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Revision 1.315 by root, Mon Jul 23 17:53:55 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
64our $DATADIR = datadir; 98our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
74 118
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 121our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
82 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
85 130
86our %CFG; 131our %CFG;
87 132
88our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 134our $RUNTIME;
135our $NOW;
90 136
91our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
94 140
95# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 143
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
100our $tick_start; # for load detecting purposes 147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
101 153
102binmode STDOUT; 154binmode STDOUT;
103binmode STDERR; 155binmode STDERR;
104 156
105# read virtual server time, if available 157# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
110} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
111 165
112mkdir $_ 166mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 168
115our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
116 170
117sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118 187
119############################################################################# 188#############################################################################
120 189
121=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
122 191
158 227
159The raw value load value from the last tick. 228The raw value load value from the last tick.
160 229
161=item %cf::CFG 230=item %cf::CFG
162 231
163Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 233from wherever your confdir points to.
165 234
166=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
167 236
168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
170per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
172=item @cf::INVOKE_RESULTS 246=item @cf::INVOKE_RESULTS
173 247
174This array contains the results of the last C<invoke ()> call. When 248This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 250that call.
177 251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
178=back 258=back
179 259
180=cut 260=cut
181 261
182BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 269 my $msg = join "", @_;
185 270
186 $msg .= "\n" 271 $msg .= "\n"
187 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
188 273
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 275
191 utf8::encode $msg;
192 LOG llevError, $msg; 276 LOG llevWarn, $msg;
193 }; 277};
194} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
195 292
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 303for my $pkg (qw(
207 cf::global cf::attachable 304 cf::global cf::attachable
208 cf::object cf::object::player 305 cf::object cf::object::player
209 cf::client cf::player 306 cf::client cf::player
210 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
211 cf::map cf::party cf::region 309 cf::party cf::region
212)) { 310)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 312}
216 313
217$Event::DIED = sub { 314$EV::DIED = sub {
218 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
219}; 316};
220 317
221############################################################################# 318#############################################################################
222 319
223=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 343 $d
247 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
248} 345}
249 346
250=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
251 348
252Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
253 350
254=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
255 352
256Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
257 354
258=cut 355=cut
259 356
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 358
262sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
264 404
265=item cf::lock_wait $string 405=item cf::lock_wait $string
266 406
267Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
268 408
269=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
270 410
271Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
274returned. 414returned.
275 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
276Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
278 421
279=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
280 423
281Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
282 425
283=cut 426=cut
284 427
285our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
286 429
287sub lock_wait($) { 430sub lock_wait($) {
288 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 432}
296 433
297sub lock_acquire($) { 434sub lock_acquire($) {
298 my ($key) = @_; 435 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 436}
310 437
311sub lock_active($) { 438sub lock_active($) {
312 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 440}
316 441
317sub freeze_mainloop { 442sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
319 444
320 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 446}
322 }; 447
323 $TICK_WATCHER->stop; 448=item cf::periodic $interval, $cb
324 $guard 449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
325} 461}
326 462
327=item cf::get_slot $time[, $priority[, $name]] 463=item cf::get_slot $time[, $priority[, $name]]
328 464
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 465Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 473
338=cut 474=cut
339 475
340our @SLOT_QUEUE; 476our @SLOT_QUEUE;
341our $SLOT_QUEUE; 477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
342 479
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
345 my $signal = new Coro::Signal; 484 my $signal = new Coro::Signal;
485 my $busy;
346 486
347 while () { 487 while () {
348 next_job: 488 next_job:
489
349 my $avail = cf::till_tick; 490 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 491
351 for (0 .. $#SLOT_QUEUE) { 492 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 495 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 496 $job->[2]->send;
355 Coro::cede; 497 Coro::cede;
356 goto next_job; 498 goto next_job;
357 } 499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 501 }
359 } 502 }
360 503
361 if (@SLOT_QUEUE) { 504 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 506 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 507 $signal->wait;
365 } else { 508 } else {
509 $busy = 0;
366 Coro::schedule; 510 Coro::schedule;
367 } 511 }
368 } 512 }
369}; 513};
370 514
371sub get_slot($;$$) { 515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
372 my ($time, $pri, $name) = @_; 518 my ($time, $pri, $name) = @_;
373 519
374 $time = $TICK * .6 if $time > $TICK * .6; 520 $time = clamp $time, 0.01, $TICK * .6;
521
375 my $sig = new Coro::Signal; 522 my $sig = new Coro::Signal;
376 523
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 526 $SLOT_QUEUE->ready;
390 537
391BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
392 539
393=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
394 541
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 545acceptable.
399 546
400If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
405=cut 552=cut
406 553
407sub sync_job(&) { 554sub sync_job(&) {
408 my ($job) = @_; 555 my ($job) = @_;
409 556
410 if ($Coro::current == $Coro::main) { 557 if (in_main) {
411 my $time = Event::time; 558 my $time = AE::time;
412 559
413 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
415 562
416 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 564
418 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
419 566
420 my $busy = 1; 567 my $busy = 1;
421 my @res; 568 my @res;
422 569
423 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 572 @res = eval { $job->() };
425 warn $@ if $@; 573 error $@ if $@;
426 undef $busy; 574 undef $busy;
427 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
428 576
429 while ($busy) { 577 while ($busy) {
430 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
431 } 582 }
583 }
432 584
433 $time = Event::time - $time; 585 my $time = AE::time - $time;
434 586
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
439 588
440 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
441 } else { 590 } else {
442 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
443 592
463 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
464 613
465 $coro 614 $coro
466} 615}
467 616
468=item fork_call { }, $args 617=item fork_call { }, @args
469 618
470Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
474 623
475=cut 624=cut
476 625
477sub _store_scalar { 626sub post_fork {
478 open my $fh, ">", \my $buf 627 reset_signals;
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484} 628}
485 629
486sub fork_call(&@) { 630sub fork_call(&@) {
487 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
488 632
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 636
494 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
495 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
496 641
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
498 warn "pst<$res>" unless $res =~ /^pst/; 643}
499 $res = Coro::Storable::thaw $res;
500 644
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
528} 681}
529 682
530=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
531 684
532Returns a single value from the environment database. 685Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
535 688
536Stores the given C<$value> in the family. It can currently store binary 689Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
539=cut 697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
540 718
541our $DB; 719our $DB;
542 720
543sub db_init { 721sub db_init {
544 unless ($DB) { 722 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 723}
559 724
560sub db_get($$) { 725sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
562 727
563 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
564 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
565 732
566 $! ? () 733 $! ? ()
567 : $data 734 : $data
568 }
569} 735}
570 736
571sub db_put($$$) { 737sub db_put($$$) {
572 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 778 if (1) {
613 $md5 = 779 $md5 =
614 join "\x00", 780 join "\x00",
615 $processversion, 781 $processversion,
616 map { 782 map {
617 Coro::cede; 783 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 785 } 0.. $#$src;
620 786
621 787
622 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
629 795
630 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 797 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
633 799
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 801
636 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
639 805
649 815
650=cut 816=cut
651 817
652sub datalog($@) { 818sub datalog($@) {
653 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 821}
656 822
657=back 823=back
658 824
659=cut 825=cut
660 826
661############################################################################# 827#############################################################################
662 828
663=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
664 830
665Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
668 834
669In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
670C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 837Deliantra).
672 838
673=over 4 839=over 4
674 840
675=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
676 842
720=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
721 887
722Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
724 890
725Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
727 893
728These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
729 895
730=over 4 896=over 4
854 1020
855 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 1023
858 } elsif (ref $type) { 1024 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
860 1026
861 } else { 1027 } else {
862 shift @arg; 1028 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
864 } 1030 }
865 } 1031 }
866} 1032}
867 1033
868sub _object_attach { 1034sub _object_attach {
878 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
879 } 1045 }
880 1046
881 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
882 } else { 1048 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1050 }
885 1051
886 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
887} 1053}
888 1054
947 1113
948 for (@$callbacks) { 1114 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
950 1116
951 if ($@) { 1117 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1119 override;
955 } 1120 }
956 1121
957 return 1 if $override; 1122 return 1 if $override;
958 } 1123 }
959 1124
960 0 1125 0
961} 1126}
962 1127
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1129
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1131
967Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
968 1133
974 1139
975=cut 1140=cut
976 1141
977############################################################################# 1142#############################################################################
978# object support 1143# object support
979#
980 1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
981sub _can_merge { 1178sub _can_merge {
982 my ($ob1, $ob2) = @_; 1179 my ($ob1, $ob2) = @_;
983 1180
984 local $Storable::canonical = 1; 1181 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1182
988 $fob1 eq $fob2 1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
989} 1185}
990 1186
991sub reattach { 1187sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1189 my ($obj) = @_;
994 1190
1191 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1193
997 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
998 1195
999 @$registry = (); 1196 @$registry = ();
1000 1197
1005 for (@$attach) { 1202 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
1008 } 1205 }
1009 } else { 1206 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1208 }
1012 } 1209 }
1013} 1210}
1014 1211
1015cf::attachable->attach ( 1212cf::attachable->attach (
1016 prio => -1000000, 1213 prio => -1000000,
1017 on_instantiate => sub { 1214 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
1019 1216
1020 $data = from_json $data; 1217 $data = decode_json $data;
1021 1218
1022 for (@$data) { 1219 for (@$data) {
1023 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
1024 1221
1025 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1238sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
1043 1240
1044 sync_job { 1241 sync_job {
1045 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
1048 1247
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
1053 close $fh; 1255 aio_close $fh;
1054 1256
1055 if (@$objs) { 1257 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
1061 close $fh; 1266 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1268 }
1064 } else { 1269 } else {
1065 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
1066 } 1271 }
1067 1272
1068 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1277 } else {
1070 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
1071 } 1279 }
1072 } else { 1280 } else {
1073 aio_unlink $filename; 1281 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
1075 } 1283 }
1076 } 1284 };
1077} 1285}
1078 1286
1079sub object_freezer_as_string { 1287sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
1081 1289
1093 or return; 1301 or return;
1094 1302
1095 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1305 or return;
1306
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1099 } 1309 }
1100 1310
1311 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1103 return ($data, $av); 1316 ($data, $av)
1104} 1317}
1105 1318
1106=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1107 1320
1108=over 4 1321=over 4
1162 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1163 1376
1164 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1165} 1378}
1166 1379
1380use File::Glob ();
1381
1167cf::player->attach ( 1382cf::player->attach (
1168 on_command => sub { 1383 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1170 1385
1171 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1172 or return; 1387 or return;
1173 1388
1181 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
1182 1397
1183 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184 1399
1185 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
1186 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
1187 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
1188 $pl->ext_reply ($msg->{msgid}, %reply);
1189 }
1190 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1191 } else { 1415 } else {
1192 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1193 } 1417 }
1194 1418
1195 cf::override; 1419 cf::override;
1196 }, 1420 },
1197); 1421);
1198 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
1199sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1200 cf::sync_job { 1439 cf::sync_job {
1201 my %todo; 1440 my %todo;
1202 1441
1203 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1204 next unless -r $path; 1443 next unless -r $path;
1222 1461
1223 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225 1464
1226 $ext{source} = 1465 $ext{source} =
1227 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1228 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1229 . $source 1468 . $source
1230 . "\n};\n1"; 1469 . "\n};\n1";
1231 1470
1232 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1233 } 1472 }
1234 1473
1474 my $pass = 0;
1235 my %done; 1475 my %done;
1236 while (%todo) { 1476 while (%todo) {
1237 my $progress; 1477 my $progress;
1238 1478
1479 ++$pass;
1480
1481 ext:
1239 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1240 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1241 goto skip 1484 next ext
1242 unless exists $done{$_}; 1485 unless exists $done{$_};
1243 } 1486 }
1244 1487
1245 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1246 1489
1247 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1248 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1249 : "$v->{base}: extension inactive.\n";
1250 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1251 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1252 warn $msg; 1497
1253 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1254 exit 1; 1499 delete $todo{$k};
1255 } 1500 } else {
1256 1501 $done{$k} = delete $todo{$k};
1257 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1258 } 1507 }
1259
1260 $done{$k} = delete $todo{$k};
1261 push @EXTS, $v->{pkg};
1262 $progress = 1;
1263 } 1508 }
1264 1509
1265 skip: 1510 unless ($progress) {
1266 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1267 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 }
1268 } 1518 }
1269 }; 1519 };
1270} 1520}
1271 1521
1272############################################################################# 1522#############################################################################
1273 1523
1274=back 1524=back
1275 1525
1276=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1277 1527
1278Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1279 1529
1280=cut 1530=cut
1281 1531
1282package cf::player; 1532package cf::player;
1283 1533
1284use Coro::AIO; 1534use Coro::AIO;
1285 1535
1286=head3 cf::player 1536=head3 cf::player
1287 1537
1288=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}
1289 1553
1290=item cf::player::find $login 1554=item cf::player::find $login
1291 1555
1292Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1293 1557
1312 1576
1313sub exists($) { 1577sub exists($) {
1314 my ($login) = @_; 1578 my ($login) = @_;
1315 1579
1316 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1317 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1318} 1582}
1319 1583
1320sub find($) { 1584sub find($) {
1321 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1322 my $login = $_[0]; 1586 my $login = $_[0];
1329 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1330 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1331 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1332 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1333 1597
1334 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1335 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;
1336 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1337 } 1607 }
1338 } 1608 }
1339} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($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);
1340 1623
1341sub save($) { 1624sub save($) {
1342 my ($pl) = @_; 1625 my ($pl) = @_;
1343 1626
1344 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1349 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1350 1633
1351 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1352 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1353 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
1354 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1355 Coro::cede; 1643 cf::cede_to_tick;
1356} 1644}
1357 1645
1358sub new($) { 1646sub new($) {
1359 my ($login) = @_; 1647 my ($login) = @_;
1360 1648
1366 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1367 1655
1368 $self 1656 $self
1369} 1657}
1370 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1371=item $pl->quit_character 1669=item $pl->quit_character
1372 1670
1373Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1374be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1375 1673
1379 my ($pl) = @_; 1677 my ($pl) = @_;
1380 1678
1381 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1382 1680
1383 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1384 $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
1385 1683
1386 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1387 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1388 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1389 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1390 1692
1391 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1392 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1393 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1428 or return []; 1730 or return [];
1429 1731
1430 my @logins; 1732 my @logins;
1431 1733
1432 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") {
1433 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1434 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1435 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1436 1744
1437 utf8::decode $login; 1745 utf8::decode $login;
1438 push @logins, $login; 1746 push @logins, $login;
1439 } 1747 }
1440 1748
1441 \@logins 1749 \@logins
1442} 1750}
1443 1751
1444=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1445 1755
1446Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1447player. May block. 1757player. May block.
1448 1758
1449=cut 1759=cut
1467 } 1777 }
1468 1778
1469 \@paths 1779 \@paths
1470} 1780}
1471 1781
1472=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1473 1783
1474Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1475 1785
1476=cut
1477
1478sub expand_cfpod {
1479 ((my $self), (local $_)) = @_;
1480
1481 # escape & and <
1482 s/&/&amp;/g;
1483 s/(?<![BIUGH])</&lt;/g;
1484
1485 # this is buggy, it needs to properly take care of nested <'s
1486
1487 1 while
1488 # replace B<>, I<>, U<> etc.
1489 s/B<([^\>]*)>/<b>$1<\/b>/
1490 || s/I<([^\>]*)>/<i>$1<\/i>/
1491 || s/U<([^\>]*)>/<u>$1<\/u>/
1492 # replace G<male|female> tags
1493 || s{G<([^>|]*)\|([^>]*)>}{
1494 $self->gender ? $2 : $1
1495 }ge
1496 # replace H<hint text>
1497 || s{H<([^\>]*)>}
1498 {
1499 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1500 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1501 "")
1502 [$self->{hintmode}]
1503 }ge;
1504
1505 # create single paragraphs (very hackish)
1506 s/(?<=\S)\n(?=\w)/ /g;
1507
1508 # compress some whitespace
1509 s/\s+\n/\n/g; # ws line-ends
1510 s/\n\n+/\n/g; # double lines
1511 s/^\n+//; # beginning lines
1512 s/\n+$//; # ending lines
1513
1514 $_
1515}
1516
1517sub hintmode {
1518 $_[0]{hintmode} = $_[1] if @_ > 1;
1519 $_[0]{hintmode}
1520}
1521
1522=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1523 1787
1524Sends an ext reply to the player. 1788Sends an ext reply to the player.
1525 1789
1526=cut 1790=cut
1527 1791
1528sub ext_reply($$%) { 1792sub ext_reply($$@) {
1529 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1530 1794
1531 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1532 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1533} 1796}
1534 1797
1535=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1536 1799
1537Sends an ext event to the client. 1800Sends an ext event to the client.
1538 1801
1539=cut 1802=cut
1540 1803
1541sub ext_event($$%) { 1804sub ext_msg($$@) {
1542 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1543 1806
1544 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1545} 1808}
1546 1809
1547=head3 cf::region 1810=head3 cf::region
1548 1811
1549=over 4 1812=over 4
1558 1821
1559=cut 1822=cut
1560 1823
1561sub find_by_path($) { 1824sub find_by_path($) {
1562 my ($path) = @_; 1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1563 1828
1564 my ($match, $specificity); 1829 my ($match, $specificity);
1565 1830
1566 for my $region (list) { 1831 for my $region (list) {
1567 if ($region->{match} && $path =~ $region->{match}) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1593our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1594our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1595 1860
1596sub generate_random_map { 1861sub generate_random_map {
1597 my ($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
1598 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1599 $self->_create_random_map ( 1867 $self->_create_random_map (
1600 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp,
1869 $rmp->{wall_name}, $rmp->{monsterstyle},
1601 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1870 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1602 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1871 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1603 $rmp->{exit_on_final_map}, 1872 $rmp->{exit_on_final_map},
1604 $rmp->{xsize}, $rmp->{ysize}, 1873 $rmp->{xsize}, $rmp->{ysize},
1605 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1874 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1606 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1875 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1607 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1876 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1608 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1877 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1609 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1878 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1610 (cf::region::find $rmp->{region}), $rmp->{custom} 1879 (cf::region::find $rmp->{region})
1611 ) 1880 )
1612} 1881}
1613 1882
1614=item cf::map->register ($regex, $prio) 1883=item cf::map->register ($regex, $prio)
1615 1884
1621 1890
1622sub register { 1891sub register {
1623 my (undef, $regex, $prio) = @_; 1892 my (undef, $regex, $prio) = @_;
1624 my $pkg = caller; 1893 my $pkg = caller;
1625 1894
1626 no strict;
1627 push @{"$pkg\::ISA"}, __PACKAGE__; 1895 push @{"$pkg\::ISA"}, __PACKAGE__;
1628 1896
1629 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1897 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1630} 1898}
1631 1899
1632# also paths starting with '/' 1900# also paths starting with '/'
1633$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1901$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1634 1902
1635sub thawer_merge { 1903sub thawer_merge {
1636 my ($self, $merge) = @_; 1904 my ($self, $merge) = @_;
1637 1905
1638 # we have to keep some variables in memory intact 1906 # we have to keep some variables in memory intact
1643} 1911}
1644 1912
1645sub normalise { 1913sub normalise {
1646 my ($path, $base) = @_; 1914 my ($path, $base) = @_;
1647 1915
1648 $path = "$path"; # make sure its a string 1916 $path = "$path"; # make sure it's a string
1649 1917
1650 $path =~ s/\.map$//; 1918 $path =~ s/\.map$//;
1651 1919
1652 # map plan: 1920 # map plan:
1653 # 1921 #
1668 $base =~ s{[^/]+/?$}{}; 1936 $base =~ s{[^/]+/?$}{};
1669 $path = "$base/$path"; 1937 $path = "$base/$path";
1670 } 1938 }
1671 1939
1672 for ($path) { 1940 for ($path) {
1673 redo if s{//}{/};
1674 redo if s{/\.?/}{/}; 1941 redo if s{/\.?/}{/};
1675 redo if s{/[^/]+/\.\./}{/}; 1942 redo if s{/[^/]+/\.\./}{/};
1676 } 1943 }
1677 1944
1678 $path 1945 $path
1692 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1693 return $self; 1960 return $self;
1694 } 1961 }
1695 } 1962 }
1696 1963
1697 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1698 () 1965 ()
1699} 1966}
1700 1967
1701sub init { 1968sub init {
1702 my ($self) = @_; 1969 my ($self) = @_;
1724 1991
1725# the temporary/swap location 1992# the temporary/swap location
1726sub save_path { 1993sub save_path {
1727 my ($self) = @_; 1994 my ($self) = @_;
1728 1995
1729 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1730 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1731} 1998}
1732 1999
1733# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1734sub uniq_path { 2001sub uniq_path {
1735 my ($self) = @_; 2002 my ($self) = @_;
1736 2003
1737 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1738 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1739}
1740
1741# and all this just because we cannot iterate over
1742# all maps in C++...
1743sub change_all_map_light {
1744 my ($change) = @_;
1745
1746 $_->change_map_light ($change)
1747 for grep $_->outdoor, values %cf::MAP;
1748} 2006}
1749 2007
1750sub decay_objects { 2008sub decay_objects {
1751 my ($self) = @_; 2009 my ($self) = @_;
1752 2010
1765 2023
1766sub load_header_from($) { 2024sub load_header_from($) {
1767 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1768 2026
1769 utf8::encode $path; 2027 utf8::encode $path;
1770 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1771 # or return;
1772
1773 $self->_load_header ($path)
1774 or return; 2029 or return;
2030
2031 $self->_load_header ($f)
2032 or return;
2033
2034 local $MAP_LOADING{$self->{path}} = $self;
2035 $f->resolve_delayed_derefs;
1775 2036
1776 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1777 2038
1778 1 2039 1
1779} 2040}
1831 2092
1832sub find; 2093sub find;
1833sub find { 2094sub find {
1834 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1835 2096
2097 cf::cede_to_tick;
2098
1836 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1837 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1838 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1839 2103
1840 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1841 my $guard = cf::lock_acquire "map_find:$path";
1842 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1843 or return; 2106 or return;
1844 2107
1845 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1846 2109
1848 or return; 2111 or return;
1849 2112
1850 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1851 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1852 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1853 $map->reset; 2118 $map->reset;
1854 undef $guard;
1855 return find $path; 2119 return find $path;
1856 } 2120 }
1857 2121
1858 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1859 } 2123 }
1860} 2124}
1861 2125
1862sub pre_load { } 2126sub pre_load { }
1863sub post_load { } 2127#sub post_load { } # XS
1864 2128
1865sub load { 2129sub load {
1866 my ($self) = @_; 2130 my ($self) = @_;
1867 2131
1868 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1869 2133
1870 my $path = $self->{path}; 2134 my $path = $self->{path};
1871 2135
1872 { 2136 {
1873 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1874 2138
2139 return unless $self->valid;
1875 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1876 2141
1877 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1878 2143
1879 $self->alloc; 2144 $self->alloc;
1880 2145
1881 $self->pre_load; 2146 $self->pre_load;
1882 Coro::cede; 2147 cf::cede_to_tick;
1883 2148
2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
1884 $self->_load_objects ($self->{load_path}, 1) 2151 $self->_load_objects ($f)
1885 or return; 2152 or return;
1886 2153
1887 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1888 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1889 2156
1890 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1891 utf8::encode $uniq; 2158 utf8::encode $uniq;
1892 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1893 $self->clear_unique_items; 2161 $self->clear_unique_items;
1894 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1895 } 2165 }
1896 } 2166 }
1897 2167
1898 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1899 # now do the right thing for maps 2171 # now do the right thing for maps
1900 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1901 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1902 unless $self->difficulty; 2174 unless $self->difficulty;
1903 Coro::cede; 2175 cf::cede_to_tick;
1904 2176
1905 unless ($self->{deny_activate}) { 2177 unless ($self->{deny_activate}) {
1906 $self->decay_objects; 2178 $self->decay_objects;
1907 $self->fix_auto_apply; 2179 $self->fix_auto_apply;
1908 $self->update_buttons; 2180 $self->update_buttons;
1909 Coro::cede; 2181 cf::cede_to_tick;
1910 $self->set_darkness_map;
1911 Coro::cede;
1912 $self->activate; 2182 $self->activate;
1913 } 2183 }
1914 2184
2185 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME);
2187
1915 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1916 } 2189 }
1917 2190
1918 $self->post_load; 2191 $self->post_load;
1919}
1920 2192
2193 1
2194}
2195
2196# customize the map for a given player, i.e.
2197# return the _real_ map. used by e.g. per-player
2198# maps to change the path to ~playername/mappath
1921sub customise_for { 2199sub customise_for {
1922 my ($self, $ob) = @_; 2200 my ($self, $ob) = @_;
1923 2201
1924 return find "~" . $ob->name . "/" . $self->{path} 2202 return find "~" . $ob->name . "/" . $self->{path}
1925 if $self->per_player; 2203 if $self->per_player;
1929 2207
1930 $self 2208 $self
1931} 2209}
1932 2210
1933# find and load all maps in the 3x3 area around a map 2211# find and load all maps in the 3x3 area around a map
1934sub load_diag { 2212sub load_neighbours {
1935 my ($map) = @_; 2213 my ($map) = @_;
1936 2214
1937 my @diag; # diagonal neighbours 2215 my @neigh; # diagonal neighbours
1938 2216
1939 for (0 .. 3) { 2217 for (0 .. 3) {
1940 my $neigh = $map->tile_path ($_) 2218 my $neigh = $map->tile_path ($_)
1941 or next; 2219 or next;
1942 $neigh = find $neigh, $map 2220 $neigh = find $neigh, $map
1943 or next; 2221 or next;
1944 $neigh->load; 2222 $neigh->load;
1945 2223
2224 # now find the diagonal neighbours
2225 push @neigh,
1946 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2226 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1947 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2227 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1948 } 2228 }
1949 2229
1950 for (@diag) { 2230 for (grep defined $_->[0], @neigh) {
2231 my ($path, $origin) = @$_;
1951 my $neigh = find @$_ 2232 my $neigh = find $path, $origin
1952 or next; 2233 or next;
1953 $neigh->load; 2234 $neigh->load;
1954 } 2235 }
1955} 2236}
1956 2237
1957sub find_sync { 2238sub find_sync {
1958 my ($path, $origin) = @_; 2239 my ($path, $origin) = @_;
1959 2240
1960 cf::sync_job { find $path, $origin } 2241 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2242 if $Coro::current == $Coro::main;
2243
2244 find $path, $origin
1961} 2245}
1962 2246
1963sub do_load_sync { 2247sub do_load_sync {
1964 my ($map) = @_; 2248 my ($map) = @_;
1965 2249
1966 cf::sync_job { $map->load }; 2250 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2251 if $Coro::current == $Coro::main;
2252
2253 $map->load;
1967} 2254}
1968 2255
1969our %MAP_PREFETCH; 2256our %MAP_PREFETCH;
1970our $MAP_PREFETCHER = undef; 2257our $MAP_PREFETCHER = undef;
1971 2258
1972sub find_async { 2259sub find_async {
1973 my ($path, $origin) = @_; 2260 my ($path, $origin, $load) = @_;
1974 2261
1975 $path = normalise $path, $origin && $origin->{path}; 2262 $path = normalise $path, $origin && $origin->{path};
1976 2263
1977 if (my $map = $cf::MAP{$path}) { 2264 if (my $map = $cf::MAP{$path}) {
1978 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2265 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1979 } 2266 }
1980 2267
1981 undef $MAP_PREFETCH{$path}; 2268 $MAP_PREFETCH{$path} |= $load;
2269
1982 $MAP_PREFETCHER ||= cf::async { 2270 $MAP_PREFETCHER ||= cf::async {
2271 $Coro::current->{desc} = "map prefetcher";
2272
1983 while (%MAP_PREFETCH) { 2273 while (%MAP_PREFETCH) {
1984 for my $path (keys %MAP_PREFETCH) { 2274 while (my ($k, $v) = each %MAP_PREFETCH) {
1985 if (my $map = find $path) { 2275 if (my $map = find $k) {
1986 $map->load; 2276 $map->load if $v;
1987 } 2277 }
1988 2278
1989 delete $MAP_PREFETCH{$path}; 2279 delete $MAP_PREFETCH{$k};
1990 } 2280 }
1991 } 2281 }
1992 undef $MAP_PREFETCHER; 2282 undef $MAP_PREFETCHER;
1993 }; 2283 };
1994 $MAP_PREFETCHER->prio (6); 2284 $MAP_PREFETCHER->prio (6);
1995 2285
1996 () 2286 ()
1997} 2287}
1998 2288
2289# common code, used by both ->save and ->swapout
1999sub save { 2290sub _save {
2000 my ($self) = @_; 2291 my ($self) = @_;
2001
2002 my $lock = cf::lock_acquire "map_data:" . $self->path;
2003 2292
2004 $self->{last_save} = $cf::RUNTIME; 2293 $self->{last_save} = $cf::RUNTIME;
2005 2294
2006 return unless $self->dirty; 2295 return unless $self->dirty;
2007 2296
2013 return if $self->{deny_save}; 2302 return if $self->{deny_save};
2014 2303
2015 local $self->{last_access} = $self->last_access;#d# 2304 local $self->{last_access} = $self->last_access;#d#
2016 2305
2017 cf::async { 2306 cf::async {
2307 $Coro::current->{desc} = "map player save";
2018 $_->contr->save for $self->players; 2308 $_->contr->save for $self->players;
2019 }; 2309 };
2310
2311 cf::get_slot 0.02;
2020 2312
2021 if ($uniq) { 2313 if ($uniq) {
2022 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2023 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2315 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2024 } else { 2316 } else {
2025 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2317 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2026 } 2318 }
2027} 2319}
2028 2320
2321sub save {
2322 my ($self) = @_;
2323
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
2326 $self->_save;
2327}
2328
2029sub swap_out { 2329sub swap_out {
2030 my ($self) = @_; 2330 my ($self) = @_;
2031 2331
2032 # save first because save cedes
2033 $self->save;
2034
2035 my $lock = cf::lock_acquire "map_data:" . $self->path; 2332 my $lock = cf::lock_acquire "map_data:$self->{path}";
2036 2333
2334 return if $self->in_memory != cf::MAP_ACTIVE;
2335 return if $self->{deny_save};
2037 return if $self->players; 2336 return if $self->players;
2038 return if $self->in_memory != cf::MAP_IN_MEMORY;
2039 return if $self->{deny_save};
2040 2337
2338 # first deactivate the map and "unlink" it from the core
2339 $self->deactivate;
2340 $_->clear_links_to ($self) for values %cf::MAP;
2341 $self->in_memory (cf::MAP_SWAPPED);
2342
2343 # then atomically save
2344 $self->_save;
2345
2346 # then free the map
2041 $self->clear; 2347 $self->clear;
2042 $self->in_memory (cf::MAP_SWAPPED);
2043} 2348}
2044 2349
2045sub reset_at { 2350sub reset_at {
2046 my ($self) = @_; 2351 my ($self) = @_;
2047 2352
2065 2370
2066 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2371 my $lock = cf::lock_acquire "map_data:$self->{path}";
2067 2372
2068 return if $self->players; 2373 return if $self->players;
2069 2374
2070 warn "resetting map ", $self->path; 2375 cf::trace "resetting map ", $self->path, "\n";
2071 2376
2072 $self->in_memory (cf::MAP_SWAPPED); 2377 $self->in_memory (cf::MAP_SWAPPED);
2073 2378
2074 # need to save uniques path 2379 # need to save uniques path
2075 unless ($self->{deny_save}) { 2380 unless ($self->{deny_save}) {
2079 if $uniq; 2384 if $uniq;
2080 } 2385 }
2081 2386
2082 delete $cf::MAP{$self->path}; 2387 delete $cf::MAP{$self->path};
2083 2388
2389 $self->deactivate;
2390 $_->clear_links_to ($self) for values %cf::MAP;
2084 $self->clear; 2391 $self->clear;
2085
2086 $_->clear_links_to ($self) for values %cf::MAP;
2087 2392
2088 $self->unlink_save; 2393 $self->unlink_save;
2089 $self->destroy; 2394 $self->destroy;
2090} 2395}
2091 2396
2092my $nuke_counter = "aaaa"; 2397my $nuke_counter = "aaaa";
2093 2398
2094sub nuke { 2399sub nuke {
2095 my ($self) = @_; 2400 my ($self) = @_;
2096 2401
2402 {
2403 my $lock = cf::lock_acquire "map_data:$self->{path}";
2404
2097 delete $cf::MAP{$self->path}; 2405 delete $cf::MAP{$self->path};
2098 2406
2099 $self->unlink_save; 2407 $self->unlink_save;
2100 2408
2101 bless $self, "cf::map"; 2409 bless $self, "cf::map::wrap";
2102 delete $self->{deny_reset}; 2410 delete $self->{deny_reset};
2103 $self->{deny_save} = 1; 2411 $self->{deny_save} = 1;
2104 $self->reset_timeout (1); 2412 $self->reset_timeout (1);
2105 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2413 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2106 2414
2107 $cf::MAP{$self->path} = $self; 2415 $cf::MAP{$self->path} = $self;
2416 }
2108 2417
2109 $self->reset; # polite request, might not happen 2418 $self->reset; # polite request, might not happen
2110} 2419}
2111 2420
2112=item $maps = cf::map::tmp_maps 2421=item $maps = cf::map::tmp_maps
2154 2463
2155sub unique_maps() { 2464sub unique_maps() {
2156 [ 2465 [
2157 map { 2466 map {
2158 utf8::decode $_; 2467 utf8::decode $_;
2159 /\.map$/ 2468 s/\.map$//; # TODO future compatibility hack
2469 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2470 ? ()
2160 ? normalise $_ 2471 : normalise $_
2161 : ()
2162 } @{ aio_readdir $UNIQUEDIR or [] } 2472 } @{ aio_readdir $UNIQUEDIR or [] }
2163 ] 2473 ]
2164} 2474}
2165 2475
2166package cf; 2476=item cf::map::static_maps
2477
2478Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2479file in the shared directory excluding F</styles> and F</editor>). May
2480block.
2481
2482=cut
2483
2484sub static_maps() {
2485 my @dirs = "";
2486 my @maps;
2487
2488 while (@dirs) {
2489 my $dir = shift @dirs;
2490
2491 next if $dir eq "/styles" || $dir eq "/editor";
2492
2493 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2494 or return;
2495
2496 for (@$files) {
2497 s/\.map$// or next;
2498 utf8::decode $_;
2499 push @maps, "$dir/$_";
2500 }
2501
2502 push @dirs, map "$dir/$_", @$dirs;
2503 }
2504
2505 \@maps
2506}
2167 2507
2168=back 2508=back
2169 2509
2170=head3 cf::object 2510=head3 cf::object
2171 2511
2175 2515
2176=over 4 2516=over 4
2177 2517
2178=item $ob->inv_recursive 2518=item $ob->inv_recursive
2179 2519
2180Returns the inventory of the object _and_ their inventories, recursively. 2520Returns the inventory of the object I<and> their inventories, recursively,
2521but I<not> the object itself.
2181 2522
2182=cut 2523=cut
2183 2524
2184sub inv_recursive_; 2525sub inv_recursive_;
2185sub inv_recursive_ { 2526sub inv_recursive_ {
2188 2529
2189sub inv_recursive { 2530sub inv_recursive {
2190 inv_recursive_ inv $_[0] 2531 inv_recursive_ inv $_[0]
2191} 2532}
2192 2533
2534=item $ref = $ob->ref
2535
2536Creates and returns a persistent reference to an object that can be stored as a string.
2537
2538=item $ob = cf::object::deref ($refstring)
2539
2540returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2541even if the object actually exists. May block.
2542
2543=cut
2544
2545sub deref {
2546 my ($ref) = @_;
2547
2548 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2549 my ($uuid, $name) = ($1, $2);
2550 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2551 or return;
2552 $pl->ob->uuid eq $uuid
2553 or return;
2554
2555 $pl->ob
2556 } else {
2557 warn "$ref: cannot resolve object reference\n";
2558 undef
2559 }
2560}
2561
2193package cf; 2562package cf;
2194 2563
2195=back 2564=back
2196 2565
2197=head3 cf::object::player 2566=head3 cf::object::player
2203Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2572Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2204can be C<undef>. Does the right thing when the player is currently in a 2573can be C<undef>. Does the right thing when the player is currently in a
2205dialogue with the given NPC character. 2574dialogue with the given NPC character.
2206 2575
2207=cut 2576=cut
2577
2578our $SAY_CHANNEL = {
2579 id => "say",
2580 title => "Map",
2581 reply => "say ",
2582 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2583};
2584
2585our $CHAT_CHANNEL = {
2586 id => "chat",
2587 title => "Chat",
2588 reply => "chat ",
2589 tooltip => "Player chat and shouts, global to the server.",
2590};
2208 2591
2209# rough implementation of a future "reply" method that works 2592# rough implementation of a future "reply" method that works
2210# with dialog boxes. 2593# with dialog boxes.
2211#TODO: the first argument must go, split into a $npc->reply_to ( method 2594#TODO: the first argument must go, split into a $npc->reply_to ( method
2212sub cf::object::player::reply($$$;$) { 2595sub cf::object::player::reply($$$;$) {
2219 2602
2220 } else { 2603 } else {
2221 my $pl = $self->contr; 2604 my $pl = $self->contr;
2222 2605
2223 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2606 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2224 my $diag = $pl->{npc_dialog}; 2607 my $dialog = $pl->{npc_dialog};
2225 $diag->{pl}->ext_reply ( 2608 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2226 $diag->{id},
2227 msgtype => "reply",
2228 msg => $diag->{pl}->expand_cfpod ($msg),
2229 add_topics => []
2230 );
2231 2609
2232 } else { 2610 } else {
2233 $msg = $npc->name . " says: $msg" if $npc; 2611 $msg = $npc->name . " says: $msg" if $npc;
2234 $self->message ($msg, $flags); 2612 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2235 } 2613 }
2236 } 2614 }
2615}
2616
2617=item $object->send_msg ($channel, $msg, $color, [extra...])
2618
2619=cut
2620
2621sub cf::object::send_msg {
2622 my $pl = shift->contr
2623 or return;
2624 $pl->send_msg (@_);
2237} 2625}
2238 2626
2239=item $player_object->may ("access") 2627=item $player_object->may ("access")
2240 2628
2241Returns wether the given player is authorized to access resource "access" 2629Returns wether the given player is authorized to access resource "access"
2254 2642
2255=item $player_object->enter_link 2643=item $player_object->enter_link
2256 2644
2257Freezes the player and moves him/her to a special map (C<{link}>). 2645Freezes the player and moves him/her to a special map (C<{link}>).
2258 2646
2259The player should be reasonably safe there for short amounts of time. You 2647The player should be reasonably safe there for short amounts of time (e.g.
2260I<MUST> call C<leave_link> as soon as possible, though. 2648for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2649though, as the player cannot control the character while it is on the link
2650map.
2261 2651
2262Will never block. 2652Will never block.
2263 2653
2264=item $player_object->leave_link ($map, $x, $y) 2654=item $player_object->leave_link ($map, $x, $y)
2265 2655
2285sub cf::object::player::enter_link { 2675sub cf::object::player::enter_link {
2286 my ($self) = @_; 2676 my ($self) = @_;
2287 2677
2288 $self->deactivate_recursive; 2678 $self->deactivate_recursive;
2289 2679
2680 ++$self->{_link_recursion};
2681
2290 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2682 return if UNIVERSAL::isa $self->map, "ext::map_link";
2291 2683
2292 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2684 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2293 if $self->map && $self->map->{path} ne "{link}"; 2685 if $self->map && $self->map->{path} ne "{link}";
2294 2686
2295 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2687 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2296} 2688}
2297 2689
2298sub cf::object::player::leave_link { 2690sub cf::object::player::leave_link {
2299 my ($self, $map, $x, $y) = @_; 2691 my ($self, $map, $x, $y) = @_;
2300 2692
2317 ($x, $y) = (-1, -1) 2709 ($x, $y) = (-1, -1)
2318 unless (defined $x) && (defined $y); 2710 unless (defined $x) && (defined $y);
2319 2711
2320 # use -1 or undef as default coordinates, not 0, 0 2712 # use -1 or undef as default coordinates, not 0, 0
2321 ($x, $y) = ($map->enter_x, $map->enter_y) 2713 ($x, $y) = ($map->enter_x, $map->enter_y)
2322 if $x <=0 && $y <= 0; 2714 if $x <= 0 && $y <= 0;
2323 2715
2324 $map->load; 2716 $map->load;
2325 $map->load_diag; 2717 $map->load_neighbours;
2326 2718
2327 return unless $self->contr->active; 2719 return unless $self->contr->active;
2328 $self->activate_recursive;
2329 2720
2330 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2721 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2331 $self->enter_map ($map, $x, $y); 2722 if ($self->enter_map ($map, $x, $y)) {
2332} 2723 # entering was successful
2724 delete $self->{_link_recursion};
2725 # only activate afterwards, to support waiting in hooks
2726 $self->activate_recursive;
2727 }
2333 2728
2729}
2730
2334=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2731=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2335 2732
2336Moves the player to the given map-path and coordinates by first freezing 2733Moves the player to the given map-path and coordinates by first freezing
2337her, loading and preparing them map, calling the provided $check callback 2734her, loading and preparing them map, calling the provided $check callback
2338that has to return the map if sucecssful, and then unfreezes the player on 2735that has to return the map if sucecssful, and then unfreezes the player on
2339the new (success) or old (failed) map position. In either case, $done will 2736the new (success) or old (failed) map position. In either case, $done will
2340be called at the end of this process. 2737be called at the end of this process.
2341 2738
2739Note that $check will be called with a potentially non-loaded map, so if
2740it needs a loaded map it has to call C<< ->load >>.
2741
2342=cut 2742=cut
2343 2743
2344our $GOTOGEN; 2744our $GOTOGEN;
2345 2745
2346sub cf::object::player::goto { 2746sub cf::object::player::goto {
2347 my ($self, $path, $x, $y, $check, $done) = @_; 2747 my ($self, $path, $x, $y, $check, $done) = @_;
2348 2748
2749 if ($self->{_link_recursion} >= $MAX_LINKS) {
2750 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2751 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2752 ($path, $x, $y) = @$EMERGENCY_POSITION;
2753 }
2754
2349 # do generation counting so two concurrent goto's will be executed in-order 2755 # do generation counting so two concurrent goto's will be executed in-order
2350 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2756 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2351 2757
2352 $self->enter_link; 2758 $self->enter_link;
2353 2759
2354 (async { 2760 (async {
2761 $Coro::current->{desc} = "player::goto $path $x $y";
2762
2763 # *tag paths override both path and x|y
2764 if ($path =~ /^\*(.*)$/) {
2765 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2766 my $ob = $obs[rand @obs];
2767
2768 # see if we actually can go there
2769 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2770 $ob = $obs[rand @obs];
2771 } else {
2772 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2773 }
2774 # else put us there anyways for now #d#
2775
2776 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2777 } else {
2778 ($path, $x, $y) = (undef, undef, undef);
2779 }
2780 }
2781
2355 my $map = eval { 2782 my $map = eval {
2356 my $map = cf::map::find $path; 2783 my $map = defined $path ? cf::map::find $path : undef;
2357 2784
2358 if ($map) { 2785 if ($map) {
2359 $map = $map->customise_for ($self); 2786 $map = $map->customise_for ($self);
2360 $map = $check->($map) if $check && $map; 2787 $map = $check->($map, $x, $y, $self) if $check && $map;
2361 } else { 2788 } else {
2362 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2789 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2363 } 2790 }
2364 2791
2365 $map 2792 $map
2366 }; 2793 };
2367 2794
2373 if ($gen == $self->{_goto_generation}) { 2800 if ($gen == $self->{_goto_generation}) {
2374 delete $self->{_goto_generation}; 2801 delete $self->{_goto_generation};
2375 $self->leave_link ($map, $x, $y); 2802 $self->leave_link ($map, $x, $y);
2376 } 2803 }
2377 2804
2378 $done->() if $done; 2805 $done->($self) if $done;
2379 })->prio (1); 2806 })->prio (1);
2380} 2807}
2381 2808
2382=item $player_object->enter_exit ($exit_object) 2809=item $player_object->enter_exit ($exit_object)
2383 2810
2403} 2830}
2404 2831
2405sub prepare_random_map { 2832sub prepare_random_map {
2406 my ($exit) = @_; 2833 my ($exit) = @_;
2407 2834
2408 my $guard = cf::lock_acquire "exit_prepare:$exit";
2409
2410 # all this does is basically replace the /! path by 2835 # all this does is basically replace the /! path by
2411 # a new random map path (?random/...) with a seed 2836 # a new random map path (?random/...) with a seed
2412 # that depends on the exit object 2837 # that depends on the exit object
2413 2838
2414 my $rmp = parse_random_map_params $exit->msg; 2839 my $rmp = parse_random_map_params $exit->msg;
2416 if ($exit->map) { 2841 if ($exit->map) {
2417 $rmp->{region} = $exit->region->name; 2842 $rmp->{region} = $exit->region->name;
2418 $rmp->{origin_map} = $exit->map->path; 2843 $rmp->{origin_map} = $exit->map->path;
2419 $rmp->{origin_x} = $exit->x; 2844 $rmp->{origin_x} = $exit->x;
2420 $rmp->{origin_y} = $exit->y; 2845 $rmp->{origin_y} = $exit->y;
2846
2847 $exit->map->touch;
2421 } 2848 }
2422 2849
2423 $rmp->{random_seed} ||= $exit->random_seed; 2850 $rmp->{random_seed} ||= $exit->random_seed;
2424 2851
2425 my $data = cf::to_json $rmp; 2852 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2426 my $md5 = Digest::MD5::md5_hex $data; 2853 my $md5 = Digest::MD5::md5_hex $data;
2427 my $meta = "$RANDOMDIR/$md5.meta"; 2854 my $meta = "$RANDOMDIR/$md5.meta";
2428 2855
2429 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2430 aio_write $fh, 0, (length $data), $data, 0; 2857 aio_write $fh, 0, (length $data), $data, 0;
2431 undef $fh; 2858 undef $fh;
2432 aio_rename "$meta~", $meta; 2859 aio_rename "$meta~", $meta;
2433 2860
2861 my $slaying = "?random/$md5";
2862
2863 if ($exit->valid) {
2434 $exit->slaying ("?random/$md5"); 2864 $exit->slaying ("?random/$md5");
2435 $exit->msg (undef); 2865 $exit->msg (undef);
2866 }
2436 } 2867 }
2437} 2868}
2438 2869
2439sub cf::object::player::enter_exit { 2870sub cf::object::player::enter_exit {
2440 my ($self, $exit) = @_; 2871 my ($self, $exit) = @_;
2441 2872
2442 return unless $self->type == cf::PLAYER; 2873 return unless $self->type == cf::PLAYER;
2443 2874
2444 if ($exit->slaying eq "/!") {
2445 #TODO: this should de-fi-ni-te-ly not be a sync-job
2446 # the problem is that $exit might not survive long enough
2447 # so it needs to be done right now, right here
2448 cf::sync_job { prepare_random_map $exit };
2449 }
2450
2451 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2452 my $hp = $exit->stats->hp;
2453 my $sp = $exit->stats->sp;
2454
2455 $self->enter_link; 2875 $self->enter_link;
2456 2876
2457 # if exit is damned, update players death & WoR home-position
2458 $self->contr->savebed ($slaying, $hp, $sp)
2459 if $exit->flag (FLAG_DAMNED);
2460
2461 (async { 2877 (async {
2462 $self->deactivate_recursive; # just to be sure 2878 $Coro::current->{desc} = "enter_exit";
2879
2463 unless (eval { 2880 unless (eval {
2881 $self->deactivate_recursive; # just to be sure
2882
2883 # random map handling
2884 {
2885 my $guard = cf::lock_acquire "exit_prepare:$exit";
2886
2887 prepare_random_map $exit
2888 if $exit->slaying eq "/!";
2889 }
2890
2891 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2892 my $x = $exit->stats->hp;
2893 my $y = $exit->stats->sp;
2894
2464 $self->goto ($slaying, $hp, $sp); 2895 $self->goto ($map, $x, $y);
2465 2896
2897 # if exit is damned, update players death & WoR home-position
2898 $self->contr->savebed ($map, $x, $y)
2899 if $exit->flag (cf::FLAG_DAMNED);
2900
2466 1; 2901 1
2467 }) { 2902 }) {
2468 $self->message ("Something went wrong deep within the crossfire server. " 2903 $self->message ("Something went wrong deep within the deliantra server. "
2469 . "I'll try to bring you back to the map you were before. " 2904 . "I'll try to bring you back to the map you were before. "
2470 . "Please report this to the dungeon master!", 2905 . "Please report this to the dungeon master!",
2471 cf::NDI_UNIQUE | cf::NDI_RED); 2906 cf::NDI_UNIQUE | cf::NDI_RED);
2472 2907
2473 warn "ERROR in enter_exit: $@"; 2908 error "ERROR in enter_exit: $@";
2474 $self->leave_link; 2909 $self->leave_link;
2475 } 2910 }
2476 })->prio (1); 2911 })->prio (1);
2477} 2912}
2478 2913
2490sub cf::client::send_drawinfo { 2925sub cf::client::send_drawinfo {
2491 my ($self, $text, $flags) = @_; 2926 my ($self, $text, $flags) = @_;
2492 2927
2493 utf8::encode $text; 2928 utf8::encode $text;
2494 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2929 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2930}
2931
2932=item $client->send_big_packet ($pkt)
2933
2934Like C<send_packet>, but tries to compress large packets, and fragments
2935them as required.
2936
2937=cut
2938
2939our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2940
2941sub cf::client::send_big_packet {
2942 my ($self, $pkt) = @_;
2943
2944 # try lzf for large packets
2945 $pkt = "lzf " . Compress::LZF::compress $pkt
2946 if 1024 <= length $pkt and $self->{can_lzf};
2947
2948 # split very large packets
2949 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2950 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2951 $pkt = "frag";
2952 }
2953
2954 $self->send_packet ($pkt);
2495} 2955}
2496 2956
2497=item $client->send_msg ($channel, $msg, $color, [extra...]) 2957=item $client->send_msg ($channel, $msg, $color, [extra...])
2498 2958
2499Send a drawinfo or msg packet to the client, formatting the msg for the 2959Send a drawinfo or msg packet to the client, formatting the msg for the
2501the message, with C<log> being the default. If C<$color> is negative, suppress 2961the message, with C<log> being the default. If C<$color> is negative, suppress
2502the message unless the client supports the msg packet. 2962the message unless the client supports the msg packet.
2503 2963
2504=cut 2964=cut
2505 2965
2966# non-persistent channels (usually the info channel)
2967our %CHANNEL = (
2968 "c/motd" => {
2969 id => "infobox",
2970 title => "MOTD",
2971 reply => undef,
2972 tooltip => "The message of the day",
2973 },
2974 "c/identify" => {
2975 id => "infobox",
2976 title => "Identify",
2977 reply => undef,
2978 tooltip => "Items recently identified",
2979 },
2980 "c/examine" => {
2981 id => "infobox",
2982 title => "Examine",
2983 reply => undef,
2984 tooltip => "Signs and other items you examined",
2985 },
2986 "c/shopinfo" => {
2987 id => "infobox",
2988 title => "Shop Info",
2989 reply => undef,
2990 tooltip => "What your bargaining skill tells you about the shop",
2991 },
2992 "c/book" => {
2993 id => "infobox",
2994 title => "Book",
2995 reply => undef,
2996 tooltip => "The contents of a note or book",
2997 },
2998 "c/lookat" => {
2999 id => "infobox",
3000 title => "Look",
3001 reply => undef,
3002 tooltip => "What you saw there",
3003 },
3004 "c/who" => {
3005 id => "infobox",
3006 title => "Players",
3007 reply => undef,
3008 tooltip => "Shows players who are currently online",
3009 },
3010 "c/body" => {
3011 id => "infobox",
3012 title => "Body Parts",
3013 reply => undef,
3014 tooltip => "Shows which body parts you posess and are available",
3015 },
3016 "c/statistics" => {
3017 id => "infobox",
3018 title => "Statistics",
3019 reply => undef,
3020 tooltip => "Shows your primary statistics",
3021 },
3022 "c/skills" => {
3023 id => "infobox",
3024 title => "Skills",
3025 reply => undef,
3026 tooltip => "Shows your experience per skill and item power",
3027 },
3028 "c/shopitems" => {
3029 id => "infobox",
3030 title => "Shop Items",
3031 reply => undef,
3032 tooltip => "Shows the items currently for sale in this shop",
3033 },
3034 "c/resistances" => {
3035 id => "infobox",
3036 title => "Resistances",
3037 reply => undef,
3038 tooltip => "Shows your resistances",
3039 },
3040 "c/pets" => {
3041 id => "infobox",
3042 title => "Pets",
3043 reply => undef,
3044 tooltip => "Shows information abotu your pets/a specific pet",
3045 },
3046 "c/perceiveself" => {
3047 id => "infobox",
3048 title => "Perceive Self",
3049 reply => undef,
3050 tooltip => "You gained detailed knowledge about yourself",
3051 },
3052 "c/uptime" => {
3053 id => "infobox",
3054 title => "Uptime",
3055 reply => undef,
3056 tooltip => "How long the server has been running since last restart",
3057 },
3058 "c/mapinfo" => {
3059 id => "infobox",
3060 title => "Map Info",
3061 reply => undef,
3062 tooltip => "Information related to the maps",
3063 },
3064 "c/party" => {
3065 id => "party",
3066 title => "Party",
3067 reply => "gsay ",
3068 tooltip => "Messages and chat related to your party",
3069 },
3070 "c/death" => {
3071 id => "death",
3072 title => "Death",
3073 reply => undef,
3074 tooltip => "Reason for and more info about your most recent death",
3075 },
3076 "c/say" => $SAY_CHANNEL,
3077 "c/chat" => $CHAT_CHANNEL,
3078);
3079
2506sub cf::client::send_msg { 3080sub cf::client::send_msg {
2507 my ($self, $channel, $msg, $color, @extra) = @_; 3081 my ($self, $channel, $msg, $color, @extra) = @_;
2508 3082
2509 $msg = $self->pl->expand_cfpod ($msg); 3083 $msg = $self->pl->expand_cfpod ($msg)
3084 unless $color & cf::NDI_VERBATIM;
2510 3085
2511 $color &= ~cf::NDI_UNIQUE; # just in case... 3086 $color &= cf::NDI_CLIENT_MASK; # just in case...
2512 3087
3088 # check predefined channels, for the benefit of C
3089 if ($CHANNEL{$channel}) {
3090 $channel = $CHANNEL{$channel};
3091
3092 $self->ext_msg (channel_info => $channel);
3093 $channel = $channel->{id};
3094
2513 if (ref $channel) { 3095 } elsif (ref $channel) {
2514 # send meta info to client, if not yet sent 3096 # send meta info to client, if not yet sent
2515 unless (exists $self->{channel}{$channel->{id}}) { 3097 unless (exists $self->{channel}{$channel->{id}}) {
2516 $self->{channel}{$channel->{id}} = $channel; 3098 $self->{channel}{$channel->{id}} = $channel;
2517 $self->ext_event (channel_info => %$channel); 3099 $self->ext_msg (channel_info => $channel);
2518 } 3100 }
2519 3101
2520 $channel = $channel->{id}; 3102 $channel = $channel->{id};
2521 } 3103 }
2522 3104
2523 return unless @extra || length $msg; 3105 return unless @extra || length $msg;
2524 3106
2525 if ($self->can_msg) { 3107 # default colour, mask it out
2526 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); 3108 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2527 } else { 3109 if $color & cf::NDI_DEF;
2528 # replace some tags by gcfclient-compatible ones
2529 for ($msg) {
2530 1 while
2531 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2532 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2533 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2534 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2535 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2536 }
2537 3110
2538 if ($color >= 0) { 3111 my $pkt = "msg "
2539 if (0 && $msg =~ /\[/) { 3112 . $self->{json_coder}->encode (
2540 $self->send_packet ("drawextinfo $color 4 0 $msg") 3113 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541 } else { 3114 );
2542 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2543 $self->send_packet ("drawinfo $color $msg")
2544 }
2545 }
2546 }
2547}
2548 3115
3116 $self->send_big_packet ($pkt);
3117}
3118
2549=item $client->ext_event ($type, %msg) 3119=item $client->ext_msg ($type, @msg)
2550 3120
2551Sends an ext event to the client. 3121Sends an ext event to the client.
2552 3122
2553=cut 3123=cut
2554 3124
2555sub cf::client::ext_event($$%) { 3125sub cf::client::ext_msg($$@) {
2556 my ($self, $type, %msg) = @_; 3126 my ($self, $type, @msg) = @_;
2557 3127
2558 return unless $self->extcmd; 3128 if ($self->extcmd == 2) {
2559 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3130 } elsif ($self->extcmd == 1) { # TODO: remove
2560 $msg{msgtype} = "event_$type"; 3131 push @msg, msgtype => "event_$type";
2561 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3133 }
3134}
3135
3136=item $client->ext_reply ($msgid, @msg)
3137
3138Sends an ext reply to the client.
3139
3140=cut
3141
3142sub cf::client::ext_reply($$@) {
3143 my ($self, $id, @msg) = @_;
3144
3145 if ($self->extcmd == 2) {
3146 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3147 } elsif ($self->extcmd == 1) {
3148 #TODO: version 1, remove
3149 unshift @msg, msgtype => "reply", msgid => $id;
3150 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3151 }
2562} 3152}
2563 3153
2564=item $success = $client->query ($flags, "text", \&cb) 3154=item $success = $client->query ($flags, "text", \&cb)
2565 3155
2566Queues a query to the client, calling the given callback with 3156Queues a query to the client, calling the given callback with
2621 my ($ns, $buf) = @_; 3211 my ($ns, $buf) = @_;
2622 3212
2623 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3213 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2624 3214
2625 if (ref $msg) { 3215 if (ref $msg) {
3216 my ($type, $reply, @payload) =
3217 "ARRAY" eq ref $msg
3218 ? @$msg
3219 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3220
3221 my @reply;
3222
2626 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3223 if (my $cb = $EXTICMD{$type}) {
2627 if (my %reply = $cb->($ns, $msg)) { 3224 @reply = $cb->($ns, @payload);
2628 $reply{msgid} = $msg->{msgid};
2629 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2630 }
2631 } 3225 }
3226
3227 $ns->ext_reply ($reply, @reply)
3228 if $reply;
3229
2632 } else { 3230 } else {
2633 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3231 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2634 } 3232 }
2635 3233
2636 cf::override; 3234 cf::override;
2637 }, 3235 },
2638); 3236);
2658 3256
2659 $coro 3257 $coro
2660} 3258}
2661 3259
2662cf::client->attach ( 3260cf::client->attach (
2663 on_destroy => sub { 3261 on_client_destroy => sub {
2664 my ($ns) = @_; 3262 my ($ns) = @_;
2665 3263
2666 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3264 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2667 }, 3265 },
2668); 3266);
2683our $safe = new Safe "safe"; 3281our $safe = new Safe "safe";
2684our $safe_hole = new Safe::Hole; 3282our $safe_hole = new Safe::Hole;
2685 3283
2686$SIG{FPE} = 'IGNORE'; 3284$SIG{FPE} = 'IGNORE';
2687 3285
2688$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3286$safe->permit_only (Opcode::opset qw(
3287 :base_core :base_mem :base_orig :base_math :base_loop
3288 grepstart grepwhile mapstart mapwhile
3289 sort time
3290));
2689 3291
2690# here we export the classes and methods available to script code 3292# here we export the classes and methods available to script code
2691 3293
2692=pod 3294=pod
2693 3295
2694The following functions and methods are available within a safe environment: 3296The following functions and methods are available within a safe environment:
2695 3297
2696 cf::object 3298 cf::object
2697 contr pay_amount pay_player map x y force_find force_add 3299 contr pay_amount pay_player map x y force_find force_add destroy
2698 insert remove 3300 insert remove name archname title slaying race decrease split
3301 value
2699 3302
2700 cf::object::player 3303 cf::object::player
2701 player 3304 player
2702 3305
2703 cf::player 3306 cf::player
2708 3311
2709=cut 3312=cut
2710 3313
2711for ( 3314for (
2712 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3315 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2713 insert remove)], 3316 insert remove inv nrof name archname title slaying race
3317 decrease split destroy change_exp value msg lore send_msg)],
2714 ["cf::object::player" => qw(player)], 3318 ["cf::object::player" => qw(player)],
2715 ["cf::player" => qw(peaceful)], 3319 ["cf::player" => qw(peaceful send_msg)],
2716 ["cf::map" => qw(trigger)], 3320 ["cf::map" => qw(trigger)],
2717) { 3321) {
2718 no strict 'refs';
2719 my ($pkg, @funs) = @$_; 3322 my ($pkg, @funs) = @$_;
2720 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3323 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2721 for @funs; 3324 for @funs;
2722} 3325}
2723 3326
2738 3341
2739 my $qcode = $code; 3342 my $qcode = $code;
2740 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3343 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2741 $qcode =~ s/\n/\\n/g; 3344 $qcode =~ s/\n/\\n/g;
2742 3345
3346 %vars = (_dummy => 0) unless %vars;
3347
3348 my @res;
2743 local $_; 3349 local $_;
2744 local @safe::cf::_safe_eval_args = values %vars;
2745 3350
2746 my $eval = 3351 my $eval =
2747 "do {\n" 3352 "do {\n"
2748 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3353 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2749 . "#line 0 \"{$qcode}\"\n" 3354 . "#line 0 \"{$qcode}\"\n"
2750 . $code 3355 . $code
2751 . "\n}" 3356 . "\n}"
2752 ; 3357 ;
2753 3358
3359 if ($CFG{safe_eval}) {
2754 sub_generation_inc; 3360 sub_generation_inc;
3361 local @safe::cf::_safe_eval_args = values %vars;
2755 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3362 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2756 sub_generation_inc; 3363 sub_generation_inc;
3364 } else {
3365 local @cf::_safe_eval_args = values %vars;
3366 @res = wantarray ? eval eval : scalar eval $eval;
3367 }
2757 3368
2758 if ($@) { 3369 if ($@) {
2759 warn "$@"; 3370 warn "$@",
2760 warn "while executing safe code '$code'\n"; 3371 "while executing safe code '$code'\n",
2761 warn "with arguments " . (join " ", %vars) . "\n"; 3372 "with arguments " . (join " ", %vars) . "\n";
2762 } 3373 }
2763 3374
2764 wantarray ? @res : $res[0] 3375 wantarray ? @res : $res[0]
2765} 3376}
2766 3377
2780=cut 3391=cut
2781 3392
2782sub register_script_function { 3393sub register_script_function {
2783 my ($fun, $cb) = @_; 3394 my ($fun, $cb) = @_;
2784 3395
2785 no strict 'refs'; 3396 $fun = "safe::$fun" if $CFG{safe_eval};
2786 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3397 *$fun = $safe_hole->wrap ($cb);
2787} 3398}
2788 3399
2789=back 3400=back
2790 3401
2791=cut 3402=cut
2794# the server's init and main functions 3405# the server's init and main functions
2795 3406
2796sub load_facedata($) { 3407sub load_facedata($) {
2797 my ($path) = @_; 3408 my ($path) = @_;
2798 3409
3410 # HACK to clear player env face cache, we need some signal framework
3411 # for this (global event?)
3412 %ext::player_env::MUSIC_FACE_CACHE = ();
3413
3414 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3415
2799 warn "loading facedata from $path\n"; 3416 trace "loading facedata from $path\n";
2800 3417
2801 my $facedata;
2802 0 < aio_load $path, $facedata 3418 0 < aio_load $path, my $facedata
2803 or die "$path: $!"; 3419 or die "$path: $!";
2804 3420
2805 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2806 3422
2807 $facedata->{version} == 2 3423 $facedata->{version} == 2
2808 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2809 3425
3426 # patch in the exptable
3427 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3428 $facedata->{resource}{"res/exp_table"} = {
3429 type => FT_RSRC,
3430 data => $exp_table,
3431 hash => (Digest::MD5::md5 $exp_table),
3432 };
3433 cf::cede_to_tick;
3434
2810 { 3435 {
2811 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2812 3437
2813 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2814 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2815 cf::face::set_visibility $idx, $info->{visibility}; 3441 cf::face::set_visibility $idx, $info->{visibility};
2816 cf::face::set_magicmap $idx, $info->{magicmap}; 3442 cf::face::set_magicmap $idx, $info->{magicmap};
2817 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2818 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2819 3445
2820 cf::cede_to_tick; 3446 cf::cede_to_tick;
2821 } 3447 }
2822 3448
2823 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2824 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2825 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2826 or next; 3453 or next;
3454
2827 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
2828 cf::face::set_smooth $idx, $smooth; 3456 cf::face::set_smooth $idx, $smooth;
2829 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2830 } else { 3458 } else {
2831 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2832 } 3460 }
2833 3461
2834 cf::cede_to_tick; 3462 cf::cede_to_tick;
2835 } 3463 }
2836 } 3464 }
2845 3473
2846 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2847 } 3475 }
2848 3476
2849 { 3477 {
2850 # TODO: for gcfclient pleasure, we should give resources
2851 # that gcfclient doesn't grok a >10000 face index.
2852 my $res = $facedata->{resource}; 3478 my $res = $facedata->{resource};
2853 my $enc = JSON::XS->new->utf8->canonical;
2854 3479
2855 while (my ($name, $info) = each %$res) { 3480 while (my ($name, $info) = each %$res) {
2856 my $meta = $enc->encode ({ 3481 if (defined $info->{type}) {
2857 name => $name,
2858 type => $info->{type},
2859 copyright => $info->{copyright}, #TODO#
2860 });
2861
2862 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2863 3483
2864 if ($name =~ /\.jpg$/) {
2865 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack 3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2866 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack 3485 cf::face::set_type $idx, $info->{type};
2867 } else { 3486 } else {
2868 my $data = pack "(w/a*)*", $meta, $info->{data}; 3487 $RESOURCE{$name} = $info; # unused
2869 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2870
2871 cf::face::set_type $idx, 1;
2872 cf::face::set_data $idx, 0, $data, $chk;
2873 } 3488 }
2874 3489
2875 cf::cede_to_tick; 3490 cf::cede_to_tick;
2876 } 3491 }
2877 } 3492 }
2878 3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3495
2879 1 3496 1
2880} 3497}
2881 3498
3499register_exticmd fx_want => sub {
3500 my ($ns, $want) = @_;
3501
3502 while (my ($k, $v) = each %$want) {
3503 $ns->fx_want ($k, $v);
3504 }
3505};
3506
3507sub load_resource_file($) {
3508 my $guard = lock_acquire "load_resource_file";
3509
3510 my $status = load_resource_file_ $_[0];
3511 get_slot 0.1, 100;
3512 cf::arch::commit_load;
3513
3514 $status
3515}
3516
2882sub reload_regions { 3517sub reload_regions {
3518 # HACK to clear player env face cache, we need some signal framework
3519 # for this (global event?)
3520 %ext::player_env::MUSIC_FACE_CACHE = ();
3521
2883 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2884 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
2885 3524
2886 for (cf::region::list) { 3525 for (cf::region::list) {
2887 $_->{match} = qr/$_->{match}/ 3526 $_->{match} = qr/$_->{match}/
2895} 3534}
2896 3535
2897sub reload_archetypes { 3536sub reload_archetypes {
2898 load_resource_file "$DATADIR/archetypes" 3537 load_resource_file "$DATADIR/archetypes"
2899 or die "unable to load archetypes\n"; 3538 or die "unable to load archetypes\n";
2900 #d# NEED to laod twice to resolve forward references
2901 # this really needs to be done in an extra post-pass
2902 # (which needs to be synchronous, so solve it differently)
2903 load_resource_file "$DATADIR/archetypes"
2904 or die "unable to load archetypes\n";
2905} 3539}
2906 3540
2907sub reload_treasures { 3541sub reload_treasures {
2908 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2909 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2910} 3544}
2911 3545
3546sub reload_sound {
3547 trace "loading sound config from $DATADIR/sound\n";
3548
3549 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3550 or die "$DATADIR/sound $!";
3551
3552 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3553
3554 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3555 my $sound = $soundconf->{compat}[$_]
3556 or next;
3557
3558 my $face = cf::face::find "sound/$sound->[1]";
3559 cf::sound::set $sound->[0] => $face;
3560 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3561 }
3562
3563 while (my ($k, $v) = each %{$soundconf->{event}}) {
3564 my $face = cf::face::find "sound/$v";
3565 cf::sound::set $k => $face;
3566 }
3567}
3568
2912sub reload_resources { 3569sub reload_resources {
2913 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2914 3571
3572 reload_exp_table;
3573 reload_materials;
3574 reload_facedata;
3575 reload_sound;
3576 reload_archetypes;
2915 reload_regions; 3577 reload_regions;
2916 reload_facedata;
2917 #reload_archetypes;#d#
2918 reload_archetypes;
2919 reload_treasures; 3578 reload_treasures;
2920 3579
2921 warn "finished reloading resource files\n"; 3580 trace "finished reloading resource files\n";
2922} 3581}
2923 3582
2924sub init { 3583sub reload_config {
2925 reload_resources; 3584 trace "reloading config file...\n";
2926}
2927 3585
2928sub cfg_load { 3586 0 < aio_load "$CONFDIR/config", my $config
2929 open my $fh, "<:utf8", "$CONFDIR/config" 3587 or die "$CONFDIR/config: $!";
2930 or return;
2931 3588
2932 local $/; 3589 utf8::decode $config;
2933 *CFG = YAML::Syck::Load <$fh>; 3590 *CFG = yaml_load $config;
2934 3591
2935 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3592 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2936 3593
2937 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3594 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2938 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3595 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2939 3596
2940 if (exists $CFG{mlockall}) { 3597 if (exists $CFG{mlockall}) {
2944 }; 3601 };
2945 warn $@ if $@; 3602 warn $@ if $@;
2946 } 3603 }
2947} 3604}
2948 3605
3606sub pidfile() {
3607 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3608 or die "$PIDFILE: $!";
3609 flock $fh, &Fcntl::LOCK_EX
3610 or die "$PIDFILE: flock: $!";
3611 $fh
3612}
3613
3614# make sure only one server instance is running at any one time
3615sub atomic {
3616 my $fh = pidfile;
3617
3618 my $pid = <$fh>;
3619 kill 9, $pid if $pid > 0;
3620
3621 seek $fh, 0, 0;
3622 print $fh $$;
3623}
3624
3625sub main_loop {
3626 trace "EV::loop starting\n";
3627 if (1) {
3628 EV::loop;
3629 }
3630 trace "EV::loop returned\n";
3631 goto &main_loop unless $REALLY_UNLOOP;
3632}
3633
2949sub main { 3634sub main {
3635 cf::init_globals; # initialise logging
3636
3637 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3638 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3639 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3640 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3641
3642 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3643
2950 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
2951 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
2952 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3646 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2953 (async { 3647 (async {
2954 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
2955 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
2956 }; 3651 };
2957 3652
2958 cfg_load; 3653 evthread_start IO::AIO::poll_fileno;
3654
3655 cf::sync_job {
3656 cf::incloader::init ();
3657
3658 cf::init_anim;
3659 cf::init_attackmess;
3660 cf::init_dynamic;
3661
3662 cf::load_settings;
3663
3664 reload_resources;
3665 reload_config;
2959 db_init; 3666 db_init;
3667
3668 cf::init_uuid;
3669 cf::init_signals;
3670 cf::init_skills;
3671
3672 cf::init_beforeplay;
3673
3674 atomic;
3675
2960 load_extensions; 3676 load_extensions;
2961 3677
2962 $TICK_WATCHER->start; 3678 utime time, time, $RUNTIMEFILE;
2963 Event::loop; 3679
3680 # no (long-running) fork's whatsoever before this point(!)
3681 use POSIX ();
3682 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3683
3684 cf::_post_init 0;
3685 };
3686
3687 cf::object::thawer::errors_are_fatal 0;
3688 info "parse errors in files are no longer fatal from this point on.\n";
3689
3690 my $free_main; $free_main = EV::idle sub {
3691 undef $free_main;
3692 undef &main; # free gobs of memory :)
3693 };
3694
3695 goto &main_loop;
2964} 3696}
2965 3697
2966############################################################################# 3698#############################################################################
2967# initialisation and cleanup 3699# initialisation and cleanup
2968 3700
2969# install some emergency cleanup handlers 3701# install some emergency cleanup handlers
2970BEGIN { 3702BEGIN {
3703 our %SIGWATCHER = ();
2971 for my $signal (qw(INT HUP TERM)) { 3704 for my $signal (qw(INT HUP TERM)) {
2972 Event->signal ( 3705 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2973 reentrant => 0,
2974 data => WF_AUTOCANCEL,
2975 signal => $signal,
2976 prio => 0,
2977 cb => sub {
2978 cf::cleanup "SIG$signal"; 3706 cf::cleanup "SIG$signal";
2979 },
2980 ); 3707 };
2981 } 3708 }
2982} 3709}
2983 3710
2984sub write_runtime { 3711sub write_runtime_sync {
2985 my $runtime = "$LOCALDIR/runtime"; 3712 my $t0 = AE::time;
2986 3713
2987 # first touch the runtime file to show we are still running: 3714 # first touch the runtime file to show we are still running:
2988 # the fsync below can take a very very long time. 3715 # the fsync below can take a very very long time.
2989 3716
2990 IO::AIO::aio_utime $runtime, undef, undef; 3717 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2991 3718
2992 my $guard = cf::lock_acquire "write_runtime"; 3719 my $guard = cf::lock_acquire "write_runtime";
2993 3720
2994 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3721 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2995 or return; 3722 or return;
2996 3723
2997 my $value = $cf::RUNTIME + 90 + 10; 3724 my $value = $cf::RUNTIME + 90 + 10;
2998 # 10 is the runtime save interval, for a monotonic clock 3725 # 10 is the runtime save interval, for a monotonic clock
2999 # 60 allows for the watchdog to kill the server. 3726 # 60 allows for the watchdog to kill the server.
3009 aio_utime $fh, undef, undef; 3736 aio_utime $fh, undef, undef;
3010 3737
3011 close $fh 3738 close $fh
3012 or return; 3739 or return;
3013 3740
3014 aio_rename "$runtime~", $runtime 3741 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3015 and return; 3742 and return;
3016 3743
3017 warn "runtime file written.\n"; 3744 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3018 3745
3019 1 3746 1
3747}
3748
3749our $uuid_lock;
3750our $uuid_skip;
3751
3752sub write_uuid_sync($) {
3753 $uuid_skip ||= $_[0];
3754
3755 return if $uuid_lock;
3756 local $uuid_lock = 1;
3757
3758 my $uuid = "$LOCALDIR/uuid";
3759
3760 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3761 or return;
3762
3763 my $value = uuid_seq uuid_cur;
3764
3765 unless ($value) {
3766 info "cowardly refusing to write zero uuid value!\n";
3767 return;
3768 }
3769
3770 my $value = uuid_str $value + $uuid_skip;
3771 $uuid_skip = 0;
3772
3773 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3774 and return;
3775
3776 # always fsync - this file is important
3777 aio_fsync $fh
3778 and return;
3779
3780 close $fh
3781 or return;
3782
3783 aio_rename "$uuid~", $uuid
3784 and return;
3785
3786 trace "uuid file written ($value).\n";
3787
3788 1
3789
3790}
3791
3792sub write_uuid($$) {
3793 my ($skip, $sync) = @_;
3794
3795 $sync ? write_uuid_sync $skip
3796 : async { write_uuid_sync $skip };
3020} 3797}
3021 3798
3022sub emergency_save() { 3799sub emergency_save() {
3023 my $freeze_guard = cf::freeze_mainloop; 3800 my $freeze_guard = cf::freeze_mainloop;
3024 3801
3025 warn "enter emergency perl save\n"; 3802 info "emergency_perl_save: enter\n";
3803
3804 # this is a trade-off: we want to be very quick here, so
3805 # save all maps without fsync, and later call a global sync
3806 # (which in turn might be very very slow)
3807 local $USE_FSYNC = 0;
3026 3808
3027 cf::sync_job { 3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
3811
3028 # use a peculiar iteration method to avoid tripping on perl 3812 # use a peculiar iteration method to avoid tripping on perl
3029 # refcount bugs in for. also avoids problems with players 3813 # refcount bugs in for. also avoids problems with players
3030 # and maps saved/destroyed asynchronously. 3814 # and maps saved/destroyed asynchronously.
3031 warn "begin emergency player save\n"; 3815 info "emergency_perl_save: begin player save\n";
3032 for my $login (keys %cf::PLAYER) { 3816 for my $login (keys %cf::PLAYER) {
3033 my $pl = $cf::PLAYER{$login} or next; 3817 my $pl = $cf::PLAYER{$login} or next;
3034 $pl->valid or next; 3818 $pl->valid or next;
3819 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3035 $pl->save; 3820 $pl->save;
3036 } 3821 }
3037 warn "end emergency player save\n"; 3822 info "emergency_perl_save: end player save\n";
3038 3823
3039 warn "begin emergency map save\n"; 3824 cf::write_runtime_sync; # external watchdog should not bark
3825
3826 info "emergency_perl_save: begin map save\n";
3040 for my $path (keys %cf::MAP) { 3827 for my $path (keys %cf::MAP) {
3041 my $map = $cf::MAP{$path} or next; 3828 my $map = $cf::MAP{$path} or next;
3042 $map->valid or next; 3829 $map->valid or next;
3043 $map->save; 3830 $map->save;
3044 } 3831 }
3045 warn "end emergency map save\n"; 3832 info "emergency_perl_save: end map save\n";
3046 3833
3047 warn "begin emergency database checkpoint\n"; 3834 cf::write_runtime_sync; # external watchdog should not bark
3835
3836 info "emergency_perl_save: begin database checkpoint\n";
3048 BDB::db_env_txn_checkpoint $DB_ENV; 3837 BDB::db_env_txn_checkpoint $DB_ENV;
3049 warn "end emergency database checkpoint\n"; 3838 info "emergency_perl_save: end database checkpoint\n";
3839
3840 info "emergency_perl_save: begin write uuid\n";
3841 write_uuid_sync 1;
3842 info "emergency_perl_save: end write uuid\n";
3843
3844 cf::write_runtime_sync; # external watchdog should not bark
3845
3846 trace "emergency_perl_save: syncing database to disk";
3847 BDB::db_env_txn_checkpoint $DB_ENV;
3848
3849 info "emergency_perl_save: starting sync\n";
3850 IO::AIO::aio_sync sub {
3851 info "emergency_perl_save: finished sync\n";
3852 };
3853
3854 cf::write_runtime_sync; # external watchdog should not bark
3855
3856 trace "emergency_perl_save: flushing outstanding aio requests";
3857 while (IO::AIO::nreqs || BDB::nreqs) {
3858 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3859 }
3860
3861 cf::write_runtime_sync; # external watchdog should not bark
3050 }; 3862 };
3051 3863
3052 warn "leave emergency perl save\n"; 3864 info "emergency_perl_save: leave\n";
3053} 3865}
3054 3866
3055sub post_cleanup { 3867sub post_cleanup {
3056 my ($make_core) = @_; 3868 my ($make_core) = @_;
3057 3869
3870 IO::AIO::flush;
3871
3058 warn Carp::longmess "post_cleanup backtrace" 3872 error Carp::longmess "post_cleanup backtrace"
3059 if $make_core; 3873 if $make_core;
3874
3875 my $fh = pidfile;
3876 unlink $PIDFILE if <$fh> == $$;
3877}
3878
3879# a safer delete_package, copied from Symbol
3880sub clear_package($) {
3881 my $pkg = shift;
3882
3883 # expand to full symbol table name if needed
3884 unless ($pkg =~ /^main::.*::$/) {
3885 $pkg = "main$pkg" if $pkg =~ /^::/;
3886 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3887 $pkg .= '::' unless $pkg =~ /::$/;
3888 }
3889
3890 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3891 my $stem_symtab = *{$stem}{HASH};
3892
3893 defined $stem_symtab and exists $stem_symtab->{$leaf}
3894 or return;
3895
3896 # clear all symbols
3897 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3898 for my $name (keys %$leaf_symtab) {
3899 _gv_clear *{"$pkg$name"};
3900# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3901 }
3060} 3902}
3061 3903
3062sub do_reload_perl() { 3904sub do_reload_perl() {
3063 # can/must only be called in main 3905 # can/must only be called in main
3064 if ($Coro::current != $Coro::main) { 3906 unless (in_main) {
3065 warn "can only reload from main coroutine"; 3907 error "can only reload from main coroutine";
3066 return; 3908 return;
3067 } 3909 }
3068 3910
3069 warn "reloading..."; 3911 return if $RELOAD++;
3070 3912
3071 warn "entering sync_job"; 3913 my $t1 = AE::time;
3072 3914
3915 while ($RELOAD) {
3916 cf::get_slot 0.1, -1, "reload_perl";
3917 info "perl_reload: reloading...";
3918
3919 trace "perl_reload: entering sync_job";
3920
3073 cf::sync_job { 3921 cf::sync_job {
3074 cf::write_runtime; # external watchdog should not bark
3075 cf::emergency_save; 3922 #cf::emergency_save;
3076 cf::write_runtime; # external watchdog should not bark
3077 3923
3078 warn "syncing database to disk";
3079 BDB::db_env_txn_checkpoint $DB_ENV;
3080
3081 # if anything goes wrong in here, we should simply crash as we already saved
3082
3083 warn "cancelling all WF_AUTOCANCEL watchers";
3084 for (Event::all_watchers) {
3085 $_->cancel if $_->data & WF_AUTOCANCEL;
3086 }
3087
3088 warn "flushing outstanding aio requests";
3089 for (;;) {
3090 BDB::flush;
3091 IO::AIO::flush;
3092 Coro::cede;
3093 last unless IO::AIO::nreqs || BDB::nreqs;
3094 warn "iterate...";
3095 }
3096
3097 ++$RELOAD;
3098
3099 warn "cancelling all extension coros"; 3924 trace "perl_reload: cancelling all extension coros";
3100 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
3101 %EXT_CORO = (); 3926 %EXT_CORO = ();
3102 3927
3103 warn "removing commands"; 3928 trace "perl_reload: removing commands";
3104 %COMMAND = (); 3929 %COMMAND = ();
3105 3930
3106 warn "removing ext/exti commands"; 3931 trace "perl_reload: removing ext/exti commands";
3107 %EXTCMD = (); 3932 %EXTCMD = ();
3108 %EXTICMD = (); 3933 %EXTICMD = ();
3109 3934
3110 warn "unloading/nuking all extensions"; 3935 trace "perl_reload: unloading/nuking all extensions";
3111 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
3112 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
3113 3938
3114 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
3115 eval { 3940 eval {
3116 $cb->($pkg); 3941 $cb->($pkg);
3117 1 3942 1
3118 } or warn "$pkg unloaded, but with errors: $@"; 3943 } or error "$pkg unloaded, but with errors: $@";
3944 }
3945
3946 trace "... clearing $pkg";
3947 clear_package $pkg;
3119 } 3948 }
3120 3949
3121 warn "... nuking $pkg";
3122 Symbol::delete_package $pkg;
3123 }
3124
3125 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3126 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
3127 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3128 3953
3129 warn "... unloading $k"; 3954 trace "... unloading $k";
3130 delete $INC{$k}; 3955 delete $INC{$k};
3131 3956
3132 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
3133 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
3134 3959
3135 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
3136 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
3137 } 3965 }
3138 3966
3139 Symbol::delete_package $k;
3140 }
3141
3142 warn "getting rid of safe::, as good as possible"; 3967 trace "perl_reload: getting rid of safe::, as good as possible";
3143 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
3144 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3969 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3145 3970
3146 warn "unloading cf.pm \"a bit\""; 3971 trace "perl_reload: unloading cf.pm \"a bit\"";
3147 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
3148 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3149 3974
3150 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
3151 # and global variables created in xs 3976 # and global variables created in xs
3152 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
3153 3978
3154 warn "unload completed, starting to reload now"; 3979 info "perl_reload: unload completed, starting to reload now";
3155 3980
3156 warn "reloading cf.pm"; 3981 trace "perl_reload: reloading cf.pm";
3157 require cf; 3982 require cf;
3158 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
3159 3984
3160 warn "loading config and database again"; 3985 trace "perl_reload: loading config and database again";
3161 cf::cfg_load; 3986 cf::reload_config;
3162 3987
3163 warn "loading extensions"; 3988 trace "perl_reload: loading extensions";
3164 cf::load_extensions; 3989 cf::load_extensions;
3165 3990
3991 if ($REATTACH_ON_RELOAD) {
3166 warn "reattaching attachments to objects/players"; 3992 trace "perl_reload: reattaching attachments to objects/players";
3167 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
3168 warn "reattaching attachments to maps"; 3994 trace "perl_reload: reattaching attachments to maps";
3169 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
3170 warn "reattaching attachments to players"; 3996 trace "perl_reload: reattaching attachments to players";
3171 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
3172 3999
3173 warn "leaving sync_job"; 4000 cf::_post_init 1;
3174 4001
4002 trace "perl_reload: leaving sync_job";
4003
3175 1 4004 1
3176 } or do { 4005 } or do {
3177 warn $@; 4006 error $@;
3178 warn "error while reloading, exiting."; 4007 cf::cleanup "perl_reload: error, exiting.";
3179 exit 1; 4008 };
4009
4010 --$RELOAD;
3180 }; 4011 }
3181 4012
3182 warn "reloaded"; 4013 $t1 = AE::time - $t1;
4014 info "perl_reload: completed in ${t1}s\n";
3183}; 4015};
3184 4016
3185our $RELOAD_WATCHER; # used only during reload 4017our $RELOAD_WATCHER; # used only during reload
3186 4018
3187sub reload_perl() { 4019sub reload_perl() {
3188 # doing reload synchronously and two reloads happen back-to-back, 4020 # doing reload synchronously and two reloads happen back-to-back,
3189 # coro crashes during coro_state_free->destroy here. 4021 # coro crashes during coro_state_free->destroy here.
3190 4022
3191 $RELOAD_WATCHER ||= Event->timer ( 4023 $RELOAD_WATCHER ||= cf::async {
3192 reentrant => 0, 4024 Coro::AIO::aio_wait cache_extensions;
3193 after => 0, 4025
3194 data => WF_AUTOCANCEL, 4026 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3195 cb => sub {
3196 do_reload_perl; 4027 do_reload_perl;
3197 undef $RELOAD_WATCHER; 4028 undef $RELOAD_WATCHER;
3198 }, 4029 };
3199 ); 4030 };
3200} 4031}
3201 4032
3202register_command "reload" => sub { 4033register_command "reload" => sub {
3203 my ($who, $arg) = @_; 4034 my ($who, $arg) = @_;
3204 4035
3205 if ($who->flag (FLAG_WIZ)) { 4036 if ($who->flag (FLAG_WIZ)) {
3206 $who->message ("reloading server."); 4037 $who->message ("reloading server.");
4038 async {
4039 $Coro::current->{desc} = "perl_reload";
3207 async { reload_perl }; 4040 reload_perl;
4041 };
3208 } 4042 }
3209}; 4043};
3210 4044
3211unshift @INC, $LIBDIR; 4045#############################################################################
3212 4046
3213my $bug_warning = 0; 4047my $bug_warning = 0;
3214 4048
3215our @WAIT_FOR_TICK; 4049our @WAIT_FOR_TICK;
3216our @WAIT_FOR_TICK_BEGIN; 4050our @WAIT_FOR_TICK_BEGIN;
3217 4051
3218sub wait_for_tick { 4052sub wait_for_tick() {
3219 return unless $TICK_WATCHER->is_active;
3220 return if $Coro::current == $Coro::main; 4053 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3221 4054
3222 my $signal = new Coro::Signal; 4055 my $signal = new Coro::Signal;
3223 push @WAIT_FOR_TICK, $signal; 4056 push @WAIT_FOR_TICK, $signal;
3224 $signal->wait; 4057 $signal->wait;
3225} 4058}
3226 4059
3227sub wait_for_tick_begin { 4060sub wait_for_tick_begin() {
3228 return unless $TICK_WATCHER->is_active;
3229 return if $Coro::current == $Coro::main; 4061 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3230 4062
3231 my $signal = new Coro::Signal; 4063 my $signal = new Coro::Signal;
3232 push @WAIT_FOR_TICK_BEGIN, $signal; 4064 push @WAIT_FOR_TICK_BEGIN, $signal;
3233 $signal->wait; 4065 $signal->wait;
3234} 4066}
3235 4067
3236 my $min = 1e6;#d# 4068sub tick {
3237 my $avg = 10;
3238$TICK_WATCHER = Event->timer (
3239 reentrant => 0,
3240 parked => 1,
3241 prio => 0,
3242 at => $NEXT_TICK || $TICK,
3243 data => WF_AUTOCANCEL,
3244 cb => sub {
3245 if ($Coro::current != $Coro::main) { 4069 if ($Coro::current != $Coro::main) {
3246 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4070 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3247 unless ++$bug_warning > 10; 4071 unless ++$bug_warning > 10;
3248 return; 4072 return;
3249 } 4073 }
3250 4074
3251 $NOW = $tick_start = Event::time;
3252
3253 cf::server_tick; # one server iteration 4075 cf::server_tick; # one server iteration
3254 4076
3255 0 && sync_job {#d# 4077 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3256 for(1..10) {
3257 my $t = Event::time;
3258 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3259 or die;
3260 4078
3261 $map->width (50); 4079 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3262 $map->height (50); 4080 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3263 $map->alloc; 4081 Coro::async_pool {
3264 $map->_load_objects ("/tmp/x.map", 1); 4082 $Coro::current->{desc} = "runtime saver";
3265 my $t = Event::time - $t; 4083 write_runtime_sync
3266 4084 or error "ERROR: unable to write runtime file: $!";
3267 #next unless $t < 0.0013;#d#
3268 if ($t < $min) {
3269 $min = $t;
3270 }
3271 $avg = $avg * 0.99 + $t * 0.01;
3272 }
3273 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3274 exit 0;
3275 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3276 }; 4085 };
4086 }
3277 4087
3278 $RUNTIME += $TICK;
3279 $NEXT_TICK += $TICK;
3280
3281 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3282 $NEXT_RUNTIME_WRITE = $NOW + 10;
3283 Coro::async_pool {
3284 write_runtime
3285 or warn "ERROR: unable to write runtime file: $!";
3286 };
3287 }
3288
3289# my $AFTER = Event::time;
3290# warn $AFTER - $NOW;#d#
3291
3292 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4088 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3293 $sig->send; 4089 $sig->send;
3294 } 4090 }
3295 while (my $sig = shift @WAIT_FOR_TICK) { 4091 while (my $sig = shift @WAIT_FOR_TICK) {
3296 $sig->send; 4092 $sig->send;
3297 } 4093 }
3298 4094
3299 $NOW = Event::time; 4095 $LOAD = ($NOW - $TICK_START) / $TICK;
3300
3301 # if we are delayed by four ticks or more, skip them all
3302 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3303
3304 $TICK_WATCHER->at ($NEXT_TICK);
3305 $TICK_WATCHER->start;
3306
3307 $LOAD = ($NOW - $tick_start) / $TICK;
3308 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4096 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3309 4097
3310 _post_tick; 4098 if (0) {
3311 4099 if ($NEXT_TICK) {
3312 4100 my $jitter = $TICK_START - $NEXT_TICK;
4101 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4102 debug "jitter $JITTER\n";#d#
4103 }
3313 }, 4104 }
3314); 4105}
3315 4106
3316{ 4107{
3317 BDB::max_poll_time $TICK * 0.1; 4108 # configure BDB
3318 $BDB_POLL_WATCHER = Event->io ( 4109
3319 reentrant => 0,
3320 fd => BDB::poll_fileno,
3321 poll => 'r',
3322 prio => 0,
3323 data => WF_AUTOCANCEL,
3324 cb => \&BDB::poll_cb,
3325 );
3326 BDB::min_parallel 8; 4110 BDB::min_parallel 16;
3327 4111 BDB::max_poll_reqs $TICK * 0.1;
3328 BDB::set_sync_prepare { 4112 $AnyEvent::BDB::WATCHER->priority (1);
3329 my $status;
3330 my $current = $Coro::current;
3331 (
3332 sub {
3333 $status = $!;
3334 $current->ready; undef $current;
3335 },
3336 sub {
3337 Coro::schedule while defined $current;
3338 $! = $status;
3339 },
3340 )
3341 };
3342 4113
3343 unless ($DB_ENV) { 4114 unless ($DB_ENV) {
3344 $DB_ENV = BDB::db_env_create; 4115 $DB_ENV = BDB::db_env_create;
4116 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4117 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4118 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4119 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4120 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3345 4121
3346 cf::sync_job { 4122 cf::sync_job {
3347 eval { 4123 eval {
3348 BDB::db_env_open 4124 BDB::db_env_open
3349 $DB_ENV, 4125 $DB_ENV,
3351 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4127 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3352 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4128 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3353 0666; 4129 0666;
3354 4130
3355 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4131 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3356
3357 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3358 $DB_ENV->set_lk_detect;
3359 }; 4132 };
3360 4133
3361 cf::cleanup "db_env_open(db): $@" if $@; 4134 cf::cleanup "db_env_open(db): $@" if $@;
3362 }; 4135 };
3363 } 4136 }
4137
4138 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4139 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4140 };
4141 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4142 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4143 };
4144 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4145 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4146 };
3364} 4147}
3365 4148
3366{ 4149{
4150 # configure IO::AIO
4151
3367 IO::AIO::min_parallel 8; 4152 IO::AIO::min_parallel 8;
3368
3369 undef $Coro::AIO::WATCHER;
3370 IO::AIO::max_poll_time $TICK * 0.1; 4153 IO::AIO::max_poll_time $TICK * 0.1;
3371 $AIO_POLL_WATCHER = Event->io ( 4154 undef $AnyEvent::AIO::WATCHER;
3372 reentrant => 0,
3373 data => WF_AUTOCANCEL,
3374 fd => IO::AIO::poll_fileno,
3375 poll => 'r',
3376 prio => 6,
3377 cb => \&IO::AIO::poll_cb,
3378 );
3379} 4155}
3380 4156
3381my $_log_backtrace; 4157our $_log_backtrace;
4158our $_log_backtrace_last;
3382 4159
3383sub _log_backtrace { 4160sub _log_backtrace {
3384 my ($msg, @addr) = @_; 4161 my ($msg, @addr) = @_;
3385 4162
3386 $msg =~ s/\n//; 4163 $msg =~ s/\n$//;
3387 4164
4165 if ($_log_backtrace_last eq $msg) {
4166 LOG llevInfo, "[ABT] $msg\n";
4167 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3388 # limit the # of concurrent backtraces 4168 # limit the # of concurrent backtraces
3389 if ($_log_backtrace < 2) { 4169 } elsif ($_log_backtrace < 2) {
4170 $_log_backtrace_last = $msg;
3390 ++$_log_backtrace; 4171 ++$_log_backtrace;
4172 my $perl_bt = Carp::longmess $msg;
3391 async { 4173 async {
4174 $Coro::current->{desc} = "abt $msg";
4175
3392 my @bt = fork_call { 4176 my @bt = fork_call {
3393 @addr = map { sprintf "%x", $_ } @addr; 4177 @addr = map { sprintf "%x", $_ } @addr;
3394 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4178 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3395 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4179 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3396 or die "addr2line: $!"; 4180 or die "addr2line: $!";
3404 } 4188 }
3405 4189
3406 @funcs 4190 @funcs
3407 }; 4191 };
3408 4192
3409 LOG llevInfo, "[ABT] $msg\n"; 4193 LOG llevInfo, "[ABT] $perl_bt\n";
4194 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3410 LOG llevInfo, "[ABT] $_\n" for @bt; 4195 LOG llevInfo, "[ABT] $_\n" for @bt;
3411 --$_log_backtrace; 4196 --$_log_backtrace;
3412 }; 4197 };
3413 } else { 4198 } else {
3414 LOG llevInfo, "[ABT] $msg\n"; 4199 LOG llevInfo, "[ABT] $msg\n";
3415 LOG llevInfo, "[ABT] [suppressed]\n"; 4200 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3416 } 4201 }
3417} 4202}
3418 4203
3419# load additional modules 4204# load additional modules
3420use cf::pod; 4205require "cf/$_.pm" for @EXTRA_MODULES;
4206cf::_connect_to_perl_2;
3421 4207
3422END { cf::emergency_save } 4208END { cf::emergency_save }
3423 4209
34241 42101
3425 4211

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