utf8::decode $_;
2050 /\.map$/
2051 ? normalise $_
2052 : ()
2053 } @{ aio_readdir $TMPDIR or [] }
2054 ]
2055}
2056
2057=item $maps = cf::map::random_maps
2058
2059Returns an arrayref with all map paths of currently instantiated and saved
2060random maps. May block.
2061
2062=cut
2063
2064sub random_maps() {
2065 [
2066 map {
2067 utf8::decode $_;
2068 /\.map$/
2069 ? normalise "?random/$_"
2070 : ()
2071 } @{ aio_readdir $RANDOMDIR or [] }
2072 ]
2073}
2074
1652=item cf::map::unique_maps 2075=item cf::map::unique_maps
1653 2076
1654Returns an arrayref of paths of all shared maps that have 2077Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2078instantiated unique items. May block.
1656 2079
1657=cut 2080=cut
1658 2081
1659sub unique_maps() { 2082sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2083 [
1661 or return; 2084 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2085 utf8::decode $_;
1667 next if /\.pst$/; 2086 /\.map$/
1668 next unless /^$PATH_SEP/o; 2087 ? normalise $_
1669 2088 : ()
1670 push @paths, cf::map::normalise $_; 2089 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2090 ]
1672
1673 \@paths
1674} 2091}
1675 2092
1676package cf; 2093package cf;
1677 2094
1678=back 2095=back
1724 2141
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2142 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2143
1727 if ($self->{record_replies}) { 2144 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2145 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2146
1729 } else { 2147 } else {
2148 my $pl = $self->contr;
2149
2150 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151 my $diag = $pl->{npc_dialog};
2152 $diag->{pl}->ext_reply (
2153 $diag->{id},
2154 msgtype => "reply",
2155 msg => $diag->{pl}->expand_cfpod ($msg),
2156 add_topics => []
2157 );
2158
2159 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2160 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2161 $self->message ($msg, $flags);
2162 }
1732 } 2163 }
1733} 2164}
1734 2165
1735=item $player_object->may ("access") 2166=item $player_object->may ("access")
1736 2167
1784 $self->deactivate_recursive; 2215 $self->deactivate_recursive;
1785 2216
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2217 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2218
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2219 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2220 if $self->map && $self->map->{path} ne "{link}";
1790 2221
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2222 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2223}
1793 2224
1794sub cf::object::player::leave_link { 2225sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2226 my ($self, $map, $x, $y) = @_;
2227
2228 return unless $self->contr->active;
1796 2229
1797 my $link_pos = delete $self->{_link_pos}; 2230 my $link_pos = delete $self->{_link_pos};
1798 2231
1799 unless ($map) { 2232 unless ($map) {
1800 # restore original map position 2233 # restore original map position
1818 $map->load; 2251 $map->load;
1819 $map->load_diag; 2252 $map->load_diag;
1820 2253
1821 return unless $self->contr->active; 2254 return unless $self->contr->active;
1822 $self->activate_recursive; 2255 $self->activate_recursive;
2256
2257 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823 $self->enter_map ($map, $x, $y); 2258 $self->enter_map ($map, $x, $y);
1824} 2259}
1825 2260
1826cf::player->attach (
1827 on_logout => sub {
1828 my ($pl) = @_;
1829
1830 # abort map switching before logout
1831 if ($pl->ob->{_link_pos}) {
1832 cf::sync_job {
1833 $pl->ob->leave_link
1834 };
1835 }
1836 },
1837 on_login => sub {
1838 my ($pl) = @_;
1839
1840 # try to abort aborted map switching on player login :)
1841 # should happen only on crashes
1842 if ($pl->ob->{_link_pos}) {
1843 $pl->ob->enter_link;
1844 (async {
1845 # we need this sleep as the login has a concurrent enter_exit running
1846 # and this sleep increases chances of the player not ending up in scorn
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 Coro::Timer::sleep 1;
1852 $pl->ob->leave_link;
1853 })->prio (2);
1854 }
1855 },
1856);
1857
1858=item $player_object->goto ($path, $x, $y) 2261=item $player_object->goto ($path, $x, $y[, $check->($map)])
1859 2262
2263Moves the player to the given map-path and coordinates by first freezing
2264her, loading and preparing them map, calling the provided $check callback
2265that has to return the map if sucecssful, and then unfreezes the player on
2266the new (success) or old (failed) map position.
2267
1860=cut 2268=cut
2269
2270our $GOTOGEN;
1861 2271
1862sub cf::object::player::goto { 2272sub cf::object::player::goto {
1863 my ($self, $path, $x, $y) = @_; 2273 my ($self, $path, $x, $y, $check) = @_;
2274
2275 # do generation counting so two concurrent goto's will be executed in-order
2276 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864 2277
1865 $self->enter_link; 2278 $self->enter_link;
1866 2279
1867 (async { 2280 (async {
1868 my $map = eval { 2281 my $map = eval {
1869 my $map = cf::map::find $path; 2282 my $map = cf::map::find $path;
2283
2284 if ($map) {
1870 $map = $map->customise_for ($self) if $map; 2285 $map = $map->customise_for ($self);
2286 $map = $check->($map) if $check && $map;
2287 } else {
2288 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2289 }
2290
1871 $map 2291 $map
2292 };
2293
2294 if ($@) {
2295 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2296 LOG llevError | logBacktrace, Carp::longmess $@;
1872 } or 2297 }
1873 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874 2298
2299 if ($gen == $self->{_goto_generation}) {
2300 delete $self->{_goto_generation};
1875 $self->leave_link ($map, $x, $y); 2301 $self->leave_link ($map, $x, $y);
2302 }
1876 })->prio (1); 2303 })->prio (1);
1877} 2304}
1878 2305
1879=item $player_object->enter_exit ($exit_object) 2306=item $player_object->enter_exit ($exit_object)
1880 2307
1919 2346
1920 $rmp->{random_seed} ||= $exit->random_seed; 2347 $rmp->{random_seed} ||= $exit->random_seed;
1921 2348
1922 my $data = cf::to_json $rmp; 2349 my $data = cf::to_json $rmp;
1923 my $md5 = Digest::MD5::md5_hex $data; 2350 my $md5 = Digest::MD5::md5_hex $data;
1924 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2351 my $meta = "$RANDOMDIR/$md5.meta";
1925 2352
1926 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2353 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927 aio_write $fh, 0, (length $data), $data, 0; 2354 aio_write $fh, 0, (length $data), $data, 0;
1928 undef $fh; 2355 undef $fh;
1929 aio_rename "$meta~", $meta; 2356 aio_rename "$meta~", $meta;
1938 2365
1939 return unless $self->type == cf::PLAYER; 2366 return unless $self->type == cf::PLAYER;
1940 2367
1941 if ($exit->slaying eq "/!") { 2368 if ($exit->slaying eq "/!") {
1942 #TODO: this should de-fi-ni-te-ly not be a sync-job 2369 #TODO: this should de-fi-ni-te-ly not be a sync-job
2370 # the problem is that $exit might not survive long enough
2371 # so it needs to be done right now, right here
1943 cf::sync_job { prepare_random_map $exit }; 2372 cf::sync_job { prepare_random_map $exit };
1944 } 2373 }
1945 2374
1946 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2375 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947 my $hp = $exit->stats->hp; 2376 my $hp = $exit->stats->hp;
1948 my $sp = $exit->stats->sp; 2377 my $sp = $exit->stats->sp;
1949 2378
1950 $self->enter_link; 2379 $self->enter_link;
2380
2381 # if exit is damned, update players death & WoR home-position
2382 $self->contr->savebed ($slaying, $hp, $sp)
2383 if $exit->flag (FLAG_DAMNED);
1951 2384
1952 (async { 2385 (async {
1953 $self->deactivate_recursive; # just to be sure 2386 $self->deactivate_recursive; # just to be sure
1954 unless (eval { 2387 unless (eval {
1955 $self->goto ($slaying, $hp, $sp); 2388 $self->goto ($slaying, $hp, $sp);
1956 2389
1957 1; 2390 1;
1958 }) { 2391 }) {
1959 $self->message ("Something went wrong deep within the crossfire server. " 2392 $self->message ("Something went wrong deep within the crossfire server. "
1960 . "I'll try to bring you back to the map you were before. " 2393 . "I'll try to bring you back to the map you were before. "
1961 . "Please report this to the dungeon master!", 2394 . "Please report this to the dungeon master!",
1962 cf::NDI_UNIQUE | cf::NDI_RED); 2395 cf::NDI_UNIQUE | cf::NDI_RED);
1963 2396
1964 warn "ERROR in enter_exit: $@"; 2397 warn "ERROR in enter_exit: $@";
1965 $self->leave_link; 2398 $self->leave_link;
1966 } 2399 }
1967 })->prio (1); 2400 })->prio (1);
1980 2413
1981sub cf::client::send_drawinfo { 2414sub cf::client::send_drawinfo {
1982 my ($self, $text, $flags) = @_; 2415 my ($self, $text, $flags) = @_;
1983 2416
1984 utf8::encode $text; 2417 utf8::encode $text;
1985 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2418 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986} 2419}
1987 2420
2421=item $client->send_msg ($color, $type, $msg, [extra...])
