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Revision 1.326 by root, Tue Jul 31 17:33:15 2007 UTC vs.
Revision 1.556 by root, Sat Jul 3 01:49:18 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
1372 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1373 1655
1374 $self 1656 $self
1375} 1657}
1376 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1377=item $pl->quit_character 1669=item $pl->quit_character
1378 1670
1379Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1380be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1381 1673
1385 my ($pl) = @_; 1677 my ($pl) = @_;
1386 1678
1387 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1388 1680
1389 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1390 $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
1391 1683
1392 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1395 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1396 1692
1397 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1398 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1399 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1434 or return []; 1730 or return [];
1435 1731
1436 my @logins; 1732 my @logins;
1437 1733
1438 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") {
1439 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1441 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1442 1744
1443 utf8::decode $login; 1745 utf8::decode $login;
1444 push @logins, $login; 1746 push @logins, $login;
1445 } 1747 }
1446 1748
1447 \@logins 1749 \@logins
1448} 1750}
1449 1751
1450=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1451 1755
1452Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1453player. May block. 1757player. May block.
1454 1758
1455=cut 1759=cut
1473 } 1777 }
1474 1778
1475 \@paths 1779 \@paths
1476} 1780}
1477 1781
1478=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479 1783
1480Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1481
1482=cut
1483
1484sub expand_cfpod {
1485 ((my $self), (local $_)) = @_;
1486
1487 # escape & and <
1488 s/&/&amp;/g;
1489 s/(?<![BIUGH])</&lt;/g;
1490
1491 # this is buggy, it needs to properly take care of nested <'s
1492
1493 1 while
1494 # replace B<>, I<>, U<> etc.
1495 s/B<([^\>]*)>/<b>$1<\/b>/
1496 || s/I<([^\>]*)>/<i>$1<\/i>/
1497 || s/U<([^\>]*)>/<u>$1<\/u>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527 1785
1528=item $player->ext_reply ($msgid, @msg) 1786=item $player->ext_reply ($msgid, @msg)
1529 1787
1530Sends an ext reply to the player. 1788Sends an ext reply to the player.
1531 1789
1532=cut 1790=cut
1533 1791
1534sub ext_reply($$@) { 1792sub ext_reply($$@) {
1535 my ($self, $id, @msg) = @_; 1793 my ($self, $id, @msg) = @_;
1536 1794
1537 if ($self->ns->extcmd == 2) { 1795 $self->ns->ext_reply ($id, @msg)
1538 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539 } elsif ($self->ns->extcmd == 1) {
1540 #TODO: version 1, remove
1541 unshift @msg, msgtype => "reply", msgid => $id;
1542 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543 }
1544} 1796}
1545 1797
1546=item $player->ext_msg ($type, @msg) 1798=item $player->ext_msg ($type, @msg)
1547 1799
1548Sends an ext event to the client. 1800Sends an ext event to the client.
1569 1821
1570=cut 1822=cut
1571 1823
1572sub find_by_path($) { 1824sub find_by_path($) {
1573 my ($path) = @_; 1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1574 1828
1575 my ($match, $specificity); 1829 my ($match, $specificity);
1576 1830
1577 for my $region (list) { 1831 for my $region (list) {
1578 if ($region->{match} && $path =~ $region->{match}) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1604our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1605our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1606 1860
1607sub generate_random_map { 1861sub generate_random_map {
1608 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1609 # mit "rum" bekleckern, nicht 1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1610 $self->_create_random_map ( 1866 $self->_create_random_map ($rmp);
1611 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614 $rmp->{exit_on_final_map},
1615 $rmp->{xsize}, $rmp->{ysize},
1616 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621 (cf::region::find $rmp->{region}), $rmp->{custom}
1622 )
1623} 1867}
1624 1868
1625=item cf::map->register ($regex, $prio) 1869=item cf::map->register ($regex, $prio)
1626 1870
1627Register a handler for the map path matching the given regex at the 1871Register a handler for the map path matching the given regex at the
1632 1876
1633sub register { 1877sub register {
1634 my (undef, $regex, $prio) = @_; 1878 my (undef, $regex, $prio) = @_;
1635 my $pkg = caller; 1879 my $pkg = caller;
1636 1880
1637 no strict;
1638 push @{"$pkg\::ISA"}, __PACKAGE__; 1881 push @{"$pkg\::ISA"}, __PACKAGE__;
1639 1882
1640 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1883 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641} 1884}
1642 1885
1643# also paths starting with '/' 1886# also paths starting with '/'
1644$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1887$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645 1888
1646sub thawer_merge { 1889sub thawer_merge {
1647 my ($self, $merge) = @_; 1890 my ($self, $merge) = @_;
1648 1891
1649 # we have to keep some variables in memory intact 1892 # we have to keep some variables in memory intact
1654} 1897}
1655 1898
1656sub normalise { 1899sub normalise {
1657 my ($path, $base) = @_; 1900 my ($path, $base) = @_;
1658 1901
1659 $path = "$path"; # make sure its a string 1902 $path = "$path"; # make sure it's a string
1660 1903
1661 $path =~ s/\.map$//; 1904 $path =~ s/\.map$//;
1662 1905
1663 # map plan: 1906 # map plan:
1664 # 1907 #
1679 $base =~ s{[^/]+/?$}{}; 1922 $base =~ s{[^/]+/?$}{};
1680 $path = "$base/$path"; 1923 $path = "$base/$path";
1681 } 1924 }
1682 1925
1683 for ($path) { 1926 for ($path) {
1684 redo if s{//}{/};
1685 redo if s{/\.?/}{/}; 1927 redo if s{/\.?/}{/};
1686 redo if s{/[^/]+/\.\./}{/}; 1928 redo if s{/[^/]+/\.\./}{/};
1687 } 1929 }
1688 1930
1689 $path 1931 $path
1703 $self->init; # pass $1 etc. 1945 $self->init; # pass $1 etc.
1704 return $self; 1946 return $self;
1705 } 1947 }
1706 } 1948 }
1707 1949
1708 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1950 Carp::cluck "unable to resolve path '$path' (base '$base')";
1709 () 1951 ()
1710} 1952}
1711 1953
1712sub init { 1954sub init {
1713 my ($self) = @_; 1955 my ($self) = @_;
1735 1977
1736# the temporary/swap location 1978# the temporary/swap location
1737sub save_path { 1979sub save_path {
1738 my ($self) = @_; 1980 my ($self) = @_;
1739 1981
1740 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1982 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741 "$TMPDIR/$path.map" 1983 "$TMPDIR/$path.map"
1742} 1984}
1743 1985
1744# the unique path, undef == no special unique path 1986# the unique path, undef == no special unique path
1745sub uniq_path { 1987sub uniq_path {
1746 my ($self) = @_; 1988 my ($self) = @_;
1747 1989
1748 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1990 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749 "$UNIQUEDIR/$path" 1991 "$UNIQUEDIR/$path"
1750}
1751
1752# and all this just because we cannot iterate over
1753# all maps in C++...
1754sub change_all_map_light {
1755 my ($change) = @_;
1756
1757 $_->change_map_light ($change)
1758 for grep $_->outdoor, values %cf::MAP;
1759} 1992}
1760 1993
1761sub decay_objects { 1994sub decay_objects {
1762 my ($self) = @_; 1995 my ($self) = @_;
1763 1996
1776 2009
1777sub load_header_from($) { 2010sub load_header_from($) {
1778 my ($self, $path) = @_; 2011 my ($self, $path) = @_;
1779 2012
1780 utf8::encode $path; 2013 utf8::encode $path;
1781 #aio_open $path, O_RDONLY, 0 2014 my $f = new_from_file cf::object::thawer $path
1782 # or return;
1783
1784 $self->_load_header ($path)
1785 or return; 2015 or return;
2016
2017 $self->_load_header ($f)
2018 or return;
2019
2020 local $MAP_LOADING{$self->{path}} = $self;
2021 $f->resolve_delayed_derefs;
1786 2022
1787 $self->{load_path} = $path; 2023 $self->{load_path} = $path;
1788 2024
1789 1 2025 1
1790} 2026}
1842 2078
1843sub find; 2079sub find;
1844sub find { 2080sub find {
1845 my ($path, $origin) = @_; 2081 my ($path, $origin) = @_;
1846 2082
2083 cf::cede_to_tick;
2084
1847 $path = normalise $path, $origin && $origin->path; 2085 $path = normalise $path, $origin && $origin->path;
1848 2086
2087 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849 cf::lock_wait "map_find:$path"; 2088 my $guard2 = cf::lock_acquire "map_find:$path";
1850 2089
1851 $cf::MAP{$path} || do { 2090 $cf::MAP{$path} || do {
1852 my $guard = cf::lock_acquire "map_find:$path";
1853 my $map = new_from_path cf::map $path 2091 my $map = new_from_path cf::map $path
1854 or return; 2092 or return;
1855 2093
1856 $map->{last_save} = $cf::RUNTIME; 2094 $map->{last_save} = $cf::RUNTIME;
1857 2095
1859 or return; 2097 or return;
1860 2098
1861 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2099 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862 # doing this can freeze the server in a sync job, obviously 2100 # doing this can freeze the server in a sync job, obviously
1863 #$cf::WAIT_FOR_TICK->wait; 2101 #$cf::WAIT_FOR_TICK->wait;
2102 undef $guard2;
2103 undef $guard1;
1864 $map->reset; 2104 $map->reset;
1865 undef $guard;
1866 return find $path; 2105 return find $path;
1867 } 2106 }
1868 2107
1869 $cf::MAP{$path} = $map 2108 $cf::MAP{$path} = $map
1870 } 2109 }
1871} 2110}
1872 2111
1873sub pre_load { } 2112sub pre_load { }
1874sub post_load { } 2113#sub post_load { } # XS
1875 2114
1876sub load { 2115sub load {
1877 my ($self) = @_; 2116 my ($self) = @_;
1878 2117
1879 local $self->{deny_reset} = 1; # loading can take a long time 2118 local $self->{deny_reset} = 1; # loading can take a long time
1880 2119
1881 my $path = $self->{path}; 2120 my $path = $self->{path};
1882 2121
1883 { 2122 {
1884 my $guard = cf::lock_acquire "map_load:$path"; 2123 my $guard = cf::lock_acquire "map_data:$path";
1885 2124
2125 return unless $self->valid;
1886 return if $self->in_memory != cf::MAP_SWAPPED; 2126 return unless $self->in_memory == cf::MAP_SWAPPED;
1887 2127
1888 $self->in_memory (cf::MAP_LOADING); 2128 $self->in_memory (cf::MAP_LOADING);
1889 2129
1890 $self->alloc; 2130 $self->alloc;
1891 2131
1892 $self->pre_load; 2132 $self->pre_load;
1893 Coro::cede; 2133 cf::cede_to_tick;
1894 2134
2135 my $f = new_from_file cf::object::thawer $self->{load_path};
2136 $f->skip_block;
1895 $self->_load_objects ($self->{load_path}, 1) 2137 $self->_load_objects ($f)
1896 or return; 2138 or return;
1897 2139
1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2140 $self->post_load_original
1899 if delete $self->{load_original}; 2141 if delete $self->{load_original};
1900 2142
1901 if (my $uniq = $self->uniq_path) { 2143 if (my $uniq = $self->uniq_path) {
1902 utf8::encode $uniq; 2144 utf8::encode $uniq;
1903 if (aio_open $uniq, O_RDONLY, 0) { 2145 unless (aio_stat $uniq) {
2146 if (my $f = new_from_file cf::object::thawer $uniq) {
1904 $self->clear_unique_items; 2147 $self->clear_unique_items;
1905 $self->_load_objects ($uniq, 0); 2148 $self->_load_objects ($f);
2149 $f->resolve_delayed_derefs;
2150 }
1906 } 2151 }
1907 } 2152 }
1908 2153
1909 Coro::cede; 2154 $f->resolve_delayed_derefs;
2155
2156 cf::cede_to_tick;
1910 # now do the right thing for maps 2157 # now do the right thing for maps
1911 $self->link_multipart_objects; 2158 $self->link_multipart_objects;
1912 $self->difficulty ($self->estimate_difficulty) 2159 $self->difficulty ($self->estimate_difficulty)
1913 unless $self->difficulty; 2160 unless $self->difficulty;
1914 Coro::cede; 2161 cf::cede_to_tick;
1915 2162
1916 unless ($self->{deny_activate}) { 2163 unless ($self->{deny_activate}) {
1917 $self->decay_objects; 2164 $self->decay_objects;
1918 $self->fix_auto_apply; 2165 $self->fix_auto_apply;
1919 $self->update_buttons; 2166 $self->update_buttons;
1920 Coro::cede; 2167 cf::cede_to_tick;
1921 $self->set_darkness_map;
1922 Coro::cede;
1923 $self->activate; 2168 $self->activate;
1924 } 2169 }
1925 2170
1926 $self->{last_save} = $cf::RUNTIME; 2171 $self->{last_save} = $cf::RUNTIME;
1927 $self->last_access ($cf::RUNTIME); 2172 $self->last_access ($cf::RUNTIME);
1928 2173
1929 $self->in_memory (cf::MAP_IN_MEMORY); 2174 $self->in_memory (cf::MAP_ACTIVE);
1930 } 2175 }
1931 2176
1932 $self->post_load; 2177 $self->post_load;
1933}
1934 2178
2179 1
2180}
2181
2182# customize the map for a given player, i.e.
2183# return the _real_ map. used by e.g. per-player
2184# maps to change the path to ~playername/mappath
1935sub customise_for { 2185sub customise_for {
1936 my ($self, $ob) = @_; 2186 my ($self, $ob) = @_;
1937 2187
1938 return find "~" . $ob->name . "/" . $self->{path} 2188 return find "~" . $ob->name . "/" . $self->{path}
1939 if $self->per_player; 2189 if $self->per_player;
1943 2193
1944 $self 2194 $self
1945} 2195}
1946 2196
1947# find and load all maps in the 3x3 area around a map 2197# find and load all maps in the 3x3 area around a map
1948sub load_diag { 2198sub load_neighbours {
1949 my ($map) = @_; 2199 my ($map) = @_;
1950 2200
1951 my @diag; # diagonal neighbours 2201 my @neigh; # diagonal neighbours
1952 2202
1953 for (0 .. 3) { 2203 for (0 .. 3) {
1954 my $neigh = $map->tile_path ($_) 2204 my $neigh = $map->tile_path ($_)
1955 or next; 2205 or next;
1956 $neigh = find $neigh, $map 2206 $neigh = find $neigh, $map
1957 or next; 2207 or next;
1958 $neigh->load; 2208 $neigh->load;
1959 2209
2210 # now find the diagonal neighbours
2211 push @neigh,
1960 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2212 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1961 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2213 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1962 } 2214 }
1963 2215
1964 for (@diag) { 2216 for (grep defined $_->[0], @neigh) {
2217 my ($path, $origin) = @$_;
1965 my $neigh = find @$_ 2218 my $neigh = find $path, $origin
1966 or next; 2219 or next;
1967 $neigh->load; 2220 $neigh->load;
1968 } 2221 }
1969} 2222}
1970 2223
1971sub find_sync { 2224sub find_sync {
1972 my ($path, $origin) = @_; 2225 my ($path, $origin) = @_;
1973 2226
1974 cf::sync_job { find $path, $origin } 2227 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2228 if $Coro::current == $Coro::main;
2229
2230 find $path, $origin
1975} 2231}
1976 2232
1977sub do_load_sync { 2233sub do_load_sync {
1978 my ($map) = @_; 2234 my ($map) = @_;
1979 2235
1980 cf::sync_job { $map->load }; 2236 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2237 if $Coro::current == $Coro::main;
2238
2239 $map->load;
1981} 2240}
1982 2241
1983our %MAP_PREFETCH; 2242our %MAP_PREFETCH;
1984our $MAP_PREFETCHER = undef; 2243our $MAP_PREFETCHER = undef;
1985 2244
1986sub find_async { 2245sub find_async {
1987 my ($path, $origin) = @_; 2246 my ($path, $origin, $load) = @_;
1988 2247
1989 $path = normalise $path, $origin && $origin->{path}; 2248 $path = normalise $path, $origin && $origin->{path};
1990 2249
1991 if (my $map = $cf::MAP{$path}) { 2250 if (my $map = $cf::MAP{$path}) {
1992 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2251 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993 } 2252 }
1994 2253
1995 undef $MAP_PREFETCH{$path}; 2254 $MAP_PREFETCH{$path} |= $load;
2255
1996 $MAP_PREFETCHER ||= cf::async { 2256 $MAP_PREFETCHER ||= cf::async {
2257 $Coro::current->{desc} = "map prefetcher";
2258
1997 while (%MAP_PREFETCH) { 2259 while (%MAP_PREFETCH) {
1998 for my $path (keys %MAP_PREFETCH) { 2260 while (my ($k, $v) = each %MAP_PREFETCH) {
1999 if (my $map = find $path) { 2261 if (my $map = find $k) {
2000 $map->load; 2262 $map->load if $v;
2001 } 2263 }
2002 2264
2003 delete $MAP_PREFETCH{$path}; 2265 delete $MAP_PREFETCH{$k};
2004 } 2266 }
2005 } 2267 }
2006 undef $MAP_PREFETCHER; 2268 undef $MAP_PREFETCHER;
2007 }; 2269 };
2008 $MAP_PREFETCHER->prio (6); 2270 $MAP_PREFETCHER->prio (6);
2009 2271
2010 () 2272 ()
2011} 2273}
2012 2274
2275# common code, used by both ->save and ->swapout
2013sub save { 2276sub _save {
2014 my ($self) = @_; 2277 my ($self) = @_;
2015
2016 my $lock = cf::lock_acquire "map_data:" . $self->path;
2017 2278
2018 $self->{last_save} = $cf::RUNTIME; 2279 $self->{last_save} = $cf::RUNTIME;
2019 2280
2020 return unless $self->dirty; 2281 return unless $self->dirty;
2021 2282
2027 return if $self->{deny_save}; 2288 return if $self->{deny_save};
2028 2289
2029 local $self->{last_access} = $self->last_access;#d# 2290 local $self->{last_access} = $self->last_access;#d#
2030 2291
2031 cf::async { 2292 cf::async {
2293 $Coro::current->{desc} = "map player save";
2032 $_->contr->save for $self->players; 2294 $_->contr->save for $self->players;
2033 }; 2295 };
2296
2297 cf::get_slot 0.02;
2034 2298
2035 if ($uniq) { 2299 if ($uniq) {
2036 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2300 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2301 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2038 } else { 2302 } else {
2039 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2303 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2040 } 2304 }
2041} 2305}
2042 2306
2307sub save {
2308 my ($self) = @_;
2309
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2312 $self->_save;
2313}
2314
2043sub swap_out { 2315sub swap_out {
2044 my ($self) = @_; 2316 my ($self) = @_;
2045 2317
2046 # save first because save cedes
2047 $self->save;
2048
2049 my $lock = cf::lock_acquire "map_data:" . $self->path; 2318 my $lock = cf::lock_acquire "map_data:$self->{path}";
2050 2319
2320 return if $self->in_memory != cf::MAP_ACTIVE;
2321 return if $self->{deny_save};
2051 return if $self->players; 2322 return if $self->players;
2052 return if $self->in_memory != cf::MAP_IN_MEMORY;
2053 return if $self->{deny_save};
2054 2323
2324 # first deactivate the map and "unlink" it from the core
2325 $self->deactivate;
2326 $_->clear_links_to ($self) for values %cf::MAP;
2327 $self->in_memory (cf::MAP_SWAPPED);
2328
2329 # then atomically save
2330 $self->_save;
2331
2332 # then free the map
2055 $self->clear; 2333 $self->clear;
2056 $self->in_memory (cf::MAP_SWAPPED);
2057} 2334}
2058 2335
2059sub reset_at { 2336sub reset_at {
2060 my ($self) = @_; 2337 my ($self) = @_;
2061 2338
2079 2356
2080 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2357 my $lock = cf::lock_acquire "map_data:$self->{path}";
2081 2358
2082 return if $self->players; 2359 return if $self->players;
2083 2360
2084 warn "resetting map ", $self->path; 2361 cf::trace "resetting map ", $self->path, "\n";
2085 2362
2086 $self->in_memory (cf::MAP_SWAPPED); 2363 $self->in_memory (cf::MAP_SWAPPED);
2087 2364
2088 # need to save uniques path 2365 # need to save uniques path
2089 unless ($self->{deny_save}) { 2366 unless ($self->{deny_save}) {
2093 if $uniq; 2370 if $uniq;
2094 } 2371 }
2095 2372
2096 delete $cf::MAP{$self->path}; 2373 delete $cf::MAP{$self->path};
2097 2374
2375 $self->deactivate;
2376 $_->clear_links_to ($self) for values %cf::MAP;
2098 $self->clear; 2377 $self->clear;
2099
2100 $_->clear_links_to ($self) for values %cf::MAP;
2101 2378
2102 $self->unlink_save; 2379 $self->unlink_save;
2103 $self->destroy; 2380 $self->destroy;
2104} 2381}
2105 2382
2106my $nuke_counter = "aaaa"; 2383my $nuke_counter = "aaaa";
2107 2384
2108sub nuke { 2385sub nuke {
2109 my ($self) = @_; 2386 my ($self) = @_;
2110 2387
2388 {
2389 my $lock = cf::lock_acquire "map_data:$self->{path}";
2390
2111 delete $cf::MAP{$self->path}; 2391 delete $cf::MAP{$self->path};
2112 2392
2113 $self->unlink_save; 2393 $self->unlink_save;
2114 2394
2115 bless $self, "cf::map"; 2395 bless $self, "cf::map::wrap";
2116 delete $self->{deny_reset}; 2396 delete $self->{deny_reset};
2117 $self->{deny_save} = 1; 2397 $self->{deny_save} = 1;
2118 $self->reset_timeout (1); 2398 $self->reset_timeout (1);
2119 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2399 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120 2400
2121 $cf::MAP{$self->path} = $self; 2401 $cf::MAP{$self->path} = $self;
2402 }
2122 2403
2123 $self->reset; # polite request, might not happen 2404 $self->reset; # polite request, might not happen
2124} 2405}
2125 2406
2126=item $maps = cf::map::tmp_maps 2407=item $maps = cf::map::tmp_maps
2168 2449
2169sub unique_maps() { 2450sub unique_maps() {
2170 [ 2451 [
2171 map { 2452 map {
2172 utf8::decode $_; 2453 utf8::decode $_;
2173 /\.map$/ 2454 s/\.map$//; # TODO future compatibility hack
2455 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2456 ? ()
2174 ? normalise $_ 2457 : normalise $_
2175 : ()
2176 } @{ aio_readdir $UNIQUEDIR or [] } 2458 } @{ aio_readdir $UNIQUEDIR or [] }
2177 ] 2459 ]
2178} 2460}
2179 2461
2180package cf; 2462=item cf::map::static_maps
2463
2464Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2465file in the shared directory excluding F</styles> and F</editor>). May
2466block.
2467
2468=cut
2469
2470sub static_maps() {
2471 my @dirs = "";
2472 my @maps;
2473
2474 while (@dirs) {
2475 my $dir = shift @dirs;
2476
2477 next if $dir eq "/styles" || $dir eq "/editor";
2478
2479 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2480 or return;
2481
2482 for (@$files) {
2483 s/\.map$// or next;
2484 utf8::decode $_;
2485 push @maps, "$dir/$_";
2486 }
2487
2488 push @dirs, map "$dir/$_", @$dirs;
2489 }
2490
2491 \@maps
2492}
2181 2493
2182=back 2494=back
2183 2495
2184=head3 cf::object 2496=head3 cf::object
2185 2497
2189 2501
2190=over 4 2502=over 4
2191 2503
2192=item $ob->inv_recursive 2504=item $ob->inv_recursive
2193 2505
2194Returns the inventory of the object _and_ their inventories, recursively. 2506Returns the inventory of the object I<and> their inventories, recursively,
2507but I<not> the object itself.
2195 2508
2196=cut 2509=cut
2197 2510
2198sub inv_recursive_; 2511sub inv_recursive_;
2199sub inv_recursive_ { 2512sub inv_recursive_ {
2202 2515
2203sub inv_recursive { 2516sub inv_recursive {
2204 inv_recursive_ inv $_[0] 2517 inv_recursive_ inv $_[0]
2205} 2518}
2206 2519
2520=item $ref = $ob->ref
2521
2522Creates and returns a persistent reference to an object that can be stored as a string.
2523
2524=item $ob = cf::object::deref ($refstring)
2525
2526returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2527even if the object actually exists. May block.
2528
2529=cut
2530
2531sub deref {
2532 my ($ref) = @_;
2533
2534 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2535 my ($uuid, $name) = ($1, $2);
2536 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2537 or return;
2538 $pl->ob->uuid eq $uuid
2539 or return;
2540
2541 $pl->ob
2542 } else {
2543 warn "$ref: cannot resolve object reference\n";
2544 undef
2545 }
2546}
2547
2207package cf; 2548package cf;
2208 2549
2209=back 2550=back
2210 2551
2211=head3 cf::object::player 2552=head3 cf::object::player
2217Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2558Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218can be C<undef>. Does the right thing when the player is currently in a 2559can be C<undef>. Does the right thing when the player is currently in a
2219dialogue with the given NPC character. 2560dialogue with the given NPC character.
2220 2561
2221=cut 2562=cut
2563
2564our $SAY_CHANNEL = {
2565 id => "say",
2566 title => "Map",
2567 reply => "say ",
2568 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2569};
2570
2571our $CHAT_CHANNEL = {
2572 id => "chat",
2573 title => "Chat",
2574 reply => "chat ",
2575 tooltip => "Player chat and shouts, global to the server.",
2576};
2222 2577
2223# rough implementation of a future "reply" method that works 2578# rough implementation of a future "reply" method that works
2224# with dialog boxes. 2579# with dialog boxes.
2225#TODO: the first argument must go, split into a $npc->reply_to ( method 2580#TODO: the first argument must go, split into a $npc->reply_to ( method
2226sub cf::object::player::reply($$$;$) { 2581sub cf::object::player::reply($$$;$) {
2238 my $dialog = $pl->{npc_dialog}; 2593 my $dialog = $pl->{npc_dialog};
2239 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2594 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240 2595
2241 } else { 2596 } else {
2242 $msg = $npc->name . " says: $msg" if $npc; 2597 $msg = $npc->name . " says: $msg" if $npc;
2243 $self->message ($msg, $flags); 2598 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244 } 2599 }
2245 } 2600 }
2601}
2602
2603=item $object->send_msg ($channel, $msg, $color, [extra...])
2604
2605=cut
2606
2607sub cf::object::send_msg {
2608 my $pl = shift->contr
2609 or return;
2610 $pl->send_msg (@_);
2246} 2611}
2247 2612
2248=item $player_object->may ("access") 2613=item $player_object->may ("access")
2249 2614
2250Returns wether the given player is authorized to access resource "access" 2615Returns wether the given player is authorized to access resource "access"
2263 2628
2264=item $player_object->enter_link 2629=item $player_object->enter_link
2265 2630
2266Freezes the player and moves him/her to a special map (C<{link}>). 2631Freezes the player and moves him/her to a special map (C<{link}>).
2267 2632
2268The player should be reasonably safe there for short amounts of time. You 2633The player should be reasonably safe there for short amounts of time (e.g.
2269I<MUST> call C<leave_link> as soon as possible, though. 2634for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2635though, as the player cannot control the character while it is on the link
2636map.
2270 2637
2271Will never block. 2638Will never block.
2272 2639
2273=item $player_object->leave_link ($map, $x, $y) 2640=item $player_object->leave_link ($map, $x, $y)
2274 2641
2294sub cf::object::player::enter_link { 2661sub cf::object::player::enter_link {
2295 my ($self) = @_; 2662 my ($self) = @_;
2296 2663
2297 $self->deactivate_recursive; 2664 $self->deactivate_recursive;
2298 2665
2666 ++$self->{_link_recursion};
2667
2299 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2668 return if UNIVERSAL::isa $self->map, "ext::map_link";
2300 2669
2301 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2670 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302 if $self->map && $self->map->{path} ne "{link}"; 2671 if $self->map && $self->map->{path} ne "{link}";
2303 2672
2304 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2673 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2305} 2674}
2306 2675
2307sub cf::object::player::leave_link { 2676sub cf::object::player::leave_link {
2308 my ($self, $map, $x, $y) = @_; 2677 my ($self, $map, $x, $y) = @_;
2309 2678
2326 ($x, $y) = (-1, -1) 2695 ($x, $y) = (-1, -1)
2327 unless (defined $x) && (defined $y); 2696 unless (defined $x) && (defined $y);
2328 2697
2329 # use -1 or undef as default coordinates, not 0, 0 2698 # use -1 or undef as default coordinates, not 0, 0
2330 ($x, $y) = ($map->enter_x, $map->enter_y) 2699 ($x, $y) = ($map->enter_x, $map->enter_y)
2331 if $x <=0 && $y <= 0; 2700 if $x <= 0 && $y <= 0;
2332 2701
2333 $map->load; 2702 $map->load;
2334 $map->load_diag; 2703 $map->load_neighbours;
2335 2704
2336 return unless $self->contr->active; 2705 return unless $self->contr->active;
2337 $self->activate_recursive;
2338 2706
2339 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2707 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340 $self->enter_map ($map, $x, $y); 2708 if ($self->enter_map ($map, $x, $y)) {
2341} 2709 # entering was successful
2710 delete $self->{_link_recursion};
2711 # only activate afterwards, to support waiting in hooks
2712 $self->activate_recursive;
2713 }
2342 2714
2715}
2716
2343=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2717=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2344 2718
2345Moves the player to the given map-path and coordinates by first freezing 2719Moves the player to the given map-path and coordinates by first freezing
2346her, loading and preparing them map, calling the provided $check callback 2720her, loading and preparing them map, calling the provided $check callback
2347that has to return the map if sucecssful, and then unfreezes the player on 2721that has to return the map if sucecssful, and then unfreezes the player on
2348the new (success) or old (failed) map position. In either case, $done will 2722the new (success) or old (failed) map position. In either case, $done will
2349be called at the end of this process. 2723be called at the end of this process.
2350 2724
2725Note that $check will be called with a potentially non-loaded map, so if
2726it needs a loaded map it has to call C<< ->load >>.
2727
2351=cut 2728=cut
2352 2729
2353our $GOTOGEN; 2730our $GOTOGEN;
2354 2731
2355sub cf::object::player::goto { 2732sub cf::object::player::goto {
2356 my ($self, $path, $x, $y, $check, $done) = @_; 2733 my ($self, $path, $x, $y, $check, $done) = @_;
2357 2734
2735 if ($self->{_link_recursion} >= $MAX_LINKS) {
2736 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2737 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2738 ($path, $x, $y) = @$EMERGENCY_POSITION;
2739 }
2740
2358 # do generation counting so two concurrent goto's will be executed in-order 2741 # do generation counting so two concurrent goto's will be executed in-order
2359 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2742 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360 2743
2361 $self->enter_link; 2744 $self->enter_link;
2362 2745
2363 (async { 2746 (async {
2747 $Coro::current->{desc} = "player::goto $path $x $y";
2748
2749 # *tag paths override both path and x|y
2750 if ($path =~ /^\*(.*)$/) {
2751 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2752 my $ob = $obs[rand @obs];
2753
2754 # see if we actually can go there
2755 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2756 $ob = $obs[rand @obs];
2757 } else {
2758 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2759 }
2760 # else put us there anyways for now #d#
2761
2762 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2763 } else {
2764 ($path, $x, $y) = (undef, undef, undef);
2765 }
2766 }
2767
2364 my $map = eval { 2768 my $map = eval {
2365 my $map = cf::map::find $path; 2769 my $map = defined $path ? cf::map::find $path : undef;
2366 2770
2367 if ($map) { 2771 if ($map) {
2368 $map = $map->customise_for ($self); 2772 $map = $map->customise_for ($self);
2369 $map = $check->($map) if $check && $map; 2773 $map = $check->($map, $x, $y, $self) if $check && $map;
2370 } else { 2774 } else {
2371 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2775 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372 } 2776 }
2373 2777
2374 $map 2778 $map
2375 }; 2779 };
2376 2780
2382 if ($gen == $self->{_goto_generation}) { 2786 if ($gen == $self->{_goto_generation}) {
2383 delete $self->{_goto_generation}; 2787 delete $self->{_goto_generation};
2384 $self->leave_link ($map, $x, $y); 2788 $self->leave_link ($map, $x, $y);
2385 } 2789 }
2386 2790
2387 $done->() if $done; 2791 $done->($self) if $done;
2388 })->prio (1); 2792 })->prio (1);
2389} 2793}
2390 2794
2391=item $player_object->enter_exit ($exit_object) 2795=item $player_object->enter_exit ($exit_object)
2392 2796
2412} 2816}
2413 2817
2414sub prepare_random_map { 2818sub prepare_random_map {
2415 my ($exit) = @_; 2819 my ($exit) = @_;
2416 2820
2417 my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419 # all this does is basically replace the /! path by 2821 # all this does is basically replace the /! path by
2420 # a new random map path (?random/...) with a seed 2822 # a new random map path (?random/...) with a seed
2421 # that depends on the exit object 2823 # that depends on the exit object
2422 2824
2423 my $rmp = parse_random_map_params $exit->msg; 2825 my $rmp = parse_random_map_params $exit->msg;
2425 if ($exit->map) { 2827 if ($exit->map) {
2426 $rmp->{region} = $exit->region->name; 2828 $rmp->{region} = $exit->region->name;
2427 $rmp->{origin_map} = $exit->map->path; 2829 $rmp->{origin_map} = $exit->map->path;
2428 $rmp->{origin_x} = $exit->x; 2830 $rmp->{origin_x} = $exit->x;
2429 $rmp->{origin_y} = $exit->y; 2831 $rmp->{origin_y} = $exit->y;
2832
2833 $exit->map->touch;
2430 } 2834 }
2431 2835
2432 $rmp->{random_seed} ||= $exit->random_seed; 2836 $rmp->{random_seed} ||= $exit->random_seed;
2433 2837
2434 my $data = cf::to_json $rmp; 2838 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435 my $md5 = Digest::MD5::md5_hex $data; 2839 my $md5 = Digest::MD5::md5_hex $data;
2436 my $meta = "$RANDOMDIR/$md5.meta"; 2840 my $meta = "$RANDOMDIR/$md5.meta";
2437 2841
2438 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2842 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439 aio_write $fh, 0, (length $data), $data, 0; 2843 aio_write $fh, 0, (length $data), $data, 0;
2440 undef $fh; 2844 undef $fh;
2441 aio_rename "$meta~", $meta; 2845 aio_rename "$meta~", $meta;
2442 2846
2847 my $slaying = "?random/$md5";
2848
2849 if ($exit->valid) {
2443 $exit->slaying ("?random/$md5"); 2850 $exit->slaying ("?random/$md5");
2444 $exit->msg (undef); 2851 $exit->msg (undef);
2852 }
2445 } 2853 }
2446} 2854}
2447 2855
2448sub cf::object::player::enter_exit { 2856sub cf::object::player::enter_exit {
2449 my ($self, $exit) = @_; 2857 my ($self, $exit) = @_;
2450 2858
2451 return unless $self->type == cf::PLAYER; 2859 return unless $self->type == cf::PLAYER;
2452 2860
2453 if ($exit->slaying eq "/!") {
2454 #TODO: this should de-fi-ni-te-ly not be a sync-job
2455 # the problem is that $exit might not survive long enough
2456 # so it needs to be done right now, right here
2457 cf::sync_job { prepare_random_map $exit };
2458 }
2459
2460 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461 my $hp = $exit->stats->hp;
2462 my $sp = $exit->stats->sp;
2463
2464 $self->enter_link; 2861 $self->enter_link;
2465 2862
2466 # if exit is damned, update players death & WoR home-position
2467 $self->contr->savebed ($slaying, $hp, $sp)
2468 if $exit->flag (FLAG_DAMNED);
2469
2470 (async { 2863 (async {
2471 $self->deactivate_recursive; # just to be sure 2864 $Coro::current->{desc} = "enter_exit";
2865
2472 unless (eval { 2866 unless (eval {
2867 $self->deactivate_recursive; # just to be sure
2868
2869 # random map handling
2870 {
2871 my $guard = cf::lock_acquire "exit_prepare:$exit";
2872
2873 prepare_random_map $exit
2874 if $exit->slaying eq "/!";
2875 }
2876
2877 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2878 my $x = $exit->stats->hp;
2879 my $y = $exit->stats->sp;
2880
2473 $self->goto ($slaying, $hp, $sp); 2881 $self->goto ($map, $x, $y);
2474 2882
2883 # if exit is damned, update players death & WoR home-position
2884 $self->contr->savebed ($map, $x, $y)
2885 if $exit->flag (cf::FLAG_DAMNED);
2886
2475 1; 2887 1
2476 }) { 2888 }) {
2477 $self->message ("Something went wrong deep within the crossfire server. " 2889 $self->message ("Something went wrong deep within the deliantra server. "
2478 . "I'll try to bring you back to the map you were before. " 2890 . "I'll try to bring you back to the map you were before. "
2479 . "Please report this to the dungeon master!", 2891 . "Please report this to the dungeon master!",
2480 cf::NDI_UNIQUE | cf::NDI_RED); 2892 cf::NDI_UNIQUE | cf::NDI_RED);
2481 2893
2482 warn "ERROR in enter_exit: $@"; 2894 error "ERROR in enter_exit: $@";
2483 $self->leave_link; 2895 $self->leave_link;
2484 } 2896 }
2485 })->prio (1); 2897 })->prio (1);
2486} 2898}
2487 2899
2499sub cf::client::send_drawinfo { 2911sub cf::client::send_drawinfo {
2500 my ($self, $text, $flags) = @_; 2912 my ($self, $text, $flags) = @_;
2501 2913
2502 utf8::encode $text; 2914 utf8::encode $text;
2503 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2915 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2916}
2917
2918=item $client->send_big_packet ($pkt)
2919
2920Like C<send_packet>, but tries to compress large packets, and fragments
2921them as required.
2922
2923=cut
2924
2925our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2926
2927sub cf::client::send_big_packet {
2928 my ($self, $pkt) = @_;
2929
2930 # try lzf for large packets
2931 $pkt = "lzf " . Compress::LZF::compress $pkt
2932 if 1024 <= length $pkt and $self->{can_lzf};
2933
2934 # split very large packets
2935 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2936 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2937 $pkt = "frag";
2938 }
2939
2940 $self->send_packet ($pkt);
2504} 2941}
2505 2942
2506=item $client->send_msg ($channel, $msg, $color, [extra...]) 2943=item $client->send_msg ($channel, $msg, $color, [extra...])
2507 2944
2508Send a drawinfo or msg packet to the client, formatting the msg for the 2945Send a drawinfo or msg packet to the client, formatting the msg for the
2510the message, with C<log> being the default. If C<$color> is negative, suppress 2947the message, with C<log> being the default. If C<$color> is negative, suppress
2511the message unless the client supports the msg packet. 2948the message unless the client supports the msg packet.
2512 2949
2513=cut 2950=cut
2514 2951
2952# non-persistent channels (usually the info channel)
2953our %CHANNEL = (
2954 "c/motd" => {
2955 id => "infobox",
2956 title => "MOTD",
2957 reply => undef,
2958 tooltip => "The message of the day",
2959 },
2960 "c/identify" => {
2961 id => "infobox",
2962 title => "Identify",
2963 reply => undef,
2964 tooltip => "Items recently identified",
2965 },
2966 "c/examine" => {
2967 id => "infobox",
2968 title => "Examine",
2969 reply => undef,
2970 tooltip => "Signs and other items you examined",
2971 },
2972 "c/shopinfo" => {
2973 id => "infobox",
2974 title => "Shop Info",
2975 reply => undef,
2976 tooltip => "What your bargaining skill tells you about the shop",
2977 },
2978 "c/book" => {
2979 id => "infobox",
2980 title => "Book",
2981 reply => undef,
2982 tooltip => "The contents of a note or book",
2983 },
2984 "c/lookat" => {
2985 id => "infobox",
2986 title => "Look",
2987 reply => undef,
2988 tooltip => "What you saw there",
2989 },
2990 "c/who" => {
2991 id => "infobox",
2992 title => "Players",
2993 reply => undef,
2994 tooltip => "Shows players who are currently online",
2995 },
2996 "c/body" => {
2997 id => "infobox",
2998 title => "Body Parts",
2999 reply => undef,
3000 tooltip => "Shows which body parts you posess and are available",
3001 },
3002 "c/statistics" => {
3003 id => "infobox",
3004 title => "Statistics",
3005 reply => undef,
3006 tooltip => "Shows your primary statistics",
3007 },
3008 "c/skills" => {
3009 id => "infobox",
3010 title => "Skills",
3011 reply => undef,
3012 tooltip => "Shows your experience per skill and item power",
3013 },
3014 "c/shopitems" => {
3015 id => "infobox",
3016 title => "Shop Items",
3017 reply => undef,
3018 tooltip => "Shows the items currently for sale in this shop",
3019 },
3020 "c/resistances" => {
3021 id => "infobox",
3022 title => "Resistances",
3023 reply => undef,
3024 tooltip => "Shows your resistances",
3025 },
3026 "c/pets" => {
3027 id => "infobox",
3028 title => "Pets",
3029 reply => undef,
3030 tooltip => "Shows information abotu your pets/a specific pet",
3031 },
3032 "c/perceiveself" => {
3033 id => "infobox",
3034 title => "Perceive Self",
3035 reply => undef,
3036 tooltip => "You gained detailed knowledge about yourself",
3037 },
3038 "c/uptime" => {
3039 id => "infobox",
3040 title => "Uptime",
3041 reply => undef,
3042 tooltip => "How long the server has been running since last restart",
3043 },
3044 "c/mapinfo" => {
3045 id => "infobox",
3046 title => "Map Info",
3047 reply => undef,
3048 tooltip => "Information related to the maps",
3049 },
3050 "c/party" => {
3051 id => "party",
3052 title => "Party",
3053 reply => "gsay ",
3054 tooltip => "Messages and chat related to your party",
3055 },
3056 "c/death" => {
3057 id => "death",
3058 title => "Death",
3059 reply => undef,
3060 tooltip => "Reason for and more info about your most recent death",
3061 },
3062 "c/say" => $SAY_CHANNEL,
3063 "c/chat" => $CHAT_CHANNEL,
3064);
3065
2515sub cf::client::send_msg { 3066sub cf::client::send_msg {
2516 my ($self, $channel, $msg, $color, @extra) = @_; 3067 my ($self, $channel, $msg, $color, @extra) = @_;
2517 3068
2518 $msg = $self->pl->expand_cfpod ($msg); 3069 $msg = $self->pl->expand_cfpod ($msg)
3070 unless $color & cf::NDI_VERBATIM;
2519 3071
2520 $color &= cf::NDI_CLIENT_MASK; # just in case... 3072 $color &= cf::NDI_CLIENT_MASK; # just in case...
2521 3073
3074 # check predefined channels, for the benefit of C
3075 if ($CHANNEL{$channel}) {
3076 $channel = $CHANNEL{$channel};
3077
3078 $self->ext_msg (channel_info => $channel);
3079 $channel = $channel->{id};
3080
2522 if (ref $channel) { 3081 } elsif (ref $channel) {
2523 # send meta info to client, if not yet sent 3082 # send meta info to client, if not yet sent
2524 unless (exists $self->{channel}{$channel->{id}}) { 3083 unless (exists $self->{channel}{$channel->{id}}) {
2525 $self->{channel}{$channel->{id}} = $channel; 3084 $self->{channel}{$channel->{id}} = $channel;
2526 $self->ext_msg (channel_info => $channel); 3085 $self->ext_msg (channel_info => $channel);
2527 } 3086 }
2529 $channel = $channel->{id}; 3088 $channel = $channel->{id};
2530 } 3089 }
2531 3090
2532 return unless @extra || length $msg; 3091 return unless @extra || length $msg;
2533 3092
2534 if ($self->can_msg) {
2535 # default colour, mask it out 3093 # default colour, mask it out
2536 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3094 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537 if $color & cf::NDI_DEF; 3095 if $color & cf::NDI_DEF;
2538 3096
2539 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3097 my $pkt = "msg "
3098 . $self->{json_coder}->encode (
2540 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3099 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541 } else { 3100 );
2542 if ($color >= 0) {
2543 # replace some tags by gcfclient-compatible ones
2544 for ($msg) {
2545 1 while
2546 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551 }
2552 3101
2553 $color &= cf::NDI_COLOR_MASK; 3102 $self->send_big_packet ($pkt);
2554
2555 if (0 && $msg =~ /\[/) {
2556 $self->send_packet ("drawextinfo $color 4 0 $msg")
2557 } else {
2558 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2559 $self->send_packet ("drawinfo $color $msg")
2560 }
2561 }
2562 }
2563} 3103}
2564 3104
2565=item $client->ext_msg ($type, @msg) 3105=item $client->ext_msg ($type, @msg)
2566 3106
2567Sends an ext event to the client. 3107Sends an ext event to the client.
2569=cut 3109=cut
2570 3110
2571sub cf::client::ext_msg($$@) { 3111sub cf::client::ext_msg($$@) {
2572 my ($self, $type, @msg) = @_; 3112 my ($self, $type, @msg) = @_;
2573 3113
2574 my $extcmd = $self->extcmd;
2575
2576 if ($extcmd == 2) { 3114 if ($self->extcmd == 2) {
2577 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3115 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578 } elsif ($extcmd == 1) { # TODO: remove 3116 } elsif ($self->extcmd == 1) { # TODO: remove
2579 push @msg, msgtype => "event_$type"; 3117 push @msg, msgtype => "event_$type";
2580 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3118 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3119 }
3120}
3121
3122=item $client->ext_reply ($msgid, @msg)
3123
3124Sends an ext reply to the client.
3125
3126=cut
3127
3128sub cf::client::ext_reply($$@) {
3129 my ($self, $id, @msg) = @_;
3130
3131 if ($self->extcmd == 2) {
3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3133 } elsif ($self->extcmd == 1) {
3134 #TODO: version 1, remove
3135 unshift @msg, msgtype => "reply", msgid => $id;
3136 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581 } 3137 }
2582} 3138}
2583 3139
2584=item $success = $client->query ($flags, "text", \&cb) 3140=item $success = $client->query ($flags, "text", \&cb)
2585 3141
2646 my ($type, $reply, @payload) = 3202 my ($type, $reply, @payload) =
2647 "ARRAY" eq ref $msg 3203 "ARRAY" eq ref $msg
2648 ? @$msg 3204 ? @$msg
2649 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3205 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650 3206
3207 my @reply;
3208
2651 if (my $cb = $EXTICMD{$type}) { 3209 if (my $cb = $EXTICMD{$type}) {
2652 my @reply = $cb->($ns, @payload); 3210 @reply = $cb->($ns, @payload);
2653
2654 $ns->ext_reply ($reply, @reply)
2655 if $reply;
2656 } 3211 }
3212
3213 $ns->ext_reply ($reply, @reply)
3214 if $reply;
3215
2657 } else { 3216 } else {
2658 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3217 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659 } 3218 }
2660 3219
2661 cf::override; 3220 cf::override;
2662 }, 3221 },
2663); 3222);
2683 3242
2684 $coro 3243 $coro
2685} 3244}
2686 3245
2687cf::client->attach ( 3246cf::client->attach (
2688 on_destroy => sub { 3247 on_client_destroy => sub {
2689 my ($ns) = @_; 3248 my ($ns) = @_;
2690 3249
2691 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3250 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692 }, 3251 },
2693); 3252);
2708our $safe = new Safe "safe"; 3267our $safe = new Safe "safe";
2709our $safe_hole = new Safe::Hole; 3268our $safe_hole = new Safe::Hole;
2710 3269
2711$SIG{FPE} = 'IGNORE'; 3270$SIG{FPE} = 'IGNORE';
2712 3271
2713$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3272$safe->permit_only (Opcode::opset qw(
3273 :base_core :base_mem :base_orig :base_math :base_loop
3274 grepstart grepwhile mapstart mapwhile
3275 sort time
3276));
2714 3277
2715# here we export the classes and methods available to script code 3278# here we export the classes and methods available to script code
2716 3279
2717=pod 3280=pod
2718 3281
2719The following functions and methods are available within a safe environment: 3282The following functions and methods are available within a safe environment:
2720 3283
2721 cf::object 3284 cf::object
2722 contr pay_amount pay_player map x y force_find force_add 3285 contr pay_amount pay_player map x y force_find force_add destroy
2723 insert remove 3286 insert remove name archname title slaying race decrease split
3287 value
2724 3288
2725 cf::object::player 3289 cf::object::player
2726 player 3290 player
2727 3291
2728 cf::player 3292 cf::player
2733 3297
2734=cut 3298=cut
2735 3299
2736for ( 3300for (
2737 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3301 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2738 insert remove)], 3302 insert remove inv nrof name archname title slaying race
3303 decrease split destroy change_exp value msg lore send_msg)],
2739 ["cf::object::player" => qw(player)], 3304 ["cf::object::player" => qw(player)],
2740 ["cf::player" => qw(peaceful)], 3305 ["cf::player" => qw(peaceful send_msg)],
2741 ["cf::map" => qw(trigger)], 3306 ["cf::map" => qw(trigger)],
2742) { 3307) {
2743 no strict 'refs';
2744 my ($pkg, @funs) = @$_; 3308 my ($pkg, @funs) = @$_;
2745 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2746 for @funs; 3310 for @funs;
2747} 3311}
2748 3312
2763 3327
2764 my $qcode = $code; 3328 my $qcode = $code;
2765 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3329 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2766 $qcode =~ s/\n/\\n/g; 3330 $qcode =~ s/\n/\\n/g;
2767 3331
3332 %vars = (_dummy => 0) unless %vars;
3333
3334 my @res;
2768 local $_; 3335 local $_;
2769 local @safe::cf::_safe_eval_args = values %vars;
2770 3336
2771 my $eval = 3337 my $eval =
2772 "do {\n" 3338 "do {\n"
2773 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3339 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2774 . "#line 0 \"{$qcode}\"\n" 3340 . "#line 0 \"{$qcode}\"\n"
2775 . $code 3341 . $code
2776 . "\n}" 3342 . "\n}"
2777 ; 3343 ;
2778 3344
3345 if ($CFG{safe_eval}) {
2779 sub_generation_inc; 3346 sub_generation_inc;
3347 local @safe::cf::_safe_eval_args = values %vars;
2780 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3348 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2781 sub_generation_inc; 3349 sub_generation_inc;
3350 } else {
3351 local @cf::_safe_eval_args = values %vars;
3352 @res = wantarray ? eval eval : scalar eval $eval;
3353 }
2782 3354
2783 if ($@) { 3355 if ($@) {
2784 warn "$@"; 3356 warn "$@",
2785 warn "while executing safe code '$code'\n"; 3357 "while executing safe code '$code'\n",
2786 warn "with arguments " . (join " ", %vars) . "\n"; 3358 "with arguments " . (join " ", %vars) . "\n";
2787 } 3359 }
2788 3360
2789 wantarray ? @res : $res[0] 3361 wantarray ? @res : $res[0]
2790} 3362}
2791 3363
2805=cut 3377=cut
2806 3378
2807sub register_script_function { 3379sub register_script_function {
2808 my ($fun, $cb) = @_; 3380 my ($fun, $cb) = @_;
2809 3381
2810 no strict 'refs'; 3382 $fun = "safe::$fun" if $CFG{safe_eval};
2811 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3383 *$fun = $safe_hole->wrap ($cb);
2812} 3384}
2813 3385
2814=back 3386=back
2815 3387
2816=cut 3388=cut
2819# the server's init and main functions 3391# the server's init and main functions
2820 3392
2821sub load_facedata($) { 3393sub load_facedata($) {
2822 my ($path) = @_; 3394 my ($path) = @_;
2823 3395
3396 # HACK to clear player env face cache, we need some signal framework
3397 # for this (global event?)
3398 %ext::player_env::MUSIC_FACE_CACHE = ();
3399
3400 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3401
2824 warn "loading facedata from $path\n"; 3402 trace "loading facedata from $path\n";
2825 3403
2826 my $facedata;
2827 0 < aio_load $path, $facedata 3404 0 < aio_load $path, my $facedata
2828 or die "$path: $!"; 3405 or die "$path: $!";
2829 3406
2830 $facedata = Coro::Storable::thaw $facedata; 3407 $facedata = Coro::Storable::thaw $facedata;
2831 3408
2832 $facedata->{version} == 2 3409 $facedata->{version} == 2
2833 or cf::cleanup "$path: version mismatch, cannot proceed."; 3410 or cf::cleanup "$path: version mismatch, cannot proceed.";
2834 3411
3412 # patch in the exptable
3413 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3414 $facedata->{resource}{"res/exp_table"} = {
3415 type => FT_RSRC,
3416 data => $exp_table,
3417 hash => (Digest::MD5::md5 $exp_table),
3418 };
3419 cf::cede_to_tick;
3420
2835 { 3421 {
2836 my $faces = $facedata->{faceinfo}; 3422 my $faces = $facedata->{faceinfo};
2837 3423
2838 while (my ($face, $info) = each %$faces) { 3424 while (my ($face, $info) = each %$faces) {
2839 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3425 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3426
2840 cf::face::set_visibility $idx, $info->{visibility}; 3427 cf::face::set_visibility $idx, $info->{visibility};
2841 cf::face::set_magicmap $idx, $info->{magicmap}; 3428 cf::face::set_magicmap $idx, $info->{magicmap};
2842 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3429 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2843 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3430 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2844 3431
2845 cf::cede_to_tick; 3432 cf::cede_to_tick;
2846 } 3433 }
2847 3434
2848 while (my ($face, $info) = each %$faces) { 3435 while (my ($face, $info) = each %$faces) {
2849 next unless $info->{smooth}; 3436 next unless $info->{smooth};
3437
2850 my $idx = cf::face::find $face 3438 my $idx = cf::face::find $face
2851 or next; 3439 or next;
3440
2852 if (my $smooth = cf::face::find $info->{smooth}) { 3441 if (my $smooth = cf::face::find $info->{smooth}) {
2853 cf::face::set_smooth $idx, $smooth; 3442 cf::face::set_smooth $idx, $smooth;
2854 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3443 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855 } else { 3444 } else {
2856 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3445 error "smooth face '$info->{smooth}' not found for face '$face'";
2857 } 3446 }
2858 3447
2859 cf::cede_to_tick; 3448 cf::cede_to_tick;
2860 } 3449 }
2861 } 3450 }
2870 3459
2871 cf::anim::invalidate_all; # d'oh 3460 cf::anim::invalidate_all; # d'oh
2872 } 3461 }
2873 3462
2874 { 3463 {
2875 # TODO: for gcfclient pleasure, we should give resources
2876 # that gcfclient doesn't grok a >10000 face index.
2877 my $res = $facedata->{resource}; 3464 my $res = $facedata->{resource};
2878 my $enc = JSON::XS->new->utf8->canonical;
2879
2880 my $soundconf = delete $res->{"res/sound.conf"};
2881 3465
2882 while (my ($name, $info) = each %$res) { 3466 while (my ($name, $info) = each %$res) {
2883 my $meta = $enc->encode ({ 3467 if (defined $info->{type}) {
2884 name => $name,
2885 %{ $info->{meta} || {} },
2886 });
2887
2888 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3468 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2889 3469
2890 if ($info->{type} & 1) {
2891 # prepend meta info
2892
2893 my $data = pack "(w/a*)*", $meta, $info->{data};
2894 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2895
2896 cf::face::set_data $idx, 0, $data, $chk; 3470 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3471 cf::face::set_type $idx, $info->{type};
2897 } else { 3472 } else {
2898 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3473 $RESOURCE{$name} = $info; # unused
2899 } 3474 }
2900 3475
2901 cf::face::set_type $idx, $info->{type};
2902
2903 cf::cede_to_tick; 3476 cf::cede_to_tick;
2904 } 3477 }
2905
2906 if ($soundconf) {
2907 $soundconf = $enc->decode (delete $soundconf->{data});
2908
2909 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910 my $sound = $soundconf->{compat}[$_]
2911 or next;
2912
2913 my $face = cf::face::find "sound/$sound->[1]";
2914 cf::sound::set $sound->[0] => $face;
2915 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2916 }
2917
2918 while (my ($k, $v) = each %{$soundconf->{event}}) {
2919 my $face = cf::face::find "sound/$v";
2920 cf::sound::set $k => $face;
2921 }
2922 }
2923 } 3478 }
3479
3480 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2924 3481
2925 1 3482 1
2926} 3483}
2927 3484
2928register_exticmd fx_want => sub { 3485register_exticmd fx_want => sub {
2931 while (my ($k, $v) = each %$want) { 3488 while (my ($k, $v) = each %$want) {
2932 $ns->fx_want ($k, $v); 3489 $ns->fx_want ($k, $v);
2933 } 3490 }
2934}; 3491};
2935 3492
3493sub load_resource_file($) {
3494 my $guard = lock_acquire "load_resource_file";
3495
3496 my $status = load_resource_file_ $_[0];
3497 get_slot 0.1, 100;
3498 cf::arch::commit_load;
3499
3500 $status
3501}
3502
2936sub reload_regions { 3503sub reload_regions {
3504 # HACK to clear player env face cache, we need some signal framework
3505 # for this (global event?)
3506 %ext::player_env::MUSIC_FACE_CACHE = ();
3507
2937 load_resource_file "$MAPDIR/regions" 3508 load_resource_file "$MAPDIR/regions"
2938 or die "unable to load regions file\n"; 3509 or die "unable to load regions file\n";
2939 3510
2940 for (cf::region::list) { 3511 for (cf::region::list) {
2941 $_->{match} = qr/$_->{match}/ 3512 $_->{match} = qr/$_->{match}/
2949} 3520}
2950 3521
2951sub reload_archetypes { 3522sub reload_archetypes {
2952 load_resource_file "$DATADIR/archetypes" 3523 load_resource_file "$DATADIR/archetypes"
2953 or die "unable to load archetypes\n"; 3524 or die "unable to load archetypes\n";
2954 #d# NEED to laod twice to resolve forward references
2955 # this really needs to be done in an extra post-pass
2956 # (which needs to be synchronous, so solve it differently)
2957 load_resource_file "$DATADIR/archetypes"
2958 or die "unable to load archetypes\n";
2959} 3525}
2960 3526
2961sub reload_treasures { 3527sub reload_treasures {
2962 load_resource_file "$DATADIR/treasures" 3528 load_resource_file "$DATADIR/treasures"
2963 or die "unable to load treasurelists\n"; 3529 or die "unable to load treasurelists\n";
2964} 3530}
2965 3531
3532sub reload_sound {
3533 trace "loading sound config from $DATADIR/sound\n";
3534
3535 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3536 or die "$DATADIR/sound $!";
3537
3538 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3539
3540 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3541 my $sound = $soundconf->{compat}[$_]
3542 or next;
3543
3544 my $face = cf::face::find "sound/$sound->[1]";
3545 cf::sound::set $sound->[0] => $face;
3546 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3547 }
3548
3549 while (my ($k, $v) = each %{$soundconf->{event}}) {
3550 my $face = cf::face::find "sound/$v";
3551 cf::sound::set $k => $face;
3552 }
3553}
3554
2966sub reload_resources { 3555sub reload_resources {
2967 warn "reloading resource files...\n"; 3556 trace "reloading resource files...\n";
2968 3557
3558 reload_exp_table;
3559 reload_materials;
3560 reload_facedata;
3561 reload_sound;
3562 reload_archetypes;
2969 reload_regions; 3563 reload_regions;
2970 reload_facedata;
2971 #reload_archetypes;#d#
2972 reload_archetypes;
2973 reload_treasures; 3564 reload_treasures;
2974 3565
2975 warn "finished reloading resource files\n"; 3566 trace "finished reloading resource files\n";
2976} 3567}
2977 3568
2978sub init { 3569sub reload_config {
2979 reload_resources; 3570 trace "reloading config file...\n";
2980}
2981 3571
2982sub cfg_load { 3572 0 < aio_load "$CONFDIR/config", my $config
2983 open my $fh, "<:utf8", "$CONFDIR/config" 3573 or die "$CONFDIR/config: $!";
2984 or return;
2985 3574
2986 local $/; 3575 utf8::decode $config;
2987 *CFG = YAML::Syck::Load <$fh>; 3576 *CFG = yaml_load $config;
2988 3577
2989 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3578 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2990 3579
2991 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3580 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2992 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3581 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2993 3582
2994 if (exists $CFG{mlockall}) { 3583 if (exists $CFG{mlockall}) {
2998 }; 3587 };
2999 warn $@ if $@; 3588 warn $@ if $@;
3000 } 3589 }
3001} 3590}
3002 3591
3592sub pidfile() {
3593 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3594 or die "$PIDFILE: $!";
3595 flock $fh, &Fcntl::LOCK_EX
3596 or die "$PIDFILE: flock: $!";
3597 $fh
3598}
3599
3600# make sure only one server instance is running at any one time
3601sub atomic {
3602 my $fh = pidfile;
3603
3604 my $pid = <$fh>;
3605 kill 9, $pid if $pid > 0;
3606
3607 seek $fh, 0, 0;
3608 print $fh $$;
3609}
3610
3611sub main_loop {
3612 trace "EV::loop starting\n";
3613 if (1) {
3614 EV::loop;
3615 }
3616 trace "EV::loop returned\n";
3617 goto &main_loop unless $REALLY_UNLOOP;
3618}
3619
3003sub main { 3620sub main {
3621 cf::init_globals; # initialise logging
3622
3623 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3624 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3625 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3626 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3627
3628 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3629
3004 # we must not ever block the main coroutine 3630 # we must not ever block the main coroutine
3005 local $Coro::idle = sub { 3631 local $Coro::idle = sub {
3006 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3632 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3007 (async { 3633 (async {
3008 Event::one_event; 3634 $Coro::current->{desc} = "IDLE BUG HANDLER";
3635 EV::loop EV::LOOP_ONESHOT;
3009 })->prio (Coro::PRIO_MAX); 3636 })->prio (Coro::PRIO_MAX);
3010 }; 3637 };
3011 3638
3012 cfg_load; 3639 evthread_start IO::AIO::poll_fileno;
3640
3641 cf::sync_job {
3642 cf::incloader::init ();
3643
3644 cf::init_anim;
3645 cf::init_attackmess;
3646 cf::init_dynamic;
3647
3648 cf::load_settings;
3649
3650 reload_resources;
3651 reload_config;
3013 db_init; 3652 db_init;
3653
3654 cf::init_uuid;
3655 cf::init_signals;
3656 cf::init_skills;
3657
3658 cf::init_beforeplay;
3659
3660 atomic;
3661
3014 load_extensions; 3662 load_extensions;
3015 3663
3016 $TICK_WATCHER->start; 3664 utime time, time, $RUNTIMEFILE;
3017 Event::loop; 3665
3666 # no (long-running) fork's whatsoever before this point(!)
3667 use POSIX ();
3668 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3669
3670 cf::_post_init 0;
3671 };
3672
3673 cf::object::thawer::errors_are_fatal 0;
3674 info "parse errors in files are no longer fatal from this point on.\n";
3675
3676 my $free_main; $free_main = EV::idle sub {
3677 undef $free_main;
3678 undef &main; # free gobs of memory :)
3679 };
3680
3681 goto &main_loop;
3018} 3682}
3019 3683
3020############################################################################# 3684#############################################################################
3021# initialisation and cleanup 3685# initialisation and cleanup
3022 3686
3023# install some emergency cleanup handlers 3687# install some emergency cleanup handlers
3024BEGIN { 3688BEGIN {
3689 our %SIGWATCHER = ();
3025 for my $signal (qw(INT HUP TERM)) { 3690 for my $signal (qw(INT HUP TERM)) {
3026 Event->signal ( 3691 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3027 reentrant => 0,
3028 data => WF_AUTOCANCEL,
3029 signal => $signal,
3030 prio => 0,
3031 cb => sub {
3032 cf::cleanup "SIG$signal"; 3692 cf::cleanup "SIG$signal";
3033 },
3034 ); 3693 };
3035 } 3694 }
3036} 3695}
3037 3696
3038sub write_runtime { 3697sub write_runtime_sync {
3039 my $runtime = "$LOCALDIR/runtime"; 3698 my $t0 = AE::time;
3040 3699
3041 # first touch the runtime file to show we are still running: 3700 # first touch the runtime file to show we are still running:
3042 # the fsync below can take a very very long time. 3701 # the fsync below can take a very very long time.
3043 3702
3044 IO::AIO::aio_utime $runtime, undef, undef; 3703 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3045 3704
3046 my $guard = cf::lock_acquire "write_runtime"; 3705 my $guard = cf::lock_acquire "write_runtime";
3047 3706
3048 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3707 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3049 or return; 3708 or return;
3050 3709
3051 my $value = $cf::RUNTIME + 90 + 10; 3710 my $value = $cf::RUNTIME + 90 + 10;
3052 # 10 is the runtime save interval, for a monotonic clock 3711 # 10 is the runtime save interval, for a monotonic clock
3053 # 60 allows for the watchdog to kill the server. 3712 # 60 allows for the watchdog to kill the server.
3063 aio_utime $fh, undef, undef; 3722 aio_utime $fh, undef, undef;
3064 3723
3065 close $fh 3724 close $fh
3066 or return; 3725 or return;
3067 3726
3068 aio_rename "$runtime~", $runtime 3727 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3069 and return; 3728 and return;
3070 3729
3071 warn "runtime file written.\n"; 3730 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3072 3731
3073 1 3732 1
3733}
3734
3735our $uuid_lock;
3736our $uuid_skip;
3737
3738sub write_uuid_sync($) {
3739 $uuid_skip ||= $_[0];
3740
3741 return if $uuid_lock;
3742 local $uuid_lock = 1;
3743
3744 my $uuid = "$LOCALDIR/uuid";
3745
3746 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3747 or return;
3748
3749 my $value = uuid_seq uuid_cur;
3750
3751 unless ($value) {
3752 info "cowardly refusing to write zero uuid value!\n";
3753 return;
3754 }
3755
3756 my $value = uuid_str $value + $uuid_skip;
3757 $uuid_skip = 0;
3758
3759 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3760 and return;
3761
3762 # always fsync - this file is important
3763 aio_fsync $fh
3764 and return;
3765
3766 close $fh
3767 or return;
3768
3769 aio_rename "$uuid~", $uuid
3770 and return;
3771
3772 trace "uuid file written ($value).\n";
3773
3774 1
3775
3776}
3777
3778sub write_uuid($$) {
3779 my ($skip, $sync) = @_;
3780
3781 $sync ? write_uuid_sync $skip
3782 : async { write_uuid_sync $skip };
3074} 3783}
3075 3784
3076sub emergency_save() { 3785sub emergency_save() {
3077 my $freeze_guard = cf::freeze_mainloop; 3786 my $freeze_guard = cf::freeze_mainloop;
3078 3787
3079 warn "enter emergency perl save\n"; 3788 info "emergency_perl_save: enter\n";
3789
3790 # this is a trade-off: we want to be very quick here, so
3791 # save all maps without fsync, and later call a global sync
3792 # (which in turn might be very very slow)
3793 local $USE_FSYNC = 0;
3080 3794
3081 cf::sync_job { 3795 cf::sync_job {
3796 cf::write_runtime_sync; # external watchdog should not bark
3797
3082 # use a peculiar iteration method to avoid tripping on perl 3798 # use a peculiar iteration method to avoid tripping on perl
3083 # refcount bugs in for. also avoids problems with players 3799 # refcount bugs in for. also avoids problems with players
3084 # and maps saved/destroyed asynchronously. 3800 # and maps saved/destroyed asynchronously.
3085 warn "begin emergency player save\n"; 3801 info "emergency_perl_save: begin player save\n";
3086 for my $login (keys %cf::PLAYER) { 3802 for my $login (keys %cf::PLAYER) {
3087 my $pl = $cf::PLAYER{$login} or next; 3803 my $pl = $cf::PLAYER{$login} or next;
3088 $pl->valid or next; 3804 $pl->valid or next;
3805 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3089 $pl->save; 3806 $pl->save;
3090 } 3807 }
3091 warn "end emergency player save\n"; 3808 info "emergency_perl_save: end player save\n";
3092 3809
3093 warn "begin emergency map save\n"; 3810 cf::write_runtime_sync; # external watchdog should not bark
3811
3812 info "emergency_perl_save: begin map save\n";
3094 for my $path (keys %cf::MAP) { 3813 for my $path (keys %cf::MAP) {
3095 my $map = $cf::MAP{$path} or next; 3814 my $map = $cf::MAP{$path} or next;
3096 $map->valid or next; 3815 $map->valid or next;
3097 $map->save; 3816 $map->save;
3098 } 3817 }
3099 warn "end emergency map save\n"; 3818 info "emergency_perl_save: end map save\n";
3100 3819
3101 warn "begin emergency database checkpoint\n"; 3820 cf::write_runtime_sync; # external watchdog should not bark
3821
3822 info "emergency_perl_save: begin database checkpoint\n";
3102 BDB::db_env_txn_checkpoint $DB_ENV; 3823 BDB::db_env_txn_checkpoint $DB_ENV;
3103 warn "end emergency database checkpoint\n"; 3824 info "emergency_perl_save: end database checkpoint\n";
3825
3826 info "emergency_perl_save: begin write uuid\n";
3827 write_uuid_sync 1;
3828 info "emergency_perl_save: end write uuid\n";
3829
3830 cf::write_runtime_sync; # external watchdog should not bark
3831
3832 trace "emergency_perl_save: syncing database to disk";
3833 BDB::db_env_txn_checkpoint $DB_ENV;
3834
3835 info "emergency_perl_save: starting sync\n";
3836 IO::AIO::aio_sync sub {
3837 info "emergency_perl_save: finished sync\n";
3838 };
3839
3840 cf::write_runtime_sync; # external watchdog should not bark
3841
3842 trace "emergency_perl_save: flushing outstanding aio requests";
3843 while (IO::AIO::nreqs || BDB::nreqs) {
3844 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3845 }
3846
3847 cf::write_runtime_sync; # external watchdog should not bark
3104 }; 3848 };
3105 3849
3106 warn "leave emergency perl save\n"; 3850 info "emergency_perl_save: leave\n";
3107} 3851}
3108 3852
3109sub post_cleanup { 3853sub post_cleanup {
3110 my ($make_core) = @_; 3854 my ($make_core) = @_;
3111 3855
3856 IO::AIO::flush;
3857
3112 warn Carp::longmess "post_cleanup backtrace" 3858 error Carp::longmess "post_cleanup backtrace"
3113 if $make_core; 3859 if $make_core;
3860
3861 my $fh = pidfile;
3862 unlink $PIDFILE if <$fh> == $$;
3863}
3864
3865# a safer delete_package, copied from Symbol
3866sub clear_package($) {
3867 my $pkg = shift;
3868
3869 # expand to full symbol table name if needed
3870 unless ($pkg =~ /^main::.*::$/) {
3871 $pkg = "main$pkg" if $pkg =~ /^::/;
3872 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3873 $pkg .= '::' unless $pkg =~ /::$/;
3874 }
3875
3876 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3877 my $stem_symtab = *{$stem}{HASH};
3878
3879 defined $stem_symtab and exists $stem_symtab->{$leaf}
3880 or return;
3881
3882 # clear all symbols
3883 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3884 for my $name (keys %$leaf_symtab) {
3885 _gv_clear *{"$pkg$name"};
3886# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3887 }
3114} 3888}
3115 3889
3116sub do_reload_perl() { 3890sub do_reload_perl() {
3117 # can/must only be called in main 3891 # can/must only be called in main
3118 if ($Coro::current != $Coro::main) { 3892 unless (in_main) {
3119 warn "can only reload from main coroutine"; 3893 error "can only reload from main coroutine";
3120 return; 3894 return;
3121 } 3895 }
3122 3896
3123 warn "reloading..."; 3897 return if $RELOAD++;
3124 3898
3125 warn "entering sync_job"; 3899 my $t1 = AE::time;
3126 3900
3901 while ($RELOAD) {
3902 cf::get_slot 0.1, -1, "reload_perl";
3903 info "perl_reload: reloading...";
3904
3905 trace "perl_reload: entering sync_job";
3906
3127 cf::sync_job { 3907 cf::sync_job {
3128 cf::write_runtime; # external watchdog should not bark
3129 cf::emergency_save; 3908 #cf::emergency_save;
3130 cf::write_runtime; # external watchdog should not bark
3131 3909
3132 warn "syncing database to disk";
3133 BDB::db_env_txn_checkpoint $DB_ENV;
3134
3135 # if anything goes wrong in here, we should simply crash as we already saved
3136
3137 warn "cancelling all WF_AUTOCANCEL watchers";
3138 for (Event::all_watchers) {
3139 $_->cancel if $_->data & WF_AUTOCANCEL;
3140 }
3141
3142 warn "flushing outstanding aio requests";
3143 for (;;) {
3144 BDB::flush;
3145 IO::AIO::flush;
3146 Coro::cede;
3147 last unless IO::AIO::nreqs || BDB::nreqs;
3148 warn "iterate...";
3149 }
3150
3151 ++$RELOAD;
3152
3153 warn "cancelling all extension coros"; 3910 trace "perl_reload: cancelling all extension coros";
3154 $_->cancel for values %EXT_CORO; 3911 $_->cancel for values %EXT_CORO;
3155 %EXT_CORO = (); 3912 %EXT_CORO = ();
3156 3913
3157 warn "removing commands"; 3914 trace "perl_reload: removing commands";
3158 %COMMAND = (); 3915 %COMMAND = ();
3159 3916
3160 warn "removing ext/exti commands"; 3917 trace "perl_reload: removing ext/exti commands";
3161 %EXTCMD = (); 3918 %EXTCMD = ();
3162 %EXTICMD = (); 3919 %EXTICMD = ();
3163 3920
3164 warn "unloading/nuking all extensions"; 3921 trace "perl_reload: unloading/nuking all extensions";
3165 for my $pkg (@EXTS) { 3922 for my $pkg (@EXTS) {
3166 warn "... unloading $pkg"; 3923 trace "... unloading $pkg";
3167 3924
3168 if (my $cb = $pkg->can ("unload")) { 3925 if (my $cb = $pkg->can ("unload")) {
3169 eval { 3926 eval {
3170 $cb->($pkg); 3927 $cb->($pkg);
3171 1 3928 1
3172 } or warn "$pkg unloaded, but with errors: $@"; 3929 } or error "$pkg unloaded, but with errors: $@";
3930 }
3931
3932 trace "... clearing $pkg";
3933 clear_package $pkg;
3173 } 3934 }
3174 3935
3175 warn "... nuking $pkg";
3176 Symbol::delete_package $pkg;
3177 }
3178
3179 warn "unloading all perl modules loaded from $LIBDIR"; 3936 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3180 while (my ($k, $v) = each %INC) { 3937 while (my ($k, $v) = each %INC) {
3181 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3938 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3182 3939
3183 warn "... unloading $k"; 3940 trace "... unloading $k";
3184 delete $INC{$k}; 3941 delete $INC{$k};
3185 3942
3186 $k =~ s/\.pm$//; 3943 $k =~ s/\.pm$//;
3187 $k =~ s/\//::/g; 3944 $k =~ s/\//::/g;
3188 3945
3189 if (my $cb = $k->can ("unload_module")) { 3946 if (my $cb = $k->can ("unload_module")) {
3190 $cb->(); 3947 $cb->();
3948 }
3949
3950 clear_package $k;
3191 } 3951 }
3192 3952
3193 Symbol::delete_package $k;
3194 }
3195
3196 warn "getting rid of safe::, as good as possible"; 3953 trace "perl_reload: getting rid of safe::, as good as possible";
3197 Symbol::delete_package "safe::$_" 3954 clear_package "safe::$_"
3198 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3955 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3199 3956
3200 warn "unloading cf.pm \"a bit\""; 3957 trace "perl_reload: unloading cf.pm \"a bit\"";
3201 delete $INC{"cf.pm"}; 3958 delete $INC{"cf.pm"};
3202 delete $INC{"cf/pod.pm"}; 3959 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3203 3960
3204 # don't, removes xs symbols, too, 3961 # don't, removes xs symbols, too,
3205 # and global variables created in xs 3962 # and global variables created in xs
3206 #Symbol::delete_package __PACKAGE__; 3963 #clear_package __PACKAGE__;
3207 3964
3208 warn "unload completed, starting to reload now"; 3965 info "perl_reload: unload completed, starting to reload now";
3209 3966
3210 warn "reloading cf.pm"; 3967 trace "perl_reload: reloading cf.pm";
3211 require cf; 3968 require cf;
3212 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3969 cf::_connect_to_perl_1;
3213 3970
3214 warn "loading config and database again"; 3971 trace "perl_reload: loading config and database again";
3215 cf::cfg_load; 3972 cf::reload_config;
3216 3973
3217 warn "loading extensions"; 3974 trace "perl_reload: loading extensions";
3218 cf::load_extensions; 3975 cf::load_extensions;
3219 3976
3977 if ($REATTACH_ON_RELOAD) {
3220 warn "reattaching attachments to objects/players"; 3978 trace "perl_reload: reattaching attachments to objects/players";
3221 _global_reattach; # objects, sockets 3979 _global_reattach; # objects, sockets
3222 warn "reattaching attachments to maps"; 3980 trace "perl_reload: reattaching attachments to maps";
3223 reattach $_ for values %MAP; 3981 reattach $_ for values %MAP;
3224 warn "reattaching attachments to players"; 3982 trace "perl_reload: reattaching attachments to players";
3225 reattach $_ for values %PLAYER; 3983 reattach $_ for values %PLAYER;
3984 }
3226 3985
3227 warn "leaving sync_job"; 3986 cf::_post_init 1;
3228 3987
3988 trace "perl_reload: leaving sync_job";
3989
3229 1 3990 1
3230 } or do { 3991 } or do {
3231 warn $@; 3992 error $@;
3232 warn "error while reloading, exiting."; 3993 cf::cleanup "perl_reload: error, exiting.";
3233 exit 1; 3994 };
3995
3996 --$RELOAD;
3234 }; 3997 }
3235 3998
3236 warn "reloaded"; 3999 $t1 = AE::time - $t1;
4000 info "perl_reload: completed in ${t1}s\n";
3237}; 4001};
3238 4002
3239our $RELOAD_WATCHER; # used only during reload 4003our $RELOAD_WATCHER; # used only during reload
3240 4004
3241sub reload_perl() { 4005sub reload_perl() {
3242 # doing reload synchronously and two reloads happen back-to-back, 4006 # doing reload synchronously and two reloads happen back-to-back,
3243 # coro crashes during coro_state_free->destroy here. 4007 # coro crashes during coro_state_free->destroy here.
3244 4008
3245 $RELOAD_WATCHER ||= Event->timer ( 4009 $RELOAD_WATCHER ||= cf::async {
3246 reentrant => 0, 4010 Coro::AIO::aio_wait cache_extensions;
3247 after => 0, 4011
3248 data => WF_AUTOCANCEL, 4012 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3249 cb => sub {
3250 do_reload_perl; 4013 do_reload_perl;
3251 undef $RELOAD_WATCHER; 4014 undef $RELOAD_WATCHER;
3252 }, 4015 };
3253 ); 4016 };
3254} 4017}
3255 4018
3256register_command "reload" => sub { 4019register_command "reload" => sub {
3257 my ($who, $arg) = @_; 4020 my ($who, $arg) = @_;
3258 4021
3259 if ($who->flag (FLAG_WIZ)) { 4022 if ($who->flag (FLAG_WIZ)) {
3260 $who->message ("reloading server."); 4023 $who->message ("reloading server.");
4024 async {
4025 $Coro::current->{desc} = "perl_reload";
3261 async { reload_perl }; 4026 reload_perl;
4027 };
3262 } 4028 }
3263}; 4029};
3264 4030
3265unshift @INC, $LIBDIR; 4031#############################################################################
3266 4032
3267my $bug_warning = 0; 4033my $bug_warning = 0;
3268 4034
3269our @WAIT_FOR_TICK; 4035our @WAIT_FOR_TICK;
3270our @WAIT_FOR_TICK_BEGIN; 4036our @WAIT_FOR_TICK_BEGIN;
3271 4037
3272sub wait_for_tick { 4038sub wait_for_tick() {
3273 return unless $TICK_WATCHER->is_active;
3274 return if $Coro::current == $Coro::main; 4039 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3275 4040
3276 my $signal = new Coro::Signal; 4041 my $signal = new Coro::Signal;
3277 push @WAIT_FOR_TICK, $signal; 4042 push @WAIT_FOR_TICK, $signal;
3278 $signal->wait; 4043 $signal->wait;
3279} 4044}
3280 4045
3281sub wait_for_tick_begin { 4046sub wait_for_tick_begin() {
3282 return unless $TICK_WATCHER->is_active;
3283 return if $Coro::current == $Coro::main; 4047 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3284 4048
3285 my $signal = new Coro::Signal; 4049 my $signal = new Coro::Signal;
3286 push @WAIT_FOR_TICK_BEGIN, $signal; 4050 push @WAIT_FOR_TICK_BEGIN, $signal;
3287 $signal->wait; 4051 $signal->wait;
3288} 4052}
3289 4053
3290 my $min = 1e6;#d# 4054sub tick {
3291 my $avg = 10;
3292$TICK_WATCHER = Event->timer (
3293 reentrant => 0,
3294 parked => 1,
3295 prio => 0,
3296 at => $NEXT_TICK || $TICK,
3297 data => WF_AUTOCANCEL,
3298 cb => sub {
3299 if ($Coro::current != $Coro::main) { 4055 if ($Coro::current != $Coro::main) {
3300 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4056 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3301 unless ++$bug_warning > 10; 4057 unless ++$bug_warning > 10;
3302 return; 4058 return;
3303 } 4059 }
3304 4060
3305 $NOW = $tick_start = Event::time;
3306
3307 cf::server_tick; # one server iteration 4061 cf::server_tick; # one server iteration
3308 4062
3309 0 && sync_job {#d# 4063 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3310 for(1..10) {
3311 my $t = Event::time;
3312 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3313 or die;
3314 4064
3315 $map->width (50); 4065 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3316 $map->height (50); 4066 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3317 $map->alloc; 4067 Coro::async_pool {
3318 $map->_load_objects ("/tmp/x.map", 1); 4068 $Coro::current->{desc} = "runtime saver";
3319 my $t = Event::time - $t; 4069 write_runtime_sync
3320 4070 or error "ERROR: unable to write runtime file: $!";
3321 #next unless $t < 0.0013;#d#
3322 if ($t < $min) {
3323 $min = $t;
3324 }
3325 $avg = $avg * 0.99 + $t * 0.01;
3326 }
3327 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3328 exit 0;
3329 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3330 }; 4071 };
4072 }
3331 4073
3332 $RUNTIME += $TICK;
3333 $NEXT_TICK += $TICK;
3334
3335 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3336 $NEXT_RUNTIME_WRITE = $NOW + 10;
3337 Coro::async_pool {
3338 write_runtime
3339 or warn "ERROR: unable to write runtime file: $!";
3340 };
3341 }
3342
3343# my $AFTER = Event::time;
3344# warn $AFTER - $NOW;#d#
3345
3346 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4074 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3347 $sig->send; 4075 $sig->send;
3348 } 4076 }
3349 while (my $sig = shift @WAIT_FOR_TICK) { 4077 while (my $sig = shift @WAIT_FOR_TICK) {
3350 $sig->send; 4078 $sig->send;
3351 } 4079 }
3352 4080
3353 $NOW = Event::time; 4081 $LOAD = ($NOW - $TICK_START) / $TICK;
3354
3355 # if we are delayed by four ticks or more, skip them all
3356 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3357
3358 $TICK_WATCHER->at ($NEXT_TICK);
3359 $TICK_WATCHER->start;
3360
3361 $LOAD = ($NOW - $tick_start) / $TICK;
3362 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4082 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3363 4083
3364 _post_tick; 4084 if (0) {
3365 4085 if ($NEXT_TICK) {
3366 4086 my $jitter = $TICK_START - $NEXT_TICK;
4087 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4088 debug "jitter $JITTER\n";#d#
4089 }
3367 }, 4090 }
3368); 4091}
3369 4092
3370{ 4093{
3371 BDB::max_poll_time $TICK * 0.1; 4094 # configure BDB
3372 $BDB_POLL_WATCHER = Event->io ( 4095
3373 reentrant => 0,
3374 fd => BDB::poll_fileno,
3375 poll => 'r',
3376 prio => 0,
3377 data => WF_AUTOCANCEL,
3378 cb => \&BDB::poll_cb,
3379 );
3380 BDB::min_parallel 8; 4096 BDB::min_parallel 16;
3381 4097 BDB::max_poll_reqs $TICK * 0.1;
3382 BDB::set_sync_prepare { 4098 $AnyEvent::BDB::WATCHER->priority (1);
3383 my $status;
3384 my $current = $Coro::current;
3385 (
3386 sub {
3387 $status = $!;
3388 $current->ready; undef $current;
3389 },
3390 sub {
3391 Coro::schedule while defined $current;
3392 $! = $status;
3393 },
3394 )
3395 };
3396 4099
3397 unless ($DB_ENV) { 4100 unless ($DB_ENV) {
3398 $DB_ENV = BDB::db_env_create; 4101 $DB_ENV = BDB::db_env_create;
4102 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4103 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4104 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4105 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4106 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3399 4107
3400 cf::sync_job { 4108 cf::sync_job {
3401 eval { 4109 eval {
3402 BDB::db_env_open 4110 BDB::db_env_open
3403 $DB_ENV, 4111 $DB_ENV,
3405 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4113 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3406 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4114 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3407 0666; 4115 0666;
3408 4116
3409 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4117 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3410
3411 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3412 $DB_ENV->set_lk_detect;
3413 }; 4118 };
3414 4119
3415 cf::cleanup "db_env_open(db): $@" if $@; 4120 cf::cleanup "db_env_open(db): $@" if $@;
3416 }; 4121 };
3417 } 4122 }
4123
4124 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4125 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4126 };
4127 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4128 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4129 };
4130 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4131 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4132 };
3418} 4133}
3419 4134
3420{ 4135{
4136 # configure IO::AIO
4137
3421 IO::AIO::min_parallel 8; 4138 IO::AIO::min_parallel 8;
3422
3423 undef $Coro::AIO::WATCHER;
3424 IO::AIO::max_poll_time $TICK * 0.1; 4139 IO::AIO::max_poll_time $TICK * 0.1;
3425 $AIO_POLL_WATCHER = Event->io ( 4140 undef $AnyEvent::AIO::WATCHER;
3426 reentrant => 0,
3427 data => WF_AUTOCANCEL,
3428 fd => IO::AIO::poll_fileno,
3429 poll => 'r',
3430 prio => 6,
3431 cb => \&IO::AIO::poll_cb,
3432 );
3433} 4141}
3434 4142
3435my $_log_backtrace; 4143our $_log_backtrace;
4144our $_log_backtrace_last;
3436 4145
3437sub _log_backtrace { 4146sub _log_backtrace {
3438 my ($msg, @addr) = @_; 4147 my ($msg, @addr) = @_;
3439 4148
3440 $msg =~ s/\n//; 4149 $msg =~ s/\n$//;
3441 4150
4151 if ($_log_backtrace_last eq $msg) {
4152 LOG llevInfo, "[ABT] $msg\n";
4153 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3442 # limit the # of concurrent backtraces 4154 # limit the # of concurrent backtraces
3443 if ($_log_backtrace < 2) { 4155 } elsif ($_log_backtrace < 2) {
4156 $_log_backtrace_last = $msg;
3444 ++$_log_backtrace; 4157 ++$_log_backtrace;
4158 my $perl_bt = Carp::longmess $msg;
3445 async { 4159 async {
4160 $Coro::current->{desc} = "abt $msg";
4161
3446 my @bt = fork_call { 4162 my @bt = fork_call {
3447 @addr = map { sprintf "%x", $_ } @addr; 4163 @addr = map { sprintf "%x", $_ } @addr;
3448 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4164 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3449 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4165 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3450 or die "addr2line: $!"; 4166 or die "addr2line: $!";
3458 } 4174 }
3459 4175
3460 @funcs 4176 @funcs
3461 }; 4177 };
3462 4178
3463 LOG llevInfo, "[ABT] $msg\n"; 4179 LOG llevInfo, "[ABT] $perl_bt\n";
4180 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3464 LOG llevInfo, "[ABT] $_\n" for @bt; 4181 LOG llevInfo, "[ABT] $_\n" for @bt;
3465 --$_log_backtrace; 4182 --$_log_backtrace;
3466 }; 4183 };
3467 } else { 4184 } else {
3468 LOG llevInfo, "[ABT] $msg\n"; 4185 LOG llevInfo, "[ABT] $msg\n";
3469 LOG llevInfo, "[ABT] [suppressed]\n"; 4186 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3470 } 4187 }
3471} 4188}
3472 4189
3473# load additional modules 4190# load additional modules
3474use cf::pod; 4191require "cf/$_.pm" for @EXTRA_MODULES;
4192cf::_connect_to_perl_2;
3475 4193
3476END { cf::emergency_save } 4194END { cf::emergency_save }
3477 4195
34781 41961
3479 4197

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