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Revision 1.317 by root, Mon Jul 23 23:38:17 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 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->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1613 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1615 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1616 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1632 1889
1633sub register { 1890sub register {
1634 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1635 my $pkg = caller; 1892 my $pkg = caller;
1636 1893
1637 no strict;
1638 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1639 1895
1640 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641} 1897}
1642 1898
1643# also paths starting with '/' 1899# also paths starting with '/'
1644$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645 1901
1646sub thawer_merge { 1902sub thawer_merge {
1647 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1648 1904
1649 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1654} 1910}
1655 1911
1656sub normalise { 1912sub normalise {
1657 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1658 1914
1659 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1660 1916
1661 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1662 1918
1663 # map plan: 1919 # map plan:
1664 # 1920 #
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
2185 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME);
2187
1926 $self->in_memory (cf::MAP_IN_MEMORY); 2188 $self->in_memory (cf::MAP_ACTIVE);
1927 } 2189 }
1928 2190
1929 $self->post_load; 2191 $self->post_load;
1930} 2192}
1931 2193
2194# customize the map for a given player, i.e.
2195# return the _real_ map. used by e.g. per-player
2196# maps to change the path to ~playername/mappath
1932sub customise_for { 2197sub customise_for {
1933 my ($self, $ob) = @_; 2198 my ($self, $ob) = @_;
1934 2199
1935 return find "~" . $ob->name . "/" . $self->{path} 2200 return find "~" . $ob->name . "/" . $self->{path}
1936 if $self->per_player; 2201 if $self->per_player;
1940 2205
1941 $self 2206 $self
1942} 2207}
1943 2208
1944# find and load all maps in the 3x3 area around a map 2209# find and load all maps in the 3x3 area around a map
1945sub load_diag { 2210sub load_neighbours {
1946 my ($map) = @_; 2211 my ($map) = @_;
1947 2212
1948 my @diag; # diagonal neighbours 2213 my @neigh; # diagonal neighbours
1949 2214
1950 for (0 .. 3) { 2215 for (0 .. 3) {
1951 my $neigh = $map->tile_path ($_) 2216 my $neigh = $map->tile_path ($_)
1952 or next; 2217 or next;
1953 $neigh = find $neigh, $map 2218 $neigh = find $neigh, $map
1954 or next; 2219 or next;
1955 $neigh->load; 2220 $neigh->load;
1956 2221
2222 # now find the diagonal neighbours
2223 push @neigh,
1957 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2224 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2225 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1959 } 2226 }
1960 2227
1961 for (@diag) { 2228 for (grep defined $_->[0], @neigh) {
2229 my ($path, $origin) = @$_;
1962 my $neigh = find @$_ 2230 my $neigh = find $path, $origin
1963 or next; 2231 or next;
1964 $neigh->load; 2232 $neigh->load;
1965 } 2233 }
1966} 2234}
1967 2235
1968sub find_sync { 2236sub find_sync {
1969 my ($path, $origin) = @_; 2237 my ($path, $origin) = @_;
1970 2238
1971 cf::sync_job { find $path, $origin } 2239 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2240 if $Coro::current == $Coro::main;
2241
2242 find $path, $origin
1972} 2243}
1973 2244
1974sub do_load_sync { 2245sub do_load_sync {
1975 my ($map) = @_; 2246 my ($map) = @_;
1976 2247
1977 cf::sync_job { $map->load }; 2248 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2249 if $Coro::current == $Coro::main;
2250
2251 $map->load;
1978} 2252}
1979 2253
1980our %MAP_PREFETCH; 2254our %MAP_PREFETCH;
1981our $MAP_PREFETCHER = undef; 2255our $MAP_PREFETCHER = undef;
1982 2256
1983sub find_async { 2257sub find_async {
1984 my ($path, $origin) = @_; 2258 my ($path, $origin, $load) = @_;
1985 2259
1986 $path = normalise $path, $origin && $origin->{path}; 2260 $path = normalise $path, $origin && $origin->{path};
1987 2261
1988 if (my $map = $cf::MAP{$path}) { 2262 if (my $map = $cf::MAP{$path}) {
1989 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2263 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1990 } 2264 }
1991 2265
1992 undef $MAP_PREFETCH{$path}; 2266 $MAP_PREFETCH{$path} |= $load;
2267
1993 $MAP_PREFETCHER ||= cf::async { 2268 $MAP_PREFETCHER ||= cf::async {
2269 $Coro::current->{desc} = "map prefetcher";
2270
1994 while (%MAP_PREFETCH) { 2271 while (%MAP_PREFETCH) {
1995 for my $path (keys %MAP_PREFETCH) { 2272 while (my ($k, $v) = each %MAP_PREFETCH) {
1996 if (my $map = find $path) { 2273 if (my $map = find $k) {
1997 $map->load; 2274 $map->load if $v;
1998 } 2275 }
1999 2276
2000 delete $MAP_PREFETCH{$path}; 2277 delete $MAP_PREFETCH{$k};
2001 } 2278 }
2002 } 2279 }
2003 undef $MAP_PREFETCHER; 2280 undef $MAP_PREFETCHER;
2004 }; 2281 };
2005 $MAP_PREFETCHER->prio (6); 2282 $MAP_PREFETCHER->prio (6);
2006 2283
2007 () 2284 ()
2008} 2285}
2009 2286
2287# common code, used by both ->save and ->swapout
2010sub save { 2288sub _save {
2011 my ($self) = @_; 2289 my ($self) = @_;
2012
2013 my $lock = cf::lock_acquire "map_data:" . $self->path;
2014 2290
2015 $self->{last_save} = $cf::RUNTIME; 2291 $self->{last_save} = $cf::RUNTIME;
2016 2292
2017 return unless $self->dirty; 2293 return unless $self->dirty;
2018 2294
2024 return if $self->{deny_save}; 2300 return if $self->{deny_save};
2025 2301
2026 local $self->{last_access} = $self->last_access;#d# 2302 local $self->{last_access} = $self->last_access;#d#
2027 2303
2028 cf::async { 2304 cf::async {
2305 $Coro::current->{desc} = "map player save";
2029 $_->contr->save for $self->players; 2306 $_->contr->save for $self->players;
2030 }; 2307 };
2308
2309 cf::get_slot 0.02;
2031 2310
2032 if ($uniq) { 2311 if ($uniq) {
2033 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2312 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2313 $self->_save_objects ($uniq, cf::IO_UNIQUES);
2035 } else { 2314 } else {
2036 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2315 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037 } 2316 }
2038} 2317}
2039 2318
2319sub save {
2320 my ($self) = @_;
2321
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
2324 $self->_save;
2325}
2326
2040sub swap_out { 2327sub swap_out {
2041 my ($self) = @_; 2328 my ($self) = @_;
2042 2329
2043 # save first because save cedes
2044 $self->save;
2045
2046 my $lock = cf::lock_acquire "map_data:" . $self->path; 2330 my $lock = cf::lock_acquire "map_data:$self->{path}";
2047 2331
2332 return if $self->in_memory != cf::MAP_ACTIVE;
2333 return if $self->{deny_save};
2048 return if $self->players; 2334 return if $self->players;
2049 return if $self->in_memory != cf::MAP_IN_MEMORY;
2050 return if $self->{deny_save};
2051 2335
2336 # first deactivate the map and "unlink" it from the core
2337 $self->deactivate;
2338 $_->clear_links_to ($self) for values %cf::MAP;
2339 $self->in_memory (cf::MAP_SWAPPED);
2340
2341 # then atomically save
2342 $self->_save;
2343
2344 # then free the map
2052 $self->clear; 2345 $self->clear;
2053 $self->in_memory (cf::MAP_SWAPPED);
2054} 2346}
2055 2347
2056sub reset_at { 2348sub reset_at {
2057 my ($self) = @_; 2349 my ($self) = @_;
2058 2350
2076 2368
2077 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2369 my $lock = cf::lock_acquire "map_data:$self->{path}";
2078 2370
2079 return if $self->players; 2371 return if $self->players;
2080 2372
2081 warn "resetting map ", $self->path; 2373 cf::trace "resetting map ", $self->path, "\n";
2082 2374
2083 $self->in_memory (cf::MAP_SWAPPED); 2375 $self->in_memory (cf::MAP_SWAPPED);
2084 2376
2085 # need to save uniques path 2377 # need to save uniques path
2086 unless ($self->{deny_save}) { 2378 unless ($self->{deny_save}) {
2090 if $uniq; 2382 if $uniq;
2091 } 2383 }
2092 2384
2093 delete $cf::MAP{$self->path}; 2385 delete $cf::MAP{$self->path};
2094 2386
2387 $self->deactivate;
2388 $_->clear_links_to ($self) for values %cf::MAP;
2095 $self->clear; 2389 $self->clear;
2096
2097 $_->clear_links_to ($self) for values %cf::MAP;
2098 2390
2099 $self->unlink_save; 2391 $self->unlink_save;
2100 $self->destroy; 2392 $self->destroy;
2101} 2393}
2102 2394
2103my $nuke_counter = "aaaa"; 2395my $nuke_counter = "aaaa";
2104 2396
2105sub nuke { 2397sub nuke {
2106 my ($self) = @_; 2398 my ($self) = @_;
2107 2399
2400 {
2401 my $lock = cf::lock_acquire "map_data:$self->{path}";
2402
2108 delete $cf::MAP{$self->path}; 2403 delete $cf::MAP{$self->path};
2109 2404
2110 $self->unlink_save; 2405 $self->unlink_save;
2111 2406
2112 bless $self, "cf::map"; 2407 bless $self, "cf::map::wrap";
2113 delete $self->{deny_reset}; 2408 delete $self->{deny_reset};
2114 $self->{deny_save} = 1; 2409 $self->{deny_save} = 1;
2115 $self->reset_timeout (1); 2410 $self->reset_timeout (1);
2116 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2411 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117 2412
2118 $cf::MAP{$self->path} = $self; 2413 $cf::MAP{$self->path} = $self;
2414 }
2119 2415
2120 $self->reset; # polite request, might not happen 2416 $self->reset; # polite request, might not happen
2121} 2417}
2122 2418
2123=item $maps = cf::map::tmp_maps 2419=item $maps = cf::map::tmp_maps
2165 2461
2166sub unique_maps() { 2462sub unique_maps() {
2167 [ 2463 [
2168 map { 2464 map {
2169 utf8::decode $_; 2465 utf8::decode $_;
2170 /\.map$/ 2466 s/\.map$//; # TODO future compatibility hack
2467 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2468 ? ()
2171 ? normalise $_ 2469 : normalise $_
2172 : ()
2173 } @{ aio_readdir $UNIQUEDIR or [] } 2470 } @{ aio_readdir $UNIQUEDIR or [] }
2174 ] 2471 ]
2175} 2472}
2176 2473
2177package cf; 2474=item cf::map::static_maps
2475
2476Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2477file in the shared directory excluding F</styles> and F</editor>). May
2478block.
2479
2480=cut
2481
2482sub static_maps() {
2483 my @dirs = "";
2484 my @maps;
2485
2486 while (@dirs) {
2487 my $dir = shift @dirs;
2488
2489 next if $dir eq "/styles" || $dir eq "/editor";
2490
2491 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2492 or return;
2493
2494 for (@$files) {
2495 s/\.map$// or next;
2496 utf8::decode $_;
2497 push @maps, "$dir/$_";
2498 }
2499
2500 push @dirs, map "$dir/$_", @$dirs;
2501 }
2502
2503 \@maps
2504}
2178 2505
2179=back 2506=back
2180 2507
2181=head3 cf::object 2508=head3 cf::object
2182 2509
2186 2513
2187=over 4 2514=over 4
2188 2515
2189=item $ob->inv_recursive 2516=item $ob->inv_recursive
2190 2517
2191Returns the inventory of the object _and_ their inventories, recursively. 2518Returns the inventory of the object I<and> their inventories, recursively,
2519but I<not> the object itself.
2192 2520
2193=cut 2521=cut
2194 2522
2195sub inv_recursive_; 2523sub inv_recursive_;
2196sub inv_recursive_ { 2524sub inv_recursive_ {
2199 2527
2200sub inv_recursive { 2528sub inv_recursive {
2201 inv_recursive_ inv $_[0] 2529 inv_recursive_ inv $_[0]
2202} 2530}
2203 2531
2532=item $ref = $ob->ref
2533
2534Creates and returns a persistent reference to an object that can be stored as a string.
2535
2536=item $ob = cf::object::deref ($refstring)
2537
2538returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2539even if the object actually exists. May block.
2540
2541=cut
2542
2543sub deref {
2544 my ($ref) = @_;
2545
2546 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2547 my ($uuid, $name) = ($1, $2);
2548 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2549 or return;
2550 $pl->ob->uuid eq $uuid
2551 or return;
2552
2553 $pl->ob
2554 } else {
2555 warn "$ref: cannot resolve object reference\n";
2556 undef
2557 }
2558}
2559
2204package cf; 2560package cf;
2205 2561
2206=back 2562=back
2207 2563
2208=head3 cf::object::player 2564=head3 cf::object::player
2214Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2570Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215can be C<undef>. Does the right thing when the player is currently in a 2571can be C<undef>. Does the right thing when the player is currently in a
2216dialogue with the given NPC character. 2572dialogue with the given NPC character.
2217 2573
2218=cut 2574=cut
2575
2576our $SAY_CHANNEL = {
2577 id => "say",
2578 title => "Map",
2579 reply => "say ",
2580 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2581};
2582
2583our $CHAT_CHANNEL = {
2584 id => "chat",
2585 title => "Chat",
2586 reply => "chat ",
2587 tooltip => "Player chat and shouts, global to the server.",
2588};
2219 2589
2220# rough implementation of a future "reply" method that works 2590# rough implementation of a future "reply" method that works
2221# with dialog boxes. 2591# with dialog boxes.
2222#TODO: the first argument must go, split into a $npc->reply_to ( method 2592#TODO: the first argument must go, split into a $npc->reply_to ( method
2223sub cf::object::player::reply($$$;$) { 2593sub cf::object::player::reply($$$;$) {
2235 my $dialog = $pl->{npc_dialog}; 2605 my $dialog = $pl->{npc_dialog};
2236 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg)); 2606 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237 2607
2238 } else { 2608 } else {
2239 $msg = $npc->name . " says: $msg" if $npc; 2609 $msg = $npc->name . " says: $msg" if $npc;
2240 $self->message ($msg, $flags); 2610 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241 } 2611 }
2242 } 2612 }
2613}
2614
2615=item $object->send_msg ($channel, $msg, $color, [extra...])
2616
2617=cut
2618
2619sub cf::object::send_msg {
2620 my $pl = shift->contr
2621 or return;
2622 $pl->send_msg (@_);
2243} 2623}
2244 2624
2245=item $player_object->may ("access") 2625=item $player_object->may ("access")
2246 2626
2247Returns wether the given player is authorized to access resource "access" 2627Returns wether the given player is authorized to access resource "access"
2260 2640
2261=item $player_object->enter_link 2641=item $player_object->enter_link
2262 2642
2263Freezes the player and moves him/her to a special map (C<{link}>). 2643Freezes the player and moves him/her to a special map (C<{link}>).
2264 2644
2265The player should be reasonably safe there for short amounts of time. You 2645The player should be reasonably safe there for short amounts of time (e.g.
2266I<MUST> call C<leave_link> as soon as possible, though. 2646for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2647though, as the player cannot control the character while it is on the link
2648map.
2267 2649
2268Will never block. 2650Will never block.
2269 2651
2270=item $player_object->leave_link ($map, $x, $y) 2652=item $player_object->leave_link ($map, $x, $y)
2271 2653
2291sub cf::object::player::enter_link { 2673sub cf::object::player::enter_link {
2292 my ($self) = @_; 2674 my ($self) = @_;
2293 2675
2294 $self->deactivate_recursive; 2676 $self->deactivate_recursive;
2295 2677
2678 ++$self->{_link_recursion};
2679
2296 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2680 return if UNIVERSAL::isa $self->map, "ext::map_link";
2297 2681
2298 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2682 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299 if $self->map && $self->map->{path} ne "{link}"; 2683 if $self->map && $self->map->{path} ne "{link}";
2300 2684
2301 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2685 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2302} 2686}
2303 2687
2304sub cf::object::player::leave_link { 2688sub cf::object::player::leave_link {
2305 my ($self, $map, $x, $y) = @_; 2689 my ($self, $map, $x, $y) = @_;
2306 2690
2323 ($x, $y) = (-1, -1) 2707 ($x, $y) = (-1, -1)
2324 unless (defined $x) && (defined $y); 2708 unless (defined $x) && (defined $y);
2325 2709
2326 # use -1 or undef as default coordinates, not 0, 0 2710 # use -1 or undef as default coordinates, not 0, 0
2327 ($x, $y) = ($map->enter_x, $map->enter_y) 2711 ($x, $y) = ($map->enter_x, $map->enter_y)
2328 if $x <=0 && $y <= 0; 2712 if $x <= 0 && $y <= 0;
2329 2713
2330 $map->load; 2714 $map->load;
2331 $map->load_diag; 2715 $map->load_neighbours;
2332 2716
2333 return unless $self->contr->active; 2717 return unless $self->contr->active;
2334 $self->activate_recursive;
2335 2718
2336 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2719 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337 $self->enter_map ($map, $x, $y); 2720 if ($self->enter_map ($map, $x, $y)) {
2338} 2721 # entering was successful
2722 delete $self->{_link_recursion};
2723 # only activate afterwards, to support waiting in hooks
2724 $self->activate_recursive;
2725 }
2339 2726
2727}
2728
2340=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2729=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341 2730
2342Moves the player to the given map-path and coordinates by first freezing 2731Moves the player to the given map-path and coordinates by first freezing
2343her, loading and preparing them map, calling the provided $check callback 2732her, loading and preparing them map, calling the provided $check callback
2344that has to return the map if sucecssful, and then unfreezes the player on 2733that has to return the map if sucecssful, and then unfreezes the player on
2345the new (success) or old (failed) map position. In either case, $done will 2734the new (success) or old (failed) map position. In either case, $done will
2346be called at the end of this process. 2735be called at the end of this process.
2347 2736
2737Note that $check will be called with a potentially non-loaded map, so if
2738it needs a loaded map it has to call C<< ->load >>.
2739
2348=cut 2740=cut
2349 2741
2350our $GOTOGEN; 2742our $GOTOGEN;
2351 2743
2352sub cf::object::player::goto { 2744sub cf::object::player::goto {
2353 my ($self, $path, $x, $y, $check, $done) = @_; 2745 my ($self, $path, $x, $y, $check, $done) = @_;
2354 2746
2747 if ($self->{_link_recursion} >= $MAX_LINKS) {
2748 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2749 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2750 ($path, $x, $y) = @$EMERGENCY_POSITION;
2751 }
2752
2355 # do generation counting so two concurrent goto's will be executed in-order 2753 # do generation counting so two concurrent goto's will be executed in-order
2356 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2754 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357 2755
2358 $self->enter_link; 2756 $self->enter_link;
2359 2757
2360 (async { 2758 (async {
2759 $Coro::current->{desc} = "player::goto $path $x $y";
2760
2761 # *tag paths override both path and x|y
2762 if ($path =~ /^\*(.*)$/) {
2763 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2764 my $ob = $obs[rand @obs];
2765
2766 # see if we actually can go there
2767 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2768 $ob = $obs[rand @obs];
2769 } else {
2770 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2771 }
2772 # else put us there anyways for now #d#
2773
2774 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2775 } else {
2776 ($path, $x, $y) = (undef, undef, undef);
2777 }
2778 }
2779
2361 my $map = eval { 2780 my $map = eval {
2362 my $map = cf::map::find $path; 2781 my $map = defined $path ? cf::map::find $path : undef;
2363 2782
2364 if ($map) { 2783 if ($map) {
2365 $map = $map->customise_for ($self); 2784 $map = $map->customise_for ($self);
2366 $map = $check->($map) if $check && $map; 2785 $map = $check->($map, $x, $y, $self) if $check && $map;
2367 } else { 2786 } else {
2368 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2787 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369 } 2788 }
2370 2789
2371 $map 2790 $map
2372 }; 2791 };
2373 2792
2379 if ($gen == $self->{_goto_generation}) { 2798 if ($gen == $self->{_goto_generation}) {
2380 delete $self->{_goto_generation}; 2799 delete $self->{_goto_generation};
2381 $self->leave_link ($map, $x, $y); 2800 $self->leave_link ($map, $x, $y);
2382 } 2801 }
2383 2802
2384 $done->() if $done; 2803 $done->($self) if $done;
2385 })->prio (1); 2804 })->prio (1);
2386} 2805}
2387 2806
2388=item $player_object->enter_exit ($exit_object) 2807=item $player_object->enter_exit ($exit_object)
2389 2808
2409} 2828}
2410 2829
2411sub prepare_random_map { 2830sub prepare_random_map {
2412 my ($exit) = @_; 2831 my ($exit) = @_;
2413 2832
2414 my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416 # all this does is basically replace the /! path by 2833 # all this does is basically replace the /! path by
2417 # a new random map path (?random/...) with a seed 2834 # a new random map path (?random/...) with a seed
2418 # that depends on the exit object 2835 # that depends on the exit object
2419 2836
2420 my $rmp = parse_random_map_params $exit->msg; 2837 my $rmp = parse_random_map_params $exit->msg;
2422 if ($exit->map) { 2839 if ($exit->map) {
2423 $rmp->{region} = $exit->region->name; 2840 $rmp->{region} = $exit->region->name;
2424 $rmp->{origin_map} = $exit->map->path; 2841 $rmp->{origin_map} = $exit->map->path;
2425 $rmp->{origin_x} = $exit->x; 2842 $rmp->{origin_x} = $exit->x;
2426 $rmp->{origin_y} = $exit->y; 2843 $rmp->{origin_y} = $exit->y;
2844
2845 $exit->map->touch;
2427 } 2846 }
2428 2847
2429 $rmp->{random_seed} ||= $exit->random_seed; 2848 $rmp->{random_seed} ||= $exit->random_seed;
2430 2849
2431 my $data = cf::to_json $rmp; 2850 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432 my $md5 = Digest::MD5::md5_hex $data; 2851 my $md5 = Digest::MD5::md5_hex $data;
2433 my $meta = "$RANDOMDIR/$md5.meta"; 2852 my $meta = "$RANDOMDIR/$md5.meta";
2434 2853
2435 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2854 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436 aio_write $fh, 0, (length $data), $data, 0; 2855 aio_write $fh, 0, (length $data), $data, 0;
2437 undef $fh; 2856 undef $fh;
2438 aio_rename "$meta~", $meta; 2857 aio_rename "$meta~", $meta;
2439 2858
2859 my $slaying = "?random/$md5";
2860
2861 if ($exit->valid) {
2440 $exit->slaying ("?random/$md5"); 2862 $exit->slaying ("?random/$md5");
2441 $exit->msg (undef); 2863 $exit->msg (undef);
2864 }
2442 } 2865 }
2443} 2866}
2444 2867
2445sub cf::object::player::enter_exit { 2868sub cf::object::player::enter_exit {
2446 my ($self, $exit) = @_; 2869 my ($self, $exit) = @_;
2447 2870
2448 return unless $self->type == cf::PLAYER; 2871 return unless $self->type == cf::PLAYER;
2449 2872
2450 if ($exit->slaying eq "/!") {
2451 #TODO: this should de-fi-ni-te-ly not be a sync-job
2452 # the problem is that $exit might not survive long enough
2453 # so it needs to be done right now, right here
2454 cf::sync_job { prepare_random_map $exit };
2455 }
2456
2457 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458 my $hp = $exit->stats->hp;
2459 my $sp = $exit->stats->sp;
2460
2461 $self->enter_link; 2873 $self->enter_link;
2462 2874
2463 # if exit is damned, update players death & WoR home-position
2464 $self->contr->savebed ($slaying, $hp, $sp)
2465 if $exit->flag (FLAG_DAMNED);
2466
2467 (async { 2875 (async {
2468 $self->deactivate_recursive; # just to be sure 2876 $Coro::current->{desc} = "enter_exit";
2877
2469 unless (eval { 2878 unless (eval {
2879 $self->deactivate_recursive; # just to be sure
2880
2881 # random map handling
2882 {
2883 my $guard = cf::lock_acquire "exit_prepare:$exit";
2884
2885 prepare_random_map $exit
2886 if $exit->slaying eq "/!";
2887 }
2888
2889 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2890 my $x = $exit->stats->hp;
2891 my $y = $exit->stats->sp;
2892
2470 $self->goto ($slaying, $hp, $sp); 2893 $self->goto ($map, $x, $y);
2471 2894
2895 # if exit is damned, update players death & WoR home-position
2896 $self->contr->savebed ($map, $x, $y)
2897 if $exit->flag (cf::FLAG_DAMNED);
2898
2472 1; 2899 1
2473 }) { 2900 }) {
2474 $self->message ("Something went wrong deep within the crossfire server. " 2901 $self->message ("Something went wrong deep within the deliantra server. "
2475 . "I'll try to bring you back to the map you were before. " 2902 . "I'll try to bring you back to the map you were before. "
2476 . "Please report this to the dungeon master!", 2903 . "Please report this to the dungeon master!",
2477 cf::NDI_UNIQUE | cf::NDI_RED); 2904 cf::NDI_UNIQUE | cf::NDI_RED);
2478 2905
2479 warn "ERROR in enter_exit: $@"; 2906 error "ERROR in enter_exit: $@";
2480 $self->leave_link; 2907 $self->leave_link;
2481 } 2908 }
2482 })->prio (1); 2909 })->prio (1);
2483} 2910}
2484 2911
2496sub cf::client::send_drawinfo { 2923sub cf::client::send_drawinfo {
2497 my ($self, $text, $flags) = @_; 2924 my ($self, $text, $flags) = @_;
2498 2925
2499 utf8::encode $text; 2926 utf8::encode $text;
2500 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2927 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2928}
2929
2930=item $client->send_big_packet ($pkt)
2931
2932Like C<send_packet>, but tries to compress large packets, and fragments
2933them as required.
2934
2935=cut
2936
2937our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2938
2939sub cf::client::send_big_packet {
2940 my ($self, $pkt) = @_;
2941
2942 # try lzf for large packets
2943 $pkt = "lzf " . Compress::LZF::compress $pkt
2944 if 1024 <= length $pkt and $self->{can_lzf};
2945
2946 # split very large packets
2947 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2948 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2949 $pkt = "frag";
2950 }
2951
2952 $self->send_packet ($pkt);
2501} 2953}
2502 2954
2503=item $client->send_msg ($channel, $msg, $color, [extra...]) 2955=item $client->send_msg ($channel, $msg, $color, [extra...])
2504 2956
2505Send a drawinfo or msg packet to the client, formatting the msg for the 2957Send a drawinfo or msg packet to the client, formatting the msg for the
2507the message, with C<log> being the default. If C<$color> is negative, suppress 2959the message, with C<log> being the default. If C<$color> is negative, suppress
2508the message unless the client supports the msg packet. 2960the message unless the client supports the msg packet.
2509 2961
2510=cut 2962=cut
2511 2963
2964# non-persistent channels (usually the info channel)
2965our %CHANNEL = (
2966 "c/motd" => {
2967 id => "infobox",
2968 title => "MOTD",
2969 reply => undef,
2970 tooltip => "The message of the day",
2971 },
2972 "c/identify" => {
2973 id => "infobox",
2974 title => "Identify",
2975 reply => undef,
2976 tooltip => "Items recently identified",
2977 },
2978 "c/examine" => {
2979 id => "infobox",
2980 title => "Examine",
2981 reply => undef,
2982 tooltip => "Signs and other items you examined",
2983 },
2984 "c/shopinfo" => {
2985 id => "infobox",
2986 title => "Shop Info",
2987 reply => undef,
2988 tooltip => "What your bargaining skill tells you about the shop",
2989 },
2990 "c/book" => {
2991 id => "infobox",
2992 title => "Book",
2993 reply => undef,
2994 tooltip => "The contents of a note or book",
2995 },
2996 "c/lookat" => {
2997 id => "infobox",
2998 title => "Look",
2999 reply => undef,
3000 tooltip => "What you saw there",
3001 },
3002 "c/who" => {
3003 id => "infobox",
3004 title => "Players",
3005 reply => undef,
3006 tooltip => "Shows players who are currently online",
3007 },
3008 "c/body" => {
3009 id => "infobox",
3010 title => "Body Parts",
3011 reply => undef,
3012 tooltip => "Shows which body parts you posess and are available",
3013 },
3014 "c/statistics" => {
3015 id => "infobox",
3016 title => "Statistics",
3017 reply => undef,
3018 tooltip => "Shows your primary statistics",
3019 },
3020 "c/skills" => {
3021 id => "infobox",
3022 title => "Skills",
3023 reply => undef,
3024 tooltip => "Shows your experience per skill and item power",
3025 },
3026 "c/shopitems" => {
3027 id => "infobox",
3028 title => "Shop Items",
3029 reply => undef,
3030 tooltip => "Shows the items currently for sale in this shop",
3031 },
3032 "c/resistances" => {
3033 id => "infobox",
3034 title => "Resistances",
3035 reply => undef,
3036 tooltip => "Shows your resistances",
3037 },
3038 "c/pets" => {
3039 id => "infobox",
3040 title => "Pets",
3041 reply => undef,
3042 tooltip => "Shows information abotu your pets/a specific pet",
3043 },
3044 "c/perceiveself" => {
3045 id => "infobox",
3046 title => "Perceive Self",
3047 reply => undef,
3048 tooltip => "You gained detailed knowledge about yourself",
3049 },
3050 "c/uptime" => {
3051 id => "infobox",
3052 title => "Uptime",
3053 reply => undef,
3054 tooltip => "How long the server has been running since last restart",
3055 },
3056 "c/mapinfo" => {
3057 id => "infobox",
3058 title => "Map Info",
3059 reply => undef,
3060 tooltip => "Information related to the maps",
3061 },
3062 "c/party" => {
3063 id => "party",
3064 title => "Party",
3065 reply => "gsay ",
3066 tooltip => "Messages and chat related to your party",
3067 },
3068 "c/death" => {
3069 id => "death",
3070 title => "Death",
3071 reply => undef,
3072 tooltip => "Reason for and more info about your most recent death",
3073 },
3074 "c/say" => $SAY_CHANNEL,
3075 "c/chat" => $CHAT_CHANNEL,
3076);
3077
2512sub cf::client::send_msg { 3078sub cf::client::send_msg {
2513 my ($self, $channel, $msg, $color, @extra) = @_; 3079 my ($self, $channel, $msg, $color, @extra) = @_;
2514 3080
2515 $msg = $self->pl->expand_cfpod ($msg); 3081 $msg = $self->pl->expand_cfpod ($msg)
3082 unless $color & cf::NDI_VERBATIM;
2516 3083
2517 $color &= ~cf::NDI_UNIQUE; # just in case... 3084 $color &= cf::NDI_CLIENT_MASK; # just in case...
2518 3085
3086 # check predefined channels, for the benefit of C
3087 if ($CHANNEL{$channel}) {
3088 $channel = $CHANNEL{$channel};
3089
3090 $self->ext_msg (channel_info => $channel);
3091 $channel = $channel->{id};
3092
2519 if (ref $channel) { 3093 } elsif (ref $channel) {
2520 # send meta info to client, if not yet sent 3094 # send meta info to client, if not yet sent
2521 unless (exists $self->{channel}{$channel->{id}}) { 3095 unless (exists $self->{channel}{$channel->{id}}) {
2522 $self->{channel}{$channel->{id}} = $channel; 3096 $self->{channel}{$channel->{id}} = $channel;
2523 $self->ext_msg (channel_info => %$channel); 3097 $self->ext_msg (channel_info => $channel);
2524 } 3098 }
2525 3099
2526 $channel = $channel->{id}; 3100 $channel = $channel->{id};
2527 } 3101 }
2528 3102
2529 return unless @extra || length $msg; 3103 return unless @extra || length $msg;
2530 3104
2531 if ($self->can_msg) { 3105 # default colour, mask it out
2532 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra])); 3106 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533 } else { 3107 if $color & cf::NDI_DEF;
2534 # replace some tags by gcfclient-compatible ones
2535 for ($msg) {
2536 1 while
2537 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542 }
2543 3108
2544 if ($color >= 0) { 3109 my $pkt = "msg "
2545 if (0 && $msg =~ /\[/) { 3110 . $self->{json_coder}->encode (
2546 $self->send_packet ("drawextinfo $color 4 0 $msg") 3111 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547 } else { 3112 );
2548 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g; 3113
2549 $self->send_packet ("drawinfo $color $msg") 3114 $self->send_big_packet ($pkt);
2550 }
2551 }
2552 }
2553} 3115}
2554 3116
2555=item $client->ext_msg ($type, @msg) 3117=item $client->ext_msg ($type, @msg)
2556 3118
2557Sends an ext event to the client. 3119Sends an ext event to the client.
2559=cut 3121=cut
2560 3122
2561sub cf::client::ext_msg($$@) { 3123sub cf::client::ext_msg($$@) {
2562 my ($self, $type, @msg) = @_; 3124 my ($self, $type, @msg) = @_;
2563 3125
2564 my $extcmd = $self->extcmd;
2565
2566 if ($extcmd == 2) { 3126 if ($self->extcmd == 2) {
2567 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 3127 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568 } elsif ($extcmd == 1) { # TODO: remove 3128 } elsif ($self->extcmd == 1) { # TODO: remove
2569 push @msg, msgtype => "event_$type"; 3129 push @msg, msgtype => "event_$type";
2570 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 3130 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3131 }
3132}
3133
3134=item $client->ext_reply ($msgid, @msg)
3135
3136Sends an ext reply to the client.
3137
3138=cut
3139
3140sub cf::client::ext_reply($$@) {
3141 my ($self, $id, @msg) = @_;
3142
3143 if ($self->extcmd == 2) {
3144 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3145 } elsif ($self->extcmd == 1) {
3146 #TODO: version 1, remove
3147 unshift @msg, msgtype => "reply", msgid => $id;
3148 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571 } 3149 }
2572} 3150}
2573 3151
2574=item $success = $client->query ($flags, "text", \&cb) 3152=item $success = $client->query ($flags, "text", \&cb)
2575 3153
2636 my ($type, $reply, @payload) = 3214 my ($type, $reply, @payload) =
2637 "ARRAY" eq ref $msg 3215 "ARRAY" eq ref $msg
2638 ? @$msg 3216 ? @$msg
2639 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 3217 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640 3218
3219 my @reply;
3220
2641 if (my $cb = $EXTICMD{$type}) { 3221 if (my $cb = $EXTICMD{$type}) {
2642 my @reply = $cb->($ns, @payload); 3222 @reply = $cb->($ns, @payload);
2643
2644 $ns->ext_reply ($reply, @reply)
2645 if $reply;
2646 } 3223 }
3224
3225 $ns->ext_reply ($reply, @reply)
3226 if $reply;
3227
2647 } else { 3228 } else {
2648 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3229 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649 } 3230 }
2650 3231
2651 cf::override; 3232 cf::override;
2652 }, 3233 },
2653); 3234);
2673 3254
2674 $coro 3255 $coro
2675} 3256}
2676 3257
2677cf::client->attach ( 3258cf::client->attach (
2678 on_destroy => sub { 3259 on_client_destroy => sub {
2679 my ($ns) = @_; 3260 my ($ns) = @_;
2680 3261
2681 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3262 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682 }, 3263 },
2683); 3264);
2698our $safe = new Safe "safe"; 3279our $safe = new Safe "safe";
2699our $safe_hole = new Safe::Hole; 3280our $safe_hole = new Safe::Hole;
2700 3281
2701$SIG{FPE} = 'IGNORE'; 3282$SIG{FPE} = 'IGNORE';
2702 3283
2703$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3284$safe->permit_only (Opcode::opset qw(
3285 :base_core :base_mem :base_orig :base_math :base_loop
3286 grepstart grepwhile mapstart mapwhile
3287 sort time
3288));
2704 3289
2705# here we export the classes and methods available to script code 3290# here we export the classes and methods available to script code
2706 3291
2707=pod 3292=pod
2708 3293
2709The following functions and methods are available within a safe environment: 3294The following functions and methods are available within a safe environment:
2710 3295
2711 cf::object 3296 cf::object
2712 contr pay_amount pay_player map x y force_find force_add 3297 contr pay_amount pay_player map x y force_find force_add destroy
2713 insert remove 3298 insert remove name archname title slaying race decrease split
3299 value
2714 3300
2715 cf::object::player 3301 cf::object::player
2716 player 3302 player
2717 3303
2718 cf::player 3304 cf::player
2723 3309
2724=cut 3310=cut
2725 3311
2726for ( 3312for (
2727 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3313 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728 insert remove)], 3314 insert remove inv nrof name archname title slaying race
3315 decrease split destroy change_exp value msg lore send_msg)],
2729 ["cf::object::player" => qw(player)], 3316 ["cf::object::player" => qw(player)],
2730 ["cf::player" => qw(peaceful)], 3317 ["cf::player" => qw(peaceful send_msg)],
2731 ["cf::map" => qw(trigger)], 3318 ["cf::map" => qw(trigger)],
2732) { 3319) {
2733 no strict 'refs';
2734 my ($pkg, @funs) = @$_; 3320 my ($pkg, @funs) = @$_;
2735 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3321 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736 for @funs; 3322 for @funs;
2737} 3323}
2738 3324
2753 3339
2754 my $qcode = $code; 3340 my $qcode = $code;
2755 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3341 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2756 $qcode =~ s/\n/\\n/g; 3342 $qcode =~ s/\n/\\n/g;
2757 3343
3344 %vars = (_dummy => 0) unless %vars;
3345
3346 my @res;
2758 local $_; 3347 local $_;
2759 local @safe::cf::_safe_eval_args = values %vars;
2760 3348
2761 my $eval = 3349 my $eval =
2762 "do {\n" 3350 "do {\n"
2763 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3351 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764 . "#line 0 \"{$qcode}\"\n" 3352 . "#line 0 \"{$qcode}\"\n"
2765 . $code 3353 . $code
2766 . "\n}" 3354 . "\n}"
2767 ; 3355 ;
2768 3356
3357 if ($CFG{safe_eval}) {
2769 sub_generation_inc; 3358 sub_generation_inc;
3359 local @safe::cf::_safe_eval_args = values %vars;
2770 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3360 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771 sub_generation_inc; 3361 sub_generation_inc;
3362 } else {
3363 local @cf::_safe_eval_args = values %vars;
3364 @res = wantarray ? eval eval : scalar eval $eval;
3365 }
2772 3366
2773 if ($@) { 3367 if ($@) {
2774 warn "$@"; 3368 warn "$@",
2775 warn "while executing safe code '$code'\n"; 3369 "while executing safe code '$code'\n",
2776 warn "with arguments " . (join " ", %vars) . "\n"; 3370 "with arguments " . (join " ", %vars) . "\n";
2777 } 3371 }
2778 3372
2779 wantarray ? @res : $res[0] 3373 wantarray ? @res : $res[0]
2780} 3374}
2781 3375
2795=cut 3389=cut
2796 3390
2797sub register_script_function { 3391sub register_script_function {
2798 my ($fun, $cb) = @_; 3392 my ($fun, $cb) = @_;
2799 3393
2800 no strict 'refs'; 3394 $fun = "safe::$fun" if $CFG{safe_eval};
2801 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3395 *$fun = $safe_hole->wrap ($cb);
2802} 3396}
2803 3397
2804=back 3398=back
2805 3399
2806=cut 3400=cut
2809# the server's init and main functions 3403# the server's init and main functions
2810 3404
2811sub load_facedata($) { 3405sub load_facedata($) {
2812 my ($path) = @_; 3406 my ($path) = @_;
2813 3407
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
3412 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3413
2814 warn "loading facedata from $path\n"; 3414 trace "loading facedata from $path\n";
2815 3415
2816 my $facedata;
2817 0 < aio_load $path, $facedata 3416 0 < aio_load $path, my $facedata
2818 or die "$path: $!"; 3417 or die "$path: $!";
2819 3418
2820 $facedata = Coro::Storable::thaw $facedata; 3419 $facedata = Coro::Storable::thaw $facedata;
2821 3420
2822 $facedata->{version} == 2 3421 $facedata->{version} == 2
2823 or cf::cleanup "$path: version mismatch, cannot proceed."; 3422 or cf::cleanup "$path: version mismatch, cannot proceed.";
2824 3423
3424 # patch in the exptable
3425 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3426 $facedata->{resource}{"res/exp_table"} = {
3427 type => FT_RSRC,
3428 data => $exp_table,
3429 hash => (Digest::MD5::md5 $exp_table),
3430 };
3431 cf::cede_to_tick;
3432
2825 { 3433 {
2826 my $faces = $facedata->{faceinfo}; 3434 my $faces = $facedata->{faceinfo};
2827 3435
2828 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2829 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3437 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3438
2830 cf::face::set_visibility $idx, $info->{visibility}; 3439 cf::face::set_visibility $idx, $info->{visibility};
2831 cf::face::set_magicmap $idx, $info->{magicmap}; 3440 cf::face::set_magicmap $idx, $info->{magicmap};
2832 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3441 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3442 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2834 3443
2835 cf::cede_to_tick; 3444 cf::cede_to_tick;
2836 } 3445 }
2837 3446
2838 while (my ($face, $info) = each %$faces) { 3447 while (my ($face, $info) = each %$faces) {
2839 next unless $info->{smooth}; 3448 next unless $info->{smooth};
3449
2840 my $idx = cf::face::find $face 3450 my $idx = cf::face::find $face
2841 or next; 3451 or next;
3452
2842 if (my $smooth = cf::face::find $info->{smooth}) { 3453 if (my $smooth = cf::face::find $info->{smooth}) {
2843 cf::face::set_smooth $idx, $smooth; 3454 cf::face::set_smooth $idx, $smooth;
2844 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3455 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845 } else { 3456 } else {
2846 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3457 error "smooth face '$info->{smooth}' not found for face '$face'";
2847 } 3458 }
2848 3459
2849 cf::cede_to_tick; 3460 cf::cede_to_tick;
2850 } 3461 }
2851 } 3462 }
2860 3471
2861 cf::anim::invalidate_all; # d'oh 3472 cf::anim::invalidate_all; # d'oh
2862 } 3473 }
2863 3474
2864 { 3475 {
2865 # TODO: for gcfclient pleasure, we should give resources
2866 # that gcfclient doesn't grok a >10000 face index.
2867 my $res = $facedata->{resource}; 3476 my $res = $facedata->{resource};
2868 my $enc = JSON::XS->new->utf8->canonical;
2869 3477
2870 while (my ($name, $info) = each %$res) { 3478 while (my ($name, $info) = each %$res) {
2871 my $meta = $enc->encode ({ 3479 if (defined $info->{type}) {
2872 name => $name,
2873 type => $info->{type},
2874 copyright => $info->{copyright}, #TODO#
2875 });
2876
2877 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3480 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2878 3481
2879 if ($name =~ /\.(?:jpg|png)$/) {
2880 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack 3482 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2881 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack 3483 cf::face::set_type $idx, $info->{type};
2882 } else { 3484 } else {
2883 my $data = pack "(w/a*)*", $meta, $info->{data}; 3485 $RESOURCE{$name} = $info; # unused
2884 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886 cf::face::set_type $idx, 1;
2887 cf::face::set_data $idx, 0, $data, $chk;
2888 } 3486 }
2889 3487
2890 cf::cede_to_tick; 3488 cf::cede_to_tick;
2891 } 3489 }
2892 } 3490 }
2893 3491
3492 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3493
2894 1 3494 1
2895} 3495}
2896 3496
3497register_exticmd fx_want => sub {
3498 my ($ns, $want) = @_;
3499
3500 while (my ($k, $v) = each %$want) {
3501 $ns->fx_want ($k, $v);
3502 }
3503};
3504
3505sub load_resource_file($) {
3506 my $guard = lock_acquire "load_resource_file";
3507
3508 my $status = load_resource_file_ $_[0];
3509 get_slot 0.1, 100;
3510 cf::arch::commit_load;
3511
3512 $status
3513}
3514
2897sub reload_regions { 3515sub reload_regions {
3516 # HACK to clear player env face cache, we need some signal framework
3517 # for this (global event?)
3518 %ext::player_env::MUSIC_FACE_CACHE = ();
3519
2898 load_resource_file "$MAPDIR/regions" 3520 load_resource_file "$MAPDIR/regions"
2899 or die "unable to load regions file\n"; 3521 or die "unable to load regions file\n";
2900 3522
2901 for (cf::region::list) { 3523 for (cf::region::list) {
2902 $_->{match} = qr/$_->{match}/ 3524 $_->{match} = qr/$_->{match}/
2910} 3532}
2911 3533
2912sub reload_archetypes { 3534sub reload_archetypes {
2913 load_resource_file "$DATADIR/archetypes" 3535 load_resource_file "$DATADIR/archetypes"
2914 or die "unable to load archetypes\n"; 3536 or die "unable to load archetypes\n";
2915 #d# NEED to laod twice to resolve forward references
2916 # this really needs to be done in an extra post-pass
2917 # (which needs to be synchronous, so solve it differently)
2918 load_resource_file "$DATADIR/archetypes"
2919 or die "unable to load archetypes\n";
2920} 3537}
2921 3538
2922sub reload_treasures { 3539sub reload_treasures {
2923 load_resource_file "$DATADIR/treasures" 3540 load_resource_file "$DATADIR/treasures"
2924 or die "unable to load treasurelists\n"; 3541 or die "unable to load treasurelists\n";
2925} 3542}
2926 3543
3544sub reload_sound {
3545 trace "loading sound config from $DATADIR/sound\n";
3546
3547 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3548 or die "$DATADIR/sound $!";
3549
3550 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3551
3552 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3553 my $sound = $soundconf->{compat}[$_]
3554 or next;
3555
3556 my $face = cf::face::find "sound/$sound->[1]";
3557 cf::sound::set $sound->[0] => $face;
3558 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3559 }
3560
3561 while (my ($k, $v) = each %{$soundconf->{event}}) {
3562 my $face = cf::face::find "sound/$v";
3563 cf::sound::set $k => $face;
3564 }
3565}
3566
2927sub reload_resources { 3567sub reload_resources {
2928 warn "reloading resource files...\n"; 3568 trace "reloading resource files...\n";
2929 3569
3570 reload_exp_table;
3571 reload_materials;
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
2930 reload_regions; 3575 reload_regions;
2931 reload_facedata;
2932 #reload_archetypes;#d#
2933 reload_archetypes;
2934 reload_treasures; 3576 reload_treasures;
2935 3577
2936 warn "finished reloading resource files\n"; 3578 trace "finished reloading resource files\n";
2937} 3579}
2938 3580
2939sub init { 3581sub reload_config {
2940 reload_resources; 3582 trace "reloading config file...\n";
2941}
2942 3583
2943sub cfg_load { 3584 0 < aio_load "$CONFDIR/config", my $config
2944 open my $fh, "<:utf8", "$CONFDIR/config" 3585 or die "$CONFDIR/config: $!";
2945 or return;
2946 3586
2947 local $/; 3587 utf8::decode $config;
2948 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = yaml_load $config;
2949 3589
2950 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2951 3591
2952 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2953 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2954 3594
2955 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
2959 }; 3599 };
2960 warn $@ if $@; 3600 warn $@ if $@;
2961 } 3601 }
2962} 3602}
2963 3603
3604sub pidfile() {
3605 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3606 or die "$PIDFILE: $!";
3607 flock $fh, &Fcntl::LOCK_EX
3608 or die "$PIDFILE: flock: $!";
3609 $fh
3610}
3611
3612# make sure only one server instance is running at any one time
3613sub atomic {
3614 my $fh = pidfile;
3615
3616 my $pid = <$fh>;
3617 kill 9, $pid if $pid > 0;
3618
3619 seek $fh, 0, 0;
3620 print $fh $$;
3621}
3622
3623sub main_loop {
3624 trace "EV::loop starting\n";
3625 if (1) {
3626 EV::loop;
3627 }
3628 trace "EV::loop returned\n";
3629 goto &main_loop unless $REALLY_UNLOOP;
3630}
3631
2964sub main { 3632sub main {
3633 cf::init_globals; # initialise logging
3634
3635 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3636 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3637 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3638 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3639
3640 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3641
2965 # we must not ever block the main coroutine 3642 # we must not ever block the main coroutine
2966 local $Coro::idle = sub { 3643 local $Coro::idle = sub {
2967 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3644 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2968 (async { 3645 (async {
2969 Event::one_event; 3646 $Coro::current->{desc} = "IDLE BUG HANDLER";
3647 EV::loop EV::LOOP_ONESHOT;
2970 })->prio (Coro::PRIO_MAX); 3648 })->prio (Coro::PRIO_MAX);
2971 }; 3649 };
2972 3650
2973 cfg_load; 3651 evthread_start IO::AIO::poll_fileno;
3652
3653 cf::sync_job {
3654 cf::incloader::init ();
3655
3656 cf::init_anim;
3657 cf::init_attackmess;
3658 cf::init_dynamic;
3659
3660 cf::load_settings;
3661
3662 reload_resources;
3663 reload_config;
2974 db_init; 3664 db_init;
3665
3666 cf::init_uuid;
3667 cf::init_signals;
3668 cf::init_skills;
3669
3670 cf::init_beforeplay;
3671
3672 atomic;
3673
2975 load_extensions; 3674 load_extensions;
2976 3675
2977 $TICK_WATCHER->start; 3676 utime time, time, $RUNTIMEFILE;
2978 Event::loop; 3677
3678 # no (long-running) fork's whatsoever before this point(!)
3679 use POSIX ();
3680 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3681
3682 cf::_post_init 0;
3683 };
3684
3685 cf::object::thawer::errors_are_fatal 0;
3686 info "parse errors in files are no longer fatal from this point on.\n";
3687
3688 my $free_main; $free_main = EV::idle sub {
3689 undef $free_main;
3690 undef &main; # free gobs of memory :)
3691 };
3692
3693 goto &main_loop;
2979} 3694}
2980 3695
2981############################################################################# 3696#############################################################################
2982# initialisation and cleanup 3697# initialisation and cleanup
2983 3698
2984# install some emergency cleanup handlers 3699# install some emergency cleanup handlers
2985BEGIN { 3700BEGIN {
3701 our %SIGWATCHER = ();
2986 for my $signal (qw(INT HUP TERM)) { 3702 for my $signal (qw(INT HUP TERM)) {
2987 Event->signal ( 3703 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2988 reentrant => 0,
2989 data => WF_AUTOCANCEL,
2990 signal => $signal,
2991 prio => 0,
2992 cb => sub {
2993 cf::cleanup "SIG$signal"; 3704 cf::cleanup "SIG$signal";
2994 },
2995 ); 3705 };
2996 } 3706 }
2997} 3707}
2998 3708
2999sub write_runtime { 3709sub write_runtime_sync {
3000 my $runtime = "$LOCALDIR/runtime"; 3710 my $t0 = AE::time;
3001 3711
3002 # first touch the runtime file to show we are still running: 3712 # first touch the runtime file to show we are still running:
3003 # the fsync below can take a very very long time. 3713 # the fsync below can take a very very long time.
3004 3714
3005 IO::AIO::aio_utime $runtime, undef, undef; 3715 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3006 3716
3007 my $guard = cf::lock_acquire "write_runtime"; 3717 my $guard = cf::lock_acquire "write_runtime";
3008 3718
3009 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3719 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3010 or return; 3720 or return;
3011 3721
3012 my $value = $cf::RUNTIME + 90 + 10; 3722 my $value = $cf::RUNTIME + 90 + 10;
3013 # 10 is the runtime save interval, for a monotonic clock 3723 # 10 is the runtime save interval, for a monotonic clock
3014 # 60 allows for the watchdog to kill the server. 3724 # 60 allows for the watchdog to kill the server.
3024 aio_utime $fh, undef, undef; 3734 aio_utime $fh, undef, undef;
3025 3735
3026 close $fh 3736 close $fh
3027 or return; 3737 or return;
3028 3738
3029 aio_rename "$runtime~", $runtime 3739 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3030 and return; 3740 and return;
3031 3741
3032 warn "runtime file written.\n"; 3742 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3033 3743
3034 1 3744 1
3745}
3746
3747our $uuid_lock;
3748our $uuid_skip;
3749
3750sub write_uuid_sync($) {
3751 $uuid_skip ||= $_[0];
3752
3753 return if $uuid_lock;
3754 local $uuid_lock = 1;
3755
3756 my $uuid = "$LOCALDIR/uuid";
3757
3758 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3759 or return;
3760
3761 my $value = uuid_seq uuid_cur;
3762
3763 unless ($value) {
3764 info "cowardly refusing to write zero uuid value!\n";
3765 return;
3766 }
3767
3768 my $value = uuid_str $value + $uuid_skip;
3769 $uuid_skip = 0;
3770
3771 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3772 and return;
3773
3774 # always fsync - this file is important
3775 aio_fsync $fh
3776 and return;
3777
3778 close $fh
3779 or return;
3780
3781 aio_rename "$uuid~", $uuid
3782 and return;
3783
3784 trace "uuid file written ($value).\n";
3785
3786 1
3787
3788}
3789
3790sub write_uuid($$) {
3791 my ($skip, $sync) = @_;
3792
3793 $sync ? write_uuid_sync $skip
3794 : async { write_uuid_sync $skip };
3035} 3795}
3036 3796
3037sub emergency_save() { 3797sub emergency_save() {
3038 my $freeze_guard = cf::freeze_mainloop; 3798 my $freeze_guard = cf::freeze_mainloop;
3039 3799
3040 warn "enter emergency perl save\n"; 3800 info "emergency_perl_save: enter\n";
3801
3802 # this is a trade-off: we want to be very quick here, so
3803 # save all maps without fsync, and later call a global sync
3804 # (which in turn might be very very slow)
3805 local $USE_FSYNC = 0;
3041 3806
3042 cf::sync_job { 3807 cf::sync_job {
3808 cf::write_runtime_sync; # external watchdog should not bark
3809
3043 # use a peculiar iteration method to avoid tripping on perl 3810 # use a peculiar iteration method to avoid tripping on perl
3044 # refcount bugs in for. also avoids problems with players 3811 # refcount bugs in for. also avoids problems with players
3045 # and maps saved/destroyed asynchronously. 3812 # and maps saved/destroyed asynchronously.
3046 warn "begin emergency player save\n"; 3813 info "emergency_perl_save: begin player save\n";
3047 for my $login (keys %cf::PLAYER) { 3814 for my $login (keys %cf::PLAYER) {
3048 my $pl = $cf::PLAYER{$login} or next; 3815 my $pl = $cf::PLAYER{$login} or next;
3049 $pl->valid or next; 3816 $pl->valid or next;
3817 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3050 $pl->save; 3818 $pl->save;
3051 } 3819 }
3052 warn "end emergency player save\n"; 3820 info "emergency_perl_save: end player save\n";
3053 3821
3054 warn "begin emergency map save\n"; 3822 cf::write_runtime_sync; # external watchdog should not bark
3823
3824 info "emergency_perl_save: begin map save\n";
3055 for my $path (keys %cf::MAP) { 3825 for my $path (keys %cf::MAP) {
3056 my $map = $cf::MAP{$path} or next; 3826 my $map = $cf::MAP{$path} or next;
3057 $map->valid or next; 3827 $map->valid or next;
3058 $map->save; 3828 $map->save;
3059 } 3829 }
3060 warn "end emergency map save\n"; 3830 info "emergency_perl_save: end map save\n";
3061 3831
3062 warn "begin emergency database checkpoint\n"; 3832 cf::write_runtime_sync; # external watchdog should not bark
3833
3834 info "emergency_perl_save: begin database checkpoint\n";
3063 BDB::db_env_txn_checkpoint $DB_ENV; 3835 BDB::db_env_txn_checkpoint $DB_ENV;
3064 warn "end emergency database checkpoint\n"; 3836 info "emergency_perl_save: end database checkpoint\n";
3837
3838 info "emergency_perl_save: begin write uuid\n";
3839 write_uuid_sync 1;
3840 info "emergency_perl_save: end write uuid\n";
3841
3842 cf::write_runtime_sync; # external watchdog should not bark
3843
3844 trace "emergency_perl_save: syncing database to disk";
3845 BDB::db_env_txn_checkpoint $DB_ENV;
3846
3847 info "emergency_perl_save: starting sync\n";
3848 IO::AIO::aio_sync sub {
3849 info "emergency_perl_save: finished sync\n";
3850 };
3851
3852 cf::write_runtime_sync; # external watchdog should not bark
3853
3854 trace "emergency_perl_save: flushing outstanding aio requests";
3855 while (IO::AIO::nreqs || BDB::nreqs) {
3856 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3857 }
3858
3859 cf::write_runtime_sync; # external watchdog should not bark
3065 }; 3860 };
3066 3861
3067 warn "leave emergency perl save\n"; 3862 info "emergency_perl_save: leave\n";
3068} 3863}
3069 3864
3070sub post_cleanup { 3865sub post_cleanup {
3071 my ($make_core) = @_; 3866 my ($make_core) = @_;
3072 3867
3868 IO::AIO::flush;
3869
3073 warn Carp::longmess "post_cleanup backtrace" 3870 error Carp::longmess "post_cleanup backtrace"
3074 if $make_core; 3871 if $make_core;
3872
3873 my $fh = pidfile;
3874 unlink $PIDFILE if <$fh> == $$;
3875}
3876
3877# a safer delete_package, copied from Symbol
3878sub clear_package($) {
3879 my $pkg = shift;
3880
3881 # expand to full symbol table name if needed
3882 unless ($pkg =~ /^main::.*::$/) {
3883 $pkg = "main$pkg" if $pkg =~ /^::/;
3884 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3885 $pkg .= '::' unless $pkg =~ /::$/;
3886 }
3887
3888 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3889 my $stem_symtab = *{$stem}{HASH};
3890
3891 defined $stem_symtab and exists $stem_symtab->{$leaf}
3892 or return;
3893
3894 # clear all symbols
3895 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3896 for my $name (keys %$leaf_symtab) {
3897 _gv_clear *{"$pkg$name"};
3898# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3899 }
3075} 3900}
3076 3901
3077sub do_reload_perl() { 3902sub do_reload_perl() {
3078 # can/must only be called in main 3903 # can/must only be called in main
3079 if ($Coro::current != $Coro::main) { 3904 unless (in_main) {
3080 warn "can only reload from main coroutine"; 3905 error "can only reload from main coroutine";
3081 return; 3906 return;
3082 } 3907 }
3083 3908
3084 warn "reloading..."; 3909 return if $RELOAD++;
3085 3910
3086 warn "entering sync_job"; 3911 my $t1 = AE::time;
3087 3912
3913 while ($RELOAD) {
3914 cf::get_slot 0.1, -1, "reload_perl";
3915 info "perl_reload: reloading...";
3916
3917 trace "perl_reload: entering sync_job";
3918
3088 cf::sync_job { 3919 cf::sync_job {
3089 cf::write_runtime; # external watchdog should not bark
3090 cf::emergency_save; 3920 #cf::emergency_save;
3091 cf::write_runtime; # external watchdog should not bark
3092 3921
3093 warn "syncing database to disk";
3094 BDB::db_env_txn_checkpoint $DB_ENV;
3095
3096 # if anything goes wrong in here, we should simply crash as we already saved
3097
3098 warn "cancelling all WF_AUTOCANCEL watchers";
3099 for (Event::all_watchers) {
3100 $_->cancel if $_->data & WF_AUTOCANCEL;
3101 }
3102
3103 warn "flushing outstanding aio requests";
3104 for (;;) {
3105 BDB::flush;
3106 IO::AIO::flush;
3107 Coro::cede;
3108 last unless IO::AIO::nreqs || BDB::nreqs;
3109 warn "iterate...";
3110 }
3111
3112 ++$RELOAD;
3113
3114 warn "cancelling all extension coros"; 3922 trace "perl_reload: cancelling all extension coros";
3115 $_->cancel for values %EXT_CORO; 3923 $_->cancel for values %EXT_CORO;
3116 %EXT_CORO = (); 3924 %EXT_CORO = ();
3117 3925
3118 warn "removing commands"; 3926 trace "perl_reload: removing commands";
3119 %COMMAND = (); 3927 %COMMAND = ();
3120 3928
3121 warn "removing ext/exti commands"; 3929 trace "perl_reload: removing ext/exti commands";
3122 %EXTCMD = (); 3930 %EXTCMD = ();
3123 %EXTICMD = (); 3931 %EXTICMD = ();
3124 3932
3125 warn "unloading/nuking all extensions"; 3933 trace "perl_reload: unloading/nuking all extensions";
3126 for my $pkg (@EXTS) { 3934 for my $pkg (@EXTS) {
3127 warn "... unloading $pkg"; 3935 trace "... unloading $pkg";
3128 3936
3129 if (my $cb = $pkg->can ("unload")) { 3937 if (my $cb = $pkg->can ("unload")) {
3130 eval { 3938 eval {
3131 $cb->($pkg); 3939 $cb->($pkg);
3132 1 3940 1
3133 } or warn "$pkg unloaded, but with errors: $@"; 3941 } or error "$pkg unloaded, but with errors: $@";
3942 }
3943
3944 trace "... clearing $pkg";
3945 clear_package $pkg;
3134 } 3946 }
3135 3947
3136 warn "... nuking $pkg";
3137 Symbol::delete_package $pkg;
3138 }
3139
3140 warn "unloading all perl modules loaded from $LIBDIR"; 3948 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3141 while (my ($k, $v) = each %INC) { 3949 while (my ($k, $v) = each %INC) {
3142 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3950 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3143 3951
3144 warn "... unloading $k"; 3952 trace "... unloading $k";
3145 delete $INC{$k}; 3953 delete $INC{$k};
3146 3954
3147 $k =~ s/\.pm$//; 3955 $k =~ s/\.pm$//;
3148 $k =~ s/\//::/g; 3956 $k =~ s/\//::/g;
3149 3957
3150 if (my $cb = $k->can ("unload_module")) { 3958 if (my $cb = $k->can ("unload_module")) {
3151 $cb->(); 3959 $cb->();
3960 }
3961
3962 clear_package $k;
3152 } 3963 }
3153 3964
3154 Symbol::delete_package $k;
3155 }
3156
3157 warn "getting rid of safe::, as good as possible"; 3965 trace "perl_reload: getting rid of safe::, as good as possible";
3158 Symbol::delete_package "safe::$_" 3966 clear_package "safe::$_"
3159 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3967 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3160 3968
3161 warn "unloading cf.pm \"a bit\""; 3969 trace "perl_reload: unloading cf.pm \"a bit\"";
3162 delete $INC{"cf.pm"}; 3970 delete $INC{"cf.pm"};
3163 delete $INC{"cf/pod.pm"}; 3971 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3164 3972
3165 # don't, removes xs symbols, too, 3973 # don't, removes xs symbols, too,
3166 # and global variables created in xs 3974 # and global variables created in xs
3167 #Symbol::delete_package __PACKAGE__; 3975 #clear_package __PACKAGE__;
3168 3976
3169 warn "unload completed, starting to reload now"; 3977 info "perl_reload: unload completed, starting to reload now";
3170 3978
3171 warn "reloading cf.pm"; 3979 trace "perl_reload: reloading cf.pm";
3172 require cf; 3980 require cf;
3173 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3981 cf::_connect_to_perl_1;
3174 3982
3175 warn "loading config and database again"; 3983 trace "perl_reload: loading config and database again";
3176 cf::cfg_load; 3984 cf::reload_config;
3177 3985
3178 warn "loading extensions"; 3986 trace "perl_reload: loading extensions";
3179 cf::load_extensions; 3987 cf::load_extensions;
3180 3988
3989 if ($REATTACH_ON_RELOAD) {
3181 warn "reattaching attachments to objects/players"; 3990 trace "perl_reload: reattaching attachments to objects/players";
3182 _global_reattach; # objects, sockets 3991 _global_reattach; # objects, sockets
3183 warn "reattaching attachments to maps"; 3992 trace "perl_reload: reattaching attachments to maps";
3184 reattach $_ for values %MAP; 3993 reattach $_ for values %MAP;
3185 warn "reattaching attachments to players"; 3994 trace "perl_reload: reattaching attachments to players";
3186 reattach $_ for values %PLAYER; 3995 reattach $_ for values %PLAYER;
3996 }
3187 3997
3188 warn "leaving sync_job"; 3998 cf::_post_init 1;
3189 3999
4000 trace "perl_reload: leaving sync_job";
4001
3190 1 4002 1
3191 } or do { 4003 } or do {
3192 warn $@; 4004 error $@;
3193 warn "error while reloading, exiting."; 4005 cf::cleanup "perl_reload: error, exiting.";
3194 exit 1; 4006 };
4007
4008 --$RELOAD;
3195 }; 4009 }
3196 4010
3197 warn "reloaded"; 4011 $t1 = AE::time - $t1;
4012 info "perl_reload: completed in ${t1}s\n";
3198}; 4013};
3199 4014
3200our $RELOAD_WATCHER; # used only during reload 4015our $RELOAD_WATCHER; # used only during reload
3201 4016
3202sub reload_perl() { 4017sub reload_perl() {
3203 # doing reload synchronously and two reloads happen back-to-back, 4018 # doing reload synchronously and two reloads happen back-to-back,
3204 # coro crashes during coro_state_free->destroy here. 4019 # coro crashes during coro_state_free->destroy here.
3205 4020
3206 $RELOAD_WATCHER ||= Event->timer ( 4021 $RELOAD_WATCHER ||= cf::async {
3207 reentrant => 0, 4022 Coro::AIO::aio_wait cache_extensions;
3208 after => 0, 4023
3209 data => WF_AUTOCANCEL, 4024 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3210 cb => sub {
3211 do_reload_perl; 4025 do_reload_perl;
3212 undef $RELOAD_WATCHER; 4026 undef $RELOAD_WATCHER;
3213 }, 4027 };
3214 ); 4028 };
3215} 4029}
3216 4030
3217register_command "reload" => sub { 4031register_command "reload" => sub {
3218 my ($who, $arg) = @_; 4032 my ($who, $arg) = @_;
3219 4033
3220 if ($who->flag (FLAG_WIZ)) { 4034 if ($who->flag (FLAG_WIZ)) {
3221 $who->message ("reloading server."); 4035 $who->message ("reloading server.");
4036 async {
4037 $Coro::current->{desc} = "perl_reload";
3222 async { reload_perl }; 4038 reload_perl;
4039 };
3223 } 4040 }
3224}; 4041};
3225 4042
3226unshift @INC, $LIBDIR; 4043#############################################################################
3227 4044
3228my $bug_warning = 0; 4045my $bug_warning = 0;
3229 4046
3230our @WAIT_FOR_TICK; 4047our @WAIT_FOR_TICK;
3231our @WAIT_FOR_TICK_BEGIN; 4048our @WAIT_FOR_TICK_BEGIN;
3232 4049
3233sub wait_for_tick { 4050sub wait_for_tick() {
3234 return unless $TICK_WATCHER->is_active;
3235 return if $Coro::current == $Coro::main; 4051 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3236 4052
3237 my $signal = new Coro::Signal; 4053 my $signal = new Coro::Signal;
3238 push @WAIT_FOR_TICK, $signal; 4054 push @WAIT_FOR_TICK, $signal;
3239 $signal->wait; 4055 $signal->wait;
3240} 4056}
3241 4057
3242sub wait_for_tick_begin { 4058sub wait_for_tick_begin() {
3243 return unless $TICK_WATCHER->is_active;
3244 return if $Coro::current == $Coro::main; 4059 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3245 4060
3246 my $signal = new Coro::Signal; 4061 my $signal = new Coro::Signal;
3247 push @WAIT_FOR_TICK_BEGIN, $signal; 4062 push @WAIT_FOR_TICK_BEGIN, $signal;
3248 $signal->wait; 4063 $signal->wait;
3249} 4064}
3250 4065
3251 my $min = 1e6;#d# 4066sub tick {
3252 my $avg = 10;
3253$TICK_WATCHER = Event->timer (
3254 reentrant => 0,
3255 parked => 1,
3256 prio => 0,
3257 at => $NEXT_TICK || $TICK,
3258 data => WF_AUTOCANCEL,
3259 cb => sub {
3260 if ($Coro::current != $Coro::main) { 4067 if ($Coro::current != $Coro::main) {
3261 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4068 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3262 unless ++$bug_warning > 10; 4069 unless ++$bug_warning > 10;
3263 return; 4070 return;
3264 } 4071 }
3265 4072
3266 $NOW = $tick_start = Event::time;
3267
3268 cf::server_tick; # one server iteration 4073 cf::server_tick; # one server iteration
3269 4074
3270 0 && sync_job {#d# 4075 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3271 for(1..10) {
3272 my $t = Event::time;
3273 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3274 or die;
3275 4076
3276 $map->width (50); 4077 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3277 $map->height (50); 4078 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3278 $map->alloc; 4079 Coro::async_pool {
3279 $map->_load_objects ("/tmp/x.map", 1); 4080 $Coro::current->{desc} = "runtime saver";
3280 my $t = Event::time - $t; 4081 write_runtime_sync
3281 4082 or error "ERROR: unable to write runtime file: $!";
3282 #next unless $t < 0.0013;#d#
3283 if ($t < $min) {
3284 $min = $t;
3285 }
3286 $avg = $avg * 0.99 + $t * 0.01;
3287 }
3288 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3289 exit 0;
3290 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3291 }; 4083 };
4084 }
3292 4085
3293 $RUNTIME += $TICK;
3294 $NEXT_TICK += $TICK;
3295
3296 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3297 $NEXT_RUNTIME_WRITE = $NOW + 10;
3298 Coro::async_pool {
3299 write_runtime
3300 or warn "ERROR: unable to write runtime file: $!";
3301 };
3302 }
3303
3304# my $AFTER = Event::time;
3305# warn $AFTER - $NOW;#d#
3306
3307 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4086 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3308 $sig->send; 4087 $sig->send;
3309 } 4088 }
3310 while (my $sig = shift @WAIT_FOR_TICK) { 4089 while (my $sig = shift @WAIT_FOR_TICK) {
3311 $sig->send; 4090 $sig->send;
3312 } 4091 }
3313 4092
3314 $NOW = Event::time; 4093 $LOAD = ($NOW - $TICK_START) / $TICK;
3315
3316 # if we are delayed by four ticks or more, skip them all
3317 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3318
3319 $TICK_WATCHER->at ($NEXT_TICK);
3320 $TICK_WATCHER->start;
3321
3322 $LOAD = ($NOW - $tick_start) / $TICK;
3323 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4094 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3324 4095
3325 _post_tick; 4096 if (0) {
3326 4097 if ($NEXT_TICK) {
3327 4098 my $jitter = $TICK_START - $NEXT_TICK;
4099 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4100 debug "jitter $JITTER\n";#d#
4101 }
3328 }, 4102 }
3329); 4103}
3330 4104
3331{ 4105{
3332 BDB::max_poll_time $TICK * 0.1; 4106 # configure BDB
3333 $BDB_POLL_WATCHER = Event->io ( 4107
3334 reentrant => 0,
3335 fd => BDB::poll_fileno,
3336 poll => 'r',
3337 prio => 0,
3338 data => WF_AUTOCANCEL,
3339 cb => \&BDB::poll_cb,
3340 );
3341 BDB::min_parallel 8; 4108 BDB::min_parallel 16;
3342 4109 BDB::max_poll_reqs $TICK * 0.1;
3343 BDB::set_sync_prepare { 4110 $AnyEvent::BDB::WATCHER->priority (1);
3344 my $status;
3345 my $current = $Coro::current;
3346 (
3347 sub {
3348 $status = $!;
3349 $current->ready; undef $current;
3350 },
3351 sub {
3352 Coro::schedule while defined $current;
3353 $! = $status;
3354 },
3355 )
3356 };
3357 4111
3358 unless ($DB_ENV) { 4112 unless ($DB_ENV) {
3359 $DB_ENV = BDB::db_env_create; 4113 $DB_ENV = BDB::db_env_create;
4114 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4115 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4116 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4117 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4118 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3360 4119
3361 cf::sync_job { 4120 cf::sync_job {
3362 eval { 4121 eval {
3363 BDB::db_env_open 4122 BDB::db_env_open
3364 $DB_ENV, 4123 $DB_ENV,
3366 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4125 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3367 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4126 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3368 0666; 4127 0666;
3369 4128
3370 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4129 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3371
3372 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3373 $DB_ENV->set_lk_detect;
3374 }; 4130 };
3375 4131
3376 cf::cleanup "db_env_open(db): $@" if $@; 4132 cf::cleanup "db_env_open(db): $@" if $@;
3377 }; 4133 };
3378 } 4134 }
4135
4136 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4137 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4138 };
4139 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4140 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4141 };
4142 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4143 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4144 };
3379} 4145}
3380 4146
3381{ 4147{
4148 # configure IO::AIO
4149
3382 IO::AIO::min_parallel 8; 4150 IO::AIO::min_parallel 8;
3383
3384 undef $Coro::AIO::WATCHER;
3385 IO::AIO::max_poll_time $TICK * 0.1; 4151 IO::AIO::max_poll_time $TICK * 0.1;
3386 $AIO_POLL_WATCHER = Event->io ( 4152 undef $AnyEvent::AIO::WATCHER;
3387 reentrant => 0,
3388 data => WF_AUTOCANCEL,
3389 fd => IO::AIO::poll_fileno,
3390 poll => 'r',
3391 prio => 6,
3392 cb => \&IO::AIO::poll_cb,
3393 );
3394} 4153}
3395 4154
3396my $_log_backtrace; 4155my $_log_backtrace;
3397 4156
3398sub _log_backtrace { 4157sub _log_backtrace {
3401 $msg =~ s/\n//; 4160 $msg =~ s/\n//;
3402 4161
3403 # limit the # of concurrent backtraces 4162 # limit the # of concurrent backtraces
3404 if ($_log_backtrace < 2) { 4163 if ($_log_backtrace < 2) {
3405 ++$_log_backtrace; 4164 ++$_log_backtrace;
4165 my $perl_bt = Carp::longmess $msg;
3406 async { 4166 async {
4167 $Coro::current->{desc} = "abt $msg";
4168
3407 my @bt = fork_call { 4169 my @bt = fork_call {
3408 @addr = map { sprintf "%x", $_ } @addr; 4170 @addr = map { sprintf "%x", $_ } @addr;
3409 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4171 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3410 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4172 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3411 or die "addr2line: $!"; 4173 or die "addr2line: $!";
3419 } 4181 }
3420 4182
3421 @funcs 4183 @funcs
3422 }; 4184 };
3423 4185
3424 LOG llevInfo, "[ABT] $msg\n"; 4186 LOG llevInfo, "[ABT] $perl_bt\n";
4187 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3425 LOG llevInfo, "[ABT] $_\n" for @bt; 4188 LOG llevInfo, "[ABT] $_\n" for @bt;
3426 --$_log_backtrace; 4189 --$_log_backtrace;
3427 }; 4190 };
3428 } else { 4191 } else {
3429 LOG llevInfo, "[ABT] $msg\n"; 4192 LOG llevInfo, "[ABT] $msg\n";
3430 LOG llevInfo, "[ABT] [suppressed]\n"; 4193 LOG llevInfo, "[ABT] [suppressed]\n";
3431 } 4194 }
3432} 4195}
3433 4196
3434# load additional modules 4197# load additional modules
3435use cf::pod; 4198require "cf/$_.pm" for @EXTRA_MODULES;
4199cf::_connect_to_perl_2;
3436 4200
3437END { cf::emergency_save } 4201END { cf::emergency_save }
3438 4202
34391 42031
3440 4204

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