2422
2423Send a drawinfo or msg packet to the client, formatting the msg for the
2424client if neccessary. C<$type> should be a string identifying the type of
2425the message, with C<log> being the default. If C<$color> is negative, suppress
2426the message unless the client supports the msg packet.
2427
2428=cut
2429
2430sub cf::client::send_msg {
2431 my ($self, $color, $type, $msg, @extra) = @_;
2432
2433 $msg = $self->pl->expand_cfpod ($msg);
2434
2435 return unless @extra || length $msg;
2436
2437 if ($self->can_msg) {
2438 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
2439 } else {
2440 # replace some tags by gcfclient-compatible ones
2441 for ($msg) {
2442 1 while
2443 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2444 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2445 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2446 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2447 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2448 }
2449
2450 if ($color >= 0) {
2451 if (0 && $msg =~ /\[/) {
2452 $self->send_packet ("drawextinfo $color 4 0 $msg")
2453 } else {
2454 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2455 $self->send_packet ("drawinfo $color $msg")
2456 }
2457 }
2458 }
2459}
2460
2461=item $client->ext_event ($type, %msg)
2462
2463Sends an ext event to the client.
2464
2465=cut
2466
2467sub cf::client::ext_event($$%) {
2468 my ($self, $type, %msg) = @_;
2469
2470 return unless $self->extcmd;
2471
2472 $msg{msgtype} = "event_$type";
2473 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
2474}
1988 2475
1989=item $success = $client->query ($flags, "text", \&cb) 2476=item $success = $client->query ($flags, "text", \&cb)
1990 2477
1991Queues a query to the client, calling the given callback with 2478Queues a query to the client, calling the given callback with
1992the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2479the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2480C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994 2481
1995Queries can fail, so check the return code. Or don't, as queries will become 2482Queries can fail, so check the return code. Or don't, as queries will
1996reliable at some point in the future. 2483become reliable at some point in the future.
1997 2484
1998=cut 2485=cut
1999 2486
2000sub cf::client::query { 2487sub cf::client::query {
2001 my ($self, $flags, $text, $cb) = @_; 2488 my ($self, $flags, $text, $cb) = @_;
2009 utf8::encode $text; 2496 utf8::encode $text;
2010 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2497 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011 2498
2012 $self->send_packet ($self->{query_queue}[0][0]) 2499 $self->send_packet ($self->{query_queue}[0][0])
2013 if @{ $self->{query_queue} } == 1; 2500 if @{ $self->{query_queue} } == 1;
2501
2502 1
2014} 2503}
2015 2504
2016cf::client->attach ( 2505cf::client->attach (
2506 on_connect => sub {
2507 my ($ns) = @_;
2508
2509 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2510 },
2017 on_reply => sub { 2511 on_reply => sub {
2018 my ($ns, $msg) = @_; 2512 my ($ns, $msg) = @_;
2019 2513
2020 # this weird shuffling is so that direct followup queries 2514 # this weird shuffling is so that direct followup queries
2021 # get handled first 2515 # get handled first
2033 } else { 2527 } else {
2034 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2528 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035 } 2529 }
2036 } 2530 }
2037 }, 2531 },
2532 on_exticmd => sub {
2533 my ($ns, $buf) = @_;
2534
2535 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2536
2537 if (ref $msg) {
2538 if (my $cb = $EXTICMD{$msg->{msgtype}}) {
2539 if (my %reply = $cb->($ns, $msg)) {
2540 $reply{msgid} = $msg->{msgid};
2541 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2542 }
2543 }
2544 } else {
2545 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2546 }
2547
2548 cf::override;
2549 },
2038); 2550);
2039 2551
2040=item $client->async (\&cb) 2552=item $client->async (\&cb)
2041 2553
2042Create a new coroutine, running the specified callback. The coroutine will 2554Create a new coroutine, running the specified callback. The coroutine will
2089 2601
2090# here we export the classes and methods available to script code 2602# here we export the classes and methods available to script code
2091 2603
2092=pod 2604=pod
2093 2605
2094The following fucntions and emthods are available within a safe environment: 2606The following functions and methods are available within a safe environment:
