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Revision 1.329 by root, Fri Aug 10 05:38:16 2007 UTC vs.
Revision 1.552 by root, Mon May 17 21:12:59 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
64our $DATADIR = datadir; 98our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
74 118
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 121our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
82 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
85 130
86our %CFG; 131our %CFG;
87 132
88our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 134our $RUNTIME;
135our $NOW;
90 136
91our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
94 140
95# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 143
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
100our $tick_start; # for load detecting purposes 147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
101 153
102binmode STDOUT; 154binmode STDOUT;
103binmode STDERR; 155binmode STDERR;
104 156
105# read virtual server time, if available 157# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
110} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
111 165
112mkdir $_ 166mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 168
115our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
116 170
117sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118 187
119############################################################################# 188#############################################################################
120 189
121=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
122 191
158 227
159The raw value load value from the last tick. 228The raw value load value from the last tick.
160 229
161=item %cf::CFG 230=item %cf::CFG
162 231
163Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 233from wherever your confdir points to.
165 234
166=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
167 236
168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
170per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
172=item @cf::INVOKE_RESULTS 246=item @cf::INVOKE_RESULTS
173 247
174This array contains the results of the last C<invoke ()> call. When 248This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 250that call.
177 251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
178=back 258=back
179 259
180=cut 260=cut
181 261
182BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 269 my $msg = join "", @_;
185 270
186 $msg .= "\n" 271 $msg .= "\n"
187 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
188 273
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 275
191 utf8::encode $msg;
192 LOG llevError, $msg; 276 LOG llevWarn, $msg;
193 }; 277};
194} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
195 292
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 303for my $pkg (qw(
207 cf::global cf::attachable 304 cf::global cf::attachable
208 cf::object cf::object::player 305 cf::object cf::object::player
209 cf::client cf::player 306 cf::client cf::player
210 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
211 cf::map cf::party cf::region 309 cf::party cf::region
212)) { 310)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 312}
216 313
217$Event::DIED = sub { 314$EV::DIED = sub {
218 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
219}; 316};
220 317
221############################################################################# 318#############################################################################
222 319
223=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 343 $d
247 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
248} 345}
249 346
250=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
251 348
252Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
253 350
254=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
255 352
256Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
257 354
258=cut 355=cut
259 356
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 358
262sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
264 404
265=item cf::lock_wait $string 405=item cf::lock_wait $string
266 406
267Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
268 408
269=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
270 410
271Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
274returned. 414returned.
275 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
276Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
278 421
279=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
280 423
281Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
282 425
283=cut 426=cut
284 427
285our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
286 429
287sub lock_wait($) { 430sub lock_wait($) {
288 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 432}
296 433
297sub lock_acquire($) { 434sub lock_acquire($) {
298 my ($key) = @_; 435 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 436}
310 437
311sub lock_active($) { 438sub lock_active($) {
312 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 440}
316 441
317sub freeze_mainloop { 442sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
319 444
320 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 446}
322 }; 447
323 $TICK_WATCHER->stop; 448=item cf::periodic $interval, $cb
324 $guard 449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
325} 461}
326 462
327=item cf::get_slot $time[, $priority[, $name]] 463=item cf::get_slot $time[, $priority[, $name]]
328 464
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 465Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 473
338=cut 474=cut
339 475
340our @SLOT_QUEUE; 476our @SLOT_QUEUE;
341our $SLOT_QUEUE; 477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
342 479
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
345 my $signal = new Coro::Signal; 484 my $signal = new Coro::Signal;
485 my $busy;
346 486
347 while () { 487 while () {
348 next_job: 488 next_job:
489
349 my $avail = cf::till_tick; 490 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 491
351 for (0 .. $#SLOT_QUEUE) { 492 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 495 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 496 $job->[2]->send;
355 Coro::cede; 497 Coro::cede;
356 goto next_job; 498 goto next_job;
357 } 499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 501 }
359 } 502 }
360 503
361 if (@SLOT_QUEUE) { 504 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 506 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 507 $signal->wait;
365 } else { 508 } else {
509 $busy = 0;
366 Coro::schedule; 510 Coro::schedule;
367 } 511 }
368 } 512 }
369}; 513};
370 514
371sub get_slot($;$$) { 515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
372 my ($time, $pri, $name) = @_; 518 my ($time, $pri, $name) = @_;
373 519
374 $time = $TICK * .6 if $time > $TICK * .6; 520 $time = clamp $time, 0.01, $TICK * .6;
521
375 my $sig = new Coro::Signal; 522 my $sig = new Coro::Signal;
376 523
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 526 $SLOT_QUEUE->ready;
390 537
391BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
392 539
393=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
394 541
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 545acceptable.
399 546
400If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
405=cut 552=cut
406 553
407sub sync_job(&) { 554sub sync_job(&) {
408 my ($job) = @_; 555 my ($job) = @_;
409 556
410 if ($Coro::current == $Coro::main) { 557 if (in_main) {
411 my $time = Event::time; 558 my $time = AE::time;
412 559
413 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
415 562
416 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 564
418 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
419 566
420 my $busy = 1; 567 my $busy = 1;
421 my @res; 568 my @res;
422 569
423 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 572 @res = eval { $job->() };
425 warn $@ if $@; 573 error $@ if $@;
426 undef $busy; 574 undef $busy;
427 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
428 576
429 while ($busy) { 577 while ($busy) {
430 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
431 } 582 }
583 }
432 584
433 $time = Event::time - $time; 585 my $time = AE::time - $time;
434 586
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
439 588
440 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
441 } else { 590 } else {
442 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
443 592
463 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
464 613
465 $coro 614 $coro
466} 615}
467 616
468=item fork_call { }, $args 617=item fork_call { }, @args
469 618
470Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
474 623
475=cut 624=cut
476 625
477sub _store_scalar { 626sub post_fork {
478 open my $fh, ">", \my $buf 627 reset_signals;
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484} 628}
485 629
486sub fork_call(&@) { 630sub fork_call(&@) {
487 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
488 632
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 636
494 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
495 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
496 641
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
498 warn "pst<$res>" unless $res =~ /^pst/; 643}
499 $res = Coro::Storable::thaw $res;
500 644
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
528} 681}
529 682
530=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
531 684
532Returns a single value from the environment database. 685Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
535 688
536Stores the given C<$value> in the family. It can currently store binary 689Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
539=cut 697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
540 718
541our $DB; 719our $DB;
542 720
543sub db_init { 721sub db_init {
544 unless ($DB) { 722 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 723}
559 724
560sub db_get($$) { 725sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
562 727
563 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
564 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
565 732
566 $! ? () 733 $! ? ()
567 : $data 734 : $data
568 }
569} 735}
570 736
571sub db_put($$$) { 737sub db_put($$$) {
572 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 778 if (1) {
613 $md5 = 779 $md5 =
614 join "\x00", 780 join "\x00",
615 $processversion, 781 $processversion,
616 map { 782 map {
617 Coro::cede; 783 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 785 } 0.. $#$src;
620 786
621 787
622 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
629 795
630 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 797 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
633 799
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 801
636 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
639 805
649 815
650=cut 816=cut
651 817
652sub datalog($@) { 818sub datalog($@) {
653 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 821}
656 822
657=back 823=back
658 824
659=cut 825=cut
660 826
661############################################################################# 827#############################################################################
662 828
663=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
664 830
665Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
668 834
669In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
670C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 837Deliantra).
672 838
673=over 4 839=over 4
674 840
675=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
676 842
720=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
721 887
722Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
724 890
725Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
727 893
728These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
729 895
730=over 4 896=over 4
854 1020
855 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 1023
858 } elsif (ref $type) { 1024 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
860 1026
861 } else { 1027 } else {
862 shift @arg; 1028 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
864 } 1030 }
865 } 1031 }
866} 1032}
867 1033
868sub _object_attach { 1034sub _object_attach {
878 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
879 } 1045 }
880 1046
881 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
882 } else { 1048 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1050 }
885 1051
886 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
887} 1053}
888 1054
947 1113
948 for (@$callbacks) { 1114 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
950 1116
951 if ($@) { 1117 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1119 override;
955 } 1120 }
956 1121
957 return 1 if $override; 1122 return 1 if $override;
958 } 1123 }
959 1124
960 0 1125 0
961} 1126}
962 1127
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1129
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1131
967Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
968 1133
974 1139
975=cut 1140=cut
976 1141
977############################################################################# 1142#############################################################################
978# object support 1143# object support
979#
980 1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
981sub _can_merge { 1178sub _can_merge {
982 my ($ob1, $ob2) = @_; 1179 my ($ob1, $ob2) = @_;
983 1180
984 local $Storable::canonical = 1; 1181 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1182
988 $fob1 eq $fob2 1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
989} 1185}
990 1186
991sub reattach { 1187sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1189 my ($obj) = @_;
994 1190
1191 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1193
997 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
998 1195
999 @$registry = (); 1196 @$registry = ();
1000 1197
1005 for (@$attach) { 1202 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
1008 } 1205 }
1009 } else { 1206 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1208 }
1012 } 1209 }
1013} 1210}
1014 1211
1015cf::attachable->attach ( 1212cf::attachable->attach (
1016 prio => -1000000, 1213 prio => -1000000,
1017 on_instantiate => sub { 1214 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
1019 1216
1020 $data = from_json $data; 1217 $data = decode_json $data;
1021 1218
1022 for (@$data) { 1219 for (@$data) {
1023 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
1024 1221
1025 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1238sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
1043 1240
1044 sync_job { 1241 sync_job {
1045 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
1048 1247
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
1053 close $fh; 1255 aio_close $fh;
1054 1256
1055 if (@$objs) { 1257 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
1061 close $fh; 1266 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1268 }
1064 } else { 1269 } else {
1065 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
1066 } 1271 }
1067 1272
1068 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1277 } else {
1070 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
1071 } 1279 }
1072 } else { 1280 } else {
1073 aio_unlink $filename; 1281 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
1075 } 1283 }
1076 } 1284 };
1077} 1285}
1078 1286
1079sub object_freezer_as_string { 1287sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
1081 1289
1093 or return; 1301 or return;
1094 1302
1095 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1305 or return;
1306
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1099 } 1309 }
1100 1310
1311 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1103 return ($data, $av); 1316 ($data, $av)
1104} 1317}
1105 1318
1106=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1107 1320
1108=over 4 1321=over 4
1162 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1163 1376
1164 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1165} 1378}
1166 1379
1380use File::Glob ();
1381
1167cf::player->attach ( 1382cf::player->attach (
1168 on_command => sub { 1383 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1170 1385
1171 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1172 or return; 1387 or return;
1173 1388
1186 my ($type, $reply, @payload) = 1401 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg 1402 "ARRAY" eq ref $msg
1188 ? @$msg 1403 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190 1405
1406 my @reply;
1407
1191 if (my $cb = $EXTCMD{$type}) { 1408 if (my $cb = $EXTCMD{$type}) {
1192 my @reply = $cb->($pl, @payload); 1409 @reply = $cb->($pl, @payload);
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1197 } else { 1415 } else {
1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199 } 1417 }
1200 1418
1201 cf::override; 1419 cf::override;
1202 }, 1420 },
1203); 1421);
1204 1422
1423# "readahead" all extensions
1424sub cache_extensions {
1425 my $grp = IO::AIO::aio_group;
1426
1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1428 for (grep /\.ext$/, @{$_[0]}) {
1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1430 }
1431 };
1432
1433 $grp
1434}
1435
1205sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1206 cf::sync_job { 1439 cf::sync_job {
1207 my %todo; 1440 my %todo;
1208 1441
1209 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1210 next unless -r $path; 1443 next unless -r $path;
1228 1461
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1464
1232 $ext{source} = 1465 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1234 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1235 . $source 1468 . $source
1236 . "\n};\n1"; 1469 . "\n};\n1";
1237 1470
1238 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1239 } 1472 }
1240 1473
1474 my $pass = 0;
1241 my %done; 1475 my %done;
1242 while (%todo) { 1476 while (%todo) {
1243 my $progress; 1477 my $progress;
1244 1478
1479 ++$pass;
1480
1481 ext:
1245 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip 1484 next ext
1248 unless exists $done{$_}; 1485 unless exists $done{$_};
1249 } 1486 }
1250 1487
1251 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252 1489
1253 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1254 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1255 : "$v->{base}: extension inactive.\n";
1256 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1258 warn $msg; 1497
1259 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260 exit 1; 1499 delete $todo{$k};
1261 } 1500 } else {
1262 1501 $done{$k} = delete $todo{$k};
1263 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1264 } 1507 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1269 } 1508 }
1270 1509
1271 skip: 1510 unless ($progress) {
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273 unless $progress; 1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1274 } 1518 }
1275 }; 1519 };
1276} 1520}
1277 1521
1278############################################################################# 1522#############################################################################
1279 1523
1280=back 1524=back
1281 1525
1282=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1283 1527
1284Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1285 1529
1286=cut 1530=cut
1287 1531
1288package cf::player; 1532package cf::player;
1289 1533
1290use Coro::AIO; 1534use Coro::AIO;
1291 1535
1292=head3 cf::player 1536=head3 cf::player
1293 1537
1294=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1295 1553
1296=item cf::player::find $login 1554=item cf::player::find $login
1297 1555
1298Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1299 1557
1318 1576
1319sub exists($) { 1577sub exists($) {
1320 my ($login) = @_; 1578 my ($login) = @_;
1321 1579
1322 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1323 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1324} 1582}
1325 1583
1326sub find($) { 1584sub find($) {
1327 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1328 my $login = $_[0]; 1586 my $login = $_[0];
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1339 1597
1340 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1341 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1342 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1343 } 1607 }
1344 } 1608 }
1345} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1346 1623
1347sub save($) { 1624sub save($) {
1348 my ($pl) = @_; 1625 my ($pl) = @_;
1349 1626
1350 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1355 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1356 1633
1357 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1358 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1359 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1360 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1361 Coro::cede; 1643 cf::cede_to_tick;
1362} 1644}
1363 1645
1364sub new($) { 1646sub new($) {
1365 my ($login) = @_; 1647 my ($login) = @_;
1366 1648
1395 my ($pl) = @_; 1677 my ($pl) = @_;
1396 1678
1397 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1398 1680
1399 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1400 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1401 1683
1402 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1403 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1404 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1405 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1406 1692
1407 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1408 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1409 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1444 or return []; 1730 or return [];
1445 1731
1446 my @logins; 1732 my @logins;
1447 1733
1448 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1449 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1450 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1451 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1452 1744
1453 utf8::decode $login; 1745 utf8::decode $login;
1454 push @logins, $login; 1746 push @logins, $login;
1455 } 1747 }
1456 1748
1457 \@logins 1749 \@logins
1458} 1750}
1459 1751
1460=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1461 1755
1462Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1463player. May block. 1757player. May block.
1464 1758
1465=cut 1759=cut
1483 } 1777 }
1484 1778
1485 \@paths 1779 \@paths
1486} 1780}
1487 1781
1488=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1489 1783
1490Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1491
1492=cut
1493
1494sub expand_cfpod {
1495 ((my $self), (local $_)) = @_;
1496
1497 # escape & and <
1498 s/&/&amp;/g;
1499 s/(?<![BIUGH])</&lt;/g;
1500
1501 # this is buggy, it needs to properly take care of nested <'s
1502
1503 1 while
1504 # replace B<>, I<>, U<> etc.
1505 s/B<([^\>]*)>/<b>$1<\/b>/
1506 || s/I<([^\>]*)>/<i>$1<\/i>/
1507 || s/U<([^\>]*)>/<u>$1<\/u>/
1508 # replace G<male|female> tags
1509 || s{G<([^>|]*)\|([^>]*)>}{
1510 $self->gender ? $2 : $1
1511 }ge
1512 # replace H<hint text>
1513 || s{H<([^\>]*)>}
1514 {
1515 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1516 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1517 "")
1518 [$self->{hintmode}]
1519 }ge;
1520
1521 # create single paragraphs (very hackish)
1522 s/(?<=\S)\n(?=\w)/ /g;
1523
1524 # compress some whitespace
1525 s/\s+\n/\n/g; # ws line-ends
1526 s/\n\n+/\n/g; # double lines
1527 s/^\n+//; # beginning lines
1528 s/\n+$//; # ending lines
1529
1530 $_
1531}
1532
1533sub hintmode {
1534 $_[0]{hintmode} = $_[1] if @_ > 1;
1535 $_[0]{hintmode}
1536}
1537 1785
1538=item $player->ext_reply ($msgid, @msg) 1786=item $player->ext_reply ($msgid, @msg)
1539 1787
1540Sends an ext reply to the player. 1788Sends an ext reply to the player.
1541 1789
1542=cut 1790=cut
1543 1791
1544sub ext_reply($$@) { 1792sub ext_reply($$@) {
1545 my ($self, $id, @msg) = @_; 1793 my ($self, $id, @msg) = @_;
1546 1794
1547 if ($self->ns->extcmd == 2) { 1795 $self->ns->ext_reply ($id, @msg)
1548 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1549 } elsif ($self->ns->extcmd == 1) {
1550 #TODO: version 1, remove
1551 unshift @msg, msgtype => "reply", msgid => $id;
1552 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1553 }
1554} 1796}
1555 1797
1556=item $player->ext_msg ($type, @msg) 1798=item $player->ext_msg ($type, @msg)
1557 1799
1558Sends an ext event to the client. 1800Sends an ext event to the client.
1579 1821
1580=cut 1822=cut
1581 1823
1582sub find_by_path($) { 1824sub find_by_path($) {
1583 my ($path) = @_; 1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1584 1828
1585 my ($match, $specificity); 1829 my ($match, $specificity);
1586 1830
1587 for my $region (list) { 1831 for my $region (list) {
1588 if ($region->{match} && $path =~ $region->{match}) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1614our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1615our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1616 1860
1617sub generate_random_map { 1861sub generate_random_map {
1618 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1619 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1620 $self->_create_random_map ( 1867 $self->_create_random_map (
1621 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1622 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1623 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1624 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1625 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1626 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1627 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1642 1889
1643sub register { 1890sub register {
1644 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1645 my $pkg = caller; 1892 my $pkg = caller;
1646 1893
1647 no strict;
1648 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1649 1895
1650 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1651} 1897}
1652 1898
1653# also paths starting with '/' 1899# also paths starting with '/'
1654$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1655 1901
1656sub thawer_merge { 1902sub thawer_merge {
1657 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1658 1904
1659 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1664} 1910}
1665 1911
1666sub normalise { 1912sub normalise {
1667 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1668 1914
1669 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1670 1916
1671 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1672 1918
1673 # map plan: 1919 # map plan:
1674 # 1920 #
1689 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1690 $path = "$base/$path"; 1936 $path = "$base/$path";
1691 } 1937 }
1692 1938
1693 for ($path) { 1939 for ($path) {
1694 redo if s{//}{/};
1695 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1696 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1697 } 1942 }
1698 1943
1699 $path 1944 $path
1713 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1714 return $self; 1959 return $self;
1715 } 1960 }
1716 } 1961 }
1717 1962
1718 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1719 () 1964 ()
1720} 1965}
1721 1966
1722sub init { 1967sub init {
1723 my ($self) = @_; 1968 my ($self) = @_;
1745 1990
1746# the temporary/swap location 1991# the temporary/swap location
1747sub save_path { 1992sub save_path {
1748 my ($self) = @_; 1993 my ($self) = @_;
1749 1994
1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1751 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1752} 1997}
1753 1998
1754# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1755sub uniq_path { 2000sub uniq_path {
1756 my ($self) = @_; 2001 my ($self) = @_;
1757 2002
1758 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1759 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1760}
1761
1762# and all this just because we cannot iterate over
1763# all maps in C++...
1764sub change_all_map_light {
1765 my ($change) = @_;
1766
1767 $_->change_map_light ($change)
1768 for grep $_->outdoor, values %cf::MAP;
1769} 2005}
1770 2006
1771sub decay_objects { 2007sub decay_objects {
1772 my ($self) = @_; 2008 my ($self) = @_;
1773 2009
1786 2022
1787sub load_header_from($) { 2023sub load_header_from($) {
1788 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1789 2025
1790 utf8::encode $path; 2026 utf8::encode $path;
1791 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1792 # or return;
1793
1794 $self->_load_header ($path)
1795 or return; 2028 or return;
2029
2030 $self->_load_header ($f)
2031 or return;
2032
2033 local $MAP_LOADING{$self->{path}} = $self;
2034 $f->resolve_delayed_derefs;
1796 2035
1797 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1798 2037
1799 1 2038 1
1800} 2039}
1852 2091
1853sub find; 2092sub find;
1854sub find { 2093sub find {
1855 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1856 2095
2096 cf::cede_to_tick;
2097
1857 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1858 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1859 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1860 2102
1861 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1862 my $guard = cf::lock_acquire "map_find:$path";
1863 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1864 or return; 2105 or return;
1865 2106
1866 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1867 2108
1869 or return; 2110 or return;
1870 2111
1871 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1872 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1873 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1874 $map->reset; 2117 $map->reset;
1875 undef $guard;
1876 return find $path; 2118 return find $path;
1877 } 2119 }
1878 2120
1879 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1880 } 2122 }
1881} 2123}
1882 2124
1883sub pre_load { } 2125sub pre_load { }
1884sub post_load { } 2126#sub post_load { } # XS
1885 2127
1886sub load { 2128sub load {
1887 my ($self) = @_; 2129 my ($self) = @_;
1888 2130
1889 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1890 2132
1891 my $path = $self->{path}; 2133 my $path = $self->{path};
1892 2134
1893 { 2135 {
1894 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1895 2137
2138 return unless $self->valid;
1896 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1897 2140
1898 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1899 2142
1900 $self->alloc; 2143 $self->alloc;
1901 2144
1902 $self->pre_load; 2145 $self->pre_load;
1903 Coro::cede; 2146 cf::cede_to_tick;
1904 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1905 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1906 or return; 2151 or return;
1907 2152
1908 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1909 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1910 2155
1911 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1912 utf8::encode $uniq; 2157 utf8::encode $uniq;
1913 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1914 $self->clear_unique_items; 2160 $self->clear_unique_items;
1915 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1916 } 2164 }
1917 } 2165 }
1918 2166
1919 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1920 # now do the right thing for maps 2170 # now do the right thing for maps
1921 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1922 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1923 unless $self->difficulty; 2173 unless $self->difficulty;
1924 Coro::cede; 2174 cf::cede_to_tick;
1925 2175
1926 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1927 $self->decay_objects; 2177 $self->decay_objects;
1928 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1929 $self->update_buttons; 2179 $self->update_buttons;
1930 Coro::cede; 2180 cf::cede_to_tick;
1931 $self->set_darkness_map;
1932 Coro::cede;
1933 $self->activate; 2181 $self->activate;
1934 } 2182 }
1935 2183
1936 $self->{last_save} = $cf::RUNTIME; 2184 $self->{last_save} = $cf::RUNTIME;
1937 $self->last_access ($cf::RUNTIME); 2185 $self->last_access ($cf::RUNTIME);
1938 2186
1939 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1940 } 2188 }
1941 2189
1942 $self->post_load; 2190 $self->post_load;
1943} 2191}
1944 2192
2193# customize the map for a given player, i.e.
2194# return the _real_ map. used by e.g. per-player
2195# maps to change the path to ~playername/mappath
1945sub customise_for { 2196sub customise_for {
1946 my ($self, $ob) = @_; 2197 my ($self, $ob) = @_;
1947 2198
1948 return find "~" . $ob->name . "/" . $self->{path} 2199 return find "~" . $ob->name . "/" . $self->{path}
1949 if $self->per_player; 2200 if $self->per_player;
1953 2204
1954 $self 2205 $self
1955} 2206}
1956 2207
1957# find and load all maps in the 3x3 area around a map 2208# find and load all maps in the 3x3 area around a map
1958sub load_diag { 2209sub load_neighbours {
1959 my ($map) = @_; 2210 my ($map) = @_;
1960 2211
1961 my @diag; # diagonal neighbours 2212 my @neigh; # diagonal neighbours
1962 2213
1963 for (0 .. 3) { 2214 for (0 .. 3) {
1964 my $neigh = $map->tile_path ($_) 2215 my $neigh = $map->tile_path ($_)
1965 or next; 2216 or next;
1966 $neigh = find $neigh, $map 2217 $neigh = find $neigh, $map
1967 or next; 2218 or next;
1968 $neigh->load; 2219 $neigh->load;
1969 2220
2221 # now find the diagonal neighbours
2222 push @neigh,
1970 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2223 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1971 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2224 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1972 } 2225 }
1973 2226
1974 for (@diag) { 2227 for (grep defined $_->[0], @neigh) {
2228 my ($path, $origin) = @$_;
1975 my $neigh = find @$_ 2229 my $neigh = find $path, $origin
1976 or next; 2230 or next;
1977 $neigh->load; 2231 $neigh->load;
1978 } 2232 }
1979} 2233}
1980 2234
1981sub find_sync { 2235sub find_sync {
1982 my ($path, $origin) = @_; 2236 my ($path, $origin) = @_;
1983 2237
1984 cf::sync_job { find $path, $origin } 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 find $path, $origin
1985} 2242}
1986 2243
1987sub do_load_sync { 2244sub do_load_sync {
1988 my ($map) = @_; 2245 my ($map) = @_;
1989 2246
1990 cf::sync_job { $map->load }; 2247 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2248 if $Coro::current == $Coro::main;
2249
2250 $map->load;
1991} 2251}
1992 2252
1993our %MAP_PREFETCH; 2253our %MAP_PREFETCH;
1994our $MAP_PREFETCHER = undef; 2254our $MAP_PREFETCHER = undef;
1995 2255
1996sub find_async { 2256sub find_async {
1997 my ($path, $origin) = @_; 2257 my ($path, $origin, $load) = @_;
1998 2258
1999 $path = normalise $path, $origin && $origin->{path}; 2259 $path = normalise $path, $origin && $origin->{path};
2000 2260
2001 if (my $map = $cf::MAP{$path}) { 2261 if (my $map = $cf::MAP{$path}) {
2002 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2262 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2003 } 2263 }
2004 2264
2005 undef $MAP_PREFETCH{$path}; 2265 $MAP_PREFETCH{$path} |= $load;
2266
2006 $MAP_PREFETCHER ||= cf::async { 2267 $MAP_PREFETCHER ||= cf::async {
2268 $Coro::current->{desc} = "map prefetcher";
2269
2007 while (%MAP_PREFETCH) { 2270 while (%MAP_PREFETCH) {
2008 for my $path (keys %MAP_PREFETCH) { 2271 while (my ($k, $v) = each %MAP_PREFETCH) {
2009 if (my $map = find $path) { 2272 if (my $map = find $k) {
2010 $map->load; 2273 $map->load if $v;
2011 } 2274 }
2012 2275
2013 delete $MAP_PREFETCH{$path}; 2276 delete $MAP_PREFETCH{$k};
2014 } 2277 }
2015 } 2278 }
2016 undef $MAP_PREFETCHER; 2279 undef $MAP_PREFETCHER;
2017 }; 2280 };
2018 $MAP_PREFETCHER->prio (6); 2281 $MAP_PREFETCHER->prio (6);
2019 2282
2020 () 2283 ()
2021} 2284}
2022 2285
2286# common code, used by both ->save and ->swapout
2023sub save { 2287sub _save {
2024 my ($self) = @_; 2288 my ($self) = @_;
2025
2026 my $lock = cf::lock_acquire "map_data:" . $self->path;
2027 2289
2028 $self->{last_save} = $cf::RUNTIME; 2290 $self->{last_save} = $cf::RUNTIME;
2029 2291
2030 return unless $self->dirty; 2292 return unless $self->dirty;
2031 2293
2037 return if $self->{deny_save}; 2299 return if $self->{deny_save};
2038 2300
2039 local $self->{last_access} = $self->last_access;#d# 2301 local $self->{last_access} = $self->last_access;#d#
2040 2302
2041 cf::async { 2303 cf::async {
2304 $Coro::current->{desc} = "map player save";
2042 $_->contr->save for $self->players; 2305 $_->contr->save for $self->players;
2043 }; 2306 };
2307
2308 cf::get_slot 0.02;
2044 2309
2045 if ($uniq) { 2310 if ($uniq) {
2046 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2311 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2047 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2312 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2048 } else { 2313 } else {
2049 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2050 } 2315 }
2051} 2316}
2052 2317
2318sub save {
2319 my ($self) = @_;
2320
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
2323 $self->_save;
2324}
2325
2053sub swap_out { 2326sub swap_out {
2054 my ($self) = @_; 2327 my ($self) = @_;
2055 2328
2056 # save first because save cedes
2057 $self->save;
2058
2059 my $lock = cf::lock_acquire "map_data:" . $self->path; 2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
2060 2330
2331 return if $self->in_memory != cf::MAP_ACTIVE;
2332 return if $self->{deny_save};
2061 return if $self->players; 2333 return if $self->players;
2062 return if $self->in_memory != cf::MAP_IN_MEMORY;
2063 return if $self->{deny_save};
2064 2334
2335 # first deactivate the map and "unlink" it from the core
2336 $self->deactivate;
2337 $_->clear_links_to ($self) for values %cf::MAP;
2338 $self->in_memory (cf::MAP_SWAPPED);
2339
2340 # then atomically save
2341 $self->_save;
2342
2343 # then free the map
2065 $self->clear; 2344 $self->clear;
2066 $self->in_memory (cf::MAP_SWAPPED);
2067} 2345}
2068 2346
2069sub reset_at { 2347sub reset_at {
2070 my ($self) = @_; 2348 my ($self) = @_;
2071 2349
2089 2367
2090 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2368 my $lock = cf::lock_acquire "map_data:$self->{path}";
2091 2369
2092 return if $self->players; 2370 return if $self->players;
2093 2371
2094 warn "resetting map ", $self->path; 2372 cf::trace "resetting map ", $self->path, "\n";
2095 2373
2096 $self->in_memory (cf::MAP_SWAPPED); 2374 $self->in_memory (cf::MAP_SWAPPED);
2097 2375
2098 # need to save uniques path 2376 # need to save uniques path
2099 unless ($self->{deny_save}) { 2377 unless ($self->{deny_save}) {
2103 if $uniq; 2381 if $uniq;
2104 } 2382 }
2105 2383
2106 delete $cf::MAP{$self->path}; 2384 delete $cf::MAP{$self->path};
2107 2385
2386 $self->deactivate;
2387 $_->clear_links_to ($self) for values %cf::MAP;
2108 $self->clear; 2388 $self->clear;
2109
2110 $_->clear_links_to ($self) for values %cf::MAP;
2111 2389
2112 $self->unlink_save; 2390 $self->unlink_save;
2113 $self->destroy; 2391 $self->destroy;
2114} 2392}
2115 2393
2116my $nuke_counter = "aaaa"; 2394my $nuke_counter = "aaaa";
2117 2395
2118sub nuke { 2396sub nuke {
2119 my ($self) = @_; 2397 my ($self) = @_;
2120 2398
2399 {
2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2401
2121 delete $cf::MAP{$self->path}; 2402 delete $cf::MAP{$self->path};
2122 2403
2123 $self->unlink_save; 2404 $self->unlink_save;
2124 2405
2125 bless $self, "cf::map"; 2406 bless $self, "cf::map::wrap";
2126 delete $self->{deny_reset}; 2407 delete $self->{deny_reset};
2127 $self->{deny_save} = 1; 2408 $self->{deny_save} = 1;
2128 $self->reset_timeout (1); 2409 $self->reset_timeout (1);
2129 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2410 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2130 2411
2131 $cf::MAP{$self->path} = $self; 2412 $cf::MAP{$self->path} = $self;
2413 }
2132 2414
2133 $self->reset; # polite request, might not happen 2415 $self->reset; # polite request, might not happen
2134} 2416}
2135 2417
2136=item $maps = cf::map::tmp_maps 2418=item $maps = cf::map::tmp_maps
2178 2460
2179sub unique_maps() { 2461sub unique_maps() {
2180 [ 2462 [
2181 map { 2463 map {
2182 utf8::decode $_; 2464 utf8::decode $_;
2183 /\.map$/ 2465 s/\.map$//; # TODO future compatibility hack
2466 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2467 ? ()
2184 ? normalise $_ 2468 : normalise $_
2185 : ()
2186 } @{ aio_readdir $UNIQUEDIR or [] } 2469 } @{ aio_readdir $UNIQUEDIR or [] }
2187 ] 2470 ]
2188} 2471}
2189 2472
2190package cf; 2473=item cf::map::static_maps
2474
2475Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2476file in the shared directory excluding F</styles> and F</editor>). May
2477block.
2478
2479=cut
2480
2481sub static_maps() {
2482 my @dirs = "";
2483 my @maps;
2484
2485 while (@dirs) {
2486 my $dir = shift @dirs;
2487
2488 next if $dir eq "/styles" || $dir eq "/editor";
2489
2490 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2491 or return;
2492
2493 for (@$files) {
2494 s/\.map$// or next;
2495 utf8::decode $_;
2496 push @maps, "$dir/$_";
2497 }
2498
2499 push @dirs, map "$dir/$_", @$dirs;
2500 }
2501
2502 \@maps
2503}
2191 2504
2192=back 2505=back
2193 2506
2194=head3 cf::object 2507=head3 cf::object
2195 2508
2199 2512
2200=over 4 2513=over 4
2201 2514
2202=item $ob->inv_recursive 2515=item $ob->inv_recursive
2203 2516
2204Returns the inventory of the object _and_ their inventories, recursively. 2517Returns the inventory of the object I<and> their inventories, recursively,
2518but I<not> the object itself.
2205 2519
2206=cut 2520=cut
2207 2521
2208sub inv_recursive_; 2522sub inv_recursive_;
2209sub inv_recursive_ { 2523sub inv_recursive_ {
2212 2526
2213sub inv_recursive { 2527sub inv_recursive {
2214 inv_recursive_ inv $_[0] 2528 inv_recursive_ inv $_[0]
2215} 2529}
2216 2530
2531=item $ref = $ob->ref
2532
2533Creates and returns a persistent reference to an object that can be stored as a string.
2534
2535=item $ob = cf::object::deref ($refstring)
2536
2537returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2538even if the object actually exists. May block.
2539
2540=cut
2541
2542sub deref {
2543 my ($ref) = @_;
2544
2545 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2546 my ($uuid, $name) = ($1, $2);
2547 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2548 or return;
2549 $pl->ob->uuid eq $uuid
2550 or return;
2551
2552 $pl->ob
2553 } else {
2554 warn "$ref: cannot resolve object reference\n";
2555 undef
2556 }
2557}
2558
2217package cf; 2559package cf;
2218 2560
2219=back 2561=back
2220 2562
2221=head3 cf::object::player 2563=head3 cf::object::player
2227Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2569Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2228can be C<undef>. Does the right thing when the player is currently in a 2570can be C<undef>. Does the right thing when the player is currently in a
2229dialogue with the given NPC character. 2571dialogue with the given NPC character.
2230 2572
2231=cut 2573=cut
2574
2575our $SAY_CHANNEL = {
2576 id => "say",
2577 title => "Map",
2578 reply => "say ",
2579 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2580};
2581
2582our $CHAT_CHANNEL = {
2583 id => "chat",
2584 title => "Chat",
2585 reply => "chat ",
2586 tooltip => "Player chat and shouts, global to the server.",
2587};
2232 2588
2233# rough implementation of a future "reply" method that works 2589# rough implementation of a future "reply" method that works
2234# with dialog boxes. 2590# with dialog boxes.
2235#TODO: the first argument must go, split into a $npc->reply_to ( method 2591#TODO: the first argument must go, split into a $npc->reply_to ( method
2236sub cf::object::player::reply($$$;$) { 2592sub cf::object::player::reply($$$;$) {
2248 my $dialog = $pl->{npc_dialog}; 2604 my $dialog = $pl->{npc_dialog};
2249 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2605 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2250 2606
2251 } else { 2607 } else {
2252 $msg = $npc->name . " says: $msg" if $npc; 2608 $msg = $npc->name . " says: $msg" if $npc;
2253 $self->message ($msg, $flags); 2609 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2254 } 2610 }
2255 } 2611 }
2256} 2612}
2257 2613
2258=item $object->send_msg ($channel, $msg, $color, [extra...]) 2614=item $object->send_msg ($channel, $msg, $color, [extra...])
2283 2639
2284=item $player_object->enter_link 2640=item $player_object->enter_link
2285 2641
2286Freezes the player and moves him/her to a special map (C<{link}>). 2642Freezes the player and moves him/her to a special map (C<{link}>).
2287 2643
2288The player should be reasonably safe there for short amounts of time. You 2644The player should be reasonably safe there for short amounts of time (e.g.
2289I<MUST> call C<leave_link> as soon as possible, though. 2645for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2646though, as the player cannot control the character while it is on the link
2647map.
2290 2648
2291Will never block. 2649Will never block.
2292 2650
2293=item $player_object->leave_link ($map, $x, $y) 2651=item $player_object->leave_link ($map, $x, $y)
2294 2652
2314sub cf::object::player::enter_link { 2672sub cf::object::player::enter_link {
2315 my ($self) = @_; 2673 my ($self) = @_;
2316 2674
2317 $self->deactivate_recursive; 2675 $self->deactivate_recursive;
2318 2676
2677 ++$self->{_link_recursion};
2678
2319 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2679 return if UNIVERSAL::isa $self->map, "ext::map_link";
2320 2680
2321 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2322 if $self->map && $self->map->{path} ne "{link}"; 2682 if $self->map && $self->map->{path} ne "{link}";
2323 2683
2324 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2684 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2325} 2685}
2326 2686
2327sub cf::object::player::leave_link { 2687sub cf::object::player::leave_link {
2328 my ($self, $map, $x, $y) = @_; 2688 my ($self, $map, $x, $y) = @_;
2329 2689
2346 ($x, $y) = (-1, -1) 2706 ($x, $y) = (-1, -1)
2347 unless (defined $x) && (defined $y); 2707 unless (defined $x) && (defined $y);
2348 2708
2349 # use -1 or undef as default coordinates, not 0, 0 2709 # use -1 or undef as default coordinates, not 0, 0
2350 ($x, $y) = ($map->enter_x, $map->enter_y) 2710 ($x, $y) = ($map->enter_x, $map->enter_y)
2351 if $x <=0 && $y <= 0; 2711 if $x <= 0 && $y <= 0;
2352 2712
2353 $map->load; 2713 $map->load;
2354 $map->load_diag; 2714 $map->load_neighbours;
2355 2715
2356 return unless $self->contr->active; 2716 return unless $self->contr->active;
2357 $self->activate_recursive;
2358 2717
2359 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2718 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2360 $self->enter_map ($map, $x, $y); 2719 if ($self->enter_map ($map, $x, $y)) {
2361} 2720 # entering was successful
2721 delete $self->{_link_recursion};
2722 # only activate afterwards, to support waiting in hooks
2723 $self->activate_recursive;
2724 }
2362 2725
2726}
2727
2363=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2728=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2364 2729
2365Moves the player to the given map-path and coordinates by first freezing 2730Moves the player to the given map-path and coordinates by first freezing
2366her, loading and preparing them map, calling the provided $check callback 2731her, loading and preparing them map, calling the provided $check callback
2367that has to return the map if sucecssful, and then unfreezes the player on 2732that has to return the map if sucecssful, and then unfreezes the player on
2368the new (success) or old (failed) map position. In either case, $done will 2733the new (success) or old (failed) map position. In either case, $done will
2369be called at the end of this process. 2734be called at the end of this process.
2370 2735
2736Note that $check will be called with a potentially non-loaded map, so if
2737it needs a loaded map it has to call C<< ->load >>.
2738
2371=cut 2739=cut
2372 2740
2373our $GOTOGEN; 2741our $GOTOGEN;
2374 2742
2375sub cf::object::player::goto { 2743sub cf::object::player::goto {
2376 my ($self, $path, $x, $y, $check, $done) = @_; 2744 my ($self, $path, $x, $y, $check, $done) = @_;
2377 2745
2746 if ($self->{_link_recursion} >= $MAX_LINKS) {
2747 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2748 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2749 ($path, $x, $y) = @$EMERGENCY_POSITION;
2750 }
2751
2378 # do generation counting so two concurrent goto's will be executed in-order 2752 # do generation counting so two concurrent goto's will be executed in-order
2379 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2753 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2380 2754
2381 $self->enter_link; 2755 $self->enter_link;
2382 2756
2383 (async { 2757 (async {
2758 $Coro::current->{desc} = "player::goto $path $x $y";
2759
2760 # *tag paths override both path and x|y
2761 if ($path =~ /^\*(.*)$/) {
2762 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2763 my $ob = $obs[rand @obs];
2764
2765 # see if we actually can go there
2766 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2767 $ob = $obs[rand @obs];
2768 } else {
2769 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2770 }
2771 # else put us there anyways for now #d#
2772
2773 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2774 } else {
2775 ($path, $x, $y) = (undef, undef, undef);
2776 }
2777 }
2778
2384 my $map = eval { 2779 my $map = eval {
2385 my $map = cf::map::find $path; 2780 my $map = defined $path ? cf::map::find $path : undef;
2386 2781
2387 if ($map) { 2782 if ($map) {
2388 $map = $map->customise_for ($self); 2783 $map = $map->customise_for ($self);
2389 $map = $check->($map) if $check && $map; 2784 $map = $check->($map, $x, $y, $self) if $check && $map;
2390 } else { 2785 } else {
2391 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2786 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2392 } 2787 }
2393 2788
2394 $map 2789 $map
2395 }; 2790 };
2396 2791
2402 if ($gen == $self->{_goto_generation}) { 2797 if ($gen == $self->{_goto_generation}) {
2403 delete $self->{_goto_generation}; 2798 delete $self->{_goto_generation};
2404 $self->leave_link ($map, $x, $y); 2799 $self->leave_link ($map, $x, $y);
2405 } 2800 }
2406 2801
2407 $done->() if $done; 2802 $done->($self) if $done;
2408 })->prio (1); 2803 })->prio (1);
2409} 2804}
2410 2805
2411=item $player_object->enter_exit ($exit_object) 2806=item $player_object->enter_exit ($exit_object)
2412 2807
2432} 2827}
2433 2828
2434sub prepare_random_map { 2829sub prepare_random_map {
2435 my ($exit) = @_; 2830 my ($exit) = @_;
2436 2831
2437 my $guard = cf::lock_acquire "exit_prepare:$exit";
2438
2439 # all this does is basically replace the /! path by 2832 # all this does is basically replace the /! path by
2440 # a new random map path (?random/...) with a seed 2833 # a new random map path (?random/...) with a seed
2441 # that depends on the exit object 2834 # that depends on the exit object
2442 2835
2443 my $rmp = parse_random_map_params $exit->msg; 2836 my $rmp = parse_random_map_params $exit->msg;
2445 if ($exit->map) { 2838 if ($exit->map) {
2446 $rmp->{region} = $exit->region->name; 2839 $rmp->{region} = $exit->region->name;
2447 $rmp->{origin_map} = $exit->map->path; 2840 $rmp->{origin_map} = $exit->map->path;
2448 $rmp->{origin_x} = $exit->x; 2841 $rmp->{origin_x} = $exit->x;
2449 $rmp->{origin_y} = $exit->y; 2842 $rmp->{origin_y} = $exit->y;
2843
2844 $exit->map->touch;
2450 } 2845 }
2451 2846
2452 $rmp->{random_seed} ||= $exit->random_seed; 2847 $rmp->{random_seed} ||= $exit->random_seed;
2453 2848
2454 my $data = cf::to_json $rmp; 2849 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2455 my $md5 = Digest::MD5::md5_hex $data; 2850 my $md5 = Digest::MD5::md5_hex $data;
2456 my $meta = "$RANDOMDIR/$md5.meta"; 2851 my $meta = "$RANDOMDIR/$md5.meta";
2457 2852
2458 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2459 aio_write $fh, 0, (length $data), $data, 0; 2854 aio_write $fh, 0, (length $data), $data, 0;
2460 undef $fh; 2855 undef $fh;
2461 aio_rename "$meta~", $meta; 2856 aio_rename "$meta~", $meta;
2462 2857
2858 my $slaying = "?random/$md5";
2859
2860 if ($exit->valid) {
2463 $exit->slaying ("?random/$md5"); 2861 $exit->slaying ("?random/$md5");
2464 $exit->msg (undef); 2862 $exit->msg (undef);
2863 }
2465 } 2864 }
2466} 2865}
2467 2866
2468sub cf::object::player::enter_exit { 2867sub cf::object::player::enter_exit {
2469 my ($self, $exit) = @_; 2868 my ($self, $exit) = @_;
2470 2869
2471 return unless $self->type == cf::PLAYER; 2870 return unless $self->type == cf::PLAYER;
2472 2871
2473 if ($exit->slaying eq "/!") {
2474 #TODO: this should de-fi-ni-te-ly not be a sync-job
2475 # the problem is that $exit might not survive long enough
2476 # so it needs to be done right now, right here
2477 cf::sync_job { prepare_random_map $exit };
2478 }
2479
2480 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2481 my $hp = $exit->stats->hp;
2482 my $sp = $exit->stats->sp;
2483
2484 $self->enter_link; 2872 $self->enter_link;
2485 2873
2486 # if exit is damned, update players death & WoR home-position
2487 $self->contr->savebed ($slaying, $hp, $sp)
2488 if $exit->flag (FLAG_DAMNED);
2489
2490 (async { 2874 (async {
2491 $self->deactivate_recursive; # just to be sure 2875 $Coro::current->{desc} = "enter_exit";
2876
2492 unless (eval { 2877 unless (eval {
2878 $self->deactivate_recursive; # just to be sure
2879
2880 # random map handling
2881 {
2882 my $guard = cf::lock_acquire "exit_prepare:$exit";
2883
2884 prepare_random_map $exit
2885 if $exit->slaying eq "/!";
2886 }
2887
2888 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2889 my $x = $exit->stats->hp;
2890 my $y = $exit->stats->sp;
2891
2493 $self->goto ($slaying, $hp, $sp); 2892 $self->goto ($map, $x, $y);
2494 2893
2894 # if exit is damned, update players death & WoR home-position
2895 $self->contr->savebed ($map, $x, $y)
2896 if $exit->flag (cf::FLAG_DAMNED);
2897
2495 1; 2898 1
2496 }) { 2899 }) {
2497 $self->message ("Something went wrong deep within the crossfire server. " 2900 $self->message ("Something went wrong deep within the deliantra server. "
2498 . "I'll try to bring you back to the map you were before. " 2901 . "I'll try to bring you back to the map you were before. "
2499 . "Please report this to the dungeon master!", 2902 . "Please report this to the dungeon master!",
2500 cf::NDI_UNIQUE | cf::NDI_RED); 2903 cf::NDI_UNIQUE | cf::NDI_RED);
2501 2904
2502 warn "ERROR in enter_exit: $@"; 2905 error "ERROR in enter_exit: $@";
2503 $self->leave_link; 2906 $self->leave_link;
2504 } 2907 }
2505 })->prio (1); 2908 })->prio (1);
2506} 2909}
2507 2910
2519sub cf::client::send_drawinfo { 2922sub cf::client::send_drawinfo {
2520 my ($self, $text, $flags) = @_; 2923 my ($self, $text, $flags) = @_;
2521 2924
2522 utf8::encode $text; 2925 utf8::encode $text;
2523 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2926 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2927}
2928
2929=item $client->send_big_packet ($pkt)
2930
2931Like C<send_packet>, but tries to compress large packets, and fragments
2932them as required.
2933
2934=cut
2935
2936our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2937
2938sub cf::client::send_big_packet {
2939 my ($self, $pkt) = @_;
2940
2941 # try lzf for large packets
2942 $pkt = "lzf " . Compress::LZF::compress $pkt
2943 if 1024 <= length $pkt and $self->{can_lzf};
2944
2945 # split very large packets
2946 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2947 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2948 $pkt = "frag";
2949 }
2950
2951 $self->send_packet ($pkt);
2524} 2952}
2525 2953
2526=item $client->send_msg ($channel, $msg, $color, [extra...]) 2954=item $client->send_msg ($channel, $msg, $color, [extra...])
2527 2955
2528Send a drawinfo or msg packet to the client, formatting the msg for the 2956Send a drawinfo or msg packet to the client, formatting the msg for the
2530the message, with C<log> being the default. If C<$color> is negative, suppress 2958the message, with C<log> being the default. If C<$color> is negative, suppress
2531the message unless the client supports the msg packet. 2959the message unless the client supports the msg packet.
2532 2960
2533=cut 2961=cut
2534 2962
2963# non-persistent channels (usually the info channel)
2964our %CHANNEL = (
2965 "c/motd" => {
2966 id => "infobox",
2967 title => "MOTD",
2968 reply => undef,
2969 tooltip => "The message of the day",
2970 },
2971 "c/identify" => {
2972 id => "infobox",
2973 title => "Identify",
2974 reply => undef,
2975 tooltip => "Items recently identified",
2976 },
2977 "c/examine" => {
2978 id => "infobox",
2979 title => "Examine",
2980 reply => undef,
2981 tooltip => "Signs and other items you examined",
2982 },
2983 "c/shopinfo" => {
2984 id => "infobox",
2985 title => "Shop Info",
2986 reply => undef,
2987 tooltip => "What your bargaining skill tells you about the shop",
2988 },
2989 "c/book" => {
2990 id => "infobox",
2991 title => "Book",
2992 reply => undef,
2993 tooltip => "The contents of a note or book",
2994 },
2995 "c/lookat" => {
2996 id => "infobox",
2997 title => "Look",
2998 reply => undef,
2999 tooltip => "What you saw there",
3000 },
3001 "c/who" => {
3002 id => "infobox",
3003 title => "Players",
3004 reply => undef,
3005 tooltip => "Shows players who are currently online",
3006 },
3007 "c/body" => {
3008 id => "infobox",
3009 title => "Body Parts",
3010 reply => undef,
3011 tooltip => "Shows which body parts you posess and are available",
3012 },
3013 "c/statistics" => {
3014 id => "infobox",
3015 title => "Statistics",
3016 reply => undef,
3017 tooltip => "Shows your primary statistics",
3018 },
3019 "c/skills" => {
3020 id => "infobox",
3021 title => "Skills",
3022 reply => undef,
3023 tooltip => "Shows your experience per skill and item power",
3024 },
3025 "c/shopitems" => {
3026 id => "infobox",
3027 title => "Shop Items",
3028 reply => undef,
3029 tooltip => "Shows the items currently for sale in this shop",
3030 },
3031 "c/resistances" => {
3032 id => "infobox",
3033 title => "Resistances",
3034 reply => undef,
3035 tooltip => "Shows your resistances",
3036 },
3037 "c/pets" => {
3038 id => "infobox",
3039 title => "Pets",
3040 reply => undef,
3041 tooltip => "Shows information abotu your pets/a specific pet",
3042 },
3043 "c/perceiveself" => {
3044 id => "infobox",
3045 title => "Perceive Self",
3046 reply => undef,
3047 tooltip => "You gained detailed knowledge about yourself",
3048 },
3049 "c/uptime" => {
3050 id => "infobox",
3051 title => "Uptime",
3052 reply => undef,
3053 tooltip => "How long the server has been running since last restart",
3054 },
3055 "c/mapinfo" => {
3056 id => "infobox",
3057 title => "Map Info",
3058 reply => undef,
3059 tooltip => "Information related to the maps",
3060 },
3061 "c/party" => {
3062 id => "party",
3063 title => "Party",
3064 reply => "gsay ",
3065 tooltip => "Messages and chat related to your party",
3066 },
3067 "c/death" => {
3068 id => "death",
3069 title => "Death",
3070 reply => undef,
3071 tooltip => "Reason for and more info about your most recent death",
3072 },
3073 "c/say" => $SAY_CHANNEL,
3074 "c/chat" => $CHAT_CHANNEL,
3075);
3076
2535sub cf::client::send_msg { 3077sub cf::client::send_msg {
2536 my ($self, $channel, $msg, $color, @extra) = @_; 3078 my ($self, $channel, $msg, $color, @extra) = @_;
2537 3079
2538 $msg = $self->pl->expand_cfpod ($msg); 3080 $msg = $self->pl->expand_cfpod ($msg)
3081 unless $color & cf::NDI_VERBATIM;
2539 3082
2540 $color &= cf::NDI_CLIENT_MASK; # just in case... 3083 $color &= cf::NDI_CLIENT_MASK; # just in case...
2541 3084
3085 # check predefined channels, for the benefit of C
3086 if ($CHANNEL{$channel}) {
3087 $channel = $CHANNEL{$channel};
3088
3089 $self->ext_msg (channel_info => $channel);
3090 $channel = $channel->{id};
3091
2542 if (ref $channel) { 3092 } elsif (ref $channel) {
2543 # send meta info to client, if not yet sent 3093 # send meta info to client, if not yet sent
2544 unless (exists $self->{channel}{$channel->{id}}) { 3094 unless (exists $self->{channel}{$channel->{id}}) {
2545 $self->{channel}{$channel->{id}} = $channel; 3095 $self->{channel}{$channel->{id}} = $channel;
2546 $self->ext_msg (channel_info => $channel); 3096 $self->ext_msg (channel_info => $channel);
2547 } 3097 }
2549 $channel = $channel->{id}; 3099 $channel = $channel->{id};
2550 } 3100 }
2551 3101
2552 return unless @extra || length $msg; 3102 return unless @extra || length $msg;
2553 3103
2554 if ($self->can_msg) {
2555 # default colour, mask it out 3104 # default colour, mask it out
2556 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3105 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2557 if $color & cf::NDI_DEF; 3106 if $color & cf::NDI_DEF;
2558 3107
2559 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3108 my $pkt = "msg "
3109 . $self->{json_coder}->encode (
2560 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3110 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2561 } else { 3111 );
2562 if ($color >= 0) {
2563 # replace some tags by gcfclient-compatible ones
2564 for ($msg) {
2565 1 while
2566 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2567 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2568 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2569 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2570 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2571 }
2572 3112
2573 $color &= cf::NDI_COLOR_MASK; 3113 $self->send_big_packet ($pkt);
2574
2575 utf8::encode $msg;
2576
2577 if (0 && $msg =~ /\[/) {
2578 $self->send_packet ("drawextinfo $color 4 0 $msg")
2579 } else {
2580 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2581 $self->send_packet ("drawinfo $color $msg")
2582 }
2583 }
2584 }
2585} 3114}
2586 3115
2587=item $client->ext_msg ($type, @msg) 3116=item $client->ext_msg ($type, @msg)
2588 3117
2589Sends an ext event to the client. 3118Sends an ext event to the client.
2591=cut 3120=cut
2592 3121
2593sub cf::client::ext_msg($$@) { 3122sub cf::client::ext_msg($$@) {
2594 my ($self, $type, @msg) = @_; 3123 my ($self, $type, @msg) = @_;
2595 3124
2596 my $extcmd = $self->extcmd;
2597
2598 if ($extcmd == 2) { 3125 if ($self->extcmd == 2) {
2599 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3126 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2600 } elsif ($extcmd == 1) { # TODO: remove 3127 } elsif ($self->extcmd == 1) { # TODO: remove
2601 push @msg, msgtype => "event_$type"; 3128 push @msg, msgtype => "event_$type";
2602 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3130 }
3131}
3132
3133=item $client->ext_reply ($msgid, @msg)
3134
3135Sends an ext reply to the client.
3136
3137=cut
3138
3139sub cf::client::ext_reply($$@) {
3140 my ($self, $id, @msg) = @_;
3141
3142 if ($self->extcmd == 2) {
3143 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3144 } elsif ($self->extcmd == 1) {
3145 #TODO: version 1, remove
3146 unshift @msg, msgtype => "reply", msgid => $id;
3147 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2603 } 3148 }
2604} 3149}
2605 3150
2606=item $success = $client->query ($flags, "text", \&cb) 3151=item $success = $client->query ($flags, "text", \&cb)
2607 3152
2668 my ($type, $reply, @payload) = 3213 my ($type, $reply, @payload) =
2669 "ARRAY" eq ref $msg 3214 "ARRAY" eq ref $msg
2670 ? @$msg 3215 ? @$msg
2671 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3216 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2672 3217
3218 my @reply;
3219
2673 if (my $cb = $EXTICMD{$type}) { 3220 if (my $cb = $EXTICMD{$type}) {
2674 my @reply = $cb->($ns, @payload); 3221 @reply = $cb->($ns, @payload);
2675
2676 $ns->ext_reply ($reply, @reply)
2677 if $reply;
2678 } 3222 }
3223
3224 $ns->ext_reply ($reply, @reply)
3225 if $reply;
3226
2679 } else { 3227 } else {
2680 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3228 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2681 } 3229 }
2682 3230
2683 cf::override; 3231 cf::override;
2684 }, 3232 },
2685); 3233);
2705 3253
2706 $coro 3254 $coro
2707} 3255}
2708 3256
2709cf::client->attach ( 3257cf::client->attach (
2710 on_destroy => sub { 3258 on_client_destroy => sub {
2711 my ($ns) = @_; 3259 my ($ns) = @_;
2712 3260
2713 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3261 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2714 }, 3262 },
2715); 3263);
2731our $safe_hole = new Safe::Hole; 3279our $safe_hole = new Safe::Hole;
2732 3280
2733$SIG{FPE} = 'IGNORE'; 3281$SIG{FPE} = 'IGNORE';
2734 3282
2735$safe->permit_only (Opcode::opset qw( 3283$safe->permit_only (Opcode::opset qw(
2736 :base_core :base_mem :base_orig :base_math 3284 :base_core :base_mem :base_orig :base_math :base_loop
2737 grepstart grepwhile mapstart mapwhile 3285 grepstart grepwhile mapstart mapwhile
2738 sort time 3286 sort time
2739)); 3287));
2740 3288
2741# here we export the classes and methods available to script code 3289# here we export the classes and methods available to script code
2743=pod 3291=pod
2744 3292
2745The following functions and methods are available within a safe environment: 3293The following functions and methods are available within a safe environment:
2746 3294
2747 cf::object 3295 cf::object
2748 contr pay_amount pay_player map x y force_find force_add 3296 contr pay_amount pay_player map x y force_find force_add destroy
2749 insert remove 3297 insert remove name archname title slaying race decrease split
3298 value
2750 3299
2751 cf::object::player 3300 cf::object::player
2752 player 3301 player
2753 3302
2754 cf::player 3303 cf::player
2759 3308
2760=cut 3309=cut
2761 3310
2762for ( 3311for (
2763 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3312 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2764 insert remove inv)], 3313 insert remove inv nrof name archname title slaying race
3314 decrease split destroy change_exp value msg lore send_msg)],
2765 ["cf::object::player" => qw(player)], 3315 ["cf::object::player" => qw(player)],
2766 ["cf::player" => qw(peaceful)], 3316 ["cf::player" => qw(peaceful send_msg)],
2767 ["cf::map" => qw(trigger)], 3317 ["cf::map" => qw(trigger)],
2768) { 3318) {
2769 no strict 'refs';
2770 my ($pkg, @funs) = @$_; 3319 my ($pkg, @funs) = @$_;
2771 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3320 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2772 for @funs; 3321 for @funs;
2773} 3322}
2774 3323
2789 3338
2790 my $qcode = $code; 3339 my $qcode = $code;
2791 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3340 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2792 $qcode =~ s/\n/\\n/g; 3341 $qcode =~ s/\n/\\n/g;
2793 3342
3343 %vars = (_dummy => 0) unless %vars;
3344
3345 my @res;
2794 local $_; 3346 local $_;
2795 local @safe::cf::_safe_eval_args = values %vars;
2796 3347
2797 my $eval = 3348 my $eval =
2798 "do {\n" 3349 "do {\n"
2799 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3350 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2800 . "#line 0 \"{$qcode}\"\n" 3351 . "#line 0 \"{$qcode}\"\n"
2801 . $code 3352 . $code
2802 . "\n}" 3353 . "\n}"
2803 ; 3354 ;
2804 3355
3356 if ($CFG{safe_eval}) {
2805 sub_generation_inc; 3357 sub_generation_inc;
3358 local @safe::cf::_safe_eval_args = values %vars;
2806 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3359 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2807 sub_generation_inc; 3360 sub_generation_inc;
3361 } else {
3362 local @cf::_safe_eval_args = values %vars;
3363 @res = wantarray ? eval eval : scalar eval $eval;
3364 }
2808 3365
2809 if ($@) { 3366 if ($@) {
2810 warn "$@"; 3367 warn "$@",
2811 warn "while executing safe code '$code'\n"; 3368 "while executing safe code '$code'\n",
2812 warn "with arguments " . (join " ", %vars) . "\n"; 3369 "with arguments " . (join " ", %vars) . "\n";
2813 } 3370 }
2814 3371
2815 wantarray ? @res : $res[0] 3372 wantarray ? @res : $res[0]
2816} 3373}
2817 3374
2831=cut 3388=cut
2832 3389
2833sub register_script_function { 3390sub register_script_function {
2834 my ($fun, $cb) = @_; 3391 my ($fun, $cb) = @_;
2835 3392
2836 no strict 'refs'; 3393 $fun = "safe::$fun" if $CFG{safe_eval};
2837 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3394 *$fun = $safe_hole->wrap ($cb);
2838} 3395}
2839 3396
2840=back 3397=back
2841 3398
2842=cut 3399=cut
2845# the server's init and main functions 3402# the server's init and main functions
2846 3403
2847sub load_facedata($) { 3404sub load_facedata($) {
2848 my ($path) = @_; 3405 my ($path) = @_;
2849 3406
3407 # HACK to clear player env face cache, we need some signal framework
3408 # for this (global event?)
3409 %ext::player_env::MUSIC_FACE_CACHE = ();
3410
3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3412
2850 warn "loading facedata from $path\n"; 3413 trace "loading facedata from $path\n";
2851 3414
2852 my $facedata;
2853 0 < aio_load $path, $facedata 3415 0 < aio_load $path, my $facedata
2854 or die "$path: $!"; 3416 or die "$path: $!";
2855 3417
2856 $facedata = Coro::Storable::thaw $facedata; 3418 $facedata = Coro::Storable::thaw $facedata;
2857 3419
2858 $facedata->{version} == 2 3420 $facedata->{version} == 2
2859 or cf::cleanup "$path: version mismatch, cannot proceed."; 3421 or cf::cleanup "$path: version mismatch, cannot proceed.";
2860 3422
3423 # patch in the exptable
3424 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3425 $facedata->{resource}{"res/exp_table"} = {
3426 type => FT_RSRC,
3427 data => $exp_table,
3428 hash => (Digest::MD5::md5 $exp_table),
3429 };
3430 cf::cede_to_tick;
3431
2861 { 3432 {
2862 my $faces = $facedata->{faceinfo}; 3433 my $faces = $facedata->{faceinfo};
2863 3434
2864 while (my ($face, $info) = each %$faces) { 3435 while (my ($face, $info) = each %$faces) {
2865 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3436 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3437
2866 cf::face::set_visibility $idx, $info->{visibility}; 3438 cf::face::set_visibility $idx, $info->{visibility};
2867 cf::face::set_magicmap $idx, $info->{magicmap}; 3439 cf::face::set_magicmap $idx, $info->{magicmap};
2868 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3440 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2869 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3441 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2870 3442
2871 cf::cede_to_tick; 3443 cf::cede_to_tick;
2872 } 3444 }
2873 3445
2874 while (my ($face, $info) = each %$faces) { 3446 while (my ($face, $info) = each %$faces) {
2875 next unless $info->{smooth}; 3447 next unless $info->{smooth};
3448
2876 my $idx = cf::face::find $face 3449 my $idx = cf::face::find $face
2877 or next; 3450 or next;
3451
2878 if (my $smooth = cf::face::find $info->{smooth}) { 3452 if (my $smooth = cf::face::find $info->{smooth}) {
2879 cf::face::set_smooth $idx, $smooth; 3453 cf::face::set_smooth $idx, $smooth;
2880 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3454 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2881 } else { 3455 } else {
2882 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3456 error "smooth face '$info->{smooth}' not found for face '$face'";
2883 } 3457 }
2884 3458
2885 cf::cede_to_tick; 3459 cf::cede_to_tick;
2886 } 3460 }
2887 } 3461 }
2896 3470
2897 cf::anim::invalidate_all; # d'oh 3471 cf::anim::invalidate_all; # d'oh
2898 } 3472 }
2899 3473
2900 { 3474 {
2901 # TODO: for gcfclient pleasure, we should give resources
2902 # that gcfclient doesn't grok a >10000 face index.
2903 my $res = $facedata->{resource}; 3475 my $res = $facedata->{resource};
2904 my $enc = JSON::XS->new->utf8->canonical;
2905
2906 my $soundconf = delete $res->{"res/sound.conf"};
2907 3476
2908 while (my ($name, $info) = each %$res) { 3477 while (my ($name, $info) = each %$res) {
2909 my $meta = $enc->encode ({ 3478 if (defined $info->{type}) {
2910 name => $name,
2911 %{ $info->{meta} || {} },
2912 });
2913
2914 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3479 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2915 3480
2916 if ($info->{type} & 1) {
2917 # prepend meta info
2918
2919 my $data = pack "(w/a*)*", $meta, $info->{data};
2920 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2921
2922 cf::face::set_data $idx, 0, $data, $chk; 3481 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3482 cf::face::set_type $idx, $info->{type};
2923 } else { 3483 } else {
2924 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3484 $RESOURCE{$name} = $info; # unused
2925 } 3485 }
2926 3486
2927 cf::face::set_type $idx, $info->{type};
2928
2929 cf::cede_to_tick; 3487 cf::cede_to_tick;
2930 } 3488 }
2931
2932 if ($soundconf) {
2933 $soundconf = $enc->decode (delete $soundconf->{data});
2934
2935 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2936 my $sound = $soundconf->{compat}[$_]
2937 or next;
2938
2939 my $face = cf::face::find "sound/$sound->[1]";
2940 cf::sound::set $sound->[0] => $face;
2941 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2942 }
2943
2944 while (my ($k, $v) = each %{$soundconf->{event}}) {
2945 my $face = cf::face::find "sound/$v";
2946 cf::sound::set $k => $face;
2947 }
2948 }
2949 } 3489 }
3490
3491 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2950 3492
2951 1 3493 1
2952} 3494}
2953 3495
2954register_exticmd fx_want => sub { 3496register_exticmd fx_want => sub {
2957 while (my ($k, $v) = each %$want) { 3499 while (my ($k, $v) = each %$want) {
2958 $ns->fx_want ($k, $v); 3500 $ns->fx_want ($k, $v);
2959 } 3501 }
2960}; 3502};
2961 3503
3504sub load_resource_file($) {
3505 my $guard = lock_acquire "load_resource_file";
3506
3507 my $status = load_resource_file_ $_[0];
3508 get_slot 0.1, 100;
3509 cf::arch::commit_load;
3510
3511 $status
3512}
3513
2962sub reload_regions { 3514sub reload_regions {
3515 # HACK to clear player env face cache, we need some signal framework
3516 # for this (global event?)
3517 %ext::player_env::MUSIC_FACE_CACHE = ();
3518
2963 load_resource_file "$MAPDIR/regions" 3519 load_resource_file "$MAPDIR/regions"
2964 or die "unable to load regions file\n"; 3520 or die "unable to load regions file\n";
2965 3521
2966 for (cf::region::list) { 3522 for (cf::region::list) {
2967 $_->{match} = qr/$_->{match}/ 3523 $_->{match} = qr/$_->{match}/
2975} 3531}
2976 3532
2977sub reload_archetypes { 3533sub reload_archetypes {
2978 load_resource_file "$DATADIR/archetypes" 3534 load_resource_file "$DATADIR/archetypes"
2979 or die "unable to load archetypes\n"; 3535 or die "unable to load archetypes\n";
2980 #d# NEED to laod twice to resolve forward references
2981 # this really needs to be done in an extra post-pass
2982 # (which needs to be synchronous, so solve it differently)
2983 load_resource_file "$DATADIR/archetypes"
2984 or die "unable to load archetypes\n";
2985} 3536}
2986 3537
2987sub reload_treasures { 3538sub reload_treasures {
2988 load_resource_file "$DATADIR/treasures" 3539 load_resource_file "$DATADIR/treasures"
2989 or die "unable to load treasurelists\n"; 3540 or die "unable to load treasurelists\n";
2990} 3541}
2991 3542
3543sub reload_sound {
3544 trace "loading sound config from $DATADIR/sound\n";
3545
3546 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3547 or die "$DATADIR/sound $!";
3548
3549 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3550
3551 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3552 my $sound = $soundconf->{compat}[$_]
3553 or next;
3554
3555 my $face = cf::face::find "sound/$sound->[1]";
3556 cf::sound::set $sound->[0] => $face;
3557 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3558 }
3559
3560 while (my ($k, $v) = each %{$soundconf->{event}}) {
3561 my $face = cf::face::find "sound/$v";
3562 cf::sound::set $k => $face;
3563 }
3564}
3565
2992sub reload_resources { 3566sub reload_resources {
2993 warn "reloading resource files...\n"; 3567 trace "reloading resource files...\n";
2994 3568
3569 reload_exp_table;
3570 reload_materials;
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2995 reload_regions; 3574 reload_regions;
2996 reload_facedata;
2997 #reload_archetypes;#d#
2998 reload_archetypes;
2999 reload_treasures; 3575 reload_treasures;
3000 3576
3001 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
3002} 3578}
3003 3579
3004sub init { 3580sub reload_config {
3005 reload_resources; 3581 trace "reloading config file...\n";
3006}
3007 3582
3008sub cfg_load { 3583 0 < aio_load "$CONFDIR/config", my $config
3009 open my $fh, "<:utf8", "$CONFDIR/config" 3584 or die "$CONFDIR/config: $!";
3010 or return;
3011 3585
3012 local $/; 3586 utf8::decode $config;
3013 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = yaml_load $config;
3014 3588
3015 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3016 3590
3017 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3018 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3019 3593
3020 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
3024 }; 3598 };
3025 warn $@ if $@; 3599 warn $@ if $@;
3026 } 3600 }
3027} 3601}
3028 3602
3603sub pidfile() {
3604 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3605 or die "$PIDFILE: $!";
3606 flock $fh, &Fcntl::LOCK_EX
3607 or die "$PIDFILE: flock: $!";
3608 $fh
3609}
3610
3611# make sure only one server instance is running at any one time
3612sub atomic {
3613 my $fh = pidfile;
3614
3615 my $pid = <$fh>;
3616 kill 9, $pid if $pid > 0;
3617
3618 seek $fh, 0, 0;
3619 print $fh $$;
3620}
3621
3622sub main_loop {
3623 trace "EV::loop starting\n";
3624 if (1) {
3625 EV::loop;
3626 }
3627 trace "EV::loop returned\n";
3628 goto &main_loop unless $REALLY_UNLOOP;
3629}
3630
3029sub main { 3631sub main {
3632 cf::init_globals; # initialise logging
3633
3634 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3635 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3636 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3637 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3638
3639 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3640
3030 # we must not ever block the main coroutine 3641 # we must not ever block the main coroutine
3031 local $Coro::idle = sub { 3642 local $Coro::idle = sub {
3032 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3643 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3033 (async { 3644 (async {
3034 Event::one_event; 3645 $Coro::current->{desc} = "IDLE BUG HANDLER";
3646 EV::loop EV::LOOP_ONESHOT;
3035 })->prio (Coro::PRIO_MAX); 3647 })->prio (Coro::PRIO_MAX);
3036 }; 3648 };
3037 3649
3038 cfg_load; 3650 evthread_start IO::AIO::poll_fileno;
3651
3652 cf::sync_job {
3653 cf::incloader::init ();
3654
3655 cf::init_anim;
3656 cf::init_attackmess;
3657 cf::init_dynamic;
3658
3659 cf::load_settings;
3660
3661 reload_resources;
3662 reload_config;
3039 db_init; 3663 db_init;
3664
3665 cf::init_uuid;
3666 cf::init_signals;
3667 cf::init_skills;
3668
3669 cf::init_beforeplay;
3670
3671 atomic;
3672
3040 load_extensions; 3673 load_extensions;
3041 3674
3042 $TICK_WATCHER->start; 3675 utime time, time, $RUNTIMEFILE;
3043 Event::loop; 3676
3677 # no (long-running) fork's whatsoever before this point(!)
3678 use POSIX ();
3679 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3680
3681 cf::_post_init 0;
3682 };
3683
3684 cf::object::thawer::errors_are_fatal 0;
3685 info "parse errors in files are no longer fatal from this point on.\n";
3686
3687 my $free_main; $free_main = EV::idle sub {
3688 undef $free_main;
3689 undef &main; # free gobs of memory :)
3690 };
3691
3692 goto &main_loop;
3044} 3693}
3045 3694
3046############################################################################# 3695#############################################################################
3047# initialisation and cleanup 3696# initialisation and cleanup
3048 3697
3049# install some emergency cleanup handlers 3698# install some emergency cleanup handlers
3050BEGIN { 3699BEGIN {
3700 our %SIGWATCHER = ();
3051 for my $signal (qw(INT HUP TERM)) { 3701 for my $signal (qw(INT HUP TERM)) {
3052 Event->signal ( 3702 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3053 reentrant => 0,
3054 data => WF_AUTOCANCEL,
3055 signal => $signal,
3056 prio => 0,
3057 cb => sub {
3058 cf::cleanup "SIG$signal"; 3703 cf::cleanup "SIG$signal";
3059 },
3060 ); 3704 };
3061 } 3705 }
3062} 3706}
3063 3707
3064sub write_runtime { 3708sub write_runtime_sync {
3065 my $runtime = "$LOCALDIR/runtime"; 3709 my $t0 = AE::time;
3066 3710
3067 # first touch the runtime file to show we are still running: 3711 # first touch the runtime file to show we are still running:
3068 # the fsync below can take a very very long time. 3712 # the fsync below can take a very very long time.
3069 3713
3070 IO::AIO::aio_utime $runtime, undef, undef; 3714 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3071 3715
3072 my $guard = cf::lock_acquire "write_runtime"; 3716 my $guard = cf::lock_acquire "write_runtime";
3073 3717
3074 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3718 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3075 or return; 3719 or return;
3076 3720
3077 my $value = $cf::RUNTIME + 90 + 10; 3721 my $value = $cf::RUNTIME + 90 + 10;
3078 # 10 is the runtime save interval, for a monotonic clock 3722 # 10 is the runtime save interval, for a monotonic clock
3079 # 60 allows for the watchdog to kill the server. 3723 # 60 allows for the watchdog to kill the server.
3089 aio_utime $fh, undef, undef; 3733 aio_utime $fh, undef, undef;
3090 3734
3091 close $fh 3735 close $fh
3092 or return; 3736 or return;
3093 3737
3094 aio_rename "$runtime~", $runtime 3738 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3095 and return; 3739 and return;
3096 3740
3097 warn "runtime file written.\n"; 3741 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3098 3742
3099 1 3743 1
3744}
3745
3746our $uuid_lock;
3747our $uuid_skip;
3748
3749sub write_uuid_sync($) {
3750 $uuid_skip ||= $_[0];
3751
3752 return if $uuid_lock;
3753 local $uuid_lock = 1;
3754
3755 my $uuid = "$LOCALDIR/uuid";
3756
3757 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3758 or return;
3759
3760 my $value = uuid_seq uuid_cur;
3761
3762 unless ($value) {
3763 info "cowardly refusing to write zero uuid value!\n";
3764 return;
3765 }
3766
3767 my $value = uuid_str $value + $uuid_skip;
3768 $uuid_skip = 0;
3769
3770 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3771 and return;
3772
3773 # always fsync - this file is important
3774 aio_fsync $fh
3775 and return;
3776
3777 close $fh
3778 or return;
3779
3780 aio_rename "$uuid~", $uuid
3781 and return;
3782
3783 trace "uuid file written ($value).\n";
3784
3785 1
3786
3787}
3788
3789sub write_uuid($$) {
3790 my ($skip, $sync) = @_;
3791
3792 $sync ? write_uuid_sync $skip
3793 : async { write_uuid_sync $skip };
3100} 3794}
3101 3795
3102sub emergency_save() { 3796sub emergency_save() {
3103 my $freeze_guard = cf::freeze_mainloop; 3797 my $freeze_guard = cf::freeze_mainloop;
3104 3798
3105 warn "enter emergency perl save\n"; 3799 info "emergency_perl_save: enter\n";
3800
3801 # this is a trade-off: we want to be very quick here, so
3802 # save all maps without fsync, and later call a global sync
3803 # (which in turn might be very very slow)
3804 local $USE_FSYNC = 0;
3106 3805
3107 cf::sync_job { 3806 cf::sync_job {
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
3108 # use a peculiar iteration method to avoid tripping on perl 3809 # use a peculiar iteration method to avoid tripping on perl
3109 # refcount bugs in for. also avoids problems with players 3810 # refcount bugs in for. also avoids problems with players
3110 # and maps saved/destroyed asynchronously. 3811 # and maps saved/destroyed asynchronously.
3111 warn "begin emergency player save\n"; 3812 info "emergency_perl_save: begin player save\n";
3112 for my $login (keys %cf::PLAYER) { 3813 for my $login (keys %cf::PLAYER) {
3113 my $pl = $cf::PLAYER{$login} or next; 3814 my $pl = $cf::PLAYER{$login} or next;
3114 $pl->valid or next; 3815 $pl->valid or next;
3816 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3115 $pl->save; 3817 $pl->save;
3116 } 3818 }
3117 warn "end emergency player save\n"; 3819 info "emergency_perl_save: end player save\n";
3118 3820
3119 warn "begin emergency map save\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin map save\n";
3120 for my $path (keys %cf::MAP) { 3824 for my $path (keys %cf::MAP) {
3121 my $map = $cf::MAP{$path} or next; 3825 my $map = $cf::MAP{$path} or next;
3122 $map->valid or next; 3826 $map->valid or next;
3123 $map->save; 3827 $map->save;
3124 } 3828 }
3125 warn "end emergency map save\n"; 3829 info "emergency_perl_save: end map save\n";
3126 3830
3127 warn "begin emergency database checkpoint\n"; 3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 info "emergency_perl_save: begin database checkpoint\n";
3128 BDB::db_env_txn_checkpoint $DB_ENV; 3834 BDB::db_env_txn_checkpoint $DB_ENV;
3129 warn "end emergency database checkpoint\n"; 3835 info "emergency_perl_save: end database checkpoint\n";
3836
3837 info "emergency_perl_save: begin write uuid\n";
3838 write_uuid_sync 1;
3839 info "emergency_perl_save: end write uuid\n";
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: syncing database to disk";
3844 BDB::db_env_txn_checkpoint $DB_ENV;
3845
3846 info "emergency_perl_save: starting sync\n";
3847 IO::AIO::aio_sync sub {
3848 info "emergency_perl_save: finished sync\n";
3849 };
3850
3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 trace "emergency_perl_save: flushing outstanding aio requests";
3854 while (IO::AIO::nreqs || BDB::nreqs) {
3855 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3856 }
3857
3858 cf::write_runtime_sync; # external watchdog should not bark
3130 }; 3859 };
3131 3860
3132 warn "leave emergency perl save\n"; 3861 info "emergency_perl_save: leave\n";
3133} 3862}
3134 3863
3135sub post_cleanup { 3864sub post_cleanup {
3136 my ($make_core) = @_; 3865 my ($make_core) = @_;
3137 3866
3867 IO::AIO::flush;
3868
3138 warn Carp::longmess "post_cleanup backtrace" 3869 error Carp::longmess "post_cleanup backtrace"
3139 if $make_core; 3870 if $make_core;
3871
3872 my $fh = pidfile;
3873 unlink $PIDFILE if <$fh> == $$;
3874}
3875
3876# a safer delete_package, copied from Symbol
3877sub clear_package($) {
3878 my $pkg = shift;
3879
3880 # expand to full symbol table name if needed
3881 unless ($pkg =~ /^main::.*::$/) {
3882 $pkg = "main$pkg" if $pkg =~ /^::/;
3883 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3884 $pkg .= '::' unless $pkg =~ /::$/;
3885 }
3886
3887 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3888 my $stem_symtab = *{$stem}{HASH};
3889
3890 defined $stem_symtab and exists $stem_symtab->{$leaf}
3891 or return;
3892
3893 # clear all symbols
3894 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3895 for my $name (keys %$leaf_symtab) {
3896 _gv_clear *{"$pkg$name"};
3897# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3898 }
3140} 3899}
3141 3900
3142sub do_reload_perl() { 3901sub do_reload_perl() {
3143 # can/must only be called in main 3902 # can/must only be called in main
3144 if ($Coro::current != $Coro::main) { 3903 unless (in_main) {
3145 warn "can only reload from main coroutine"; 3904 error "can only reload from main coroutine";
3146 return; 3905 return;
3147 } 3906 }
3148 3907
3149 warn "reloading..."; 3908 return if $RELOAD++;
3150 3909
3151 warn "entering sync_job"; 3910 my $t1 = AE::time;
3152 3911
3912 while ($RELOAD) {
3913 cf::get_slot 0.1, -1, "reload_perl";
3914 info "perl_reload: reloading...";
3915
3916 trace "perl_reload: entering sync_job";
3917
3153 cf::sync_job { 3918 cf::sync_job {
3154 cf::write_runtime; # external watchdog should not bark
3155 cf::emergency_save; 3919 #cf::emergency_save;
3156 cf::write_runtime; # external watchdog should not bark
3157 3920
3158 warn "syncing database to disk";
3159 BDB::db_env_txn_checkpoint $DB_ENV;
3160
3161 # if anything goes wrong in here, we should simply crash as we already saved
3162
3163 warn "cancelling all WF_AUTOCANCEL watchers";
3164 for (Event::all_watchers) {
3165 $_->cancel if $_->data & WF_AUTOCANCEL;
3166 }
3167
3168 warn "flushing outstanding aio requests";
3169 for (;;) {
3170 BDB::flush;
3171 IO::AIO::flush;
3172 Coro::cede;
3173 last unless IO::AIO::nreqs || BDB::nreqs;
3174 warn "iterate...";
3175 }
3176
3177 ++$RELOAD;
3178
3179 warn "cancelling all extension coros"; 3921 trace "perl_reload: cancelling all extension coros";
3180 $_->cancel for values %EXT_CORO; 3922 $_->cancel for values %EXT_CORO;
3181 %EXT_CORO = (); 3923 %EXT_CORO = ();
3182 3924
3183 warn "removing commands"; 3925 trace "perl_reload: removing commands";
3184 %COMMAND = (); 3926 %COMMAND = ();
3185 3927
3186 warn "removing ext/exti commands"; 3928 trace "perl_reload: removing ext/exti commands";
3187 %EXTCMD = (); 3929 %EXTCMD = ();
3188 %EXTICMD = (); 3930 %EXTICMD = ();
3189 3931
3190 warn "unloading/nuking all extensions"; 3932 trace "perl_reload: unloading/nuking all extensions";
3191 for my $pkg (@EXTS) { 3933 for my $pkg (@EXTS) {
3192 warn "... unloading $pkg"; 3934 trace "... unloading $pkg";
3193 3935
3194 if (my $cb = $pkg->can ("unload")) { 3936 if (my $cb = $pkg->can ("unload")) {
3195 eval { 3937 eval {
3196 $cb->($pkg); 3938 $cb->($pkg);
3197 1 3939 1
3198 } or warn "$pkg unloaded, but with errors: $@"; 3940 } or error "$pkg unloaded, but with errors: $@";
3941 }
3942
3943 trace "... clearing $pkg";
3944 clear_package $pkg;
3199 } 3945 }
3200 3946
3201 warn "... nuking $pkg";
3202 Symbol::delete_package $pkg;
3203 }
3204
3205 warn "unloading all perl modules loaded from $LIBDIR"; 3947 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3206 while (my ($k, $v) = each %INC) { 3948 while (my ($k, $v) = each %INC) {
3207 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3949 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3208 3950
3209 warn "... unloading $k"; 3951 trace "... unloading $k";
3210 delete $INC{$k}; 3952 delete $INC{$k};
3211 3953
3212 $k =~ s/\.pm$//; 3954 $k =~ s/\.pm$//;
3213 $k =~ s/\//::/g; 3955 $k =~ s/\//::/g;
3214 3956
3215 if (my $cb = $k->can ("unload_module")) { 3957 if (my $cb = $k->can ("unload_module")) {
3216 $cb->(); 3958 $cb->();
3959 }
3960
3961 clear_package $k;
3217 } 3962 }
3218 3963
3219 Symbol::delete_package $k;
3220 }
3221
3222 warn "getting rid of safe::, as good as possible"; 3964 trace "perl_reload: getting rid of safe::, as good as possible";
3223 Symbol::delete_package "safe::$_" 3965 clear_package "safe::$_"
3224 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3966 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3225 3967
3226 warn "unloading cf.pm \"a bit\""; 3968 trace "perl_reload: unloading cf.pm \"a bit\"";
3227 delete $INC{"cf.pm"}; 3969 delete $INC{"cf.pm"};
3228 delete $INC{"cf/pod.pm"}; 3970 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3229 3971
3230 # don't, removes xs symbols, too, 3972 # don't, removes xs symbols, too,
3231 # and global variables created in xs 3973 # and global variables created in xs
3232 #Symbol::delete_package __PACKAGE__; 3974 #clear_package __PACKAGE__;
3233 3975
3234 warn "unload completed, starting to reload now"; 3976 info "perl_reload: unload completed, starting to reload now";
3235 3977
3236 warn "reloading cf.pm"; 3978 trace "perl_reload: reloading cf.pm";
3237 require cf; 3979 require cf;
3238 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3980 cf::_connect_to_perl_1;
3239 3981
3240 warn "loading config and database again"; 3982 trace "perl_reload: loading config and database again";
3241 cf::cfg_load; 3983 cf::reload_config;
3242 3984
3243 warn "loading extensions"; 3985 trace "perl_reload: loading extensions";
3244 cf::load_extensions; 3986 cf::load_extensions;
3245 3987
3988 if ($REATTACH_ON_RELOAD) {
3246 warn "reattaching attachments to objects/players"; 3989 trace "perl_reload: reattaching attachments to objects/players";
3247 _global_reattach; # objects, sockets 3990 _global_reattach; # objects, sockets
3248 warn "reattaching attachments to maps"; 3991 trace "perl_reload: reattaching attachments to maps";
3249 reattach $_ for values %MAP; 3992 reattach $_ for values %MAP;
3250 warn "reattaching attachments to players"; 3993 trace "perl_reload: reattaching attachments to players";
3251 reattach $_ for values %PLAYER; 3994 reattach $_ for values %PLAYER;
3995 }
3252 3996
3253 warn "leaving sync_job"; 3997 cf::_post_init 1;
3254 3998
3999 trace "perl_reload: leaving sync_job";
4000
3255 1 4001 1
3256 } or do { 4002 } or do {
3257 warn $@; 4003 error $@;
3258 warn "error while reloading, exiting."; 4004 cf::cleanup "perl_reload: error, exiting.";
3259 exit 1; 4005 };
4006
4007 --$RELOAD;
3260 }; 4008 }
3261 4009
3262 warn "reloaded"; 4010 $t1 = AE::time - $t1;
4011 info "perl_reload: completed in ${t1}s\n";
3263}; 4012};
3264 4013
3265our $RELOAD_WATCHER; # used only during reload 4014our $RELOAD_WATCHER; # used only during reload
3266 4015
3267sub reload_perl() { 4016sub reload_perl() {
3268 # doing reload synchronously and two reloads happen back-to-back, 4017 # doing reload synchronously and two reloads happen back-to-back,
3269 # coro crashes during coro_state_free->destroy here. 4018 # coro crashes during coro_state_free->destroy here.
3270 4019
3271 $RELOAD_WATCHER ||= Event->timer ( 4020 $RELOAD_WATCHER ||= cf::async {
3272 reentrant => 0, 4021 Coro::AIO::aio_wait cache_extensions;
3273 after => 0, 4022
3274 data => WF_AUTOCANCEL, 4023 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3275 cb => sub {
3276 do_reload_perl; 4024 do_reload_perl;
3277 undef $RELOAD_WATCHER; 4025 undef $RELOAD_WATCHER;
3278 }, 4026 };
3279 ); 4027 };
3280} 4028}
3281 4029
3282register_command "reload" => sub { 4030register_command "reload" => sub {
3283 my ($who, $arg) = @_; 4031 my ($who, $arg) = @_;
3284 4032
3285 if ($who->flag (FLAG_WIZ)) { 4033 if ($who->flag (FLAG_WIZ)) {
3286 $who->message ("reloading server."); 4034 $who->message ("reloading server.");
4035 async {
4036 $Coro::current->{desc} = "perl_reload";
3287 async { reload_perl }; 4037 reload_perl;
4038 };
3288 } 4039 }
3289}; 4040};
3290 4041
3291unshift @INC, $LIBDIR; 4042#############################################################################
3292 4043
3293my $bug_warning = 0; 4044my $bug_warning = 0;
3294 4045
3295our @WAIT_FOR_TICK; 4046our @WAIT_FOR_TICK;
3296our @WAIT_FOR_TICK_BEGIN; 4047our @WAIT_FOR_TICK_BEGIN;
3297 4048
3298sub wait_for_tick { 4049sub wait_for_tick() {
3299 return unless $TICK_WATCHER->is_active;
3300 return if $Coro::current == $Coro::main; 4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3301 4051
3302 my $signal = new Coro::Signal; 4052 my $signal = new Coro::Signal;
3303 push @WAIT_FOR_TICK, $signal; 4053 push @WAIT_FOR_TICK, $signal;
3304 $signal->wait; 4054 $signal->wait;
3305} 4055}
3306 4056
3307sub wait_for_tick_begin { 4057sub wait_for_tick_begin() {
3308 return unless $TICK_WATCHER->is_active;
3309 return if $Coro::current == $Coro::main; 4058 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3310 4059
3311 my $signal = new Coro::Signal; 4060 my $signal = new Coro::Signal;
3312 push @WAIT_FOR_TICK_BEGIN, $signal; 4061 push @WAIT_FOR_TICK_BEGIN, $signal;
3313 $signal->wait; 4062 $signal->wait;
3314} 4063}
3315 4064
3316 my $min = 1e6;#d# 4065sub tick {
3317 my $avg = 10;
3318$TICK_WATCHER = Event->timer (
3319 reentrant => 0,
3320 parked => 1,
3321 prio => 0,
3322 at => $NEXT_TICK || $TICK,
3323 data => WF_AUTOCANCEL,
3324 cb => sub {
3325 if ($Coro::current != $Coro::main) { 4066 if ($Coro::current != $Coro::main) {
3326 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4067 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3327 unless ++$bug_warning > 10; 4068 unless ++$bug_warning > 10;
3328 return; 4069 return;
3329 } 4070 }
3330 4071
3331 $NOW = $tick_start = Event::time;
3332
3333 cf::server_tick; # one server iteration 4072 cf::server_tick; # one server iteration
3334 4073
3335 0 && sync_job {#d# 4074 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3336 for(1..10) {
3337 my $t = Event::time;
3338 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3339 or die;
3340 4075
3341 $map->width (50); 4076 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342 $map->height (50); 4077 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3343 $map->alloc; 4078 Coro::async_pool {
3344 $map->_load_objects ("/tmp/x.map", 1); 4079 $Coro::current->{desc} = "runtime saver";
3345 my $t = Event::time - $t; 4080 write_runtime_sync
3346 4081 or error "ERROR: unable to write runtime file: $!";
3347 #next unless $t < 0.0013;#d#
3348 if ($t < $min) {
3349 $min = $t;
3350 }
3351 $avg = $avg * 0.99 + $t * 0.01;
3352 }
3353 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3354 exit 0;
3355 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3356 }; 4082 };
4083 }
3357 4084
3358 $RUNTIME += $TICK;
3359 $NEXT_TICK += $TICK;
3360
3361 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3362 $NEXT_RUNTIME_WRITE = $NOW + 10;
3363 Coro::async_pool {
3364 write_runtime
3365 or warn "ERROR: unable to write runtime file: $!";
3366 };
3367 }
3368
3369# my $AFTER = Event::time;
3370# warn $AFTER - $NOW;#d#
3371
3372 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4085 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3373 $sig->send; 4086 $sig->send;
3374 } 4087 }
3375 while (my $sig = shift @WAIT_FOR_TICK) { 4088 while (my $sig = shift @WAIT_FOR_TICK) {
3376 $sig->send; 4089 $sig->send;
3377 } 4090 }
3378 4091
3379 $NOW = Event::time; 4092 $LOAD = ($NOW - $TICK_START) / $TICK;
3380
3381 # if we are delayed by four ticks or more, skip them all
3382 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3383
3384 $TICK_WATCHER->at ($NEXT_TICK);
3385 $TICK_WATCHER->start;
3386
3387 $LOAD = ($NOW - $tick_start) / $TICK;
3388 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4093 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3389 4094
3390 _post_tick; 4095 if (0) {
3391 4096 if ($NEXT_TICK) {
3392 4097 my $jitter = $TICK_START - $NEXT_TICK;
4098 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4099 debug "jitter $JITTER\n";#d#
4100 }
3393 }, 4101 }
3394); 4102}
3395 4103
3396{ 4104{
3397 BDB::max_poll_time $TICK * 0.1; 4105 # configure BDB
3398 $BDB_POLL_WATCHER = Event->io ( 4106
3399 reentrant => 0,
3400 fd => BDB::poll_fileno,
3401 poll => 'r',
3402 prio => 0,
3403 data => WF_AUTOCANCEL,
3404 cb => \&BDB::poll_cb,
3405 );
3406 BDB::min_parallel 8; 4107 BDB::min_parallel 16;
3407 4108 BDB::max_poll_reqs $TICK * 0.1;
3408 BDB::set_sync_prepare { 4109 $AnyEvent::BDB::WATCHER->priority (1);
3409 my $status;
3410 my $current = $Coro::current;
3411 (
3412 sub {
3413 $status = $!;
3414 $current->ready; undef $current;
3415 },
3416 sub {
3417 Coro::schedule while defined $current;
3418 $! = $status;
3419 },
3420 )
3421 };
3422 4110
3423 unless ($DB_ENV) { 4111 unless ($DB_ENV) {
3424 $DB_ENV = BDB::db_env_create; 4112 $DB_ENV = BDB::db_env_create;
4113 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4114 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4115 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4116 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4117 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3425 4118
3426 cf::sync_job { 4119 cf::sync_job {
3427 eval { 4120 eval {
3428 BDB::db_env_open 4121 BDB::db_env_open
3429 $DB_ENV, 4122 $DB_ENV,
3431 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4124 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3432 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4125 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3433 0666; 4126 0666;
3434 4127
3435 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4128 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3436
3437 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3438 $DB_ENV->set_lk_detect;
3439 }; 4129 };
3440 4130
3441 cf::cleanup "db_env_open(db): $@" if $@; 4131 cf::cleanup "db_env_open(db): $@" if $@;
3442 }; 4132 };
3443 } 4133 }
4134
4135 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4136 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4137 };
4138 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4139 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4140 };
4141 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4142 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4143 };
3444} 4144}
3445 4145
3446{ 4146{
4147 # configure IO::AIO
4148
3447 IO::AIO::min_parallel 8; 4149 IO::AIO::min_parallel 8;
3448
3449 undef $Coro::AIO::WATCHER;
3450 IO::AIO::max_poll_time $TICK * 0.1; 4150 IO::AIO::max_poll_time $TICK * 0.1;
3451 $AIO_POLL_WATCHER = Event->io ( 4151 undef $AnyEvent::AIO::WATCHER;
3452 reentrant => 0,
3453 data => WF_AUTOCANCEL,
3454 fd => IO::AIO::poll_fileno,
3455 poll => 'r',
3456 prio => 6,
3457 cb => \&IO::AIO::poll_cb,
3458 );
3459} 4152}
3460 4153
3461my $_log_backtrace; 4154our $_log_backtrace;
4155our $_log_backtrace_last;
3462 4156
3463sub _log_backtrace { 4157sub _log_backtrace {
3464 my ($msg, @addr) = @_; 4158 my ($msg, @addr) = @_;
3465 4159
3466 $msg =~ s/\n//; 4160 $msg =~ s/\n$//;
3467 4161
4162 if ($_log_backtrace_last eq $msg) {
4163 LOG llevInfo, "[ABT] $msg\n";
4164 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3468 # limit the # of concurrent backtraces 4165 # limit the # of concurrent backtraces
3469 if ($_log_backtrace < 2) { 4166 } elsif ($_log_backtrace < 2) {
4167 $_log_backtrace_last = $msg;
3470 ++$_log_backtrace; 4168 ++$_log_backtrace;
4169 my $perl_bt = Carp::longmess $msg;
3471 async { 4170 async {
4171 $Coro::current->{desc} = "abt $msg";
4172
3472 my @bt = fork_call { 4173 my @bt = fork_call {
3473 @addr = map { sprintf "%x", $_ } @addr; 4174 @addr = map { sprintf "%x", $_ } @addr;
3474 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4175 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3475 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4176 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3476 or die "addr2line: $!"; 4177 or die "addr2line: $!";
3484 } 4185 }
3485 4186
3486 @funcs 4187 @funcs
3487 }; 4188 };
3488 4189
3489 LOG llevInfo, "[ABT] $msg\n"; 4190 LOG llevInfo, "[ABT] $perl_bt\n";
4191 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3490 LOG llevInfo, "[ABT] $_\n" for @bt; 4192 LOG llevInfo, "[ABT] $_\n" for @bt;
3491 --$_log_backtrace; 4193 --$_log_backtrace;
3492 }; 4194 };
3493 } else { 4195 } else {
3494 LOG llevInfo, "[ABT] $msg\n"; 4196 LOG llevInfo, "[ABT] $msg\n";
3495 LOG llevInfo, "[ABT] [suppressed]\n"; 4197 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3496 } 4198 }
3497} 4199}
3498 4200
3499# load additional modules 4201# load additional modules
3500use cf::pod; 4202require "cf/$_.pm" for @EXTRA_MODULES;
4203cf::_connect_to_perl_2;
3501 4204
3502END { cf::emergency_save } 4205END { cf::emergency_save }
3503 4206
35041 42071
3505 4208

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