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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.278 by root, Mon Jun 11 21:38:14 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 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 "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
15use Coro 3.61 (); 37use Coro ();
16use Coro::State; 38use Coro::State;
17use Coro::Handle; 39use Coro::Handle;
40use Coro::EV;
18use Coro::Event; 41use Coro::AnyEvent;
19use Coro::Timer; 42use Coro::Timer;
20use Coro::Signal; 43use Coro::Signal;
21use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
22use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
23use Coro::Storable; 48use Coro::Storable;
49use Coro::Util ();
24 50
51use JSON::XS 2.01 ();
25use BDB (); 52use BDB ();
26use Data::Dumper; 53use Data::Dumper;
27use Digest::MD5; 54use Digest::MD5;
28use Fcntl; 55use Fcntl;
29use YAML::Syck (); 56use YAML ();
30use IO::AIO 2.32 (); 57use IO::AIO ();
31use Time::HiRes; 58use Time::HiRes;
32use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
33 63
34# configure various modules to our taste 64# configure various modules to our taste
35# 65#
36$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44 68
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71{
72 # very ugly, but ensure we acquire the storable lock
73
74 sub net_mstore {
75 my $guard = Coro::Storable::guard;
76 &Storable::net_mstore
77 }
78
79 sub mretrieve {
80 my $guard = Coro::Storable::guard;
81 &Storable::mretrieve
82 }
83
84 Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
85 Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
86}
46 87
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 88sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 89
49our %COMMAND = (); 90our %COMMAND = ();
50our %COMMAND_TIME = (); 91our %COMMAND_TIME = ();
51 92
52our @EXTS = (); # list of extension package names 93our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 94our %EXTCMD = ();
95our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 96our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 97our %EXT_MAP = (); # pluggable maps
56 98
57our $RELOAD; # number of reloads so far 99our $RELOAD; # number of reloads so far
58our @EVENT; 100our @EVENT;
59 101
60our $CONFDIR = confdir; 102our $CONFDIR = confdir;
61our $DATADIR = datadir; 103our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 104our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 105our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 106our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 107our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 108our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 109our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 110our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 111our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 112our $BDBDIR = "$LOCALDIR/db";
113our $PIDFILE = "$LOCALDIR/pid";
114our $RUNTIMEFILE = "$LOCALDIR/runtime";
115
116our %RESOURCE;
71 117
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 118our $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 119our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 120our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 121our $USE_FSYNC = 1; # use fsync to write maps - default off
79 122
123our $BDB_DEADLOCK_WATCHER;
124our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 125our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 126our $DB_ENV;
82 127
83our %CFG; 128our %CFG;
84 129
85our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 131our $RUNTIME;
132our $NOW;
87 133
88our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 136our $LINK_MAP; # the special {link} map, which is always available
91 137
92# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 140
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 144our $TICK_START; # for load detecting purposes
98 145
99binmode STDOUT; 146binmode STDOUT;
100binmode STDERR; 147binmode STDERR;
101 148
102# read virtual server time, if available 149# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 150unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 151 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 152 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 153 $RUNTIME = <$fh> + 0.;
107} 154}
108 155
109mkdir $_ 156mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 157 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
155 202
156The raw value load value from the last tick. 203The raw value load value from the last tick.
157 204
158=item %cf::CFG 205=item %cf::CFG
159 206
160Configuration for the server, loaded from C</etc/crossfire/config>, or 207Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 208from wherever your confdir points to.
162 209
163=item cf::wait_for_tick, cf::wait_for_tick_begin 210=item cf::wait_for_tick, cf::wait_for_tick_begin
164 211
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 212These 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 213returns 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. 214per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 215
216=item @cf::INVOKE_RESULTS
217
218This array contains the results of the last C<invoke ()> call. When
219C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
220that call.
221
169=back 222=back
170 223
171=cut 224=cut
172 225
173BEGIN { 226BEGIN {
177 $msg .= "\n" 230 $msg .= "\n"
178 unless $msg =~ /\n$/; 231 unless $msg =~ /\n$/;
179 232
180 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 233 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181 234
182 utf8::encode $msg;
183 LOG llevError, $msg; 235 LOG llevError, $msg;
184 }; 236 };
185} 237}
238
239$Coro::State::DIEHOOK = sub {
240 return unless $^S eq 0; # "eq", not "=="
241
242 if ($Coro::current == $Coro::main) {#d#
243 warn "DIEHOOK called in main context, Coro bug?\n";#d#
244 return;#d#
245 }#d#
246
247 # kill coroutine otherwise
248 warn Carp::longmess $_[0];
249 Coro::terminate
250};
251
252$SIG{__DIE__} = sub { }; #d#?
186 253
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 254@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 255@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 256@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 257@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 264for my $pkg (qw(
198 cf::global cf::attachable 265 cf::global cf::attachable
199 cf::object cf::object::player 266 cf::object cf::object::player
200 cf::client cf::player 267 cf::client cf::player
201 cf::arch cf::living 268 cf::arch cf::living
269 cf::map cf::mapspace
202 cf::map cf::party cf::region 270 cf::party cf::region
203)) { 271)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 272 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 273}
207 274
208$Event::DIED = sub { 275$EV::DIED = sub {
209 warn "error in event callback: @_"; 276 warn "error in event callback: @_";
210}; 277};
278
279#############################################################################
211 280
212=head2 UTILITY FUNCTIONS 281=head2 UTILITY FUNCTIONS
213 282
214=over 4 283=over 4
215 284
234 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 303 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235 $d 304 $d
236 } || "[unable to dump $_[0]: '$@']"; 305 } || "[unable to dump $_[0]: '$@']";
237} 306}
238 307
239use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
240
241=item $ref = cf::from_json $json 308=item $ref = cf::decode_json $json
242 309
243Converts a JSON string into the corresponding perl data structure. 310Converts a JSON string into the corresponding perl data structure.
244 311
245=item $json = cf::to_json $ref 312=item $json = cf::encode_json $ref
246 313
247Converts a perl data structure into its JSON representation. 314Converts a perl data structure into its JSON representation.
315
316=cut
317
318our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
319
320sub encode_json($) { $json_coder->encode ($_[0]) }
321sub decode_json($) { $json_coder->decode ($_[0]) }
248 322
249=item cf::lock_wait $string 323=item cf::lock_wait $string
250 324
251Wait until the given lock is available. See cf::lock_acquire. 325Wait until the given lock is available. See cf::lock_acquire.
252 326
255Wait until the given lock is available and then acquires it and returns 329Wait until the given lock is available and then acquires it and returns
256a Coro::guard object. If the guard object gets destroyed (goes out of scope, 330a Coro::guard object. If the guard object gets destroyed (goes out of scope,
257for example when the coroutine gets canceled), the lock is automatically 331for example when the coroutine gets canceled), the lock is automatically
258returned. 332returned.
259 333
334Locks are *not* recursive, locking from the same coro twice results in a
335deadlocked coro.
336
260Lock names should begin with a unique identifier (for example, cf::map::find 337Lock names should begin with a unique identifier (for example, cf::map::find
261uses map_find and cf::map::load uses map_load). 338uses map_find and cf::map::load uses map_load).
262 339
263=item $locked = cf::lock_active $string 340=item $locked = cf::lock_active $string
264 341
265Return true if the lock is currently active, i.e. somebody has locked it. 342Return true if the lock is currently active, i.e. somebody has locked it.
266 343
267=cut 344=cut
268 345
269our %LOCK; 346our %LOCK;
347our %LOCKER;#d#
270 348
271sub lock_wait($) { 349sub lock_wait($) {
272 my ($key) = @_; 350 my ($key) = @_;
351
352 if ($LOCKER{$key} == $Coro::current) {#d#
353 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
354 return;#d#
355 }#d#
273 356
274 # wait for lock, if any 357 # wait for lock, if any
275 while ($LOCK{$key}) { 358 while ($LOCK{$key}) {
276 push @{ $LOCK{$key} }, $Coro::current; 359 push @{ $LOCK{$key} }, $Coro::current;
277 Coro::schedule; 360 Coro::schedule;
283 366
284 # wait, to be sure we are not locked 367 # wait, to be sure we are not locked
285 lock_wait $key; 368 lock_wait $key;
286 369
287 $LOCK{$key} = []; 370 $LOCK{$key} = [];
371 $LOCKER{$key} = $Coro::current;#d#
288 372
289 Coro::guard { 373 Coro::guard {
374 delete $LOCKER{$key};#d#
290 # wake up all waiters, to be on the safe side 375 # wake up all waiters, to be on the safe side
291 $_->ready for @{ delete $LOCK{$key} }; 376 $_->ready for @{ delete $LOCK{$key} };
292 } 377 }
293} 378}
294 379
297 382
298 ! ! $LOCK{$key} 383 ! ! $LOCK{$key}
299} 384}
300 385
301sub freeze_mainloop { 386sub freeze_mainloop {
302 return unless $TICK_WATCHER->is_active; 387 tick_inhibit_inc;
303 388
304 my $guard = Coro::guard { 389 Coro::guard \&tick_inhibit_dec;
305 $TICK_WATCHER->start; 390}
391
392=item cf::periodic $interval, $cb
393
394Like EV::periodic, but randomly selects a starting point so that the actions
395get spread over timer.
396
397=cut
398
399sub periodic($$) {
400 my ($interval, $cb) = @_;
401
402 my $start = rand List::Util::min 180, $interval;
403
404 EV::periodic $start, $interval, 0, $cb
405}
406
407=item cf::get_slot $time[, $priority[, $name]]
408
409Allocate $time seconds of blocking CPU time at priority C<$priority>:
410This call blocks and returns only when you have at least C<$time> seconds
411of cpu time till the next tick. The slot is only valid till the next cede.
412
413The optional C<$name> can be used to identify the job to run. It might be
414used for statistical purposes and should identify the same time-class.
415
416Useful for short background jobs.
417
418=cut
419
420our @SLOT_QUEUE;
421our $SLOT_QUEUE;
422
423$SLOT_QUEUE->cancel if $SLOT_QUEUE;
424$SLOT_QUEUE = Coro::async {
425 $Coro::current->desc ("timeslot manager");
426
427 my $signal = new Coro::Signal;
428
429 while () {
430 next_job:
431 my $avail = cf::till_tick;
432 if ($avail > 0.01) {
433 for (0 .. $#SLOT_QUEUE) {
434 if ($SLOT_QUEUE[$_][0] < $avail) {
435 my $job = splice @SLOT_QUEUE, $_, 1, ();
436 $job->[2]->send;
437 Coro::cede;
438 goto next_job;
439 }
440 }
441 }
442
443 if (@SLOT_QUEUE) {
444 # we do not use wait_for_tick() as it returns immediately when tick is inactive
445 push @cf::WAIT_FOR_TICK, $signal;
446 $signal->wait;
447 } else {
448 Coro::schedule;
449 }
306 }; 450 }
307 $TICK_WATCHER->stop; 451};
308 $guard 452
453sub get_slot($;$$) {
454 return if tick_inhibit || $Coro::current == $Coro::main;
455
456 my ($time, $pri, $name) = @_;
457
458 $time = $TICK * .6 if $time > $TICK * .6;
459 my $sig = new Coro::Signal;
460
461 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
462 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
463 $SLOT_QUEUE->ready;
464 $sig->wait;
309} 465}
310 466
311=item cf::async { BLOCK } 467=item cf::async { BLOCK }
312 468
313Currently the same as Coro::async_pool, meaning you cannot use 469Currently the same as Coro::async_pool, meaning you cannot use
318 474
319BEGIN { *async = \&Coro::async_pool } 475BEGIN { *async = \&Coro::async_pool }
320 476
321=item cf::sync_job { BLOCK } 477=item cf::sync_job { BLOCK }
322 478
323The design of crossfire+ requires that the main coro ($Coro::main) is 479The design of Deliantra requires that the main coroutine ($Coro::main)
324always able to handle events or runnable, as crossfire+ is only partly 480is always able to handle events or runnable, as Deliantra is only
325reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 481partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
482acceptable.
326 483
327If it must be done, put the blocking parts into C<sync_job>. This will run 484If it must be done, put the blocking parts into C<sync_job>. This will run
328the given BLOCK in another coroutine while waiting for the result. The 485the given BLOCK in another coroutine while waiting for the result. The
329server will be frozen during this time, so the block should either finish 486server will be frozen during this time, so the block should either finish
330fast or be very important. 487fast or be very important.
333 490
334sub sync_job(&) { 491sub sync_job(&) {
335 my ($job) = @_; 492 my ($job) = @_;
336 493
337 if ($Coro::current == $Coro::main) { 494 if ($Coro::current == $Coro::main) {
338 my $time = Event::time; 495 my $time = EV::time;
339 496
340 # this is the main coro, too bad, we have to block 497 # this is the main coro, too bad, we have to block
341 # till the operation succeeds, freezing the server :/ 498 # till the operation succeeds, freezing the server :/
342 499
343 # TODO: use suspend/resume instead 500 LOG llevError, Carp::longmess "sync job";#d#
344 # (but this is cancel-safe) 501
345 my $freeze_guard = freeze_mainloop; 502 my $freeze_guard = freeze_mainloop;
346 503
347 my $busy = 1; 504 my $busy = 1;
348 my @res; 505 my @res;
349 506
350 (async { 507 (async {
508 $Coro::current->desc ("sync job coro");
351 @res = eval { $job->() }; 509 @res = eval { $job->() };
352 warn $@ if $@; 510 warn $@ if $@;
353 undef $busy; 511 undef $busy;
354 })->prio (Coro::PRIO_MAX); 512 })->prio (Coro::PRIO_MAX);
355 513
356 while ($busy) { 514 while ($busy) {
357 Coro::cede or Event::one_event; 515 if (Coro::nready) {
516 Coro::cede_notself;
517 } else {
518 EV::loop EV::LOOP_ONESHOT;
358 } 519 }
520 }
359 521
360 $time = Event::time - $time; 522 my $time = EV::time - $time;
361 523
362 LOG llevError | logBacktrace, Carp::longmess "long sync job"
363 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365 $tick_start += $time; # do not account sync jobs to server load 524 $TICK_START += $time; # do not account sync jobs to server load
366 525
367 wantarray ? @res : $res[0] 526 wantarray ? @res : $res[0]
368 } else { 527 } else {
369 # we are in another coroutine, how wonderful, everything just works 528 # we are in another coroutine, how wonderful, everything just works
370 529
390 $EXT_CORO{$coro+0} = $coro; 549 $EXT_CORO{$coro+0} = $coro;
391 550
392 $coro 551 $coro
393} 552}
394 553
395sub write_runtime { 554=item fork_call { }, $args
396 my $runtime = "$LOCALDIR/runtime";
397 555
398 # first touch the runtime file to show we are still running: 556Executes the given code block with the given arguments in a seperate
399 # the fsync below can take a very very long time. 557process, returning the results. Everything must be serialisable with
558Coro::Storable. May, of course, block. Note that the executed sub may
559never block itself or use any form of event handling.
400 560
401 IO::AIO::aio_utime $runtime, undef, undef; 561=cut
402 562
403 my $guard = cf::lock_acquire "write_runtime"; 563sub fork_call(&@) {
564 my ($cb, @args) = @_;
404 565
405 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 566 # we seemingly have to make a local copy of the whole thing,
406 or return; 567 # otherwise perl prematurely frees the stuff :/
568 # TODO: investigate and fix (likely this will be rather laborious)
407 569
408 my $value = $cf::RUNTIME + 90 + 10; 570 my @res = Coro::Util::fork_eval {
409 # 10 is the runtime save interval, for a monotonic clock 571 reset_signals;
410 # 60 allows for the watchdog to kill the server. 572 &$cb
573 }, @args;
411 574
412 (aio_write $fh, 0, (length $value), $value, 0) <= 0 575 wantarray ? @res : $res[-1]
413 and return; 576}
414 577
415 # always fsync - this file is important 578=item $coin = coin_from_name $name
416 aio_fsync $fh
417 and return;
418 579
419 # touch it again to show we are up-to-date 580=cut
420 aio_utime $fh, undef, undef;
421 581
422 close $fh 582our %coin_alias = (
423 or return; 583 "silver" => "silvercoin",
584 "silvercoin" => "silvercoin",
585 "silvercoins" => "silvercoin",
586 "gold" => "goldcoin",
587 "goldcoin" => "goldcoin",
588 "goldcoins" => "goldcoin",
589 "platinum" => "platinacoin",
590 "platinumcoin" => "platinacoin",
591 "platinumcoins" => "platinacoin",
592 "platina" => "platinacoin",
593 "platinacoin" => "platinacoin",
594 "platinacoins" => "platinacoin",
595 "royalty" => "royalty",
596 "royalties" => "royalty",
597);
424 598
425 aio_rename "$runtime~", $runtime 599sub coin_from_name($) {
426 and return; 600 $coin_alias{$_[0]}
601 ? cf::arch::find $coin_alias{$_[0]}
602 : undef
603}
427 604
428 warn "runtime file written.\n"; 605=item $value = cf::db_get $family => $key
429 606
607Returns a single value from the environment database.
608
609=item cf::db_put $family => $key => $value
610
611Stores the given C<$value> in the family. It can currently store binary
612data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
613
614=item $db = cf::db_table "name"
615
616Create and/or open a new database table. The string must not be "db" and must be unique
617within each server.
618
619=cut
620
621sub db_table($) {
622 my ($name) = @_;
623 my $db = BDB::db_create $DB_ENV;
624
625 eval {
626 $db->set_flags (BDB::CHKSUM);
627
628 utf8::encode $name;
629 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
630 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
631 cf::cleanup "db_open(db): $!" if $!;
632 };
633 cf::cleanup "db_open(db): $@" if $@;
634
635 $db
636}
637
638our $DB;
639
640sub db_init {
641 cf::sync_job {
642 $DB ||= db_table "db";
643 };
644}
645
646sub db_get($$) {
647 my $key = "$_[0]/$_[1]";
648
649 cf::sync_job {
650 BDB::db_get $DB, undef, $key, my $data;
651
652 $! ? ()
653 : $data
430 1 654 }
655}
656
657sub db_put($$$) {
658 BDB::dbreq_pri 4;
659 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
660}
661
662=item cf::cache $id => [$paths...], $processversion => $process
663
664Generic caching function that returns the value of the resource $id,
665caching and regenerating as required.
666
667This function can block.
668
669=cut
670
671sub cache {
672 my ($id, $src, $processversion, $process) = @_;
673
674 my $meta =
675 join "\x00",
676 $processversion,
677 map {
678 aio_stat $_
679 and Carp::croak "$_: $!";
680
681 ($_, (stat _)[7,9])
682 } @$src;
683
684 my $dbmeta = db_get cache => "$id/meta";
685 if ($dbmeta ne $meta) {
686 # changed, we may need to process
687
688 my @data;
689 my $md5;
690
691 for (0 .. $#$src) {
692 0 <= aio_load $src->[$_], $data[$_]
693 or Carp::croak "$src->[$_]: $!";
694 }
695
696 # if processing is expensive, check
697 # checksum first
698 if (1) {
699 $md5 =
700 join "\x00",
701 $processversion,
702 map {
703 cf::cede_to_tick;
704 ($src->[$_], Digest::MD5::md5_hex $data[$_])
705 } 0.. $#$src;
706
707
708 my $dbmd5 = db_get cache => "$id/md5";
709 if ($dbmd5 eq $md5) {
710 db_put cache => "$id/meta", $meta;
711
712 return db_get cache => "$id/data";
713 }
714 }
715
716 my $t1 = Time::HiRes::time;
717 my $data = $process->(\@data);
718 my $t2 = Time::HiRes::time;
719
720 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
721
722 db_put cache => "$id/data", $data;
723 db_put cache => "$id/md5" , $md5;
724 db_put cache => "$id/meta", $meta;
725
726 return $data;
727 }
728
729 db_get cache => "$id/data"
431} 730}
432 731
433=item cf::datalog type => key => value, ... 732=item cf::datalog type => key => value, ...
434 733
435Log a datalog packet of the given type with the given key-value pairs. 734Log a datalog packet of the given type with the given key-value pairs.
447 746
448############################################################################# 747#############################################################################
449 748
450=head2 ATTACHABLE OBJECTS 749=head2 ATTACHABLE OBJECTS
451 750
452Many objects in crossfire are so-called attachable objects. That means you can 751Many objects in deliantra are so-called attachable objects. That means you can
453attach callbacks/event handlers (a collection of which is called an "attachment") 752attach callbacks/event handlers (a collection of which is called an "attachment")
454to it. All such attachable objects support the following methods. 753to it. All such attachable objects support the following methods.
455 754
456In the following description, CLASS can be any of C<global>, C<object> 755In the following description, CLASS can be any of C<global>, C<object>
457C<player>, C<client> or C<map> (i.e. the attachable objects in 756C<player>, C<client> or C<map> (i.e. the attachable objects in
458crossfire+). 757Deliantra).
459 758
460=over 4 759=over 4
461 760
462=item $attachable->attach ($attachment, key => $value...) 761=item $attachable->attach ($attachment, key => $value...)
463 762
507=item cf::CLASS::attachment $name, ... 806=item cf::CLASS::attachment $name, ...
508 807
509Register an attachment by C<$name> through which attachable objects of the 808Register an attachment by C<$name> through which attachable objects of the
510given CLASS can refer to this attachment. 809given CLASS can refer to this attachment.
511 810
512Some classes such as crossfire maps and objects can specify attachments 811Some classes such as deliantra maps and objects can specify attachments
513that are attached at load/instantiate time, thus the need for a name. 812that are attached at load/instantiate time, thus the need for a name.
514 813
515These calls expect any number of the following handler/hook descriptions: 814These calls expect any number of the following handler/hook descriptions:
516 815
517=over 4 816=over 4
665 _attach $registry, $klass, @attach; 964 _attach $registry, $klass, @attach;
666 } 965 }
667 966
668 $obj->{$name} = \%arg; 967 $obj->{$name} = \%arg;
669 } else { 968 } else {
670 warn "object uses attachment '$name' that is not available, postponing.\n"; 969 warn "object uses attachment '$name' which is not available, postponing.\n";
671 } 970 }
672 971
673 $obj->{_attachment}{$name} = undef; 972 $obj->{_attachment}{$name} = undef;
674} 973}
675 974
715 "; 1014 ";
716 die if $@; 1015 die if $@;
717} 1016}
718 1017
719our $override; 1018our $override;
720our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1019our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721 1020
722sub override { 1021sub override {
723 $override = 1; 1022 $override = 1;
724 @invoke_results = (); 1023 @INVOKE_RESULTS = (@_);
725} 1024}
726 1025
727sub do_invoke { 1026sub do_invoke {
728 my $event = shift; 1027 my $event = shift;
729 my $callbacks = shift; 1028 my $callbacks = shift;
730 1029
731 @invoke_results = (); 1030 @INVOKE_RESULTS = ();
732 1031
733 local $override; 1032 local $override;
734 1033
735 for (@$callbacks) { 1034 for (@$callbacks) {
736 eval { &{$_->[1]} }; 1035 eval { &{$_->[1]} };
745 } 1044 }
746 1045
747 0 1046 0
748} 1047}
749 1048
750=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1049=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751 1050
752=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753 1052
754Generate an object-specific event with the given arguments. 1053Generate an object-specific event with the given arguments.
755 1054
756This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1055This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757removed in future versions), and there is no public API to access override 1056removed in future versions), and there is no public API to access override
758results (if you must, access C<@cf::invoke_results> directly). 1057results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759 1058
760=back 1059=back
761 1060
762=cut 1061=cut
763 1062
764############################################################################# 1063#############################################################################
765# object support 1064# object support
1065
1066sub _object_equal($$);
1067sub _object_equal($$) {
1068 my ($a, $b) = @_;
1069
1070 return 0 unless (ref $a) eq (ref $b);
1071
1072 if ("HASH" eq ref $a) {
1073 my @ka = keys %$a;
1074 my @kb = keys %$b;
1075
1076 return 0 if @ka != @kb;
1077
1078 for (0 .. $#ka) {
1079 return 0 unless $ka[$_] eq $kb[$_];
1080 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1081 }
1082
1083 } elsif ("ARRAY" eq ref $a) {
1084
1085 return 0 if @$a != @$b;
1086
1087 for (0 .. $#$a) {
1088 return 0 unless _object_equal $a->[$_], $b->[$_];
1089 }
1090
1091 } elsif ($a ne $b) {
1092 return 0;
1093 }
1094
1095 1
1096}
1097
1098our $SLOW_MERGES;#d#
1099sub _can_merge {
1100 my ($ob1, $ob2) = @_;
1101
1102 ++$SLOW_MERGES;#d#
1103
1104 # we do the slow way here
1105 return _object_equal $ob1, $ob2
1106}
766 1107
767sub reattach { 1108sub reattach {
768 # basically do the same as instantiate, without calling instantiate 1109 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 1110 my ($obj) = @_;
770 1111
1112 # no longer needed after getting rid of delete_package?
771 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1113 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 1114
773 my $registry = $obj->registry; 1115 my $registry = $obj->registry;
774 1116
775 @$registry = (); 1117 @$registry = ();
776 1118
791cf::attachable->attach ( 1133cf::attachable->attach (
792 prio => -1000000, 1134 prio => -1000000,
793 on_instantiate => sub { 1135 on_instantiate => sub {
794 my ($obj, $data) = @_; 1136 my ($obj, $data) = @_;
795 1137
796 $data = from_json $data; 1138 $data = decode_json $data;
797 1139
798 for (@$data) { 1140 for (@$data) {
799 my ($name, $args) = @$_; 1141 my ($name, $args) = @$_;
800 1142
801 $obj->attach ($name, %{$args || {} }); 1143 $obj->attach ($name, %{$args || {} });
817sub object_freezer_save { 1159sub object_freezer_save {
818 my ($filename, $rdata, $objs) = @_; 1160 my ($filename, $rdata, $objs) = @_;
819 1161
820 sync_job { 1162 sync_job {
821 if (length $$rdata) { 1163 if (length $$rdata) {
1164 utf8::decode (my $decname = $filename);
822 warn sprintf "saving %s (%d,%d)\n", 1165 warn sprintf "saving %s (%d,%d)\n",
823 $filename, length $$rdata, scalar @$objs; 1166 $decname, length $$rdata, scalar @$objs;
824 1167
825 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1168 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826 chmod SAVE_MODE, $fh; 1169 aio_chmod $fh, SAVE_MODE;
827 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1170 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828 aio_fsync $fh if $cf::USE_FSYNC; 1171 aio_fsync $fh if $cf::USE_FSYNC;
829 close $fh; 1172 aio_close $fh;
830 1173
831 if (@$objs) { 1174 if (@$objs) {
832 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1175 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833 chmod SAVE_MODE, $fh; 1176 aio_chmod $fh, SAVE_MODE;
834 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1177 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835 aio_write $fh, 0, (length $data), $data, 0; 1178 aio_write $fh, 0, (length $data), $data, 0;
836 aio_fsync $fh if $cf::USE_FSYNC; 1179 aio_fsync $fh if $cf::USE_FSYNC;
837 close $fh; 1180 aio_close $fh;
838 aio_rename "$filename.pst~", "$filename.pst"; 1181 aio_rename "$filename.pst~", "$filename.pst";
839 } 1182 }
840 } else { 1183 } else {
841 aio_unlink "$filename.pst"; 1184 aio_unlink "$filename.pst";
842 } 1185 }
847 } 1190 }
848 } else { 1191 } else {
849 aio_unlink $filename; 1192 aio_unlink $filename;
850 aio_unlink "$filename.pst"; 1193 aio_unlink "$filename.pst";
851 } 1194 }
852 } 1195 };
853} 1196}
854 1197
855sub object_freezer_as_string { 1198sub object_freezer_as_string {
856 my ($rdata, $objs) = @_; 1199 my ($rdata, $objs) = @_;
857 1200
869 or return; 1212 or return;
870 1213
871 unless (aio_stat "$filename.pst") { 1214 unless (aio_stat "$filename.pst") {
872 (aio_load "$filename.pst", $av) >= 0 1215 (aio_load "$filename.pst", $av) >= 0
873 or return; 1216 or return;
1217
874 $av = eval { (Storable::thaw $av)->{objs} }; 1218 my $st = eval { Coro::Storable::thaw $av };
1219 $av = $st->{objs};
875 } 1220 }
876 1221
1222 utf8::decode (my $decname = $filename);
877 warn sprintf "loading %s (%d)\n", 1223 warn sprintf "loading %s (%d,%d)\n",
878 $filename, length $data, scalar @{$av || []}; 1224 $decname, length $data, scalar @{$av || []};
1225
879 return ($data, $av); 1226 ($data, $av)
880} 1227}
1228
1229=head2 COMMAND CALLBACKS
1230
1231=over 4
1232
1233=cut
881 1234
882############################################################################# 1235#############################################################################
883# command handling &c 1236# command handling &c
884 1237
885=item cf::register_command $name => \&callback($ob,$args); 1238=item cf::register_command $name => \&callback($ob,$args);
898 push @{ $COMMAND{$name} }, [$caller, $cb]; 1251 push @{ $COMMAND{$name} }, [$caller, $cb];
899} 1252}
900 1253
901=item cf::register_extcmd $name => \&callback($pl,$packet); 1254=item cf::register_extcmd $name => \&callback($pl,$packet);
902 1255
903Register a callbackf ro execution when the client sends an extcmd packet. 1256Register a callback for execution when the client sends an (synchronous)
1257extcmd packet. Ext commands will be processed in the order they are
1258received by the server, like other user commands. The first argument is
1259the logged-in player. Ext commands can only be processed after a player
1260has logged in successfully.
904 1261
905If the callback returns something, it is sent back as if reply was being 1262If the callback returns something, it is sent back as if reply was being
906called. 1263called.
907 1264
1265=item cf::register_exticmd $name => \&callback($ns,$packet);
1266
1267Register a callback for execution when the client sends an (asynchronous)
1268exticmd packet. Exti commands are processed by the server as soon as they
1269are received, i.e. out of order w.r.t. other commands. The first argument
1270is a client socket. Exti commands can be received anytime, even before
1271log-in.
1272
1273If the callback returns something, it is sent back as if reply was being
1274called.
1275
908=cut 1276=cut
909 1277
910sub register_extcmd { 1278sub register_extcmd {
911 my ($name, $cb) = @_; 1279 my ($name, $cb) = @_;
912 1280
913 $EXTCMD{$name} = $cb; 1281 $EXTCMD{$name} = $cb;
1282}
1283
1284sub register_exticmd {
1285 my ($name, $cb) = @_;
1286
1287 $EXTICMD{$name} = $cb;
914} 1288}
915 1289
916cf::player->attach ( 1290cf::player->attach (
917 on_command => sub { 1291 on_command => sub {
918 my ($pl, $name, $params) = @_; 1292 my ($pl, $name, $params) = @_;
927 cf::override; 1301 cf::override;
928 }, 1302 },
929 on_extcmd => sub { 1303 on_extcmd => sub {
930 my ($pl, $buf) = @_; 1304 my ($pl, $buf) = @_;
931 1305
932 my $msg = eval { from_json $buf }; 1306 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933 1307
934 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
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1316 if (my $cb = $EXTCMD{$type}) {
936 if (my %reply = $cb->($pl, $msg)) { 1317 @reply = $cb->($pl, @payload);
937 $pl->ext_reply ($msg->{msgid}, %reply);
938 }
939 } 1318 }
1319
1320 $pl->ext_reply ($reply, @reply)
1321 if $reply;
1322
940 } else { 1323 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1324 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942 } 1325 }
943 1326
944 cf::override; 1327 cf::override;
967 path => $path, 1350 path => $path,
968 base => $base, 1351 base => $base,
969 pkg => $pkg, 1352 pkg => $pkg,
970 ); 1353 );
971 1354
972 $ext{meta} = { map { split /=/, $_, 2 } split /\s+/, $1 } 1355 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973 if $source =~ /^#!.*?perl.*?#\s*(.*)$/; 1356 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974 1357
975 $ext{source} = 1358 $ext{source} =
976 "package $pkg; use strict; use utf8;\n" 1359 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 1360 . "#line 1 \"$path\"\n{\n"
978 . $source 1361 . $source
979 . "\n};\n1"; 1362 . "\n};\n1";
980 1363
981 $todo{$base} = \%ext; 1364 $todo{$base} = \%ext;
984 my %done; 1367 my %done;
985 while (%todo) { 1368 while (%todo) {
986 my $progress; 1369 my $progress;
987 1370
988 while (my ($k, $v) = each %todo) { 1371 while (my ($k, $v) = each %todo) {
989 for (split /,\s*/, $ext{meta}{depends}) { 1372 for (split /,\s*/, $v->{meta}{depends}) {
990 goto skip 1373 goto skip
991 unless exists $done{$_}; 1374 unless exists $done{$_};
992 } 1375 }
993 1376
994 warn "... loading '$k' into '$v->{pkg}'\n"; 1377 warn "... loading '$k' into '$v->{pkg}'\n";
995 1378
996 unless (eval $v->{source}) { 1379 unless (eval $v->{source}) {
997 my $msg = $@ ? "$v->{path}: $@\n" 1380 my $msg = $@ ? "$v->{path}: $@\n"
998 : "extension disabled.\n"; 1381 : "$v->{base}: extension inactive.\n";
999 1382
1000 if (exists $v->{meta}{mandatory}) { 1383 if (exists $v->{meta}{mandatory}) {
1001 warn $msg; 1384 warn $msg;
1002 warn "mandatory extension failed to load, exiting.\n"; 1385 cf::cleanup "mandatory extension failed to load, exiting.";
1003 exit 1;
1004 } 1386 }
1005 1387
1006 die $msg; 1388 warn $msg;
1007 } 1389 }
1008 1390
1009 $done{$k} = delete $todo{$k}; 1391 $done{$k} = delete $todo{$k};
1010 push @EXTS, $v->{pkg}; 1392 push @EXTS, $v->{pkg};
1393 $progress = 1;
1011 } 1394 }
1012 1395
1013 skip: 1396 skip:
1014 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1397 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1015 unless $progress; 1398 unless $progress;
1017 }; 1400 };
1018} 1401}
1019 1402
1020############################################################################# 1403#############################################################################
1021 1404
1405=back
1406
1022=head2 CORE EXTENSIONS 1407=head2 CORE EXTENSIONS
1023 1408
1024Functions and methods that extend core crossfire objects. 1409Functions and methods that extend core deliantra objects.
1025 1410
1026=cut 1411=cut
1027 1412
1028package cf::player; 1413package cf::player;
1029 1414
1030use Coro::AIO; 1415use Coro::AIO;
1031 1416
1032=head3 cf::player 1417=head3 cf::player
1033 1418
1034=over 4 1419=over 4
1420
1421=item cf::player::num_playing
1422
1423Returns the official number of playing players, as per the Crossfire metaserver rules.
1424
1425=cut
1426
1427sub num_playing {
1428 scalar grep
1429 $_->ob->map
1430 && !$_->hidden
1431 && !$_->ob->flag (cf::FLAG_WIZ),
1432 cf::player::list
1433}
1035 1434
1036=item cf::player::find $login 1435=item cf::player::find $login
1037 1436
1038Returns the given player object, loading it if necessary (might block). 1437Returns the given player object, loading it if necessary (might block).
1039 1438
1075 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1474 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1076 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1475 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1077 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1476 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1078 aio_unlink +(playerdir $login) . "/$login.pl"; 1477 aio_unlink +(playerdir $login) . "/$login.pl";
1079 1478
1080 my $pl = load_pl path $login 1479 my $f = new_from_file cf::object::thawer path $login
1081 or return; 1480 or return;
1481
1482 my $pl = cf::player::load_pl $f
1483 or return;
1484
1485 local $cf::PLAYER_LOADING{$login} = $pl;
1486 $f->resolve_delayed_derefs;
1082 $cf::PLAYER{$login} = $pl 1487 $cf::PLAYER{$login} = $pl
1083 } 1488 }
1084 } 1489 }
1085} 1490}
1086 1491
1095 return if $pl->{deny_save}; 1500 return if $pl->{deny_save};
1096 1501
1097 aio_mkdir playerdir $pl, 0770; 1502 aio_mkdir playerdir $pl, 0770;
1098 $pl->{last_save} = $cf::RUNTIME; 1503 $pl->{last_save} = $cf::RUNTIME;
1099 1504
1505 cf::get_slot 0.01;
1506
1100 $pl->save_pl ($path); 1507 $pl->save_pl ($path);
1101 Coro::cede; 1508 cf::cede_to_tick;
1102} 1509}
1103 1510
1104sub new($) { 1511sub new($) {
1105 my ($login) = @_; 1512 my ($login) = @_;
1106 1513
1112 $cf::PLAYER{$login} = $self; 1519 $cf::PLAYER{$login} = $self;
1113 1520
1114 $self 1521 $self
1115} 1522}
1116 1523
1524=item $player->send_msg ($channel, $msg, $color, [extra...])
1525
1526=cut
1527
1528sub send_msg {
1529 my $ns = shift->ns
1530 or return;
1531 $ns->send_msg (@_);
1532}
1533
1117=item $pl->quit_character 1534=item $pl->quit_character
1118 1535
1119Nukes the player without looking back. If logged in, the connection will 1536Nukes the player without looking back. If logged in, the connection will
1120be destroyed. May block for a long time. 1537be destroyed. May block for a long time.
1121 1538
1125 my ($pl) = @_; 1542 my ($pl) = @_;
1126 1543
1127 my $name = $pl->ob->name; 1544 my $name = $pl->ob->name;
1128 1545
1129 $pl->{deny_save} = 1; 1546 $pl->{deny_save} = 1;
1130 $pl->password ("*"); # this should lock out the player until we nuked the dir 1547 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1131 1548
1132 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1549 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1133 $pl->deactivate; 1550 $pl->deactivate;
1551 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1552 $pl->ob->check_score;
1134 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1553 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1135 $pl->ns->destroy if $pl->ns; 1554 $pl->ns->destroy if $pl->ns;
1136 1555
1137 my $path = playerdir $pl; 1556 my $path = playerdir $pl;
1138 my $temp = "$path~$cf::RUNTIME~deleting~"; 1557 my $temp = "$path~$cf::RUNTIME~deleting~";
1174 or return []; 1593 or return [];
1175 1594
1176 my @logins; 1595 my @logins;
1177 1596
1178 for my $login (@$dirs) { 1597 for my $login (@$dirs) {
1598 my $path = path $login;
1599
1600 # a .pst is a dead give-away for a valid player
1601 # if no pst file found, open and chekc for blocked users
1602 if (aio_stat "$path.pst") {
1179 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1603 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1180 aio_read $fh, 0, 512, my $buf, 0 or next; 1604 aio_read $fh, 0, 512, my $buf, 0 or next;
1181 $buf !~ /^password -------------$/m or next; # official not-valid tag 1605 $buf !~ /^password -------------$/m or next; # official not-valid tag
1606 }
1182 1607
1183 utf8::decode $login; 1608 utf8::decode $login;
1184 push @logins, $login; 1609 push @logins, $login;
1185 } 1610 }
1186 1611
1213 } 1638 }
1214 1639
1215 \@paths 1640 \@paths
1216} 1641}
1217 1642
1643=item $protocol_xml = $player->expand_cfpod ($cfpod)
1644
1645Expand deliantra pod fragments into protocol xml.
1646
1218=item $player->ext_reply ($msgid, %msg) 1647=item $player->ext_reply ($msgid, @msg)
1219 1648
1220Sends an ext reply to the player. 1649Sends an ext reply to the player.
1221 1650
1222=cut 1651=cut
1223 1652
1224sub ext_reply($$%) { 1653sub ext_reply($$@) {
1225 my ($self, $id, %msg) = @_; 1654 my ($self, $id, @msg) = @_;
1226 1655
1227 $msg{msgid} = $id; 1656 $self->ns->ext_reply ($id, @msg)
1228
1229 $self->send ("ext " . cf::to_json \%msg);
1230} 1657}
1231 1658
1232=item $player->ext_event ($type, %msg) 1659=item $player->ext_msg ($type, @msg)
1233 1660
1234Sends an ext event to the client. 1661Sends an ext event to the client.
1235 1662
1236=cut 1663=cut
1237 1664
1238sub ext_event($$%) { 1665sub ext_msg($$@) {
1239 my ($self, $type, %msg) = @_; 1666 my ($self, $type, @msg) = @_;
1240 1667
1241 $self->ns->ext_event ($type, %msg); 1668 $self->ns->ext_msg ($type, @msg);
1242} 1669}
1243 1670
1244=head3 cf::region 1671=head3 cf::region
1245 1672
1246=over 4 1673=over 4
1249 1676
1250package cf::region; 1677package cf::region;
1251 1678
1252=item cf::region::find_by_path $path 1679=item cf::region::find_by_path $path
1253 1680
1254Tries to decuce the probable region for a map knowing only its path. 1681Tries to decuce the likely region for a map knowing only its path.
1255 1682
1256=cut 1683=cut
1257 1684
1258sub find_by_path($) { 1685sub find_by_path($) {
1259 my ($path) = @_; 1686 my ($path) = @_;
1260 1687
1261 my ($match, $specificity); 1688 my ($match, $specificity);
1262 1689
1263 for my $region (list) { 1690 for my $region (list) {
1264 if ($region->match && $path =~ $region->match) { 1691 if ($region->{match} && $path =~ $region->{match}) {
1265 ($match, $specificity) = ($region, $region->specificity) 1692 ($match, $specificity) = ($region, $region->specificity)
1266 if $region->specificity > $specificity; 1693 if $region->specificity > $specificity;
1267 } 1694 }
1268 } 1695 }
1269 1696
1290our $MAX_RESET = 3600; 1717our $MAX_RESET = 3600;
1291our $DEFAULT_RESET = 3000; 1718our $DEFAULT_RESET = 3000;
1292 1719
1293sub generate_random_map { 1720sub generate_random_map {
1294 my ($self, $rmp) = @_; 1721 my ($self, $rmp) = @_;
1722
1723 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1724
1295 # mit "rum" bekleckern, nicht 1725 # mit "rum" bekleckern, nicht
1296 $self->_create_random_map ( 1726 $self->_create_random_map (
1297 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1727 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1728 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1729 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1389 $self->init; # pass $1 etc. 1819 $self->init; # pass $1 etc.
1390 return $self; 1820 return $self;
1391 } 1821 }
1392 } 1822 }
1393 1823
1394 Carp::carp "unable to resolve path '$path' (base '$base')."; 1824 Carp::cluck "unable to resolve path '$path' (base '$base').";
1395 () 1825 ()
1396} 1826}
1397 1827
1398sub init { 1828sub init {
1399 my ($self) = @_; 1829 my ($self) = @_;
1421 1851
1422# the temporary/swap location 1852# the temporary/swap location
1423sub save_path { 1853sub save_path {
1424 my ($self) = @_; 1854 my ($self) = @_;
1425 1855
1426 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1856 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1427 "$TMPDIR/$path.map" 1857 "$TMPDIR/$path.map"
1428} 1858}
1429 1859
1430# the unique path, undef == no special unique path 1860# the unique path, undef == no special unique path
1431sub uniq_path { 1861sub uniq_path {
1432 my ($self) = @_; 1862 my ($self) = @_;
1433 1863
1434 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1864 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1435 "$UNIQUEDIR/$path" 1865 "$UNIQUEDIR/$path"
1436} 1866}
1437 1867
1438# and all this just because we cannot iterate over 1868# and all this just because we cannot iterate over
1439# all maps in C++... 1869# all maps in C++...
1462 1892
1463sub load_header_from($) { 1893sub load_header_from($) {
1464 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1465 1895
1466 utf8::encode $path; 1896 utf8::encode $path;
1467 #aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1468 # or return;
1469
1470 $self->_load_header ($path)
1471 or return; 1898 or return;
1899
1900 $self->_load_header ($f)
1901 or return;
1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1472 1905
1473 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1474 1907
1475 1 1908 1
1476} 1909}
1530sub find { 1963sub find {
1531 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1532 1965
1533 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1534 1967
1968 cf::lock_wait "map_data:$path";#d#remove
1535 cf::lock_wait "map_find:$path"; 1969 cf::lock_wait "map_find:$path";
1536 1970
1537 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1972 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1538 my $guard = cf::lock_acquire "map_find:$path"; 1973 my $guard2 = cf::lock_acquire "map_find:$path";
1974
1539 my $map = new_from_path cf::map $path 1975 my $map = new_from_path cf::map $path
1540 or return; 1976 or return;
1541 1977
1542 $map->{last_save} = $cf::RUNTIME; 1978 $map->{last_save} = $cf::RUNTIME;
1543 1979
1545 or return; 1981 or return;
1546 1982
1547 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1983 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1548 # doing this can freeze the server in a sync job, obviously 1984 # doing this can freeze the server in a sync job, obviously
1549 #$cf::WAIT_FOR_TICK->wait; 1985 #$cf::WAIT_FOR_TICK->wait;
1986 undef $guard2;
1987 undef $guard1;
1550 $map->reset; 1988 $map->reset;
1551 undef $guard;
1552 return find $path; 1989 return find $path;
1553 } 1990 }
1554 1991
1555 $cf::MAP{$path} = $map 1992 $cf::MAP{$path} = $map
1556 } 1993 }
1565 local $self->{deny_reset} = 1; # loading can take a long time 2002 local $self->{deny_reset} = 1; # loading can take a long time
1566 2003
1567 my $path = $self->{path}; 2004 my $path = $self->{path};
1568 2005
1569 { 2006 {
1570 my $guard = cf::lock_acquire "map_load:$path"; 2007 my $guard = cf::lock_acquire "map_data:$path";
1571 2008
2009 return unless $self->valid;
1572 return if $self->in_memory != cf::MAP_SWAPPED; 2010 return unless $self->in_memory == cf::MAP_SWAPPED;
1573 2011
1574 $self->in_memory (cf::MAP_LOADING); 2012 $self->in_memory (cf::MAP_LOADING);
1575 2013
1576 $self->alloc; 2014 $self->alloc;
1577 2015
1578 $self->pre_load; 2016 $self->pre_load;
1579 Coro::cede; 2017 cf::cede_to_tick;
1580 2018
2019 my $f = new_from_file cf::object::thawer $self->{load_path};
2020 $f->skip_block;
1581 $self->_load_objects ($self->{load_path}, 1) 2021 $self->_load_objects ($f)
1582 or return; 2022 or return;
1583 2023
1584 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2024 $self->post_load_original
1585 if delete $self->{load_original}; 2025 if delete $self->{load_original};
1586 2026
1587 if (my $uniq = $self->uniq_path) { 2027 if (my $uniq = $self->uniq_path) {
1588 utf8::encode $uniq; 2028 utf8::encode $uniq;
1589 if (aio_open $uniq, O_RDONLY, 0) { 2029 unless (aio_stat $uniq) {
2030 if (my $f = new_from_file cf::object::thawer $uniq) {
1590 $self->clear_unique_items; 2031 $self->clear_unique_items;
1591 $self->_load_objects ($uniq, 0); 2032 $self->_load_objects ($f);
2033 $f->resolve_delayed_derefs;
2034 }
1592 } 2035 }
1593 } 2036 }
1594 2037
1595 Coro::cede; 2038 $f->resolve_delayed_derefs;
2039
2040 cf::cede_to_tick;
1596 # now do the right thing for maps 2041 # now do the right thing for maps
1597 $self->link_multipart_objects; 2042 $self->link_multipart_objects;
1598 $self->difficulty ($self->estimate_difficulty) 2043 $self->difficulty ($self->estimate_difficulty)
1599 unless $self->difficulty; 2044 unless $self->difficulty;
1600 Coro::cede; 2045 cf::cede_to_tick;
1601 2046
1602 unless ($self->{deny_activate}) { 2047 unless ($self->{deny_activate}) {
1603 $self->decay_objects; 2048 $self->decay_objects;
1604 $self->fix_auto_apply; 2049 $self->fix_auto_apply;
1605 $self->update_buttons; 2050 $self->update_buttons;
1606 Coro::cede; 2051 cf::cede_to_tick;
1607 $self->set_darkness_map; 2052 $self->set_darkness_map;
1608 Coro::cede; 2053 cf::cede_to_tick;
1609 $self->activate; 2054 $self->activate;
1610 } 2055 }
1611 2056
2057 $self->{last_save} = $cf::RUNTIME;
2058 $self->last_access ($cf::RUNTIME);
2059
1612 $self->in_memory (cf::MAP_IN_MEMORY); 2060 $self->in_memory (cf::MAP_ACTIVE);
1613 } 2061 }
1614 2062
1615 $self->post_load; 2063 $self->post_load;
1616} 2064}
1617 2065
1626 2074
1627 $self 2075 $self
1628} 2076}
1629 2077
1630# find and load all maps in the 3x3 area around a map 2078# find and load all maps in the 3x3 area around a map
1631sub load_diag { 2079sub load_neighbours {
1632 my ($map) = @_; 2080 my ($map) = @_;
1633 2081
1634 my @diag; # diagonal neighbours 2082 my @neigh; # diagonal neighbours
1635 2083
1636 for (0 .. 3) { 2084 for (0 .. 3) {
1637 my $neigh = $map->tile_path ($_) 2085 my $neigh = $map->tile_path ($_)
1638 or next; 2086 or next;
1639 $neigh = find $neigh, $map 2087 $neigh = find $neigh, $map
1640 or next; 2088 or next;
1641 $neigh->load; 2089 $neigh->load;
1642 2090
2091 push @neigh,
1643 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2092 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1644 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2093 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1645 } 2094 }
1646 2095
1647 for (@diag) { 2096 for (grep defined $_->[0], @neigh) {
2097 my ($path, $origin) = @$_;
1648 my $neigh = find @$_ 2098 my $neigh = find $path, $origin
1649 or next; 2099 or next;
1650 $neigh->load; 2100 $neigh->load;
1651 } 2101 }
1652} 2102}
1653 2103
1658} 2108}
1659 2109
1660sub do_load_sync { 2110sub do_load_sync {
1661 my ($map) = @_; 2111 my ($map) = @_;
1662 2112
2113 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2114 if $Coro::current == $Coro::main;
2115
1663 cf::sync_job { $map->load }; 2116 cf::sync_job { $map->load };
1664} 2117}
1665 2118
1666our %MAP_PREFETCH; 2119our %MAP_PREFETCH;
1667our $MAP_PREFETCHER = undef; 2120our $MAP_PREFETCHER = undef;
1668 2121
1669sub find_async { 2122sub find_async {
1670 my ($path, $origin) = @_; 2123 my ($path, $origin, $load) = @_;
1671 2124
1672 $path = normalise $path, $origin && $origin->{path}; 2125 $path = normalise $path, $origin && $origin->{path};
1673 2126
1674 if (my $map = $cf::MAP{$path}) { 2127 if (my $map = $cf::MAP{$path}) {
1675 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2128 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1676 } 2129 }
1677 2130
1678 undef $MAP_PREFETCH{$path}; 2131 $MAP_PREFETCH{$path} |= $load;
2132
1679 $MAP_PREFETCHER ||= cf::async { 2133 $MAP_PREFETCHER ||= cf::async {
2134 $Coro::current->{desc} = "map prefetcher";
2135
1680 while (%MAP_PREFETCH) { 2136 while (%MAP_PREFETCH) {
1681 for my $path (keys %MAP_PREFETCH) { 2137 while (my ($k, $v) = each %MAP_PREFETCH) {
1682 my $map = find $path 2138 if (my $map = find $k) {
1683 or next;
1684 $map->load; 2139 $map->load if $v;
2140 }
1685 2141
1686 delete $MAP_PREFETCH{$path}; 2142 delete $MAP_PREFETCH{$k};
1687 } 2143 }
1688 } 2144 }
1689 undef $MAP_PREFETCHER; 2145 undef $MAP_PREFETCHER;
1690 }; 2146 };
1691 $MAP_PREFETCHER->prio (6); 2147 $MAP_PREFETCHER->prio (6);
1694} 2150}
1695 2151
1696sub save { 2152sub save {
1697 my ($self) = @_; 2153 my ($self) = @_;
1698 2154
1699 my $lock = cf::lock_acquire "map_data:" . $self->path; 2155 my $lock = cf::lock_acquire "map_data:$self->{path}";
1700 2156
1701 $self->{last_save} = $cf::RUNTIME; 2157 $self->{last_save} = $cf::RUNTIME;
1702 2158
1703 return unless $self->dirty; 2159 return unless $self->dirty;
1704 2160
1710 return if $self->{deny_save}; 2166 return if $self->{deny_save};
1711 2167
1712 local $self->{last_access} = $self->last_access;#d# 2168 local $self->{last_access} = $self->last_access;#d#
1713 2169
1714 cf::async { 2170 cf::async {
2171 $Coro::current->{desc} = "map player save";
1715 $_->contr->save for $self->players; 2172 $_->contr->save for $self->players;
1716 }; 2173 };
2174
2175 cf::get_slot 0.02;
1717 2176
1718 if ($uniq) { 2177 if ($uniq) {
1719 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2178 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1720 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2179 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1721 } else { 2180 } else {
1727 my ($self) = @_; 2186 my ($self) = @_;
1728 2187
1729 # save first because save cedes 2188 # save first because save cedes
1730 $self->save; 2189 $self->save;
1731 2190
1732 my $lock = cf::lock_acquire "map_data:" . $self->path; 2191 my $lock = cf::lock_acquire "map_data:$self->{path}";
1733 2192
1734 return if $self->players; 2193 return if $self->players;
1735 return if $self->in_memory != cf::MAP_IN_MEMORY; 2194 return if $self->in_memory != cf::MAP_ACTIVE;
1736 return if $self->{deny_save}; 2195 return if $self->{deny_save};
1737 2196
2197 $self->in_memory (cf::MAP_SWAPPED);
2198
2199 $self->deactivate;
2200 $_->clear_links_to ($self) for values %cf::MAP;
1738 $self->clear; 2201 $self->clear;
1739 $self->in_memory (cf::MAP_SWAPPED);
1740} 2202}
1741 2203
1742sub reset_at { 2204sub reset_at {
1743 my ($self) = @_; 2205 my ($self) = @_;
1744 2206
1776 if $uniq; 2238 if $uniq;
1777 } 2239 }
1778 2240
1779 delete $cf::MAP{$self->path}; 2241 delete $cf::MAP{$self->path};
1780 2242
2243 $self->deactivate;
2244 $_->clear_links_to ($self) for values %cf::MAP;
1781 $self->clear; 2245 $self->clear;
1782
1783 $_->clear_links_to ($self) for values %cf::MAP;
1784 2246
1785 $self->unlink_save; 2247 $self->unlink_save;
1786 $self->destroy; 2248 $self->destroy;
1787} 2249}
1788 2250
1789my $nuke_counter = "aaaa"; 2251my $nuke_counter = "aaaa";
1790 2252
1791sub nuke { 2253sub nuke {
1792 my ($self) = @_; 2254 my ($self) = @_;
1793 2255
2256 {
2257 my $lock = cf::lock_acquire "map_data:$self->{path}";
2258
1794 delete $cf::MAP{$self->path}; 2259 delete $cf::MAP{$self->path};
1795 2260
1796 $self->unlink_save; 2261 $self->unlink_save;
1797 2262
1798 bless $self, "cf::map"; 2263 bless $self, "cf::map";
1799 delete $self->{deny_reset}; 2264 delete $self->{deny_reset};
1800 $self->{deny_save} = 1; 2265 $self->{deny_save} = 1;
1801 $self->reset_timeout (1); 2266 $self->reset_timeout (1);
1802 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2267 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1803 2268
1804 $cf::MAP{$self->path} = $self; 2269 $cf::MAP{$self->path} = $self;
2270 }
1805 2271
1806 $self->reset; # polite request, might not happen 2272 $self->reset; # polite request, might not happen
1807} 2273}
1808 2274
1809=item $maps = cf::map::tmp_maps 2275=item $maps = cf::map::tmp_maps
1851 2317
1852sub unique_maps() { 2318sub unique_maps() {
1853 [ 2319 [
1854 map { 2320 map {
1855 utf8::decode $_; 2321 utf8::decode $_;
1856 /\.map$/ 2322 s/\.map$//; # TODO future compatibility hack
2323 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2324 ? ()
1857 ? normalise $_ 2325 : normalise $_
1858 : ()
1859 } @{ aio_readdir $UNIQUEDIR or [] } 2326 } @{ aio_readdir $UNIQUEDIR or [] }
1860 ] 2327 ]
1861} 2328}
1862 2329
1863package cf;
1864
1865=back 2330=back
1866 2331
1867=head3 cf::object 2332=head3 cf::object
1868 2333
1869=cut 2334=cut
1872 2337
1873=over 4 2338=over 4
1874 2339
1875=item $ob->inv_recursive 2340=item $ob->inv_recursive
1876 2341
1877Returns the inventory of the object _and_ their inventories, recursively. 2342Returns the inventory of the object I<and> their inventories, recursively,
2343but I<not> the object itself.
1878 2344
1879=cut 2345=cut
1880 2346
1881sub inv_recursive_; 2347sub inv_recursive_;
1882sub inv_recursive_ { 2348sub inv_recursive_ {
1885 2351
1886sub inv_recursive { 2352sub inv_recursive {
1887 inv_recursive_ inv $_[0] 2353 inv_recursive_ inv $_[0]
1888} 2354}
1889 2355
2356=item $ref = $ob->ref
2357
2358Creates and returns a persistent reference to an object that can be stored as a string.
2359
2360=item $ob = cf::object::deref ($refstring)
2361
2362returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2363even if the object actually exists. May block.
2364
2365=cut
2366
2367sub deref {
2368 my ($ref) = @_;
2369
2370 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2371 my ($uuid, $name) = ($1, $2);
2372 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2373 or return;
2374 $pl->ob->uuid eq $uuid
2375 or return;
2376
2377 $pl->ob
2378 } else {
2379 warn "$ref: cannot resolve object reference\n";
2380 undef
2381 }
2382}
2383
1890package cf; 2384package cf;
1891 2385
1892=back 2386=back
1893 2387
1894=head3 cf::object::player 2388=head3 cf::object::player
1900Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2394Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1901can be C<undef>. Does the right thing when the player is currently in a 2395can be C<undef>. Does the right thing when the player is currently in a
1902dialogue with the given NPC character. 2396dialogue with the given NPC character.
1903 2397
1904=cut 2398=cut
2399
2400our $SAY_CHANNEL = {
2401 id => "say",
2402 title => "Map",
2403 reply => "say ",
2404 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2405};
2406
2407our $CHAT_CHANNEL = {
2408 id => "chat",
2409 title => "Chat",
2410 reply => "chat ",
2411 tooltip => "Player chat and shouts, global to the server.",
2412};
1905 2413
1906# rough implementation of a future "reply" method that works 2414# rough implementation of a future "reply" method that works
1907# with dialog boxes. 2415# with dialog boxes.
1908#TODO: the first argument must go, split into a $npc->reply_to ( method 2416#TODO: the first argument must go, split into a $npc->reply_to ( method
1909sub cf::object::player::reply($$$;$) { 2417sub cf::object::player::reply($$$;$) {
1911 2419
1912 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2420 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1913 2421
1914 if ($self->{record_replies}) { 2422 if ($self->{record_replies}) {
1915 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2423 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2424
1916 } else { 2425 } else {
2426 my $pl = $self->contr;
2427
2428 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2429 my $dialog = $pl->{npc_dialog};
2430 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431
2432 } else {
1917 $msg = $npc->name . " says: $msg" if $npc; 2433 $msg = $npc->name . " says: $msg" if $npc;
1918 $self->message ($msg, $flags); 2434 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2435 }
1919 } 2436 }
2437}
2438
2439=item $object->send_msg ($channel, $msg, $color, [extra...])
2440
2441=cut
2442
2443sub cf::object::send_msg {
2444 my $pl = shift->contr
2445 or return;
2446 $pl->send_msg (@_);
1920} 2447}
1921 2448
1922=item $player_object->may ("access") 2449=item $player_object->may ("access")
1923 2450
1924Returns wether the given player is authorized to access resource "access" 2451Returns wether the given player is authorized to access resource "access"
1937 2464
1938=item $player_object->enter_link 2465=item $player_object->enter_link
1939 2466
1940Freezes the player and moves him/her to a special map (C<{link}>). 2467Freezes the player and moves him/her to a special map (C<{link}>).
1941 2468
1942The player should be reasonably safe there for short amounts of time. You 2469The player should be reasonably safe there for short amounts of time (e.g.
1943I<MUST> call C<leave_link> as soon as possible, though. 2470for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2471though, as the palyer cannot control the character while it is on the link
2472map.
1944 2473
1945Will never block. 2474Will never block.
1946 2475
1947=item $player_object->leave_link ($map, $x, $y) 2476=item $player_object->leave_link ($map, $x, $y)
1948 2477
2003 # use -1 or undef as default coordinates, not 0, 0 2532 # use -1 or undef as default coordinates, not 0, 0
2004 ($x, $y) = ($map->enter_x, $map->enter_y) 2533 ($x, $y) = ($map->enter_x, $map->enter_y)
2005 if $x <=0 && $y <= 0; 2534 if $x <=0 && $y <= 0;
2006 2535
2007 $map->load; 2536 $map->load;
2008 $map->load_diag; 2537 $map->load_neighbours;
2009 2538
2010 return unless $self->contr->active; 2539 return unless $self->contr->active;
2540 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
2011 $self->activate_recursive; 2541 $self->activate_recursive;
2012 2542
2013 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2543 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2014 $self->enter_map ($map, $x, $y); 2544 $self->enter_map ($map, $x, $y);
2015} 2545}
2016 2546
2017=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2547=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2018 2548
2019Moves the player to the given map-path and coordinates by first freezing 2549Moves the player to the given map-path and coordinates by first freezing
2020her, loading and preparing them map, calling the provided $check callback 2550her, loading and preparing them map, calling the provided $check callback
2021that has to return the map if sucecssful, and then unfreezes the player on 2551that has to return the map if sucecssful, and then unfreezes the player on
2022the new (success) or old (failed) map position. 2552the new (success) or old (failed) map position. In either case, $done will
2553be called at the end of this process.
2554
2555Note that $check will be called with a potentially non-loaded map, so if
2556it needs a loaded map it has to call C<< ->load >>.
2023 2557
2024=cut 2558=cut
2025 2559
2026our $GOTOGEN; 2560our $GOTOGEN;
2027 2561
2028sub cf::object::player::goto { 2562sub cf::object::player::goto {
2029 my ($self, $path, $x, $y, $check) = @_; 2563 my ($self, $path, $x, $y, $check, $done) = @_;
2030 2564
2031 # do generation counting so two concurrent goto's will be executed in-order 2565 # do generation counting so two concurrent goto's will be executed in-order
2032 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2566 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2033 2567
2034 $self->enter_link; 2568 $self->enter_link;
2035 2569
2036 (async { 2570 (async {
2571 $Coro::current->{desc} = "player::goto $path $x $y";
2572
2573 # *tag paths override both path and x|y
2574 if ($path =~ /^\*(.*)$/) {
2575 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2576 my $ob = $obs[rand @obs];
2577
2578 # see if we actually can go there
2579 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2580 $ob = $obs[rand @obs];
2581 } else {
2582 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2583 }
2584 # else put us there anyways for now #d#
2585
2586 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2587 } else {
2588 ($path, $x, $y) = (undef, undef, undef);
2589 }
2590 }
2591
2037 my $map = eval { 2592 my $map = eval {
2038 my $map = cf::map::find $path; 2593 my $map = defined $path ? cf::map::find $path : undef;
2039 2594
2040 if ($map) { 2595 if ($map) {
2041 $map = $map->customise_for ($self); 2596 $map = $map->customise_for ($self);
2042 $map = $check->($map) if $check && $map; 2597 $map = $check->($map) if $check && $map;
2043 } else { 2598 } else {
2044 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2599 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2045 } 2600 }
2046 2601
2047 $map 2602 $map
2048 }; 2603 };
2049 2604
2054 2609
2055 if ($gen == $self->{_goto_generation}) { 2610 if ($gen == $self->{_goto_generation}) {
2056 delete $self->{_goto_generation}; 2611 delete $self->{_goto_generation};
2057 $self->leave_link ($map, $x, $y); 2612 $self->leave_link ($map, $x, $y);
2058 } 2613 }
2614
2615 $done->() if $done;
2059 })->prio (1); 2616 })->prio (1);
2060} 2617}
2061 2618
2062=item $player_object->enter_exit ($exit_object) 2619=item $player_object->enter_exit ($exit_object)
2063 2620
2083} 2640}
2084 2641
2085sub prepare_random_map { 2642sub prepare_random_map {
2086 my ($exit) = @_; 2643 my ($exit) = @_;
2087 2644
2088 my $guard = cf::lock_acquire "exit_prepare:$exit";
2089
2090 # all this does is basically replace the /! path by 2645 # all this does is basically replace the /! path by
2091 # a new random map path (?random/...) with a seed 2646 # a new random map path (?random/...) with a seed
2092 # that depends on the exit object 2647 # that depends on the exit object
2093 2648
2094 my $rmp = parse_random_map_params $exit->msg; 2649 my $rmp = parse_random_map_params $exit->msg;
2096 if ($exit->map) { 2651 if ($exit->map) {
2097 $rmp->{region} = $exit->region->name; 2652 $rmp->{region} = $exit->region->name;
2098 $rmp->{origin_map} = $exit->map->path; 2653 $rmp->{origin_map} = $exit->map->path;
2099 $rmp->{origin_x} = $exit->x; 2654 $rmp->{origin_x} = $exit->x;
2100 $rmp->{origin_y} = $exit->y; 2655 $rmp->{origin_y} = $exit->y;
2656
2657 $exit->map->touch;
2101 } 2658 }
2102 2659
2103 $rmp->{random_seed} ||= $exit->random_seed; 2660 $rmp->{random_seed} ||= $exit->random_seed;
2104 2661
2105 my $data = cf::to_json $rmp; 2662 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2106 my $md5 = Digest::MD5::md5_hex $data; 2663 my $md5 = Digest::MD5::md5_hex $data;
2107 my $meta = "$RANDOMDIR/$md5.meta"; 2664 my $meta = "$RANDOMDIR/$md5.meta";
2108 2665
2109 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2666 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2110 aio_write $fh, 0, (length $data), $data, 0; 2667 aio_write $fh, 0, (length $data), $data, 0;
2111 undef $fh; 2668 undef $fh;
2112 aio_rename "$meta~", $meta; 2669 aio_rename "$meta~", $meta;
2113 2670
2671 my $slaying = "?random/$md5";
2672
2673 if ($exit->valid) {
2114 $exit->slaying ("?random/$md5"); 2674 $exit->slaying ("?random/$md5");
2115 $exit->msg (undef); 2675 $exit->msg (undef);
2676 }
2116 } 2677 }
2117} 2678}
2118 2679
2119sub cf::object::player::enter_exit { 2680sub cf::object::player::enter_exit {
2120 my ($self, $exit) = @_; 2681 my ($self, $exit) = @_;
2121 2682
2122 return unless $self->type == cf::PLAYER; 2683 return unless $self->type == cf::PLAYER;
2123 2684
2124 if ($exit->slaying eq "/!") {
2125 #TODO: this should de-fi-ni-te-ly not be a sync-job
2126 # the problem is that $exit might not survive long enough
2127 # so it needs to be done right now, right here
2128 cf::sync_job { prepare_random_map $exit };
2129 }
2130
2131 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2132 my $hp = $exit->stats->hp;
2133 my $sp = $exit->stats->sp;
2134
2135 $self->enter_link; 2685 $self->enter_link;
2136 2686
2137 (async { 2687 (async {
2138 $self->deactivate_recursive; # just to be sure 2688 $Coro::current->{desc} = "enter_exit";
2689
2139 unless (eval { 2690 unless (eval {
2691 $self->deactivate_recursive; # just to be sure
2692
2693 # random map handling
2694 {
2695 my $guard = cf::lock_acquire "exit_prepare:$exit";
2696
2697 prepare_random_map $exit
2698 if $exit->slaying eq "/!";
2699 }
2700
2701 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2702 my $x = $exit->stats->hp;
2703 my $y = $exit->stats->sp;
2704
2140 $self->goto ($slaying, $hp, $sp); 2705 $self->goto ($map, $x, $y);
2141 2706
2707 # if exit is damned, update players death & WoR home-position
2708 $self->contr->savebed ($map, $x, $y)
2709 if $exit->flag (cf::FLAG_DAMNED);
2710
2142 1; 2711 1
2143 }) { 2712 }) {
2144 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the deliantra server. "
2145 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
2146 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
2147 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
2148 2717
2149 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
2168 2737
2169 utf8::encode $text; 2738 utf8::encode $text;
2170 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2171} 2740}
2172 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801 "c/party" => {
2802 id => "party",
2803 title => "Party",
2804 reply => "gsay ",
2805 tooltip => "Messages and chat related to your party",
2806 },
2807);
2808
2809sub cf::client::send_msg {
2810 my ($self, $channel, $msg, $color, @extra) = @_;
2811
2812 $msg = $self->pl->expand_cfpod ($msg)
2813 unless $color & cf::NDI_VERBATIM;
2814
2815 $color &= cf::NDI_CLIENT_MASK; # just in case...
2816
2817 # check predefined channels, for the benefit of C
2818 if ($CHANNEL{$channel}) {
2819 $channel = $CHANNEL{$channel};
2820
2821 $self->ext_msg (channel_info => $channel)
2822 if $self->can_msg;
2823
2824 $channel = $channel->{id};
2825
2826 } elsif (ref $channel) {
2827 # send meta info to client, if not yet sent
2828 unless (exists $self->{channel}{$channel->{id}}) {
2829 $self->{channel}{$channel->{id}} = $channel;
2830 $self->ext_msg (channel_info => $channel)
2831 if $self->can_msg;
2832 }
2833
2834 $channel = $channel->{id};
2835 }
2836
2837 return unless @extra || length $msg;
2838
2839 if ($self->can_msg) {
2840 # default colour, mask it out
2841 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2842 if $color & cf::NDI_DEF;
2843
2844 my $pkt = "msg "
2845 . $self->{json_coder}->encode (
2846 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2847 );
2848
2849 # try lzf for large packets
2850 $pkt = "lzf " . Compress::LZF::compress $pkt
2851 if 1024 <= length $pkt and $self->{can_lzf};
2852
2853 # split very large packets
2854 if (8192 < length $pkt and $self->{can_lzf}) {
2855 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2856 $pkt = "frag";
2857 }
2858
2859 $self->send_packet ($pkt);
2860 } else {
2861 if ($color >= 0) {
2862 # replace some tags by gcfclient-compatible ones
2863 for ($msg) {
2864 1 while
2865 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2866 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2867 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2868 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2869 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2870 }
2871
2872 $color &= cf::NDI_COLOR_MASK;
2873
2874 utf8::encode $msg;
2875
2876 if (0 && $msg =~ /\[/) {
2877 # COMMAND/INFO
2878 $self->send_packet ("drawextinfo $color 10 8 $msg")
2879 } else {
2880 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2881 $self->send_packet ("drawinfo $color $msg")
2882 }
2883 }
2884 }
2885}
2886
2173=item $client->ext_event ($type, %msg) 2887=item $client->ext_msg ($type, @msg)
2174 2888
2175Sends an exti event to the client. 2889Sends an ext event to the client.
2176 2890
2177=cut 2891=cut
2178 2892
2179sub cf::client::ext_event($$%) { 2893sub cf::client::ext_msg($$@) {
2180 my ($self, $type, %msg) = @_; 2894 my ($self, $type, @msg) = @_;
2181 2895
2896 if ($self->extcmd == 2) {
2897 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2898 } elsif ($self->extcmd == 1) { # TODO: remove
2182 $msg{msgtype} = "event_$type"; 2899 push @msg, msgtype => "event_$type";
2183 $self->send_packet ("ext " . cf::to_json \%msg); 2900 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2901 }
2902}
2903
2904=item $client->ext_reply ($msgid, @msg)
2905
2906Sends an ext reply to the client.
2907
2908=cut
2909
2910sub cf::client::ext_reply($$@) {
2911 my ($self, $id, @msg) = @_;
2912
2913 if ($self->extcmd == 2) {
2914 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2915 } elsif ($self->extcmd == 1) {
2916 #TODO: version 1, remove
2917 unshift @msg, msgtype => "reply", msgid => $id;
2918 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2919 }
2184} 2920}
2185 2921
2186=item $success = $client->query ($flags, "text", \&cb) 2922=item $success = $client->query ($flags, "text", \&cb)
2187 2923
2188Queues a query to the client, calling the given callback with 2924Queues a query to the client, calling the given callback with
2189the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2925the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2190C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2926C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2191 2927
2192Queries can fail, so check the return code. Or don't, as queries will become 2928Queries can fail, so check the return code. Or don't, as queries will
2193reliable at some point in the future. 2929become reliable at some point in the future.
2194 2930
2195=cut 2931=cut
2196 2932
2197sub cf::client::query { 2933sub cf::client::query {
2198 my ($self, $flags, $text, $cb) = @_; 2934 my ($self, $flags, $text, $cb) = @_;
2206 utf8::encode $text; 2942 utf8::encode $text;
2207 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2943 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2208 2944
2209 $self->send_packet ($self->{query_queue}[0][0]) 2945 $self->send_packet ($self->{query_queue}[0][0])
2210 if @{ $self->{query_queue} } == 1; 2946 if @{ $self->{query_queue} } == 1;
2947
2948 1
2211} 2949}
2212 2950
2213cf::client->attach ( 2951cf::client->attach (
2952 on_connect => sub {
2953 my ($ns) = @_;
2954
2955 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2956 },
2214 on_reply => sub { 2957 on_reply => sub {
2215 my ($ns, $msg) = @_; 2958 my ($ns, $msg) = @_;
2216 2959
2217 # this weird shuffling is so that direct followup queries 2960 # this weird shuffling is so that direct followup queries
2218 # get handled first 2961 # get handled first
2230 } else { 2973 } else {
2231 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2974 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2232 } 2975 }
2233 } 2976 }
2234 }, 2977 },
2978 on_exticmd => sub {
2979 my ($ns, $buf) = @_;
2980
2981 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2982
2983 if (ref $msg) {
2984 my ($type, $reply, @payload) =
2985 "ARRAY" eq ref $msg
2986 ? @$msg
2987 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2988
2989 my @reply;
2990
2991 if (my $cb = $EXTICMD{$type}) {
2992 @reply = $cb->($ns, @payload);
2993 }
2994
2995 $ns->ext_reply ($reply, @reply)
2996 if $reply;
2997
2998 } else {
2999 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3000 }
3001
3002 cf::override;
3003 },
2235); 3004);
2236 3005
2237=item $client->async (\&cb) 3006=item $client->async (\&cb)
2238 3007
2239Create a new coroutine, running the specified callback. The coroutine will 3008Create a new coroutine, running the specified callback. The coroutine will
2280our $safe = new Safe "safe"; 3049our $safe = new Safe "safe";
2281our $safe_hole = new Safe::Hole; 3050our $safe_hole = new Safe::Hole;
2282 3051
2283$SIG{FPE} = 'IGNORE'; 3052$SIG{FPE} = 'IGNORE';
2284 3053
2285$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3054$safe->permit_only (Opcode::opset qw(
3055 :base_core :base_mem :base_orig :base_math
3056 grepstart grepwhile mapstart mapwhile
3057 sort time
3058));
2286 3059
2287# here we export the classes and methods available to script code 3060# here we export the classes and methods available to script code
2288 3061
2289=pod 3062=pod
2290 3063
2291The following functions and methods are available within a safe environment: 3064The following functions and methods are available within a safe environment:
2292 3065
2293 cf::object contr pay_amount pay_player map 3066 cf::object
3067 contr pay_amount pay_player map x y force_find force_add destroy
3068 insert remove name archname title slaying race decrease split
3069
2294 cf::object::player player 3070 cf::object::player
2295 cf::player peaceful 3071 player
2296 cf::map trigger 3072
3073 cf::player
3074 peaceful
3075
3076 cf::map
3077 trigger
2297 3078
2298=cut 3079=cut
2299 3080
2300for ( 3081for (
2301 ["cf::object" => qw(contr pay_amount pay_player map)], 3082 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3083 insert remove inv nrof name archname title slaying race
3084 decrease split destroy change_exp)],
2302 ["cf::object::player" => qw(player)], 3085 ["cf::object::player" => qw(player)],
2303 ["cf::player" => qw(peaceful)], 3086 ["cf::player" => qw(peaceful)],
2304 ["cf::map" => qw(trigger)], 3087 ["cf::map" => qw(trigger)],
2305) { 3088) {
2306 no strict 'refs'; 3089 no strict 'refs';
2377=back 3160=back
2378 3161
2379=cut 3162=cut
2380 3163
2381############################################################################# 3164#############################################################################
2382
2383=head2 EXTENSION DATABASE SUPPORT
2384
2385Crossfire maintains a very simple database for extension use. It can
2386currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2387convert to/from binary).
2388
2389The parameter C<$family> should best start with the name of the extension
2390using it, it should be unique.
2391
2392=over 4
2393
2394=item $value = cf::db_get $family => $key
2395
2396Returns a single value from the database.
2397
2398=item cf::db_put $family => $key => $value
2399
2400Stores the given C<$value> in the family.
2401
2402=cut
2403
2404our $DB;
2405
2406sub db_init {
2407 unless ($DB) {
2408 $DB = BDB::db_create $DB_ENV;
2409
2410 cf::sync_job {
2411 eval {
2412 $DB->set_flags (BDB::CHKSUM);
2413
2414 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2415 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2416 cf::cleanup "db_open(db): $!" if $!;
2417 };
2418 cf::cleanup "db_open(db): $@" if $@;
2419 };
2420 }
2421}
2422
2423sub db_get($$) {
2424 my $key = "$_[0]/$_[1]";
2425
2426 cf::sync_job {
2427 BDB::db_get $DB, undef, $key, my $data;
2428
2429 $! ? ()
2430 : $data
2431 }
2432}
2433
2434sub db_put($$$) {
2435 BDB::dbreq_pri 4;
2436 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2437}
2438
2439=item cf::cache $id => [$paths...], $processversion => $process
2440
2441Generic caching function that returns the value of the resource $id,
2442caching and regenerating as required.
2443
2444This function can block.
2445
2446=cut
2447
2448sub cache {
2449 my ($id, $src, $processversion, $process) = @_;
2450
2451 my $meta =
2452 join "\x00",
2453 $processversion,
2454 map {
2455 aio_stat $_
2456 and Carp::croak "$_: $!";
2457
2458 ($_, (stat _)[7,9])
2459 } @$src;
2460
2461 my $dbmeta = db_get cache => "$id/meta";
2462 if ($dbmeta ne $meta) {
2463 # changed, we may need to process
2464
2465 my @data;
2466 my $md5;
2467
2468 for (0 .. $#$src) {
2469 0 <= aio_load $src->[$_], $data[$_]
2470 or Carp::croak "$src->[$_]: $!";
2471 }
2472
2473 # if processing is expensive, check
2474 # checksum first
2475 if (1) {
2476 $md5 =
2477 join "\x00",
2478 $processversion,
2479 map {
2480 Coro::cede;
2481 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2482 } 0.. $#$src;
2483
2484
2485 my $dbmd5 = db_get cache => "$id/md5";
2486 if ($dbmd5 eq $md5) {
2487 db_put cache => "$id/meta", $meta;
2488
2489 return db_get cache => "$id/data";
2490 }
2491 }
2492
2493 my $t1 = Time::HiRes::time;
2494 my $data = $process->(\@data);
2495 my $t2 = Time::HiRes::time;
2496
2497 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2498
2499 db_put cache => "$id/data", $data;
2500 db_put cache => "$id/md5" , $md5;
2501 db_put cache => "$id/meta", $meta;
2502
2503 return $data;
2504 }
2505
2506 db_get cache => "$id/data"
2507}
2508
2509=item fork_call { }, $args
2510
2511Executes the given code block with the given arguments in a seperate
2512process, returning the results. Everything must be serialisable with
2513Coro::Storable. May, of course, block. Note that the executed sub may
2514never block itself or use any form of Event handling.
2515
2516=cut
2517
2518sub fork_call(&@) {
2519 my ($cb, @args) = @_;
2520
2521# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2522# or die "socketpair: $!";
2523 pipe my $fh1, my $fh2
2524 or die "pipe: $!";
2525
2526 if (my $pid = fork) {
2527 close $fh2;
2528
2529 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2530 $res = Coro::Storable::thaw $res;
2531
2532 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2533
2534 die $$res unless "ARRAY" eq ref $res;
2535
2536 return wantarray ? @$res : $res->[-1];
2537 } else {
2538 reset_signals;
2539 local $SIG{__WARN__};
2540 local $SIG{__DIE__};
2541 eval {
2542 close $fh1;
2543
2544 my @res = eval { $cb->(@args) };
2545 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2546 };
2547
2548 warn $@ if $@;
2549 _exit 0;
2550 }
2551}
2552
2553#############################################################################
2554# the server's init and main functions 3165# the server's init and main functions
2555 3166
2556sub load_facedata($) { 3167sub load_facedata($) {
2557 my ($path) = @_; 3168 my ($path) = @_;
3169
3170 # HACK to clear player env face cache, we need some signal framework
3171 # for this (global event?)
3172 %ext::player_env::MUSIC_FACE_CACHE = ();
3173
3174 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2558 3175
2559 warn "loading facedata from $path\n"; 3176 warn "loading facedata from $path\n";
2560 3177
2561 my $facedata; 3178 my $facedata;
2562 0 < aio_load $path, $facedata 3179 0 < aio_load $path, $facedata
2565 $facedata = Coro::Storable::thaw $facedata; 3182 $facedata = Coro::Storable::thaw $facedata;
2566 3183
2567 $facedata->{version} == 2 3184 $facedata->{version} == 2
2568 or cf::cleanup "$path: version mismatch, cannot proceed."; 3185 or cf::cleanup "$path: version mismatch, cannot proceed.";
2569 3186
3187 # patch in the exptable
3188 $facedata->{resource}{"res/exp_table"} = {
3189 type => FT_RSRC,
3190 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3191 };
3192 cf::cede_to_tick;
3193
2570 { 3194 {
2571 my $faces = $facedata->{faceinfo}; 3195 my $faces = $facedata->{faceinfo};
2572 3196
2573 while (my ($face, $info) = each %$faces) { 3197 while (my ($face, $info) = each %$faces) {
2574 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3198 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3199
2575 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3200 cf::face::set_visibility $idx, $info->{visibility};
3201 cf::face::set_magicmap $idx, $info->{magicmap};
2576 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3202 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2577 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3203 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2578 Coro::cede; 3204
3205 cf::cede_to_tick;
2579 } 3206 }
2580 3207
2581 while (my ($face, $info) = each %$faces) { 3208 while (my ($face, $info) = each %$faces) {
2582 next unless $info->{smooth}; 3209 next unless $info->{smooth};
3210
2583 my $idx = cf::face::find $face 3211 my $idx = cf::face::find $face
2584 or next; 3212 or next;
3213
2585 if (my $smooth = cf::face::find $info->{smooth}) { 3214 if (my $smooth = cf::face::find $info->{smooth}) {
3215 cf::face::set_smooth $idx, $smooth;
2586 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3216 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2587 } else { 3217 } else {
2588 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3218 warn "smooth face '$info->{smooth}' not found for face '$face'";
2589 } 3219 }
2590 Coro::cede; 3220
3221 cf::cede_to_tick;
2591 } 3222 }
2592 } 3223 }
2593 3224
2594 { 3225 {
2595 my $anims = $facedata->{animinfo}; 3226 my $anims = $facedata->{animinfo};
2596 3227
2597 while (my ($anim, $info) = each %$anims) { 3228 while (my ($anim, $info) = each %$anims) {
2598 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3229 cf::anim::set $anim, $info->{frames}, $info->{facings};
2599 Coro::cede; 3230 cf::cede_to_tick;
2600 } 3231 }
2601 3232
2602 cf::anim::invalidate_all; # d'oh 3233 cf::anim::invalidate_all; # d'oh
2603 } 3234 }
2604 3235
3236 {
3237 # TODO: for gcfclient pleasure, we should give resources
3238 # that gcfclient doesn't grok a >10000 face index.
3239 my $res = $facedata->{resource};
3240
3241 while (my ($name, $info) = each %$res) {
3242 if (defined $info->{type}) {
3243 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3244 my $data;
3245
3246 if ($info->{type} & 1) {
3247 # prepend meta info
3248
3249 my $meta = $enc->encode ({
3250 name => $name,
3251 %{ $info->{meta} || {} },
3252 });
3253
3254 $data = pack "(w/a*)*", $meta, $info->{data};
3255 } else {
3256 $data = $info->{data};
3257 }
3258
3259 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3260 cf::face::set_type $idx, $info->{type};
3261 } else {
3262 $RESOURCE{$name} = $info;
3263 }
3264
3265 cf::cede_to_tick;
3266 }
3267 }
3268
3269 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3270
2605 1 3271 1
2606} 3272}
2607 3273
3274cf::global->attach (on_resource_update => sub {
3275 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3276 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3277
3278 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3279 my $sound = $soundconf->{compat}[$_]
3280 or next;
3281
3282 my $face = cf::face::find "sound/$sound->[1]";
3283 cf::sound::set $sound->[0] => $face;
3284 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3285 }
3286
3287 while (my ($k, $v) = each %{$soundconf->{event}}) {
3288 my $face = cf::face::find "sound/$v";
3289 cf::sound::set $k => $face;
3290 }
3291 }
3292});
3293
3294register_exticmd fx_want => sub {
3295 my ($ns, $want) = @_;
3296
3297 while (my ($k, $v) = each %$want) {
3298 $ns->fx_want ($k, $v);
3299 }
3300};
3301
3302sub load_resource_file($) {
3303 my $guard = lock_acquire "load_resource_file";
3304
3305 my $status = load_resource_file_ $_[0];
3306 get_slot 0.1, 100;
3307 cf::arch::commit_load;
3308
3309 $status
3310}
3311
2608sub reload_regions { 3312sub reload_regions {
3313 # HACK to clear player env face cache, we need some signal framework
3314 # for this (global event?)
3315 %ext::player_env::MUSIC_FACE_CACHE = ();
3316
2609 load_resource_file "$MAPDIR/regions" 3317 load_resource_file "$MAPDIR/regions"
2610 or die "unable to load regions file\n"; 3318 or die "unable to load regions file\n";
3319
3320 for (cf::region::list) {
3321 $_->{match} = qr/$_->{match}/
3322 if exists $_->{match};
3323 }
2611} 3324}
2612 3325
2613sub reload_facedata { 3326sub reload_facedata {
2614 load_facedata "$DATADIR/facedata" 3327 load_facedata "$DATADIR/facedata"
2615 or die "unable to load facedata\n"; 3328 or die "unable to load facedata\n";
2626} 3339}
2627 3340
2628sub reload_resources { 3341sub reload_resources {
2629 warn "reloading resource files...\n"; 3342 warn "reloading resource files...\n";
2630 3343
3344 reload_facedata;
3345 reload_archetypes;
2631 reload_regions; 3346 reload_regions;
2632 reload_facedata;
2633 #reload_archetypes;#d#
2634 reload_archetypes;
2635 reload_treasures; 3347 reload_treasures;
2636 3348
2637 warn "finished reloading resource files\n"; 3349 warn "finished reloading resource files\n";
2638} 3350}
2639 3351
2640sub init { 3352sub init {
3353 my $guard = freeze_mainloop;
3354
3355 evthread_start IO::AIO::poll_fileno;
3356
2641 reload_resources; 3357 reload_resources;
2642} 3358}
2643 3359
2644sub cfg_load { 3360sub reload_config {
2645 open my $fh, "<:utf8", "$CONFDIR/config" 3361 open my $fh, "<:utf8", "$CONFDIR/config"
2646 or return; 3362 or return;
2647 3363
2648 local $/; 3364 local $/;
2649 *CFG = YAML::Syck::Load <$fh>; 3365 *CFG = YAML::Load <$fh>;
2650 3366
2651 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3367 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2652 3368
2653 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3369 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2654 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3370 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2660 }; 3376 };
2661 warn $@ if $@; 3377 warn $@ if $@;
2662 } 3378 }
2663} 3379}
2664 3380
3381sub pidfile() {
3382 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3383 or die "$PIDFILE: $!";
3384 flock $fh, &Fcntl::LOCK_EX
3385 or die "$PIDFILE: flock: $!";
3386 $fh
3387}
3388
3389# make sure only one server instance is running at any one time
3390sub atomic {
3391 my $fh = pidfile;
3392
3393 my $pid = <$fh>;
3394 kill 9, $pid if $pid > 0;
3395
3396 seek $fh, 0, 0;
3397 print $fh $$;
3398}
3399
2665sub main { 3400sub main {
3401 atomic;
3402
2666 # we must not ever block the main coroutine 3403 # we must not ever block the main coroutine
2667 local $Coro::idle = sub { 3404 local $Coro::idle = sub {
2668 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3405 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2669 (async { 3406 (async {
2670 Event::one_event; 3407 $Coro::current->{desc} = "IDLE BUG HANDLER";
3408 EV::loop EV::LOOP_ONESHOT;
2671 })->prio (Coro::PRIO_MAX); 3409 })->prio (Coro::PRIO_MAX);
2672 }; 3410 };
2673 3411
2674 cfg_load; 3412 {
3413 my $guard = freeze_mainloop;
3414 reload_config;
2675 db_init; 3415 db_init;
2676 load_extensions; 3416 load_extensions;
2677 3417
2678 $TICK_WATCHER->start; 3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419 }
3420
3421 utime time, time, $RUNTIMEFILE;
3422
3423 # no (long-running) fork's whatsoever before this point(!)
3424 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3425
2679 Event::loop; 3426 EV::loop;
2680} 3427}
2681 3428
2682############################################################################# 3429#############################################################################
2683# initialisation and cleanup 3430# initialisation and cleanup
2684 3431
2685# install some emergency cleanup handlers 3432# install some emergency cleanup handlers
2686BEGIN { 3433BEGIN {
3434 our %SIGWATCHER = ();
2687 for my $signal (qw(INT HUP TERM)) { 3435 for my $signal (qw(INT HUP TERM)) {
2688 Event->signal ( 3436 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2689 reentrant => 0,
2690 data => WF_AUTOCANCEL,
2691 signal => $signal,
2692 prio => 0,
2693 cb => sub {
2694 cf::cleanup "SIG$signal"; 3437 cf::cleanup "SIG$signal";
2695 },
2696 ); 3438 };
3439 }
3440}
3441
3442sub write_runtime_sync {
3443 # first touch the runtime file to show we are still running:
3444 # the fsync below can take a very very long time.
3445
3446 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3447
3448 my $guard = cf::lock_acquire "write_runtime";
3449
3450 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3451 or return;
3452
3453 my $value = $cf::RUNTIME + 90 + 10;
3454 # 10 is the runtime save interval, for a monotonic clock
3455 # 60 allows for the watchdog to kill the server.
3456
3457 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3458 and return;
3459
3460 # always fsync - this file is important
3461 aio_fsync $fh
3462 and return;
3463
3464 # touch it again to show we are up-to-date
3465 aio_utime $fh, undef, undef;
3466
3467 close $fh
3468 or return;
3469
3470 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3471 and return;
3472
3473 warn "runtime file written.\n";
3474
2697 } 3475 1
3476}
3477
3478our $uuid_lock;
3479our $uuid_skip;
3480
3481sub write_uuid_sync($) {
3482 $uuid_skip ||= $_[0];
3483
3484 return if $uuid_lock;
3485 local $uuid_lock = 1;
3486
3487 my $uuid = "$LOCALDIR/uuid";
3488
3489 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3490 or return;
3491
3492 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3493 $uuid_skip = 0;
3494
3495 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3496 and return;
3497
3498 # always fsync - this file is important
3499 aio_fsync $fh
3500 and return;
3501
3502 close $fh
3503 or return;
3504
3505 aio_rename "$uuid~", $uuid
3506 and return;
3507
3508 warn "uuid file written ($value).\n";
3509
3510 1
3511
3512}
3513
3514sub write_uuid($$) {
3515 my ($skip, $sync) = @_;
3516
3517 $sync ? write_uuid_sync $skip
3518 : async { write_uuid_sync $skip };
2698} 3519}
2699 3520
2700sub emergency_save() { 3521sub emergency_save() {
2701 my $freeze_guard = cf::freeze_mainloop; 3522 my $freeze_guard = cf::freeze_mainloop;
2702 3523
2708 # and maps saved/destroyed asynchronously. 3529 # and maps saved/destroyed asynchronously.
2709 warn "begin emergency player save\n"; 3530 warn "begin emergency player save\n";
2710 for my $login (keys %cf::PLAYER) { 3531 for my $login (keys %cf::PLAYER) {
2711 my $pl = $cf::PLAYER{$login} or next; 3532 my $pl = $cf::PLAYER{$login} or next;
2712 $pl->valid or next; 3533 $pl->valid or next;
3534 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713 $pl->save; 3535 $pl->save;
2714 } 3536 }
2715 warn "end emergency player save\n"; 3537 warn "end emergency player save\n";
2716 3538
2717 warn "begin emergency map save\n"; 3539 warn "begin emergency map save\n";
2723 warn "end emergency map save\n"; 3545 warn "end emergency map save\n";
2724 3546
2725 warn "begin emergency database checkpoint\n"; 3547 warn "begin emergency database checkpoint\n";
2726 BDB::db_env_txn_checkpoint $DB_ENV; 3548 BDB::db_env_txn_checkpoint $DB_ENV;
2727 warn "end emergency database checkpoint\n"; 3549 warn "end emergency database checkpoint\n";
3550
3551 warn "begin write uuid\n";
3552 write_uuid_sync 1;
3553 warn "end write uuid\n";
2728 }; 3554 };
2729 3555
2730 warn "leave emergency perl save\n"; 3556 warn "leave emergency perl save\n";
2731} 3557}
2732 3558
2733sub post_cleanup { 3559sub post_cleanup {
2734 my ($make_core) = @_; 3560 my ($make_core) = @_;
2735 3561
2736 warn Carp::longmess "post_cleanup backtrace" 3562 warn Carp::longmess "post_cleanup backtrace"
2737 if $make_core; 3563 if $make_core;
3564
3565 my $fh = pidfile;
3566 unlink $PIDFILE if <$fh> == $$;
2738} 3567}
3568
3569# a safer delete_package, copied from Symbol
3570sub clear_package($) {
3571 my $pkg = shift;
3572
3573 # expand to full symbol table name if needed
3574 unless ($pkg =~ /^main::.*::$/) {
3575 $pkg = "main$pkg" if $pkg =~ /^::/;
3576 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3577 $pkg .= '::' unless $pkg =~ /::$/;
3578 }
3579
3580 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3581 my $stem_symtab = *{$stem}{HASH};
3582
3583 defined $stem_symtab and exists $stem_symtab->{$leaf}
3584 or return;
3585
3586 # clear all symbols
3587 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3588 for my $name (keys %$leaf_symtab) {
3589 _gv_clear *{"$pkg$name"};
3590# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3591 }
3592 warn "cleared package #$pkg\n";#d#
3593}
3594
3595our $RELOAD; # how many times to reload
2739 3596
2740sub do_reload_perl() { 3597sub do_reload_perl() {
2741 # can/must only be called in main 3598 # can/must only be called in main
2742 if ($Coro::current != $Coro::main) { 3599 if ($Coro::current != $Coro::main) {
2743 warn "can only reload from main coroutine"; 3600 warn "can only reload from main coroutine";
2744 return; 3601 return;
2745 } 3602 }
2746 3603
3604 return if $RELOAD++;
3605
3606 while ($RELOAD) {
2747 warn "reloading..."; 3607 warn "reloading...";
2748 3608
2749 warn "entering sync_job"; 3609 warn "entering sync_job";
2750 3610
2751 cf::sync_job { 3611 cf::sync_job {
2752 cf::write_runtime; # external watchdog should not bark 3612 cf::write_runtime_sync; # external watchdog should not bark
2753 cf::emergency_save; 3613 cf::emergency_save;
2754 cf::write_runtime; # external watchdog should not bark 3614 cf::write_runtime_sync; # external watchdog should not bark
2755 3615
2756 warn "syncing database to disk"; 3616 warn "syncing database to disk";
2757 BDB::db_env_txn_checkpoint $DB_ENV; 3617 BDB::db_env_txn_checkpoint $DB_ENV;
2758 3618
2759 # if anything goes wrong in here, we should simply crash as we already saved 3619 # if anything goes wrong in here, we should simply crash as we already saved
2760 3620
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"; 3621 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; 3622 while (IO::AIO::nreqs || BDB::nreqs) {
2772 warn "iterate..."; 3623 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 } 3624 }
2797 3625
2798 warn "... nuking $pkg"; 3626 warn "cancelling all extension coros";
2799 Symbol::delete_package $pkg; 3627 $_->cancel for values %EXT_CORO;
2800 } 3628 %EXT_CORO = ();
2801 3629
2802 warn "unloading all perl modules loaded from $LIBDIR"; 3630 warn "removing commands";
2803 while (my ($k, $v) = each %INC) { 3631 %COMMAND = ();
2804 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805 3632
3633 warn "removing ext/exti commands";
3634 %EXTCMD = ();
3635 %EXTICMD = ();
3636
3637 warn "unloading/nuking all extensions";
3638 for my $pkg (@EXTS) {
2806 warn "... unloading $k"; 3639 warn "... unloading $pkg";
2807 delete $INC{$k};
2808 3640
2809 $k =~ s/\.pm$//;
2810 $k =~ s/\//::/g;
2811
2812 if (my $cb = $k->can ("unload_module")) { 3641 if (my $cb = $pkg->can ("unload")) {
3642 eval {
2813 $cb->(); 3643 $cb->($pkg);
3644 1
3645 } or warn "$pkg unloaded, but with errors: $@";
3646 }
3647
3648 warn "... clearing $pkg";
3649 clear_package $pkg;
2814 } 3650 }
2815 3651
2816 Symbol::delete_package $k; 3652 warn "unloading all perl modules loaded from $LIBDIR";
3653 while (my ($k, $v) = each %INC) {
3654 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3655
3656 warn "... unloading $k";
3657 delete $INC{$k};
3658
3659 $k =~ s/\.pm$//;
3660 $k =~ s/\//::/g;
3661
3662 if (my $cb = $k->can ("unload_module")) {
3663 $cb->();
3664 }
3665
3666 clear_package $k;
2817 } 3667 }
2818 3668
2819 warn "getting rid of safe::, as good as possible"; 3669 warn "getting rid of safe::, as good as possible";
2820 Symbol::delete_package "safe::$_" 3670 clear_package "safe::$_"
2821 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3671 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822 3672
2823 warn "unloading cf.pm \"a bit\""; 3673 warn "unloading cf.pm \"a bit\"";
2824 delete $INC{"cf.pm"}; 3674 delete $INC{"cf.pm"};
2825 delete $INC{"cf/pod.pm"}; 3675 delete $INC{"cf/pod.pm"};
2826 3676
2827 # don't, removes xs symbols, too, 3677 # don't, removes xs symbols, too,
2828 # and global variables created in xs 3678 # and global variables created in xs
2829 #Symbol::delete_package __PACKAGE__; 3679 #clear_package __PACKAGE__;
2830 3680
2831 warn "unload completed, starting to reload now"; 3681 warn "unload completed, starting to reload now";
2832 3682
2833 warn "reloading cf.pm"; 3683 warn "reloading cf.pm";
2834 require cf; 3684 require cf;
2835 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3685 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2836 3686
2837 warn "loading config and database again"; 3687 warn "loading config and database again";
2838 cf::cfg_load; 3688 cf::reload_config;
2839 3689
2840 warn "loading extensions"; 3690 warn "loading extensions";
2841 cf::load_extensions; 3691 cf::load_extensions;
2842 3692
2843 warn "reattaching attachments to objects/players"; 3693 warn "reattaching attachments to objects/players";
2844 _global_reattach; # objects, sockets 3694 _global_reattach; # objects, sockets
2845 warn "reattaching attachments to maps"; 3695 warn "reattaching attachments to maps";
2846 reattach $_ for values %MAP; 3696 reattach $_ for values %MAP;
2847 warn "reattaching attachments to players"; 3697 warn "reattaching attachments to players";
2848 reattach $_ for values %PLAYER; 3698 reattach $_ for values %PLAYER;
2849 3699
2850 warn "leaving sync_job"; 3700 warn "leaving sync_job";
2851 3701
2852 1 3702 1
2853 } or do { 3703 } or do {
2854 warn $@; 3704 warn $@;
2855 warn "error while reloading, exiting."; 3705 cf::cleanup "error while reloading, exiting.";
2856 exit 1;
2857 }; 3706 };
2858 3707
2859 warn "reloaded"; 3708 warn "reloaded";
3709 --$RELOAD;
3710 }
2860}; 3711};
2861 3712
2862our $RELOAD_WATCHER; # used only during reload 3713our $RELOAD_WATCHER; # used only during reload
2863 3714
2864sub reload_perl() { 3715sub reload_perl() {
2865 # doing reload synchronously and two reloads happen back-to-back, 3716 # doing reload synchronously and two reloads happen back-to-back,
2866 # coro crashes during coro_state_free->destroy here. 3717 # coro crashes during coro_state_free->destroy here.
2867 3718
2868 $RELOAD_WATCHER ||= Event->timer ( 3719 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2869 reentrant => 0,
2870 after => 0,
2871 data => WF_AUTOCANCEL,
2872 cb => sub {
2873 do_reload_perl; 3720 do_reload_perl;
2874 undef $RELOAD_WATCHER; 3721 undef $RELOAD_WATCHER;
2875 },
2876 ); 3722 };
2877} 3723}
2878 3724
2879register_command "reload" => sub { 3725register_command "reload" => sub {
2880 my ($who, $arg) = @_; 3726 my ($who, $arg) = @_;
2881 3727
2882 if ($who->flag (FLAG_WIZ)) { 3728 if ($who->flag (FLAG_WIZ)) {
2883 $who->message ("reloading server."); 3729 $who->message ("reloading server.");
3730 async {
3731 $Coro::current->{desc} = "perl_reload";
2884 async { reload_perl }; 3732 reload_perl;
3733 };
2885 } 3734 }
2886}; 3735};
2887 3736
2888unshift @INC, $LIBDIR; 3737unshift @INC, $LIBDIR;
2889 3738
2891 3740
2892our @WAIT_FOR_TICK; 3741our @WAIT_FOR_TICK;
2893our @WAIT_FOR_TICK_BEGIN; 3742our @WAIT_FOR_TICK_BEGIN;
2894 3743
2895sub wait_for_tick { 3744sub wait_for_tick {
2896 return unless $TICK_WATCHER->is_active;
2897 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2898 3746
2899 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2900 push @WAIT_FOR_TICK, $signal; 3748 push @WAIT_FOR_TICK, $signal;
2901 $signal->wait; 3749 $signal->wait;
2902} 3750}
2903 3751
2904sub wait_for_tick_begin { 3752sub wait_for_tick_begin {
2905 return unless $TICK_WATCHER->is_active;
2906 return if $Coro::current == $Coro::main; 3753 return if tick_inhibit || $Coro::current == $Coro::main;
2907 3754
2908 my $signal = new Coro::Signal; 3755 my $signal = new Coro::Signal;
2909 push @WAIT_FOR_TICK_BEGIN, $signal; 3756 push @WAIT_FOR_TICK_BEGIN, $signal;
2910 $signal->wait; 3757 $signal->wait;
2911} 3758}
2912 3759
2913 my $min = 1e6;#d# 3760sub 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) { 3761 if ($Coro::current != $Coro::main) {
2923 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3762 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924 unless ++$bug_warning > 10; 3763 unless ++$bug_warning > 10;
2925 return; 3764 return;
2926 } 3765 }
2927 3766
2928 $NOW = $tick_start = Event::time;
2929
2930 cf::server_tick; # one server iteration 3767 cf::server_tick; # one server iteration
2931 3768
2932 0 && sync_job {#d# 3769 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933 for(1..10) { 3770 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934 my $t = Event::time; 3771 Coro::async_pool {
2935 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3772 $Coro::current->{desc} = "runtime saver";
2936 or die; 3773 write_runtime_sync
2937 3774 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 }; 3775 };
3776 }
2954 3777
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) { 3778 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970 $sig->send; 3779 $sig->send;
2971 } 3780 }
2972 while (my $sig = shift @WAIT_FOR_TICK) { 3781 while (my $sig = shift @WAIT_FOR_TICK) {
2973 $sig->send; 3782 $sig->send;
2974 } 3783 }
2975 3784
2976 $NOW = Event::time; 3785 $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; 3786 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986 3787
2987 _post_tick; 3788 if (0) {
2988 3789 if ($NEXT_TICK) {
2989 3790 my $jitter = $TICK_START - $NEXT_TICK;
3791 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3792 warn "jitter $JITTER\n";#d#
3793 }
2990 }, 3794 }
2991); 3795}
2992 3796
2993{ 3797{
2994 BDB::max_poll_time $TICK * 0.1; 3798 # configure BDB
2995 $BDB_POLL_WATCHER = Event->io ( 3799
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; 3800 BDB::min_parallel 8;
3004 3801 BDB::max_poll_reqs $TICK * 0.1;
3005 BDB::set_sync_prepare { 3802 $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 3803
3020 unless ($DB_ENV) { 3804 unless ($DB_ENV) {
3021 $DB_ENV = BDB::db_env_create; 3805 $DB_ENV = BDB::db_env_create;
3806 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3807 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3808 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3809 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3810 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022 3811
3023 cf::sync_job { 3812 cf::sync_job {
3024 eval { 3813 eval {
3025 BDB::db_env_open 3814 BDB::db_env_open
3026 $DB_ENV, 3815 $DB_ENV,
3028 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3817 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3818 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030 0666; 3819 0666;
3031 3820
3032 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3821 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 }; 3822 };
3037 3823
3038 cf::cleanup "db_env_open(db): $@" if $@; 3824 cf::cleanup "db_env_open(db): $@" if $@;
3039 }; 3825 };
3040 } 3826 }
3827
3828 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3829 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3830 };
3831 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3832 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3833 };
3834 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3835 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3836 };
3041} 3837}
3042 3838
3043{ 3839{
3840 # configure IO::AIO
3841
3044 IO::AIO::min_parallel 8; 3842 IO::AIO::min_parallel 8;
3045
3046 undef $Coro::AIO::WATCHER;
3047 IO::AIO::max_poll_time $TICK * 0.1; 3843 IO::AIO::max_poll_time $TICK * 0.1;
3048 $AIO_POLL_WATCHER = Event->io ( 3844 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} 3845}
3057 3846
3058my $_log_backtrace; 3847my $_log_backtrace;
3059 3848
3060sub _log_backtrace { 3849sub _log_backtrace {
3063 $msg =~ s/\n//; 3852 $msg =~ s/\n//;
3064 3853
3065 # limit the # of concurrent backtraces 3854 # limit the # of concurrent backtraces
3066 if ($_log_backtrace < 2) { 3855 if ($_log_backtrace < 2) {
3067 ++$_log_backtrace; 3856 ++$_log_backtrace;
3857 my $perl_bt = Carp::longmess $msg;
3068 async { 3858 async {
3859 $Coro::current->{desc} = "abt $msg";
3860
3069 my @bt = fork_call { 3861 my @bt = fork_call {
3070 @addr = map { sprintf "%x", $_ } @addr; 3862 @addr = map { sprintf "%x", $_ } @addr;
3071 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3863 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3864 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073 or die "addr2line: $!"; 3865 or die "addr2line: $!";
3081 } 3873 }
3082 3874
3083 @funcs 3875 @funcs
3084 }; 3876 };
3085 3877
3086 LOG llevInfo, "[ABT] $msg\n"; 3878 LOG llevInfo, "[ABT] $perl_bt\n";
3879 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087 LOG llevInfo, "[ABT] $_\n" for @bt; 3880 LOG llevInfo, "[ABT] $_\n" for @bt;
3088 --$_log_backtrace; 3881 --$_log_backtrace;
3089 }; 3882 };
3090 } else { 3883 } else {
3091 LOG llevInfo, "[ABT] $msg\n"; 3884 LOG llevInfo, "[ABT] $msg\n";

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