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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use EV 1.86;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.3 (); 15use Coro 4.32 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::EV;
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::BDB;
24use Coro::Storable;
25use Coro::Util ();
19 26
27use JSON::XS 2.01 ();
28use BDB ();
29use Data::Dumper;
20use Digest::MD5; 30use Digest::MD5;
21use Fcntl; 31use Fcntl;
32use YAML ();
22use IO::AIO 2.31 (); 33use IO::AIO 2.51 ();
23use YAML::Syck ();
24use Time::HiRes; 34use Time::HiRes;
35use Compress::LZF;
36use Digest::MD5 ();
25 37
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 38# configure various modules to our taste
39#
40$Storable::canonical = 1; # reduce rsync transfers
41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
27 43
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1;
30
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 45
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 47
35our %COMMAND = (); 48our %COMMAND = ();
36our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
50
51our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps
38 56
57our $RELOAD; # number of reloads so far
39our @EVENT; 58our @EVENT;
40our $LIBDIR = datadir . "/ext";
41 59
42our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
72
73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43our $TICK_WATCHER; 74our $TICK_WATCHER;
75our $AIO_POLL_WATCHER;
76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44our $NEXT_TICK; 77our $NEXT_TICK;
45our $NOW; 78our $USE_FSYNC = 1; # use fsync to write maps - default off
79
80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER;
84our $DB_ENV;
46 85
47our %CFG; 86our %CFG;
48 87
49our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 89our $RUNTIME;
90our $NOW;
51 91
52our %MAP; # all maps 92our (%PLAYER, %PLAYER_LOADING); # all users
53our $LINK_MAP; # the special {link} map 93our (%MAP, %MAP_LOADING ); # all maps
54our $FREEZE; 94our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 95
56our %EXT_CORO; 96# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
57 102
58binmode STDOUT; 103binmode STDOUT;
59binmode STDERR; 104binmode STDERR;
60 105
61# read virtual server time, if available 106# read virtual server time, if available
62unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
64 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
65 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
66} 111}
67 112
68mkdir cf::localdir; 113mkdir $_
69mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS;
73 115
74# a special map that is always available 116our $EMERGENCY_POSITION;
75our $LINK_MAP;
76 117
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 118sub cf::map::normalise;
78 119
79############################################################################# 120#############################################################################
80 121
81=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
82 123
… …
89=item $cf::RUNTIME 130=item $cf::RUNTIME
90 131
91The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
92every server tick. 133every server tick.
93 134
94=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95 138
96The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
97be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
98 143
99=item $cf::NOW 144=item $cf::NOW
100 145
101The time of the last (current) server tick. 146The time of the last (current) server tick.
102 147
103=item $cf::TICK 148=item $cf::TICK
104 149
105The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
106 151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
161
107=item %cf::CFG 162=item %cf::CFG
108 163
109Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110from wherever your confdir points to. 165from wherever your confdir points to.
166
167=item cf::wait_for_tick, cf::wait_for_tick_begin
168
169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170returns directly I<after> the tick processing (and consequently, can only wake one process
171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
111 178
112=back 179=back
113 180
114=cut 181=cut
115 182
116BEGIN { 183BEGIN {
117 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
118 my $msg = join "", @_; 185 my $msg = join "", @_;
119 utf8::encode $msg;
120 186
121 $msg .= "\n" 187 $msg .= "\n"
122 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
123 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
124 LOG llevError, "cfperl: $msg"; 192 LOG llevError, $msg;
125 }; 193 };
126} 194}
195
196$Coro::State::DIEHOOK = sub {
197 return unless $^S eq 0; # "eq", not "=="
198
199 if ($Coro::current == $Coro::main) {#d#
200 warn "DIEHOOK called in main context, Coro bug?\n";#d#
201 return;#d#
202 }#d#
203
204 # kill coroutine otherwise
205 warn Carp::longmess $_[0];
206 Coro::terminate
207};
208
209$SIG{__DIE__} = sub { }; #d#?
127 210
128@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 215@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
216@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 217@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134 218
135# we bless all objects into (empty) derived classes to force a method lookup 219# we bless all objects into (empty) derived classes to force a method lookup
136# within the Safe compartment. 220# within the Safe compartment.
137for my $pkg (qw( 221for my $pkg (qw(
138 cf::global cf::attachable 222 cf::global cf::attachable
… …
143)) { 227)) {
144 no strict 'refs'; 228 no strict 'refs';
145 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146} 230}
147 231
148$Event::DIED = sub { 232$EV::DIED = sub {
149 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
150}; 234};
151 235
152my %ext_pkg; 236#############################################################################
153my @exts;
154my @hook;
155 237
156=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
157 239
158=over 4 240=over 4
159 241
160=cut 242=item dumpval $ref
161 243
162use JSON::Syck (); # TODO# replace by JSON::PC once working 244=cut
163 245
246sub dumpval {
247 eval {
248 local $SIG{__DIE__};
249 my $d;
250 if (1) {
251 $d = new Data::Dumper([$_[0]], ["*var"]);
252 $d->Terse(1);
253 $d->Indent(2);
254 $d->Quotekeys(0);
255 $d->Useqq(1);
256 #$d->Bless(...);
257 $d->Seen($_[1]) if @_ > 1;
258 $d = $d->Dump();
259 }
260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
261 $d
262 } || "[unable to dump $_[0]: '$@']";
263}
264
164=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
165 266
166Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
167 268
168=cut
169
170sub from_json($) {
171 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172 JSON::Syck::Load $_[0]
173}
174
175=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
176 270
177Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
178 272
179=cut 273=cut
180 274
181sub to_json($) { 275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0]
184}
185 276
186=item my $guard = cf::guard { BLOCK } 277sub encode_json($) { $json_coder->encode ($_[0]) }
187 278sub decode_json($) { $json_coder->decode ($_[0]) }
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}
207 279
208=item cf::lock_wait $string 280=item cf::lock_wait $string
209 281
210Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
211 283
212=item my $lock = cf::lock_acquire $string 284=item my $lock = cf::lock_acquire $string
213 285
214Wait until the given lock is available and then acquires it and returns 286Wait 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, 287a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
217returned. 289returned.
218 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
219Lock names should begin with a unique identifier (for example, find_map 294Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 295uses map_find and cf::map::load uses map_load).
296
297=item $locked = cf::lock_active $string
298
299Return true if the lock is currently active, i.e. somebody has locked it.
221 300
222=cut 301=cut
223 302
224our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
225 305
226sub lock_wait($) { 306sub lock_wait($) {
227 my ($key) = @_; 307 my ($key) = @_;
308
309 if ($LOCKER{$key} == $Coro::current) {#d#
310 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311 return;#d#
312 }#d#
228 313
229 # wait for lock, if any 314 # wait for lock, if any
230 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
231 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
232 Coro::schedule; 317 Coro::schedule;
… …
238 323
239 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
240 lock_wait $key; 325 lock_wait $key;
241 326
242 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
243 329
244 cf::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
245 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
247 } 334 }
248} 335}
249 336
337sub lock_active($) {
338 my ($key) = @_;
339
340 ! ! $LOCK{$key}
341}
342
343sub freeze_mainloop {
344 return unless $TICK_WATCHER->is_active;
345
346 my $guard = Coro::guard {
347 $TICK_WATCHER->start;
348 };
349 $TICK_WATCHER->stop;
350 $guard
351}
352
353=item cf::periodic $interval, $cb
354
355Like EV::periodic, but randomly selects a starting point so that the actions
356get spread over timer.
357
358=cut
359
360sub periodic($$) {
361 my ($interval, $cb) = @_;
362
363 my $start = rand List::Util::min 180, $interval;
364
365 EV::periodic $start, $interval, 0, $cb
366}
367
368=item cf::get_slot $time[, $priority[, $name]]
369
370Allocate $time seconds of blocking CPU time at priority C<$priority>:
371This call blocks and returns only when you have at least C<$time> seconds
372of cpu time till the next tick. The slot is only valid till the next cede.
373
374The optional C<$name> can be used to identify the job to run. It might be
375used for statistical purposes and should identify the same time-class.
376
377Useful for short background jobs.
378
379=cut
380
381our @SLOT_QUEUE;
382our $SLOT_QUEUE;
383
384$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385$SLOT_QUEUE = Coro::async {
386 $Coro::current->desc ("timeslot manager");
387
388 my $signal = new Coro::Signal;
389
390 while () {
391 next_job:
392 my $avail = cf::till_tick;
393 if ($avail > 0.01) {
394 for (0 .. $#SLOT_QUEUE) {
395 if ($SLOT_QUEUE[$_][0] < $avail) {
396 my $job = splice @SLOT_QUEUE, $_, 1, ();
397 $job->[2]->send;
398 Coro::cede;
399 goto next_job;
400 }
401 }
402 }
403
404 if (@SLOT_QUEUE) {
405 # we do not use wait_for_tick() as it returns immediately when tick is inactive
406 push @cf::WAIT_FOR_TICK, $signal;
407 $signal->wait;
408 } else {
409 Coro::schedule;
410 }
411 }
412};
413
414sub get_slot($;$$) {
415 my ($time, $pri, $name) = @_;
416
417 $time = $TICK * .6 if $time > $TICK * .6;
418 my $sig = new Coro::Signal;
419
420 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422 $SLOT_QUEUE->ready;
423 $sig->wait;
424}
425
250=item cf::async { BLOCK } 426=item cf::async { BLOCK }
251 427
252Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 428Currently the same as Coro::async_pool, meaning you cannot use
253error instead of exiting the server in case of a problem. 429C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
430thing you are allowed to do is call C<prio> on it.
254 431
255=cut 432=cut
256 433
257sub async(&) { 434BEGIN { *async = \&Coro::async_pool }
258 my ($cb) = @_;
259
260 Coro::async {
261 eval { $cb->() };
262 warn $@ if $@;
263 }
264}
265 435
266=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
267 437
268The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
269always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
270reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
271 442
272If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
273the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
274server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
275fast or be very important. 446fast or be very important.
… …
278 449
279sub sync_job(&) { 450sub sync_job(&) {
280 my ($job) = @_; 451 my ($job) = @_;
281 452
282 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
283 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
284 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
285 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
286 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
287 # (but this is cancel-safe) 462 # (but this is cancel-safe)
288 local $FREEZE = 1; 463 my $freeze_guard = freeze_mainloop;
289 464
290 my $busy = 1; 465 my $busy = 1;
291 my @res; 466 my @res;
292 467
293 (Coro::async { 468 (async {
469 $Coro::current->desc ("sync job coro");
294 @res = eval { $job->() }; 470 @res = eval { $job->() };
295 warn $@ if $@; 471 warn $@ if $@;
296 undef $busy; 472 undef $busy;
297 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
298 474
299 while ($busy) { 475 while ($busy) {
476 if (Coro::nready) {
300 Coro::cede_notself; 477 Coro::cede_notself;
301 Event::one_event unless Coro::nready; 478 } else {
479 EV::loop EV::LOOP_ONESHOT;
302 } 480 }
481 }
482
483 $time = EV::time - $time;
484
485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488 $tick_start += $time; # do not account sync jobs to server load
303 489
304 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
305 } else { 491 } else {
306 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
307 493
308 $job->() 494 $job->()
309 } 495 }
310} 496}
311 497
312=item $coro = cf::coro { BLOCK } 498=item $coro = cf::async_ext { BLOCK }
313 499
314Creates and returns a new coro. This coro is automcatially being canceled 500Like async, but this coro is automatically being canceled when the
315when the extension calling this is being unloaded. 501extension calling this is being unloaded.
316 502
317=cut 503=cut
318 504
319sub coro(&) { 505sub async_ext(&) {
320 my $cb = shift; 506 my $cb = shift;
321 507
322 my $coro = &cf::async ($cb); 508 my $coro = &Coro::async ($cb);
323 509
324 $coro->on_destroy (sub { 510 $coro->on_destroy (sub {
325 delete $EXT_CORO{$coro+0}; 511 delete $EXT_CORO{$coro+0};
326 }); 512 });
327 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
328 514
329 $coro 515 $coro
330} 516}
331 517
332sub write_runtime { 518=item fork_call { }, $args
333 my $runtime = cf::localdir . "/runtime";
334 519
335 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 520Executes the given code block with the given arguments in a seperate
336 or return; 521process, returning the results. Everything must be serialisable with
522Coro::Storable. May, of course, block. Note that the executed sub may
523never block itself or use any form of event handling.
337 524
338 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 525=cut
339 (aio_write $fh, 0, (length $value), $value, 0) <= 0
340 and return;
341 526
342 aio_fsync $fh 527sub fork_call(&@) {
343 and return; 528 my ($cb, @args) = @_;
344 529
345 close $fh 530 # we seemingly have to make a local copy of the whole thing,
346 or return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
347 533
348 aio_rename "$runtime~", $runtime 534 my @res = Coro::Util::fork_eval {
349 and return; 535 reset_signals;
536 &$cb
537 }, @args;
350 538
539 wantarray ? @res : $res[-1]
540}
541
542=item $value = cf::db_get $family => $key
543
544Returns a single value from the environment database.
545
546=item cf::db_put $family => $key => $value
547
548Stores the given C<$value> in the family. It can currently store binary
549data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
550
551=item $db = cf::db_table "name"
552
553Create and/or open a new database table. The string must not be "db" and must be unique
554within each server.
555
556=cut
557
558sub db_table($) {
559 my ($name) = @_;
560 my $db = BDB::db_create $DB_ENV;
561
562 eval {
563 $db->set_flags (BDB::CHKSUM);
564
565 utf8::encode $name;
566 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
567 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
568 cf::cleanup "db_open(db): $!" if $!;
569 };
570 cf::cleanup "db_open(db): $@" if $@;
571
572 $db
573}
574
575our $DB;
576
577sub db_init {
578 cf::sync_job {
579 $DB ||= db_table "db";
580 };
581}
582
583sub db_get($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
351 1 591 }
592}
593
594sub db_put($$$) {
595 BDB::dbreq_pri 4;
596 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
597}
598
599=item cf::cache $id => [$paths...], $processversion => $process
600
601Generic caching function that returns the value of the resource $id,
602caching and regenerating as required.
603
604This function can block.
605
606=cut
607
608sub cache {
609 my ($id, $src, $processversion, $process) = @_;
610
611 my $meta =
612 join "\x00",
613 $processversion,
614 map {
615 aio_stat $_
616 and Carp::croak "$_: $!";
617
618 ($_, (stat _)[7,9])
619 } @$src;
620
621 my $dbmeta = db_get cache => "$id/meta";
622 if ($dbmeta ne $meta) {
623 # changed, we may need to process
624
625 my @data;
626 my $md5;
627
628 for (0 .. $#$src) {
629 0 <= aio_load $src->[$_], $data[$_]
630 or Carp::croak "$src->[$_]: $!";
631 }
632
633 # if processing is expensive, check
634 # checksum first
635 if (1) {
636 $md5 =
637 join "\x00",
638 $processversion,
639 map {
640 cf::cede_to_tick;
641 ($src->[$_], Digest::MD5::md5_hex $data[$_])
642 } 0.. $#$src;
643
644
645 my $dbmd5 = db_get cache => "$id/md5";
646 if ($dbmd5 eq $md5) {
647 db_put cache => "$id/meta", $meta;
648
649 return db_get cache => "$id/data";
650 }
651 }
652
653 my $t1 = Time::HiRes::time;
654 my $data = $process->(\@data);
655 my $t2 = Time::HiRes::time;
656
657 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
658
659 db_put cache => "$id/data", $data;
660 db_put cache => "$id/md5" , $md5;
661 db_put cache => "$id/meta", $meta;
662
663 return $data;
664 }
665
666 db_get cache => "$id/data"
667}
668
669=item cf::datalog type => key => value, ...
670
671Log a datalog packet of the given type with the given key-value pairs.
672
673=cut
674
675sub datalog($@) {
676 my ($type, %kv) = @_;
677 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352} 678}
353 679
354=back 680=back
355 681
356=cut 682=cut
357
358#############################################################################
359
360package cf::path;
361
362sub new {
363 my ($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;
477 683
478############################################################################# 684#############################################################################
479 685
480=head2 ATTACHABLE OBJECTS 686=head2 ATTACHABLE OBJECTS
481 687
… …
483attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
484to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
485 691
486In the following description, CLASS can be any of C<global>, C<object> 692In the following description, CLASS can be any of C<global>, C<object>
487C<player>, C<client> or C<map> (i.e. the attachable objects in 693C<player>, C<client> or C<map> (i.e. the attachable objects in
488crossfire+). 694Deliantra).
489 695
490=over 4 696=over 4
491 697
492=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
493 699
… …
607our @CB_TYPE = (); # registry for type (cf-object class) based events 813our @CB_TYPE = (); # registry for type (cf-object class) based events
608our @CB_MAP = (); 814our @CB_MAP = ();
609 815
610my %attachment; 816my %attachment;
611 817
818sub cf::attachable::thawer_merge {
819 # simply override everything except _meta
820 local $_[0]{_meta};
821 %{$_[0]} = %{$_[1]};
822}
823
612sub _attach_cb($$$$) { 824sub _attach_cb($$$$) {
613 my ($registry, $event, $prio, $cb) = @_; 825 my ($registry, $event, $prio, $cb) = @_;
614 826
615 use sort 'stable'; 827 use sort 'stable';
616 828
… …
650 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
651 863
652 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
653 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
654 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
655 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656 868
657 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
658 my $pkg = shift @arg; 870 my $pkg = shift @arg;
659 871
660 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
689 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
690 } 902 }
691 903
692 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
693 } else { 905 } else {
694 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
695 } 907 }
696 908
697 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
698} 910}
699 911
… …
701 if (ref $_[0]) { 913 if (ref $_[0]) {
702 _object_attach @_; 914 _object_attach @_;
703 } else { 915 } else {
704 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
705 } 917 }
918 _recalc_want;
706}; 919};
707 920
708# all those should be optimised 921# all those should be optimised
709sub cf::attachable::detach { 922sub cf::attachable::detach {
710 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
713 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
714 reattach ($obj); 927 reattach ($obj);
715 } else { 928 } else {
716 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
717 } 930 }
931 _recalc_want;
718}; 932};
719 933
720sub cf::attachable::attached { 934sub cf::attachable::attached {
721 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
722 936
… …
737 "; 951 ";
738 die if $@; 952 die if $@;
739} 953}
740 954
741our $override; 955our $override;
742our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 956our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
743 957
744sub override { 958sub override {
745 $override = 1; 959 $override = 1;
746 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
747} 961}
748 962
749sub do_invoke { 963sub do_invoke {
750 my $event = shift; 964 my $event = shift;
751 my $callbacks = shift; 965 my $callbacks = shift;
752 966
753 @invoke_results = (); 967 @INVOKE_RESULTS = ();
754 968
755 local $override; 969 local $override;
756 970
757 for (@$callbacks) { 971 for (@$callbacks) {
758 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
767 } 981 }
768 982
769 0 983 0
770} 984}
771 985
772=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
773 987
774=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
775 989
776Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
777 991
778This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 992This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
779removed in future versions), and there is no public API to access override 993removed in future versions), and there is no public API to access override
780results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781 995
782=back 996=back
783 997
784=cut 998=cut
785 999
786############################################################################# 1000#############################################################################
787# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
788 1044
789sub reattach { 1045sub reattach {
790 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
791 my ($obj) = @_; 1047 my ($obj) = @_;
1048
1049 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
792 1050
793 my $registry = $obj->registry; 1051 my $registry = $obj->registry;
794 1052
795 @$registry = (); 1053 @$registry = ();
796 1054
… …
811cf::attachable->attach ( 1069cf::attachable->attach (
812 prio => -1000000, 1070 prio => -1000000,
813 on_instantiate => sub { 1071 on_instantiate => sub {
814 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
815 1073
816 $data = from_json $data; 1074 $data = decode_json $data;
817 1075
818 for (@$data) { 1076 for (@$data) {
819 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
820 1078
821 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
837sub object_freezer_save { 1095sub object_freezer_save {
838 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
839 1097
840 sync_job { 1098 sync_job {
841 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
842 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
843 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
844 1103
845 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
847 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
848 aio_fsync $fh; 1107 aio_fsync $fh if $cf::USE_FSYNC;
849 close $fh; 1108 close $fh;
850 1109
851 if (@$objs) { 1110 if (@$objs) {
852 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1111 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
853 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
854 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
855 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
856 aio_fsync $fh; 1115 aio_fsync $fh if $cf::USE_FSYNC;
857 close $fh; 1116 close $fh;
858 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
859 } 1118 }
860 } else { 1119 } else {
861 aio_unlink "$filename.pst"; 1120 aio_unlink "$filename.pst";
… …
867 } 1126 }
868 } else { 1127 } else {
869 aio_unlink $filename; 1128 aio_unlink $filename;
870 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
871 } 1130 }
872 } 1131 };
873} 1132}
874 1133
875sub object_freezer_as_string { 1134sub object_freezer_as_string {
876 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
877 1136
… …
889 or return; 1148 or return;
890 1149
891 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
892 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
893 or return; 1152 or return;
1153
894 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
895 } 1156 }
896 1157
1158 utf8::decode (my $decname = $filename);
897 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
898 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
899 return ($data, $av); 1162 ($data, $av)
900} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
901 1170
902############################################################################# 1171#############################################################################
903# command handling &c 1172# command handling &c
904 1173
905=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
918 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
919} 1188}
920 1189
921=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
922 1191
923Register a callbackf ro execution when the client sends an extcmd packet. 1192Register a callback for execution when the client sends an (synchronous)
1193extcmd packet. Ext commands will be processed in the order they are
1194received by the server, like other user commands. The first argument is
1195the logged-in player. Ext commands can only be processed after a player
1196has logged in successfully.
924 1197
925If the callback returns something, it is sent back as if reply was being 1198If the callback returns something, it is sent back as if reply was being
926called. 1199called.
927 1200
1201=item cf::register_exticmd $name => \&callback($ns,$packet);
1202
1203Register a callback for execution when the client sends an (asynchronous)
1204exticmd packet. Exti commands are processed by the server as soon as they
1205are received, i.e. out of order w.r.t. other commands. The first argument
1206is a client socket. Exti commands can be received anytime, even before
1207log-in.
1208
1209If the callback returns something, it is sent back as if reply was being
1210called.
1211
928=cut 1212=cut
929 1213
930sub register_extcmd { 1214sub register_extcmd {
931 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
932 1216
933 my $caller = caller;
934 #warn "registering extcmd '$name' to '$caller'";
935
936 $EXTCMD{$name} = [$cb, $caller]; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
937} 1224}
938 1225
939cf::player->attach ( 1226cf::player->attach (
940 on_command => sub { 1227 on_command => sub {
941 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
… …
950 cf::override; 1237 cf::override;
951 }, 1238 },
952 on_extcmd => sub { 1239 on_extcmd => sub {
953 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
954 1241
955 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956 1243
957 if (ref $msg) { 1244 if (ref $msg) {
1245 my ($type, $reply, @payload) =
1246 "ARRAY" eq ref $msg
1247 ? @$msg
1248 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1249
1250 my @reply;
1251
958 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
959 if (my %reply = $cb->[0]->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
960 $pl->ext_reply ($msg->{msgid}, %reply);
961 }
962 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
963 } else { 1259 } else {
964 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965 } 1261 }
966 1262
967 cf::override; 1263 cf::override;
968 }, 1264 },
969); 1265);
970 1266
971sub register {
972 my ($base, $pkg) = @_;
973
974 #TODO
975}
976
977sub load_extension { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
1271 for my $path (<$LIBDIR/*.ext>) {
1272 next unless -r $path;
1273
1274 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1275 my $base = $1;
1276 my $pkg = $1;
1277 $pkg =~ s/[^[:word:]]/_/g;
1278 $pkg = "ext::$pkg";
1279
1280 open my $fh, "<:utf8", $path
1281 or die "$path: $!";
1282
1283 my $source = do { local $/; <$fh> };
1284
1285 my %ext = (
1286 path => $path,
1287 base => $base,
1288 pkg => $pkg,
1289 );
1290
1291 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293
1294 $ext{source} =
1295 "package $pkg; use strict; use utf8;\n"
1296 . "#line 1 \"$path\"\n{\n"
1297 . $source
1298 . "\n};\n1";
1299
1300 $todo{$base} = \%ext;
1301 }
1302
1303 my %done;
1304 while (%todo) {
1305 my $progress;
1306
1307 while (my ($k, $v) = each %todo) {
1308 for (split /,\s*/, $v->{meta}{depends}) {
1309 goto skip
1310 unless exists $done{$_};
1311 }
1312
1313 warn "... loading '$k' into '$v->{pkg}'\n";
1314
1315 unless (eval $v->{source}) {
1316 my $msg = $@ ? "$v->{path}: $@\n"
1317 : "$v->{base}: extension inactive.\n";
1318
1319 if (exists $v->{meta}{mandatory}) {
1320 warn $msg;
1321 warn "mandatory extension failed to load, exiting.\n";
1322 exit 1;
1323 }
1324
1325 warn $msg;
1326 }
1327
1328 $done{$k} = delete $todo{$k};
1329 push @EXTS, $v->{pkg};
1330 $progress = 1;
1331 }
1332
1333 skip:
1334 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1335 unless $progress;
1336 }
1337 };
1338}
1339
1340#############################################################################
1341
1342=back
1343
1344=head2 CORE EXTENSIONS
1345
1346Functions and methods that extend core crossfire objects.
1347
1348=cut
1349
1350package cf::player;
1351
1352use Coro::AIO;
1353
1354=head3 cf::player
1355
1356=over 4
1357
1358=item cf::player::num_playing
1359
1360Returns the official number of playing players, as per the Crossfire metaserver rules.
1361
1362=cut
1363
1364sub num_playing {
1365 scalar grep
1366 $_->ob->map
1367 && !$_->hidden
1368 && !$_->ob->flag (cf::FLAG_WIZ),
1369 cf::player::list
1370}
1371
1372=item cf::player::find $login
1373
1374Returns the given player object, loading it if necessary (might block).
1375
1376=cut
1377
1378sub playerdir($) {
1379 "$PLAYERDIR/"
1380 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1381}
1382
1383sub path($) {
1384 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1385
1386 (playerdir $login) . "/playerdata"
1387}
1388
1389sub find_active($) {
1390 $cf::PLAYER{$_[0]}
1391 and $cf::PLAYER{$_[0]}->active
1392 and $cf::PLAYER{$_[0]}
1393}
1394
1395sub exists($) {
1396 my ($login) = @_;
1397
1398 $cf::PLAYER{$login}
1399 or cf::sync_job { !aio_stat path $login }
1400}
1401
1402sub find($) {
1403 return $cf::PLAYER{$_[0]} || do {
1404 my $login = $_[0];
1405
1406 my $guard = cf::lock_acquire "user_find:$login";
1407
1408 $cf::PLAYER{$_[0]} || do {
1409 # rename old playerfiles to new ones
1410 #TODO: remove when no longer required
1411 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1412 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1413 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1414 aio_unlink +(playerdir $login) . "/$login.pl";
1415
1416 my $f = new_from_file cf::object::thawer path $login
1417 or return;
1418
1419 my $pl = cf::player::load_pl $f
1420 or return;
1421 local $cf::PLAYER_LOADING{$login} = $pl;
1422 $f->resolve_delayed_derefs;
1423 $cf::PLAYER{$login} = $pl
1424 }
1425 }
1426}
1427
1428sub save($) {
1429 my ($pl) = @_;
1430
1431 return if $pl->{deny_save};
1432
1433 my $path = path $pl;
1434 my $guard = cf::lock_acquire "user_save:$path";
1435
1436 return if $pl->{deny_save};
1437
1438 aio_mkdir playerdir $pl, 0770;
1439 $pl->{last_save} = $cf::RUNTIME;
1440
1441 $pl->save_pl ($path);
1442 cf::cede_to_tick;
1443}
1444
1445sub new($) {
1446 my ($login) = @_;
1447
1448 my $self = create;
1449
1450 $self->ob->name ($login);
1451 $self->{deny_save} = 1;
1452
1453 $cf::PLAYER{$login} = $self;
1454
1455 $self
1456}
1457
1458=item $player->send_msg ($channel, $msg, $color, [extra...])
1459
1460=cut
1461
1462sub send_msg {
1463 my $ns = shift->ns
1464 or return;
1465 $ns->send_msg (@_);
1466}
1467
1468=item $pl->quit_character
1469
1470Nukes the player without looking back. If logged in, the connection will
1471be destroyed. May block for a long time.
1472
1473=cut
1474
1475sub quit_character {
1476 my ($pl) = @_;
1477
1478 my $name = $pl->ob->name;
1479
1480 $pl->{deny_save} = 1;
1481 $pl->password ("*"); # this should lock out the player until we nuked the dir
1482
1483 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1484 $pl->deactivate;
1485 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1486 $pl->ns->destroy if $pl->ns;
1487
1488 my $path = playerdir $pl;
1489 my $temp = "$path~$cf::RUNTIME~deleting~";
1490 aio_rename $path, $temp;
1491 delete $cf::PLAYER{$pl->ob->name};
1492 $pl->destroy;
1493
1494 my $prefix = qr<^~\Q$name\E/>;
1495
1496 # nuke player maps
1497 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1498
1499 IO::AIO::aio_rmtree $temp;
1500}
1501
1502=item $pl->kick
1503
1504Kicks a player out of the game. This destroys the connection.
1505
1506=cut
1507
1508sub kick {
1509 my ($pl, $kicker) = @_;
1510
1511 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1512 $pl->killer ("kicked");
1513 $pl->ns->destroy;
1514}
1515
1516=item cf::player::list_logins
1517
1518Returns am arrayref of all valid playernames in the system, can take a
1519while and may block, so not sync_job-capable, ever.
1520
1521=cut
1522
1523sub list_logins {
1524 my $dirs = aio_readdir $PLAYERDIR
1525 or return [];
1526
1527 my @logins;
1528
1529 for my $login (@$dirs) {
1530 my $path = path $login;
1531
1532 # a .pst is a dead give-away for a valid player
1533 unless (-e "$path.pst") {
1534 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1535 aio_read $fh, 0, 512, my $buf, 0 or next;
1536 $buf !~ /^password -------------$/m or next; # official not-valid tag
1537 }
1538
1539 utf8::decode $login;
1540 push @logins, $login;
1541 }
1542
1543 \@logins
1544}
1545
1546=item $player->maps
1547
1548Returns an arrayref of map paths that are private for this
1549player. May block.
1550
1551=cut
1552
1553sub maps($) {
1554 my ($pl) = @_;
1555
1556 $pl = ref $pl ? $pl->ob->name : $pl;
1557
1558 my $files = aio_readdir playerdir $pl
1559 or return;
1560
1561 my @paths;
1562
1563 for (@$files) {
1564 utf8::decode $_;
1565 next if /\.(?:pl|pst)$/;
1566 next unless /^$PATH_SEP/o;
1567
1568 push @paths, cf::map::normalise "~$pl/$_";
1569 }
1570
1571 \@paths
1572}
1573
1574=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1575
1576Expand crossfire pod fragments into protocol xml.
1577
1578=cut
1579
1580use re 'eval';
1581
1582my $group;
1583my $interior; $interior = qr{
1584 # match a pod interior sequence sans C<< >>
1585 (?:
1586 \ (.*?)\ (?{ $group = $^N })
1587 | < (??{$interior}) >
1588 )
1589}x;
1590
1591sub expand_cfpod {
1592 my ($self, $pod) = @_;
1593
1594 my $xml;
1595
1596 while () {
1597 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1598 $group = $1;
1599
1600 $group =~ s/&/&amp;/g;
1601 $group =~ s/</&lt;/g;
1602
1603 $xml .= $group;
1604 } elsif ($pod =~ m%\G
1605 ([BCGHITU])
1606 <
1607 (?:
1608 ([^<>]*) (?{ $group = $^N })
1609 | < $interior >
1610 )
1611 >
1612 %gcsx
1613 ) {
1614 my ($code, $data) = ($1, $group);
1615
1616 if ($code eq "B") {
1617 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1618 } elsif ($code eq "I") {
1619 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1620 } elsif ($code eq "U") {
1621 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1622 } elsif ($code eq "C") {
1623 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1624 } elsif ($code eq "T") {
1625 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1626 } elsif ($code eq "G") {
1627 my ($male, $female) = split /\|/, $data;
1628 $data = $self->gender ? $female : $male;
1629 $xml .= expand_cfpod ($self, $data);
1630 } elsif ($code eq "H") {
1631 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1632 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1633 "")
1634 [$self->{hintmode}];
1635 } else {
1636 $xml .= "error processing '$code($data)' directive";
1637 }
1638 } else {
1639 if ($pod =~ /\G(.+)/) {
1640 warn "parse error while expanding $pod (at $1)";
1641 }
1642 last;
1643 }
1644 }
1645
1646 for ($xml) {
1647 # create single paragraphs (very hackish)
1648 s/(?<=\S)\n(?=\w)/ /g;
1649
1650 # compress some whitespace
1651 s/\s+\n/\n/g; # ws line-ends
1652 s/\n\n+/\n/g; # double lines
1653 s/^\n+//; # beginning lines
1654 s/\n+$//; # ending lines
1655 }
1656
1657 $xml
1658}
1659
1660no re 'eval';
1661
1662sub hintmode {
1663 $_[0]{hintmode} = $_[1] if @_ > 1;
1664 $_[0]{hintmode}
1665}
1666
1667=item $player->ext_reply ($msgid, @msg)
1668
1669Sends an ext reply to the player.
1670
1671=cut
1672
1673sub ext_reply($$@) {
1674 my ($self, $id, @msg) = @_;
1675
1676 $self->ns->ext_reply ($id, @msg)
1677}
1678
1679=item $player->ext_msg ($type, @msg)
1680
1681Sends an ext event to the client.
1682
1683=cut
1684
1685sub ext_msg($$@) {
1686 my ($self, $type, @msg) = @_;
1687
1688 $self->ns->ext_msg ($type, @msg);
1689}
1690
1691=head3 cf::region
1692
1693=over 4
1694
1695=cut
1696
1697package cf::region;
1698
1699=item cf::region::find_by_path $path
1700
1701Tries to decuce the likely region for a map knowing only its path.
1702
1703=cut
1704
1705sub find_by_path($) {
978 my ($path) = @_; 1706 my ($path) = @_;
979 1707
980 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1708 my ($match, $specificity);
981 my $base = $1;
982 my $pkg = $1;
983 $pkg =~ s/[^[:word:]]/_/g;
984 $pkg = "ext::$pkg";
985 1709
986 warn "loading '$path' into '$pkg'\n"; 1710 for my $region (list) {
987 1711 if ($region->{match} && $path =~ $region->{match}) {
988 open my $fh, "<:utf8", $path 1712 ($match, $specificity) = ($region, $region->specificity)
989 or die "$path: $!"; 1713 if $region->specificity > $specificity;
990 1714 }
991 my $source =
992 "package $pkg; use strict; use utf8;\n"
993 . "#line 1 \"$path\"\n{\n"
994 . (do { local $/; <$fh> })
995 . "\n};\n1";
996
997 eval $source
998 or die $@ ? "$path: $@\n"
999 : "extension disabled.\n";
1000
1001 push @exts, $pkg;
1002 $ext_pkg{$base} = $pkg;
1003
1004# no strict 'refs';
1005# @{"$pkg\::ISA"} = ext::;
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# } 1715 }
1020 1716
1021 # remove commands 1717 $match
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}
1046
1047sub load_extensions {
1048 for my $ext (<$LIBDIR/*.ext>) {
1049 next unless -r $ext;
1050 eval {
1051 load_extension $ext;
1052 1
1053 } or warn "$ext not loaded: $@";
1054 }
1055}
1056
1057#############################################################################
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
1095=head2 CORE EXTENSIONS
1096
1097Functions and methods that extend core crossfire objects.
1098
1099=head3 cf::player
1100
1101=over 4
1102
1103=item cf::player::exists $login
1104
1105Returns true when the given account exists.
1106
1107=cut
1108
1109sub cf::player::exists($) {
1110 cf::player::find $_[0]
1111 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112}
1113
1114=item $player->ext_reply ($msgid, $msgtype, %msg)
1115
1116Sends an ext reply to the player.
1117
1118=cut
1119
1120sub cf::player::ext_reply($$$%) {
1121 my ($self, $id, %msg) = @_;
1122
1123 $msg{msgid} = $id;
1124
1125 $self->send ("ext " . to_json \%msg);
1126} 1718}
1127 1719
1128=back 1720=back
1129
1130 1721
1131=head3 cf::map 1722=head3 cf::map
1132 1723
1133=over 4 1724=over 4
1134 1725
… …
1137package cf::map; 1728package cf::map;
1138 1729
1139use Fcntl; 1730use Fcntl;
1140use Coro::AIO; 1731use Coro::AIO;
1141 1732
1733use overload
1734 '""' => \&as_string,
1735 fallback => 1;
1736
1142our $MAX_RESET = 7200; 1737our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1738our $DEFAULT_RESET = 3000;
1144 1739
1145sub generate_random_map { 1740sub generate_random_map {
1146 my ($path, $rmp) = @_; 1741 my ($self, $rmp) = @_;
1147
1148 # mit "rum" bekleckern, nicht 1742 # mit "rum" bekleckern, nicht
1149 cf::map::_create_random_map 1743 $self->_create_random_map (
1150 $path,
1151 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1744 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1745 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1746 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154 $rmp->{exit_on_final_map}, 1747 $rmp->{exit_on_final_map},
1155 $rmp->{xsize}, $rmp->{ysize}, 1748 $rmp->{xsize}, $rmp->{ysize},
1156 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1749 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1750 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1751 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1752 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1753 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161 (cf::region::find $rmp->{region}) 1754 (cf::region::find $rmp->{region}), $rmp->{custom}
1755 )
1756}
1757
1758=item cf::map->register ($regex, $prio)
1759
1760Register a handler for the map path matching the given regex at the
1761givne priority (higher is better, built-in handlers have priority 0, the
1762default).
1763
1764=cut
1765
1766sub register {
1767 my (undef, $regex, $prio) = @_;
1768 my $pkg = caller;
1769
1770 no strict;
1771 push @{"$pkg\::ISA"}, __PACKAGE__;
1772
1773 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1774}
1775
1776# also paths starting with '/'
1777$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1778
1779sub thawer_merge {
1780 my ($self, $merge) = @_;
1781
1782 # we have to keep some variables in memory intact
1783 local $self->{path};
1784 local $self->{load_path};
1785
1786 $self->SUPER::thawer_merge ($merge);
1787}
1788
1789sub normalise {
1790 my ($path, $base) = @_;
1791
1792 $path = "$path"; # make sure its a string
1793
1794 $path =~ s/\.map$//;
1795
1796 # map plan:
1797 #
1798 # /! non-realised random map exit (special hack!)
1799 # {... are special paths that are not being touched
1800 # ?xxx/... are special absolute paths
1801 # ?random/... random maps
1802 # /... normal maps
1803 # ~user/... per-player map of a specific user
1804
1805 $path =~ s/$PATH_SEP/\//go;
1806
1807 # treat it as relative path if it starts with
1808 # something that looks reasonable
1809 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1810 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1811
1812 $base =~ s{[^/]+/?$}{};
1813 $path = "$base/$path";
1814 }
1815
1816 for ($path) {
1817 redo if s{//}{/};
1818 redo if s{/\.?/}{/};
1819 redo if s{/[^/]+/\.\./}{/};
1820 }
1821
1822 $path
1823}
1824
1825sub new_from_path {
1826 my (undef, $path, $base) = @_;
1827
1828 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1829
1830 $path = normalise $path, $base;
1831
1832 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1833 if ($path =~ $EXT_MAP{$pkg}[1]) {
1834 my $self = bless cf::map::new, $pkg;
1835 $self->{path} = $path; $self->path ($path);
1836 $self->init; # pass $1 etc.
1837 return $self;
1838 }
1839 }
1840
1841 Carp::cluck "unable to resolve path '$path' (base '$base').";
1842 ()
1843}
1844
1845sub init {
1846 my ($self) = @_;
1847
1848 $self
1849}
1850
1851sub as_string {
1852 my ($self) = @_;
1853
1854 "$self->{path}"
1855}
1856
1857# the displayed name, this is a one way mapping
1858sub visible_name {
1859 &as_string
1860}
1861
1862# the original (read-only) location
1863sub load_path {
1864 my ($self) = @_;
1865
1866 "$MAPDIR/$self->{path}.map"
1867}
1868
1869# the temporary/swap location
1870sub save_path {
1871 my ($self) = @_;
1872
1873 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1874 "$TMPDIR/$path.map"
1875}
1876
1877# the unique path, undef == no special unique path
1878sub uniq_path {
1879 my ($self) = @_;
1880
1881 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1882 "$UNIQUEDIR/$path"
1162} 1883}
1163 1884
1164# and all this just because we cannot iterate over 1885# and all this just because we cannot iterate over
1165# all maps in C++... 1886# all maps in C++...
1166sub change_all_map_light { 1887sub change_all_map_light {
… …
1168 1889
1169 $_->change_map_light ($change) 1890 $_->change_map_light ($change)
1170 for grep $_->outdoor, values %cf::MAP; 1891 for grep $_->outdoor, values %cf::MAP;
1171} 1892}
1172 1893
1894sub decay_objects {
1895 my ($self) = @_;
1896
1897 return if $self->{deny_reset};
1898
1899 $self->do_decay_objects;
1900}
1901
1902sub unlink_save {
1903 my ($self) = @_;
1904
1905 utf8::encode (my $save = $self->save_path);
1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1907 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1908}
1909
1173sub try_load_header($) { 1910sub load_header_from($) {
1174 my ($path) = @_; 1911 my ($self, $path) = @_;
1175 1912
1176 utf8::encode $path; 1913 utf8::encode $path;
1177 aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1178 or return; 1915 or return;
1179 1916
1180 my $map = cf::map::new 1917 $self->_load_header ($f)
1181 or return; 1918 or return;
1182 1919
1183 $map->load_header ($path) 1920 local $MAP_LOADING{$self->{path}} = $self;
1921 $f->resolve_delayed_derefs;
1922
1923 $self->{load_path} = $path;
1924
1925 1
1926}
1927
1928sub load_header_orig {
1929 my ($self) = @_;
1930
1931 $self->load_header_from ($self->load_path)
1932}
1933
1934sub load_header_temp {
1935 my ($self) = @_;
1936
1937 $self->load_header_from ($self->save_path)
1938}
1939
1940sub prepare_temp {
1941 my ($self) = @_;
1942
1943 $self->last_access ((delete $self->{last_access})
1944 || $cf::RUNTIME); #d#
1945 # safety
1946 $self->{instantiate_time} = $cf::RUNTIME
1947 if $self->{instantiate_time} > $cf::RUNTIME;
1948}
1949
1950sub prepare_orig {
1951 my ($self) = @_;
1952
1953 $self->{load_original} = 1;
1954 $self->{instantiate_time} = $cf::RUNTIME;
1955 $self->last_access ($cf::RUNTIME);
1956 $self->instantiate;
1957}
1958
1959sub load_header {
1960 my ($self) = @_;
1961
1962 if ($self->load_header_temp) {
1963 $self->prepare_temp;
1964 } else {
1965 $self->load_header_orig
1184 or return; 1966 or return;
1967 $self->prepare_orig;
1968 }
1185 1969
1186 $map->{load_path} = $path; 1970 $self->{deny_reset} = 1
1971 if $self->no_reset;
1187 1972
1188 $map 1973 $self->default_region (cf::region::find_by_path $self->{path})
1189} 1974 unless $self->default_region;
1190 1975
1976 1
1977}
1978
1191sub find_map; 1979sub find;
1192sub find_map { 1980sub find {
1193 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1194 1982
1195 #warn "find_map<$path,$origin>\n";#d#
1196
1197 $path = new cf::path $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1198 my $key = $path->as_string;
1199 1984
1985 cf::lock_wait "map_data:$path";#d#remove
1200 cf::lock_wait "map_find:$key"; 1986 cf::lock_wait "map_find:$path";
1201 1987
1202 $cf::MAP{$key} || do { 1988 $cf::MAP{$path} || do {
1203 my $guard = cf::lock_acquire "map_find:$key"; 1989 my $guard1 = cf::lock_acquire "map_find:$path";
1990 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1204 1991
1205 # do it the slow way 1992 my $map = new_from_path cf::map $path
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; 1993 or return;
1220 1994
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; 1995 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME);
1233 1996
1234 if ($map->should_reset) { 1997 $map->load_header
1998 or return;
1999
2000 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2001 # doing this can freeze the server in a sync job, obviously
2002 #$cf::WAIT_FOR_TICK->wait;
2003 undef $guard1;
2004 undef $guard2;
1235 $map->reset; 2005 $map->reset;
1236 undef $guard; 2006 return find $path;
1237 $map = find_map $path
1238 or return;
1239 } 2007 }
1240 2008
1241 $cf::MAP{$key} = $map 2009 $cf::MAP{$path} = $map
1242 } 2010 }
1243} 2011}
2012
2013sub pre_load { }
2014sub post_load { }
1244 2015
1245sub load { 2016sub load {
1246 my ($self) = @_; 2017 my ($self) = @_;
1247 2018
2019 local $self->{deny_reset} = 1; # loading can take a long time
2020
1248 my $path = $self->{path}; 2021 my $path = $self->{path};
2022
2023 {
1249 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2024 my $guard = cf::lock_acquire "map_data:$path";
1250 2025
2026 return unless $self->valid;
1251 return if $self->in_memory != cf::MAP_SWAPPED; 2027 return unless $self->in_memory == cf::MAP_SWAPPED;
1252 2028
1253 $self->in_memory (cf::MAP_LOADING); 2029 $self->in_memory (cf::MAP_LOADING);
1254 2030
1255 $self->alloc; 2031 $self->alloc;
1256 $self->load_objects ($self->{load_path}, 1) 2032
2033 $self->pre_load;
2034 cf::cede_to_tick;
2035
2036 my $f = new_from_file cf::object::thawer $self->{load_path};
2037 $f->skip_block;
2038 $self->_load_objects ($f)
1257 or return; 2039 or return;
1258 2040
1259 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2041 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1260 if delete $self->{load_original}; 2042 if delete $self->{load_original};
1261 2043
1262 if (my $uniq = $path->uniq_path) { 2044 if (my $uniq = $self->uniq_path) {
1263 utf8::encode $uniq; 2045 utf8::encode $uniq;
1264 if (aio_open $uniq, O_RDONLY, 0) { 2046 unless (aio_stat $uniq) {
2047 if (my $f = new_from_file cf::object::thawer $uniq) {
1265 $self->clear_unique_items; 2048 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 2049 $self->_load_objects ($f);
2050 $f->resolve_delayed_derefs;
2051 }
1267 } 2052 }
1268 } 2053 }
1269 2054
2055 $f->resolve_delayed_derefs;
2056
2057 cf::cede_to_tick;
1270 # now do the right thing for maps 2058 # now do the right thing for maps
1271 $self->link_multipart_objects; 2059 $self->link_multipart_objects;
1272
1273 if ($self->{path}->is_style_map) {
1274 $self->{deny_save} = 1;
1275 $self->{deny_reset} = 1;
1276 } else {
1277 $self->fix_auto_apply;
1278 $self->decay_objects;
1279 $self->update_buttons;
1280 $self->set_darkness_map;
1281 $self->difficulty ($self->estimate_difficulty) 2060 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 2061 unless $self->difficulty;
2062 cf::cede_to_tick;
2063
2064 unless ($self->{deny_activate}) {
2065 $self->decay_objects;
2066 $self->fix_auto_apply;
2067 $self->update_buttons;
2068 cf::cede_to_tick;
2069 $self->set_darkness_map;
2070 cf::cede_to_tick;
1283 $self->activate; 2071 $self->activate;
1284 } 2072 }
1285 2073
2074 $self->{last_save} = $cf::RUNTIME;
2075 $self->last_access ($cf::RUNTIME);
2076
1286 $self->in_memory (cf::MAP_IN_MEMORY); 2077 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 2078 }
1288 2079
1289sub load_map_sync { 2080 $self->post_load;
2081}
2082
2083sub customise_for {
2084 my ($self, $ob) = @_;
2085
2086 return find "~" . $ob->name . "/" . $self->{path}
2087 if $self->per_player;
2088
2089# return find "?party/" . $ob->name . "/" . $self->{path}
2090# if $self->per_party;
2091
2092 $self
2093}
2094
2095# find and load all maps in the 3x3 area around a map
2096sub load_neighbours {
2097 my ($map) = @_;
2098
2099 my @neigh; # diagonal neighbours
2100
2101 for (0 .. 3) {
2102 my $neigh = $map->tile_path ($_)
2103 or next;
2104 $neigh = find $neigh, $map
2105 or next;
2106 $neigh->load;
2107
2108 push @neigh,
2109 [$neigh->tile_path (($_ + 3) % 4), $neigh],
2110 [$neigh->tile_path (($_ + 1) % 4), $neigh];
2111 }
2112
2113 for (grep defined $_->[0], @neigh) {
2114 my ($path, $origin) = @$_;
2115 my $neigh = find $path, $origin
2116 or next;
2117 $neigh->load;
2118 }
2119}
2120
2121sub find_sync {
1290 my ($path, $origin) = @_; 2122 my ($path, $origin) = @_;
1291 2123
1292 #warn "load_map_sync<$path, $origin>\n";#d# 2124 cf::sync_job { find $path, $origin }
2125}
1293 2126
1294 cf::sync_job { 2127sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 2128 my ($map) = @_;
1296 or return; 2129
1297 $map->load; 2130 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1298 $map 2131 if $Coro::current == $Coro::main;
2132
2133 cf::sync_job { $map->load };
2134}
2135
2136our %MAP_PREFETCH;
2137our $MAP_PREFETCHER = undef;
2138
2139sub find_async {
2140 my ($path, $origin, $load) = @_;
2141
2142 $path = normalise $path, $origin && $origin->{path};
2143
2144 if (my $map = $cf::MAP{$path}) {
2145 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2146 }
2147
2148 $MAP_PREFETCH{$path} |= $load;
2149
2150 $MAP_PREFETCHER ||= cf::async {
2151 $Coro::current->{desc} = "map prefetcher";
2152
2153 while (%MAP_PREFETCH) {
2154 while (my ($k, $v) = each %MAP_PREFETCH) {
2155 if (my $map = find $k) {
2156 $map->load if $v;
2157 }
2158
2159 delete $MAP_PREFETCH{$k};
2160 }
2161 }
2162 undef $MAP_PREFETCHER;
1299 } 2163 };
2164 $MAP_PREFETCHER->prio (6);
2165
2166 ()
1300} 2167}
1301 2168
1302sub save { 2169sub save {
1303 my ($self) = @_; 2170 my ($self) = @_;
1304 2171
2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
2173
1305 $self->{last_save} = $cf::RUNTIME; 2174 $self->{last_save} = $cf::RUNTIME;
1306 2175
1307 return unless $self->dirty; 2176 return unless $self->dirty;
1308 2177
1309 my $save = $self->{path}->save_path; utf8::encode $save; 2178 my $save = $self->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2179 my $uniq = $self->uniq_path; utf8::encode $uniq;
1311 2180
1312 $self->{load_path} = $save; 2181 $self->{load_path} = $save;
1313 2182
1314 return if $self->{deny_save}; 2183 return if $self->{deny_save};
1315 2184
2185 local $self->{last_access} = $self->last_access;#d#
2186
2187 cf::async {
2188 $Coro::current->{desc} = "map player save";
2189 $_->contr->save for $self->players;
2190 };
2191
1316 if ($uniq) { 2192 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2193 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 2194 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 2195 } else {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2196 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321 } 2197 }
1322} 2198}
1323 2199
1324sub swap_out { 2200sub swap_out {
1325 my ($self) = @_; 2201 my ($self) = @_;
2202
2203 # save first because save cedes
2204 $self->save;
2205
2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1326 2207
1327 return if $self->players; 2208 return if $self->players;
1328 return if $self->in_memory != cf::MAP_IN_MEMORY; 2209 return if $self->in_memory != cf::MAP_IN_MEMORY;
1329 return if $self->{deny_save}; 2210 return if $self->{deny_save};
1330 2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
1331 $self->save; 2214 $self->deactivate;
2215 $_->clear_links_to ($self) for values %cf::MAP;
1332 $self->clear; 2216 $self->clear;
1333 $self->in_memory (cf::MAP_SWAPPED);
1334} 2217}
1335 2218
1336sub reset_at { 2219sub reset_at {
1337 my ($self) = @_; 2220 my ($self) = @_;
1338 2221
1339 # TODO: safety, remove and allow resettable per-player maps 2222 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel};
1341 return 1e99 if $self->{deny_reset}; 2223 return 1e99 if $self->{deny_reset};
1342 2224
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2225 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2226 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 2227
… …
1350 my ($self) = @_; 2232 my ($self) = @_;
1351 2233
1352 $self->reset_at <= $cf::RUNTIME 2234 $self->reset_at <= $cf::RUNTIME
1353} 2235}
1354 2236
1355sub unlink_save {
1356 my ($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 $self->save;
1374}
1375
1376sub reset { 2237sub reset {
1377 my ($self) = @_; 2238 my ($self) = @_;
1378 2239
2240 my $lock = cf::lock_acquire "map_data:$self->{path}";
2241
1379 return if $self->players; 2242 return if $self->players;
1380 return if $self->{path}{user_rel};#d#
1381 2243
1382 warn "resetting map ", $self->path;#d# 2244 warn "resetting map ", $self->path;
2245
2246 $self->in_memory (cf::MAP_SWAPPED);
2247
2248 # need to save uniques path
2249 unless ($self->{deny_save}) {
2250 my $uniq = $self->uniq_path; utf8::encode $uniq;
2251
2252 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2253 if $uniq;
2254 }
1383 2255
1384 delete $cf::MAP{$self->path}; 2256 delete $cf::MAP{$self->path};
1385 2257
2258 $self->deactivate;
1386 $_->clear_links_to ($self) for values %cf::MAP; 2259 $_->clear_links_to ($self) for values %cf::MAP;
2260 $self->clear;
1387 2261
1388 $self->unlink_save; 2262 $self->unlink_save;
1389 $self->destroy; 2263 $self->destroy;
1390} 2264}
1391 2265
1392my $nuke_counter = "aaaa"; 2266my $nuke_counter = "aaaa";
1393 2267
1394sub nuke { 2268sub nuke {
1395 my ($self) = @_; 2269 my ($self) = @_;
1396 2270
2271 {
2272 my $lock = cf::lock_acquire "map_data:$self->{path}";
2273
2274 delete $cf::MAP{$self->path};
2275
2276 $self->unlink_save;
2277
2278 bless $self, "cf::map";
2279 delete $self->{deny_reset};
1397 $self->{deny_save} = 1; 2280 $self->{deny_save} = 1;
1398 $self->reset_timeout (1); 2281 $self->reset_timeout (1);
1399 $self->rename ("{nuke}/" . ($nuke_counter++)); 2282 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2283
2284 $cf::MAP{$self->path} = $self;
2285 }
2286
1400 $self->reset; # polite request, might not happen 2287 $self->reset; # polite request, might not happen
1401} 2288}
1402 2289
1403sub customise_for { 2290=item $maps = cf::map::tmp_maps
1404 my ($map, $ob) = @_;
1405 2291
1406 if ($map->per_player) { 2292Returns an arrayref with all map paths of currently instantiated and saved
1407 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 2293maps. May block.
2294
2295=cut
2296
2297sub tmp_maps() {
1408 } 2298 [
1409 2299 map {
1410 $map 2300 utf8::decode $_;
2301 /\.map$/
2302 ? normalise $_
2303 : ()
2304 } @{ aio_readdir $TMPDIR or [] }
2305 ]
1411} 2306}
1412 2307
1413sub emergency_save { 2308=item $maps = cf::map::random_maps
1414 local $cf::FREEZE = 1;
1415 2309
1416 warn "enter emergency map save\n"; 2310Returns an arrayref with all map paths of currently instantiated and saved
2311random maps. May block.
1417 2312
1418 cf::sync_job { 2313=cut
1419 warn "begin emergency map save\n";
1420 $_->save for values %cf::MAP;
1421 };
1422 2314
1423 warn "end emergency map save\n"; 2315sub random_maps() {
2316 [
2317 map {
2318 utf8::decode $_;
2319 /\.map$/
2320 ? normalise "?random/$_"
2321 : ()
2322 } @{ aio_readdir $RANDOMDIR or [] }
2323 ]
2324}
2325
2326=item cf::map::unique_maps
2327
2328Returns an arrayref of paths of all shared maps that have
2329instantiated unique items. May block.
2330
2331=cut
2332
2333sub unique_maps() {
2334 [
2335 map {
2336 utf8::decode $_;
2337 /\.map$/
2338 ? normalise $_
2339 : ()
2340 } @{ aio_readdir $UNIQUEDIR or [] }
2341 ]
1424} 2342}
1425 2343
1426package cf; 2344package cf;
1427 2345
1428=back 2346=back
1429 2347
2348=head3 cf::object
2349
2350=cut
2351
2352package cf::object;
2353
2354=over 4
2355
2356=item $ob->inv_recursive
2357
2358Returns the inventory of the object _and_ their inventories, recursively.
2359
2360=cut
2361
2362sub inv_recursive_;
2363sub inv_recursive_ {
2364 map { $_, inv_recursive_ $_->inv } @_
2365}
2366
2367sub inv_recursive {
2368 inv_recursive_ inv $_[0]
2369}
2370
2371=item $ref = $ob->ref
2372
2373creates and returns a persistent reference to an objetc that can be stored as a string.
2374
2375=item $ob = cf::object::deref ($refstring)
2376
2377returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2378even if the object actually exists. May block.
2379
2380=cut
2381
2382sub deref {
2383 my ($ref) = @_;
2384
2385 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2386 my ($uuid, $name) = ($1, $2);
2387 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2388 or return;
2389 $pl->ob->uuid eq $uuid
2390 or return;
2391
2392 $pl->ob
2393 } else {
2394 warn "$ref: cannot resolve object reference\n";
2395 undef
2396 }
2397}
2398
2399package cf;
2400
2401=back
1430 2402
1431=head3 cf::object::player 2403=head3 cf::object::player
1432 2404
1433=over 4 2405=over 4
1434 2406
… …
1448 2420
1449 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2421 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450 2422
1451 if ($self->{record_replies}) { 2423 if ($self->{record_replies}) {
1452 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2424 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2425
1453 } else { 2426 } else {
2427 my $pl = $self->contr;
2428
2429 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2430 my $dialog = $pl->{npc_dialog};
2431 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2432
2433 } else {
1454 $msg = $npc->name . " says: $msg" if $npc; 2434 $msg = $npc->name . " says: $msg" if $npc;
1455 $self->message ($msg, $flags); 2435 $self->message ($msg, $flags);
2436 }
1456 } 2437 }
2438}
2439
2440=item $object->send_msg ($channel, $msg, $color, [extra...])
2441
2442=cut
2443
2444sub cf::object::send_msg {
2445 my $pl = shift->contr
2446 or return;
2447 $pl->send_msg (@_);
1457} 2448}
1458 2449
1459=item $player_object->may ("access") 2450=item $player_object->may ("access")
1460 2451
1461Returns wether the given player is authorized to access resource "access" 2452Returns wether the given player is authorized to access resource "access"
… …
1474 2465
1475=item $player_object->enter_link 2466=item $player_object->enter_link
1476 2467
1477Freezes the player and moves him/her to a special map (C<{link}>). 2468Freezes the player and moves him/her to a special map (C<{link}>).
1478 2469
1479The player should be reaosnably safe there for short amounts of time. You 2470The player should be reasonably safe there for short amounts of time. You
1480I<MUST> call C<leave_link> as soon as possible, though. 2471I<MUST> call C<leave_link> as soon as possible, though.
1481 2472
2473Will never block.
2474
1482=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
1483 2476
1484Moves the player out of the specila link map onto the given map. If the 2477Moves the player out of the special C<{link}> map onto the specified
1485map is not valid (or omitted), the player will be moved back to the 2478map. If the map is not valid (or omitted), the player will be moved back
1486location he/she was before the call to C<enter_link>, or, if that fails, 2479to the location he/she was before the call to C<enter_link>, or, if that
1487to the emergency map position. 2480fails, to the emergency map position.
1488 2481
1489Might block. 2482Might block.
1490 2483
1491=cut 2484=cut
2485
2486sub link_map {
2487 unless ($LINK_MAP) {
2488 $LINK_MAP = cf::map::find "{link}"
2489 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2490 $LINK_MAP->load;
2491 }
2492
2493 $LINK_MAP
2494}
1492 2495
1493sub cf::object::player::enter_link { 2496sub cf::object::player::enter_link {
1494 my ($self) = @_; 2497 my ($self) = @_;
1495 2498
1496 $self->deactivate_recursive; 2499 $self->deactivate_recursive;
1497 2500
1498 return if $self->map == $LINK_MAP; 2501 return if UNIVERSAL::isa $self->map, "ext::map_link";
1499 2502
1500 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2503 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501 if $self->map; 2504 if $self->map && $self->map->{path} ne "{link}";
1502 2505
1503 $self->enter_map ($LINK_MAP, 20, 20); 2506 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1504} 2507}
1505 2508
1506sub cf::object::player::leave_link { 2509sub cf::object::player::leave_link {
1507 my ($self, $map, $x, $y) = @_; 2510 my ($self, $map, $x, $y) = @_;
2511
2512 return unless $self->contr->active;
1508 2513
1509 my $link_pos = delete $self->{_link_pos}; 2514 my $link_pos = delete $self->{_link_pos};
1510 2515
1511 unless ($map) { 2516 unless ($map) {
1512 # restore original map position 2517 # restore original map position
1513 ($map, $x, $y) = @{ $link_pos || [] }; 2518 ($map, $x, $y) = @{ $link_pos || [] };
1514 $map = cf::map::find_map $map; 2519 $map = cf::map::find $map;
1515 2520
1516 unless ($map) { 2521 unless ($map) {
1517 ($map, $x, $y) = @$EMERGENCY_POSITION; 2522 ($map, $x, $y) = @$EMERGENCY_POSITION;
1518 $map = cf::map::find_map $map 2523 $map = cf::map::find $map
1519 or die "FATAL: cannot load emergency map\n"; 2524 or die "FATAL: cannot load emergency map\n";
1520 } 2525 }
1521 } 2526 }
1522 2527
1523 ($x, $y) = (-1, -1) 2528 ($x, $y) = (-1, -1)
… …
1526 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
1527 ($x, $y) = ($map->enter_x, $map->enter_y) 2532 ($x, $y) = ($map->enter_x, $map->enter_y)
1528 if $x <=0 && $y <= 0; 2533 if $x <=0 && $y <= 0;
1529 2534
1530 $map->load; 2535 $map->load;
2536 $map->load_neighbours;
1531 2537
2538 return unless $self->contr->active;
1532 $self->activate_recursive; 2539 $self->activate_recursive;
2540
2541 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533 $self->enter_map ($map, $x, $y); 2542 $self->enter_map ($map, $x, $y);
1534} 2543}
1535 2544
1536cf::player->attach ( 2545=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537 on_logout => sub {
1538 my ($pl) = @_;
1539 2546
1540 # abort map switching before logout 2547Moves the player to the given map-path and coordinates by first freezing
1541 if ($pl->ob->{_link_pos}) { 2548her, loading and preparing them map, calling the provided $check callback
1542 cf::sync_job { 2549that has to return the map if sucecssful, and then unfreezes the player on
1543 $pl->ob->leave_link 2550the new (success) or old (failed) map position. In either case, $done will
1544 }; 2551be called at the end of this process.
1545 }
1546 },
1547 on_login => sub {
1548 my ($pl) = @_;
1549 2552
1550 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link;
1554 cf::async {
1555 # 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
1557 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link;
1559 };
1560 }
1561 },
1562);
1563
1564=item $player_object->goto_map ($path, $x, $y)
1565
1566=cut 2553=cut
1567 2554
2555our $GOTOGEN;
2556
1568sub cf::object::player::goto_map { 2557sub cf::object::player::goto {
1569 my ($self, $path, $x, $y) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
2559
2560 # do generation counting so two concurrent goto's will be executed in-order
2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570 2562
1571 $self->enter_link; 2563 $self->enter_link;
1572 2564
1573 (cf::async { 2565 (async {
1574 $path = new cf::path $path; 2566 $Coro::current->{desc} = "player::goto $path $x $y";
1575 2567
1576 my $map = cf::map::find_map $path->as_string; 2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
2587 my $map = eval {
2588 my $map = defined $path ? cf::map::find $path : undef;
2589
2590 if ($map) {
1577 $map = $map->customise_for ($self) if $map; 2591 $map = $map->customise_for ($self);
1578 2592 $map = $check->($map) if $check && $map;
1579# warn "entering ", $map->path, " at ($x, $y)\n" 2593 } else {
1580# if $map;
1581
1582 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595 }
1583 2596
2597 $map
2598 };
2599
2600 if ($@) {
2601 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2602 LOG llevError | logBacktrace, Carp::longmess $@;
2603 }
2604
2605 if ($gen == $self->{_goto_generation}) {
2606 delete $self->{_goto_generation};
1584 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
2608 }
2609
2610 $done->() if $done;
1585 })->prio (1); 2611 })->prio (1);
1586} 2612}
1587 2613
1588=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
1589 2615
… …
1591 2617
1592sub parse_random_map_params { 2618sub parse_random_map_params {
1593 my ($spec) = @_; 2619 my ($spec) = @_;
1594 2620
1595 my $rmp = { # defaults 2621 my $rmp = { # defaults
1596 xsize => 10, 2622 xsize => (cf::rndm 15, 40),
1597 ysize => 10, 2623 ysize => (cf::rndm 15, 40),
2624 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2625 #layout => string,
1598 }; 2626 };
1599 2627
1600 for (split /\n/, $spec) { 2628 for (split /\n/, $spec) {
1601 my ($k, $v) = split /\s+/, $_, 2; 2629 my ($k, $v) = split /\s+/, $_, 2;
1602 2630
… …
1606 $rmp 2634 $rmp
1607} 2635}
1608 2636
1609sub prepare_random_map { 2637sub prepare_random_map {
1610 my ($exit) = @_; 2638 my ($exit) = @_;
2639
2640 my $guard = cf::lock_acquire "exit_prepare:$exit";
1611 2641
1612 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
1613 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
1614 # that depends on the exit object 2644 # that depends on the exit object
1615 2645
1616 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
1617 2647
1618 if ($exit->map) { 2648 if ($exit->map) {
1619 $rmp->{region} = $exit->map->region_name; 2649 $rmp->{region} = $exit->region->name;
1620 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
1621 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
1622 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
1623 } 2653 }
1624 2654
1625 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
1626 2656
1627 my $data = cf::to_json $rmp; 2657 my $data = cf::encode_json $rmp;
1628 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2659 my $meta = "$RANDOMDIR/$md5.meta";
1629 2660
1630 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2663 undef $fh;
2664 aio_rename "$meta~", $meta;
1632 2665
1633 $exit->slaying ("?random/$md5"); 2666 $exit->slaying ("?random/$md5");
1634 $exit->msg (undef); 2667 $exit->msg (undef);
1635 } 2668 }
1636} 2669}
… …
1638sub cf::object::player::enter_exit { 2671sub cf::object::player::enter_exit {
1639 my ($self, $exit) = @_; 2672 my ($self, $exit) = @_;
1640 2673
1641 return unless $self->type == cf::PLAYER; 2674 return unless $self->type == cf::PLAYER;
1642 2675
2676 if ($exit->slaying eq "/!") {
2677 #TODO: this should de-fi-ni-te-ly not be a sync-job
2678 # the problem is that $exit might not survive long enough
2679 # so it needs to be done right now, right here
2680 cf::sync_job { prepare_random_map $exit };
2681 }
2682
2683 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2684 my $hp = $exit->stats->hp;
2685 my $sp = $exit->stats->sp;
2686
1643 $self->enter_link; 2687 $self->enter_link;
1644 2688
2689 # if exit is damned, update players death & WoR home-position
2690 $self->contr->savebed ($slaying, $hp, $sp)
2691 if $exit->flag (FLAG_DAMNED);
2692
1645 (cf::async { 2693 (async {
2694 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2695
2696 $self->deactivate_recursive; # just to be sure
1646 unless (eval { 2697 unless (eval {
1647 prepare_random_map $exit 2698 $self->goto ($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 2699
1653 1; 2700 1;
1654 }) { 2701 }) {
1655 $self->message ("Something went wrong deep within the crossfire server. " 2702 $self->message ("Something went wrong deep within the crossfire server. "
1656 . "I'll try to bring you back to the map you were before. " 2703 . "I'll try to bring you back to the map you were before. "
1657 . "Please report this to the dungeon master", 2704 . "Please report this to the dungeon master!",
1658 cf::NDI_UNIQUE | cf::NDI_RED); 2705 cf::NDI_UNIQUE | cf::NDI_RED);
1659 2706
1660 warn "ERROR in enter_exit: $@"; 2707 warn "ERROR in enter_exit: $@";
1661 $self->leave_link; 2708 $self->leave_link;
1662 } 2709 }
1663 })->prio (1); 2710 })->prio (1);
… …
1676 2723
1677sub cf::client::send_drawinfo { 2724sub cf::client::send_drawinfo {
1678 my ($self, $text, $flags) = @_; 2725 my ($self, $text, $flags) = @_;
1679 2726
1680 utf8::encode $text; 2727 utf8::encode $text;
1681 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2728 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682} 2729}
1683 2730
2731=item $client->send_msg ($channel, $msg, $color, [extra...])
2732
2733Send a drawinfo or msg packet to the client, formatting the msg for the
2734client if neccessary. C<$type> should be a string identifying the type of
2735the message, with C<log> being the default. If C<$color> is negative, suppress
2736the message unless the client supports the msg packet.
2737
2738=cut
2739
2740# non-persistent channels (usually the info channel)
2741our %CHANNEL = (
2742 "c/identify" => {
2743 id => "infobox",
2744 title => "Identify",
2745 reply => undef,
2746 tooltip => "Items recently identified",
2747 },
2748 "c/examine" => {
2749 id => "infobox",
2750 title => "Examine",
2751 reply => undef,
2752 tooltip => "Signs and other items you examined",
2753 },
2754 "c/book" => {
2755 id => "infobox",
2756 title => "Book",
2757 reply => undef,
2758 tooltip => "The contents of a note or book",
2759 },
2760 "c/lookat" => {
2761 id => "infobox",
2762 title => "Look",
2763 reply => undef,
2764 tooltip => "What you saw there",
2765 },
2766 "c/who" => {
2767 id => "infobox",
2768 title => "Players",
2769 reply => undef,
2770 tooltip => "Shows players who are currently online",
2771 },
2772 "c/body" => {
2773 id => "infobox",
2774 title => "Body Parts",
2775 reply => undef,
2776 tooltip => "Shows which body parts you posess and are available",
2777 },
2778 "c/uptime" => {
2779 id => "infobox",
2780 title => "Uptime",
2781 reply => undef,
2782 tooltip => "How long the server has been running since last restart",
2783 },
2784 "c/mapinfo" => {
2785 id => "infobox",
2786 title => "Map Info",
2787 reply => undef,
2788 tooltip => "Information related to the maps",
2789 },
2790);
2791
2792sub cf::client::send_msg {
2793 my ($self, $channel, $msg, $color, @extra) = @_;
2794
2795 $msg = $self->pl->expand_cfpod ($msg);
2796
2797 $color &= cf::NDI_CLIENT_MASK; # just in case...
2798
2799 # check predefined channels, for the benefit of C
2800 if ($CHANNEL{$channel}) {
2801 $channel = $CHANNEL{$channel};
2802
2803 $self->ext_msg (channel_info => $channel)
2804 if $self->can_msg;
2805
2806 $channel = $channel->{id};
2807
2808 } elsif (ref $channel) {
2809 # send meta info to client, if not yet sent
2810 unless (exists $self->{channel}{$channel->{id}}) {
2811 $self->{channel}{$channel->{id}} = $channel;
2812 $self->ext_msg (channel_info => $channel)
2813 if $self->can_msg;
2814 }
2815
2816 $channel = $channel->{id};
2817 }
2818
2819 return unless @extra || length $msg;
2820
2821 if ($self->can_msg) {
2822 # default colour, mask it out
2823 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2824 if $color & cf::NDI_DEF;
2825
2826 $self->send_packet ("msg " . $self->{json_coder}->encode (
2827 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2828 } else {
2829 if ($color >= 0) {
2830 # replace some tags by gcfclient-compatible ones
2831 for ($msg) {
2832 1 while
2833 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2834 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2835 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2836 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2837 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2838 }
2839
2840 $color &= cf::NDI_COLOR_MASK;
2841
2842 utf8::encode $msg;
2843
2844 if (0 && $msg =~ /\[/) {
2845 # COMMAND/INFO
2846 $self->send_packet ("drawextinfo $color 10 8 $msg")
2847 } else {
2848 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2849 $self->send_packet ("drawinfo $color $msg")
2850 }
2851 }
2852 }
2853}
2854
2855=item $client->ext_msg ($type, @msg)
2856
2857Sends an ext event to the client.
2858
2859=cut
2860
2861sub cf::client::ext_msg($$@) {
2862 my ($self, $type, @msg) = @_;
2863
2864 if ($self->extcmd == 2) {
2865 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2866 } elsif ($self->extcmd == 1) { # TODO: remove
2867 push @msg, msgtype => "event_$type";
2868 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2869 }
2870}
2871
2872=item $client->ext_reply ($msgid, @msg)
2873
2874Sends an ext reply to the client.
2875
2876=cut
2877
2878sub cf::client::ext_reply($$@) {
2879 my ($self, $id, @msg) = @_;
2880
2881 if ($self->extcmd == 2) {
2882 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2883 } elsif ($self->extcmd == 1) {
2884 #TODO: version 1, remove
2885 unshift @msg, msgtype => "reply", msgid => $id;
2886 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2887 }
2888}
1684 2889
1685=item $success = $client->query ($flags, "text", \&cb) 2890=item $success = $client->query ($flags, "text", \&cb)
1686 2891
1687Queues a query to the client, calling the given callback with 2892Queues a query to the client, calling the given callback with
1688the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2893the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1689C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2894C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1690 2895
1691Queries can fail, so check the return code. Or don't, as queries will become 2896Queries can fail, so check the return code. Or don't, as queries will
1692reliable at some point in the future. 2897become reliable at some point in the future.
1693 2898
1694=cut 2899=cut
1695 2900
1696sub cf::client::query { 2901sub cf::client::query {
1697 my ($self, $flags, $text, $cb) = @_; 2902 my ($self, $flags, $text, $cb) = @_;
… …
1705 utf8::encode $text; 2910 utf8::encode $text;
1706 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2911 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707 2912
1708 $self->send_packet ($self->{query_queue}[0][0]) 2913 $self->send_packet ($self->{query_queue}[0][0])
1709 if @{ $self->{query_queue} } == 1; 2914 if @{ $self->{query_queue} } == 1;
2915
2916 1
1710} 2917}
1711 2918
1712cf::client->attach ( 2919cf::client->attach (
2920 on_connect => sub {
2921 my ($ns) = @_;
2922
2923 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2924 },
1713 on_reply => sub { 2925 on_reply => sub {
1714 my ($ns, $msg) = @_; 2926 my ($ns, $msg) = @_;
1715 2927
1716 # this weird shuffling is so that direct followup queries 2928 # this weird shuffling is so that direct followup queries
1717 # get handled first 2929 # get handled first
1718 my $queue = delete $ns->{query_queue}; 2930 my $queue = delete $ns->{query_queue}
2931 or return; # be conservative, not sure how that can happen, but we saw a crash here
1719 2932
1720 (shift @$queue)->[1]->($msg); 2933 (shift @$queue)->[1]->($msg);
2934 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721 2935
1722 push @{ $ns->{query_queue} }, @$queue; 2936 push @{ $ns->{query_queue} }, @$queue;
1723 2937
1724 if (@{ $ns->{query_queue} } == @$queue) { 2938 if (@{ $ns->{query_queue} } == @$queue) {
1725 if (@$queue) { 2939 if (@$queue) {
… …
1727 } else { 2941 } else {
1728 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2942 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1729 } 2943 }
1730 } 2944 }
1731 }, 2945 },
2946 on_exticmd => sub {
2947 my ($ns, $buf) = @_;
2948
2949 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2950
2951 if (ref $msg) {
2952 my ($type, $reply, @payload) =
2953 "ARRAY" eq ref $msg
2954 ? @$msg
2955 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2956
2957 my @reply;
2958
2959 if (my $cb = $EXTICMD{$type}) {
2960 @reply = $cb->($ns, @payload);
2961 }
2962
2963 $ns->ext_reply ($reply, @reply)
2964 if $reply;
2965
2966 } else {
2967 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2968 }
2969
2970 cf::override;
2971 },
1732); 2972);
1733 2973
1734=item $client->coro (\&cb) 2974=item $client->async (\&cb)
1735 2975
1736Create a new coroutine, running the specified callback. The coroutine will 2976Create a new coroutine, running the specified callback. The coroutine will
1737be automatically cancelled when the client gets destroyed (e.g. on logout, 2977be automatically cancelled when the client gets destroyed (e.g. on logout,
1738or loss of connection). 2978or loss of connection).
1739 2979
1740=cut 2980=cut
1741 2981
1742sub cf::client::coro { 2982sub cf::client::async {
1743 my ($self, $cb) = @_; 2983 my ($self, $cb) = @_;
1744 2984
1745 my $coro = &cf::async ($cb); 2985 my $coro = &Coro::async ($cb);
1746 2986
1747 $coro->on_destroy (sub { 2987 $coro->on_destroy (sub {
1748 delete $self->{_coro}{$coro+0}; 2988 delete $self->{_coro}{$coro+0};
1749 }); 2989 });
1750 2990
… …
1777our $safe = new Safe "safe"; 3017our $safe = new Safe "safe";
1778our $safe_hole = new Safe::Hole; 3018our $safe_hole = new Safe::Hole;
1779 3019
1780$SIG{FPE} = 'IGNORE'; 3020$SIG{FPE} = 'IGNORE';
1781 3021
1782$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3022$safe->permit_only (Opcode::opset qw(
3023 :base_core :base_mem :base_orig :base_math
3024 grepstart grepwhile mapstart mapwhile
3025 sort time
3026));
1783 3027
1784# here we export the classes and methods available to script code 3028# here we export the classes and methods available to script code
1785 3029
1786=pod 3030=pod
1787 3031
1788The following fucntions and emthods are available within a safe environment: 3032The following functions and methods are available within a safe environment:
1789 3033
1790 cf::object contr pay_amount pay_player map 3034 cf::object
3035 contr pay_amount pay_player map x y force_find force_add destroy
3036 insert remove name archname title slaying race decrease_ob_nr
3037
1791 cf::object::player player 3038 cf::object::player
1792 cf::player peaceful 3039 player
1793 cf::map trigger 3040
3041 cf::player
3042 peaceful
3043
3044 cf::map
3045 trigger
1794 3046
1795=cut 3047=cut
1796 3048
1797for ( 3049for (
1798 ["cf::object" => qw(contr pay_amount pay_player map)], 3050 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3051 insert remove inv name archname title slaying race
3052 decrease_ob_nr destroy)],
1799 ["cf::object::player" => qw(player)], 3053 ["cf::object::player" => qw(player)],
1800 ["cf::player" => qw(peaceful)], 3054 ["cf::player" => qw(peaceful)],
1801 ["cf::map" => qw(trigger)], 3055 ["cf::map" => qw(trigger)],
1802) { 3056) {
1803 no strict 'refs'; 3057 no strict 'refs';
… …
1874=back 3128=back
1875 3129
1876=cut 3130=cut
1877 3131
1878############################################################################# 3132#############################################################################
3133# the server's init and main functions
1879 3134
1880=head2 EXTENSION DATABASE SUPPORT 3135sub load_facedata($) {
3136 my ($path) = @_;
1881 3137
1882Crossfire maintains a very simple database for extension use. It can 3138 # HACK to clear player env face cache, we need some signal framework
1883currently store anything that can be serialised using Storable, which 3139 # for this (global event?)
