ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.327 by root, Wed Aug 1 17:22:51 2007 UTC vs.
Revision 1.543 by root, Wed May 5 23:23:29 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# 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 Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
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
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
64our $DATADIR = datadir; 98our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
74 118
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 121our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
82 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
85 130
86our %CFG; 131our %CFG;
87 132
88our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 134our $RUNTIME;
135our $NOW;
90 136
91our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
94 140
95# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 143
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
100our $tick_start; # for load detecting purposes 147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
101 153
102binmode STDOUT; 154binmode STDOUT;
103binmode STDERR; 155binmode STDERR;
104 156
105# read virtual server time, if available 157# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
110} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
111 165
112mkdir $_ 166mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 168
115our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
116 170
117sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118 187
119############################################################################# 188#############################################################################
120 189
121=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
122 191
158 227
159The raw value load value from the last tick. 228The raw value load value from the last tick.
160 229
161=item %cf::CFG 230=item %cf::CFG
162 231
163Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 233from wherever your confdir points to.
165 234
166=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
167 236
168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one process
170per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171 240
172=item @cf::INVOKE_RESULTS 241=item @cf::INVOKE_RESULTS
173 242
174This array contains the results of the last C<invoke ()> call. When 243This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 244C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 245that call.
177 246
247=item %cf::REFLECT
248
249Contains, for each (C++) class name, a hash reference with information
250about object members (methods, scalars, arrays and flags) and other
251metadata, which is useful for introspection.
252
178=back 253=back
179 254
180=cut 255=cut
181 256
182BEGIN { 257sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 258sub warn (@) { LOG llevWarn , join "", @_ }
259sub info (@) { LOG llevInfo , join "", @_ }
260sub debug(@) { LOG llevDebug, join "", @_ }
261sub trace(@) { LOG llevTrace, join "", @_ }
262
263$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 264 my $msg = join "", @_;
185 265
186 $msg .= "\n" 266 $msg .= "\n"
187 unless $msg =~ /\n$/; 267 unless $msg =~ /\n$/;
188 268
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 269 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 270
191 utf8::encode $msg;
192 LOG llevError, $msg; 271 LOG llevWarn, $msg;
193 }; 272};
194} 273
274$Coro::State::DIEHOOK = sub {
275 return unless $^S eq 0; # "eq", not "=="
276
277 error Carp::longmess $_[0];
278
279 if (in_main) {#d#
280 error "DIEHOOK called in main context, Coro bug?\n";#d#
281 return;#d#
282 }#d#
283
284 # kill coroutine otherwise
285 Coro::terminate
286};
195 287
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 288@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 289@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 290@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 291@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 298for my $pkg (qw(
207 cf::global cf::attachable 299 cf::global cf::attachable
208 cf::object cf::object::player 300 cf::object cf::object::player
209 cf::client cf::player 301 cf::client cf::player
210 cf::arch cf::living 302 cf::arch cf::living
303 cf::map cf::mapspace
211 cf::map cf::party cf::region 304 cf::party cf::region
212)) { 305)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 306 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 307}
216 308
217$Event::DIED = sub { 309$EV::DIED = sub {
218 warn "error in event callback: @_"; 310 Carp::cluck "error in event callback: @_";
219}; 311};
220 312
221############################################################################# 313#############################################################################
222 314
223=head2 UTILITY FUNCTIONS 315=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 337 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 338 $d
247 } || "[unable to dump $_[0]: '$@']"; 339 } || "[unable to dump $_[0]: '$@']";
248} 340}
249 341
250=item $ref = cf::from_json $json 342=item $ref = cf::decode_json $json
251 343
252Converts a JSON string into the corresponding perl data structure. 344Converts a JSON string into the corresponding perl data structure.
253 345
254=item $json = cf::to_json $ref 346=item $json = cf::encode_json $ref
255 347
256Converts a perl data structure into its JSON representation. 348Converts a perl data structure into its JSON representation.
257 349
258=cut 350=cut
259 351
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 352our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 353
262sub to_json ($) { $json_coder->encode ($_[0]) } 354sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 355sub decode_json($) { $json_coder->decode ($_[0]) }
356
357=item cf::post_init { BLOCK }
358
359Execute the given codeblock, I<after> all extensions have been (re-)loaded,
360but I<before> the server starts ticking again.
361
362The cdoeblock will have a single boolean argument to indicate whether this
363is a reload or not.
364
365=cut
366
367sub post_init(&) {
368 push @POST_INIT, shift;
369}
264 370
265=item cf::lock_wait $string 371=item cf::lock_wait $string
266 372
267Wait until the given lock is available. See cf::lock_acquire. 373Wait until the given lock is available. See cf::lock_acquire.
268 374
269=item my $lock = cf::lock_acquire $string 375=item my $lock = cf::lock_acquire $string
270 376
271Wait until the given lock is available and then acquires it and returns 377Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 378a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 379for example when the coroutine gets canceled), the lock is automatically
274returned. 380returned.
275 381
382Locks are *not* recursive, locking from the same coro twice results in a
383deadlocked coro.
384
276Lock names should begin with a unique identifier (for example, cf::map::find 385Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 386uses map_find and cf::map::load uses map_load).
278 387
279=item $locked = cf::lock_active $string 388=item $locked = cf::lock_active $string
280 389
281Return true if the lock is currently active, i.e. somebody has locked it. 390Return true if the lock is currently active, i.e. somebody has locked it.
282 391
283=cut 392=cut
284 393
285our %LOCK; 394our $LOCKS = new Coro::SemaphoreSet;
286 395
287sub lock_wait($) { 396sub lock_wait($) {
288 my ($key) = @_; 397 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 398}
296 399
297sub lock_acquire($) { 400sub lock_acquire($) {
298 my ($key) = @_; 401 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 402}
310 403
311sub lock_active($) { 404sub lock_active($) {
312 my ($key) = @_; 405 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 406}
316 407
317sub freeze_mainloop { 408sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 409 tick_inhibit_inc;
319 410
320 my $guard = Coro::guard { 411 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 412}
322 }; 413
323 $TICK_WATCHER->stop; 414=item cf::periodic $interval, $cb
324 $guard 415
416Like EV::periodic, but randomly selects a starting point so that the actions
417get spread over time.
418
419=cut
420
421sub periodic($$) {
422 my ($interval, $cb) = @_;
423
424 my $start = rand List::Util::min 180, $interval;
425
426 EV::periodic $start, $interval, 0, $cb
325} 427}
326 428
327=item cf::get_slot $time[, $priority[, $name]] 429=item cf::get_slot $time[, $priority[, $name]]
328 430
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 431Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 439
338=cut 440=cut
339 441
340our @SLOT_QUEUE; 442our @SLOT_QUEUE;
341our $SLOT_QUEUE; 443our $SLOT_QUEUE;
444our $SLOT_DECAY = 0.9;
342 445
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 446$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 447$SLOT_QUEUE = Coro::async {
448 $Coro::current->desc ("timeslot manager");
449
345 my $signal = new Coro::Signal; 450 my $signal = new Coro::Signal;
451 my $busy;
346 452
347 while () { 453 while () {
348 next_job: 454 next_job:
455
349 my $avail = cf::till_tick; 456 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 457
351 for (0 .. $#SLOT_QUEUE) { 458 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 459 if ($SLOT_QUEUE[$_][0] <= $avail) {
460 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 461 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 462 $job->[2]->send;
355 Coro::cede; 463 Coro::cede;
356 goto next_job; 464 goto next_job;
357 } 465 } else {
466 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 467 }
359 } 468 }
360 469
361 if (@SLOT_QUEUE) { 470 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 471 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 472 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 473 $signal->wait;
365 } else { 474 } else {
475 $busy = 0;
366 Coro::schedule; 476 Coro::schedule;
367 } 477 }
368 } 478 }
369}; 479};
370 480
371sub get_slot($;$$) { 481sub get_slot($;$$) {
482 return if tick_inhibit || $Coro::current == $Coro::main;
483
372 my ($time, $pri, $name) = @_; 484 my ($time, $pri, $name) = @_;
373 485
374 $time = $TICK * .6 if $time > $TICK * .6; 486 $time = clamp $time, 0.01, $TICK * .6;
487
375 my $sig = new Coro::Signal; 488 my $sig = new Coro::Signal;
376 489
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 490 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 491 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 492 $SLOT_QUEUE->ready;
390 503
391BEGIN { *async = \&Coro::async_pool } 504BEGIN { *async = \&Coro::async_pool }
392 505
393=item cf::sync_job { BLOCK } 506=item cf::sync_job { BLOCK }
394 507
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 508The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 509is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 510partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 511acceptable.
399 512
400If it must be done, put the blocking parts into C<sync_job>. This will run 513If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 514the given BLOCK in another coroutine while waiting for the result. The
405=cut 518=cut
406 519
407sub sync_job(&) { 520sub sync_job(&) {
408 my ($job) = @_; 521 my ($job) = @_;
409 522
410 if ($Coro::current == $Coro::main) { 523 if (in_main) {
411 my $time = Event::time; 524 my $time = AE::time;
412 525
413 # this is the main coro, too bad, we have to block 526 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 527 # till the operation succeeds, freezing the server :/
415 528
416 # TODO: use suspend/resume instead 529 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 530
418 my $freeze_guard = freeze_mainloop; 531 my $freeze_guard = freeze_mainloop;
419 532
420 my $busy = 1; 533 my $busy = 1;
421 my @res; 534 my @res;
422 535
423 (async { 536 (async {
537 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 538 @res = eval { $job->() };
425 warn $@ if $@; 539 error $@ if $@;
426 undef $busy; 540 undef $busy;
427 })->prio (Coro::PRIO_MAX); 541 })->prio (Coro::PRIO_MAX);
428 542
429 while ($busy) { 543 while ($busy) {
430 Coro::cede or Event::one_event; 544 if (Coro::nready) {
545 Coro::cede_notself;
546 } else {
547 EV::loop EV::LOOP_ONESHOT;
431 } 548 }
549 }
432 550
433 $time = Event::time - $time; 551 my $time = AE::time - $time;
434 552
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 553 $TICK_START += $time; # do not account sync jobs to server load
439 554
440 wantarray ? @res : $res[0] 555 wantarray ? @res : $res[0]
441 } else { 556 } else {
442 # we are in another coroutine, how wonderful, everything just works 557 # we are in another coroutine, how wonderful, everything just works
443 558
468=item fork_call { }, $args 583=item fork_call { }, $args
469 584
470Executes the given code block with the given arguments in a seperate 585Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 586process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 587Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 588never block itself or use any form of event handling.
474 589
475=cut 590=cut
476
477sub _store_scalar {
478 open my $fh, ">", \my $buf
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484}
485 591
486sub fork_call(&@) { 592sub fork_call(&@) {
487 my ($cb, @args) = @_; 593 my ($cb, @args) = @_;
488 594
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 595 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 596 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 597 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 598
494 if (my $pid = fork) { 599 my @res = Coro::Util::fork_eval {
495 close $fh2;
496
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
498 warn "pst<$res>" unless $res =~ /^pst/;
499 $res = Coro::Storable::thaw $res;
500
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals; 600 reset_signals;
508 local $SIG{__WARN__}; 601 &$cb
509 local $SIG{__DIE__}; 602 }, @args;
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515 603
516 eval { 604 wantarray ? @res : $res[-1]
517 close $fh1; 605}
518 606
519 my @res = eval { $cb->(@args) }; 607sub objinfo {
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 608 (
609 "counter value" => cf::object::object_count,
610 "objects created" => cf::object::create_count,
611 "objects destroyed" => cf::object::destroy_count,
612 "freelist size" => cf::object::free_count,
613 "allocated objects" => cf::object::objects_size,
614 "active objects" => cf::object::actives_size,
615 )
616}
617
618=item $coin = coin_from_name $name
619
620=cut
621
622our %coin_alias = (
623 "silver" => "silvercoin",
624 "silvercoin" => "silvercoin",
625 "silvercoins" => "silvercoin",
626 "gold" => "goldcoin",
627 "goldcoin" => "goldcoin",
628 "goldcoins" => "goldcoin",
629 "platinum" => "platinacoin",
630 "platinumcoin" => "platinacoin",
631 "platinumcoins" => "platinacoin",
632 "platina" => "platinacoin",
633 "platinacoin" => "platinacoin",
634 "platinacoins" => "platinacoin",
635 "royalty" => "royalty",
636 "royalties" => "royalty",
637);
638
639sub coin_from_name($) {
640 $coin_alias{$_[0]}
641 ? cf::arch::find $coin_alias{$_[0]}
642 : undef
528} 643}
529 644
530=item $value = cf::db_get $family => $key 645=item $value = cf::db_get $family => $key
531 646
532Returns a single value from the environment database. 647Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 649=item cf::db_put $family => $key => $value
535 650
536Stores the given C<$value> in the family. It can currently store binary 651Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 652data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 653
654=item $db = cf::db_table "name"
655
656Create and/or open a new database table. The string must not be "db" and must be unique
657within each server.
658
539=cut 659=cut
660
661sub db_table($) {
662 cf::error "db_get called from main context"
663 if $Coro::current == $Coro::main;
664
665 my ($name) = @_;
666 my $db = BDB::db_create $DB_ENV;
667
668 eval {
669 $db->set_flags (BDB::CHKSUM);
670
671 utf8::encode $name;
672 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
673 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
674 cf::cleanup "db_open(db): $!" if $!;
675 };
676 cf::cleanup "db_open(db): $@" if $@;
677
678 $db
679}
540 680
541our $DB; 681our $DB;
542 682
543sub db_init { 683sub db_init {
544 unless ($DB) { 684 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 685}
559 686
560sub db_get($$) { 687sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 688 my $key = "$_[0]/$_[1]";
562 689
563 cf::sync_job { 690 cf::error "db_get called from main context"
691 if $Coro::current == $Coro::main;
692
564 BDB::db_get $DB, undef, $key, my $data; 693 BDB::db_get $DB, undef, $key, my $data;
565 694
566 $! ? () 695 $! ? ()
567 : $data 696 : $data
568 }
569} 697}
570 698
571sub db_put($$$) { 699sub db_put($$$) {
572 BDB::dbreq_pri 4; 700 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 701 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 740 if (1) {
613 $md5 = 741 $md5 =
614 join "\x00", 742 join "\x00",
615 $processversion, 743 $processversion,
616 map { 744 map {
617 Coro::cede; 745 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 746 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 747 } 0.. $#$src;
620 748
621 749
622 my $dbmd5 = db_get cache => "$id/md5"; 750 my $dbmd5 = db_get cache => "$id/md5";
629 757
630 my $t1 = Time::HiRes::time; 758 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 759 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 760 my $t2 = Time::HiRes::time;
633 761
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 762 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 763
636 db_put cache => "$id/data", $data; 764 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 765 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 766 db_put cache => "$id/meta", $meta;
639 767
649 777
650=cut 778=cut
651 779
652sub datalog($@) { 780sub datalog($@) {
653 my ($type, %kv) = @_; 781 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 782 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 783}
656 784
657=back 785=back
658 786
659=cut 787=cut
660 788
661############################################################################# 789#############################################################################
662 790
663=head2 ATTACHABLE OBJECTS 791=head2 ATTACHABLE OBJECTS
664 792
665Many objects in crossfire are so-called attachable objects. That means you can 793Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 794attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 795to it. All such attachable objects support the following methods.
668 796
669In the following description, CLASS can be any of C<global>, C<object> 797In the following description, CLASS can be any of C<global>, C<object>
670C<player>, C<client> or C<map> (i.e. the attachable objects in 798C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 799Deliantra).
672 800
673=over 4 801=over 4
674 802
675=item $attachable->attach ($attachment, key => $value...) 803=item $attachable->attach ($attachment, key => $value...)
676 804
720=item cf::CLASS::attachment $name, ... 848=item cf::CLASS::attachment $name, ...
721 849
722Register an attachment by C<$name> through which attachable objects of the 850Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 851given CLASS can refer to this attachment.
724 852
725Some classes such as crossfire maps and objects can specify attachments 853Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 854that are attached at load/instantiate time, thus the need for a name.
727 855
728These calls expect any number of the following handler/hook descriptions: 856These calls expect any number of the following handler/hook descriptions:
729 857
730=over 4 858=over 4
854 982
855 } elsif (exists $cb_id{$type}) { 983 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 984 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 985
858 } elsif (ref $type) { 986 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 987 error "attaching objects not supported, ignoring.\n";
860 988
861 } else { 989 } else {
862 shift @arg; 990 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 991 error "attach argument '$type' not supported, ignoring.\n";
864 } 992 }
865 } 993 }
866} 994}
867 995
868sub _object_attach { 996sub _object_attach {
878 _attach $registry, $klass, @attach; 1006 _attach $registry, $klass, @attach;
879 } 1007 }
880 1008
881 $obj->{$name} = \%arg; 1009 $obj->{$name} = \%arg;
882 } else { 1010 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1011 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1012 }
885 1013
886 $obj->{_attachment}{$name} = undef; 1014 $obj->{_attachment}{$name} = undef;
887} 1015}
888 1016
947 1075
948 for (@$callbacks) { 1076 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1077 eval { &{$_->[1]} };
950 1078
951 if ($@) { 1079 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1080 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1081 override;
955 } 1082 }
956 1083
957 return 1 if $override; 1084 return 1 if $override;
958 } 1085 }
959 1086
960 0 1087 0
961} 1088}
962 1089
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1090=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1091
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1092=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1093
967Generate an object-specific event with the given arguments. 1094Generate an object-specific event with the given arguments.
968 1095
974 1101
975=cut 1102=cut
976 1103
977############################################################################# 1104#############################################################################
978# object support 1105# object support
979#
980 1106
1107sub _object_equal($$);
1108sub _object_equal($$) {
1109 my ($a, $b) = @_;
1110
1111 return 0 unless (ref $a) eq (ref $b);
1112
1113 if ("HASH" eq ref $a) {
1114 my @ka = keys %$a;
1115 my @kb = keys %$b;
1116
1117 return 0 if @ka != @kb;
1118
1119 for (0 .. $#ka) {
1120 return 0 unless $ka[$_] eq $kb[$_];
1121 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1122 }
1123
1124 } elsif ("ARRAY" eq ref $a) {
1125
1126 return 0 if @$a != @$b;
1127
1128 for (0 .. $#$a) {
1129 return 0 unless _object_equal $a->[$_], $b->[$_];
1130 }
1131
1132 } elsif ($a ne $b) {
1133 return 0;
1134 }
1135
1136 1
1137}
1138
1139our $SLOW_MERGES;#d#
981sub _can_merge { 1140sub _can_merge {
982 my ($ob1, $ob2) = @_; 1141 my ($ob1, $ob2) = @_;
983 1142
984 local $Storable::canonical = 1; 1143 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1144
988 $fob1 eq $fob2 1145 # we do the slow way here
1146 return _object_equal $ob1, $ob2
989} 1147}
990 1148
991sub reattach { 1149sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1150 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1151 my ($obj) = @_;
994 1152
1153 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1154 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1155
997 my $registry = $obj->registry; 1156 my $registry = $obj->registry;
998 1157
999 @$registry = (); 1158 @$registry = ();
1000 1159
1005 for (@$attach) { 1164 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1165 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1166 _attach $registry, $klass, @attach;
1008 } 1167 }
1009 } else { 1168 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1169 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1170 }
1012 } 1171 }
1013} 1172}
1014 1173
1015cf::attachable->attach ( 1174cf::attachable->attach (
1016 prio => -1000000, 1175 prio => -1000000,
1017 on_instantiate => sub { 1176 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1177 my ($obj, $data) = @_;
1019 1178
1020 $data = from_json $data; 1179 $data = decode_json $data;
1021 1180
1022 for (@$data) { 1181 for (@$data) {
1023 my ($name, $args) = @$_; 1182 my ($name, $args) = @$_;
1024 1183
1025 $obj->attach ($name, %{$args || {} }); 1184 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1200sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1201 my ($filename, $rdata, $objs) = @_;
1043 1202
1044 sync_job { 1203 sync_job {
1045 if (length $$rdata) { 1204 if (length $$rdata) {
1205 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1206 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1207 $decname, length $$rdata, scalar @$objs
1208 if $VERBOSE_IO;
1048 1209
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1210 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1211 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1212 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1213 if ($cf::USE_FSYNC) {
1214 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;
1215 aio_fsync $fh;
1216 }
1053 close $fh; 1217 aio_close $fh;
1054 1218
1055 if (@$objs) { 1219 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1220 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1221 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1222 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1223 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1224 if ($cf::USE_FSYNC) {
1225 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;
1226 aio_fsync $fh;
1227 }
1061 close $fh; 1228 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1229 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1230 }
1064 } else { 1231 } else {
1065 aio_unlink "$filename.pst"; 1232 aio_unlink "$filename.pst";
1066 } 1233 }
1067 1234
1068 aio_rename "$filename~", $filename; 1235 aio_rename "$filename~", $filename;
1236
1237 $filename =~ s%/[^/]+$%%;
1238 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1239 } else {
1070 warn "FATAL: $filename~: $!\n"; 1240 error "unable to save objects: $filename~: $!\n";
1071 } 1241 }
1072 } else { 1242 } else {
1073 aio_unlink $filename; 1243 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1244 aio_unlink "$filename.pst";
1075 } 1245 }
1076 } 1246 };
1077} 1247}
1078 1248
1079sub object_freezer_as_string { 1249sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1250 my ($rdata, $objs) = @_;
1081 1251
1093 or return; 1263 or return;
1094 1264
1095 unless (aio_stat "$filename.pst") { 1265 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1266 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1267 or return;
1268
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1269 my $st = eval { Coro::Storable::thaw $av };
1270 $av = $st->{objs};
1099 } 1271 }
1100 1272
1273 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1274 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1275 $decname, length $data, scalar @{$av || []}
1276 if $VERBOSE_IO;
1277
1103 return ($data, $av); 1278 ($data, $av)
1104} 1279}
1105 1280
1106=head2 COMMAND CALLBACKS 1281=head2 COMMAND CALLBACKS
1107 1282
1108=over 4 1283=over 4
1162 my ($name, $cb) = @_; 1337 my ($name, $cb) = @_;
1163 1338
1164 $EXTICMD{$name} = $cb; 1339 $EXTICMD{$name} = $cb;
1165} 1340}
1166 1341
1342use File::Glob ();
1343
1167cf::player->attach ( 1344cf::player->attach (
1168 on_command => sub { 1345 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1346 my ($pl, $name, $params) = @_;
1170 1347
1171 my $cb = $COMMAND{$name} 1348 my $cb = $COMMAND{$name}
1172 or return; 1349 or return;
1173 1350
1186 my ($type, $reply, @payload) = 1363 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg 1364 "ARRAY" eq ref $msg
1188 ? @$msg 1365 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1366 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190 1367
1368 my @reply;
1369
1191 if (my $cb = $EXTCMD{$type}) { 1370 if (my $cb = $EXTCMD{$type}) {
1192 my @reply = $cb->($pl, @payload); 1371 @reply = $cb->($pl, @payload);
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196 } 1372 }
1373
1374 $pl->ext_reply ($reply, @reply)
1375 if $reply;
1376
1197 } else { 1377 } else {
1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1378 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199 } 1379 }
1200 1380
1201 cf::override; 1381 cf::override;
1202 }, 1382 },
1203); 1383);
1204 1384
1385# "readahead" all extensions
1386sub cache_extensions {
1387 my $grp = IO::AIO::aio_group;
1388
1389 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1390 for (grep /\.ext$/, @{$_[0]}) {
1391 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1392 }
1393 };
1394
1395 $grp
1396}
1397
1205sub load_extensions { 1398sub load_extensions {
1399 info "loading extensions...";
1400
1206 cf::sync_job { 1401 cf::sync_job {
1207 my %todo; 1402 my %todo;
1208 1403
1209 for my $path (<$LIBDIR/*.ext>) { 1404 for my $path (<$LIBDIR/*.ext>) {
1210 next unless -r $path; 1405 next unless -r $path;
1228 1423
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1424 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1425 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1426
1232 $ext{source} = 1427 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1428 "package $pkg; use common::sense;\n"
1234 . "#line 1 \"$path\"\n{\n" 1429 . "#line 1 \"$path\"\n{\n"
1235 . $source 1430 . $source
1236 . "\n};\n1"; 1431 . "\n};\n1";
1237 1432
1238 $todo{$base} = \%ext; 1433 $todo{$base} = \%ext;
1239 } 1434 }
1240 1435
1436 my $pass = 0;
1241 my %done; 1437 my %done;
1242 while (%todo) { 1438 while (%todo) {
1243 my $progress; 1439 my $progress;
1244 1440
1441 ++$pass;
1442
1443 ext:
1245 while (my ($k, $v) = each %todo) { 1444 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) { 1445 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip 1446 next ext
1248 unless exists $done{$_}; 1447 unless exists $done{$_};
1249 } 1448 }
1250 1449
1251 warn "... loading '$k' into '$v->{pkg}'\n"; 1450 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252 1451
1253 unless (eval $v->{source}) { 1452 my $active = eval $v->{source};
1453
1454 if (length $@) {
1254 my $msg = $@ ? "$v->{path}: $@\n" 1455 error "$v->{path}: $@\n";
1255 : "$v->{base}: extension inactive.\n";
1256 1456
1457 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257 if (exists $v->{meta}{mandatory}) { 1458 if exists $v->{meta}{mandatory};
1258 warn $msg; 1459
1259 warn "mandatory extension failed to load, exiting.\n"; 1460 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260 exit 1; 1461 delete $todo{$k};
1261 } 1462 } else {
1262 1463 $done{$k} = delete $todo{$k};
1263 warn $msg; 1464 push @EXTS, $v->{pkg};
1465 $progress = 1;
1466
1467 info "$v->{base}: extension inactive.\n"
1468 unless $active;
1264 } 1469 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1269 } 1470 }
1270 1471
1271 skip: 1472 unless ($progress) {
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1473 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273 unless $progress; 1474
1475 while (my ($k, $v) = each %todo) {
1476 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1477 if exists $v->{meta}{mandatory};
1478 }
1479 }
1274 } 1480 }
1275 }; 1481 };
1276} 1482}
1277 1483
1278############################################################################# 1484#############################################################################
1279 1485
1280=back 1486=back
1281 1487
1282=head2 CORE EXTENSIONS 1488=head2 CORE EXTENSIONS
1283 1489
1284Functions and methods that extend core crossfire objects. 1490Functions and methods that extend core deliantra objects.
1285 1491
1286=cut 1492=cut
1287 1493
1288package cf::player; 1494package cf::player;
1289 1495
1290use Coro::AIO; 1496use Coro::AIO;
1291 1497
1292=head3 cf::player 1498=head3 cf::player
1293 1499
1294=over 4 1500=over 4
1501
1502=item cf::player::num_playing
1503
1504Returns the official number of playing players, as per the Crossfire metaserver rules.
1505
1506=cut
1507
1508sub num_playing {
1509 scalar grep
1510 $_->ob->map
1511 && !$_->hidden
1512 && !$_->ob->flag (cf::FLAG_WIZ),
1513 cf::player::list
1514}
1295 1515
1296=item cf::player::find $login 1516=item cf::player::find $login
1297 1517
1298Returns the given player object, loading it if necessary (might block). 1518Returns the given player object, loading it if necessary (might block).
1299 1519
1318 1538
1319sub exists($) { 1539sub exists($) {
1320 my ($login) = @_; 1540 my ($login) = @_;
1321 1541
1322 $cf::PLAYER{$login} 1542 $cf::PLAYER{$login}
1323 or cf::sync_job { !aio_stat path $login } 1543 or !aio_stat path $login
1324} 1544}
1325 1545
1326sub find($) { 1546sub find($) {
1327 return $cf::PLAYER{$_[0]} || do { 1547 return $cf::PLAYER{$_[0]} || do {
1328 my $login = $_[0]; 1548 my $login = $_[0];
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1555 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1556 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1557 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl"; 1558 aio_unlink +(playerdir $login) . "/$login.pl";
1339 1559
1340 my $pl = load_pl path $login 1560 my $f = new_from_file cf::object::thawer path $login
1341 or return; 1561 or return;
1562
1563 my $pl = cf::player::load_pl $f
1564 or return;
1565
1566 local $cf::PLAYER_LOADING{$login} = $pl;
1567 $f->resolve_delayed_derefs;
1342 $cf::PLAYER{$login} = $pl 1568 $cf::PLAYER{$login} = $pl
1343 } 1569 }
1344 } 1570 }
1345} 1571}
1572
1573cf::player->attach (
1574 on_load => sub {
1575 my ($pl, $path) = @_;
1576
1577 # restore slots saved in save, below
1578 my $slots = delete $pl->{_slots};
1579
1580 $pl->ob->current_weapon ($slots->[0]);
1581 $pl->combat_ob ($slots->[1]);
1582 $pl->ranged_ob ($slots->[2]);
1583 },
1584);
1346 1585
1347sub save($) { 1586sub save($) {
1348 my ($pl) = @_; 1587 my ($pl) = @_;
1349 1588
1350 return if $pl->{deny_save}; 1589 return if $pl->{deny_save};
1355 return if $pl->{deny_save}; 1594 return if $pl->{deny_save};
1356 1595
1357 aio_mkdir playerdir $pl, 0770; 1596 aio_mkdir playerdir $pl, 0770;
1358 $pl->{last_save} = $cf::RUNTIME; 1597 $pl->{last_save} = $cf::RUNTIME;
1359 1598
1599 cf::get_slot 0.01;
1600
1601 # save slots, to be restored later
1602 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1603
1360 $pl->save_pl ($path); 1604 $pl->save_pl ($path);
1361 Coro::cede; 1605 cf::cede_to_tick;
1362} 1606}
1363 1607
1364sub new($) { 1608sub new($) {
1365 my ($login) = @_; 1609 my ($login) = @_;
1366 1610
1372 $cf::PLAYER{$login} = $self; 1616 $cf::PLAYER{$login} = $self;
1373 1617
1374 $self 1618 $self
1375} 1619}
1376 1620
1621=item $player->send_msg ($channel, $msg, $color, [extra...])
1622
1623=cut
1624
1625sub send_msg {
1626 my $ns = shift->ns
1627 or return;
1628 $ns->send_msg (@_);
1629}
1630
1377=item $pl->quit_character 1631=item $pl->quit_character
1378 1632
1379Nukes the player without looking back. If logged in, the connection will 1633Nukes the player without looking back. If logged in, the connection will
1380be destroyed. May block for a long time. 1634be destroyed. May block for a long time.
1381 1635
1385 my ($pl) = @_; 1639 my ($pl) = @_;
1386 1640
1387 my $name = $pl->ob->name; 1641 my $name = $pl->ob->name;
1388 1642
1389 $pl->{deny_save} = 1; 1643 $pl->{deny_save} = 1;
1390 $pl->password ("*"); # this should lock out the player until we nuked the dir 1644 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1391 1645
1392 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1646 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1393 $pl->deactivate; 1647 $pl->deactivate;
1648 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1649 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1395 $pl->ns->destroy if $pl->ns; 1650 $pl->ns->destroy if $pl->ns;
1396 1651
1397 my $path = playerdir $pl; 1652 my $path = playerdir $pl;
1398 my $temp = "$path~$cf::RUNTIME~deleting~"; 1653 my $temp = "$path~$cf::RUNTIME~deleting~";
1434 or return []; 1689 or return [];
1435 1690
1436 my @logins; 1691 my @logins;
1437 1692
1438 for my $login (@$dirs) { 1693 for my $login (@$dirs) {
1694 my $path = path $login;
1695
1696 # a .pst is a dead give-away for a valid player
1697 # if no pst file found, open and chekc for blocked users
1698 if (aio_stat "$path.pst") {
1439 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1699 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440 aio_read $fh, 0, 512, my $buf, 0 or next; 1700 aio_read $fh, 0, 512, my $buf, 0 or next;
1441 $buf !~ /^password -------------$/m or next; # official not-valid tag 1701 $buf !~ /^password -------------$/m or next; # official not-valid tag
1702 }
1442 1703
1443 utf8::decode $login; 1704 utf8::decode $login;
1444 push @logins, $login; 1705 push @logins, $login;
1445 } 1706 }
1446 1707
1447 \@logins 1708 \@logins
1448} 1709}
1449 1710
1450=item $player->maps 1711=item $player->maps
1712
1713=item cf::player::maps $login
1451 1714
1452Returns an arrayref of map paths that are private for this 1715Returns an arrayref of map paths that are private for this
1453player. May block. 1716player. May block.
1454 1717
1455=cut 1718=cut
1473 } 1736 }
1474 1737
1475 \@paths 1738 \@paths
1476} 1739}
1477 1740
1478=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1741=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479 1742
1480Expand crossfire pod fragments into protocol xml. 1743Expand deliantra pod fragments into protocol xml.
1481
1482=cut
1483
1484sub expand_cfpod {
1485 ((my $self), (local $_)) = @_;
1486
1487 # escape & and <
1488 s/&/&amp;/g;
1489 s/(?<![BIUGH])</&lt;/g;
1490
1491 # this is buggy, it needs to properly take care of nested <'s
1492
1493 1 while
1494 # replace B<>, I<>, U<> etc.
1495 s/B<([^\>]*)>/<b>$1<\/b>/
1496 || s/I<([^\>]*)>/<i>$1<\/i>/
1497 || s/U<([^\>]*)>/<u>$1<\/u>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527 1744
1528=item $player->ext_reply ($msgid, @msg) 1745=item $player->ext_reply ($msgid, @msg)
1529 1746
1530Sends an ext reply to the player. 1747Sends an ext reply to the player.
1531 1748
1532=cut 1749=cut
1533 1750
1534sub ext_reply($$@) { 1751sub ext_reply($$@) {
1535 my ($self, $id, @msg) = @_; 1752 my ($self, $id, @msg) = @_;
1536 1753
1537 if ($self->ns->extcmd == 2) { 1754 $self->ns->ext_reply ($id, @msg)
1538 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539 } elsif ($self->ns->extcmd == 1) {
1540 #TODO: version 1, remove
1541 unshift @msg, msgtype => "reply", msgid => $id;
1542 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543 }
1544} 1755}
1545 1756
1546=item $player->ext_msg ($type, @msg) 1757=item $player->ext_msg ($type, @msg)
1547 1758
1548Sends an ext event to the client. 1759Sends an ext event to the client.
1569 1780
1570=cut 1781=cut
1571 1782
1572sub find_by_path($) { 1783sub find_by_path($) {
1573 my ($path) = @_; 1784 my ($path) = @_;
1785
1786 $path =~ s/^~[^\/]*//; # skip ~login
1574 1787
1575 my ($match, $specificity); 1788 my ($match, $specificity);
1576 1789
1577 for my $region (list) { 1790 for my $region (list) {
1578 if ($region->{match} && $path =~ $region->{match}) { 1791 if ($region->{match} && $path =~ $region->{match}) {
1604our $MAX_RESET = 3600; 1817our $MAX_RESET = 3600;
1605our $DEFAULT_RESET = 3000; 1818our $DEFAULT_RESET = 3000;
1606 1819
1607sub generate_random_map { 1820sub generate_random_map {
1608 my ($self, $rmp) = @_; 1821 my ($self, $rmp) = @_;
1822
1823 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1824
1609 # mit "rum" bekleckern, nicht 1825 # mit "rum" bekleckern, nicht
1610 $self->_create_random_map ( 1826 $self->_create_random_map (
1611 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1827 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1828 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1829 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614 $rmp->{exit_on_final_map}, 1830 $rmp->{exit_on_final_map},
1615 $rmp->{xsize}, $rmp->{ysize}, 1831 $rmp->{xsize}, $rmp->{ysize},
1616 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1832 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1833 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1632 1848
1633sub register { 1849sub register {
1634 my (undef, $regex, $prio) = @_; 1850 my (undef, $regex, $prio) = @_;
1635 my $pkg = caller; 1851 my $pkg = caller;
1636 1852
1637 no strict;
1638 push @{"$pkg\::ISA"}, __PACKAGE__; 1853 push @{"$pkg\::ISA"}, __PACKAGE__;
1639 1854
1640 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1855 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641} 1856}
1642 1857
1643# also paths starting with '/' 1858# also paths starting with '/'
1644$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1859$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645 1860
1646sub thawer_merge { 1861sub thawer_merge {
1647 my ($self, $merge) = @_; 1862 my ($self, $merge) = @_;
1648 1863
1649 # we have to keep some variables in memory intact 1864 # we have to keep some variables in memory intact
1654} 1869}
1655 1870
1656sub normalise { 1871sub normalise {
1657 my ($path, $base) = @_; 1872 my ($path, $base) = @_;
1658 1873
1659 $path = "$path"; # make sure its a string 1874 $path = "$path"; # make sure it's a string
1660 1875
1661 $path =~ s/\.map$//; 1876 $path =~ s/\.map$//;
1662 1877
1663 # map plan: 1878 # map plan:
1664 # 1879 #
1703 $self->init; # pass $1 etc. 1918 $self->init; # pass $1 etc.
1704 return $self; 1919 return $self;
1705 } 1920 }
1706 } 1921 }
1707 1922
1708 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1923 Carp::cluck "unable to resolve path '$path' (base '$base')";
1709 () 1924 ()
1710} 1925}
1711 1926
1712sub init { 1927sub init {
1713 my ($self) = @_; 1928 my ($self) = @_;
1735 1950
1736# the temporary/swap location 1951# the temporary/swap location
1737sub save_path { 1952sub save_path {
1738 my ($self) = @_; 1953 my ($self) = @_;
1739 1954
1740 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1955 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741 "$TMPDIR/$path.map" 1956 "$TMPDIR/$path.map"
1742} 1957}
1743 1958
1744# the unique path, undef == no special unique path 1959# the unique path, undef == no special unique path
1745sub uniq_path { 1960sub uniq_path {
1746 my ($self) = @_; 1961 my ($self) = @_;
1747 1962
1748 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1963 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749 "$UNIQUEDIR/$path" 1964 "$UNIQUEDIR/$path"
1750}
1751
1752# and all this just because we cannot iterate over
1753# all maps in C++...
1754sub change_all_map_light {
1755 my ($change) = @_;
1756
1757 $_->change_map_light ($change)
1758 for grep $_->outdoor, values %cf::MAP;
1759} 1965}
1760 1966
1761sub decay_objects { 1967sub decay_objects {
1762 my ($self) = @_; 1968 my ($self) = @_;
1763 1969
1776 1982
1777sub load_header_from($) { 1983sub load_header_from($) {
1778 my ($self, $path) = @_; 1984 my ($self, $path) = @_;
1779 1985
1780 utf8::encode $path; 1986 utf8::encode $path;
1781 #aio_open $path, O_RDONLY, 0 1987 my $f = new_from_file cf::object::thawer $path
1782 # or return;
1783
1784 $self->_load_header ($path)
1785 or return; 1988 or return;
1989
1990 $self->_load_header ($f)
1991 or return;
1992
1993 local $MAP_LOADING{$self->{path}} = $self;
1994 $f->resolve_delayed_derefs;
1786 1995
1787 $self->{load_path} = $path; 1996 $self->{load_path} = $path;
1788 1997
1789 1 1998 1
1790} 1999}
1842 2051
1843sub find; 2052sub find;
1844sub find { 2053sub find {
1845 my ($path, $origin) = @_; 2054 my ($path, $origin) = @_;
1846 2055
2056 cf::cede_to_tick;
2057
1847 $path = normalise $path, $origin && $origin->path; 2058 $path = normalise $path, $origin && $origin->path;
1848 2059
2060 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849 cf::lock_wait "map_find:$path"; 2061 my $guard2 = cf::lock_acquire "map_find:$path";
1850 2062
1851 $cf::MAP{$path} || do { 2063 $cf::MAP{$path} || do {
1852 my $guard = cf::lock_acquire "map_find:$path";
1853 my $map = new_from_path cf::map $path 2064 my $map = new_from_path cf::map $path
1854 or return; 2065 or return;
1855 2066
1856 $map->{last_save} = $cf::RUNTIME; 2067 $map->{last_save} = $cf::RUNTIME;
1857 2068
1859 or return; 2070 or return;
1860 2071
1861 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2072 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862 # doing this can freeze the server in a sync job, obviously 2073 # doing this can freeze the server in a sync job, obviously
1863 #$cf::WAIT_FOR_TICK->wait; 2074 #$cf::WAIT_FOR_TICK->wait;
2075 undef $guard2;
2076 undef $guard1;
1864 $map->reset; 2077 $map->reset;
1865 undef $guard;
1866 return find $path; 2078 return find $path;
1867 } 2079 }
1868 2080
1869 $cf::MAP{$path} = $map 2081 $cf::MAP{$path} = $map
1870 } 2082 }
1871} 2083}
1872 2084
1873sub pre_load { } 2085sub pre_load { }
1874sub post_load { } 2086#sub post_load { } # XS
1875 2087
1876sub load { 2088sub load {
1877 my ($self) = @_; 2089 my ($self) = @_;
1878 2090
1879 local $self->{deny_reset} = 1; # loading can take a long time 2091 local $self->{deny_reset} = 1; # loading can take a long time
1880 2092
1881 my $path = $self->{path}; 2093 my $path = $self->{path};
1882 2094
1883 { 2095 {
1884 my $guard = cf::lock_acquire "map_load:$path"; 2096 my $guard = cf::lock_acquire "map_data:$path";
1885 2097
2098 return unless $self->valid;
1886 return if $self->in_memory != cf::MAP_SWAPPED; 2099 return unless $self->in_memory == cf::MAP_SWAPPED;
1887 2100
1888 $self->in_memory (cf::MAP_LOADING); 2101 $self->in_memory (cf::MAP_LOADING);
1889 2102
1890 $self->alloc; 2103 $self->alloc;
1891 2104
1892 $self->pre_load; 2105 $self->pre_load;
1893 Coro::cede; 2106 cf::cede_to_tick;
1894 2107
2108 my $f = new_from_file cf::object::thawer $self->{load_path};
2109 $f->skip_block;
1895 $self->_load_objects ($self->{load_path}, 1) 2110 $self->_load_objects ($f)
1896 or return; 2111 or return;
1897 2112
1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2113 $self->post_load_original
1899 if delete $self->{load_original}; 2114 if delete $self->{load_original};
1900 2115
1901 if (my $uniq = $self->uniq_path) { 2116 if (my $uniq = $self->uniq_path) {
1902 utf8::encode $uniq; 2117 utf8::encode $uniq;
1903 if (aio_open $uniq, O_RDONLY, 0) { 2118 unless (aio_stat $uniq) {
2119 if (my $f = new_from_file cf::object::thawer $uniq) {
1904 $self->clear_unique_items; 2120 $self->clear_unique_items;
1905 $self->_load_objects ($uniq, 0); 2121 $self->_load_objects ($f);
2122 $f->resolve_delayed_derefs;
2123 }
1906 } 2124 }
1907 } 2125 }
1908 2126
1909 Coro::cede; 2127 $f->resolve_delayed_derefs;
2128
2129 cf::cede_to_tick;
1910 # now do the right thing for maps 2130 # now do the right thing for maps
1911 $self->link_multipart_objects; 2131 $self->link_multipart_objects;
1912 $self->difficulty ($self->estimate_difficulty) 2132 $self->difficulty ($self->estimate_difficulty)
1913 unless $self->difficulty; 2133 unless $self->difficulty;
1914 Coro::cede; 2134 cf::cede_to_tick;
1915 2135
1916 unless ($self->{deny_activate}) { 2136 unless ($self->{deny_activate}) {
1917 $self->decay_objects; 2137 $self->decay_objects;
1918 $self->fix_auto_apply; 2138 $self->fix_auto_apply;
1919 $self->update_buttons; 2139 $self->update_buttons;
1920 Coro::cede; 2140 cf::cede_to_tick;
1921 $self->set_darkness_map;
1922 Coro::cede;
1923 $self->activate; 2141 $self->activate;
1924 } 2142 }
1925 2143
1926 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1927 $self->last_access ($cf::RUNTIME); 2145 $self->last_access ($cf::RUNTIME);
1928 2146
1929 $self->in_memory (cf::MAP_IN_MEMORY); 2147 $self->in_memory (cf::MAP_ACTIVE);
1930 } 2148 }
1931 2149
1932 $self->post_load; 2150 $self->post_load;
1933} 2151}
1934 2152
2153# customize the map for a given player, i.e.
2154# return the _real_ map. used by e.g. per-player
2155# maps to change the path to ~playername/mappath
1935sub customise_for { 2156sub customise_for {
1936 my ($self, $ob) = @_; 2157 my ($self, $ob) = @_;
1937 2158
1938 return find "~" . $ob->name . "/" . $self->{path} 2159 return find "~" . $ob->name . "/" . $self->{path}
1939 if $self->per_player; 2160 if $self->per_player;
1943 2164
1944 $self 2165 $self
1945} 2166}
1946 2167
1947# find and load all maps in the 3x3 area around a map 2168# find and load all maps in the 3x3 area around a map
1948sub load_diag { 2169sub load_neighbours {
1949 my ($map) = @_; 2170 my ($map) = @_;
1950 2171
1951 my @diag; # diagonal neighbours 2172 my @neigh; # diagonal neighbours
1952 2173
1953 for (0 .. 3) { 2174 for (0 .. 3) {
1954 my $neigh = $map->tile_path ($_) 2175 my $neigh = $map->tile_path ($_)
1955 or next; 2176 or next;
1956 $neigh = find $neigh, $map 2177 $neigh = find $neigh, $map
1957 or next; 2178 or next;
1958 $neigh->load; 2179 $neigh->load;
1959 2180
2181 # now find the diagonal neighbours
2182 push @neigh,
1960 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2183 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1961 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2184 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1962 } 2185 }
1963 2186
1964 for (@diag) { 2187 for (grep defined $_->[0], @neigh) {
2188 my ($path, $origin) = @$_;
1965 my $neigh = find @$_ 2189 my $neigh = find $path, $origin
1966 or next; 2190 or next;
1967 $neigh->load; 2191 $neigh->load;
1968 } 2192 }
1969} 2193}
1970 2194
1971sub find_sync { 2195sub find_sync {
1972 my ($path, $origin) = @_; 2196 my ($path, $origin) = @_;
1973 2197
1974 cf::sync_job { find $path, $origin } 2198 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2199 if $Coro::current == $Coro::main;
2200
2201 find $path, $origin
1975} 2202}
1976 2203
1977sub do_load_sync { 2204sub do_load_sync {
1978 my ($map) = @_; 2205 my ($map) = @_;
1979 2206
1980 cf::sync_job { $map->load }; 2207 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2208 if $Coro::current == $Coro::main;
2209
2210 $map->load;
1981} 2211}
1982 2212
1983our %MAP_PREFETCH; 2213our %MAP_PREFETCH;
1984our $MAP_PREFETCHER = undef; 2214our $MAP_PREFETCHER = undef;
1985 2215
1986sub find_async { 2216sub find_async {
1987 my ($path, $origin) = @_; 2217 my ($path, $origin, $load) = @_;
1988 2218
1989 $path = normalise $path, $origin && $origin->{path}; 2219 $path = normalise $path, $origin && $origin->{path};
1990 2220
1991 if (my $map = $cf::MAP{$path}) { 2221 if (my $map = $cf::MAP{$path}) {
1992 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2222 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993 } 2223 }
1994 2224
1995 undef $MAP_PREFETCH{$path}; 2225 $MAP_PREFETCH{$path} |= $load;
2226
1996 $MAP_PREFETCHER ||= cf::async { 2227 $MAP_PREFETCHER ||= cf::async {
2228 $Coro::current->{desc} = "map prefetcher";
2229
1997 while (%MAP_PREFETCH) { 2230 while (%MAP_PREFETCH) {
1998 for my $path (keys %MAP_PREFETCH) { 2231 while (my ($k, $v) = each %MAP_PREFETCH) {
1999 if (my $map = find $path) { 2232 if (my $map = find $k) {
2000 $map->load; 2233 $map->load if $v;
2001 } 2234 }
2002 2235
2003 delete $MAP_PREFETCH{$path}; 2236 delete $MAP_PREFETCH{$k};
2004 } 2237 }
2005 } 2238 }
2006 undef $MAP_PREFETCHER; 2239 undef $MAP_PREFETCHER;
2007 }; 2240 };
2008 $MAP_PREFETCHER->prio (6); 2241 $MAP_PREFETCHER->prio (6);
2009 2242
2010 () 2243 ()
2011} 2244}
2012 2245
2246# common code, used by both ->save and ->swapout
2013sub save { 2247sub _save {
2014 my ($self) = @_; 2248 my ($self) = @_;
2015
2016 my $lock = cf::lock_acquire "map_data:" . $self->path;
2017 2249
2018 $self->{last_save} = $cf::RUNTIME; 2250 $self->{last_save} = $cf::RUNTIME;
2019 2251
2020 return unless $self->dirty; 2252 return unless $self->dirty;
2021 2253
2027 return if $self->{deny_save}; 2259 return if $self->{deny_save};
2028 2260
2029 local $self->{last_access} = $self->last_access;#d# 2261 local $self->{last_access} = $self->last_access;#d#
2030 2262
2031 cf::async { 2263 cf::async {
2264 $Coro::current->{desc} = "map player save";
2032 $_->contr->save for $self->players; 2265 $_->contr->save for $self->players;
2033 }; 2266 };
2267
2268 cf::get_slot 0.02;
2034 2269
2035 if ($uniq) { 2270 if ($uniq) {
2036 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2271 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2272 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2038 } else { 2273 } else {
2039 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2274 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2040 } 2275 }
2041} 2276}
2042 2277
2278sub save {
2279 my ($self) = @_;
2280
2281 my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283 $self->_save;
2284}
2285
2043sub swap_out { 2286sub swap_out {
2044 my ($self) = @_; 2287 my ($self) = @_;
2045 2288
2046 # save first because save cedes
2047 $self->save;
2048
2049 my $lock = cf::lock_acquire "map_data:" . $self->path; 2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
2050 2290
2291 return if $self->in_memory != cf::MAP_ACTIVE;
2292 return if $self->{deny_save};
2051 return if $self->players; 2293 return if $self->players;
2052 return if $self->in_memory != cf::MAP_IN_MEMORY;
2053 return if $self->{deny_save};
2054 2294
2295 # first deactivate the map and "unlink" it from the core
2296 $self->deactivate;
2297 $_->clear_links_to ($self) for values %cf::MAP;
2298 $self->in_memory (cf::MAP_SWAPPED);
2299
2300 # then atomically save
2301 $self->_save;
2302
2303 # then free the map
2055 $self->clear; 2304 $self->clear;
2056 $self->in_memory (cf::MAP_SWAPPED);
2057} 2305}
2058 2306
2059sub reset_at { 2307sub reset_at {
2060 my ($self) = @_; 2308 my ($self) = @_;
2061 2309
2079 2327
2080 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2328 my $lock = cf::lock_acquire "map_data:$self->{path}";
2081 2329
2082 return if $self->players; 2330 return if $self->players;
2083 2331
2084 warn "resetting map ", $self->path; 2332 cf::trace "resetting map ", $self->path, "\n";
2085 2333
2086 $self->in_memory (cf::MAP_SWAPPED); 2334 $self->in_memory (cf::MAP_SWAPPED);
2087 2335
2088 # need to save uniques path 2336 # need to save uniques path
2089 unless ($self->{deny_save}) { 2337 unless ($self->{deny_save}) {
2093 if $uniq; 2341 if $uniq;
2094 } 2342 }
2095 2343
2096 delete $cf::MAP{$self->path}; 2344 delete $cf::MAP{$self->path};
2097 2345
2346 $self->deactivate;
2347 $_->clear_links_to ($self) for values %cf::MAP;
2098 $self->clear; 2348 $self->clear;
2099
2100 $_->clear_links_to ($self) for values %cf::MAP;
2101 2349
2102 $self->unlink_save; 2350 $self->unlink_save;
2103 $self->destroy; 2351 $self->destroy;
2104} 2352}
2105 2353
2106my $nuke_counter = "aaaa"; 2354my $nuke_counter = "aaaa";
2107 2355
2108sub nuke { 2356sub nuke {
2109 my ($self) = @_; 2357 my ($self) = @_;
2110 2358
2359 {
2360 my $lock = cf::lock_acquire "map_data:$self->{path}";
2361
2111 delete $cf::MAP{$self->path}; 2362 delete $cf::MAP{$self->path};
2112 2363
2113 $self->unlink_save; 2364 $self->unlink_save;
2114 2365
2115 bless $self, "cf::map"; 2366 bless $self, "cf::map::wrap";
2116 delete $self->{deny_reset}; 2367 delete $self->{deny_reset};
2117 $self->{deny_save} = 1; 2368 $self->{deny_save} = 1;
2118 $self->reset_timeout (1); 2369 $self->reset_timeout (1);
2119 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2370 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120 2371
2121 $cf::MAP{$self->path} = $self; 2372 $cf::MAP{$self->path} = $self;
2373 }
2122 2374
2123 $self->reset; # polite request, might not happen 2375 $self->reset; # polite request, might not happen
2124} 2376}
2125 2377
2126=item $maps = cf::map::tmp_maps 2378=item $maps = cf::map::tmp_maps
2168 2420
2169sub unique_maps() { 2421sub unique_maps() {
2170 [ 2422 [
2171 map { 2423 map {
2172 utf8::decode $_; 2424 utf8::decode $_;
2173 /\.map$/ 2425 s/\.map$//; # TODO future compatibility hack
2426 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2427 ? ()
2174 ? normalise $_ 2428 : normalise $_
2175 : ()
2176 } @{ aio_readdir $UNIQUEDIR or [] } 2429 } @{ aio_readdir $UNIQUEDIR or [] }
2177 ] 2430 ]
2178} 2431}
2179 2432
2180package cf; 2433=item cf::map::static_maps
2434
2435Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2436file in the shared directory excluding F</styles> and F</editor>). May
2437block.
2438
2439=cut
2440
2441sub static_maps() {
2442 my @dirs = "";
2443 my @maps;
2444
2445 while (@dirs) {
2446 my $dir = shift @dirs;
2447
2448 next if $dir eq "/styles" || $dir eq "/editor";
2449
2450 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2451 or return;
2452
2453 for (@$files) {
2454 s/\.map$// or next;
2455 utf8::decode $_;
2456 push @maps, "$dir/$_";
2457 }
2458
2459 push @dirs, map "$dir/$_", @$dirs;
2460 }
2461
2462 \@maps
2463}
2181 2464
2182=back 2465=back
2183 2466
2184=head3 cf::object 2467=head3 cf::object
2185 2468
2189 2472
2190=over 4 2473=over 4
2191 2474
2192=item $ob->inv_recursive 2475=item $ob->inv_recursive
2193 2476
2194Returns the inventory of the object _and_ their inventories, recursively. 2477Returns the inventory of the object I<and> their inventories, recursively,
2478but I<not> the object itself.
2195 2479
2196=cut 2480=cut
2197 2481
2198sub inv_recursive_; 2482sub inv_recursive_;
2199sub inv_recursive_ { 2483sub inv_recursive_ {
2202 2486
2203sub inv_recursive { 2487sub inv_recursive {
2204 inv_recursive_ inv $_[0] 2488 inv_recursive_ inv $_[0]
2205} 2489}
2206 2490
2491=item $ref = $ob->ref
2492
2493Creates and returns a persistent reference to an object that can be stored as a string.
2494
2495=item $ob = cf::object::deref ($refstring)
2496
2497returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2498even if the object actually exists. May block.
2499
2500=cut
2501
2502sub deref {
2503 my ($ref) = @_;
2504
2505 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2506 my ($uuid, $name) = ($1, $2);
2507 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2508 or return;
2509 $pl->ob->uuid eq $uuid
2510 or return;
2511
2512 $pl->ob
2513 } else {
2514 warn "$ref: cannot resolve object reference\n";
2515 undef
2516 }
2517}
2518
2207package cf; 2519package cf;
2208 2520
2209=back 2521=back
2210 2522
2211=head3 cf::object::player 2523=head3 cf::object::player
2217Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2529Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218can be C<undef>. Does the right thing when the player is currently in a 2530can be C<undef>. Does the right thing when the player is currently in a
2219dialogue with the given NPC character. 2531dialogue with the given NPC character.
2220 2532
2221=cut 2533=cut
2534
2535our $SAY_CHANNEL = {
2536 id => "say",
2537 title => "Map",
2538 reply => "say ",
2539 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2540};
2541
2542our $CHAT_CHANNEL = {
2543 id => "chat",
2544 title => "Chat",
2545 reply => "chat ",
2546 tooltip => "Player chat and shouts, global to the server.",
2547};
2222 2548
2223# rough implementation of a future "reply" method that works 2549# rough implementation of a future "reply" method that works
2224# with dialog boxes. 2550# with dialog boxes.
2225#TODO: the first argument must go, split into a $npc->reply_to ( method 2551#TODO: the first argument must go, split into a $npc->reply_to ( method
2226sub cf::object::player::reply($$$;$) { 2552sub cf::object::player::reply($$$;$) {
2238 my $dialog = $pl->{npc_dialog}; 2564 my $dialog = $pl->{npc_dialog};
2239 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2565 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240 2566
2241 } else { 2567 } else {
2242 $msg = $npc->name . " says: $msg" if $npc; 2568 $msg = $npc->name . " says: $msg" if $npc;
2243 $self->message ($msg, $flags); 2569 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244 } 2570 }
2245 } 2571 }
2572}
2573
2574=item $object->send_msg ($channel, $msg, $color, [extra...])
2575
2576=cut
2577
2578sub cf::object::send_msg {
2579 my $pl = shift->contr
2580 or return;
2581 $pl->send_msg (@_);
2246} 2582}
2247 2583
2248=item $player_object->may ("access") 2584=item $player_object->may ("access")
2249 2585
2250Returns wether the given player is authorized to access resource "access" 2586Returns wether the given player is authorized to access resource "access"
2263 2599
2264=item $player_object->enter_link 2600=item $player_object->enter_link
2265 2601
2266Freezes the player and moves him/her to a special map (C<{link}>). 2602Freezes the player and moves him/her to a special map (C<{link}>).
2267 2603
2268The player should be reasonably safe there for short amounts of time. You 2604The player should be reasonably safe there for short amounts of time (e.g.
2269I<MUST> call C<leave_link> as soon as possible, though. 2605for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2606though, as the player cannot control the character while it is on the link
2607map.
2270 2608
2271Will never block. 2609Will never block.
2272 2610
2273=item $player_object->leave_link ($map, $x, $y) 2611=item $player_object->leave_link ($map, $x, $y)
2274 2612
2294sub cf::object::player::enter_link { 2632sub cf::object::player::enter_link {
2295 my ($self) = @_; 2633 my ($self) = @_;
2296 2634
2297 $self->deactivate_recursive; 2635 $self->deactivate_recursive;
2298 2636
2637 ++$self->{_link_recursion};
2638
2299 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2639 return if UNIVERSAL::isa $self->map, "ext::map_link";
2300 2640
2301 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2641 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302 if $self->map && $self->map->{path} ne "{link}"; 2642 if $self->map && $self->map->{path} ne "{link}";
2303 2643
2304 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2644 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2305} 2645}
2306 2646
2307sub cf::object::player::leave_link { 2647sub cf::object::player::leave_link {
2308 my ($self, $map, $x, $y) = @_; 2648 my ($self, $map, $x, $y) = @_;
2309 2649
2326 ($x, $y) = (-1, -1) 2666 ($x, $y) = (-1, -1)
2327 unless (defined $x) && (defined $y); 2667 unless (defined $x) && (defined $y);
2328 2668
2329 # use -1 or undef as default coordinates, not 0, 0 2669 # use -1 or undef as default coordinates, not 0, 0
2330 ($x, $y) = ($map->enter_x, $map->enter_y) 2670 ($x, $y) = ($map->enter_x, $map->enter_y)
2331 if $x <=0 && $y <= 0; 2671 if $x <= 0 && $y <= 0;
2332 2672
2333 $map->load; 2673 $map->load;
2334 $map->load_diag; 2674 $map->load_neighbours;
2335 2675
2336 return unless $self->contr->active; 2676 return unless $self->contr->active;
2337 $self->activate_recursive;
2338 2677
2339 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2678 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340 $self->enter_map ($map, $x, $y); 2679 if ($self->enter_map ($map, $x, $y)) {
2341} 2680 # entering was successful
2681 delete $self->{_link_recursion};
2682 # only activate afterwards, to support waiting in hooks
2683 $self->activate_recursive;
2684 }
2342 2685
2686}
2687
2343=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2688=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344 2689
2345Moves the player to the given map-path and coordinates by first freezing 2690Moves the player to the given map-path and coordinates by first freezing
2346her, loading and preparing them map, calling the provided $check callback 2691her, loading and preparing them map, calling the provided $check callback
2347that has to return the map if sucecssful, and then unfreezes the player on 2692that has to return the map if sucecssful, and then unfreezes the player on
2348the new (success) or old (failed) map position. In either case, $done will 2693the new (success) or old (failed) map position. In either case, $done will
2349be called at the end of this process. 2694be called at the end of this process.
2350 2695
2696Note that $check will be called with a potentially non-loaded map, so if
2697it needs a loaded map it has to call C<< ->load >>.
2698
2351=cut 2699=cut
2352 2700
2353our $GOTOGEN; 2701our $GOTOGEN;
2354 2702
2355sub cf::object::player::goto { 2703sub cf::object::player::goto {
2356 my ($self, $path, $x, $y, $check, $done) = @_; 2704 my ($self, $path, $x, $y, $check, $done) = @_;
2357 2705
2706 if ($self->{_link_recursion} >= $MAX_LINKS) {
2707 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2708 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2709 ($path, $x, $y) = @$EMERGENCY_POSITION;
2710 }
2711
2358 # do generation counting so two concurrent goto's will be executed in-order 2712 # do generation counting so two concurrent goto's will be executed in-order
2359 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2713 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360 2714
2361 $self->enter_link; 2715 $self->enter_link;
2362 2716
2363 (async { 2717 (async {
2718 $Coro::current->{desc} = "player::goto $path $x $y";
2719
2720 # *tag paths override both path and x|y
2721 if ($path =~ /^\*(.*)$/) {
2722 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2723 my $ob = $obs[rand @obs];
2724
2725 # see if we actually can go there
2726 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2727 $ob = $obs[rand @obs];
2728 } else {
2729 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2730 }
2731 # else put us there anyways for now #d#
2732
2733 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2734 } else {
2735 ($path, $x, $y) = (undef, undef, undef);
2736 }
2737 }
2738
2364 my $map = eval { 2739 my $map = eval {
2365 my $map = cf::map::find $path; 2740 my $map = defined $path ? cf::map::find $path : undef;
2366 2741
2367 if ($map) { 2742 if ($map) {
2368 $map = $map->customise_for ($self); 2743 $map = $map->customise_for ($self);
2369 $map = $check->($map) if $check && $map; 2744 $map = $check->($map, $x, $y, $self) if $check && $map;
2370 } else { 2745 } else {
2371 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2746 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372 } 2747 }
2373 2748
2374 $map 2749 $map
2375 }; 2750 };
2376 2751
2382 if ($gen == $self->{_goto_generation}) { 2757 if ($gen == $self->{_goto_generation}) {
2383 delete $self->{_goto_generation}; 2758 delete $self->{_goto_generation};
2384 $self->leave_link ($map, $x, $y); 2759 $self->leave_link ($map, $x, $y);
2385 } 2760 }
2386 2761
2387 $done->() if $done; 2762 $done->($self) if $done;
2388 })->prio (1); 2763 })->prio (1);
2389} 2764}
2390 2765
2391=item $player_object->enter_exit ($exit_object) 2766=item $player_object->enter_exit ($exit_object)
2392 2767
2412} 2787}
2413 2788
2414sub prepare_random_map { 2789sub prepare_random_map {
2415 my ($exit) = @_; 2790 my ($exit) = @_;
2416 2791
2417 my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419 # all this does is basically replace the /! path by 2792 # all this does is basically replace the /! path by
2420 # a new random map path (?random/...) with a seed 2793 # a new random map path (?random/...) with a seed
2421 # that depends on the exit object 2794 # that depends on the exit object
2422 2795
2423 my $rmp = parse_random_map_params $exit->msg; 2796 my $rmp = parse_random_map_params $exit->msg;
2425 if ($exit->map) { 2798 if ($exit->map) {
2426 $rmp->{region} = $exit->region->name; 2799 $rmp->{region} = $exit->region->name;
2427 $rmp->{origin_map} = $exit->map->path; 2800 $rmp->{origin_map} = $exit->map->path;
2428 $rmp->{origin_x} = $exit->x; 2801 $rmp->{origin_x} = $exit->x;
2429 $rmp->{origin_y} = $exit->y; 2802 $rmp->{origin_y} = $exit->y;
2803
2804 $exit->map->touch;
2430 } 2805 }
2431 2806
2432 $rmp->{random_seed} ||= $exit->random_seed; 2807 $rmp->{random_seed} ||= $exit->random_seed;
2433 2808
2434 my $data = cf::to_json $rmp; 2809 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435 my $md5 = Digest::MD5::md5_hex $data; 2810 my $md5 = Digest::MD5::md5_hex $data;
2436 my $meta = "$RANDOMDIR/$md5.meta"; 2811 my $meta = "$RANDOMDIR/$md5.meta";
2437 2812
2438 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2813 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439 aio_write $fh, 0, (length $data), $data, 0; 2814 aio_write $fh, 0, (length $data), $data, 0;
2440 undef $fh; 2815 undef $fh;
2441 aio_rename "$meta~", $meta; 2816 aio_rename "$meta~", $meta;
2442 2817
2818 my $slaying = "?random/$md5";
2819
2820 if ($exit->valid) {
2443 $exit->slaying ("?random/$md5"); 2821 $exit->slaying ("?random/$md5");
2444 $exit->msg (undef); 2822 $exit->msg (undef);
2823 }
2445 } 2824 }
2446} 2825}
2447 2826
2448sub cf::object::player::enter_exit { 2827sub cf::object::player::enter_exit {
2449 my ($self, $exit) = @_; 2828 my ($self, $exit) = @_;
2450 2829
2451 return unless $self->type == cf::PLAYER; 2830 return unless $self->type == cf::PLAYER;
2452 2831
2453 if ($exit->slaying eq "/!") {
2454 #TODO: this should de-fi-ni-te-ly not be a sync-job
2455 # the problem is that $exit might not survive long enough
2456 # so it needs to be done right now, right here
2457 cf::sync_job { prepare_random_map $exit };
2458 }
2459
2460 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461 my $hp = $exit->stats->hp;
2462 my $sp = $exit->stats->sp;
2463
2464 $self->enter_link; 2832 $self->enter_link;
2465 2833
2466 # if exit is damned, update players death & WoR home-position
2467 $self->contr->savebed ($slaying, $hp, $sp)
2468 if $exit->flag (FLAG_DAMNED);
2469
2470 (async { 2834 (async {
2471 $self->deactivate_recursive; # just to be sure 2835 $Coro::current->{desc} = "enter_exit";
2836
2472 unless (eval { 2837 unless (eval {
2838 $self->deactivate_recursive; # just to be sure
2839
2840 # random map handling
2841 {
2842 my $guard = cf::lock_acquire "exit_prepare:$exit";
2843
2844 prepare_random_map $exit
2845 if $exit->slaying eq "/!";
2846 }
2847
2848 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2849 my $x = $exit->stats->hp;
2850 my $y = $exit->stats->sp;
2851
2473 $self->goto ($slaying, $hp, $sp); 2852 $self->goto ($map, $x, $y);
2474 2853
2854 # if exit is damned, update players death & WoR home-position
2855 $self->contr->savebed ($map, $x, $y)
2856 if $exit->flag (cf::FLAG_DAMNED);
2857
2475 1; 2858 1
2476 }) { 2859 }) {
2477 $self->message ("Something went wrong deep within the crossfire server. " 2860 $self->message ("Something went wrong deep within the deliantra server. "
2478 . "I'll try to bring you back to the map you were before. " 2861 . "I'll try to bring you back to the map you were before. "
2479 . "Please report this to the dungeon master!", 2862 . "Please report this to the dungeon master!",
2480 cf::NDI_UNIQUE | cf::NDI_RED); 2863 cf::NDI_UNIQUE | cf::NDI_RED);
2481 2864
2482 warn "ERROR in enter_exit: $@"; 2865 error "ERROR in enter_exit: $@";
2483 $self->leave_link; 2866 $self->leave_link;
2484 } 2867 }
2485 })->prio (1); 2868 })->prio (1);
2486} 2869}
2487 2870
2499sub cf::client::send_drawinfo { 2882sub cf::client::send_drawinfo {
2500 my ($self, $text, $flags) = @_; 2883 my ($self, $text, $flags) = @_;
2501 2884
2502 utf8::encode $text; 2885 utf8::encode $text;
2503 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2886 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2887}
2888
2889=item $client->send_big_packet ($pkt)
2890
2891Like C<send_packet>, but tries to compress large packets, and fragments
2892them as required.
2893
2894=cut
2895
2896our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2897
2898sub cf::client::send_big_packet {
2899 my ($self, $pkt) = @_;
2900
2901 # try lzf for large packets
2902 $pkt = "lzf " . Compress::LZF::compress $pkt
2903 if 1024 <= length $pkt and $self->{can_lzf};
2904
2905 # split very large packets
2906 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2907 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2908 $pkt = "frag";
2909 }
2910
2911 $self->send_packet ($pkt);
2504} 2912}
2505 2913
2506=item $client->send_msg ($channel, $msg, $color, [extra...]) 2914=item $client->send_msg ($channel, $msg, $color, [extra...])
2507 2915
2508Send a drawinfo or msg packet to the client, formatting the msg for the 2916Send a drawinfo or msg packet to the client, formatting the msg for the
2510the message, with C<log> being the default. If C<$color> is negative, suppress 2918the message, with C<log> being the default. If C<$color> is negative, suppress
2511the message unless the client supports the msg packet. 2919the message unless the client supports the msg packet.
2512 2920
2513=cut 2921=cut
2514 2922
2923# non-persistent channels (usually the info channel)
2924our %CHANNEL = (
2925 "c/motd" => {
2926 id => "infobox",
2927 title => "MOTD",
2928 reply => undef,
2929 tooltip => "The message of the day",
2930 },
2931 "c/identify" => {
2932 id => "infobox",
2933 title => "Identify",
2934 reply => undef,
2935 tooltip => "Items recently identified",
2936 },
2937 "c/examine" => {
2938 id => "infobox",
2939 title => "Examine",
2940 reply => undef,
2941 tooltip => "Signs and other items you examined",
2942 },
2943 "c/shopinfo" => {
2944 id => "infobox",
2945 title => "Shop Info",
2946 reply => undef,
2947 tooltip => "What your bargaining skill tells you about the shop",
2948 },
2949 "c/book" => {
2950 id => "infobox",
2951 title => "Book",
2952 reply => undef,
2953 tooltip => "The contents of a note or book",
2954 },
2955 "c/lookat" => {
2956 id => "infobox",
2957 title => "Look",
2958 reply => undef,
2959 tooltip => "What you saw there",
2960 },
2961 "c/who" => {
2962 id => "infobox",
2963 title => "Players",
2964 reply => undef,
2965 tooltip => "Shows players who are currently online",
2966 },
2967 "c/body" => {
2968 id => "infobox",
2969 title => "Body Parts",
2970 reply => undef,
2971 tooltip => "Shows which body parts you posess and are available",
2972 },
2973 "c/statistics" => {
2974 id => "infobox",
2975 title => "Statistics",
2976 reply => undef,
2977 tooltip => "Shows your primary statistics",
2978 },
2979 "c/skills" => {
2980 id => "infobox",
2981 title => "Skills",
2982 reply => undef,
2983 tooltip => "Shows your experience per skill and item power",
2984 },
2985 "c/shopitems" => {
2986 id => "infobox",
2987 title => "Shop Items",
2988 reply => undef,
2989 tooltip => "Shows the items currently for sale in this shop",
2990 },
2991 "c/resistances" => {
2992 id => "infobox",
2993 title => "Resistances",
2994 reply => undef,
2995 tooltip => "Shows your resistances",
2996 },
2997 "c/pets" => {
2998 id => "infobox",
2999 title => "Pets",
3000 reply => undef,
3001 tooltip => "Shows information abotu your pets/a specific pet",
3002 },
3003 "c/perceiveself" => {
3004 id => "infobox",
3005 title => "Perceive Self",
3006 reply => undef,
3007 tooltip => "You gained detailed knowledge about yourself",
3008 },
3009 "c/uptime" => {
3010 id => "infobox",
3011 title => "Uptime",
3012 reply => undef,
3013 tooltip => "How long the server has been running since last restart",
3014 },
3015 "c/mapinfo" => {
3016 id => "infobox",
3017 title => "Map Info",
3018 reply => undef,
3019 tooltip => "Information related to the maps",
3020 },
3021 "c/party" => {
3022 id => "party",
3023 title => "Party",
3024 reply => "gsay ",
3025 tooltip => "Messages and chat related to your party",
3026 },
3027 "c/death" => {
3028 id => "death",
3029 title => "Death",
3030 reply => undef,
3031 tooltip => "Reason for and more info about your most recent death",
3032 },
3033 "c/say" => $SAY_CHANNEL,
3034 "c/chat" => $CHAT_CHANNEL,
3035);
3036
2515sub cf::client::send_msg { 3037sub cf::client::send_msg {
2516 my ($self, $channel, $msg, $color, @extra) = @_; 3038 my ($self, $channel, $msg, $color, @extra) = @_;
2517 3039
2518 $msg = $self->pl->expand_cfpod ($msg); 3040 $msg = $self->pl->expand_cfpod ($msg)
3041 unless $color & cf::NDI_VERBATIM;
2519 3042
2520 $color &= cf::NDI_CLIENT_MASK; # just in case... 3043 $color &= cf::NDI_CLIENT_MASK; # just in case...
2521 3044
3045 # check predefined channels, for the benefit of C
3046 if ($CHANNEL{$channel}) {
3047 $channel = $CHANNEL{$channel};
3048
3049 $self->ext_msg (channel_info => $channel);
3050 $channel = $channel->{id};
3051
2522 if (ref $channel) { 3052 } elsif (ref $channel) {
2523 # send meta info to client, if not yet sent 3053 # send meta info to client, if not yet sent
2524 unless (exists $self->{channel}{$channel->{id}}) { 3054 unless (exists $self->{channel}{$channel->{id}}) {
2525 $self->{channel}{$channel->{id}} = $channel; 3055 $self->{channel}{$channel->{id}} = $channel;
2526 $self->ext_msg (channel_info => $channel); 3056 $self->ext_msg (channel_info => $channel);
2527 } 3057 }
2529 $channel = $channel->{id}; 3059 $channel = $channel->{id};
2530 } 3060 }
2531 3061
2532 return unless @extra || length $msg; 3062 return unless @extra || length $msg;
2533 3063
2534 if ($self->can_msg) {
2535 # default colour, mask it out 3064 # default colour, mask it out
2536 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3065 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537 if $color & cf::NDI_DEF; 3066 if $color & cf::NDI_DEF;
2538 3067
2539 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3068 my $pkt = "msg "
3069 . $self->{json_coder}->encode (
2540 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3070 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541 } else { 3071 );
2542 if ($color >= 0) {
2543 # replace some tags by gcfclient-compatible ones
2544 for ($msg) {
2545 1 while
2546 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551 }
2552 3072
2553 $color &= cf::NDI_COLOR_MASK; 3073 $self->send_big_packet ($pkt);
2554
2555 utf8::encode $msg;
2556
2557 if (0 && $msg =~ /\[/) {
2558 $self->send_packet ("drawextinfo $color 4 0 $msg")
2559 } else {
2560 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2561 $self->send_packet ("drawinfo $color $msg")
2562 }
2563 }
2564 }
2565} 3074}
2566 3075
2567=item $client->ext_msg ($type, @msg) 3076=item $client->ext_msg ($type, @msg)
2568 3077
2569Sends an ext event to the client. 3078Sends an ext event to the client.
2571=cut 3080=cut
2572 3081
2573sub cf::client::ext_msg($$@) { 3082sub cf::client::ext_msg($$@) {
2574 my ($self, $type, @msg) = @_; 3083 my ($self, $type, @msg) = @_;
2575 3084
2576 my $extcmd = $self->extcmd;
2577
2578 if ($extcmd == 2) { 3085 if ($self->extcmd == 2) {
2579 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3086 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2580 } elsif ($extcmd == 1) { # TODO: remove 3087 } elsif ($self->extcmd == 1) { # TODO: remove
2581 push @msg, msgtype => "event_$type"; 3088 push @msg, msgtype => "event_$type";
2582 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3089 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3090 }
3091}
3092
3093=item $client->ext_reply ($msgid, @msg)
3094
3095Sends an ext reply to the client.
3096
3097=cut
3098
3099sub cf::client::ext_reply($$@) {
3100 my ($self, $id, @msg) = @_;
3101
3102 if ($self->extcmd == 2) {
3103 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3104 } elsif ($self->extcmd == 1) {
3105 #TODO: version 1, remove
3106 unshift @msg, msgtype => "reply", msgid => $id;
3107 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2583 } 3108 }
2584} 3109}
2585 3110
2586=item $success = $client->query ($flags, "text", \&cb) 3111=item $success = $client->query ($flags, "text", \&cb)
2587 3112
2648 my ($type, $reply, @payload) = 3173 my ($type, $reply, @payload) =
2649 "ARRAY" eq ref $msg 3174 "ARRAY" eq ref $msg
2650 ? @$msg 3175 ? @$msg
2651 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3176 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2652 3177
3178 my @reply;
3179
2653 if (my $cb = $EXTICMD{$type}) { 3180 if (my $cb = $EXTICMD{$type}) {
2654 my @reply = $cb->($ns, @payload); 3181 @reply = $cb->($ns, @payload);
2655
2656 $ns->ext_reply ($reply, @reply)
2657 if $reply;
2658 } 3182 }
3183
3184 $ns->ext_reply ($reply, @reply)
3185 if $reply;
3186
2659 } else { 3187 } else {
2660 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3188 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2661 } 3189 }
2662 3190
2663 cf::override; 3191 cf::override;
2664 }, 3192 },
2665); 3193);
2685 3213
2686 $coro 3214 $coro
2687} 3215}
2688 3216
2689cf::client->attach ( 3217cf::client->attach (
2690 on_destroy => sub { 3218 on_client_destroy => sub {
2691 my ($ns) = @_; 3219 my ($ns) = @_;
2692 3220
2693 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3221 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2694 }, 3222 },
2695); 3223);
2710our $safe = new Safe "safe"; 3238our $safe = new Safe "safe";
2711our $safe_hole = new Safe::Hole; 3239our $safe_hole = new Safe::Hole;
2712 3240
2713$SIG{FPE} = 'IGNORE'; 3241$SIG{FPE} = 'IGNORE';
2714 3242
2715$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3243$safe->permit_only (Opcode::opset qw(
3244 :base_core :base_mem :base_orig :base_math :base_loop
3245 grepstart grepwhile mapstart mapwhile
3246 sort time
3247));
2716 3248
2717# here we export the classes and methods available to script code 3249# here we export the classes and methods available to script code
2718 3250
2719=pod 3251=pod
2720 3252
2721The following functions and methods are available within a safe environment: 3253The following functions and methods are available within a safe environment:
2722 3254
2723 cf::object 3255 cf::object
2724 contr pay_amount pay_player map x y force_find force_add 3256 contr pay_amount pay_player map x y force_find force_add destroy
2725 insert remove 3257 insert remove name archname title slaying race decrease split
3258 value
2726 3259
2727 cf::object::player 3260 cf::object::player
2728 player 3261 player
2729 3262
2730 cf::player 3263 cf::player
2735 3268
2736=cut 3269=cut
2737 3270
2738for ( 3271for (
2739 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3272 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2740 insert remove)], 3273 insert remove inv nrof name archname title slaying race
3274 decrease split destroy change_exp value msg lore send_msg)],
2741 ["cf::object::player" => qw(player)], 3275 ["cf::object::player" => qw(player)],
2742 ["cf::player" => qw(peaceful)], 3276 ["cf::player" => qw(peaceful send_msg)],
2743 ["cf::map" => qw(trigger)], 3277 ["cf::map" => qw(trigger)],
2744) { 3278) {
2745 no strict 'refs';
2746 my ($pkg, @funs) = @$_; 3279 my ($pkg, @funs) = @$_;
2747 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3280 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2748 for @funs; 3281 for @funs;
2749} 3282}
2750 3283
2765 3298
2766 my $qcode = $code; 3299 my $qcode = $code;
2767 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3300 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2768 $qcode =~ s/\n/\\n/g; 3301 $qcode =~ s/\n/\\n/g;
2769 3302
3303 %vars = (_dummy => 0) unless %vars;
3304
3305 my @res;
2770 local $_; 3306 local $_;
2771 local @safe::cf::_safe_eval_args = values %vars;
2772 3307
2773 my $eval = 3308 my $eval =
2774 "do {\n" 3309 "do {\n"
2775 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3310 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2776 . "#line 0 \"{$qcode}\"\n" 3311 . "#line 0 \"{$qcode}\"\n"
2777 . $code 3312 . $code
2778 . "\n}" 3313 . "\n}"
2779 ; 3314 ;
2780 3315
3316 if ($CFG{safe_eval}) {
2781 sub_generation_inc; 3317 sub_generation_inc;
3318 local @safe::cf::_safe_eval_args = values %vars;
2782 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3319 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2783 sub_generation_inc; 3320 sub_generation_inc;
3321 } else {
3322 local @cf::_safe_eval_args = values %vars;
3323 @res = wantarray ? eval eval : scalar eval $eval;
3324 }
2784 3325
2785 if ($@) { 3326 if ($@) {
2786 warn "$@"; 3327 warn "$@",
2787 warn "while executing safe code '$code'\n"; 3328 "while executing safe code '$code'\n",
2788 warn "with arguments " . (join " ", %vars) . "\n"; 3329 "with arguments " . (join " ", %vars) . "\n";
2789 } 3330 }
2790 3331
2791 wantarray ? @res : $res[0] 3332 wantarray ? @res : $res[0]
2792} 3333}
2793 3334
2807=cut 3348=cut
2808 3349
2809sub register_script_function { 3350sub register_script_function {
2810 my ($fun, $cb) = @_; 3351 my ($fun, $cb) = @_;
2811 3352
2812 no strict 'refs'; 3353 $fun = "safe::$fun" if $CFG{safe_eval};
2813 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3354 *$fun = $safe_hole->wrap ($cb);
2814} 3355}
2815 3356
2816=back 3357=back
2817 3358
2818=cut 3359=cut
2821# the server's init and main functions 3362# the server's init and main functions
2822 3363
2823sub load_facedata($) { 3364sub load_facedata($) {
2824 my ($path) = @_; 3365 my ($path) = @_;
2825 3366
3367 # HACK to clear player env face cache, we need some signal framework
3368 # for this (global event?)
3369 %ext::player_env::MUSIC_FACE_CACHE = ();
3370
3371 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3372
2826 warn "loading facedata from $path\n"; 3373 trace "loading facedata from $path\n";
2827 3374
2828 my $facedata; 3375 my $facedata;
2829 0 < aio_load $path, $facedata 3376 0 < aio_load $path, $facedata
2830 or die "$path: $!"; 3377 or die "$path: $!";
2831 3378
2832 $facedata = Coro::Storable::thaw $facedata; 3379 $facedata = Coro::Storable::thaw $facedata;
2833 3380
2834 $facedata->{version} == 2 3381 $facedata->{version} == 2
2835 or cf::cleanup "$path: version mismatch, cannot proceed."; 3382 or cf::cleanup "$path: version mismatch, cannot proceed.";
2836 3383
3384 # patch in the exptable
3385 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3386 $facedata->{resource}{"res/exp_table"} = {
3387 type => FT_RSRC,
3388 data => $exp_table,
3389 hash => (Digest::MD5::md5 $exp_table),
3390 };
3391 cf::cede_to_tick;
3392
2837 { 3393 {
2838 my $faces = $facedata->{faceinfo}; 3394 my $faces = $facedata->{faceinfo};
2839 3395
2840 while (my ($face, $info) = each %$faces) { 3396 while (my ($face, $info) = each %$faces) {
2841 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3397 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3398
2842 cf::face::set_visibility $idx, $info->{visibility}; 3399 cf::face::set_visibility $idx, $info->{visibility};
2843 cf::face::set_magicmap $idx, $info->{magicmap}; 3400 cf::face::set_magicmap $idx, $info->{magicmap};
2844 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3401 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2845 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3402 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2846 3403
2847 cf::cede_to_tick; 3404 cf::cede_to_tick;
2848 } 3405 }
2849 3406
2850 while (my ($face, $info) = each %$faces) { 3407 while (my ($face, $info) = each %$faces) {
2851 next unless $info->{smooth}; 3408 next unless $info->{smooth};
3409
2852 my $idx = cf::face::find $face 3410 my $idx = cf::face::find $face
2853 or next; 3411 or next;
3412
2854 if (my $smooth = cf::face::find $info->{smooth}) { 3413 if (my $smooth = cf::face::find $info->{smooth}) {
2855 cf::face::set_smooth $idx, $smooth; 3414 cf::face::set_smooth $idx, $smooth;
2856 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3415 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2857 } else { 3416 } else {
2858 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3417 error "smooth face '$info->{smooth}' not found for face '$face'";
2859 } 3418 }
2860 3419
2861 cf::cede_to_tick; 3420 cf::cede_to_tick;
2862 } 3421 }
2863 } 3422 }
2872 3431
2873 cf::anim::invalidate_all; # d'oh 3432 cf::anim::invalidate_all; # d'oh
2874 } 3433 }
2875 3434
2876 { 3435 {
2877 # TODO: for gcfclient pleasure, we should give resources
2878 # that gcfclient doesn't grok a >10000 face index.
2879 my $res = $facedata->{resource}; 3436 my $res = $facedata->{resource};
2880 my $enc = JSON::XS->new->utf8->canonical;
2881
2882 my $soundconf = delete $res->{"res/sound.conf"};
2883 3437
2884 while (my ($name, $info) = each %$res) { 3438 while (my ($name, $info) = each %$res) {
2885 my $meta = $enc->encode ({ 3439 if (defined $info->{type}) {
2886 name => $name,
2887 %{ $info->{meta} || {} },
2888 });
2889
2890 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3440 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2891 3441
2892 if ($info->{type} & 1) {
2893 # prepend meta info
2894
2895 my $data = pack "(w/a*)*", $meta, $info->{data};
2896 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2897
2898 cf::face::set_data $idx, 0, $data, $chk; 3442 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3443 cf::face::set_type $idx, $info->{type};
2899 } else { 3444 } else {
2900 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3445 $RESOURCE{$name} = $info; # unused
2901 } 3446 }
2902 3447
2903 cf::face::set_type $idx, $info->{type};
2904
2905 cf::cede_to_tick; 3448 cf::cede_to_tick;
2906 } 3449 }
2907
2908 if ($soundconf) {
2909 $soundconf = $enc->decode (delete $soundconf->{data});
2910
2911 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2912 my $sound = $soundconf->{compat}[$_]
2913 or next;
2914
2915 my $face = cf::face::find "sound/$sound->[1]";
2916 cf::sound::set $sound->[0] => $face;
2917 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2918 }
2919
2920 while (my ($k, $v) = each %{$soundconf->{event}}) {
2921 my $face = cf::face::find "sound/$v";
2922 cf::sound::set $k => $face;
2923 }
2924 }
2925 } 3450 }
3451
3452 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2926 3453
2927 1 3454 1
2928} 3455}
2929 3456
2930register_exticmd fx_want => sub { 3457register_exticmd fx_want => sub {
2933 while (my ($k, $v) = each %$want) { 3460 while (my ($k, $v) = each %$want) {
2934 $ns->fx_want ($k, $v); 3461 $ns->fx_want ($k, $v);
2935 } 3462 }
2936}; 3463};
2937 3464
3465sub load_resource_file($) {
3466 my $guard = lock_acquire "load_resource_file";
3467
3468 my $status = load_resource_file_ $_[0];
3469 get_slot 0.1, 100;
3470 cf::arch::commit_load;
3471
3472 $status
3473}
3474
2938sub reload_regions { 3475sub reload_regions {
3476 # HACK to clear player env face cache, we need some signal framework
3477 # for this (global event?)
3478 %ext::player_env::MUSIC_FACE_CACHE = ();
3479
2939 load_resource_file "$MAPDIR/regions" 3480 load_resource_file "$MAPDIR/regions"
2940 or die "unable to load regions file\n"; 3481 or die "unable to load regions file\n";
2941 3482
2942 for (cf::region::list) { 3483 for (cf::region::list) {
2943 $_->{match} = qr/$_->{match}/ 3484 $_->{match} = qr/$_->{match}/
2951} 3492}
2952 3493
2953sub reload_archetypes { 3494sub reload_archetypes {
2954 load_resource_file "$DATADIR/archetypes" 3495 load_resource_file "$DATADIR/archetypes"
2955 or die "unable to load archetypes\n"; 3496 or die "unable to load archetypes\n";
2956 #d# NEED to laod twice to resolve forward references
2957 # this really needs to be done in an extra post-pass
2958 # (which needs to be synchronous, so solve it differently)
2959 load_resource_file "$DATADIR/archetypes"
2960 or die "unable to load archetypes\n";
2961} 3497}
2962 3498
2963sub reload_treasures { 3499sub reload_treasures {
2964 load_resource_file "$DATADIR/treasures" 3500 load_resource_file "$DATADIR/treasures"
2965 or die "unable to load treasurelists\n"; 3501 or die "unable to load treasurelists\n";
2966} 3502}
2967 3503
3504sub reload_sound {
3505 trace "loading sound config from $DATADIR/sound\n";
3506
3507 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3508 or die "$DATADIR/sound $!";
3509
3510 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3511
3512 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3513 my $sound = $soundconf->{compat}[$_]
3514 or next;
3515
3516 my $face = cf::face::find "sound/$sound->[1]";
3517 cf::sound::set $sound->[0] => $face;
3518 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3519 }
3520
3521 while (my ($k, $v) = each %{$soundconf->{event}}) {
3522 my $face = cf::face::find "sound/$v";
3523 cf::sound::set $k => $face;
3524 }
3525}
3526
2968sub reload_resources { 3527sub reload_resources {
2969 warn "reloading resource files...\n"; 3528 trace "reloading resource files...\n";
2970 3529
3530 reload_facedata;
3531 reload_sound;
3532 reload_archetypes;
2971 reload_regions; 3533 reload_regions;
2972 reload_facedata;
2973 #reload_archetypes;#d#
2974 reload_archetypes;
2975 reload_treasures; 3534 reload_treasures;
2976 3535
2977 warn "finished reloading resource files\n"; 3536 trace "finished reloading resource files\n";
2978} 3537}
2979 3538
2980sub init { 3539sub reload_config {
2981 reload_resources; 3540 trace "reloading config file...\n";
2982}
2983 3541
2984sub cfg_load {
2985 open my $fh, "<:utf8", "$CONFDIR/config" 3542 open my $fh, "<:utf8", "$CONFDIR/config"
2986 or return; 3543 or return;
2987 3544
2988 local $/; 3545 local $/;
2989 *CFG = YAML::Syck::Load <$fh>; 3546 *CFG = YAML::XS::Load scalar <$fh>;
2990 3547
2991 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3548 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2992 3549
2993 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3550 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2994 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3551 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2995 3552
2996 if (exists $CFG{mlockall}) { 3553 if (exists $CFG{mlockall}) {
2998 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3555 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2999 and die "WARNING: m(un)lockall failed: $!\n"; 3556 and die "WARNING: m(un)lockall failed: $!\n";
3000 }; 3557 };
3001 warn $@ if $@; 3558 warn $@ if $@;
3002 } 3559 }
3560
3561 trace "finished reloading resource files\n";
3562}
3563
3564sub pidfile() {
3565 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3566 or die "$PIDFILE: $!";
3567 flock $fh, &Fcntl::LOCK_EX
3568 or die "$PIDFILE: flock: $!";
3569 $fh
3570}
3571
3572# make sure only one server instance is running at any one time
3573sub atomic {
3574 my $fh = pidfile;
3575
3576 my $pid = <$fh>;
3577 kill 9, $pid if $pid > 0;
3578
3579 seek $fh, 0, 0;
3580 print $fh $$;
3581}
3582
3583sub main_loop {
3584 trace "EV::loop starting\n";
3585 if (1) {
3586 EV::loop;
3587 }
3588 trace "EV::loop returned\n";
3589 goto &main_loop unless $REALLY_UNLOOP;
3003} 3590}
3004 3591
3005sub main { 3592sub main {
3593 cf::init_globals; # initialise logging
3594
3595 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3596 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3597 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3598 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3599
3600 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3601
3006 # we must not ever block the main coroutine 3602 # we must not ever block the main coroutine
3007 local $Coro::idle = sub { 3603 local $Coro::idle = sub {
3008 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3604 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3009 (async { 3605 (async {
3010 Event::one_event; 3606 $Coro::current->{desc} = "IDLE BUG HANDLER";
3607 EV::loop EV::LOOP_ONESHOT;
3011 })->prio (Coro::PRIO_MAX); 3608 })->prio (Coro::PRIO_MAX);
3012 }; 3609 };
3013 3610
3014 cfg_load; 3611 evthread_start IO::AIO::poll_fileno;
3612
3613 cf::sync_job {
3614 cf::incloader::init ();
3615
3616 cf::init_experience;
3617 cf::init_anim;
3618 cf::init_attackmess;
3619 cf::init_dynamic;
3620
3621 cf::load_settings;
3622 cf::load_materials;
3623
3624 reload_resources;
3625 reload_config;
3015 db_init; 3626 db_init;
3627
3628 cf::init_uuid;
3629 cf::init_signals;
3630 cf::init_skills;
3631
3632 cf::init_beforeplay;
3633
3634 atomic;
3635
3016 load_extensions; 3636 load_extensions;
3017 3637
3018 $TICK_WATCHER->start; 3638 utime time, time, $RUNTIMEFILE;
3019 Event::loop; 3639
3640 # no (long-running) fork's whatsoever before this point(!)
3641 use POSIX ();
3642 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3643
3644 (pop @POST_INIT)->(0) while @POST_INIT;
3645 };
3646
3647 cf::object::thawer::errors_are_fatal 0;
3648 info "parse errors in files are no longer fatal from this point on.\n";
3649
3650 my $free_main; $free_main = EV::idle sub {
3651 undef $free_main;
3652 undef &main; # free gobs of memory :)
3653 };
3654
3655 goto &main_loop;
3020} 3656}
3021 3657
3022############################################################################# 3658#############################################################################
3023# initialisation and cleanup 3659# initialisation and cleanup
3024 3660
3025# install some emergency cleanup handlers 3661# install some emergency cleanup handlers
3026BEGIN { 3662BEGIN {
3663 our %SIGWATCHER = ();
3027 for my $signal (qw(INT HUP TERM)) { 3664 for my $signal (qw(INT HUP TERM)) {
3028 Event->signal ( 3665 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3029 reentrant => 0,
3030 data => WF_AUTOCANCEL,
3031 signal => $signal,
3032 prio => 0,
3033 cb => sub {
3034 cf::cleanup "SIG$signal"; 3666 cf::cleanup "SIG$signal";
3035 },
3036 ); 3667 };
3037 } 3668 }
3038} 3669}
3039 3670
3040sub write_runtime { 3671sub write_runtime_sync {
3041 my $runtime = "$LOCALDIR/runtime"; 3672 my $t0 = AE::time;
3042 3673
3043 # first touch the runtime file to show we are still running: 3674 # first touch the runtime file to show we are still running:
3044 # the fsync below can take a very very long time. 3675 # the fsync below can take a very very long time.
3045 3676
3046 IO::AIO::aio_utime $runtime, undef, undef; 3677 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3047 3678
3048 my $guard = cf::lock_acquire "write_runtime"; 3679 my $guard = cf::lock_acquire "write_runtime";
3049 3680
3050 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3681 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3051 or return; 3682 or return;
3052 3683
3053 my $value = $cf::RUNTIME + 90 + 10; 3684 my $value = $cf::RUNTIME + 90 + 10;
3054 # 10 is the runtime save interval, for a monotonic clock 3685 # 10 is the runtime save interval, for a monotonic clock
3055 # 60 allows for the watchdog to kill the server. 3686 # 60 allows for the watchdog to kill the server.
3065 aio_utime $fh, undef, undef; 3696 aio_utime $fh, undef, undef;
3066 3697
3067 close $fh 3698 close $fh
3068 or return; 3699 or return;
3069 3700
3070 aio_rename "$runtime~", $runtime 3701 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3071 and return; 3702 and return;
3072 3703
3073 warn "runtime file written.\n"; 3704 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3074 3705
3075 1 3706 1
3707}
3708
3709our $uuid_lock;
3710our $uuid_skip;
3711
3712sub write_uuid_sync($) {
3713 $uuid_skip ||= $_[0];
3714
3715 return if $uuid_lock;
3716 local $uuid_lock = 1;
3717
3718 my $uuid = "$LOCALDIR/uuid";
3719
3720 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3721 or return;
3722
3723 my $value = uuid_seq uuid_cur;
3724
3725 unless ($value) {
3726 info "cowardly refusing to write zero uuid value!\n";
3727 return;
3728 }
3729
3730 my $value = uuid_str $value + $uuid_skip;
3731 $uuid_skip = 0;
3732
3733 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3734 and return;
3735
3736 # always fsync - this file is important
3737 aio_fsync $fh
3738 and return;
3739
3740 close $fh
3741 or return;
3742
3743 aio_rename "$uuid~", $uuid
3744 and return;
3745
3746 trace "uuid file written ($value).\n";
3747
3748 1
3749
3750}
3751
3752sub write_uuid($$) {
3753 my ($skip, $sync) = @_;
3754
3755 $sync ? write_uuid_sync $skip
3756 : async { write_uuid_sync $skip };
3076} 3757}
3077 3758
3078sub emergency_save() { 3759sub emergency_save() {
3079 my $freeze_guard = cf::freeze_mainloop; 3760 my $freeze_guard = cf::freeze_mainloop;
3080 3761
3081 warn "enter emergency perl save\n"; 3762 info "emergency_perl_save: enter\n";
3763
3764 # this is a trade-off: we want to be very quick here, so
3765 # save all maps without fsync, and later call a global sync
3766 # (which in turn might be very very slow)
3767 local $USE_FSYNC = 0;
3082 3768
3083 cf::sync_job { 3769 cf::sync_job {
3770 cf::write_runtime_sync; # external watchdog should not bark
3771
3084 # use a peculiar iteration method to avoid tripping on perl 3772 # use a peculiar iteration method to avoid tripping on perl
3085 # refcount bugs in for. also avoids problems with players 3773 # refcount bugs in for. also avoids problems with players
3086 # and maps saved/destroyed asynchronously. 3774 # and maps saved/destroyed asynchronously.
3087 warn "begin emergency player save\n"; 3775 info "emergency_perl_save: begin player save\n";
3088 for my $login (keys %cf::PLAYER) { 3776 for my $login (keys %cf::PLAYER) {
3089 my $pl = $cf::PLAYER{$login} or next; 3777 my $pl = $cf::PLAYER{$login} or next;
3090 $pl->valid or next; 3778 $pl->valid or next;
3779 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3091 $pl->save; 3780 $pl->save;
3092 } 3781 }
3093 warn "end emergency player save\n"; 3782 info "emergency_perl_save: end player save\n";
3094 3783
3095 warn "begin emergency map save\n"; 3784 cf::write_runtime_sync; # external watchdog should not bark
3785
3786 info "emergency_perl_save: begin map save\n";
3096 for my $path (keys %cf::MAP) { 3787 for my $path (keys %cf::MAP) {
3097 my $map = $cf::MAP{$path} or next; 3788 my $map = $cf::MAP{$path} or next;
3098 $map->valid or next; 3789 $map->valid or next;
3099 $map->save; 3790 $map->save;
3100 } 3791 }
3101 warn "end emergency map save\n"; 3792 info "emergency_perl_save: end map save\n";
3102 3793
3103 warn "begin emergency database checkpoint\n"; 3794 cf::write_runtime_sync; # external watchdog should not bark
3795
3796 info "emergency_perl_save: begin database checkpoint\n";
3104 BDB::db_env_txn_checkpoint $DB_ENV; 3797 BDB::db_env_txn_checkpoint $DB_ENV;
3105 warn "end emergency database checkpoint\n"; 3798 info "emergency_perl_save: end database checkpoint\n";
3799
3800 info "emergency_perl_save: begin write uuid\n";
3801 write_uuid_sync 1;
3802 info "emergency_perl_save: end write uuid\n";
3803
3804 cf::write_runtime_sync; # external watchdog should not bark
3805
3806 trace "emergency_perl_save: syncing database to disk";
3807 BDB::db_env_txn_checkpoint $DB_ENV;
3808
3809 info "emergency_perl_save: starting sync\n";
3810 IO::AIO::aio_sync sub {
3811 info "emergency_perl_save: finished sync\n";
3812 };
3813
3814 cf::write_runtime_sync; # external watchdog should not bark
3815
3816 trace "emergency_perl_save: flushing outstanding aio requests";
3817 while (IO::AIO::nreqs || BDB::nreqs) {
3818 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3819 }
3820
3821 cf::write_runtime_sync; # external watchdog should not bark
3106 }; 3822 };
3107 3823
3108 warn "leave emergency perl save\n"; 3824 info "emergency_perl_save: leave\n";
3109} 3825}
3110 3826
3111sub post_cleanup { 3827sub post_cleanup {
3112 my ($make_core) = @_; 3828 my ($make_core) = @_;
3113 3829
3830 IO::AIO::flush;
3831
3114 warn Carp::longmess "post_cleanup backtrace" 3832 error Carp::longmess "post_cleanup backtrace"
3115 if $make_core; 3833 if $make_core;
3834
3835 my $fh = pidfile;
3836 unlink $PIDFILE if <$fh> == $$;
3837}
3838
3839# a safer delete_package, copied from Symbol
3840sub clear_package($) {
3841 my $pkg = shift;
3842
3843 # expand to full symbol table name if needed
3844 unless ($pkg =~ /^main::.*::$/) {
3845 $pkg = "main$pkg" if $pkg =~ /^::/;
3846 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3847 $pkg .= '::' unless $pkg =~ /::$/;
3848 }
3849
3850 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3851 my $stem_symtab = *{$stem}{HASH};
3852
3853 defined $stem_symtab and exists $stem_symtab->{$leaf}
3854 or return;
3855
3856 # clear all symbols
3857 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3858 for my $name (keys %$leaf_symtab) {
3859 _gv_clear *{"$pkg$name"};
3860# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3861 }
3116} 3862}
3117 3863
3118sub do_reload_perl() { 3864sub do_reload_perl() {
3119 # can/must only be called in main 3865 # can/must only be called in main
3120 if ($Coro::current != $Coro::main) { 3866 unless (in_main) {
3121 warn "can only reload from main coroutine"; 3867 error "can only reload from main coroutine";
3122 return; 3868 return;
3123 } 3869 }
3124 3870
3871 return if $RELOAD++;
3872
3873 my $t1 = AE::time;
3874
3875 while ($RELOAD) {
3876 cf::get_slot 0.1, -1, "reload_perl";
3125 warn "reloading..."; 3877 info "reloading...";
3126 3878
3127 warn "entering sync_job"; 3879 trace "entering sync_job";
3128 3880
3129 cf::sync_job { 3881 cf::sync_job {
3130 cf::write_runtime; # external watchdog should not bark
3131 cf::emergency_save; 3882 #cf::emergency_save;
3132 cf::write_runtime; # external watchdog should not bark
3133 3883
3134 warn "syncing database to disk";
3135 BDB::db_env_txn_checkpoint $DB_ENV;
3136
3137 # if anything goes wrong in here, we should simply crash as we already saved
3138
3139 warn "cancelling all WF_AUTOCANCEL watchers";
3140 for (Event::all_watchers) {
3141 $_->cancel if $_->data & WF_AUTOCANCEL;
3142 }
3143
3144 warn "flushing outstanding aio requests";
3145 for (;;) {
3146 BDB::flush;
3147 IO::AIO::flush;
3148 Coro::cede;
3149 last unless IO::AIO::nreqs || BDB::nreqs;
3150 warn "iterate...";
3151 }
3152
3153 ++$RELOAD;
3154
3155 warn "cancelling all extension coros"; 3884 trace "cancelling all extension coros";
3156 $_->cancel for values %EXT_CORO; 3885 $_->cancel for values %EXT_CORO;
3157 %EXT_CORO = (); 3886 %EXT_CORO = ();
3158 3887
3159 warn "removing commands"; 3888 trace "removing commands";
3160 %COMMAND = (); 3889 %COMMAND = ();
3161 3890
3162 warn "removing ext/exti commands"; 3891 trace "removing ext/exti commands";
3163 %EXTCMD = (); 3892 %EXTCMD = ();
3164 %EXTICMD = (); 3893 %EXTICMD = ();
3165 3894
3166 warn "unloading/nuking all extensions"; 3895 trace "unloading/nuking all extensions";
3167 for my $pkg (@EXTS) { 3896 for my $pkg (@EXTS) {
3168 warn "... unloading $pkg"; 3897 trace "... unloading $pkg";
3169 3898
3170 if (my $cb = $pkg->can ("unload")) { 3899 if (my $cb = $pkg->can ("unload")) {
3171 eval { 3900 eval {
3172 $cb->($pkg); 3901 $cb->($pkg);
3173 1 3902 1
3174 } or warn "$pkg unloaded, but with errors: $@"; 3903 } or error "$pkg unloaded, but with errors: $@";
3904 }
3905
3906 trace "... clearing $pkg";
3907 clear_package $pkg;
3175 } 3908 }
3176 3909
3177 warn "... nuking $pkg";
3178 Symbol::delete_package $pkg;
3179 }
3180
3181 warn "unloading all perl modules loaded from $LIBDIR"; 3910 trace "unloading all perl modules loaded from $LIBDIR";
3182 while (my ($k, $v) = each %INC) { 3911 while (my ($k, $v) = each %INC) {
3183 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3912 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3184 3913
3185 warn "... unloading $k"; 3914 trace "... unloading $k";
3186 delete $INC{$k}; 3915 delete $INC{$k};
3187 3916
3188 $k =~ s/\.pm$//; 3917 $k =~ s/\.pm$//;
3189 $k =~ s/\//::/g; 3918 $k =~ s/\//::/g;
3190 3919
3191 if (my $cb = $k->can ("unload_module")) { 3920 if (my $cb = $k->can ("unload_module")) {
3192 $cb->(); 3921 $cb->();
3922 }
3923
3924 clear_package $k;
3193 } 3925 }
3194 3926
3195 Symbol::delete_package $k;
3196 }
3197
3198 warn "getting rid of safe::, as good as possible"; 3927 trace "getting rid of safe::, as good as possible";
3199 Symbol::delete_package "safe::$_" 3928 clear_package "safe::$_"
3200 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3929 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3201 3930
3202 warn "unloading cf.pm \"a bit\""; 3931 trace "unloading cf.pm \"a bit\"";
3203 delete $INC{"cf.pm"}; 3932 delete $INC{"cf.pm"};
3204 delete $INC{"cf/pod.pm"}; 3933 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3205 3934
3206 # don't, removes xs symbols, too, 3935 # don't, removes xs symbols, too,
3207 # and global variables created in xs 3936 # and global variables created in xs
3208 #Symbol::delete_package __PACKAGE__; 3937 #clear_package __PACKAGE__;
3209 3938
3210 warn "unload completed, starting to reload now"; 3939 info "unload completed, starting to reload now";
3211 3940
3212 warn "reloading cf.pm"; 3941 trace "reloading cf.pm";
3213 require cf; 3942 require cf;
3214 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3943 cf::_connect_to_perl_1;
3215 3944
3216 warn "loading config and database again"; 3945 trace "loading config and database again";
3217 cf::cfg_load; 3946 cf::reload_config;
3218 3947
3219 warn "loading extensions"; 3948 trace "loading extensions";
3220 cf::load_extensions; 3949 cf::load_extensions;
3221 3950
3951 if ($REATTACH_ON_RELOAD) {
3222 warn "reattaching attachments to objects/players"; 3952 trace "reattaching attachments to objects/players";
3223 _global_reattach; # objects, sockets 3953 _global_reattach; # objects, sockets
3224 warn "reattaching attachments to maps"; 3954 trace "reattaching attachments to maps";
3225 reattach $_ for values %MAP; 3955 reattach $_ for values %MAP;
3226 warn "reattaching attachments to players"; 3956 trace "reattaching attachments to players";
3227 reattach $_ for values %PLAYER; 3957 reattach $_ for values %PLAYER;
3958 }
3228 3959
3960 trace "running post_init jobs";
3961 (pop @POST_INIT)->(1) while @POST_INIT;
3962
3229 warn "leaving sync_job"; 3963 trace "leaving sync_job";
3230 3964
3231 1 3965 1
3232 } or do { 3966 } or do {
3233 warn $@; 3967 error $@;
3234 warn "error while reloading, exiting."; 3968 cf::cleanup "error while reloading, exiting.";
3235 exit 1; 3969 };
3970
3971 info "reloaded";
3972 --$RELOAD;
3236 }; 3973 }
3237 3974
3238 warn "reloaded"; 3975 $t1 = AE::time - $t1;
3976 info "reload completed in ${t1}s\n";
3239}; 3977};
3240 3978
3241our $RELOAD_WATCHER; # used only during reload 3979our $RELOAD_WATCHER; # used only during reload
3242 3980
3243sub reload_perl() { 3981sub reload_perl() {
3244 # doing reload synchronously and two reloads happen back-to-back, 3982 # doing reload synchronously and two reloads happen back-to-back,
3245 # coro crashes during coro_state_free->destroy here. 3983 # coro crashes during coro_state_free->destroy here.
3246 3984
3247 $RELOAD_WATCHER ||= Event->timer ( 3985 $RELOAD_WATCHER ||= cf::async {
3248 reentrant => 0, 3986 Coro::AIO::aio_wait cache_extensions;
3249 after => 0, 3987
3250 data => WF_AUTOCANCEL, 3988 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3251 cb => sub {
3252 do_reload_perl; 3989 do_reload_perl;
3253 undef $RELOAD_WATCHER; 3990 undef $RELOAD_WATCHER;
3254 }, 3991 };
3255 ); 3992 };
3256} 3993}
3257 3994
3258register_command "reload" => sub { 3995register_command "reload" => sub {
3259 my ($who, $arg) = @_; 3996 my ($who, $arg) = @_;
3260 3997
3261 if ($who->flag (FLAG_WIZ)) { 3998 if ($who->flag (FLAG_WIZ)) {
3262 $who->message ("reloading server."); 3999 $who->message ("reloading server.");
4000 async {
4001 $Coro::current->{desc} = "perl_reload";
3263 async { reload_perl }; 4002 reload_perl;
4003 };
3264 } 4004 }
3265}; 4005};
3266 4006
3267unshift @INC, $LIBDIR; 4007#############################################################################
3268 4008
3269my $bug_warning = 0; 4009my $bug_warning = 0;
3270 4010
3271our @WAIT_FOR_TICK; 4011our @WAIT_FOR_TICK;
3272our @WAIT_FOR_TICK_BEGIN; 4012our @WAIT_FOR_TICK_BEGIN;
3273 4013
3274sub wait_for_tick { 4014sub wait_for_tick {
3275 return unless $TICK_WATCHER->is_active;
3276 return if $Coro::current == $Coro::main; 4015 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3277 4016
3278 my $signal = new Coro::Signal; 4017 my $signal = new Coro::Signal;
3279 push @WAIT_FOR_TICK, $signal; 4018 push @WAIT_FOR_TICK, $signal;
3280 $signal->wait; 4019 $signal->wait;
3281} 4020}
3282 4021
3283sub wait_for_tick_begin { 4022sub wait_for_tick_begin {
3284 return unless $TICK_WATCHER->is_active;
3285 return if $Coro::current == $Coro::main; 4023 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3286 4024
3287 my $signal = new Coro::Signal; 4025 my $signal = new Coro::Signal;
3288 push @WAIT_FOR_TICK_BEGIN, $signal; 4026 push @WAIT_FOR_TICK_BEGIN, $signal;
3289 $signal->wait; 4027 $signal->wait;
3290} 4028}
3291 4029
3292 my $min = 1e6;#d# 4030sub tick {
3293 my $avg = 10;
3294$TICK_WATCHER = Event->timer (
3295 reentrant => 0,
3296 parked => 1,
3297 prio => 0,
3298 at => $NEXT_TICK || $TICK,
3299 data => WF_AUTOCANCEL,
3300 cb => sub {
3301 if ($Coro::current != $Coro::main) { 4031 if ($Coro::current != $Coro::main) {
3302 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4032 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3303 unless ++$bug_warning > 10; 4033 unless ++$bug_warning > 10;
3304 return; 4034 return;
3305 } 4035 }
3306 4036
3307 $NOW = $tick_start = Event::time;
3308
3309 cf::server_tick; # one server iteration 4037 cf::server_tick; # one server iteration
3310 4038
3311 0 && sync_job {#d# 4039 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3312 for(1..10) {
3313 my $t = Event::time;
3314 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3315 or die;
3316 4040
3317 $map->width (50); 4041 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3318 $map->height (50); 4042 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3319 $map->alloc; 4043 Coro::async_pool {
3320 $map->_load_objects ("/tmp/x.map", 1); 4044 $Coro::current->{desc} = "runtime saver";
3321 my $t = Event::time - $t; 4045 write_runtime_sync
3322 4046 or error "ERROR: unable to write runtime file: $!";
3323 #next unless $t < 0.0013;#d#
3324 if ($t < $min) {
3325 $min = $t;
3326 }
3327 $avg = $avg * 0.99 + $t * 0.01;
3328 }
3329 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3330 exit 0;
3331 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3332 }; 4047 };
4048 }
3333 4049
3334 $RUNTIME += $TICK;
3335 $NEXT_TICK += $TICK;
3336
3337 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3338 $NEXT_RUNTIME_WRITE = $NOW + 10;
3339 Coro::async_pool {
3340 write_runtime
3341 or warn "ERROR: unable to write runtime file: $!";
3342 };
3343 }
3344
3345# my $AFTER = Event::time;
3346# warn $AFTER - $NOW;#d#
3347
3348 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4050 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3349 $sig->send; 4051 $sig->send;
3350 } 4052 }
3351 while (my $sig = shift @WAIT_FOR_TICK) { 4053 while (my $sig = shift @WAIT_FOR_TICK) {
3352 $sig->send; 4054 $sig->send;
3353 } 4055 }
3354 4056
3355 $NOW = Event::time; 4057 $LOAD = ($NOW - $TICK_START) / $TICK;
3356
3357 # if we are delayed by four ticks or more, skip them all
3358 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3359
3360 $TICK_WATCHER->at ($NEXT_TICK);
3361 $TICK_WATCHER->start;
3362
3363 $LOAD = ($NOW - $tick_start) / $TICK;
3364 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4058 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3365 4059
3366 _post_tick; 4060 if (0) {
3367 4061 if ($NEXT_TICK) {
3368 4062 my $jitter = $TICK_START - $NEXT_TICK;
4063 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4064 debug "jitter $JITTER\n";#d#
4065 }
3369 }, 4066 }
3370); 4067}
3371 4068
3372{ 4069{
3373 BDB::max_poll_time $TICK * 0.1; 4070 # configure BDB
3374 $BDB_POLL_WATCHER = Event->io ( 4071
3375 reentrant => 0,
3376 fd => BDB::poll_fileno,
3377 poll => 'r',
3378 prio => 0,
3379 data => WF_AUTOCANCEL,
3380 cb => \&BDB::poll_cb,
3381 );
3382 BDB::min_parallel 8; 4072 BDB::min_parallel 16;
3383 4073 BDB::max_poll_reqs $TICK * 0.1;
3384 BDB::set_sync_prepare { 4074 $AnyEvent::BDB::WATCHER->priority (1);
3385 my $status;
3386 my $current = $Coro::current;
3387 (
3388 sub {
3389 $status = $!;
3390 $current->ready; undef $current;
3391 },
3392 sub {
3393 Coro::schedule while defined $current;
3394 $! = $status;
3395 },
3396 )
3397 };
3398 4075
3399 unless ($DB_ENV) { 4076 unless ($DB_ENV) {
3400 $DB_ENV = BDB::db_env_create; 4077 $DB_ENV = BDB::db_env_create;
4078 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4079 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4080 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4081 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4082 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3401 4083
3402 cf::sync_job { 4084 cf::sync_job {
3403 eval { 4085 eval {
3404 BDB::db_env_open 4086 BDB::db_env_open
3405 $DB_ENV, 4087 $DB_ENV,
3407 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4089 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3408 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4090 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3409 0666; 4091 0666;
3410 4092
3411 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4093 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3412
3413 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3414 $DB_ENV->set_lk_detect;
3415 }; 4094 };
3416 4095
3417 cf::cleanup "db_env_open(db): $@" if $@; 4096 cf::cleanup "db_env_open(db): $@" if $@;
3418 }; 4097 };
3419 } 4098 }
4099
4100 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4101 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4102 };
4103 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4104 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4105 };
4106 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4107 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4108 };
3420} 4109}
3421 4110
3422{ 4111{
4112 # configure IO::AIO
4113
3423 IO::AIO::min_parallel 8; 4114 IO::AIO::min_parallel 8;
3424
3425 undef $Coro::AIO::WATCHER;
3426 IO::AIO::max_poll_time $TICK * 0.1; 4115 IO::AIO::max_poll_time $TICK * 0.1;
3427 $AIO_POLL_WATCHER = Event->io ( 4116 undef $AnyEvent::AIO::WATCHER;
3428 reentrant => 0,
3429 data => WF_AUTOCANCEL,
3430 fd => IO::AIO::poll_fileno,
3431 poll => 'r',
3432 prio => 6,
3433 cb => \&IO::AIO::poll_cb,
3434 );
3435} 4117}
3436 4118
3437my $_log_backtrace; 4119my $_log_backtrace;
3438 4120
3439sub _log_backtrace { 4121sub _log_backtrace {
3442 $msg =~ s/\n//; 4124 $msg =~ s/\n//;
3443 4125
3444 # limit the # of concurrent backtraces 4126 # limit the # of concurrent backtraces
3445 if ($_log_backtrace < 2) { 4127 if ($_log_backtrace < 2) {
3446 ++$_log_backtrace; 4128 ++$_log_backtrace;
4129 my $perl_bt = Carp::longmess $msg;
3447 async { 4130 async {
4131 $Coro::current->{desc} = "abt $msg";
4132
3448 my @bt = fork_call { 4133 my @bt = fork_call {
3449 @addr = map { sprintf "%x", $_ } @addr; 4134 @addr = map { sprintf "%x", $_ } @addr;
3450 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4135 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3451 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4136 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3452 or die "addr2line: $!"; 4137 or die "addr2line: $!";
3460 } 4145 }
3461 4146
3462 @funcs 4147 @funcs
3463 }; 4148 };
3464 4149
3465 LOG llevInfo, "[ABT] $msg\n"; 4150 LOG llevInfo, "[ABT] $perl_bt\n";
4151 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3466 LOG llevInfo, "[ABT] $_\n" for @bt; 4152 LOG llevInfo, "[ABT] $_\n" for @bt;
3467 --$_log_backtrace; 4153 --$_log_backtrace;
3468 }; 4154 };
3469 } else { 4155 } else {
3470 LOG llevInfo, "[ABT] $msg\n"; 4156 LOG llevInfo, "[ABT] $msg\n";
3471 LOG llevInfo, "[ABT] [suppressed]\n"; 4157 LOG llevInfo, "[ABT] [suppressed]\n";
3472 } 4158 }
3473} 4159}
3474 4160
3475# load additional modules 4161# load additional modules
3476use cf::pod; 4162require "cf/$_.pm" for @EXTRA_MODULES;
4163cf::_connect_to_perl_2;
3477 4164
3478END { cf::emergency_save } 4165END { cf::emergency_save }
3479 4166
34801 41671
3481 4168

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines