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 1.129 by root, Wed Jan 3 00:41:19 2007 UTC vs.
Revision 1.248 by root, Tue Apr 17 18:40:32 2007 UTC

4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.3 (); 14use Coro 3.61 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
21use Coro::Storable;
19 22
23use BDB ();
24use Data::Dumper;
20use Digest::MD5; 25use Digest::MD5;
21use Fcntl; 26use Fcntl;
22use IO::AIO 2.31 ();
23use YAML::Syck (); 27use YAML::Syck ();
28use IO::AIO 2.32 ();
24use Time::HiRes; 29use Time::HiRes;
30use Compress::LZF;
25 31
32# configure various modules to our taste
33#
34$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38$Event::Eval = 1; # no idea why this is required, but it is
27 39
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 41$YAML::Syck::ImplicitUnicode = 1;
30 42
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 44
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 46
35our %COMMAND = (); 47our %COMMAND = ();
36our %COMMAND_TIME = (); 48our %COMMAND_TIME = ();
49
50our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 51our %EXTCMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps
38 54
55our $RELOAD; # number of reloads so far
39our @EVENT; 56our @EVENT;
40our $LIBDIR = datadir . "/ext"; 57our $LIBDIR = datadir . "/ext";
41 58
42our $TICK = MAX_TIME * 1e-6; 59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 63our $NEXT_TICK;
45our $NOW; 64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off
66
67our $BDB_POLL_WATCHER;
68our $DB_ENV;
46 69
47our %CFG; 70our %CFG;
48 71
49our $UPTIME; $UPTIME ||= time; 72our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 73our $RUNTIME;
51 74
75our %PLAYER; # all users
52our %MAP; # all maps 76our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 77our $LINK_MAP; # the special {link} map, which is always available
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 78our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 83
58binmode STDOUT; 84binmode STDOUT;
59binmode STDERR; 85binmode STDERR;
60 86
61# read virtual server time, if available 87# read virtual server time, if available
68mkdir cf::localdir; 94mkdir cf::localdir;
69mkdir cf::localdir . "/" . cf::playerdir; 95mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 96mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 97mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
73 100
74# a special map that is always available 101our $EMERGENCY_POSITION;
75our $LINK_MAP;
76 102
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 103sub cf::map::normalise;
78 104
79############################################################################# 105#############################################################################
80 106
81=head2 GLOBAL VARIABLES 107=head2 GLOBAL VARIABLES
82 108
106 132
107=item %cf::CFG 133=item %cf::CFG
108 134
109Configuration for the server, loaded from C</etc/crossfire/config>, or 135Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 136from wherever your confdir points to.
137
138=item cf::wait_for_tick, cf::wait_for_tick_begin
139
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
111 143
112=back 144=back
113 145
114=cut 146=cut
115 147
119 utf8::encode $msg; 151 utf8::encode $msg;
120 152
121 $msg .= "\n" 153 $msg .= "\n"
122 unless $msg =~ /\n$/; 154 unless $msg =~ /\n$/;
123 155
124 LOG llevError, "cfperl: $msg"; 156 LOG llevError, $msg;
125 }; 157 };
126} 158}
127 159
128@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
147 179
148$Event::DIED = sub { 180$Event::DIED = sub {
149 warn "error in event callback: @_"; 181 warn "error in event callback: @_";
150}; 182};
151 183
152my %ext_pkg;
153my @exts;
154my @hook;
155
156=head2 UTILITY FUNCTIONS 184=head2 UTILITY FUNCTIONS
157 185
158=over 4 186=over 4
159 187
160=cut 188=item dumpval $ref
161 189
190=cut
191
192sub dumpval {
193 eval {
194 local $SIG{__DIE__};
195 my $d;
196 if (1) {
197 $d = new Data::Dumper([$_[0]], ["*var"]);
198 $d->Terse(1);
199 $d->Indent(2);
200 $d->Quotekeys(0);
201 $d->Useqq(1);
202 #$d->Bless(...);
203 $d->Seen($_[1]) if @_ > 1;
204 $d = $d->Dump();
205 }
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d
208 } || "[unable to dump $_[0]: '$@']";
209}
210
162use JSON::Syck (); # TODO# replace by JSON::PC once working 211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
163 212
164=item $ref = cf::from_json $json 213=item $ref = cf::from_json $json
165 214
166Converts a JSON string into the corresponding perl data structure. 215Converts a JSON string into the corresponding perl data structure.
167 216
168=cut
169
170sub from_json($) {
171 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172 JSON::Syck::Load $_[0]
173}
174
175=item $json = cf::to_json $ref 217=item $json = cf::to_json $ref
176 218
177Converts a perl data structure into its JSON representation. 219Converts a perl data structure into its JSON representation.
178 220
179=cut
180
181sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0]
184}
185
186=item my $guard = cf::guard { BLOCK }
187
188Run the given callback when the guard object gets destroyed (useful for
189coroutine cancellations).
190
191You can call C<< ->cancel >> on the guard object to stop the block from
192being executed.
193
194=cut
195
196sub guard(&) {
197 bless \(my $cb = $_[0]), cf::guard::;
198}
199
200sub cf::guard::cancel {
201 ${$_[0]} = sub { };
202}
203
204sub cf::guard::DESTROY {
205 ${$_[0]}->();
206}
207
208=item cf::lock_wait $string 221=item cf::lock_wait $string
209 222
210Wait until the given lock is available. See cf::lock_acquire. 223Wait until the given lock is available. See cf::lock_acquire.
211 224
212=item my $lock = cf::lock_acquire $string 225=item my $lock = cf::lock_acquire $string
213 226
214Wait until the given lock is available and then acquires it and returns 227Wait until the given lock is available and then acquires it and returns
215a guard object. If the guard object gets destroyed (goes out of scope, 228a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 229for example when the coroutine gets canceled), the lock is automatically
217returned. 230returned.
218 231
219Lock names should begin with a unique identifier (for example, find_map 232Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 233uses map_find and cf::map::load uses map_load).
221 234
222=cut 235=cut
223 236
224our %LOCK; 237our %LOCK;
225 238
239 # wait, to be sure we are not locked 252 # wait, to be sure we are not locked
240 lock_wait $key; 253 lock_wait $key;
241 254
242 $LOCK{$key} = []; 255 $LOCK{$key} = [];
243 256
244 cf::guard { 257 Coro::guard {
245 # wake up all waiters, to be on the safe side 258 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 259 $_->ready for @{ delete $LOCK{$key} };
247 } 260 }
248} 261}
249 262
263sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active;
265
266 my $guard = Coro::guard {
267 $TICK_WATCHER->start;
268 };
269 $TICK_WATCHER->stop;
270 $guard
271}
272
250=item cf::async { BLOCK } 273=item cf::async { BLOCK }
251 274
252Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 275Currently the same as Coro::async_pool, meaning you cannot use
253error instead of exiting the server in case of a problem. 276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it.
254 278
255=cut 279=cut
256 280
257sub async(&) { 281BEGIN { *async = \&Coro::async_pool }
258 my ($cb) = @_;
259
260 Coro::async {
261 eval { $cb->() };
262 warn $@ if $@;
263 }
264}
265 282
266=item cf::sync_job { BLOCK } 283=item cf::sync_job { BLOCK }
267 284
268The design of crossfire+ requires that the main coro ($Coro::main) is 285The design of crossfire+ requires that the main coro ($Coro::main) is
269always able to handle events or runnable, as crossfire+ is only partly 286always able to handle events or runnable, as crossfire+ is only partly
283 # this is the main coro, too bad, we have to block 300 # this is the main coro, too bad, we have to block
284 # till the operation succeeds, freezing the server :/ 301 # till the operation succeeds, freezing the server :/
285 302
286 # TODO: use suspend/resume instead 303 # TODO: use suspend/resume instead
287 # (but this is cancel-safe) 304 # (but this is cancel-safe)
288 local $FREEZE = 1; 305 my $freeze_guard = freeze_mainloop;
289 306
290 my $busy = 1; 307 my $busy = 1;
291 my @res; 308 my @res;
292 309
293 (Coro::async { 310 (async {
294 @res = eval { $job->() }; 311 @res = eval { $job->() };
295 warn $@ if $@; 312 warn $@ if $@;
296 undef $busy; 313 undef $busy;
297 })->prio (Coro::PRIO_MAX); 314 })->prio (Coro::PRIO_MAX);
298 315
299 while ($busy) { 316 while ($busy) {
300 Coro::cede_notself; 317 Coro::cede or Event::one_event;
301 Event::one_event unless Coro::nready;
302 } 318 }
303 319
304 wantarray ? @res : $res[0] 320 wantarray ? @res : $res[0]
305 } else { 321 } else {
306 # we are in another coroutine, how wonderful, everything just works 322 # we are in another coroutine, how wonderful, everything just works
307 323
308 $job->() 324 $job->()
309 } 325 }
310} 326}
311 327
312=item $coro = cf::coro { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
313 329
314Creates and returns a new coro. This coro is automcatially being canceled 330Like async, but this coro is automatically being canceled when the
315when the extension calling this is being unloaded. 331extension calling this is being unloaded.
316 332
317=cut 333=cut
318 334
319sub coro(&) { 335sub async_ext(&) {
320 my $cb = shift; 336 my $cb = shift;
321 337
322 my $coro = &cf::async ($cb); 338 my $coro = &Coro::async ($cb);
323 339
324 $coro->on_destroy (sub { 340 $coro->on_destroy (sub {
325 delete $EXT_CORO{$coro+0}; 341 delete $EXT_CORO{$coro+0};
326 }); 342 });
327 $EXT_CORO{$coro+0} = $coro; 343 $EXT_CORO{$coro+0} = $coro;
328 344
329 $coro 345 $coro
330} 346}
331 347
332sub write_runtime { 348sub write_runtime {
349 my $guard = cf::lock_acquire "write_runtime";
350
333 my $runtime = cf::localdir . "/runtime"; 351 my $runtime = cf::localdir . "/runtime";
334 352
335 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
336 or return; 354 or return;
337 355
356 my $value = $cf::RUNTIME + 90 + 10;
338 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359
339 (aio_write $fh, 0, (length $value), $value, 0) <= 0 360 (aio_write $fh, 0, (length $value), $value, 0) <= 0
340 and return; 361 and return;
341 362
363 # always fsync - this file is important
342 aio_fsync $fh 364 aio_fsync $fh
343 and return; 365 and return;
344 366
345 close $fh 367 close $fh
346 or return; 368 or return;
349 and return; 371 and return;
350 372
351 1 373 1
352} 374}
353 375
376=item cf::datalog type => key => value, ...
377
378Log a datalog packet of the given type with the given key-value pairs.
379
380=cut
381
382sub datalog($@) {
383 my ($type, %kv) = @_;
384 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385}
386
354=back 387=back
355 388
356=cut 389=cut
357
358#############################################################################
359
360package cf::path;
361
362sub new {
363 my ($class, $path, $base) = @_;
364
365 $path = $path->as_string if ref $path;
366
367 my $self = bless { }, $class;
368
369 # {... are special paths that are not touched
370 # ?xxx/... are special absolute paths
371 # ?random/... random maps
372 # /! non-realised random map exit
373 # /... normal maps
374 # ~/... per-player maps without a specific player (DO NOT USE)
375 # ~user/... per-player map of a specific user
376
377 if ($path =~ /^{/) {
378 # fine as it is
379 } elsif ($path =~ s{^\?random/}{}) {
380 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381 $self->{random} = cf::from_json $data;
382 } else {
383 if ($path =~ s{^~([^/]+)?}{}) {
384 $self->{user_rel} = 1;
385
386 if (defined $1) {
387 $self->{user} = $1;
388 } elsif ($base =~ m{^~([^/]+)/}) {
389 $self->{user} = $1;
390 } else {
391 warn "cannot resolve user-relative path without user <$path,$base>\n";
392 }
393 } elsif ($path =~ /^\//) {
394 # already absolute
395 } else {
396 $base =~ s{[^/]+/?$}{};
397 return $class->new ("$base/$path");
398 }
399
400 for ($path) {
401 redo if s{/\.?/}{/};
402 redo if s{/[^/]+/\.\./}{/};
403 }
404 }
405
406 $self->{path} = $path;
407
408 $self
409}
410
411# the name / primary key / in-game path
412sub as_string {
413 my ($self) = @_;
414
415 $self->{user_rel} ? "~$self->{user}$self->{path}"
416 : $self->{random} ? "?random/$self->{path}"
417 : $self->{path}
418}
419
420# the displayed name, this is a one way mapping
421sub visible_name {
422 my ($self) = @_;
423
424# if (my $rmp = $self->{random}) {
425# # todo: be more intelligent about this
426# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427# } else {
428 $self->as_string
429# }
430}
431
432# escape the /'s in the path
433sub _escaped_path {
434 # ∕ is U+2215
435 (my $path = $_[0]{path}) =~ s/\//∕/g;
436 $path
437}
438
439# the original (read-only) location
440sub load_path {
441 my ($self) = @_;
442
443 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444}
445
446# the temporary/swap location
447sub save_path {
448 my ($self) = @_;
449
450 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453}
454
455# the unique path, might be eq to save_path
456sub uniq_path {
457 my ($self) = @_;
458
459 $self->{user_rel} || $self->{random}
460 ? undef
461 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462}
463
464# return random map parameters, or undef
465sub random_map_params {
466 my ($self) = @_;
467
468 $self->{random}
469}
470
471# this is somewhat ugly, but style maps do need special treatment
472sub is_style_map {
473 $_[0]{path} =~ m{^/styles/}
474}
475
476package cf;
477 390
478############################################################################# 391#############################################################################
479 392
480=head2 ATTACHABLE OBJECTS 393=head2 ATTACHABLE OBJECTS
481 394
607our @CB_TYPE = (); # registry for type (cf-object class) based events 520our @CB_TYPE = (); # registry for type (cf-object class) based events
608our @CB_MAP = (); 521our @CB_MAP = ();
609 522
610my %attachment; 523my %attachment;
611 524
525sub cf::attachable::thawer_merge {
526 # simply override everything except _meta
527 local $_[0]{_meta};
528 %{$_[0]} = %{$_[1]};
529}
530
612sub _attach_cb($$$$) { 531sub _attach_cb($$$$) {
613 my ($registry, $event, $prio, $cb) = @_; 532 my ($registry, $event, $prio, $cb) = @_;
614 533
615 use sort 'stable'; 534 use sort 'stable';
616 535
787# object support 706# object support
788 707
789sub reattach { 708sub reattach {
790 # basically do the same as instantiate, without calling instantiate 709 # basically do the same as instantiate, without calling instantiate
791 my ($obj) = @_; 710 my ($obj) = @_;
711
712 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792 713
793 my $registry = $obj->registry; 714 my $registry = $obj->registry;
794 715
795 @$registry = (); 716 @$registry = ();
796 717
843 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
844 765
845 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
847 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
849 close $fh; 770 close $fh;
850 771
851 if (@$objs) { 772 if (@$objs) {
852 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
854 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
855 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
856 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
857 close $fh; 778 close $fh;
858 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
859 } 780 }
860 } else { 781 } else {
861 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
928=cut 849=cut
929 850
930sub register_extcmd { 851sub register_extcmd {
931 my ($name, $cb) = @_; 852 my ($name, $cb) = @_;
932 853
933 my $caller = caller;
934 #warn "registering extcmd '$name' to '$caller'";
935
936 $EXTCMD{$name} = [$cb, $caller]; 854 $EXTCMD{$name} = $cb;
937} 855}
938 856
939cf::player->attach ( 857cf::player->attach (
940 on_command => sub { 858 on_command => sub {
941 my ($pl, $name, $params) = @_; 859 my ($pl, $name, $params) = @_;
954 872
955 my $msg = eval { from_json $buf }; 873 my $msg = eval { from_json $buf };
956 874
957 if (ref $msg) { 875 if (ref $msg) {
958 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 876 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959 if (my %reply = $cb->[0]->($pl, $msg)) { 877 if (my %reply = $cb->($pl, $msg)) {
960 $pl->ext_reply ($msg->{msgid}, %reply); 878 $pl->ext_reply ($msg->{msgid}, %reply);
961 } 879 }
962 } 880 }
963 } else { 881 } else {
964 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
966 884
967 cf::override; 885 cf::override;
968 }, 886 },
969); 887);
970 888
971sub register {
972 my ($base, $pkg) = @_;
973
974 #TODO
975}
976
977sub load_extension { 889sub load_extension {
978 my ($path) = @_; 890 my ($path) = @_;
979 891
980 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
981 my $base = $1; 893 my $base = $1;
982 my $pkg = $1; 894 my $pkg = $1;
983 $pkg =~ s/[^[:word:]]/_/g; 895 $pkg =~ s/[^[:word:]]/_/g;
984 $pkg = "ext::$pkg"; 896 $pkg = "ext::$pkg";
985 897
986 warn "loading '$path' into '$pkg'\n"; 898 warn "... loading '$path' into '$pkg'\n";
987 899
988 open my $fh, "<:utf8", $path 900 open my $fh, "<:utf8", $path
989 or die "$path: $!"; 901 or die "$path: $!";
990 902
991 my $source = 903 my $source =
992 "package $pkg; use strict; use utf8;\n" 904 "package $pkg; use strict; use utf8;\n"
993 . "#line 1 \"$path\"\n{\n" 905 . "#line 1 \"$path\"\n{\n"
994 . (do { local $/; <$fh> }) 906 . (do { local $/; <$fh> })
995 . "\n};\n1"; 907 . "\n};\n1";
996 908
997 eval $source 909 unless (eval $source) {
998 or die $@ ? "$path: $@\n" 910 my $msg = $@ ? "$path: $@\n"
999 : "extension disabled.\n"; 911 : "extension disabled.\n";
1000 912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1001 push @exts, $pkg; 913 warn $@;
1002 $ext_pkg{$base} = $pkg; 914 warn "mandatory extension failed to load, exiting.\n";
1003 915 exit 1;
1004# no strict 'refs'; 916 }
1005# @{"$pkg\::ISA"} = ext::; 917 die $@;
1006
1007 register $base, $pkg;
1008}
1009
1010sub unload_extension {
1011 my ($pkg) = @_;
1012
1013 warn "removing extension $pkg\n";
1014
1015 # remove hooks
1016 #TODO
1017# for my $idx (0 .. $#PLUGIN_EVENT) {
1018# delete $hook[$idx]{$pkg};
1019# } 918 }
1020 919
1021 # remove commands 920 push @EXTS, $pkg;
1022 for my $name (keys %COMMAND) {
1023 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025 if (@cb) {
1026 $COMMAND{$name} = \@cb;
1027 } else {
1028 delete $COMMAND{$name};
1029 }
1030 }
1031
1032 # remove extcmds
1033 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034 delete $EXTCMD{$name};
1035 }
1036
1037 if (my $cb = $pkg->can ("unload")) {
1038 eval {
1039 $cb->($pkg);
1040 1
1041 } or warn "$pkg unloaded, but with errors: $@";
1042 }
1043
1044 Symbol::delete_package $pkg;
1045} 921}
1046 922
1047sub load_extensions { 923sub load_extensions {
1048 for my $ext (<$LIBDIR/*.ext>) { 924 for my $ext (<$LIBDIR/*.ext>) {
1049 next unless -r $ext; 925 next unless -r $ext;
1053 } or warn "$ext not loaded: $@"; 929 } or warn "$ext not loaded: $@";
1054 } 930 }
1055} 931}
1056 932
1057############################################################################# 933#############################################################################
1058# load/save/clean perl data associated with a map
1059
1060*cf::mapsupport::on_clean = sub {
1061 my ($map) = @_;
1062
1063 my $path = $map->tmpname;
1064 defined $path or return;
1065
1066 unlink "$path.pst";
1067};
1068
1069cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071#############################################################################
1072# load/save perl data associated with player->ob objects
1073
1074sub all_objects(@) {
1075 @_, map all_objects ($_->inv), @_
1076}
1077
1078# TODO: compatibility cruft, remove when no longer needed
1079cf::player->attach (
1080 on_load => sub {
1081 my ($pl, $path) = @_;
1082
1083 for my $o (all_objects $pl->ob) {
1084 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085 $o->set_ob_key_value ("_perl_data");
1086
1087 %$o = %{ Storable::thaw pack "H*", $value };
1088 }
1089 }
1090 },
1091);
1092
1093#############################################################################
1094 934
1095=head2 CORE EXTENSIONS 935=head2 CORE EXTENSIONS
1096 936
1097Functions and methods that extend core crossfire objects. 937Functions and methods that extend core crossfire objects.
1098 938
939=cut
940
941package cf::player;
942
943use Coro::AIO;
944
1099=head3 cf::player 945=head3 cf::player
1100 946
1101=over 4 947=over 4
1102 948
1103=item cf::player::exists $login 949=item cf::player::find $login
1104 950
1105Returns true when the given account exists. 951Returns the given player object, loading it if necessary (might block).
1106 952
1107=cut 953=cut
1108 954
1109sub cf::player::exists($) { 955sub playerdir($) {
1110 cf::player::find $_[0] 956 cf::localdir
1111 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1112} 961}
1113 962
963sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965
966 (playerdir $login) . "/playerdata"
967}
968
969sub find_active($) {
970 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active
972 and $cf::PLAYER{$_[0]}
973}
974
975sub exists($) {
976 my ($login) = @_;
977
978 $cf::PLAYER{$login}
979 or cf::sync_job { !aio_stat path $login }
980}
981
982sub find($) {
983 return $cf::PLAYER{$_[0]} || do {
984 my $login = $_[0];
985
986 my $guard = cf::lock_acquire "user_find:$login";
987
988 $cf::PLAYER{$_[0]} || do {
989 # rename old playerfiles to new ones
990 #TODO: remove when no longer required
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl";
995
996 my $pl = load_pl path $login
997 or return;
998 $cf::PLAYER{$login} = $pl
999 }
1000 }
1001}
1002
1003sub save($) {
1004 my ($pl) = @_;
1005
1006 return if $pl->{deny_save};
1007
1008 my $path = path $pl;
1009 my $guard = cf::lock_acquire "user_save:$path";
1010
1011 return if $pl->{deny_save};
1012
1013 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME;
1015
1016 $pl->save_pl ($path);
1017 Coro::cede;
1018}
1019
1020sub new($) {
1021 my ($login) = @_;
1022
1023 my $self = create;
1024
1025 $self->ob->name ($login);
1026 $self->{deny_save} = 1;
1027
1028 $cf::PLAYER{$login} = $self;
1029
1030 $self
1031}
1032
1033=item $pl->quit_character
1034
1035Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time.
1037
1038=cut
1039
1040sub quit_character {
1041 my ($pl) = @_;
1042
1043 my $name = $pl->ob->name;
1044
1045 $pl->{deny_save} = 1;
1046 $pl->password ("*"); # this should lock out the player until we nuked the dir
1047
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns;
1052
1053 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~";
1055 aio_rename $path, $temp;
1056 delete $cf::PLAYER{$pl->ob->name};
1057 $pl->destroy;
1058
1059 my $prefix = qr<^~\Q$name\E/>;
1060
1061 # nuke player maps
1062 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1063
1064 IO::AIO::aio_rmtree $temp;
1065}
1066
1067=item $pl->kick
1068
1069Kicks a player out of the game. This destroys the connection.
1070
1071=cut
1072
1073sub kick {
1074 my ($pl, $kicker) = @_;
1075
1076 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1077 $pl->killer ("kicked");
1078 $pl->ns->destroy;
1079}
1080
1081=item cf::player::list_logins
1082
1083Returns am arrayref of all valid playernames in the system, can take a
1084while and may block, so not sync_job-capable, ever.
1085
1086=cut
1087
1088sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1090 or return [];
1091
1092 my @logins;
1093
1094 for my $login (@$dirs) {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag
1098
1099 utf8::decode $login;
1100 push @logins, $login;
1101 }
1102
1103 \@logins
1104}
1105
1106=item $player->maps
1107
1108Returns an arrayref of map paths that are private for this
1109player. May block.
1110
1111=cut
1112
1113sub maps($) {
1114 my ($pl) = @_;
1115
1116 $pl = ref $pl ? $pl->ob->name : $pl;
1117
1118 my $files = aio_readdir playerdir $pl
1119 or return;
1120
1121 my @paths;
1122
1123 for (@$files) {
1124 utf8::decode $_;
1125 next if /\.(?:pl|pst)$/;
1126 next unless /^$PATH_SEP/o;
1127
1128 push @paths, cf::map::normalise "~$pl/$_";
1129 }
1130
1131 \@paths
1132}
1133
1114=item $player->ext_reply ($msgid, $msgtype, %msg) 1134=item $player->ext_reply ($msgid, %msg)
1115 1135
1116Sends an ext reply to the player. 1136Sends an ext reply to the player.
1117 1137
1118=cut 1138=cut
1119 1139
1120sub cf::player::ext_reply($$$%) { 1140sub ext_reply($$%) {
1121 my ($self, $id, %msg) = @_; 1141 my ($self, $id, %msg) = @_;
1122 1142
1123 $msg{msgid} = $id; 1143 $msg{msgid} = $id;
1124 1144
1125 $self->send ("ext " . to_json \%msg); 1145 $self->send ("ext " . cf::to_json \%msg);
1146}
1147
1148=item $player->ext_event ($type, %msg)
1149
1150Sends an ext event to the client.
1151
1152=cut
1153
1154sub ext_event($$%) {
1155 my ($self, $type, %msg) = @_;
1156
1157 $self->ns->ext_event ($type, %msg);
1158}
1159
1160=head3 cf::region
1161
1162=over 4
1163
1164=cut
1165
1166package cf::region;
1167
1168=item cf::region::find_by_path $path
1169
1170Tries to decuce the probable region for a map knowing only its path.
1171
1172=cut
1173
1174sub find_by_path($) {
1175 my ($path) = @_;
1176
1177 my ($match, $specificity);
1178
1179 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) {
1181 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity;
1183 }
1184 }
1185
1186 $match
1126} 1187}
1127 1188
1128=back 1189=back
1129
1130 1190
1131=head3 cf::map 1191=head3 cf::map
1132 1192
1133=over 4 1193=over 4
1134 1194
1137package cf::map; 1197package cf::map;
1138 1198
1139use Fcntl; 1199use Fcntl;
1140use Coro::AIO; 1200use Coro::AIO;
1141 1201
1202use overload
1203 '""' => \&as_string,
1204 fallback => 1;
1205
1142our $MAX_RESET = 7200; 1206our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1207our $DEFAULT_RESET = 3000;
1144 1208
1145sub generate_random_map { 1209sub generate_random_map {
1146 my ($path, $rmp) = @_; 1210 my ($self, $rmp) = @_;
1147
1148 # mit "rum" bekleckern, nicht 1211 # mit "rum" bekleckern, nicht
1149 cf::map::_create_random_map 1212 $self->_create_random_map (
1150 $path,
1151 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154 $rmp->{exit_on_final_map}, 1216 $rmp->{exit_on_final_map},
1155 $rmp->{xsize}, $rmp->{ysize}, 1217 $rmp->{xsize}, $rmp->{ysize},
1156 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1218 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1219 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1220 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1221 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1222 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161 (cf::region::find $rmp->{region}) 1223 (cf::region::find $rmp->{region}), $rmp->{custom}
1224 )
1225}
1226
1227=item cf::map->register ($regex, $prio)
1228
1229Register a handler for the map path matching the given regex at the
1230givne priority (higher is better, built-in handlers have priority 0, the
1231default).
1232
1233=cut
1234
1235sub register {
1236 my (undef, $regex, $prio) = @_;
1237 my $pkg = caller;
1238
1239 no strict;
1240 push @{"$pkg\::ISA"}, __PACKAGE__;
1241
1242 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243}
1244
1245# also paths starting with '/'
1246$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1247
1248sub thawer_merge {
1249 my ($self, $merge) = @_;
1250
1251 # we have to keep some variables in memory intact
1252 local $self->{path};
1253 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256
1257 $self->SUPER::thawer_merge ($merge);
1258}
1259
1260sub normalise {
1261 my ($path, $base) = @_;
1262
1263 $path = "$path"; # make sure its a string
1264
1265 $path =~ s/\.map$//;
1266
1267 # map plan:
1268 #
1269 # /! non-realised random map exit (special hack!)
1270 # {... are special paths that are not being touched
1271 # ?xxx/... are special absolute paths
1272 # ?random/... random maps
1273 # /... normal maps
1274 # ~user/... per-player map of a specific user
1275
1276 $path =~ s/$PATH_SEP/\//go;
1277
1278 # treat it as relative path if it starts with
1279 # something that looks reasonable
1280 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1281 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1282
1283 $base =~ s{[^/]+/?$}{};
1284 $path = "$base/$path";
1285 }
1286
1287 for ($path) {
1288 redo if s{//}{/};
1289 redo if s{/\.?/}{/};
1290 redo if s{/[^/]+/\.\./}{/};
1291 }
1292
1293 $path
1294}
1295
1296sub new_from_path {
1297 my (undef, $path, $base) = @_;
1298
1299 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1300
1301 $path = normalise $path, $base;
1302
1303 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1304 if ($path =~ $EXT_MAP{$pkg}[1]) {
1305 my $self = bless cf::map::new, $pkg;
1306 $self->{path} = $path; $self->path ($path);
1307 $self->init; # pass $1 etc.
1308 return $self;
1309 }
1310 }
1311
1312 Carp::carp "unable to resolve path '$path' (base '$base').";
1313 ()
1314}
1315
1316sub init {
1317 my ($self) = @_;
1318
1319 $self
1320}
1321
1322sub as_string {
1323 my ($self) = @_;
1324
1325 "$self->{path}"
1326}
1327
1328# the displayed name, this is a one way mapping
1329sub visible_name {
1330 &as_string
1331}
1332
1333# the original (read-only) location
1334sub load_path {
1335 my ($self) = @_;
1336
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1338}
1339
1340# the temporary/swap location
1341sub save_path {
1342 my ($self) = @_;
1343
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1346}
1347
1348# the unique path, undef == no special unique path
1349sub uniq_path {
1350 my ($self) = @_;
1351
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1162} 1354}
1163 1355
1164# and all this just because we cannot iterate over 1356# and all this just because we cannot iterate over
1165# all maps in C++... 1357# all maps in C++...
1166sub change_all_map_light { 1358sub change_all_map_light {
1168 1360
1169 $_->change_map_light ($change) 1361 $_->change_map_light ($change)
1170 for grep $_->outdoor, values %cf::MAP; 1362 for grep $_->outdoor, values %cf::MAP;
1171} 1363}
1172 1364
1365sub unlink_save {
1366 my ($self) = @_;
1367
1368 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1370 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1371}
1372
1173sub try_load_header($) { 1373sub load_header_from($) {
1174 my ($path) = @_; 1374 my ($self, $path) = @_;
1175 1375
1176 utf8::encode $path; 1376 utf8::encode $path;
1177 aio_open $path, O_RDONLY, 0 1377 #aio_open $path, O_RDONLY, 0
1378 # or return;
1379
1380 $self->_load_header ($path)
1178 or return; 1381 or return;
1179 1382
1180 my $map = cf::map::new 1383 $self->{load_path} = $path;
1384
1385 1
1386}
1387
1388sub load_header_orig {
1389 my ($self) = @_;
1390
1391 $self->load_header_from ($self->load_path)
1392}
1393
1394sub load_header_temp {
1395 my ($self) = @_;
1396
1397 $self->load_header_from ($self->save_path)
1398}
1399
1400sub prepare_temp {
1401 my ($self) = @_;
1402
1403 $self->last_access ((delete $self->{last_access})
1404 || $cf::RUNTIME); #d#
1405 # safety
1406 $self->{instantiate_time} = $cf::RUNTIME
1407 if $self->{instantiate_time} > $cf::RUNTIME;
1408}
1409
1410sub prepare_orig {
1411 my ($self) = @_;
1412
1413 $self->{load_original} = 1;
1414 $self->{instantiate_time} = $cf::RUNTIME;
1415 $self->last_access ($cf::RUNTIME);
1416 $self->instantiate;
1417}
1418
1419sub load_header {
1420 my ($self) = @_;
1421
1422 if ($self->load_header_temp) {
1423 $self->prepare_temp;
1424 } else {
1425 $self->load_header_orig
1181 or return; 1426 or return;
1427 $self->prepare_orig;
1428 }
1182 1429
1183 $map->load_header ($path) 1430 $self->default_region (cf::region::find_by_path $self->{path})
1184 or return; 1431 unless $self->default_region;
1185 1432
1186 $map->{load_path} = $path; 1433 1
1187
1188 $map
1189} 1434}
1190 1435
1191sub find_map; 1436sub find;
1192sub find_map { 1437sub find {
1193 my ($path, $origin) = @_; 1438 my ($path, $origin) = @_;
1194 1439
1195 #warn "find_map<$path,$origin>\n";#d#
1196
1197 $path = new cf::path $path, $origin && $origin->path; 1440 $path = normalise $path, $origin && $origin->path;
1198 my $key = $path->as_string;
1199 1441
1200 cf::lock_wait "map_find:$key"; 1442 cf::lock_wait "map_find:$path";
1201 1443
1202 $cf::MAP{$key} || do { 1444 $cf::MAP{$path} || do {
1203 my $guard = cf::lock_acquire "map_find:$key"; 1445 my $guard = cf::lock_acquire "map_find:$path";
1204 1446 my $map = new_from_path cf::map $path
1205 # do it the slow way
1206 my $map = try_load_header $path->save_path;
1207
1208 if ($map) {
1209 # safety
1210 $map->{instantiate_time} = $cf::RUNTIME
1211 if $map->{instantiate_time} > $cf::RUNTIME;
1212 } else {
1213 if (my $rmp = $path->random_map_params) {
1214 $map = generate_random_map $key, $rmp;
1215 } else {
1216 $map = try_load_header $path->load_path;
1217 }
1218
1219 $map or return; 1447 or return;
1220 1448
1221 $map->{load_original} = 1;
1222 $map->{instantiate_time} = $cf::RUNTIME;
1223 $map->instantiate;
1224
1225 # per-player maps become, after loading, normal maps
1226 $map->per_player (0) if $path->{user_rel};
1227 }
1228
1229 $map->path ($key);
1230 $map->{path} = $path;
1231 $map->{last_save} = $cf::RUNTIME; 1449 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME);
1233 1450
1234 if ($map->should_reset) { 1451 $map->load_header
1452 or return;
1453
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait;
1235 $map->reset; 1457 $map->reset;
1236 undef $guard; 1458 undef $guard;
1237 $map = find_map $path 1459 return find $path;
1238 or return;
1239 } 1460 }
1240 1461
1241 $cf::MAP{$key} = $map 1462 $cf::MAP{$path} = $map
1242 } 1463 }
1243} 1464}
1465
1466sub pre_load { }
1467sub post_load { }
1244 1468
1245sub load { 1469sub load {
1246 my ($self) = @_; 1470 my ($self) = @_;
1247 1471
1472 local $self->{deny_reset} = 1; # loading can take a long time
1473
1248 my $path = $self->{path}; 1474 my $path = $self->{path};
1249 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1475 my $guard = cf::lock_acquire "map_load:$path";
1250 1476
1251 return if $self->in_memory != cf::MAP_SWAPPED; 1477 return if $self->in_memory != cf::MAP_SWAPPED;
1252 1478
1253 $self->in_memory (cf::MAP_LOADING); 1479 $self->in_memory (cf::MAP_LOADING);
1254 1480
1255 $self->alloc; 1481 $self->alloc;
1482
1483 $self->pre_load;
1484 Coro::cede;
1485
1256 $self->load_objects ($self->{load_path}, 1) 1486 $self->_load_objects ($self->{load_path}, 1)
1257 or return; 1487 or return;
1258 1488
1259 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260 if delete $self->{load_original}; 1490 if delete $self->{load_original};
1261 1491
1262 if (my $uniq = $path->uniq_path) { 1492 if (my $uniq = $self->uniq_path) {
1263 utf8::encode $uniq; 1493 utf8::encode $uniq;
1264 if (aio_open $uniq, O_RDONLY, 0) { 1494 if (aio_open $uniq, O_RDONLY, 0) {
1265 $self->clear_unique_items; 1495 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 1496 $self->_load_objects ($uniq, 0);
1267 } 1497 }
1268 } 1498 }
1269 1499
1500 Coro::cede;
1270 # now do the right thing for maps 1501 # now do the right thing for maps
1271 $self->link_multipart_objects; 1502 $self->link_multipart_objects;
1503 Coro::cede;
1272 1504
1273 if ($self->{path}->is_style_map) { 1505 unless ($self->{deny_activate}) {
1274 $self->{deny_save} = 1; 1506 $self->decay_objects;
1275 $self->{deny_reset} = 1;
1276 } else {
1277 $self->fix_auto_apply; 1507 $self->fix_auto_apply;
1278 $self->decay_objects;
1279 $self->update_buttons; 1508 $self->update_buttons;
1509 Coro::cede;
1280 $self->set_darkness_map; 1510 $self->set_darkness_map;
1281 $self->difficulty ($self->estimate_difficulty) 1511 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 1512 unless $self->difficulty;
1513 Coro::cede;
1283 $self->activate; 1514 $self->activate;
1515 Coro::cede;
1284 } 1516 }
1517
1518 $self->post_load;
1519 Coro::cede;
1285 1520
1286 $self->in_memory (cf::MAP_IN_MEMORY); 1521 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 1522}
1288 1523
1289sub load_map_sync { 1524sub customise_for {
1525 my ($self, $ob) = @_;
1526
1527 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player;
1529
1530 $self
1531}
1532
1533# find and load all maps in the 3x3 area around a map
1534sub load_diag {
1535 my ($map) = @_;
1536
1537 my @diag; # diagonal neighbours
1538
1539 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_)
1541 or next;
1542 $neigh = find $neigh, $map
1543 or next;
1544 $neigh->load;
1545
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 }
1549
1550 for (@diag) {
1551 my $neigh = find @$_
1552 or next;
1553 $neigh->load;
1554 }
1555}
1556
1557sub find_sync {
1290 my ($path, $origin) = @_; 1558 my ($path, $origin) = @_;
1291 1559
1292 #warn "load_map_sync<$path, $origin>\n";#d# 1560 cf::sync_job { find $path, $origin }
1561}
1293 1562
1294 cf::sync_job { 1563sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 1564 my ($map) = @_;
1296 or return; 1565
1566 cf::sync_job { $map->load };
1567}
1568
1569our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef;
1571
1572sub find_async {
1573 my ($path, $origin) = @_;
1574
1575 $path = normalise $path, $origin && $origin->{path};
1576
1577 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1579 }
1580
1581 undef $MAP_PREFETCH{$path};
1582 $MAP_PREFETCHER ||= cf::async {
1583 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) {
1585 my $map = find $path
1586 or next;
1297 $map->load; 1587 $map->load;
1298 $map 1588
1589 delete $MAP_PREFETCH{$path};
1590 }
1591 }
1592 undef $MAP_PREFETCHER;
1299 } 1593 };
1594 $MAP_PREFETCHER->prio (6);
1595
1596 ()
1300} 1597}
1301 1598
1302sub save { 1599sub save {
1303 my ($self) = @_; 1600 my ($self) = @_;
1304 1601
1602 my $lock = cf::lock_acquire "map_data:" . $self->path;
1603
1305 $self->{last_save} = $cf::RUNTIME; 1604 $self->{last_save} = $cf::RUNTIME;
1306 1605
1307 return unless $self->dirty; 1606 return unless $self->dirty;
1308 1607
1309 my $save = $self->{path}->save_path; utf8::encode $save; 1608 my $save = $self->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1609 my $uniq = $self->uniq_path; utf8::encode $uniq;
1311 1610
1312 $self->{load_path} = $save; 1611 $self->{load_path} = $save;
1313 1612
1314 return if $self->{deny_save}; 1613 return if $self->{deny_save};
1315 1614
1615 local $self->{last_access} = $self->last_access;#d#
1616
1617 cf::async {
1618 $_->contr->save for $self->players;
1619 };
1620
1316 if ($uniq) { 1621 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1623 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1624 } else {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1625 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321 } 1626 }
1322} 1627}
1323 1628
1324sub swap_out { 1629sub swap_out {
1325 my ($self) = @_; 1630 my ($self) = @_;
1631
1632 # save first because save cedes
1633 $self->save;
1634
1635 my $lock = cf::lock_acquire "map_data:" . $self->path;
1326 1636
1327 return if $self->players; 1637 return if $self->players;
1328 return if $self->in_memory != cf::MAP_IN_MEMORY; 1638 return if $self->in_memory != cf::MAP_IN_MEMORY;
1329 return if $self->{deny_save}; 1639 return if $self->{deny_save};
1330 1640
1331 $self->save;
1332 $self->clear; 1641 $self->clear;
1333 $self->in_memory (cf::MAP_SWAPPED); 1642 $self->in_memory (cf::MAP_SWAPPED);
1334} 1643}
1335 1644
1336sub reset_at { 1645sub reset_at {
1337 my ($self) = @_; 1646 my ($self) = @_;
1338 1647
1339 # TODO: safety, remove and allow resettable per-player maps 1648 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1341 return 1e99 if $self->{deny_reset}; 1650 return 1e99 if $self->{deny_reset};
1342 1651
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1654
1350 my ($self) = @_; 1659 my ($self) = @_;
1351 1660
1352 $self->reset_at <= $cf::RUNTIME 1661 $self->reset_at <= $cf::RUNTIME
1353} 1662}
1354 1663
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename {
1364 my ($self, $new_path) = @_;
1365
1366 $self->unlink_save;
1367
1368 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path;
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self;
1372
1373 $self->save;
1374}
1375
1376sub reset { 1664sub reset {
1377 my ($self) = @_; 1665 my ($self) = @_;
1378 1666
1667 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668
1379 return if $self->players; 1669 return if $self->players;
1380 return if $self->{path}{user_rel};#d# 1670 return if $self->isa ("ext::map_per_player");#d#
1381 1671
1382 warn "resetting map ", $self->path;#d# 1672 warn "resetting map ", $self->path;#d#
1383 1673
1674 $self->in_memory (cf::MAP_SWAPPED);
1675
1676 # need to save uniques path
1677 unless ($self->{deny_save}) {
1678 my $uniq = $self->uniq_path; utf8::encode $uniq;
1679
1680 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1681 if $uniq;
1682 }
1683
1384 delete $cf::MAP{$self->path}; 1684 delete $cf::MAP{$self->path};
1685
1686 $self->clear;
1385 1687
1386 $_->clear_links_to ($self) for values %cf::MAP; 1688 $_->clear_links_to ($self) for values %cf::MAP;
1387 1689
1388 $self->unlink_save; 1690 $self->unlink_save;
1389 $self->destroy; 1691 $self->destroy;
1392my $nuke_counter = "aaaa"; 1694my $nuke_counter = "aaaa";
1393 1695
1394sub nuke { 1696sub nuke {
1395 my ($self) = @_; 1697 my ($self) = @_;
1396 1698
1699 delete $cf::MAP{$self->path};
1700
1701 $self->unlink_save;
1702
1703 bless $self, "cf::map";
1704 delete $self->{deny_reset};
1397 $self->{deny_save} = 1; 1705 $self->{deny_save} = 1;
1398 $self->reset_timeout (1); 1706 $self->reset_timeout (1);
1399 $self->rename ("{nuke}/" . ($nuke_counter++)); 1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708
1709 $cf::MAP{$self->path} = $self;
1710
1400 $self->reset; # polite request, might not happen 1711 $self->reset; # polite request, might not happen
1401} 1712}
1402 1713
1403sub customise_for { 1714=item cf::map::unique_maps
1404 my ($map, $ob) = @_;
1405 1715
1406 if ($map->per_player) { 1716Returns an arrayref of paths of all shared maps that have
1407 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1717instantiated unique items. May block.
1408 }
1409 1718
1410 $map 1719=cut
1411}
1412 1720
1413sub emergency_save { 1721sub unique_maps() {
1414 local $cf::FREEZE = 1; 1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1723 or return;
1415 1724
1416 warn "enter emergency map save\n"; 1725 my @paths;
1417 1726
1418 cf::sync_job { 1727 for (@$files) {
1419 warn "begin emergency map save\n"; 1728 utf8::decode $_;
1420 $_->save for values %cf::MAP; 1729 next if /\.pst$/;
1730 next unless /^$PATH_SEP/o;
1731
1732 push @paths, cf::map::normalise $_;
1421 }; 1733 }
1422 1734
1423 warn "end emergency map save\n"; 1735 \@paths
1424} 1736}
1425 1737
1426package cf; 1738package cf;
1427 1739
1428=back 1740=back
1429 1741
1742=head3 cf::object
1743
1744=cut
1745
1746package cf::object;
1747
1748=over 4
1749
1750=item $ob->inv_recursive
1751
1752Returns the inventory of the object _and_ their inventories, recursively.
1753
1754=cut
1755
1756sub inv_recursive_;
1757sub inv_recursive_ {
1758 map { $_, inv_recursive_ $_->inv } @_
1759}
1760
1761sub inv_recursive {
1762 inv_recursive_ inv $_[0]
1763}
1764
1765package cf;
1766
1767=back
1430 1768
1431=head3 cf::object::player 1769=head3 cf::object::player
1432 1770
1433=over 4 1771=over 4
1434 1772
1474 1812
1475=item $player_object->enter_link 1813=item $player_object->enter_link
1476 1814
1477Freezes the player and moves him/her to a special map (C<{link}>). 1815Freezes the player and moves him/her to a special map (C<{link}>).
1478 1816
1479The player should be reaosnably safe there for short amounts of time. You 1817The player should be reasonably safe there for short amounts of time. You
1480I<MUST> call C<leave_link> as soon as possible, though. 1818I<MUST> call C<leave_link> as soon as possible, though.
1481 1819
1820Will never block.
1821
1482=item $player_object->leave_link ($map, $x, $y) 1822=item $player_object->leave_link ($map, $x, $y)
1483 1823
1484Moves the player out of the specila link map onto the given map. If the 1824Moves the player out of the special C<{link}> map onto the specified
1485map is not valid (or omitted), the player will be moved back to the 1825map. If the map is not valid (or omitted), the player will be moved back
1486location he/she was before the call to C<enter_link>, or, if that fails, 1826to the location he/she was before the call to C<enter_link>, or, if that
1487to the emergency map position. 1827fails, to the emergency map position.
1488 1828
1489Might block. 1829Might block.
1490 1830
1491=cut 1831=cut
1832
1833sub link_map {
1834 unless ($LINK_MAP) {
1835 $LINK_MAP = cf::map::find "{link}"
1836 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1837 $LINK_MAP->load;
1838 }
1839
1840 $LINK_MAP
1841}
1492 1842
1493sub cf::object::player::enter_link { 1843sub cf::object::player::enter_link {
1494 my ($self) = @_; 1844 my ($self) = @_;
1495 1845
1496 $self->deactivate_recursive; 1846 $self->deactivate_recursive;
1497 1847
1498 return if $self->map == $LINK_MAP; 1848 return if UNIVERSAL::isa $self->map, "ext::map_link";
1499 1849
1500 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501 if $self->map; 1851 if $self->map;
1502 1852
1503 $self->enter_map ($LINK_MAP, 20, 20); 1853 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1504} 1854}
1505 1855
1506sub cf::object::player::leave_link { 1856sub cf::object::player::leave_link {
1507 my ($self, $map, $x, $y) = @_; 1857 my ($self, $map, $x, $y) = @_;
1508 1858
1509 my $link_pos = delete $self->{_link_pos}; 1859 my $link_pos = delete $self->{_link_pos};
1510 1860
1511 unless ($map) { 1861 unless ($map) {
1512 # restore original map position 1862 # restore original map position
1513 ($map, $x, $y) = @{ $link_pos || [] }; 1863 ($map, $x, $y) = @{ $link_pos || [] };
1514 $map = cf::map::find_map $map; 1864 $map = cf::map::find $map;
1515 1865
1516 unless ($map) { 1866 unless ($map) {
1517 ($map, $x, $y) = @$EMERGENCY_POSITION; 1867 ($map, $x, $y) = @$EMERGENCY_POSITION;
1518 $map = cf::map::find_map $map 1868 $map = cf::map::find $map
1519 or die "FATAL: cannot load emergency map\n"; 1869 or die "FATAL: cannot load emergency map\n";
1520 } 1870 }
1521 } 1871 }
1522 1872
1523 ($x, $y) = (-1, -1) 1873 ($x, $y) = (-1, -1)
1526 # use -1 or undef as default coordinates, not 0, 0 1876 # use -1 or undef as default coordinates, not 0, 0
1527 ($x, $y) = ($map->enter_x, $map->enter_y) 1877 ($x, $y) = ($map->enter_x, $map->enter_y)
1528 if $x <=0 && $y <= 0; 1878 if $x <=0 && $y <= 0;
1529 1879
1530 $map->load; 1880 $map->load;
1881 $map->load_diag;
1531 1882
1883 return unless $self->contr->active;
1532 $self->activate_recursive; 1884 $self->activate_recursive;
1885
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533 $self->enter_map ($map, $x, $y); 1887 $self->enter_map ($map, $x, $y);
1534} 1888}
1535 1889
1536cf::player->attach ( 1890cf::player->attach (
1537 on_logout => sub { 1891 on_logout => sub {
1549 1903
1550 # try to abort aborted map switching on player login :) 1904 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes 1905 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) { 1906 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link; 1907 $pl->ob->enter_link;
1554 cf::async { 1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1555 # we need this sleep as the login has a concurrent enter_exit running 1913 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn 1914 # and this sleep increases chances of the player not ending up in scorn
1557 Coro::Timer::sleep 1; 1915 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link; 1916 $pl->ob->leave_link;
1559 }; 1917 })->prio (2);
1560 } 1918 }
1561 }, 1919 },
1562); 1920);
1563 1921
1564=item $player_object->goto_map ($path, $x, $y) 1922=item $player_object->goto ($path, $x, $y)
1565 1923
1566=cut 1924=cut
1567 1925
1568sub cf::object::player::goto_map { 1926sub cf::object::player::goto {
1569 my ($self, $path, $x, $y) = @_; 1927 my ($self, $path, $x, $y) = @_;
1570 1928
1571 $self->enter_link; 1929 $self->enter_link;
1572 1930
1573 (cf::async { 1931 (async {
1574 $path = new cf::path $path; 1932 my $map = eval {
1575
1576 my $map = cf::map::find_map $path->as_string; 1933 my $map = cf::map::find $path;
1577 $map = $map->customise_for ($self) if $map; 1934 $map = $map->customise_for ($self) if $map;
1578 1935 $map
1579# warn "entering ", $map->path, " at ($x, $y)\n" 1936 } or
1580# if $map;
1581
1582 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583 1938
1584 $self->leave_link ($map, $x, $y); 1939 $self->leave_link ($map, $x, $y);
1585 })->prio (1); 1940 })->prio (1);
1586} 1941}
1587 1942
1591 1946
1592sub parse_random_map_params { 1947sub parse_random_map_params {
1593 my ($spec) = @_; 1948 my ($spec) = @_;
1594 1949
1595 my $rmp = { # defaults 1950 my $rmp = { # defaults
1596 xsize => 10, 1951 xsize => (cf::rndm 15, 40),
1597 ysize => 10, 1952 ysize => (cf::rndm 15, 40),
1953 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1954 #layout => string,
1598 }; 1955 };
1599 1956
1600 for (split /\n/, $spec) { 1957 for (split /\n/, $spec) {
1601 my ($k, $v) = split /\s+/, $_, 2; 1958 my ($k, $v) = split /\s+/, $_, 2;
1602 1959
1606 $rmp 1963 $rmp
1607} 1964}
1608 1965
1609sub prepare_random_map { 1966sub prepare_random_map {
1610 my ($exit) = @_; 1967 my ($exit) = @_;
1968
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1611 1970
1612 # all this does is basically replace the /! path by 1971 # all this does is basically replace the /! path by
1613 # a new random map path (?random/...) with a seed 1972 # a new random map path (?random/...) with a seed
1614 # that depends on the exit object 1973 # that depends on the exit object
1615 1974
1616 my $rmp = parse_random_map_params $exit->msg; 1975 my $rmp = parse_random_map_params $exit->msg;
1617 1976
1618 if ($exit->map) { 1977 if ($exit->map) {
1619 $rmp->{region} = $exit->map->region_name; 1978 $rmp->{region} = $exit->region->name;
1620 $rmp->{origin_map} = $exit->map->path; 1979 $rmp->{origin_map} = $exit->map->path;
1621 $rmp->{origin_x} = $exit->x; 1980 $rmp->{origin_x} = $exit->x;
1622 $rmp->{origin_y} = $exit->y; 1981 $rmp->{origin_y} = $exit->y;
1623 } 1982 }
1624 1983
1625 $rmp->{random_seed} ||= $exit->random_seed; 1984 $rmp->{random_seed} ||= $exit->random_seed;
1626 1985
1627 my $data = cf::to_json $rmp; 1986 my $data = cf::to_json $rmp;
1628 my $md5 = Digest::MD5::md5_hex $data; 1987 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1629 1989
1630 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631 aio_write $fh, 0, (length $data), $data, 0; 1991 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh;
1993 aio_rename "$meta~", $meta;
1632 1994
1633 $exit->slaying ("?random/$md5"); 1995 $exit->slaying ("?random/$md5");
1634 $exit->msg (undef); 1996 $exit->msg (undef);
1635 } 1997 }
1636} 1998}
1638sub cf::object::player::enter_exit { 2000sub cf::object::player::enter_exit {
1639 my ($self, $exit) = @_; 2001 my ($self, $exit) = @_;
1640 2002
1641 return unless $self->type == cf::PLAYER; 2003 return unless $self->type == cf::PLAYER;
1642 2004
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
2015
1643 $self->enter_link; 2016 $self->enter_link;
1644 2017
1645 (cf::async { 2018 (async {
2019 $self->deactivate_recursive; # just to be sure
1646 unless (eval { 2020 unless (eval {
1647 prepare_random_map $exit 2021 $self->goto ($slaying, $hp, $sp);
1648 if $exit->slaying eq "/!";
1649
1650 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1652 2022
1653 1; 2023 1;
1654 }) { 2024 }) {
1655 $self->message ("Something went wrong deep within the crossfire server. " 2025 $self->message ("Something went wrong deep within the crossfire server. "
1656 . "I'll try to bring you back to the map you were before. " 2026 . "I'll try to bring you back to the map you were before. "
1657 . "Please report this to the dungeon master", 2027 . "Please report this to the dungeon master!",
1658 cf::NDI_UNIQUE | cf::NDI_RED); 2028 cf::NDI_UNIQUE | cf::NDI_RED);
1659 2029
1660 warn "ERROR in enter_exit: $@"; 2030 warn "ERROR in enter_exit: $@";
1661 $self->leave_link; 2031 $self->leave_link;
1662 } 2032 }
1663 })->prio (1); 2033 })->prio (1);
1676 2046
1677sub cf::client::send_drawinfo { 2047sub cf::client::send_drawinfo {
1678 my ($self, $text, $flags) = @_; 2048 my ($self, $text, $flags) = @_;
1679 2049
1680 utf8::encode $text; 2050 utf8::encode $text;
1681 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682} 2052}
1683 2053
2054=item $client->ext_event ($type, %msg)
2055
2056Sends an exti event to the client.
2057
2058=cut
2059
2060sub cf::client::ext_event($$%) {
2061 my ($self, $type, %msg) = @_;
2062
2063 $msg{msgtype} = "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg);
2065}
1684 2066
1685=item $success = $client->query ($flags, "text", \&cb) 2067=item $success = $client->query ($flags, "text", \&cb)
1686 2068
1687Queues a query to the client, calling the given callback with 2069Queues a query to the client, calling the given callback with
1688the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1717 # get handled first 2099 # get handled first
1718 my $queue = delete $ns->{query_queue} 2100 my $queue = delete $ns->{query_queue}
1719 or return; # be conservative, not sure how that can happen, but we saw a crash here 2101 or return; # be conservative, not sure how that can happen, but we saw a crash here
1720 2102
1721 (shift @$queue)->[1]->($msg); 2103 (shift @$queue)->[1]->($msg);
2104 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1722 2105
1723 push @{ $ns->{query_queue} }, @$queue; 2106 push @{ $ns->{query_queue} }, @$queue;
1724 2107
1725 if (@{ $ns->{query_queue} } == @$queue) { 2108 if (@{ $ns->{query_queue} } == @$queue) {
1726 if (@$queue) { 2109 if (@$queue) {
1730 } 2113 }
1731 } 2114 }
1732 }, 2115 },
1733); 2116);
1734 2117
1735=item $client->coro (\&cb) 2118=item $client->async (\&cb)
1736 2119
1737Create a new coroutine, running the specified callback. The coroutine will 2120Create a new coroutine, running the specified callback. The coroutine will
1738be automatically cancelled when the client gets destroyed (e.g. on logout, 2121be automatically cancelled when the client gets destroyed (e.g. on logout,
1739or loss of connection). 2122or loss of connection).
1740 2123
1741=cut 2124=cut
1742 2125
1743sub cf::client::coro { 2126sub cf::client::async {
1744 my ($self, $cb) = @_; 2127 my ($self, $cb) = @_;
1745 2128
1746 my $coro = &cf::async ($cb); 2129 my $coro = &Coro::async ($cb);
1747 2130
1748 $coro->on_destroy (sub { 2131 $coro->on_destroy (sub {
1749 delete $self->{_coro}{$coro+0}; 2132 delete $self->{_coro}{$coro+0};
1750 }); 2133 });
1751 2134
1784 2167
1785# here we export the classes and methods available to script code 2168# here we export the classes and methods available to script code
1786 2169
1787=pod 2170=pod
1788 2171
1789The following fucntions and emthods are available within a safe environment: 2172The following functions and methods are available within a safe environment:
1790 2173
1791 cf::object contr pay_amount pay_player map 2174 cf::object contr pay_amount pay_player map
1792 cf::object::player player 2175 cf::object::player player
1793 cf::player peaceful 2176 cf::player peaceful
1794 cf::map trigger 2177 cf::map trigger
1887The parameter C<$family> should best start with the name of the extension 2270The parameter C<$family> should best start with the name of the extension
1888using it, it should be unique. 2271using it, it should be unique.
1889 2272
1890=over 4 2273=over 4
1891 2274
1892=item $hashref = cf::db_get $family
1893
1894Return a hashref for use by the extension C<$family>, which can be
1895modified. After modifications, you have to call C<cf::db_dirty> or
1896C<cf::db_sync>.
1897
1898=item $value = cf::db_get $family => $key 2275=item $value = cf::db_get $family => $key
1899 2276
1900Returns a single value from the database 2277Returns a single value from the database.
1901
1902=item cf::db_put $family => $hashref
1903
1904Stores the given family hashref into the database. Updates are delayed, if
1905you want the data to be synced to disk immediately, use C<cf::db_sync>.
1906 2278
1907=item cf::db_put $family => $key => $value 2279=item cf::db_put $family => $key => $value
1908 2280
1909Stores the given C<$value> in the family hash. Updates are delayed, if you 2281Stores the given C<$value> in the family.
1910want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912=item cf::db_dirty
1913
1914Marks the database as dirty, to be updated at a later time.
1915
1916=item cf::db_sync
1917
1918Immediately write the database to disk I<if it is dirty>.
1919 2282
1920=cut 2283=cut
1921 2284
1922our $DB; 2285our $DB;
1923 2286
1924{ 2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
1925 my $path = cf::localdir . "/database.pst"; 2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
1926 2306
1927 sub db_load() { 2307 cf::db_put (board => data => $pst->{board});
1928 $DB = stat $path ? Storable::retrieve $path : { }; 2308 cf::db_put (guildrules => data => $pst->{guildrules});
1929 } 2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
1930 2311
1931 my $pid; 2312 unlink $path;
1932
1933 sub db_save() {
1934 waitpid $pid, 0 if $pid;
1935 if (0 == ($pid = fork)) {
1936 $DB->{_meta}{version} = 1;
1937 Storable::nstore $DB, "$path~";
1938 rename "$path~", $path;
1939 cf::_exit 0 if defined $pid;
1940 } 2313 };
1941 }
1942
1943 my $dirty;
1944
1945 sub db_sync() {
1946 db_save if $dirty;
1947 undef $dirty;
1948 }
1949
1950 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1951 db_sync;
1952 });
1953
1954 sub db_dirty() {
1955 $dirty = 1;
1956 $idle->start;
1957 }
1958
1959 sub db_get($;$) {
1960 @_ >= 2
1961 ? $DB->{$_[0]}{$_[1]}
1962 : ($DB->{$_[0]} ||= { })
1963 }
1964
1965 sub db_put($$;$) {
1966 if (@_ >= 3) {
1967 $DB->{$_[0]}{$_[1]} = $_[2];
1968 } else {
1969 $DB->{$_[0]} = $_[1];
1970 }
1971 db_dirty;
1972 }
1973
1974 cf::global->attach (
1975 prio => 10000,
1976 on_cleanup => sub {
1977 db_sync;
1978 }, 2314 }
1979 ); 2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1980} 2332}
1981 2333
1982############################################################################# 2334#############################################################################
1983# the server's main() 2335# the server's init and main functions
2336
2337sub load_facedata($) {
2338 my ($path) = @_;
2339
2340 warn "loading facedata from $path\n";
2341
2342 my $facedata;
2343 0 < aio_load $path, $facedata
2344 or die "$path: $!";
2345
2346 $facedata = Coro::Storable::thaw $facedata;
2347
2348 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350
2351 {
2352 my $faces = $facedata->{faceinfo};
2353
2354 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2359 Coro::cede;
2360 }
2361
2362 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth};
2364 my $idx = cf::face::find $face
2365 or next;
2366 if (my $smooth = cf::face::find $info->{smooth}) {
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
2368 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 }
2371 Coro::cede;
2372 }
2373 }
2374
2375 {
2376 my $anims = $facedata->{animinfo};
2377
2378 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede;
2381 }
2382
2383 cf::anim::invalidate_all; # d'oh
2384 }
2385
2386 1
2387}
2388
2389sub reload_facedata {
2390 load_facedata sprintf "%s/facedata", cf::datadir
2391 or die "unable to load facedata\n";
2392}
2393
2394sub reload_regions {
2395 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396 or die "unable to load regions file\n";
2397}
2398
2399sub reload_archetypes {
2400 load_resource_file sprintf "%s/archetypes", cf::datadir
2401 or die "unable to load archetypes\n";
2402}
2403
2404sub reload_treasures {
2405 load_resource_file sprintf "%s/treasures", cf::datadir
2406 or die "unable to load treasurelists\n";
2407}
2408
2409sub reload_resources {
2410 warn "reloading resource files...\n";
2411
2412 reload_regions;
2413 reload_facedata;
2414 reload_archetypes;
2415 reload_treasures;
2416
2417 warn "finished reloading resource files\n";
2418}
2419
2420sub init {
2421 reload_resources;
2422}
1984 2423
1985sub cfg_load { 2424sub cfg_load {
1986 open my $fh, "<:utf8", cf::confdir . "/config" 2425 open my $fh, "<:utf8", cf::confdir . "/config"
1987 or return; 2426 or return;
1988 2427
1989 local $/; 2428 local $/;
1990 *CFG = YAML::Syck::Load <$fh>; 2429 *CFG = YAML::Syck::Load <$fh>;
2430
2431 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2432
2433 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2434 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2435
2436 if (exists $CFG{mlockall}) {
2437 eval {
2438 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2439 and die "WARNING: m(un)lockall failed: $!\n";
2440 };
2441 warn $@ if $@;
2442 }
1991} 2443}
1992 2444
1993sub main { 2445sub main {
1994 # we must not ever block the main coroutine 2446 # we must not ever block the main coroutine
1995 local $Coro::idle = sub { 2447 local $Coro::idle = sub {
1996 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2448 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997 (Coro::unblock_sub { 2449 (async {
1998 Event::one_event; 2450 Event::one_event;
1999 })->(); 2451 })->prio (Coro::PRIO_MAX);
2000 }; 2452 };
2001 2453
2002 cfg_load; 2454 cfg_load;
2003 db_load; 2455 db_init;
2004 load_extensions; 2456 load_extensions;
2457
2458 $TICK_WATCHER->start;
2005 Event::loop; 2459 Event::loop;
2006} 2460}
2007 2461
2008############################################################################# 2462#############################################################################
2009# initialisation 2463# initialisation and cleanup
2010 2464
2465# install some emergency cleanup handlers
2466BEGIN {
2467 for my $signal (qw(INT HUP TERM)) {
2468 Event->signal (
2469 reentrant => 0,
2470 data => WF_AUTOCANCEL,
2471 signal => $signal,
2472 prio => 0,
2473 cb => sub {
2474 cf::cleanup "SIG$signal";
2475 },
2476 );
2477 }
2478}
2479
2480sub emergency_save() {
2481 my $freeze_guard = cf::freeze_mainloop;
2482
2483 warn "enter emergency perl save\n";
2484
2485 cf::sync_job {
2486 # use a peculiar iteration method to avoid tripping on perl
2487 # refcount bugs in for. also avoids problems with players
2488 # and maps saved/destroyed asynchronously.
2489 warn "begin emergency player save\n";
2490 for my $login (keys %cf::PLAYER) {
2491 my $pl = $cf::PLAYER{$login} or next;
2492 $pl->valid or next;
2493 $pl->save;
2494 }
2495 warn "end emergency player save\n";
2496
2497 warn "begin emergency map save\n";
2498 for my $path (keys %cf::MAP) {
2499 my $map = $cf::MAP{$path} or next;
2500 $map->valid or next;
2501 $map->save;
2502 }
2503 warn "end emergency map save\n";
2504
2505 warn "begin emergency database checkpoint\n";
2506 BDB::db_env_txn_checkpoint $DB_ENV;
2507 warn "end emergency database checkpoint\n";
2508 };
2509
2510 warn "leave emergency perl save\n";
2511}
2512
2513sub post_cleanup {
2514 my ($make_core) = @_;
2515
2516 warn Carp::longmess "post_cleanup backtrace"
2517 if $make_core;
2518}
2519
2011sub reload() { 2520sub do_reload_perl() {
2012 # can/must only be called in main 2521 # can/must only be called in main
2013 if ($Coro::current != $Coro::main) { 2522 if ($Coro::current != $Coro::main) {
2014 warn "can only reload from main coroutine\n"; 2523 warn "can only reload from main coroutine";
2015 return; 2524 return;
2016 } 2525 }
2017 2526
2018 warn "reloading..."; 2527 warn "reloading...";
2019 2528
2020 local $FREEZE = 1; 2529 warn "entering sync_job";
2530
2531 cf::sync_job {
2532 cf::write_runtime; # external watchdog should not bark
2021 cf::emergency_save; 2533 cf::emergency_save;
2534 cf::write_runtime; # external watchdog should not bark
2022 2535
2023 eval { 2536 warn "syncing database to disk";
2537 BDB::db_env_txn_checkpoint $DB_ENV;
2538
2024 # if anything goes wrong in here, we should simply crash as we already saved 2539 # if anything goes wrong in here, we should simply crash as we already saved
2025 2540
2026 # cancel all watchers 2541 warn "cancelling all WF_AUTOCANCEL watchers";
2027 for (Event::all_watchers) { 2542 for (Event::all_watchers) {
2028 $_->cancel if $_->data & WF_AUTOCANCEL; 2543 $_->cancel if $_->data & WF_AUTOCANCEL;
2029 } 2544 }
2030 2545
2546 warn "flushing outstanding aio requests";
2547 for (;;) {
2548 BDB::flush;
2549 IO::AIO::flush;
2550 Coro::cede;
2551 last unless IO::AIO::nreqs || BDB::nreqs;
2552 warn "iterate...";
2553 }
2554
2555 ++$RELOAD;
2556
2031 # cancel all extension coros 2557 warn "cancelling all extension coros";
2032 $_->cancel for values %EXT_CORO; 2558 $_->cancel for values %EXT_CORO;
2033 %EXT_CORO = (); 2559 %EXT_CORO = ();
2034 2560
2035 # unload all extensions 2561 warn "removing commands";
2036 for (@exts) { 2562 %COMMAND = ();
2563
2564 warn "removing ext commands";
2565 %EXTCMD = ();
2566
2567 warn "unloading/nuking all extensions";
2568 for my $pkg (@EXTS) {
2037 warn "unloading <$_>"; 2569 warn "... unloading $pkg";
2038 unload_extension $_; 2570
2571 if (my $cb = $pkg->can ("unload")) {
2572 eval {
2573 $cb->($pkg);
2574 1
2575 } or warn "$pkg unloaded, but with errors: $@";
2039 } 2576 }
2040 2577
2578 warn "... nuking $pkg";
2579 Symbol::delete_package $pkg;
2580 }
2581
2041 # unload all modules loaded from $LIBDIR 2582 warn "unloading all perl modules loaded from $LIBDIR";
2042 while (my ($k, $v) = each %INC) { 2583 while (my ($k, $v) = each %INC) {
2043 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2584 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044 2585
2045 warn "removing <$k>"; 2586 warn "... unloading $k";
2046 delete $INC{$k}; 2587 delete $INC{$k};
2047 2588
2048 $k =~ s/\.pm$//; 2589 $k =~ s/\.pm$//;
2049 $k =~ s/\//::/g; 2590 $k =~ s/\//::/g;
2050 2591
2053 } 2594 }
2054 2595
2055 Symbol::delete_package $k; 2596 Symbol::delete_package $k;
2056 } 2597 }
2057 2598
2058 # sync database to disk
2059 cf::db_sync;
2060 IO::AIO::flush;
2061
2062 # get rid of safe::, as good as possible 2599 warn "getting rid of safe::, as good as possible";
2063 Symbol::delete_package "safe::$_" 2600 Symbol::delete_package "safe::$_"
2064 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2601 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065 2602
2066 # remove register_script_function callbacks
2067 # TODO
2068
2069 # unload cf.pm "a bit" 2603 warn "unloading cf.pm \"a bit\"";
2070 delete $INC{"cf.pm"}; 2604 delete $INC{"cf.pm"};
2071 2605
2072 # don't, removes xs symbols, too, 2606 # don't, removes xs symbols, too,
2073 # and global variables created in xs 2607 # and global variables created in xs
2074 #Symbol::delete_package __PACKAGE__; 2608 #Symbol::delete_package __PACKAGE__;
2075 2609
2076 # reload cf.pm 2610 warn "unload completed, starting to reload now";
2611
2077 warn "reloading cf.pm"; 2612 warn "reloading cf.pm";
2078 require cf; 2613 require cf;
2079 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2614 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080 2615
2081 # load config and database again 2616 warn "loading config and database again";
2082 cf::cfg_load; 2617 cf::cfg_load;
2083 cf::db_load;
2084 2618
2085 # load extensions
2086 warn "load extensions"; 2619 warn "loading extensions";
2087 cf::load_extensions; 2620 cf::load_extensions;
2088 2621
2089 # reattach attachments to objects 2622 warn "reattaching attachments to objects/players";
2090 warn "reattach"; 2623 _global_reattach; # objects, sockets
2091 _global_reattach; 2624 warn "reattaching attachments to maps";
2092 }; 2625 reattach $_ for values %MAP;
2626 warn "reattaching attachments to players";
2627 reattach $_ for values %PLAYER;
2093 2628
2094 if ($@) { 2629 warn "leaving sync_job";
2630
2631 1
2632 } or do {
2095 warn $@; 2633 warn $@;
2096 warn "error while reloading, exiting."; 2634 warn "error while reloading, exiting.";
2097 exit 1; 2635 exit 1;
2098 } 2636 };
2099 2637
2100 warn "reloaded successfully"; 2638 warn "reloaded";
2101}; 2639};
2102 2640
2103############################################################################# 2641our $RELOAD_WATCHER; # used only during reload
2104 2642
2105unless ($LINK_MAP) { 2643sub reload_perl() {
2106 $LINK_MAP = cf::map::new; 2644 # doing reload synchronously and two reloads happen back-to-back,
2645 # coro crashes during coro_state_free->destroy here.
