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Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.474 by root, Thu Jul 16 21:42:56 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
59 93
60our $CONFDIR = confdir; 94our $CONFDIR = confdir;
61our $DATADIR = datadir; 95our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
108our %RESOURCE;
71 109
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 112our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
79 114
115our $BDB_DEADLOCK_WATCHER;
116our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 117our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 118our $DB_ENV;
119
120our @EXTRA_MODULES = qw(pod mapscript);
82 121
83our %CFG; 122our %CFG;
84 123
85our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 125our $RUNTIME;
126our $NOW;
87 127
88our %PLAYER; # all users 128our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 129our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 130our $LINK_MAP; # the special {link} map, which is always available
91 131
92# used to convert map paths into valid unix filenames by replacing / by ∕ 132# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 133our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 134
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
137our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
98 144
99binmode STDOUT; 145binmode STDOUT;
100binmode STDERR; 146binmode STDERR;
101 147
102# read virtual server time, if available 148# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
107} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
108 156
109mkdir $_ 157mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 159
112our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
155 203
156The raw value load value from the last tick. 204The raw value load value from the last tick.
157 205
158=item %cf::CFG 206=item %cf::CFG
159 207
160Configuration for the server, loaded from C</etc/crossfire/config>, or 208Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 209from wherever your confdir points to.
162 210
163=item cf::wait_for_tick, cf::wait_for_tick_begin 211=item cf::wait_for_tick, cf::wait_for_tick_begin
164 212
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 213These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 214returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 215per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 216
217=item @cf::INVOKE_RESULTS
218
219This array contains the results of the last C<invoke ()> call. When
220C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
221that call.
222
169=back 223=back
170 224
171=cut 225=cut
172 226
173BEGIN { 227BEGIN {
177 $msg .= "\n" 231 $msg .= "\n"
178 unless $msg =~ /\n$/; 232 unless $msg =~ /\n$/;
179 233
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 234 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 235
182 utf8::encode $msg;
183 LOG llevError, $msg; 236 LOG llevError, $msg;
184 }; 237 };
185} 238}
239
240$Coro::State::DIEHOOK = sub {
241 return unless $^S eq 0; # "eq", not "=="
242
243 if ($Coro::current == $Coro::main) {#d#
244 warn "DIEHOOK called in main context, Coro bug?\n";#d#
245 return;#d#
246 }#d#
247
248 # kill coroutine otherwise
249 warn Carp::longmess $_[0];
250 Coro::terminate
251};
252
253$SIG{__DIE__} = sub { }; #d#?
186 254
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 255@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 256@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 257@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 258@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 265for my $pkg (qw(
198 cf::global cf::attachable 266 cf::global cf::attachable
199 cf::object cf::object::player 267 cf::object cf::object::player
200 cf::client cf::player 268 cf::client cf::player
201 cf::arch cf::living 269 cf::arch cf::living
270 cf::map cf::mapspace
202 cf::map cf::party cf::region 271 cf::party cf::region
203)) { 272)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 273 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 274}
207 275
208$Event::DIED = sub { 276$EV::DIED = sub {
209 warn "error in event callback: @_"; 277 warn "error in event callback: @_";
210}; 278};
211 279
212############################################################################# 280#############################################################################
213 281
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 304 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 305 $d
238 } || "[unable to dump $_[0]: '$@']"; 306 } || "[unable to dump $_[0]: '$@']";
239} 307}
240 308
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 309=item $ref = cf::decode_json $json
244 310
245Converts a JSON string into the corresponding perl data structure. 311Converts a JSON string into the corresponding perl data structure.
246 312
247=item $json = cf::to_json $ref 313=item $json = cf::encode_json $ref
248 314
249Converts a perl data structure into its JSON representation. 315Converts a perl data structure into its JSON representation.
250 316
317=cut
318
319our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
320
321sub encode_json($) { $json_coder->encode ($_[0]) }
322sub decode_json($) { $json_coder->decode ($_[0]) }
323
324=item cf::post_init { BLOCK }
325
326Execute the given codeblock, I<after> all extensions have been (re-)loaded,
327but I<before> the server starts ticking again.
328
329The cdoeblock will have a single boolean argument to indicate whether this
330is a reload or not.
331
332=cut
333
334sub post_init(&) {
335 push @POST_INIT, shift;
336}
337
251=item cf::lock_wait $string 338=item cf::lock_wait $string
252 339
253Wait until the given lock is available. See cf::lock_acquire. 340Wait until the given lock is available. See cf::lock_acquire.
254 341
255=item my $lock = cf::lock_acquire $string 342=item my $lock = cf::lock_acquire $string
256 343
257Wait until the given lock is available and then acquires it and returns 344Wait until the given lock is available and then acquires it and returns
258a Coro::guard object. If the guard object gets destroyed (goes out of scope, 345a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259for example when the coroutine gets canceled), the lock is automatically 346for example when the coroutine gets canceled), the lock is automatically
260returned. 347returned.
261 348
349Locks are *not* recursive, locking from the same coro twice results in a
350deadlocked coro.
351
262Lock names should begin with a unique identifier (for example, cf::map::find 352Lock names should begin with a unique identifier (for example, cf::map::find
263uses map_find and cf::map::load uses map_load). 353uses map_find and cf::map::load uses map_load).
264 354
265=item $locked = cf::lock_active $string 355=item $locked = cf::lock_active $string
266 356
267Return true if the lock is currently active, i.e. somebody has locked it. 357Return true if the lock is currently active, i.e. somebody has locked it.
268 358
269=cut 359=cut
270 360
271our %LOCK; 361our $LOCKS = new Coro::SemaphoreSet;
272 362
273sub lock_wait($) { 363sub lock_wait($) {
274 my ($key) = @_; 364 $LOCKS->wait ($_[0]);
275
276 # wait for lock, if any
277 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule;
280 }
281} 365}
282 366
283sub lock_acquire($) { 367sub lock_acquire($) {
284 my ($key) = @_; 368 $LOCKS->guard ($_[0])
285
286 # wait, to be sure we are not locked
287 lock_wait $key;
288
289 $LOCK{$key} = [];
290
291 Coro::guard {
292 # wake up all waiters, to be on the safe side
293 $_->ready for @{ delete $LOCK{$key} };
294 }
295} 369}
296 370
297sub lock_active($) { 371sub lock_active($) {
298 my ($key) = @_; 372 $LOCKS->count ($_[0]) < 1
299
300 ! ! $LOCK{$key}
301} 373}
302 374
303sub freeze_mainloop { 375sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 376 tick_inhibit_inc;
305 377
306 my $guard = Coro::guard { 378 &Guard::guard (\&tick_inhibit_dec);
307 $TICK_WATCHER->start; 379}
380
381=item cf::periodic $interval, $cb
382
383Like EV::periodic, but randomly selects a starting point so that the actions
384get spread over timer.
385
386=cut
387
388sub periodic($$) {
389 my ($interval, $cb) = @_;
390
391 my $start = rand List::Util::min 180, $interval;
392
393 EV::periodic $start, $interval, 0, $cb
394}
395
396=item cf::get_slot $time[, $priority[, $name]]
397
398Allocate $time seconds of blocking CPU time at priority C<$priority>:
399This call blocks and returns only when you have at least C<$time> seconds
400of cpu time till the next tick. The slot is only valid till the next cede.
401
402The optional C<$name> can be used to identify the job to run. It might be
403used for statistical purposes and should identify the same time-class.
404
405Useful for short background jobs.
406
407=cut
408
409our @SLOT_QUEUE;
410our $SLOT_QUEUE;
411
412$SLOT_QUEUE->cancel if $SLOT_QUEUE;
413$SLOT_QUEUE = Coro::async {
414 $Coro::current->desc ("timeslot manager");
415
416 my $signal = new Coro::Signal;
417
418 while () {
419 next_job:
420 my $avail = cf::till_tick;
421 if ($avail > 0.01) {
422 for (0 .. $#SLOT_QUEUE) {
423 if ($SLOT_QUEUE[$_][0] < $avail) {
424 my $job = splice @SLOT_QUEUE, $_, 1, ();
425 $job->[2]->send;
426 Coro::cede;
427 goto next_job;
428 }
429 }
430 }
431
432 if (@SLOT_QUEUE) {
433 # we do not use wait_for_tick() as it returns immediately when tick is inactive
434 push @cf::WAIT_FOR_TICK, $signal;
435 $signal->wait;
436 } else {
437 Coro::schedule;
438 }
308 }; 439 }
309 $TICK_WATCHER->stop; 440};
310 $guard 441
442sub get_slot($;$$) {
443 return if tick_inhibit || $Coro::current == $Coro::main;
444
445 my ($time, $pri, $name) = @_;
446
447 $time = $TICK * .6 if $time > $TICK * .6;
448 my $sig = new Coro::Signal;
449
450 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
451 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
452 $SLOT_QUEUE->ready;
453 $sig->wait;
311} 454}
312 455
313=item cf::async { BLOCK } 456=item cf::async { BLOCK }
314 457
315Currently the same as Coro::async_pool, meaning you cannot use 458Currently the same as Coro::async_pool, meaning you cannot use
320 463
321BEGIN { *async = \&Coro::async_pool } 464BEGIN { *async = \&Coro::async_pool }
322 465
323=item cf::sync_job { BLOCK } 466=item cf::sync_job { BLOCK }
324 467
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 468The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 469is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 470partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 471acceptable.
329 472
330If it must be done, put the blocking parts into C<sync_job>. This will run 473If it must be done, put the blocking parts into C<sync_job>. This will run
331the given BLOCK in another coroutine while waiting for the result. The 474the given BLOCK in another coroutine while waiting for the result. The
336 479
337sub sync_job(&) { 480sub sync_job(&) {
338 my ($job) = @_; 481 my ($job) = @_;
339 482
340 if ($Coro::current == $Coro::main) { 483 if ($Coro::current == $Coro::main) {
341 my $time = Event::time; 484 my $time = EV::time;
342 485
343 # this is the main coro, too bad, we have to block 486 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 487 # till the operation succeeds, freezing the server :/
345 488
346 # TODO: use suspend/resume instead 489 LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 490
348 my $freeze_guard = freeze_mainloop; 491 my $freeze_guard = freeze_mainloop;
349 492
350 my $busy = 1; 493 my $busy = 1;
351 my @res; 494 my @res;
352 495
353 (async { 496 (async {
497 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 498 @res = eval { $job->() };
355 warn $@ if $@; 499 warn $@ if $@;
356 undef $busy; 500 undef $busy;
357 })->prio (Coro::PRIO_MAX); 501 })->prio (Coro::PRIO_MAX);
358 502
359 while ($busy) { 503 while ($busy) {
360 Coro::cede or Event::one_event; 504 if (Coro::nready) {
505 Coro::cede_notself;
506 } else {
507 EV::loop EV::LOOP_ONESHOT;
361 } 508 }
509 }
362 510
363 $time = Event::time - $time; 511 my $time = EV::time - $time;
364 512
365 LOG llevError | logBacktrace, Carp::longmess "long sync job"
366 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368 $tick_start += $time; # do not account sync jobs to server load 513 $TICK_START += $time; # do not account sync jobs to server load
369 514
370 wantarray ? @res : $res[0] 515 wantarray ? @res : $res[0]
371 } else { 516 } else {
372 # we are in another coroutine, how wonderful, everything just works 517 # we are in another coroutine, how wonderful, everything just works
373 518
398=item fork_call { }, $args 543=item fork_call { }, $args
399 544
400Executes the given code block with the given arguments in a seperate 545Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 546process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 547Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 548never block itself or use any form of event handling.
404 549
405=cut 550=cut
406 551
407sub fork_call(&@) { 552sub fork_call(&@) {
408 my ($cb, @args) = @_; 553 my ($cb, @args) = @_;
409 554
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 555 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 556 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 557 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 558
415 if (my $pid = fork) { 559 my @res = Coro::Util::fork_eval {
416 close $fh2;
417
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419 $res = Coro::Storable::thaw $res;
420
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423 die $$res unless "ARRAY" eq ref $res;
424
425 return wantarray ? @$res : $res->[-1];
426 } else {
427 reset_signals; 560 reset_signals;
428 local $SIG{__WARN__}; 561 &$cb
429 local $SIG{__DIE__}; 562 }, @args;
430 eval {
431 close $fh1;
432 563
433 my @res = eval { $cb->(@args) }; 564 wantarray ? @res : $res[-1]
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 565}
435 };
436 566
437 warn $@ if $@; 567=item $coin = coin_from_name $name
438 _exit 0; 568
439 } 569=cut
570
571our %coin_alias = (
572 "silver" => "silvercoin",
573 "silvercoin" => "silvercoin",
574 "silvercoins" => "silvercoin",
575 "gold" => "goldcoin",
576 "goldcoin" => "goldcoin",
577 "goldcoins" => "goldcoin",
578 "platinum" => "platinacoin",
579 "platinumcoin" => "platinacoin",
580 "platinumcoins" => "platinacoin",
581 "platina" => "platinacoin",
582 "platinacoin" => "platinacoin",
583 "platinacoins" => "platinacoin",
584 "royalty" => "royalty",
585 "royalties" => "royalty",
586);
587
588sub coin_from_name($) {
589 $coin_alias{$_[0]}
590 ? cf::arch::find $coin_alias{$_[0]}
591 : undef
440} 592}
441 593
442=item $value = cf::db_get $family => $key 594=item $value = cf::db_get $family => $key
443 595
444Returns a single value from the environment database. 596Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 598=item cf::db_put $family => $key => $value
447 599
448Stores the given C<$value> in the family. It can currently store binary 600Stores the given C<$value> in the family. It can currently store binary
449data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 601data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 602
603=item $db = cf::db_table "name"
604
605Create and/or open a new database table. The string must not be "db" and must be unique
606within each server.
607
451=cut 608=cut
609
610sub db_table($) {
611 my ($name) = @_;
612 my $db = BDB::db_create $DB_ENV;
613
614 eval {
615 $db->set_flags (BDB::CHKSUM);
616
617 utf8::encode $name;
618 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
619 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
620 cf::cleanup "db_open(db): $!" if $!;
621 };
622 cf::cleanup "db_open(db): $@" if $@;
623
624 $db
625}
452 626
453our $DB; 627our $DB;
454 628
455sub db_init { 629sub db_init {
456 unless ($DB) {
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job { 630 cf::sync_job {
460 eval { 631 $DB ||= db_table "db";
461 $DB->set_flags (BDB::CHKSUM);
462
463 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465 cf::cleanup "db_open(db): $!" if $!;
466 };
467 cf::cleanup "db_open(db): $@" if $@;
468 };
469 } 632 };
470} 633}
471 634
472sub db_get($$) { 635sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 636 my $key = "$_[0]/$_[1]";
474 637
524 if (1) { 687 if (1) {
525 $md5 = 688 $md5 =
526 join "\x00", 689 join "\x00",
527 $processversion, 690 $processversion,
528 map { 691 map {
529 Coro::cede; 692 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 693 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 694 } 0.. $#$src;
532 695
533 696
534 my $dbmd5 = db_get cache => "$id/md5"; 697 my $dbmd5 = db_get cache => "$id/md5";
572 735
573############################################################################# 736#############################################################################
574 737
575=head2 ATTACHABLE OBJECTS 738=head2 ATTACHABLE OBJECTS
576 739
577Many objects in crossfire are so-called attachable objects. That means you can 740Many objects in deliantra are so-called attachable objects. That means you can
578attach callbacks/event handlers (a collection of which is called an "attachment") 741attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 742to it. All such attachable objects support the following methods.
580 743
581In the following description, CLASS can be any of C<global>, C<object> 744In the following description, CLASS can be any of C<global>, C<object>
582C<player>, C<client> or C<map> (i.e. the attachable objects in 745C<player>, C<client> or C<map> (i.e. the attachable objects in
583Crossfire TRT). 746Deliantra).
584 747
585=over 4 748=over 4
586 749
587=item $attachable->attach ($attachment, key => $value...) 750=item $attachable->attach ($attachment, key => $value...)
588 751
632=item cf::CLASS::attachment $name, ... 795=item cf::CLASS::attachment $name, ...
633 796
634Register an attachment by C<$name> through which attachable objects of the 797Register an attachment by C<$name> through which attachable objects of the
635given CLASS can refer to this attachment. 798given CLASS can refer to this attachment.
636 799
637Some classes such as crossfire maps and objects can specify attachments 800Some classes such as deliantra maps and objects can specify attachments
638that are attached at load/instantiate time, thus the need for a name. 801that are attached at load/instantiate time, thus the need for a name.
639 802
640These calls expect any number of the following handler/hook descriptions: 803These calls expect any number of the following handler/hook descriptions:
641 804
642=over 4 805=over 4
840 "; 1003 ";
841 die if $@; 1004 die if $@;
842} 1005}
843 1006
844our $override; 1007our $override;
845our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1008our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846 1009
847sub override { 1010sub override {
848 $override = 1; 1011 $override = 1;
849 @invoke_results = (); 1012 @INVOKE_RESULTS = (@_);
850} 1013}
851 1014
852sub do_invoke { 1015sub do_invoke {
853 my $event = shift; 1016 my $event = shift;
854 my $callbacks = shift; 1017 my $callbacks = shift;
855 1018
856 @invoke_results = (); 1019 @INVOKE_RESULTS = ();
857 1020
858 local $override; 1021 local $override;
859 1022
860 for (@$callbacks) { 1023 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1024 eval { &{$_->[1]} };
870 } 1033 }
871 1034
872 0 1035 0
873} 1036}
874 1037
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1039
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1040=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1041
879Generate an object-specific event with the given arguments. 1042Generate an object-specific event with the given arguments.
880 1043
881This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1044This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882removed in future versions), and there is no public API to access override 1045removed in future versions), and there is no public API to access override
883results (if you must, access C<@cf::invoke_results> directly). 1046results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1047
885=back 1048=back
886 1049
887=cut 1050=cut
888 1051
889############################################################################# 1052#############################################################################
890# object support 1053# object support
1054
1055sub _object_equal($$);
1056sub _object_equal($$) {
1057 my ($a, $b) = @_;
1058
1059 return 0 unless (ref $a) eq (ref $b);
1060
1061 if ("HASH" eq ref $a) {
1062 my @ka = keys %$a;
1063 my @kb = keys %$b;
1064
1065 return 0 if @ka != @kb;
1066
1067 for (0 .. $#ka) {
1068 return 0 unless $ka[$_] eq $kb[$_];
1069 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1070 }
1071
1072 } elsif ("ARRAY" eq ref $a) {
1073
1074 return 0 if @$a != @$b;
1075
1076 for (0 .. $#$a) {
1077 return 0 unless _object_equal $a->[$_], $b->[$_];
1078 }
1079
1080 } elsif ($a ne $b) {
1081 return 0;
1082 }
1083
1084 1
1085}
1086
1087our $SLOW_MERGES;#d#
1088sub _can_merge {
1089 my ($ob1, $ob2) = @_;
1090
1091 ++$SLOW_MERGES;#d#
1092
1093 # we do the slow way here
1094 return _object_equal $ob1, $ob2
1095}
891 1096
892sub reattach { 1097sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1098 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1099 my ($obj) = @_;
895 1100
1101 # no longer needed after getting rid of delete_package?
896 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1102 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897 1103
898 my $registry = $obj->registry; 1104 my $registry = $obj->registry;
899 1105
900 @$registry = (); 1106 @$registry = ();
901 1107
916cf::attachable->attach ( 1122cf::attachable->attach (
917 prio => -1000000, 1123 prio => -1000000,
918 on_instantiate => sub { 1124 on_instantiate => sub {
919 my ($obj, $data) = @_; 1125 my ($obj, $data) = @_;
920 1126
921 $data = from_json $data; 1127 $data = decode_json $data;
922 1128
923 for (@$data) { 1129 for (@$data) {
924 my ($name, $args) = @$_; 1130 my ($name, $args) = @$_;
925 1131
926 $obj->attach ($name, %{$args || {} }); 1132 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1148sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1149 my ($filename, $rdata, $objs) = @_;
944 1150
945 sync_job { 1151 sync_job {
946 if (length $$rdata) { 1152 if (length $$rdata) {
1153 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1154 warn sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1155 $decname, length $$rdata, scalar @$objs;
949 1156
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1157 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1158 aio_chmod $fh, SAVE_MODE;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1159 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 aio_fsync $fh if $cf::USE_FSYNC; 1160 if ($cf::USE_FSYNC) {
1161 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1162 aio_fsync $fh;
1163 }
954 close $fh; 1164 aio_close $fh;
955 1165
956 if (@$objs) { 1166 if (@$objs) {
957 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1167 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1168 aio_chmod $fh, SAVE_MODE;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1169 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1170 aio_write $fh, 0, (length $data), $data, 0;
961 aio_fsync $fh if $cf::USE_FSYNC; 1171 if ($cf::USE_FSYNC) {
1172 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1173 aio_fsync $fh;
1174 }
962 close $fh; 1175 aio_close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1176 aio_rename "$filename.pst~", "$filename.pst";
964 } 1177 }
965 } else { 1178 } else {
966 aio_unlink "$filename.pst"; 1179 aio_unlink "$filename.pst";
967 } 1180 }
968 1181
969 aio_rename "$filename~", $filename; 1182 aio_rename "$filename~", $filename;
1183
1184 $filename =~ s%/[^/]+$%%;
1185 aio_pathsync $filename if $cf::USE_FSYNC;
970 } else { 1186 } else {
971 warn "FATAL: $filename~: $!\n"; 1187 warn "unable to save objects: $filename~: $!\n";
972 } 1188 }
973 } else { 1189 } else {
974 aio_unlink $filename; 1190 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1191 aio_unlink "$filename.pst";
976 } 1192 }
977 } 1193 };
978} 1194}
979 1195
980sub object_freezer_as_string { 1196sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1197 my ($rdata, $objs) = @_;
982 1198
994 or return; 1210 or return;
995 1211
996 unless (aio_stat "$filename.pst") { 1212 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1213 (aio_load "$filename.pst", $av) >= 0
998 or return; 1214 or return;
1215
999 $av = eval { (Storable::thaw $av)->{objs} }; 1216 my $st = eval { Coro::Storable::thaw $av };
1217 $av = $st->{objs};
1000 } 1218 }
1001 1219
1220 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1221 warn sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1222 $decname, length $data, scalar @{$av || []};
1223
1004 return ($data, $av); 1224 ($data, $av)
1005} 1225}
1006 1226
1007=head2 COMMAND CALLBACKS 1227=head2 COMMAND CALLBACKS
1008 1228
1009=over 4 1229=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1249 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1250}
1031 1251
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1252=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1253
1034Register a callback fro execution when the client sends an extcmd packet. 1254Register a callback for execution when the client sends an (synchronous)
1255extcmd packet. Ext commands will be processed in the order they are
1256received by the server, like other user commands. The first argument is
1257the logged-in player. Ext commands can only be processed after a player
1258has logged in successfully.
1035 1259
1036If the callback returns something, it is sent back as if reply was being 1260If the callback returns something, it is sent back as if reply was being
1037called. 1261called.
1038 1262
1263=item cf::register_exticmd $name => \&callback($ns,$packet);
1264
1265Register a callback for execution when the client sends an (asynchronous)
1266exticmd packet. Exti commands are processed by the server as soon as they
1267are received, i.e. out of order w.r.t. other commands. The first argument
1268is a client socket. Exti commands can be received anytime, even before
1269log-in.
1270
1271If the callback returns something, it is sent back as if reply was being
1272called.
1273
1039=cut 1274=cut
1040 1275
1041sub register_extcmd { 1276sub register_extcmd {
1042 my ($name, $cb) = @_; 1277 my ($name, $cb) = @_;
1043 1278
1044 $EXTCMD{$name} = $cb; 1279 $EXTCMD{$name} = $cb;
1045} 1280}
1281
1282sub register_exticmd {
1283 my ($name, $cb) = @_;
1284
1285 $EXTICMD{$name} = $cb;
1286}
1287
1288use File::Glob ();
1046 1289
1047cf::player->attach ( 1290cf::player->attach (
1048 on_command => sub { 1291 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
1050 1293
1058 cf::override; 1301 cf::override;
1059 }, 1302 },
1060 on_extcmd => sub { 1303 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
1062 1305
1063 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1307
1065 if (ref $msg) { 1308 if (ref $msg) {
1309 my ($type, $reply, @payload) =
1310 "ARRAY" eq ref $msg
1311 ? @$msg
1312 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1313
1314 my @reply;
1315
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
1071 } else { 1323 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1325 }
1074 1326
1075 cf::override; 1327 cf::override;
1076 }, 1328 },
1077); 1329);
1330
1331# "readahead" all extensions
1332sub cache_extensions {
1333 my $grp = IO::AIO::aio_group;
1334
1335 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1336 for (grep /\.ext$/, @{$_[0]}) {
1337 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1338 }
1339 };
1340
1341 $grp
1342}
1078 1343
1079sub load_extensions { 1344sub load_extensions {
1080 cf::sync_job { 1345 cf::sync_job {
1081 my %todo; 1346 my %todo;
1082 1347
1102 1367
1103 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1368 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1369 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105 1370
1106 $ext{source} = 1371 $ext{source} =
1107 "package $pkg; use strict; use utf8;\n" 1372 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108 . "#line 1 \"$path\"\n{\n" 1373 . "#line 1 \"$path\"\n{\n"
1109 . $source 1374 . $source
1110 . "\n};\n1"; 1375 . "\n};\n1";
1111 1376
1112 $todo{$base} = \%ext; 1377 $todo{$base} = \%ext;
1128 my $msg = $@ ? "$v->{path}: $@\n" 1393 my $msg = $@ ? "$v->{path}: $@\n"
1129 : "$v->{base}: extension inactive.\n"; 1394 : "$v->{base}: extension inactive.\n";
1130 1395
1131 if (exists $v->{meta}{mandatory}) { 1396 if (exists $v->{meta}{mandatory}) {
1132 warn $msg; 1397 warn $msg;
1133 warn "mandatory extension failed to load, exiting.\n"; 1398 cf::cleanup "mandatory extension failed to load, exiting.";
1134 exit 1;
1135 } 1399 }
1136 1400
1137 warn $msg; 1401 warn $msg;
1138 } 1402 }
1139 1403
1153 1417
1154=back 1418=back
1155 1419
1156=head2 CORE EXTENSIONS 1420=head2 CORE EXTENSIONS
1157 1421
1158Functions and methods that extend core crossfire objects. 1422Functions and methods that extend core deliantra objects.
1159 1423
1160=cut 1424=cut
1161 1425
1162package cf::player; 1426package cf::player;
1163 1427
1164use Coro::AIO; 1428use Coro::AIO;
1165 1429
1166=head3 cf::player 1430=head3 cf::player
1167 1431
1168=over 4 1432=over 4
1433
1434=item cf::player::num_playing
1435
1436Returns the official number of playing players, as per the Crossfire metaserver rules.
1437
1438=cut
1439
1440sub num_playing {
1441 scalar grep
1442 $_->ob->map
1443 && !$_->hidden
1444 && !$_->ob->flag (cf::FLAG_WIZ),
1445 cf::player::list
1446}
1169 1447
1170=item cf::player::find $login 1448=item cf::player::find $login
1171 1449
1172Returns the given player object, loading it if necessary (might block). 1450Returns the given player object, loading it if necessary (might block).
1173 1451
1192 1470
1193sub exists($) { 1471sub exists($) {
1194 my ($login) = @_; 1472 my ($login) = @_;
1195 1473
1196 $cf::PLAYER{$login} 1474 $cf::PLAYER{$login}
1197 or cf::sync_job { !aio_stat path $login } 1475 or !aio_stat path $login
1198} 1476}
1199 1477
1200sub find($) { 1478sub find($) {
1201 return $cf::PLAYER{$_[0]} || do { 1479 return $cf::PLAYER{$_[0]} || do {
1202 my $login = $_[0]; 1480 my $login = $_[0];
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1487 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1488 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1489 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1490 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1491
1214 my $pl = load_pl path $login 1492 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1493 or return;
1494
1495 my $pl = cf::player::load_pl $f
1496 or return;
1497
1498 local $cf::PLAYER_LOADING{$login} = $pl;
1499 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1500 $cf::PLAYER{$login} = $pl
1217 } 1501 }
1218 } 1502 }
1219} 1503}
1220 1504
1229 return if $pl->{deny_save}; 1513 return if $pl->{deny_save};
1230 1514
1231 aio_mkdir playerdir $pl, 0770; 1515 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1516 $pl->{last_save} = $cf::RUNTIME;
1233 1517
1518 cf::get_slot 0.01;
1519
1234 $pl->save_pl ($path); 1520 $pl->save_pl ($path);
1235 Coro::cede; 1521 cf::cede_to_tick;
1236} 1522}
1237 1523
1238sub new($) { 1524sub new($) {
1239 my ($login) = @_; 1525 my ($login) = @_;
1240 1526
1246 $cf::PLAYER{$login} = $self; 1532 $cf::PLAYER{$login} = $self;
1247 1533
1248 $self 1534 $self
1249} 1535}
1250 1536
1537=item $player->send_msg ($channel, $msg, $color, [extra...])
1538
1539=cut
1540
1541sub send_msg {
1542 my $ns = shift->ns
1543 or return;
1544 $ns->send_msg (@_);
1545}
1546
1251=item $pl->quit_character 1547=item $pl->quit_character
1252 1548
1253Nukes the player without looking back. If logged in, the connection will 1549Nukes the player without looking back. If logged in, the connection will
1254be destroyed. May block for a long time. 1550be destroyed. May block for a long time.
1255 1551
1259 my ($pl) = @_; 1555 my ($pl) = @_;
1260 1556
1261 my $name = $pl->ob->name; 1557 my $name = $pl->ob->name;
1262 1558
1263 $pl->{deny_save} = 1; 1559 $pl->{deny_save} = 1;
1264 $pl->password ("*"); # this should lock out the player until we nuked the dir 1560 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1265 1561
1266 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1562 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267 $pl->deactivate; 1563 $pl->deactivate;
1564 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1565 $pl->ob->check_score;
1268 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1566 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1269 $pl->ns->destroy if $pl->ns; 1567 $pl->ns->destroy if $pl->ns;
1270 1568
1271 my $path = playerdir $pl; 1569 my $path = playerdir $pl;
1272 my $temp = "$path~$cf::RUNTIME~deleting~"; 1570 my $temp = "$path~$cf::RUNTIME~deleting~";
1308 or return []; 1606 or return [];
1309 1607
1310 my @logins; 1608 my @logins;
1311 1609
1312 for my $login (@$dirs) { 1610 for my $login (@$dirs) {
1611 my $path = path $login;
1612
1613 # a .pst is a dead give-away for a valid player
1614 # if no pst file found, open and chekc for blocked users
1615 if (aio_stat "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1616 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1617 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1618 $buf !~ /^password -------------$/m or next; # official not-valid tag
1619 }
1316 1620
1317 utf8::decode $login; 1621 utf8::decode $login;
1318 push @logins, $login; 1622 push @logins, $login;
1319 } 1623 }
1320 1624
1347 } 1651 }
1348 1652
1349 \@paths 1653 \@paths
1350} 1654}
1351 1655
1656=item $protocol_xml = $player->expand_cfpod ($cfpod)
1657
1658Expand deliantra pod fragments into protocol xml.
1659
1352=item $player->ext_reply ($msgid, %msg) 1660=item $player->ext_reply ($msgid, @msg)
1353 1661
1354Sends an ext reply to the player. 1662Sends an ext reply to the player.
1355 1663
1356=cut 1664=cut
1357 1665
1358sub ext_reply($$%) { 1666sub ext_reply($$@) {
1359 my ($self, $id, %msg) = @_; 1667 my ($self, $id, @msg) = @_;
1360 1668
1361 $msg{msgid} = $id; 1669 $self->ns->ext_reply ($id, @msg)
1362
1363 $self->send ("ext " . cf::to_json \%msg);
1364} 1670}
1365 1671
1366=item $player->ext_event ($type, %msg) 1672=item $player->ext_msg ($type, @msg)
1367 1673
1368Sends an ext event to the client. 1674Sends an ext event to the client.
1369 1675
1370=cut 1676=cut
1371 1677
1372sub ext_event($$%) { 1678sub ext_msg($$@) {
1373 my ($self, $type, %msg) = @_; 1679 my ($self, $type, @msg) = @_;
1374 1680
1375 $self->ns->ext_event ($type, %msg); 1681 $self->ns->ext_msg ($type, @msg);
1376} 1682}
1377 1683
1378=head3 cf::region 1684=head3 cf::region
1379 1685
1380=over 4 1686=over 4
1393 my ($path) = @_; 1699 my ($path) = @_;
1394 1700
1395 my ($match, $specificity); 1701 my ($match, $specificity);
1396 1702
1397 for my $region (list) { 1703 for my $region (list) {
1398 if ($region->match && $path =~ $region->match) { 1704 if ($region->{match} && $path =~ $region->{match}) {
1399 ($match, $specificity) = ($region, $region->specificity) 1705 ($match, $specificity) = ($region, $region->specificity)
1400 if $region->specificity > $specificity; 1706 if $region->specificity > $specificity;
1401 } 1707 }
1402 } 1708 }
1403 1709
1424our $MAX_RESET = 3600; 1730our $MAX_RESET = 3600;
1425our $DEFAULT_RESET = 3000; 1731our $DEFAULT_RESET = 3000;
1426 1732
1427sub generate_random_map { 1733sub generate_random_map {
1428 my ($self, $rmp) = @_; 1734 my ($self, $rmp) = @_;
1735
1736 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1737
1429 # mit "rum" bekleckern, nicht 1738 # mit "rum" bekleckern, nicht
1430 $self->_create_random_map ( 1739 $self->_create_random_map (
1431 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1740 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1741 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1742 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1523 $self->init; # pass $1 etc. 1832 $self->init; # pass $1 etc.
1524 return $self; 1833 return $self;
1525 } 1834 }
1526 } 1835 }
1527 1836
1528 Carp::carp "unable to resolve path '$path' (base '$base')."; 1837 Carp::cluck "unable to resolve path '$path' (base '$base').";
1529 () 1838 ()
1530} 1839}
1531 1840
1532sub init { 1841sub init {
1533 my ($self) = @_; 1842 my ($self) = @_;
1555 1864
1556# the temporary/swap location 1865# the temporary/swap location
1557sub save_path { 1866sub save_path {
1558 my ($self) = @_; 1867 my ($self) = @_;
1559 1868
1560 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1869 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561 "$TMPDIR/$path.map" 1870 "$TMPDIR/$path.map"
1562} 1871}
1563 1872
1564# the unique path, undef == no special unique path 1873# the unique path, undef == no special unique path
1565sub uniq_path { 1874sub uniq_path {
1566 my ($self) = @_; 1875 my ($self) = @_;
1567 1876
1568 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1877 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569 "$UNIQUEDIR/$path" 1878 "$UNIQUEDIR/$path"
1570}
1571
1572# and all this just because we cannot iterate over
1573# all maps in C++...
1574sub change_all_map_light {
1575 my ($change) = @_;
1576
1577 $_->change_map_light ($change)
1578 for grep $_->outdoor, values %cf::MAP;
1579} 1879}
1580 1880
1581sub decay_objects { 1881sub decay_objects {
1582 my ($self) = @_; 1882 my ($self) = @_;
1583 1883
1596 1896
1597sub load_header_from($) { 1897sub load_header_from($) {
1598 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1599 1899
1600 utf8::encode $path; 1900 utf8::encode $path;
1601 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1602 # or return;
1603
1604 $self->_load_header ($path)
1605 or return; 1902 or return;
1903
1904 $self->_load_header ($f)
1905 or return;
1906
1907 local $MAP_LOADING{$self->{path}} = $self;
1908 $f->resolve_delayed_derefs;
1606 1909
1607 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1608 1911
1609 1 1912 1
1610} 1913}
1664sub find { 1967sub find {
1665 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1666 1969
1667 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1668 1971
1972 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669 cf::lock_wait "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1670 1974
1671 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1672 my $guard = cf::lock_acquire "map_find:$path";
1673 my $map = new_from_path cf::map $path 1976 my $map = new_from_path cf::map $path
1674 or return; 1977 or return;
1675 1978
1676 $map->{last_save} = $cf::RUNTIME; 1979 $map->{last_save} = $cf::RUNTIME;
1677 1980
1679 or return; 1982 or return;
1680 1983
1681 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1984 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682 # doing this can freeze the server in a sync job, obviously 1985 # doing this can freeze the server in a sync job, obviously
1683 #$cf::WAIT_FOR_TICK->wait; 1986 #$cf::WAIT_FOR_TICK->wait;
1987 undef $guard2;
1988 undef $guard1;
1684 $map->reset; 1989 $map->reset;
1685 undef $guard;
1686 return find $path; 1990 return find $path;
1687 } 1991 }
1688 1992
1689 $cf::MAP{$path} = $map 1993 $cf::MAP{$path} = $map
1690 } 1994 }
1699 local $self->{deny_reset} = 1; # loading can take a long time 2003 local $self->{deny_reset} = 1; # loading can take a long time
1700 2004
1701 my $path = $self->{path}; 2005 my $path = $self->{path};
1702 2006
1703 { 2007 {
1704 my $guard = cf::lock_acquire "map_load:$path"; 2008 my $guard = cf::lock_acquire "map_data:$path";
1705 2009
2010 return unless $self->valid;
1706 return if $self->in_memory != cf::MAP_SWAPPED; 2011 return unless $self->in_memory == cf::MAP_SWAPPED;
1707 2012
1708 $self->in_memory (cf::MAP_LOADING); 2013 $self->in_memory (cf::MAP_LOADING);
1709 2014
1710 $self->alloc; 2015 $self->alloc;
1711 2016
1712 $self->pre_load; 2017 $self->pre_load;
1713 Coro::cede; 2018 cf::cede_to_tick;
1714 2019
2020 my $f = new_from_file cf::object::thawer $self->{load_path};
2021 $f->skip_block;
1715 $self->_load_objects ($self->{load_path}, 1) 2022 $self->_load_objects ($f)
1716 or return; 2023 or return;
1717 2024
1718 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2025 $self->post_load_original
1719 if delete $self->{load_original}; 2026 if delete $self->{load_original};
1720 2027
1721 if (my $uniq = $self->uniq_path) { 2028 if (my $uniq = $self->uniq_path) {
1722 utf8::encode $uniq; 2029 utf8::encode $uniq;
1723 if (aio_open $uniq, O_RDONLY, 0) { 2030 unless (aio_stat $uniq) {
2031 if (my $f = new_from_file cf::object::thawer $uniq) {
1724 $self->clear_unique_items; 2032 $self->clear_unique_items;
1725 $self->_load_objects ($uniq, 0); 2033 $self->_load_objects ($f);
2034 $f->resolve_delayed_derefs;
2035 }
1726 } 2036 }
1727 } 2037 }
1728 2038
1729 Coro::cede; 2039 $f->resolve_delayed_derefs;
2040
2041 cf::cede_to_tick;
1730 # now do the right thing for maps 2042 # now do the right thing for maps
1731 $self->link_multipart_objects; 2043 $self->link_multipart_objects;
1732 $self->difficulty ($self->estimate_difficulty) 2044 $self->difficulty ($self->estimate_difficulty)
1733 unless $self->difficulty; 2045 unless $self->difficulty;
1734 Coro::cede; 2046 cf::cede_to_tick;
1735 2047
1736 unless ($self->{deny_activate}) { 2048 unless ($self->{deny_activate}) {
1737 $self->decay_objects; 2049 $self->decay_objects;
1738 $self->fix_auto_apply; 2050 $self->fix_auto_apply;
1739 $self->update_buttons; 2051 $self->update_buttons;
1740 Coro::cede; 2052 cf::cede_to_tick;
1741 $self->set_darkness_map;
1742 Coro::cede;
1743 $self->activate; 2053 $self->activate;
1744 } 2054 }
1745 2055
2056 $self->{last_save} = $cf::RUNTIME;
2057 $self->last_access ($cf::RUNTIME);
2058
1746 $self->in_memory (cf::MAP_IN_MEMORY); 2059 $self->in_memory (cf::MAP_ACTIVE);
1747 } 2060 }
1748 2061
1749 $self->post_load; 2062 $self->post_load;
1750} 2063}
1751 2064
1760 2073
1761 $self 2074 $self
1762} 2075}
1763 2076
1764# find and load all maps in the 3x3 area around a map 2077# find and load all maps in the 3x3 area around a map
1765sub load_diag { 2078sub load_neighbours {
1766 my ($map) = @_; 2079 my ($map) = @_;
1767 2080
1768 my @diag; # diagonal neighbours 2081 my @neigh; # diagonal neighbours
1769 2082
1770 for (0 .. 3) { 2083 for (0 .. 3) {
1771 my $neigh = $map->tile_path ($_) 2084 my $neigh = $map->tile_path ($_)
1772 or next; 2085 or next;
1773 $neigh = find $neigh, $map 2086 $neigh = find $neigh, $map
1774 or next; 2087 or next;
1775 $neigh->load; 2088 $neigh->load;
1776 2089
2090 push @neigh,
1777 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2091 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2092 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1779 } 2093 }
1780 2094
1781 for (@diag) { 2095 for (grep defined $_->[0], @neigh) {
2096 my ($path, $origin) = @$_;
1782 my $neigh = find @$_ 2097 my $neigh = find $path, $origin
1783 or next; 2098 or next;
1784 $neigh->load; 2099 $neigh->load;
1785 } 2100 }
1786} 2101}
1787 2102
1792} 2107}
1793 2108
1794sub do_load_sync { 2109sub do_load_sync {
1795 my ($map) = @_; 2110 my ($map) = @_;
1796 2111
2112 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2113 if $Coro::current == $Coro::main;
2114
1797 cf::sync_job { $map->load }; 2115 cf::sync_job { $map->load };
1798} 2116}
1799 2117
1800our %MAP_PREFETCH; 2118our %MAP_PREFETCH;
1801our $MAP_PREFETCHER = undef; 2119our $MAP_PREFETCHER = undef;
1802 2120
1803sub find_async { 2121sub find_async {
1804 my ($path, $origin) = @_; 2122 my ($path, $origin, $load) = @_;
1805 2123
1806 $path = normalise $path, $origin && $origin->{path}; 2124 $path = normalise $path, $origin && $origin->{path};
1807 2125
1808 if (my $map = $cf::MAP{$path}) { 2126 if (my $map = $cf::MAP{$path}) {
1809 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2127 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1810 } 2128 }
1811 2129
1812 undef $MAP_PREFETCH{$path}; 2130 $MAP_PREFETCH{$path} |= $load;
2131
1813 $MAP_PREFETCHER ||= cf::async { 2132 $MAP_PREFETCHER ||= cf::async {
2133 $Coro::current->{desc} = "map prefetcher";
2134
1814 while (%MAP_PREFETCH) { 2135 while (%MAP_PREFETCH) {
1815 for my $path (keys %MAP_PREFETCH) { 2136 while (my ($k, $v) = each %MAP_PREFETCH) {
1816 my $map = find $path 2137 if (my $map = find $k) {
1817 or next;
1818 $map->load; 2138 $map->load if $v;
2139 }
1819 2140
1820 delete $MAP_PREFETCH{$path}; 2141 delete $MAP_PREFETCH{$k};
1821 } 2142 }
1822 } 2143 }
1823 undef $MAP_PREFETCHER; 2144 undef $MAP_PREFETCHER;
1824 }; 2145 };
1825 $MAP_PREFETCHER->prio (6); 2146 $MAP_PREFETCHER->prio (6);
1828} 2149}
1829 2150
1830sub save { 2151sub save {
1831 my ($self) = @_; 2152 my ($self) = @_;
1832 2153
1833 my $lock = cf::lock_acquire "map_data:" . $self->path; 2154 my $lock = cf::lock_acquire "map_data:$self->{path}";
1834 2155
1835 $self->{last_save} = $cf::RUNTIME; 2156 $self->{last_save} = $cf::RUNTIME;
1836 2157
1837 return unless $self->dirty; 2158 return unless $self->dirty;
1838 2159
1844 return if $self->{deny_save}; 2165 return if $self->{deny_save};
1845 2166
1846 local $self->{last_access} = $self->last_access;#d# 2167 local $self->{last_access} = $self->last_access;#d#
1847 2168
1848 cf::async { 2169 cf::async {
2170 $Coro::current->{desc} = "map player save";
1849 $_->contr->save for $self->players; 2171 $_->contr->save for $self->players;
1850 }; 2172 };
2173
2174 cf::get_slot 0.02;
1851 2175
1852 if ($uniq) { 2176 if ($uniq) {
1853 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2177 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2178 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1855 } else { 2179 } else {
1861 my ($self) = @_; 2185 my ($self) = @_;
1862 2186
1863 # save first because save cedes 2187 # save first because save cedes
1864 $self->save; 2188 $self->save;
1865 2189
1866 my $lock = cf::lock_acquire "map_data:" . $self->path; 2190 my $lock = cf::lock_acquire "map_data:$self->{path}";
1867 2191
1868 return if $self->players; 2192 return if $self->players;
1869 return if $self->in_memory != cf::MAP_IN_MEMORY; 2193 return if $self->in_memory != cf::MAP_ACTIVE;
1870 return if $self->{deny_save}; 2194 return if $self->{deny_save};
1871 2195
2196 $self->in_memory (cf::MAP_SWAPPED);
2197
2198 $self->deactivate;
2199 $_->clear_links_to ($self) for values %cf::MAP;
1872 $self->clear; 2200 $self->clear;
1873 $self->in_memory (cf::MAP_SWAPPED);
1874} 2201}
1875 2202
1876sub reset_at { 2203sub reset_at {
1877 my ($self) = @_; 2204 my ($self) = @_;
1878 2205
1910 if $uniq; 2237 if $uniq;
1911 } 2238 }
1912 2239
1913 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1914 2241
2242 $self->deactivate;
2243 $_->clear_links_to ($self) for values %cf::MAP;
1915 $self->clear; 2244 $self->clear;
1916
1917 $_->clear_links_to ($self) for values %cf::MAP;
1918 2245
1919 $self->unlink_save; 2246 $self->unlink_save;
1920 $self->destroy; 2247 $self->destroy;
1921} 2248}
1922 2249
1923my $nuke_counter = "aaaa"; 2250my $nuke_counter = "aaaa";
1924 2251
1925sub nuke { 2252sub nuke {
1926 my ($self) = @_; 2253 my ($self) = @_;
1927 2254
2255 {
2256 my $lock = cf::lock_acquire "map_data:$self->{path}";
2257
1928 delete $cf::MAP{$self->path}; 2258 delete $cf::MAP{$self->path};
1929 2259
1930 $self->unlink_save; 2260 $self->unlink_save;
1931 2261
1932 bless $self, "cf::map"; 2262 bless $self, "cf::map";
1933 delete $self->{deny_reset}; 2263 delete $self->{deny_reset};
1934 $self->{deny_save} = 1; 2264 $self->{deny_save} = 1;
1935 $self->reset_timeout (1); 2265 $self->reset_timeout (1);
1936 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2266 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937 2267
1938 $cf::MAP{$self->path} = $self; 2268 $cf::MAP{$self->path} = $self;
2269 }
1939 2270
1940 $self->reset; # polite request, might not happen 2271 $self->reset; # polite request, might not happen
1941} 2272}
1942 2273
1943=item $maps = cf::map::tmp_maps 2274=item $maps = cf::map::tmp_maps
1985 2316
1986sub unique_maps() { 2317sub unique_maps() {
1987 [ 2318 [
1988 map { 2319 map {
1989 utf8::decode $_; 2320 utf8::decode $_;
1990 /\.map$/ 2321 s/\.map$//; # TODO future compatibility hack
2322 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2323 ? ()
1991 ? normalise $_ 2324 : normalise $_
1992 : ()
1993 } @{ aio_readdir $UNIQUEDIR or [] } 2325 } @{ aio_readdir $UNIQUEDIR or [] }
1994 ] 2326 ]
1995} 2327}
1996 2328
1997package cf;
1998
1999=back 2329=back
2000 2330
2001=head3 cf::object 2331=head3 cf::object
2002 2332
2003=cut 2333=cut
2006 2336
2007=over 4 2337=over 4
2008 2338
2009=item $ob->inv_recursive 2339=item $ob->inv_recursive
2010 2340
2011Returns the inventory of the object _and_ their inventories, recursively. 2341Returns the inventory of the object I<and> their inventories, recursively,
2342but I<not> the object itself.
2012 2343
2013=cut 2344=cut
2014 2345
2015sub inv_recursive_; 2346sub inv_recursive_;
2016sub inv_recursive_ { 2347sub inv_recursive_ {
2019 2350
2020sub inv_recursive { 2351sub inv_recursive {
2021 inv_recursive_ inv $_[0] 2352 inv_recursive_ inv $_[0]
2022} 2353}
2023 2354
2355=item $ref = $ob->ref
2356
2357Creates and returns a persistent reference to an object that can be stored as a string.
2358
2359=item $ob = cf::object::deref ($refstring)
2360
2361returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2362even if the object actually exists. May block.
2363
2364=cut
2365
2366sub deref {
2367 my ($ref) = @_;
2368
2369 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2370 my ($uuid, $name) = ($1, $2);
2371 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2372 or return;
2373 $pl->ob->uuid eq $uuid
2374 or return;
2375
2376 $pl->ob
2377 } else {
2378 warn "$ref: cannot resolve object reference\n";
2379 undef
2380 }
2381}
2382
2024package cf; 2383package cf;
2025 2384
2026=back 2385=back
2027 2386
2028=head3 cf::object::player 2387=head3 cf::object::player
2034Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2393Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035can be C<undef>. Does the right thing when the player is currently in a 2394can be C<undef>. Does the right thing when the player is currently in a
2036dialogue with the given NPC character. 2395dialogue with the given NPC character.
2037 2396
2038=cut 2397=cut
2398
2399our $SAY_CHANNEL = {
2400 id => "say",
2401 title => "Map",
2402 reply => "say ",
2403 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2404};
2405
2406our $CHAT_CHANNEL = {
2407 id => "chat",
2408 title => "Chat",
2409 reply => "chat ",
2410 tooltip => "Player chat and shouts, global to the server.",
2411};
2039 2412
2040# rough implementation of a future "reply" method that works 2413# rough implementation of a future "reply" method that works
2041# with dialog boxes. 2414# with dialog boxes.
2042#TODO: the first argument must go, split into a $npc->reply_to ( method 2415#TODO: the first argument must go, split into a $npc->reply_to ( method
2043sub cf::object::player::reply($$$;$) { 2416sub cf::object::player::reply($$$;$) {
2045 2418
2046 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2419 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047 2420
2048 if ($self->{record_replies}) { 2421 if ($self->{record_replies}) {
2049 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2422 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2423
2050 } else { 2424 } else {
2425 my $pl = $self->contr;
2426
2427 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2428 my $dialog = $pl->{npc_dialog};
2429 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2430
2431 } else {
2051 $msg = $npc->name . " says: $msg" if $npc; 2432 $msg = $npc->name . " says: $msg" if $npc;
2052 $self->message ($msg, $flags); 2433 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2434 }
2053 } 2435 }
2436}
2437
2438=item $object->send_msg ($channel, $msg, $color, [extra...])
2439
2440=cut
2441
2442sub cf::object::send_msg {
2443 my $pl = shift->contr
2444 or return;
2445 $pl->send_msg (@_);
2054} 2446}
2055 2447
2056=item $player_object->may ("access") 2448=item $player_object->may ("access")
2057 2449
2058Returns wether the given player is authorized to access resource "access" 2450Returns wether the given player is authorized to access resource "access"
2071 2463
2072=item $player_object->enter_link 2464=item $player_object->enter_link
2073 2465
2074Freezes the player and moves him/her to a special map (C<{link}>). 2466Freezes the player and moves him/her to a special map (C<{link}>).
2075 2467
2076The player should be reasonably safe there for short amounts of time. You 2468The player should be reasonably safe there for short amounts of time (e.g.
2077I<MUST> call C<leave_link> as soon as possible, though. 2469for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2470though, as the palyer cannot control the character while it is on the link
2471map.
2078 2472
2079Will never block. 2473Will never block.
2080 2474
2081=item $player_object->leave_link ($map, $x, $y) 2475=item $player_object->leave_link ($map, $x, $y)
2082 2476
2137 # use -1 or undef as default coordinates, not 0, 0 2531 # use -1 or undef as default coordinates, not 0, 0
2138 ($x, $y) = ($map->enter_x, $map->enter_y) 2532 ($x, $y) = ($map->enter_x, $map->enter_y)
2139 if $x <=0 && $y <= 0; 2533 if $x <=0 && $y <= 0;
2140 2534
2141 $map->load; 2535 $map->load;
2142 $map->load_diag; 2536 $map->load_neighbours;
2143 2537
2144 return unless $self->contr->active; 2538 return unless $self->contr->active;
2539 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2145 $self->activate_recursive; 2540 $self->activate_recursive;
2146 2541
2147 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2542 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148 $self->enter_map ($map, $x, $y); 2543 $self->enter_map ($map, $x, $y);
2149} 2544}
2150 2545
2151=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2546=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2152 2547
2153Moves the player to the given map-path and coordinates by first freezing 2548Moves the player to the given map-path and coordinates by first freezing
2154her, loading and preparing them map, calling the provided $check callback 2549her, loading and preparing them map, calling the provided $check callback
2155that has to return the map if sucecssful, and then unfreezes the player on 2550that has to return the map if sucecssful, and then unfreezes the player on
2156the new (success) or old (failed) map position. 2551the new (success) or old (failed) map position. In either case, $done will
2552be called at the end of this process.
2553
2554Note that $check will be called with a potentially non-loaded map, so if
2555it needs a loaded map it has to call C<< ->load >>.
2157 2556
2158=cut 2557=cut
2159 2558
2160our $GOTOGEN; 2559our $GOTOGEN;
2161 2560
2162sub cf::object::player::goto { 2561sub cf::object::player::goto {
2163 my ($self, $path, $x, $y, $check) = @_; 2562 my ($self, $path, $x, $y, $check, $done) = @_;
2164 2563
2165 # do generation counting so two concurrent goto's will be executed in-order 2564 # do generation counting so two concurrent goto's will be executed in-order
2166 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2565 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167 2566
2168 $self->enter_link; 2567 $self->enter_link;
2169 2568
2170 (async { 2569 (async {
2570 $Coro::current->{desc} = "player::goto $path $x $y";
2571
2572 # *tag paths override both path and x|y
2573 if ($path =~ /^\*(.*)$/) {
2574 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2575 my $ob = $obs[rand @obs];
2576
2577 # see if we actually can go there
2578 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2579 $ob = $obs[rand @obs];
2580 } else {
2581 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2582 }
2583 # else put us there anyways for now #d#
2584
2585 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2586 } else {
2587 ($path, $x, $y) = (undef, undef, undef);
2588 }
2589 }
2590
2171 my $map = eval { 2591 my $map = eval {
2172 my $map = cf::map::find $path; 2592 my $map = defined $path ? cf::map::find $path : undef;
2173 2593
2174 if ($map) { 2594 if ($map) {
2175 $map = $map->customise_for ($self); 2595 $map = $map->customise_for ($self);
2176 $map = $check->($map) if $check && $map; 2596 $map = $check->($map) if $check && $map;
2177 } else { 2597 } else {
2178 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2598 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179 } 2599 }
2180 2600
2181 $map 2601 $map
2182 }; 2602 };
2183 2603
2188 2608
2189 if ($gen == $self->{_goto_generation}) { 2609 if ($gen == $self->{_goto_generation}) {
2190 delete $self->{_goto_generation}; 2610 delete $self->{_goto_generation};
2191 $self->leave_link ($map, $x, $y); 2611 $self->leave_link ($map, $x, $y);
2192 } 2612 }
2613
2614 $done->() if $done;
2193 })->prio (1); 2615 })->prio (1);
2194} 2616}
2195 2617
2196=item $player_object->enter_exit ($exit_object) 2618=item $player_object->enter_exit ($exit_object)
2197 2619
2217} 2639}
2218 2640
2219sub prepare_random_map { 2641sub prepare_random_map {
2220 my ($exit) = @_; 2642 my ($exit) = @_;
2221 2643
2222 my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224 # all this does is basically replace the /! path by 2644 # all this does is basically replace the /! path by
2225 # a new random map path (?random/...) with a seed 2645 # a new random map path (?random/...) with a seed
2226 # that depends on the exit object 2646 # that depends on the exit object
2227 2647
2228 my $rmp = parse_random_map_params $exit->msg; 2648 my $rmp = parse_random_map_params $exit->msg;
2230 if ($exit->map) { 2650 if ($exit->map) {
2231 $rmp->{region} = $exit->region->name; 2651 $rmp->{region} = $exit->region->name;
2232 $rmp->{origin_map} = $exit->map->path; 2652 $rmp->{origin_map} = $exit->map->path;
2233 $rmp->{origin_x} = $exit->x; 2653 $rmp->{origin_x} = $exit->x;
2234 $rmp->{origin_y} = $exit->y; 2654 $rmp->{origin_y} = $exit->y;
2655
2656 $exit->map->touch;
2235 } 2657 }
2236 2658
2237 $rmp->{random_seed} ||= $exit->random_seed; 2659 $rmp->{random_seed} ||= $exit->random_seed;
2238 2660
2239 my $data = cf::to_json $rmp; 2661 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240 my $md5 = Digest::MD5::md5_hex $data; 2662 my $md5 = Digest::MD5::md5_hex $data;
2241 my $meta = "$RANDOMDIR/$md5.meta"; 2663 my $meta = "$RANDOMDIR/$md5.meta";
2242 2664
2243 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2665 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244 aio_write $fh, 0, (length $data), $data, 0; 2666 aio_write $fh, 0, (length $data), $data, 0;
2245 undef $fh; 2667 undef $fh;
2246 aio_rename "$meta~", $meta; 2668 aio_rename "$meta~", $meta;
2247 2669
2670 my $slaying = "?random/$md5";
2671
2672 if ($exit->valid) {
2248 $exit->slaying ("?random/$md5"); 2673 $exit->slaying ("?random/$md5");
2249 $exit->msg (undef); 2674 $exit->msg (undef);
2675 }
2250 } 2676 }
2251} 2677}
2252 2678
2253sub cf::object::player::enter_exit { 2679sub cf::object::player::enter_exit {
2254 my ($self, $exit) = @_; 2680 my ($self, $exit) = @_;
2255 2681
2256 return unless $self->type == cf::PLAYER; 2682 return unless $self->type == cf::PLAYER;
2257 2683
2258 if ($exit->slaying eq "/!") {
2259 #TODO: this should de-fi-ni-te-ly not be a sync-job
2260 # the problem is that $exit might not survive long enough
2261 # so it needs to be done right now, right here
2262 cf::sync_job { prepare_random_map $exit };
2263 }
2264
2265 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266 my $hp = $exit->stats->hp;
2267 my $sp = $exit->stats->sp;
2268
2269 $self->enter_link; 2684 $self->enter_link;
2270 2685
2271 (async { 2686 (async {
2272 $self->deactivate_recursive; # just to be sure 2687 $Coro::current->{desc} = "enter_exit";
2688
2273 unless (eval { 2689 unless (eval {
2690 $self->deactivate_recursive; # just to be sure
2691
2692 # random map handling
2693 {
2694 my $guard = cf::lock_acquire "exit_prepare:$exit";
2695
2696 prepare_random_map $exit
2697 if $exit->slaying eq "/!";
2698 }
2699
2700 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2701 my $x = $exit->stats->hp;
2702 my $y = $exit->stats->sp;
2703
2274 $self->goto ($slaying, $hp, $sp); 2704 $self->goto ($map, $x, $y);
2275 2705
2706 # if exit is damned, update players death & WoR home-position
2707 $self->contr->savebed ($map, $x, $y)
2708 if $exit->flag (cf::FLAG_DAMNED);
2709
2276 1; 2710 1
2277 }) { 2711 }) {
2278 $self->message ("Something went wrong deep within the crossfire server. " 2712 $self->message ("Something went wrong deep within the deliantra server. "
2279 . "I'll try to bring you back to the map you were before. " 2713 . "I'll try to bring you back to the map you were before. "
2280 . "Please report this to the dungeon master!", 2714 . "Please report this to the dungeon master!",
2281 cf::NDI_UNIQUE | cf::NDI_RED); 2715 cf::NDI_UNIQUE | cf::NDI_RED);
2282 2716
2283 warn "ERROR in enter_exit: $@"; 2717 warn "ERROR in enter_exit: $@";
2302 2736
2303 utf8::encode $text; 2737 utf8::encode $text;
2304 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2738 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305} 2739}
2306 2740
2741=item $client->send_msg ($channel, $msg, $color, [extra...])
2742
2743Send a drawinfo or msg packet to the client, formatting the msg for the
2744client if neccessary. C<$type> should be a string identifying the type of
2745the message, with C<log> being the default. If C<$color> is negative, suppress
2746the message unless the client supports the msg packet.
2747
2748=cut
2749
2750# non-persistent channels (usually the info channel)
2751our %CHANNEL = (
2752 "c/identify" => {
2753 id => "infobox",
2754 title => "Identify",
2755 reply => undef,
2756 tooltip => "Items recently identified",
2757 },
2758 "c/examine" => {
2759 id => "infobox",
2760 title => "Examine",
2761 reply => undef,
2762 tooltip => "Signs and other items you examined",
2763 },
2764 "c/book" => {
2765 id => "infobox",
2766 title => "Book",
2767 reply => undef,
2768 tooltip => "The contents of a note or book",
2769 },
2770 "c/lookat" => {
2771 id => "infobox",
2772 title => "Look",
2773 reply => undef,
2774 tooltip => "What you saw there",
2775 },
2776 "c/who" => {
2777 id => "infobox",
2778 title => "Players",
2779 reply => undef,
2780 tooltip => "Shows players who are currently online",
2781 },
2782 "c/body" => {
2783 id => "infobox",
2784 title => "Body Parts",
2785 reply => undef,
2786 tooltip => "Shows which body parts you posess and are available",
2787 },
2788 "c/statistics" => {
2789 id => "infobox",
2790 title => "Statistics",
2791 reply => undef,
2792 tooltip => "Shows your primary statistics",
2793 },
2794 "c/skills" => {
2795 id => "infobox",
2796 title => "Skills",
2797 reply => undef,
2798 tooltip => "Shows your experience per skill and item power",
2799 },
2800 "c/shopitems" => {
2801 id => "infobox",
2802 title => "Shop Items",
2803 reply => undef,
2804 tooltip => "Shows the items currently for sale in this shop",
2805 },
2806 "c/resistances" => {
2807 id => "infobox",
2808 title => "Resistances",
2809 reply => undef,
2810 tooltip => "Shows your resistances",
2811 },
2812 "c/pets" => {
2813 id => "infobox",
2814 title => "Pets",
2815 reply => undef,
2816 tooltip => "Shows information abotu your pets/a specific pet",
2817 },
2818 "c/perceiveself" => {
2819 id => "infobox",
2820 title => "Perceive Self",
2821 reply => undef,
2822 tooltip => "You gained detailed knowledge about yourself",
2823 },
2824 "c/uptime" => {
2825 id => "infobox",
2826 title => "Uptime",
2827 reply => undef,
2828 tooltip => "How long the server has been running since last restart",
2829 },
2830 "c/mapinfo" => {
2831 id => "infobox",
2832 title => "Map Info",
2833 reply => undef,
2834 tooltip => "Information related to the maps",
2835 },
2836 "c/party" => {
2837 id => "party",
2838 title => "Party",
2839 reply => "gsay ",
2840 tooltip => "Messages and chat related to your party",
2841 },
2842 "c/death" => {
2843 id => "death",
2844 title => "Death",
2845 reply => undef,
2846 tooltip => "Reason for and more info about your most recent death",
2847 },
2848 "c/say" => $SAY_CHANNEL,
2849 "c/chat" => $CHAT_CHANNEL,
2850);
2851
2852sub cf::client::send_msg {
2853 my ($self, $channel, $msg, $color, @extra) = @_;
2854
2855 $msg = $self->pl->expand_cfpod ($msg)
2856 unless $color & cf::NDI_VERBATIM;
2857
2858 $color &= cf::NDI_CLIENT_MASK; # just in case...
2859
2860 # check predefined channels, for the benefit of C
2861 if ($CHANNEL{$channel}) {
2862 $channel = $CHANNEL{$channel};
2863
2864 $self->ext_msg (channel_info => $channel);
2865 $channel = $channel->{id};
2866
2867 } elsif (ref $channel) {
2868 # send meta info to client, if not yet sent
2869 unless (exists $self->{channel}{$channel->{id}}) {
2870 $self->{channel}{$channel->{id}} = $channel;
2871 $self->ext_msg (channel_info => $channel);
2872 }
2873
2874 $channel = $channel->{id};
2875 }
2876
2877 return unless @extra || length $msg;
2878
2879 # default colour, mask it out
2880 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2881 if $color & cf::NDI_DEF;
2882
2883 my $pkt = "msg "
2884 . $self->{json_coder}->encode (
2885 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2886 );
2887
2888 # try lzf for large packets
2889 $pkt = "lzf " . Compress::LZF::compress $pkt
2890 if 1024 <= length $pkt and $self->{can_lzf};
2891
2892 # split very large packets
2893 if (8192 < length $pkt and $self->{can_lzf}) {
2894 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2895 $pkt = "frag";
2896 }
2897
2898 $self->send_packet ($pkt);
2899}
2900
2307=item $client->ext_event ($type, %msg) 2901=item $client->ext_msg ($type, @msg)
2308 2902
2309Sends an exti event to the client. 2903Sends an ext event to the client.
2310 2904
2311=cut 2905=cut
2312 2906
2313sub cf::client::ext_event($$%) { 2907sub cf::client::ext_msg($$@) {
2314 my ($self, $type, %msg) = @_; 2908 my ($self, $type, @msg) = @_;
2315 2909
2910 if ($self->extcmd == 2) {
2911 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2912 } elsif ($self->extcmd == 1) { # TODO: remove
2316 $msg{msgtype} = "event_$type"; 2913 push @msg, msgtype => "event_$type";
2317 $self->send_packet ("ext " . cf::to_json \%msg); 2914 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2915 }
2916}
2917
2918=item $client->ext_reply ($msgid, @msg)
2919
2920Sends an ext reply to the client.
2921
2922=cut
2923
2924sub cf::client::ext_reply($$@) {
2925 my ($self, $id, @msg) = @_;
2926
2927 if ($self->extcmd == 2) {
2928 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2929 } elsif ($self->extcmd == 1) {
2930 #TODO: version 1, remove
2931 unshift @msg, msgtype => "reply", msgid => $id;
2932 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2933 }
2318} 2934}
2319 2935
2320=item $success = $client->query ($flags, "text", \&cb) 2936=item $success = $client->query ($flags, "text", \&cb)
2321 2937
2322Queues a query to the client, calling the given callback with 2938Queues a query to the client, calling the given callback with
2323the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2939the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2940C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325 2941
2326Queries can fail, so check the return code. Or don't, as queries will become 2942Queries can fail, so check the return code. Or don't, as queries will
2327reliable at some point in the future. 2943become reliable at some point in the future.
2328 2944
2329=cut 2945=cut
2330 2946
2331sub cf::client::query { 2947sub cf::client::query {
2332 my ($self, $flags, $text, $cb) = @_; 2948 my ($self, $flags, $text, $cb) = @_;
2340 utf8::encode $text; 2956 utf8::encode $text;
2341 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2957 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342 2958
2343 $self->send_packet ($self->{query_queue}[0][0]) 2959 $self->send_packet ($self->{query_queue}[0][0])
2344 if @{ $self->{query_queue} } == 1; 2960 if @{ $self->{query_queue} } == 1;
2961
2962 1
2345} 2963}
2346 2964
2347cf::client->attach ( 2965cf::client->attach (
2966 on_connect => sub {
2967 my ($ns) = @_;
2968
2969 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2970 },
2348 on_reply => sub { 2971 on_reply => sub {
2349 my ($ns, $msg) = @_; 2972 my ($ns, $msg) = @_;
2350 2973
2351 # this weird shuffling is so that direct followup queries 2974 # this weird shuffling is so that direct followup queries
2352 # get handled first 2975 # get handled first
2364 } else { 2987 } else {
2365 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2988 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366 } 2989 }
2367 } 2990 }
2368 }, 2991 },
2992 on_exticmd => sub {
2993 my ($ns, $buf) = @_;
2994
2995 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2996
2997 if (ref $msg) {
2998 my ($type, $reply, @payload) =
2999 "ARRAY" eq ref $msg
3000 ? @$msg
3001 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3002
3003 my @reply;
3004
3005 if (my $cb = $EXTICMD{$type}) {
3006 @reply = $cb->($ns, @payload);
3007 }
3008
3009 $ns->ext_reply ($reply, @reply)
3010 if $reply;
3011
3012 } else {
3013 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3014 }
3015
3016 cf::override;
3017 },
2369); 3018);
2370 3019
2371=item $client->async (\&cb) 3020=item $client->async (\&cb)
2372 3021
2373Create a new coroutine, running the specified callback. The coroutine will 3022Create a new coroutine, running the specified callback. The coroutine will
2414our $safe = new Safe "safe"; 3063our $safe = new Safe "safe";
2415our $safe_hole = new Safe::Hole; 3064our $safe_hole = new Safe::Hole;
2416 3065
2417$SIG{FPE} = 'IGNORE'; 3066$SIG{FPE} = 'IGNORE';
2418 3067
2419$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3068$safe->permit_only (Opcode::opset qw(
3069 :base_core :base_mem :base_orig :base_math
3070 grepstart grepwhile mapstart mapwhile
3071 sort time
3072));
2420 3073
2421# here we export the classes and methods available to script code 3074# here we export the classes and methods available to script code
2422 3075
2423=pod 3076=pod
2424 3077
2425The following functions and methods are available within a safe environment: 3078The following functions and methods are available within a safe environment:
2426 3079
2427 cf::object contr pay_amount pay_player map 3080 cf::object
3081 contr pay_amount pay_player map x y force_find force_add destroy
3082 insert remove name archname title slaying race decrease split
3083 value
3084
2428 cf::object::player player 3085 cf::object::player
2429 cf::player peaceful 3086 player
2430 cf::map trigger 3087
3088 cf::player
3089 peaceful
3090
3091 cf::map
3092 trigger
2431 3093
2432=cut 3094=cut
2433 3095
2434for ( 3096for (
2435 ["cf::object" => qw(contr pay_amount pay_player map)], 3097 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098 insert remove inv nrof name archname title slaying race
3099 decrease split destroy change_exp value msg lore send_msg)],
2436 ["cf::object::player" => qw(player)], 3100 ["cf::object::player" => qw(player)],
2437 ["cf::player" => qw(peaceful)], 3101 ["cf::player" => qw(peaceful send_msg)],
2438 ["cf::map" => qw(trigger)], 3102 ["cf::map" => qw(trigger)],
2439) { 3103) {
2440 no strict 'refs'; 3104 no strict 'refs';
2441 my ($pkg, @funs) = @$_; 3105 my ($pkg, @funs) = @$_;
2442 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3106 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2459 my ($code, %vars) = @_; 3123 my ($code, %vars) = @_;
2460 3124
2461 my $qcode = $code; 3125 my $qcode = $code;
2462 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3126 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2463 $qcode =~ s/\n/\\n/g; 3127 $qcode =~ s/\n/\\n/g;
3128
3129 %vars = (_dummy => 0) unless %vars;
2464 3130
2465 local $_; 3131 local $_;
2466 local @safe::cf::_safe_eval_args = values %vars; 3132 local @safe::cf::_safe_eval_args = values %vars;
2467 3133
2468 my $eval = 3134 my $eval =
2516# the server's init and main functions 3182# the server's init and main functions
2517 3183
2518sub load_facedata($) { 3184sub load_facedata($) {
2519 my ($path) = @_; 3185 my ($path) = @_;
2520 3186
3187 # HACK to clear player env face cache, we need some signal framework
3188 # for this (global event?)
3189 %ext::player_env::MUSIC_FACE_CACHE = ();
3190
3191 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3192
2521 warn "loading facedata from $path\n"; 3193 warn "loading facedata from $path\n";
2522 3194
2523 my $facedata; 3195 my $facedata;
2524 0 < aio_load $path, $facedata 3196 0 < aio_load $path, $facedata
2525 or die "$path: $!"; 3197 or die "$path: $!";
2527 $facedata = Coro::Storable::thaw $facedata; 3199 $facedata = Coro::Storable::thaw $facedata;
2528 3200
2529 $facedata->{version} == 2 3201 $facedata->{version} == 2
2530 or cf::cleanup "$path: version mismatch, cannot proceed."; 3202 or cf::cleanup "$path: version mismatch, cannot proceed.";
2531 3203
3204 # patch in the exptable
3205 $facedata->{resource}{"res/exp_table"} = {
3206 type => FT_RSRC,
3207 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3208 };
3209 cf::cede_to_tick;
3210
2532 { 3211 {
2533 my $faces = $facedata->{faceinfo}; 3212 my $faces = $facedata->{faceinfo};
2534 3213
2535 while (my ($face, $info) = each %$faces) { 3214 while (my ($face, $info) = each %$faces) {
2536 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3215 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3216
2537 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3217 cf::face::set_visibility $idx, $info->{visibility};
3218 cf::face::set_magicmap $idx, $info->{magicmap};
2538 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3219 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2539 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3220 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2540 Coro::cede; 3221
3222 cf::cede_to_tick;
2541 } 3223 }
2542 3224
2543 while (my ($face, $info) = each %$faces) { 3225 while (my ($face, $info) = each %$faces) {
2544 next unless $info->{smooth}; 3226 next unless $info->{smooth};
3227
2545 my $idx = cf::face::find $face 3228 my $idx = cf::face::find $face
2546 or next; 3229 or next;
3230
2547 if (my $smooth = cf::face::find $info->{smooth}) { 3231 if (my $smooth = cf::face::find $info->{smooth}) {
3232 cf::face::set_smooth $idx, $smooth;
2548 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3233 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549 } else { 3234 } else {
2550 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3235 warn "smooth face '$info->{smooth}' not found for face '$face'";
2551 } 3236 }
2552 Coro::cede; 3237
3238 cf::cede_to_tick;
2553 } 3239 }
2554 } 3240 }
2555 3241
2556 { 3242 {
2557 my $anims = $facedata->{animinfo}; 3243 my $anims = $facedata->{animinfo};
2558 3244
2559 while (my ($anim, $info) = each %$anims) { 3245 while (my ($anim, $info) = each %$anims) {
2560 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3246 cf::anim::set $anim, $info->{frames}, $info->{facings};
2561 Coro::cede; 3247 cf::cede_to_tick;
2562 } 3248 }
2563 3249
2564 cf::anim::invalidate_all; # d'oh 3250 cf::anim::invalidate_all; # d'oh
2565 } 3251 }
2566 3252
3253 {
3254 # TODO: for gcfclient pleasure, we should give resources
3255 # that gcfclient doesn't grok a >10000 face index.
3256 my $res = $facedata->{resource};
3257
3258 while (my ($name, $info) = each %$res) {
3259 if (defined $info->{type}) {
3260 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3261 my $data;
3262
3263 if ($info->{type} & 1) {
3264 # prepend meta info
3265
3266 my $meta = $enc->encode ({
3267 name => $name,
3268 %{ $info->{meta} || {} },
3269 });
3270
3271 $data = pack "(w/a*)*", $meta, $info->{data};
3272 } else {
3273 $data = $info->{data};
3274 }
3275
3276 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3277 cf::face::set_type $idx, $info->{type};
3278 } else {
3279 $RESOURCE{$name} = $info;
3280 }
3281
3282 cf::cede_to_tick;
3283 }
3284 }
3285
3286 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3287
2567 1 3288 1
2568} 3289}
2569 3290
3291cf::global->attach (on_resource_update => sub {
3292 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3293 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3294
3295 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3296 my $sound = $soundconf->{compat}[$_]
3297 or next;
3298
3299 my $face = cf::face::find "sound/$sound->[1]";
3300 cf::sound::set $sound->[0] => $face;
3301 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3302 }
3303
3304 while (my ($k, $v) = each %{$soundconf->{event}}) {
3305 my $face = cf::face::find "sound/$v";
3306 cf::sound::set $k => $face;
3307 }
3308 }
3309});
3310
3311register_exticmd fx_want => sub {
3312 my ($ns, $want) = @_;
3313
3314 while (my ($k, $v) = each %$want) {
3315 $ns->fx_want ($k, $v);
3316 }
3317};
3318
3319sub load_resource_file($) {
3320 my $guard = lock_acquire "load_resource_file";
3321
3322 my $status = load_resource_file_ $_[0];
3323 get_slot 0.1, 100;
3324 cf::arch::commit_load;
3325
3326 $status
3327}
3328
2570sub reload_regions { 3329sub reload_regions {
3330 # HACK to clear player env face cache, we need some signal framework
3331 # for this (global event?)
3332 %ext::player_env::MUSIC_FACE_CACHE = ();
3333
2571 load_resource_file "$MAPDIR/regions" 3334 load_resource_file "$MAPDIR/regions"
2572 or die "unable to load regions file\n"; 3335 or die "unable to load regions file\n";
3336
3337 for (cf::region::list) {
3338 $_->{match} = qr/$_->{match}/
3339 if exists $_->{match};
3340 }
2573} 3341}
2574 3342
2575sub reload_facedata { 3343sub reload_facedata {
2576 load_facedata "$DATADIR/facedata" 3344 load_facedata "$DATADIR/facedata"
2577 or die "unable to load facedata\n"; 3345 or die "unable to load facedata\n";
2588} 3356}
2589 3357
2590sub reload_resources { 3358sub reload_resources {
2591 warn "reloading resource files...\n"; 3359 warn "reloading resource files...\n";
2592 3360
3361 reload_facedata;
3362 reload_archetypes;
2593 reload_regions; 3363 reload_regions;
2594 reload_facedata;
2595 #reload_archetypes;#d#
2596 reload_archetypes;
2597 reload_treasures; 3364 reload_treasures;
2598 3365
2599 warn "finished reloading resource files\n"; 3366 warn "finished reloading resource files\n";
2600} 3367}
2601 3368
2602sub init { 3369sub reload_config {
2603 reload_resources;
2604}
2605
2606sub cfg_load {
2607 open my $fh, "<:utf8", "$CONFDIR/config" 3370 open my $fh, "<:utf8", "$CONFDIR/config"
2608 or return; 3371 or return;
2609 3372
2610 local $/; 3373 local $/;
2611 *CFG = YAML::Syck::Load <$fh>; 3374 *CFG = YAML::Load <$fh>;
2612 3375
2613 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3376 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2614 3377
2615 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3378 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3379 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2622 }; 3385 };
2623 warn $@ if $@; 3386 warn $@ if $@;
2624 } 3387 }
2625} 3388}
2626 3389
3390sub pidfile() {
3391 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3392 or die "$PIDFILE: $!";
3393 flock $fh, &Fcntl::LOCK_EX
3394 or die "$PIDFILE: flock: $!";
3395 $fh
3396}
3397
3398# make sure only one server instance is running at any one time
3399sub atomic {
3400 my $fh = pidfile;
3401
3402 my $pid = <$fh>;
3403 kill 9, $pid if $pid > 0;
3404
3405 seek $fh, 0, 0;
3406 print $fh $$;
3407}
3408
3409sub main_loop {
3410 warn "EV::loop starting\n";
3411 if (1) {
3412 EV::loop;
3413 }
3414 warn "EV::loop returned\n";
3415 goto &main_loop unless $REALLY_UNLOOP;
3416}
3417
2627sub main { 3418sub main {
3419 cf::init_globals; # initialise logging
3420
3421 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3422 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3423 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3424 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3425
3426 cf::init_experience;
3427 cf::init_anim;
3428 cf::init_attackmess;
3429 cf::init_dynamic;
3430
3431 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3432
2628 # we must not ever block the main coroutine 3433 # we must not ever block the main coroutine
2629 local $Coro::idle = sub { 3434 local $Coro::idle = sub {
2630 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3435 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631 (async { 3436 (async {
2632 Event::one_event; 3437 $Coro::current->{desc} = "IDLE BUG HANDLER";
3438 EV::loop EV::LOOP_ONESHOT;
2633 })->prio (Coro::PRIO_MAX); 3439 })->prio (Coro::PRIO_MAX);
2634 }; 3440 };
2635 3441
2636 cfg_load; 3442 evthread_start IO::AIO::poll_fileno;
3443
3444 cf::sync_job {
3445 reload_resources;
3446 reload_config;
2637 db_init; 3447 db_init;
3448
3449 cf::load_settings;
3450 cf::load_materials;
3451 cf::init_uuid;
3452 cf::init_signals;
3453 cf::init_commands;
3454 cf::init_skills;
3455
3456 cf::init_beforeplay;
3457
3458 atomic;
3459
2638 load_extensions; 3460 load_extensions;
2639 3461
2640 $TICK_WATCHER->start; 3462 utime time, time, $RUNTIMEFILE;
2641 Event::loop; 3463
3464 # no (long-running) fork's whatsoever before this point(!)
3465 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3466
3467 (pop @POST_INIT)->(0) while @POST_INIT;
3468 };
3469
3470 main_loop;
2642} 3471}
2643 3472
2644############################################################################# 3473#############################################################################
2645# initialisation and cleanup 3474# initialisation and cleanup
2646 3475
2647# install some emergency cleanup handlers 3476# install some emergency cleanup handlers
2648BEGIN { 3477BEGIN {
3478 our %SIGWATCHER = ();
2649 for my $signal (qw(INT HUP TERM)) { 3479 for my $signal (qw(INT HUP TERM)) {
2650 Event->signal ( 3480 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2651 reentrant => 0,
2652 data => WF_AUTOCANCEL,
2653 signal => $signal,
2654 prio => 0,
2655 cb => sub {
2656 cf::cleanup "SIG$signal"; 3481 cf::cleanup "SIG$signal";
2657 },
2658 ); 3482 };
2659 } 3483 }
2660} 3484}
2661 3485
2662sub write_runtime { 3486sub write_runtime_sync {
2663 my $runtime = "$LOCALDIR/runtime";
2664
2665 # first touch the runtime file to show we are still running: 3487 # first touch the runtime file to show we are still running:
2666 # the fsync below can take a very very long time. 3488 # the fsync below can take a very very long time.
2667 3489
2668 IO::AIO::aio_utime $runtime, undef, undef; 3490 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669 3491
2670 my $guard = cf::lock_acquire "write_runtime"; 3492 my $guard = cf::lock_acquire "write_runtime";
2671 3493
2672 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3494 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2673 or return; 3495 or return;
2674 3496
2675 my $value = $cf::RUNTIME + 90 + 10; 3497 my $value = $cf::RUNTIME + 90 + 10;
2676 # 10 is the runtime save interval, for a monotonic clock 3498 # 10 is the runtime save interval, for a monotonic clock
2677 # 60 allows for the watchdog to kill the server. 3499 # 60 allows for the watchdog to kill the server.
2687 aio_utime $fh, undef, undef; 3509 aio_utime $fh, undef, undef;
2688 3510
2689 close $fh 3511 close $fh
2690 or return; 3512 or return;
2691 3513
2692 aio_rename "$runtime~", $runtime 3514 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693 and return; 3515 and return;
2694 3516
2695 warn "runtime file written.\n"; 3517 warn "runtime file written.\n";
2696 3518
2697 1 3519 1
3520}
3521
3522our $uuid_lock;
3523our $uuid_skip;
3524
3525sub write_uuid_sync($) {
3526 $uuid_skip ||= $_[0];
3527
3528 return if $uuid_lock;
3529 local $uuid_lock = 1;
3530
3531 my $uuid = "$LOCALDIR/uuid";
3532
3533 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3534 or return;
3535
3536 my $value = uuid_seq uuid_cur;
3537
3538 unless ($value) {
3539 warn "cowardly refusing to write zero uuid value!\n";
3540 return;
3541 }
3542
3543 my $value = uuid_str $value + $uuid_skip;
3544 $uuid_skip = 0;
3545
3546 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3547 and return;
3548
3549 # always fsync - this file is important
3550 aio_fsync $fh
3551 and return;
3552
3553 close $fh
3554 or return;
3555
3556 aio_rename "$uuid~", $uuid
3557 and return;
3558
3559 warn "uuid file written ($value).\n";
3560
3561 1
3562
3563}
3564
3565sub write_uuid($$) {
3566 my ($skip, $sync) = @_;
3567
3568 $sync ? write_uuid_sync $skip
3569 : async { write_uuid_sync $skip };
2698} 3570}
2699 3571
2700sub emergency_save() { 3572sub emergency_save() {
2701 my $freeze_guard = cf::freeze_mainloop; 3573 my $freeze_guard = cf::freeze_mainloop;
2702 3574
2703 warn "enter emergency perl save\n"; 3575 warn "emergency_perl_save: enter\n";
2704 3576
2705 cf::sync_job { 3577 cf::sync_job {
3578 # this is a trade-off: we want to be very quick here, so
3579 # save all maps without fsync, and later call a global sync
3580 # (which in turn might be very very slow)
3581 local $USE_FSYNC = 0;
3582
2706 # use a peculiar iteration method to avoid tripping on perl 3583 # use a peculiar iteration method to avoid tripping on perl
2707 # refcount bugs in for. also avoids problems with players 3584 # refcount bugs in for. also avoids problems with players
2708 # and maps saved/destroyed asynchronously. 3585 # and maps saved/destroyed asynchronously.
2709 warn "begin emergency player save\n"; 3586 warn "emergency_perl_save: begin player save\n";
2710 for my $login (keys %cf::PLAYER) { 3587 for my $login (keys %cf::PLAYER) {
2711 my $pl = $cf::PLAYER{$login} or next; 3588 my $pl = $cf::PLAYER{$login} or next;
2712 $pl->valid or next; 3589 $pl->valid or next;
3590 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713 $pl->save; 3591 $pl->save;
2714 } 3592 }
2715 warn "end emergency player save\n"; 3593 warn "emergency_perl_save: end player save\n";
2716 3594
2717 warn "begin emergency map save\n"; 3595 warn "emergency_perl_save: begin map save\n";
2718 for my $path (keys %cf::MAP) { 3596 for my $path (keys %cf::MAP) {
2719 my $map = $cf::MAP{$path} or next; 3597 my $map = $cf::MAP{$path} or next;
2720 $map->valid or next; 3598 $map->valid or next;
2721 $map->save; 3599 $map->save;
2722 } 3600 }
2723 warn "end emergency map save\n"; 3601 warn "emergency_perl_save: end map save\n";
2724 3602
2725 warn "begin emergency database checkpoint\n"; 3603 warn "emergency_perl_save: begin database checkpoint\n";
2726 BDB::db_env_txn_checkpoint $DB_ENV; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2727 warn "end emergency database checkpoint\n"; 3605 warn "emergency_perl_save: end database checkpoint\n";
3606
3607 warn "emergency_perl_save: begin write uuid\n";
3608 write_uuid_sync 1;
3609 warn "emergency_perl_save: end write uuid\n";
2728 }; 3610 };
2729 3611
3612 warn "emergency_perl_save: starting sync()\n";
3613 IO::AIO::aio_sync sub {
3614 warn "emergency_perl_save: finished sync()\n";
3615 };
3616
2730 warn "leave emergency perl save\n"; 3617 warn "emergency_perl_save: leave\n";
2731} 3618}
2732 3619
2733sub post_cleanup { 3620sub post_cleanup {
2734 my ($make_core) = @_; 3621 my ($make_core) = @_;
2735 3622
2736 warn Carp::longmess "post_cleanup backtrace" 3623 warn Carp::longmess "post_cleanup backtrace"
2737 if $make_core; 3624 if $make_core;
3625
3626 my $fh = pidfile;
3627 unlink $PIDFILE if <$fh> == $$;
3628}
3629
3630# a safer delete_package, copied from Symbol
3631sub clear_package($) {
3632 my $pkg = shift;
3633
3634 # expand to full symbol table name if needed
3635 unless ($pkg =~ /^main::.*::$/) {
3636 $pkg = "main$pkg" if $pkg =~ /^::/;
3637 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3638 $pkg .= '::' unless $pkg =~ /::$/;
3639 }
3640
3641 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3642 my $stem_symtab = *{$stem}{HASH};
3643
3644 defined $stem_symtab and exists $stem_symtab->{$leaf}
3645 or return;
3646
3647 # clear all symbols
3648 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3649 for my $name (keys %$leaf_symtab) {
3650 _gv_clear *{"$pkg$name"};
3651# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3652 }
3653 warn "cleared package $pkg\n";#d#
2738} 3654}
2739 3655
2740sub do_reload_perl() { 3656sub do_reload_perl() {
2741 # can/must only be called in main 3657 # can/must only be called in main
2742 if ($Coro::current != $Coro::main) { 3658 if ($Coro::current != $Coro::main) {
2743 warn "can only reload from main coroutine"; 3659 warn "can only reload from main coroutine";
2744 return; 3660 return;
2745 } 3661 }
2746 3662
3663 return if $RELOAD++;
3664
3665 my $t1 = EV::time;
3666
3667 while ($RELOAD) {
2747 warn "reloading..."; 3668 warn "reloading...";
2748 3669
2749 warn "entering sync_job"; 3670 warn "entering sync_job";
2750 3671
2751 cf::sync_job { 3672 cf::sync_job {
2752 cf::write_runtime; # external watchdog should not bark 3673 cf::write_runtime_sync; # external watchdog should not bark
2753 cf::emergency_save; 3674 cf::emergency_save;
2754 cf::write_runtime; # external watchdog should not bark 3675 cf::write_runtime_sync; # external watchdog should not bark
2755 3676
2756 warn "syncing database to disk"; 3677 warn "syncing database to disk";
2757 BDB::db_env_txn_checkpoint $DB_ENV; 3678 BDB::db_env_txn_checkpoint $DB_ENV;
2758 3679
2759 # if anything goes wrong in here, we should simply crash as we already saved 3680 # if anything goes wrong in here, we should simply crash as we already saved
2760 3681
2761 warn "cancelling all WF_AUTOCANCEL watchers";
2762 for (Event::all_watchers) {
2763 $_->cancel if $_->data & WF_AUTOCANCEL;
2764 }
2765
2766 warn "flushing outstanding aio requests"; 3682 warn "flushing outstanding aio requests";
2767 for (;;) {
2768 BDB::flush;
2769 IO::AIO::flush;
2770 Coro::cede;
2771 last unless IO::AIO::nreqs || BDB::nreqs; 3683 while (IO::AIO::nreqs || BDB::nreqs) {
2772 warn "iterate..."; 3684 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2773 }
2774
2775 ++$RELOAD;
2776
2777 warn "cancelling all extension coros";
2778 $_->cancel for values %EXT_CORO;
2779 %EXT_CORO = ();
2780
2781 warn "removing commands";
2782 %COMMAND = ();
2783
2784 warn "removing ext commands";
2785 %EXTCMD = ();
2786
2787 warn "unloading/nuking all extensions";
2788 for my $pkg (@EXTS) {
2789 warn "... unloading $pkg";
2790
2791 if (my $cb = $pkg->can ("unload")) {
2792 eval {
2793 $cb->($pkg);
2794 1
2795 } or warn "$pkg unloaded, but with errors: $@";
2796 } 3685 }
2797 3686
2798 warn "... nuking $pkg"; 3687 warn "cancelling all extension coros";
2799 Symbol::delete_package $pkg; 3688 $_->cancel for values %EXT_CORO;
2800 } 3689 %EXT_CORO = ();
2801 3690
2802 warn "unloading all perl modules loaded from $LIBDIR"; 3691 warn "removing commands";
2803 while (my ($k, $v) = each %INC) { 3692 %COMMAND = ();
2804 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805 3693
3694 warn "removing ext/exti commands";
3695 %EXTCMD = ();
3696 %EXTICMD = ();
3697
3698 warn "unloading/nuking all extensions";
3699 for my $pkg (@EXTS) {
2806 warn "... unloading $k"; 3700 warn "... unloading $pkg";
2807 delete $INC{$k};
2808 3701
2809 $k =~ s/\.pm$//;
2810 $k =~ s/\//::/g;
2811
2812 if (my $cb = $k->can ("unload_module")) { 3702 if (my $cb = $pkg->can ("unload")) {
3703 eval {
2813 $cb->(); 3704 $cb->($pkg);
3705 1
3706 } or warn "$pkg unloaded, but with errors: $@";
3707 }
3708
3709 warn "... clearing $pkg";
3710 clear_package $pkg;
2814 } 3711 }
2815 3712
2816 Symbol::delete_package $k; 3713 warn "unloading all perl modules loaded from $LIBDIR";
3714 while (my ($k, $v) = each %INC) {
3715 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3716
3717 warn "... unloading $k";
3718 delete $INC{$k};
3719
3720 $k =~ s/\.pm$//;
3721 $k =~ s/\//::/g;
3722
3723 if (my $cb = $k->can ("unload_module")) {
3724 $cb->();
3725 }
3726
3727 clear_package $k;
2817 } 3728 }
2818 3729
2819 warn "getting rid of safe::, as good as possible"; 3730 warn "getting rid of safe::, as good as possible";
2820 Symbol::delete_package "safe::$_" 3731 clear_package "safe::$_"
2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3732 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822 3733
2823 warn "unloading cf.pm \"a bit\""; 3734 warn "unloading cf.pm \"a bit\"";
2824 delete $INC{"cf.pm"}; 3735 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"}; 3736 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826 3737
2827 # don't, removes xs symbols, too, 3738 # don't, removes xs symbols, too,
2828 # and global variables created in xs 3739 # and global variables created in xs
2829 #Symbol::delete_package __PACKAGE__; 3740 #clear_package __PACKAGE__;
2830 3741
2831 warn "unload completed, starting to reload now"; 3742 warn "unload completed, starting to reload now";
2832 3743
2833 warn "reloading cf.pm"; 3744 warn "reloading cf.pm";
2834 require cf; 3745 require cf;
2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3746 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836 3747
2837 warn "loading config and database again"; 3748 warn "loading config and database again";
2838 cf::cfg_load; 3749 cf::reload_config;
2839 3750
2840 warn "loading extensions"; 3751 warn "loading extensions";
2841 cf::load_extensions; 3752 cf::load_extensions;
2842 3753
3754 if ($REATTACH_ON_RELOAD) {
2843 warn "reattaching attachments to objects/players"; 3755 warn "reattaching attachments to objects/players";
2844 _global_reattach; # objects, sockets 3756 _global_reattach; # objects, sockets
2845 warn "reattaching attachments to maps"; 3757 warn "reattaching attachments to maps";
2846 reattach $_ for values %MAP; 3758 reattach $_ for values %MAP;
2847 warn "reattaching attachments to players"; 3759 warn "reattaching attachments to players";
2848 reattach $_ for values %PLAYER; 3760 reattach $_ for values %PLAYER;
3761 }
2849 3762
3763 warn "running post_init jobs";
3764 (pop @POST_INIT)->(1) while @POST_INIT;
3765
2850 warn "leaving sync_job"; 3766 warn "leaving sync_job";
2851 3767
2852 1 3768 1
2853 } or do { 3769 } or do {
2854 warn $@; 3770 warn $@;
2855 warn "error while reloading, exiting."; 3771 cf::cleanup "error while reloading, exiting.";
2856 exit 1;
2857 }; 3772 };
2858 3773
2859 warn "reloaded"; 3774 warn "reloaded";
3775 --$RELOAD;
3776 }
3777
3778 $t1 = EV::time - $t1;
3779 warn "reload completed in ${t1}s\n";
2860}; 3780};
2861 3781
2862our $RELOAD_WATCHER; # used only during reload 3782our $RELOAD_WATCHER; # used only during reload
2863 3783
2864sub reload_perl() { 3784sub reload_perl() {
2865 # doing reload synchronously and two reloads happen back-to-back, 3785 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here. 3786 # coro crashes during coro_state_free->destroy here.
2867 3787
2868 $RELOAD_WATCHER ||= Event->timer ( 3788 $RELOAD_WATCHER ||= cf::async {
2869 reentrant => 0, 3789 Coro::AIO::aio_wait cache_extensions;
2870 after => 0, 3790
2871 data => WF_AUTOCANCEL, 3791 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2872 cb => sub {
2873 do_reload_perl; 3792 do_reload_perl;
2874 undef $RELOAD_WATCHER; 3793 undef $RELOAD_WATCHER;
2875 }, 3794 };
2876 ); 3795 };
2877} 3796}
2878 3797
2879register_command "reload" => sub { 3798register_command "reload" => sub {
2880 my ($who, $arg) = @_; 3799 my ($who, $arg) = @_;
2881 3800
2882 if ($who->flag (FLAG_WIZ)) { 3801 if ($who->flag (FLAG_WIZ)) {
2883 $who->message ("reloading server."); 3802 $who->message ("reloading server.");
3803 async {
3804 $Coro::current->{desc} = "perl_reload";
2884 async { reload_perl }; 3805 reload_perl;
3806 };
2885 } 3807 }
2886}; 3808};
2887 3809
2888unshift @INC, $LIBDIR; 3810unshift @INC, $LIBDIR;
2889 3811
2891 3813
2892our @WAIT_FOR_TICK; 3814our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN; 3815our @WAIT_FOR_TICK_BEGIN;
2894 3816
2895sub wait_for_tick { 3817sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main; 3818 return if tick_inhibit || $Coro::current == $Coro::main;
2898 3819
2899 my $signal = new Coro::Signal; 3820 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal; 3821 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait; 3822 $signal->wait;
2902} 3823}
2903 3824
2904sub wait_for_tick_begin { 3825sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main; 3826 return if tick_inhibit || $Coro::current == $Coro::main;
2907 3827
2908 my $signal = new Coro::Signal; 3828 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal; 3829 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait; 3830 $signal->wait;
2911} 3831}
2912 3832
2913 my $min = 1e6;#d# 3833sub tick {
2914 my $avg = 10;
2915$TICK_WATCHER = Event->timer (
2916 reentrant => 0,
2917 parked => 1,
2918 prio => 0,
2919 at => $NEXT_TICK || $TICK,
2920 data => WF_AUTOCANCEL,
2921 cb => sub {
2922 if ($Coro::current != $Coro::main) { 3834 if ($Coro::current != $Coro::main) {
2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3835 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924 unless ++$bug_warning > 10; 3836 unless ++$bug_warning > 10;
2925 return; 3837 return;
2926 } 3838 }
2927 3839
2928 $NOW = $tick_start = Event::time;
2929
2930 cf::server_tick; # one server iteration 3840 cf::server_tick; # one server iteration
2931 3841
2932 0 && sync_job {#d# 3842 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933 for(1..10) { 3843 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934 my $t = Event::time; 3844 Coro::async_pool {
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3845 $Coro::current->{desc} = "runtime saver";
2936 or die; 3846 write_runtime_sync
2937 3847 or warn "ERROR: unable to write runtime file: $!";
2938 $map->width (50);
2939 $map->height (50);
2940 $map->alloc;
2941 $map->_load_objects ("/tmp/x.map", 1);
2942 my $t = Event::time - $t;
2943
2944 #next unless $t < 0.0013;#d#
2945 if ($t < $min) {
2946 $min = $t;
2947 }
2948 $avg = $avg * 0.99 + $t * 0.01;
2949 }
2950 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951 exit 0;
2952 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953 }; 3848 };
3849 }
2954 3850
2955 $RUNTIME += $TICK;
2956 $NEXT_TICK += $TICK;
2957
2958 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959 $NEXT_RUNTIME_WRITE = $NOW + 10;
2960 Coro::async_pool {
2961 write_runtime
2962 or warn "ERROR: unable to write runtime file: $!";
2963 };
2964 }
2965
2966# my $AFTER = Event::time;
2967# warn $AFTER - $NOW;#d#
2968
2969 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send; 3852 $sig->send;
2971 } 3853 }
2972 while (my $sig = shift @WAIT_FOR_TICK) { 3854 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send; 3855 $sig->send;
2974 } 3856 }
2975 3857
2976 $NOW = Event::time; 3858 $LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978 # if we are delayed by four ticks or more, skip them all
2979 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981 $TICK_WATCHER->at ($NEXT_TICK);
2982 $TICK_WATCHER->start;
2983
2984 $LOAD = ($NOW - $tick_start) / $TICK;
2985 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3859 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986 3860
2987 _post_tick; 3861 if (0) {
2988 3862 if ($NEXT_TICK) {
2989 3863 my $jitter = $TICK_START - $NEXT_TICK;
3864 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3865 warn "jitter $JITTER\n";#d#
3866 }
2990 }, 3867 }
2991); 3868}
2992 3869
2993{ 3870{
2994 BDB::max_poll_time $TICK * 0.1; 3871 # configure BDB
2995 $BDB_POLL_WATCHER = Event->io ( 3872
2996 reentrant => 0,
2997 fd => BDB::poll_fileno,
2998 poll => 'r',
2999 prio => 0,
3000 data => WF_AUTOCANCEL,
3001 cb => \&BDB::poll_cb,
3002 );
3003 BDB::min_parallel 8; 3873 BDB::min_parallel 8;
3004 3874 BDB::max_poll_reqs $TICK * 0.1;
3005 BDB::set_sync_prepare { 3875 $AnyEvent::BDB::WATCHER->priority (1);
3006 my $status;
3007 my $current = $Coro::current;
3008 (
3009 sub {
3010 $status = $!;
3011 $current->ready; undef $current;
3012 },
3013 sub {
3014 Coro::schedule while defined $current;
3015 $! = $status;
3016 },
3017 )
3018 };
3019 3876
3020 unless ($DB_ENV) { 3877 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create; 3878 $DB_ENV = BDB::db_env_create;
3879 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3880 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3881 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3882 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3883 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022 3884
3023 cf::sync_job { 3885 cf::sync_job {
3024 eval { 3886 eval {
3025 BDB::db_env_open 3887 BDB::db_env_open
3026 $DB_ENV, 3888 $DB_ENV,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3890 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3891 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666; 3892 0666;
3031 3893
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3894 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035 $DB_ENV->set_lk_detect;
3036 }; 3895 };
3037 3896
3038 cf::cleanup "db_env_open(db): $@" if $@; 3897 cf::cleanup "db_env_open(db): $@" if $@;
3039 }; 3898 };
3040 } 3899 }
3900
3901 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3902 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3903 };
3904 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3905 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3906 };
3907 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3908 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3909 };
3041} 3910}
3042 3911
3043{ 3912{
3913 # configure IO::AIO
3914
3044 IO::AIO::min_parallel 8; 3915 IO::AIO::min_parallel 8;
3045
3046 undef $Coro::AIO::WATCHER;
3047 IO::AIO::max_poll_time $TICK * 0.1; 3916 IO::AIO::max_poll_time $TICK * 0.1;
3048 $AIO_POLL_WATCHER = Event->io ( 3917 undef $AnyEvent::AIO::WATCHER;
3049 reentrant => 0,
3050 data => WF_AUTOCANCEL,
3051 fd => IO::AIO::poll_fileno,
3052 poll => 'r',
3053 prio => 6,
3054 cb => \&IO::AIO::poll_cb,
3055 );
3056} 3918}
3057 3919
3058my $_log_backtrace; 3920my $_log_backtrace;
3059 3921
3060sub _log_backtrace { 3922sub _log_backtrace {
3063 $msg =~ s/\n//; 3925 $msg =~ s/\n//;
3064 3926
3065 # limit the # of concurrent backtraces 3927 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) { 3928 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace; 3929 ++$_log_backtrace;
3930 my $perl_bt = Carp::longmess $msg;
3068 async { 3931 async {
3932 $Coro::current->{desc} = "abt $msg";
3933
3069 my @bt = fork_call { 3934 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr; 3935 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3936 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3937 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!"; 3938 or die "addr2line: $!";
3081 } 3946 }
3082 3947
3083 @funcs 3948 @funcs
3084 }; 3949 };
3085 3950
3086 LOG llevInfo, "[ABT] $msg\n"; 3951 LOG llevInfo, "[ABT] $perl_bt\n";
3952 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt; 3953 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace; 3954 --$_log_backtrace;
3089 }; 3955 };
3090 } else { 3956 } else {
3091 LOG llevInfo, "[ABT] $msg\n"; 3957 LOG llevInfo, "[ABT] $msg\n";
3092 LOG llevInfo, "[ABT] [suppressed]\n"; 3958 LOG llevInfo, "[ABT] [suppressed]\n";
3093 } 3959 }
3094} 3960}
3095 3961
3096# load additional modules 3962# load additional modules
3097use cf::pod; 3963require "cf/$_.pm" for @EXTRA_MODULES;
3098 3964
3099END { cf::emergency_save } 3965END { cf::emergency_save }
3100 3966
31011 39671
3102 3968

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