1884excludes objects. 3140 %ext::player_env::MUSIC_FACE_CACHE = ();
1885 3141
1886The parameter C<$family> should best start with the name of the extension 3142 my $enc = JSON::XS->new->utf8->canonical->relaxed;
1887using it, it should be unique.
1888 3143
1889=over 4 3144 warn "loading facedata from $path\n";
1890 3145
1891=item $hashref = cf::db_get $family 3146 my $facedata;
3147 0 < aio_load $path, $facedata
3148 or die "$path: $!";
1892 3149
1893Return a hashref for use by the extension C<$family>, which can be 3150 $facedata = Coro::Storable::thaw $facedata;
1894modified. After modifications, you have to call C<cf::db_dirty> or
1895C<cf::db_sync>.
1896 3151
1897=item $value = cf::db_get $family => $key 3152 $facedata->{version} == 2
3153 or cf::cleanup "$path: version mismatch, cannot proceed.";
1898 3154
1899Returns a single value from the database 3155 # patch in the exptable
1900 3156 $facedata->{resource}{"res/exp_table"} = {
1901=item cf::db_put $family => $hashref 3157 type => FT_RSRC,
1902 3158 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1903Stores the given family hashref into the database. Updates are delayed, if
1904you want the data to be synced to disk immediately, use C<cf::db_sync>.
1905
1906=item cf::db_put $family => $key => $value
1907
1908Stores the given C<$value> in the family hash. Updates are delayed, if you
1909want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911=item cf::db_dirty
1912
1913Marks the database as dirty, to be updated at a later time.
1914
1915=item cf::db_sync
1916
1917Immediately write the database to disk I<if it is dirty>.
1918
1919=cut
1920
1921our $DB;
1922
1923{
1924 my $path = cf::localdir . "/database.pst";
1925
1926 sub db_load() {
1927 $DB = stat $path ? Storable::retrieve $path : { };
1928 }
1929
1930 my $pid;
1931
1932 sub db_save() {
1933 waitpid $pid, 0 if $pid;
1934 if (0 == ($pid = fork)) {
1935 $DB->{_meta}{version} = 1;
1936 Storable::nstore $DB, "$path~";
1937 rename "$path~", $path;
1938 cf::_exit 0 if defined $pid;
1939 }
1940 }
1941
1942 my $dirty;
1943
1944 sub db_sync() {
1945 db_save if $dirty;
1946 undef $dirty;
1947 }
1948
1949 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950 db_sync;
1951 }); 3159 };
3160 cf::cede_to_tick;
1952 3161
1953 sub db_dirty() {
1954 $dirty = 1;
1955 $idle->start;
1956 } 3162 {
3163 my $faces = $facedata->{faceinfo};
1957 3164
1958 sub db_get($;$) { 3165 while (my ($face, $info) = each %$faces) {
1959 @_ >= 2 3166 my $idx = (cf::face::find $face) || cf::face::alloc $face;
1960 ? $DB->{$_[0]}{$_[1]}
1961 : ($DB->{$_[0]} ||= { })
1962 }
1963 3167
1964 sub db_put($$;$) { 3168 cf::face::set_visibility $idx, $info->{visibility};
1965 if (@_ >= 3) { 3169 cf::face::set_magicmap $idx, $info->{magicmap};
1966 $DB->{$_[0]}{$_[1]} = $_[2]; 3170 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
1967 } else { 3171 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1968 $DB->{$_[0]} = $_[1];
1969 }
1970 db_dirty;
1971 }
1972 3172
1973 cf::global->attach ( 3173 cf::cede_to_tick;
1974 prio => 10000,
1975 on_cleanup => sub {
1976 db_sync;
1977 }, 3174 }
1978 );
1979}
1980 3175
1981############################################################################# 3176 while (my ($face, $info) = each %$faces) {
1982# the server's main() 3177 next unless $info->{smooth};
1983 3178
1984sub cfg_load { 3179 my $idx = cf::face::find $face
3180 or next;
3181
3182 if (my $smooth = cf::face::find $info->{smooth}) {
3183 cf::face::set_smooth $idx, $smooth;
3184 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3185 } else {
3186 warn "smooth face '$info->{smooth}' not found for face '$face'";
3187 }
3188
3189 cf::cede_to_tick;
3190 }
3191 }
3192
3193 {
3194 my $anims = $facedata->{animinfo};
3195
3196 while (my ($anim, $info) = each %$anims) {
3197 cf::anim::set $anim, $info->{frames}, $info->{facings};
3198 cf::cede_to_tick;
3199 }
3200
3201 cf::anim::invalidate_all; # d'oh
3202 }
3203
3204 {
3205 # TODO: for gcfclient pleasure, we should give resources
3206 # that gcfclient doesn't grok a >10000 face index.
3207 my $res = $facedata->{resource};
3208
3209 while (my ($name, $info) = each %$res) {
3210 if (defined $info->{type}) {
3211 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3212 my $data;
3213
3214 if ($info->{type} & 1) {
3215 # prepend meta info
3216
3217 my $meta = $enc->encode ({
3218 name => $name,
3219 %{ $info->{meta} || {} },
3220 });
3221
3222 $data = pack "(w/a*)*", $meta, $info->{data};
3223 } else {
3224 $data = $info->{data};
3225 }
3226
3227 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3228 cf::face::set_type $idx, $info->{type};
3229 } else {
3230 $RESOURCE{$name} = $info;
3231 }
3232
3233 cf::cede_to_tick;
3234 }
3235 }
3236
3237 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3238
3239 1
3240}
3241
3242cf::global->attach (on_resource_update => sub {
3243 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3244 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3245
3246 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3247 my $sound = $soundconf->{compat}[$_]
3248 or next;
3249
3250 my $face = cf::face::find "sound/$sound->[1]";
3251 cf::sound::set $sound->[0] => $face;
3252 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3253 }
3254
3255 while (my ($k, $v) = each %{$soundconf->{event}}) {
3256 my $face = cf::face::find "sound/$v";
3257 cf::sound::set $k => $face;
3258 }
3259 }
3260});
3261
3262register_exticmd fx_want => sub {
3263 my ($ns, $want) = @_;
3264
3265 while (my ($k, $v) = each %$want) {
3266 $ns->fx_want ($k, $v);
3267 }
3268};
3269
3270sub reload_regions {
3271 # HACK to clear player env face cache, we need some signal framework
3272 # for this (global event?)
3273 %ext::player_env::MUSIC_FACE_CACHE = ();
3274
3275 load_resource_file "$MAPDIR/regions"
3276 or die "unable to load regions file\n";
3277
3278 for (cf::region::list) {
3279 $_->{match} = qr/$_->{match}/
3280 if exists $_->{match};
3281 }
3282}
3283
3284sub reload_facedata {
3285 load_facedata "$DATADIR/facedata"
3286 or die "unable to load facedata\n";
3287}
3288
3289sub reload_archetypes {
3290 load_resource_file "$DATADIR/archetypes"
3291 or die "unable to load archetypes\n";
3292 #d# NEED to laod twice to resolve forward references
3293 # this really needs to be done in an extra post-pass
3294 # (which needs to be synchronous, so solve it differently)
3295 load_resource_file "$DATADIR/archetypes"
3296 or die "unable to load archetypes\n";
3297}
3298
3299sub reload_treasures {
3300 load_resource_file "$DATADIR/treasures"
3301 or die "unable to load treasurelists\n";
3302}
3303
3304sub reload_resources {
3305 warn "reloading resource files...\n";
3306
3307 reload_regions;
3308 reload_facedata;
3309 #reload_archetypes;#d#
3310 reload_archetypes;
3311 reload_treasures;
3312
3313 warn "finished reloading resource files\n";
3314}
3315
3316sub init {
3317 reload_resources;
3318}
3319
3320sub reload_config {
1985 open my $fh, "<:utf8", cf::confdir . "/config" 3321 open my $fh, "<:utf8", "$CONFDIR/config"
1986 or return; 3322 or return;
1987 3323
1988 local $/; 3324 local $/;
1989 *CFG = YAML::Syck::Load <$fh>; 3325 *CFG = YAML::Load <$fh>;
3326
3327 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3328
3329 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3330 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3331
3332 if (exists $CFG{mlockall}) {
3333 eval {
3334 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
3335 and die "WARNING: m(un)lockall failed: $!\n";
3336 };
3337 warn $@ if $@;
3338 }
1990} 3339}
1991 3340
1992sub main { 3341sub main {
1993 # we must not ever block the main coroutine 3342 # we must not ever block the main coroutine
1994 local $Coro::idle = sub { 3343 local $Coro::idle = sub {
1995 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3344 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1996 (Coro::unblock_sub { 3345 (async {
1997 Event::one_event; 3346 $Coro::current->{desc} = "IDLE BUG HANDLER";
1998 })->(); 3347 EV::loop EV::LOOP_ONESHOT;
3348 })->prio (Coro::PRIO_MAX);
1999 }; 3349 };
2000 3350
2001 cfg_load; 3351 reload_config;
2002 db_load; 3352 db_init;
2003 load_extensions; 3353 load_extensions;
3354
3355 $TICK_WATCHER->start;
3356 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2004 Event::loop; 3357 EV::loop;
2005} 3358}
2006 3359
2007############################################################################# 3360#############################################################################
2008# initialisation 3361# initialisation and cleanup
2009 3362
3363# install some emergency cleanup handlers
3364BEGIN {
3365 our %SIGWATCHER = ();
3366 for my $signal (qw(INT HUP TERM)) {
3367 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3368 cf::cleanup "SIG$signal";
3369 };
3370 }
3371}
3372
3373sub write_runtime {
3374 my $runtime = "$LOCALDIR/runtime";
3375
3376 # first touch the runtime file to show we are still running:
3377 # the fsync below can take a very very long time.
3378
3379 IO::AIO::aio_utime $runtime, undef, undef;
3380
3381 my $guard = cf::lock_acquire "write_runtime";
3382
3383 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3384 or return;
3385
3386 my $value = $cf::RUNTIME + 90 + 10;
3387 # 10 is the runtime save interval, for a monotonic clock
3388 # 60 allows for the watchdog to kill the server.
3389
3390 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3391 and return;
3392
3393 # always fsync - this file is important
3394 aio_fsync $fh
3395 and return;
3396
3397 # touch it again to show we are up-to-date
3398 aio_utime $fh, undef, undef;
3399
3400 close $fh
3401 or return;
3402
3403 aio_rename "$runtime~", $runtime
3404 and return;
3405
3406 warn "runtime file written.\n";
3407
3408 1
3409}
3410
3411sub emergency_save() {
3412 my $freeze_guard = cf::freeze_mainloop;
3413
3414 warn "enter emergency perl save\n";
3415
3416 cf::sync_job {
3417 # use a peculiar iteration method to avoid tripping on perl
3418 # refcount bugs in for. also avoids problems with players
3419 # and maps saved/destroyed asynchronously.
3420 warn "begin emergency player save\n";
3421 for my $login (keys %cf::PLAYER) {
3422 my $pl = $cf::PLAYER{$login} or next;
3423 $pl->valid or next;
3424 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3425 $pl->save;
3426 }
3427 warn "end emergency player save\n";
3428
3429 warn "begin emergency map save\n";
3430 for my $path (keys %cf::MAP) {
3431 my $map = $cf::MAP{$path} or next;
3432 $map->valid or next;
3433 $map->save;
3434 }
3435 warn "end emergency map save\n";
3436
3437 warn "begin emergency database checkpoint\n";
3438 BDB::db_env_txn_checkpoint $DB_ENV;
3439 warn "end emergency database checkpoint\n";
3440 };
3441
3442 warn "leave emergency perl save\n";
3443}
3444
3445sub post_cleanup {
3446 my ($make_core) = @_;
3447
3448 warn Carp::longmess "post_cleanup backtrace"
3449 if $make_core;
3450}
3451
2010sub reload() { 3452sub do_reload_perl() {
2011 # can/must only be called in main 3453 # can/must only be called in main
2012 if ($Coro::current != $Coro::main) { 3454 if ($Coro::current != $Coro::main) {
2013 warn "can only reload from main coroutine\n"; 3455 warn "can only reload from main coroutine";
2014 return; 3456 return;
2015 } 3457 }
2016 3458
2017 warn "reloading..."; 3459 warn "reloading...";
2018 3460
2019 local $FREEZE = 1; 3461 warn "entering sync_job";
3462
3463 cf::sync_job {
3464 cf::write_runtime; # external watchdog should not bark
2020 cf::emergency_save; 3465 cf::emergency_save;
3466 cf::write_runtime; # external watchdog should not bark
2021 3467
2022 eval { 3468 warn "syncing database to disk";
3469 BDB::db_env_txn_checkpoint $DB_ENV;
3470
2023 # if anything goes wrong in here, we should simply crash as we already saved 3471 # if anything goes wrong in here, we should simply crash as we already saved
2024 3472
2025 # cancel all watchers 3473 warn "flushing outstanding aio requests";
2026 for (Event::all_watchers) { 3474 for (;;) {
2027 $_->cancel if $_->data & WF_AUTOCANCEL; 3475 BDB::flush;
3476 IO::AIO::flush;
3477 Coro::cede_notself;
3478 last unless IO::AIO::nreqs || BDB::nreqs;
3479 warn "iterate...";
2028 } 3480 }
2029 3481
3482 ++$RELOAD;
3483
2030 # cancel all extension coros 3484 warn "cancelling all extension coros";
2031 $_->cancel for values %EXT_CORO; 3485 $_->cancel for values %EXT_CORO;
2032 %EXT_CORO = (); 3486 %EXT_CORO = ();
2033 3487
2034 # unload all extensions 3488 warn "removing commands";
2035 for (@exts) { 3489 %COMMAND = ();
3490
3491 warn "removing ext/exti commands";
3492 %EXTCMD = ();
3493 %EXTICMD = ();
3494
3495 warn "unloading/nuking all extensions";
3496 for my $pkg (@EXTS) {
2036 warn "unloading <$_>"; 3497 warn "... unloading $pkg";
2037 unload_extension $_; 3498
3499 if (my $cb = $pkg->can ("unload")) {
3500 eval {
3501 $cb->($pkg);
3502 1
3503 } or warn "$pkg unloaded, but with errors: $@";
2038 } 3504 }
2039 3505
3506 warn "... nuking $pkg";
3507 Symbol::delete_package $pkg;
3508 }
3509
2040 # unload all modules loaded from $LIBDIR 3510 warn "unloading all perl modules loaded from $LIBDIR";
2041 while (my ($k, $v) = each %INC) { 3511 while (my ($k, $v) = each %INC) {
2042 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3512 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043 3513
2044 warn "removing <$k>"; 3514 warn "... unloading $k";
2045 delete $INC{$k}; 3515 delete $INC{$k};
2046 3516
2047 $k =~ s/\.pm$//; 3517 $k =~ s/\.pm$//;
2048 $k =~ s/\//::/g; 3518 $k =~ s/\//::/g;
2049 3519
… …
2052 } 3522 }
2053 3523
2054 Symbol::delete_package $k; 3524 Symbol::delete_package $k;
2055 } 3525 }
2056 3526
2057 # sync database to disk
2058 cf::db_sync;
2059 IO::AIO::flush;
2060
2061 # get rid of safe::, as good as possible 3527 warn "getting rid of safe::, as good as possible";
2062 Symbol::delete_package "safe::$_" 3528 Symbol::delete_package "safe::$_"
2063 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3529 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2064 3530
2065 # remove register_script_function callbacks
2066 # TODO
2067
2068 # unload cf.pm "a bit" 3531 warn "unloading cf.pm \"a bit\"";
2069 delete $INC{"cf.pm"}; 3532 delete $INC{"cf.pm"};
3533 delete $INC{"cf/pod.pm"};
2070 3534
2071 # don't, removes xs symbols, too, 3535 # don't, removes xs symbols, too,
2072 # and global variables created in xs 3536 # and global variables created in xs
2073 #Symbol::delete_package __PACKAGE__; 3537 #Symbol::delete_package __PACKAGE__;
2074 3538
2075 # reload cf.pm 3539 warn "unload completed, starting to reload now";
3540
2076 warn "reloading cf.pm"; 3541 warn "reloading cf.pm";
2077 require cf; 3542 require cf;
2078 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3543 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2079 3544
2080 # load config and database again 3545 warn "loading config and database again";
2081 cf::cfg_load; 3546 cf::reload_config;
2082 cf::db_load;
2083 3547
2084 # load extensions
2085 warn "load extensions"; 3548 warn "loading extensions";
2086 cf::load_extensions; 3549 cf::load_extensions;
2087 3550
2088 # reattach attachments to objects 3551 warn "reattaching attachments to objects/players";
2089 warn "reattach"; 3552 _global_reattach; # objects, sockets
2090 _global_reattach; 3553 warn "reattaching attachments to maps";
2091 }; 3554 reattach $_ for values %MAP;
3555 warn "reattaching attachments to players";
3556 reattach $_ for values %PLAYER;
2092 3557
2093 if ($@) { 3558 warn "leaving sync_job";
3559
3560 1
3561 } or do {
2094 warn $@; 3562 warn $@;
2095 warn "error while reloading, exiting."; 3563 warn "error while reloading, exiting.";
2096 exit 1; 3564 exit 1;
2097 } 3565 };
2098 3566
2099 warn "reloaded successfully"; 3567 warn "reloaded";
2100}; 3568};
2101 3569
2102############################################################################# 3570our $RELOAD_WATCHER; # used only during reload
2103 3571
2104unless ($LINK_MAP) { 3572sub reload_perl() {
2105 $LINK_MAP = cf::map::new; 3573 # doing reload synchronously and two reloads happen back-to-back,
3574 # coro crashes during coro_state_free->destroy here.
2106 3575
2107 $LINK_MAP->width (41); 3576 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2108 $LINK_MAP->height (41); 3577 do_reload_perl;
2109 $LINK_MAP->alloc; 3578 undef $RELOAD_WATCHER;
2110 $LINK_MAP->path ("{link}"); 3579 };
2111 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114 # dirty hack because... archetypes are not yet loaded
2115 Event->timer (
2116 after => 2,
2117 cb => sub {
2118 $_[0]->w->cancel;
2119
2120 # provide some exits "home"
2121 my $exit = cf::object::new "exit";
2122
2123 $exit->slaying ($EMERGENCY_POSITION->[0]);
2124 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127 $LINK_MAP->insert ($exit->clone, 19, 19);
2128 $LINK_MAP->insert ($exit->clone, 19, 20);
2129 $LINK_MAP->insert ($exit->clone, 19, 21);
2130 $LINK_MAP->insert ($exit->clone, 20, 19);
2131 $LINK_MAP->insert ($exit->clone, 20, 21);
2132 $LINK_MAP->insert ($exit->clone, 21, 19);
2133 $LINK_MAP->insert ($exit->clone, 21, 20);
2134 $LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136 $exit->destroy;
2137 });
2138
2139 $LINK_MAP->{deny_save} = 1;
2140 $LINK_MAP->{deny_reset} = 1;
2141
2142 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143} 3580}
2144
2145register "<global>", __PACKAGE__;
2146 3581
2147register_command "reload" => sub { 3582register_command "reload" => sub {
2148 my ($who, $arg) = @_; 3583 my ($who, $arg) = @_;
2149 3584
2150 if ($who->flag (FLAG_WIZ)) { 3585 if ($who->flag (FLAG_WIZ)) {
2151 $who->message ("start of reload.");
2152 reload;
2153 $who->message ("end of reload."); 3586 $who->message ("reloading server.");
3587 async {
3588 $Coro::current->{desc} = "perl_reload";
3589 reload_perl;
3590 };
2154 } 3591 }
2155}; 3592};
2156 3593
2157unshift @INC, $LIBDIR; 3594unshift @INC, $LIBDIR;
2158 3595
2159$TICK_WATCHER = Event->timer ( 3596my $bug_warning = 0;
2160 reentrant => 0, 3597
2161 prio => 0, 3598our @WAIT_FOR_TICK;
2162 at => $NEXT_TICK || $TICK, 3599our @WAIT_FOR_TICK_BEGIN;
2163 data => WF_AUTOCANCEL, 3600
2164 cb => sub { 3601sub wait_for_tick {
2165 unless ($FREEZE) { 3602 return unless $TICK_WATCHER->is_active;
3603 return if $Coro::current == $Coro::main;
3604
3605 my $signal = new Coro::Signal;
3606 push @WAIT_FOR_TICK, $signal;
3607 $signal->wait;
3608}
3609
3610sub wait_for_tick_begin {
3611 return unless $TICK_WATCHER->is_active;
3612 return if $Coro::current == $Coro::main;
3613
3614 my $signal = new Coro::Signal;
3615 push @WAIT_FOR_TICK_BEGIN, $signal;
3616 $signal->wait;
3617}
3618
3619$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3620 if ($Coro::current != $Coro::main) {
3621 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3622 unless ++$bug_warning > 10;
3623 return;
3624 }
3625
3626 $NOW = $tick_start = EV::now;
3627
2166 cf::server_tick; # one server iteration 3628 cf::server_tick; # one server iteration
3629
2167 $RUNTIME += $TICK; 3630 $RUNTIME += $TICK;
2168 } 3631 $NEXT_TICK = $_[0]->at;
2169 3632
2170 $NEXT_TICK += $TICK; 3633 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2171 3634 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2172 # if we are delayed by four ticks or more, skip them all 3635 Coro::async_pool {
2173 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3636 $Coro::current->{desc} = "runtime saver";
2174
2175 $TICK_WATCHER->at ($NEXT_TICK);
2176 $TICK_WATCHER->start;
2177 },
2178);
2179
2180IO::AIO::max_poll_time $TICK * 0.2;
2181
2182Event->io (
2183 fd => IO::AIO::poll_fileno,
2184 poll => 'r',
2185 prio => 5,
2186 data => WF_AUTOCANCEL,
2187 cb => \&IO::AIO::poll_cb,
2188);
2189
2190Event->timer (
2191 data => WF_AUTOCANCEL,
2192 after => 0,
2193 interval => 10,
2194 cb => sub {
2195 (Coro::unblock_sub {
2196 write_runtime 3637 write_runtime
2197 or warn "ERROR: unable to write runtime file: $!"; 3638 or warn "ERROR: unable to write runtime file: $!";
2198 })->(); 3639 };
2199 }, 3640 }
2200); 3641
3642 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3643 $sig->send;
3644 }
3645 while (my $sig = shift @WAIT_FOR_TICK) {
3646 $sig->send;
3647 }
3648
3649 $LOAD = ($NOW - $tick_start) / $TICK;
3650 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3651
3652 _post_tick;
3653};
3654$TICK_WATCHER->priority (EV::MAXPRI);
3655
3656{
3657 # configure BDB
3658
3659 BDB::min_parallel 8;
3660 BDB::max_poll_reqs $TICK * 0.1;
3661 $Coro::BDB::WATCHER->priority (1);
3662
3663 unless ($DB_ENV) {
3664 $DB_ENV = BDB::db_env_create;
3665 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3666 | BDB::LOG_AUTOREMOVE, 1);
3667 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3668 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3669
3670 cf::sync_job {
3671 eval {
3672 BDB::db_env_open
3673 $DB_ENV,
3674 $BDBDIR,
3675 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3676 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3677 0666;
3678
3679 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3680 };
3681
3682 cf::cleanup "db_env_open(db): $@" if $@;
3683 };
3684 }
3685
3686 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3687 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3688 };
3689 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3690 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3691 };
3692 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3693 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3694 };
3695}
3696
3697{
3698 # configure IO::AIO
3699
3700 IO::AIO::min_parallel 8;
3701 IO::AIO::max_poll_time $TICK * 0.1;
3702 $Coro::AIO::WATCHER->priority (1);
3703}
3704
3705my $_log_backtrace;
3706
3707sub _log_backtrace {
3708 my ($msg, @addr) = @_;
3709
3710 $msg =~ s/\n//;
3711
3712 # limit the # of concurrent backtraces
3713 if ($_log_backtrace < 2) {
3714 ++$_log_backtrace;
3715 async {
3716 $Coro::current->{desc} = "abt $msg";
3717
3718 my @bt = fork_call {
3719 @addr = map { sprintf "%x", $_ } @addr;
3720 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3721 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3722 or die "addr2line: $!";
3723
3724 my @funcs;
3725 my @res = <$fh>;
3726 chomp for @res;
3727 while (@res) {
3728 my ($func, $line) = splice @res, 0, 2, ();
3729 push @funcs, "[$func] $line";
3730 }
3731
3732 @funcs
3733 };
3734
3735 LOG llevInfo, "[ABT] $msg\n";
3736 LOG llevInfo, "[ABT] $_\n" for @bt;
3737 --$_log_backtrace;
3738 };
3739 } else {
3740 LOG llevInfo, "[ABT] $msg\n";
3741 LOG llevInfo, "[ABT] [suppressed]\n";
3742 }
3743}
3744
3745# load additional modules
3746use cf::pod;
2201 3747
2202END { cf::emergency_save } 3748END { cf::emergency_save }
2203 3749
22041 37501
2205 3751

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