2095 2607
2096 cf::object contr pay_amount pay_player map 2608 cf::object
2609 contr pay_amount pay_player map x y force_find force_add
2610 insert remove
2611
2097 cf::object::player player 2612 cf::object::player
2098 cf::player peaceful 2613 player
2099 cf::map trigger 2614
2615 cf::player
2616 peaceful
2617
2618 cf::map
2619 trigger
2100 2620
2101=cut 2621=cut
2102 2622
2103for ( 2623for (
2104 ["cf::object" => qw(contr pay_amount pay_player map)], 2624 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2625 insert remove)],
2105 ["cf::object::player" => qw(player)], 2626 ["cf::object::player" => qw(player)],
2106 ["cf::player" => qw(peaceful)], 2627 ["cf::player" => qw(peaceful)],
2107 ["cf::map" => qw(trigger)], 2628 ["cf::map" => qw(trigger)],
2108) { 2629) {
2109 no strict 'refs'; 2630 no strict 'refs';
2180=back 2701=back
2181 2702
2182=cut 2703=cut
2183 2704
2184############################################################################# 2705#############################################################################
2185
2186=head2 EXTENSION DATABASE SUPPORT
2187
2188Crossfire maintains a very simple database for extension use. It can
2189currently store anything that can be serialised using Storable, which
2190excludes objects.
2191
2192The parameter C<$family> should best start with the name of the extension
2193using it, it should be unique.
2194
2195=over 4
2196
2197=item $value = cf::db_get $family => $key
2198
2199Returns a single value from the database.
2200
2201=item cf::db_put $family => $key => $value
2202
2203Stores the given C<$value> in the family.
2204
2205=cut
2206
2207our $DB;
2208
2209sub db_init {
2210 unless ($DB) {
2211 $DB = BDB::db_create $DB_ENV;
2212
2213 cf::sync_job {
2214 eval {
2215 $DB->set_flags (BDB::CHKSUM);
2216
2217 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219 cf::cleanup "db_open(db): $!" if $!;
2220 };
2221 cf::cleanup "db_open(db): $@" if $@;
2222 };
2223
2224 my $path = cf::localdir . "/database.pst";
2225 if (stat $path) {
2226 cf::sync_job {
2227 my $pst = Storable::retrieve $path;
2228
2229 cf::db_put (board => data => $pst->{board});
2230 cf::db_put (guildrules => data => $pst->{guildrules});
2231 cf::db_put (rent => balance => $pst->{rent}{balance});
2232 BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234 unlink $path;
2235 };
2236 }
2237 }
2238}
2239
2240sub db_get($$) {
2241 my $key = "$_[0]/$_[1]";
2242
2243 cf::sync_job {
2244 BDB::db_get $DB, undef, $key, my $data;
2245
2246 $! ? ()
2247 : Compress::LZF::sthaw $data
2248 }
2249}
2250
2251sub db_put($$$) {
2252 BDB::dbreq_pri 4;
2253 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254}
2255
2256#############################################################################
2257# the server's init and main functions 2706# the server's init and main functions
2258 2707
2259sub load_resources { 2708sub load_facedata($) {
2260 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2709 my ($path) = @_;
2710
2711 warn "loading facedata from $path\n";
2712
2713 my $facedata;
2714 0 < aio_load $path, $facedata
2715 or die "$path: $!";
2716
2717 $facedata = Coro::Storable::thaw $facedata;
2718
2719 $facedata->{version} == 2
2720 or cf::cleanup "$path: version mismatch, cannot proceed.";
2721
2722 {
2723 my $faces = $facedata->{faceinfo};
2724
2725 while (my ($face, $info) = each %$faces) {
2726 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2727 cf::face::set_visibility $idx, $info->{visibility};
2728 cf::face::set_magicmap $idx, $info->{magicmap};
2729 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2730 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2731
2732 cf::cede_to_tick;
2733 }
2734
2735 while (my ($face, $info) = each %$faces) {
2736 next unless $info->{smooth};
2737 my $idx = cf::face::find $face
2738 or next;
2739 if (my $smooth = cf::face::find $info->{smooth}) {
2740 cf::face::set_smooth $idx, $smooth;
2741 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2742 } else {
2743 warn "smooth face '$info->{smooth}' not found for face '$face'";
2744 }
2745
2746 cf::cede_to_tick;
2747 }
2748 }
2749
2750 {
2751 my $anims = $facedata->{animinfo};
2752
2753 while (my ($anim, $info) = each %$anims) {
2754 cf::anim::set $anim, $info->{frames}, $info->{facings};
2755 cf::cede_to_tick;
2756 }
2757
2758 cf::anim::invalidate_all; # d'oh
2759 }
2760
2761 {
2762 # TODO: for gcfclient pleasure, we should give resources
2763 # that gcfclient doesn't grok a >10000 face index.
2764 my $res = $facedata->{resource};
2765 my $enc = JSON::XS->new->utf8->canonical;
2766
2767 while (my ($name, $info) = each %$res) {
2768 my $meta = $enc->encode ({
2769 name => $name,
2770 type => $info->{type},
2771 copyright => $info->{copyright}, #TODO#
2772 });
2773 my $data = pack "(w/a*)*", $meta, $info->{data};
2774 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2775
2776 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2777 cf::face::set_type $idx, 1;
2778 cf::face::set_data $idx, 0, $data, $chk;
2779
2780 cf::cede_to_tick;
2781 }
2782 }
2783
2784 1
2785}
2786
2787sub reload_regions {
2788 load_resource_file "$MAPDIR/regions"
2261 or die "unable to load regions file\n";#d# 2789 or die "unable to load regions file\n";
2790
2791 for (cf::region::list) {
2792 $_->{match} = qr/$_->{match}/
2793 if exists $_->{match};
2794 }
2795}
2796
2797sub reload_facedata {
2798 load_facedata "$DATADIR/facedata"
2799 or die "unable to load facedata\n";
2800}
2801
2802sub reload_archetypes {
2803 load_resource_file "$DATADIR/archetypes"
2804 or die "unable to load archetypes\n";
2805 #d# NEED to laod twice to resolve forward references
2806 # this really needs to be done in an extra post-pass
2807 # (which needs to be synchronous, so solve it differently)
2808 load_resource_file "$DATADIR/archetypes"
2809 or die "unable to load archetypes\n";
2810}
2811
2812sub reload_treasures {
2813 load_resource_file "$DATADIR/treasures"
2814 or die "unable to load treasurelists\n";
2815}
2816
2817sub reload_resources {
2818 warn "reloading resource files...\n";
2819
2820 reload_regions;
2821 reload_facedata;
2822 #reload_archetypes;#d#
2823 reload_archetypes;
2824 reload_treasures;
2825
2826 warn "finished reloading resource files\n";
2827}
2828
2829sub init {
2830 reload_resources;
2262} 2831}
2263 2832
2264sub cfg_load { 2833sub cfg_load {
2265 open my $fh, "<:utf8", cf::confdir . "/config" 2834 open my $fh, "<:utf8", "$CONFDIR/config"
2266 or return; 2835 or return;
2267 2836
2268 local $/; 2837 local $/;
2269 *CFG = YAML::Syck::Load <$fh>; 2838 *CFG = YAML::Syck::Load <$fh>;
2270 2839
2278 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2847 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2279 and die "WARNING: m(un)lockall failed: $!\n"; 2848 and die "WARNING: m(un)lockall failed: $!\n";
2280 }; 2849 };
2281 warn $@ if $@; 2850 warn $@ if $@;
2282 } 2851 }
2283}
2284
2285sub init {
2286 load_resources;
2287} 2852}
2288 2853
2289sub main { 2854sub main {
2290 # we must not ever block the main coroutine 2855 # we must not ever block the main coroutine
2291 local $Coro::idle = sub { 2856 local $Coro::idle = sub {
2319 }, 2884 },
2320 ); 2885 );
2321 } 2886 }
2322} 2887}
2323 2888
2889sub write_runtime {
2890 my $runtime = "$LOCALDIR/runtime";
2891
2892 # first touch the runtime file to show we are still running:
2893 # the fsync below can take a very very long time.
2894
2895 IO::AIO::aio_utime $runtime, undef, undef;
2896
2897 my $guard = cf::lock_acquire "write_runtime";
2898
2899 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
2900 or return;
2901
2902 my $value = $cf::RUNTIME + 90 + 10;
2903 # 10 is the runtime save interval, for a monotonic clock
2904 # 60 allows for the watchdog to kill the server.
2905
2906 (aio_write $fh, 0, (length $value), $value, 0) <= 0
2907 and return;
2908
2909 # always fsync - this file is important
2910 aio_fsync $fh
2911 and return;
2912
2913 # touch it again to show we are up-to-date
2914 aio_utime $fh, undef, undef;
2915
2916 close $fh
2917 or return;
2918
2919 aio_rename "$runtime~", $runtime
2920 and return;
2921
2922 warn "runtime file written.\n";
2923
2924 1
2925}
2926
2324sub emergency_save() { 2927sub emergency_save() {
2325 my $freeze_guard = cf::freeze_mainloop; 2928 my $freeze_guard = cf::freeze_mainloop;
2326 2929
2327 warn "enter emergency perl save\n"; 2930 warn "enter emergency perl save\n";
2328 2931
2359 2962
2360 warn Carp::longmess "post_cleanup backtrace" 2963 warn Carp::longmess "post_cleanup backtrace"
2361 if $make_core; 2964 if $make_core;
2362} 2965}
2363 2966
2364sub reload() { 2967sub do_reload_perl() {
2365 # can/must only be called in main 2968 # can/must only be called in main
2366 if ($Coro::current != $Coro::main) { 2969 if ($Coro::current != $Coro::main) {
2367 warn "can only reload from main coroutine"; 2970 warn "can only reload from main coroutine";
2368 return; 2971 return;
2369 } 2972 }
2394 Coro::cede; 2997 Coro::cede;
2395 last unless IO::AIO::nreqs || BDB::nreqs; 2998 last unless IO::AIO::nreqs || BDB::nreqs;
2396 warn "iterate..."; 2999 warn "iterate...";
2397 } 3000 }
2398 3001
3002 ++$RELOAD;
3003
2399 warn "cancelling all extension coros"; 3004 warn "cancelling all extension coros";
2400 $_->cancel for values %EXT_CORO; 3005 $_->cancel for values %EXT_CORO;
2401 %EXT_CORO = (); 3006 %EXT_CORO = ();
2402 3007
2403 warn "removing commands"; 3008 warn "removing commands";
2404 %COMMAND = (); 3009 %COMMAND = ();
2405 3010
2406 warn "removing ext commands"; 3011 warn "removing ext/exti commands";
2407 %EXTCMD = (); 3012 %EXTCMD = ();
3013 %EXTICMD = ();
2408 3014
2409 warn "unloading/nuking all extensions"; 3015 warn "unloading/nuking all extensions";
2410 for my $pkg (@EXTS) { 3016 for my $pkg (@EXTS) {
2411 warn "... unloading $pkg"; 3017 warn "... unloading $pkg";
2412 3018
2442 Symbol::delete_package "safe::$_" 3048 Symbol::delete_package "safe::$_"
2443 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3049 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444 3050
2445 warn "unloading cf.pm \"a bit\""; 3051 warn "unloading cf.pm \"a bit\"";
2446 delete $INC{"cf.pm"}; 3052 delete $INC{"cf.pm"};
3053 delete $INC{"cf/pod.pm"};
2447 3054
2448 # don't, removes xs symbols, too, 3055 # don't, removes xs symbols, too,
2449 # and global variables created in xs 3056 # and global variables created in xs
2450 #Symbol::delete_package __PACKAGE__; 3057 #Symbol::delete_package __PACKAGE__;
2451 3058
2460 3067
2461 warn "loading extensions"; 3068 warn "loading extensions";
2462 cf::load_extensions; 3069 cf::load_extensions;
2463 3070
2464 warn "reattaching attachments to objects/players"; 3071 warn "reattaching attachments to objects/players";
2465 _global_reattach; 3072 _global_reattach; # objects, sockets
2466 warn "reattaching attachments to maps"; 3073 warn "reattaching attachments to maps";
2467 reattach $_ for values %MAP; 3074 reattach $_ for values %MAP;
2468 3075 warn "reattaching attachments to players";
2469 warn "loading reloadable resources"; 3076 reattach $_ for values %PLAYER;
2470 load_resources;
2471 3077
2472 warn "leaving sync_job"; 3078 warn "leaving sync_job";
2473 3079
2474 1 3080 1
2475 } or do { 3081 } or do {
2481 warn "reloaded"; 3087 warn "reloaded";
2482}; 3088};
2483 3089
2484our $RELOAD_WATCHER; # used only during reload 3090our $RELOAD_WATCHER; # used only during reload
2485 3091
3092sub reload_perl() {
3093 # doing reload synchronously and two reloads happen back-to-back,
3094 # coro crashes during coro_state_free->destroy here.
3095
3096 $RELOAD_WATCHER ||= Event->timer (
3097 reentrant => 0,
3098 after => 0,
3099 data => WF_AUTOCANCEL,
3100 cb => sub {
3101 do_reload_perl;
3102 undef $RELOAD_WATCHER;
3103 },
3104 );
3105}
3106
2486register_command "reload" => sub { 3107register_command "reload" => sub {
2487 my ($who, $arg) = @_; 3108 my ($who, $arg) = @_;
2488 3109
2489 if ($who->flag (FLAG_WIZ)) { 3110 if ($who->flag (FLAG_WIZ)) {
2490 $who->message ("reloading server."); 3111 $who->message ("reloading server.");
2491 3112 async { reload_perl };
2492 # doing reload synchronously and two reloads happen back-to-back,
2493 # coro crashes during coro_state_free->destroy here.
2494
2495 $RELOAD_WATCHER ||= Event->timer (
2496 reentrant => 0,
2497 after => 0,
2498 data => WF_AUTOCANCEL,
2499 cb => sub {
2500 reload;
2501 undef $RELOAD_WATCHER;
2502 },
2503 );
2504 } 3113 }
2505}; 3114};
2506 3115
2507unshift @INC, $LIBDIR; 3116unshift @INC, $LIBDIR;
2508 3117
2509my $bug_warning = 0; 3118my $bug_warning = 0;
2510 3119
3120our @WAIT_FOR_TICK;
3121our @WAIT_FOR_TICK_BEGIN;
3122
3123sub wait_for_tick {
3124 return unless $TICK_WATCHER->is_active;
3125 return if $Coro::current == $Coro::main;
3126
3127 my $signal = new Coro::Signal;
3128 push @WAIT_FOR_TICK, $signal;
3129 $signal->wait;
3130}
3131
3132sub wait_for_tick_begin {
3133 return unless $TICK_WATCHER->is_active;
3134 return if $Coro::current == $Coro::main;
3135
3136 my $signal = new Coro::Signal;
3137 push @WAIT_FOR_TICK_BEGIN, $signal;
3138 $signal->wait;
3139}
3140
3141 my $min = 1e6;#d#
3142 my $avg = 10;
2511$TICK_WATCHER = Event->timer ( 3143$TICK_WATCHER = Event->timer (
2512 reentrant => 0, 3144 reentrant => 0,
2513 parked => 1, 3145 parked => 1,
2514 prio => 0, 3146 prio => 0,
2515 at => $NEXT_TICK || $TICK, 3147 at => $NEXT_TICK || $TICK,
2519 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3151 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520 unless ++$bug_warning > 10; 3152 unless ++$bug_warning > 10;
2521 return; 3153 return;
2522 } 3154 }
2523 3155
2524 $NOW = Event::time; 3156 $NOW = $tick_start = Event::time;
2525 3157
2526 cf::server_tick; # one server iteration 3158 cf::server_tick; # one server iteration
3159
3160 0 && sync_job {#d#
3161 for(1..10) {
3162 my $t = Event::time;
3163 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3164 or die;
3165
3166 $map->width (50);
3167 $map->height (50);
3168 $map->alloc;
3169 $map->_load_objects ("/tmp/x.map", 1);
3170 my $t = Event::time - $t;
3171
3172 #next unless $t < 0.0013;#d#
3173 if ($t < $min) {
3174 $min = $t;
3175 }
3176 $avg = $avg * 0.99 + $t * 0.01;
3177 }
3178 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3179 exit 0;
3180 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3181 };
3182
2527 $RUNTIME += $TICK; 3183 $RUNTIME += $TICK;
2528 $NEXT_TICK += $TICK; 3184 $NEXT_TICK += $TICK;
2529 3185
2530 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3186 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531 $NEXT_RUNTIME_WRITE = $NOW + 10; 3187 $NEXT_RUNTIME_WRITE = $NOW + 10;
2533 write_runtime 3189 write_runtime
2534 or warn "ERROR: unable to write runtime file: $!"; 3190 or warn "ERROR: unable to write runtime file: $!";
2535 }; 3191 };
2536 } 3192 }
2537 3193
2538
2539 $WAIT_FOR_TICK->broadcast;
2540 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542# my $AFTER = Event::time; 3194# my $AFTER = Event::time;
2543# warn $AFTER - $NOW;#d# 3195# warn $AFTER - $NOW;#d#
2544 3196
3197 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3198 $sig->send;
3199 }
3200 while (my $sig = shift @WAIT_FOR_TICK) {
3201 $sig->send;
3202 }
3203
3204 $NOW = Event::time;
3205
2545 # if we are delayed by four ticks or more, skip them all 3206 # if we are delayed by four ticks or more, skip them all
2546 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3207 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2547 3208
2548 $TICK_WATCHER->at ($NEXT_TICK); 3209 $TICK_WATCHER->at ($NEXT_TICK);
2549 $TICK_WATCHER->start; 3210 $TICK_WATCHER->start;
3211
3212 $LOAD = ($NOW - $tick_start) / $TICK;
3213 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3214
3215 _post_tick;
3216
3217
2550 }, 3218 },
2551); 3219);
2552 3220
2553{ 3221{
2554 BDB::max_poll_time $TICK * 0.1; 3222 BDB::max_poll_time $TICK * 0.1;
2582 3250
2583 cf::sync_job { 3251 cf::sync_job {
2584 eval { 3252 eval {
2585 BDB::db_env_open 3253 BDB::db_env_open
2586 $DB_ENV, 3254 $DB_ENV,
2587 $BDB_ENV_DIR, 3255 $BDBDIR,
2588 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3256 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3257 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590 0666; 3258 0666;
2591 3259
2592 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3260 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593 3261
2594 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); 3262 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595 $DB_ENV->set_lk_detect; 3263 $DB_ENV->set_lk_detect;
2596 }; 3264 };
2597 3265
2613 prio => 6, 3281 prio => 6,
2614 cb => \&IO::AIO::poll_cb, 3282 cb => \&IO::AIO::poll_cb,
2615 ); 3283 );
2616} 3284}
2617 3285
3286my $_log_backtrace;
3287
3288sub _log_backtrace {
3289 my ($msg, @addr) = @_;
3290
3291 $msg =~ s/\n//;
3292
3293 # limit the # of concurrent backtraces
3294 if ($_log_backtrace < 2) {
3295 ++$_log_backtrace;
3296 async {
3297 my @bt = fork_call {
3298 @addr = map { sprintf "%x", $_ } @addr;
3299 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3300 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3301 or die "addr2line: $!";
3302
3303 my @funcs;
3304 my @res = <$fh>;
3305 chomp for @res;
3306 while (@res) {
3307 my ($func, $line) = splice @res, 0, 2, ();
3308 push @funcs, "[$func] $line";
3309 }
3310
3311 @funcs
3312 };
3313
3314 LOG llevInfo, "[ABT] $msg\n";
3315 LOG llevInfo, "[ABT] $_\n" for @bt;
3316 --$_log_backtrace;
3317 };
3318 } else {
3319 LOG llevInfo, "[ABT] $msg\n";
3320 LOG llevInfo, "[ABT] [suppressed]\n";
3321 }
3322}
3323
3324# load additional modules
3325use cf::pod;
3326
2618END { cf::emergency_save } 3327END { cf::emergency_save }
2619 3328
26201 33291
2621 3330

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines