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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.404 by root, Mon Dec 17 07:27:58 2007 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;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 32use YAML::Syck ();
33use IO::AIO 2.51 ();
25use Time::HiRes; 34use Time::HiRes;
35use Compress::LZF;
36use Digest::MD5 ();
26 37
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 38# configure various modules to our taste
28 39#
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 40$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
30 43
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
33 46
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 48
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
50
36our %COMMAND = (); 51our %COMMAND = ();
37our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
53
54our @EXTS = (); # list of extension package names
38our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps
39 59
60our $RELOAD; # number of reloads so far
40our @EVENT; 61our @EVENT;
41our $LIBDIR = datadir . "/ext";
42 62
43our $TICK = MAX_TIME * 1e-6; 63our $CONFDIR = confdir;
64our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db";
74
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44our $TICK_WATCHER; 76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45our $NEXT_TICK; 79our $NEXT_TICK;
46our $NOW; 80our $USE_FSYNC = 1; # use fsync to write maps - default off
81
82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
86our $DB_ENV;
47 87
48our %CFG; 88our %CFG;
49 89
50our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
51our $RUNTIME; 91our $RUNTIME;
92our $NOW;
52 93
53our %PLAYER; # all users 94our (%PLAYER, %PLAYER_LOADING); # all users
54our %MAP; # all maps 95our (%MAP, %MAP_LOADING ); # all maps
55our $LINK_MAP; # the special {link} map 96our $LINK_MAP; # the special {link} map, which is always available
56our $RANDOM_MAPS = cf::localdir . "/random";
57our %EXT_CORO; # coroutines bound to extensions
58 97
59our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 98# used to convert map paths into valid unix filenames by replacing / by ∕
60our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
100
101our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing
103our $tick_start; # for load detecting purposes
61 104
62binmode STDOUT; 105binmode STDOUT;
63binmode STDERR; 106binmode STDERR;
64 107
65# read virtual server time, if available 108# read virtual server time, if available
66unless ($RUNTIME || !-e cf::localdir . "/runtime") { 109unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67 open my $fh, "<", cf::localdir . "/runtime" 110 open my $fh, "<", "$LOCALDIR/runtime"
68 or die "unable to read runtime file: $!"; 111 or die "unable to read runtime file: $!";
69 $RUNTIME = <$fh> + 0.; 112 $RUNTIME = <$fh> + 0.;
70} 113}
71 114
72mkdir cf::localdir; 115mkdir $_
73mkdir cf::localdir . "/" . cf::playerdir; 116 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74mkdir cf::localdir . "/" . cf::tmpdir;
75mkdir cf::localdir . "/" . cf::uniquedir;
76mkdir $RANDOM_MAPS;
77 117
78# a special map that is always available
79our $LINK_MAP;
80our $EMERGENCY_POSITION; 118our $EMERGENCY_POSITION;
119
120sub cf::map::normalise;
81 121
82############################################################################# 122#############################################################################
83 123
84=head2 GLOBAL VARIABLES 124=head2 GLOBAL VARIABLES
85 125
92=item $cf::RUNTIME 132=item $cf::RUNTIME
93 133
94The time this server has run, starts at 0 and is increased by $cf::TICK on 134The time this server has run, starts at 0 and is increased by $cf::TICK on
95every server tick. 135every server tick.
96 136
97=item $cf::LIBDIR 137=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
138$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
139$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98 140
99The perl library directory, where extensions and cf-specific modules can 141Various directories - "/etc", read-only install directory, perl-library
100be found. It will be added to C<@INC> automatically. 142directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143unique-items directory, player file directory, random maps directory and
144database environment.
101 145
102=item $cf::NOW 146=item $cf::NOW
103 147
104The time of the last (current) server tick. 148The time of the last (current) server tick.
105 149
106=item $cf::TICK 150=item $cf::TICK
107 151
108The interval between server ticks, in seconds. 152The interval between server ticks, in seconds.
109 153
154=item $cf::LOADAVG
155
156The current CPU load on the server (alpha-smoothed), as a value between 0
157(none) and 1 (overloaded), indicating how much time is spent on processing
158objects per tick. Healthy values are < 0.5.
159
160=item $cf::LOAD
161
162The raw value load value from the last tick.
163
110=item %cf::CFG 164=item %cf::CFG
111 165
112Configuration for the server, loaded from C</etc/crossfire/config>, or 166Configuration for the server, loaded from C</etc/deliantra-server/config>, or
113from wherever your confdir points to. 167from wherever your confdir points to.
114 168
115=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 169=item cf::wait_for_tick, cf::wait_for_tick_begin
116 170
117These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 172returns directly I<after> the tick processing (and consequently, can only wake one process
119processing has been done. Call C<< ->wait >> on them to maximise the 173per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120window of cpu time available, or simply to synchronise to the server tick. 174
175=item @cf::INVOKE_RESULTS
176
177This array contains the results of the last C<invoke ()> call. When
178C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179that call.
121 180
122=back 181=back
123 182
124=cut 183=cut
125 184
126BEGIN { 185BEGIN {
127 *CORE::GLOBAL::warn = sub { 186 *CORE::GLOBAL::warn = sub {
128 my $msg = join "", @_; 187 my $msg = join "", @_;
129 utf8::encode $msg;
130 188
131 $msg .= "\n" 189 $msg .= "\n"
132 unless $msg =~ /\n$/; 190 unless $msg =~ /\n$/;
191
192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133 193
134 LOG llevError, $msg; 194 LOG llevError, $msg;
135 }; 195 };
136} 196}
137 197
138@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 202@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
203@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 204@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144 205
145# we bless all objects into (empty) derived classes to force a method lookup 206# we bless all objects into (empty) derived classes to force a method lookup
146# within the Safe compartment. 207# within the Safe compartment.
147for my $pkg (qw( 208for my $pkg (qw(
148 cf::global cf::attachable 209 cf::global cf::attachable
153)) { 214)) {
154 no strict 'refs'; 215 no strict 'refs';
155 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
156} 217}
157 218
158$Event::DIED = sub { 219$EV::DIED = sub {
159 warn "error in event callback: @_"; 220 warn "error in event callback: @_";
160}; 221};
161 222
162my %ext_pkg; 223#############################################################################
163my @exts;
164my @hook;
165 224
166=head2 UTILITY FUNCTIONS 225=head2 UTILITY FUNCTIONS
167 226
168=over 4 227=over 4
169 228
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 248 $d
190 } || "[unable to dump $_[0]: '$@']"; 249 } || "[unable to dump $_[0]: '$@']";
191} 250}
192 251
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 252=item $ref = cf::decode_json $json
196 253
197Converts a JSON string into the corresponding perl data structure. 254Converts a JSON string into the corresponding perl data structure.
198 255
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 256=item $json = cf::encode_json $ref
207 257
208Converts a perl data structure into its JSON representation. 258Converts a perl data structure into its JSON representation.
209 259
210=cut 260=cut
211 261
212sub to_json($) { 262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 263
214 JSON::Syck::Dump $_[0] 264sub encode_json($) { $json_coder->encode ($_[0]) }
215} 265sub decode_json($) { $json_coder->decode ($_[0]) }
216 266
217=item cf::lock_wait $string 267=item cf::lock_wait $string
218 268
219Wait until the given lock is available. See cf::lock_acquire. 269Wait until the given lock is available. See cf::lock_acquire.
220 270
223Wait until the given lock is available and then acquires it and returns 273Wait until the given lock is available and then acquires it and returns
224a Coro::guard object. If the guard object gets destroyed (goes out of scope, 274a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225for example when the coroutine gets canceled), the lock is automatically 275for example when the coroutine gets canceled), the lock is automatically
226returned. 276returned.
227 277
278Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro.
280
228Lock names should begin with a unique identifier (for example, cf::map::find 281Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 282uses map_find and cf::map::load uses map_load).
230 283
284=item $locked = cf::lock_active $string
285
286Return true if the lock is currently active, i.e. somebody has locked it.
287
231=cut 288=cut
232 289
233our %LOCK; 290our %LOCK;
291our %LOCKER;#d#
234 292
235sub lock_wait($) { 293sub lock_wait($) {
236 my ($key) = @_; 294 my ($key) = @_;
295
296 if ($LOCKER{$key} == $Coro::current) {#d#
297 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298 return;#d#
299 }#d#
237 300
238 # wait for lock, if any 301 # wait for lock, if any
239 while ($LOCK{$key}) { 302 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current; 303 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule; 304 Coro::schedule;
247 310
248 # wait, to be sure we are not locked 311 # wait, to be sure we are not locked
249 lock_wait $key; 312 lock_wait $key;
250 313
251 $LOCK{$key} = []; 314 $LOCK{$key} = [];
315 $LOCKER{$key} = $Coro::current;#d#
252 316
253 Coro::guard { 317 Coro::guard {
318 delete $LOCKER{$key};#d#
254 # wake up all waiters, to be on the safe side 319 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} }; 320 $_->ready for @{ delete $LOCK{$key} };
256 } 321 }
257} 322}
258 323
324sub lock_active($) {
325 my ($key) = @_;
326
327 ! ! $LOCK{$key}
328}
329
259sub freeze_mainloop { 330sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 331 return unless $TICK_WATCHER->is_active;
261 332
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 333 my $guard = Coro::guard {
334 $TICK_WATCHER->start;
335 };
263 $TICK_WATCHER->stop; 336 $TICK_WATCHER->stop;
264 $guard 337 $guard
338}
339
340=item cf::periodic $interval, $cb
341
342Like EV::periodic, but randomly selects a starting point so that the actions
343get spread over timer.
344
345=cut
346
347sub periodic($$) {
348 my ($interval, $cb) = @_;
349
350 my $start = rand List::Util::min 180, $interval;
351
352 EV::periodic $start, $interval, 0, $cb
353}
354
355=item cf::get_slot $time[, $priority[, $name]]
356
357Allocate $time seconds of blocking CPU time at priority C<$priority>:
358This call blocks and returns only when you have at least C<$time> seconds
359of cpu time till the next tick. The slot is only valid till the next cede.
360
361The optional C<$name> can be used to identify the job to run. It might be
362used for statistical purposes and should identify the same time-class.
363
364Useful for short background jobs.
365
366=cut
367
368our @SLOT_QUEUE;
369our $SLOT_QUEUE;
370
371$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372$SLOT_QUEUE = Coro::async {
373 $Coro::current->desc ("timeslot manager");
374
375 my $signal = new Coro::Signal;
376
377 while () {
378 next_job:
379 my $avail = cf::till_tick;
380 if ($avail > 0.01) {
381 for (0 .. $#SLOT_QUEUE) {
382 if ($SLOT_QUEUE[$_][0] < $avail) {
383 my $job = splice @SLOT_QUEUE, $_, 1, ();
384 $job->[2]->send;
385 Coro::cede;
386 goto next_job;
387 }
388 }
389 }
390
391 if (@SLOT_QUEUE) {
392 # we do not use wait_for_tick() as it returns immediately when tick is inactive
393 push @cf::WAIT_FOR_TICK, $signal;
394 $signal->wait;
395 } else {
396 Coro::schedule;
397 }
398 }
399};
400
401sub get_slot($;$$) {
402 my ($time, $pri, $name) = @_;
403
404 $time = $TICK * .6 if $time > $TICK * .6;
405 my $sig = new Coro::Signal;
406
407 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409 $SLOT_QUEUE->ready;
410 $sig->wait;
265} 411}
266 412
267=item cf::async { BLOCK } 413=item cf::async { BLOCK }
268 414
269Currently the same as Coro::async_pool, meaning you cannot use 415Currently the same as Coro::async_pool, meaning you cannot use
274 420
275BEGIN { *async = \&Coro::async_pool } 421BEGIN { *async = \&Coro::async_pool }
276 422
277=item cf::sync_job { BLOCK } 423=item cf::sync_job { BLOCK }
278 424
279The design of crossfire+ requires that the main coro ($Coro::main) is 425The design of Deliantra requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 426is always able to handle events or runnable, as Deliantra is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 427partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
428acceptable.
282 429
283If it must be done, put the blocking parts into C<sync_job>. This will run 430If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 431the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 432server will be frozen during this time, so the block should either finish
286fast or be very important. 433fast or be very important.
289 436
290sub sync_job(&) { 437sub sync_job(&) {
291 my ($job) = @_; 438 my ($job) = @_;
292 439
293 if ($Coro::current == $Coro::main) { 440 if ($Coro::current == $Coro::main) {
441 my $time = EV::time;
442
294 # this is the main coro, too bad, we have to block 443 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 444 # till the operation succeeds, freezing the server :/
296 445
446 LOG llevError, Carp::longmess "sync job";#d#
447
297 # TODO: use suspend/resume instead 448 # TODO: use suspend/resume instead
298 # (but this is cancel-safe) 449 # (but this is cancel-safe)
299 my $freeze_guard = freeze_mainloop; 450 my $freeze_guard = freeze_mainloop;
300 451
301 my $busy = 1; 452 my $busy = 1;
302 my @res; 453 my @res;
303 454
304 (async { 455 (async {
456 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 457 @res = eval { $job->() };
306 warn $@ if $@; 458 warn $@ if $@;
307 undef $busy; 459 undef $busy;
308 })->prio (Coro::PRIO_MAX); 460 })->prio (Coro::PRIO_MAX);
309 461
310 while ($busy) { 462 while ($busy) {
311 Coro::cede or Event::one_event; 463 if (Coro::nready) {
464 Coro::cede_notself;
465 } else {
466 EV::loop EV::LOOP_ONESHOT;
312 } 467 }
468 }
469
470 $time = EV::time - $time;
471
472 LOG llevError | logBacktrace, Carp::longmess "long sync job"
473 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475 $tick_start += $time; # do not account sync jobs to server load
313 476
314 wantarray ? @res : $res[0] 477 wantarray ? @res : $res[0]
315 } else { 478 } else {
316 # we are in another coroutine, how wonderful, everything just works 479 # we are in another coroutine, how wonderful, everything just works
317 480
319 } 482 }
320} 483}
321 484
322=item $coro = cf::async_ext { BLOCK } 485=item $coro = cf::async_ext { BLOCK }
323 486
324Like async, but this coro is automcatially being canceled when the 487Like async, but this coro is automatically being canceled when the
325extension calling this is being unloaded. 488extension calling this is being unloaded.
326 489
327=cut 490=cut
328 491
329sub async_ext(&) { 492sub async_ext(&) {
337 $EXT_CORO{$coro+0} = $coro; 500 $EXT_CORO{$coro+0} = $coro;
338 501
339 $coro 502 $coro
340} 503}
341 504
342sub write_runtime { 505=item fork_call { }, $args
343 my $runtime = cf::localdir . "/runtime";
344 506
345 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 507Executes the given code block with the given arguments in a seperate
346 or return; 508process, returning the results. Everything must be serialisable with
509Coro::Storable. May, of course, block. Note that the executed sub may
510never block itself or use any form of event handling.
347 511
348 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 512=cut
349 (aio_write $fh, 0, (length $value), $value, 0) <= 0
350 and return;
351 513
352 aio_fsync $fh 514sub fork_call(&@) {
353 and return; 515 my ($cb, @args) = @_;
354 516
355 close $fh 517 # we seemingly have to make a local copy of the whole thing,
356 or return; 518 # otherwise perl prematurely frees the stuff :/
519 # TODO: investigate and fix (likely this will be rather laborious)
357 520
358 aio_rename "$runtime~", $runtime 521 my @res = Coro::Util::fork_eval {
359 and return; 522 reset_signals;
523 &$cb
524 }, @args;
360 525
526 wantarray ? @res : $res[-1]
527}
528
529=item $value = cf::db_get $family => $key
530
531Returns a single value from the environment database.
532
533=item cf::db_put $family => $key => $value
534
535Stores the given C<$value> in the family. It can currently store binary
536data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
537
538=item $db = cf::db_table "name"
539
540Create and/or open a new database table. The string must not be "db" and must be unique
541within each server.
542
543=cut
544
545sub db_table($) {
546 my ($name) = @_;
547 my $db = BDB::db_create $DB_ENV;
548
549 eval {
550 $db->set_flags (BDB::CHKSUM);
551
552 utf8::encode $name;
553 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
554 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
555 cf::cleanup "db_open(db): $!" if $!;
556 };
557 cf::cleanup "db_open(db): $@" if $@;
558
559 $db
560}
561
562our $DB;
563
564sub db_init {
565 cf::sync_job {
566 $DB ||= db_table "db";
567 };
568}
569
570sub db_get($$) {
571 my $key = "$_[0]/$_[1]";
572
573 cf::sync_job {
574 BDB::db_get $DB, undef, $key, my $data;
575
576 $! ? ()
577 : $data
361 1 578 }
579}
580
581sub db_put($$$) {
582 BDB::dbreq_pri 4;
583 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
584}
585
586=item cf::cache $id => [$paths...], $processversion => $process
587
588Generic caching function that returns the value of the resource $id,
589caching and regenerating as required.
590
591This function can block.
592
593=cut
594
595sub cache {
596 my ($id, $src, $processversion, $process) = @_;
597
598 my $meta =
599 join "\x00",
600 $processversion,
601 map {
602 aio_stat $_
603 and Carp::croak "$_: $!";
604
605 ($_, (stat _)[7,9])
606 } @$src;
607
608 my $dbmeta = db_get cache => "$id/meta";
609 if ($dbmeta ne $meta) {
610 # changed, we may need to process
611
612 my @data;
613 my $md5;
614
615 for (0 .. $#$src) {
616 0 <= aio_load $src->[$_], $data[$_]
617 or Carp::croak "$src->[$_]: $!";
618 }
619
620 # if processing is expensive, check
621 # checksum first
622 if (1) {
623 $md5 =
624 join "\x00",
625 $processversion,
626 map {
627 cf::cede_to_tick;
628 ($src->[$_], Digest::MD5::md5_hex $data[$_])
629 } 0.. $#$src;
630
631
632 my $dbmd5 = db_get cache => "$id/md5";
633 if ($dbmd5 eq $md5) {
634 db_put cache => "$id/meta", $meta;
635
636 return db_get cache => "$id/data";
637 }
638 }
639
640 my $t1 = Time::HiRes::time;
641 my $data = $process->(\@data);
642 my $t2 = Time::HiRes::time;
643
644 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
645
646 db_put cache => "$id/data", $data;
647 db_put cache => "$id/md5" , $md5;
648 db_put cache => "$id/meta", $meta;
649
650 return $data;
651 }
652
653 db_get cache => "$id/data"
654}
655
656=item cf::datalog type => key => value, ...
657
658Log a datalog packet of the given type with the given key-value pairs.
659
660=cut
661
662sub datalog($@) {
663 my ($type, %kv) = @_;
664 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362} 665}
363 666
364=back 667=back
365 668
366=cut 669=cut
367
368#############################################################################
369
370package cf::path;
371
372use overload
373 '""' => \&as_string;
374
375# used to convert map paths into valid unix filenames by repalcing / by ∕
376our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378sub new {
379 my ($class, $path, $base) = @_;
380
381 $path = $path->as_string if ref $path;
382
383 my $self = bless { }, $class;
384
385 # {... are special paths that are not touched
386 # ?xxx/... are special absolute paths
387 # ?random/... random maps
388 # /! non-realised random map exit
389 # /... normal maps
390 # ~/... per-player maps without a specific player (DO NOT USE)
391 # ~user/... per-player map of a specific user
392
393 $path =~ s/$PATH_SEP/\//go;
394
395 if ($path =~ /^{/) {
396 # fine as it is
397 } elsif ($path =~ s{^\?random/}{}) {
398 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399 $self->{random} = cf::from_json $data;
400 } else {
401 if ($path =~ s{^~([^/]+)?}{}) {
402 $self->{user_rel} = 1;
403
404 if (defined $1) {
405 $self->{user} = $1;
406 } elsif ($base =~ m{^~([^/]+)/}) {
407 $self->{user} = $1;
408 } else {
409 warn "cannot resolve user-relative path without user <$path,$base>\n";
410 }
411 } elsif ($path =~ /^\//) {
412 # already absolute
413 } else {
414 $base =~ s{[^/]+/?$}{};
415 return $class->new ("$base/$path");
416 }
417
418 for ($path) {
419 redo if s{/\.?/}{/};
420 redo if s{/[^/]+/\.\./}{/};
421 }
422 }
423
424 $self->{path} = $path;
425
426 $self
427}
428
429# the name / primary key / in-game path
430sub as_string {
431 my ($self) = @_;
432
433 $self->{user_rel} ? "~$self->{user}$self->{path}"
434 : $self->{random} ? "?random/$self->{path}"
435 : $self->{path}
436}
437
438# the displayed name, this is a one way mapping
439sub visible_name {
440 my ($self) = @_;
441
442# if (my $rmp = $self->{random}) {
443# # todo: be more intelligent about this
444# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445# } else {
446 $self->as_string
447# }
448}
449
450# escape the /'s in the path
451sub _escaped_path {
452 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453 $path
454}
455
456# the original (read-only) location
457sub load_path {
458 my ($self) = @_;
459
460 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461}
462
463# the temporary/swap location
464sub save_path {
465 my ($self) = @_;
466
467 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470}
471
472# the unique path, might be eq to save_path
473sub uniq_path {
474 my ($self) = @_;
475
476 $self->{user_rel} || $self->{random}
477 ? undef
478 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479}
480
481# return random map parameters, or undef
482sub random_map_params {
483 my ($self) = @_;
484
485 $self->{random}
486}
487
488# this is somewhat ugly, but style maps do need special treatment
489sub is_style_map {
490 $_[0]{path} =~ m{^/styles/}
491}
492
493package cf;
494 670
495############################################################################# 671#############################################################################
496 672
497=head2 ATTACHABLE OBJECTS 673=head2 ATTACHABLE OBJECTS
498 674
500attach callbacks/event handlers (a collection of which is called an "attachment") 676attach callbacks/event handlers (a collection of which is called an "attachment")
501to it. All such attachable objects support the following methods. 677to it. All such attachable objects support the following methods.
502 678
503In the following description, CLASS can be any of C<global>, C<object> 679In the following description, CLASS can be any of C<global>, C<object>
504C<player>, C<client> or C<map> (i.e. the attachable objects in 680C<player>, C<client> or C<map> (i.e. the attachable objects in
505crossfire+). 681Deliantra).
506 682
507=over 4 683=over 4
508 684
509=item $attachable->attach ($attachment, key => $value...) 685=item $attachable->attach ($attachment, key => $value...)
510 686
624our @CB_TYPE = (); # registry for type (cf-object class) based events 800our @CB_TYPE = (); # registry for type (cf-object class) based events
625our @CB_MAP = (); 801our @CB_MAP = ();
626 802
627my %attachment; 803my %attachment;
628 804
805sub cf::attachable::thawer_merge {
806 # simply override everything except _meta
807 local $_[0]{_meta};
808 %{$_[0]} = %{$_[1]};
809}
810
629sub _attach_cb($$$$) { 811sub _attach_cb($$$$) {
630 my ($registry, $event, $prio, $cb) = @_; 812 my ($registry, $event, $prio, $cb) = @_;
631 813
632 use sort 'stable'; 814 use sort 'stable';
633 815
667 $registry = $CB_TYPE[$object_type] ||= []; 849 $registry = $CB_TYPE[$object_type] ||= [];
668 850
669 } elsif ($type eq "subtype") { 851 } elsif ($type eq "subtype") {
670 defined $object_type or Carp::croak "subtype specified without type"; 852 defined $object_type or Carp::croak "subtype specified without type";
671 my $object_subtype = shift @arg; 853 my $object_subtype = shift @arg;
672 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 854 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673 855
674 } elsif ($type eq "package") { 856 } elsif ($type eq "package") {
675 my $pkg = shift @arg; 857 my $pkg = shift @arg;
676 858
677 while (my ($name, $id) = each %cb_id) { 859 while (my ($name, $id) = each %cb_id) {
706 _attach $registry, $klass, @attach; 888 _attach $registry, $klass, @attach;
707 } 889 }
708 890
709 $obj->{$name} = \%arg; 891 $obj->{$name} = \%arg;
710 } else { 892 } else {
711 warn "object uses attachment '$name' that is not available, postponing.\n"; 893 warn "object uses attachment '$name' which is not available, postponing.\n";
712 } 894 }
713 895
714 $obj->{_attachment}{$name} = undef; 896 $obj->{_attachment}{$name} = undef;
715} 897}
716 898
718 if (ref $_[0]) { 900 if (ref $_[0]) {
719 _object_attach @_; 901 _object_attach @_;
720 } else { 902 } else {
721 _attach shift->_attach_registry, @_; 903 _attach shift->_attach_registry, @_;
722 } 904 }
905 _recalc_want;
723}; 906};
724 907
725# all those should be optimised 908# all those should be optimised
726sub cf::attachable::detach { 909sub cf::attachable::detach {
727 my ($obj, $name) = @_; 910 my ($obj, $name) = @_;
730 delete $obj->{_attachment}{$name}; 913 delete $obj->{_attachment}{$name};
731 reattach ($obj); 914 reattach ($obj);
732 } else { 915 } else {
733 Carp::croak "cannot, currently, detach class attachments"; 916 Carp::croak "cannot, currently, detach class attachments";
734 } 917 }
918 _recalc_want;
735}; 919};
736 920
737sub cf::attachable::attached { 921sub cf::attachable::attached {
738 my ($obj, $name) = @_; 922 my ($obj, $name) = @_;
739 923
754 "; 938 ";
755 die if $@; 939 die if $@;
756} 940}
757 941
758our $override; 942our $override;
759our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 943our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760 944
761sub override { 945sub override {
762 $override = 1; 946 $override = 1;
763 @invoke_results = (); 947 @INVOKE_RESULTS = (@_);
764} 948}
765 949
766sub do_invoke { 950sub do_invoke {
767 my $event = shift; 951 my $event = shift;
768 my $callbacks = shift; 952 my $callbacks = shift;
769 953
770 @invoke_results = (); 954 @INVOKE_RESULTS = ();
771 955
772 local $override; 956 local $override;
773 957
774 for (@$callbacks) { 958 for (@$callbacks) {
775 eval { &{$_->[1]} }; 959 eval { &{$_->[1]} };
792 976
793Generate an object-specific event with the given arguments. 977Generate an object-specific event with the given arguments.
794 978
795This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 979This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796removed in future versions), and there is no public API to access override 980removed in future versions), and there is no public API to access override
797results (if you must, access C<@cf::invoke_results> directly). 981results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798 982
799=back 983=back
800 984
801=cut 985=cut
802 986
803############################################################################# 987#############################################################################
804# object support 988# object support
989
990sub _object_equal($$);
991sub _object_equal($$) {
992 my ($a, $b) = @_;
993
994 return 0 unless (ref $a) eq (ref $b);
995
996 if ("HASH" eq ref $a) {
997 my @ka = keys %$a;
998 my @kb = keys %$b;
999
1000 return 0 if @ka != @kb;
1001
1002 for (0 .. $#ka) {
1003 return 0 unless $ka[$_] eq $kb[$_];
1004 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1005 }
1006
1007 } elsif ("ARRAY" eq ref $a) {
1008
1009 return 0 if @$a != @$b;
1010
1011 for (0 .. $#$a) {
1012 return 0 unless _object_equal $a->[$_], $b->[$_];
1013 }
1014
1015 } elsif ($a ne $b) {
1016 return 0;
1017 }
1018
1019 1
1020}
1021
1022our $SLOW_MERGES;#d#
1023sub _can_merge {
1024 my ($ob1, $ob2) = @_;
1025
1026 ++$SLOW_MERGES;#d#
1027
1028 # we do the slow way here
1029 return _object_equal $ob1, $ob2
1030}
805 1031
806sub reattach { 1032sub reattach {
807 # basically do the same as instantiate, without calling instantiate 1033 # basically do the same as instantiate, without calling instantiate
808 my ($obj) = @_; 1034 my ($obj) = @_;
1035
1036 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809 1037
810 my $registry = $obj->registry; 1038 my $registry = $obj->registry;
811 1039
812 @$registry = (); 1040 @$registry = ();
813 1041
828cf::attachable->attach ( 1056cf::attachable->attach (
829 prio => -1000000, 1057 prio => -1000000,
830 on_instantiate => sub { 1058 on_instantiate => sub {
831 my ($obj, $data) = @_; 1059 my ($obj, $data) = @_;
832 1060
833 $data = from_json $data; 1061 $data = decode_json $data;
834 1062
835 for (@$data) { 1063 for (@$data) {
836 my ($name, $args) = @$_; 1064 my ($name, $args) = @$_;
837 1065
838 $obj->attach ($name, %{$args || {} }); 1066 $obj->attach ($name, %{$args || {} });
854sub object_freezer_save { 1082sub object_freezer_save {
855 my ($filename, $rdata, $objs) = @_; 1083 my ($filename, $rdata, $objs) = @_;
856 1084
857 sync_job { 1085 sync_job {
858 if (length $$rdata) { 1086 if (length $$rdata) {
1087 utf8::decode (my $decname = $filename);
859 warn sprintf "saving %s (%d,%d)\n", 1088 warn sprintf "saving %s (%d,%d)\n",
860 $filename, length $$rdata, scalar @$objs; 1089 $decname, length $$rdata, scalar @$objs;
861 1090
862 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1091 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863 chmod SAVE_MODE, $fh; 1092 chmod SAVE_MODE, $fh;
864 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1093 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865 aio_fsync $fh; 1094 aio_fsync $fh if $cf::USE_FSYNC;
866 close $fh; 1095 close $fh;
867 1096
868 if (@$objs) { 1097 if (@$objs) {
869 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1098 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870 chmod SAVE_MODE, $fh; 1099 chmod SAVE_MODE, $fh;
871 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1100 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872 aio_write $fh, 0, (length $data), $data, 0; 1101 aio_write $fh, 0, (length $data), $data, 0;
873 aio_fsync $fh; 1102 aio_fsync $fh if $cf::USE_FSYNC;
874 close $fh; 1103 close $fh;
875 aio_rename "$filename.pst~", "$filename.pst"; 1104 aio_rename "$filename.pst~", "$filename.pst";
876 } 1105 }
877 } else { 1106 } else {
878 aio_unlink "$filename.pst"; 1107 aio_unlink "$filename.pst";
884 } 1113 }
885 } else { 1114 } else {
886 aio_unlink $filename; 1115 aio_unlink $filename;
887 aio_unlink "$filename.pst"; 1116 aio_unlink "$filename.pst";
888 } 1117 }
889 } 1118 };
890} 1119}
891 1120
892sub object_freezer_as_string { 1121sub object_freezer_as_string {
893 my ($rdata, $objs) = @_; 1122 my ($rdata, $objs) = @_;
894 1123
906 or return; 1135 or return;
907 1136
908 unless (aio_stat "$filename.pst") { 1137 unless (aio_stat "$filename.pst") {
909 (aio_load "$filename.pst", $av) >= 0 1138 (aio_load "$filename.pst", $av) >= 0
910 or return; 1139 or return;
1140
911 $av = eval { (Storable::thaw $av)->{objs} }; 1141 my $st = eval { Coro::Storable::thaw $av };
1142 $av = $st->{objs};
912 } 1143 }
913 1144
1145 utf8::decode (my $decname = $filename);
914 warn sprintf "loading %s (%d)\n", 1146 warn sprintf "loading %s (%d,%d)\n",
915 $filename, length $data, scalar @{$av || []};#d# 1147 $decname, length $data, scalar @{$av || []};
1148
916 return ($data, $av); 1149 ($data, $av)
917} 1150}
1151
1152=head2 COMMAND CALLBACKS
1153
1154=over 4
1155
1156=cut
918 1157
919############################################################################# 1158#############################################################################
920# command handling &c 1159# command handling &c
921 1160
922=item cf::register_command $name => \&callback($ob,$args); 1161=item cf::register_command $name => \&callback($ob,$args);
935 push @{ $COMMAND{$name} }, [$caller, $cb]; 1174 push @{ $COMMAND{$name} }, [$caller, $cb];
936} 1175}
937 1176
938=item cf::register_extcmd $name => \&callback($pl,$packet); 1177=item cf::register_extcmd $name => \&callback($pl,$packet);
939 1178
940Register a callbackf ro execution when the client sends an extcmd packet. 1179Register a callback for execution when the client sends an (synchronous)
1180extcmd packet. Ext commands will be processed in the order they are
1181received by the server, like other user commands. The first argument is
1182the logged-in player. Ext commands can only be processed after a player
1183has logged in successfully.
