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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.411 by root, Fri Feb 1 15:54:07 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 ();
20use Data::Dumper; 29use Data::Dumper;
21use Digest::MD5; 30use Digest::MD5;
22use Fcntl; 31use Fcntl;
32use YAML ();
23use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
24use YAML::Syck ();
25use Time::HiRes; 34use Time::HiRes;
35use Compress::LZF;
36use Digest::MD5 ();
26 37
27use 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
43
44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28 45
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 47
36our %COMMAND = (); 48our %COMMAND = ();
37our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
38 50
39our @EXTS = (); # list of extension package names 51our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
43 56
57our $RELOAD; # number of reloads so far
44our @EVENT; 58our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 59
47our $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(!)
48our $TICK_WATCHER; 74our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 75our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 77our $NEXT_TICK;
52our $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;
53 85
54our %CFG; 86our %CFG;
55 87
56our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 89our $RUNTIME;
90our $NOW;
58 91
59our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 95
67# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
70binmode STDOUT; 103binmode STDOUT;
71binmode STDERR; 104binmode STDERR;
72 105
73# read virtual server time, if available 106# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
78} 111}
79 112
80mkdir cf::localdir; 113mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 115
86our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
117
118sub cf::map::normalise;
87 119
88############################################################################# 120#############################################################################
89 121
90=head2 GLOBAL VARIABLES 122=head2 GLOBAL VARIABLES
91 123
… …
98=item $cf::RUNTIME 130=item $cf::RUNTIME
99 131
100The 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
101every server tick. 133every server tick.
102 134
103=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
104 138
105The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 143
108=item $cf::NOW 144=item $cf::NOW
109 145
110The time of the last (current) server tick. 146The time of the last (current) server tick.
111 147
112=item $cf::TICK 148=item $cf::TICK
113 149
114The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
115 151
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
116=item %cf::CFG 162=item %cf::CFG
117 163
118Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 165from wherever your confdir points to.
120 166
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
122 168
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 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.
127 178
128=back 179=back
129 180
130=cut 181=cut
131 182
132BEGIN { 183BEGIN {
133 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 185 my $msg = join "", @_;
135 utf8::encode $msg;
136 186
137 $msg .= "\n" 187 $msg .= "\n"
138 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
139 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
140 LOG llevError, $msg; 192 LOG llevError, $msg;
141 }; 193 };
142} 194}
195
196$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#?
143 210
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 218
151# 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
152# within the Safe compartment. 220# within the Safe compartment.
153for my $pkg (qw( 221for my $pkg (qw(
154 cf::global cf::attachable 222 cf::global cf::attachable
… …
159)) { 227)) {
160 no strict 'refs'; 228 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 230}
163 231
164$Event::DIED = sub { 232$EV::DIED = sub {
165 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
166}; 234};
235
236#############################################################################
167 237
168=head2 UTILITY FUNCTIONS 238=head2 UTILITY FUNCTIONS
169 239
170=over 4 240=over 4
171 241
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 261 $d
192 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
193} 263}
194 264
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
198 266
199Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
200 268
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
209 270
210Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
211 272
212=cut 273=cut
213 274
214sub to_json($) { 275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 276
216 JSON::Syck::Dump $_[0] 277sub encode_json($) { $json_coder->encode ($_[0]) }
217} 278sub decode_json($) { $json_coder->decode ($_[0]) }
218 279
219=item cf::lock_wait $string 280=item cf::lock_wait $string
220 281
221Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
222 283
… …
225Wait 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
226a Coro::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,
227for example when the coroutine gets canceled), the lock is automatically 288for example when the coroutine gets canceled), the lock is automatically
228returned. 289returned.
229 290
291Locks are *not* recursive, locking from the same coro twice results in a
292deadlocked coro.
293
230Lock names should begin with a unique identifier (for example, cf::map::find 294Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 295uses map_find and cf::map::load uses map_load).
232 296
297=item $locked = cf::lock_active $string
298
299Return true if the lock is currently active, i.e. somebody has locked it.
300
233=cut 301=cut
234 302
235our %LOCK; 303our %LOCK;
304our %LOCKER;#d#
236 305
237sub lock_wait($) { 306sub lock_wait($) {
238 my ($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#
239 313
240 # wait for lock, if any 314 # wait for lock, if any
241 while ($LOCK{$key}) { 315 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 316 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 317 Coro::schedule;
… …
249 323
250 # wait, to be sure we are not locked 324 # wait, to be sure we are not locked
251 lock_wait $key; 325 lock_wait $key;
252 326
253 $LOCK{$key} = []; 327 $LOCK{$key} = [];
328 $LOCKER{$key} = $Coro::current;#d#
254 329
255 Coro::guard { 330 Coro::guard {
331 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 332 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 333 $_->ready for @{ delete $LOCK{$key} };
258 } 334 }
259} 335}
260 336
337sub lock_active($) {
338 my ($key) = @_;
339
340 ! ! $LOCK{$key}
341}
342
261sub freeze_mainloop { 343sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 344 return unless $TICK_WATCHER->is_active;
263 345
264 my $guard = Coro::guard { 346 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 347 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 348 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
270 $guard 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 $sig->wait;
271} 424}
272 425
273=item cf::async { BLOCK } 426=item cf::async { BLOCK }
274 427
275Currently the same as Coro::async_pool, meaning you cannot use 428Currently the same as Coro::async_pool, meaning you cannot use
… …
280 433
281BEGIN { *async = \&Coro::async_pool } 434BEGIN { *async = \&Coro::async_pool }
282 435
283=item cf::sync_job { BLOCK } 436=item cf::sync_job { BLOCK }
284 437
285The design of crossfire+ requires that the main coro ($Coro::main) is 438The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 439is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 440partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
441acceptable.
288 442
289If it must be done, put the blocking parts into C<sync_job>. This will run 443If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 444the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 445server will be frozen during this time, so the block should either finish
292fast or be very important. 446fast or be very important.
… …
295 449
296sub sync_job(&) { 450sub sync_job(&) {
297 my ($job) = @_; 451 my ($job) = @_;
298 452
299 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
454 my $time = EV::time;
455
300 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
302 458
459 LOG llevError, Carp::longmess "sync job";#d#
460
303 # TODO: use suspend/resume instead 461 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 462 # (but this is cancel-safe)
305 my $freeze_guard = freeze_mainloop; 463 my $freeze_guard = freeze_mainloop;
306 464
307 my $busy = 1; 465 my $busy = 1;
308 my @res; 466 my @res;
309 467
310 (async { 468 (async {
469 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 470 @res = eval { $job->() };
312 warn $@ if $@; 471 warn $@ if $@;
313 undef $busy; 472 undef $busy;
314 })->prio (Coro::PRIO_MAX); 473 })->prio (Coro::PRIO_MAX);
315 474
316 while ($busy) { 475 while ($busy) {
317 Coro::cede or Event::one_event; 476 if (Coro::nready) {
477 Coro::cede_notself;
478 } else {
479 EV::loop EV::LOOP_ONESHOT;
318 } 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
319 489
320 wantarray ? @res : $res[0] 490 wantarray ? @res : $res[0]
321 } else { 491 } else {
322 # we are in another coroutine, how wonderful, everything just works 492 # we are in another coroutine, how wonderful, everything just works
323 493
… …
343 $EXT_CORO{$coro+0} = $coro; 513 $EXT_CORO{$coro+0} = $coro;
344 514
345 $coro 515 $coro
346} 516}
347 517
348sub write_runtime { 518=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 519
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 520Executes the given code block with the given arguments in a seperate
352 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.
353 524
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 525=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 526
358 aio_fsync $fh 527sub fork_call(&@) {
359 and return; 528 my ($cb, @args) = @_;
360 529
361 close $fh 530 # we seemingly have to make a local copy of the whole thing,
362 or return; 531 # otherwise perl prematurely frees the stuff :/
532 # TODO: investigate and fix (likely this will be rather laborious)
363 533
364 aio_rename "$runtime~", $runtime 534 my @res = Coro::Util::fork_eval {
365 and return; 535 reset_signals;
536 &$cb
537 }, @args;
366 538
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($$) {
584 my $key = "$_[0]/$_[1]";
585
586 cf::sync_job {
587 BDB::db_get $DB, undef, $key, my $data;
588
589 $! ? ()
590 : $data
367 1 591 }
592}
593
594sub db_put($$$) {
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 });
368} 678}
369 679
370=back 680=back
371 681
372=cut 682=cut
… …
379attach callbacks/event handlers (a collection of which is called an "attachment") 689attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 690to it. All such attachable objects support the following methods.
381 691
382In 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>
383C<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
384crossfire+). 694Deliantra).
385 695
386=over 4 696=over 4
387 697
388=item $attachable->attach ($attachment, key => $value...) 698=item $attachable->attach ($attachment, key => $value...)
389 699
… …
503our @CB_TYPE = (); # registry for type (cf-object class) based events 813our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 814our @CB_MAP = ();
505 815
506my %attachment; 816my %attachment;
507 817
818sub cf::attachable::thawer_merge {
819 # simply override everything except _meta
820 local $_[0]{_meta};
821 %{$_[0]} = %{$_[1]};
822}
823
508sub _attach_cb($$$$) { 824sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 825 my ($registry, $event, $prio, $cb) = @_;
510 826
511 use sort 'stable'; 827 use sort 'stable';
512 828
… …
546 $registry = $CB_TYPE[$object_type] ||= []; 862 $registry = $CB_TYPE[$object_type] ||= [];
547 863
548 } elsif ($type eq "subtype") { 864 } elsif ($type eq "subtype") {
549 defined $object_type or Carp::croak "subtype specified without type"; 865 defined $object_type or Carp::croak "subtype specified without type";
550 my $object_subtype = shift @arg; 866 my $object_subtype = shift @arg;
551 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 867 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552 868
553 } elsif ($type eq "package") { 869 } elsif ($type eq "package") {
554 my $pkg = shift @arg; 870 my $pkg = shift @arg;
555 871
556 while (my ($name, $id) = each %cb_id) { 872 while (my ($name, $id) = each %cb_id) {
… …
585 _attach $registry, $klass, @attach; 901 _attach $registry, $klass, @attach;
586 } 902 }
587 903
588 $obj->{$name} = \%arg; 904 $obj->{$name} = \%arg;
589 } else { 905 } else {
590 warn "object uses attachment '$name' that is not available, postponing.\n"; 906 warn "object uses attachment '$name' which is not available, postponing.\n";
591 } 907 }
592 908
593 $obj->{_attachment}{$name} = undef; 909 $obj->{_attachment}{$name} = undef;
594} 910}
595 911
… …
597 if (ref $_[0]) { 913 if (ref $_[0]) {
598 _object_attach @_; 914 _object_attach @_;
599 } else { 915 } else {
600 _attach shift->_attach_registry, @_; 916 _attach shift->_attach_registry, @_;
601 } 917 }
918 _recalc_want;
602}; 919};
603 920
604# all those should be optimised 921# all those should be optimised
605sub cf::attachable::detach { 922sub cf::attachable::detach {
606 my ($obj, $name) = @_; 923 my ($obj, $name) = @_;
… …
609 delete $obj->{_attachment}{$name}; 926 delete $obj->{_attachment}{$name};
610 reattach ($obj); 927 reattach ($obj);
611 } else { 928 } else {
612 Carp::croak "cannot, currently, detach class attachments"; 929 Carp::croak "cannot, currently, detach class attachments";
613 } 930 }
931 _recalc_want;
614}; 932};
615 933
616sub cf::attachable::attached { 934sub cf::attachable::attached {
617 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
618 936
… …
633 "; 951 ";
634 die if $@; 952 die if $@;
635} 953}
636 954
637our $override; 955our $override;
638our @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?
639 957
640sub override { 958sub override {
641 $override = 1; 959 $override = 1;
642 @invoke_results = (); 960 @INVOKE_RESULTS = (@_);
643} 961}
644 962
645sub do_invoke { 963sub do_invoke {
646 my $event = shift; 964 my $event = shift;
647 my $callbacks = shift; 965 my $callbacks = shift;
648 966
649 @invoke_results = (); 967 @INVOKE_RESULTS = ();
650 968
651 local $override; 969 local $override;
652 970
653 for (@$callbacks) { 971 for (@$callbacks) {
654 eval { &{$_->[1]} }; 972 eval { &{$_->[1]} };
… …
663 } 981 }
664 982
665 0 983 0
666} 984}
667 985
668=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669 987
670=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671 989
672Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
673 991
674This 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
675removed 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
676results (if you must, access C<@cf::invoke_results> directly). 994results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677 995
678=back 996=back
679 997
680=cut 998=cut
681 999
682############################################################################# 1000#############################################################################
683# object support 1001# object support
1002
1003sub _object_equal($$);
1004sub _object_equal($$) {
1005 my ($a, $b) = @_;
1006
1007 return 0 unless (ref $a) eq (ref $b);
1008
1009 if ("HASH" eq ref $a) {
1010 my @ka = keys %$a;
1011 my @kb = keys %$b;
1012
1013 return 0 if @ka != @kb;
1014
1015 for (0 .. $#ka) {
1016 return 0 unless $ka[$_] eq $kb[$_];
1017 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1018 }
1019
1020 } elsif ("ARRAY" eq ref $a) {
1021
1022 return 0 if @$a != @$b;
1023
1024 for (0 .. $#$a) {
1025 return 0 unless _object_equal $a->[$_], $b->[$_];
1026 }
1027
1028 } elsif ($a ne $b) {
1029 return 0;
1030 }
1031
1032 1
1033}
1034
1035our $SLOW_MERGES;#d#
1036sub _can_merge {
1037 my ($ob1, $ob2) = @_;
1038
1039 ++$SLOW_MERGES;#d#
1040
1041 # we do the slow way here
1042 return _object_equal $ob1, $ob2
1043}
684 1044
685sub reattach { 1045sub reattach {
686 # basically do the same as instantiate, without calling instantiate 1046 # basically do the same as instantiate, without calling instantiate
687 my ($obj) = @_; 1047 my ($obj) = @_;
688 1048
… …
709cf::attachable->attach ( 1069cf::attachable->attach (
710 prio => -1000000, 1070 prio => -1000000,
711 on_instantiate => sub { 1071 on_instantiate => sub {
712 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
713 1073
714 $data = from_json $data; 1074 $data = decode_json $data;
715 1075
716 for (@$data) { 1076 for (@$data) {
717 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
718 1078
719 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
735sub object_freezer_save { 1095sub object_freezer_save {
736 my ($filename, $rdata, $objs) = @_; 1096 my ($filename, $rdata, $objs) = @_;
737 1097
738 sync_job { 1098 sync_job {
739 if (length $$rdata) { 1099 if (length $$rdata) {
1100 utf8::decode (my $decname = $filename);
740 warn sprintf "saving %s (%d,%d)\n", 1101 warn sprintf "saving %s (%d,%d)\n",
741 $filename, length $$rdata, scalar @$objs; 1102 $decname, length $$rdata, scalar @$objs;
742 1103
743 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1104 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744 chmod SAVE_MODE, $fh; 1105 chmod SAVE_MODE, $fh;
745 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1106 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746 aio_fsync $fh; 1107 aio_fsync $fh if $cf::USE_FSYNC;
747 close $fh; 1108 close $fh;
748 1109
749 if (@$objs) { 1110 if (@$objs) {
750 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) {
751 chmod SAVE_MODE, $fh; 1112 chmod SAVE_MODE, $fh;
752 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1113 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753 aio_write $fh, 0, (length $data), $data, 0; 1114 aio_write $fh, 0, (length $data), $data, 0;
754 aio_fsync $fh; 1115 aio_fsync $fh if $cf::USE_FSYNC;
755 close $fh; 1116 close $fh;
756 aio_rename "$filename.pst~", "$filename.pst"; 1117 aio_rename "$filename.pst~", "$filename.pst";
757 } 1118 }
758 } else { 1119 } else {
759 aio_unlink "$filename.pst"; 1120 aio_unlink "$filename.pst";
… …
765 } 1126 }
766 } else { 1127 } else {
767 aio_unlink $filename; 1128 aio_unlink $filename;
768 aio_unlink "$filename.pst"; 1129 aio_unlink "$filename.pst";
769 } 1130 }
770 } 1131 };
771} 1132}
772 1133
773sub object_freezer_as_string { 1134sub object_freezer_as_string {
774 my ($rdata, $objs) = @_; 1135 my ($rdata, $objs) = @_;
775 1136
… …
787 or return; 1148 or return;
788 1149
789 unless (aio_stat "$filename.pst") { 1150 unless (aio_stat "$filename.pst") {
790 (aio_load "$filename.pst", $av) >= 0 1151 (aio_load "$filename.pst", $av) >= 0
791 or return; 1152 or return;
1153
792 $av = eval { (Storable::thaw $av)->{objs} }; 1154 my $st = eval { Coro::Storable::thaw $av };
1155 $av = $st->{objs};
793 } 1156 }
794 1157
1158 utf8::decode (my $decname = $filename);
795 warn sprintf "loading %s (%d)\n", 1159 warn sprintf "loading %s (%d,%d)\n",
796 $filename, length $data, scalar @{$av || []};#d# 1160 $decname, length $data, scalar @{$av || []};
1161
797 return ($data, $av); 1162 ($data, $av)
798} 1163}
1164
1165=head2 COMMAND CALLBACKS
1166
1167=over 4
1168
1169=cut
799 1170
800############################################################################# 1171#############################################################################
801# command handling &c 1172# command handling &c
802 1173
803=item cf::register_command $name => \&callback($ob,$args); 1174=item cf::register_command $name => \&callback($ob,$args);
… …
816 push @{ $COMMAND{$name} }, [$caller, $cb]; 1187 push @{ $COMMAND{$name} }, [$caller, $cb];
817} 1188}
818 1189
819=item cf::register_extcmd $name => \&callback($pl,$packet); 1190=item cf::register_extcmd $name => \&callback($pl,$packet);
820 1191
821Register 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.
822 1197
823If 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
824called. 1199called.
825 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
826=cut 1212=cut
827 1213
828sub register_extcmd { 1214sub register_extcmd {
829 my ($name, $cb) = @_; 1215 my ($name, $cb) = @_;
830 1216
831 $EXTCMD{$name} = $cb; 1217 $EXTCMD{$name} = $cb;
1218}
1219
1220sub register_exticmd {
1221 my ($name, $cb) = @_;
1222
1223 $EXTICMD{$name} = $cb;
832} 1224}
833 1225
834cf::player->attach ( 1226cf::player->attach (
835 on_command => sub { 1227 on_command => sub {
836 my ($pl, $name, $params) = @_; 1228 my ($pl, $name, $params) = @_;
… …
845 cf::override; 1237 cf::override;
846 }, 1238 },
847 on_extcmd => sub { 1239 on_extcmd => sub {
848 my ($pl, $buf) = @_; 1240 my ($pl, $buf) = @_;
849 1241
850 my $msg = eval { from_json $buf }; 1242 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851 1243
852 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
853 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1252 if (my $cb = $EXTCMD{$type}) {
854 if (my %reply = $cb->($pl, $msg)) { 1253 @reply = $cb->($pl, @payload);
855 $pl->ext_reply ($msg->{msgid}, %reply);
856 }
857 } 1254 }
1255
1256 $pl->ext_reply ($reply, @reply)
1257 if $reply;
1258
858 } else { 1259 } else {
859 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1260 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860 } 1261 }
861 1262
862 cf::override; 1263 cf::override;
863 }, 1264 },
864); 1265);
865 1266
866sub load_extension {
867 my ($path) = @_;
868
869 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
870 my $base = $1;
871 my $pkg = $1;
872 $pkg =~ s/[^[:word:]]/_/g;
873 $pkg = "ext::$pkg";
874
875 warn "... loading '$path' into '$pkg'\n";
876
877 open my $fh, "<:utf8", $path
878 or die "$path: $!";
879
880 my $source =
881 "package $pkg; use strict; use utf8;\n"
882 . "#line 1 \"$path\"\n{\n"
883 . (do { local $/; <$fh> })
884 . "\n};\n1";
885
886 unless (eval $source) {
887 my $msg = $@ ? "$path: $@\n"
888 : "extension disabled.\n";
889 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890 warn $@;
891 warn "mandatory extension failed to load, exiting.\n";
892 exit 1;
893 }
894 die $@;
895 }
896
897 push @EXTS, $pkg;
898}
899
900sub load_extensions { 1267sub load_extensions {
1268 cf::sync_job {
1269 my %todo;
1270
901 for my $ext (<$LIBDIR/*.ext>) { 1271 for my $path (<$LIBDIR/*.ext>) {
902 next unless -r $ext; 1272 next unless -r $path;
903 eval { 1273
904 load_extension $ext; 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 cf::cleanup "mandatory extension failed to load, exiting.";
1322 }
1323
1324 warn $msg;
1325 }
1326
1327 $done{$k} = delete $todo{$k};
1328 push @EXTS, $v->{pkg};
1329 $progress = 1;
905 1 1330 }
906 } or warn "$ext not loaded: $@"; 1331
1332 skip:
1333 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1334 unless $progress;
1335 }
907 } 1336 };
908} 1337}
909 1338
910############################################################################# 1339#############################################################################
911 1340
1341=back
1342
912=head2 CORE EXTENSIONS 1343=head2 CORE EXTENSIONS
913 1344
914Functions and methods that extend core crossfire objects. 1345Functions and methods that extend core crossfire objects.
915 1346
916=cut 1347=cut
… …
921 1352
922=head3 cf::player 1353=head3 cf::player
923 1354
924=over 4 1355=over 4
925 1356
1357=item cf::player::num_playing
1358
1359Returns the official number of playing players, as per the Crossfire metaserver rules.
1360
1361=cut
1362
1363sub num_playing {
1364 scalar grep
1365 $_->ob->map
1366 && !$_->hidden
1367 && !$_->ob->flag (cf::FLAG_WIZ),
1368 cf::player::list
1369}
1370
926=item cf::player::find $login 1371=item cf::player::find $login
927 1372
928Returns the given player object, loading it if necessary (might block). 1373Returns the given player object, loading it if necessary (might block).
929 1374
930=cut 1375=cut
931 1376
932sub playerdir($) { 1377sub playerdir($) {
933 cf::localdir 1378 "$PLAYERDIR/"
934 . "/"
935 . cf::playerdir
936 . "/"
937 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1379 . (ref $_[0] ? $_[0]->ob->name : $_[0])
938} 1380}
939 1381
940sub path($) { 1382sub path($) {
941 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1383 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942 1384
943 (playerdir $login) . "/$login.pl" 1385 (playerdir $login) . "/playerdata"
944} 1386}
945 1387
946sub find_active($) { 1388sub find_active($) {
947 $cf::PLAYER{$_[0]} 1389 $cf::PLAYER{$_[0]}
948 and $cf::PLAYER{$_[0]}->active 1390 and $cf::PLAYER{$_[0]}->active
… …
951 1393
952sub exists($) { 1394sub exists($) {
953 my ($login) = @_; 1395 my ($login) = @_;
954 1396
955 $cf::PLAYER{$login} 1397 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login } 1398 or cf::sync_job { !aio_stat path $login }
957} 1399}
958 1400
959sub find($) { 1401sub find($) {
960 return $cf::PLAYER{$_[0]} || do { 1402 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0]; 1403 my $login = $_[0];
962 1404
963 my $guard = cf::lock_acquire "user_find:$login"; 1405 my $guard = cf::lock_acquire "user_find:$login";
964 1406
965 $cf::PLAYER{$_[0]} || do { 1407 $cf::PLAYER{$_[0]} || do {
966 my $pl = load_pl path $login 1408 # rename old playerfiles to new ones
1409 #TODO: remove when no longer required
1410 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1411 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1412 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1413 aio_unlink +(playerdir $login) . "/$login.pl";
1414
1415 my $f = new_from_file cf::object::thawer path $login
967 or return; 1416 or return;
1417
1418 my $pl = cf::player::load_pl $f
1419 or return;
1420 local $cf::PLAYER_LOADING{$login} = $pl;
1421 $f->resolve_delayed_derefs;
968 $cf::PLAYER{$login} = $pl 1422 $cf::PLAYER{$login} = $pl
969 } 1423 }
970 } 1424 }
971} 1425}
972 1426
… …
982 1436
983 aio_mkdir playerdir $pl, 0770; 1437 aio_mkdir playerdir $pl, 0770;
984 $pl->{last_save} = $cf::RUNTIME; 1438 $pl->{last_save} = $cf::RUNTIME;
985 1439
986 $pl->save_pl ($path); 1440 $pl->save_pl ($path);
987 Coro::cede; 1441 cf::cede_to_tick;
988} 1442}
989 1443
990sub new($) { 1444sub new($) {
991 my ($login) = @_; 1445 my ($login) = @_;
992 1446
… …
998 $cf::PLAYER{$login} = $self; 1452 $cf::PLAYER{$login} = $self;
999 1453
1000 $self 1454 $self
1001} 1455}
1002 1456
1457=item $player->send_msg ($channel, $msg, $color, [extra...])
1458
1459=cut
1460
1461sub send_msg {
1462 my $ns = shift->ns
1463 or return;
1464 $ns->send_msg (@_);
1465}
1466
1003=item $pl->quit_character 1467=item $pl->quit_character
1004 1468
1005Nukes the player without looking back. If logged in, the connection will 1469Nukes the player without looking back. If logged in, the connection will
1006be destroyed. May block for a long time. 1470be destroyed. May block for a long time.
1007 1471
1008=cut 1472=cut
1009 1473
1010sub quit_character { 1474sub quit_character {
1011 my ($pl) = @_; 1475 my ($pl) = @_;
1476
1477 my $name = $pl->ob->name;
1012 1478
1013 $pl->{deny_save} = 1; 1479 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir 1480 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015 1481
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1482 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1021 my $path = playerdir $pl; 1487 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~"; 1488 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp; 1489 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name}; 1490 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy; 1491 $pl->destroy;
1492
1493 my $prefix = qr<^~\Q$name\E/>;
1494
1495 # nuke player maps
1496 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1497
1026 IO::AIO::aio_rmtree $temp; 1498 IO::AIO::aio_rmtree $temp;
1499}
1500
1501=item $pl->kick
1502
1503Kicks a player out of the game. This destroys the connection.
1504
1505=cut
1506
1507sub kick {
1508 my ($pl, $kicker) = @_;
1509
1510 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1511 $pl->killer ("kicked");
1512 $pl->ns->destroy;
1027} 1513}
1028 1514
1029=item cf::player::list_logins 1515=item cf::player::list_logins
1030 1516
1031Returns am arrayref of all valid playernames in the system, can take a 1517Returns am arrayref of all valid playernames in the system, can take a
1032while and may block, so not sync_job-capable, ever. 1518while and may block, so not sync_job-capable, ever.
1033 1519
1034=cut 1520=cut
1035 1521
1036sub list_logins { 1522sub list_logins {
1037 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1523 my $dirs = aio_readdir $PLAYERDIR
1038 or return []; 1524 or return [];
1039 1525
1040 my @logins; 1526 my @logins;
1041 1527
1042 for my $login (@$dirs) { 1528 for my $login (@$dirs) {
1529 my $path = path $login;
1530
1531 # a .pst is a dead give-away for a valid player
1532 unless (-e "$path.pst") {
1043 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1533 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044 aio_read $fh, 0, 512, my $buf, 0 or next; 1534 aio_read $fh, 0, 512, my $buf, 0 or next;
1045 $buf !~ /^password -------------$/m or next; # official not-valid tag 1535 $buf !~ /^password -------------$/m or next; # official not-valid tag
1536 }
1046 1537
1047 utf8::decode $login; 1538 utf8::decode $login;
1048 push @logins, $login; 1539 push @logins, $login;
1049 } 1540 }
1050 1541
… …
1058 1549
1059=cut 1550=cut
1060 1551
1061sub maps($) { 1552sub maps($) {
1062 my ($pl) = @_; 1553 my ($pl) = @_;
1554
1555 $pl = ref $pl ? $pl->ob->name : $pl;
1063 1556
1064 my $files = aio_readdir playerdir $pl 1557 my $files = aio_readdir playerdir $pl
1065 or return; 1558 or return;
1066 1559
1067 my @paths; 1560 my @paths;
… …
1069 for (@$files) { 1562 for (@$files) {
1070 utf8::decode $_; 1563 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/; 1564 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o; 1565 next unless /^$PATH_SEP/o;
1073 1566
1074 s/\.map$//; 1567 push @paths, cf::map::normalise "~$pl/$_";
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 } 1568 }
1077 1569
1078 \@paths 1570 \@paths
1079} 1571}
1080 1572
1573=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1574
1575Expand crossfire pod fragments into protocol xml.
1576
1577=cut
1578
1579use re 'eval';
1580
1581my $group;
1582my $interior; $interior = qr{
1583 # match a pod interior sequence sans C<< >>
1584 (?:
1585 \ (.*?)\ (?{ $group = $^N })
1586 | < (??{$interior}) >
1587 )
1588}x;
1589
1590sub expand_cfpod {
1591 my ($self, $pod) = @_;
1592
1593 my $xml;
1594
1595 while () {
1596 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597 $group = $1;
1598
1599 $group =~ s/&/&amp;/g;
1600 $group =~ s/</&lt;/g;
1601
1602 $xml .= $group;
1603 } elsif ($pod =~ m%\G
1604 ([BCGHITU])
1605 <
1606 (?:
1607 ([^<>]*) (?{ $group = $^N })
1608 | < $interior >
1609 )
1610 >
1611 %gcsx
1612 ) {
1613 my ($code, $data) = ($1, $group);
1614
1615 if ($code eq "B") {
1616 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617 } elsif ($code eq "I") {
1618 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619 } elsif ($code eq "U") {
1620 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621 } elsif ($code eq "C") {
1622 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623 } elsif ($code eq "T") {
1624 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625 } elsif ($code eq "G") {
1626 my ($male, $female) = split /\|/, $data;
1627 $data = $self->gender ? $female : $male;
1628 $xml .= expand_cfpod ($self, $data);
1629 } elsif ($code eq "H") {
1630 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632 "")
1633 [$self->{hintmode}];
1634 } else {
1635 $xml .= "error processing '$code($data)' directive";
1636 }
1637 } else {
1638 if ($pod =~ /\G(.+)/) {
1639 warn "parse error while expanding $pod (at $1)";
1640 }
1641 last;
1642 }
1643 }
1644
1645 for ($xml) {
1646 # create single paragraphs (very hackish)
1647 s/(?<=\S)\n(?=\w)/ /g;
1648
1649 # compress some whitespace
1650 s/\s+\n/\n/g; # ws line-ends
1651 s/\n\n+/\n/g; # double lines
1652 s/^\n+//; # beginning lines
1653 s/\n+$//; # ending lines
1654 }
1655
1656 $xml
1657}
1658
1659no re 'eval';
1660
1661sub hintmode {
1662 $_[0]{hintmode} = $_[1] if @_ > 1;
1663 $_[0]{hintmode}
1664}
1665
1081=item $player->ext_reply ($msgid, $msgtype, %msg) 1666=item $player->ext_reply ($msgid, @msg)
1082 1667
1083Sends an ext reply to the player. 1668Sends an ext reply to the player.
1084 1669
1085=cut 1670=cut
1086 1671
1087sub ext_reply($$$%) { 1672sub ext_reply($$@) {
1088 my ($self, $id, %msg) = @_; 1673 my ($self, $id, @msg) = @_;
1089 1674
1090 $msg{msgid} = $id; 1675 $self->ns->ext_reply ($id, @msg)
1091
1092 $self->send ("ext " . cf::to_json \%msg);
1093} 1676}
1094 1677
1095package cf; 1678=item $player->ext_msg ($type, @msg)
1679
1680Sends an ext event to the client.
1681
1682=cut
1683
1684sub ext_msg($$@) {
1685 my ($self, $type, @msg) = @_;
1686
1687 $self->ns->ext_msg ($type, @msg);
1688}
1689
1690=head3 cf::region
1691
1692=over 4
1693
1694=cut
1695
1696package cf::region;
1697
1698=item cf::region::find_by_path $path
1699
1700Tries to decuce the likely region for a map knowing only its path.
1701
1702=cut
1703
1704sub find_by_path($) {
1705 my ($path) = @_;
1706
1707 my ($match, $specificity);
1708
1709 for my $region (list) {
1710 if ($region->{match} && $path =~ $region->{match}) {
1711 ($match, $specificity) = ($region, $region->specificity)
1712 if $region->specificity > $specificity;
1713 }
1714 }
1715
1716 $match
1717}
1096 1718
1097=back 1719=back
1098
1099 1720
1100=head3 cf::map 1721=head3 cf::map
1101 1722
1102=over 4 1723=over 4
1103 1724
… …
1107 1728
1108use Fcntl; 1729use Fcntl;
1109use Coro::AIO; 1730use Coro::AIO;
1110 1731
1111use overload 1732use overload
1112 '""' => \&as_string; 1733 '""' => \&as_string,
1734 fallback => 1;
1113 1735
1114our $MAX_RESET = 3600; 1736our $MAX_RESET = 3600;
1115our $DEFAULT_RESET = 3000; 1737our $DEFAULT_RESET = 3000;
1116 1738
1117sub generate_random_map { 1739sub generate_random_map {
1118 my ($self, $rmp) = @_; 1740 my ($self, $rmp) = @_;
1119
1120 # mit "rum" bekleckern, nicht 1741 # mit "rum" bekleckern, nicht
1121 $self->_create_random_map ( 1742 $self->_create_random_map (
1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1743 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1744 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1745 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1752 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132 (cf::region::find $rmp->{region}), $rmp->{custom} 1753 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 ) 1754 )
1134} 1755}
1135 1756
1757=item cf::map->register ($regex, $prio)
1758
1759Register a handler for the map path matching the given regex at the
1760givne priority (higher is better, built-in handlers have priority 0, the
1761default).
1762
1763=cut
1764
1136sub register { 1765sub register {
1137 my (undef, $regex) = @_; 1766 my (undef, $regex, $prio) = @_;
1138 my $pkg = caller; 1767 my $pkg = caller;
1139 1768
1140 no strict; 1769 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__; 1770 push @{"$pkg\::ISA"}, __PACKAGE__;
1142 1771
1143 $EXT_MAP{$pkg} = qr<$regex>; 1772 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144} 1773}
1145 1774
1146# also paths starting with '/' 1775# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1776$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1777
1778sub thawer_merge {
1779 my ($self, $merge) = @_;
1780
1781 # we have to keep some variables in memory intact
1782 local $self->{path};
1783 local $self->{load_path};
1784
1785 $self->SUPER::thawer_merge ($merge);
1786}
1148 1787
1149sub normalise { 1788sub normalise {
1150 my ($path, $base) = @_; 1789 my ($path, $base) = @_;
1790
1791 $path = "$path"; # make sure its a string
1792
1793 $path =~ s/\.map$//;
1151 1794
1152 # map plan: 1795 # map plan:
1153 # 1796 #
1154 # /! non-realised random map exit (special hack!) 1797 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched 1798 # {... are special paths that are not being touched
… …
1183 1826
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1827 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185 1828
1186 $path = normalise $path, $base; 1829 $path = normalise $path, $base;
1187 1830
1188 for my $pkg (keys %EXT_MAP) { 1831 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) { 1832 if ($path =~ $EXT_MAP{$pkg}[1]) {
1190 my $self = bless cf::map::new, $pkg; 1833 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path); 1834 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc. 1835 $self->init; # pass $1 etc.
1193 return $self; 1836 return $self;
1194 } 1837 }
1195 } 1838 }
1196 1839
1197 Carp::carp "unable to resolve path '$path'."; 1840 Carp::cluck "unable to resolve path '$path' (base '$base').";
1198 () 1841 ()
1199} 1842}
1200 1843
1201sub init { 1844sub init {
1202 my ($self) = @_; 1845 my ($self) = @_;
… …
1217 1860
1218# the original (read-only) location 1861# the original (read-only) location
1219sub load_path { 1862sub load_path {
1220 my ($self) = @_; 1863 my ($self) = @_;
1221 1864
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1865 "$MAPDIR/$self->{path}.map"
1223} 1866}
1224 1867
1225# the temporary/swap location 1868# the temporary/swap location
1226sub save_path { 1869sub save_path {
1227 my ($self) = @_; 1870 my ($self) = @_;
1228 1871
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1872 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1873 "$TMPDIR/$path.map"
1231} 1874}
1232 1875
1233# the unique path, undef == no special unique path 1876# the unique path, undef == no special unique path
1234sub uniq_path { 1877sub uniq_path {
1235 my ($self) = @_; 1878 my ($self) = @_;
1236 1879
1237 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1880 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1881 "$UNIQUEDIR/$path"
1239} 1882}
1240 1883
1241# and all this just because we cannot iterate over 1884# and all this just because we cannot iterate over
1242# all maps in C++... 1885# all maps in C++...
1243sub change_all_map_light { 1886sub change_all_map_light {
… …
1245 1888
1246 $_->change_map_light ($change) 1889 $_->change_map_light ($change)
1247 for grep $_->outdoor, values %cf::MAP; 1890 for grep $_->outdoor, values %cf::MAP;
1248} 1891}
1249 1892
1893sub decay_objects {
1894 my ($self) = @_;
1895
1896 return if $self->{deny_reset};
1897
1898 $self->do_decay_objects;
1899}
1900
1250sub unlink_save { 1901sub unlink_save {
1251 my ($self) = @_; 1902 my ($self) = @_;
1252 1903
1253 utf8::encode (my $save = $self->save_path); 1904 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1905 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256} 1907}
1257 1908
1258sub load_header_from($) { 1909sub load_header_from($) {
1259 my ($self, $path) = @_; 1910 my ($self, $path) = @_;
1260 1911
1261 utf8::encode $path; 1912 utf8::encode $path;
1262 aio_open $path, O_RDONLY, 0 1913 my $f = new_from_file cf::object::thawer $path
1263 or return; 1914 or return;
1264 1915
1265 $self->_load_header ($path) 1916 $self->_load_header ($f)
1266 or return; 1917 or return;
1267 1918
1919 local $MAP_LOADING{$self->{path}} = $self;
1920 $f->resolve_delayed_derefs;
1921
1268 $self->{load_path} = $path; 1922 $self->{load_path} = $path;
1269 1923
1270 1 1924 1
1271} 1925}
1272 1926
1273sub load_orig { 1927sub load_header_orig {
1274 my ($self) = @_; 1928 my ($self) = @_;
1275 1929
1276 $self->load_header_from ($self->load_path) 1930 $self->load_header_from ($self->load_path)
1277} 1931}
1278 1932
1279sub load_temp { 1933sub load_header_temp {
1280 my ($self) = @_; 1934 my ($self) = @_;
1281 1935
1282 $self->load_header_from ($self->save_path) 1936 $self->load_header_from ($self->save_path)
1937}
1938
1939sub prepare_temp {
1940 my ($self) = @_;
1941
1942 $self->last_access ((delete $self->{last_access})
1943 || $cf::RUNTIME); #d#
1944 # safety
1945 $self->{instantiate_time} = $cf::RUNTIME
1946 if $self->{instantiate_time} > $cf::RUNTIME;
1947}
1948
1949sub prepare_orig {
1950 my ($self) = @_;
1951
1952 $self->{load_original} = 1;
1953 $self->{instantiate_time} = $cf::RUNTIME;
1954 $self->last_access ($cf::RUNTIME);
1955 $self->instantiate;
1283} 1956}
1284 1957
1285sub load_header { 1958sub load_header {
1286 my ($self) = @_; 1959 my ($self) = @_;
1287 1960
1288 if ($self->load_temp) { 1961 if ($self->load_header_temp) {
1289 $self->last_access ((delete $self->{last_access}) 1962 $self->prepare_temp;
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else { 1963 } else {
1295 $self->load_orig 1964 $self->load_header_orig
1296 or return; 1965 or return;
1297 1966 $self->prepare_orig;
1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 } 1967 }
1968
1969 $self->{deny_reset} = 1
1970 if $self->no_reset;
1971
1972 $self->default_region (cf::region::find_by_path $self->{path})
1973 unless $self->default_region;
1303 1974
1304 1 1975 1
1305} 1976}
1306 1977
1307sub find; 1978sub find;
1308sub find { 1979sub find {
1309 my ($path, $origin) = @_; 1980 my ($path, $origin) = @_;
1310 1981
1311 $path = normalise $path, $origin && $origin->path; 1982 $path = normalise $path, $origin && $origin->path;
1312 1983
1984 cf::lock_wait "map_data:$path";#d#remove
1313 cf::lock_wait "map_find:$path"; 1985 cf::lock_wait "map_find:$path";
1314 1986
1315 $cf::MAP{$path} || do { 1987 $cf::MAP{$path} || do {
1316 my $guard = cf::lock_acquire "map_find:$path"; 1988 my $guard1 = cf::lock_acquire "map_find:$path";
1989 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1990
1317 my $map = new_from_path cf::map $path 1991 my $map = new_from_path cf::map $path
1318 or return; 1992 or return;
1319 1993
1320 $map->{last_save} = $cf::RUNTIME; 1994 $map->{last_save} = $cf::RUNTIME;
1321 1995
1322 $map->load_header 1996 $map->load_header
1323 or return; 1997 or return;
1324 1998
1325 if ($map->should_reset) { 1999 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2000 # doing this can freeze the server in a sync job, obviously
2001 #$cf::WAIT_FOR_TICK->wait;
2002 undef $guard1;
2003 undef $guard2;
1326 $map->reset; 2004 $map->reset;
1327 undef $guard;
1328 $map = find $path 2005 return find $path;
1329 or return;
1330 } 2006 }
1331 2007
1332 $cf::MAP{$path} = $map 2008 $cf::MAP{$path} = $map
1333 } 2009 }
1334} 2010}
2011
2012sub pre_load { }
2013sub post_load { }
1335 2014
1336sub load { 2015sub load {
1337 my ($self) = @_; 2016 my ($self) = @_;
1338 2017
2018 local $self->{deny_reset} = 1; # loading can take a long time
2019
1339 my $path = $self->{path}; 2020 my $path = $self->{path};
2021
2022 {
1340 my $guard = cf::lock_acquire "map_load:$path"; 2023 my $guard = cf::lock_acquire "map_data:$path";
1341 2024
2025 return unless $self->valid;
1342 return if $self->in_memory != cf::MAP_SWAPPED; 2026 return unless $self->in_memory == cf::MAP_SWAPPED;
1343 2027
1344 $self->in_memory (cf::MAP_LOADING); 2028 $self->in_memory (cf::MAP_LOADING);
1345 2029
1346 $self->alloc; 2030 $self->alloc;
1347 $self->_load_objects ($self->{load_path}, 1) 2031
2032 $self->pre_load;
2033 cf::cede_to_tick;
2034
2035 my $f = new_from_file cf::object::thawer $self->{load_path};
2036 $f->skip_block;
2037 $self->_load_objects ($f)
1348 or return; 2038 or return;
1349 2039
1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2040 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351 if delete $self->{load_original}; 2041 if delete $self->{load_original};
1352 2042
1353 if (my $uniq = $self->uniq_path) { 2043 if (my $uniq = $self->uniq_path) {
1354 utf8::encode $uniq; 2044 utf8::encode $uniq;
1355 if (aio_open $uniq, O_RDONLY, 0) { 2045 unless (aio_stat $uniq) {
2046 if (my $f = new_from_file cf::object::thawer $uniq) {
1356 $self->clear_unique_items; 2047 $self->clear_unique_items;
1357 $self->_load_objects ($uniq, 0); 2048 $self->_load_objects ($f);
2049 $f->resolve_delayed_derefs;
2050 }
1358 } 2051 }
1359 } 2052 }
1360 2053
1361 Coro::cede; 2054 $f->resolve_delayed_derefs;
1362 2055
2056 cf::cede_to_tick;
1363 # now do the right thing for maps 2057 # now do the right thing for maps
1364 $self->link_multipart_objects; 2058 $self->link_multipart_objects;
1365
1366 unless ($self->{deny_activate}) {
1367 $self->decay_objects;
1368 $self->fix_auto_apply;
1369 $self->update_buttons;
1370 Coro::cede;
1371 $self->set_darkness_map;
1372 $self->difficulty ($self->estimate_difficulty) 2059 $self->difficulty ($self->estimate_difficulty)
1373 unless $self->difficulty; 2060 unless $self->difficulty;
1374 Coro::cede; 2061 cf::cede_to_tick;
2062
2063 unless ($self->{deny_activate}) {
2064 $self->decay_objects;
2065 $self->fix_auto_apply;
2066 $self->update_buttons;
2067 cf::cede_to_tick;
2068 $self->set_darkness_map;
2069 cf::cede_to_tick;
1375 $self->activate; 2070 $self->activate;
1376 } 2071 }
1377 2072
2073 $self->{last_save} = $cf::RUNTIME;
2074 $self->last_access ($cf::RUNTIME);
2075
1378 $self->in_memory (cf::MAP_IN_MEMORY); 2076 $self->in_memory (cf::MAP_IN_MEMORY);
2077 }
2078
2079 $self->post_load;
1379} 2080}
1380 2081
1381sub customise_for { 2082sub customise_for {
1382 my ($self, $ob) = @_; 2083 my ($self, $ob) = @_;
1383 2084
1384 return find "~" . $ob->name . "/" . $self->{path} 2085 return find "~" . $ob->name . "/" . $self->{path}
1385 if $self->per_player; 2086 if $self->per_player;
1386 2087
2088# return find "?party/" . $ob->name . "/" . $self->{path}
2089# if $self->per_party;
2090
1387 $self 2091 $self
1388} 2092}
1389 2093
1390# find and load all maps in the 3x3 area around a map 2094# find and load all maps in the 3x3 area around a map
1391sub load_diag { 2095sub load_neighbours {
1392 my ($map) = @_; 2096 my ($map) = @_;
1393 2097
1394 my @diag; # diagonal neighbours 2098 my @neigh; # diagonal neighbours
1395 2099
1396 for (0 .. 3) { 2100 for (0 .. 3) {
1397 my $neigh = $map->tile_path ($_) 2101 my $neigh = $map->tile_path ($_)
1398 or next; 2102 or next;
1399 $neigh = find $neigh, $map 2103 $neigh = find $neigh, $map
1400 or next; 2104 or next;
1401 $neigh->load; 2105 $neigh->load;
1402 2106
2107 push @neigh,
1403 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2108 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1404 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2109 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1405 } 2110 }
1406 2111
1407 for (@diag) { 2112 for (grep defined $_->[0], @neigh) {
2113 my ($path, $origin) = @$_;
1408 my $neigh = find @$_ 2114 my $neigh = find $path, $origin
1409 or next; 2115 or next;
1410 $neigh->load; 2116 $neigh->load;
1411 } 2117 }
1412} 2118}
1413 2119
… …
1418} 2124}
1419 2125
1420sub do_load_sync { 2126sub do_load_sync {
1421 my ($map) = @_; 2127 my ($map) = @_;
1422 2128
2129 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2130 if $Coro::current == $Coro::main;
2131
1423 cf::sync_job { $map->load }; 2132 cf::sync_job { $map->load };
1424} 2133}
1425 2134
1426our %MAP_PREFETCH; 2135our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async { 2136our $MAP_PREFETCHER = undef;
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439 2137
1440sub find_async { 2138sub find_async {
1441 my ($path, $origin) = @_; 2139 my ($path, $origin, $load) = @_;
1442 2140
1443 $path = normalise $path, $origin && $origin->{path}; 2141 $path = normalise $path, $origin && $origin->{path};
1444 2142
1445 if (my $map = $cf::MAP{$path}) { 2143 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2144 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2145 }
2146
2147 $MAP_PREFETCH{$path} |= $load;
2148
2149 $MAP_PREFETCHER ||= cf::async {
2150 $Coro::current->{desc} = "map prefetcher";
2151
2152 while (%MAP_PREFETCH) {
2153 while (my ($k, $v) = each %MAP_PREFETCH) {
2154 if (my $map = find $k) {
2155 $map->load if $v;
2156 }
2157
2158 delete $MAP_PREFETCH{$k};
2159 }
2160 }
2161 undef $MAP_PREFETCHER;
1447 } 2162 };
1448
1449 $MAP_PREFETCH{$path} = 0;
1450 $MAP_PREFETCHER->ready; 2163 $MAP_PREFETCHER->prio (6);
1451 2164
1452 () 2165 ()
1453} 2166}
1454 2167
1455sub save { 2168sub save {
1456 my ($self) = @_; 2169 my ($self) = @_;
1457 2170
1458 my $lock = cf::lock_acquire "map_data:" . $self->path; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1459 2172
1460 $self->{last_save} = $cf::RUNTIME; 2173 $self->{last_save} = $cf::RUNTIME;
1461 2174
1462 return unless $self->dirty; 2175 return unless $self->dirty;
1463 2176
… …
1469 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1470 2183
1471 local $self->{last_access} = $self->last_access;#d# 2184 local $self->{last_access} = $self->last_access;#d#
1472 2185
1473 cf::async { 2186 cf::async {
2187 $Coro::current->{desc} = "map player save";
1474 $_->contr->save for $self->players; 2188 $_->contr->save for $self->players;
1475 }; 2189 };
1476 2190
1477 if ($uniq) { 2191 if ($uniq) {
1478 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2192 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1486 my ($self) = @_; 2200 my ($self) = @_;
1487 2201
1488 # save first because save cedes 2202 # save first because save cedes
1489 $self->save; 2203 $self->save;
1490 2204
1491 my $lock = cf::lock_acquire "map_data:" . $self->path; 2205 my $lock = cf::lock_acquire "map_data:$self->{path}";
1492 2206
1493 return if $self->players; 2207 return if $self->players;
1494 return if $self->in_memory != cf::MAP_IN_MEMORY; 2208 return if $self->in_memory != cf::MAP_IN_MEMORY;
1495 return if $self->{deny_save}; 2209 return if $self->{deny_save};
1496 2210
2211 $self->in_memory (cf::MAP_SWAPPED);
2212
2213 $self->deactivate;
2214 $_->clear_links_to ($self) for values %cf::MAP;
1497 $self->clear; 2215 $self->clear;
1498 $self->in_memory (cf::MAP_SWAPPED);
1499} 2216}
1500 2217
1501sub reset_at { 2218sub reset_at {
1502 my ($self) = @_; 2219 my ($self) = @_;
1503 2220
1504 # TODO: safety, remove and allow resettable per-player maps 2221 # TODO: safety, remove and allow resettable per-player maps
1505 return 1e99 if $self->isa ("ext::map_per_player");#d#
1506 return 1e99 if $self->{deny_reset}; 2222 return 1e99 if $self->{deny_reset};
1507 2223
1508 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2224 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2225 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510 2226
… …
1515 my ($self) = @_; 2231 my ($self) = @_;
1516 2232
1517 $self->reset_at <= $cf::RUNTIME 2233 $self->reset_at <= $cf::RUNTIME
1518} 2234}
1519 2235
1520sub rename {
1521 my ($self, $new_path) = @_;
1522
1523 normalise $new_path;
1524
1525 $self->unlink_save;
1526
1527 delete $cf::MAP{$self->path};
1528 $self->{path} = $new_path; $self->path ($self->{path});
1529 $cf::MAP{$self->path} = $self;
1530
1531 $self->save;
1532}
1533
1534sub reset { 2236sub reset {
1535 my ($self) = @_; 2237 my ($self) = @_;
1536 2238
1537 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2239 my $lock = cf::lock_acquire "map_data:$self->{path}";
1538 2240
1539 return if $self->players; 2241 return if $self->players;
1540 return if $self->isa ("ext::map_per_player");#d#
1541 2242
1542 warn "resetting map ", $self->path;#d# 2243 warn "resetting map ", $self->path;
2244
2245 $self->in_memory (cf::MAP_SWAPPED);
2246
2247 # need to save uniques path
2248 unless ($self->{deny_save}) {
2249 my $uniq = $self->uniq_path; utf8::encode $uniq;
2250
2251 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2252 if $uniq;
2253 }
1543 2254
1544 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1545 2256
1546 $self->in_memory (cf::MAP_SWAPPED); 2257 $self->deactivate;
2258 $_->clear_links_to ($self) for values %cf::MAP;
1547 $self->clear; 2259 $self->clear;
1548
1549 $_->clear_links_to ($self) for values %cf::MAP;
1550 2260
1551 $self->unlink_save; 2261 $self->unlink_save;
1552 $self->destroy; 2262 $self->destroy;
1553} 2263}
1554 2264
1555my $nuke_counter = "aaaa"; 2265my $nuke_counter = "aaaa";
1556 2266
1557sub nuke { 2267sub nuke {
1558 my ($self) = @_; 2268 my ($self) = @_;
1559 2269
2270 {
2271 my $lock = cf::lock_acquire "map_data:$self->{path}";
2272
2273 delete $cf::MAP{$self->path};
2274
2275 $self->unlink_save;
2276
2277 bless $self, "cf::map";
2278 delete $self->{deny_reset};
1560 $self->{deny_save} = 1; 2279 $self->{deny_save} = 1;
1561 $self->reset_timeout (1); 2280 $self->reset_timeout (1);
1562 $self->rename ("{nuke}/" . ($nuke_counter++)); 2281 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2282
2283 $cf::MAP{$self->path} = $self;
2284 }
2285
1563 $self->reset; # polite request, might not happen 2286 $self->reset; # polite request, might not happen
2287}
2288
2289=item $maps = cf::map::tmp_maps
2290
2291Returns an arrayref with all map paths of currently instantiated and saved
2292maps. May block.
2293
2294=cut
2295
2296sub tmp_maps() {
2297 [
2298 map {
2299 utf8::decode $_;
2300 /\.map$/
2301 ? normalise $_
2302 : ()
2303 } @{ aio_readdir $TMPDIR or [] }
2304 ]
2305}
2306
2307=item $maps = cf::map::random_maps
2308
2309Returns an arrayref with all map paths of currently instantiated and saved
2310random maps. May block.
2311
2312=cut
2313
2314sub random_maps() {
2315 [
2316 map {
2317 utf8::decode $_;
2318 /\.map$/
2319 ? normalise "?random/$_"
2320 : ()
2321 } @{ aio_readdir $RANDOMDIR or [] }
2322 ]
1564} 2323}
1565 2324
1566=item cf::map::unique_maps 2325=item cf::map::unique_maps
1567 2326
1568Returns an arrayref of paths of all shared maps that have 2327Returns an arrayref of paths of all shared maps that have
1569instantiated unique items. May block. 2328instantiated unique items. May block.
1570 2329
1571=cut 2330=cut
1572 2331
1573sub unique_maps() { 2332sub unique_maps() {
1574 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2333 [
1575 or return; 2334 map {
1576
1577 my @paths;
1578
1579 for (@$files) {
1580 utf8::decode $_; 2335 utf8::decode $_;
1581 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o;
1583
1584 s/\.map$//; 2336 /\.map$/
1585 push @paths, $_; 2337 ? normalise $_
2338 : ()
2339 } @{ aio_readdir $UNIQUEDIR or [] }
1586 } 2340 ]
1587
1588 \@paths
1589} 2341}
1590 2342
1591package cf; 2343package cf;
1592 2344
1593=back 2345=back
… …
1611 map { $_, inv_recursive_ $_->inv } @_ 2363 map { $_, inv_recursive_ $_->inv } @_
1612} 2364}
1613 2365
1614sub inv_recursive { 2366sub inv_recursive {
1615 inv_recursive_ inv $_[0] 2367 inv_recursive_ inv $_[0]
2368}
2369
2370=item $ref = $ob->ref
2371
2372creates and returns a persistent reference to an objetc that can be stored as a string.
2373
2374=item $ob = cf::object::deref ($refstring)
2375
2376returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377even if the object actually exists. May block.
2378
2379=cut
2380
2381sub deref {
2382 my ($ref) = @_;
2383
2384 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2385 my ($uuid, $name) = ($1, $2);
2386 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2387 or return;
2388 $pl->ob->uuid eq $uuid
2389 or return;
2390
2391 $pl->ob
2392 } else {
2393 warn "$ref: cannot resolve object reference\n";
2394 undef
2395 }
1616} 2396}
1617 2397
1618package cf; 2398package cf;
1619 2399
1620=back 2400=back
… …
1639 2419
1640 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641 2421
1642 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1643 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1644 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1645 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1646 $self->message ($msg, $flags); 2434 $self->message ($msg, $flags);
2435 }
1647 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1648} 2447}
1649 2448
1650=item $player_object->may ("access") 2449=item $player_object->may ("access")
1651 2450
1652Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
… …
1684=cut 2483=cut
1685 2484
1686sub link_map { 2485sub link_map {
1687 unless ($LINK_MAP) { 2486 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}" 2487 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2488 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690 $LINK_MAP->load; 2489 $LINK_MAP->load;
1691 } 2490 }
1692 2491
1693 $LINK_MAP 2492 $LINK_MAP
1694} 2493}
… …
1699 $self->deactivate_recursive; 2498 $self->deactivate_recursive;
1700 2499
1701 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2500 return if UNIVERSAL::isa $self->map, "ext::map_link";
1702 2501
1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704 if $self->map; 2503 if $self->map && $self->map->{path} ne "{link}";
1705 2504
1706 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2505 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1707} 2506}
1708 2507
1709sub cf::object::player::leave_link { 2508sub cf::object::player::leave_link {
1710 my ($self, $map, $x, $y) = @_; 2509 my ($self, $map, $x, $y) = @_;
2510
2511 return unless $self->contr->active;
1711 2512
1712 my $link_pos = delete $self->{_link_pos}; 2513 my $link_pos = delete $self->{_link_pos};
1713 2514
1714 unless ($map) { 2515 unless ($map) {
1715 # restore original map position 2516 # restore original map position
… …
1729 # use -1 or undef as default coordinates, not 0, 0 2530 # use -1 or undef as default coordinates, not 0, 0
1730 ($x, $y) = ($map->enter_x, $map->enter_y) 2531 ($x, $y) = ($map->enter_x, $map->enter_y)
1731 if $x <=0 && $y <= 0; 2532 if $x <=0 && $y <= 0;
1732 2533
1733 $map->load; 2534 $map->load;
1734 $map->load_diag; 2535 $map->load_neighbours;
1735 2536
1736 return unless $self->contr->active; 2537 return unless $self->contr->active;
1737 $self->activate_recursive; 2538 $self->activate_recursive;
2539
2540 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738 $self->enter_map ($map, $x, $y); 2541 $self->enter_map ($map, $x, $y);
1739} 2542}
1740 2543
1741cf::player->attach ( 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742 on_logout => sub {
1743 my ($pl) = @_;
1744 2545
1745 # abort map switching before logout 2546Moves the player to the given map-path and coordinates by first freezing
1746 if ($pl->ob->{_link_pos}) { 2547her, loading and preparing them map, calling the provided $check callback
1747 cf::sync_job { 2548that has to return the map if sucecssful, and then unfreezes the player on
1748 $pl->ob->leave_link 2549the new (success) or old (failed) map position. In either case, $done will
1749 }; 2550be called at the end of this process.
1750 }
1751 },
1752 on_login => sub {
1753 my ($pl) = @_;
1754 2551
1755 # try to abort aborted map switching on player login :)
1756 # should happen only on crashes
1757 if ($pl->ob->{_link_pos}) {
1758 $pl->ob->enter_link;
1759 (async {
1760 # we need this sleep as the login has a concurrent enter_exit running
1761 # and this sleep increases chances of the player not ending up in scorn
1762 $pl->ob->reply (undef,
1763 "There was an internal problem at your last logout, "
1764 . "the server will try to bring you to your intended destination in a second.",
1765 cf::NDI_RED);
1766 Coro::Timer::sleep 1;
1767 $pl->ob->leave_link;
1768 })->prio (2);
1769 }
1770 },
1771);
1772
1773=item $player_object->goto ($path, $x, $y)
1774
1775=cut 2552=cut
2553
2554our $GOTOGEN;
1776 2555
1777sub cf::object::player::goto { 2556sub cf::object::player::goto {
1778 my ($self, $path, $x, $y) = @_; 2557 my ($self, $path, $x, $y, $check, $done) = @_;
2558
2559 # do generation counting so two concurrent goto's will be executed in-order
2560 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779 2561
1780 $self->enter_link; 2562 $self->enter_link;
1781 2563
1782 (async { 2564 (async {
1783 my $map = cf::map::find $path; 2565 $Coro::current->{desc} = "player::goto $path $x $y";
2566
2567 # *tag paths override both path and x|y
2568 if ($path =~ /^\*(.*)$/) {
2569 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2570 my $ob = $obs[rand @obs];
2571
2572 # see if we actually can go there
2573 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2574 $ob = $obs[rand @obs];
2575 } else {
2576 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2577 }
2578 # else put us there anyways for now #d#
2579
2580 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2581 } else {
2582 ($path, $x, $y) = (undef, undef, undef);
2583 }
2584 }
2585
2586 my $map = eval {
2587 my $map = defined $path ? cf::map::find $path : undef;
2588
2589 if ($map) {
1784 $map = $map->customise_for ($self) if $map; 2590 $map = $map->customise_for ($self);
1785 2591 $map = $check->($map) if $check && $map;
1786# warn "entering ", $map->path, " at ($x, $y)\n" 2592 } else {
1787# if $map;
1788
1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2593 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2594 }
1790 2595
2596 $map
2597 };
2598
2599 if ($@) {
2600 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2601 LOG llevError | logBacktrace, Carp::longmess $@;
2602 }
2603
2604 if ($gen == $self->{_goto_generation}) {
2605 delete $self->{_goto_generation};
1791 $self->leave_link ($map, $x, $y); 2606 $self->leave_link ($map, $x, $y);
2607 }
2608
2609 $done->() if $done;
1792 })->prio (1); 2610 })->prio (1);
1793} 2611}
1794 2612
1795=item $player_object->enter_exit ($exit_object) 2613=item $player_object->enter_exit ($exit_object)
1796 2614
… …
1798 2616
1799sub parse_random_map_params { 2617sub parse_random_map_params {
1800 my ($spec) = @_; 2618 my ($spec) = @_;
1801 2619
1802 my $rmp = { # defaults 2620 my $rmp = { # defaults
1803 xsize => 10, 2621 xsize => (cf::rndm 15, 40),
1804 ysize => 10, 2622 ysize => (cf::rndm 15, 40),
2623 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2624 #layout => string,
1805 }; 2625 };
1806 2626
1807 for (split /\n/, $spec) { 2627 for (split /\n/, $spec) {
1808 my ($k, $v) = split /\s+/, $_, 2; 2628 my ($k, $v) = split /\s+/, $_, 2;
1809 2629
… …
1813 $rmp 2633 $rmp
1814} 2634}
1815 2635
1816sub prepare_random_map { 2636sub prepare_random_map {
1817 my ($exit) = @_; 2637 my ($exit) = @_;
2638
2639 my $guard = cf::lock_acquire "exit_prepare:$exit";
1818 2640
1819 # all this does is basically replace the /! path by 2641 # all this does is basically replace the /! path by
1820 # a new random map path (?random/...) with a seed 2642 # a new random map path (?random/...) with a seed
1821 # that depends on the exit object 2643 # that depends on the exit object
1822 2644
1823 my $rmp = parse_random_map_params $exit->msg; 2645 my $rmp = parse_random_map_params $exit->msg;
1824 2646
1825 if ($exit->map) { 2647 if ($exit->map) {
1826 $rmp->{region} = $exit->map->region_name; 2648 $rmp->{region} = $exit->region->name;
1827 $rmp->{origin_map} = $exit->map->path; 2649 $rmp->{origin_map} = $exit->map->path;
1828 $rmp->{origin_x} = $exit->x; 2650 $rmp->{origin_x} = $exit->x;
1829 $rmp->{origin_y} = $exit->y; 2651 $rmp->{origin_y} = $exit->y;
1830 } 2652 }
1831 2653
1832 $rmp->{random_seed} ||= $exit->random_seed; 2654 $rmp->{random_seed} ||= $exit->random_seed;
1833 2655
1834 my $data = cf::to_json $rmp; 2656 my $data = cf::encode_json $rmp;
1835 my $md5 = Digest::MD5::md5_hex $data; 2657 my $md5 = Digest::MD5::md5_hex $data;
2658 my $meta = "$RANDOMDIR/$md5.meta";
1836 2659
1837 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2660 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838 aio_write $fh, 0, (length $data), $data, 0; 2661 aio_write $fh, 0, (length $data), $data, 0;
2662 undef $fh;
2663 aio_rename "$meta~", $meta;
1839 2664
1840 $exit->slaying ("?random/$md5"); 2665 $exit->slaying ("?random/$md5");
1841 $exit->msg (undef); 2666 $exit->msg (undef);
1842 } 2667 }
1843} 2668}
… …
1845sub cf::object::player::enter_exit { 2670sub cf::object::player::enter_exit {
1846 my ($self, $exit) = @_; 2671 my ($self, $exit) = @_;
1847 2672
1848 return unless $self->type == cf::PLAYER; 2673 return unless $self->type == cf::PLAYER;
1849 2674
2675 if ($exit->slaying eq "/!") {
2676 #TODO: this should de-fi-ni-te-ly not be a sync-job
2677 # the problem is that $exit might not survive long enough
2678 # so it needs to be done right now, right here
2679 cf::sync_job { prepare_random_map $exit };
2680 }
2681
2682 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683 my $hp = $exit->stats->hp;
2684 my $sp = $exit->stats->sp;
2685
1850 $self->enter_link; 2686 $self->enter_link;
1851 2687
2688 # if exit is damned, update players death & WoR home-position
2689 $self->contr->savebed ($slaying, $hp, $sp)
2690 if $exit->flag (FLAG_DAMNED);
2691
1852 (async { 2692 (async {
2693 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2694
1853 $self->deactivate_recursive; # just to be sure 2695 $self->deactivate_recursive; # just to be sure
1854 unless (eval { 2696 unless (eval {
1855 prepare_random_map $exit 2697 $self->goto ($slaying, $hp, $sp);
1856 if $exit->slaying eq "/!";
1857
1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860 2698
1861 1; 2699 1;
1862 }) { 2700 }) {
1863 $self->message ("Something went wrong deep within the crossfire server. " 2701 $self->message ("Something went wrong deep within the crossfire server. "
1864 . "I'll try to bring you back to the map you were before. " 2702 . "I'll try to bring you back to the map you were before. "
1865 . "Please report this to the dungeon master!", 2703 . "Please report this to the dungeon master!",
1866 cf::NDI_UNIQUE | cf::NDI_RED); 2704 cf::NDI_UNIQUE | cf::NDI_RED);
1867 2705
1868 warn "ERROR in enter_exit: $@"; 2706 warn "ERROR in enter_exit: $@";
1869 $self->leave_link; 2707 $self->leave_link;
1870 } 2708 }
1871 })->prio (1); 2709 })->prio (1);
… …
1884 2722
1885sub cf::client::send_drawinfo { 2723sub cf::client::send_drawinfo {
1886 my ($self, $text, $flags) = @_; 2724 my ($self, $text, $flags) = @_;
1887 2725
1888 utf8::encode $text; 2726 utf8::encode $text;
1889 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2727 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890} 2728}
1891 2729
2730=item $client->send_msg ($channel, $msg, $color, [extra...])
2731
2732Send a drawinfo or msg packet to the client, formatting the msg for the
2733client if neccessary. C<$type> should be a string identifying the type of
2734the message, with C<log> being the default. If C<$color> is negative, suppress
2735the message unless the client supports the msg packet.
2736
2737=cut
2738
2739# non-persistent channels (usually the info channel)
2740our %CHANNEL = (
2741 "c/identify" => {
2742 id => "infobox",
2743 title => "Identify",
2744 reply => undef,
2745 tooltip => "Items recently identified",
2746 },
2747 "c/examine" => {
2748 id => "infobox",
2749 title => "Examine",
2750 reply => undef,
2751 tooltip => "Signs and other items you examined",
2752 },
2753 "c/book" => {
2754 id => "infobox",
2755 title => "Book",
2756 reply => undef,
2757 tooltip => "The contents of a note or book",
2758 },
2759 "c/lookat" => {
2760 id => "infobox",
2761 title => "Look",
2762 reply => undef,
2763 tooltip => "What you saw there",
2764 },
2765 "c/who" => {
2766 id => "infobox",
2767 title => "Players",
2768 reply => undef,
2769 tooltip => "Shows players who are currently online",
2770 },
2771 "c/body" => {
2772 id => "infobox",
2773 title => "Body Parts",
2774 reply => undef,
2775 tooltip => "Shows which body parts you posess and are available",
2776 },
2777 "c/uptime" => {
2778 id => "infobox",
2779 title => "Uptime",
2780 reply => undef,
2781 tooltip => "How long the server has been running since last restart",
2782 },
2783 "c/mapinfo" => {
2784 id => "infobox",
2785 title => "Map Info",
2786 reply => undef,
2787 tooltip => "Information related to the maps",
2788 },
2789);
2790
2791sub cf::client::send_msg {
2792 my ($self, $channel, $msg, $color, @extra) = @_;
2793
2794 $msg = $self->pl->expand_cfpod ($msg);
2795
2796 $color &= cf::NDI_CLIENT_MASK; # just in case...
2797
2798 # check predefined channels, for the benefit of C
2799 if ($CHANNEL{$channel}) {
2800 $channel = $CHANNEL{$channel};
2801
2802 $self->ext_msg (channel_info => $channel)
2803 if $self->can_msg;
2804
2805 $channel = $channel->{id};
2806
2807 } elsif (ref $channel) {
2808 # send meta info to client, if not yet sent
2809 unless (exists $self->{channel}{$channel->{id}}) {
2810 $self->{channel}{$channel->{id}} = $channel;
2811 $self->ext_msg (channel_info => $channel)
2812 if $self->can_msg;
2813 }
2814
2815 $channel = $channel->{id};
2816 }
2817
2818 return unless @extra || length $msg;
2819
2820 if ($self->can_msg) {
2821 # default colour, mask it out
2822 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823 if $color & cf::NDI_DEF;
2824
2825 $self->send_packet ("msg " . $self->{json_coder}->encode (
2826 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2827 } else {
2828 if ($color >= 0) {
2829 # replace some tags by gcfclient-compatible ones
2830 for ($msg) {
2831 1 while
2832 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837 }
2838
2839 $color &= cf::NDI_COLOR_MASK;
2840
2841 utf8::encode $msg;
2842
2843 if (0 && $msg =~ /\[/) {
2844 # COMMAND/INFO
2845 $self->send_packet ("drawextinfo $color 10 8 $msg")
2846 } else {
2847 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848 $self->send_packet ("drawinfo $color $msg")
2849 }
2850 }
2851 }
2852}
2853
2854=item $client->ext_msg ($type, @msg)
2855
2856Sends an ext event to the client.
2857
2858=cut
2859
2860sub cf::client::ext_msg($$@) {
2861 my ($self, $type, @msg) = @_;
2862
2863 if ($self->extcmd == 2) {
2864 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865 } elsif ($self->extcmd == 1) { # TODO: remove
2866 push @msg, msgtype => "event_$type";
2867 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2868 }
2869}
2870
2871=item $client->ext_reply ($msgid, @msg)
2872
2873Sends an ext reply to the client.
2874
2875=cut
2876
2877sub cf::client::ext_reply($$@) {
2878 my ($self, $id, @msg) = @_;
2879
2880 if ($self->extcmd == 2) {
2881 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2882 } elsif ($self->extcmd == 1) {
2883 #TODO: version 1, remove
2884 unshift @msg, msgtype => "reply", msgid => $id;
2885 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2886 }
2887}
1892 2888
1893=item $success = $client->query ($flags, "text", \&cb) 2889=item $success = $client->query ($flags, "text", \&cb)
1894 2890
1895Queues a query to the client, calling the given callback with 2891Queues a query to the client, calling the given callback with
1896the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2892the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2893C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898 2894
1899Queries can fail, so check the return code. Or don't, as queries will become 2895Queries can fail, so check the return code. Or don't, as queries will
1900reliable at some point in the future. 2896become reliable at some point in the future.
1901 2897
1902=cut 2898=cut
1903 2899
1904sub cf::client::query { 2900sub cf::client::query {
1905 my ($self, $flags, $text, $cb) = @_; 2901 my ($self, $flags, $text, $cb) = @_;
… …
1913 utf8::encode $text; 2909 utf8::encode $text;
1914 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2910 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915 2911
1916 $self->send_packet ($self->{query_queue}[0][0]) 2912 $self->send_packet ($self->{query_queue}[0][0])
1917 if @{ $self->{query_queue} } == 1; 2913 if @{ $self->{query_queue} } == 1;
2914
2915 1
1918} 2916}
1919 2917
1920cf::client->attach ( 2918cf::client->attach (
2919 on_connect => sub {
2920 my ($ns) = @_;
2921
2922 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2923 },
1921 on_reply => sub { 2924 on_reply => sub {
1922 my ($ns, $msg) = @_; 2925 my ($ns, $msg) = @_;
1923 2926
1924 # this weird shuffling is so that direct followup queries 2927 # this weird shuffling is so that direct followup queries
1925 # get handled first 2928 # get handled first
1926 my $queue = delete $ns->{query_queue} 2929 my $queue = delete $ns->{query_queue}
1927 or return; # be conservative, not sure how that can happen, but we saw a crash here 2930 or return; # be conservative, not sure how that can happen, but we saw a crash here
1928 2931
1929 (shift @$queue)->[1]->($msg); 2932 (shift @$queue)->[1]->($msg);
2933 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930 2934
1931 push @{ $ns->{query_queue} }, @$queue; 2935 push @{ $ns->{query_queue} }, @$queue;
1932 2936
1933 if (@{ $ns->{query_queue} } == @$queue) { 2937 if (@{ $ns->{query_queue} } == @$queue) {
1934 if (@$queue) { 2938 if (@$queue) {
… …
1936 } else { 2940 } else {
1937 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2941 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938 } 2942 }
1939 } 2943 }
1940 }, 2944 },
2945 on_exticmd => sub {
2946 my ($ns, $buf) = @_;
2947
2948 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2949
2950 if (ref $msg) {
2951 my ($type, $reply, @payload) =
2952 "ARRAY" eq ref $msg
2953 ? @$msg
2954 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2955
2956 my @reply;
2957
2958 if (my $cb = $EXTICMD{$type}) {
2959 @reply = $cb->($ns, @payload);
2960 }
2961
2962 $ns->ext_reply ($reply, @reply)
2963 if $reply;
2964
2965 } else {
2966 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2967 }
2968
2969 cf::override;
2970 },
1941); 2971);
1942 2972
1943=item $client->async (\&cb) 2973=item $client->async (\&cb)
1944 2974
1945Create a new coroutine, running the specified callback. The coroutine will 2975Create a new coroutine, running the specified callback. The coroutine will
… …
1986our $safe = new Safe "safe"; 3016our $safe = new Safe "safe";
1987our $safe_hole = new Safe::Hole; 3017our $safe_hole = new Safe::Hole;
1988 3018
1989$SIG{FPE} = 'IGNORE'; 3019$SIG{FPE} = 'IGNORE';
1990 3020
1991$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3021$safe->permit_only (Opcode::opset qw(
3022 :base_core :base_mem :base_orig :base_math
3023 grepstart grepwhile mapstart mapwhile
3024 sort time
3025));
1992 3026
1993# here we export the classes and methods available to script code 3027# here we export the classes and methods available to script code
1994 3028
1995=pod 3029=pod
1996 3030
1997The following fucntions and emthods are available within a safe environment: 3031The following functions and methods are available within a safe environment:
1998 3032
1999 cf::object contr pay_amount pay_player map 3033 cf::object
3034 contr pay_amount pay_player map x y force_find force_add destroy
3035 insert remove name archname title slaying race decrease_ob_nr
3036
2000 cf::object::player player 3037 cf::object::player
2001 cf::player peaceful 3038 player
2002 cf::map trigger 3039
3040 cf::player
3041 peaceful
3042
3043 cf::map
3044 trigger
2003 3045
2004=cut 3046=cut
2005 3047
2006for ( 3048for (
2007 ["cf::object" => qw(contr pay_amount pay_player map)], 3049 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050 insert remove inv name archname title slaying race
3051 decrease_ob_nr destroy)],
2008 ["cf::object::player" => qw(player)], 3052 ["cf::object::player" => qw(player)],
2009 ["cf::player" => qw(peaceful)], 3053 ["cf::player" => qw(peaceful)],
2010 ["cf::map" => qw(trigger)], 3054 ["cf::map" => qw(trigger)],
2011) { 3055) {
2012 no strict 'refs'; 3056 no strict 'refs';
… …
2083=back 3127=back
2084 3128
2085=cut 3129=cut
2086 3130
2087############################################################################# 3131#############################################################################
3132# the server's init and main functions
2088 3133
2089=head2 EXTENSION DATABASE SUPPORT 3134sub load_facedata($) {
3135 my ($path) = @_;
2090 3136
2091Crossfire maintains a very simple database for extension use. It can 3137 # HACK to clear player env face cache, we need some signal framework
2092currently store anything that can be serialised using Storable, which 3138 # for this (global event?)
2093excludes objects. 3139 %ext::player_env::MUSIC_FACE_CACHE = ();
2094 3140
2095The parameter C<$family> should best start with the name of the extension 3141 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096using it, it should be unique.
2097 3142
2098=over 4 3143 warn "loading facedata from $path\n";
2099 3144
2100=item $hashref = cf::db_get $family 3145 my $facedata;
3146 0 < aio_load $path, $facedata
3147 or die "$path: $!";
2101 3148
2102Return a hashref for use by the extension C<$family>, which can be 3149 $facedata = Coro::Storable::thaw $facedata;
2103modified. After modifications, you have to call C<cf::db_dirty> or
2104C<cf::db_sync>.
2105 3150
2106=item $value = cf::db_get $family => $key 3151 $facedata->{version} == 2
3152 or cf::cleanup "$path: version mismatch, cannot proceed.";
2107 3153
2108Returns a single value from the database 3154 # patch in the exptable
2109 3155 $facedata->{resource}{"res/exp_table"} = {
2110=item cf::db_put $family => $hashref 3156 type => FT_RSRC,
2111 3157 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112Stores the given family hashref into the database. Updates are delayed, if
2113you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115=item cf::db_put $family => $key => $value
2116
2117Stores the given C<$value> in the family hash. Updates are delayed, if you
2118want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120=item cf::db_dirty
2121
2122Marks the database as dirty, to be updated at a later time.
2123
2124=item cf::db_sync
2125
2126Immediately write the database to disk I<if it is dirty>.
2127
2128=cut
2129
2130our $DB;
2131
2132{
2133 my $path = cf::localdir . "/database.pst";
2134
2135 sub db_load() {
2136 $DB = stat $path ? Storable::retrieve $path : { };
2137 }
2138
2139 my $pid;
2140
2141 sub db_save() {
2142 waitpid $pid, 0 if $pid;
2143 if (0 == ($pid = fork)) {
2144 $DB->{_meta}{version} = 1;
2145 Storable::nstore $DB, "$path~";
2146 rename "$path~", $path;
2147 cf::_exit 0 if defined $pid;
2148 }
2149 }
2150
2151 my $dirty;
2152
2153 sub db_sync() {
2154 db_save if $dirty;
2155 undef $dirty;
2156 }
2157
2158 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159 db_sync;
2160 }); 3158 };
3159 cf::cede_to_tick;
2161 3160
2162 sub db_dirty() {
2163 $dirty = 1;
2164 $idle->start;
2165 } 3161 {
3162 my $faces = $facedata->{faceinfo};
2166 3163
2167 sub db_get($;$) { 3164 while (my ($face, $info) = each %$faces) {
2168 @_ >= 2 3165 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169 ? $DB->{$_[0]}{$_[1]}
2170 : ($DB->{$_[0]} ||= { })
2171 }
2172 3166
2173 sub db_put($$;$) { 3167 cf::face::set_visibility $idx, $info->{visibility};
2174 if (@_ >= 3) { 3168 cf::face::set_magicmap $idx, $info->{magicmap};
2175 $DB->{$_[0]}{$_[1]} = $_[2]; 3169 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176 } else { 3170 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177 $DB->{$_[0]} = $_[1];
2178 }
2179 db_dirty;
2180 }
2181 3171
2182 cf::global->attach ( 3172 cf::cede_to_tick;
2183 prio => 10000,
2184 on_cleanup => sub {
2185 db_sync;
2186 }, 3173 }
2187 );
2188}
2189 3174
2190############################################################################# 3175 while (my ($face, $info) = each %$faces) {
2191# the server's main() 3176 next unless $info->{smooth};
2192 3177
2193sub cfg_load { 3178 my $idx = cf::face::find $face
3179 or next;
3180
3181 if (my $smooth = cf::face::find $info->{smooth}) {
3182 cf::face::set_smooth $idx, $smooth;
3183 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3184 } else {
3185 warn "smooth face '$info->{smooth}' not found for face '$face'";
3186 }
3187
3188 cf::cede_to_tick;
3189 }
3190 }
3191
3192 {
3193 my $anims = $facedata->{animinfo};
3194
3195 while (my ($anim, $info) = each %$anims) {
3196 cf::anim::set $anim, $info->{frames}, $info->{facings};
3197 cf::cede_to_tick;
3198 }
3199
3200 cf::anim::invalidate_all; # d'oh
3201 }
3202
3203 {
3204 # TODO: for gcfclient pleasure, we should give resources
3205 # that gcfclient doesn't grok a >10000 face index.
3206 my $res = $facedata->{resource};
3207
3208 while (my ($name, $info) = each %$res) {
3209 if (defined $info->{type}) {
3210 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3211 my $data;
3212
3213 if ($info->{type} & 1) {
3214 # prepend meta info
3215
3216 my $meta = $enc->encode ({
3217 name => $name,
3218 %{ $info->{meta} || {} },
3219 });
3220
3221 $data = pack "(w/a*)*", $meta, $info->{data};
3222 } else {
3223 $data = $info->{data};
3224 }
3225
3226 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3227 cf::face::set_type $idx, $info->{type};
3228 } else {
3229 $RESOURCE{$name} = $info;
3230 }
3231
3232 cf::cede_to_tick;
3233 }
3234 }
3235
3236 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3237
3238 1
3239}
3240
3241cf::global->attach (on_resource_update => sub {
3242 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3243 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3244
3245 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3246 my $sound = $soundconf->{compat}[$_]
3247 or next;
3248
3249 my $face = cf::face::find "sound/$sound->[1]";
3250 cf::sound::set $sound->[0] => $face;
3251 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3252 }
3253
3254 while (my ($k, $v) = each %{$soundconf->{event}}) {
3255 my $face = cf::face::find "sound/$v";
3256 cf::sound::set $k => $face;
3257 }
3258 }
3259});
3260
3261register_exticmd fx_want => sub {
3262 my ($ns, $want) = @_;
3263
3264 while (my ($k, $v) = each %$want) {
3265 $ns->fx_want ($k, $v);
3266 }
3267};
3268
3269sub reload_regions {
3270 # HACK to clear player env face cache, we need some signal framework
3271 # for this (global event?)
3272 %ext::player_env::MUSIC_FACE_CACHE = ();
3273
3274 load_resource_file "$MAPDIR/regions"
3275 or die "unable to load regions file\n";
3276
3277 for (cf::region::list) {
3278 $_->{match} = qr/$_->{match}/
3279 if exists $_->{match};
3280 }
3281}
3282
3283sub reload_facedata {
3284 load_facedata "$DATADIR/facedata"
3285 or die "unable to load facedata\n";
3286}
3287
3288sub reload_archetypes {
3289 load_resource_file "$DATADIR/archetypes"
3290 or die "unable to load archetypes\n";
3291 #d# NEED to laod twice to resolve forward references
3292 # this really needs to be done in an extra post-pass
3293 # (which needs to be synchronous, so solve it differently)
3294 load_resource_file "$DATADIR/archetypes"
3295 or die "unable to load archetypes\n";
3296}
3297
3298sub reload_treasures {
3299 load_resource_file "$DATADIR/treasures"
3300 or die "unable to load treasurelists\n";
3301}
3302
3303sub reload_resources {
3304 warn "reloading resource files...\n";
3305
3306 reload_regions;
3307 reload_facedata;
3308 #reload_archetypes;#d#
3309 reload_archetypes;
3310 reload_treasures;
3311
3312 warn "finished reloading resource files\n";
3313}
3314
3315sub init {
3316 reload_resources;
3317}
3318
3319sub reload_config {
2194 open my $fh, "<:utf8", cf::confdir . "/config" 3320 open my $fh, "<:utf8", "$CONFDIR/config"
2195 or return; 3321 or return;
2196 3322
2197 local $/; 3323 local $/;
2198 *CFG = YAML::Syck::Load <$fh>; 3324 *CFG = YAML::Load <$fh>;
2199 3325
2200 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3326 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201 3327
2202 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3328 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3329 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2213 3339
2214sub main { 3340sub main {
2215 # we must not ever block the main coroutine 3341 # we must not ever block the main coroutine
2216 local $Coro::idle = sub { 3342 local $Coro::idle = sub {
2217 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3343 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218 async { Event::one_event }; 3344 (async {
3345 $Coro::current->{desc} = "IDLE BUG HANDLER";
3346 EV::loop EV::LOOP_ONESHOT;
3347 })->prio (Coro::PRIO_MAX);
2219 }; 3348 };
2220 3349
2221 cfg_load; 3350 reload_config;
2222 db_load; 3351 db_init;
2223 load_extensions; 3352 load_extensions;
3353
3354 $TICK_WATCHER->start;
3355 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2224 Event::loop; 3356 EV::loop;
2225} 3357}
2226 3358
2227############################################################################# 3359#############################################################################
2228# initialisation and cleanup 3360# initialisation and cleanup
2229 3361
2230# install some emergency cleanup handlers 3362# install some emergency cleanup handlers
2231BEGIN { 3363BEGIN {
3364 our %SIGWATCHER = ();
2232 for my $signal (qw(INT HUP TERM)) { 3365 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal ( 3366 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2234 data => WF_AUTOCANCEL,
2235 signal => $signal,
2236 cb => sub {
2237 cf::cleanup "SIG$signal"; 3367 cf::cleanup "SIG$signal";
2238 },
2239 ); 3368 };
3369 }
3370}
3371
3372sub write_runtime {
3373 my $runtime = "$LOCALDIR/runtime";
3374
3375 # first touch the runtime file to show we are still running:
3376 # the fsync below can take a very very long time.
3377
3378 IO::AIO::aio_utime $runtime, undef, undef;
3379
3380 my $guard = cf::lock_acquire "write_runtime";
3381
3382 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3383 or return;
3384
3385 my $value = $cf::RUNTIME + 90 + 10;
3386 # 10 is the runtime save interval, for a monotonic clock
3387 # 60 allows for the watchdog to kill the server.
3388
3389 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3390 and return;
3391
3392 # always fsync - this file is important
3393 aio_fsync $fh
3394 and return;
3395
3396 # touch it again to show we are up-to-date
3397 aio_utime $fh, undef, undef;
3398
3399 close $fh
3400 or return;
3401
3402 aio_rename "$runtime~", $runtime
3403 and return;
3404
3405 warn "runtime file written.\n";
3406
2240 } 3407 1
2241} 3408}
2242 3409
2243sub emergency_save() { 3410sub emergency_save() {
2244 my $freeze_guard = cf::freeze_mainloop; 3411 my $freeze_guard = cf::freeze_mainloop;
2245 3412
… …
2251 # and maps saved/destroyed asynchronously. 3418 # and maps saved/destroyed asynchronously.
2252 warn "begin emergency player save\n"; 3419 warn "begin emergency player save\n";
2253 for my $login (keys %cf::PLAYER) { 3420 for my $login (keys %cf::PLAYER) {
2254 my $pl = $cf::PLAYER{$login} or next; 3421 my $pl = $cf::PLAYER{$login} or next;
2255 $pl->valid or next; 3422 $pl->valid or next;
3423 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256 $pl->save; 3424 $pl->save;
2257 } 3425 }
2258 warn "end emergency player save\n"; 3426 warn "end emergency player save\n";
2259 3427
2260 warn "begin emergency map save\n"; 3428 warn "begin emergency map save\n";
… …
2262 my $map = $cf::MAP{$path} or next; 3430 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next; 3431 $map->valid or next;
2264 $map->save; 3432 $map->save;
2265 } 3433 }
2266 warn "end emergency map save\n"; 3434 warn "end emergency map save\n";
3435
3436 warn "begin emergency database checkpoint\n";
3437 BDB::db_env_txn_checkpoint $DB_ENV;
3438 warn "end emergency database checkpoint\n";
2267 }; 3439 };
2268 3440
2269 warn "leave emergency perl save\n"; 3441 warn "leave emergency perl save\n";
2270} 3442}
2271 3443
3444sub post_cleanup {
3445 my ($make_core) = @_;
3446
3447 warn Carp::longmess "post_cleanup backtrace"
3448 if $make_core;
3449}
3450
2272sub reload() { 3451sub do_reload_perl() {
2273 # can/must only be called in main 3452 # can/must only be called in main
2274 if ($Coro::current != $Coro::main) { 3453 if ($Coro::current != $Coro::main) {
2275 warn "can only reload from main coroutine\n"; 3454 warn "can only reload from main coroutine";
2276 return; 3455 return;
2277 } 3456 }
2278 3457
2279 warn "reloading..."; 3458 warn "reloading...";
2280 3459
2281 warn "freezing server"; 3460 warn "entering sync_job";
2282 my $guard = freeze_mainloop; 3461
3462 cf::sync_job {
3463 cf::write_runtime; # external watchdog should not bark
2283 cf::emergency_save; 3464 cf::emergency_save;
3465 cf::write_runtime; # external watchdog should not bark
2284 3466
2285 warn "sync database to disk"; 3467 warn "syncing database to disk";
2286 cf::db_sync; 3468 BDB::db_env_txn_checkpoint $DB_ENV;
2287 IO::AIO::flush;
2288 3469
2289 eval {
2290 # if anything goes wrong in here, we should simply crash as we already saved 3470 # if anything goes wrong in here, we should simply crash as we already saved
2291 3471
2292 warn "cancel all watchers"; 3472 warn "flushing outstanding aio requests";
2293 for (Event::all_watchers) { 3473 for (;;) {
2294 $_->cancel if $_->data & WF_AUTOCANCEL; 3474 BDB::flush;
3475 IO::AIO::flush;
3476 Coro::cede_notself;
3477 last unless IO::AIO::nreqs || BDB::nreqs;
3478 warn "iterate...";
2295 } 3479 }
2296 3480
3481 ++$RELOAD;
3482
2297 warn "cancel all extension coros"; 3483 warn "cancelling all extension coros";
2298 $_->cancel for values %EXT_CORO; 3484 $_->cancel for values %EXT_CORO;
2299 %EXT_CORO = (); 3485 %EXT_CORO = ();
2300 3486
2301 warn "remove commands"; 3487 warn "removing commands";
2302 %COMMAND = (); 3488 %COMMAND = ();
2303 3489
2304 warn "remove ext commands"; 3490 warn "removing ext/exti commands";
2305 %EXTCMD = (); 3491 %EXTCMD = ();
3492 %EXTICMD = ();
2306 3493
2307 warn "unload/nuke all extensions"; 3494 warn "unloading/nuking all extensions";
2308 for my $pkg (@EXTS) { 3495 for my $pkg (@EXTS) {
2309 warn "... unloading $pkg"; 3496 warn "... unloading $pkg";
2310 3497
2311 if (my $cb = $pkg->can ("unload")) { 3498 if (my $cb = $pkg->can ("unload")) {
2312 eval { 3499 eval {
… …
2317 3504
2318 warn "... nuking $pkg"; 3505 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg; 3506 Symbol::delete_package $pkg;
2320 } 3507 }
2321 3508
2322 warn "unload all perl modules loaded from $LIBDIR"; 3509 warn "unloading all perl modules loaded from $LIBDIR";
2323 while (my ($k, $v) = each %INC) { 3510 while (my ($k, $v) = each %INC) {
2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3511 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325 3512
2326 warn "removing <$k>"; 3513 warn "... unloading $k";
2327 delete $INC{$k}; 3514 delete $INC{$k};
2328 3515
2329 $k =~ s/\.pm$//; 3516 $k =~ s/\.pm$//;
2330 $k =~ s/\//::/g; 3517 $k =~ s/\//::/g;
2331 3518
… …
2334 } 3521 }
2335 3522
2336 Symbol::delete_package $k; 3523 Symbol::delete_package $k;
2337 } 3524 }
2338 3525
2339 warn "get rid of safe::, as good as possible"; 3526 warn "getting rid of safe::, as good as possible";
2340 Symbol::delete_package "safe::$_" 3527 Symbol::delete_package "safe::$_"
2341 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3528 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342 3529
2343 warn "unload cf.pm \"a bit\""; 3530 warn "unloading cf.pm \"a bit\"";
2344 delete $INC{"cf.pm"}; 3531 delete $INC{"cf.pm"};
3532 delete $INC{"cf/pod.pm"};
2345 3533
2346 # don't, removes xs symbols, too, 3534 # don't, removes xs symbols, too,
2347 # and global variables created in xs 3535 # and global variables created in xs
2348 #Symbol::delete_package __PACKAGE__; 3536 #Symbol::delete_package __PACKAGE__;
2349 3537
3538 warn "unload completed, starting to reload now";
3539
2350 warn "reloading cf.pm"; 3540 warn "reloading cf.pm";
2351 require cf; 3541 require cf;
2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3542 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353 3543
2354 warn "load config and database again"; 3544 warn "loading config and database again";
2355 cf::cfg_load; 3545 cf::reload_config;
2356 cf::db_load;
2357 3546
2358 warn "load extensions"; 3547 warn "loading extensions";
2359 cf::load_extensions; 3548 cf::load_extensions;
2360 3549
2361 warn "reattach attachments to objects/players"; 3550 warn "reattaching attachments to objects/players";
2362 _global_reattach; 3551 _global_reattach; # objects, sockets
2363 warn "reattach attachments to maps"; 3552 warn "reattaching attachments to maps";
2364 reattach $_ for values %MAP; 3553 reattach $_ for values %MAP;
3554 warn "reattaching attachments to players";
3555 reattach $_ for values %PLAYER;
3556
3557 warn "leaving sync_job";
3558
3559 1
3560 } or do {
3561 warn $@;
3562 cf::cleanup "error while reloading, exiting.";
2365 }; 3563 };
2366
2367 if ($@) {
2368 warn $@;
2369 warn "error while reloading, exiting.";
2370 exit 1;
2371 }
2372 3564
2373 warn "reloaded"; 3565 warn "reloaded";
2374}; 3566};
2375 3567
3568our $RELOAD_WATCHER; # used only during reload
3569
3570sub reload_perl() {
3571 # doing reload synchronously and two reloads happen back-to-back,
3572 # coro crashes during coro_state_free->destroy here.
3573
3574 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3575 do_reload_perl;
3576 undef $RELOAD_WATCHER;
3577 };
3578}
3579
2376register_command "reload" => sub { 3580register_command "reload" => sub {
2377 my ($who, $arg) = @_; 3581 my ($who, $arg) = @_;
2378 3582
2379 if ($who->flag (FLAG_WIZ)) { 3583 if ($who->flag (FLAG_WIZ)) {
2380 $who->message ("start of reload.");
2381 reload;
2382 $who->message ("end of reload."); 3584 $who->message ("reloading server.");
3585 async {
3586 $Coro::current->{desc} = "perl_reload";
3587 reload_perl;
3588 };
2383 } 3589 }
2384}; 3590};
2385 3591
2386unshift @INC, $LIBDIR; 3592unshift @INC, $LIBDIR;
2387 3593
2388$TICK_WATCHER = Event->timer ( 3594my $bug_warning = 0;
2389 reentrant => 0,
2390 prio => 0,
2391 at => $NEXT_TICK || $TICK,
2392 data => WF_AUTOCANCEL,
2393 cb => sub {
2394 $NOW = Event::time;
2395 3595
3596our @WAIT_FOR_TICK;
3597our @WAIT_FOR_TICK_BEGIN;
3598
3599sub wait_for_tick {
3600 return unless $TICK_WATCHER->is_active;
3601 return if $Coro::current == $Coro::main;
3602
3603 my $signal = new Coro::Signal;
3604 push @WAIT_FOR_TICK, $signal;
3605 $signal->wait;
3606}
3607
3608sub wait_for_tick_begin {
3609 return unless $TICK_WATCHER->is_active;
3610 return if $Coro::current == $Coro::main;
3611
3612 my $signal = new Coro::Signal;
3613 push @WAIT_FOR_TICK_BEGIN, $signal;
3614 $signal->wait;
3615}
3616
3617$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3618 if ($Coro::current != $Coro::main) {
3619 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3620 unless ++$bug_warning > 10;
3621 return;
3622 }
3623
3624 $NOW = $tick_start = EV::now;
3625
2396 cf::server_tick; # one server iteration 3626 cf::server_tick; # one server iteration
3627
2397 $RUNTIME += $TICK; 3628 $RUNTIME += $TICK;
2398 $NEXT_TICK += $TICK; 3629 $NEXT_TICK = $_[0]->at;
2399 3630
2400 $WAIT_FOR_TICK->broadcast; 3631 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3632 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402 3633 Coro::async_pool {
2403 # if we are delayed by four ticks or more, skip them all 3634 $Coro::current->{desc} = "runtime saver";
2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406 $TICK_WATCHER->at ($NEXT_TICK);
2407 $TICK_WATCHER->start;
2408 },
2409);
2410
2411IO::AIO::max_poll_time $TICK * 0.2;
2412
2413$AIO_POLL_WATCHER = Event->io (
2414 fd => IO::AIO::poll_fileno,
2415 poll => 'r',
2416 prio => 5,
2417 data => WF_AUTOCANCEL,
2418 cb => \&IO::AIO::poll_cb,
2419);
2420
2421$WRITE_RUNTIME_WATCHER = Event->timer (
2422 data => WF_AUTOCANCEL,
2423 after => 0,
2424 interval => 10,
2425 cb => sub {
2426 (Coro::unblock_sub {
2427 write_runtime 3635 write_runtime
2428 or warn "ERROR: unable to write runtime file: $!"; 3636 or warn "ERROR: unable to write runtime file: $!";
2429 })->(); 3637 };
2430 }, 3638 }
2431); 3639
3640 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3641 $sig->send;
3642 }
3643 while (my $sig = shift @WAIT_FOR_TICK) {
3644 $sig->send;
3645 }
3646
3647 $LOAD = ($NOW - $tick_start) / $TICK;
3648 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649
3650 _post_tick;
3651};
3652$TICK_WATCHER->priority (EV::MAXPRI);
3653
3654{
3655 # configure BDB
3656
3657 BDB::min_parallel 8;
3658 BDB::max_poll_reqs $TICK * 0.1;
3659 $Coro::BDB::WATCHER->priority (1);
3660
3661 unless ($DB_ENV) {
3662 $DB_ENV = BDB::db_env_create;
3663 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3664 | BDB::LOG_AUTOREMOVE, 1);
3665 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3667
3668 cf::sync_job {
3669 eval {
3670 BDB::db_env_open
3671 $DB_ENV,
3672 $BDBDIR,
3673 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3674 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3675 0666;
3676
3677 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3678 };
3679
3680 cf::cleanup "db_env_open(db): $@" if $@;
3681 };
3682 }
3683
3684 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3685 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3686 };
3687 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3688 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3689 };
3690 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3691 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3692 };
3693}
3694
3695{
3696 # configure IO::AIO
3697
3698 IO::AIO::min_parallel 8;
3699 IO::AIO::max_poll_time $TICK * 0.1;
3700 $Coro::AIO::WATCHER->priority (1);
3701}
3702
3703my $_log_backtrace;
3704
3705sub _log_backtrace {
3706 my ($msg, @addr) = @_;
3707
3708 $msg =~ s/\n//;
3709
3710 # limit the # of concurrent backtraces
3711 if ($_log_backtrace < 2) {
3712 ++$_log_backtrace;
3713 async {
3714 $Coro::current->{desc} = "abt $msg";
3715
3716 my @bt = fork_call {
3717 @addr = map { sprintf "%x", $_ } @addr;
3718 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3719 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3720 or die "addr2line: $!";
3721
3722 my @funcs;
3723 my @res = <$fh>;
3724 chomp for @res;
3725 while (@res) {
3726 my ($func, $line) = splice @res, 0, 2, ();
3727 push @funcs, "[$func] $line";
3728 }
3729
3730 @funcs
3731 };
3732
3733 LOG llevInfo, "[ABT] $msg\n";
3734 LOG llevInfo, "[ABT] $_\n" for @bt;
3735 --$_log_backtrace;
3736 };
3737 } else {
3738 LOG llevInfo, "[ABT] $msg\n";
3739 LOG llevInfo, "[ABT] [suppressed]\n";
3740 }
3741}
3742
3743# load additional modules
3744use cf::pod;
2432 3745
2433END { cf::emergency_save } 3746END { cf::emergency_save }
2434 3747
24351 37481
2436 3749

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