2107 2646
2108 $LINK_MAP->width (41); 2647 $RELOAD_WATCHER ||= Event->timer (
2109 $LINK_MAP->height (41); 2648 reentrant => 0,
2110 $LINK_MAP->alloc;
2111 $LINK_MAP->path ("{link}");
2112 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2114
2115 # dirty hack because... archetypes are not yet loaded
2116 Event->timer (
2117 after => 2, 2649 after => 0,
2650 data => WF_AUTOCANCEL,
2118 cb => sub { 2651 cb => sub {
2119 $_[0]->w->cancel; 2652 do_reload_perl;
2120 2653 undef $RELOAD_WATCHER;
2121 # provide some exits "home"
2122 my $exit = cf::object::new "exit";
2123
2124 $exit->slaying ($EMERGENCY_POSITION->[0]);
2125 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2126 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2127
2128 $LINK_MAP->insert ($exit->clone, 19, 19);
2129 $LINK_MAP->insert ($exit->clone, 19, 20);
2130 $LINK_MAP->insert ($exit->clone, 19, 21);
2131 $LINK_MAP->insert ($exit->clone, 20, 19);
2132 $LINK_MAP->insert ($exit->clone, 20, 21);
2133 $LINK_MAP->insert ($exit->clone, 21, 19);
2134 $LINK_MAP->insert ($exit->clone, 21, 20);
2135 $LINK_MAP->insert ($exit->clone, 21, 21);
2136
2137 $exit->destroy;
2138 }); 2654 },
2139 2655 );
2140 $LINK_MAP->{deny_save} = 1;
2141 $LINK_MAP->{deny_reset} = 1;
2142
2143 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144} 2656}
2145
2146register "<global>", __PACKAGE__;
2147 2657
2148register_command "reload" => sub { 2658register_command "reload" => sub {
2149 my ($who, $arg) = @_; 2659 my ($who, $arg) = @_;
2150 2660
2151 if ($who->flag (FLAG_WIZ)) { 2661 if ($who->flag (FLAG_WIZ)) {
2152 $who->message ("start of reload.");
2153 reload;
2154 $who->message ("end of reload."); 2662 $who->message ("reloading server.");
2663 async { reload_perl };
2155 } 2664 }
2156}; 2665};
2157 2666
2158unshift @INC, $LIBDIR; 2667unshift @INC, $LIBDIR;
2668
2669my $bug_warning = 0;
2670
2671our @WAIT_FOR_TICK;
2672our @WAIT_FOR_TICK_BEGIN;
2673
2674sub wait_for_tick {
2675 return unless $TICK_WATCHER->is_active;
2676 return if $Coro::current == $Coro::main;
2677
2678 my $signal = new Coro::Signal;
2679 push @WAIT_FOR_TICK, $signal;
2680 $signal->wait;
2681}
2682
2683sub wait_for_tick_begin {
2684 return unless $TICK_WATCHER->is_active;
2685 return if $Coro::current == $Coro::main;
2686
2687 my $signal = new Coro::Signal;
2688 push @WAIT_FOR_TICK_BEGIN, $signal;
2689 $signal->wait;
2690}
2159 2691
2160$TICK_WATCHER = Event->timer ( 2692$TICK_WATCHER = Event->timer (
2161 reentrant => 0, 2693 reentrant => 0,
2694 parked => 1,
2162 prio => 0, 2695 prio => 0,
2163 at => $NEXT_TICK || $TICK, 2696 at => $NEXT_TICK || $TICK,
2164 data => WF_AUTOCANCEL, 2697 data => WF_AUTOCANCEL,
2165 cb => sub { 2698 cb => sub {
2166 unless ($FREEZE) { 2699 if ($Coro::current != $Coro::main) {
2700 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701 unless ++$bug_warning > 10;
2702 return;
2703 }
2704
2705 $NOW = Event::time;
2706
2167 cf::server_tick; # one server iteration 2707 cf::server_tick; # one server iteration
2708
2168 $RUNTIME += $TICK; 2709 $RUNTIME += $TICK;
2169 }
2170
2171 $NEXT_TICK += $TICK; 2710 $NEXT_TICK += $TICK;
2711
2712 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713 $NEXT_RUNTIME_WRITE = $NOW + 10;
2714 Coro::async_pool {
2715 write_runtime
2716 or warn "ERROR: unable to write runtime file: $!";
2717 };
2718 }
2719
2720# my $AFTER = Event::time;
2721# warn $AFTER - $NOW;#d#
2172 2722
2173 # if we are delayed by four ticks or more, skip them all 2723 # if we are delayed by four ticks or more, skip them all
2174 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2724 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175 2725
2176 $TICK_WATCHER->at ($NEXT_TICK); 2726 $TICK_WATCHER->at ($NEXT_TICK);
2177 $TICK_WATCHER->start; 2727 $TICK_WATCHER->start;
2728
2729 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730 $sig->send;
2731 }
2732 while (my $sig = shift @WAIT_FOR_TICK) {
2733 $sig->send;
2734 }
2735
2736 _post_tick;
2178 }, 2737 },
2179); 2738);
2180 2739
2740{
2181IO::AIO::max_poll_time $TICK * 0.2; 2741 BDB::max_poll_time $TICK * 0.1;
2182 2742 $BDB_POLL_WATCHER = Event->io (
2183Event->io ( 2743 reentrant => 0,
2184 fd => IO::AIO::poll_fileno, 2744 fd => BDB::poll_fileno,
2185 poll => 'r', 2745 poll => 'r',
2186 prio => 5, 2746 prio => 0,
2187 data => WF_AUTOCANCEL,
2188 cb => \&IO::AIO::poll_cb,
2189);
2190
2191Event->timer (
2192 data => WF_AUTOCANCEL, 2747 data => WF_AUTOCANCEL,
2193 after => 0, 2748 cb => \&BDB::poll_cb,
2194 interval => 10, 2749 );
2195 cb => sub { 2750 BDB::min_parallel 8;
2196 (Coro::unblock_sub { 2751
2197 write_runtime 2752 BDB::set_sync_prepare {
2198 or warn "ERROR: unable to write runtime file: $!"; 2753 my $status;
2754 my $current = $Coro::current;
2755 (
2756 sub {
2757 $status = $!;
2758 $current->ready; undef $current;
2759 },
2760 sub {
2761 Coro::schedule while defined $current;
2762 $! = $status;
2763 },
2764 )
2765 };
2766
2767 unless ($DB_ENV) {
2768 $DB_ENV = BDB::db_env_create;
2769
2770 cf::sync_job {
2771 eval {
2772 BDB::db_env_open
2773 $DB_ENV,
2774 $BDB_ENV_DIR,
2775 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777 0666;
2778
2779 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2780
2781 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782 $DB_ENV->set_lk_detect;
2783 };
2784
2785 cf::cleanup "db_env_open(db): $@" if $@;
2199 })->(); 2786 };
2200 }, 2787 }
2201); 2788}
2789
2790{
2791 IO::AIO::min_parallel 8;
2792
2793 undef $Coro::AIO::WATCHER;
2794 IO::AIO::max_poll_time $TICK * 0.1;
2795 $AIO_POLL_WATCHER = Event->io (
2796 reentrant => 0,
2797 data => WF_AUTOCANCEL,
2798 fd => IO::AIO::poll_fileno,
2799 poll => 'r',
2800 prio => 6,
2801 cb => \&IO::AIO::poll_cb,
2802 );
2803}
2202 2804
2203END { cf::emergency_save } 2805END { cf::emergency_save }
2204 2806
22051 28071
2206 2808

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines