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Revision 1.324 by root, Sat Jul 28 14:23:17 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
25use JSON::XS 1.4 (); 53use JSON::XS 2.01 ();
26use BDB (); 54use BDB ();
27use Data::Dumper; 55use Data::Dumper;
28use Digest::MD5;
29use Fcntl; 56use Fcntl;
30use YAML::Syck (); 57use YAML::XS ();
31use IO::AIO 2.32 (); 58use IO::AIO ();
32use Time::HiRes; 59use Time::HiRes;
33use Compress::LZF; 60use Compress::LZF;
34use Digest::MD5 (); 61use Digest::MD5 ();
62
63AnyEvent::detect;
35 64
36# configure various modules to our taste 65# configure various modules to our taste
37# 66#
38$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
39Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41 75
42$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
43 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45$YAML::Syck::ImplicitUnicode = 1;
46
47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48 78
49sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
50 82
51our %COMMAND = (); 83our %COMMAND = ();
52our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
53 85
54our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
55our %EXTCMD = (); 87our %EXTCMD = ();
56our %EXTICMD = (); 88our %EXTICMD = ();
57our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
58our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
59 91
60our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
61our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
62 96
63our $CONFDIR = confdir; 97our $CONFDIR = confdir;
64our $DATADIR = datadir; 98our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
74 118
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76our $TICK_WATCHER;
77our $AIO_POLL_WATCHER;
78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79our $NEXT_TICK; 121our $NEXT_TICK;
80our $NOW;
81our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
82 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
83our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
84our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
85 130
86our %CFG; 131our %CFG;
87 132
88our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
89our $RUNTIME; 134our $RUNTIME;
135our $NOW;
90 136
91our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
92our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
93our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
94 140
95# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
96our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97 143
98our $LOAD; # a number between 0 (idle) and 1 (too many objects) 144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99our $LOADAVG; # same thing, but with alpha-smoothing 145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
100our $tick_start; # for load detecting purposes 147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
101 153
102binmode STDOUT; 154binmode STDOUT;
103binmode STDERR; 155binmode STDERR;
104 156
105# read virtual server time, if available 157# read virtual server time, if available
106unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
107 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
108 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
109 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
110} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
111 165
112mkdir $_ 166mkdir $_
113 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114 168
115our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
116 170
117sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
118 187
119############################################################################# 188#############################################################################
120 189
121=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
122 191
158 227
159The raw value load value from the last tick. 228The raw value load value from the last tick.
160 229
161=item %cf::CFG 230=item %cf::CFG
162 231
163Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164from wherever your confdir points to. 233from wherever your confdir points to.
165 234
166=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
167 236
168These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
170per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
172=item @cf::INVOKE_RESULTS 246=item @cf::INVOKE_RESULTS
173 247
174This array contains the results of the last C<invoke ()> call. When 248This array contains the results of the last C<invoke ()> call. When
175C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of 249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176that call. 250that call.
177 251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
178=back 258=back
179 259
180=cut 260=cut
181 261
182BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
183 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
184 my $msg = join "", @_; 269 my $msg = join "", @_;
185 270
186 $msg .= "\n" 271 $msg .= "\n"
187 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
188 273
189 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190 275
191 utf8::encode $msg;
192 LOG llevError, $msg; 276 LOG llevWarn, $msg;
193 }; 277};
194} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
195 292
196@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
206for my $pkg (qw( 303for my $pkg (qw(
207 cf::global cf::attachable 304 cf::global cf::attachable
208 cf::object cf::object::player 305 cf::object cf::object::player
209 cf::client cf::player 306 cf::client cf::player
210 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
211 cf::map cf::party cf::region 309 cf::party cf::region
212)) { 310)) {
213 no strict 'refs';
214 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215} 312}
216 313
217$Event::DIED = sub { 314$EV::DIED = sub {
218 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
219}; 316};
220 317
221############################################################################# 318#############################################################################
222 319
223=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
245 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246 $d 343 $d
247 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
248} 345}
249 346
250=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
251 348
252Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
253 350
254=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
255 352
256Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
257 354
258=cut 355=cut
259 356
260our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261 358
262sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
263sub from_json ($) { $json_coder->decode ($_[0]) } 360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
264 404
265=item cf::lock_wait $string 405=item cf::lock_wait $string
266 406
267Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
268 408
269=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
270 410
271Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
272a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
274returned. 414returned.
275 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
276Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
277uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
278 421
279=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
280 423
281Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
282 425
283=cut 426=cut
284 427
285our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
286 429
287sub lock_wait($) { 430sub lock_wait($) {
288 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
289
290 # wait for lock, if any
291 while ($LOCK{$key}) {
292 push @{ $LOCK{$key} }, $Coro::current;
293 Coro::schedule;
294 }
295} 432}
296 433
297sub lock_acquire($) { 434sub lock_acquire($) {
298 my ($key) = @_; 435 $LOCKS->guard ($_[0])
299
300 # wait, to be sure we are not locked
301 lock_wait $key;
302
303 $LOCK{$key} = [];
304
305 Coro::guard {
306 # wake up all waiters, to be on the safe side
307 $_->ready for @{ delete $LOCK{$key} };
308 }
309} 436}
310 437
311sub lock_active($) { 438sub lock_active($) {
312 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
313
314 ! ! $LOCK{$key}
315} 440}
316 441
317sub freeze_mainloop { 442sub freeze_mainloop {
318 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
319 444
320 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
321 $TICK_WATCHER->start; 446}
322 }; 447
323 $TICK_WATCHER->stop; 448=item cf::periodic $interval, $cb
324 $guard 449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
325} 461}
326 462
327=item cf::get_slot $time[, $priority[, $name]] 463=item cf::get_slot $time[, $priority[, $name]]
328 464
329Allocate $time seconds of blocking CPU time at priority C<$priority>: 465Allocate $time seconds of blocking CPU time at priority C<$priority>:
337 473
338=cut 474=cut
339 475
340our @SLOT_QUEUE; 476our @SLOT_QUEUE;
341our $SLOT_QUEUE; 477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
342 479
343$SLOT_QUEUE->cancel if $SLOT_QUEUE; 480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344$SLOT_QUEUE = Coro::async { 481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
345 my $signal = new Coro::Signal; 484 my $signal = new Coro::Signal;
485 my $busy;
346 486
347 while () { 487 while () {
348 next_job: 488 next_job:
489
349 my $avail = cf::till_tick; 490 my $avail = cf::till_tick;
350 if ($avail > 0.01) { 491
351 for (0 .. $#SLOT_QUEUE) { 492 for (0 .. $#SLOT_QUEUE) {
352 if ($SLOT_QUEUE[$_][0] < $avail) { 493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
353 my $job = splice @SLOT_QUEUE, $_, 1, (); 495 my $job = splice @SLOT_QUEUE, $_, 1, ();
354 $job->[2]->send; 496 $job->[2]->send;
355 Coro::cede; 497 Coro::cede;
356 goto next_job; 498 goto next_job;
357 } 499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358 } 501 }
359 } 502 }
360 503
361 if (@SLOT_QUEUE) { 504 if (@SLOT_QUEUE) {
362 # we do not use wait_For_tick() as it returns immediately when tick is inactive 505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
363 push @cf::WAIT_FOR_TICK, $signal; 506 push @cf::WAIT_FOR_TICK, $signal;
364 $signal->wait; 507 $signal->wait;
365 } else { 508 } else {
509 $busy = 0;
366 Coro::schedule; 510 Coro::schedule;
367 } 511 }
368 } 512 }
369}; 513};
370 514
371sub get_slot($;$$) { 515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
372 my ($time, $pri, $name) = @_; 518 my ($time, $pri, $name) = @_;
373 519
374 $time = $TICK * .6 if $time > $TICK * .6; 520 $time = clamp $time, 0.01, $TICK * .6;
521
375 my $sig = new Coro::Signal; 522 my $sig = new Coro::Signal;
376 523
377 push @SLOT_QUEUE, [$time, $pri, $sig, $name]; 524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE; 525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379 $SLOT_QUEUE->ready; 526 $SLOT_QUEUE->ready;
390 537
391BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
392 539
393=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
394 541
395The design of Crossfire TRT requires that the main coroutine ($Coro::main) 542The design of Deliantra requires that the main coroutine ($Coro::main)
396is always able to handle events or runnable, as Crossfire TRT is only 543is always able to handle events or runnable, as Deliantra is only
397partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398acceptable. 545acceptable.
399 546
400If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
401the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
405=cut 552=cut
406 553
407sub sync_job(&) { 554sub sync_job(&) {
408 my ($job) = @_; 555 my ($job) = @_;
409 556
410 if ($Coro::current == $Coro::main) { 557 if (in_main) {
411 my $time = Event::time; 558 my $time = AE::time;
412 559
413 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
414 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
415 562
416 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
417 # (but this is cancel-safe) 564
418 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
419 566
420 my $busy = 1; 567 my $busy = 1;
421 my @res; 568 my @res;
422 569
423 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
424 @res = eval { $job->() }; 572 @res = eval { $job->() };
425 warn $@ if $@; 573 error $@ if $@;
426 undef $busy; 574 undef $busy;
427 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
428 576
429 while ($busy) { 577 while ($busy) {
430 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
431 } 582 }
583 }
432 584
433 $time = Event::time - $time; 585 my $time = AE::time - $time;
434 586
435 LOG llevError | logBacktrace, Carp::longmess "long sync job"
436 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438 $tick_start += $time; # do not account sync jobs to server load 587 $TICK_START += $time; # do not account sync jobs to server load
439 588
440 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
441 } else { 590 } else {
442 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
443 592
463 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
464 613
465 $coro 614 $coro
466} 615}
467 616
468=item fork_call { }, $args 617=item fork_call { }, @args
469 618
470Executes the given code block with the given arguments in a seperate 619Executes the given code block with the given arguments in a seperate
471process, returning the results. Everything must be serialisable with 620process, returning the results. Everything must be serialisable with
472Coro::Storable. May, of course, block. Note that the executed sub may 621Coro::Storable. May, of course, block. Note that the executed sub may
473never block itself or use any form of Event handling. 622never block itself or use any form of event handling.
474 623
475=cut 624=cut
476 625
477sub _store_scalar { 626sub post_fork {
478 open my $fh, ">", \my $buf 627 reset_signals;
479 or die "fork_call: cannot open fh-to-buf in child : $!";
480 Storable::store_fd $_[0], $fh;
481 close $fh;
482
483 $buf
484} 628}
485 629
486sub fork_call(&@) { 630sub fork_call(&@) {
487 my ($cb, @args) = @_; 631 my ($cb, @args) = @_;
488 632
489# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 633 # we seemingly have to make a local copy of the whole thing,
490# or die "socketpair: $!"; 634 # otherwise perl prematurely frees the stuff :/
491 pipe my $fh1, my $fh2 635 # TODO: investigate and fix (likely this will be rather laborious)
492 or die "pipe: $!";
493 636
494 if (my $pid = fork) { 637 my @res = Coro::Util::fork_eval {
495 close $fh2; 638 cf::post_fork;
639 &$cb
640 } @args;
496 641
497 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 642 wantarray ? @res : $res[-1]
498 warn "pst<$res>" unless $res =~ /^pst/; 643}
499 $res = Coro::Storable::thaw $res;
500 644
501 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 645sub objinfo {
502
503 Carp::confess $$res unless "ARRAY" eq ref $res;
504
505 return wantarray ? @$res : $res->[-1];
506 } else {
507 reset_signals;
508 local $SIG{__WARN__};
509 local $SIG{__DIE__};
510 # just in case, this hack effectively disables event
511 # in the child. cleaner and slower would be canceling all watchers,
512 # but this works for the time being.
513 local $Coro::idle;
514 $Coro::current->prio (Coro::PRIO_MAX);
515
516 eval {
517 close $fh1;
518
519 my @res = eval { $cb->(@args) };
520
521 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522 close $fh2;
523 };
524
525 warn $@ if $@;
526 _exit 0;
527 } 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
528} 681}
529 682
530=item $value = cf::db_get $family => $key 683=item $value = cf::db_get $family => $key
531 684
532Returns a single value from the environment database. 685Returns a single value from the environment database.
534=item cf::db_put $family => $key => $value 687=item cf::db_put $family => $key => $value
535 688
536Stores the given C<$value> in the family. It can currently store binary 689Stores the given C<$value> in the family. It can currently store binary
537data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538 691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
539=cut 697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
540 718
541our $DB; 719our $DB;
542 720
543sub db_init { 721sub db_init {
544 unless ($DB) { 722 $DB ||= db_table "db";
545 $DB = BDB::db_create $DB_ENV;
546
547 cf::sync_job {
548 eval {
549 $DB->set_flags (BDB::CHKSUM);
550
551 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553 cf::cleanup "db_open(db): $!" if $!;
554 };
555 cf::cleanup "db_open(db): $@" if $@;
556 };
557 }
558} 723}
559 724
560sub db_get($$) { 725sub db_get($$) {
561 my $key = "$_[0]/$_[1]"; 726 my $key = "$_[0]/$_[1]";
562 727
563 cf::sync_job { 728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
564 BDB::db_get $DB, undef, $key, my $data; 731 BDB::db_get $DB, undef, $key, my $data;
565 732
566 $! ? () 733 $! ? ()
567 : $data 734 : $data
568 }
569} 735}
570 736
571sub db_put($$$) { 737sub db_put($$$) {
572 BDB::dbreq_pri 4; 738 BDB::dbreq_pri 4;
573 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
612 if (1) { 778 if (1) {
613 $md5 = 779 $md5 =
614 join "\x00", 780 join "\x00",
615 $processversion, 781 $processversion,
616 map { 782 map {
617 Coro::cede; 783 cf::cede_to_tick;
618 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
619 } 0.. $#$src; 785 } 0.. $#$src;
620 786
621 787
622 my $dbmd5 = db_get cache => "$id/md5"; 788 my $dbmd5 = db_get cache => "$id/md5";
629 795
630 my $t1 = Time::HiRes::time; 796 my $t1 = Time::HiRes::time;
631 my $data = $process->(\@data); 797 my $data = $process->(\@data);
632 my $t2 = Time::HiRes::time; 798 my $t2 = Time::HiRes::time;
633 799
634 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635 801
636 db_put cache => "$id/data", $data; 802 db_put cache => "$id/data", $data;
637 db_put cache => "$id/md5" , $md5; 803 db_put cache => "$id/md5" , $md5;
638 db_put cache => "$id/meta", $meta; 804 db_put cache => "$id/meta", $meta;
639 805
649 815
650=cut 816=cut
651 817
652sub datalog($@) { 818sub datalog($@) {
653 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
654 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655} 821}
656 822
657=back 823=back
658 824
659=cut 825=cut
660 826
661############################################################################# 827#############################################################################
662 828
663=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
664 830
665Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
666attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
667to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
668 834
669In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
670C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
671Crossfire TRT). 837Deliantra).
672 838
673=over 4 839=over 4
674 840
675=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
676 842
720=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
721 887
722Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
723given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
724 890
725Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
726that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
727 893
728These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
729 895
730=over 4 896=over 4
854 1020
855 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
856 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857 1023
858 } elsif (ref $type) { 1024 } elsif (ref $type) {
859 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
860 1026
861 } else { 1027 } else {
862 shift @arg; 1028 shift @arg;
863 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
864 } 1030 }
865 } 1031 }
866} 1032}
867 1033
868sub _object_attach { 1034sub _object_attach {
878 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
879 } 1045 }
880 1046
881 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
882 } else { 1048 } else {
883 warn "object uses attachment '$name' which is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
884 } 1050 }
885 1051
886 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
887} 1053}
888 1054
947 1113
948 for (@$callbacks) { 1114 for (@$callbacks) {
949 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
950 1116
951 if ($@) { 1117 if ($@) {
952 warn "$@";
953 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954 override; 1119 override;
955 } 1120 }
956 1121
957 return 1 if $override; 1122 return 1 if $override;
958 } 1123 }
959 1124
960 0 1125 0
961} 1126}
962 1127
963=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964 1129
965=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966 1131
967Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
968 1133
974 1139
975=cut 1140=cut
976 1141
977############################################################################# 1142#############################################################################
978# object support 1143# object support
979#
980 1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
981sub _can_merge { 1178sub _can_merge {
982 my ($ob1, $ob2) = @_; 1179 my ($ob1, $ob2) = @_;
983 1180
984 local $Storable::canonical = 1; 1181 ++$SLOW_MERGES;#d#
985 my $fob1 = Storable::freeze $ob1;
986 my $fob2 = Storable::freeze $ob2;
987 1182
988 $fob1 eq $fob2 1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
989} 1185}
990 1186
991sub reattach { 1187sub reattach {
992 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
993 my ($obj) = @_; 1189 my ($obj) = @_;
994 1190
1191 # no longer needed after getting rid of delete_package?
995 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996 1193
997 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
998 1195
999 @$registry = (); 1196 @$registry = ();
1000 1197
1005 for (@$attach) { 1202 for (@$attach) {
1006 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
1007 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
1008 } 1205 }
1009 } else { 1206 } else {
1010 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
1011 } 1208 }
1012 } 1209 }
1013} 1210}
1014 1211
1015cf::attachable->attach ( 1212cf::attachable->attach (
1016 prio => -1000000, 1213 prio => -1000000,
1017 on_instantiate => sub { 1214 on_instantiate => sub {
1018 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
1019 1216
1020 $data = from_json $data; 1217 $data = decode_json $data;
1021 1218
1022 for (@$data) { 1219 for (@$data) {
1023 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
1024 1221
1025 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
1041sub object_freezer_save { 1238sub object_freezer_save {
1042 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
1043 1240
1044 sync_job { 1241 sync_job {
1045 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
1046 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
1047 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
1048 1247
1049 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
1051 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
1053 close $fh; 1255 aio_close $fh;
1054 1256
1055 if (@$objs) { 1257 if (@$objs) {
1056 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
1058 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
1060 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
1061 close $fh; 1266 aio_close $fh;
1062 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
1063 } 1268 }
1064 } else { 1269 } else {
1065 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
1066 } 1271 }
1067 1272
1068 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
1069 } else { 1277 } else {
1070 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
1071 } 1279 }
1072 } else { 1280 } else {
1073 aio_unlink $filename; 1281 aio_unlink $filename;
1074 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
1075 } 1283 }
1076 } 1284 };
1077} 1285}
1078 1286
1079sub object_freezer_as_string { 1287sub object_freezer_as_string {
1080 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
1081 1289
1093 or return; 1301 or return;
1094 1302
1095 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
1096 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
1097 or return; 1305 or return;
1306
1098 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
1099 } 1309 }
1100 1310
1311 utf8::decode (my $decname = $filename);
1101 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
1102 $filename, length $data, scalar @{$av || []}; 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
1103 return ($data, $av); 1316 ($data, $av)
1104} 1317}
1105 1318
1106=head2 COMMAND CALLBACKS 1319=head2 COMMAND CALLBACKS
1107 1320
1108=over 4 1321=over 4
1162 my ($name, $cb) = @_; 1375 my ($name, $cb) = @_;
1163 1376
1164 $EXTICMD{$name} = $cb; 1377 $EXTICMD{$name} = $cb;
1165} 1378}
1166 1379
1380use File::Glob ();
1381
1167cf::player->attach ( 1382cf::player->attach (
1168 on_command => sub { 1383 on_unknown_command => sub {
1169 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
1170 1385
1171 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
1172 or return; 1387 or return;
1173 1388
1186 my ($type, $reply, @payload) = 1401 my ($type, $reply, @payload) =
1187 "ARRAY" eq ref $msg 1402 "ARRAY" eq ref $msg
1188 ? @$msg 1403 ? @$msg
1189 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190 1405
1406 my @reply;
1407
1191 if (my $cb = $EXTCMD{$type}) { 1408 if (my $cb = $EXTCMD{$type}) {
1192 my @reply = $cb->($pl, @payload); 1409 @reply = $cb->($pl, @payload);
1193
1194 $pl->ext_reply ($reply, @reply)
1195 if $reply;
1196 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
1197 } else { 1415 } else {
1198 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199 } 1417 }
1200 1418
1201 cf::override; 1419 cf::override;
1202 }, 1420 },
1203); 1421);
1204 1422
1423# "readahead" all extensions
1424sub cache_extensions {
1425 my $grp = IO::AIO::aio_group;
1426
1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1428 for (grep /\.ext$/, @{$_[0]}) {
1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1430 }
1431 };
1432
1433 $grp
1434}
1435
1205sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1206 cf::sync_job { 1439 cf::sync_job {
1207 my %todo; 1440 my %todo;
1208 1441
1209 for my $path (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
1210 next unless -r $path; 1443 next unless -r $path;
1228 1461
1229 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231 1464
1232 $ext{source} = 1465 $ext{source} =
1233 "package $pkg; use strict; use utf8;\n" 1466 "package $pkg; use common::sense;\n"
1234 . "#line 1 \"$path\"\n{\n" 1467 . "#line 1 \"$path\"\n{\n"
1235 . $source 1468 . $source
1236 . "\n};\n1"; 1469 . "\n};\n1";
1237 1470
1238 $todo{$base} = \%ext; 1471 $todo{$base} = \%ext;
1239 } 1472 }
1240 1473
1474 my $pass = 0;
1241 my %done; 1475 my %done;
1242 while (%todo) { 1476 while (%todo) {
1243 my $progress; 1477 my $progress;
1244 1478
1479 ++$pass;
1480
1481 ext:
1245 while (my ($k, $v) = each %todo) { 1482 while (my ($k, $v) = each %todo) {
1246 for (split /,\s*/, $v->{meta}{depends}) { 1483 for (split /,\s*/, $v->{meta}{depends}) {
1247 goto skip 1484 next ext
1248 unless exists $done{$_}; 1485 unless exists $done{$_};
1249 } 1486 }
1250 1487
1251 warn "... loading '$k' into '$v->{pkg}'\n"; 1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252 1489
1253 unless (eval $v->{source}) { 1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1254 my $msg = $@ ? "$v->{path}: $@\n" 1493 error "$v->{path}: $@\n";
1255 : "$v->{base}: extension inactive.\n";
1256 1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257 if (exists $v->{meta}{mandatory}) { 1496 if exists $v->{meta}{mandatory};
1258 warn $msg; 1497
1259 warn "mandatory extension failed to load, exiting.\n"; 1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260 exit 1; 1499 delete $todo{$k};
1261 } 1500 } else {
1262 1501 $done{$k} = delete $todo{$k};
1263 warn $msg; 1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1264 } 1507 }
1265
1266 $done{$k} = delete $todo{$k};
1267 push @EXTS, $v->{pkg};
1268 $progress = 1;
1269 } 1508 }
1270 1509
1271 skip: 1510 unless ($progress) {
1272 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273 unless $progress; 1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1274 } 1518 }
1275 }; 1519 };
1276} 1520}
1277 1521
1278############################################################################# 1522#############################################################################
1279 1523
1280=back 1524=back
1281 1525
1282=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
1283 1527
1284Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
1285 1529
1286=cut 1530=cut
1287 1531
1288package cf::player; 1532package cf::player;
1289 1533
1290use Coro::AIO; 1534use Coro::AIO;
1291 1535
1292=head3 cf::player 1536=head3 cf::player
1293 1537
1294=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
1295 1553
1296=item cf::player::find $login 1554=item cf::player::find $login
1297 1555
1298Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
1299 1557
1318 1576
1319sub exists($) { 1577sub exists($) {
1320 my ($login) = @_; 1578 my ($login) = @_;
1321 1579
1322 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1323 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1324} 1582}
1325 1583
1326sub find($) { 1584sub find($) {
1327 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1328 my $login = $_[0]; 1586 my $login = $_[0];
1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1339 1597
1340 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1341 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1342 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1343 } 1607 }
1344 } 1608 }
1345} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1346 1623
1347sub save($) { 1624sub save($) {
1348 my ($pl) = @_; 1625 my ($pl) = @_;
1349 1626
1350 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
1355 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1356 1633
1357 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1358 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1359 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1360 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1361 Coro::cede; 1643 cf::cede_to_tick;
1362} 1644}
1363 1645
1364sub new($) { 1646sub new($) {
1365 my ($login) = @_; 1647 my ($login) = @_;
1366 1648
1372 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1373 1655
1374 $self 1656 $self
1375} 1657}
1376 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1377=item $pl->quit_character 1669=item $pl->quit_character
1378 1670
1379Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1380be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1381 1673
1385 my ($pl) = @_; 1677 my ($pl) = @_;
1386 1678
1387 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1388 1680
1389 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1390 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1391 1683
1392 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1395 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1396 1692
1397 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1398 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1399 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
1434 or return []; 1730 or return [];
1435 1731
1436 my @logins; 1732 my @logins;
1437 1733
1438 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1439 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1441 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1442 1744
1443 utf8::decode $login; 1745 utf8::decode $login;
1444 push @logins, $login; 1746 push @logins, $login;
1445 } 1747 }
1446 1748
1447 \@logins 1749 \@logins
1448} 1750}
1449 1751
1450=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1451 1755
1452Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1453player. May block. 1757player. May block.
1454 1758
1455=cut 1759=cut
1473 } 1777 }
1474 1778
1475 \@paths 1779 \@paths
1476} 1780}
1477 1781
1478=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479 1783
1480Expand crossfire pod fragments into protocol xml. 1784Expand deliantra pod fragments into protocol xml.
1481
1482=cut
1483
1484sub expand_cfpod {
1485 ((my $self), (local $_)) = @_;
1486
1487 # escape & and <
1488 s/&/&amp;/g;
1489 s/(?<![BIUGH])</&lt;/g;
1490
1491 # this is buggy, it needs to properly take care of nested <'s
1492
1493 1 while
1494 # replace B<>, I<>, U<> etc.
1495 s/B<([^\>]*)>/<b>$1<\/b>/
1496 || s/I<([^\>]*)>/<i>$1<\/i>/
1497 || s/U<([^\>]*)>/<u>$1<\/u>/
1498 # replace G<male|female> tags
1499 || s{G<([^>|]*)\|([^>]*)>}{
1500 $self->gender ? $2 : $1
1501 }ge
1502 # replace H<hint text>
1503 || s{H<([^\>]*)>}
1504 {
1505 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507 "")
1508 [$self->{hintmode}]
1509 }ge;
1510
1511 # create single paragraphs (very hackish)
1512 s/(?<=\S)\n(?=\w)/ /g;
1513
1514 # compress some whitespace
1515 s/\s+\n/\n/g; # ws line-ends
1516 s/\n\n+/\n/g; # double lines
1517 s/^\n+//; # beginning lines
1518 s/\n+$//; # ending lines
1519
1520 $_
1521}
1522
1523sub hintmode {
1524 $_[0]{hintmode} = $_[1] if @_ > 1;
1525 $_[0]{hintmode}
1526}
1527 1785
1528=item $player->ext_reply ($msgid, @msg) 1786=item $player->ext_reply ($msgid, @msg)
1529 1787
1530Sends an ext reply to the player. 1788Sends an ext reply to the player.
1531 1789
1532=cut 1790=cut
1533 1791
1534sub ext_reply($$@) { 1792sub ext_reply($$@) {
1535 my ($self, $id, @msg) = @_; 1793 my ($self, $id, @msg) = @_;
1536 1794
1537 if ($self->ns->extcmd == 2) { 1795 $self->ns->ext_reply ($id, @msg)
1538 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539 } elsif ($self->ns->extcmd == 1) {
1540 #TODO: version 1, remove
1541 unshift @msg, msgtype => "reply", msgid => $id;
1542 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543 }
1544} 1796}
1545 1797
1546=item $player->ext_msg ($type, @msg) 1798=item $player->ext_msg ($type, @msg)
1547 1799
1548Sends an ext event to the client. 1800Sends an ext event to the client.
1569 1821
1570=cut 1822=cut
1571 1823
1572sub find_by_path($) { 1824sub find_by_path($) {
1573 my ($path) = @_; 1825 my ($path) = @_;
1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1574 1828
1575 my ($match, $specificity); 1829 my ($match, $specificity);
1576 1830
1577 for my $region (list) { 1831 for my $region (list) {
1578 if ($region->{match} && $path =~ $region->{match}) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1604our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1605our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1606 1860
1607sub generate_random_map { 1861sub generate_random_map {
1608 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1609 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1610 $self->_create_random_map ( 1867 $self->_create_random_map (
1611 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp,
1869 $rmp->{wall_name}, $rmp->{monsterstyle},
1612 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1870 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1871 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1614 $rmp->{exit_on_final_map}, 1872 $rmp->{exit_on_final_map},
1615 $rmp->{xsize}, $rmp->{ysize}, 1873 $rmp->{xsize}, $rmp->{ysize},
1616 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1874 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1875 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1876 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619 $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},
1620 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1878 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621 (cf::region::find $rmp->{region}), $rmp->{custom} 1879 (cf::region::find $rmp->{region})
1622 ) 1880 )
1623} 1881}
1624 1882
1625=item cf::map->register ($regex, $prio) 1883=item cf::map->register ($regex, $prio)
1626 1884
1632 1890
1633sub register { 1891sub register {
1634 my (undef, $regex, $prio) = @_; 1892 my (undef, $regex, $prio) = @_;
1635 my $pkg = caller; 1893 my $pkg = caller;
1636 1894
1637 no strict;
1638 push @{"$pkg\::ISA"}, __PACKAGE__; 1895 push @{"$pkg\::ISA"}, __PACKAGE__;
1639 1896
1640 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1897 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641} 1898}
1642 1899
1643# also paths starting with '/' 1900# also paths starting with '/'
1644$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1901$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645 1902
1646sub thawer_merge { 1903sub thawer_merge {
1647 my ($self, $merge) = @_; 1904 my ($self, $merge) = @_;
1648 1905
1649 # we have to keep some variables in memory intact 1906 # we have to keep some variables in memory intact
1654} 1911}
1655 1912
1656sub normalise { 1913sub normalise {
1657 my ($path, $base) = @_; 1914 my ($path, $base) = @_;
1658 1915
1659 $path = "$path"; # make sure its a string 1916 $path = "$path"; # make sure it's a string
1660 1917
1661 $path =~ s/\.map$//; 1918 $path =~ s/\.map$//;
1662 1919
1663 # map plan: 1920 # map plan:
1664 # 1921 #
1679 $base =~ s{[^/]+/?$}{}; 1936 $base =~ s{[^/]+/?$}{};
1680 $path = "$base/$path"; 1937 $path = "$base/$path";
1681 } 1938 }
1682 1939
1683 for ($path) { 1940 for ($path) {
1684 redo if s{//}{/};
1685 redo if s{/\.?/}{/}; 1941 redo if s{/\.?/}{/};
1686 redo if s{/[^/]+/\.\./}{/}; 1942 redo if s{/[^/]+/\.\./}{/};
1687 } 1943 }
1688 1944
1689 $path 1945 $path
1703 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1704 return $self; 1960 return $self;
1705 } 1961 }
1706 } 1962 }
1707 1963
1708 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1709 () 1965 ()
1710} 1966}
1711 1967
1712sub init { 1968sub init {
1713 my ($self) = @_; 1969 my ($self) = @_;
1735 1991
1736# the temporary/swap location 1992# the temporary/swap location
1737sub save_path { 1993sub save_path {
1738 my ($self) = @_; 1994 my ($self) = @_;
1739 1995
1740 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1742} 1998}
1743 1999
1744# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1745sub uniq_path { 2001sub uniq_path {
1746 my ($self) = @_; 2002 my ($self) = @_;
1747 2003
1748 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1750}
1751
1752# and all this just because we cannot iterate over
1753# all maps in C++...
1754sub change_all_map_light {
1755 my ($change) = @_;
1756
1757 $_->change_map_light ($change)
1758 for grep $_->outdoor, values %cf::MAP;
1759} 2006}
1760 2007
1761sub decay_objects { 2008sub decay_objects {
1762 my ($self) = @_; 2009 my ($self) = @_;
1763 2010
1776 2023
1777sub load_header_from($) { 2024sub load_header_from($) {
1778 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1779 2026
1780 utf8::encode $path; 2027 utf8::encode $path;
1781 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1782 # or return;
1783
1784 $self->_load_header ($path)
1785 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;
1786 2036
1787 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1788 2038
1789 1 2039 1
1790} 2040}
1842 2092
1843sub find; 2093sub find;
1844sub find { 2094sub find {
1845 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1846 2096
2097 cf::cede_to_tick;
2098
1847 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1848 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1850 2103
1851 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1852 my $guard = cf::lock_acquire "map_find:$path";
1853 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1854 or return; 2106 or return;
1855 2107
1856 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1857 2109
1859 or return; 2111 or return;
1860 2112
1861 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1863 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1864 $map->reset; 2118 $map->reset;
1865 undef $guard;
1866 return find $path; 2119 return find $path;
1867 } 2120 }
1868 2121
1869 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1870 } 2123 }
1871} 2124}
1872 2125
1873sub pre_load { } 2126sub pre_load { }
1874sub post_load { } 2127#sub post_load { } # XS
1875 2128
1876sub load { 2129sub load {
1877 my ($self) = @_; 2130 my ($self) = @_;
1878 2131
1879 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1880 2133
1881 my $path = $self->{path}; 2134 my $path = $self->{path};
1882 2135
1883 { 2136 {
1884 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1885 2138
2139 return unless $self->valid;
1886 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1887 2141
1888 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1889 2143
1890 $self->alloc; 2144 $self->alloc;
1891 2145
1892 $self->pre_load; 2146 $self->pre_load;
1893 Coro::cede; 2147 cf::cede_to_tick;
1894 2148
2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
1895 $self->_load_objects ($self->{load_path}, 1) 2151 $self->_load_objects ($f)
1896 or return; 2152 or return;
1897 2153
1898 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1899 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1900 2156
1901 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1902 utf8::encode $uniq; 2158 utf8::encode $uniq;
1903 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1904 $self->clear_unique_items; 2161 $self->clear_unique_items;
1905 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1906 } 2165 }
1907 } 2166 }
1908 2167
1909 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1910 # now do the right thing for maps 2171 # now do the right thing for maps
1911 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1912 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1913 unless $self->difficulty; 2174 unless $self->difficulty;
1914 Coro::cede; 2175 cf::cede_to_tick;
1915 2176
1916 unless ($self->{deny_activate}) { 2177 unless ($self->{deny_activate}) {
1917 $self->decay_objects; 2178 $self->decay_objects;
1918 $self->fix_auto_apply; 2179 $self->fix_auto_apply;
1919 $self->update_buttons; 2180 $self->update_buttons;
1920 Coro::cede; 2181 cf::cede_to_tick;
1921 $self->set_darkness_map;
1922 Coro::cede;
1923 $self->activate; 2182 $self->activate;
1924 } 2183 }
1925 2184
1926 $map->{last_save} = $cf::RUNTIME; 2185 $self->{last_save} = $cf::RUNTIME;
1927 $map->last_access ($cf::RUNTIME); 2186 $self->last_access ($cf::RUNTIME);
1928 2187
1929 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1930 } 2189 }
1931 2190
1932 $self->post_load; 2191 $self->post_load;
1933}
1934 2192
2193 1
2194}
2195
2196# customize the map for a given player, i.e.
2197# return the _real_ map. used by e.g. per-player
2198# maps to change the path to ~playername/mappath
1935sub customise_for { 2199sub customise_for {
1936 my ($self, $ob) = @_; 2200 my ($self, $ob) = @_;
1937 2201
1938 return find "~" . $ob->name . "/" . $self->{path} 2202 return find "~" . $ob->name . "/" . $self->{path}
1939 if $self->per_player; 2203 if $self->per_player;
1943 2207
1944 $self 2208 $self
1945} 2209}
1946 2210
1947# find and load all maps in the 3x3 area around a map 2211# find and load all maps in the 3x3 area around a map
1948sub load_diag { 2212sub load_neighbours {
1949 my ($map) = @_; 2213 my ($map) = @_;
1950 2214
1951 my @diag; # diagonal neighbours 2215 my @neigh; # diagonal neighbours
1952 2216
1953 for (0 .. 3) { 2217 for (0 .. 3) {
1954 my $neigh = $map->tile_path ($_) 2218 my $neigh = $map->tile_path ($_)
1955 or next; 2219 or next;
1956 $neigh = find $neigh, $map 2220 $neigh = find $neigh, $map
1957 or next; 2221 or next;
1958 $neigh->load; 2222 $neigh->load;
1959 2223
2224 # now find the diagonal neighbours
2225 push @neigh,
1960 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2226 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1961 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2227 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1962 } 2228 }
1963 2229
1964 for (@diag) { 2230 for (grep defined $_->[0], @neigh) {
2231 my ($path, $origin) = @$_;
1965 my $neigh = find @$_ 2232 my $neigh = find $path, $origin
1966 or next; 2233 or next;
1967 $neigh->load; 2234 $neigh->load;
1968 } 2235 }
1969} 2236}
1970 2237
1971sub find_sync { 2238sub find_sync {
1972 my ($path, $origin) = @_; 2239 my ($path, $origin) = @_;
1973 2240
1974 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, $origin
1975} 2245}
1976 2246
1977sub do_load_sync { 2247sub do_load_sync {
1978 my ($map) = @_; 2248 my ($map) = @_;
1979 2249
1980 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;
1981} 2254}
1982 2255
1983our %MAP_PREFETCH; 2256our %MAP_PREFETCH;
1984our $MAP_PREFETCHER = undef; 2257our $MAP_PREFETCHER = undef;
1985 2258
1986sub find_async { 2259sub find_async {
1987 my ($path, $origin) = @_; 2260 my ($path, $origin, $load) = @_;
1988 2261
1989 $path = normalise $path, $origin && $origin->{path}; 2262 $path = normalise $path, $origin && $origin->{path};
1990 2263
1991 if (my $map = $cf::MAP{$path}) { 2264 if (my $map = $cf::MAP{$path}) {
1992 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2265 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1993 } 2266 }
1994 2267
1995 undef $MAP_PREFETCH{$path}; 2268 $MAP_PREFETCH{$path} |= $load;
2269
1996 $MAP_PREFETCHER ||= cf::async { 2270 $MAP_PREFETCHER ||= cf::async {
2271 $Coro::current->{desc} = "map prefetcher";
2272
1997 while (%MAP_PREFETCH) { 2273 while (%MAP_PREFETCH) {
1998 for my $path (keys %MAP_PREFETCH) { 2274 while (my ($k, $v) = each %MAP_PREFETCH) {
1999 if (my $map = find $path) { 2275 if (my $map = find $k) {
2000 $map->load; 2276 $map->load if $v;
2001 } 2277 }
2002 2278
2003 delete $MAP_PREFETCH{$path}; 2279 delete $MAP_PREFETCH{$k};
2004 } 2280 }
2005 } 2281 }
2006 undef $MAP_PREFETCHER; 2282 undef $MAP_PREFETCHER;
2007 }; 2283 };
2008 $MAP_PREFETCHER->prio (6); 2284 $MAP_PREFETCHER->prio (6);
2009 2285
2010 () 2286 ()
2011} 2287}
2012 2288
2289# common code, used by both ->save and ->swapout
2013sub save { 2290sub _save {
2014 my ($self) = @_; 2291 my ($self) = @_;
2015
2016 my $lock = cf::lock_acquire "map_data:" . $self->path;
2017 2292
2018 $self->{last_save} = $cf::RUNTIME; 2293 $self->{last_save} = $cf::RUNTIME;
2019 2294
2020 return unless $self->dirty; 2295 return unless $self->dirty;
2021 2296
2027 return if $self->{deny_save}; 2302 return if $self->{deny_save};
2028 2303
2029 local $self->{last_access} = $self->last_access;#d# 2304 local $self->{last_access} = $self->last_access;#d#
2030 2305
2031 cf::async { 2306 cf::async {
2307 $Coro::current->{desc} = "map player save";
2032 $_->contr->save for $self->players; 2308 $_->contr->save for $self->players;
2033 }; 2309 };
2310
2311 cf::get_slot 0.02;
2034 2312
2035 if ($uniq) { 2313 if ($uniq) {
2036 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2315 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2038 } else { 2316 } else {
2039 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2317 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2040 } 2318 }
2041} 2319}
2042 2320
2321sub save {
2322 my ($self) = @_;
2323
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
2326 $self->_save;
2327}
2328
2043sub swap_out { 2329sub swap_out {
2044 my ($self) = @_; 2330 my ($self) = @_;
2045 2331
2046 # save first because save cedes
2047 $self->save;
2048
2049 my $lock = cf::lock_acquire "map_data:" . $self->path; 2332 my $lock = cf::lock_acquire "map_data:$self->{path}";
2050 2333
2334 return if $self->in_memory != cf::MAP_ACTIVE;
2335 return if $self->{deny_save};
2051 return if $self->players; 2336 return if $self->players;
2052 return if $self->in_memory != cf::MAP_IN_MEMORY;
2053 return if $self->{deny_save};
2054 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
2055 $self->clear; 2347 $self->clear;
2056 $self->in_memory (cf::MAP_SWAPPED);
2057} 2348}
2058 2349
2059sub reset_at { 2350sub reset_at {
2060 my ($self) = @_; 2351 my ($self) = @_;
2061 2352
2079 2370
2080 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2371 my $lock = cf::lock_acquire "map_data:$self->{path}";
2081 2372
2082 return if $self->players; 2373 return if $self->players;
2083 2374
2084 warn "resetting map ", $self->path; 2375 cf::trace "resetting map ", $self->path, "\n";
2085 2376
2086 $self->in_memory (cf::MAP_SWAPPED); 2377 $self->in_memory (cf::MAP_SWAPPED);
2087 2378
2088 # need to save uniques path 2379 # need to save uniques path
2089 unless ($self->{deny_save}) { 2380 unless ($self->{deny_save}) {
2093 if $uniq; 2384 if $uniq;
2094 } 2385 }
2095 2386
2096 delete $cf::MAP{$self->path}; 2387 delete $cf::MAP{$self->path};
2097 2388
2389 $self->deactivate;
2390 $_->clear_links_to ($self) for values %cf::MAP;
2098 $self->clear; 2391 $self->clear;
2099
2100 $_->clear_links_to ($self) for values %cf::MAP;
2101 2392
2102 $self->unlink_save; 2393 $self->unlink_save;
2103 $self->destroy; 2394 $self->destroy;
2104} 2395}
2105 2396
2106my $nuke_counter = "aaaa"; 2397my $nuke_counter = "aaaa";
2107 2398
2108sub nuke { 2399sub nuke {
2109 my ($self) = @_; 2400 my ($self) = @_;
2110 2401
2402 {
2403 my $lock = cf::lock_acquire "map_data:$self->{path}";
2404
2111 delete $cf::MAP{$self->path}; 2405 delete $cf::MAP{$self->path};
2112 2406
2113 $self->unlink_save; 2407 $self->unlink_save;
2114 2408
2115 bless $self, "cf::map"; 2409 bless $self, "cf::map::wrap";
2116 delete $self->{deny_reset}; 2410 delete $self->{deny_reset};
2117 $self->{deny_save} = 1; 2411 $self->{deny_save} = 1;
2118 $self->reset_timeout (1); 2412 $self->reset_timeout (1);
2119 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2413 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120 2414
2121 $cf::MAP{$self->path} = $self; 2415 $cf::MAP{$self->path} = $self;
2416 }
2122 2417
2123 $self->reset; # polite request, might not happen 2418 $self->reset; # polite request, might not happen
2124} 2419}
2125 2420
2126=item $maps = cf::map::tmp_maps 2421=item $maps = cf::map::tmp_maps
2168 2463
2169sub unique_maps() { 2464sub unique_maps() {
2170 [ 2465 [
2171 map { 2466 map {
2172 utf8::decode $_; 2467 utf8::decode $_;
2173 /\.map$/ 2468 s/\.map$//; # TODO future compatibility hack
2469 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2470 ? ()
2174 ? normalise $_ 2471 : normalise $_
2175 : ()
2176 } @{ aio_readdir $UNIQUEDIR or [] } 2472 } @{ aio_readdir $UNIQUEDIR or [] }
2177 ] 2473 ]
2178} 2474}
2179 2475
2180package 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}
2181 2507
2182=back 2508=back
2183 2509
2184=head3 cf::object 2510=head3 cf::object
2185 2511
2189 2515
2190=over 4 2516=over 4
2191 2517
2192=item $ob->inv_recursive 2518=item $ob->inv_recursive
2193 2519
2194Returns 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.
2195 2522
2196=cut 2523=cut
2197 2524
2198sub inv_recursive_; 2525sub inv_recursive_;
2199sub inv_recursive_ { 2526sub inv_recursive_ {
2202 2529
2203sub inv_recursive { 2530sub inv_recursive {
2204 inv_recursive_ inv $_[0] 2531 inv_recursive_ inv $_[0]
2205} 2532}
2206 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
2207package cf; 2562package cf;
2208 2563
2209=back 2564=back
2210 2565
2211=head3 cf::object::player 2566=head3 cf::object::player
2217Sends 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>
2218can 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
2219dialogue with the given NPC character. 2574dialogue with the given NPC character.
2220 2575
2221=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};
2222 2591
2223# rough implementation of a future "reply" method that works 2592# rough implementation of a future "reply" method that works
2224# with dialog boxes. 2593# with dialog boxes.
2225#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
2226sub cf::object::player::reply($$$;$) { 2595sub cf::object::player::reply($$$;$) {
2238 my $dialog = $pl->{npc_dialog}; 2607 my $dialog = $pl->{npc_dialog};
2239 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2608 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240 2609
2241 } else { 2610 } else {
2242 $msg = $npc->name . " says: $msg" if $npc; 2611 $msg = $npc->name . " says: $msg" if $npc;
2243 $self->message ($msg, $flags); 2612 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244 } 2613 }
2245 } 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 (@_);
2246} 2625}
2247 2626
2248=item $player_object->may ("access") 2627=item $player_object->may ("access")
2249 2628
2250Returns wether the given player is authorized to access resource "access" 2629Returns wether the given player is authorized to access resource "access"
2263 2642
2264=item $player_object->enter_link 2643=item $player_object->enter_link
2265 2644
2266Freezes 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}>).
2267 2646
2268The 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.
2269I<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.
2270 2651
2271Will never block. 2652Will never block.
2272 2653
2273=item $player_object->leave_link ($map, $x, $y) 2654=item $player_object->leave_link ($map, $x, $y)
2274 2655
2294sub cf::object::player::enter_link { 2675sub cf::object::player::enter_link {
2295 my ($self) = @_; 2676 my ($self) = @_;
2296 2677
2297 $self->deactivate_recursive; 2678 $self->deactivate_recursive;
2298 2679
2680 ++$self->{_link_recursion};
2681
2299 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2682 return if UNIVERSAL::isa $self->map, "ext::map_link";
2300 2683
2301 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2684 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302 if $self->map && $self->map->{path} ne "{link}"; 2685 if $self->map && $self->map->{path} ne "{link}";
2303 2686
2304 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2687 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2305} 2688}
2306 2689
2307sub cf::object::player::leave_link { 2690sub cf::object::player::leave_link {
2308 my ($self, $map, $x, $y) = @_; 2691 my ($self, $map, $x, $y) = @_;
2309 2692
2326 ($x, $y) = (-1, -1) 2709 ($x, $y) = (-1, -1)
2327 unless (defined $x) && (defined $y); 2710 unless (defined $x) && (defined $y);
2328 2711
2329 # use -1 or undef as default coordinates, not 0, 0 2712 # use -1 or undef as default coordinates, not 0, 0
2330 ($x, $y) = ($map->enter_x, $map->enter_y) 2713 ($x, $y) = ($map->enter_x, $map->enter_y)
2331 if $x <=0 && $y <= 0; 2714 if $x <= 0 && $y <= 0;
2332 2715
2333 $map->load; 2716 $map->load;
2334 $map->load_diag; 2717 $map->load_neighbours;
2335 2718
2336 return unless $self->contr->active; 2719 return unless $self->contr->active;
2337 $self->activate_recursive;
2338 2720
2339 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2721 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340 $self->enter_map ($map, $x, $y); 2722 if ($self->enter_map ($map, $x, $y)) {
2341} 2723 # entering was successful
2724 delete $self->{_link_recursion};
2725 # only activate afterwards, to support waiting in hooks
2726 $self->activate_recursive;
2727 }
2342 2728
2729}
2730
2343=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)]])
2344 2732
2345Moves 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
2346her, loading and preparing them map, calling the provided $check callback 2734her, loading and preparing them map, calling the provided $check callback
2347that 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
2348the 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
2349be called at the end of this process. 2737be called at the end of this process.
2350 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
2351=cut 2742=cut
2352 2743
2353our $GOTOGEN; 2744our $GOTOGEN;
2354 2745
2355sub cf::object::player::goto { 2746sub cf::object::player::goto {
2356 my ($self, $path, $x, $y, $check, $done) = @_; 2747 my ($self, $path, $x, $y, $check, $done) = @_;
2357 2748
2749 if ($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
2358 # 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
2359 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2756 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360 2757
2361 $self->enter_link; 2758 $self->enter_link;
2362 2759
2363 (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
2364 my $map = eval { 2782 my $map = eval {
2365 my $map = cf::map::find $path; 2783 my $map = defined $path ? cf::map::find $path : undef;
2366 2784
2367 if ($map) { 2785 if ($map) {
2368 $map = $map->customise_for ($self); 2786 $map = $map->customise_for ($self);
2369 $map = $check->($map) if $check && $map; 2787 $map = $check->($map, $x, $y, $self) if $check && $map;
2370 } else { 2788 } else {
2371 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2789 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372 } 2790 }
2373 2791
2374 $map 2792 $map
2375 }; 2793 };
2376 2794
2382 if ($gen == $self->{_goto_generation}) { 2800 if ($gen == $self->{_goto_generation}) {
2383 delete $self->{_goto_generation}; 2801 delete $self->{_goto_generation};
2384 $self->leave_link ($map, $x, $y); 2802 $self->leave_link ($map, $x, $y);
2385 } 2803 }
2386 2804
2387 $done->() if $done; 2805 $done->($self) if $done;
2388 })->prio (1); 2806 })->prio (1);
2389} 2807}
2390 2808
2391=item $player_object->enter_exit ($exit_object) 2809=item $player_object->enter_exit ($exit_object)
2392 2810
2412} 2830}
2413 2831
2414sub prepare_random_map { 2832sub prepare_random_map {
2415 my ($exit) = @_; 2833 my ($exit) = @_;
2416 2834
2417 my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419 # all this does is basically replace the /! path by 2835 # all this does is basically replace the /! path by
2420 # a new random map path (?random/...) with a seed 2836 # a new random map path (?random/...) with a seed
2421 # that depends on the exit object 2837 # that depends on the exit object
2422 2838
2423 my $rmp = parse_random_map_params $exit->msg; 2839 my $rmp = parse_random_map_params $exit->msg;
2425 if ($exit->map) { 2841 if ($exit->map) {
2426 $rmp->{region} = $exit->region->name; 2842 $rmp->{region} = $exit->region->name;
2427 $rmp->{origin_map} = $exit->map->path; 2843 $rmp->{origin_map} = $exit->map->path;
2428 $rmp->{origin_x} = $exit->x; 2844 $rmp->{origin_x} = $exit->x;
2429 $rmp->{origin_y} = $exit->y; 2845 $rmp->{origin_y} = $exit->y;
2846
2847 $exit->map->touch;
2430 } 2848 }
2431 2849
2432 $rmp->{random_seed} ||= $exit->random_seed; 2850 $rmp->{random_seed} ||= $exit->random_seed;
2433 2851
2434 my $data = cf::to_json $rmp; 2852 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435 my $md5 = Digest::MD5::md5_hex $data; 2853 my $md5 = Digest::MD5::md5_hex $data;
2436 my $meta = "$RANDOMDIR/$md5.meta"; 2854 my $meta = "$RANDOMDIR/$md5.meta";
2437 2855
2438 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439 aio_write $fh, 0, (length $data), $data, 0; 2857 aio_write $fh, 0, (length $data), $data, 0;
2440 undef $fh; 2858 undef $fh;
2441 aio_rename "$meta~", $meta; 2859 aio_rename "$meta~", $meta;
2442 2860
2861 my $slaying = "?random/$md5";
2862
2863 if ($exit->valid) {
2443 $exit->slaying ("?random/$md5"); 2864 $exit->slaying ("?random/$md5");
2444 $exit->msg (undef); 2865 $exit->msg (undef);
2866 }
2445 } 2867 }
2446} 2868}
2447 2869
2448sub cf::object::player::enter_exit { 2870sub cf::object::player::enter_exit {
2449 my ($self, $exit) = @_; 2871 my ($self, $exit) = @_;
2450 2872
2451 return unless $self->type == cf::PLAYER; 2873 return unless $self->type == cf::PLAYER;
2452 2874
2453 if ($exit->slaying eq "/!") {
2454 #TODO: this should de-fi-ni-te-ly not be a sync-job
2455 # the problem is that $exit might not survive long enough
2456 # so it needs to be done right now, right here
2457 cf::sync_job { prepare_random_map $exit };
2458 }
2459
2460 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461 my $hp = $exit->stats->hp;
2462 my $sp = $exit->stats->sp;
2463
2464 $self->enter_link; 2875 $self->enter_link;
2465 2876
2466 # if exit is damned, update players death & WoR home-position
2467 $self->contr->savebed ($slaying, $hp, $sp)
2468 if $exit->flag (FLAG_DAMNED);
2469
2470 (async { 2877 (async {
2471 $self->deactivate_recursive; # just to be sure 2878 $Coro::current->{desc} = "enter_exit";
2879
2472 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
2473 $self->goto ($slaying, $hp, $sp); 2895 $self->goto ($map, $x, $y);
2474 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
2475 1; 2901 1
2476 }) { 2902 }) {
2477 $self->message ("Something went wrong deep within the crossfire server. " 2903 $self->message ("Something went wrong deep within the deliantra server. "
2478 . "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. "
2479 . "Please report this to the dungeon master!", 2905 . "Please report this to the dungeon master!",
2480 cf::NDI_UNIQUE | cf::NDI_RED); 2906 cf::NDI_UNIQUE | cf::NDI_RED);
2481 2907
2482 warn "ERROR in enter_exit: $@"; 2908 error "ERROR in enter_exit: $@";
2483 $self->leave_link; 2909 $self->leave_link;
2484 } 2910 }
2485 })->prio (1); 2911 })->prio (1);
2486} 2912}
2487 2913
2499sub cf::client::send_drawinfo { 2925sub cf::client::send_drawinfo {
2500 my ($self, $text, $flags) = @_; 2926 my ($self, $text, $flags) = @_;
2501 2927
2502 utf8::encode $text; 2928 utf8::encode $text;
2503 $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);
2504} 2955}
2505 2956
2506=item $client->send_msg ($channel, $msg, $color, [extra...]) 2957=item $client->send_msg ($channel, $msg, $color, [extra...])
2507 2958
2508Send a drawinfo or msg packet to the client, formatting the msg for the 2959Send a drawinfo or msg packet to the client, formatting the msg for the
2510the message, with C<log> being the default. If C<$color> is negative, suppress 2961the message, with C<log> being the default. If C<$color> is negative, suppress
2511the message unless the client supports the msg packet. 2962the message unless the client supports the msg packet.
2512 2963
2513=cut 2964=cut
2514 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" => $CHAT_CHANNEL,
3078);
3079
2515sub cf::client::send_msg { 3080sub cf::client::send_msg {
2516 my ($self, $channel, $msg, $color, @extra) = @_; 3081 my ($self, $channel, $msg, $color, @extra) = @_;
2517 3082
2518 $msg = $self->pl->expand_cfpod ($msg); 3083 $msg = $self->pl->expand_cfpod ($msg)
3084 unless $color & cf::NDI_VERBATIM;
2519 3085
2520 $color &= cf::NDI_CLIENT_MASK; # just in case... 3086 $color &= cf::NDI_CLIENT_MASK; # just in case...
2521 3087
3088 # check predefined channels, for the benefit of C
3089 if ($CHANNEL{$channel}) {
3090 $channel = $CHANNEL{$channel};
3091
3092 $self->ext_msg (channel_info => $channel);
3093 $channel = $channel->{id};
3094
2522 if (ref $channel) { 3095 } elsif (ref $channel) {
2523 # send meta info to client, if not yet sent 3096 # send meta info to client, if not yet sent
2524 unless (exists $self->{channel}{$channel->{id}}) { 3097 unless (exists $self->{channel}{$channel->{id}}) {
2525 $self->{channel}{$channel->{id}} = $channel; 3098 $self->{channel}{$channel->{id}} = $channel;
2526 $self->ext_msg (channel_info => $channel); 3099 $self->ext_msg (channel_info => $channel);
2527 } 3100 }
2529 $channel = $channel->{id}; 3102 $channel = $channel->{id};
2530 } 3103 }
2531 3104
2532 return unless @extra || length $msg; 3105 return unless @extra || length $msg;
2533 3106
2534 if ($self->can_msg) {
2535 # default colour, mask it out 3107 # default colour, mask it out
2536 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF) 3108 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537 if $color & cf::NDI_DEF; 3109 if $color & cf::NDI_DEF;
2538 3110
2539 $self->send_packet ("msg " . $self->{json_coder}->encode ( 3111 my $pkt = "msg "
3112 . $self->{json_coder}->encode (
2540 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra])); 3113 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541 } else { 3114 );
2542 if ($color >= 0) {
2543 # replace some tags by gcfclient-compatible ones
2544 for ($msg) {
2545 1 while
2546 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551 }
2552 3115
2553 $color &= cf::NDI_COLOR_MASK; 3116 $self->send_big_packet ($pkt);
2554
2555 if (0 && $msg =~ /\[/) {
2556 $self->send_packet ("drawextinfo $color 4 0 $msg")
2557 } else {
2558 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2559 $self->send_packet ("drawinfo $color $msg")
2560 }
2561 }
2562 }
2563} 3117}
2564 3118
2565=item $client->ext_msg ($type, @msg) 3119=item $client->ext_msg ($type, @msg)
2566 3120
2567Sends an ext event to the client. 3121Sends an ext event to the client.
2569=cut 3123=cut
2570 3124
2571sub cf::client::ext_msg($$@) { 3125sub cf::client::ext_msg($$@) {
2572 my ($self, $type, @msg) = @_; 3126 my ($self, $type, @msg) = @_;
2573 3127
2574 my $extcmd = $self->extcmd;
2575
2576 if ($extcmd == 2) { 3128 if ($self->extcmd == 2) {
2577 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2578 } elsif ($extcmd == 1) { # TODO: remove 3130 } elsif ($self->extcmd == 1) { # TODO: remove
2579 push @msg, msgtype => "event_$type"; 3131 push @msg, msgtype => "event_$type";
2580 $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}));
2581 } 3151 }
2582} 3152}
2583 3153
2584=item $success = $client->query ($flags, "text", \&cb) 3154=item $success = $client->query ($flags, "text", \&cb)
2585 3155
2646 my ($type, $reply, @payload) = 3216 my ($type, $reply, @payload) =
2647 "ARRAY" eq ref $msg 3217 "ARRAY" eq ref $msg
2648 ? @$msg 3218 ? @$msg
2649 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3219 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650 3220
3221 my @reply;
3222
2651 if (my $cb = $EXTICMD{$type}) { 3223 if (my $cb = $EXTICMD{$type}) {
2652 my @reply = $cb->($ns, @payload); 3224 @reply = $cb->($ns, @payload);
2653
2654 $ns->ext_reply ($reply, @reply)
2655 if $reply;
2656 } 3225 }
3226
3227 $ns->ext_reply ($reply, @reply)
3228 if $reply;
3229
2657 } else { 3230 } else {
2658 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";
2659 } 3232 }
2660 3233
2661 cf::override; 3234 cf::override;
2662 }, 3235 },
2663); 3236);
2683 3256
2684 $coro 3257 $coro
2685} 3258}
2686 3259
2687cf::client->attach ( 3260cf::client->attach (
2688 on_destroy => sub { 3261 on_client_destroy => sub {
2689 my ($ns) = @_; 3262 my ($ns) = @_;
2690 3263
2691 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3264 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692 }, 3265 },
2693); 3266);
2708our $safe = new Safe "safe"; 3281our $safe = new Safe "safe";
2709our $safe_hole = new Safe::Hole; 3282our $safe_hole = new Safe::Hole;
2710 3283
2711$SIG{FPE} = 'IGNORE'; 3284$SIG{FPE} = 'IGNORE';
2712 3285
2713$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));
2714 3291
2715# here we export the classes and methods available to script code 3292# here we export the classes and methods available to script code
2716 3293
2717=pod 3294=pod
2718 3295
2719The following functions and methods are available within a safe environment: 3296The following functions and methods are available within a safe environment:
2720 3297
2721 cf::object 3298 cf::object
2722 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
2723 insert remove 3300 insert remove name archname title slaying race decrease split
3301 value
2724 3302
2725 cf::object::player 3303 cf::object::player
2726 player 3304 player
2727 3305
2728 cf::player 3306 cf::player
2733 3311
2734=cut 3312=cut
2735 3313
2736for ( 3314for (
2737 ["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
2738 insert remove)], 3316 insert remove inv nrof name archname title slaying race
3317 decrease split destroy change_exp value msg lore send_msg)],
2739 ["cf::object::player" => qw(player)], 3318 ["cf::object::player" => qw(player)],
2740 ["cf::player" => qw(peaceful)], 3319 ["cf::player" => qw(peaceful send_msg)],
2741 ["cf::map" => qw(trigger)], 3320 ["cf::map" => qw(trigger)],
2742) { 3321) {
2743 no strict 'refs';
2744 my ($pkg, @funs) = @$_; 3322 my ($pkg, @funs) = @$_;
2745 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3323 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2746 for @funs; 3324 for @funs;
2747} 3325}
2748 3326
2763 3341
2764 my $qcode = $code; 3342 my $qcode = $code;
2765 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3343 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2766 $qcode =~ s/\n/\\n/g; 3344 $qcode =~ s/\n/\\n/g;
2767 3345
3346 %vars = (_dummy => 0) unless %vars;
3347
3348 my @res;
2768 local $_; 3349 local $_;
2769 local @safe::cf::_safe_eval_args = values %vars;
2770 3350
2771 my $eval = 3351 my $eval =
2772 "do {\n" 3352 "do {\n"
2773 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3353 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2774 . "#line 0 \"{$qcode}\"\n" 3354 . "#line 0 \"{$qcode}\"\n"
2775 . $code 3355 . $code
2776 . "\n}" 3356 . "\n}"
2777 ; 3357 ;
2778 3358
3359 if ($CFG{safe_eval}) {
2779 sub_generation_inc; 3360 sub_generation_inc;
3361 local @safe::cf::_safe_eval_args = values %vars;
2780 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3362 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2781 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 }
2782 3368
2783 if ($@) { 3369 if ($@) {
2784 warn "$@"; 3370 warn "$@",
2785 warn "while executing safe code '$code'\n"; 3371 "while executing safe code '$code'\n",
2786 warn "with arguments " . (join " ", %vars) . "\n"; 3372 "with arguments " . (join " ", %vars) . "\n";
2787 } 3373 }
2788 3374
2789 wantarray ? @res : $res[0] 3375 wantarray ? @res : $res[0]
2790} 3376}
2791 3377
2805=cut 3391=cut
2806 3392
2807sub register_script_function { 3393sub register_script_function {
2808 my ($fun, $cb) = @_; 3394 my ($fun, $cb) = @_;
2809 3395
2810 no strict 'refs'; 3396 $fun = "safe::$fun" if $CFG{safe_eval};
2811 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3397 *$fun = $safe_hole->wrap ($cb);
2812} 3398}
2813 3399
2814=back 3400=back
2815 3401
2816=cut 3402=cut
2819# the server's init and main functions 3405# the server's init and main functions
2820 3406
2821sub load_facedata($) { 3407sub load_facedata($) {
2822 my ($path) = @_; 3408 my ($path) = @_;
2823 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
2824 warn "loading facedata from $path\n"; 3416 trace "loading facedata from $path\n";
2825 3417
2826 my $facedata;
2827 0 < aio_load $path, $facedata 3418 0 < aio_load $path, my $facedata
2828 or die "$path: $!"; 3419 or die "$path: $!";
2829 3420
2830 $facedata = Coro::Storable::thaw $facedata; 3421 $facedata = Coro::Storable::thaw $facedata;
2831 3422
2832 $facedata->{version} == 2 3423 $facedata->{version} == 2
2833 or cf::cleanup "$path: version mismatch, cannot proceed."; 3424 or cf::cleanup "$path: version mismatch, cannot proceed.";
2834 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
2835 { 3435 {
2836 my $faces = $facedata->{faceinfo}; 3436 my $faces = $facedata->{faceinfo};
2837 3437
2838 while (my ($face, $info) = each %$faces) { 3438 while (my ($face, $info) = each %$faces) {
2839 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3439 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3440
2840 cf::face::set_visibility $idx, $info->{visibility}; 3441 cf::face::set_visibility $idx, $info->{visibility};
2841 cf::face::set_magicmap $idx, $info->{magicmap}; 3442 cf::face::set_magicmap $idx, $info->{magicmap};
2842 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3443 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2843 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3444 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2844 3445
2845 cf::cede_to_tick; 3446 cf::cede_to_tick;
2846 } 3447 }
2847 3448
2848 while (my ($face, $info) = each %$faces) { 3449 while (my ($face, $info) = each %$faces) {
2849 next unless $info->{smooth}; 3450 next unless $info->{smooth};
3451
2850 my $idx = cf::face::find $face 3452 my $idx = cf::face::find $face
2851 or next; 3453 or next;
3454
2852 if (my $smooth = cf::face::find $info->{smooth}) { 3455 if (my $smooth = cf::face::find $info->{smooth}) {
2853 cf::face::set_smooth $idx, $smooth; 3456 cf::face::set_smooth $idx, $smooth;
2854 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3457 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2855 } else { 3458 } else {
2856 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3459 error "smooth face '$info->{smooth}' not found for face '$face'";
2857 } 3460 }
2858 3461
2859 cf::cede_to_tick; 3462 cf::cede_to_tick;
2860 } 3463 }
2861 } 3464 }
2870 3473
2871 cf::anim::invalidate_all; # d'oh 3474 cf::anim::invalidate_all; # d'oh
2872 } 3475 }
2873 3476
2874 { 3477 {
2875 # TODO: for gcfclient pleasure, we should give resources
2876 # that gcfclient doesn't grok a >10000 face index.
2877 my $res = $facedata->{resource}; 3478 my $res = $facedata->{resource};
2878 my $enc = JSON::XS->new->utf8->canonical;
2879
2880 my $soundconf = delete $res->{"res/sound.conf"};
2881 3479
2882 while (my ($name, $info) = each %$res) { 3480 while (my ($name, $info) = each %$res) {
2883 my $meta = $enc->encode ({ 3481 if (defined $info->{type}) {
2884 name => $name,
2885 %{ $info->{meta} || {} },
2886 });
2887
2888 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3482 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2889 3483
2890 if ($info->{type} & 1) {
2891 # prepend meta info
2892
2893 my $data = pack "(w/a*)*", $meta, $info->{data};
2894 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2895
2896 cf::face::set_data $idx, 0, $data, $chk; 3484 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3485 cf::face::set_type $idx, $info->{type};
2897 } else { 3486 } else {
2898 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum}; 3487 $RESOURCE{$name} = $info; # unused
2899 } 3488 }
2900 3489
2901 cf::face::set_type $idx, $info->{type};
2902
2903 cf::cede_to_tick; 3490 cf::cede_to_tick;
2904 } 3491 }
2905
2906 if ($soundconf) {
2907 $soundconf = $enc->decode (delete $soundconf->{data});
2908
2909 for (0 .. SOUND_CAST_SPELL_0 - 1) {
2910 my $sound = $soundconf->{compat}[$_]
2911 or next;
2912
2913 my $face = cf::face::find "sound/$sound->[1]";
2914
2915 cf::sound::set $sound->[0] => $face;
2916 cf::sound::old_sound_index $_, $face; # gcfclient-compat
2917 }
2918
2919 #TODO
2920 }
2921 } 3492 }
3493
3494 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2922 3495
2923 1 3496 1
2924} 3497}
2925 3498
2926register_exticmd fx_want => sub { 3499register_exticmd fx_want => sub {
2929 while (my ($k, $v) = each %$want) { 3502 while (my ($k, $v) = each %$want) {
2930 $ns->fx_want ($k, $v); 3503 $ns->fx_want ($k, $v);
2931 } 3504 }
2932}; 3505};
2933 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
2934sub 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
2935 load_resource_file "$MAPDIR/regions" 3522 load_resource_file "$MAPDIR/regions"
2936 or die "unable to load regions file\n"; 3523 or die "unable to load regions file\n";
2937 3524
2938 for (cf::region::list) { 3525 for (cf::region::list) {
2939 $_->{match} = qr/$_->{match}/ 3526 $_->{match} = qr/$_->{match}/
2947} 3534}
2948 3535
2949sub reload_archetypes { 3536sub reload_archetypes {
2950 load_resource_file "$DATADIR/archetypes" 3537 load_resource_file "$DATADIR/archetypes"
2951 or die "unable to load archetypes\n"; 3538 or die "unable to load archetypes\n";
2952 #d# NEED to laod twice to resolve forward references
2953 # this really needs to be done in an extra post-pass
2954 # (which needs to be synchronous, so solve it differently)
2955 load_resource_file "$DATADIR/archetypes"
2956 or die "unable to load archetypes\n";
2957} 3539}
2958 3540
2959sub reload_treasures { 3541sub reload_treasures {
2960 load_resource_file "$DATADIR/treasures" 3542 load_resource_file "$DATADIR/treasures"
2961 or die "unable to load treasurelists\n"; 3543 or die "unable to load treasurelists\n";
2962} 3544}
2963 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
2964sub reload_resources { 3569sub reload_resources {
2965 warn "reloading resource files...\n"; 3570 trace "reloading resource files...\n";
2966 3571
3572 reload_exp_table;
3573 reload_materials;
3574 reload_facedata;
3575 reload_sound;
3576 reload_archetypes;
2967 reload_regions; 3577 reload_regions;
2968 reload_facedata;
2969 #reload_archetypes;#d#
2970 reload_archetypes;
2971 reload_treasures; 3578 reload_treasures;
2972 3579
2973 warn "finished reloading resource files\n"; 3580 trace "finished reloading resource files\n";
2974} 3581}
2975 3582
2976sub init { 3583sub reload_config {
2977 reload_resources; 3584 trace "reloading config file...\n";
2978}
2979 3585
2980sub cfg_load { 3586 0 < aio_load "$CONFDIR/config", my $config
2981 open my $fh, "<:utf8", "$CONFDIR/config" 3587 or die "$CONFDIR/config: $!";
2982 or return;
2983 3588
2984 local $/; 3589 utf8::decode $config;
2985 *CFG = YAML::Syck::Load <$fh>; 3590 *CFG = yaml_load $config;
2986 3591
2987 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3592 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2988 3593
2989 $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};
2990 $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};
2991 3596
2992 if (exists $CFG{mlockall}) { 3597 if (exists $CFG{mlockall}) {
2996 }; 3601 };
2997 warn $@ if $@; 3602 warn $@ if $@;
2998 } 3603 }
2999} 3604}
3000 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
3001sub 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
3002 # we must not ever block the main coroutine 3644 # we must not ever block the main coroutine
3003 local $Coro::idle = sub { 3645 local $Coro::idle = sub {
3004 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#
3005 (async { 3647 (async {
3006 Event::one_event; 3648 $Coro::current->{desc} = "IDLE BUG HANDLER";
3649 EV::loop EV::LOOP_ONESHOT;
3007 })->prio (Coro::PRIO_MAX); 3650 })->prio (Coro::PRIO_MAX);
3008 }; 3651 };
3009 3652
3010 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;
3011 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
3012 load_extensions; 3676 load_extensions;
3013 3677
3014 $TICK_WATCHER->start; 3678 utime time, time, $RUNTIMEFILE;
3015 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;
3016} 3696}
3017 3697
3018############################################################################# 3698#############################################################################
3019# initialisation and cleanup 3699# initialisation and cleanup
3020 3700
3021# install some emergency cleanup handlers 3701# install some emergency cleanup handlers
3022BEGIN { 3702BEGIN {
3703 our %SIGWATCHER = ();
3023 for my $signal (qw(INT HUP TERM)) { 3704 for my $signal (qw(INT HUP TERM)) {
3024 Event->signal ( 3705 $SIGWATCHER{$signal} = AE::signal $signal, sub {
3025 reentrant => 0,
3026 data => WF_AUTOCANCEL,
3027 signal => $signal,
3028 prio => 0,
3029 cb => sub {
3030 cf::cleanup "SIG$signal"; 3706 cf::cleanup "SIG$signal";
3031 },
3032 ); 3707 };
3033 } 3708 }
3034} 3709}
3035 3710
3036sub write_runtime { 3711sub write_runtime_sync {
3037 my $runtime = "$LOCALDIR/runtime"; 3712 my $t0 = AE::time;
3038 3713
3039 # first touch the runtime file to show we are still running: 3714 # first touch the runtime file to show we are still running:
3040 # the fsync below can take a very very long time. 3715 # the fsync below can take a very very long time.
3041 3716
3042 IO::AIO::aio_utime $runtime, undef, undef; 3717 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3043 3718
3044 my $guard = cf::lock_acquire "write_runtime"; 3719 my $guard = cf::lock_acquire "write_runtime";
3045 3720
3046 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3721 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3047 or return; 3722 or return;
3048 3723
3049 my $value = $cf::RUNTIME + 90 + 10; 3724 my $value = $cf::RUNTIME + 90 + 10;
3050 # 10 is the runtime save interval, for a monotonic clock 3725 # 10 is the runtime save interval, for a monotonic clock
3051 # 60 allows for the watchdog to kill the server. 3726 # 60 allows for the watchdog to kill the server.
3061 aio_utime $fh, undef, undef; 3736 aio_utime $fh, undef, undef;
3062 3737
3063 close $fh 3738 close $fh
3064 or return; 3739 or return;
3065 3740
3066 aio_rename "$runtime~", $runtime 3741 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3067 and return; 3742 and return;
3068 3743
3069 warn "runtime file written.\n"; 3744 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3070 3745
3071 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 };
3072} 3797}
3073 3798
3074sub emergency_save() { 3799sub emergency_save() {
3075 my $freeze_guard = cf::freeze_mainloop; 3800 my $freeze_guard = cf::freeze_mainloop;
3076 3801
3077 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;
3078 3808
3079 cf::sync_job { 3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
3811
3080 # use a peculiar iteration method to avoid tripping on perl 3812 # use a peculiar iteration method to avoid tripping on perl
3081 # refcount bugs in for. also avoids problems with players 3813 # refcount bugs in for. also avoids problems with players
3082 # and maps saved/destroyed asynchronously. 3814 # and maps saved/destroyed asynchronously.
3083 warn "begin emergency player save\n"; 3815 info "emergency_perl_save: begin player save\n";
3084 for my $login (keys %cf::PLAYER) { 3816 for my $login (keys %cf::PLAYER) {
3085 my $pl = $cf::PLAYER{$login} or next; 3817 my $pl = $cf::PLAYER{$login} or next;
3086 $pl->valid or next; 3818 $pl->valid or next;
3819 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3087 $pl->save; 3820 $pl->save;
3088 } 3821 }
3089 warn "end emergency player save\n"; 3822 info "emergency_perl_save: end player save\n";
3090 3823
3091 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";
3092 for my $path (keys %cf::MAP) { 3827 for my $path (keys %cf::MAP) {
3093 my $map = $cf::MAP{$path} or next; 3828 my $map = $cf::MAP{$path} or next;
3094 $map->valid or next; 3829 $map->valid or next;
3095 $map->save; 3830 $map->save;
3096 } 3831 }
3097 warn "end emergency map save\n"; 3832 info "emergency_perl_save: end map save\n";
3098 3833
3099 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";
3100 BDB::db_env_txn_checkpoint $DB_ENV; 3837 BDB::db_env_txn_checkpoint $DB_ENV;
3101 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
3102 }; 3862 };
3103 3863
3104 warn "leave emergency perl save\n"; 3864 info "emergency_perl_save: leave\n";
3105} 3865}
3106 3866
3107sub post_cleanup { 3867sub post_cleanup {
3108 my ($make_core) = @_; 3868 my ($make_core) = @_;
3109 3869
3870 IO::AIO::flush;
3871
3110 warn Carp::longmess "post_cleanup backtrace" 3872 error Carp::longmess "post_cleanup backtrace"
3111 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 }
3112} 3902}
3113 3903
3114sub do_reload_perl() { 3904sub do_reload_perl() {
3115 # can/must only be called in main 3905 # can/must only be called in main
3116 if ($Coro::current != $Coro::main) { 3906 unless (in_main) {
3117 warn "can only reload from main coroutine"; 3907 error "can only reload from main coroutine";
3118 return; 3908 return;
3119 } 3909 }
3120 3910
3121 warn "reloading..."; 3911 return if $RELOAD++;
3122 3912
3123 warn "entering sync_job"; 3913 my $t1 = AE::time;
3124 3914
3915 while ($RELOAD) {
3916 cf::get_slot 0.1, -1, "reload_perl";
3917 info "perl_reload: reloading...";
3918
3919 trace "perl_reload: entering sync_job";
3920
3125 cf::sync_job { 3921 cf::sync_job {
3126 cf::write_runtime; # external watchdog should not bark
3127 cf::emergency_save; 3922 #cf::emergency_save;
3128 cf::write_runtime; # external watchdog should not bark
3129 3923
3130 warn "syncing database to disk";
3131 BDB::db_env_txn_checkpoint $DB_ENV;
3132
3133 # if anything goes wrong in here, we should simply crash as we already saved
3134
3135 warn "cancelling all WF_AUTOCANCEL watchers";
3136 for (Event::all_watchers) {
3137 $_->cancel if $_->data & WF_AUTOCANCEL;
3138 }
3139
3140 warn "flushing outstanding aio requests";
3141 for (;;) {
3142 BDB::flush;
3143 IO::AIO::flush;
3144 Coro::cede;
3145 last unless IO::AIO::nreqs || BDB::nreqs;
3146 warn "iterate...";
3147 }
3148
3149 ++$RELOAD;
3150
3151 warn "cancelling all extension coros"; 3924 trace "perl_reload: cancelling all extension coros";
3152 $_->cancel for values %EXT_CORO; 3925 $_->cancel for values %EXT_CORO;
3153 %EXT_CORO = (); 3926 %EXT_CORO = ();
3154 3927
3155 warn "removing commands"; 3928 trace "perl_reload: removing commands";
3156 %COMMAND = (); 3929 %COMMAND = ();
3157 3930
3158 warn "removing ext/exti commands"; 3931 trace "perl_reload: removing ext/exti commands";
3159 %EXTCMD = (); 3932 %EXTCMD = ();
3160 %EXTICMD = (); 3933 %EXTICMD = ();
3161 3934
3162 warn "unloading/nuking all extensions"; 3935 trace "perl_reload: unloading/nuking all extensions";
3163 for my $pkg (@EXTS) { 3936 for my $pkg (@EXTS) {
3164 warn "... unloading $pkg"; 3937 trace "... unloading $pkg";
3165 3938
3166 if (my $cb = $pkg->can ("unload")) { 3939 if (my $cb = $pkg->can ("unload")) {
3167 eval { 3940 eval {
3168 $cb->($pkg); 3941 $cb->($pkg);
3169 1 3942 1
3170 } 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;
3171 } 3948 }
3172 3949
3173 warn "... nuking $pkg";
3174 Symbol::delete_package $pkg;
3175 }
3176
3177 warn "unloading all perl modules loaded from $LIBDIR"; 3950 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3178 while (my ($k, $v) = each %INC) { 3951 while (my ($k, $v) = each %INC) {
3179 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3952 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3180 3953
3181 warn "... unloading $k"; 3954 trace "... unloading $k";
3182 delete $INC{$k}; 3955 delete $INC{$k};
3183 3956
3184 $k =~ s/\.pm$//; 3957 $k =~ s/\.pm$//;
3185 $k =~ s/\//::/g; 3958 $k =~ s/\//::/g;
3186 3959
3187 if (my $cb = $k->can ("unload_module")) { 3960 if (my $cb = $k->can ("unload_module")) {
3188 $cb->(); 3961 $cb->();
3962 }
3963
3964 clear_package $k;
3189 } 3965 }
3190 3966
3191 Symbol::delete_package $k;
3192 }
3193
3194 warn "getting rid of safe::, as good as possible"; 3967 trace "perl_reload: getting rid of safe::, as good as possible";
3195 Symbol::delete_package "safe::$_" 3968 clear_package "safe::$_"
3196 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);
3197 3970
3198 warn "unloading cf.pm \"a bit\""; 3971 trace "perl_reload: unloading cf.pm \"a bit\"";
3199 delete $INC{"cf.pm"}; 3972 delete $INC{"cf.pm"};
3200 delete $INC{"cf/pod.pm"}; 3973 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3201 3974
3202 # don't, removes xs symbols, too, 3975 # don't, removes xs symbols, too,
3203 # and global variables created in xs 3976 # and global variables created in xs
3204 #Symbol::delete_package __PACKAGE__; 3977 #clear_package __PACKAGE__;
3205 3978
3206 warn "unload completed, starting to reload now"; 3979 info "perl_reload: unload completed, starting to reload now";
3207 3980
3208 warn "reloading cf.pm"; 3981 trace "perl_reload: reloading cf.pm";
3209 require cf; 3982 require cf;
3210 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3983 cf::_connect_to_perl_1;
3211 3984
3212 warn "loading config and database again"; 3985 trace "perl_reload: loading config and database again";
3213 cf::cfg_load; 3986 cf::reload_config;
3214 3987
3215 warn "loading extensions"; 3988 trace "perl_reload: loading extensions";
3216 cf::load_extensions; 3989 cf::load_extensions;
3217 3990
3991 if ($REATTACH_ON_RELOAD) {
3218 warn "reattaching attachments to objects/players"; 3992 trace "perl_reload: reattaching attachments to objects/players";
3219 _global_reattach; # objects, sockets 3993 _global_reattach; # objects, sockets
3220 warn "reattaching attachments to maps"; 3994 trace "perl_reload: reattaching attachments to maps";
3221 reattach $_ for values %MAP; 3995 reattach $_ for values %MAP;
3222 warn "reattaching attachments to players"; 3996 trace "perl_reload: reattaching attachments to players";
3223 reattach $_ for values %PLAYER; 3997 reattach $_ for values %PLAYER;
3998 }
3224 3999
3225 warn "leaving sync_job"; 4000 cf::_post_init 1;
3226 4001
4002 trace "perl_reload: leaving sync_job";
4003
3227 1 4004 1
3228 } or do { 4005 } or do {
3229 warn $@; 4006 error $@;
3230 warn "error while reloading, exiting."; 4007 cf::cleanup "perl_reload: error, exiting.";
3231 exit 1; 4008 };
4009
4010 --$RELOAD;
3232 }; 4011 }
3233 4012
3234 warn "reloaded"; 4013 $t1 = AE::time - $t1;
4014 info "perl_reload: completed in ${t1}s\n";
3235}; 4015};
3236 4016
3237our $RELOAD_WATCHER; # used only during reload 4017our $RELOAD_WATCHER; # used only during reload
3238 4018
3239sub reload_perl() { 4019sub reload_perl() {
3240 # doing reload synchronously and two reloads happen back-to-back, 4020 # doing reload synchronously and two reloads happen back-to-back,
3241 # coro crashes during coro_state_free->destroy here. 4021 # coro crashes during coro_state_free->destroy here.
3242 4022
3243 $RELOAD_WATCHER ||= Event->timer ( 4023 $RELOAD_WATCHER ||= cf::async {
3244 reentrant => 0, 4024 Coro::AIO::aio_wait cache_extensions;
3245 after => 0, 4025
3246 data => WF_AUTOCANCEL, 4026 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3247 cb => sub {
3248 do_reload_perl; 4027 do_reload_perl;
3249 undef $RELOAD_WATCHER; 4028 undef $RELOAD_WATCHER;
3250 }, 4029 };
3251 ); 4030 };
3252} 4031}
3253 4032
3254register_command "reload" => sub { 4033register_command "reload" => sub {
3255 my ($who, $arg) = @_; 4034 my ($who, $arg) = @_;
3256 4035
3257 if ($who->flag (FLAG_WIZ)) { 4036 if ($who->flag (FLAG_WIZ)) {
3258 $who->message ("reloading server."); 4037 $who->message ("reloading server.");
4038 async {
4039 $Coro::current->{desc} = "perl_reload";
3259 async { reload_perl }; 4040 reload_perl;
4041 };
3260 } 4042 }
3261}; 4043};
3262 4044
3263unshift @INC, $LIBDIR; 4045#############################################################################
3264 4046
3265my $bug_warning = 0; 4047my $bug_warning = 0;
3266 4048
3267our @WAIT_FOR_TICK; 4049our @WAIT_FOR_TICK;
3268our @WAIT_FOR_TICK_BEGIN; 4050our @WAIT_FOR_TICK_BEGIN;
3269 4051
3270sub wait_for_tick { 4052sub wait_for_tick() {
3271 return unless $TICK_WATCHER->is_active;
3272 return if $Coro::current == $Coro::main; 4053 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3273 4054
3274 my $signal = new Coro::Signal; 4055 my $signal = new Coro::Signal;
3275 push @WAIT_FOR_TICK, $signal; 4056 push @WAIT_FOR_TICK, $signal;
3276 $signal->wait; 4057 $signal->wait;
3277} 4058}
3278 4059
3279sub wait_for_tick_begin { 4060sub wait_for_tick_begin() {
3280 return unless $TICK_WATCHER->is_active;
3281 return if $Coro::current == $Coro::main; 4061 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3282 4062
3283 my $signal = new Coro::Signal; 4063 my $signal = new Coro::Signal;
3284 push @WAIT_FOR_TICK_BEGIN, $signal; 4064 push @WAIT_FOR_TICK_BEGIN, $signal;
3285 $signal->wait; 4065 $signal->wait;
3286} 4066}
3287 4067
3288 my $min = 1e6;#d# 4068sub tick {
3289 my $avg = 10;
3290$TICK_WATCHER = Event->timer (
3291 reentrant => 0,
3292 parked => 1,
3293 prio => 0,
3294 at => $NEXT_TICK || $TICK,
3295 data => WF_AUTOCANCEL,
3296 cb => sub {
3297 if ($Coro::current != $Coro::main) { 4069 if ($Coro::current != $Coro::main) {
3298 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4070 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3299 unless ++$bug_warning > 10; 4071 unless ++$bug_warning > 10;
3300 return; 4072 return;
3301 } 4073 }
3302 4074
3303 $NOW = $tick_start = Event::time;
3304
3305 cf::server_tick; # one server iteration 4075 cf::server_tick; # one server iteration
3306 4076
3307 0 && sync_job {#d# 4077 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3308 for(1..10) {
3309 my $t = Event::time;
3310 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3311 or die;
3312 4078
3313 $map->width (50); 4079 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3314 $map->height (50); 4080 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3315 $map->alloc; 4081 Coro::async_pool {
3316 $map->_load_objects ("/tmp/x.map", 1); 4082 $Coro::current->{desc} = "runtime saver";
3317 my $t = Event::time - $t; 4083 write_runtime_sync
3318 4084 or error "ERROR: unable to write runtime file: $!";
3319 #next unless $t < 0.0013;#d#
3320 if ($t < $min) {
3321 $min = $t;
3322 }
3323 $avg = $avg * 0.99 + $t * 0.01;
3324 }
3325 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3326 exit 0;
3327 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3328 }; 4085 };
4086 }
3329 4087
3330 $RUNTIME += $TICK;
3331 $NEXT_TICK += $TICK;
3332
3333 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3334 $NEXT_RUNTIME_WRITE = $NOW + 10;
3335 Coro::async_pool {
3336 write_runtime
3337 or warn "ERROR: unable to write runtime file: $!";
3338 };
3339 }
3340
3341# my $AFTER = Event::time;
3342# warn $AFTER - $NOW;#d#
3343
3344 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4088 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3345 $sig->send; 4089 $sig->send;
3346 } 4090 }
3347 while (my $sig = shift @WAIT_FOR_TICK) { 4091 while (my $sig = shift @WAIT_FOR_TICK) {
3348 $sig->send; 4092 $sig->send;
3349 } 4093 }
3350 4094
3351 $NOW = Event::time; 4095 $LOAD = ($NOW - $TICK_START) / $TICK;
3352
3353 # if we are delayed by four ticks or more, skip them all
3354 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3355
3356 $TICK_WATCHER->at ($NEXT_TICK);
3357 $TICK_WATCHER->start;
3358
3359 $LOAD = ($NOW - $tick_start) / $TICK;
3360 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4096 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3361 4097
3362 _post_tick; 4098 if (0) {
3363 4099 if ($NEXT_TICK) {
3364 4100 my $jitter = $TICK_START - $NEXT_TICK;
4101 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4102 debug "jitter $JITTER\n";#d#
4103 }
3365 }, 4104 }
3366); 4105}
3367 4106
3368{ 4107{
3369 BDB::max_poll_time $TICK * 0.1; 4108 # configure BDB
3370 $BDB_POLL_WATCHER = Event->io ( 4109
3371 reentrant => 0,
3372 fd => BDB::poll_fileno,
3373 poll => 'r',
3374 prio => 0,
3375 data => WF_AUTOCANCEL,
3376 cb => \&BDB::poll_cb,
3377 );
3378 BDB::min_parallel 8; 4110 BDB::min_parallel 16;
3379 4111 BDB::max_poll_reqs $TICK * 0.1;
3380 BDB::set_sync_prepare { 4112 $AnyEvent::BDB::WATCHER->priority (1);
3381 my $status;
3382 my $current = $Coro::current;
3383 (
3384 sub {
3385 $status = $!;
3386 $current->ready; undef $current;
3387 },
3388 sub {
3389 Coro::schedule while defined $current;
3390 $! = $status;
3391 },
3392 )
3393 };
3394 4113
3395 unless ($DB_ENV) { 4114 unless ($DB_ENV) {
3396 $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);
3397 4121
3398 cf::sync_job { 4122 cf::sync_job {
3399 eval { 4123 eval {
3400 BDB::db_env_open 4124 BDB::db_env_open
3401 $DB_ENV, 4125 $DB_ENV,
3403 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4127 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3404 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4128 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3405 0666; 4129 0666;
3406 4130
3407 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4131 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3408
3409 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3410 $DB_ENV->set_lk_detect;
3411 }; 4132 };
3412 4133
3413 cf::cleanup "db_env_open(db): $@" if $@; 4134 cf::cleanup "db_env_open(db): $@" if $@;
3414 }; 4135 };
3415 } 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 };
3416} 4147}
3417 4148
3418{ 4149{
4150 # configure IO::AIO
4151
3419 IO::AIO::min_parallel 8; 4152 IO::AIO::min_parallel 8;
3420
3421 undef $Coro::AIO::WATCHER;
3422 IO::AIO::max_poll_time $TICK * 0.1; 4153 IO::AIO::max_poll_time $TICK * 0.1;
3423 $AIO_POLL_WATCHER = Event->io ( 4154 undef $AnyEvent::AIO::WATCHER;
3424 reentrant => 0,
3425 data => WF_AUTOCANCEL,
3426 fd => IO::AIO::poll_fileno,
3427 poll => 'r',
3428 prio => 6,
3429 cb => \&IO::AIO::poll_cb,
3430 );
3431} 4155}
3432 4156
3433my $_log_backtrace; 4157our $_log_backtrace;
4158our $_log_backtrace_last;
3434 4159
3435sub _log_backtrace { 4160sub _log_backtrace {
3436 my ($msg, @addr) = @_; 4161 my ($msg, @addr) = @_;
3437 4162
3438 $msg =~ s/\n//; 4163 $msg =~ s/\n$//;
3439 4164
4165 if ($_log_backtrace_last eq $msg) {
4166 LOG llevInfo, "[ABT] $msg\n";
4167 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3440 # limit the # of concurrent backtraces 4168 # limit the # of concurrent backtraces
3441 if ($_log_backtrace < 2) { 4169 } elsif ($_log_backtrace < 2) {
4170 $_log_backtrace_last = $msg;
3442 ++$_log_backtrace; 4171 ++$_log_backtrace;
4172 my $perl_bt = Carp::longmess $msg;
3443 async { 4173 async {
4174 $Coro::current->{desc} = "abt $msg";
4175
3444 my @bt = fork_call { 4176 my @bt = fork_call {
3445 @addr = map { sprintf "%x", $_ } @addr; 4177 @addr = map { sprintf "%x", $_ } @addr;
3446 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4178 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3447 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 |"
3448 or die "addr2line: $!"; 4180 or die "addr2line: $!";
3456 } 4188 }
3457 4189
3458 @funcs 4190 @funcs
3459 }; 4191 };
3460 4192
3461 LOG llevInfo, "[ABT] $msg\n"; 4193 LOG llevInfo, "[ABT] $perl_bt\n";
4194 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3462 LOG llevInfo, "[ABT] $_\n" for @bt; 4195 LOG llevInfo, "[ABT] $_\n" for @bt;
3463 --$_log_backtrace; 4196 --$_log_backtrace;
3464 }; 4197 };
3465 } else { 4198 } else {
3466 LOG llevInfo, "[ABT] $msg\n"; 4199 LOG llevInfo, "[ABT] $msg\n";
3467 LOG llevInfo, "[ABT] [suppressed]\n"; 4200 LOG llevInfo, "[ABT] [overload, suppressed]\n";
3468 } 4201 }
3469} 4202}
3470 4203
3471# load additional modules 4204# load additional modules
3472use cf::pod; 4205require "cf/$_.pm" for @EXTRA_MODULES;
4206cf::_connect_to_perl_2;
3473 4207
3474END { cf::emergency_save } 4208END { cf::emergency_save }
3475 4209
34761 42101
3477 4211

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