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Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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 thread
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
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
172=item @cf::INVOKE_RESULTS 246=item @cf::INVOKE_RESULTS
173 247
174This array contains the results of the last C<invoke ()> call. When 248This 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 249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 250that call.
177 251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
178=back 258=back
179 259
180=cut 260=cut
181 261
182BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 269 my $msg = join "", @_;
185 270
186 $msg .= "\n" 271 $msg .= "\n"
187 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
188 273
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 275
191 utf8::encode $msg;
192 LOG llevError, $msg; 276 LOG llevWarn, $msg;
193 }; 277};
194} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
195 292
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 303for my $pkg (qw(
207 cf::global cf::attachable 304 cf::global cf::attachable
208 cf::object cf::object::player 305 cf::object cf::object::player
209 cf::client cf::player 306 cf::client cf::player
210 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
211 cf::map cf::party cf::region 309 cf::party cf::region
212)) { 310)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 312}
216 313
217$Event::DIED = sub { 314$EV::DIED = sub {
218 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
219}; 316};
220 317
221############################################################################# 318#############################################################################
222 319
223=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 343 $d
247 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
248} 345}
249 346
250=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
251 348
252Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
253 350
254=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
255 352
256Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
257 354
258=cut 355=cut
259 356
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 358
262sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
264 404
265=item cf::lock_wait $string 405=item cf::lock_wait $string
266 406
267Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
268 408
269=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
270 410
271Wait until the given lock is available and then acquires it and returns 411Wait 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, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
274returned. 414returned.
275 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
276Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
278 421
279=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
280 423
281Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
282 425
283=cut 426=cut
284 427
285our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
286 429
287sub lock_wait($) { 430sub lock_wait($) {
288 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 432}
296 433
297sub lock_acquire($) { 434sub lock_acquire($) {
298 my ($key) = @_; 435 $LOCKS->guard ($_[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} 436}
310 437
311sub lock_active($) { 438sub lock_active($) {
312 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 440}
316 441
317sub freeze_mainloop { 442sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
319 444
320 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 446}
322 }; 447
323 $TICK_WATCHER->stop; 448=item cf::periodic $interval, $cb
324 $guard 449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
325} 461}
326 462
327=item cf::get_slot $time[, $priority[, $name]] 463=item cf::get_slot $time[, $priority[, $name]]
328 464
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 465Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 473
338=cut 474=cut
339 475
340our @SLOT_QUEUE; 476our @SLOT_QUEUE;
341our $SLOT_QUEUE; 477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
342 479
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
345 my $signal = new Coro::Signal; 484 my $signal = new Coro::Signal;
485 my $busy;
346 486
347 while () { 487 while () {
348 next_job: 488 next_job:
489
349 my $avail = cf::till_tick; 490 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 491
351 for (0 .. $#SLOT_QUEUE) { 492 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 495 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 496 $job->[2]->send;
355 Coro::cede; 497 Coro::cede;
356 goto next_job; 498 goto next_job;
357 } 499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 501 }
359 } 502 }
360 503
361 if (@SLOT_QUEUE) { 504 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 506 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 507 $signal->wait;
365 } else { 508 } else {
509 $busy = 0;
366 Coro::schedule; 510 Coro::schedule;
367 } 511 }
368 } 512 }
369}; 513};
370 514
371sub get_slot($;$$) { 515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
372 my ($time, $pri, $name) = @_; 518 my ($time, $pri, $name) = @_;
373 519
374 $time = $TICK * .6 if $time > $TICK * .6; 520 $time = clamp $time, 0.01, $TICK * .6;
521
375 my $sig = new Coro::Signal; 522 my $sig = new Coro::Signal;
376 523
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 526 $SLOT_QUEUE->ready;
390 537
391BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
392 539
393=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
394 541
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 543is 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 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 545acceptable.
399 546
400If it must be done, put the blocking parts into C<sync_job>. This will run 547If 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 548the given BLOCK in another coroutine while waiting for the result. The
405=cut 552=cut
406 553
407sub sync_job(&) { 554sub sync_job(&) {
408 my ($job) = @_; 555 my ($job) = @_;
409 556
410 if ($Coro::current == $Coro::main) { 557 if (in_main) {
411 my $time = Event::time; 558 my $time = AE::time;
412 559
413 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
415 562
416 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 564
418 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
419 566
420 my $busy = 1; 567 my $busy = 1;
421 my @res; 568 my @res;
422 569
423 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 572 @res = eval { $job->() };
425 warn $@ if $@; 573 error $@ if $@;
426 undef $busy; 574 undef $busy;
427 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
428 576
429 while ($busy) { 577 while ($busy) {
430 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
431 } 582 }
583 }
432 584
433 $time = Event::time - $time; 585 my $time = AE::time - $time;
434 586
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 587 $TICK_START += $time; # do not account sync jobs to server load
439 588
440 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
441 } else { 590 } else {
442 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
443 592
463 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
464 613
465 $coro 614 $coro
466} 615}
467 616
468=item fork_call { }, $args 617=item fork_call { }, @args
469 618
470Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
474 623
475=cut 624=cut
476 625
477sub _store_scalar { 626sub post_fork {
478 open my $fh, ">", \my $buf 627 reset_signals;
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} 628}
485 629
486sub fork_call(&@) { 630sub fork_call(&@) {
487 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
488 632
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 636
494 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
495 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
496 641
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
498 warn "pst<$res>" unless $res =~ /^pst/; 643}
499 $res = Coro::Storable::thaw $res;
500 644
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
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
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
528} 681}
529 682
530=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
531 684
532Returns a single value from the environment database. 685Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
535 688
536Stores the given C<$value> in the family. It can currently store binary 689Stores 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). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
539=cut 697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
540 718
541our $DB; 719our $DB;
542 720
543sub db_init { 721sub db_init {
544 unless ($DB) { 722 $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} 723}
559 724
560sub db_get($$) { 725sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
562 727
563 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
564 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
565 732
566 $! ? () 733 $! ? ()
567 : $data 734 : $data
568 }
569} 735}
570 736
571sub db_put($$$) { 737sub db_put($$$) {
572 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 778 if (1) {
613 $md5 = 779 $md5 =
614 join "\x00", 780 join "\x00",
615 $processversion, 781 $processversion,
616 map { 782 map {
617 Coro::cede; 783 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 785 } 0.. $#$src;
620 786
621 787
622 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
629 795
630 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 797 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
633 799
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 801
636 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
639 805
649 815
650=cut 816=cut
651 817
652sub datalog($@) { 818sub datalog($@) {
653 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 821}
656 822
657=back 823=back
658 824
659=cut 825=cut
660 826
661############################################################################# 827#############################################################################
662 828
663=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
664 830
665Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
668 834
669In the following description, CLASS can be any of C<global>, C<object> 835In 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 836C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 837Deliantra).
672 838
673=over 4 839=over 4
674 840
675=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
676 842
720=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
721 887
722Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
724 890
725Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
727 893
728These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
729 895
730=over 4 896=over 4
854 1020
855 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 1023
858 } elsif (ref $type) { 1024 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
860 1026
861 } else { 1027 } else {
862 shift @arg; 1028 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
864 } 1030 }
865 } 1031 }
866} 1032}
867 1033
868sub _object_attach { 1034sub _object_attach {
878 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
879 } 1045 }
880 1046
881 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
882 } else { 1048 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1050 }
885 1051
886 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
887} 1053}
888 1054
947 1113
948 for (@$callbacks) { 1114 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
950 1116
951 if ($@) { 1117 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1119 override;
955 } 1120 }
956 1121
957 return 1 if $override; 1122 return 1 if $override;
958 } 1123 }
959 1124
960 0 1125 0
961} 1126}
962 1127
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1129
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1131
967Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
968 1133
974 1139
975=cut 1140=cut
976 1141
977############################################################################# 1142#############################################################################
978# object support 1143# object support
979#
980 1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
981sub _can_merge { 1178sub _can_merge {
982 my ($ob1, $ob2) = @_; 1179 my ($ob1, $ob2) = @_;
983 1180
984 local $Storable::canonical = 1; 1181 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1182
988 $fob1 eq $fob2 1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
989} 1185}
990 1186
991sub reattach { 1187sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1189 my ($obj) = @_;
994 1190
1191 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1193
997 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
998 1195
999 @$registry = (); 1196 @$registry = ();
1000 1197
1005 for (@$attach) { 1202 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
1008 } 1205 }
1009 } else { 1206 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1208 }
1012 } 1209 }
1013} 1210}
1014 1211
1015cf::attachable->attach ( 1212cf::attachable->attach (
1016 prio => -1000000, 1213 prio => -1000000,
1017 on_instantiate => sub { 1214 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
1019 1216
1020 $data = from_json $data; 1217 $data = decode_json $data;
1021 1218
1022 for (@$data) { 1219 for (@$data) {
1023 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
1024 1221
1025 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1238sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
1043 1240
1044 sync_job { 1241 sync_job {
1045 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
1048 1247
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 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;
1253 aio_fsync $fh;
1254 }
1053 close $fh; 1255 aio_close $fh;
1054 1256
1055 if (@$objs) { 1257 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 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;
1264 aio_fsync $fh;
1265 }
1061 close $fh; 1266 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1268 }
1064 } else { 1269 } else {
1065 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
1066 } 1271 }
1067 1272
1068 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1277 } else {
1070 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
1071 } 1279 }
1072 } else { 1280 } else {
1073 aio_unlink $filename; 1281 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
1075 } 1283 }
1076 } 1284 };
1077} 1285}
1078 1286
1079sub object_freezer_as_string { 1287sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
1081 1289
1093 or return; 1301 or return;
1094 1302
1095 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1305 or return;
1306
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1099 } 1309 }
1100 1310
1311 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1103 return ($data, $av); 1316 ($data, $av)
1104} 1317}
1105 1318
1106=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1107 1320
1108=over 4 1321=over 4
1162 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1163 1376
1164 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1165} 1378}
1166 1379
1380use File::Glob ();
1381
1167cf::player->attach ( 1382cf::player->attach (
1168 on_command => sub { 1383 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1170 1385
1171 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1172 or return; 1387 or return;
1173 1388
1186 my ($type, $reply, @payload) = 1401 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg 1402 "ARRAY" eq ref $msg
1188 ? @$msg 1403 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190 1405
1406 my @reply;
1407
1191 if (my $cb = $EXTCMD{$type}) { 1408 if (my $cb = $EXTCMD{$type}) {
1192 my @reply = $cb->($pl, @payload); 1409 @reply = $cb->($pl, @payload);
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1197 } else { 1415 } else {
1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199 } 1417 }
1200 1418
1201 cf::override; 1419 cf::override;
1202 }, 1420 },
1203); 1421);
1204 1422
1423# "readahead" all extensions
1424sub cache_extensions {
1425 my $grp = IO::AIO::aio_group;
1426
1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1428 for (grep /\.ext$/, @{$_[0]}) {
1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1430 }
1431 };
1432
1433 $grp
1434}
1435
1205sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1206 cf::sync_job { 1439 cf::sync_job {
1207 my %todo; 1440 my %todo;
1208 1441
1209 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1210 next unless -r $path; 1443 next unless -r $path;
1228 1461
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1464
1232 $ext{source} = 1465 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1234 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1235 . $source 1468 . $source
1236 . "\n};\n1"; 1469 . "\n};\n1";
1237 1470
1238 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1239 } 1472 }
1240 1473
1474 my $pass = 0;
1241 my %done; 1475 my %done;
1242 while (%todo) { 1476 while (%todo) {
1243 my $progress; 1477 my $progress;
1244 1478
1479 ++$pass;
1480
1481 ext:
1245 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip 1484 next ext
1248 unless exists $done{$_}; 1485 unless exists $done{$_};
1249 } 1486 }
1250 1487
1251 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252 1489
1253 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1254 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1255 : "$v->{base}: extension inactive.\n";
1256 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1258 warn $msg; 1497
1259 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260 exit 1; 1499 delete $todo{$k};
1261 } 1500 } else {
1262 1501 $done{$k} = delete $todo{$k};
1263 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1264 } 1507 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1269 } 1508 }
1270 1509
1271 skip: 1510 unless ($progress) {
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273 unless $progress; 1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1274 } 1518 }
1275 }; 1519 };
1276} 1520}
1277 1521
1278############################################################################# 1522#############################################################################
1279 1523
1280=back 1524=back
1281 1525
1282=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1283 1527
1284Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1285 1529
1286=cut 1530=cut
1287 1531
1288package cf::player; 1532package cf::player;
1289 1533
1290use Coro::AIO; 1534use Coro::AIO;
1291 1535
1292=head3 cf::player 1536=head3 cf::player
1293 1537
1294=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1295 1553
1296=item cf::player::find $login 1554=item cf::player::find $login
1297 1555
1298Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1299 1557
1318 1576
1319sub exists($) { 1577sub exists($) {
1320 my ($login) = @_; 1578 my ($login) = @_;
1321 1579
1322 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1323 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1324} 1582}
1325 1583
1326sub find($) { 1584sub find($) {
1327 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1328 my $login = $_[0]; 1586 my $login = $_[0];
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1339 1597
1340 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1341 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1342 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1343 } 1607 }
1344 } 1608 }
1345} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1346 1623
1347sub save($) { 1624sub save($) {
1348 my ($pl) = @_; 1625 my ($pl) = @_;
1349 1626
1350 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1355 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1356 1633
1357 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1358 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1359 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1360 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1361 Coro::cede; 1643 cf::cede_to_tick;
1362} 1644}
1363 1645
1364sub new($) { 1646sub new($) {
1365 my ($login) = @_; 1647 my ($login) = @_;
1366 1648
1395 my ($pl) = @_; 1677 my ($pl) = @_;
1396 1678
1397 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1398 1680
1399 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1400 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1401 1683
1402 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1403 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1404 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1405 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1406 1692
1407 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1408 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1409 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1444 or return []; 1730 or return [];
1445 1731
1446 my @logins; 1732 my @logins;
1447 1733
1448 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1449 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1451 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1452 1744
1453 utf8::decode $login; 1745 utf8::decode $login;
1454 push @logins, $login; 1746 push @logins, $login;
1455 } 1747 }
1456 1748
1457 \@logins 1749 \@logins
1458} 1750}
1459 1751
1460=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1461 1755
1462Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1463player. May block. 1757player. May block.
1464 1758
1465=cut 1759=cut
1483 } 1777 }
1484 1778
1485 \@paths 1779 \@paths
1486} 1780}
1487 1781
1488=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489 1783
1490Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1491
1492=cut
1493
1494sub expand_cfpod {
1495 ((my $self), (local $_)) = @_;
1496
1497 # escape & and <
1498 s/&/&amp;/g;
1499 s/(?<![BIUGH])</&lt;/g;
1500
1501 # this is buggy, it needs to properly take care of nested <'s
1502
1503 1 while
1504 # replace B<>, I<>, U<> etc.
1505 s/B<([^\>]*)>/<b>$1<\/b>/
1506 || s/I<([^\>]*)>/<i>$1<\/i>/
1507 || s/U<([^\>]*)>/<u>$1<\/u>/
1508 # replace G<male|female> tags
1509 || s{G<([^>|]*)\|([^>]*)>}{
1510 $self->gender ? $2 : $1
1511 }ge
1512 # replace H<hint text>
1513 || s{H<([^\>]*)>}
1514 {
1515 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517 "")
1518 [$self->{hintmode}]
1519 }ge;
1520
1521 # create single paragraphs (very hackish)
1522 s/(?<=\S)\n(?=\w)/ /g;
1523
1524 # compress some whitespace
1525 s/\s+\n/\n/g; # ws line-ends
1526 s/\n\n+/\n/g; # double lines
1527 s/^\n+//; # beginning lines
1528 s/\n+$//; # ending lines
1529
1530 $_
1531}
1532
1533sub hintmode {
1534 $_[0]{hintmode} = $_[1] if @_ > 1;
1535 $_[0]{hintmode}
1536}
1537 1785
1538=item $player->ext_reply ($msgid, @msg) 1786=item $player->ext_reply ($msgid, @msg)
1539 1787
1540Sends an ext reply to the player. 1788Sends an ext reply to the player.
1541 1789
1542=cut 1790=cut
1543 1791
1544sub ext_reply($$@) { 1792sub ext_reply($$@) {
1545 my ($self, $id, @msg) = @_; 1793 my ($self, $id, @msg) = @_;
1546 1794
1547 if ($self->ns->extcmd == 2) { 1795 $self->ns->ext_reply ($id, @msg)
1548 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549 } elsif ($self->ns->extcmd == 1) {
1550 #TODO: version 1, remove
1551 unshift @msg, msgtype => "reply", msgid => $id;
1552 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553 }
1554} 1796}
1555 1797
1556=item $player->ext_msg ($type, @msg) 1798=item $player->ext_msg ($type, @msg)
1557 1799
1558Sends an ext event to the client. 1800Sends an ext event to the client.
1579 1821
1580=cut 1822=cut
1581 1823
1582sub find_by_path($) { 1824sub find_by_path($) {
1583 my ($path) = @_; 1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1584 1828
1585 my ($match, $specificity); 1829 my ($match, $specificity);
1586 1830
1587 for my $region (list) { 1831 for my $region (list) {
1588 if ($region->{match} && $path =~ $region->{match}) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1614our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1615our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1616 1860
1617sub generate_random_map { 1861sub generate_random_map {
1618 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1619 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1620 $self->_create_random_map ( 1867 $self->_create_random_map (
1621 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp,
1869 $rmp->{wall_name}, $rmp->{monsterstyle},
1622 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1870 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1623 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1871 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1624 $rmp->{exit_on_final_map}, 1872 $rmp->{exit_on_final_map},
1625 $rmp->{xsize}, $rmp->{ysize}, 1873 $rmp->{xsize}, $rmp->{ysize},
1626 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1874 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1875 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1628 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1876 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1629 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1877 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1630 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1878 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1631 (cf::region::find $rmp->{region}), $rmp->{custom} 1879 (cf::region::find $rmp->{region})
1632 ) 1880 )
1633} 1881}
1634 1882
1635=item cf::map->register ($regex, $prio) 1883=item cf::map->register ($regex, $prio)
1636 1884
1642 1890
1643sub register { 1891sub register {
1644 my (undef, $regex, $prio) = @_; 1892 my (undef, $regex, $prio) = @_;
1645 my $pkg = caller; 1893 my $pkg = caller;
1646 1894
1647 no strict;
1648 push @{"$pkg\::ISA"}, __PACKAGE__; 1895 push @{"$pkg\::ISA"}, __PACKAGE__;
1649 1896
1650 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1897 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1651} 1898}
1652 1899
1653# also paths starting with '/' 1900# also paths starting with '/'
1654$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1901$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1655 1902
1656sub thawer_merge { 1903sub thawer_merge {
1657 my ($self, $merge) = @_; 1904 my ($self, $merge) = @_;
1658 1905
1659 # we have to keep some variables in memory intact 1906 # we have to keep some variables in memory intact
1664} 1911}
1665 1912
1666sub normalise { 1913sub normalise {
1667 my ($path, $base) = @_; 1914 my ($path, $base) = @_;
1668 1915
1669 $path = "$path"; # make sure its a string 1916 $path = "$path"; # make sure it's a string
1670 1917
1671 $path =~ s/\.map$//; 1918 $path =~ s/\.map$//;
1672 1919
1673 # map plan: 1920 # map plan:
1674 # 1921 #
1689 $base =~ s{[^/]+/?$}{}; 1936 $base =~ s{[^/]+/?$}{};
1690 $path = "$base/$path"; 1937 $path = "$base/$path";
1691 } 1938 }
1692 1939
1693 for ($path) { 1940 for ($path) {
1694 redo if s{//}{/};
1695 redo if s{/\.?/}{/}; 1941 redo if s{/\.?/}{/};
1696 redo if s{/[^/]+/\.\./}{/}; 1942 redo if s{/[^/]+/\.\./}{/};
1697 } 1943 }
1698 1944
1699 $path 1945 $path
1713 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1714 return $self; 1960 return $self;
1715 } 1961 }
1716 } 1962 }
1717 1963
1718 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1719 () 1965 ()
1720} 1966}
1721 1967
1722sub init { 1968sub init {
1723 my ($self) = @_; 1969 my ($self) = @_;
1745 1991
1746# the temporary/swap location 1992# the temporary/swap location
1747sub save_path { 1993sub save_path {
1748 my ($self) = @_; 1994 my ($self) = @_;
1749 1995
1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1752} 1998}
1753 1999
1754# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1755sub uniq_path { 2001sub uniq_path {
1756 my ($self) = @_; 2002 my ($self) = @_;
1757 2003
1758 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1760}
1761
1762# and all this just because we cannot iterate over
1763# all maps in C++...
1764sub change_all_map_light {
1765 my ($change) = @_;
1766
1767 $_->change_map_light ($change)
1768 for grep $_->outdoor, values %cf::MAP;
1769} 2006}
1770 2007
1771sub decay_objects { 2008sub decay_objects {
1772 my ($self) = @_; 2009 my ($self) = @_;
1773 2010
1786 2023
1787sub load_header_from($) { 2024sub load_header_from($) {
1788 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1789 2026
1790 utf8::encode $path; 2027 utf8::encode $path;
1791 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1792 # or return;
1793
1794 $self->_load_header ($path)
1795 or return; 2029 or return;
2030
2031 $self->_load_header ($f)
2032 or return;
2033
2034 local $MAP_LOADING{$self->{path}} = $self;
2035 $f->resolve_delayed_derefs;
1796 2036
1797 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1798 2038
1799 1 2039 1
1800} 2040}
1852 2092
1853sub find; 2093sub find;
1854sub find { 2094sub find {
1855 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1856 2096
2097 cf::cede_to_tick;
2098
1857 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1858 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1860 2103
1861 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1862 my $guard = cf::lock_acquire "map_find:$path";
1863 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1864 or return; 2106 or return;
1865 2107
1866 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1867 2109
1869 or return; 2111 or return;
1870 2112
1871 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1873 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1874 $map->reset; 2118 $map->reset;
1875 undef $guard;
1876 return find $path; 2119 return find $path;
1877 } 2120 }
1878 2121
1879 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1880 } 2123 }
1881} 2124}
1882 2125
1883sub pre_load { } 2126sub pre_load { }
1884sub post_load { } 2127#sub post_load { } # XS
1885 2128
1886sub load { 2129sub load {
1887 my ($self) = @_; 2130 my ($self) = @_;
1888 2131
1889 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1890 2133
1891 my $path = $self->{path}; 2134 my $path = $self->{path};
1892 2135
1893 { 2136 {
1894 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1895 2138
2139 return unless $self->valid;
1896 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1897 2141
1898 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1899 2143
1900 $self->alloc; 2144 $self->alloc;
1901 2145
1902 $self->pre_load; 2146 $self->pre_load;
1903 Coro::cede; 2147 cf::cede_to_tick;
1904 2148
2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
1905 $self->_load_objects ($self->{load_path}, 1) 2151 $self->_load_objects ($f)
1906 or return; 2152 or return;
1907 2153
1908 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1909 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1910 2156
1911 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1912 utf8::encode $uniq; 2158 utf8::encode $uniq;
1913 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1914 $self->clear_unique_items; 2161 $self->clear_unique_items;
1915 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1916 } 2165 }
1917 } 2166 }
1918 2167
1919 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1920 # now do the right thing for maps 2171 # now do the right thing for maps
1921 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1922 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1923 unless $self->difficulty; 2174 unless $self->difficulty;
1924 Coro::cede; 2175 cf::cede_to_tick;
1925 2176
1926 unless ($self->{deny_activate}) { 2177 unless ($self->{deny_activate}) {
1927 $self->decay_objects; 2178 $self->decay_objects;
1928 $self->fix_auto_apply; 2179 $self->fix_auto_apply;
1929 $self->update_buttons; 2180 $self->update_buttons;
1930 Coro::cede; 2181 cf::cede_to_tick;
1931 $self->set_darkness_map;
1932 Coro::cede;
1933 $self->activate; 2182 $self->activate;
1934 } 2183 }
1935 2184
1936 $self->{last_save} = $cf::RUNTIME; 2185 $self->{last_save} = $cf::RUNTIME;
1937 $self->last_access ($cf::RUNTIME); 2186 $self->last_access ($cf::RUNTIME);
1938 2187
1939 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1940 } 2189 }
1941 2190
1942 $self->post_load; 2191 $self->post_load;
1943}
1944 2192
2193 1
2194}
2195
2196# customize the map for a given player, i.e.
2197# return the _real_ map. used by e.g. per-player
2198# maps to change the path to ~playername/mappath
1945sub customise_for { 2199sub customise_for {
1946 my ($self, $ob) = @_; 2200 my ($self, $ob) = @_;
1947 2201
1948 return find "~" . $ob->name . "/" . $self->{path} 2202 return find "~" . $ob->name . "/" . $self->{path}
1949 if $self->per_player; 2203 if $self->per_player;
1953 2207
1954 $self 2208 $self
1955} 2209}
1956 2210
1957# find and load all maps in the 3x3 area around a map 2211# find and load all maps in the 3x3 area around a map
1958sub load_diag { 2212sub load_neighbours {
1959 my ($map) = @_; 2213 my ($map) = @_;
1960 2214
1961 my @diag; # diagonal neighbours 2215 my @neigh; # diagonal neighbours
1962 2216
1963 for (0 .. 3) { 2217 for (0 .. 3) {
1964 my $neigh = $map->tile_path ($_) 2218 my $neigh = $map->tile_path ($_)
1965 or next; 2219 or next;
1966 $neigh = find $neigh, $map 2220 $neigh = find $neigh, $map
1967 or next; 2221 or next;
1968 $neigh->load; 2222 $neigh->load;
1969 2223
2224 # now find the diagonal neighbours
2225 push @neigh,
1970 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2226 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1971 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2227 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1972 } 2228 }
1973 2229
1974 for (@diag) { 2230 for (grep defined $_->[0], @neigh) {
2231 my ($path, $origin) = @$_;
1975 my $neigh = find @$_ 2232 my $neigh = find $path, $origin
1976 or next; 2233 or next;
1977 $neigh->load; 2234 $neigh->load;
1978 } 2235 }
1979} 2236}
1980 2237
1981sub find_sync { 2238sub find_sync {
1982 my ($path, $origin) = @_; 2239 my ($path, $origin) = @_;
1983 2240
1984 cf::sync_job { find $path, $origin } 2241 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2242 if $Coro::current == $Coro::main;
2243
2244 find $path, $origin
1985} 2245}
1986 2246
1987sub do_load_sync { 2247sub do_load_sync {
1988 my ($map) = @_; 2248 my ($map) = @_;
1989 2249
1990 cf::sync_job { $map->load }; 2250 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2251 if $Coro::current == $Coro::main;
2252
2253 $map->load;
1991} 2254}
1992 2255
1993our %MAP_PREFETCH; 2256our %MAP_PREFETCH;
1994our $MAP_PREFETCHER = undef; 2257our $MAP_PREFETCHER = undef;
1995 2258
1996sub find_async { 2259sub find_async {
1997 my ($path, $origin) = @_; 2260 my ($path, $origin, $load) = @_;
1998 2261
1999 $path = normalise $path, $origin && $origin->{path}; 2262 $path = normalise $path, $origin && $origin->{path};
2000 2263
2001 if (my $map = $cf::MAP{$path}) { 2264 if (my $map = $cf::MAP{$path}) {
2002 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2265 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003 } 2266 }
2004 2267
2005 undef $MAP_PREFETCH{$path}; 2268 $MAP_PREFETCH{$path} |= $load;
2269
2006 $MAP_PREFETCHER ||= cf::async { 2270 $MAP_PREFETCHER ||= cf::async {
2271 $Coro::current->{desc} = "map prefetcher";
2272
2007 while (%MAP_PREFETCH) { 2273 while (%MAP_PREFETCH) {
2008 for my $path (keys %MAP_PREFETCH) { 2274 while (my ($k, $v) = each %MAP_PREFETCH) {
2009 if (my $map = find $path) { 2275 if (my $map = find $k) {
2010 $map->load; 2276 $map->load if $v;
2011 } 2277 }
2012 2278
2013 delete $MAP_PREFETCH{$path}; 2279 delete $MAP_PREFETCH{$k};
2014 } 2280 }
2015 } 2281 }
2016 undef $MAP_PREFETCHER; 2282 undef $MAP_PREFETCHER;
2017 }; 2283 };
2018 $MAP_PREFETCHER->prio (6); 2284 $MAP_PREFETCHER->prio (6);
2019 2285
2020 () 2286 ()
2021} 2287}
2022 2288
2289# common code, used by both ->save and ->swapout
2023sub save { 2290sub _save {
2024 my ($self) = @_; 2291 my ($self) = @_;
2025
2026 my $lock = cf::lock_acquire "map_data:" . $self->path;
2027 2292
2028 $self->{last_save} = $cf::RUNTIME; 2293 $self->{last_save} = $cf::RUNTIME;
2029 2294
2030 return unless $self->dirty; 2295 return unless $self->dirty;
2031 2296
2037 return if $self->{deny_save}; 2302 return if $self->{deny_save};
2038 2303
2039 local $self->{last_access} = $self->last_access;#d# 2304 local $self->{last_access} = $self->last_access;#d#
2040 2305
2041 cf::async { 2306 cf::async {
2307 $Coro::current->{desc} = "map player save";
2042 $_->contr->save for $self->players; 2308 $_->contr->save for $self->players;
2043 }; 2309 };
2310
2311 cf::get_slot 0.02;
2044 2312
2045 if ($uniq) { 2313 if ($uniq) {
2046 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2315 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2048 } else { 2316 } else {
2049 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2317 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050 } 2318 }
2051} 2319}
2052 2320
2321sub save {
2322 my ($self) = @_;
2323
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
2326 $self->_save;
2327}
2328
2053sub swap_out { 2329sub swap_out {
2054 my ($self) = @_; 2330 my ($self) = @_;
2055 2331
2056 # save first because save cedes
2057 $self->save;
2058
2059 my $lock = cf::lock_acquire "map_data:" . $self->path; 2332 my $lock = cf::lock_acquire "map_data:$self->{path}";
2060 2333
2334 return if $self->in_memory != cf::MAP_ACTIVE;
2335 return if $self->{deny_save};
2061 return if $self->players; 2336 return if $self->players;
2062 return if $self->in_memory != cf::MAP_IN_MEMORY;
2063 return if $self->{deny_save};
2064 2337
2338 # first deactivate the map and "unlink" it from the core
2339 $self->deactivate;
2340 $_->clear_links_to ($self) for values %cf::MAP;
2341 $self->in_memory (cf::MAP_SWAPPED);
2342
2343 # then atomically save
2344 $self->_save;
2345
2346 # then free the map
2065 $self->clear; 2347 $self->clear;
2066 $self->in_memory (cf::MAP_SWAPPED);
2067} 2348}
2068 2349
2069sub reset_at { 2350sub reset_at {
2070 my ($self) = @_; 2351 my ($self) = @_;
2071 2352
2089 2370
2090 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2371 my $lock = cf::lock_acquire "map_data:$self->{path}";
2091 2372
2092 return if $self->players; 2373 return if $self->players;
2093 2374
2094 warn "resetting map ", $self->path; 2375 cf::trace "resetting map ", $self->path, "\n";
2095 2376
2096 $self->in_memory (cf::MAP_SWAPPED); 2377 $self->in_memory (cf::MAP_SWAPPED);
2097 2378
2098 # need to save uniques path 2379 # need to save uniques path
2099 unless ($self->{deny_save}) { 2380 unless ($self->{deny_save}) {
2103 if $uniq; 2384 if $uniq;
2104 } 2385 }
2105 2386
2106 delete $cf::MAP{$self->path}; 2387 delete $cf::MAP{$self->path};
2107 2388
2389 $self->deactivate;
2390 $_->clear_links_to ($self) for values %cf::MAP;
2108 $self->clear; 2391 $self->clear;
2109
2110 $_->clear_links_to ($self) for values %cf::MAP;
2111 2392
2112 $self->unlink_save; 2393 $self->unlink_save;
2113 $self->destroy; 2394 $self->destroy;
2114} 2395}
2115 2396
2116my $nuke_counter = "aaaa"; 2397my $nuke_counter = "aaaa";
2117 2398
2118sub nuke { 2399sub nuke {
2119 my ($self) = @_; 2400 my ($self) = @_;
2120 2401
2402 {
2403 my $lock = cf::lock_acquire "map_data:$self->{path}";
2404
2121 delete $cf::MAP{$self->path}; 2405 delete $cf::MAP{$self->path};
2122 2406
2123 $self->unlink_save; 2407 $self->unlink_save;
2124 2408
2125 bless $self, "cf::map"; 2409 bless $self, "cf::map::wrap";
2126 delete $self->{deny_reset}; 2410 delete $self->{deny_reset};
2127 $self->{deny_save} = 1; 2411 $self->{deny_save} = 1;
2128 $self->reset_timeout (1); 2412 $self->reset_timeout (1);
2129 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2413 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130 2414
2131 $cf::MAP{$self->path} = $self; 2415 $cf::MAP{$self->path} = $self;
2416 }
2132 2417
2133 $self->reset; # polite request, might not happen 2418 $self->reset; # polite request, might not happen
2134} 2419}
2135 2420
2136=item $maps = cf::map::tmp_maps 2421=item $maps = cf::map::tmp_maps
2178 2463
2179sub unique_maps() { 2464sub unique_maps() {
2180 [ 2465 [
2181 map { 2466 map {
2182 utf8::decode $_; 2467 utf8::decode $_;
2183 /\.map$/ 2468 s/\.map$//; # TODO future compatibility hack
2469 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2470 ? ()
2184 ? normalise $_ 2471 : normalise $_
2185 : ()
2186 } @{ aio_readdir $UNIQUEDIR or [] } 2472 } @{ aio_readdir $UNIQUEDIR or [] }
2187 ] 2473 ]
2188} 2474}
2189 2475
2190package cf; 2476=item cf::map::static_maps
2477
2478Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2479file in the shared directory excluding F</styles> and F</editor>). May
2480block.
2481
2482=cut
2483
2484sub static_maps() {
2485 my @dirs = "";
2486 my @maps;
2487
2488 while (@dirs) {
2489 my $dir = shift @dirs;
2490
2491 next if $dir eq "/styles" || $dir eq "/editor";
2492
2493 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2494 or return;
2495
2496 for (@$files) {
2497 s/\.map$// or next;
2498 utf8::decode $_;
2499 push @maps, "$dir/$_";
2500 }
2501
2502 push @dirs, map "$dir/$_", @$dirs;
2503 }
2504
2505 \@maps
2506}
2191 2507
2192=back 2508=back
2193 2509
2194=head3 cf::object 2510=head3 cf::object
2195 2511
2199 2515
2200=over 4 2516=over 4
2201 2517
2202=item $ob->inv_recursive 2518=item $ob->inv_recursive
2203 2519
2204Returns the inventory of the object _and_ their inventories, recursively. 2520Returns the inventory of the object I<and> their inventories, recursively,
2521but I<not> the object itself.
2205 2522
2206=cut 2523=cut
2207 2524
2208sub inv_recursive_; 2525sub inv_recursive_;
2209sub inv_recursive_ { 2526sub inv_recursive_ {
2212 2529
2213sub inv_recursive { 2530sub inv_recursive {
2214 inv_recursive_ inv $_[0] 2531 inv_recursive_ inv $_[0]
2215} 2532}
2216 2533
2534=item $ref = $ob->ref
2535
2536Creates and returns a persistent reference to an object that can be stored as a string.
2537
2538=item $ob = cf::object::deref ($refstring)
2539
2540returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2541even if the object actually exists. May block.
2542
2543=cut
2544
2545sub deref {
2546 my ($ref) = @_;
2547
2548 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2549 my ($uuid, $name) = ($1, $2);
2550 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2551 or return;
2552 $pl->ob->uuid eq $uuid
2553 or return;
2554
2555 $pl->ob
2556 } else {
2557 warn "$ref: cannot resolve object reference\n";
2558 undef
2559 }
2560}
2561
2217package cf; 2562package cf;
2218 2563
2219=back 2564=back
2220 2565
2221=head3 cf::object::player 2566=head3 cf::object::player
2227Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2572Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228can be C<undef>. Does the right thing when the player is currently in a 2573can be C<undef>. Does the right thing when the player is currently in a
2229dialogue with the given NPC character. 2574dialogue with the given NPC character.
2230 2575
2231=cut 2576=cut
2577
2578our $SAY_CHANNEL = {
2579 id => "say",
2580 title => "Map",
2581 reply => "say ",
2582 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2583};
2584
2585our $CHAT_CHANNEL = {
2586 id => "chat",
2587 title => "Chat",
2588 reply => "chat ",
2589 tooltip => "Player chat and shouts, global to the server.",
2590};
2232 2591
2233# rough implementation of a future "reply" method that works 2592# rough implementation of a future "reply" method that works
2234# with dialog boxes. 2593# with dialog boxes.
2235#TODO: the first argument must go, split into a $npc->reply_to ( method 2594#TODO: the first argument must go, split into a $npc->reply_to ( method
2236sub cf::object::player::reply($$$;$) { 2595sub cf::object::player::reply($$$;$) {
2248 my $dialog = $pl->{npc_dialog}; 2607 my $dialog = $pl->{npc_dialog};
2249 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2608 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250 2609
2251 } else { 2610 } else {
2252 $msg = $npc->name . " says: $msg" if $npc; 2611 $msg = $npc->name . " says: $msg" if $npc;
2253 $self->message ($msg, $flags); 2612 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254 } 2613 }
2255 } 2614 }
2256} 2615}
2257 2616
2258=item $object->send_msg ($channel, $msg, $color, [extra...]) 2617=item $object->send_msg ($channel, $msg, $color, [extra...])
2283 2642
2284=item $player_object->enter_link 2643=item $player_object->enter_link
2285 2644
2286Freezes the player and moves him/her to a special map (C<{link}>). 2645Freezes the player and moves him/her to a special map (C<{link}>).
2287 2646
2288The player should be reasonably safe there for short amounts of time. You 2647The player should be reasonably safe there for short amounts of time (e.g.
2289I<MUST> call C<leave_link> as soon as possible, though. 2648for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2649though, as the player cannot control the character while it is on the link
2650map.
2290 2651
2291Will never block. 2652Will never block.
2292 2653
2293=item $player_object->leave_link ($map, $x, $y) 2654=item $player_object->leave_link ($map, $x, $y)
2294 2655
2314sub cf::object::player::enter_link { 2675sub cf::object::player::enter_link {
2315 my ($self) = @_; 2676 my ($self) = @_;
2316 2677
2317 $self->deactivate_recursive; 2678 $self->deactivate_recursive;
2318 2679
2680 ++$self->{_link_recursion};
2681
2319 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2682 return if UNIVERSAL::isa $self->map, "ext::map_link";
2320 2683
2321 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2684 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322 if $self->map && $self->map->{path} ne "{link}"; 2685 if $self->map && $self->map->{path} ne "{link}";
2323 2686
2324 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2687 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2325} 2688}
2326 2689
2327sub cf::object::player::leave_link { 2690sub cf::object::player::leave_link {
2328 my ($self, $map, $x, $y) = @_; 2691 my ($self, $map, $x, $y) = @_;
2329 2692
2346 ($x, $y) = (-1, -1) 2709 ($x, $y) = (-1, -1)
2347 unless (defined $x) && (defined $y); 2710 unless (defined $x) && (defined $y);
2348 2711
2349 # use -1 or undef as default coordinates, not 0, 0 2712 # use -1 or undef as default coordinates, not 0, 0
2350 ($x, $y) = ($map->enter_x, $map->enter_y) 2713 ($x, $y) = ($map->enter_x, $map->enter_y)
2351 if $x <=0 && $y <= 0; 2714 if $x <= 0 && $y <= 0;
2352 2715
2353 $map->load; 2716 $map->load;
2354 $map->load_diag; 2717 $map->load_neighbours;
2355 2718
2356 return unless $self->contr->active; 2719 return unless $self->contr->active;
2357 $self->activate_recursive;
2358 2720
2359 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2721 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360 $self->enter_map ($map, $x, $y); 2722 if ($self->enter_map ($map, $x, $y)) {
2361} 2723 # entering was successful
2724 delete $self->{_link_recursion};
2725 # only activate afterwards, to support waiting in hooks
2726 $self->activate_recursive;
2727 }
2362 2728
2729}
2730
2363=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2731=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2364 2732
2365Moves the player to the given map-path and coordinates by first freezing 2733Moves the player to the given map-path and coordinates by first freezing
2366her, loading and preparing them map, calling the provided $check callback 2734her, loading and preparing them map, calling the provided $check callback
2367that has to return the map if sucecssful, and then unfreezes the player on 2735that has to return the map if sucecssful, and then unfreezes the player on
2368the new (success) or old (failed) map position. In either case, $done will 2736the new (success) or old (failed) map position. In either case, $done will
2369be called at the end of this process. 2737be called at the end of this process.
2370 2738
2739Note that $check will be called with a potentially non-loaded map, so if
2740it needs a loaded map it has to call C<< ->load >>.
2741
2371=cut 2742=cut
2372 2743
2373our $GOTOGEN; 2744our $GOTOGEN;
2374 2745
2375sub cf::object::player::goto { 2746sub cf::object::player::goto {
2376 my ($self, $path, $x, $y, $check, $done) = @_; 2747 my ($self, $path, $x, $y, $check, $done) = @_;
2377 2748
2749 if ($self->{_link_recursion} >= $MAX_LINKS) {
2750 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2751 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2752 ($path, $x, $y) = @$EMERGENCY_POSITION;
2753 }
2754
2378 # do generation counting so two concurrent goto's will be executed in-order 2755 # do generation counting so two concurrent goto's will be executed in-order
2379 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2756 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380 2757
2381 $self->enter_link; 2758 $self->enter_link;
2382 2759
2383 (async { 2760 (async {
2761 $Coro::current->{desc} = "player::goto $path $x $y";
2762
2763 # *tag paths override both path and x|y
2764 if ($path =~ /^\*(.*)$/) {
2765 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2766 my $ob = $obs[rand @obs];
2767
2768 # see if we actually can go there
2769 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2770 $ob = $obs[rand @obs];
2771 } else {
2772 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2773 }
2774 # else put us there anyways for now #d#
2775
2776 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2777 } else {
2778 ($path, $x, $y) = (undef, undef, undef);
2779 }
2780 }
2781
2384 my $map = eval { 2782 my $map = eval {
2385 my $map = cf::map::find $path; 2783 my $map = defined $path ? cf::map::find $path : undef;
2386 2784
2387 if ($map) { 2785 if ($map) {
2388 $map = $map->customise_for ($self); 2786 $map = $map->customise_for ($self);
2389 $map = $check->($map) if $check && $map; 2787 $map = $check->($map, $x, $y, $self) if $check && $map;
2390 } else { 2788 } else {
2391 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2789 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392 } 2790 }
2393 2791
2394 $map 2792 $map
2395 }; 2793 };
2396 2794
2402 if ($gen == $self->{_goto_generation}) { 2800 if ($gen == $self->{_goto_generation}) {
2403 delete $self->{_goto_generation}; 2801 delete $self->{_goto_generation};
2404 $self->leave_link ($map, $x, $y); 2802 $self->leave_link ($map, $x, $y);
2405 } 2803 }
2406 2804
2407 $done->() if $done; 2805 $done->($self) if $done;
2408 })->prio (1); 2806 })->prio (1);
2409} 2807}
2410 2808
2411=item $player_object->enter_exit ($exit_object) 2809=item $player_object->enter_exit ($exit_object)
2412 2810
2432} 2830}
2433 2831
2434sub prepare_random_map { 2832sub prepare_random_map {
2435 my ($exit) = @_; 2833 my ($exit) = @_;
2436 2834
2437 my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439 # all this does is basically replace the /! path by 2835 # all this does is basically replace the /! path by
2440 # a new random map path (?random/...) with a seed 2836 # a new random map path (?random/...) with a seed
2441 # that depends on the exit object 2837 # that depends on the exit object
2442 2838
2443 my $rmp = parse_random_map_params $exit->msg; 2839 my $rmp = parse_random_map_params $exit->msg;
2445 if ($exit->map) { 2841 if ($exit->map) {
2446 $rmp->{region} = $exit->region->name; 2842 $rmp->{region} = $exit->region->name;
2447 $rmp->{origin_map} = $exit->map->path; 2843 $rmp->{origin_map} = $exit->map->path;
2448 $rmp->{origin_x} = $exit->x; 2844 $rmp->{origin_x} = $exit->x;
2449 $rmp->{origin_y} = $exit->y; 2845 $rmp->{origin_y} = $exit->y;
2846
2847 $exit->map->touch;
2450 } 2848 }
2451 2849
2452 $rmp->{random_seed} ||= $exit->random_seed; 2850 $rmp->{random_seed} ||= $exit->random_seed;
2453 2851
2454 my $data = cf::to_json $rmp; 2852 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455 my $md5 = Digest::MD5::md5_hex $data; 2853 my $md5 = Digest::MD5::md5_hex $data;
2456 my $meta = "$RANDOMDIR/$md5.meta"; 2854 my $meta = "$RANDOMDIR/$md5.meta";
2457 2855
2458 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459 aio_write $fh, 0, (length $data), $data, 0; 2857 aio_write $fh, 0, (length $data), $data, 0;
2460 undef $fh; 2858 undef $fh;
2461 aio_rename "$meta~", $meta; 2859 aio_rename "$meta~", $meta;
2462 2860
2861 my $slaying = "?random/$md5";
2862
2863 if ($exit->valid) {
2463 $exit->slaying ("?random/$md5"); 2864 $exit->slaying ("?random/$md5");
2464 $exit->msg (undef); 2865 $exit->msg (undef);
2866 }
2465 } 2867 }
2466} 2868}
2467 2869
2468sub cf::object::player::enter_exit { 2870sub cf::object::player::enter_exit {
2469 my ($self, $exit) = @_; 2871 my ($self, $exit) = @_;
2470 2872
2471 return unless $self->type == cf::PLAYER; 2873 return unless $self->type == cf::PLAYER;
2472 2874
2473 if ($exit->slaying eq "/!") {
2474 #TODO: this should de-fi-ni-te-ly not be a sync-job
2475 # the problem is that $exit might not survive long enough
2476 # so it needs to be done right now, right here
2477 cf::sync_job { prepare_random_map $exit };
2478 }
2479
2480 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481 my $hp = $exit->stats->hp;
2482 my $sp = $exit->stats->sp;
2483
2484 $self->enter_link; 2875 $self->enter_link;
2485 2876
2486 # if exit is damned, update players death & WoR home-position
2487 $self->contr->savebed ($slaying, $hp, $sp)
2488 if $exit->flag (FLAG_DAMNED);
2489
2490 (async { 2877 (async {
2491 $self->deactivate_recursive; # just to be sure 2878 $Coro::current->{desc} = "enter_exit";
2879
2492 unless (eval { 2880 unless (eval {
2881 $self->deactivate_recursive; # just to be sure
2882
2883 # random map handling
2884 {
2885 my $guard = cf::lock_acquire "exit_prepare:$exit";
2886
2887 prepare_random_map $exit
2888 if $exit->slaying eq "/!";
2889 }
2890
2891 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2892 my $x = $exit->stats->hp;
2893 my $y = $exit->stats->sp;
2894
2493 $self->goto ($slaying, $hp, $sp); 2895 $self->goto ($map, $x, $y);
2494 2896
2897 # if exit is damned, update players death & WoR home-position
2898 $self->contr->savebed ($map, $x, $y)
2899 if $exit->flag (cf::FLAG_DAMNED);
2900
2495 1; 2901 1
2496 }) { 2902 }) {
2497 $self->message ("Something went wrong deep within the crossfire server. " 2903 $self->message ("Something went wrong deep within the deliantra server. "
2498 . "I'll try to bring you back to the map you were before. " 2904 . "I'll try to bring you back to the map you were before. "
2499 . "Please report this to the dungeon master!", 2905 . "Please report this to the dungeon master!",
2500 cf::NDI_UNIQUE | cf::NDI_RED); 2906 cf::NDI_UNIQUE | cf::NDI_RED);
2501 2907
2502 warn "ERROR in enter_exit: $@"; 2908 error "ERROR in enter_exit: $@";
2503 $self->leave_link; 2909 $self->leave_link;
2504 } 2910 }
2505 })->prio (1); 2911 })->prio (1);
2506} 2912}
2507 2913
2519sub cf::client::send_drawinfo { 2925sub cf::client::send_drawinfo {
2520 my ($self, $text, $flags) = @_; 2926 my ($self, $text, $flags) = @_;
2521 2927
2522 utf8::encode $text; 2928 utf8::encode $text;
2523 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2929 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2930}
2931
2932=item $client->send_big_packet ($pkt)
2933
2934Like C<send_packet>, but tries to compress large packets, and fragments
2935them as required.
2936
2937=cut
2938
2939our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2940
2941sub cf::client::send_big_packet {
2942 my ($self, $pkt) = @_;
2943
2944 # try lzf for large packets
2945 $pkt = "lzf " . Compress::LZF::compress $pkt
2946 if 1024 <= length $pkt and $self->{can_lzf};
2947
2948 # split very large packets
2949 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2950 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2951 $pkt = "frag";
2952 }
2953
2954 $self->send_packet ($pkt);
2524} 2955}
2525 2956
2526=item $client->send_msg ($channel, $msg, $color, [extra...]) 2957=item $client->send_msg ($channel, $msg, $color, [extra...])
2527 2958
2528Send a drawinfo or msg packet to the client, formatting the msg for the 2959Send a drawinfo or msg packet to the client, formatting the msg for the
2530the message, with C<log> being the default. If C<$color> is negative, suppress 2961the message, with C<log> being the default. If C<$color> is negative, suppress
2531the message unless the client supports the msg packet. 2962the message unless the client supports the msg packet.
2532 2963
2533=cut 2964=cut
2534 2965
2966# non-persistent channels (usually the info channel)
2967our %CHANNEL = (
2968 "c/motd" => {
2969 id => "infobox",
2970 title => "MOTD",
2971 reply => undef,
2972 tooltip => "The message of the day",
2973 },
2974 "c/identify" => {
2975 id => "infobox",
2976 title => "Identify",
2977 reply => undef,
2978 tooltip => "Items recently identified",
2979 },
2980 "c/examine" => {
2981 id => "infobox",
2982 title => "Examine",
2983 reply => undef,
2984 tooltip => "Signs and other items you examined",
2985 },
2986 "c/shopinfo" => {
2987 id => "infobox",
2988 title => "Shop Info",
2989 reply => undef,
2990 tooltip => "What your bargaining skill tells you about the shop",
2991 },
2992 "c/book" => {
2993 id => "infobox",
2994 title => "Book",
2995 reply => undef,
2996 tooltip => "The contents of a note or book",
2997 },
2998 "c/lookat" => {
2999 id => "infobox",
3000 title => "Look",
3001 reply => undef,
3002 tooltip => "What you saw there",
3003 },
3004 "c/who" => {
3005 id => "infobox",
3006 title => "Players",
3007 reply => undef,
3008 tooltip => "Shows players who are currently online",
3009 },
3010 "c/body" => {
3011 id => "infobox",
3012 title => "Body Parts",
3013 reply => undef,
3014 tooltip => "Shows which body parts you posess and are available",
3015 },
3016 "c/statistics" => {
3017 id => "infobox",
3018 title => "Statistics",
3019 reply => undef,
3020 tooltip => "Shows your primary statistics",
3021 },
3022 "c/skills" => {
3023 id => "infobox",
3024 title => "Skills",
3025 reply => undef,
3026 tooltip => "Shows your experience per skill and item power",
3027 },
3028 "c/shopitems" => {
3029 id => "infobox",
3030 title => "Shop Items",
3031 reply => undef,
3032 tooltip => "Shows the items currently for sale in this shop",
3033 },
3034 "c/resistances" => {
3035 id => "infobox",
3036 title => "Resistances",
3037 reply => undef,
3038 tooltip => "Shows your resistances",
3039 },
3040 "c/pets" => {
3041 id => "infobox",
3042 title => "Pets",
3043 reply => undef,
3044 tooltip => "Shows information abotu your pets/a specific pet",
3045 },
3046 "c/perceiveself" => {
3047 id => "infobox",
3048 title => "Perceive Self",
3049 reply => undef,
3050 tooltip => "You gained detailed knowledge about yourself",
3051 },
3052 "c/uptime" => {
3053 id => "infobox",
3054 title => "Uptime",
3055 reply => undef,
3056 tooltip => "How long the server has been running since last restart",
3057 },
3058 "c/mapinfo" => {
3059 id => "infobox",
3060 title => "Map Info",
3061 reply => undef,
3062 tooltip => "Information related to the maps",
3063 },
3064 "c/party" => {
3065 id => "party",
3066 title => "Party",
3067 reply => "gsay ",
3068 tooltip => "Messages and chat related to your party",
3069 },
3070 "c/death" => {
3071 id => "death",
3072 title => "Death",
3073 reply => undef,
3074 tooltip => "Reason for and more info about your most recent death",
3075 },
3076 "c/say" => $SAY_CHANNEL,
3077 "c/chat" => $CHAT_CHANNEL,
3078);
3079
2535sub cf::client::send_msg { 3080sub cf::client::send_msg {
2536 my ($self, $channel, $msg, $color, @extra) = @_; 3081 my ($self, $channel, $msg, $color, @extra) = @_;
2537 3082
2538 $msg = $self->pl->expand_cfpod ($msg); 3083 $msg = $self->pl->expand_cfpod ($msg)
3084 unless $color & cf::NDI_VERBATIM;
2539 3085
2540 $color &= cf::NDI_CLIENT_MASK; # just in case... 3086 $color &= cf::NDI_CLIENT_MASK; # just in case...
2541 3087
3088 # check predefined channels, for the benefit of C
3089 if ($CHANNEL{$channel}) {
3090 $channel = $CHANNEL{$channel};
3091
3092 $self->ext_msg (channel_info => $channel);
3093 $channel = $channel->{id};
3094
2542 if (ref $channel) { 3095 } elsif (ref $channel) {
2543 # send meta info to client, if not yet sent 3096 # send meta info to client, if not yet sent
2544 unless (exists $self->{channel}{$channel->{id}}) { 3097 unless (exists $self->{channel}{$channel->{id}}) {
2545 $self->{channel}{$channel->{id}} = $channel; 3098 $self->{channel}{$channel->{id}} = $channel;
2546 $self->ext_msg (channel_info => $channel); 3099 $self->ext_msg (channel_info => $channel);
2547 } 3100 }
2549 $channel = $channel->{id}; 3102 $channel = $channel->{id};
2550 } 3103 }
2551 3104
2552 return unless @extra || length $msg; 3105 return unless @extra || length $msg;
2553 3106
2554 if ($self->can_msg) {
2555 # default colour, mask it out 3107 # default colour, mask it out
2556 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3108 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557 if $color & cf::NDI_DEF; 3109 if $color & cf::NDI_DEF;
2558 3110
2559 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3111 my $pkt = "msg "
3112 . $self->{json_coder}->encode (
2560 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3113 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561 } else { 3114 );
2562 if ($color >= 0) {
2563 # replace some tags by gcfclient-compatible ones
2564 for ($msg) {
2565 1 while
2566 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571 }
2572 3115
2573 $color &= cf::NDI_COLOR_MASK; 3116 $self->send_big_packet ($pkt);
2574
2575 utf8::encode $msg;
2576
2577 if (0 && $msg =~ /\[/) {
2578 $self->send_packet ("drawextinfo $color 4 0 $msg")
2579 } else {
2580 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581 $self->send_packet ("drawinfo $color $msg")
2582 }
2583 }
2584 }
2585} 3117}
2586 3118
2587=item $client->ext_msg ($type, @msg) 3119=item $client->ext_msg ($type, @msg)
2588 3120
2589Sends an ext event to the client. 3121Sends an ext event to the client.
2591=cut 3123=cut
2592 3124
2593sub cf::client::ext_msg($$@) { 3125sub cf::client::ext_msg($$@) {
2594 my ($self, $type, @msg) = @_; 3126 my ($self, $type, @msg) = @_;
2595 3127
2596 my $extcmd = $self->extcmd;
2597
2598 if ($extcmd == 2) { 3128 if ($self->extcmd == 2) {
2599 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600 } elsif ($extcmd == 1) { # TODO: remove 3130 } elsif ($self->extcmd == 1) { # TODO: remove
2601 push @msg, msgtype => "event_$type"; 3131 push @msg, msgtype => "event_$type";
2602 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3133 }
3134}
3135
3136=item $client->ext_reply ($msgid, @msg)
3137
3138Sends an ext reply to the client.
3139
3140=cut
3141
3142sub cf::client::ext_reply($$@) {
3143 my ($self, $id, @msg) = @_;
3144
3145 if ($self->extcmd == 2) {
3146 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3147 } elsif ($self->extcmd == 1) {
3148 #TODO: version 1, remove
3149 unshift @msg, msgtype => "reply", msgid => $id;
3150 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603 } 3151 }
2604} 3152}
2605 3153
2606=item $success = $client->query ($flags, "text", \&cb) 3154=item $success = $client->query ($flags, "text", \&cb)
2607 3155
2668 my ($type, $reply, @payload) = 3216 my ($type, $reply, @payload) =
2669 "ARRAY" eq ref $msg 3217 "ARRAY" eq ref $msg
2670 ? @$msg 3218 ? @$msg
2671 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3219 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672 3220
3221 my @reply;
3222
2673 if (my $cb = $EXTICMD{$type}) { 3223 if (my $cb = $EXTICMD{$type}) {
2674 my @reply = $cb->($ns, @payload); 3224 @reply = $cb->($ns, @payload);
2675
2676 $ns->ext_reply ($reply, @reply)
2677 if $reply;
2678 } 3225 }
3226
3227 $ns->ext_reply ($reply, @reply)
3228 if $reply;
3229
2679 } else { 3230 } else {
2680 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3231 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681 } 3232 }
2682 3233
2683 cf::override; 3234 cf::override;
2684 }, 3235 },
2685); 3236);
2705 3256
2706 $coro 3257 $coro
2707} 3258}
2708 3259
2709cf::client->attach ( 3260cf::client->attach (
2710 on_destroy => sub { 3261 on_client_destroy => sub {
2711 my ($ns) = @_; 3262 my ($ns) = @_;
2712 3263
2713 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3264 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2714 }, 3265 },
2715); 3266);
2731our $safe_hole = new Safe::Hole; 3282our $safe_hole = new Safe::Hole;
2732 3283
2733$SIG{FPE} = 'IGNORE'; 3284$SIG{FPE} = 'IGNORE';
2734 3285
2735$safe->permit_only (Opcode::opset qw( 3286$safe->permit_only (Opcode::opset qw(
2736 :base_core :base_mem :base_orig :base_math 3287 :base_core :base_mem :base_orig :base_math :base_loop
2737 grepstart grepwhile mapstart mapwhile 3288 grepstart grepwhile mapstart mapwhile
2738 sort time 3289 sort time
2739)); 3290));
2740 3291
2741# here we export the classes and methods available to script code 3292# here we export the classes and methods available to script code
2743=pod 3294=pod
2744 3295
2745The following functions and methods are available within a safe environment: 3296The following functions and methods are available within a safe environment:
2746 3297
2747 cf::object 3298 cf::object
2748 contr pay_amount pay_player map x y force_find force_add 3299 contr pay_amount pay_player map x y force_find force_add destroy
2749 insert remove 3300 insert remove name archname title slaying race decrease split
3301 value
2750 3302
2751 cf::object::player 3303 cf::object::player
2752 player 3304 player
2753 3305
2754 cf::player 3306 cf::player
2759 3311
2760=cut 3312=cut
2761 3313
2762for ( 3314for (
2763 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3315 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764 insert remove inv)], 3316 insert remove inv nrof name archname title slaying race
3317 decrease split destroy change_exp value msg lore send_msg)],
2765 ["cf::object::player" => qw(player)], 3318 ["cf::object::player" => qw(player)],
2766 ["cf::player" => qw(peaceful)], 3319 ["cf::player" => qw(peaceful send_msg)],
2767 ["cf::map" => qw(trigger)], 3320 ["cf::map" => qw(trigger)],
2768) { 3321) {
2769 no strict 'refs';
2770 my ($pkg, @funs) = @$_; 3322 my ($pkg, @funs) = @$_;
2771 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3323 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2772 for @funs; 3324 for @funs;
2773} 3325}
2774 3326
2789 3341
2790 my $qcode = $code; 3342 my $qcode = $code;
2791 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3343 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2792 $qcode =~ s/\n/\\n/g; 3344 $qcode =~ s/\n/\\n/g;
2793 3345
3346 %vars = (_dummy => 0) unless %vars;
3347
3348 my @res;
2794 local $_; 3349 local $_;
2795 local @safe::cf::_safe_eval_args = values %vars;
2796 3350
2797 my $eval = 3351 my $eval =
2798 "do {\n" 3352 "do {\n"
2799 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3353 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2800 . "#line 0 \"{$qcode}\"\n" 3354 . "#line 0 \"{$qcode}\"\n"
2801 . $code 3355 . $code
2802 . "\n}" 3356 . "\n}"
2803 ; 3357 ;
2804 3358
3359 if ($CFG{safe_eval}) {
2805 sub_generation_inc; 3360 sub_generation_inc;
3361 local @safe::cf::_safe_eval_args = values %vars;
2806 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3362 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2807 sub_generation_inc; 3363 sub_generation_inc;
3364 } else {
3365 local @cf::_safe_eval_args = values %vars;
3366 @res = wantarray ? eval eval : scalar eval $eval;
3367 }
2808 3368
2809 if ($@) { 3369 if ($@) {
2810 warn "$@"; 3370 warn "$@",
2811 warn "while executing safe code '$code'\n"; 3371 "while executing safe code '$code'\n",
2812 warn "with arguments " . (join " ", %vars) . "\n"; 3372 "with arguments " . (join " ", %vars) . "\n";
2813 } 3373 }
2814 3374
2815 wantarray ? @res : $res[0] 3375 wantarray ? @res : $res[0]
2816} 3376}
2817 3377
2831=cut 3391=cut
2832 3392
2833sub register_script_function { 3393sub register_script_function {
2834 my ($fun, $cb) = @_; 3394 my ($fun, $cb) = @_;
2835 3395
2836 no strict 'refs'; 3396 $fun = "safe::$fun" if $CFG{safe_eval};
2837 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3397 *$fun = $safe_hole->wrap ($cb);
2838} 3398}
2839 3399
2840=back 3400=back
2841 3401
2842=cut 3402=cut
2845# the server's init and main functions 3405# the server's init and main functions
2846 3406
2847sub load_facedata($) { 3407sub load_facedata($) {
2848 my ($path) = @_; 3408 my ($path) = @_;
2849 3409
3410 # HACK to clear player env face cache, we need some signal framework
3411 # for this (global event?)
3412 %ext::player_env::MUSIC_FACE_CACHE = ();
3413
3414 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3415
2850 warn "loading facedata from $path\n"; 3416 trace "loading facedata from $path\n";
2851 3417
2852 my $facedata;
2853 0 < aio_load $path, $facedata 3418 0 < aio_load $path, my $facedata
2854 or die "$path: $!"; 3419 or die "$path: $!";
2855 3420
2856 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2857 3422
2858 $facedata->{version} == 2 3423 $facedata->{version} == 2
2859 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2860 3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
3432 };
3433 cf::cede_to_tick;
3434
2861 { 3435 {
2862 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2863 3437
2864 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2865 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2866 cf::face::set_visibility $idx, $info->{visibility}; 3441 cf::face::set_visibility $idx, $info->{visibility};
2867 cf::face::set_magicmap $idx, $info->{magicmap}; 3442 cf::face::set_magicmap $idx, $info->{magicmap};
2868 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2870 3445
2871 cf::cede_to_tick; 3446 cf::cede_to_tick;
2872 } 3447 }
2873 3448
2874 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2875 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2876 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2877 or next; 3453 or next;
3454
2878 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
2879 cf::face::set_smooth $idx, $smooth; 3456 cf::face::set_smooth $idx, $smooth;
2880 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881 } else { 3458 } else {
2882 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2883 } 3460 }
2884 3461
2885 cf::cede_to_tick; 3462 cf::cede_to_tick;
2886 } 3463 }
2887 } 3464 }
2896 3473
2897 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2898 } 3475 }
2899 3476
2900 { 3477 {
2901 # TODO: for gcfclient pleasure, we should give resources
2902 # that gcfclient doesn't grok a >10000 face index.
2903 my $res = $facedata->{resource}; 3478 my $res = $facedata->{resource};
2904 my $enc = JSON::XS->new->utf8->canonical;
2905
2906 my $soundconf = delete $res->{"res/sound.conf"};
2907 3479
2908 while (my ($name, $info) = each %$res) { 3480 while (my ($name, $info) = each %$res) {
2909 my $meta = $enc->encode ({ 3481 if (defined $info->{type}) {
2910 name => $name,
2911 %{ $info->{meta} || {} },
2912 });
2913
2914 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2915 3483
2916 if ($info->{type} & 1) {
2917 # prepend meta info
2918
2919 my $data = pack "(w/a*)*", $meta, $info->{data};
2920 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2921
2922 cf::face::set_data $idx, 0, $data, $chk; 3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
2923 } else { 3486 } else {
2924 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3487 $RESOURCE{$name} = $info; # unused
2925 } 3488 }
2926 3489
2927 cf::face::set_type $idx, $info->{type};
2928
2929 cf::cede_to_tick; 3490 cf::cede_to_tick;
2930 } 3491 }
2931
2932 if ($soundconf) {
2933 $soundconf = $enc->decode (delete $soundconf->{data});
2934
2935 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936 my $sound = $soundconf->{compat}[$_]
2937 or next;
2938
2939 my $face = cf::face::find "sound/$sound->[1]";
2940 cf::sound::set $sound->[0] => $face;
2941 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942 }
2943
2944 while (my ($k, $v) = each %{$soundconf->{event}}) {
2945 my $face = cf::face::find "sound/$v";
2946 cf::sound::set $k => $face;
2947 }
2948 }
2949 } 3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950 3495
2951 1 3496 1
2952} 3497}
2953 3498
2954register_exticmd fx_want => sub { 3499register_exticmd fx_want => sub {
2957 while (my ($k, $v) = each %$want) { 3502 while (my ($k, $v) = each %$want) {
2958 $ns->fx_want ($k, $v); 3503 $ns->fx_want ($k, $v);
2959 } 3504 }
2960}; 3505};
2961 3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
2962sub reload_regions { 3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
2963 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2964 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
2965 3524
2966 for (cf::region::list) { 3525 for (cf::region::list) {
2967 $_->{match} = qr/$_->{match}/ 3526 $_->{match} = qr/$_->{match}/
2975} 3534}
2976 3535
2977sub reload_archetypes { 3536sub reload_archetypes {
2978 load_resource_file "$DATADIR/archetypes" 3537 load_resource_file "$DATADIR/archetypes"
2979 or die "unable to load archetypes\n"; 3538 or die "unable to load archetypes\n";
2980 #d# NEED to laod twice to resolve forward references
2981 # this really needs to be done in an extra post-pass
2982 # (which needs to be synchronous, so solve it differently)
2983 load_resource_file "$DATADIR/archetypes"
2984 or die "unable to load archetypes\n";
2985} 3539}
2986 3540
2987sub reload_treasures { 3541sub reload_treasures {
2988 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2989 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2990} 3544}
2991 3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
2992sub reload_resources { 3569sub reload_resources {
2993 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2994 3571
3572 reload_exp_table;
3573 reload_materials;
3574 reload_facedata;
3575 reload_sound;
3576 reload_archetypes;
2995 reload_regions; 3577 reload_regions;
2996 reload_facedata;
2997 #reload_archetypes;#d#
2998 reload_archetypes;
2999 reload_treasures; 3578 reload_treasures;
3000 3579
3001 warn "finished reloading resource files\n"; 3580 trace "finished reloading resource files\n";
3002} 3581}
3003 3582
3004sub init { 3583sub reload_config {
3005 reload_resources; 3584 trace "reloading config file...\n";
3006}
3007 3585
3008sub cfg_load { 3586 0 < aio_load "$CONFDIR/config", my $config
3009 open my $fh, "<:utf8", "$CONFDIR/config" 3587 or die "$CONFDIR/config: $!";
3010 or return;
3011 3588
3012 local $/; 3589 utf8::decode $config;
3013 *CFG = YAML::Syck::Load <$fh>; 3590 *CFG = yaml_load $config;
3014 3591
3015 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3592 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3016 3593
3017 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3594 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3595 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3019 3596
3020 if (exists $CFG{mlockall}) { 3597 if (exists $CFG{mlockall}) {
3024 }; 3601 };
3025 warn $@ if $@; 3602 warn $@ if $@;
3026 } 3603 }
3027} 3604}
3028 3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
3632}
3633
3029sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
3030 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
3031 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
3032 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033 (async { 3647 (async {
3034 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
3035 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
3036 }; 3651 };
3037 3652
3038 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
3654
3655 cf::sync_job {
3656 cf::incloader::init ();
3657
3658 cf::init_anim;
3659 cf::init_attackmess;
3660 cf::init_dynamic;
3661
3662 cf::load_settings;
3663
3664 reload_resources;
3665 reload_config;
3039 db_init; 3666 db_init;
3667
3668 cf::init_uuid;
3669 cf::init_signals;
3670 cf::init_skills;
3671
3672 cf::init_beforeplay;
3673
3674 atomic;
3675
3040 load_extensions; 3676 load_extensions;
3041 3677
3042 $TICK_WATCHER->start; 3678 utime time, time, $RUNTIMEFILE;
3043 Event::loop; 3679
3680 # no (long-running) fork's whatsoever before this point(!)
3681 use POSIX ();
3682 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3683
3684 cf::_post_init 0;
3685 };
3686
3687 cf::object::thawer::errors_are_fatal 0;
3688 info "parse errors in files are no longer fatal from this point on.\n";
3689
3690 my $free_main; $free_main = EV::idle sub {
3691 undef $free_main;
3692 undef &main; # free gobs of memory :)
3693 };
3694
3695 goto &main_loop;
3044} 3696}
3045 3697
3046############################################################################# 3698#############################################################################
3047# initialisation and cleanup 3699# initialisation and cleanup
3048 3700
3049# install some emergency cleanup handlers 3701# install some emergency cleanup handlers
3050BEGIN { 3702BEGIN {
3703 our %SIGWATCHER = ();
3051 for my $signal (qw(INT HUP TERM)) { 3704 for my $signal (qw(INT HUP TERM)) {
3052 Event->signal ( 3705 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3053 reentrant => 0,
3054 data => WF_AUTOCANCEL,
3055 signal => $signal,
3056 prio => 0,
3057 cb => sub {
3058 cf::cleanup "SIG$signal"; 3706 cf::cleanup "SIG$signal";
3059 },
3060 ); 3707 };
3061 } 3708 }
3062} 3709}
3063 3710
3064sub write_runtime { 3711sub write_runtime_sync {
3065 my $runtime = "$LOCALDIR/runtime"; 3712 my $t0 = AE::time;
3066 3713
3067 # first touch the runtime file to show we are still running: 3714 # first touch the runtime file to show we are still running:
3068 # the fsync below can take a very very long time. 3715 # the fsync below can take a very very long time.
3069 3716
3070 IO::AIO::aio_utime $runtime, undef, undef; 3717 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071 3718
3072 my $guard = cf::lock_acquire "write_runtime"; 3719 my $guard = cf::lock_acquire "write_runtime";
3073 3720
3074 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3721 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3075 or return; 3722 or return;
3076 3723
3077 my $value = $cf::RUNTIME + 90 + 10; 3724 my $value = $cf::RUNTIME + 90 + 10;
3078 # 10 is the runtime save interval, for a monotonic clock 3725 # 10 is the runtime save interval, for a monotonic clock
3079 # 60 allows for the watchdog to kill the server. 3726 # 60 allows for the watchdog to kill the server.
3089 aio_utime $fh, undef, undef; 3736 aio_utime $fh, undef, undef;
3090 3737
3091 close $fh 3738 close $fh
3092 or return; 3739 or return;
3093 3740
3094 aio_rename "$runtime~", $runtime 3741 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095 and return; 3742 and return;
3096 3743
3097 warn "runtime file written.\n"; 3744 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3098 3745
3099 1 3746 1
3747}
3748
3749our $uuid_lock;
3750our $uuid_skip;
3751
3752sub write_uuid_sync($) {
3753 $uuid_skip ||= $_[0];
3754
3755 return if $uuid_lock;
3756 local $uuid_lock = 1;
3757
3758 my $uuid = "$LOCALDIR/uuid";
3759
3760 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3761 or return;
3762
3763 my $value = uuid_seq uuid_cur;
3764
3765 unless ($value) {
3766 info "cowardly refusing to write zero uuid value!\n";
3767 return;
3768 }
3769
3770 my $value = uuid_str $value + $uuid_skip;
3771 $uuid_skip = 0;
3772
3773 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3774 and return;
3775
3776 # always fsync - this file is important
3777 aio_fsync $fh
3778 and return;
3779
3780 close $fh
3781 or return;
3782
3783 aio_rename "$uuid~", $uuid
3784 and return;
3785
3786 trace "uuid file written ($value).\n";
3787
3788 1
3789
3790}
3791
3792sub write_uuid($$) {
3793 my ($skip, $sync) = @_;
3794
3795 $sync ? write_uuid_sync $skip
3796 : async { write_uuid_sync $skip };
3100} 3797}
3101 3798
3102sub emergency_save() { 3799sub emergency_save() {
3103 my $freeze_guard = cf::freeze_mainloop; 3800 my $freeze_guard = cf::freeze_mainloop;
3104 3801
3105 warn "enter emergency perl save\n"; 3802 info "emergency_perl_save: enter\n";
3803
3804 # this is a trade-off: we want to be very quick here, so
3805 # save all maps without fsync, and later call a global sync
3806 # (which in turn might be very very slow)
3807 local $USE_FSYNC = 0;
3106 3808
3107 cf::sync_job { 3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
3811
3108 # use a peculiar iteration method to avoid tripping on perl 3812 # use a peculiar iteration method to avoid tripping on perl
3109 # refcount bugs in for. also avoids problems with players 3813 # refcount bugs in for. also avoids problems with players
3110 # and maps saved/destroyed asynchronously. 3814 # and maps saved/destroyed asynchronously.
3111 warn "begin emergency player save\n"; 3815 info "emergency_perl_save: begin player save\n";
3112 for my $login (keys %cf::PLAYER) { 3816 for my $login (keys %cf::PLAYER) {
3113 my $pl = $cf::PLAYER{$login} or next; 3817 my $pl = $cf::PLAYER{$login} or next;
3114 $pl->valid or next; 3818 $pl->valid or next;
3819 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115 $pl->save; 3820 $pl->save;
3116 } 3821 }
3117 warn "end emergency player save\n"; 3822 info "emergency_perl_save: end player save\n";
3118 3823
3119 warn "begin emergency map save\n"; 3824 cf::write_runtime_sync; # external watchdog should not bark
3825
3826 info "emergency_perl_save: begin map save\n";
3120 for my $path (keys %cf::MAP) { 3827 for my $path (keys %cf::MAP) {
3121 my $map = $cf::MAP{$path} or next; 3828 my $map = $cf::MAP{$path} or next;
3122 $map->valid or next; 3829 $map->valid or next;
3123 $map->save; 3830 $map->save;
3124 } 3831 }
3125 warn "end emergency map save\n"; 3832 info "emergency_perl_save: end map save\n";
3126 3833
3127 warn "begin emergency database checkpoint\n"; 3834 cf::write_runtime_sync; # external watchdog should not bark
3835
3836 info "emergency_perl_save: begin database checkpoint\n";
3128 BDB::db_env_txn_checkpoint $DB_ENV; 3837 BDB::db_env_txn_checkpoint $DB_ENV;
3129 warn "end emergency database checkpoint\n"; 3838 info "emergency_perl_save: end database checkpoint\n";
3839
3840 info "emergency_perl_save: begin write uuid\n";
3841 write_uuid_sync 1;
3842 info "emergency_perl_save: end write uuid\n";
3843
3844 cf::write_runtime_sync; # external watchdog should not bark
3845
3846 trace "emergency_perl_save: syncing database to disk";
3847 BDB::db_env_txn_checkpoint $DB_ENV;
3848
3849 info "emergency_perl_save: starting sync\n";
3850 IO::AIO::aio_sync sub {
3851 info "emergency_perl_save: finished sync\n";
3852 };
3853
3854 cf::write_runtime_sync; # external watchdog should not bark
3855
3856 trace "emergency_perl_save: flushing outstanding aio requests";
3857 while (IO::AIO::nreqs || BDB::nreqs) {
3858 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3859 }
3860
3861 cf::write_runtime_sync; # external watchdog should not bark
3130 }; 3862 };
3131 3863
3132 warn "leave emergency perl save\n"; 3864 info "emergency_perl_save: leave\n";
3133} 3865}
3134 3866
3135sub post_cleanup { 3867sub post_cleanup {
3136 my ($make_core) = @_; 3868 my ($make_core) = @_;
3137 3869
3870 IO::AIO::flush;
3871
3138 warn Carp::longmess "post_cleanup backtrace" 3872 error Carp::longmess "post_cleanup backtrace"
3139 if $make_core; 3873 if $make_core;
3874
3875 my $fh = pidfile;
3876 unlink $PIDFILE if <$fh> == $$;
3877}
3878
3879# a safer delete_package, copied from Symbol
3880sub clear_package($) {
3881 my $pkg = shift;
3882
3883 # expand to full symbol table name if needed
3884 unless ($pkg =~ /^main::.*::$/) {
3885 $pkg = "main$pkg" if $pkg =~ /^::/;
3886 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3887 $pkg .= '::' unless $pkg =~ /::$/;
3888 }
3889
3890 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3891 my $stem_symtab = *{$stem}{HASH};
3892
3893 defined $stem_symtab and exists $stem_symtab->{$leaf}
3894 or return;
3895
3896 # clear all symbols
3897 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3898 for my $name (keys %$leaf_symtab) {
3899 _gv_clear *{"$pkg$name"};
3900# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3901 }
3140} 3902}
3141 3903
3142sub do_reload_perl() { 3904sub do_reload_perl() {
3143 # can/must only be called in main 3905 # can/must only be called in main
3144 if ($Coro::current != $Coro::main) { 3906 unless (in_main) {
3145 warn "can only reload from main coroutine"; 3907 error "can only reload from main coroutine";
3146 return; 3908 return;
3147 } 3909 }
3148 3910
3149 warn "reloading..."; 3911 return if $RELOAD++;
3150 3912
3151 warn "entering sync_job"; 3913 my $t1 = AE::time;
3152 3914
3915 while ($RELOAD) {
3916 cf::get_slot 0.1, -1, "reload_perl";
3917 info "perl_reload: reloading...";
3918
3919 trace "perl_reload: entering sync_job";
3920
3153 cf::sync_job { 3921 cf::sync_job {
3154 cf::write_runtime; # external watchdog should not bark
3155 cf::emergency_save; 3922 #cf::emergency_save;
3156 cf::write_runtime; # external watchdog should not bark
3157 3923
3158 warn "syncing database to disk";
3159 BDB::db_env_txn_checkpoint $DB_ENV;
3160
3161 # if anything goes wrong in here, we should simply crash as we already saved
3162
3163 warn "cancelling all WF_AUTOCANCEL watchers";
3164 for (Event::all_watchers) {
3165 $_->cancel if $_->data & WF_AUTOCANCEL;
3166 }
3167
3168 warn "flushing outstanding aio requests";
3169 for (;;) {
3170 BDB::flush;
3171 IO::AIO::flush;
3172 Coro::cede;
3173 last unless IO::AIO::nreqs || BDB::nreqs;
3174 warn "iterate...";
3175 }
3176
3177 ++$RELOAD;
3178
3179 warn "cancelling all extension coros"; 3924 trace "perl_reload: cancelling all extension coros";
3180 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
3181 %EXT_CORO = (); 3926 %EXT_CORO = ();
3182 3927
3183 warn "removing commands"; 3928 trace "perl_reload: removing commands";
3184 %COMMAND = (); 3929 %COMMAND = ();
3185 3930
3186 warn "removing ext/exti commands"; 3931 trace "perl_reload: removing ext/exti commands";
3187 %EXTCMD = (); 3932 %EXTCMD = ();
3188 %EXTICMD = (); 3933 %EXTICMD = ();
3189 3934
3190 warn "unloading/nuking all extensions"; 3935 trace "perl_reload: unloading/nuking all extensions";
3191 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
3192 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
3193 3938
3194 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
3195 eval { 3940 eval {
3196 $cb->($pkg); 3941 $cb->($pkg);
3197 1 3942 1
3198 } or warn "$pkg unloaded, but with errors: $@"; 3943 } or error "$pkg unloaded, but with errors: $@";
3944 }
3945
3946 trace "... clearing $pkg";
3947 clear_package $pkg;
3199 } 3948 }
3200 3949
3201 warn "... nuking $pkg";
3202 Symbol::delete_package $pkg;
3203 }
3204
3205 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3206 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
3207 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208 3953
3209 warn "... unloading $k"; 3954 trace "... unloading $k";
3210 delete $INC{$k}; 3955 delete $INC{$k};
3211 3956
3212 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
3213 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
3214 3959
3215 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
3216 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
3217 } 3965 }
3218 3966
3219 Symbol::delete_package $k;
3220 }
3221
3222 warn "getting rid of safe::, as good as possible"; 3967 trace "perl_reload: getting rid of safe::, as good as possible";
3223 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
3224 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3969 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225 3970
3226 warn "unloading cf.pm \"a bit\""; 3971 trace "perl_reload: unloading cf.pm \"a bit\"";
3227 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
3228 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3229 3974
3230 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
3231 # and global variables created in xs 3976 # and global variables created in xs
3232 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
3233 3978
3234 warn "unload completed, starting to reload now"; 3979 info "perl_reload: unload completed, starting to reload now";
3235 3980
3236 warn "reloading cf.pm"; 3981 trace "perl_reload: reloading cf.pm";
3237 require cf; 3982 require cf;
3238 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
3239 3984
3240 warn "loading config and database again"; 3985 trace "perl_reload: loading config and database again";
3241 cf::cfg_load; 3986 cf::reload_config;
3242 3987
3243 warn "loading extensions"; 3988 trace "perl_reload: loading extensions";
3244 cf::load_extensions; 3989 cf::load_extensions;
3245 3990
3991 if ($REATTACH_ON_RELOAD) {
3246 warn "reattaching attachments to objects/players"; 3992 trace "perl_reload: reattaching attachments to objects/players";
3247 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
3248 warn "reattaching attachments to maps"; 3994 trace "perl_reload: reattaching attachments to maps";
3249 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
3250 warn "reattaching attachments to players"; 3996 trace "perl_reload: reattaching attachments to players";
3251 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
3252 3999
3253 warn "leaving sync_job"; 4000 cf::_post_init 1;
3254 4001
4002 trace "perl_reload: leaving sync_job";
4003
3255 1 4004 1
3256 } or do { 4005 } or do {
3257 warn $@; 4006 error $@;
3258 warn "error while reloading, exiting."; 4007 cf::cleanup "perl_reload: error, exiting.";
3259 exit 1; 4008 };
4009
4010 --$RELOAD;
3260 }; 4011 }
3261 4012
3262 warn "reloaded"; 4013 $t1 = AE::time - $t1;
4014 info "perl_reload: completed in ${t1}s\n";
3263}; 4015};
3264 4016
3265our $RELOAD_WATCHER; # used only during reload 4017our $RELOAD_WATCHER; # used only during reload
3266 4018
3267sub reload_perl() { 4019sub reload_perl() {
3268 # doing reload synchronously and two reloads happen back-to-back, 4020 # doing reload synchronously and two reloads happen back-to-back,
3269 # coro crashes during coro_state_free->destroy here. 4021 # coro crashes during coro_state_free->destroy here.
3270 4022
3271 $RELOAD_WATCHER ||= Event->timer ( 4023 $RELOAD_WATCHER ||= cf::async {
3272 reentrant => 0, 4024 Coro::AIO::aio_wait cache_extensions;
3273 after => 0, 4025
3274 data => WF_AUTOCANCEL, 4026 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3275 cb => sub {
3276 do_reload_perl; 4027 do_reload_perl;
3277 undef $RELOAD_WATCHER; 4028 undef $RELOAD_WATCHER;
3278 }, 4029 };
3279 ); 4030 };
3280} 4031}
3281 4032
3282register_command "reload" => sub { 4033register_command "reload" => sub {
3283 my ($who, $arg) = @_; 4034 my ($who, $arg) = @_;
3284 4035
3285 if ($who->flag (FLAG_WIZ)) { 4036 if ($who->flag (FLAG_WIZ)) {
3286 $who->message ("reloading server."); 4037 $who->message ("reloading server.");
4038 async {
4039 $Coro::current->{desc} = "perl_reload";
3287 async { reload_perl }; 4040 reload_perl;
4041 };
3288 } 4042 }
3289}; 4043};
3290 4044
3291unshift @INC, $LIBDIR; 4045#############################################################################
3292 4046
3293my $bug_warning = 0; 4047my $bug_warning = 0;
3294 4048
3295our @WAIT_FOR_TICK; 4049our @WAIT_FOR_TICK;
3296our @WAIT_FOR_TICK_BEGIN; 4050our @WAIT_FOR_TICK_BEGIN;
3297 4051
3298sub wait_for_tick { 4052sub wait_for_tick() {
3299 return unless $TICK_WATCHER->is_active;
3300 return if $Coro::current == $Coro::main; 4053 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3301 4054
3302 my $signal = new Coro::Signal; 4055 my $signal = new Coro::Signal;
3303 push @WAIT_FOR_TICK, $signal; 4056 push @WAIT_FOR_TICK, $signal;
3304 $signal->wait; 4057 $signal->wait;
3305} 4058}
3306 4059
3307sub wait_for_tick_begin { 4060sub wait_for_tick_begin() {
3308 return unless $TICK_WATCHER->is_active;
3309 return if $Coro::current == $Coro::main; 4061 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3310 4062
3311 my $signal = new Coro::Signal; 4063 my $signal = new Coro::Signal;
3312 push @WAIT_FOR_TICK_BEGIN, $signal; 4064 push @WAIT_FOR_TICK_BEGIN, $signal;
3313 $signal->wait; 4065 $signal->wait;
3314} 4066}
3315 4067
3316 my $min = 1e6;#d# 4068sub tick {
3317 my $avg = 10;
3318$TICK_WATCHER = Event->timer (
3319 reentrant => 0,
3320 parked => 1,
3321 prio => 0,
3322 at => $NEXT_TICK || $TICK,
3323 data => WF_AUTOCANCEL,
3324 cb => sub {
3325 if ($Coro::current != $Coro::main) { 4069 if ($Coro::current != $Coro::main) {
3326 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4070 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327 unless ++$bug_warning > 10; 4071 unless ++$bug_warning > 10;
3328 return; 4072 return;
3329 } 4073 }
3330 4074
3331 $NOW = $tick_start = Event::time;
3332
3333 cf::server_tick; # one server iteration 4075 cf::server_tick; # one server iteration
3334 4076
3335 0 && sync_job {#d# 4077 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3336 for(1..10) {
3337 my $t = Event::time;
3338 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3339 or die;
3340 4078
3341 $map->width (50); 4079 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342 $map->height (50); 4080 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3343 $map->alloc; 4081 Coro::async_pool {
3344 $map->_load_objects ("/tmp/x.map", 1); 4082 $Coro::current->{desc} = "runtime saver";
3345 my $t = Event::time - $t; 4083 write_runtime_sync
3346 4084 or error "ERROR: unable to write runtime file: $!";
3347 #next unless $t < 0.0013;#d#
3348 if ($t < $min) {
3349 $min = $t;
3350 }
3351 $avg = $avg * 0.99 + $t * 0.01;
3352 }
3353 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354 exit 0;
3355 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356 }; 4085 };
4086 }
3357 4087
3358 $RUNTIME += $TICK;
3359 $NEXT_TICK += $TICK;
3360
3361 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362 $NEXT_RUNTIME_WRITE = $NOW + 10;
3363 Coro::async_pool {
3364 write_runtime
3365 or warn "ERROR: unable to write runtime file: $!";
3366 };
3367 }
3368
3369# my $AFTER = Event::time;
3370# warn $AFTER - $NOW;#d#
3371
3372 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4088 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373 $sig->send; 4089 $sig->send;
3374 } 4090 }
3375 while (my $sig = shift @WAIT_FOR_TICK) { 4091 while (my $sig = shift @WAIT_FOR_TICK) {
3376 $sig->send; 4092 $sig->send;
3377 } 4093 }
3378 4094
3379 $NOW = Event::time; 4095 $LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381 # if we are delayed by four ticks or more, skip them all
3382 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384 $TICK_WATCHER->at ($NEXT_TICK);
3385 $TICK_WATCHER->start;
3386
3387 $LOAD = ($NOW - $tick_start) / $TICK;
3388 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4096 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389 4097
3390 _post_tick; 4098 if (0) {
3391 4099 if ($NEXT_TICK) {
3392 4100 my $jitter = $TICK_START - $NEXT_TICK;
4101 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4102 debug "jitter $JITTER\n";#d#
4103 }
3393 }, 4104 }
3394); 4105}
3395 4106
3396{ 4107{
3397 BDB::max_poll_time $TICK * 0.1; 4108 # configure BDB
3398 $BDB_POLL_WATCHER = Event->io ( 4109
3399 reentrant => 0,
3400 fd => BDB::poll_fileno,
3401 poll => 'r',
3402 prio => 0,
3403 data => WF_AUTOCANCEL,
3404 cb => \&BDB::poll_cb,
3405 );
3406 BDB::min_parallel 8; 4110 BDB::min_parallel 16;
3407 4111 BDB::max_poll_reqs $TICK * 0.1;
3408 BDB::set_sync_prepare { 4112 $AnyEvent::BDB::WATCHER->priority (1);
3409 my $status;
3410 my $current = $Coro::current;
3411 (
3412 sub {
3413 $status = $!;
3414 $current->ready; undef $current;
3415 },
3416 sub {
3417 Coro::schedule while defined $current;
3418 $! = $status;
3419 },
3420 )
3421 };
3422 4113
3423 unless ($DB_ENV) { 4114 unless ($DB_ENV) {
3424 $DB_ENV = BDB::db_env_create; 4115 $DB_ENV = BDB::db_env_create;
4116 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4117 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4118 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4119 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4120 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425 4121
3426 cf::sync_job { 4122 cf::sync_job {
3427 eval { 4123 eval {
3428 BDB::db_env_open 4124 BDB::db_env_open
3429 $DB_ENV, 4125 $DB_ENV,
3431 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4127 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4128 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433 0666; 4129 0666;
3434 4130
3435 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4131 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438 $DB_ENV->set_lk_detect;
3439 }; 4132 };
3440 4133
3441 cf::cleanup "db_env_open(db): $@" if $@; 4134 cf::cleanup "db_env_open(db): $@" if $@;
3442 }; 4135 };
3443 } 4136 }
4137
4138 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4139 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4140 };
4141 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4142 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4143 };
4144 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4145 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4146 };
3444} 4147}
3445 4148
3446{ 4149{
4150 # configure IO::AIO
4151
3447 IO::AIO::min_parallel 8; 4152 IO::AIO::min_parallel 8;
3448
3449 undef $Coro::AIO::WATCHER;
3450 IO::AIO::max_poll_time $TICK * 0.1; 4153 IO::AIO::max_poll_time $TICK * 0.1;
3451 $AIO_POLL_WATCHER = Event->io ( 4154 undef $AnyEvent::AIO::WATCHER;
3452 reentrant => 0,
3453 data => WF_AUTOCANCEL,
3454 fd => IO::AIO::poll_fileno,
3455 poll => 'r',
3456 prio => 6,
3457 cb => \&IO::AIO::poll_cb,
3458 );
3459} 4155}
3460 4156
3461my $_log_backtrace; 4157our $_log_backtrace;
4158our $_log_backtrace_last;
3462 4159
3463sub _log_backtrace { 4160sub _log_backtrace {
3464 my ($msg, @addr) = @_; 4161 my ($msg, @addr) = @_;
3465 4162
3466 $msg =~ s/\n//; 4163 $msg =~ s/\n$//;
3467 4164
4165 if ($_log_backtrace_last eq $msg) {
4166 LOG llevInfo, "[ABT] $msg\n";
4167 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3468 # limit the # of concurrent backtraces 4168 # limit the # of concurrent backtraces
3469 if ($_log_backtrace < 2) { 4169 } elsif ($_log_backtrace < 2) {
4170 $_log_backtrace_last = $msg;
3470 ++$_log_backtrace; 4171 ++$_log_backtrace;
4172 my $perl_bt = Carp::longmess $msg;
3471 async { 4173 async {
4174 $Coro::current->{desc} = "abt $msg";
4175
3472 my @bt = fork_call { 4176 my @bt = fork_call {
3473 @addr = map { sprintf "%x", $_ } @addr; 4177 @addr = map { sprintf "%x", $_ } @addr;
3474 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4178 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4179 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476 or die "addr2line: $!"; 4180 or die "addr2line: $!";
3484 } 4188 }
3485 4189
3486 @funcs 4190 @funcs
3487 }; 4191 };
3488 4192
3489 LOG llevInfo, "[ABT] $msg\n"; 4193 LOG llevInfo, "[ABT] $perl_bt\n";
4194 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490 LOG llevInfo, "[ABT] $_\n" for @bt; 4195 LOG llevInfo, "[ABT] $_\n" for @bt;
3491 --$_log_backtrace; 4196 --$_log_backtrace;
3492 }; 4197 };
3493 } else { 4198 } else {
3494 LOG llevInfo, "[ABT] $msg\n"; 4199 LOG llevInfo, "[ABT] $msg\n";
3495 LOG llevInfo, "[ABT] [suppressed]\n"; 4200 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3496 } 4201 }
3497} 4202}
3498 4203
3499# load additional modules 4204# load additional modules
3500use cf::pod; 4205require "cf/$_.pm" for @EXTRA_MODULES;
4206cf::_connect_to_perl_2;
3501 4207
3502END { cf::emergency_save } 4208END { cf::emergency_save }
3503 4209
35041 42101
3505 4211

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