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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.285 by root, Sun Jun 24 04:21:42 2007 UTC vs.
Revision 1.478 by root, Thu Sep 17 01:57:31 2009 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict qw(vars subs);
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Socket; 30use Socket;
9use Storable; 31use EV;
10use Event;
11use Opcode; 32use Opcode;
12use Safe; 33use Safe;
13use Safe::Hole; 34use Safe::Hole;
35use Storable ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5; 56use Digest::MD5;
28use Fcntl; 57use Fcntl;
29use YAML::Syck (); 58use YAML ();
30use IO::AIO 2.32 (); 59use IO::AIO ();
31use Time::HiRes; 60use Time::HiRes;
32use Compress::LZF; 61use Compress::LZF;
62use Digest::MD5 ();
63
64AnyEvent::detect;
33 65
34# configure various modules to our taste 66# configure various modules to our taste
35# 67#
36$Storable::canonical = 1; # reduce rsync transfers 68$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 76
40$Event::Eval = 1; # no idea why this is required, but it is 77# strictly for debugging
41 78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 79
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 81
49our %COMMAND = (); 82our %COMMAND = ();
50our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
51 84
52our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
56 90
57our $RELOAD; # number of reloads so far 91our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 92our @EVENT;
59 93
60our $CONFDIR = confdir; 94our $CONFDIR = confdir;
61our $DATADIR = datadir; 95our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 96our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 97our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 98our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 99our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 100our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 101our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 102our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 103our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 104our $BDBDIR = "$LOCALDIR/db";
105our $PIDFILE = "$LOCALDIR/pid";
106our $RUNTIMEFILE = "$LOCALDIR/runtime";
107
108our %RESOURCE;
71 109
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 110our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 111our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 112our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 113our $USE_FSYNC = 1; # use fsync to write maps - default on
79 114
115our $BDB_DEADLOCK_WATCHER;
116our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 117our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 118our $DB_ENV;
119
120our @EXTRA_MODULES = qw(pod mapscript);
82 121
83our %CFG; 122our %CFG;
84 123
85our $UPTIME; $UPTIME ||= time; 124our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 125our $RUNTIME;
126our $NOW;
87 127
88our %PLAYER; # all users 128our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 129our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 130our $LINK_MAP; # the special {link} map, which is always available
91 131
92# used to convert map paths into valid unix filenames by replacing / by ∕ 132# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 133our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 134
95our $LOAD; # a number between 0 (idle) and 1 (too many objects) 135our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96our $LOADAVG; # same thing, but with alpha-smoothing 136our $LOADAVG; # same thing, but with alpha-smoothing
137our $JITTER; # average jitter
97our $tick_start; # for load detecting purposes 138our $TICK_START; # for load detecting purposes
139
140our @POST_INIT;
141
142our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
143our $REALLY_UNLOOP; # never set to true, please :)
98 144
99binmode STDOUT; 145binmode STDOUT;
100binmode STDERR; 146binmode STDERR;
101 147
102# read virtual server time, if available 148# read virtual server time, if available
103unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 149unless ($RUNTIME || !-e $RUNTIMEFILE) {
104 open my $fh, "<", "$LOCALDIR/runtime" 150 open my $fh, "<", $RUNTIMEFILE
105 or die "unable to read runtime file: $!"; 151 or die "unable to read $RUNTIMEFILE file: $!";
106 $RUNTIME = <$fh> + 0.; 152 $RUNTIME = <$fh> + 0.;
107} 153}
154
155eval "sub TICK() { $TICK } 1" or die;
108 156
109mkdir $_ 157mkdir $_
110 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 158 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111 159
112our $EMERGENCY_POSITION; 160our $EMERGENCY_POSITION;
155 203
156The raw value load value from the last tick. 204The raw value load value from the last tick.
157 205
158=item %cf::CFG 206=item %cf::CFG
159 207
160Configuration for the server, loaded from C</etc/crossfire/config>, or 208Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161from wherever your confdir points to. 209from wherever your confdir points to.
162 210
163=item cf::wait_for_tick, cf::wait_for_tick_begin 211=item cf::wait_for_tick, cf::wait_for_tick_begin
164 212
165These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 213These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166returns directly I<after> the tick processing (and consequently, can only wake one process 214returns directly I<after> the tick processing (and consequently, can only wake one process
167per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 215per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168 216
217=item @cf::INVOKE_RESULTS
218
219This array contains the results of the last C<invoke ()> call. When
220C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
221that call.
222
169=back 223=back
170 224
171=cut 225=cut
172 226
173BEGIN { 227$Coro::State::WARNHOOK = sub {
174 *CORE::GLOBAL::warn = sub {
175 my $msg = join "", @_; 228 my $msg = join "", @_;
176 229
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, $msg;
184 }; 236};
185} 237
238$Coro::State::DIEHOOK = sub {
239 return unless $^S eq 0; # "eq", not "=="
240
241 warn Carp::longmess $_[0];
242
243 if ($Coro::current == $Coro::main) {#d#
244 warn "DIEHOOK called in main context, Coro bug?\n";#d#
245 return;#d#
246 }#d#
247
248 # kill coroutine otherwise
249 Coro::terminate
250};
186 251
187@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 252@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 253@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 254@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 255@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
197for my $pkg (qw( 262for my $pkg (qw(
198 cf::global cf::attachable 263 cf::global cf::attachable
199 cf::object cf::object::player 264 cf::object cf::object::player
200 cf::client cf::player 265 cf::client cf::player
201 cf::arch cf::living 266 cf::arch cf::living
267 cf::map cf::mapspace
202 cf::map cf::party cf::region 268 cf::party cf::region
203)) { 269)) {
204 no strict 'refs';
205 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 270 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206} 271}
207 272
208$Event::DIED = sub { 273$EV::DIED = sub {
209 warn "error in event callback: @_"; 274 warn "error in event callback: @_";
210}; 275};
211 276
212############################################################################# 277#############################################################################
213 278
236 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 301 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237 $d 302 $d
238 } || "[unable to dump $_[0]: '$@']"; 303 } || "[unable to dump $_[0]: '$@']";
239} 304}
240 305
241use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
242
243=item $ref = cf::from_json $json 306=item $ref = cf::decode_json $json
244 307
245Converts a JSON string into the corresponding perl data structure. 308Converts a JSON string into the corresponding perl data structure.
246 309
247=item $json = cf::to_json $ref 310=item $json = cf::encode_json $ref
248 311
249Converts a perl data structure into its JSON representation. 312Converts a perl data structure into its JSON representation.
250 313
314=cut
315
316our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
317
318sub encode_json($) { $json_coder->encode ($_[0]) }
319sub decode_json($) { $json_coder->decode ($_[0]) }
320
321=item cf::post_init { BLOCK }
322
323Execute the given codeblock, I<after> all extensions have been (re-)loaded,
324but I<before> the server starts ticking again.
325
326The cdoeblock will have a single boolean argument to indicate whether this
327is a reload or not.
328
329=cut
330
331sub post_init(&) {
332 push @POST_INIT, shift;
333}
334
251=item cf::lock_wait $string 335=item cf::lock_wait $string
252 336
253Wait until the given lock is available. See cf::lock_acquire. 337Wait until the given lock is available. See cf::lock_acquire.
254 338
255=item my $lock = cf::lock_acquire $string 339=item my $lock = cf::lock_acquire $string
256 340
257Wait until the given lock is available and then acquires it and returns 341Wait until the given lock is available and then acquires it and returns
258a Coro::guard object. If the guard object gets destroyed (goes out of scope, 342a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259for example when the coroutine gets canceled), the lock is automatically 343for example when the coroutine gets canceled), the lock is automatically
260returned. 344returned.
261 345
346Locks are *not* recursive, locking from the same coro twice results in a
347deadlocked coro.
348
262Lock names should begin with a unique identifier (for example, cf::map::find 349Lock names should begin with a unique identifier (for example, cf::map::find
263uses map_find and cf::map::load uses map_load). 350uses map_find and cf::map::load uses map_load).
264 351
265=item $locked = cf::lock_active $string 352=item $locked = cf::lock_active $string
266 353
267Return true if the lock is currently active, i.e. somebody has locked it. 354Return true if the lock is currently active, i.e. somebody has locked it.
268 355
269=cut 356=cut
270 357
271our %LOCK; 358our $LOCKS = new Coro::SemaphoreSet;
272 359
273sub lock_wait($) { 360sub lock_wait($) {
274 my ($key) = @_; 361 $LOCKS->wait ($_[0]);
275
276 # wait for lock, if any
277 while ($LOCK{$key}) {
278 push @{ $LOCK{$key} }, $Coro::current;
279 Coro::schedule;
280 }
281} 362}
282 363
283sub lock_acquire($) { 364sub lock_acquire($) {
284 my ($key) = @_; 365 $LOCKS->guard ($_[0])
285
286 # wait, to be sure we are not locked
287 lock_wait $key;
288
289 $LOCK{$key} = [];
290
291 Coro::guard {
292 # wake up all waiters, to be on the safe side
293 $_->ready for @{ delete $LOCK{$key} };
294 }
295} 366}
296 367
297sub lock_active($) { 368sub lock_active($) {
298 my ($key) = @_; 369 $LOCKS->count ($_[0]) < 1
299
300 ! ! $LOCK{$key}
301} 370}
302 371
303sub freeze_mainloop { 372sub freeze_mainloop {
304 return unless $TICK_WATCHER->is_active; 373 tick_inhibit_inc;
305 374
306 my $guard = Coro::guard { 375 &Guard::guard (\&tick_inhibit_dec);
307 $TICK_WATCHER->start; 376}
377
378=item cf::periodic $interval, $cb
379
380Like EV::periodic, but randomly selects a starting point so that the actions
381get spread over timer.
382
383=cut
384
385sub periodic($$) {
386 my ($interval, $cb) = @_;
387
388 my $start = rand List::Util::min 180, $interval;
389
390 EV::periodic $start, $interval, 0, $cb
391}
392
393=item cf::get_slot $time[, $priority[, $name]]
394
395Allocate $time seconds of blocking CPU time at priority C<$priority>:
396This call blocks and returns only when you have at least C<$time> seconds
397of cpu time till the next tick. The slot is only valid till the next cede.
398
399The optional C<$name> can be used to identify the job to run. It might be
400used for statistical purposes and should identify the same time-class.
401
402Useful for short background jobs.
403
404=cut
405
406our @SLOT_QUEUE;
407our $SLOT_QUEUE;
408
409$SLOT_QUEUE->cancel if $SLOT_QUEUE;
410$SLOT_QUEUE = Coro::async {
411 $Coro::current->desc ("timeslot manager");
412
413 my $signal = new Coro::Signal;
414
415 while () {
416 next_job:
417 my $avail = cf::till_tick;
418 if ($avail > 0.01) {
419 for (0 .. $#SLOT_QUEUE) {
420 if ($SLOT_QUEUE[$_][0] < $avail) {
421 my $job = splice @SLOT_QUEUE, $_, 1, ();
422 $job->[2]->send;
423 Coro::cede;
424 goto next_job;
425 }
426 }
427 }
428
429 if (@SLOT_QUEUE) {
430 # we do not use wait_for_tick() as it returns immediately when tick is inactive
431 push @cf::WAIT_FOR_TICK, $signal;
432 $signal->wait;
433 } else {
434 Coro::schedule;
435 }
308 }; 436 }
309 $TICK_WATCHER->stop; 437};
310 $guard 438
439sub get_slot($;$$) {
440 return if tick_inhibit || $Coro::current == $Coro::main;
441
442 my ($time, $pri, $name) = @_;
443
444 $time = $TICK * .6 if $time > $TICK * .6;
445 my $sig = new Coro::Signal;
446
447 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
448 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
449 $SLOT_QUEUE->ready;
450 $sig->wait;
311} 451}
312 452
313=item cf::async { BLOCK } 453=item cf::async { BLOCK }
314 454
315Currently the same as Coro::async_pool, meaning you cannot use 455Currently the same as Coro::async_pool, meaning you cannot use
320 460
321BEGIN { *async = \&Coro::async_pool } 461BEGIN { *async = \&Coro::async_pool }
322 462
323=item cf::sync_job { BLOCK } 463=item cf::sync_job { BLOCK }
324 464
325The design of Crossfire TRT requires that the main coroutine ($Coro::main) 465The design of Deliantra requires that the main coroutine ($Coro::main)
326is always able to handle events or runnable, as Crossfire TRT is only 466is always able to handle events or runnable, as Deliantra is only
327partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 467partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328acceptable. 468acceptable.
329 469
330If it must be done, put the blocking parts into C<sync_job>. This will run 470If it must be done, put the blocking parts into C<sync_job>. This will run
331the given BLOCK in another coroutine while waiting for the result. The 471the given BLOCK in another coroutine while waiting for the result. The
336 476
337sub sync_job(&) { 477sub sync_job(&) {
338 my ($job) = @_; 478 my ($job) = @_;
339 479
340 if ($Coro::current == $Coro::main) { 480 if ($Coro::current == $Coro::main) {
341 my $time = Event::time; 481 my $time = EV::time;
342 482
343 # this is the main coro, too bad, we have to block 483 # this is the main coro, too bad, we have to block
344 # till the operation succeeds, freezing the server :/ 484 # till the operation succeeds, freezing the server :/
345 485
346 # TODO: use suspend/resume instead 486 LOG llevError, Carp::longmess "sync job";#d#
347 # (but this is cancel-safe) 487
348 my $freeze_guard = freeze_mainloop; 488 my $freeze_guard = freeze_mainloop;
349 489
350 my $busy = 1; 490 my $busy = 1;
351 my @res; 491 my @res;
352 492
353 (async { 493 (async {
494 $Coro::current->desc ("sync job coro");
354 @res = eval { $job->() }; 495 @res = eval { $job->() };
355 warn $@ if $@; 496 warn $@ if $@;
356 undef $busy; 497 undef $busy;
357 })->prio (Coro::PRIO_MAX); 498 })->prio (Coro::PRIO_MAX);
358 499
359 while ($busy) { 500 while ($busy) {
360 Coro::cede or Event::one_event; 501 if (Coro::nready) {
502 Coro::cede_notself;
503 } else {
504 EV::loop EV::LOOP_ONESHOT;
361 } 505 }
506 }
362 507
363 $time = Event::time - $time; 508 my $time = EV::time - $time;
364 509
365 LOG llevError | logBacktrace, Carp::longmess "long sync job"
366 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368 $tick_start += $time; # do not account sync jobs to server load 510 $TICK_START += $time; # do not account sync jobs to server load
369 511
370 wantarray ? @res : $res[0] 512 wantarray ? @res : $res[0]
371 } else { 513 } else {
372 # we are in another coroutine, how wonderful, everything just works 514 # we are in another coroutine, how wonderful, everything just works
373 515
398=item fork_call { }, $args 540=item fork_call { }, $args
399 541
400Executes the given code block with the given arguments in a seperate 542Executes the given code block with the given arguments in a seperate
401process, returning the results. Everything must be serialisable with 543process, returning the results. Everything must be serialisable with
402Coro::Storable. May, of course, block. Note that the executed sub may 544Coro::Storable. May, of course, block. Note that the executed sub may
403never block itself or use any form of Event handling. 545never block itself or use any form of event handling.
404 546
405=cut 547=cut
406 548
407sub fork_call(&@) { 549sub fork_call(&@) {
408 my ($cb, @args) = @_; 550 my ($cb, @args) = @_;
409 551
410# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 552 # we seemingly have to make a local copy of the whole thing,
411# or die "socketpair: $!"; 553 # otherwise perl prematurely frees the stuff :/
412 pipe my $fh1, my $fh2 554 # TODO: investigate and fix (likely this will be rather laborious)
413 or die "pipe: $!";
414 555
415 if (my $pid = fork) { 556 my @res = Coro::Util::fork_eval {
416 close $fh2;
417
418 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
419 $res = Coro::Storable::thaw $res;
420
421 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423 die $$res unless "ARRAY" eq ref $res;
424
425 return wantarray ? @$res : $res->[-1];
426 } else {
427 reset_signals; 557 reset_signals;
428 local $SIG{__WARN__}; 558 &$cb
429 local $SIG{__DIE__}; 559 }, @args;
430 eval {
431 close $fh1;
432 560
433 my @res = eval { $cb->(@args) }; 561 wantarray ? @res : $res[-1]
434 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); 562}
435 };
436 563
437 warn $@ if $@; 564=item $coin = coin_from_name $name
438 _exit 0; 565
439 } 566=cut
567
568our %coin_alias = (
569 "silver" => "silvercoin",
570 "silvercoin" => "silvercoin",
571 "silvercoins" => "silvercoin",
572 "gold" => "goldcoin",
573 "goldcoin" => "goldcoin",
574 "goldcoins" => "goldcoin",
575 "platinum" => "platinacoin",
576 "platinumcoin" => "platinacoin",
577 "platinumcoins" => "platinacoin",
578 "platina" => "platinacoin",
579 "platinacoin" => "platinacoin",
580 "platinacoins" => "platinacoin",
581 "royalty" => "royalty",
582 "royalties" => "royalty",
583);
584
585sub coin_from_name($) {
586 $coin_alias{$_[0]}
587 ? cf::arch::find $coin_alias{$_[0]}
588 : undef
440} 589}
441 590
442=item $value = cf::db_get $family => $key 591=item $value = cf::db_get $family => $key
443 592
444Returns a single value from the environment database. 593Returns a single value from the environment database.
446=item cf::db_put $family => $key => $value 595=item cf::db_put $family => $key => $value
447 596
448Stores the given C<$value> in the family. It can currently store binary 597Stores the given C<$value> in the family. It can currently store binary
449data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 598data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450 599
600=item $db = cf::db_table "name"
601
602Create and/or open a new database table. The string must not be "db" and must be unique
603within each server.
604
451=cut 605=cut
606
607sub db_table($) {
608 my ($name) = @_;
609 my $db = BDB::db_create $DB_ENV;
610
611 eval {
612 $db->set_flags (BDB::CHKSUM);
613
614 utf8::encode $name;
615 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
616 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
617 cf::cleanup "db_open(db): $!" if $!;
618 };
619 cf::cleanup "db_open(db): $@" if $@;
620
621 $db
622}
452 623
453our $DB; 624our $DB;
454 625
455sub db_init { 626sub db_init {
456 unless ($DB) {
457 $DB = BDB::db_create $DB_ENV;
458
459 cf::sync_job { 627 cf::sync_job {
460 eval { 628 $DB ||= db_table "db";
461 $DB->set_flags (BDB::CHKSUM);
462
463 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465 cf::cleanup "db_open(db): $!" if $!;
466 };
467 cf::cleanup "db_open(db): $@" if $@;
468 };
469 } 629 };
470} 630}
471 631
472sub db_get($$) { 632sub db_get($$) {
473 my $key = "$_[0]/$_[1]"; 633 my $key = "$_[0]/$_[1]";
474 634
524 if (1) { 684 if (1) {
525 $md5 = 685 $md5 =
526 join "\x00", 686 join "\x00",
527 $processversion, 687 $processversion,
528 map { 688 map {
529 Coro::cede; 689 cf::cede_to_tick;
530 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 690 ($src->[$_], Digest::MD5::md5_hex $data[$_])
531 } 0.. $#$src; 691 } 0.. $#$src;
532 692
533 693
534 my $dbmd5 = db_get cache => "$id/md5"; 694 my $dbmd5 = db_get cache => "$id/md5";
572 732
573############################################################################# 733#############################################################################
574 734
575=head2 ATTACHABLE OBJECTS 735=head2 ATTACHABLE OBJECTS
576 736
577Many objects in crossfire are so-called attachable objects. That means you can 737Many objects in deliantra are so-called attachable objects. That means you can
578attach callbacks/event handlers (a collection of which is called an "attachment") 738attach callbacks/event handlers (a collection of which is called an "attachment")
579to it. All such attachable objects support the following methods. 739to it. All such attachable objects support the following methods.
580 740
581In the following description, CLASS can be any of C<global>, C<object> 741In the following description, CLASS can be any of C<global>, C<object>
582C<player>, C<client> or C<map> (i.e. the attachable objects in 742C<player>, C<client> or C<map> (i.e. the attachable objects in
583Crossfire TRT). 743Deliantra).
584 744
585=over 4 745=over 4
586 746
587=item $attachable->attach ($attachment, key => $value...) 747=item $attachable->attach ($attachment, key => $value...)
588 748
632=item cf::CLASS::attachment $name, ... 792=item cf::CLASS::attachment $name, ...
633 793
634Register an attachment by C<$name> through which attachable objects of the 794Register an attachment by C<$name> through which attachable objects of the
635given CLASS can refer to this attachment. 795given CLASS can refer to this attachment.
636 796
637Some classes such as crossfire maps and objects can specify attachments 797Some classes such as deliantra maps and objects can specify attachments
638that are attached at load/instantiate time, thus the need for a name. 798that are attached at load/instantiate time, thus the need for a name.
639 799
640These calls expect any number of the following handler/hook descriptions: 800These calls expect any number of the following handler/hook descriptions:
641 801
642=over 4 802=over 4
840 "; 1000 ";
841 die if $@; 1001 die if $@;
842} 1002}
843 1003
844our $override; 1004our $override;
845our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1005our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846 1006
847sub override { 1007sub override {
848 $override = 1; 1008 $override = 1;
849 @invoke_results = (); 1009 @INVOKE_RESULTS = (@_);
850} 1010}
851 1011
852sub do_invoke { 1012sub do_invoke {
853 my $event = shift; 1013 my $event = shift;
854 my $callbacks = shift; 1014 my $callbacks = shift;
855 1015
856 @invoke_results = (); 1016 @INVOKE_RESULTS = ();
857 1017
858 local $override; 1018 local $override;
859 1019
860 for (@$callbacks) { 1020 for (@$callbacks) {
861 eval { &{$_->[1]} }; 1021 eval { &{$_->[1]} };
870 } 1030 }
871 1031
872 0 1032 0
873} 1033}
874 1034
875=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1035=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876 1036
877=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1037=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878 1038
879Generate an object-specific event with the given arguments. 1039Generate an object-specific event with the given arguments.
880 1040
881This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1041This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882removed in future versions), and there is no public API to access override 1042removed in future versions), and there is no public API to access override
883results (if you must, access C<@cf::invoke_results> directly). 1043results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884 1044
885=back 1045=back
886 1046
887=cut 1047=cut
888 1048
889############################################################################# 1049#############################################################################
890# object support 1050# object support
1051
1052sub _object_equal($$);
1053sub _object_equal($$) {
1054 my ($a, $b) = @_;
1055
1056 return 0 unless (ref $a) eq (ref $b);
1057
1058 if ("HASH" eq ref $a) {
1059 my @ka = keys %$a;
1060 my @kb = keys %$b;
1061
1062 return 0 if @ka != @kb;
1063
1064 for (0 .. $#ka) {
1065 return 0 unless $ka[$_] eq $kb[$_];
1066 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1067 }
1068
1069 } elsif ("ARRAY" eq ref $a) {
1070
1071 return 0 if @$a != @$b;
1072
1073 for (0 .. $#$a) {
1074 return 0 unless _object_equal $a->[$_], $b->[$_];
1075 }
1076
1077 } elsif ($a ne $b) {
1078 return 0;
1079 }
1080
1081 1
1082}
1083
1084our $SLOW_MERGES;#d#
1085sub _can_merge {
1086 my ($ob1, $ob2) = @_;
1087
1088 ++$SLOW_MERGES;#d#
1089
1090 # we do the slow way here
1091 return _object_equal $ob1, $ob2
1092}
891 1093
892sub reattach { 1094sub reattach {
893 # basically do the same as instantiate, without calling instantiate 1095 # basically do the same as instantiate, without calling instantiate
894 my ($obj) = @_; 1096 my ($obj) = @_;
895 1097
1098 # no longer needed after getting rid of delete_package?
896 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1099 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897 1100
898 my $registry = $obj->registry; 1101 my $registry = $obj->registry;
899 1102
900 @$registry = (); 1103 @$registry = ();
901 1104
916cf::attachable->attach ( 1119cf::attachable->attach (
917 prio => -1000000, 1120 prio => -1000000,
918 on_instantiate => sub { 1121 on_instantiate => sub {
919 my ($obj, $data) = @_; 1122 my ($obj, $data) = @_;
920 1123
921 $data = from_json $data; 1124 $data = decode_json $data;
922 1125
923 for (@$data) { 1126 for (@$data) {
924 my ($name, $args) = @$_; 1127 my ($name, $args) = @$_;
925 1128
926 $obj->attach ($name, %{$args || {} }); 1129 $obj->attach ($name, %{$args || {} });
942sub object_freezer_save { 1145sub object_freezer_save {
943 my ($filename, $rdata, $objs) = @_; 1146 my ($filename, $rdata, $objs) = @_;
944 1147
945 sync_job { 1148 sync_job {
946 if (length $$rdata) { 1149 if (length $$rdata) {
1150 utf8::decode (my $decname = $filename);
947 warn sprintf "saving %s (%d,%d)\n", 1151 warn sprintf "saving %s (%d,%d)\n",
948 $filename, length $$rdata, scalar @$objs; 1152 $decname, length $$rdata, scalar @$objs;
949 1153
950 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1154 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951 chmod SAVE_MODE, $fh; 1155 aio_chmod $fh, SAVE_MODE;
952 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1156 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953 aio_fsync $fh if $cf::USE_FSYNC; 1157 if ($cf::USE_FSYNC) {
1158 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1159 aio_fsync $fh;
1160 }
954 close $fh; 1161 aio_close $fh;
955 1162
956 if (@$objs) { 1163 if (@$objs) {
957 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1164 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958 chmod SAVE_MODE, $fh; 1165 aio_chmod $fh, SAVE_MODE;
959 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1166 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960 aio_write $fh, 0, (length $data), $data, 0; 1167 aio_write $fh, 0, (length $data), $data, 0;
961 aio_fsync $fh if $cf::USE_FSYNC; 1168 if ($cf::USE_FSYNC) {
1169 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1170 aio_fsync $fh;
1171 }
962 close $fh; 1172 aio_close $fh;
963 aio_rename "$filename.pst~", "$filename.pst"; 1173 aio_rename "$filename.pst~", "$filename.pst";
964 } 1174 }
965 } else { 1175 } else {
966 aio_unlink "$filename.pst"; 1176 aio_unlink "$filename.pst";
967 } 1177 }
968 1178
969 aio_rename "$filename~", $filename; 1179 aio_rename "$filename~", $filename;
1180
1181 $filename =~ s%/[^/]+$%%;
1182 aio_pathsync $filename if $cf::USE_FSYNC;
970 } else { 1183 } else {
971 warn "FATAL: $filename~: $!\n"; 1184 warn "unable to save objects: $filename~: $!\n";
972 } 1185 }
973 } else { 1186 } else {
974 aio_unlink $filename; 1187 aio_unlink $filename;
975 aio_unlink "$filename.pst"; 1188 aio_unlink "$filename.pst";
976 } 1189 }
977 } 1190 };
978} 1191}
979 1192
980sub object_freezer_as_string { 1193sub object_freezer_as_string {
981 my ($rdata, $objs) = @_; 1194 my ($rdata, $objs) = @_;
982 1195
994 or return; 1207 or return;
995 1208
996 unless (aio_stat "$filename.pst") { 1209 unless (aio_stat "$filename.pst") {
997 (aio_load "$filename.pst", $av) >= 0 1210 (aio_load "$filename.pst", $av) >= 0
998 or return; 1211 or return;
1212
999 $av = eval { (Storable::thaw $av)->{objs} }; 1213 my $st = eval { Coro::Storable::thaw $av };
1214 $av = $st->{objs};
1000 } 1215 }
1001 1216
1217 utf8::decode (my $decname = $filename);
1002 warn sprintf "loading %s (%d)\n", 1218 warn sprintf "loading %s (%d,%d)\n",
1003 $filename, length $data, scalar @{$av || []}; 1219 $decname, length $data, scalar @{$av || []};
1220
1004 return ($data, $av); 1221 ($data, $av)
1005} 1222}
1006 1223
1007=head2 COMMAND CALLBACKS 1224=head2 COMMAND CALLBACKS
1008 1225
1009=over 4 1226=over 4
1029 push @{ $COMMAND{$name} }, [$caller, $cb]; 1246 push @{ $COMMAND{$name} }, [$caller, $cb];
1030} 1247}
1031 1248
1032=item cf::register_extcmd $name => \&callback($pl,$packet); 1249=item cf::register_extcmd $name => \&callback($pl,$packet);
1033 1250
1034Register a callback fro execution when the client sends an extcmd packet. 1251Register a callback for execution when the client sends an (synchronous)
1252extcmd packet. Ext commands will be processed in the order they are
1253received by the server, like other user commands. The first argument is
1254the logged-in player. Ext commands can only be processed after a player
1255has logged in successfully.
1035 1256
1036If the callback returns something, it is sent back as if reply was being 1257If the callback returns something, it is sent back as if reply was being
1037called. 1258called.
1038 1259
1260=item cf::register_exticmd $name => \&callback($ns,$packet);
1261
1262Register a callback for execution when the client sends an (asynchronous)
1263exticmd packet. Exti commands are processed by the server as soon as they
1264are received, i.e. out of order w.r.t. other commands. The first argument
1265is a client socket. Exti commands can be received anytime, even before
1266log-in.
1267
1268If the callback returns something, it is sent back as if reply was being
1269called.
1270
1039=cut 1271=cut
1040 1272
1041sub register_extcmd { 1273sub register_extcmd {
1042 my ($name, $cb) = @_; 1274 my ($name, $cb) = @_;
1043 1275
1044 $EXTCMD{$name} = $cb; 1276 $EXTCMD{$name} = $cb;
1045} 1277}
1278
1279sub register_exticmd {
1280 my ($name, $cb) = @_;
1281
1282 $EXTICMD{$name} = $cb;
1283}
1284
1285use File::Glob ();
1046 1286
1047cf::player->attach ( 1287cf::player->attach (
1048 on_command => sub { 1288 on_command => sub {
1049 my ($pl, $name, $params) = @_; 1289 my ($pl, $name, $params) = @_;
1050 1290
1058 cf::override; 1298 cf::override;
1059 }, 1299 },
1060 on_extcmd => sub { 1300 on_extcmd => sub {
1061 my ($pl, $buf) = @_; 1301 my ($pl, $buf) = @_;
1062 1302
1063 my $msg = eval { from_json $buf }; 1303 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064 1304
1065 if (ref $msg) { 1305 if (ref $msg) {
1306 my ($type, $reply, @payload) =
1307 "ARRAY" eq ref $msg
1308 ? @$msg
1309 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1310
1311 my @reply;
1312
1066 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1313 if (my $cb = $EXTCMD{$type}) {
1067 if (my %reply = $cb->($pl, $msg)) { 1314 @reply = $cb->($pl, @payload);
1068 $pl->ext_reply ($msg->{msgid}, %reply);
1069 }
1070 } 1315 }
1316
1317 $pl->ext_reply ($reply, @reply)
1318 if $reply;
1319
1071 } else { 1320 } else {
1072 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1321 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073 } 1322 }
1074 1323
1075 cf::override; 1324 cf::override;
1076 }, 1325 },
1077); 1326);
1327
1328# "readahead" all extensions
1329sub cache_extensions {
1330 my $grp = IO::AIO::aio_group;
1331
1332 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1333 for (grep /\.ext$/, @{$_[0]}) {
1334 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1335 }
1336 };
1337
1338 $grp
1339}
1078 1340
1079sub load_extensions { 1341sub load_extensions {
1080 cf::sync_job { 1342 cf::sync_job {
1081 my %todo; 1343 my %todo;
1082 1344
1102 1364
1103 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1365 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1366 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105 1367
1106 $ext{source} = 1368 $ext{source} =
1107 "package $pkg; use strict; use utf8;\n" 1369 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1108 . "#line 1 \"$path\"\n{\n" 1370 . "#line 1 \"$path\"\n{\n"
1109 . $source 1371 . $source
1110 . "\n};\n1"; 1372 . "\n};\n1";
1111 1373
1112 $todo{$base} = \%ext; 1374 $todo{$base} = \%ext;
1128 my $msg = $@ ? "$v->{path}: $@\n" 1390 my $msg = $@ ? "$v->{path}: $@\n"
1129 : "$v->{base}: extension inactive.\n"; 1391 : "$v->{base}: extension inactive.\n";
1130 1392
1131 if (exists $v->{meta}{mandatory}) { 1393 if (exists $v->{meta}{mandatory}) {
1132 warn $msg; 1394 warn $msg;
1133 warn "mandatory extension failed to load, exiting.\n"; 1395 cf::cleanup "mandatory extension failed to load, exiting.";
1134 exit 1;
1135 } 1396 }
1136 1397
1137 warn $msg; 1398 warn $msg;
1138 } 1399 }
1139 1400
1153 1414
1154=back 1415=back
1155 1416
1156=head2 CORE EXTENSIONS 1417=head2 CORE EXTENSIONS
1157 1418
1158Functions and methods that extend core crossfire objects. 1419Functions and methods that extend core deliantra objects.
1159 1420
1160=cut 1421=cut
1161 1422
1162package cf::player; 1423package cf::player;
1163 1424
1164use Coro::AIO; 1425use Coro::AIO;
1165 1426
1166=head3 cf::player 1427=head3 cf::player
1167 1428
1168=over 4 1429=over 4
1430
1431=item cf::player::num_playing
1432
1433Returns the official number of playing players, as per the Crossfire metaserver rules.
1434
1435=cut
1436
1437sub num_playing {
1438 scalar grep
1439 $_->ob->map
1440 && !$_->hidden
1441 && !$_->ob->flag (cf::FLAG_WIZ),
1442 cf::player::list
1443}
1169 1444
1170=item cf::player::find $login 1445=item cf::player::find $login
1171 1446
1172Returns the given player object, loading it if necessary (might block). 1447Returns the given player object, loading it if necessary (might block).
1173 1448
1192 1467
1193sub exists($) { 1468sub exists($) {
1194 my ($login) = @_; 1469 my ($login) = @_;
1195 1470
1196 $cf::PLAYER{$login} 1471 $cf::PLAYER{$login}
1197 or cf::sync_job { !aio_stat path $login } 1472 or !aio_stat path $login
1198} 1473}
1199 1474
1200sub find($) { 1475sub find($) {
1201 return $cf::PLAYER{$_[0]} || do { 1476 return $cf::PLAYER{$_[0]} || do {
1202 my $login = $_[0]; 1477 my $login = $_[0];
1209 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1484 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1485 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1486 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212 aio_unlink +(playerdir $login) . "/$login.pl"; 1487 aio_unlink +(playerdir $login) . "/$login.pl";
1213 1488
1214 my $pl = load_pl path $login 1489 my $f = new_from_file cf::object::thawer path $login
1215 or return; 1490 or return;
1491
1492 my $pl = cf::player::load_pl $f
1493 or return;
1494
1495 local $cf::PLAYER_LOADING{$login} = $pl;
1496 $f->resolve_delayed_derefs;
1216 $cf::PLAYER{$login} = $pl 1497 $cf::PLAYER{$login} = $pl
1217 } 1498 }
1218 } 1499 }
1219} 1500}
1220 1501
1229 return if $pl->{deny_save}; 1510 return if $pl->{deny_save};
1230 1511
1231 aio_mkdir playerdir $pl, 0770; 1512 aio_mkdir playerdir $pl, 0770;
1232 $pl->{last_save} = $cf::RUNTIME; 1513 $pl->{last_save} = $cf::RUNTIME;
1233 1514
1515 cf::get_slot 0.01;
1516
1234 $pl->save_pl ($path); 1517 $pl->save_pl ($path);
1235 Coro::cede; 1518 cf::cede_to_tick;
1236} 1519}
1237 1520
1238sub new($) { 1521sub new($) {
1239 my ($login) = @_; 1522 my ($login) = @_;
1240 1523
1246 $cf::PLAYER{$login} = $self; 1529 $cf::PLAYER{$login} = $self;
1247 1530
1248 $self 1531 $self
1249} 1532}
1250 1533
1534=item $player->send_msg ($channel, $msg, $color, [extra...])
1535
1536=cut
1537
1538sub send_msg {
1539 my $ns = shift->ns
1540 or return;
1541 $ns->send_msg (@_);
1542}
1543
1251=item $pl->quit_character 1544=item $pl->quit_character
1252 1545
1253Nukes the player without looking back. If logged in, the connection will 1546Nukes the player without looking back. If logged in, the connection will
1254be destroyed. May block for a long time. 1547be destroyed. May block for a long time.
1255 1548
1259 my ($pl) = @_; 1552 my ($pl) = @_;
1260 1553
1261 my $name = $pl->ob->name; 1554 my $name = $pl->ob->name;
1262 1555
1263 $pl->{deny_save} = 1; 1556 $pl->{deny_save} = 1;
1264 $pl->password ("*"); # this should lock out the player until we nuked the dir 1557 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1265 1558
1266 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1559 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1267 $pl->deactivate; 1560 $pl->deactivate;
1561 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1562 $pl->ob->check_score;
1268 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1563 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1269 $pl->ns->destroy if $pl->ns; 1564 $pl->ns->destroy if $pl->ns;
1270 1565
1271 my $path = playerdir $pl; 1566 my $path = playerdir $pl;
1272 my $temp = "$path~$cf::RUNTIME~deleting~"; 1567 my $temp = "$path~$cf::RUNTIME~deleting~";
1308 or return []; 1603 or return [];
1309 1604
1310 my @logins; 1605 my @logins;
1311 1606
1312 for my $login (@$dirs) { 1607 for my $login (@$dirs) {
1608 my $path = path $login;
1609
1610 # a .pst is a dead give-away for a valid player
1611 # if no pst file found, open and chekc for blocked users
1612 if (aio_stat "$path.pst") {
1313 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1613 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314 aio_read $fh, 0, 512, my $buf, 0 or next; 1614 aio_read $fh, 0, 512, my $buf, 0 or next;
1315 $buf !~ /^password -------------$/m or next; # official not-valid tag 1615 $buf !~ /^password -------------$/m or next; # official not-valid tag
1616 }
1316 1617
1317 utf8::decode $login; 1618 utf8::decode $login;
1318 push @logins, $login; 1619 push @logins, $login;
1319 } 1620 }
1320 1621
1347 } 1648 }
1348 1649
1349 \@paths 1650 \@paths
1350} 1651}
1351 1652
1352=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1653=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353 1654
1354Expand crossfire pod fragments into protocol xml. 1655Expand deliantra pod fragments into protocol xml.
1355 1656
1356=cut
1357
1358sub expand_cfpod {
1359 ((my $self), (local $_)) = @_;
1360
1361 # escape & and <
1362 s/&/&amp;/g;
1363 s/(?<![BIUGH])</&lt;/g;
1364
1365 # this is buggy, it needs to properly take care of nested <'s
1366
1367 1 while
1368 # replace B<>, I<>, U<> etc.
1369 s/B<([^\>]*)>/<b>$1<\/b>/
1370 || s/I<([^\>]*)>/<i>$1<\/i>/
1371 || s/U<([^\>]*)>/<u>$1<\/u>/
1372 # replace G<male|female> tags
1373 || s{G<([^>|]*)\|([^>]*)>}{
1374 $self->gender ? $2 : $1
1375 }ge
1376 # replace H<hint text>
1377 || s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379 # create single paragraphs (very hackish)
1380 s/(?<=\S)\n(?=\w)/ /g;
1381
1382 $_
1383}
1384
1385=item $player->ext_reply ($msgid, %msg) 1657=item $player->ext_reply ($msgid, @msg)
1386 1658
1387Sends an ext reply to the player. 1659Sends an ext reply to the player.
1388 1660
1389=cut 1661=cut
1390 1662
1391sub ext_reply($$%) { 1663sub ext_reply($$@) {
1392 my ($self, $id, %msg) = @_; 1664 my ($self, $id, @msg) = @_;
1393 1665
1394 $msg{msgid} = $id; 1666 $self->ns->ext_reply ($id, @msg)
1395
1396 $self->send ("ext " . cf::to_json \%msg);
1397} 1667}
1398 1668
1399=item $player->ext_event ($type, %msg) 1669=item $player->ext_msg ($type, @msg)
1400 1670
1401Sends an ext event to the client. 1671Sends an ext event to the client.
1402 1672
1403=cut 1673=cut
1404 1674
1405sub ext_event($$%) { 1675sub ext_msg($$@) {
1406 my ($self, $type, %msg) = @_; 1676 my ($self, $type, @msg) = @_;
1407 1677
1408 $self->ns->ext_event ($type, %msg); 1678 $self->ns->ext_msg ($type, @msg);
1409} 1679}
1410 1680
1411=head3 cf::region 1681=head3 cf::region
1412 1682
1413=over 4 1683=over 4
1426 my ($path) = @_; 1696 my ($path) = @_;
1427 1697
1428 my ($match, $specificity); 1698 my ($match, $specificity);
1429 1699
1430 for my $region (list) { 1700 for my $region (list) {
1431 if ($region->match && $path =~ $region->match) { 1701 if ($region->{match} && $path =~ $region->{match}) {
1432 ($match, $specificity) = ($region, $region->specificity) 1702 ($match, $specificity) = ($region, $region->specificity)
1433 if $region->specificity > $specificity; 1703 if $region->specificity > $specificity;
1434 } 1704 }
1435 } 1705 }
1436 1706
1457our $MAX_RESET = 3600; 1727our $MAX_RESET = 3600;
1458our $DEFAULT_RESET = 3000; 1728our $DEFAULT_RESET = 3000;
1459 1729
1460sub generate_random_map { 1730sub generate_random_map {
1461 my ($self, $rmp) = @_; 1731 my ($self, $rmp) = @_;
1732
1733 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1734
1462 # mit "rum" bekleckern, nicht 1735 # mit "rum" bekleckern, nicht
1463 $self->_create_random_map ( 1736 $self->_create_random_map (
1464 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1737 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1738 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1739 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1556 $self->init; # pass $1 etc. 1829 $self->init; # pass $1 etc.
1557 return $self; 1830 return $self;
1558 } 1831 }
1559 } 1832 }
1560 1833
1561 Carp::carp "unable to resolve path '$path' (base '$base')."; 1834 Carp::cluck "unable to resolve path '$path' (base '$base').";
1562 () 1835 ()
1563} 1836}
1564 1837
1565sub init { 1838sub init {
1566 my ($self) = @_; 1839 my ($self) = @_;
1588 1861
1589# the temporary/swap location 1862# the temporary/swap location
1590sub save_path { 1863sub save_path {
1591 my ($self) = @_; 1864 my ($self) = @_;
1592 1865
1593 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1866 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594 "$TMPDIR/$path.map" 1867 "$TMPDIR/$path.map"
1595} 1868}
1596 1869
1597# the unique path, undef == no special unique path 1870# the unique path, undef == no special unique path
1598sub uniq_path { 1871sub uniq_path {
1599 my ($self) = @_; 1872 my ($self) = @_;
1600 1873
1601 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1874 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602 "$UNIQUEDIR/$path" 1875 "$UNIQUEDIR/$path"
1603}
1604
1605# and all this just because we cannot iterate over
1606# all maps in C++...
1607sub change_all_map_light {
1608 my ($change) = @_;
1609
1610 $_->change_map_light ($change)
1611 for grep $_->outdoor, values %cf::MAP;
1612} 1876}
1613 1877
1614sub decay_objects { 1878sub decay_objects {
1615 my ($self) = @_; 1879 my ($self) = @_;
1616 1880
1629 1893
1630sub load_header_from($) { 1894sub load_header_from($) {
1631 my ($self, $path) = @_; 1895 my ($self, $path) = @_;
1632 1896
1633 utf8::encode $path; 1897 utf8::encode $path;
1634 #aio_open $path, O_RDONLY, 0 1898 my $f = new_from_file cf::object::thawer $path
1635 # or return;
1636
1637 $self->_load_header ($path)
1638 or return; 1899 or return;
1900
1901 $self->_load_header ($f)
1902 or return;
1903
1904 local $MAP_LOADING{$self->{path}} = $self;
1905 $f->resolve_delayed_derefs;
1639 1906
1640 $self->{load_path} = $path; 1907 $self->{load_path} = $path;
1641 1908
1642 1 1909 1
1643} 1910}
1697sub find { 1964sub find {
1698 my ($path, $origin) = @_; 1965 my ($path, $origin) = @_;
1699 1966
1700 $path = normalise $path, $origin && $origin->path; 1967 $path = normalise $path, $origin && $origin->path;
1701 1968
1969 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702 cf::lock_wait "map_find:$path"; 1970 my $guard2 = cf::lock_acquire "map_find:$path";
1703 1971
1704 $cf::MAP{$path} || do { 1972 $cf::MAP{$path} || do {
1705 my $guard = cf::lock_acquire "map_find:$path";
1706 my $map = new_from_path cf::map $path 1973 my $map = new_from_path cf::map $path
1707 or return; 1974 or return;
1708 1975
1709 $map->{last_save} = $cf::RUNTIME; 1976 $map->{last_save} = $cf::RUNTIME;
1710 1977
1712 or return; 1979 or return;
1713 1980
1714 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1981 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715 # doing this can freeze the server in a sync job, obviously 1982 # doing this can freeze the server in a sync job, obviously
1716 #$cf::WAIT_FOR_TICK->wait; 1983 #$cf::WAIT_FOR_TICK->wait;
1984 undef $guard2;
1985 undef $guard1;
1717 $map->reset; 1986 $map->reset;
1718 undef $guard;
1719 return find $path; 1987 return find $path;
1720 } 1988 }
1721 1989
1722 $cf::MAP{$path} = $map 1990 $cf::MAP{$path} = $map
1723 } 1991 }
1732 local $self->{deny_reset} = 1; # loading can take a long time 2000 local $self->{deny_reset} = 1; # loading can take a long time
1733 2001
1734 my $path = $self->{path}; 2002 my $path = $self->{path};
1735 2003
1736 { 2004 {
1737 my $guard = cf::lock_acquire "map_load:$path"; 2005 my $guard = cf::lock_acquire "map_data:$path";
1738 2006
2007 return unless $self->valid;
1739 return if $self->in_memory != cf::MAP_SWAPPED; 2008 return unless $self->in_memory == cf::MAP_SWAPPED;
1740 2009
1741 $self->in_memory (cf::MAP_LOADING); 2010 $self->in_memory (cf::MAP_LOADING);
1742 2011
1743 $self->alloc; 2012 $self->alloc;
1744 2013
1745 $self->pre_load; 2014 $self->pre_load;
1746 Coro::cede; 2015 cf::cede_to_tick;
1747 2016
2017 my $f = new_from_file cf::object::thawer $self->{load_path};
2018 $f->skip_block;
1748 $self->_load_objects ($self->{load_path}, 1) 2019 $self->_load_objects ($f)
1749 or return; 2020 or return;
1750 2021
1751 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2022 $self->post_load_original
1752 if delete $self->{load_original}; 2023 if delete $self->{load_original};
1753 2024
1754 if (my $uniq = $self->uniq_path) { 2025 if (my $uniq = $self->uniq_path) {
1755 utf8::encode $uniq; 2026 utf8::encode $uniq;
1756 if (aio_open $uniq, O_RDONLY, 0) { 2027 unless (aio_stat $uniq) {
2028 if (my $f = new_from_file cf::object::thawer $uniq) {
1757 $self->clear_unique_items; 2029 $self->clear_unique_items;
1758 $self->_load_objects ($uniq, 0); 2030 $self->_load_objects ($f);
2031 $f->resolve_delayed_derefs;
2032 }
1759 } 2033 }
1760 } 2034 }
1761 2035
1762 Coro::cede; 2036 $f->resolve_delayed_derefs;
2037
2038 cf::cede_to_tick;
1763 # now do the right thing for maps 2039 # now do the right thing for maps
1764 $self->link_multipart_objects; 2040 $self->link_multipart_objects;
1765 $self->difficulty ($self->estimate_difficulty) 2041 $self->difficulty ($self->estimate_difficulty)
1766 unless $self->difficulty; 2042 unless $self->difficulty;
1767 Coro::cede; 2043 cf::cede_to_tick;
1768 2044
1769 unless ($self->{deny_activate}) { 2045 unless ($self->{deny_activate}) {
1770 $self->decay_objects; 2046 $self->decay_objects;
1771 $self->fix_auto_apply; 2047 $self->fix_auto_apply;
1772 $self->update_buttons; 2048 $self->update_buttons;
1773 Coro::cede; 2049 cf::cede_to_tick;
1774 $self->set_darkness_map;
1775 Coro::cede;
1776 $self->activate; 2050 $self->activate;
1777 } 2051 }
1778 2052
2053 $self->{last_save} = $cf::RUNTIME;
2054 $self->last_access ($cf::RUNTIME);
2055
1779 $self->in_memory (cf::MAP_IN_MEMORY); 2056 $self->in_memory (cf::MAP_ACTIVE);
1780 } 2057 }
1781 2058
1782 $self->post_load; 2059 $self->post_load;
1783} 2060}
1784 2061
1793 2070
1794 $self 2071 $self
1795} 2072}
1796 2073
1797# find and load all maps in the 3x3 area around a map 2074# find and load all maps in the 3x3 area around a map
1798sub load_diag { 2075sub load_neighbours {
1799 my ($map) = @_; 2076 my ($map) = @_;
1800 2077
1801 my @diag; # diagonal neighbours 2078 my @neigh; # diagonal neighbours
1802 2079
1803 for (0 .. 3) { 2080 for (0 .. 3) {
1804 my $neigh = $map->tile_path ($_) 2081 my $neigh = $map->tile_path ($_)
1805 or next; 2082 or next;
1806 $neigh = find $neigh, $map 2083 $neigh = find $neigh, $map
1807 or next; 2084 or next;
1808 $neigh->load; 2085 $neigh->load;
1809 2086
2087 push @neigh,
1810 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2088 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2089 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1812 } 2090 }
1813 2091
1814 for (@diag) { 2092 for (grep defined $_->[0], @neigh) {
2093 my ($path, $origin) = @$_;
1815 my $neigh = find @$_ 2094 my $neigh = find $path, $origin
1816 or next; 2095 or next;
1817 $neigh->load; 2096 $neigh->load;
1818 } 2097 }
1819} 2098}
1820 2099
1825} 2104}
1826 2105
1827sub do_load_sync { 2106sub do_load_sync {
1828 my ($map) = @_; 2107 my ($map) = @_;
1829 2108
2109 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2110 if $Coro::current == $Coro::main;
2111
1830 cf::sync_job { $map->load }; 2112 cf::sync_job { $map->load };
1831} 2113}
1832 2114
1833our %MAP_PREFETCH; 2115our %MAP_PREFETCH;
1834our $MAP_PREFETCHER = undef; 2116our $MAP_PREFETCHER = undef;
1835 2117
1836sub find_async { 2118sub find_async {
1837 my ($path, $origin) = @_; 2119 my ($path, $origin, $load) = @_;
1838 2120
1839 $path = normalise $path, $origin && $origin->{path}; 2121 $path = normalise $path, $origin && $origin->{path};
1840 2122
1841 if (my $map = $cf::MAP{$path}) { 2123 if (my $map = $cf::MAP{$path}) {
1842 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2124 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1843 } 2125 }
1844 2126
1845 undef $MAP_PREFETCH{$path}; 2127 $MAP_PREFETCH{$path} |= $load;
2128
1846 $MAP_PREFETCHER ||= cf::async { 2129 $MAP_PREFETCHER ||= cf::async {
2130 $Coro::current->{desc} = "map prefetcher";
2131
1847 while (%MAP_PREFETCH) { 2132 while (%MAP_PREFETCH) {
1848 for my $path (keys %MAP_PREFETCH) { 2133 while (my ($k, $v) = each %MAP_PREFETCH) {
1849 my $map = find $path 2134 if (my $map = find $k) {
1850 or next;
1851 $map->load; 2135 $map->load if $v;
2136 }
1852 2137
1853 delete $MAP_PREFETCH{$path}; 2138 delete $MAP_PREFETCH{$k};
1854 } 2139 }
1855 } 2140 }
1856 undef $MAP_PREFETCHER; 2141 undef $MAP_PREFETCHER;
1857 }; 2142 };
1858 $MAP_PREFETCHER->prio (6); 2143 $MAP_PREFETCHER->prio (6);
1861} 2146}
1862 2147
1863sub save { 2148sub save {
1864 my ($self) = @_; 2149 my ($self) = @_;
1865 2150
1866 my $lock = cf::lock_acquire "map_data:" . $self->path; 2151 my $lock = cf::lock_acquire "map_data:$self->{path}";
1867 2152
1868 $self->{last_save} = $cf::RUNTIME; 2153 $self->{last_save} = $cf::RUNTIME;
1869 2154
1870 return unless $self->dirty; 2155 return unless $self->dirty;
1871 2156
1877 return if $self->{deny_save}; 2162 return if $self->{deny_save};
1878 2163
1879 local $self->{last_access} = $self->last_access;#d# 2164 local $self->{last_access} = $self->last_access;#d#
1880 2165
1881 cf::async { 2166 cf::async {
2167 $Coro::current->{desc} = "map player save";
1882 $_->contr->save for $self->players; 2168 $_->contr->save for $self->players;
1883 }; 2169 };
2170
2171 cf::get_slot 0.02;
1884 2172
1885 if ($uniq) { 2173 if ($uniq) {
1886 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2174 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2175 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1888 } else { 2176 } else {
1894 my ($self) = @_; 2182 my ($self) = @_;
1895 2183
1896 # save first because save cedes 2184 # save first because save cedes
1897 $self->save; 2185 $self->save;
1898 2186
1899 my $lock = cf::lock_acquire "map_data:" . $self->path; 2187 my $lock = cf::lock_acquire "map_data:$self->{path}";
1900 2188
1901 return if $self->players; 2189 return if $self->players;
1902 return if $self->in_memory != cf::MAP_IN_MEMORY; 2190 return if $self->in_memory != cf::MAP_ACTIVE;
1903 return if $self->{deny_save}; 2191 return if $self->{deny_save};
1904 2192
2193 $self->in_memory (cf::MAP_SWAPPED);
2194
2195 $self->deactivate;
2196 $_->clear_links_to ($self) for values %cf::MAP;
1905 $self->clear; 2197 $self->clear;
1906 $self->in_memory (cf::MAP_SWAPPED);
1907} 2198}
1908 2199
1909sub reset_at { 2200sub reset_at {
1910 my ($self) = @_; 2201 my ($self) = @_;
1911 2202
1929 2220
1930 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2221 my $lock = cf::lock_acquire "map_data:$self->{path}";
1931 2222
1932 return if $self->players; 2223 return if $self->players;
1933 2224
1934 warn "resetting map ", $self->path; 2225 warn "resetting map ", $self->path, "\n";
1935 2226
1936 $self->in_memory (cf::MAP_SWAPPED); 2227 $self->in_memory (cf::MAP_SWAPPED);
1937 2228
1938 # need to save uniques path 2229 # need to save uniques path
1939 unless ($self->{deny_save}) { 2230 unless ($self->{deny_save}) {
1943 if $uniq; 2234 if $uniq;
1944 } 2235 }
1945 2236
1946 delete $cf::MAP{$self->path}; 2237 delete $cf::MAP{$self->path};
1947 2238
2239 $self->deactivate;
2240 $_->clear_links_to ($self) for values %cf::MAP;
1948 $self->clear; 2241 $self->clear;
1949
1950 $_->clear_links_to ($self) for values %cf::MAP;
1951 2242
1952 $self->unlink_save; 2243 $self->unlink_save;
1953 $self->destroy; 2244 $self->destroy;
1954} 2245}
1955 2246
1956my $nuke_counter = "aaaa"; 2247my $nuke_counter = "aaaa";
1957 2248
1958sub nuke { 2249sub nuke {
1959 my ($self) = @_; 2250 my ($self) = @_;
1960 2251
2252 {
2253 my $lock = cf::lock_acquire "map_data:$self->{path}";
2254
1961 delete $cf::MAP{$self->path}; 2255 delete $cf::MAP{$self->path};
1962 2256
1963 $self->unlink_save; 2257 $self->unlink_save;
1964 2258
1965 bless $self, "cf::map"; 2259 bless $self, "cf::map";
1966 delete $self->{deny_reset}; 2260 delete $self->{deny_reset};
1967 $self->{deny_save} = 1; 2261 $self->{deny_save} = 1;
1968 $self->reset_timeout (1); 2262 $self->reset_timeout (1);
1969 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2263 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970 2264
1971 $cf::MAP{$self->path} = $self; 2265 $cf::MAP{$self->path} = $self;
2266 }
1972 2267
1973 $self->reset; # polite request, might not happen 2268 $self->reset; # polite request, might not happen
1974} 2269}
1975 2270
1976=item $maps = cf::map::tmp_maps 2271=item $maps = cf::map::tmp_maps
2018 2313
2019sub unique_maps() { 2314sub unique_maps() {
2020 [ 2315 [
2021 map { 2316 map {
2022 utf8::decode $_; 2317 utf8::decode $_;
2023 /\.map$/ 2318 s/\.map$//; # TODO future compatibility hack
2319 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2320 ? ()
2024 ? normalise $_ 2321 : normalise $_
2025 : ()
2026 } @{ aio_readdir $UNIQUEDIR or [] } 2322 } @{ aio_readdir $UNIQUEDIR or [] }
2027 ] 2323 ]
2028} 2324}
2029 2325
2030package cf;
2031
2032=back 2326=back
2033 2327
2034=head3 cf::object 2328=head3 cf::object
2035 2329
2036=cut 2330=cut
2039 2333
2040=over 4 2334=over 4
2041 2335
2042=item $ob->inv_recursive 2336=item $ob->inv_recursive
2043 2337
2044Returns the inventory of the object _and_ their inventories, recursively. 2338Returns the inventory of the object I<and> their inventories, recursively,
2339but I<not> the object itself.
2045 2340
2046=cut 2341=cut
2047 2342
2048sub inv_recursive_; 2343sub inv_recursive_;
2049sub inv_recursive_ { 2344sub inv_recursive_ {
2052 2347
2053sub inv_recursive { 2348sub inv_recursive {
2054 inv_recursive_ inv $_[0] 2349 inv_recursive_ inv $_[0]
2055} 2350}
2056 2351
2352=item $ref = $ob->ref
2353
2354Creates and returns a persistent reference to an object that can be stored as a string.
2355
2356=item $ob = cf::object::deref ($refstring)
2357
2358returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2359even if the object actually exists. May block.
2360
2361=cut
2362
2363sub deref {
2364 my ($ref) = @_;
2365
2366 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2367 my ($uuid, $name) = ($1, $2);
2368 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2369 or return;
2370 $pl->ob->uuid eq $uuid
2371 or return;
2372
2373 $pl->ob
2374 } else {
2375 warn "$ref: cannot resolve object reference\n";
2376 undef
2377 }
2378}
2379
2057package cf; 2380package cf;
2058 2381
2059=back 2382=back
2060 2383
2061=head3 cf::object::player 2384=head3 cf::object::player
2067Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2390Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068can be C<undef>. Does the right thing when the player is currently in a 2391can be C<undef>. Does the right thing when the player is currently in a
2069dialogue with the given NPC character. 2392dialogue with the given NPC character.
2070 2393
2071=cut 2394=cut
2395
2396our $SAY_CHANNEL = {
2397 id => "say",
2398 title => "Map",
2399 reply => "say ",
2400 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2401};
2402
2403our $CHAT_CHANNEL = {
2404 id => "chat",
2405 title => "Chat",
2406 reply => "chat ",
2407 tooltip => "Player chat and shouts, global to the server.",
2408};
2072 2409
2073# rough implementation of a future "reply" method that works 2410# rough implementation of a future "reply" method that works
2074# with dialog boxes. 2411# with dialog boxes.
2075#TODO: the first argument must go, split into a $npc->reply_to ( method 2412#TODO: the first argument must go, split into a $npc->reply_to ( method
2076sub cf::object::player::reply($$$;$) { 2413sub cf::object::player::reply($$$;$) {
2083 2420
2084 } else { 2421 } else {
2085 my $pl = $self->contr; 2422 my $pl = $self->contr;
2086 2423
2087 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2424 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088 my $diag = $pl->{npc_dialog}; 2425 my $dialog = $pl->{npc_dialog};
2089 $diag->{pl}->ext_reply ( 2426 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090 $diag->{id},
2091 msgtype => "reply",
2092 msg => $diag->{pl}->expand_cfpod ($msg),
2093 add_topics => []
2094 );
2095 2427
2096 } else { 2428 } else {
2097 $msg = $npc->name . " says: $msg" if $npc; 2429 $msg = $npc->name . " says: $msg" if $npc;
2098 $self->message ($msg, $flags); 2430 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099 } 2431 }
2100 } 2432 }
2433}
2434
2435=item $object->send_msg ($channel, $msg, $color, [extra...])
2436
2437=cut
2438
2439sub cf::object::send_msg {
2440 my $pl = shift->contr
2441 or return;
2442 $pl->send_msg (@_);
2101} 2443}
2102 2444
2103=item $player_object->may ("access") 2445=item $player_object->may ("access")
2104 2446
2105Returns wether the given player is authorized to access resource "access" 2447Returns wether the given player is authorized to access resource "access"
2118 2460
2119=item $player_object->enter_link 2461=item $player_object->enter_link
2120 2462
2121Freezes the player and moves him/her to a special map (C<{link}>). 2463Freezes the player and moves him/her to a special map (C<{link}>).
2122 2464
2123The player should be reasonably safe there for short amounts of time. You 2465The player should be reasonably safe there for short amounts of time (e.g.
2124I<MUST> call C<leave_link> as soon as possible, though. 2466for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2467though, as the palyer cannot control the character while it is on the link
2468map.
2125 2469
2126Will never block. 2470Will never block.
2127 2471
2128=item $player_object->leave_link ($map, $x, $y) 2472=item $player_object->leave_link ($map, $x, $y)
2129 2473
2184 # use -1 or undef as default coordinates, not 0, 0 2528 # use -1 or undef as default coordinates, not 0, 0
2185 ($x, $y) = ($map->enter_x, $map->enter_y) 2529 ($x, $y) = ($map->enter_x, $map->enter_y)
2186 if $x <=0 && $y <= 0; 2530 if $x <=0 && $y <= 0;
2187 2531
2188 $map->load; 2532 $map->load;
2189 $map->load_diag; 2533 $map->load_neighbours;
2190 2534
2191 return unless $self->contr->active; 2535 return unless $self->contr->active;
2192 $self->activate_recursive;
2193 2536
2194 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2537 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195 $self->enter_map ($map, $x, $y); 2538 $self->enter_map ($map, $x, $y);
2196}
2197 2539
2540 # only activate afterwards, to support waiting in hooks
2541 $self->activate_recursive;
2542}
2543
2198=item $player_object->goto ($path, $x, $y[, $check->($map)]) 2544=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2199 2545
2200Moves the player to the given map-path and coordinates by first freezing 2546Moves the player to the given map-path and coordinates by first freezing
2201her, loading and preparing them map, calling the provided $check callback 2547her, loading and preparing them map, calling the provided $check callback
2202that has to return the map if sucecssful, and then unfreezes the player on 2548that has to return the map if sucecssful, and then unfreezes the player on
2203the new (success) or old (failed) map position. 2549the new (success) or old (failed) map position. In either case, $done will
2550be called at the end of this process.
2551
2552Note that $check will be called with a potentially non-loaded map, so if
2553it needs a loaded map it has to call C<< ->load >>.
2204 2554
2205=cut 2555=cut
2206 2556
2207our $GOTOGEN; 2557our $GOTOGEN;
2208 2558
2209sub cf::object::player::goto { 2559sub cf::object::player::goto {
2210 my ($self, $path, $x, $y, $check) = @_; 2560 my ($self, $path, $x, $y, $check, $done) = @_;
2211 2561
2212 # do generation counting so two concurrent goto's will be executed in-order 2562 # do generation counting so two concurrent goto's will be executed in-order
2213 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2563 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214 2564
2215 $self->enter_link; 2565 $self->enter_link;
2216 2566
2217 (async { 2567 (async {
2568 $Coro::current->{desc} = "player::goto $path $x $y";
2569
2570 # *tag paths override both path and x|y
2571 if ($path =~ /^\*(.*)$/) {
2572 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2573 my $ob = $obs[rand @obs];
2574
2575 # see if we actually can go there
2576 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2577 $ob = $obs[rand @obs];
2578 } else {
2579 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2580 }
2581 # else put us there anyways for now #d#
2582
2583 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2584 } else {
2585 ($path, $x, $y) = (undef, undef, undef);
2586 }
2587 }
2588
2218 my $map = eval { 2589 my $map = eval {
2219 my $map = cf::map::find $path; 2590 my $map = defined $path ? cf::map::find $path : undef;
2220 2591
2221 if ($map) { 2592 if ($map) {
2222 $map = $map->customise_for ($self); 2593 $map = $map->customise_for ($self);
2223 $map = $check->($map) if $check && $map; 2594 $map = $check->($map) if $check && $map;
2224 } else { 2595 } else {
2225 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2596 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226 } 2597 }
2227 2598
2228 $map 2599 $map
2229 }; 2600 };
2230 2601
2235 2606
2236 if ($gen == $self->{_goto_generation}) { 2607 if ($gen == $self->{_goto_generation}) {
2237 delete $self->{_goto_generation}; 2608 delete $self->{_goto_generation};
2238 $self->leave_link ($map, $x, $y); 2609 $self->leave_link ($map, $x, $y);
2239 } 2610 }
2611
2612 $done->() if $done;
2240 })->prio (1); 2613 })->prio (1);
2241} 2614}
2242 2615
2243=item $player_object->enter_exit ($exit_object) 2616=item $player_object->enter_exit ($exit_object)
2244 2617
2264} 2637}
2265 2638
2266sub prepare_random_map { 2639sub prepare_random_map {
2267 my ($exit) = @_; 2640 my ($exit) = @_;
2268 2641
2269 my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271 # all this does is basically replace the /! path by 2642 # all this does is basically replace the /! path by
2272 # a new random map path (?random/...) with a seed 2643 # a new random map path (?random/...) with a seed
2273 # that depends on the exit object 2644 # that depends on the exit object
2274 2645
2275 my $rmp = parse_random_map_params $exit->msg; 2646 my $rmp = parse_random_map_params $exit->msg;
2277 if ($exit->map) { 2648 if ($exit->map) {
2278 $rmp->{region} = $exit->region->name; 2649 $rmp->{region} = $exit->region->name;
2279 $rmp->{origin_map} = $exit->map->path; 2650 $rmp->{origin_map} = $exit->map->path;
2280 $rmp->{origin_x} = $exit->x; 2651 $rmp->{origin_x} = $exit->x;
2281 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2653
2654 $exit->map->touch;
2282 } 2655 }
2283 2656
2284 $rmp->{random_seed} ||= $exit->random_seed; 2657 $rmp->{random_seed} ||= $exit->random_seed;
2285 2658
2286 my $data = cf::to_json $rmp; 2659 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287 my $md5 = Digest::MD5::md5_hex $data; 2660 my $md5 = Digest::MD5::md5_hex $data;
2288 my $meta = "$RANDOMDIR/$md5.meta"; 2661 my $meta = "$RANDOMDIR/$md5.meta";
2289 2662
2290 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2663 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291 aio_write $fh, 0, (length $data), $data, 0; 2664 aio_write $fh, 0, (length $data), $data, 0;
2292 undef $fh; 2665 undef $fh;
2293 aio_rename "$meta~", $meta; 2666 aio_rename "$meta~", $meta;
2294 2667
2668 my $slaying = "?random/$md5";
2669
2670 if ($exit->valid) {
2295 $exit->slaying ("?random/$md5"); 2671 $exit->slaying ("?random/$md5");
2296 $exit->msg (undef); 2672 $exit->msg (undef);
2673 }
2297 } 2674 }
2298} 2675}
2299 2676
2300sub cf::object::player::enter_exit { 2677sub cf::object::player::enter_exit {
2301 my ($self, $exit) = @_; 2678 my ($self, $exit) = @_;
2302 2679
2303 return unless $self->type == cf::PLAYER; 2680 return unless $self->type == cf::PLAYER;
2304 2681
2305 if ($exit->slaying eq "/!") {
2306 #TODO: this should de-fi-ni-te-ly not be a sync-job
2307 # the problem is that $exit might not survive long enough
2308 # so it needs to be done right now, right here
2309 cf::sync_job { prepare_random_map $exit };
2310 }
2311
2312 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313 my $hp = $exit->stats->hp;
2314 my $sp = $exit->stats->sp;
2315
2316 $self->enter_link; 2682 $self->enter_link;
2317 2683
2318 (async { 2684 (async {
2319 $self->deactivate_recursive; # just to be sure 2685 $Coro::current->{desc} = "enter_exit";
2686
2320 unless (eval { 2687 unless (eval {
2688 $self->deactivate_recursive; # just to be sure
2689
2690 # random map handling
2691 {
2692 my $guard = cf::lock_acquire "exit_prepare:$exit";
2693
2694 prepare_random_map $exit
2695 if $exit->slaying eq "/!";
2696 }
2697
2698 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2699 my $x = $exit->stats->hp;
2700 my $y = $exit->stats->sp;
2701
2321 $self->goto ($slaying, $hp, $sp); 2702 $self->goto ($map, $x, $y);
2322 2703
2704 # if exit is damned, update players death & WoR home-position
2705 $self->contr->savebed ($map, $x, $y)
2706 if $exit->flag (cf::FLAG_DAMNED);
2707
2323 1; 2708 1
2324 }) { 2709 }) {
2325 $self->message ("Something went wrong deep within the crossfire server. " 2710 $self->message ("Something went wrong deep within the deliantra server. "
2326 . "I'll try to bring you back to the map you were before. " 2711 . "I'll try to bring you back to the map you were before. "
2327 . "Please report this to the dungeon master!", 2712 . "Please report this to the dungeon master!",
2328 cf::NDI_UNIQUE | cf::NDI_RED); 2713 cf::NDI_UNIQUE | cf::NDI_RED);
2329 2714
2330 warn "ERROR in enter_exit: $@"; 2715 warn "ERROR in enter_exit: $@";
2349 2734
2350 utf8::encode $text; 2735 utf8::encode $text;
2351 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2736 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352} 2737}
2353 2738
2354=item $client->send_msg ($color, $type, $msg, [extra...]) 2739=item $client->send_msg ($channel, $msg, $color, [extra...])
2355 2740
2356Send a drawinfo or msg packet to the client, formatting the msg for the 2741Send a drawinfo or msg packet to the client, formatting the msg for the
2357client if neccessary. C<$type> should be a string identifying the type of 2742client if neccessary. C<$type> should be a string identifying the type of
2358the message, with C<log> being the default. If C<$color> is negative, suppress 2743the message, with C<log> being the default. If C<$color> is negative, suppress
2359the message unless the client supports the msg packet. 2744the message unless the client supports the msg packet.
2360 2745
2361=cut 2746=cut
2362 2747
2748# non-persistent channels (usually the info channel)
2749our %CHANNEL = (
2750 "c/identify" => {
2751 id => "infobox",
2752 title => "Identify",
2753 reply => undef,
2754 tooltip => "Items recently identified",
2755 },
2756 "c/examine" => {
2757 id => "infobox",
2758 title => "Examine",
2759 reply => undef,
2760 tooltip => "Signs and other items you examined",
2761 },
2762 "c/book" => {
2763 id => "infobox",
2764 title => "Book",
2765 reply => undef,
2766 tooltip => "The contents of a note or book",
2767 },
2768 "c/lookat" => {
2769 id => "infobox",
2770 title => "Look",
2771 reply => undef,
2772 tooltip => "What you saw there",
2773 },
2774 "c/who" => {
2775 id => "infobox",
2776 title => "Players",
2777 reply => undef,
2778 tooltip => "Shows players who are currently online",
2779 },
2780 "c/body" => {
2781 id => "infobox",
2782 title => "Body Parts",
2783 reply => undef,
2784 tooltip => "Shows which body parts you posess and are available",
2785 },
2786 "c/statistics" => {
2787 id => "infobox",
2788 title => "Statistics",
2789 reply => undef,
2790 tooltip => "Shows your primary statistics",
2791 },
2792 "c/skills" => {
2793 id => "infobox",
2794 title => "Skills",
2795 reply => undef,
2796 tooltip => "Shows your experience per skill and item power",
2797 },
2798 "c/shopitems" => {
2799 id => "infobox",
2800 title => "Shop Items",
2801 reply => undef,
2802 tooltip => "Shows the items currently for sale in this shop",
2803 },
2804 "c/resistances" => {
2805 id => "infobox",
2806 title => "Resistances",
2807 reply => undef,
2808 tooltip => "Shows your resistances",
2809 },
2810 "c/pets" => {
2811 id => "infobox",
2812 title => "Pets",
2813 reply => undef,
2814 tooltip => "Shows information abotu your pets/a specific pet",
2815 },
2816 "c/perceiveself" => {
2817 id => "infobox",
2818 title => "Perceive Self",
2819 reply => undef,
2820 tooltip => "You gained detailed knowledge about yourself",
2821 },
2822 "c/uptime" => {
2823 id => "infobox",
2824 title => "Uptime",
2825 reply => undef,
2826 tooltip => "How long the server has been running since last restart",
2827 },
2828 "c/mapinfo" => {
2829 id => "infobox",
2830 title => "Map Info",
2831 reply => undef,
2832 tooltip => "Information related to the maps",
2833 },
2834 "c/party" => {
2835 id => "party",
2836 title => "Party",
2837 reply => "gsay ",
2838 tooltip => "Messages and chat related to your party",
2839 },
2840 "c/death" => {
2841 id => "death",
2842 title => "Death",
2843 reply => undef,
2844 tooltip => "Reason for and more info about your most recent death",
2845 },
2846 "c/say" => $SAY_CHANNEL,
2847 "c/chat" => $CHAT_CHANNEL,
2848);
2849
2363sub cf::client::send_msg { 2850sub cf::client::send_msg {
2364 my ($self, $color, $type, $msg, @extra) = @_; 2851 my ($self, $channel, $msg, $color, @extra) = @_;
2365 2852
2366 $msg = $self->pl->expand_cfpod ($msg); 2853 $msg = $self->pl->expand_cfpod ($msg)
2854 unless $color & cf::NDI_VERBATIM;
2367 2855
2368 if ($self->can_msg) { 2856 $color &= cf::NDI_CLIENT_MASK; # just in case...
2369 $self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370 } else {
2371 # replace some tags by gcfclient-compatible ones
2372 for ($msg) {
2373 1 while
2374 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379 }
2380 2857
2381 if ($color >= 0) { 2858 # check predefined channels, for the benefit of C
2382 if (0 && $msg =~ /\[/) { 2859 if ($CHANNEL{$channel}) {
2383 $self->send_packet ("drawextinfo $color 4 0 $msg") 2860 $channel = $CHANNEL{$channel};
2384 } else { 2861
2385 s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 2862 $self->ext_msg (channel_info => $channel);
2386 $self->send_packet ("drawinfo $color $msg") 2863 $channel = $channel->{id};
2864
2865 } elsif (ref $channel) {
2866 # send meta info to client, if not yet sent
2867 unless (exists $self->{channel}{$channel->{id}}) {
2868 $self->{channel}{$channel->{id}} = $channel;
2869 $self->ext_msg (channel_info => $channel);
2387 } 2870 }
2388 }
2389 }
2390}
2391 2871
2872 $channel = $channel->{id};
2873 }
2874
2875 return unless @extra || length $msg;
2876
2877 # default colour, mask it out
2878 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879 if $color & cf::NDI_DEF;
2880
2881 my $pkt = "msg "
2882 . $self->{json_coder}->encode (
2883 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2884 );
2885
2886 # try lzf for large packets
2887 $pkt = "lzf " . Compress::LZF::compress $pkt
2888 if 1024 <= length $pkt and $self->{can_lzf};
2889
2890 # split very large packets
2891 if (8192 < length $pkt and $self->{can_lzf}) {
2892 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2893 $pkt = "frag";
2894 }
2895
2896 $self->send_packet ($pkt);
2897}
2898
2392=item $client->ext_event ($type, %msg) 2899=item $client->ext_msg ($type, @msg)
2393 2900
2394Sends an exti event to the client. 2901Sends an ext event to the client.
2395 2902
2396=cut 2903=cut
2397 2904
2398sub cf::client::ext_event($$%) { 2905sub cf::client::ext_msg($$@) {
2399 my ($self, $type, %msg) = @_; 2906 my ($self, $type, @msg) = @_;
2400 2907
2908 if ($self->extcmd == 2) {
2909 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2910 } elsif ($self->extcmd == 1) { # TODO: remove
2401 $msg{msgtype} = "event_$type"; 2911 push @msg, msgtype => "event_$type";
2402 $self->send_packet ("ext " . cf::to_json \%msg); 2912 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2913 }
2914}
2915
2916=item $client->ext_reply ($msgid, @msg)
2917
2918Sends an ext reply to the client.
2919
2920=cut
2921
2922sub cf::client::ext_reply($$@) {
2923 my ($self, $id, @msg) = @_;
2924
2925 if ($self->extcmd == 2) {
2926 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2927 } elsif ($self->extcmd == 1) {
2928 #TODO: version 1, remove
2929 unshift @msg, msgtype => "reply", msgid => $id;
2930 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2931 }
2403} 2932}
2404 2933
2405=item $success = $client->query ($flags, "text", \&cb) 2934=item $success = $client->query ($flags, "text", \&cb)
2406 2935
2407Queues a query to the client, calling the given callback with 2936Queues a query to the client, calling the given callback with
2408the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2937the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2938C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410 2939
2411Queries can fail, so check the return code. Or don't, as queries will become 2940Queries can fail, so check the return code. Or don't, as queries will
2412reliable at some point in the future. 2941become reliable at some point in the future.
2413 2942
2414=cut 2943=cut
2415 2944
2416sub cf::client::query { 2945sub cf::client::query {
2417 my ($self, $flags, $text, $cb) = @_; 2946 my ($self, $flags, $text, $cb) = @_;
2425 utf8::encode $text; 2954 utf8::encode $text;
2426 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2955 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427 2956
2428 $self->send_packet ($self->{query_queue}[0][0]) 2957 $self->send_packet ($self->{query_queue}[0][0])
2429 if @{ $self->{query_queue} } == 1; 2958 if @{ $self->{query_queue} } == 1;
2959
2960 1
2430} 2961}
2431 2962
2432cf::client->attach ( 2963cf::client->attach (
2964 on_connect => sub {
2965 my ($ns) = @_;
2966
2967 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2968 },
2433 on_reply => sub { 2969 on_reply => sub {
2434 my ($ns, $msg) = @_; 2970 my ($ns, $msg) = @_;
2435 2971
2436 # this weird shuffling is so that direct followup queries 2972 # this weird shuffling is so that direct followup queries
2437 # get handled first 2973 # get handled first
2449 } else { 2985 } else {
2450 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2986 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451 } 2987 }
2452 } 2988 }
2453 }, 2989 },
2990 on_exticmd => sub {
2991 my ($ns, $buf) = @_;
2992
2993 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2994
2995 if (ref $msg) {
2996 my ($type, $reply, @payload) =
2997 "ARRAY" eq ref $msg
2998 ? @$msg
2999 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3000
3001 my @reply;
3002
3003 if (my $cb = $EXTICMD{$type}) {
3004 @reply = $cb->($ns, @payload);
3005 }
3006
3007 $ns->ext_reply ($reply, @reply)
3008 if $reply;
3009
3010 } else {
3011 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3012 }
3013
3014 cf::override;
3015 },
2454); 3016);
2455 3017
2456=item $client->async (\&cb) 3018=item $client->async (\&cb)
2457 3019
2458Create a new coroutine, running the specified callback. The coroutine will 3020Create a new coroutine, running the specified callback. The coroutine will
2499our $safe = new Safe "safe"; 3061our $safe = new Safe "safe";
2500our $safe_hole = new Safe::Hole; 3062our $safe_hole = new Safe::Hole;
2501 3063
2502$SIG{FPE} = 'IGNORE'; 3064$SIG{FPE} = 'IGNORE';
2503 3065
2504$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3066$safe->permit_only (Opcode::opset qw(
3067 :base_core :base_mem :base_orig :base_math
3068 grepstart grepwhile mapstart mapwhile
3069 sort time
3070));
2505 3071
2506# here we export the classes and methods available to script code 3072# here we export the classes and methods available to script code
2507 3073
2508=pod 3074=pod
2509 3075
2510The following functions and methods are available within a safe environment: 3076The following functions and methods are available within a safe environment:
2511 3077
2512 cf::object contr pay_amount pay_player map 3078 cf::object
3079 contr pay_amount pay_player map x y force_find force_add destroy
3080 insert remove name archname title slaying race decrease split
3081 value
3082
2513 cf::object::player player 3083 cf::object::player
2514 cf::player peaceful 3084 player
2515 cf::map trigger 3085
3086 cf::player
3087 peaceful
3088
3089 cf::map
3090 trigger
2516 3091
2517=cut 3092=cut
2518 3093
2519for ( 3094for (
2520 ["cf::object" => qw(contr pay_amount pay_player map)], 3095 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3096 insert remove inv nrof name archname title slaying race
3097 decrease split destroy change_exp value msg lore send_msg)],
2521 ["cf::object::player" => qw(player)], 3098 ["cf::object::player" => qw(player)],
2522 ["cf::player" => qw(peaceful)], 3099 ["cf::player" => qw(peaceful send_msg)],
2523 ["cf::map" => qw(trigger)], 3100 ["cf::map" => qw(trigger)],
2524) { 3101) {
2525 no strict 'refs'; 3102 no strict 'refs';
2526 my ($pkg, @funs) = @$_; 3103 my ($pkg, @funs) = @$_;
2527 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3104 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2544 my ($code, %vars) = @_; 3121 my ($code, %vars) = @_;
2545 3122
2546 my $qcode = $code; 3123 my $qcode = $code;
2547 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3124 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2548 $qcode =~ s/\n/\\n/g; 3125 $qcode =~ s/\n/\\n/g;
3126
3127 %vars = (_dummy => 0) unless %vars;
2549 3128
2550 local $_; 3129 local $_;
2551 local @safe::cf::_safe_eval_args = values %vars; 3130 local @safe::cf::_safe_eval_args = values %vars;
2552 3131
2553 my $eval = 3132 my $eval =
2601# the server's init and main functions 3180# the server's init and main functions
2602 3181
2603sub load_facedata($) { 3182sub load_facedata($) {
2604 my ($path) = @_; 3183 my ($path) = @_;
2605 3184
3185 # HACK to clear player env face cache, we need some signal framework
3186 # for this (global event?)
3187 %ext::player_env::MUSIC_FACE_CACHE = ();
3188
3189 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190
2606 warn "loading facedata from $path\n"; 3191 warn "loading facedata from $path\n";
2607 3192
2608 my $facedata; 3193 my $facedata;
2609 0 < aio_load $path, $facedata 3194 0 < aio_load $path, $facedata
2610 or die "$path: $!"; 3195 or die "$path: $!";
2612 $facedata = Coro::Storable::thaw $facedata; 3197 $facedata = Coro::Storable::thaw $facedata;
2613 3198
2614 $facedata->{version} == 2 3199 $facedata->{version} == 2
2615 or cf::cleanup "$path: version mismatch, cannot proceed."; 3200 or cf::cleanup "$path: version mismatch, cannot proceed.";
2616 3201
3202 # patch in the exptable
3203 $facedata->{resource}{"res/exp_table"} = {
3204 type => FT_RSRC,
3205 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3206 };
3207 cf::cede_to_tick;
3208
2617 { 3209 {
2618 my $faces = $facedata->{faceinfo}; 3210 my $faces = $facedata->{faceinfo};
2619 3211
2620 while (my ($face, $info) = each %$faces) { 3212 while (my ($face, $info) = each %$faces) {
2621 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3213 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214
2622 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3215 cf::face::set_visibility $idx, $info->{visibility};
3216 cf::face::set_magicmap $idx, $info->{magicmap};
2623 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3217 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2624 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3218 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2625 Coro::cede; 3219
3220 cf::cede_to_tick;
2626 } 3221 }
2627 3222
2628 while (my ($face, $info) = each %$faces) { 3223 while (my ($face, $info) = each %$faces) {
2629 next unless $info->{smooth}; 3224 next unless $info->{smooth};
3225
2630 my $idx = cf::face::find $face 3226 my $idx = cf::face::find $face
2631 or next; 3227 or next;
3228
2632 if (my $smooth = cf::face::find $info->{smooth}) { 3229 if (my $smooth = cf::face::find $info->{smooth}) {
3230 cf::face::set_smooth $idx, $smooth;
2633 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3231 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634 } else { 3232 } else {
2635 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3233 warn "smooth face '$info->{smooth}' not found for face '$face'";
2636 } 3234 }
2637 Coro::cede; 3235
3236 cf::cede_to_tick;
2638 } 3237 }
2639 } 3238 }
2640 3239
2641 { 3240 {
2642 my $anims = $facedata->{animinfo}; 3241 my $anims = $facedata->{animinfo};
2643 3242
2644 while (my ($anim, $info) = each %$anims) { 3243 while (my ($anim, $info) = each %$anims) {
2645 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3244 cf::anim::set $anim, $info->{frames}, $info->{facings};
2646 Coro::cede; 3245 cf::cede_to_tick;
2647 } 3246 }
2648 3247
2649 cf::anim::invalidate_all; # d'oh 3248 cf::anim::invalidate_all; # d'oh
2650 } 3249 }
2651 3250
3251 {
3252 # TODO: for gcfclient pleasure, we should give resources
3253 # that gcfclient doesn't grok a >10000 face index.
3254 my $res = $facedata->{resource};
3255
3256 while (my ($name, $info) = each %$res) {
3257 if (defined $info->{type}) {
3258 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259 my $data;
3260
3261 if ($info->{type} & 1) {
3262 # prepend meta info
3263
3264 my $meta = $enc->encode ({
3265 name => $name,
3266 %{ $info->{meta} || {} },
3267 });
3268
3269 $data = pack "(w/a*)*", $meta, $info->{data};
3270 } else {
3271 $data = $info->{data};
3272 }
3273
3274 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275 cf::face::set_type $idx, $info->{type};
3276 } else {
3277 $RESOURCE{$name} = $info;
3278 }
3279
3280 cf::cede_to_tick;
3281 }
3282 }
3283
3284 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285
2652 1 3286 1
2653} 3287}
2654 3288
3289cf::global->attach (on_resource_update => sub {
3290 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294 my $sound = $soundconf->{compat}[$_]
3295 or next;
3296
3297 my $face = cf::face::find "sound/$sound->[1]";
3298 cf::sound::set $sound->[0] => $face;
3299 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300 }
3301
3302 while (my ($k, $v) = each %{$soundconf->{event}}) {
3303 my $face = cf::face::find "sound/$v";
3304 cf::sound::set $k => $face;
3305 }
3306 }
3307});
3308
3309register_exticmd fx_want => sub {
3310 my ($ns, $want) = @_;
3311
3312 while (my ($k, $v) = each %$want) {
3313 $ns->fx_want ($k, $v);
3314 }
3315};
3316
3317sub load_resource_file($) {
3318 my $guard = lock_acquire "load_resource_file";
3319
3320 my $status = load_resource_file_ $_[0];
3321 get_slot 0.1, 100;
3322 cf::arch::commit_load;
3323
3324 $status
3325}
3326
2655sub reload_regions { 3327sub reload_regions {
3328 # HACK to clear player env face cache, we need some signal framework
3329 # for this (global event?)
3330 %ext::player_env::MUSIC_FACE_CACHE = ();
3331
2656 load_resource_file "$MAPDIR/regions" 3332 load_resource_file "$MAPDIR/regions"
2657 or die "unable to load regions file\n"; 3333 or die "unable to load regions file\n";
3334
3335 for (cf::region::list) {
3336 $_->{match} = qr/$_->{match}/
3337 if exists $_->{match};
3338 }
2658} 3339}
2659 3340
2660sub reload_facedata { 3341sub reload_facedata {
2661 load_facedata "$DATADIR/facedata" 3342 load_facedata "$DATADIR/facedata"
2662 or die "unable to load facedata\n"; 3343 or die "unable to load facedata\n";
2673} 3354}
2674 3355
2675sub reload_resources { 3356sub reload_resources {
2676 warn "reloading resource files...\n"; 3357 warn "reloading resource files...\n";
2677 3358
3359 reload_facedata;
3360 reload_archetypes;
2678 reload_regions; 3361 reload_regions;
2679 reload_facedata;
2680 #reload_archetypes;#d#
2681 reload_archetypes;
2682 reload_treasures; 3362 reload_treasures;
2683 3363
2684 warn "finished reloading resource files\n"; 3364 warn "finished reloading resource files\n";
2685} 3365}
2686 3366
2687sub init { 3367sub reload_config {
2688 reload_resources;
2689}
2690
2691sub cfg_load {
2692 open my $fh, "<:utf8", "$CONFDIR/config" 3368 open my $fh, "<:utf8", "$CONFDIR/config"
2693 or return; 3369 or return;
2694 3370
2695 local $/; 3371 local $/;
2696 *CFG = YAML::Syck::Load <$fh>; 3372 *CFG = YAML::Load <$fh>;
2697 3373
2698 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3374 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2699 3375
2700 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3376 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3377 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2707 }; 3383 };
2708 warn $@ if $@; 3384 warn $@ if $@;
2709 } 3385 }
2710} 3386}
2711 3387
3388sub pidfile() {
3389 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3390 or die "$PIDFILE: $!";
3391 flock $fh, &Fcntl::LOCK_EX
3392 or die "$PIDFILE: flock: $!";
3393 $fh
3394}
3395
3396# make sure only one server instance is running at any one time
3397sub atomic {
3398 my $fh = pidfile;
3399
3400 my $pid = <$fh>;
3401 kill 9, $pid if $pid > 0;
3402
3403 seek $fh, 0, 0;
3404 print $fh $$;
3405}
3406
3407sub main_loop {
3408 warn "EV::loop starting\n";
3409 if (1) {
3410 EV::loop;
3411 }
3412 warn "EV::loop returned\n";
3413 goto &main_loop unless $REALLY_UNLOOP;
3414}
3415
2712sub main { 3416sub main {
3417 cf::init_globals; # initialise logging
3418
3419 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3420 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3421 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3422 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3423
3424 cf::init_experience;
3425 cf::init_anim;
3426 cf::init_attackmess;
3427 cf::init_dynamic;
3428
3429 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3430
2713 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2714 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2715 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716 (async { 3434 (async {
2717 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2718 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2719 }; 3438 };
2720 3439
2721 cfg_load; 3440 evthread_start IO::AIO::poll_fileno;
3441
3442 cf::sync_job {
3443 reload_resources;
3444 reload_config;
2722 db_init; 3445 db_init;
3446
3447 cf::load_settings;
3448 cf::load_materials;
3449 cf::init_uuid;
3450 cf::init_signals;
3451 cf::init_commands;
3452 cf::init_skills;
3453
3454 cf::init_beforeplay;
3455
3456 atomic;
3457
2723 load_extensions; 3458 load_extensions;
2724 3459
2725 $TICK_WATCHER->start; 3460 utime time, time, $RUNTIMEFILE;
2726 Event::loop; 3461
3462 # no (long-running) fork's whatsoever before this point(!)
3463 use POSIX ();
3464 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3465
3466 (pop @POST_INIT)->(0) while @POST_INIT;
3467 };
3468
3469 main_loop;
2727} 3470}
2728 3471
2729############################################################################# 3472#############################################################################
2730# initialisation and cleanup 3473# initialisation and cleanup
2731 3474
2732# install some emergency cleanup handlers 3475# install some emergency cleanup handlers
2733BEGIN { 3476BEGIN {
3477 our %SIGWATCHER = ();
2734 for my $signal (qw(INT HUP TERM)) { 3478 for my $signal (qw(INT HUP TERM)) {
2735 Event->signal ( 3479 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2736 reentrant => 0,
2737 data => WF_AUTOCANCEL,
2738 signal => $signal,
2739 prio => 0,
2740 cb => sub {
2741 cf::cleanup "SIG$signal"; 3480 cf::cleanup "SIG$signal";
2742 },
2743 ); 3481 };
2744 } 3482 }
2745} 3483}
2746 3484
2747sub write_runtime { 3485sub write_runtime_sync {
2748 my $runtime = "$LOCALDIR/runtime";
2749
2750 # first touch the runtime file to show we are still running: 3486 # first touch the runtime file to show we are still running:
2751 # the fsync below can take a very very long time. 3487 # the fsync below can take a very very long time.
2752 3488
2753 IO::AIO::aio_utime $runtime, undef, undef; 3489 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754 3490
2755 my $guard = cf::lock_acquire "write_runtime"; 3491 my $guard = cf::lock_acquire "write_runtime";
2756 3492
2757 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3493 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2758 or return; 3494 or return;
2759 3495
2760 my $value = $cf::RUNTIME + 90 + 10; 3496 my $value = $cf::RUNTIME + 90 + 10;
2761 # 10 is the runtime save interval, for a monotonic clock 3497 # 10 is the runtime save interval, for a monotonic clock
2762 # 60 allows for the watchdog to kill the server. 3498 # 60 allows for the watchdog to kill the server.
2772 aio_utime $fh, undef, undef; 3508 aio_utime $fh, undef, undef;
2773 3509
2774 close $fh 3510 close $fh
2775 or return; 3511 or return;
2776 3512
2777 aio_rename "$runtime~", $runtime 3513 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778 and return; 3514 and return;
2779 3515
2780 warn "runtime file written.\n"; 3516 warn "runtime file written.\n";
2781 3517
2782 1 3518 1
3519}
3520
3521our $uuid_lock;
3522our $uuid_skip;
3523
3524sub write_uuid_sync($) {
3525 $uuid_skip ||= $_[0];
3526
3527 return if $uuid_lock;
3528 local $uuid_lock = 1;
3529
3530 my $uuid = "$LOCALDIR/uuid";
3531
3532 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3533 or return;
3534
3535 my $value = uuid_seq uuid_cur;
3536
3537 unless ($value) {
3538 warn "cowardly refusing to write zero uuid value!\n";
3539 return;
3540 }
3541
3542 my $value = uuid_str $value + $uuid_skip;
3543 $uuid_skip = 0;
3544
3545 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3546 and return;
3547
3548 # always fsync - this file is important
3549 aio_fsync $fh
3550 and return;
3551
3552 close $fh
3553 or return;
3554
3555 aio_rename "$uuid~", $uuid
3556 and return;
3557
3558 warn "uuid file written ($value).\n";
3559
3560 1
3561
3562}
3563
3564sub write_uuid($$) {
3565 my ($skip, $sync) = @_;
3566
3567 $sync ? write_uuid_sync $skip
3568 : async { write_uuid_sync $skip };
2783} 3569}
2784 3570
2785sub emergency_save() { 3571sub emergency_save() {
2786 my $freeze_guard = cf::freeze_mainloop; 3572 my $freeze_guard = cf::freeze_mainloop;
2787 3573
2788 warn "enter emergency perl save\n"; 3574 warn "emergency_perl_save: enter\n";
2789 3575
2790 cf::sync_job { 3576 cf::sync_job {
3577 # this is a trade-off: we want to be very quick here, so
3578 # save all maps without fsync, and later call a global sync
3579 # (which in turn might be very very slow)
3580 local $USE_FSYNC = 0;
3581
2791 # use a peculiar iteration method to avoid tripping on perl 3582 # use a peculiar iteration method to avoid tripping on perl
2792 # refcount bugs in for. also avoids problems with players 3583 # refcount bugs in for. also avoids problems with players
2793 # and maps saved/destroyed asynchronously. 3584 # and maps saved/destroyed asynchronously.
2794 warn "begin emergency player save\n"; 3585 warn "emergency_perl_save: begin player save\n";
2795 for my $login (keys %cf::PLAYER) { 3586 for my $login (keys %cf::PLAYER) {
2796 my $pl = $cf::PLAYER{$login} or next; 3587 my $pl = $cf::PLAYER{$login} or next;
2797 $pl->valid or next; 3588 $pl->valid or next;
3589 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798 $pl->save; 3590 $pl->save;
2799 } 3591 }
2800 warn "end emergency player save\n"; 3592 warn "emergency_perl_save: end player save\n";
2801 3593
2802 warn "begin emergency map save\n"; 3594 warn "emergency_perl_save: begin map save\n";
2803 for my $path (keys %cf::MAP) { 3595 for my $path (keys %cf::MAP) {
2804 my $map = $cf::MAP{$path} or next; 3596 my $map = $cf::MAP{$path} or next;
2805 $map->valid or next; 3597 $map->valid or next;
2806 $map->save; 3598 $map->save;
2807 } 3599 }
2808 warn "end emergency map save\n"; 3600 warn "emergency_perl_save: end map save\n";
2809 3601
2810 warn "begin emergency database checkpoint\n"; 3602 warn "emergency_perl_save: begin database checkpoint\n";
2811 BDB::db_env_txn_checkpoint $DB_ENV; 3603 BDB::db_env_txn_checkpoint $DB_ENV;
2812 warn "end emergency database checkpoint\n"; 3604 warn "emergency_perl_save: end database checkpoint\n";
3605
3606 warn "emergency_perl_save: begin write uuid\n";
3607 write_uuid_sync 1;
3608 warn "emergency_perl_save: end write uuid\n";
2813 }; 3609 };
2814 3610
3611 warn "emergency_perl_save: starting sync()\n";
3612 IO::AIO::aio_sync sub {
3613 warn "emergency_perl_save: finished sync()\n";
3614 };
3615
2815 warn "leave emergency perl save\n"; 3616 warn "emergency_perl_save: leave\n";
2816} 3617}
2817 3618
2818sub post_cleanup { 3619sub post_cleanup {
2819 my ($make_core) = @_; 3620 my ($make_core) = @_;
2820 3621
2821 warn Carp::longmess "post_cleanup backtrace" 3622 warn Carp::longmess "post_cleanup backtrace"
2822 if $make_core; 3623 if $make_core;
3624
3625 my $fh = pidfile;
3626 unlink $PIDFILE if <$fh> == $$;
3627}
3628
3629# a safer delete_package, copied from Symbol
3630sub clear_package($) {
3631 my $pkg = shift;
3632
3633 # expand to full symbol table name if needed
3634 unless ($pkg =~ /^main::.*::$/) {
3635 $pkg = "main$pkg" if $pkg =~ /^::/;
3636 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3637 $pkg .= '::' unless $pkg =~ /::$/;
3638 }
3639
3640 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3641 my $stem_symtab = *{$stem}{HASH};
3642
3643 defined $stem_symtab and exists $stem_symtab->{$leaf}
3644 or return;
3645
3646 # clear all symbols
3647 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3648 for my $name (keys %$leaf_symtab) {
3649 _gv_clear *{"$pkg$name"};
3650# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3651 }
3652 warn "cleared package $pkg\n";#d#
2823} 3653}
2824 3654
2825sub do_reload_perl() { 3655sub do_reload_perl() {
2826 # can/must only be called in main 3656 # can/must only be called in main
2827 if ($Coro::current != $Coro::main) { 3657 if ($Coro::current != $Coro::main) {
2828 warn "can only reload from main coroutine"; 3658 warn "can only reload from main coroutine";
2829 return; 3659 return;
2830 } 3660 }
2831 3661
3662 return if $RELOAD++;
3663
3664 my $t1 = EV::time;
3665
3666 while ($RELOAD) {
2832 warn "reloading..."; 3667 warn "reloading...";
2833 3668
2834 warn "entering sync_job"; 3669 warn "entering sync_job";
2835 3670
2836 cf::sync_job { 3671 cf::sync_job {
2837 cf::write_runtime; # external watchdog should not bark 3672 cf::write_runtime_sync; # external watchdog should not bark
2838 cf::emergency_save; 3673 cf::emergency_save;
2839 cf::write_runtime; # external watchdog should not bark 3674 cf::write_runtime_sync; # external watchdog should not bark
2840 3675
2841 warn "syncing database to disk"; 3676 warn "syncing database to disk";
2842 BDB::db_env_txn_checkpoint $DB_ENV; 3677 BDB::db_env_txn_checkpoint $DB_ENV;
2843 3678
2844 # if anything goes wrong in here, we should simply crash as we already saved 3679 # if anything goes wrong in here, we should simply crash as we already saved
2845 3680
2846 warn "cancelling all WF_AUTOCANCEL watchers";
2847 for (Event::all_watchers) {
2848 $_->cancel if $_->data & WF_AUTOCANCEL;
2849 }
2850
2851 warn "flushing outstanding aio requests"; 3681 warn "flushing outstanding aio requests";
2852 for (;;) {
2853 BDB::flush;
2854 IO::AIO::flush;
2855 Coro::cede;
2856 last unless IO::AIO::nreqs || BDB::nreqs; 3682 while (IO::AIO::nreqs || BDB::nreqs) {
2857 warn "iterate..."; 3683 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2858 }
2859
2860 ++$RELOAD;
2861
2862 warn "cancelling all extension coros";
2863 $_->cancel for values %EXT_CORO;
2864 %EXT_CORO = ();
2865
2866 warn "removing commands";
2867 %COMMAND = ();
2868
2869 warn "removing ext commands";
2870 %EXTCMD = ();
2871
2872 warn "unloading/nuking all extensions";
2873 for my $pkg (@EXTS) {
2874 warn "... unloading $pkg";
2875
2876 if (my $cb = $pkg->can ("unload")) {
2877 eval {
2878 $cb->($pkg);
2879 1
2880 } or warn "$pkg unloaded, but with errors: $@";
2881 } 3684 }
2882 3685
2883 warn "... nuking $pkg"; 3686 warn "cancelling all extension coros";
2884 Symbol::delete_package $pkg; 3687 $_->cancel for values %EXT_CORO;
2885 } 3688 %EXT_CORO = ();
2886 3689
2887 warn "unloading all perl modules loaded from $LIBDIR"; 3690 warn "removing commands";
2888 while (my ($k, $v) = each %INC) { 3691 %COMMAND = ();
2889 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890 3692
3693 warn "removing ext/exti commands";
3694 %EXTCMD = ();
3695 %EXTICMD = ();
3696
3697 warn "unloading/nuking all extensions";
3698 for my $pkg (@EXTS) {
2891 warn "... unloading $k"; 3699 warn "... unloading $pkg";
2892 delete $INC{$k};
2893 3700
2894 $k =~ s/\.pm$//;
2895 $k =~ s/\//::/g;
2896
2897 if (my $cb = $k->can ("unload_module")) { 3701 if (my $cb = $pkg->can ("unload")) {
3702 eval {
2898 $cb->(); 3703 $cb->($pkg);
3704 1
3705 } or warn "$pkg unloaded, but with errors: $@";
3706 }
3707
3708 warn "... clearing $pkg";
3709 clear_package $pkg;
2899 } 3710 }
2900 3711
2901 Symbol::delete_package $k; 3712 warn "unloading all perl modules loaded from $LIBDIR";
3713 while (my ($k, $v) = each %INC) {
3714 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3715
3716 warn "... unloading $k";
3717 delete $INC{$k};
3718
3719 $k =~ s/\.pm$//;
3720 $k =~ s/\//::/g;
3721
3722 if (my $cb = $k->can ("unload_module")) {
3723 $cb->();
3724 }
3725
3726 clear_package $k;
2902 } 3727 }
2903 3728
2904 warn "getting rid of safe::, as good as possible"; 3729 warn "getting rid of safe::, as good as possible";
2905 Symbol::delete_package "safe::$_" 3730 clear_package "safe::$_"
2906 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3731 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907 3732
2908 warn "unloading cf.pm \"a bit\""; 3733 warn "unloading cf.pm \"a bit\"";
2909 delete $INC{"cf.pm"}; 3734 delete $INC{"cf.pm"};
2910 delete $INC{"cf/pod.pm"}; 3735 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911 3736
2912 # don't, removes xs symbols, too, 3737 # don't, removes xs symbols, too,
2913 # and global variables created in xs 3738 # and global variables created in xs
2914 #Symbol::delete_package __PACKAGE__; 3739 #clear_package __PACKAGE__;
2915 3740
2916 warn "unload completed, starting to reload now"; 3741 warn "unload completed, starting to reload now";
2917 3742
2918 warn "reloading cf.pm"; 3743 warn "reloading cf.pm";
2919 require cf; 3744 require cf;
2920 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3745 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2921 3746
2922 warn "loading config and database again"; 3747 warn "loading config and database again";
2923 cf::cfg_load; 3748 cf::reload_config;
2924 3749
2925 warn "loading extensions"; 3750 warn "loading extensions";
2926 cf::load_extensions; 3751 cf::load_extensions;
2927 3752
3753 if ($REATTACH_ON_RELOAD) {
2928 warn "reattaching attachments to objects/players"; 3754 warn "reattaching attachments to objects/players";
2929 _global_reattach; # objects, sockets 3755 _global_reattach; # objects, sockets
2930 warn "reattaching attachments to maps"; 3756 warn "reattaching attachments to maps";
2931 reattach $_ for values %MAP; 3757 reattach $_ for values %MAP;
2932 warn "reattaching attachments to players"; 3758 warn "reattaching attachments to players";
2933 reattach $_ for values %PLAYER; 3759 reattach $_ for values %PLAYER;
3760 }
2934 3761
3762 warn "running post_init jobs";
3763 (pop @POST_INIT)->(1) while @POST_INIT;
3764
2935 warn "leaving sync_job"; 3765 warn "leaving sync_job";
2936 3766
2937 1 3767 1
2938 } or do { 3768 } or do {
2939 warn $@; 3769 warn $@;
2940 warn "error while reloading, exiting."; 3770 cf::cleanup "error while reloading, exiting.";
2941 exit 1;
2942 }; 3771 };
2943 3772
2944 warn "reloaded"; 3773 warn "reloaded";
3774 --$RELOAD;
3775 }
3776
3777 $t1 = EV::time - $t1;
3778 warn "reload completed in ${t1}s\n";
2945}; 3779};
2946 3780
2947our $RELOAD_WATCHER; # used only during reload 3781our $RELOAD_WATCHER; # used only during reload
2948 3782
2949sub reload_perl() { 3783sub reload_perl() {
2950 # doing reload synchronously and two reloads happen back-to-back, 3784 # doing reload synchronously and two reloads happen back-to-back,
2951 # coro crashes during coro_state_free->destroy here. 3785 # coro crashes during coro_state_free->destroy here.
2952 3786
2953 $RELOAD_WATCHER ||= Event->timer ( 3787 $RELOAD_WATCHER ||= cf::async {
2954 reentrant => 0, 3788 Coro::AIO::aio_wait cache_extensions;
2955 after => 0, 3789
2956 data => WF_AUTOCANCEL, 3790 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
2957 cb => sub {
2958 do_reload_perl; 3791 do_reload_perl;
2959 undef $RELOAD_WATCHER; 3792 undef $RELOAD_WATCHER;
2960 }, 3793 };
2961 ); 3794 };
2962} 3795}
2963 3796
2964register_command "reload" => sub { 3797register_command "reload" => sub {
2965 my ($who, $arg) = @_; 3798 my ($who, $arg) = @_;
2966 3799
2967 if ($who->flag (FLAG_WIZ)) { 3800 if ($who->flag (FLAG_WIZ)) {
2968 $who->message ("reloading server."); 3801 $who->message ("reloading server.");
3802 async {
3803 $Coro::current->{desc} = "perl_reload";
2969 async { reload_perl }; 3804 reload_perl;
3805 };
2970 } 3806 }
2971}; 3807};
2972 3808
2973unshift @INC, $LIBDIR; 3809unshift @INC, $LIBDIR;
2974 3810
2976 3812
2977our @WAIT_FOR_TICK; 3813our @WAIT_FOR_TICK;
2978our @WAIT_FOR_TICK_BEGIN; 3814our @WAIT_FOR_TICK_BEGIN;
2979 3815
2980sub wait_for_tick { 3816sub wait_for_tick {
2981 return unless $TICK_WATCHER->is_active;
2982 return if $Coro::current == $Coro::main; 3817 return if tick_inhibit || $Coro::current == $Coro::main;
2983 3818
2984 my $signal = new Coro::Signal; 3819 my $signal = new Coro::Signal;
2985 push @WAIT_FOR_TICK, $signal; 3820 push @WAIT_FOR_TICK, $signal;
2986 $signal->wait; 3821 $signal->wait;
2987} 3822}
2988 3823
2989sub wait_for_tick_begin { 3824sub wait_for_tick_begin {
2990 return unless $TICK_WATCHER->is_active;
2991 return if $Coro::current == $Coro::main; 3825 return if tick_inhibit || $Coro::current == $Coro::main;
2992 3826
2993 my $signal = new Coro::Signal; 3827 my $signal = new Coro::Signal;
2994 push @WAIT_FOR_TICK_BEGIN, $signal; 3828 push @WAIT_FOR_TICK_BEGIN, $signal;
2995 $signal->wait; 3829 $signal->wait;
2996} 3830}
2997 3831
2998 my $min = 1e6;#d# 3832sub tick {
2999 my $avg = 10;
3000$TICK_WATCHER = Event->timer (
3001 reentrant => 0,
3002 parked => 1,
3003 prio => 0,
3004 at => $NEXT_TICK || $TICK,
3005 data => WF_AUTOCANCEL,
3006 cb => sub {
3007 if ($Coro::current != $Coro::main) { 3833 if ($Coro::current != $Coro::main) {
3008 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3834 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009 unless ++$bug_warning > 10; 3835 unless ++$bug_warning > 10;
3010 return; 3836 return;
3011 } 3837 }
3012 3838
3013 $NOW = $tick_start = Event::time;
3014
3015 cf::server_tick; # one server iteration 3839 cf::server_tick; # one server iteration
3016 3840
3017 0 && sync_job {#d# 3841 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018 for(1..10) { 3842 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019 my $t = Event::time; 3843 Coro::async_pool {
3020 my $map = my $map = new_from_path cf::map "/tmp/x.map" 3844 $Coro::current->{desc} = "runtime saver";
3021 or die; 3845 write_runtime_sync
3022 3846 or warn "ERROR: unable to write runtime file: $!";
3023 $map->width (50);
3024 $map->height (50);
3025 $map->alloc;
3026 $map->_load_objects ("/tmp/x.map", 1);
3027 my $t = Event::time - $t;
3028
3029 #next unless $t < 0.0013;#d#
3030 if ($t < $min) {
3031 $min = $t;
3032 }
3033 $avg = $avg * 0.99 + $t * 0.01;
3034 }
3035 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036 exit 0;
3037 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038 }; 3847 };
3848 }
3039 3849
3040 $RUNTIME += $TICK;
3041 $NEXT_TICK += $TICK;
3042
3043 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044 $NEXT_RUNTIME_WRITE = $NOW + 10;
3045 Coro::async_pool {
3046 write_runtime
3047 or warn "ERROR: unable to write runtime file: $!";
3048 };
3049 }
3050
3051# my $AFTER = Event::time;
3052# warn $AFTER - $NOW;#d#
3053
3054 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3850 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055 $sig->send; 3851 $sig->send;
3056 } 3852 }
3057 while (my $sig = shift @WAIT_FOR_TICK) { 3853 while (my $sig = shift @WAIT_FOR_TICK) {
3058 $sig->send; 3854 $sig->send;
3059 } 3855 }
3060 3856
3061 $NOW = Event::time; 3857 $LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063 # if we are delayed by four ticks or more, skip them all
3064 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066 $TICK_WATCHER->at ($NEXT_TICK);
3067 $TICK_WATCHER->start;
3068
3069 $LOAD = ($NOW - $tick_start) / $TICK;
3070 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3858 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071 3859
3072 _post_tick; 3860 if (0) {
3073 3861 if ($NEXT_TICK) {
3074 3862 my $jitter = $TICK_START - $NEXT_TICK;
3863 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3864 warn "jitter $JITTER\n";#d#
3865 }
3075 }, 3866 }
3076); 3867}
3077 3868
3078{ 3869{
3079 BDB::max_poll_time $TICK * 0.1; 3870 # configure BDB
3080 $BDB_POLL_WATCHER = Event->io ( 3871
3081 reentrant => 0,
3082 fd => BDB::poll_fileno,
3083 poll => 'r',
3084 prio => 0,
3085 data => WF_AUTOCANCEL,
3086 cb => \&BDB::poll_cb,
3087 );
3088 BDB::min_parallel 8; 3872 BDB::min_parallel 8;
3089 3873 BDB::max_poll_reqs $TICK * 0.1;
3090 BDB::set_sync_prepare { 3874 $AnyEvent::BDB::WATCHER->priority (1);
3091 my $status;
3092 my $current = $Coro::current;
3093 (
3094 sub {
3095 $status = $!;
3096 $current->ready; undef $current;
3097 },
3098 sub {
3099 Coro::schedule while defined $current;
3100 $! = $status;
3101 },
3102 )
3103 };
3104 3875
3105 unless ($DB_ENV) { 3876 unless ($DB_ENV) {
3106 $DB_ENV = BDB::db_env_create; 3877 $DB_ENV = BDB::db_env_create;
3878 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3879 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3880 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3881 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3882 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107 3883
3108 cf::sync_job { 3884 cf::sync_job {
3109 eval { 3885 eval {
3110 BDB::db_env_open 3886 BDB::db_env_open
3111 $DB_ENV, 3887 $DB_ENV,
3113 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3889 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3890 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115 0666; 3891 0666;
3116 3892
3117 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3893 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120 $DB_ENV->set_lk_detect;
3121 }; 3894 };
3122 3895
3123 cf::cleanup "db_env_open(db): $@" if $@; 3896 cf::cleanup "db_env_open(db): $@" if $@;
3124 }; 3897 };
3125 } 3898 }
3899
3900 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3901 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3902 };
3903 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3904 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3905 };
3906 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3907 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3908 };
3126} 3909}
3127 3910
3128{ 3911{
3912 # configure IO::AIO
3913
3129 IO::AIO::min_parallel 8; 3914 IO::AIO::min_parallel 8;
3130
3131 undef $Coro::AIO::WATCHER;
3132 IO::AIO::max_poll_time $TICK * 0.1; 3915 IO::AIO::max_poll_time $TICK * 0.1;
3133 $AIO_POLL_WATCHER = Event->io ( 3916 undef $AnyEvent::AIO::WATCHER;
3134 reentrant => 0,
3135 data => WF_AUTOCANCEL,
3136 fd => IO::AIO::poll_fileno,
3137 poll => 'r',
3138 prio => 6,
3139 cb => \&IO::AIO::poll_cb,
3140 );
3141} 3917}
3142 3918
3143my $_log_backtrace; 3919my $_log_backtrace;
3144 3920
3145sub _log_backtrace { 3921sub _log_backtrace {
3148 $msg =~ s/\n//; 3924 $msg =~ s/\n//;
3149 3925
3150 # limit the # of concurrent backtraces 3926 # limit the # of concurrent backtraces
3151 if ($_log_backtrace < 2) { 3927 if ($_log_backtrace < 2) {
3152 ++$_log_backtrace; 3928 ++$_log_backtrace;
3929 my $perl_bt = Carp::longmess $msg;
3153 async { 3930 async {
3931 $Coro::current->{desc} = "abt $msg";
3932
3154 my @bt = fork_call { 3933 my @bt = fork_call {
3155 @addr = map { sprintf "%x", $_ } @addr; 3934 @addr = map { sprintf "%x", $_ } @addr;
3156 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3935 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3936 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158 or die "addr2line: $!"; 3937 or die "addr2line: $!";
3166 } 3945 }
3167 3946
3168 @funcs 3947 @funcs
3169 }; 3948 };
3170 3949
3171 LOG llevInfo, "[ABT] $msg\n"; 3950 LOG llevInfo, "[ABT] $perl_bt\n";
3951 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172 LOG llevInfo, "[ABT] $_\n" for @bt; 3952 LOG llevInfo, "[ABT] $_\n" for @bt;
3173 --$_log_backtrace; 3953 --$_log_backtrace;
3174 }; 3954 };
3175 } else { 3955 } else {
3176 LOG llevInfo, "[ABT] $msg\n"; 3956 LOG llevInfo, "[ABT] $msg\n";
3177 LOG llevInfo, "[ABT] [suppressed]\n"; 3957 LOG llevInfo, "[ABT] [suppressed]\n";
3178 } 3958 }
3179} 3959}
3180 3960
3181# load additional modules 3961# load additional modules
3182use cf::pod; 3962require "cf/$_.pm" for @EXTRA_MODULES;
3183 3963
3184END { cf::emergency_save } 3964END { cf::emergency_save }
3185 3965
31861 39661
3187 3967

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