941 1184
942If the callback returns something, it is sent back as if reply was being 1185If the callback returns something, it is sent back as if reply was being
943called. 1186called.
944 1187
1188=item cf::register_exticmd $name => \&callback($ns,$packet);
1189
1190Register a callback for execution when the client sends an (asynchronous)
1191exticmd packet. Exti commands are processed by the server as soon as they
1192are received, i.e. out of order w.r.t. other commands. The first argument
1193is a client socket. Exti commands can be received anytime, even before
1194log-in.
1195
1196If the callback returns something, it is sent back as if reply was being
1197called.
1198
945=cut 1199=cut
946 1200
947sub register_extcmd { 1201sub register_extcmd {
948 my ($name, $cb) = @_; 1202 my ($name, $cb) = @_;
949 1203
950 my $caller = caller;
951 #warn "registering extcmd '$name' to '$caller'";
952
953 $EXTCMD{$name} = [$cb, $caller]; 1204 $EXTCMD{$name} = $cb;
1205}
1206
1207sub register_exticmd {
1208 my ($name, $cb) = @_;
1209
1210 $EXTICMD{$name} = $cb;
954} 1211}
955 1212
956cf::player->attach ( 1213cf::player->attach (
957 on_command => sub { 1214 on_command => sub {
958 my ($pl, $name, $params) = @_; 1215 my ($pl, $name, $params) = @_;
967 cf::override; 1224 cf::override;
968 }, 1225 },
969 on_extcmd => sub { 1226 on_extcmd => sub {
970 my ($pl, $buf) = @_; 1227 my ($pl, $buf) = @_;
971 1228
972 my $msg = eval { from_json $buf }; 1229 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973 1230
974 if (ref $msg) { 1231 if (ref $msg) {
1232 my ($type, $reply, @payload) =
1233 "ARRAY" eq ref $msg
1234 ? @$msg
1235 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236
1237 my @reply;
1238
975 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1239 if (my $cb = $EXTCMD{$type}) {
976 if (my %reply = $cb->[0]->($pl, $msg)) { 1240 @reply = $cb->($pl, @payload);
977 $pl->ext_reply ($msg->{msgid}, %reply);
978 }
979 } 1241 }
1242
1243 $pl->ext_reply ($reply, @reply)
1244 if $reply;
1245
980 } else { 1246 } else {
981 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1247 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982 } 1248 }
983 1249
984 cf::override; 1250 cf::override;
985 }, 1251 },
986); 1252);
987 1253
988sub register {
989 my ($base, $pkg) = @_;
990
991 #TODO
992}
993
994sub load_extension {
995 my ($path) = @_;
996
997 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
998 my $base = $1;
999 my $pkg = $1;
1000 $pkg =~ s/[^[:word:]]/_/g;
1001 $pkg = "ext::$pkg";
1002
1003 warn "loading '$path' into '$pkg'\n";
1004
1005 open my $fh, "<:utf8", $path
1006 or die "$path: $!";
1007
1008 my $source =
1009 "package $pkg; use strict; use utf8;\n"
1010 . "#line 1 \"$path\"\n{\n"
1011 . (do { local $/; <$fh> })
1012 . "\n};\n1";
1013
1014 eval $source
1015 or die $@ ? "$path: $@\n"
1016 : "extension disabled.\n";
1017
1018 push @exts, $pkg;
1019 $ext_pkg{$base} = $pkg;
1020
1021# no strict 'refs';
1022# @{"$pkg\::ISA"} = ext::;
1023
1024 register $base, $pkg;
1025}
1026
1027sub unload_extension {
1028 my ($pkg) = @_;
1029
1030 warn "removing extension $pkg\n";
1031
1032 # remove hooks
1033 #TODO
1034# for my $idx (0 .. $#PLUGIN_EVENT) {
1035# delete $hook[$idx]{$pkg};
1036# }
1037
1038 # remove commands
1039 for my $name (keys %COMMAND) {
1040 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042 if (@cb) {
1043 $COMMAND{$name} = \@cb;
1044 } else {
1045 delete $COMMAND{$name};
1046 }
1047 }
1048
1049 # remove extcmds
1050 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051 delete $EXTCMD{$name};
1052 }
1053
1054 if (my $cb = $pkg->can ("unload")) {
1055 eval {
1056 $cb->($pkg);
1057 1
1058 } or warn "$pkg unloaded, but with errors: $@";
1059 }
1060
1061 Symbol::delete_package $pkg;
1062}
1063
1064sub load_extensions { 1254sub load_extensions {
1255 cf::sync_job {
1256 my %todo;
1257
1065 for my $ext (<$LIBDIR/*.ext>) { 1258 for my $path (<$LIBDIR/*.ext>) {
1066 next unless -r $ext; 1259 next unless -r $path;
1067 eval { 1260
1068 load_extension $ext; 1261 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1262 my $base = $1;
1263 my $pkg = $1;
1264 $pkg =~ s/[^[:word:]]/_/g;
1265 $pkg = "ext::$pkg";
1266
1267 open my $fh, "<:utf8", $path
1268 or die "$path: $!";
1269
1270 my $source = do { local $/; <$fh> };
1271
1272 my %ext = (
1273 path => $path,
1274 base => $base,
1275 pkg => $pkg,
1276 );
1277
1278 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280
1281 $ext{source} =
1282 "package $pkg; use strict; use utf8;\n"
1283 . "#line 1 \"$path\"\n{\n"
1284 . $source
1285 . "\n};\n1";
1286
1287 $todo{$base} = \%ext;
1288 }
1289
1290 my %done;
1291 while (%todo) {
1292 my $progress;
1293
1294 while (my ($k, $v) = each %todo) {
1295 for (split /,\s*/, $v->{meta}{depends}) {
1296 goto skip
1297 unless exists $done{$_};
1298 }
1299
1300 warn "... loading '$k' into '$v->{pkg}'\n";
1301
1302 unless (eval $v->{source}) {
1303 my $msg = $@ ? "$v->{path}: $@\n"
1304 : "$v->{base}: extension inactive.\n";
1305
1306 if (exists $v->{meta}{mandatory}) {
1307 warn $msg;
1308 warn "mandatory extension failed to load, exiting.\n";
1309 exit 1;
1310 }
1311
1312 warn $msg;
1313 }
1314
1315 $done{$k} = delete $todo{$k};
1316 push @EXTS, $v->{pkg};
1317 $progress = 1;
1069 1 1318 }
1070 } or warn "$ext not loaded: $@"; 1319
1320 skip:
1321 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1322 unless $progress;
1323 }
1071 } 1324 };
1072} 1325}
1073 1326
1074############################################################################# 1327#############################################################################
1075# load/save/clean perl data associated with a map
1076 1328
1077*cf::mapsupport::on_clean = sub { 1329=back
1078 my ($map) = @_;
1079
1080 my $path = $map->tmpname;
1081 defined $path or return;
1082
1083 unlink "$path.pst";
1084};
1085
1086cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088#############################################################################
1089 1330
1090=head2 CORE EXTENSIONS 1331=head2 CORE EXTENSIONS
1091 1332
1092Functions and methods that extend core crossfire objects. 1333Functions and methods that extend core crossfire objects.
1093 1334
1099 1340
1100=head3 cf::player 1341=head3 cf::player
1101 1342
1102=over 4 1343=over 4
1103 1344
1345=item cf::player::num_playing
1346
1347Returns the official number of playing players, as per the Crossfire metaserver rules.
1348
1349=cut
1350
1351sub num_playing {
1352 scalar grep
1353 $_->ob->map
1354 && !$_->hidden
1355 && !$_->ob->flag (cf::FLAG_WIZ),
1356 cf::player::list
1357}
1358
1104=item cf::player::find $login 1359=item cf::player::find $login
1105 1360
1106Returns the given player object, loading it if necessary (might block). 1361Returns the given player object, loading it if necessary (might block).
1107 1362
1108=cut 1363=cut
1109 1364
1110sub playerdir($) { 1365sub playerdir($) {
1111 cf::localdir 1366 "$PLAYERDIR/"
1112 . "/"
1113 . cf::playerdir
1114 . "/"
1115 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1367 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1116} 1368}
1117 1369
1118sub path($) { 1370sub path($) {
1119 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1371 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120 1372
1121 (playerdir $login) . "/$login.pl" 1373 (playerdir $login) . "/playerdata"
1122} 1374}
1123 1375
1124sub find_active($) { 1376sub find_active($) {
1125 $cf::PLAYER{$_[0]} 1377 $cf::PLAYER{$_[0]}
1126 and $cf::PLAYER{$_[0]}->active 1378 and $cf::PLAYER{$_[0]}->active
1129 1381
1130sub exists($) { 1382sub exists($) {
1131 my ($login) = @_; 1383 my ($login) = @_;
1132 1384
1133 $cf::PLAYER{$login} 1385 $cf::PLAYER{$login}
1134 or cf::sync_job { !aio_stat $login } 1386 or cf::sync_job { !aio_stat path $login }
1135} 1387}
1136 1388
1137sub find($) { 1389sub find($) {
1138 return $cf::PLAYER{$_[0]} || do { 1390 return $cf::PLAYER{$_[0]} || do {
1139 my $login = $_[0]; 1391 my $login = $_[0];
1140 1392
1141 my $guard = cf::lock_acquire "user_find:$login"; 1393 my $guard = cf::lock_acquire "user_find:$login";
1142 1394
1143 $cf::PLAYER{$_[0]} || do { 1395 $cf::PLAYER{$_[0]} || do {
1144 my $pl = load_pl path $login 1396 # rename old playerfiles to new ones
1397 #TODO: remove when no longer required
1398 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1399 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1400 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1401 aio_unlink +(playerdir $login) . "/$login.pl";
1402
1403 my $f = new_from_file cf::object::thawer path $login
1145 or return; 1404 or return;
1405
1406 my $pl = cf::player::load_pl $f
1407 or return;
1408 local $cf::PLAYER_LOADING{$login} = $pl;
1409 $f->resolve_delayed_derefs;
1146 $cf::PLAYER{$login} = $pl 1410 $cf::PLAYER{$login} = $pl
1147 } 1411 }
1148 } 1412 }
1149} 1413}
1150 1414
1160 1424
1161 aio_mkdir playerdir $pl, 0770; 1425 aio_mkdir playerdir $pl, 0770;
1162 $pl->{last_save} = $cf::RUNTIME; 1426 $pl->{last_save} = $cf::RUNTIME;
1163 1427
1164 $pl->save_pl ($path); 1428 $pl->save_pl ($path);
1165 Coro::cede; 1429 cf::cede_to_tick;
1166} 1430}
1167 1431
1168sub new($) { 1432sub new($) {
1169 my ($login) = @_; 1433 my ($login) = @_;
1170 1434
1176 $cf::PLAYER{$login} = $self; 1440 $cf::PLAYER{$login} = $self;
1177 1441
1178 $self 1442 $self
1179} 1443}
1180 1444
1445=item $player->send_msg ($channel, $msg, $color, [extra...])
1446
1447=cut
1448
1449sub send_msg {
1450 my $ns = shift->ns
1451 or return;
1452 $ns->send_msg (@_);
1453}
1454
1181=item $pl->quit_character 1455=item $pl->quit_character
1182 1456
1183Nukes the player without looking back. If logged in, the connection will 1457Nukes the player without looking back. If logged in, the connection will
1184be destroyed. May block for a long time. 1458be destroyed. May block for a long time.
1185 1459
1186=cut 1460=cut
1187 1461
1188sub quit_character { 1462sub quit_character {
1189 my ($pl) = @_; 1463 my ($pl) = @_;
1464
1465 my $name = $pl->ob->name;
1190 1466
1191 $pl->{deny_save} = 1; 1467 $pl->{deny_save} = 1;
1192 $pl->password ("*"); # this should lock out the player until we nuked the dir 1468 $pl->password ("*"); # this should lock out the player until we nuked the dir
1193 1469
1194 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1470 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1199 my $path = playerdir $pl; 1475 my $path = playerdir $pl;
1200 my $temp = "$path~$cf::RUNTIME~deleting~"; 1476 my $temp = "$path~$cf::RUNTIME~deleting~";
1201 aio_rename $path, $temp; 1477 aio_rename $path, $temp;
1202 delete $cf::PLAYER{$pl->ob->name}; 1478 delete $cf::PLAYER{$pl->ob->name};
1203 $pl->destroy; 1479 $pl->destroy;
1480
1481 my $prefix = qr<^~\Q$name\E/>;
1482
1483 # nuke player maps
1484 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1485
1204 IO::AIO::aio_rmtree $temp; 1486 IO::AIO::aio_rmtree $temp;
1487}
1488
1489=item $pl->kick
1490
1491Kicks a player out of the game. This destroys the connection.
1492
1493=cut
1494
1495sub kick {
1496 my ($pl, $kicker) = @_;
1497
1498 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1499 $pl->killer ("kicked");
1500 $pl->ns->destroy;
1205} 1501}
1206 1502
1207=item cf::player::list_logins 1503=item cf::player::list_logins
1208 1504
1209Returns am arrayref of all valid playernames in the system, can take a 1505Returns am arrayref of all valid playernames in the system, can take a
1210while and may block, so not sync_job-capable, ever. 1506while and may block, so not sync_job-capable, ever.
1211 1507
1212=cut 1508=cut
1213 1509
1214sub list_logins { 1510sub list_logins {
1215 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1511 my $dirs = aio_readdir $PLAYERDIR
1216 or return []; 1512 or return [];
1217 1513
1218 my @logins; 1514 my @logins;
1219 1515
1220 for my $login (@$dirs) { 1516 for my $login (@$dirs) {
1517 my $path = path $login;
1518
1519 # a .pst is a dead give-away for a valid player
1520 unless (-e "$path.pst") {
1221 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1521 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222 aio_read $fh, 0, 512, my $buf, 0 or next; 1522 aio_read $fh, 0, 512, my $buf, 0 or next;
1223 $buf !~ /^password -------------$/m or next; # official not-valid tag 1523 $buf !~ /^password -------------$/m or next; # official not-valid tag
1524 }
1224 1525
1225 utf8::decode $login; 1526 utf8::decode $login;
1226 push @logins, $login; 1527 push @logins, $login;
1227 } 1528 }
1228 1529
1229 \@logins 1530 \@logins
1230} 1531}
1231 1532
1232=item $player->maps 1533=item $player->maps
1233 1534
1234Returns an arrayref of cf::path's of all maps that are private for this 1535Returns an arrayref of map paths that are private for this
1235player. May block. 1536player. May block.
1236 1537
1237=cut 1538=cut
1238 1539
1239sub maps($) { 1540sub maps($) {
1240 my ($pl) = @_; 1541 my ($pl) = @_;
1542
1543 $pl = ref $pl ? $pl->ob->name : $pl;
1241 1544
1242 my $files = aio_readdir playerdir $pl 1545 my $files = aio_readdir playerdir $pl
1243 or return; 1546 or return;
1244 1547
1245 my @paths; 1548 my @paths;
1247 for (@$files) { 1550 for (@$files) {
1248 utf8::decode $_; 1551 utf8::decode $_;
1249 next if /\.(?:pl|pst)$/; 1552 next if /\.(?:pl|pst)$/;
1250 next unless /^$PATH_SEP/o; 1553 next unless /^$PATH_SEP/o;
1251 1554
1252 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1555 push @paths, cf::map::normalise "~$pl/$_";
1253 } 1556 }
1254 1557
1255 \@paths 1558 \@paths
1256} 1559}
1257 1560
1561=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1562
1563Expand crossfire pod fragments into protocol xml.
1564
1565=cut
1566
1567use re 'eval';
1568
1569my $group;
1570my $interior; $interior = qr{
1571 # match a pod interior sequence sans C<< >>
1572 (?:
1573 \ (.*?)\ (?{ $group = $^N })
1574 | < (??{$interior}) >
1575 )
1576}x;
1577
1578sub expand_cfpod {
1579 my ($self, $pod) = @_;
1580
1581 my $xml;
1582
1583 while () {
1584 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585 $group = $1;
1586
1587 $group =~ s/&/&amp;/g;
1588 $group =~ s/</&lt;/g;
1589
1590 $xml .= $group;
1591 } elsif ($pod =~ m%\G
1592 ([BCGHITU])
1593 <
1594 (?:
1595 ([^<>]*) (?{ $group = $^N })
1596 | < $interior >
1597 )
1598 >
1599 %gcsx
1600 ) {
1601 my ($code, $data) = ($1, $group);
1602
1603 if ($code eq "B") {
1604 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605 } elsif ($code eq "I") {
1606 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607 } elsif ($code eq "U") {
1608 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609 } elsif ($code eq "C") {
1610 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611 } elsif ($code eq "T") {
1612 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613 } elsif ($code eq "G") {
1614 my ($male, $female) = split /\|/, $data;
1615 $data = $self->gender ? $female : $male;
1616 $xml .= expand_cfpod ($self, $data);
1617 } elsif ($code eq "H") {
1618 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620 "")
1621 [$self->{hintmode}];
1622 } else {
1623 $xml .= "error processing '$code($data)' directive";
1624 }
1625 } else {
1626 if ($pod =~ /\G(.+)/) {
1627 warn "parse error while expanding $pod (at $1)";
1628 }
1629 last;
1630 }
1631 }
1632
1633 for ($xml) {
1634 # create single paragraphs (very hackish)
1635 s/(?<=\S)\n(?=\w)/ /g;
1636
1637 # compress some whitespace
1638 s/\s+\n/\n/g; # ws line-ends
1639 s/\n\n+/\n/g; # double lines
1640 s/^\n+//; # beginning lines
1641 s/\n+$//; # ending lines
1642 }
1643
1644 $xml
1645}
1646
1647no re 'eval';
1648
1649sub hintmode {
1650 $_[0]{hintmode} = $_[1] if @_ > 1;
1651 $_[0]{hintmode}
1652}
1653
1258=item $player->ext_reply ($msgid, $msgtype, %msg) 1654=item $player->ext_reply ($msgid, @msg)
1259 1655
1260Sends an ext reply to the player. 1656Sends an ext reply to the player.
1261 1657
1262=cut 1658=cut
1263 1659
1264sub ext_reply($$$%) { 1660sub ext_reply($$@) {
1265 my ($self, $id, %msg) = @_; 1661 my ($self, $id, @msg) = @_;
1266 1662
1267 $msg{msgid} = $id; 1663 $self->ns->ext_reply ($id, @msg)
1268
1269 $self->send ("ext " . cf::to_json \%msg);
1270} 1664}
1271 1665
1272package cf; 1666=item $player->ext_msg ($type, @msg)
1667
1668Sends an ext event to the client.
1669
1670=cut
1671
1672sub ext_msg($$@) {
1673 my ($self, $type, @msg) = @_;
1674
1675 $self->ns->ext_msg ($type, @msg);
1676}
1677
1678=head3 cf::region
1679
1680=over 4
1681
1682=cut
1683
1684package cf::region;
1685
1686=item cf::region::find_by_path $path
1687
1688Tries to decuce the likely region for a map knowing only its path.
1689
1690=cut
1691
1692sub find_by_path($) {
1693 my ($path) = @_;
1694
1695 my ($match, $specificity);
1696
1697 for my $region (list) {
1698 if ($region->{match} && $path =~ $region->{match}) {
1699 ($match, $specificity) = ($region, $region->specificity)
1700 if $region->specificity > $specificity;
1701 }
1702 }
1703
1704 $match
1705}
1273 1706
1274=back 1707=back
1275
1276 1708
1277=head3 cf::map 1709=head3 cf::map
1278 1710
1279=over 4 1711=over 4
1280 1712
1283package cf::map; 1715package cf::map;
1284 1716
1285use Fcntl; 1717use Fcntl;
1286use Coro::AIO; 1718use Coro::AIO;
1287 1719
1720use overload
1721 '""' => \&as_string,
1722 fallback => 1;
1723
1288our $MAX_RESET = 3600; 1724our $MAX_RESET = 3600;
1289our $DEFAULT_RESET = 3000; 1725our $DEFAULT_RESET = 3000;
1290 1726
1291sub generate_random_map { 1727sub generate_random_map {
1292 my ($path, $rmp) = @_; 1728 my ($self, $rmp) = @_;
1293
1294 # mit "rum" bekleckern, nicht 1729 # mit "rum" bekleckern, nicht
1295 cf::map::_create_random_map 1730 $self->_create_random_map (
1296 $path,
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1731 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1732 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1733 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300 $rmp->{exit_on_final_map}, 1734 $rmp->{exit_on_final_map},
1301 $rmp->{xsize}, $rmp->{ysize}, 1735 $rmp->{xsize}, $rmp->{ysize},
1302 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1736 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1737 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1738 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1739 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1740 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307 (cf::region::find $rmp->{region}) 1741 (cf::region::find $rmp->{region}), $rmp->{custom}
1742 )
1743}
1744
1745=item cf::map->register ($regex, $prio)
1746
1747Register a handler for the map path matching the given regex at the
1748givne priority (higher is better, built-in handlers have priority 0, the
1749default).
1750
1751=cut
1752
1753sub register {
1754 my (undef, $regex, $prio) = @_;
1755 my $pkg = caller;
1756
1757 no strict;
1758 push @{"$pkg\::ISA"}, __PACKAGE__;
1759
1760 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1761}
1762
1763# also paths starting with '/'
1764$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1765
1766sub thawer_merge {
1767 my ($self, $merge) = @_;
1768
1769 # we have to keep some variables in memory intact
1770 local $self->{path};
1771 local $self->{load_path};
1772
1773 $self->SUPER::thawer_merge ($merge);
1774}
1775
1776sub normalise {
1777 my ($path, $base) = @_;
1778
1779 $path = "$path"; # make sure its a string
1780
1781 $path =~ s/\.map$//;
1782
1783 # map plan:
1784 #
1785 # /! non-realised random map exit (special hack!)
1786 # {... are special paths that are not being touched
1787 # ?xxx/... are special absolute paths
1788 # ?random/... random maps
1789 # /... normal maps
1790 # ~user/... per-player map of a specific user
1791
1792 $path =~ s/$PATH_SEP/\//go;
1793
1794 # treat it as relative path if it starts with
1795 # something that looks reasonable
1796 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1797 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1798
1799 $base =~ s{[^/]+/?$}{};
1800 $path = "$base/$path";
1801 }
1802
1803 for ($path) {
1804 redo if s{//}{/};
1805 redo if s{/\.?/}{/};
1806 redo if s{/[^/]+/\.\./}{/};
1807 }
1808
1809 $path
1810}
1811
1812sub new_from_path {
1813 my (undef, $path, $base) = @_;
1814
1815 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1816
1817 $path = normalise $path, $base;
1818
1819 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1820 if ($path =~ $EXT_MAP{$pkg}[1]) {
1821 my $self = bless cf::map::new, $pkg;
1822 $self->{path} = $path; $self->path ($path);
1823 $self->init; # pass $1 etc.
1824 return $self;
1825 }
1826 }
1827
1828 Carp::cluck "unable to resolve path '$path' (base '$base').";
1829 ()
1830}
1831
1832sub init {
1833 my ($self) = @_;
1834
1835 $self
1836}
1837
1838sub as_string {
1839 my ($self) = @_;
1840
1841 "$self->{path}"
1842}
1843
1844# the displayed name, this is a one way mapping
1845sub visible_name {
1846 &as_string
1847}
1848
1849# the original (read-only) location
1850sub load_path {
1851 my ($self) = @_;
1852
1853 "$MAPDIR/$self->{path}.map"
1854}
1855
1856# the temporary/swap location
1857sub save_path {
1858 my ($self) = @_;
1859
1860 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1861 "$TMPDIR/$path.map"
1862}
1863
1864# the unique path, undef == no special unique path
1865sub uniq_path {
1866 my ($self) = @_;
1867
1868 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1869 "$UNIQUEDIR/$path"
1308} 1870}
1309 1871
1310# and all this just because we cannot iterate over 1872# and all this just because we cannot iterate over
1311# all maps in C++... 1873# all maps in C++...
1312sub change_all_map_light { 1874sub change_all_map_light {
1314 1876
1315 $_->change_map_light ($change) 1877 $_->change_map_light ($change)
1316 for grep $_->outdoor, values %cf::MAP; 1878 for grep $_->outdoor, values %cf::MAP;
1317} 1879}
1318 1880
1881sub decay_objects {
1882 my ($self) = @_;
1883
1884 return if $self->{deny_reset};
1885
1886 $self->do_decay_objects;
1887}
1888
1889sub unlink_save {
1890 my ($self) = @_;
1891
1892 utf8::encode (my $save = $self->save_path);
1893 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1894 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1895}
1896
1319sub try_load_header($) { 1897sub load_header_from($) {
1320 my ($path) = @_; 1898 my ($self, $path) = @_;
1321 1899
1322 utf8::encode $path; 1900 utf8::encode $path;
1323 aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1324 or return; 1902 or return;
1325 1903
1326 my $map = cf::map::new 1904 $self->_load_header ($f)
1327 or return; 1905 or return;
1328 1906
1329 # for better error messages only, will be overwritten 1907 local $MAP_LOADING{$self->{path}} = $self;
1330 $map->path ($path); 1908 $f->resolve_delayed_derefs;
1331 1909
1332 $map->load_header ($path) 1910 $self->{load_path} = $path;
1911
1912 1
1913}
1914
1915sub load_header_orig {
1916 my ($self) = @_;
1917
1918 $self->load_header_from ($self->load_path)
1919}
1920
1921sub load_header_temp {
1922 my ($self) = @_;
1923
1924 $self->load_header_from ($self->save_path)
1925}
1926
1927sub prepare_temp {
1928 my ($self) = @_;
1929
1930 $self->last_access ((delete $self->{last_access})
1931 || $cf::RUNTIME); #d#
1932 # safety
1933 $self->{instantiate_time} = $cf::RUNTIME
1934 if $self->{instantiate_time} > $cf::RUNTIME;
1935}
1936
1937sub prepare_orig {
1938 my ($self) = @_;
1939
1940 $self->{load_original} = 1;
1941 $self->{instantiate_time} = $cf::RUNTIME;
1942 $self->last_access ($cf::RUNTIME);
1943 $self->instantiate;
1944}
1945
1946sub load_header {
1947 my ($self) = @_;
1948
1949 if ($self->load_header_temp) {
1950 $self->prepare_temp;
1951 } else {
1952 $self->load_header_orig
1333 or return; 1953 or return;
1954 $self->prepare_orig;
1955 }
1334 1956
1335 $map->{load_path} = $path; 1957 $self->{deny_reset} = 1
1958 if $self->no_reset;
1336 1959
1337 $map 1960 $self->default_region (cf::region::find_by_path $self->{path})
1961 unless $self->default_region;
1962
1963 1
1338} 1964}
1339 1965
1340sub find; 1966sub find;
1341sub find { 1967sub find {
1342 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1343 1969
1344 #warn "find<$path,$origin>\n";#d#
1345
1346 $path = new cf::path $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1347 my $key = $path->as_string;
1348 1971
1972 cf::lock_wait "map_data:$path";#d#remove
1349 cf::lock_wait "map_find:$key"; 1973 cf::lock_wait "map_find:$path";
1350 1974
1351 $cf::MAP{$key} || do { 1975 $cf::MAP{$path} || do {
1352 my $guard = cf::lock_acquire "map_find:$key"; 1976 my $guard1 = cf::lock_acquire "map_find:$path";
1977 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1353 1978
1354 # do it the slow way 1979 my $map = new_from_path cf::map $path
1355 my $map = try_load_header $path->save_path;
1356
1357 Coro::cede;
1358
1359 if ($map) {
1360 $map->last_access ((delete $map->{last_access})
1361 || $cf::RUNTIME); #d#
1362 # safety
1363 $map->{instantiate_time} = $cf::RUNTIME
1364 if $map->{instantiate_time} > $cf::RUNTIME;
1365 } else {
1366 if (my $rmp = $path->random_map_params) {
1367 $map = generate_random_map $key, $rmp;
1368 } else {
1369 $map = try_load_header $path->load_path;
1370 }
1371
1372 $map or return; 1980 or return;
1373 1981
1374 $map->{load_original} = 1;
1375 $map->{instantiate_time} = $cf::RUNTIME;
1376 $map->last_access ($cf::RUNTIME);
1377 $map->instantiate;
1378
1379 # per-player maps become, after loading, normal maps
1380 $map->per_player (0) if $path->{user_rel};
1381 }
1382
1383 $map->path ($key);
1384 $map->{path} = $path;
1385 $map->{last_save} = $cf::RUNTIME; 1982 $map->{last_save} = $cf::RUNTIME;
1386 1983
1387 Coro::cede; 1984 $map->load_header
1985 or return;
1388 1986
1389 if ($map->should_reset) { 1987 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1988 # doing this can freeze the server in a sync job, obviously
1989 #$cf::WAIT_FOR_TICK->wait;
1990 undef $guard1;
1991 undef $guard2;
1390 $map->reset; 1992 $map->reset;
1391 undef $guard;
1392 $map = find $path 1993 return find $path;
1393 or return;
1394 } 1994 }
1395 1995
1396 $cf::MAP{$key} = $map 1996 $cf::MAP{$path} = $map
1397 } 1997 }
1398} 1998}
1999
2000sub pre_load { }
2001sub post_load { }
1399 2002
1400sub load { 2003sub load {
1401 my ($self) = @_; 2004 my ($self) = @_;
1402 2005
2006 local $self->{deny_reset} = 1; # loading can take a long time
2007
1403 my $path = $self->{path}; 2008 my $path = $self->{path};
2009
2010 {
1404 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 2011 my $guard = cf::lock_acquire "map_data:$path";
1405 2012
2013 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2014 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2015
1408 $self->in_memory (cf::MAP_LOADING); 2016 $self->in_memory (cf::MAP_LOADING);
1409 2017
1410 $self->alloc; 2018 $self->alloc;
1411 $self->load_objects ($self->{load_path}, 1) 2019
2020 $self->pre_load;
2021 cf::cede_to_tick;
2022
2023 my $f = new_from_file cf::object::thawer $self->{load_path};
2024 $f->skip_block;
2025 $self->_load_objects ($f)
1412 or return; 2026 or return;
1413 2027
1414 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2028 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415 if delete $self->{load_original}; 2029 if delete $self->{load_original};
1416 2030
1417 if (my $uniq = $path->uniq_path) { 2031 if (my $uniq = $self->uniq_path) {
1418 utf8::encode $uniq; 2032 utf8::encode $uniq;
1419 if (aio_open $uniq, O_RDONLY, 0) { 2033 unless (aio_stat $uniq) {
2034 if (my $f = new_from_file cf::object::thawer $uniq) {
1420 $self->clear_unique_items; 2035 $self->clear_unique_items;
1421 $self->load_objects ($uniq, 0); 2036 $self->_load_objects ($f);
2037 $f->resolve_delayed_derefs;
2038 }
1422 } 2039 }
1423 } 2040 }
1424 2041
1425 Coro::cede; 2042 $f->resolve_delayed_derefs;
1426 2043
2044 cf::cede_to_tick;
1427 # now do the right thing for maps 2045 # now do the right thing for maps
1428 $self->link_multipart_objects; 2046 $self->link_multipart_objects;
1429
1430 if ($self->{path}->is_style_map) {
1431 $self->{deny_save} = 1;
1432 $self->{deny_reset} = 1;
1433 } else {
1434 $self->fix_auto_apply;
1435 $self->decay_objects;
1436 $self->update_buttons;
1437 $self->set_darkness_map;
1438 $self->difficulty ($self->estimate_difficulty) 2047 $self->difficulty ($self->estimate_difficulty)
1439 unless $self->difficulty; 2048 unless $self->difficulty;
2049 cf::cede_to_tick;
2050
2051 unless ($self->{deny_activate}) {
2052 $self->decay_objects;
2053 $self->fix_auto_apply;
2054 $self->update_buttons;
2055 cf::cede_to_tick;
2056 $self->set_darkness_map;
2057 cf::cede_to_tick;
1440 $self->activate; 2058 $self->activate;
1441 } 2059 }
1442 2060
1443 Coro::cede; 2061 $self->{last_save} = $cf::RUNTIME;
2062 $self->last_access ($cf::RUNTIME);
1444 2063
1445 $self->in_memory (cf::MAP_IN_MEMORY); 2064 $self->in_memory (cf::MAP_IN_MEMORY);
2065 }
2066
2067 $self->post_load;
2068}
2069
2070sub customise_for {
2071 my ($self, $ob) = @_;
2072
2073 return find "~" . $ob->name . "/" . $self->{path}
2074 if $self->per_player;
2075
2076# return find "?party/" . $ob->name . "/" . $self->{path}
2077# if $self->per_party;
2078
2079 $self
1446} 2080}
1447 2081
1448# find and load all maps in the 3x3 area around a map 2082# find and load all maps in the 3x3 area around a map
1449sub load_diag { 2083sub load_neighbours {
1450 my ($map) = @_; 2084 my ($map) = @_;
1451 2085
1452 my @diag; # diagonal neighbours 2086 my @neigh; # diagonal neighbours
1453 2087
1454 for (0 .. 3) { 2088 for (0 .. 3) {
1455 my $neigh = $map->tile_path ($_) 2089 my $neigh = $map->tile_path ($_)
1456 or next; 2090 or next;
1457 $neigh = find $neigh, $map 2091 $neigh = find $neigh, $map
1458 or next; 2092 or next;
1459 $neigh->load; 2093 $neigh->load;
1460 2094
2095 push @neigh,
1461 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2096 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1462 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2097 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1463 } 2098 }
1464 2099
1465 for (@diag) { 2100 for (grep defined $_->[0], @neigh) {
2101 my ($path, $origin) = @$_;
1466 my $neigh = find @$_ 2102 my $neigh = find $path, $origin
1467 or next; 2103 or next;
1468 $neigh->load; 2104 $neigh->load;
1469 } 2105 }
1470} 2106}
1471 2107
1476} 2112}
1477 2113
1478sub do_load_sync { 2114sub do_load_sync {
1479 my ($map) = @_; 2115 my ($map) = @_;
1480 2116
2117 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2118 if $Coro::current == $Coro::main;
2119
1481 cf::sync_job { $map->load }; 2120 cf::sync_job { $map->load };
1482} 2121}
1483 2122
1484our %MAP_PREFETCH; 2123our %MAP_PREFETCH;
2124our $MAP_PREFETCHER = undef;
2125
2126sub find_async {
2127 my ($path, $origin, $load) = @_;
2128
2129 $path = normalise $path, $origin && $origin->{path};
2130
2131 if (my $map = $cf::MAP{$path}) {
2132 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2133 }
2134
2135 $MAP_PREFETCH{$path} |= $load;
2136
1485our $MAP_PREFETCHER = Coro::async { 2137 $MAP_PREFETCHER ||= cf::async {
1486 while () { 2138 $Coro::current->{desc} = "map prefetcher";
2139
1487 while (%MAP_PREFETCH) { 2140 while (%MAP_PREFETCH) {
1488 my $key = each %MAP_PREFETCH 2141 while (my ($k, $v) = each %MAP_PREFETCH) {
1489 or next; 2142 if (my $map = find $k) {
2143 $map->load if $v;
2144 }
2145
1490 my $path = delete $MAP_PREFETCH{$key}; 2146 delete $MAP_PREFETCH{$k};
1491
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495 } 2147 }
1496 Coro::schedule; 2148 }
2149 undef $MAP_PREFETCHER;
1497 } 2150 };
1498};
1499
1500sub find_async {
1501 my ($path, $origin) = @_;
1502
1503 $path = new cf::path $path, $origin && $origin->path;
1504 my $key = $path->as_string;
1505
1506 if (my $map = $cf::MAP{$key}) {
1507 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508 }
1509
1510 $MAP_PREFETCH{$key} = $path;
1511 $MAP_PREFETCHER->ready; 2151 $MAP_PREFETCHER->prio (6);
1512 2152
1513 () 2153 ()
1514} 2154}
1515 2155
1516sub save { 2156sub save {
1517 my ($self) = @_; 2157 my ($self) = @_;
1518 2158
1519 my $lock = cf::lock_acquire "map_data:" . $self->path; 2159 my $lock = cf::lock_acquire "map_data:$self->{path}";
1520 2160
1521 $self->{last_save} = $cf::RUNTIME; 2161 $self->{last_save} = $cf::RUNTIME;
1522 2162
1523 return unless $self->dirty; 2163 return unless $self->dirty;
1524 2164
1525 my $save = $self->{path}->save_path; utf8::encode $save; 2165 my $save = $self->save_path; utf8::encode $save;
1526 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2166 my $uniq = $self->uniq_path; utf8::encode $uniq;
1527 2167
1528 $self->{load_path} = $save; 2168 $self->{load_path} = $save;
1529 2169
1530 return if $self->{deny_save}; 2170 return if $self->{deny_save};
1531 2171
1532 local $self->{last_access} = $self->last_access;#d# 2172 local $self->{last_access} = $self->last_access;#d#
1533 2173
1534 cf::async { 2174 cf::async {
2175 $Coro::current->{desc} = "map player save";
1535 $_->contr->save for $self->players; 2176 $_->contr->save for $self->players;
1536 }; 2177 };
1537 2178
1538 if ($uniq) { 2179 if ($uniq) {
1539 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2180 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540 $self->save_objects ($uniq, cf::IO_UNIQUES); 2181 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1541 } else { 2182 } else {
1542 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2183 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543 } 2184 }
1544} 2185}
1545 2186
1546sub swap_out { 2187sub swap_out {
1547 my ($self) = @_; 2188 my ($self) = @_;
1548 2189
1549 # save first because save cedes 2190 # save first because save cedes
1550 $self->save; 2191 $self->save;
1551 2192
1552 my $lock = cf::lock_acquire "map_data:" . $self->path; 2193 my $lock = cf::lock_acquire "map_data:$self->{path}";
1553 2194
1554 return if $self->players; 2195 return if $self->players;
1555 return if $self->in_memory != cf::MAP_IN_MEMORY; 2196 return if $self->in_memory != cf::MAP_IN_MEMORY;
1556 return if $self->{deny_save}; 2197 return if $self->{deny_save};
1557 2198
2199 $self->in_memory (cf::MAP_SWAPPED);
2200
2201 $self->deactivate;
2202 $_->clear_links_to ($self) for values %cf::MAP;
1558 $self->clear; 2203 $self->clear;
1559 $self->in_memory (cf::MAP_SWAPPED);
1560} 2204}
1561 2205
1562sub reset_at { 2206sub reset_at {
1563 my ($self) = @_; 2207 my ($self) = @_;
1564 2208
1565 # TODO: safety, remove and allow resettable per-player maps 2209 # TODO: safety, remove and allow resettable per-player maps
1566 return 1e99 if $self->{path}{user_rel};
1567 return 1e99 if $self->{deny_reset}; 2210 return 1e99 if $self->{deny_reset};
1568 2211
1569 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2212 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2213 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571 2214
1576 my ($self) = @_; 2219 my ($self) = @_;
1577 2220
1578 $self->reset_at <= $cf::RUNTIME 2221 $self->reset_at <= $cf::RUNTIME
1579} 2222}
1580 2223
1581sub unlink_save {
1582 my ($self) = @_;
1583
1584 utf8::encode (my $save = $self->{path}->save_path);
1585 aioreq_pri 3; IO::AIO::aio_unlink $save;
1586 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587}
1588
1589sub rename {
1590 my ($self, $new_path) = @_;
1591
1592 $self->unlink_save;
1593
1594 delete $cf::MAP{$self->path};
1595 $self->{path} = new cf::path $new_path;
1596 $self->path ($self->{path}->as_string);
1597 $cf::MAP{$self->path} = $self;
1598
1599 $self->save;
1600}
1601
1602sub reset { 2224sub reset {
1603 my ($self) = @_; 2225 my ($self) = @_;
1604 2226
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2228
1607 return if $self->players; 2229 return if $self->players;
1608 return if $self->{path}{user_rel};#d#
1609 2230
1610 warn "resetting map ", $self->path;#d# 2231 warn "resetting map ", $self->path;
2232
2233 $self->in_memory (cf::MAP_SWAPPED);
2234
2235 # need to save uniques path
2236 unless ($self->{deny_save}) {
2237 my $uniq = $self->uniq_path; utf8::encode $uniq;
2238
2239 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2240 if $uniq;
2241 }
1611 2242
1612 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
1613 2244
2245 $self->deactivate;
1614 $_->clear_links_to ($self) for values %cf::MAP; 2246 $_->clear_links_to ($self) for values %cf::MAP;
2247 $self->clear;
1615 2248
1616 $self->unlink_save; 2249 $self->unlink_save;
1617 $self->destroy; 2250 $self->destroy;
1618} 2251}
1619 2252
1620my $nuke_counter = "aaaa"; 2253my $nuke_counter = "aaaa";
1621 2254
1622sub nuke { 2255sub nuke {
1623 my ($self) = @_; 2256 my ($self) = @_;
1624 2257
2258 {
2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
2260
2261 delete $cf::MAP{$self->path};
2262
2263 $self->unlink_save;
2264
2265 bless $self, "cf::map";
2266 delete $self->{deny_reset};
1625 $self->{deny_save} = 1; 2267 $self->{deny_save} = 1;
1626 $self->reset_timeout (1); 2268 $self->reset_timeout (1);
1627 $self->rename ("{nuke}/" . ($nuke_counter++)); 2269 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2270
2271 $cf::MAP{$self->path} = $self;
2272 }
2273
1628 $self->reset; # polite request, might not happen 2274 $self->reset; # polite request, might not happen
1629} 2275}
1630 2276
1631sub customise_for { 2277=item $maps = cf::map::tmp_maps
1632 my ($map, $ob) = @_;
1633 2278
1634 if ($map->per_player) { 2279Returns an arrayref with all map paths of currently instantiated and saved
1635 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2280maps. May block.
2281
2282=cut
2283
2284sub tmp_maps() {
1636 } 2285 [
2286 map {
2287 utf8::decode $_;
2288 /\.map$/
2289 ? normalise $_
2290 : ()
2291 } @{ aio_readdir $TMPDIR or [] }
2292 ]
2293}
1637 2294
1638 $map 2295=item $maps = cf::map::random_maps
2296
2297Returns an arrayref with all map paths of currently instantiated and saved
2298random maps. May block.
2299
2300=cut
2301
2302sub random_maps() {
2303 [
2304 map {
2305 utf8::decode $_;
2306 /\.map$/
2307 ? normalise "?random/$_"
2308 : ()
2309 } @{ aio_readdir $RANDOMDIR or [] }
2310 ]
1639} 2311}
1640 2312
1641=item cf::map::unique_maps 2313=item cf::map::unique_maps
1642 2314
1643Returns an arrayref of cf::path's of all shared maps that have 2315Returns an arrayref of paths of all shared maps that have
1644instantiated unique items. May block. 2316instantiated unique items. May block.
1645 2317
1646=cut 2318=cut
1647 2319
1648sub unique_maps() { 2320sub unique_maps() {
1649 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2321 [
1650 or return; 2322 map {
1651
1652 my @paths;
1653
1654 for (@$files) {
1655 utf8::decode $_; 2323 utf8::decode $_;
1656 next if /\.pst$/; 2324 /\.map$/
1657 next unless /^$PATH_SEP/o; 2325 ? normalise $_
1658 2326 : ()
1659 push @paths, new cf::path $_; 2327 } @{ aio_readdir $UNIQUEDIR or [] }
1660 } 2328 ]
1661
1662 \@paths
1663} 2329}
1664 2330
1665package cf; 2331package cf;
1666 2332
1667=back 2333=back
1685 map { $_, inv_recursive_ $_->inv } @_ 2351 map { $_, inv_recursive_ $_->inv } @_
1686} 2352}
1687 2353
1688sub inv_recursive { 2354sub inv_recursive {
1689 inv_recursive_ inv $_[0] 2355 inv_recursive_ inv $_[0]
2356}
2357
2358=item $ref = $ob->ref
2359
2360creates and returns a persistent reference to an objetc that can be stored as a string.
2361
2362=item $ob = cf::object::deref ($refstring)
2363
2364returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2365even if the object actually exists. May block.
2366
2367=cut
2368
2369sub deref {
2370 my ($ref) = @_;
2371
2372 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2373 my ($uuid, $name) = ($1, $2);
2374 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2375 or return;
2376 $pl->ob->uuid eq $uuid
2377 or return;
2378
2379 $pl->ob
2380 } else {
2381 warn "$ref: cannot resolve object reference\n";
2382 undef
2383 }
1690} 2384}
1691 2385
1692package cf; 2386package cf;
1693 2387
1694=back 2388=back
1713 2407
1714 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2408 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715 2409
1716 if ($self->{record_replies}) { 2410 if ($self->{record_replies}) {
1717 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2411 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2412
1718 } else { 2413 } else {
2414 my $pl = $self->contr;
2415
2416 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2417 my $dialog = $pl->{npc_dialog};
2418 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419
2420 } else {
1719 $msg = $npc->name . " says: $msg" if $npc; 2421 $msg = $npc->name . " says: $msg" if $npc;
1720 $self->message ($msg, $flags); 2422 $self->message ($msg, $flags);
2423 }
1721 } 2424 }
2425}
2426
2427=item $object->send_msg ($channel, $msg, $color, [extra...])
2428
2429=cut
2430
2431sub cf::object::send_msg {
2432 my $pl = shift->contr
2433 or return;
2434 $pl->send_msg (@_);
1722} 2435}
1723 2436
1724=item $player_object->may ("access") 2437=item $player_object->may ("access")
1725 2438
1726Returns wether the given player is authorized to access resource "access" 2439Returns wether the given player is authorized to access resource "access"
1739 2452
1740=item $player_object->enter_link 2453=item $player_object->enter_link
1741 2454
1742Freezes the player and moves him/her to a special map (C<{link}>). 2455Freezes the player and moves him/her to a special map (C<{link}>).
1743 2456
1744The player should be reaosnably safe there for short amounts of time. You 2457The player should be reasonably safe there for short amounts of time. You
1745I<MUST> call C<leave_link> as soon as possible, though. 2458I<MUST> call C<leave_link> as soon as possible, though.
1746 2459
2460Will never block.
2461
1747=item $player_object->leave_link ($map, $x, $y) 2462=item $player_object->leave_link ($map, $x, $y)
1748 2463
1749Moves the player out of the specila link map onto the given map. If the 2464Moves the player out of the special C<{link}> map onto the specified
1750map is not valid (or omitted), the player will be moved back to the 2465map. If the map is not valid (or omitted), the player will be moved back
1751location he/she was before the call to C<enter_link>, or, if that fails, 2466to the location he/she was before the call to C<enter_link>, or, if that
1752to the emergency map position. 2467fails, to the emergency map position.
1753 2468
1754Might block. 2469Might block.
1755 2470
1756=cut 2471=cut
2472
2473sub link_map {
2474 unless ($LINK_MAP) {
2475 $LINK_MAP = cf::map::find "{link}"
2476 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2477 $LINK_MAP->load;
2478 }
2479
2480 $LINK_MAP
2481}
1757 2482
1758sub cf::object::player::enter_link { 2483sub cf::object::player::enter_link {
1759 my ($self) = @_; 2484 my ($self) = @_;
1760 2485
1761 $self->deactivate_recursive; 2486 $self->deactivate_recursive;
1762 2487
1763 return if $self->map == $LINK_MAP; 2488 return if UNIVERSAL::isa $self->map, "ext::map_link";
1764 2489
1765 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766 if $self->map; 2491 if $self->map && $self->map->{path} ne "{link}";
1767 2492
1768 $self->enter_map ($LINK_MAP, 20, 20); 2493 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1769} 2494}
1770 2495
1771sub cf::object::player::leave_link { 2496sub cf::object::player::leave_link {
1772 my ($self, $map, $x, $y) = @_; 2497 my ($self, $map, $x, $y) = @_;
2498
2499 return unless $self->contr->active;
1773 2500
1774 my $link_pos = delete $self->{_link_pos}; 2501 my $link_pos = delete $self->{_link_pos};
1775 2502
1776 unless ($map) { 2503 unless ($map) {
1777 # restore original map position 2504 # restore original map position
1791 # use -1 or undef as default coordinates, not 0, 0 2518 # use -1 or undef as default coordinates, not 0, 0
1792 ($x, $y) = ($map->enter_x, $map->enter_y) 2519 ($x, $y) = ($map->enter_x, $map->enter_y)
1793 if $x <=0 && $y <= 0; 2520 if $x <=0 && $y <= 0;
1794 2521
1795 $map->load; 2522 $map->load;
1796 $map->load_diag; 2523 $map->load_neighbours;
1797 2524
1798 return unless $self->contr->active; 2525 return unless $self->contr->active;
1799 $self->activate_recursive; 2526 $self->activate_recursive;
2527
2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
1801} 2530}
1802 2531
1803cf::player->attach ( 2532=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804 on_logout => sub {
1805 my ($pl) = @_;
1806 2533
1807 # abort map switching before logout 2534Moves the player to the given map-path and coordinates by first freezing
1808 if ($pl->ob->{_link_pos}) { 2535her, loading and preparing them map, calling the provided $check callback
1809 cf::sync_job { 2536that has to return the map if sucecssful, and then unfreezes the player on
1810 $pl->ob->leave_link 2537the new (success) or old (failed) map position. In either case, $done will
1811 }; 2538be called at the end of this process.
1812 }
1813 },
1814 on_login => sub {
1815 my ($pl) = @_;
1816 2539
1817 # try to abort aborted map switching on player login :)
1818 # should happen only on crashes
1819 if ($pl->ob->{_link_pos}) {
1820 $pl->ob->enter_link;
1821 (async {
1822 # we need this sleep as the login has a concurrent enter_exit running
1823 # and this sleep increases chances of the player not ending up in scorn
1824 $pl->ob->reply (undef,
1825 "There was an internal problem at your last logout, "
1826 . "the server will try to bring you to your intended destination in a second.",
1827 cf::NDI_RED);
1828 Coro::Timer::sleep 1;
1829 $pl->ob->leave_link;
1830 })->prio (2);
1831 }
1832 },
1833);
1834
1835=item $player_object->goto ($path, $x, $y)
1836
1837=cut 2540=cut
2541
2542our $GOTOGEN;
1838 2543
1839sub cf::object::player::goto { 2544sub cf::object::player::goto {
1840 my ($self, $path, $x, $y) = @_; 2545 my ($self, $path, $x, $y, $check, $done) = @_;
1841 2546
1842 $path = new cf::path $path; 2547 # do generation counting so two concurrent goto's will be executed in-order
2548 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843 2549
1844 $self->enter_link; 2550 $self->enter_link;
1845 2551
1846 (async { 2552 (async {
1847 my $map = cf::map::find $path->as_string; 2553 $Coro::current->{desc} = "player::goto $path $x $y";
2554
2555 # *tag paths override both path and x|y
2556 if ($path =~ /^\*(.*)$/) {
2557 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2558 my $ob = $obs[rand @obs];
2559
2560 # see if we actually can go there
2561 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2562 $ob = $obs[rand @obs];
2563 } else {
2564 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566 # else put us there anyways for now #d#
2567
2568 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2569 } else {
2570 ($path, $x, $y) = (undef, undef, undef);
2571 }
2572 }
2573
2574 my $map = eval {
2575 my $map = defined $path ? cf::map::find $path : undef;
2576
2577 if ($map) {
1848 $map = $map->customise_for ($self) if $map; 2578 $map = $map->customise_for ($self);
1849 2579 $map = $check->($map) if $check && $map;
1850# warn "entering ", $map->path, " at ($x, $y)\n" 2580 } else {
1851# if $map;
1852
1853 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2581 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582 }
1854 2583
2584 $map
2585 };
2586
2587 if ($@) {
2588 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2589 LOG llevError | logBacktrace, Carp::longmess $@;
2590 }
2591
2592 if ($gen == $self->{_goto_generation}) {
2593 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2594 $self->leave_link ($map, $x, $y);
2595 }
2596
2597 $done->() if $done;
1856 })->prio (1); 2598 })->prio (1);
1857} 2599}
1858 2600
1859=item $player_object->enter_exit ($exit_object) 2601=item $player_object->enter_exit ($exit_object)
1860 2602
1862 2604
1863sub parse_random_map_params { 2605sub parse_random_map_params {
1864 my ($spec) = @_; 2606 my ($spec) = @_;
1865 2607
1866 my $rmp = { # defaults 2608 my $rmp = { # defaults
1867 xsize => 10, 2609 xsize => (cf::rndm 15, 40),
1868 ysize => 10, 2610 ysize => (cf::rndm 15, 40),
2611 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2612 #layout => string,
1869 }; 2613 };
1870 2614
1871 for (split /\n/, $spec) { 2615 for (split /\n/, $spec) {
1872 my ($k, $v) = split /\s+/, $_, 2; 2616 my ($k, $v) = split /\s+/, $_, 2;
1873 2617
1877 $rmp 2621 $rmp
1878} 2622}
1879 2623
1880sub prepare_random_map { 2624sub prepare_random_map {
1881 my ($exit) = @_; 2625 my ($exit) = @_;
2626
2627 my $guard = cf::lock_acquire "exit_prepare:$exit";
1882 2628
1883 # all this does is basically replace the /! path by 2629 # all this does is basically replace the /! path by
1884 # a new random map path (?random/...) with a seed 2630 # a new random map path (?random/...) with a seed
1885 # that depends on the exit object 2631 # that depends on the exit object
1886 2632
1887 my $rmp = parse_random_map_params $exit->msg; 2633 my $rmp = parse_random_map_params $exit->msg;
1888 2634
1889 if ($exit->map) { 2635 if ($exit->map) {
1890 $rmp->{region} = $exit->map->region_name; 2636 $rmp->{region} = $exit->region->name;
1891 $rmp->{origin_map} = $exit->map->path; 2637 $rmp->{origin_map} = $exit->map->path;
1892 $rmp->{origin_x} = $exit->x; 2638 $rmp->{origin_x} = $exit->x;
1893 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
1894 } 2640 }
1895 2641
1896 $rmp->{random_seed} ||= $exit->random_seed; 2642 $rmp->{random_seed} ||= $exit->random_seed;
1897 2643
1898 my $data = cf::to_json $rmp; 2644 my $data = cf::encode_json $rmp;
1899 my $md5 = Digest::MD5::md5_hex $data; 2645 my $md5 = Digest::MD5::md5_hex $data;
2646 my $meta = "$RANDOMDIR/$md5.meta";
1900 2647
1901 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2648 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902 aio_write $fh, 0, (length $data), $data, 0; 2649 aio_write $fh, 0, (length $data), $data, 0;
2650 undef $fh;
2651 aio_rename "$meta~", $meta;
1903 2652
1904 $exit->slaying ("?random/$md5"); 2653 $exit->slaying ("?random/$md5");
1905 $exit->msg (undef); 2654 $exit->msg (undef);
1906 } 2655 }
1907} 2656}
1909sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
1910 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
1911 2660
1912 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
1913 2662
2663 if ($exit->slaying eq "/!") {
2664 #TODO: this should de-fi-ni-te-ly not be a sync-job
2665 # the problem is that $exit might not survive long enough
2666 # so it needs to be done right now, right here
2667 cf::sync_job { prepare_random_map $exit };
2668 }
2669
2670 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2671 my $hp = $exit->stats->hp;
2672 my $sp = $exit->stats->sp;
2673
1914 $self->enter_link; 2674 $self->enter_link;
1915 2675
2676 # if exit is damned, update players death & WoR home-position
2677 $self->contr->savebed ($slaying, $hp, $sp)
2678 if $exit->flag (FLAG_DAMNED);
2679
1916 (async { 2680 (async {
2681 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2682
1917 $self->deactivate_recursive; # just to be sure 2683 $self->deactivate_recursive; # just to be sure
1918 unless (eval { 2684 unless (eval {
1919 prepare_random_map $exit 2685 $self->goto ($slaying, $hp, $sp);
1920 if $exit->slaying eq "/!";
1921
1922 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924 2686
1925 1; 2687 1;
1926 }) { 2688 }) {
1927 $self->message ("Something went wrong deep within the crossfire server. " 2689 $self->message ("Something went wrong deep within the crossfire server. "
1928 . "I'll try to bring you back to the map you were before. " 2690 . "I'll try to bring you back to the map you were before. "
1929 . "Please report this to the dungeon master!", 2691 . "Please report this to the dungeon master!",
1930 cf::NDI_UNIQUE | cf::NDI_RED); 2692 cf::NDI_UNIQUE | cf::NDI_RED);
1931 2693
1932 warn "ERROR in enter_exit: $@"; 2694 warn "ERROR in enter_exit: $@";
1933 $self->leave_link; 2695 $self->leave_link;
1934 } 2696 }
1935 })->prio (1); 2697 })->prio (1);
1948 2710
1949sub cf::client::send_drawinfo { 2711sub cf::client::send_drawinfo {
1950 my ($self, $text, $flags) = @_; 2712 my ($self, $text, $flags) = @_;
1951 2713
1952 utf8::encode $text; 2714 utf8::encode $text;
1953 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2715 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954} 2716}
1955 2717
2718=item $client->send_msg ($channel, $msg, $color, [extra...])
2719
2720Send a drawinfo or msg packet to the client, formatting the msg for the
2721client if neccessary. C<$type> should be a string identifying the type of
2722the message, with C<log> being the default. If C<$color> is negative, suppress
2723the message unless the client supports the msg packet.
2724
2725=cut
2726
2727# non-persistent channels (usually the info channel)
2728our %CHANNEL = (
2729 "c/identify" => {
2730 id => "infobox",
2731 title => "Identify",
2732 reply => undef,
2733 tooltip => "Items recently identified",
2734 },
2735 "c/examine" => {
2736 id => "infobox",
2737 title => "Examine",
2738 reply => undef,
2739 tooltip => "Signs and other items you examined",
2740 },
2741 "c/book" => {
2742 id => "infobox",
2743 title => "Book",
2744 reply => undef,
2745 tooltip => "The contents of a note or book",
2746 },
2747 "c/lookat" => {
2748 id => "infobox",
2749 title => "Look",
2750 reply => undef,
2751 tooltip => "What you saw there",
2752 },
2753 "c/who" => {
2754 id => "infobox",
2755 title => "Players",
2756 reply => undef,
2757 tooltip => "Shows players who are currently online",
2758 },
2759 "c/body" => {
2760 id => "infobox",
2761 title => "Body Parts",
2762 reply => undef,
2763 tooltip => "Shows which body parts you posess and are available",
2764 },
2765 "c/uptime" => {
2766 id => "infobox",
2767 title => "Uptime",
2768 reply => undef,
2769 tooltip => "How long the server has been running since last restart",
2770 },
2771 "c/mapinfo" => {
2772 id => "infobox",
2773 title => "Map Info",
2774 reply => undef,
2775 tooltip => "Information related to the maps",
2776 },
2777);
2778
2779sub cf::client::send_msg {
2780 my ($self, $channel, $msg, $color, @extra) = @_;
2781
2782 $msg = $self->pl->expand_cfpod ($msg);
2783
2784 $color &= cf::NDI_CLIENT_MASK; # just in case...
2785
2786 # check predefined channels, for the benefit of C
2787 if ($CHANNEL{$channel}) {
2788 $channel = $CHANNEL{$channel};
2789
2790 $self->ext_msg (channel_info => $channel)
2791 if $self->can_msg;
2792
2793 $channel = $channel->{id};
2794
2795 } elsif (ref $channel) {
2796 # send meta info to client, if not yet sent
2797 unless (exists $self->{channel}{$channel->{id}}) {
2798 $self->{channel}{$channel->{id}} = $channel;
2799 $self->ext_msg (channel_info => $channel)
2800 if $self->can_msg;
2801 }
2802
2803 $channel = $channel->{id};
2804 }
2805
2806 return unless @extra || length $msg;
2807
2808 if ($self->can_msg) {
2809 # default colour, mask it out
2810 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811 if $color & cf::NDI_DEF;
2812
2813 $self->send_packet ("msg " . $self->{json_coder}->encode (
2814 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2815 } else {
2816 if ($color >= 0) {
2817 # replace some tags by gcfclient-compatible ones
2818 for ($msg) {
2819 1 while
2820 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825 }
2826
2827 $color &= cf::NDI_COLOR_MASK;
2828
2829 utf8::encode $msg;
2830
2831 if (0 && $msg =~ /\[/) {
2832 # COMMAND/INFO
2833 $self->send_packet ("drawextinfo $color 10 8 $msg")
2834 } else {
2835 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836 $self->send_packet ("drawinfo $color $msg")
2837 }
2838 }
2839 }
2840}
2841
2842=item $client->ext_msg ($type, @msg)
2843
2844Sends an ext event to the client.
2845
2846=cut
2847
2848sub cf::client::ext_msg($$@) {
2849 my ($self, $type, @msg) = @_;
2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853 } elsif ($self->extcmd == 1) { # TODO: remove
2854 push @msg, msgtype => "event_$type";
2855 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856 }
2857}
2858
2859=item $client->ext_reply ($msgid, @msg)
2860
2861Sends an ext reply to the client.
2862
2863=cut
2864
2865sub cf::client::ext_reply($$@) {
2866 my ($self, $id, @msg) = @_;
2867
2868 if ($self->extcmd == 2) {
2869 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870 } elsif ($self->extcmd == 1) {
2871 #TODO: version 1, remove
2872 unshift @msg, msgtype => "reply", msgid => $id;
2873 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874 }
2875}
1956 2876
1957=item $success = $client->query ($flags, "text", \&cb) 2877=item $success = $client->query ($flags, "text", \&cb)
1958 2878
1959Queues a query to the client, calling the given callback with 2879Queues a query to the client, calling the given callback with
1960the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2880the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2881C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962 2882
1963Queries can fail, so check the return code. Or don't, as queries will become 2883Queries can fail, so check the return code. Or don't, as queries will
1964reliable at some point in the future. 2884become reliable at some point in the future.
1965 2885
1966=cut 2886=cut
1967 2887
1968sub cf::client::query { 2888sub cf::client::query {
1969 my ($self, $flags, $text, $cb) = @_; 2889 my ($self, $flags, $text, $cb) = @_;
1977 utf8::encode $text; 2897 utf8::encode $text;
1978 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2898 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979 2899
1980 $self->send_packet ($self->{query_queue}[0][0]) 2900 $self->send_packet ($self->{query_queue}[0][0])
1981 if @{ $self->{query_queue} } == 1; 2901 if @{ $self->{query_queue} } == 1;
2902
2903 1
1982} 2904}
1983 2905
1984cf::client->attach ( 2906cf::client->attach (
2907 on_connect => sub {
2908 my ($ns) = @_;
2909
2910 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2911 },
1985 on_reply => sub { 2912 on_reply => sub {
1986 my ($ns, $msg) = @_; 2913 my ($ns, $msg) = @_;
1987 2914
1988 # this weird shuffling is so that direct followup queries 2915 # this weird shuffling is so that direct followup queries
1989 # get handled first 2916 # get handled first
1990 my $queue = delete $ns->{query_queue} 2917 my $queue = delete $ns->{query_queue}
1991 or return; # be conservative, not sure how that can happen, but we saw a crash here 2918 or return; # be conservative, not sure how that can happen, but we saw a crash here
1992 2919
1993 (shift @$queue)->[1]->($msg); 2920 (shift @$queue)->[1]->($msg);
2921 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994 2922
1995 push @{ $ns->{query_queue} }, @$queue; 2923 push @{ $ns->{query_queue} }, @$queue;
1996 2924
1997 if (@{ $ns->{query_queue} } == @$queue) { 2925 if (@{ $ns->{query_queue} } == @$queue) {
1998 if (@$queue) { 2926 if (@$queue) {
2000 } else { 2928 } else {
2001 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2929 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002 } 2930 }
2003 } 2931 }
2004 }, 2932 },
2933 on_exticmd => sub {
2934 my ($ns, $buf) = @_;
2935
2936 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937
2938 if (ref $msg) {
2939 my ($type, $reply, @payload) =
2940 "ARRAY" eq ref $msg
2941 ? @$msg
2942 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943
2944 my @reply;
2945
2946 if (my $cb = $EXTICMD{$type}) {
2947 @reply = $cb->($ns, @payload);
2948 }
2949
2950 $ns->ext_reply ($reply, @reply)
2951 if $reply;
2952
2953 } else {
2954 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2955 }
2956
2957 cf::override;
2958 },
2005); 2959);
2006 2960
2007=item $client->async (\&cb) 2961=item $client->async (\&cb)
2008 2962
2009Create a new coroutine, running the specified callback. The coroutine will 2963Create a new coroutine, running the specified callback. The coroutine will
2050our $safe = new Safe "safe"; 3004our $safe = new Safe "safe";
2051our $safe_hole = new Safe::Hole; 3005our $safe_hole = new Safe::Hole;
2052 3006
2053$SIG{FPE} = 'IGNORE'; 3007$SIG{FPE} = 'IGNORE';
2054 3008
2055$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3009$safe->permit_only (Opcode::opset qw(
3010 :base_core :base_mem :base_orig :base_math
3011 grepstart grepwhile mapstart mapwhile
3012 sort time
3013));
2056 3014
2057# here we export the classes and methods available to script code 3015# here we export the classes and methods available to script code
2058 3016
2059=pod 3017=pod
2060 3018
2061The following fucntions and emthods are available within a safe environment: 3019The following functions and methods are available within a safe environment:
2062 3020
2063 cf::object contr pay_amount pay_player map 3021 cf::object
3022 contr pay_amount pay_player map x y force_find force_add destroy
3023 insert remove name archname title slaying race decrease_ob_nr
3024
2064 cf::object::player player 3025 cf::object::player
2065 cf::player peaceful 3026 player
2066 cf::map trigger 3027
3028 cf::player
3029 peaceful
3030
3031 cf::map
3032 trigger
2067 3033
2068=cut 3034=cut
2069 3035
2070for ( 3036for (
2071 ["cf::object" => qw(contr pay_amount pay_player map)], 3037 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038 insert remove inv name archname title slaying race
3039 decrease_ob_nr destroy)],
2072 ["cf::object::player" => qw(player)], 3040 ["cf::object::player" => qw(player)],
2073 ["cf::player" => qw(peaceful)], 3041 ["cf::player" => qw(peaceful)],
2074 ["cf::map" => qw(trigger)], 3042 ["cf::map" => qw(trigger)],
2075) { 3043) {
2076 no strict 'refs'; 3044 no strict 'refs';
2147=back 3115=back
2148 3116
2149=cut 3117=cut
2150 3118
2151############################################################################# 3119#############################################################################
3120# the server's init and main functions
2152 3121
2153=head2 EXTENSION DATABASE SUPPORT 3122sub load_facedata($) {
3123 my ($path) = @_;
2154 3124
2155Crossfire maintains a very simple database for extension use. It can 3125 # HACK to clear player env face cache, we need some signal framework
2156currently store anything that can be serialised using Storable, which 3126 # for this (global event?)
2157excludes objects. 3127 %ext::player_env::MUSIC_FACE_CACHE = ();
2158 3128
2159The parameter C<$family> should best start with the name of the extension 3129 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160using it, it should be unique.
2161 3130
2162=over 4 3131 warn "loading facedata from $path\n";
2163 3132
2164=item $hashref = cf::db_get $family 3133 my $facedata;
3134 0 < aio_load $path, $facedata
3135 or die "$path: $!";
2165 3136
2166Return a hashref for use by the extension C<$family>, which can be 3137 $facedata = Coro::Storable::thaw $facedata;
2167modified. After modifications, you have to call C<cf::db_dirty> or
2168C<cf::db_sync>.
2169 3138
2170=item $value = cf::db_get $family => $key 3139 $facedata->{version} == 2
3140 or cf::cleanup "$path: version mismatch, cannot proceed.";
2171 3141
2172Returns a single value from the database 3142 # patch in the exptable
2173 3143 $facedata->{resource}{"res/exp_table"} = {
2174=item cf::db_put $family => $hashref 3144 type => FT_RSRC,
2175 3145 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176Stores the given family hashref into the database. Updates are delayed, if
2177you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179=item cf::db_put $family => $key => $value
2180
2181Stores the given C<$value> in the family hash. Updates are delayed, if you
2182want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184=item cf::db_dirty
2185
2186Marks the database as dirty, to be updated at a later time.
2187
2188=item cf::db_sync
2189
2190Immediately write the database to disk I<if it is dirty>.
2191
2192=cut
2193
2194our $DB;
2195
2196{
2197 my $path = cf::localdir . "/database.pst";
2198
2199 sub db_load() {
2200 $DB = stat $path ? Storable::retrieve $path : { };
2201 }
2202
2203 my $pid;
2204
2205 sub db_save() {
2206 waitpid $pid, 0 if $pid;
2207 if (0 == ($pid = fork)) {
2208 $DB->{_meta}{version} = 1;
2209 Storable::nstore $DB, "$path~";
2210 rename "$path~", $path;
2211 cf::_exit 0 if defined $pid;
2212 }
2213 }
2214
2215 my $dirty;
2216
2217 sub db_sync() {
2218 db_save if $dirty;
2219 undef $dirty;
2220 }
2221
2222 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223 db_sync;
2224 }); 3146 };
3147 cf::cede_to_tick;
2225 3148
2226 sub db_dirty() {
2227 $dirty = 1;
2228 $idle->start;
2229 } 3149 {
3150 my $faces = $facedata->{faceinfo};
2230 3151
2231 sub db_get($;$) { 3152 while (my ($face, $info) = each %$faces) {
2232 @_ >= 2 3153 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233 ? $DB->{$_[0]}{$_[1]} 3154 cf::face::set_visibility $idx, $info->{visibility};
2234 : ($DB->{$_[0]} ||= { }) 3155 cf::face::set_magicmap $idx, $info->{magicmap};
2235 } 3156 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3157 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236 3158
2237 sub db_put($$;$) { 3159 cf::cede_to_tick;
2238 if (@_ >= 3) {
2239 $DB->{$_[0]}{$_[1]} = $_[2];
2240 } else {
2241 $DB->{$_[0]} = $_[1];
2242 }
2243 db_dirty;
2244 }
2245
2246 cf::global->attach (
2247 prio => 10000,
2248 on_cleanup => sub {
2249 db_sync;
2250 }, 3160 }
2251 );
2252}
2253 3161
2254############################################################################# 3162 while (my ($face, $info) = each %$faces) {
2255# the server's main() 3163 next unless $info->{smooth};
3164 my $idx = cf::face::find $face
3165 or next;
3166 if (my $smooth = cf::face::find $info->{smooth}) {
3167 cf::face::set_smooth $idx, $smooth;
3168 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3169 } else {
3170 warn "smooth face '$info->{smooth}' not found for face '$face'";
3171 }
2256 3172
2257sub cfg_load { 3173 cf::cede_to_tick;
3174 }
3175 }
3176
3177 {
3178 my $anims = $facedata->{animinfo};
3179
3180 while (my ($anim, $info) = each %$anims) {
3181 cf::anim::set $anim, $info->{frames}, $info->{facings};
3182 cf::cede_to_tick;
3183 }
3184
3185 cf::anim::invalidate_all; # d'oh
3186 }
3187
3188 {
3189 # TODO: for gcfclient pleasure, we should give resources
3190 # that gcfclient doesn't grok a >10000 face index.
3191 my $res = $facedata->{resource};
3192
3193 my $soundconf = delete $res->{"res/sound.conf"};
3194
3195 while (my ($name, $info) = each %$res) {
3196 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197 my $data;
3198
3199 if ($info->{type} & 1) {
3200 # prepend meta info
3201
3202 my $meta = $enc->encode ({
3203 name => $name,
3204 %{ $info->{meta} || {} },
3205 });
3206
3207 $data = pack "(w/a*)*", $meta, $info->{data};
3208 } else {
3209 $data = $info->{data};
3210 }
3211
3212 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213 cf::face::set_type $idx, $info->{type};
3214
3215 cf::cede_to_tick;
3216 }
3217
3218 if ($soundconf) {
3219 $soundconf = $enc->decode (delete $soundconf->{data});
3220
3221 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222 my $sound = $soundconf->{compat}[$_]
3223 or next;
3224
3225 my $face = cf::face::find "sound/$sound->[1]";
3226 cf::sound::set $sound->[0] => $face;
3227 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228 }
3229
3230 while (my ($k, $v) = each %{$soundconf->{event}}) {
3231 my $face = cf::face::find "sound/$v";
3232 cf::sound::set $k => $face;
3233 }
3234 }
3235 }
3236
3237 1
3238}
3239
3240register_exticmd fx_want => sub {
3241 my ($ns, $want) = @_;
3242
3243 while (my ($k, $v) = each %$want) {
3244 $ns->fx_want ($k, $v);
3245 }
3246};
3247
3248sub reload_regions {
3249 # HACK to clear player env face cache, we need some signal framework
3250 # for this (global event?)
3251 %ext::player_env::MUSIC_FACE_CACHE = ();
3252
3253 load_resource_file "$MAPDIR/regions"
3254 or die "unable to load regions file\n";
3255
3256 for (cf::region::list) {
3257 $_->{match} = qr/$_->{match}/
3258 if exists $_->{match};
3259 }
3260}
3261
3262sub reload_facedata {
3263 load_facedata "$DATADIR/facedata"
3264 or die "unable to load facedata\n";
3265}
3266
3267sub reload_archetypes {
3268 load_resource_file "$DATADIR/archetypes"
3269 or die "unable to load archetypes\n";
3270 #d# NEED to laod twice to resolve forward references
3271 # this really needs to be done in an extra post-pass
3272 # (which needs to be synchronous, so solve it differently)
3273 load_resource_file "$DATADIR/archetypes"
3274 or die "unable to load archetypes\n";
3275}
3276
3277sub reload_treasures {
3278 load_resource_file "$DATADIR/treasures"
3279 or die "unable to load treasurelists\n";
3280}
3281
3282sub reload_resources {
3283 warn "reloading resource files...\n";
3284
3285 reload_regions;
3286 reload_facedata;
3287 #reload_archetypes;#d#
3288 reload_archetypes;
3289 reload_treasures;
3290
3291 warn "finished reloading resource files\n";
3292}
3293
3294sub init {
3295 reload_resources;
3296}
3297
3298sub reload_config {
2258 open my $fh, "<:utf8", cf::confdir . "/config" 3299 open my $fh, "<:utf8", "$CONFDIR/config"
2259 or return; 3300 or return;
2260 3301
2261 local $/; 3302 local $/;
2262 *CFG = YAML::Syck::Load <$fh>; 3303 *CFG = YAML::Syck::Load <$fh>;
2263 3304
2277 3318
2278sub main { 3319sub main {
2279 # we must not ever block the main coroutine 3320 # we must not ever block the main coroutine
2280 local $Coro::idle = sub { 3321 local $Coro::idle = sub {
2281 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3322 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2282 async { Event::one_event }; 3323 (async {
3324 $Coro::current->{desc} = "IDLE BUG HANDLER";
3325 EV::loop EV::LOOP_ONESHOT;
3326 })->prio (Coro::PRIO_MAX);
2283 }; 3327 };
2284 3328
2285 cfg_load; 3329 reload_config;
2286 db_load; 3330 db_init;
2287 load_extensions; 3331 load_extensions;
3332
3333 $TICK_WATCHER->start;
3334 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2288 Event::loop; 3335 EV::loop;
2289} 3336}
2290 3337
2291############################################################################# 3338#############################################################################
2292# initialisation and cleanup 3339# initialisation and cleanup
2293 3340
2294# install some emergency cleanup handlers 3341# install some emergency cleanup handlers
2295BEGIN { 3342BEGIN {
3343 our %SIGWATCHER = ();
2296 for my $signal (qw(INT HUP TERM)) { 3344 for my $signal (qw(INT HUP TERM)) {
2297 Event->signal ( 3345 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2298 data => WF_AUTOCANCEL,
2299 signal => $signal,
2300 cb => sub {
2301 cf::cleanup "SIG$signal"; 3346 cf::cleanup "SIG$signal";
2302 },
2303 ); 3347 };
3348 }
3349}
3350
3351sub write_runtime {
3352 my $runtime = "$LOCALDIR/runtime";
3353
3354 # first touch the runtime file to show we are still running:
3355 # the fsync below can take a very very long time.
3356
3357 IO::AIO::aio_utime $runtime, undef, undef;
3358
3359 my $guard = cf::lock_acquire "write_runtime";
3360
3361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3362 or return;
3363
3364 my $value = $cf::RUNTIME + 90 + 10;
3365 # 10 is the runtime save interval, for a monotonic clock
3366 # 60 allows for the watchdog to kill the server.
3367
3368 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3369 and return;
3370
3371 # always fsync - this file is important
3372 aio_fsync $fh
3373 and return;
3374
3375 # touch it again to show we are up-to-date
3376 aio_utime $fh, undef, undef;
3377
3378 close $fh
3379 or return;
3380
3381 aio_rename "$runtime~", $runtime
3382 and return;
3383
3384 warn "runtime file written.\n";
3385
2304 } 3386 1
2305} 3387}
2306 3388
2307sub emergency_save() { 3389sub emergency_save() {
2308 my $freeze_guard = cf::freeze_mainloop; 3390 my $freeze_guard = cf::freeze_mainloop;
2309 3391
2310 warn "enter emergency perl save\n"; 3392 warn "enter emergency perl save\n";
2311 3393
2312 cf::sync_job { 3394 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl 3395 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players 3396 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/Destroyed asynchronously. 3397 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n"; 3398 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) { 3399 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next; 3400 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next; 3401 $pl->valid or next;
3402 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2320 $pl->save; 3403 $pl->save;
2321 } 3404 }
2322 warn "end emergency player save\n"; 3405 warn "end emergency player save\n";
2323 3406
2324 warn "begin emergency map save\n"; 3407 warn "begin emergency map save\n";
2326 my $map = $cf::MAP{$path} or next; 3409 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next; 3410 $map->valid or next;
2328 $map->save; 3411 $map->save;
2329 } 3412 }
2330 warn "end emergency map save\n"; 3413 warn "end emergency map save\n";
3414
3415 warn "begin emergency database checkpoint\n";
3416 BDB::db_env_txn_checkpoint $DB_ENV;
3417 warn "end emergency database checkpoint\n";
2331 }; 3418 };
2332 3419
2333 warn "leave emergency perl save\n"; 3420 warn "leave emergency perl save\n";
2334} 3421}
2335 3422
3423sub post_cleanup {
3424 my ($make_core) = @_;
3425
3426 warn Carp::longmess "post_cleanup backtrace"
3427 if $make_core;
3428}
3429
2336sub reload() { 3430sub do_reload_perl() {
2337 # can/must only be called in main 3431 # can/must only be called in main
2338 if ($Coro::current != $Coro::main) { 3432 if ($Coro::current != $Coro::main) {
2339 warn "can only reload from main coroutine\n"; 3433 warn "can only reload from main coroutine";
2340 return; 3434 return;
2341 } 3435 }
2342 3436
2343 warn "reloading..."; 3437 warn "reloading...";
2344 3438
2345 my $guard = freeze_mainloop; 3439 warn "entering sync_job";
3440
3441 cf::sync_job {
3442 cf::write_runtime; # external watchdog should not bark
2346 cf::emergency_save; 3443 cf::emergency_save;
3444 cf::write_runtime; # external watchdog should not bark
2347 3445
2348 eval { 3446 warn "syncing database to disk";
3447 BDB::db_env_txn_checkpoint $DB_ENV;
3448
2349 # if anything goes wrong in here, we should simply crash as we already saved 3449 # if anything goes wrong in here, we should simply crash as we already saved
2350 3450
2351 # cancel all watchers 3451 warn "flushing outstanding aio requests";
2352 for (Event::all_watchers) { 3452 for (;;) {
2353 $_->cancel if $_->data & WF_AUTOCANCEL; 3453 BDB::flush;
3454 IO::AIO::flush;
3455 Coro::cede_notself;
3456 last unless IO::AIO::nreqs || BDB::nreqs;
3457 warn "iterate...";
2354 } 3458 }
2355 3459
3460 ++$RELOAD;
3461
2356 # cancel all extension coros 3462 warn "cancelling all extension coros";
2357 $_->cancel for values %EXT_CORO; 3463 $_->cancel for values %EXT_CORO;
2358 %EXT_CORO = (); 3464 %EXT_CORO = ();
2359 3465
2360 # unload all extensions 3466 warn "removing commands";
2361 for (@exts) { 3467 %COMMAND = ();
3468
3469 warn "removing ext/exti commands";
3470 %EXTCMD = ();
3471 %EXTICMD = ();
3472
3473 warn "unloading/nuking all extensions";
3474 for my $pkg (@EXTS) {
2362 warn "unloading <$_>"; 3475 warn "... unloading $pkg";
2363 unload_extension $_; 3476
3477 if (my $cb = $pkg->can ("unload")) {
3478 eval {
3479 $cb->($pkg);
3480 1
3481 } or warn "$pkg unloaded, but with errors: $@";
2364 } 3482 }
2365 3483
3484 warn "... nuking $pkg";
3485 Symbol::delete_package $pkg;
3486 }
3487
2366 # unload all modules loaded from $LIBDIR 3488 warn "unloading all perl modules loaded from $LIBDIR";
2367 while (my ($k, $v) = each %INC) { 3489 while (my ($k, $v) = each %INC) {
2368 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3490 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369 3491
2370 warn "removing <$k>"; 3492 warn "... unloading $k";
2371 delete $INC{$k}; 3493 delete $INC{$k};
2372 3494
2373 $k =~ s/\.pm$//; 3495 $k =~ s/\.pm$//;
2374 $k =~ s/\//::/g; 3496 $k =~ s/\//::/g;
2375 3497
2378 } 3500 }
2379 3501
2380 Symbol::delete_package $k; 3502 Symbol::delete_package $k;
2381 } 3503 }
2382 3504
2383 # sync database to disk
2384 cf::db_sync;
2385 IO::AIO::flush;
2386
2387 # get rid of safe::, as good as possible 3505 warn "getting rid of safe::, as good as possible";
2388 Symbol::delete_package "safe::$_" 3506 Symbol::delete_package "safe::$_"
2389 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3507 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390 3508
2391 # remove register_script_function callbacks
2392 # TODO
2393
2394 # unload cf.pm "a bit" 3509 warn "unloading cf.pm \"a bit\"";
2395 delete $INC{"cf.pm"}; 3510 delete $INC{"cf.pm"};
3511 delete $INC{"cf/pod.pm"};
2396 3512
2397 # don't, removes xs symbols, too, 3513 # don't, removes xs symbols, too,
2398 # and global variables created in xs 3514 # and global variables created in xs
2399 #Symbol::delete_package __PACKAGE__; 3515 #Symbol::delete_package __PACKAGE__;
2400 3516
2401 # reload cf.pm 3517 warn "unload completed, starting to reload now";
3518
2402 warn "reloading cf.pm"; 3519 warn "reloading cf.pm";
2403 require cf; 3520 require cf;
2404 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3521 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405 3522
2406 # load config and database again 3523 warn "loading config and database again";
2407 cf::cfg_load; 3524 cf::reload_config;
2408 cf::db_load;
2409 3525
2410 # load extensions
2411 warn "load extensions"; 3526 warn "loading extensions";
2412 cf::load_extensions; 3527 cf::load_extensions;
2413 3528
2414 # reattach attachments to objects 3529 warn "reattaching attachments to objects/players";
2415 warn "reattach"; 3530 _global_reattach; # objects, sockets
2416 _global_reattach; 3531 warn "reattaching attachments to maps";
2417 reattach $_ for values %MAP; 3532 reattach $_ for values %MAP;
2418 }; 3533 warn "reattaching attachments to players";
3534 reattach $_ for values %PLAYER;
2419 3535
2420 if ($@) { 3536 warn "leaving sync_job";
3537
3538 1
3539 } or do {
2421 warn $@; 3540 warn $@;
2422 warn "error while reloading, exiting."; 3541 warn "error while reloading, exiting.";
2423 exit 1; 3542 exit 1;
2424 } 3543 };
2425 3544
2426 warn "reloaded successfully"; 3545 warn "reloaded";
2427}; 3546};
2428 3547
2429############################################################################# 3548our $RELOAD_WATCHER; # used only during reload
2430 3549
2431unless ($LINK_MAP) { 3550sub reload_perl() {
2432 $LINK_MAP = cf::map::new; 3551 # doing reload synchronously and two reloads happen back-to-back,
3552 # coro crashes during coro_state_free->destroy here.
2433 3553
2434 $LINK_MAP->width (41); 3554 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2435 $LINK_MAP->height (41); 3555 undef $RELOAD_WATCHER;
2436 $LINK_MAP->alloc; 3556 do_reload_perl;
2437 $LINK_MAP->path ("{link}"); 3557 };
2438 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441 # dirty hack because... archetypes are not yet loaded
2442 Event->timer (
2443 after => 10,
2444 cb => sub {
2445 $_[0]->w->cancel;
2446
2447 # provide some exits "home"
2448 my $exit = cf::object::new "exit";
2449
2450 $exit->slaying ($EMERGENCY_POSITION->[0]);
2451 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454 $LINK_MAP->insert ($exit->clone, 19, 19);
2455 $LINK_MAP->insert ($exit->clone, 19, 20);
2456 $LINK_MAP->insert ($exit->clone, 19, 21);
2457 $LINK_MAP->insert ($exit->clone, 20, 19);
2458 $LINK_MAP->insert ($exit->clone, 20, 21);
2459 $LINK_MAP->insert ($exit->clone, 21, 19);
2460 $LINK_MAP->insert ($exit->clone, 21, 20);
2461 $LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463 $exit->destroy;
2464 });
2465
2466 $LINK_MAP->{deny_save} = 1;
2467 $LINK_MAP->{deny_reset} = 1;
2468
2469 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470} 3558}
2471
2472register "<global>", __PACKAGE__;
2473 3559
2474register_command "reload" => sub { 3560register_command "reload" => sub {
2475 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2476 3562
2477 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2478 $who->message ("start of reload.");
2479 reload;
2480 $who->message ("end of reload."); 3564 $who->message ("reloading server.");
3565 async {
3566 $Coro::current->{desc} = "perl_reload";
3567 reload_perl;
3568 };
2481 } 3569 }
2482}; 3570};
2483 3571
2484unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2485 3573
2486$TICK_WATCHER = Event->timer ( 3574my $bug_warning = 0;
2487 reentrant => 0, 3575
2488 prio => 0, 3576our @WAIT_FOR_TICK;
2489 at => $NEXT_TICK || $TICK, 3577our @WAIT_FOR_TICK_BEGIN;
2490 data => WF_AUTOCANCEL, 3578
2491 cb => sub { 3579sub wait_for_tick {
3580 return unless $TICK_WATCHER->is_active;
3581 return if $Coro::current == $Coro::main;
3582
3583 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait;
3586}
3587
3588sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active;
3590 return if $Coro::current == $Coro::main;
3591
3592 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait;
3595}
3596
3597$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3598 if ($Coro::current != $Coro::main) {
3599 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3600 unless ++$bug_warning > 10;
3601 return;
3602 }
3603
3604 $NOW = $tick_start = EV::now;
3605
2492 cf::server_tick; # one server iteration 3606 cf::server_tick; # one server iteration
3607
2493 $RUNTIME += $TICK; 3608 $RUNTIME += $TICK;
2494 $NEXT_TICK += $TICK; 3609 $NEXT_TICK = $_[0]->at;
2495 3610
2496 $WAIT_FOR_TICK->broadcast; 3611 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3612 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2498 3613 Coro::async_pool {
2499 # if we are delayed by four ticks or more, skip them all 3614 $Coro::current->{desc} = "runtime saver";
2500 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2501
2502 $TICK_WATCHER->at ($NEXT_TICK);
2503 $TICK_WATCHER->start;
2504 },
2505);
2506
2507IO::AIO::max_poll_time $TICK * 0.2;
2508
2509Event->io (
2510 fd => IO::AIO::poll_fileno,
2511 poll => 'r',
2512 prio => 5,
2513 data => WF_AUTOCANCEL,
2514 cb => \&IO::AIO::poll_cb,
2515);
2516
2517Event->timer (
2518 data => WF_AUTOCANCEL,
2519 after => 0,
2520 interval => 10,
2521 cb => sub {
2522 (Coro::unblock_sub {
2523 write_runtime 3615 write_runtime
2524 or warn "ERROR: unable to write runtime file: $!"; 3616 or warn "ERROR: unable to write runtime file: $!";
2525 })->(); 3617 };
2526 }, 3618 }
2527); 3619
3620 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621 $sig->send;
3622 }
3623 while (my $sig = shift @WAIT_FOR_TICK) {
3624 $sig->send;
3625 }
3626
3627 $LOAD = ($NOW - $tick_start) / $TICK;
3628 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629
3630 _post_tick;
3631};
3632$TICK_WATCHER->priority (EV::MAXPRI);
3633
3634{
3635 # configure BDB
3636
3637 BDB::min_parallel 8;
3638 BDB::max_poll_reqs $TICK * 0.1;
3639 $Coro::BDB::WATCHER->priority (1);
3640
3641 unless ($DB_ENV) {
3642 $DB_ENV = BDB::db_env_create;
3643 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3644 | BDB::LOG_AUTOREMOVE, 1);
3645 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3646 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3647
3648 cf::sync_job {
3649 eval {
3650 BDB::db_env_open
3651 $DB_ENV,
3652 $BDBDIR,
3653 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3654 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3655 0666;
3656
3657 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3658 };
3659
3660 cf::cleanup "db_env_open(db): $@" if $@;
3661 };
3662 }
3663
3664 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3665 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3666 };
3667 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3668 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3669 };
3670 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3671 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3672 };
3673}
3674
3675{
3676 # configure IO::AIO
3677
3678 IO::AIO::min_parallel 8;
3679 IO::AIO::max_poll_time $TICK * 0.1;
3680 $Coro::AIO::WATCHER->priority (1);
3681}
3682
3683my $_log_backtrace;
3684
3685sub _log_backtrace {
3686 my ($msg, @addr) = @_;
3687
3688 $msg =~ s/\n//;
3689
3690 # limit the # of concurrent backtraces
3691 if ($_log_backtrace < 2) {
3692 ++$_log_backtrace;
3693 async {
3694 $Coro::current->{desc} = "abt $msg";
3695
3696 my @bt = fork_call {
3697 @addr = map { sprintf "%x", $_ } @addr;
3698 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3699 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3700 or die "addr2line: $!";
3701
3702 my @funcs;
3703 my @res = <$fh>;
3704 chomp for @res;
3705 while (@res) {
3706 my ($func, $line) = splice @res, 0, 2, ();
3707 push @funcs, "[$func] $line";
3708 }
3709
3710 @funcs
3711 };
3712
3713 LOG llevInfo, "[ABT] $msg\n";
3714 LOG llevInfo, "[ABT] $_\n" for @bt;
3715 --$_log_backtrace;
3716 };
3717 } else {
3718 LOG llevInfo, "[ABT] $msg\n";
3719 LOG llevInfo, "[ABT] [suppressed]\n";
3720 }
3721}
3722
3723# load additional modules
3724use cf::pod;
2528 3725
2529END { cf::emergency_save } 3726END { cf::emergency_save }
2530 3727
25311 37281
2532 3729

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