ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.548 by root, Mon May 10 21:40:22 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
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
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
172=back 258=back
173 259
174=cut 260=cut
175 261
176BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
177 *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 {
178 my $msg = join "", @_; 269 my $msg = join "", @_;
179 270
180 $msg .= "\n" 271 $msg .= "\n"
181 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
182 273
183 $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;
184 275
185 utf8::encode $msg;
186 LOG llevError, $msg; 276 LOG llevWarn, $msg;
187 }; 277};
188} 278
279$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};
189 292
190@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
200for my $pkg (qw( 303for my $pkg (qw(
201 cf::global cf::attachable 304 cf::global cf::attachable
202 cf::object cf::object::player 305 cf::object cf::object::player
203 cf::client cf::player 306 cf::client cf::player
204 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
205 cf::map cf::party cf::region 309 cf::party cf::region
206)) { 310)) {
207 no strict 'refs';
208 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209} 312}
210 313
211$Event::DIED = sub { 314$EV::DIED = sub {
212 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
213}; 316};
214 317
215############################################################################# 318#############################################################################
216 319
217=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
239 $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;
240 $d 343 $d
241 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
242} 345}
243 346
244=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
245 348
246Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
247 350
248=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
249 352
250Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
251 354
252=cut 355=cut
253 356
254our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255 358
256sub to_json ($) { $json_coder->encode ($_[0]) } 359sub encode_json($) { $json_coder->encode ($_[0]) }
257sub 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}
258 387
259=item cf::lock_wait $string 388=item cf::lock_wait $string
260 389
261Wait until the given lock is available. See cf::lock_acquire. 390Wait until the given lock is available. See cf::lock_acquire.
262 391
263=item my $lock = cf::lock_acquire $string 392=item my $lock = cf::lock_acquire $string
264 393
265Wait until the given lock is available and then acquires it and returns 394Wait until the given lock is available and then acquires it and returns
266a Coro::guard object. If the guard object gets destroyed (goes out of scope, 395a L<Guard> object. If the guard object gets destroyed (goes out of scope,
267for example when the coroutine gets canceled), the lock is automatically 396for example when the coroutine gets canceled), the lock is automatically
268returned. 397returned.
269 398
399Locks are *not* recursive, locking from the same coro twice results in a
400deadlocked coro.
401
270Lock names should begin with a unique identifier (for example, cf::map::find 402Lock names should begin with a unique identifier (for example, cf::map::find
271uses map_find and cf::map::load uses map_load). 403uses map_find and cf::map::load uses map_load).
272 404
273=item $locked = cf::lock_active $string 405=item $locked = cf::lock_active $string
274 406
275Return true if the lock is currently active, i.e. somebody has locked it. 407Return true if the lock is currently active, i.e. somebody has locked it.
276 408
277=cut 409=cut
278 410
279our %LOCK; 411our $LOCKS = new Coro::SemaphoreSet;
280 412
281sub lock_wait($) { 413sub lock_wait($) {
282 my ($key) = @_; 414 $LOCKS->wait ($_[0]);
283
284 # wait for lock, if any
285 while ($LOCK{$key}) {
286 push @{ $LOCK{$key} }, $Coro::current;
287 Coro::schedule;
288 }
289} 415}
290 416
291sub lock_acquire($) { 417sub lock_acquire($) {
292 my ($key) = @_; 418 $LOCKS->guard ($_[0])
293
294 # wait, to be sure we are not locked
295 lock_wait $key;
296
297 $LOCK{$key} = [];
298
299 Coro::guard {
300 # wake up all waiters, to be on the safe side
301 $_->ready for @{ delete $LOCK{$key} };
302 }
303} 419}
304 420
305sub lock_active($) { 421sub lock_active($) {
306 my ($key) = @_; 422 $LOCKS->count ($_[0]) < 1
307
308 ! ! $LOCK{$key}
309} 423}
310 424
311sub freeze_mainloop { 425sub freeze_mainloop {
312 return unless $TICK_WATCHER->is_active; 426 tick_inhibit_inc;
313 427
314 my $guard = Coro::guard { 428 &Guard::guard (\&tick_inhibit_dec);
315 $TICK_WATCHER->start; 429}
430
431=item cf::periodic $interval, $cb
432
433Like EV::periodic, but randomly selects a starting point so that the actions
434get spread over time.
435
436=cut
437
438sub periodic($$) {
439 my ($interval, $cb) = @_;
440
441 my $start = rand List::Util::min 180, $interval;
442
443 EV::periodic $start, $interval, 0, $cb
444}
445
446=item cf::get_slot $time[, $priority[, $name]]
447
448Allocate $time seconds of blocking CPU time at priority C<$priority>:
449This call blocks and returns only when you have at least C<$time> seconds
450of cpu time till the next tick. The slot is only valid till the next cede.
451
452The optional C<$name> can be used to identify the job to run. It might be
453used for statistical purposes and should identify the same time-class.
454
455Useful for short background jobs.
456
457=cut
458
459our @SLOT_QUEUE;
460our $SLOT_QUEUE;
461our $SLOT_DECAY = 0.9;
462
463$SLOT_QUEUE->cancel if $SLOT_QUEUE;
464$SLOT_QUEUE = Coro::async {
465 $Coro::current->desc ("timeslot manager");
466
467 my $signal = new Coro::Signal;
468 my $busy;
469
470 while () {
471 next_job:
472
473 my $avail = cf::till_tick;
474
475 for (0 .. $#SLOT_QUEUE) {
476 if ($SLOT_QUEUE[$_][0] <= $avail) {
477 $busy = 0;
478 my $job = splice @SLOT_QUEUE, $_, 1, ();
479 $job->[2]->send;
480 Coro::cede;
481 goto next_job;
482 } else {
483 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
484 }
485 }
486
487 if (@SLOT_QUEUE) {
488 # we do not use wait_for_tick() as it returns immediately when tick is inactive
489 push @cf::WAIT_FOR_TICK, $signal;
490 $signal->wait;
491 } else {
492 $busy = 0;
493 Coro::schedule;
494 }
316 }; 495 }
317 $TICK_WATCHER->stop; 496};
318 $guard 497
498sub get_slot($;$$) {
499 return if tick_inhibit || $Coro::current == $Coro::main;
500
501 my ($time, $pri, $name) = @_;
502
503 $time = clamp $time, 0.01, $TICK * .6;
504
505 my $sig = new Coro::Signal;
506
507 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
508 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
509 $SLOT_QUEUE->ready;
510 $sig->wait;
319} 511}
320 512
321=item cf::async { BLOCK } 513=item cf::async { BLOCK }
322 514
323Currently the same as Coro::async_pool, meaning you cannot use 515Currently the same as Coro::async_pool, meaning you cannot use
328 520
329BEGIN { *async = \&Coro::async_pool } 521BEGIN { *async = \&Coro::async_pool }
330 522
331=item cf::sync_job { BLOCK } 523=item cf::sync_job { BLOCK }
332 524
333The design of Crossfire TRT requires that the main coroutine ($Coro::main) 525The design of Deliantra requires that the main coroutine ($Coro::main)
334is always able to handle events or runnable, as Crossfire TRT is only 526is always able to handle events or runnable, as Deliantra is only
335partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not 527partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336acceptable. 528acceptable.
337 529
338If it must be done, put the blocking parts into C<sync_job>. This will run 530If it must be done, put the blocking parts into C<sync_job>. This will run
339the given BLOCK in another coroutine while waiting for the result. The 531the given BLOCK in another coroutine while waiting for the result. The
343=cut 535=cut
344 536
345sub sync_job(&) { 537sub sync_job(&) {
346 my ($job) = @_; 538 my ($job) = @_;
347 539
348 if ($Coro::current == $Coro::main) { 540 if (in_main) {
349 my $time = Event::time; 541 my $time = AE::time;
350 542
351 # this is the main coro, too bad, we have to block 543 # this is the main coro, too bad, we have to block
352 # till the operation succeeds, freezing the server :/ 544 # till the operation succeeds, freezing the server :/
353 545
354 # TODO: use suspend/resume instead 546 #LOG llevError, Carp::longmess "sync job";#d#
355 # (but this is cancel-safe) 547
356 my $freeze_guard = freeze_mainloop; 548 my $freeze_guard = freeze_mainloop;
357 549
358 my $busy = 1; 550 my $busy = 1;
359 my @res; 551 my @res;
360 552
361 (async { 553 (async {
554 $Coro::current->desc ("sync job coro");
362 @res = eval { $job->() }; 555 @res = eval { $job->() };
363 warn $@ if $@; 556 error $@ if $@;
364 undef $busy; 557 undef $busy;
365 })->prio (Coro::PRIO_MAX); 558 })->prio (Coro::PRIO_MAX);
366 559
367 while ($busy) { 560 while ($busy) {
368 Coro::cede or Event::one_event; 561 if (Coro::nready) {
562 Coro::cede_notself;
563 } else {
564 EV::loop EV::LOOP_ONESHOT;
369 } 565 }
566 }
370 567
371 $time = Event::time - $time; 568 my $time = AE::time - $time;
372 569
373 LOG llevError | logBacktrace, Carp::longmess "long sync job"
374 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376 $tick_start += $time; # do not account sync jobs to server load 570 $TICK_START += $time; # do not account sync jobs to server load
377 571
378 wantarray ? @res : $res[0] 572 wantarray ? @res : $res[0]
379 } else { 573 } else {
380 # we are in another coroutine, how wonderful, everything just works 574 # we are in another coroutine, how wonderful, everything just works
381 575
401 $EXT_CORO{$coro+0} = $coro; 595 $EXT_CORO{$coro+0} = $coro;
402 596
403 $coro 597 $coro
404} 598}
405 599
406=item fork_call { }, $args 600=item fork_call { }, @args
407 601
408Executes the given code block with the given arguments in a seperate 602Executes the given code block with the given arguments in a seperate
409process, returning the results. Everything must be serialisable with 603process, returning the results. Everything must be serialisable with
410Coro::Storable. May, of course, block. Note that the executed sub may 604Coro::Storable. May, of course, block. Note that the executed sub may
411never block itself or use any form of Event handling. 605never block itself or use any form of event handling.
412 606
413=cut 607=cut
414 608
415sub _store_scalar { 609sub post_fork {
416 open my $fh, ">", \my $buf 610 reset_signals;
417 or die "fork_call: cannot open fh-to-buf in child : $!";
418 Storable::store_fd $_[0], $fh;
419 close $fh;
420
421 $buf
422} 611}
423 612
424sub fork_call(&@) { 613sub fork_call(&@) {
425 my ($cb, @args) = @_; 614 my ($cb, @args) = @_;
426 615
427# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC 616 # we seemingly have to make a local copy of the whole thing,
428# or die "socketpair: $!"; 617 # otherwise perl prematurely frees the stuff :/
429 pipe my $fh1, my $fh2 618 # TODO: investigate and fix (likely this will be rather laborious)
430 or die "pipe: $!";
431 619
432 if (my $pid = fork) { 620 my @res = Coro::Util::fork_eval {
433 close $fh2; 621 cf::post_fork;
622 &$cb
623 } @args;
434 624
435 my $res = (Coro::Handle::unblock $fh1)->readline (undef); 625 wantarray ? @res : $res[-1]
436 warn "pst<$res>" unless $res =~ /^pst/; 626}
437 $res = Coro::Storable::thaw $res;
438 627
439 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave 628sub objinfo {
440
441 Carp::confess $$res unless "ARRAY" eq ref $res;
442
443 return wantarray ? @$res : $res->[-1];
444 } else {
445 reset_signals;
446 local $SIG{__WARN__};
447 local $SIG{__DIE__};
448 # just in case, this hack effectively disables event
449 # in the child. cleaner and slower would be canceling all watchers,
450 # but this works for the time being.
451 local $Coro::idle;
452 $Coro::current->prio (Coro::PRIO_MAX);
453
454 eval {
455 close $fh1;
456
457 my @res = eval { $cb->(@args) };
458
459 syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460 close $fh2;
461 };
462
463 warn $@ if $@;
464 _exit 0;
465 } 629 (
630 "counter value" => cf::object::object_count,
631 "objects created" => cf::object::create_count,
632 "objects destroyed" => cf::object::destroy_count,
633 "freelist size" => cf::object::free_count,
634 "allocated objects" => cf::object::objects_size,
635 "active objects" => cf::object::actives_size,
636 )
637}
638
639=item $coin = coin_from_name $name
640
641=cut
642
643our %coin_alias = (
644 "silver" => "silvercoin",
645 "silvercoin" => "silvercoin",
646 "silvercoins" => "silvercoin",
647 "gold" => "goldcoin",
648 "goldcoin" => "goldcoin",
649 "goldcoins" => "goldcoin",
650 "platinum" => "platinacoin",
651 "platinumcoin" => "platinacoin",
652 "platinumcoins" => "platinacoin",
653 "platina" => "platinacoin",
654 "platinacoin" => "platinacoin",
655 "platinacoins" => "platinacoin",
656 "royalty" => "royalty",
657 "royalties" => "royalty",
658);
659
660sub coin_from_name($) {
661 $coin_alias{$_[0]}
662 ? cf::arch::find $coin_alias{$_[0]}
663 : undef
466} 664}
467 665
468=item $value = cf::db_get $family => $key 666=item $value = cf::db_get $family => $key
469 667
470Returns a single value from the environment database. 668Returns a single value from the environment database.
472=item cf::db_put $family => $key => $value 670=item cf::db_put $family => $key => $value
473 671
474Stores the given C<$value> in the family. It can currently store binary 672Stores the given C<$value> in the family. It can currently store binary
475data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 673data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
476 674
675=item $db = cf::db_table "name"
676
677Create and/or open a new database table. The string must not be "db" and must be unique
678within each server.
679
477=cut 680=cut
681
682sub db_table($) {
683 cf::error "db_get called from main context"
684 if $Coro::current == $Coro::main;
685
686 my ($name) = @_;
687 my $db = BDB::db_create $DB_ENV;
688
689 eval {
690 $db->set_flags (BDB::CHKSUM);
691
692 utf8::encode $name;
693 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
694 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
695 cf::cleanup "db_open(db): $!" if $!;
696 };
697 cf::cleanup "db_open(db): $@" if $@;
698
699 $db
700}
478 701
479our $DB; 702our $DB;
480 703
481sub db_init { 704sub db_init {
482 unless ($DB) { 705 $DB ||= db_table "db";
483 $DB = BDB::db_create $DB_ENV;
484
485 cf::sync_job {
486 eval {
487 $DB->set_flags (BDB::CHKSUM);
488
489 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491 cf::cleanup "db_open(db): $!" if $!;
492 };
493 cf::cleanup "db_open(db): $@" if $@;
494 };
495 }
496} 706}
497 707
498sub db_get($$) { 708sub db_get($$) {
499 my $key = "$_[0]/$_[1]"; 709 my $key = "$_[0]/$_[1]";
500 710
501 cf::sync_job { 711 cf::error "db_get called from main context"
712 if $Coro::current == $Coro::main;
713
502 BDB::db_get $DB, undef, $key, my $data; 714 BDB::db_get $DB, undef, $key, my $data;
503 715
504 $! ? () 716 $! ? ()
505 : $data 717 : $data
506 }
507} 718}
508 719
509sub db_put($$$) { 720sub db_put($$$) {
510 BDB::dbreq_pri 4; 721 BDB::dbreq_pri 4;
511 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; 722 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
550 if (1) { 761 if (1) {
551 $md5 = 762 $md5 =
552 join "\x00", 763 join "\x00",
553 $processversion, 764 $processversion,
554 map { 765 map {
555 Coro::cede; 766 cf::cede_to_tick;
556 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 767 ($src->[$_], Digest::MD5::md5_hex $data[$_])
557 } 0.. $#$src; 768 } 0.. $#$src;
558 769
559 770
560 my $dbmd5 = db_get cache => "$id/md5"; 771 my $dbmd5 = db_get cache => "$id/md5";
567 778
568 my $t1 = Time::HiRes::time; 779 my $t1 = Time::HiRes::time;
569 my $data = $process->(\@data); 780 my $data = $process->(\@data);
570 my $t2 = Time::HiRes::time; 781 my $t2 = Time::HiRes::time;
571 782
572 warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; 783 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573 784
574 db_put cache => "$id/data", $data; 785 db_put cache => "$id/data", $data;
575 db_put cache => "$id/md5" , $md5; 786 db_put cache => "$id/md5" , $md5;
576 db_put cache => "$id/meta", $meta; 787 db_put cache => "$id/meta", $meta;
577 788
587 798
588=cut 799=cut
589 800
590sub datalog($@) { 801sub datalog($@) {
591 my ($type, %kv) = @_; 802 my ($type, %kv) = @_;
592 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 803 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593} 804}
594 805
595=back 806=back
596 807
597=cut 808=cut
598 809
599############################################################################# 810#############################################################################
600 811
601=head2 ATTACHABLE OBJECTS 812=head2 ATTACHABLE OBJECTS
602 813
603Many objects in crossfire are so-called attachable objects. That means you can 814Many objects in deliantra are so-called attachable objects. That means you can
604attach callbacks/event handlers (a collection of which is called an "attachment") 815attach callbacks/event handlers (a collection of which is called an "attachment")
605to it. All such attachable objects support the following methods. 816to it. All such attachable objects support the following methods.
606 817
607In the following description, CLASS can be any of C<global>, C<object> 818In the following description, CLASS can be any of C<global>, C<object>
608C<player>, C<client> or C<map> (i.e. the attachable objects in 819C<player>, C<client> or C<map> (i.e. the attachable objects in
609Crossfire TRT). 820Deliantra).
610 821
611=over 4 822=over 4
612 823
613=item $attachable->attach ($attachment, key => $value...) 824=item $attachable->attach ($attachment, key => $value...)
614 825
658=item cf::CLASS::attachment $name, ... 869=item cf::CLASS::attachment $name, ...
659 870
660Register an attachment by C<$name> through which attachable objects of the 871Register an attachment by C<$name> through which attachable objects of the
661given CLASS can refer to this attachment. 872given CLASS can refer to this attachment.
662 873
663Some classes such as crossfire maps and objects can specify attachments 874Some classes such as deliantra maps and objects can specify attachments
664that are attached at load/instantiate time, thus the need for a name. 875that are attached at load/instantiate time, thus the need for a name.
665 876
666These calls expect any number of the following handler/hook descriptions: 877These calls expect any number of the following handler/hook descriptions:
667 878
668=over 4 879=over 4
792 1003
793 } elsif (exists $cb_id{$type}) { 1004 } elsif (exists $cb_id{$type}) {
794 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1005 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795 1006
796 } elsif (ref $type) { 1007 } elsif (ref $type) {
797 warn "attaching objects not supported, ignoring.\n"; 1008 error "attaching objects not supported, ignoring.\n";
798 1009
799 } else { 1010 } else {
800 shift @arg; 1011 shift @arg;
801 warn "attach argument '$type' not supported, ignoring.\n"; 1012 error "attach argument '$type' not supported, ignoring.\n";
802 } 1013 }
803 } 1014 }
804} 1015}
805 1016
806sub _object_attach { 1017sub _object_attach {
816 _attach $registry, $klass, @attach; 1027 _attach $registry, $klass, @attach;
817 } 1028 }
818 1029
819 $obj->{$name} = \%arg; 1030 $obj->{$name} = \%arg;
820 } else { 1031 } else {
821 warn "object uses attachment '$name' which is not available, postponing.\n"; 1032 info "object uses attachment '$name' which is not available, postponing.\n";
822 } 1033 }
823 1034
824 $obj->{_attachment}{$name} = undef; 1035 $obj->{_attachment}{$name} = undef;
825} 1036}
826 1037
866 "; 1077 ";
867 die if $@; 1078 die if $@;
868} 1079}
869 1080
870our $override; 1081our $override;
871our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1082our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
872 1083
873sub override { 1084sub override {
874 $override = 1; 1085 $override = 1;
875 @invoke_results = (); 1086 @INVOKE_RESULTS = (@_);
876} 1087}
877 1088
878sub do_invoke { 1089sub do_invoke {
879 my $event = shift; 1090 my $event = shift;
880 my $callbacks = shift; 1091 my $callbacks = shift;
881 1092
882 @invoke_results = (); 1093 @INVOKE_RESULTS = ();
883 1094
884 local $override; 1095 local $override;
885 1096
886 for (@$callbacks) { 1097 for (@$callbacks) {
887 eval { &{$_->[1]} }; 1098 eval { &{$_->[1]} };
888 1099
889 if ($@) { 1100 if ($@) {
890 warn "$@";
891 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1101 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892 override; 1102 override;
893 } 1103 }
894 1104
895 return 1 if $override; 1105 return 1 if $override;
896 } 1106 }
897 1107
898 0 1108 0
899} 1109}
900 1110
901=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1111=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902 1112
903=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1113=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904 1114
905Generate an object-specific event with the given arguments. 1115Generate an object-specific event with the given arguments.
906 1116
907This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1117This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
908removed in future versions), and there is no public API to access override 1118removed in future versions), and there is no public API to access override
909results (if you must, access C<@cf::invoke_results> directly). 1119results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910 1120
911=back 1121=back
912 1122
913=cut 1123=cut
914 1124
915############################################################################# 1125#############################################################################
916# object support 1126# object support
1127
1128sub _object_equal($$);
1129sub _object_equal($$) {
1130 my ($a, $b) = @_;
1131
1132 return 0 unless (ref $a) eq (ref $b);
1133
1134 if ("HASH" eq ref $a) {
1135 my @ka = keys %$a;
1136 my @kb = keys %$b;
1137
1138 return 0 if @ka != @kb;
1139
1140 for (0 .. $#ka) {
1141 return 0 unless $ka[$_] eq $kb[$_];
1142 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1143 }
1144
1145 } elsif ("ARRAY" eq ref $a) {
1146
1147 return 0 if @$a != @$b;
1148
1149 for (0 .. $#$a) {
1150 return 0 unless _object_equal $a->[$_], $b->[$_];
1151 }
1152
1153 } elsif ($a ne $b) {
1154 return 0;
1155 }
1156
1157 1
1158}
1159
1160our $SLOW_MERGES;#d#
1161sub _can_merge {
1162 my ($ob1, $ob2) = @_;
1163
1164 ++$SLOW_MERGES;#d#
1165
1166 # we do the slow way here
1167 return _object_equal $ob1, $ob2
1168}
917 1169
918sub reattach { 1170sub reattach {
919 # basically do the same as instantiate, without calling instantiate 1171 # basically do the same as instantiate, without calling instantiate
920 my ($obj) = @_; 1172 my ($obj) = @_;
921 1173
1174 # no longer needed after getting rid of delete_package?
922 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1175 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
923 1176
924 my $registry = $obj->registry; 1177 my $registry = $obj->registry;
925 1178
926 @$registry = (); 1179 @$registry = ();
927 1180
932 for (@$attach) { 1185 for (@$attach) {
933 my ($klass, @attach) = @$_; 1186 my ($klass, @attach) = @$_;
934 _attach $registry, $klass, @attach; 1187 _attach $registry, $klass, @attach;
935 } 1188 }
936 } else { 1189 } else {
937 warn "object uses attachment '$name' that is not available, postponing.\n"; 1190 info "object uses attachment '$name' that is not available, postponing.\n";
938 } 1191 }
939 } 1192 }
940} 1193}
941 1194
942cf::attachable->attach ( 1195cf::attachable->attach (
943 prio => -1000000, 1196 prio => -1000000,
944 on_instantiate => sub { 1197 on_instantiate => sub {
945 my ($obj, $data) = @_; 1198 my ($obj, $data) = @_;
946 1199
947 $data = from_json $data; 1200 $data = decode_json $data;
948 1201
949 for (@$data) { 1202 for (@$data) {
950 my ($name, $args) = @$_; 1203 my ($name, $args) = @$_;
951 1204
952 $obj->attach ($name, %{$args || {} }); 1205 $obj->attach ($name, %{$args || {} });
968sub object_freezer_save { 1221sub object_freezer_save {
969 my ($filename, $rdata, $objs) = @_; 1222 my ($filename, $rdata, $objs) = @_;
970 1223
971 sync_job { 1224 sync_job {
972 if (length $$rdata) { 1225 if (length $$rdata) {
1226 utf8::decode (my $decname = $filename);
973 warn sprintf "saving %s (%d,%d)\n", 1227 trace sprintf "saving %s (%d,%d)\n",
974 $filename, length $$rdata, scalar @$objs; 1228 $decname, length $$rdata, scalar @$objs
1229 if $VERBOSE_IO;
975 1230
976 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1231 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977 chmod SAVE_MODE, $fh; 1232 aio_chmod $fh, SAVE_MODE;
978 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1233 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979 aio_fsync $fh if $cf::USE_FSYNC; 1234 if ($cf::USE_FSYNC) {
1235 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;
1236 aio_fsync $fh;
1237 }
980 close $fh; 1238 aio_close $fh;
981 1239
982 if (@$objs) { 1240 if (@$objs) {
983 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1241 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
984 chmod SAVE_MODE, $fh; 1242 aio_chmod $fh, SAVE_MODE;
985 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1243 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986 aio_write $fh, 0, (length $data), $data, 0; 1244 aio_write $fh, 0, (length $data), $data, 0;
987 aio_fsync $fh if $cf::USE_FSYNC; 1245 if ($cf::USE_FSYNC) {
1246 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;
1247 aio_fsync $fh;
1248 }
988 close $fh; 1249 aio_close $fh;
989 aio_rename "$filename.pst~", "$filename.pst"; 1250 aio_rename "$filename.pst~", "$filename.pst";
990 } 1251 }
991 } else { 1252 } else {
992 aio_unlink "$filename.pst"; 1253 aio_unlink "$filename.pst";
993 } 1254 }
994 1255
995 aio_rename "$filename~", $filename; 1256 aio_rename "$filename~", $filename;
1257
1258 $filename =~ s%/[^/]+$%%;
1259 aio_pathsync $filename if $cf::USE_FSYNC;
996 } else { 1260 } else {
997 warn "FATAL: $filename~: $!\n"; 1261 error "unable to save objects: $filename~: $!\n";
998 } 1262 }
999 } else { 1263 } else {
1000 aio_unlink $filename; 1264 aio_unlink $filename;
1001 aio_unlink "$filename.pst"; 1265 aio_unlink "$filename.pst";
1002 } 1266 }
1003 } 1267 };
1004} 1268}
1005 1269
1006sub object_freezer_as_string { 1270sub object_freezer_as_string {
1007 my ($rdata, $objs) = @_; 1271 my ($rdata, $objs) = @_;
1008 1272
1020 or return; 1284 or return;
1021 1285
1022 unless (aio_stat "$filename.pst") { 1286 unless (aio_stat "$filename.pst") {
1023 (aio_load "$filename.pst", $av) >= 0 1287 (aio_load "$filename.pst", $av) >= 0
1024 or return; 1288 or return;
1289
1025 $av = eval { (Storable::thaw $av)->{objs} }; 1290 my $st = eval { Coro::Storable::thaw $av };
1291 $av = $st->{objs};
1026 } 1292 }
1027 1293
1294 utf8::decode (my $decname = $filename);
1028 warn sprintf "loading %s (%d)\n", 1295 trace sprintf "loading %s (%d,%d)\n",
1029 $filename, length $data, scalar @{$av || []}; 1296 $decname, length $data, scalar @{$av || []}
1297 if $VERBOSE_IO;
1298
1030 return ($data, $av); 1299 ($data, $av)
1031} 1300}
1032 1301
1033=head2 COMMAND CALLBACKS 1302=head2 COMMAND CALLBACKS
1034 1303
1035=over 4 1304=over 4
1089 my ($name, $cb) = @_; 1358 my ($name, $cb) = @_;
1090 1359
1091 $EXTICMD{$name} = $cb; 1360 $EXTICMD{$name} = $cb;
1092} 1361}
1093 1362
1363use File::Glob ();
1364
1094cf::player->attach ( 1365cf::player->attach (
1095 on_command => sub { 1366 on_unknown_command => sub {
1096 my ($pl, $name, $params) = @_; 1367 my ($pl, $name, $params) = @_;
1097 1368
1098 my $cb = $COMMAND{$name} 1369 my $cb = $COMMAND{$name}
1099 or return; 1370 or return;
1100 1371
1108 my ($pl, $buf) = @_; 1379 my ($pl, $buf) = @_;
1109 1380
1110 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) }; 1381 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111 1382
1112 if (ref $msg) { 1383 if (ref $msg) {
1384 my ($type, $reply, @payload) =
1385 "ARRAY" eq ref $msg
1386 ? @$msg
1387 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1388
1389 my @reply;
1390
1113 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1391 if (my $cb = $EXTCMD{$type}) {
1114 if (my %reply = $cb->($pl, $msg)) { 1392 @reply = $cb->($pl, @payload);
1115 $pl->ext_reply ($msg->{msgid}, %reply);
1116 }
1117 } 1393 }
1394
1395 $pl->ext_reply ($reply, @reply)
1396 if $reply;
1397
1118 } else { 1398 } else {
1119 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1399 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120 } 1400 }
1121 1401
1122 cf::override; 1402 cf::override;
1123 }, 1403 },
1124); 1404);
1125 1405
1406# "readahead" all extensions
1407sub cache_extensions {
1408 my $grp = IO::AIO::aio_group;
1409
1410 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
1411 for (grep /\.ext$/, @{$_[0]}) {
1412 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
1413 }
1414 };
1415
1416 $grp
1417}
1418
1126sub load_extensions { 1419sub load_extensions {
1420 info "loading extensions...";
1421
1127 cf::sync_job { 1422 cf::sync_job {
1128 my %todo; 1423 my %todo;
1129 1424
1130 for my $path (<$LIBDIR/*.ext>) { 1425 for my $path (<$LIBDIR/*.ext>) {
1131 next unless -r $path; 1426 next unless -r $path;
1149 1444
1150 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 } 1445 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m; 1446 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152 1447
1153 $ext{source} = 1448 $ext{source} =
1154 "package $pkg; use strict; use utf8;\n" 1449 "package $pkg; use common::sense;\n"
1155 . "#line 1 \"$path\"\n{\n" 1450 . "#line 1 \"$path\"\n{\n"
1156 . $source 1451 . $source
1157 . "\n};\n1"; 1452 . "\n};\n1";
1158 1453
1159 $todo{$base} = \%ext; 1454 $todo{$base} = \%ext;
1160 } 1455 }
1161 1456
1457 my $pass = 0;
1162 my %done; 1458 my %done;
1163 while (%todo) { 1459 while (%todo) {
1164 my $progress; 1460 my $progress;
1165 1461
1462 ++$pass;
1463
1464 ext:
1166 while (my ($k, $v) = each %todo) { 1465 while (my ($k, $v) = each %todo) {
1167 for (split /,\s*/, $v->{meta}{depends}) { 1466 for (split /,\s*/, $v->{meta}{depends}) {
1168 goto skip 1467 next ext
1169 unless exists $done{$_}; 1468 unless exists $done{$_};
1170 } 1469 }
1171 1470
1172 warn "... loading '$k' into '$v->{pkg}'\n"; 1471 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173 1472
1174 unless (eval $v->{source}) { 1473 my $active = eval $v->{source};
1474
1475 if (length $@) {
1175 my $msg = $@ ? "$v->{path}: $@\n" 1476 error "$v->{path}: $@\n";
1176 : "$v->{base}: extension inactive.\n";
1177 1477
1478 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178 if (exists $v->{meta}{mandatory}) { 1479 if exists $v->{meta}{mandatory};
1179 warn $msg; 1480
1180 warn "mandatory extension failed to load, exiting.\n"; 1481 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181 exit 1; 1482 delete $todo{$k};
1182 } 1483 } else {
1183 1484 $done{$k} = delete $todo{$k};
1184 warn $msg; 1485 push @EXTS, $v->{pkg};
1486 $progress = 1;
1487
1488 info "$v->{base}: extension inactive.\n"
1489 unless $active;
1185 } 1490 }
1186
1187 $done{$k} = delete $todo{$k};
1188 push @EXTS, $v->{pkg};
1189 $progress = 1;
1190 } 1491 }
1191 1492
1192 skip: 1493 unless ($progress) {
1193 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n" 1494 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194 unless $progress; 1495
1496 while (my ($k, $v) = each %todo) {
1497 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1498 if exists $v->{meta}{mandatory};
1499 }
1500 }
1195 } 1501 }
1196 }; 1502 };
1197} 1503}
1198 1504
1199############################################################################# 1505#############################################################################
1200 1506
1201=back 1507=back
1202 1508
1203=head2 CORE EXTENSIONS 1509=head2 CORE EXTENSIONS
1204 1510
1205Functions and methods that extend core crossfire objects. 1511Functions and methods that extend core deliantra objects.
1206 1512
1207=cut 1513=cut
1208 1514
1209package cf::player; 1515package cf::player;
1210 1516
1211use Coro::AIO; 1517use Coro::AIO;
1212 1518
1213=head3 cf::player 1519=head3 cf::player
1214 1520
1215=over 4 1521=over 4
1522
1523=item cf::player::num_playing
1524
1525Returns the official number of playing players, as per the Crossfire metaserver rules.
1526
1527=cut
1528
1529sub num_playing {
1530 scalar grep
1531 $_->ob->map
1532 && !$_->hidden
1533 && !$_->ob->flag (cf::FLAG_WIZ),
1534 cf::player::list
1535}
1216 1536
1217=item cf::player::find $login 1537=item cf::player::find $login
1218 1538
1219Returns the given player object, loading it if necessary (might block). 1539Returns the given player object, loading it if necessary (might block).
1220 1540
1239 1559
1240sub exists($) { 1560sub exists($) {
1241 my ($login) = @_; 1561 my ($login) = @_;
1242 1562
1243 $cf::PLAYER{$login} 1563 $cf::PLAYER{$login}
1244 or cf::sync_job { !aio_stat path $login } 1564 or !aio_stat path $login
1245} 1565}
1246 1566
1247sub find($) { 1567sub find($) {
1248 return $cf::PLAYER{$_[0]} || do { 1568 return $cf::PLAYER{$_[0]} || do {
1249 my $login = $_[0]; 1569 my $login = $_[0];
1256 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1576 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1577 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1578 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259 aio_unlink +(playerdir $login) . "/$login.pl"; 1579 aio_unlink +(playerdir $login) . "/$login.pl";
1260 1580
1261 my $pl = load_pl path $login 1581 my $f = new_from_file cf::object::thawer path $login
1262 or return; 1582 or return;
1583
1584 my $pl = cf::player::load_pl $f
1585 or return;
1586
1587 local $cf::PLAYER_LOADING{$login} = $pl;
1588 $f->resolve_delayed_derefs;
1263 $cf::PLAYER{$login} = $pl 1589 $cf::PLAYER{$login} = $pl
1264 } 1590 }
1265 } 1591 }
1266} 1592}
1593
1594cf::player->attach (
1595 on_load => sub {
1596 my ($pl, $path) = @_;
1597
1598 # restore slots saved in save, below
1599 my $slots = delete $pl->{_slots};
1600
1601 $pl->ob->current_weapon ($slots->[0]);
1602 $pl->combat_ob ($slots->[1]);
1603 $pl->ranged_ob ($slots->[2]);
1604 },
1605);
1267 1606
1268sub save($) { 1607sub save($) {
1269 my ($pl) = @_; 1608 my ($pl) = @_;
1270 1609
1271 return if $pl->{deny_save}; 1610 return if $pl->{deny_save};
1276 return if $pl->{deny_save}; 1615 return if $pl->{deny_save};
1277 1616
1278 aio_mkdir playerdir $pl, 0770; 1617 aio_mkdir playerdir $pl, 0770;
1279 $pl->{last_save} = $cf::RUNTIME; 1618 $pl->{last_save} = $cf::RUNTIME;
1280 1619
1620 cf::get_slot 0.01;
1621
1622 # save slots, to be restored later
1623 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1624
1281 $pl->save_pl ($path); 1625 $pl->save_pl ($path);
1282 Coro::cede; 1626 cf::cede_to_tick;
1283} 1627}
1284 1628
1285sub new($) { 1629sub new($) {
1286 my ($login) = @_; 1630 my ($login) = @_;
1287 1631
1293 $cf::PLAYER{$login} = $self; 1637 $cf::PLAYER{$login} = $self;
1294 1638
1295 $self 1639 $self
1296} 1640}
1297 1641
1642=item $player->send_msg ($channel, $msg, $color, [extra...])
1643
1644=cut
1645
1646sub send_msg {
1647 my $ns = shift->ns
1648 or return;
1649 $ns->send_msg (@_);
1650}
1651
1298=item $pl->quit_character 1652=item $pl->quit_character
1299 1653
1300Nukes the player without looking back. If logged in, the connection will 1654Nukes the player without looking back. If logged in, the connection will
1301be destroyed. May block for a long time. 1655be destroyed. May block for a long time.
1302 1656
1306 my ($pl) = @_; 1660 my ($pl) = @_;
1307 1661
1308 my $name = $pl->ob->name; 1662 my $name = $pl->ob->name;
1309 1663
1310 $pl->{deny_save} = 1; 1664 $pl->{deny_save} = 1;
1311 $pl->password ("*"); # this should lock out the player until we nuked the dir 1665 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1312 1666
1313 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1667 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1314 $pl->deactivate; 1668 $pl->deactivate;
1669
1670 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1671 ext::highscore::check ($pl->ob);
1672
1315 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1673 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1316 $pl->ns->destroy if $pl->ns; 1674 $pl->ns->destroy if $pl->ns;
1317 1675
1318 my $path = playerdir $pl; 1676 my $path = playerdir $pl;
1319 my $temp = "$path~$cf::RUNTIME~deleting~"; 1677 my $temp = "$path~$cf::RUNTIME~deleting~";
1355 or return []; 1713 or return [];
1356 1714
1357 my @logins; 1715 my @logins;
1358 1716
1359 for my $login (@$dirs) { 1717 for my $login (@$dirs) {
1718 my $path = path $login;
1719
1720 # a .pst is a dead give-away for a valid player
1721 # if no pst file found, open and chekc for blocked users
1722 if (aio_stat "$path.pst") {
1360 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1723 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361 aio_read $fh, 0, 512, my $buf, 0 or next; 1724 aio_read $fh, 0, 512, my $buf, 0 or next;
1362 $buf !~ /^password -------------$/m or next; # official not-valid tag 1725 $buf !~ /^password -------------$/m or next; # official not-valid tag
1726 }
1363 1727
1364 utf8::decode $login; 1728 utf8::decode $login;
1365 push @logins, $login; 1729 push @logins, $login;
1366 } 1730 }
1367 1731
1368 \@logins 1732 \@logins
1369} 1733}
1370 1734
1371=item $player->maps 1735=item $player->maps
1736
1737=item cf::player::maps $login
1372 1738
1373Returns an arrayref of map paths that are private for this 1739Returns an arrayref of map paths that are private for this
1374player. May block. 1740player. May block.
1375 1741
1376=cut 1742=cut
1394 } 1760 }
1395 1761
1396 \@paths 1762 \@paths
1397} 1763}
1398 1764
1399=item $protocol_xml = $player->expand_cfpod ($crossfire_pod) 1765=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400 1766
1401Expand crossfire pod fragments into protocol xml. 1767Expand deliantra pod fragments into protocol xml.
1402 1768
1403=cut
1404
1405sub expand_cfpod {
1406 ((my $self), (local $_)) = @_;
1407
1408 # escape & and <
1409 s/&/&amp;/g;
1410 s/(?<![BIUGH])</&lt;/g;
1411
1412 # this is buggy, it needs to properly take care of nested <'s
1413
1414 1 while
1415 # replace B<>, I<>, U<> etc.
1416 s/B<([^\>]*)>/<b>$1<\/b>/
1417 || s/I<([^\>]*)>/<i>$1<\/i>/
1418 || s/U<([^\>]*)>/<u>$1<\/u>/
1419 # replace G<male|female> tags
1420 || s{G<([^>|]*)\|([^>]*)>}{
1421 $self->gender ? $2 : $1
1422 }ge
1423 # replace H<hint text>
1424 || s{H<([^\>]*)>}
1425 {
1426 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428 "")
1429 [$self->{hintmode}]
1430 }ge;
1431
1432 # create single paragraphs (very hackish)
1433 s/(?<=\S)\n(?=\w)/ /g;
1434
1435 # compress some whitespace
1436 s/\s+\n/\n/g; # ws line-ends
1437 s/\n\n+/\n/g; # double lines
1438 s/^\n+//; # beginning lines
1439 s/\n+$//; # ending lines
1440
1441 $_
1442}
1443
1444sub hintmode {
1445 $_[0]{hintmode} = $_[1] if @_ > 1;
1446 $_[0]{hintmode}
1447}
1448
1449=item $player->ext_reply ($msgid, %msg) 1769=item $player->ext_reply ($msgid, @msg)
1450 1770
1451Sends an ext reply to the player. 1771Sends an ext reply to the player.
1452 1772
1453=cut 1773=cut
1454 1774
1455sub ext_reply($$%) { 1775sub ext_reply($$@) {
1456 my ($self, $id, %msg) = @_; 1776 my ($self, $id, @msg) = @_;
1457 1777
1458 $msg{msgid} = $id; 1778 $self->ns->ext_reply ($id, @msg)
1459 $self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460} 1779}
1461 1780
1462=item $player->ext_event ($type, %msg) 1781=item $player->ext_msg ($type, @msg)
1463 1782
1464Sends an ext event to the client. 1783Sends an ext event to the client.
1465 1784
1466=cut 1785=cut
1467 1786
1468sub ext_event($$%) { 1787sub ext_msg($$@) {
1469 my ($self, $type, %msg) = @_; 1788 my ($self, $type, @msg) = @_;
1470 1789
1471 $self->ns->ext_event ($type, %msg); 1790 $self->ns->ext_msg ($type, @msg);
1472} 1791}
1473 1792
1474=head3 cf::region 1793=head3 cf::region
1475 1794
1476=over 4 1795=over 4
1485 1804
1486=cut 1805=cut
1487 1806
1488sub find_by_path($) { 1807sub find_by_path($) {
1489 my ($path) = @_; 1808 my ($path) = @_;
1809
1810 $path =~ s/^~[^\/]*//; # skip ~login
1490 1811
1491 my ($match, $specificity); 1812 my ($match, $specificity);
1492 1813
1493 for my $region (list) { 1814 for my $region (list) {
1494 if ($region->{match} && $path =~ $region->{match}) { 1815 if ($region->{match} && $path =~ $region->{match}) {
1520our $MAX_RESET = 3600; 1841our $MAX_RESET = 3600;
1521our $DEFAULT_RESET = 3000; 1842our $DEFAULT_RESET = 3000;
1522 1843
1523sub generate_random_map { 1844sub generate_random_map {
1524 my ($self, $rmp) = @_; 1845 my ($self, $rmp) = @_;
1846
1847 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1848
1525 # mit "rum" bekleckern, nicht 1849 # mit "rum" bekleckern, nicht
1526 $self->_create_random_map ( 1850 $self->_create_random_map (
1527 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1851 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1852 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1529 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1853 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530 $rmp->{exit_on_final_map}, 1854 $rmp->{exit_on_final_map},
1531 $rmp->{xsize}, $rmp->{ysize}, 1855 $rmp->{xsize}, $rmp->{ysize},
1532 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1856 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1857 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1548 1872
1549sub register { 1873sub register {
1550 my (undef, $regex, $prio) = @_; 1874 my (undef, $regex, $prio) = @_;
1551 my $pkg = caller; 1875 my $pkg = caller;
1552 1876
1553 no strict;
1554 push @{"$pkg\::ISA"}, __PACKAGE__; 1877 push @{"$pkg\::ISA"}, __PACKAGE__;
1555 1878
1556 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1879 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557} 1880}
1558 1881
1559# also paths starting with '/' 1882# also paths starting with '/'
1560$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1883$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561 1884
1562sub thawer_merge { 1885sub thawer_merge {
1563 my ($self, $merge) = @_; 1886 my ($self, $merge) = @_;
1564 1887
1565 # we have to keep some variables in memory intact 1888 # we have to keep some variables in memory intact
1570} 1893}
1571 1894
1572sub normalise { 1895sub normalise {
1573 my ($path, $base) = @_; 1896 my ($path, $base) = @_;
1574 1897
1575 $path = "$path"; # make sure its a string 1898 $path = "$path"; # make sure it's a string
1576 1899
1577 $path =~ s/\.map$//; 1900 $path =~ s/\.map$//;
1578 1901
1579 # map plan: 1902 # map plan:
1580 # 1903 #
1619 $self->init; # pass $1 etc. 1942 $self->init; # pass $1 etc.
1620 return $self; 1943 return $self;
1621 } 1944 }
1622 } 1945 }
1623 1946
1624 Carp::cluck "unable to resolve path '$path' (base '$base')."; 1947 Carp::cluck "unable to resolve path '$path' (base '$base')";
1625 () 1948 ()
1626} 1949}
1627 1950
1628sub init { 1951sub init {
1629 my ($self) = @_; 1952 my ($self) = @_;
1651 1974
1652# the temporary/swap location 1975# the temporary/swap location
1653sub save_path { 1976sub save_path {
1654 my ($self) = @_; 1977 my ($self) = @_;
1655 1978
1656 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1979 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657 "$TMPDIR/$path.map" 1980 "$TMPDIR/$path.map"
1658} 1981}
1659 1982
1660# the unique path, undef == no special unique path 1983# the unique path, undef == no special unique path
1661sub uniq_path { 1984sub uniq_path {
1662 my ($self) = @_; 1985 my ($self) = @_;
1663 1986
1664 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1987 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665 "$UNIQUEDIR/$path" 1988 "$UNIQUEDIR/$path"
1666}
1667
1668# and all this just because we cannot iterate over
1669# all maps in C++...
1670sub change_all_map_light {
1671 my ($change) = @_;
1672
1673 $_->change_map_light ($change)
1674 for grep $_->outdoor, values %cf::MAP;
1675} 1989}
1676 1990
1677sub decay_objects { 1991sub decay_objects {
1678 my ($self) = @_; 1992 my ($self) = @_;
1679 1993
1692 2006
1693sub load_header_from($) { 2007sub load_header_from($) {
1694 my ($self, $path) = @_; 2008 my ($self, $path) = @_;
1695 2009
1696 utf8::encode $path; 2010 utf8::encode $path;
1697 #aio_open $path, O_RDONLY, 0 2011 my $f = new_from_file cf::object::thawer $path
1698 # or return;
1699
1700 $self->_load_header ($path)
1701 or return; 2012 or return;
2013
2014 $self->_load_header ($f)
2015 or return;
2016
2017 local $MAP_LOADING{$self->{path}} = $self;
2018 $f->resolve_delayed_derefs;
1702 2019
1703 $self->{load_path} = $path; 2020 $self->{load_path} = $path;
1704 2021
1705 1 2022 1
1706} 2023}
1758 2075
1759sub find; 2076sub find;
1760sub find { 2077sub find {
1761 my ($path, $origin) = @_; 2078 my ($path, $origin) = @_;
1762 2079
2080 cf::cede_to_tick;
2081
1763 $path = normalise $path, $origin && $origin->path; 2082 $path = normalise $path, $origin && $origin->path;
1764 2083
2084 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765 cf::lock_wait "map_find:$path"; 2085 my $guard2 = cf::lock_acquire "map_find:$path";
1766 2086
1767 $cf::MAP{$path} || do { 2087 $cf::MAP{$path} || do {
1768 my $guard = cf::lock_acquire "map_find:$path";
1769 my $map = new_from_path cf::map $path 2088 my $map = new_from_path cf::map $path
1770 or return; 2089 or return;
1771 2090
1772 $map->{last_save} = $cf::RUNTIME; 2091 $map->{last_save} = $cf::RUNTIME;
1773 2092
1775 or return; 2094 or return;
1776 2095
1777 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 2096 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778 # doing this can freeze the server in a sync job, obviously 2097 # doing this can freeze the server in a sync job, obviously
1779 #$cf::WAIT_FOR_TICK->wait; 2098 #$cf::WAIT_FOR_TICK->wait;
2099 undef $guard2;
2100 undef $guard1;
1780 $map->reset; 2101 $map->reset;
1781 undef $guard;
1782 return find $path; 2102 return find $path;
1783 } 2103 }
1784 2104
1785 $cf::MAP{$path} = $map 2105 $cf::MAP{$path} = $map
1786 } 2106 }
1787} 2107}
1788 2108
1789sub pre_load { } 2109sub pre_load { }
1790sub post_load { } 2110#sub post_load { } # XS
1791 2111
1792sub load { 2112sub load {
1793 my ($self) = @_; 2113 my ($self) = @_;
1794 2114
1795 local $self->{deny_reset} = 1; # loading can take a long time 2115 local $self->{deny_reset} = 1; # loading can take a long time
1796 2116
1797 my $path = $self->{path}; 2117 my $path = $self->{path};
1798 2118
1799 { 2119 {
1800 my $guard = cf::lock_acquire "map_load:$path"; 2120 my $guard = cf::lock_acquire "map_data:$path";
1801 2121
2122 return unless $self->valid;
1802 return if $self->in_memory != cf::MAP_SWAPPED; 2123 return unless $self->in_memory == cf::MAP_SWAPPED;
1803 2124
1804 $self->in_memory (cf::MAP_LOADING); 2125 $self->in_memory (cf::MAP_LOADING);
1805 2126
1806 $self->alloc; 2127 $self->alloc;
1807 2128
1808 $self->pre_load; 2129 $self->pre_load;
1809 Coro::cede; 2130 cf::cede_to_tick;
1810 2131
2132 my $f = new_from_file cf::object::thawer $self->{load_path};
2133 $f->skip_block;
1811 $self->_load_objects ($self->{load_path}, 1) 2134 $self->_load_objects ($f)
1812 or return; 2135 or return;
1813 2136
1814 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2137 $self->post_load_original
1815 if delete $self->{load_original}; 2138 if delete $self->{load_original};
1816 2139
1817 if (my $uniq = $self->uniq_path) { 2140 if (my $uniq = $self->uniq_path) {
1818 utf8::encode $uniq; 2141 utf8::encode $uniq;
1819 if (aio_open $uniq, O_RDONLY, 0) { 2142 unless (aio_stat $uniq) {
2143 if (my $f = new_from_file cf::object::thawer $uniq) {
1820 $self->clear_unique_items; 2144 $self->clear_unique_items;
1821 $self->_load_objects ($uniq, 0); 2145 $self->_load_objects ($f);
2146 $f->resolve_delayed_derefs;
2147 }
1822 } 2148 }
1823 } 2149 }
1824 2150
1825 Coro::cede; 2151 $f->resolve_delayed_derefs;
2152
2153 cf::cede_to_tick;
1826 # now do the right thing for maps 2154 # now do the right thing for maps
1827 $self->link_multipart_objects; 2155 $self->link_multipart_objects;
1828 $self->difficulty ($self->estimate_difficulty) 2156 $self->difficulty ($self->estimate_difficulty)
1829 unless $self->difficulty; 2157 unless $self->difficulty;
1830 Coro::cede; 2158 cf::cede_to_tick;
1831 2159
1832 unless ($self->{deny_activate}) { 2160 unless ($self->{deny_activate}) {
1833 $self->decay_objects; 2161 $self->decay_objects;
1834 $self->fix_auto_apply; 2162 $self->fix_auto_apply;
1835 $self->update_buttons; 2163 $self->update_buttons;
1836 Coro::cede; 2164 cf::cede_to_tick;
1837 $self->set_darkness_map;
1838 Coro::cede;
1839 $self->activate; 2165 $self->activate;
1840 } 2166 }
1841 2167
2168 $self->{last_save} = $cf::RUNTIME;
2169 $self->last_access ($cf::RUNTIME);
2170
1842 $self->in_memory (cf::MAP_IN_MEMORY); 2171 $self->in_memory (cf::MAP_ACTIVE);
1843 } 2172 }
1844 2173
1845 $self->post_load; 2174 $self->post_load;
1846} 2175}
1847 2176
2177# customize the map for a given player, i.e.
2178# return the _real_ map. used by e.g. per-player
2179# maps to change the path to ~playername/mappath
1848sub customise_for { 2180sub customise_for {
1849 my ($self, $ob) = @_; 2181 my ($self, $ob) = @_;
1850 2182
1851 return find "~" . $ob->name . "/" . $self->{path} 2183 return find "~" . $ob->name . "/" . $self->{path}
1852 if $self->per_player; 2184 if $self->per_player;
1856 2188
1857 $self 2189 $self
1858} 2190}
1859 2191
1860# find and load all maps in the 3x3 area around a map 2192# find and load all maps in the 3x3 area around a map
1861sub load_diag { 2193sub load_neighbours {
1862 my ($map) = @_; 2194 my ($map) = @_;
1863 2195
1864 my @diag; # diagonal neighbours 2196 my @neigh; # diagonal neighbours
1865 2197
1866 for (0 .. 3) { 2198 for (0 .. 3) {
1867 my $neigh = $map->tile_path ($_) 2199 my $neigh = $map->tile_path ($_)
1868 or next; 2200 or next;
1869 $neigh = find $neigh, $map 2201 $neigh = find $neigh, $map
1870 or next; 2202 or next;
1871 $neigh->load; 2203 $neigh->load;
1872 2204
2205 # now find the diagonal neighbours
2206 push @neigh,
1873 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2207 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2208 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1875 } 2209 }
1876 2210
1877 for (@diag) { 2211 for (grep defined $_->[0], @neigh) {
2212 my ($path, $origin) = @$_;
1878 my $neigh = find @$_ 2213 my $neigh = find $path, $origin
1879 or next; 2214 or next;
1880 $neigh->load; 2215 $neigh->load;
1881 } 2216 }
1882} 2217}
1883 2218
1884sub find_sync { 2219sub find_sync {
1885 my ($path, $origin) = @_; 2220 my ($path, $origin) = @_;
1886 2221
1887 cf::sync_job { find $path, $origin } 2222 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2223 if $Coro::current == $Coro::main;
2224
2225 find $path, $origin
1888} 2226}
1889 2227
1890sub do_load_sync { 2228sub do_load_sync {
1891 my ($map) = @_; 2229 my ($map) = @_;
1892 2230
1893 cf::sync_job { $map->load }; 2231 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2232 if $Coro::current == $Coro::main;
2233
2234 $map->load;
1894} 2235}
1895 2236
1896our %MAP_PREFETCH; 2237our %MAP_PREFETCH;
1897our $MAP_PREFETCHER = undef; 2238our $MAP_PREFETCHER = undef;
1898 2239
1899sub find_async { 2240sub find_async {
1900 my ($path, $origin) = @_; 2241 my ($path, $origin, $load) = @_;
1901 2242
1902 $path = normalise $path, $origin && $origin->{path}; 2243 $path = normalise $path, $origin && $origin->{path};
1903 2244
1904 if (my $map = $cf::MAP{$path}) { 2245 if (my $map = $cf::MAP{$path}) {
1905 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2246 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1906 } 2247 }
1907 2248
1908 undef $MAP_PREFETCH{$path}; 2249 $MAP_PREFETCH{$path} |= $load;
2250
1909 $MAP_PREFETCHER ||= cf::async { 2251 $MAP_PREFETCHER ||= cf::async {
2252 $Coro::current->{desc} = "map prefetcher";
2253
1910 while (%MAP_PREFETCH) { 2254 while (%MAP_PREFETCH) {
1911 for my $path (keys %MAP_PREFETCH) { 2255 while (my ($k, $v) = each %MAP_PREFETCH) {
1912 if (my $map = find $path) { 2256 if (my $map = find $k) {
1913 $map->load; 2257 $map->load if $v;
1914 } 2258 }
1915 2259
1916 delete $MAP_PREFETCH{$path}; 2260 delete $MAP_PREFETCH{$k};
1917 } 2261 }
1918 } 2262 }
1919 undef $MAP_PREFETCHER; 2263 undef $MAP_PREFETCHER;
1920 }; 2264 };
1921 $MAP_PREFETCHER->prio (6); 2265 $MAP_PREFETCHER->prio (6);
1922 2266
1923 () 2267 ()
1924} 2268}
1925 2269
2270# common code, used by both ->save and ->swapout
1926sub save { 2271sub _save {
1927 my ($self) = @_; 2272 my ($self) = @_;
1928
1929 my $lock = cf::lock_acquire "map_data:" . $self->path;
1930 2273
1931 $self->{last_save} = $cf::RUNTIME; 2274 $self->{last_save} = $cf::RUNTIME;
1932 2275
1933 return unless $self->dirty; 2276 return unless $self->dirty;
1934 2277
1940 return if $self->{deny_save}; 2283 return if $self->{deny_save};
1941 2284
1942 local $self->{last_access} = $self->last_access;#d# 2285 local $self->{last_access} = $self->last_access;#d#
1943 2286
1944 cf::async { 2287 cf::async {
2288 $Coro::current->{desc} = "map player save";
1945 $_->contr->save for $self->players; 2289 $_->contr->save for $self->players;
1946 }; 2290 };
2291
2292 cf::get_slot 0.02;
1947 2293
1948 if ($uniq) { 2294 if ($uniq) {
1949 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2295 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2296 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1951 } else { 2297 } else {
1952 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2298 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953 } 2299 }
1954} 2300}
1955 2301
2302sub save {
2303 my ($self) = @_;
2304
2305 my $lock = cf::lock_acquire "map_data:$self->{path}";
2306
2307 $self->_save;
2308}
2309
1956sub swap_out { 2310sub swap_out {
1957 my ($self) = @_; 2311 my ($self) = @_;
1958 2312
1959 # save first because save cedes
1960 $self->save;
1961
1962 my $lock = cf::lock_acquire "map_data:" . $self->path; 2313 my $lock = cf::lock_acquire "map_data:$self->{path}";
1963 2314
2315 return if $self->in_memory != cf::MAP_ACTIVE;
2316 return if $self->{deny_save};
1964 return if $self->players; 2317 return if $self->players;
1965 return if $self->in_memory != cf::MAP_IN_MEMORY;
1966 return if $self->{deny_save};
1967 2318
2319 # first deactivate the map and "unlink" it from the core
2320 $self->deactivate;
2321 $_->clear_links_to ($self) for values %cf::MAP;
2322 $self->in_memory (cf::MAP_SWAPPED);
2323
2324 # then atomically save
2325 $self->_save;
2326
2327 # then free the map
1968 $self->clear; 2328 $self->clear;
1969 $self->in_memory (cf::MAP_SWAPPED);
1970} 2329}
1971 2330
1972sub reset_at { 2331sub reset_at {
1973 my ($self) = @_; 2332 my ($self) = @_;
1974 2333
1992 2351
1993 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2352 my $lock = cf::lock_acquire "map_data:$self->{path}";
1994 2353
1995 return if $self->players; 2354 return if $self->players;
1996 2355
1997 warn "resetting map ", $self->path; 2356 cf::trace "resetting map ", $self->path, "\n";
1998 2357
1999 $self->in_memory (cf::MAP_SWAPPED); 2358 $self->in_memory (cf::MAP_SWAPPED);
2000 2359
2001 # need to save uniques path 2360 # need to save uniques path
2002 unless ($self->{deny_save}) { 2361 unless ($self->{deny_save}) {
2006 if $uniq; 2365 if $uniq;
2007 } 2366 }
2008 2367
2009 delete $cf::MAP{$self->path}; 2368 delete $cf::MAP{$self->path};
2010 2369
2370 $self->deactivate;
2371 $_->clear_links_to ($self) for values %cf::MAP;
2011 $self->clear; 2372 $self->clear;
2012
2013 $_->clear_links_to ($self) for values %cf::MAP;
2014 2373
2015 $self->unlink_save; 2374 $self->unlink_save;
2016 $self->destroy; 2375 $self->destroy;
2017} 2376}
2018 2377
2019my $nuke_counter = "aaaa"; 2378my $nuke_counter = "aaaa";
2020 2379
2021sub nuke { 2380sub nuke {
2022 my ($self) = @_; 2381 my ($self) = @_;
2023 2382
2383 {
2384 my $lock = cf::lock_acquire "map_data:$self->{path}";
2385
2024 delete $cf::MAP{$self->path}; 2386 delete $cf::MAP{$self->path};
2025 2387
2026 $self->unlink_save; 2388 $self->unlink_save;
2027 2389
2028 bless $self, "cf::map"; 2390 bless $self, "cf::map::wrap";
2029 delete $self->{deny_reset}; 2391 delete $self->{deny_reset};
2030 $self->{deny_save} = 1; 2392 $self->{deny_save} = 1;
2031 $self->reset_timeout (1); 2393 $self->reset_timeout (1);
2032 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2394 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033 2395
2034 $cf::MAP{$self->path} = $self; 2396 $cf::MAP{$self->path} = $self;
2397 }
2035 2398
2036 $self->reset; # polite request, might not happen 2399 $self->reset; # polite request, might not happen
2037} 2400}
2038 2401
2039=item $maps = cf::map::tmp_maps 2402=item $maps = cf::map::tmp_maps
2081 2444
2082sub unique_maps() { 2445sub unique_maps() {
2083 [ 2446 [
2084 map { 2447 map {
2085 utf8::decode $_; 2448 utf8::decode $_;
2086 /\.map$/ 2449 s/\.map$//; # TODO future compatibility hack
2450 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
2451 ? ()
2087 ? normalise $_ 2452 : normalise $_
2088 : ()
2089 } @{ aio_readdir $UNIQUEDIR or [] } 2453 } @{ aio_readdir $UNIQUEDIR or [] }
2090 ] 2454 ]
2091} 2455}
2092 2456
2093package cf; 2457=item cf::map::static_maps
2458
2459Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2460file in the shared directory excluding F</styles> and F</editor>). May
2461block.
2462
2463=cut
2464
2465sub static_maps() {
2466 my @dirs = "";
2467 my @maps;
2468
2469 while (@dirs) {
2470 my $dir = shift @dirs;
2471
2472 next if $dir eq "/styles" || $dir eq "/editor";
2473
2474 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2475 or return;
2476
2477 for (@$files) {
2478 s/\.map$// or next;
2479 utf8::decode $_;
2480 push @maps, "$dir/$_";
2481 }
2482
2483 push @dirs, map "$dir/$_", @$dirs;
2484 }
2485
2486 \@maps
2487}
2094 2488
2095=back 2489=back
2096 2490
2097=head3 cf::object 2491=head3 cf::object
2098 2492
2102 2496
2103=over 4 2497=over 4
2104 2498
2105=item $ob->inv_recursive 2499=item $ob->inv_recursive
2106 2500
2107Returns the inventory of the object _and_ their inventories, recursively. 2501Returns the inventory of the object I<and> their inventories, recursively,
2502but I<not> the object itself.
2108 2503
2109=cut 2504=cut
2110 2505
2111sub inv_recursive_; 2506sub inv_recursive_;
2112sub inv_recursive_ { 2507sub inv_recursive_ {
2115 2510
2116sub inv_recursive { 2511sub inv_recursive {
2117 inv_recursive_ inv $_[0] 2512 inv_recursive_ inv $_[0]
2118} 2513}
2119 2514
2515=item $ref = $ob->ref
2516
2517Creates and returns a persistent reference to an object that can be stored as a string.
2518
2519=item $ob = cf::object::deref ($refstring)
2520
2521returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2522even if the object actually exists. May block.
2523
2524=cut
2525
2526sub deref {
2527 my ($ref) = @_;
2528
2529 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2530 my ($uuid, $name) = ($1, $2);
2531 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2532 or return;
2533 $pl->ob->uuid eq $uuid
2534 or return;
2535
2536 $pl->ob
2537 } else {
2538 warn "$ref: cannot resolve object reference\n";
2539 undef
2540 }
2541}
2542
2120package cf; 2543package cf;
2121 2544
2122=back 2545=back
2123 2546
2124=head3 cf::object::player 2547=head3 cf::object::player
2130Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2553Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131can be C<undef>. Does the right thing when the player is currently in a 2554can be C<undef>. Does the right thing when the player is currently in a
2132dialogue with the given NPC character. 2555dialogue with the given NPC character.
2133 2556
2134=cut 2557=cut
2558
2559our $SAY_CHANNEL = {
2560 id => "say",
2561 title => "Map",
2562 reply => "say ",
2563 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2564};
2565
2566our $CHAT_CHANNEL = {
2567 id => "chat",
2568 title => "Chat",
2569 reply => "chat ",
2570 tooltip => "Player chat and shouts, global to the server.",
2571};
2135 2572
2136# rough implementation of a future "reply" method that works 2573# rough implementation of a future "reply" method that works
2137# with dialog boxes. 2574# with dialog boxes.
2138#TODO: the first argument must go, split into a $npc->reply_to ( method 2575#TODO: the first argument must go, split into a $npc->reply_to ( method
2139sub cf::object::player::reply($$$;$) { 2576sub cf::object::player::reply($$$;$) {
2146 2583
2147 } else { 2584 } else {
2148 my $pl = $self->contr; 2585 my $pl = $self->contr;
2149 2586
2150 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) { 2587 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151 my $diag = $pl->{npc_dialog}; 2588 my $dialog = $pl->{npc_dialog};
2152 $diag->{pl}->ext_reply ( 2589 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153 $diag->{id},
2154 msgtype => "reply",
2155 msg => $diag->{pl}->expand_cfpod ($msg),
2156 add_topics => []
2157 );
2158 2590
2159 } else { 2591 } else {
2160 $msg = $npc->name . " says: $msg" if $npc; 2592 $msg = $npc->name . " says: $msg" if $npc;
2161 $self->message ($msg, $flags); 2593 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162 } 2594 }
2163 } 2595 }
2596}
2597
2598=item $object->send_msg ($channel, $msg, $color, [extra...])
2599
2600=cut
2601
2602sub cf::object::send_msg {
2603 my $pl = shift->contr
2604 or return;
2605 $pl->send_msg (@_);
2164} 2606}
2165 2607
2166=item $player_object->may ("access") 2608=item $player_object->may ("access")
2167 2609
2168Returns wether the given player is authorized to access resource "access" 2610Returns wether the given player is authorized to access resource "access"
2181 2623
2182=item $player_object->enter_link 2624=item $player_object->enter_link
2183 2625
2184Freezes the player and moves him/her to a special map (C<{link}>). 2626Freezes the player and moves him/her to a special map (C<{link}>).
2185 2627
2186The player should be reasonably safe there for short amounts of time. You 2628The player should be reasonably safe there for short amounts of time (e.g.
2187I<MUST> call C<leave_link> as soon as possible, though. 2629for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2630though, as the player cannot control the character while it is on the link
2631map.
2188 2632
2189Will never block. 2633Will never block.
2190 2634
2191=item $player_object->leave_link ($map, $x, $y) 2635=item $player_object->leave_link ($map, $x, $y)
2192 2636
2212sub cf::object::player::enter_link { 2656sub cf::object::player::enter_link {
2213 my ($self) = @_; 2657 my ($self) = @_;
2214 2658
2215 $self->deactivate_recursive; 2659 $self->deactivate_recursive;
2216 2660
2661 ++$self->{_link_recursion};
2662
2217 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2663 return if UNIVERSAL::isa $self->map, "ext::map_link";
2218 2664
2219 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2665 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220 if $self->map && $self->map->{path} ne "{link}"; 2666 if $self->map && $self->map->{path} ne "{link}";
2221 2667
2222 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2668 $self->enter_map ($LINK_MAP || link_map, 3, 3);
2223} 2669}
2224 2670
2225sub cf::object::player::leave_link { 2671sub cf::object::player::leave_link {
2226 my ($self, $map, $x, $y) = @_; 2672 my ($self, $map, $x, $y) = @_;
2227 2673
2244 ($x, $y) = (-1, -1) 2690 ($x, $y) = (-1, -1)
2245 unless (defined $x) && (defined $y); 2691 unless (defined $x) && (defined $y);
2246 2692
2247 # use -1 or undef as default coordinates, not 0, 0 2693 # use -1 or undef as default coordinates, not 0, 0
2248 ($x, $y) = ($map->enter_x, $map->enter_y) 2694 ($x, $y) = ($map->enter_x, $map->enter_y)
2249 if $x <=0 && $y <= 0; 2695 if $x <= 0 && $y <= 0;
2250 2696
2251 $map->load; 2697 $map->load;
2252 $map->load_diag; 2698 $map->load_neighbours;
2253 2699
2254 return unless $self->contr->active; 2700 return unless $self->contr->active;
2255 $self->activate_recursive;
2256 2701
2257 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2702 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258 $self->enter_map ($map, $x, $y); 2703 if ($self->enter_map ($map, $x, $y)) {
2259} 2704 # entering was successful
2705 delete $self->{_link_recursion};
2706 # only activate afterwards, to support waiting in hooks
2707 $self->activate_recursive;
2708 }
2260 2709
2710}
2711
2261=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]]) 2712=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262 2713
2263Moves the player to the given map-path and coordinates by first freezing 2714Moves the player to the given map-path and coordinates by first freezing
2264her, loading and preparing them map, calling the provided $check callback 2715her, loading and preparing them map, calling the provided $check callback
2265that has to return the map if sucecssful, and then unfreezes the player on 2716that has to return the map if sucecssful, and then unfreezes the player on
2266the new (success) or old (failed) map position. In either case, $done will 2717the new (success) or old (failed) map position. In either case, $done will
2267be called at the end of this process. 2718be called at the end of this process.
2268 2719
2720Note that $check will be called with a potentially non-loaded map, so if
2721it needs a loaded map it has to call C<< ->load >>.
2722
2269=cut 2723=cut
2270 2724
2271our $GOTOGEN; 2725our $GOTOGEN;
2272 2726
2273sub cf::object::player::goto { 2727sub cf::object::player::goto {
2274 my ($self, $path, $x, $y, $check, $done) = @_; 2728 my ($self, $path, $x, $y, $check, $done) = @_;
2275 2729
2730 if ($self->{_link_recursion} >= $MAX_LINKS) {
2731 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2732 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2733 ($path, $x, $y) = @$EMERGENCY_POSITION;
2734 }
2735
2276 # do generation counting so two concurrent goto's will be executed in-order 2736 # do generation counting so two concurrent goto's will be executed in-order
2277 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2737 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278 2738
2279 $self->enter_link; 2739 $self->enter_link;
2280 2740
2281 (async { 2741 (async {
2742 $Coro::current->{desc} = "player::goto $path $x $y";
2743
2744 # *tag paths override both path and x|y
2745 if ($path =~ /^\*(.*)$/) {
2746 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2747 my $ob = $obs[rand @obs];
2748
2749 # see if we actually can go there
2750 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2751 $ob = $obs[rand @obs];
2752 } else {
2753 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2754 }
2755 # else put us there anyways for now #d#
2756
2757 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2758 } else {
2759 ($path, $x, $y) = (undef, undef, undef);
2760 }
2761 }
2762
2282 my $map = eval { 2763 my $map = eval {
2283 my $map = cf::map::find $path; 2764 my $map = defined $path ? cf::map::find $path : undef;
2284 2765
2285 if ($map) { 2766 if ($map) {
2286 $map = $map->customise_for ($self); 2767 $map = $map->customise_for ($self);
2287 $map = $check->($map) if $check && $map; 2768 $map = $check->($map, $x, $y, $self) if $check && $map;
2288 } else { 2769 } else {
2289 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2770 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290 } 2771 }
2291 2772
2292 $map 2773 $map
2293 }; 2774 };
2294 2775
2300 if ($gen == $self->{_goto_generation}) { 2781 if ($gen == $self->{_goto_generation}) {
2301 delete $self->{_goto_generation}; 2782 delete $self->{_goto_generation};
2302 $self->leave_link ($map, $x, $y); 2783 $self->leave_link ($map, $x, $y);
2303 } 2784 }
2304 2785
2305 $done->() if $done; 2786 $done->($self) if $done;
2306 })->prio (1); 2787 })->prio (1);
2307} 2788}
2308 2789
2309=item $player_object->enter_exit ($exit_object) 2790=item $player_object->enter_exit ($exit_object)
2310 2791
2330} 2811}
2331 2812
2332sub prepare_random_map { 2813sub prepare_random_map {
2333 my ($exit) = @_; 2814 my ($exit) = @_;
2334 2815
2335 my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337 # all this does is basically replace the /! path by 2816 # all this does is basically replace the /! path by
2338 # a new random map path (?random/...) with a seed 2817 # a new random map path (?random/...) with a seed
2339 # that depends on the exit object 2818 # that depends on the exit object
2340 2819
2341 my $rmp = parse_random_map_params $exit->msg; 2820 my $rmp = parse_random_map_params $exit->msg;
2343 if ($exit->map) { 2822 if ($exit->map) {
2344 $rmp->{region} = $exit->region->name; 2823 $rmp->{region} = $exit->region->name;
2345 $rmp->{origin_map} = $exit->map->path; 2824 $rmp->{origin_map} = $exit->map->path;
2346 $rmp->{origin_x} = $exit->x; 2825 $rmp->{origin_x} = $exit->x;
2347 $rmp->{origin_y} = $exit->y; 2826 $rmp->{origin_y} = $exit->y;
2827
2828 $exit->map->touch;
2348 } 2829 }
2349 2830
2350 $rmp->{random_seed} ||= $exit->random_seed; 2831 $rmp->{random_seed} ||= $exit->random_seed;
2351 2832
2352 my $data = cf::to_json $rmp; 2833 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353 my $md5 = Digest::MD5::md5_hex $data; 2834 my $md5 = Digest::MD5::md5_hex $data;
2354 my $meta = "$RANDOMDIR/$md5.meta"; 2835 my $meta = "$RANDOMDIR/$md5.meta";
2355 2836
2356 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2837 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357 aio_write $fh, 0, (length $data), $data, 0; 2838 aio_write $fh, 0, (length $data), $data, 0;
2358 undef $fh; 2839 undef $fh;
2359 aio_rename "$meta~", $meta; 2840 aio_rename "$meta~", $meta;
2360 2841
2842 my $slaying = "?random/$md5";
2843
2844 if ($exit->valid) {
2361 $exit->slaying ("?random/$md5"); 2845 $exit->slaying ("?random/$md5");
2362 $exit->msg (undef); 2846 $exit->msg (undef);
2847 }
2363 } 2848 }
2364} 2849}
2365 2850
2366sub cf::object::player::enter_exit { 2851sub cf::object::player::enter_exit {
2367 my ($self, $exit) = @_; 2852 my ($self, $exit) = @_;
2368 2853
2369 return unless $self->type == cf::PLAYER; 2854 return unless $self->type == cf::PLAYER;
2370 2855
2371 if ($exit->slaying eq "/!") {
2372 #TODO: this should de-fi-ni-te-ly not be a sync-job
2373 # the problem is that $exit might not survive long enough
2374 # so it needs to be done right now, right here
2375 cf::sync_job { prepare_random_map $exit };
2376 }
2377
2378 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379 my $hp = $exit->stats->hp;
2380 my $sp = $exit->stats->sp;
2381
2382 $self->enter_link; 2856 $self->enter_link;
2383 2857
2384 # if exit is damned, update players death & WoR home-position
2385 $self->contr->savebed ($slaying, $hp, $sp)
2386 if $exit->flag (FLAG_DAMNED);
2387
2388 (async { 2858 (async {
2389 $self->deactivate_recursive; # just to be sure 2859 $Coro::current->{desc} = "enter_exit";
2860
2390 unless (eval { 2861 unless (eval {
2862 $self->deactivate_recursive; # just to be sure
2863
2864 # random map handling
2865 {
2866 my $guard = cf::lock_acquire "exit_prepare:$exit";
2867
2868 prepare_random_map $exit
2869 if $exit->slaying eq "/!";
2870 }
2871
2872 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2873 my $x = $exit->stats->hp;
2874 my $y = $exit->stats->sp;
2875
2391 $self->goto ($slaying, $hp, $sp); 2876 $self->goto ($map, $x, $y);
2392 2877
2878 # if exit is damned, update players death & WoR home-position
2879 $self->contr->savebed ($map, $x, $y)
2880 if $exit->flag (cf::FLAG_DAMNED);
2881
2393 1; 2882 1
2394 }) { 2883 }) {
2395 $self->message ("Something went wrong deep within the crossfire server. " 2884 $self->message ("Something went wrong deep within the deliantra server. "
2396 . "I'll try to bring you back to the map you were before. " 2885 . "I'll try to bring you back to the map you were before. "
2397 . "Please report this to the dungeon master!", 2886 . "Please report this to the dungeon master!",
2398 cf::NDI_UNIQUE | cf::NDI_RED); 2887 cf::NDI_UNIQUE | cf::NDI_RED);
2399 2888
2400 warn "ERROR in enter_exit: $@"; 2889 error "ERROR in enter_exit: $@";
2401 $self->leave_link; 2890 $self->leave_link;
2402 } 2891 }
2403 })->prio (1); 2892 })->prio (1);
2404} 2893}
2405 2894
2419 2908
2420 utf8::encode $text; 2909 utf8::encode $text;
2421 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2910 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422} 2911}
2423 2912
2913=item $client->send_big_packet ($pkt)
2914
2915Like C<send_packet>, but tries to compress large packets, and fragments
2916them as required.
2917
2918=cut
2919
2920our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2921
2922sub cf::client::send_big_packet {
2923 my ($self, $pkt) = @_;
2924
2925 # try lzf for large packets
2926 $pkt = "lzf " . Compress::LZF::compress $pkt
2927 if 1024 <= length $pkt and $self->{can_lzf};
2928
2929 # split very large packets
2930 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2931 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2932 $pkt = "frag";
2933 }
2934
2935 $self->send_packet ($pkt);
2936}
2937
2424=item $client->send_msg ($color, $type, $msg, [extra...]) 2938=item $client->send_msg ($channel, $msg, $color, [extra...])
2425 2939
2426Send a drawinfo or msg packet to the client, formatting the msg for the 2940Send a drawinfo or msg packet to the client, formatting the msg for the
2427client if neccessary. C<$type> should be a string identifying the type of 2941client if neccessary. C<$type> should be a string identifying the type of
2428the message, with C<log> being the default. If C<$color> is negative, suppress 2942the message, with C<log> being the default. If C<$color> is negative, suppress
2429the message unless the client supports the msg packet. 2943the message unless the client supports the msg packet.
2430 2944
2431=cut 2945=cut
2432 2946
2947# non-persistent channels (usually the info channel)
2948our %CHANNEL = (
2949 "c/motd" => {
2950 id => "infobox",
2951 title => "MOTD",
2952 reply => undef,
2953 tooltip => "The message of the day",
2954 },
2955 "c/identify" => {
2956 id => "infobox",
2957 title => "Identify",
2958 reply => undef,
2959 tooltip => "Items recently identified",
2960 },
2961 "c/examine" => {
2962 id => "infobox",
2963 title => "Examine",
2964 reply => undef,
2965 tooltip => "Signs and other items you examined",
2966 },
2967 "c/shopinfo" => {
2968 id => "infobox",
2969 title => "Shop Info",
2970 reply => undef,
2971 tooltip => "What your bargaining skill tells you about the shop",
2972 },
2973 "c/book" => {
2974 id => "infobox",
2975 title => "Book",
2976 reply => undef,
2977 tooltip => "The contents of a note or book",
2978 },
2979 "c/lookat" => {
2980 id => "infobox",
2981 title => "Look",
2982 reply => undef,
2983 tooltip => "What you saw there",
2984 },
2985 "c/who" => {
2986 id => "infobox",
2987 title => "Players",
2988 reply => undef,
2989 tooltip => "Shows players who are currently online",
2990 },
2991 "c/body" => {
2992 id => "infobox",
2993 title => "Body Parts",
2994 reply => undef,
2995 tooltip => "Shows which body parts you posess and are available",
2996 },
2997 "c/statistics" => {
2998 id => "infobox",
2999 title => "Statistics",
3000 reply => undef,
3001 tooltip => "Shows your primary statistics",
3002 },
3003 "c/skills" => {
3004 id => "infobox",
3005 title => "Skills",
3006 reply => undef,
3007 tooltip => "Shows your experience per skill and item power",
3008 },
3009 "c/shopitems" => {
3010 id => "infobox",
3011 title => "Shop Items",
3012 reply => undef,
3013 tooltip => "Shows the items currently for sale in this shop",
3014 },
3015 "c/resistances" => {
3016 id => "infobox",
3017 title => "Resistances",
3018 reply => undef,
3019 tooltip => "Shows your resistances",
3020 },
3021 "c/pets" => {
3022 id => "infobox",
3023 title => "Pets",
3024 reply => undef,
3025 tooltip => "Shows information abotu your pets/a specific pet",
3026 },
3027 "c/perceiveself" => {
3028 id => "infobox",
3029 title => "Perceive Self",
3030 reply => undef,
3031 tooltip => "You gained detailed knowledge about yourself",
3032 },
3033 "c/uptime" => {
3034 id => "infobox",
3035 title => "Uptime",
3036 reply => undef,
3037 tooltip => "How long the server has been running since last restart",
3038 },
3039 "c/mapinfo" => {
3040 id => "infobox",
3041 title => "Map Info",
3042 reply => undef,
3043 tooltip => "Information related to the maps",
3044 },
3045 "c/party" => {
3046 id => "party",
3047 title => "Party",
3048 reply => "gsay ",
3049 tooltip => "Messages and chat related to your party",
3050 },
3051 "c/death" => {
3052 id => "death",
3053 title => "Death",
3054 reply => undef,
3055 tooltip => "Reason for and more info about your most recent death",
3056 },
3057 "c/say" => $SAY_CHANNEL,
3058 "c/chat" => $CHAT_CHANNEL,
3059);
3060
2433sub cf::client::send_msg { 3061sub cf::client::send_msg {
2434 my ($self, $color, $type, $msg, @extra) = @_; 3062 my ($self, $channel, $msg, $color, @extra) = @_;
2435 3063
2436 $msg = $self->pl->expand_cfpod ($msg); 3064 $msg = $self->pl->expand_cfpod ($msg)
3065 unless $color & cf::NDI_VERBATIM;
3066
3067 $color &= cf::NDI_CLIENT_MASK; # just in case...
3068
3069 # check predefined channels, for the benefit of C
3070 if ($CHANNEL{$channel}) {
3071 $channel = $CHANNEL{$channel};
3072
3073 $self->ext_msg (channel_info => $channel);
3074 $channel = $channel->{id};
3075
3076 } elsif (ref $channel) {
3077 # send meta info to client, if not yet sent
3078 unless (exists $self->{channel}{$channel->{id}}) {
3079 $self->{channel}{$channel->{id}} = $channel;
3080 $self->ext_msg (channel_info => $channel);
3081 }
3082
3083 $channel = $channel->{id};
3084 }
2437 3085
2438 return unless @extra || length $msg; 3086 return unless @extra || length $msg;
2439 3087
2440 if ($self->can_msg) { 3088 # default colour, mask it out
2441 $self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra])); 3089 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442 } else { 3090 if $color & cf::NDI_DEF;
2443 # replace some tags by gcfclient-compatible ones
2444 for ($msg) {
2445 1 while
2446 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451 }
2452 3091
2453 if ($color >= 0) { 3092 my $pkt = "msg "
2454 if (0 && $msg =~ /\[/) { 3093 . $self->{json_coder}->encode (
2455 $self->send_packet ("drawextinfo $color 4 0 $msg") 3094 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456 } else { 3095 );
2457 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458 $self->send_packet ("drawinfo $color $msg")
2459 }
2460 }
2461 }
2462}
2463 3096
3097 $self->send_big_packet ($pkt);
3098}
3099
2464=item $client->ext_event ($type, %msg) 3100=item $client->ext_msg ($type, @msg)
2465 3101
2466Sends an ext event to the client. 3102Sends an ext event to the client.
2467 3103
2468=cut 3104=cut
2469 3105
2470sub cf::client::ext_event($$%) { 3106sub cf::client::ext_msg($$@) {
2471 my ($self, $type, %msg) = @_; 3107 my ($self, $type, @msg) = @_;
2472 3108
2473 return unless $self->extcmd; 3109 if ($self->extcmd == 2) {
2474 3110 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3111 } elsif ($self->extcmd == 1) { # TODO: remove
2475 $msg{msgtype} = "event_$type"; 3112 push @msg, msgtype => "event_$type";
2476 $self->send_packet ("ext " . $self->{json_coder}->encode (\%msg)); 3113 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3114 }
3115}
3116
3117=item $client->ext_reply ($msgid, @msg)
3118
3119Sends an ext reply to the client.
3120
3121=cut
3122
3123sub cf::client::ext_reply($$@) {
3124 my ($self, $id, @msg) = @_;
3125
3126 if ($self->extcmd == 2) {
3127 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3128 } elsif ($self->extcmd == 1) {
3129 #TODO: version 1, remove
3130 unshift @msg, msgtype => "reply", msgid => $id;
3131 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3132 }
2477} 3133}
2478 3134
2479=item $success = $client->query ($flags, "text", \&cb) 3135=item $success = $client->query ($flags, "text", \&cb)
2480 3136
2481Queues a query to the client, calling the given callback with 3137Queues a query to the client, calling the given callback with
2536 my ($ns, $buf) = @_; 3192 my ($ns, $buf) = @_;
2537 3193
2538 my $msg = eval { $ns->{json_coder}->decode ($buf) }; 3194 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539 3195
2540 if (ref $msg) { 3196 if (ref $msg) {
3197 my ($type, $reply, @payload) =
3198 "ARRAY" eq ref $msg
3199 ? @$msg
3200 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3201
3202 my @reply;
3203
2541 if (my $cb = $EXTICMD{$msg->{msgtype}}) { 3204 if (my $cb = $EXTICMD{$type}) {
2542 if (my %reply = $cb->($ns, $msg)) { 3205 @reply = $cb->($ns, @payload);
2543 $reply{msgid} = $msg->{msgid};
2544 $ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545 }
2546 } 3206 }
3207
3208 $ns->ext_reply ($reply, @reply)
3209 if $reply;
3210
2547 } else { 3211 } else {
2548 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 3212 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549 } 3213 }
2550 3214
2551 cf::override; 3215 cf::override;
2552 }, 3216 },
2553); 3217);
2573 3237
2574 $coro 3238 $coro
2575} 3239}
2576 3240
2577cf::client->attach ( 3241cf::client->attach (
2578 on_destroy => sub { 3242 on_client_destroy => sub {
2579 my ($ns) = @_; 3243 my ($ns) = @_;
2580 3244
2581 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3245 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582 }, 3246 },
2583); 3247);
2598our $safe = new Safe "safe"; 3262our $safe = new Safe "safe";
2599our $safe_hole = new Safe::Hole; 3263our $safe_hole = new Safe::Hole;
2600 3264
2601$SIG{FPE} = 'IGNORE'; 3265$SIG{FPE} = 'IGNORE';
2602 3266
2603$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3267$safe->permit_only (Opcode::opset qw(
3268 :base_core :base_mem :base_orig :base_math :base_loop
3269 grepstart grepwhile mapstart mapwhile
3270 sort time
3271));
2604 3272
2605# here we export the classes and methods available to script code 3273# here we export the classes and methods available to script code
2606 3274
2607=pod 3275=pod
2608 3276
2609The following functions and methods are available within a safe environment: 3277The following functions and methods are available within a safe environment:
2610 3278
2611 cf::object 3279 cf::object
2612 contr pay_amount pay_player map x y force_find force_add 3280 contr pay_amount pay_player map x y force_find force_add destroy
2613 insert remove 3281 insert remove name archname title slaying race decrease split
3282 value
2614 3283
2615 cf::object::player 3284 cf::object::player
2616 player 3285 player
2617 3286
2618 cf::player 3287 cf::player
2623 3292
2624=cut 3293=cut
2625 3294
2626for ( 3295for (
2627 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 3296 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628 insert remove)], 3297 insert remove inv nrof name archname title slaying race
3298 decrease split destroy change_exp value msg lore send_msg)],
2629 ["cf::object::player" => qw(player)], 3299 ["cf::object::player" => qw(player)],
2630 ["cf::player" => qw(peaceful)], 3300 ["cf::player" => qw(peaceful send_msg)],
2631 ["cf::map" => qw(trigger)], 3301 ["cf::map" => qw(trigger)],
2632) { 3302) {
2633 no strict 'refs';
2634 my ($pkg, @funs) = @$_; 3303 my ($pkg, @funs) = @$_;
2635 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3304 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636 for @funs; 3305 for @funs;
2637} 3306}
2638 3307
2653 3322
2654 my $qcode = $code; 3323 my $qcode = $code;
2655 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3324 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2656 $qcode =~ s/\n/\\n/g; 3325 $qcode =~ s/\n/\\n/g;
2657 3326
3327 %vars = (_dummy => 0) unless %vars;
3328
3329 my @res;
2658 local $_; 3330 local $_;
2659 local @safe::cf::_safe_eval_args = values %vars;
2660 3331
2661 my $eval = 3332 my $eval =
2662 "do {\n" 3333 "do {\n"
2663 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3334 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664 . "#line 0 \"{$qcode}\"\n" 3335 . "#line 0 \"{$qcode}\"\n"
2665 . $code 3336 . $code
2666 . "\n}" 3337 . "\n}"
2667 ; 3338 ;
2668 3339
3340 if ($CFG{safe_eval}) {
2669 sub_generation_inc; 3341 sub_generation_inc;
3342 local @safe::cf::_safe_eval_args = values %vars;
2670 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3343 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671 sub_generation_inc; 3344 sub_generation_inc;
3345 } else {
3346 local @cf::_safe_eval_args = values %vars;
3347 @res = wantarray ? eval eval : scalar eval $eval;
3348 }
2672 3349
2673 if ($@) { 3350 if ($@) {
2674 warn "$@"; 3351 warn "$@",
2675 warn "while executing safe code '$code'\n"; 3352 "while executing safe code '$code'\n",
2676 warn "with arguments " . (join " ", %vars) . "\n"; 3353 "with arguments " . (join " ", %vars) . "\n";
2677 } 3354 }
2678 3355
2679 wantarray ? @res : $res[0] 3356 wantarray ? @res : $res[0]
2680} 3357}
2681 3358
2695=cut 3372=cut
2696 3373
2697sub register_script_function { 3374sub register_script_function {
2698 my ($fun, $cb) = @_; 3375 my ($fun, $cb) = @_;
2699 3376
2700 no strict 'refs'; 3377 $fun = "safe::$fun" if $CFG{safe_eval};
2701 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3378 *$fun = $safe_hole->wrap ($cb);
2702} 3379}
2703 3380
2704=back 3381=back
2705 3382
2706=cut 3383=cut
2709# the server's init and main functions 3386# the server's init and main functions
2710 3387
2711sub load_facedata($) { 3388sub load_facedata($) {
2712 my ($path) = @_; 3389 my ($path) = @_;
2713 3390
3391 # HACK to clear player env face cache, we need some signal framework
3392 # for this (global event?)
3393 %ext::player_env::MUSIC_FACE_CACHE = ();
3394
3395 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3396
2714 warn "loading facedata from $path\n"; 3397 trace "loading facedata from $path\n";
2715 3398
2716 my $facedata;
2717 0 < aio_load $path, $facedata 3399 0 < aio_load $path, my $facedata
2718 or die "$path: $!"; 3400 or die "$path: $!";
2719 3401
2720 $facedata = Coro::Storable::thaw $facedata; 3402 $facedata = Coro::Storable::thaw $facedata;
2721 3403
2722 $facedata->{version} == 2 3404 $facedata->{version} == 2
2723 or cf::cleanup "$path: version mismatch, cannot proceed."; 3405 or cf::cleanup "$path: version mismatch, cannot proceed.";
2724 3406
3407 # patch in the exptable
3408 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3409 $facedata->{resource}{"res/exp_table"} = {
3410 type => FT_RSRC,
3411 data => $exp_table,
3412 hash => (Digest::MD5::md5 $exp_table),
3413 };
3414 cf::cede_to_tick;
3415
2725 { 3416 {
2726 my $faces = $facedata->{faceinfo}; 3417 my $faces = $facedata->{faceinfo};
2727 3418
2728 while (my ($face, $info) = each %$faces) { 3419 while (my ($face, $info) = each %$faces) {
2729 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3420 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3421
2730 cf::face::set_visibility $idx, $info->{visibility}; 3422 cf::face::set_visibility $idx, $info->{visibility};
2731 cf::face::set_magicmap $idx, $info->{magicmap}; 3423 cf::face::set_magicmap $idx, $info->{magicmap};
2732 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3424 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3425 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2734 3426
2735 cf::cede_to_tick; 3427 cf::cede_to_tick;
2736 } 3428 }
2737 3429
2738 while (my ($face, $info) = each %$faces) { 3430 while (my ($face, $info) = each %$faces) {
2739 next unless $info->{smooth}; 3431 next unless $info->{smooth};
3432
2740 my $idx = cf::face::find $face 3433 my $idx = cf::face::find $face
2741 or next; 3434 or next;
3435
2742 if (my $smooth = cf::face::find $info->{smooth}) { 3436 if (my $smooth = cf::face::find $info->{smooth}) {
2743 cf::face::set_smooth $idx, $smooth; 3437 cf::face::set_smooth $idx, $smooth;
2744 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3438 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745 } else { 3439 } else {
2746 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3440 error "smooth face '$info->{smooth}' not found for face '$face'";
2747 } 3441 }
2748 3442
2749 cf::cede_to_tick; 3443 cf::cede_to_tick;
2750 } 3444 }
2751 } 3445 }
2760 3454
2761 cf::anim::invalidate_all; # d'oh 3455 cf::anim::invalidate_all; # d'oh
2762 } 3456 }
2763 3457
2764 { 3458 {
2765 # TODO: for gcfclient pleasure, we should give resources
2766 # that gcfclient doesn't grok a >10000 face index.
2767 my $res = $facedata->{resource}; 3459 my $res = $facedata->{resource};
2768 my $enc = JSON::XS->new->utf8->canonical;
2769 3460
2770 while (my ($name, $info) = each %$res) { 3461 while (my ($name, $info) = each %$res) {
2771 my $meta = $enc->encode ({ 3462 if (defined $info->{type}) {
2772 name => $name,
2773 type => $info->{type},
2774 copyright => $info->{copyright}, #TODO#
2775 });
2776
2777 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3463 my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778 3464
2779 if ($name =~ /\.jpg$/) {
2780 cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack 3465 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781 cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack 3466 cf::face::set_type $idx, $info->{type};
2782 } else { 3467 } else {
2783 my $data = pack "(w/a*)*", $meta, $info->{data}; 3468 $RESOURCE{$name} = $info; # unused
2784 my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786 cf::face::set_type $idx, 1;
2787 cf::face::set_data $idx, 0, $data, $chk;
2788 } 3469 }
2789 3470
2790 cf::cede_to_tick; 3471 cf::cede_to_tick;
2791 } 3472 }
2792 } 3473 }
2793 3474
3475 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3476
2794 1 3477 1
2795} 3478}
2796 3479
3480register_exticmd fx_want => sub {
3481 my ($ns, $want) = @_;
3482
3483 while (my ($k, $v) = each %$want) {
3484 $ns->fx_want ($k, $v);
3485 }
3486};
3487
3488sub load_resource_file($) {
3489 my $guard = lock_acquire "load_resource_file";
3490
3491 my $status = load_resource_file_ $_[0];
3492 get_slot 0.1, 100;
3493 cf::arch::commit_load;
3494
3495 $status
3496}
3497
2797sub reload_regions { 3498sub reload_regions {
3499 # HACK to clear player env face cache, we need some signal framework
3500 # for this (global event?)
3501 %ext::player_env::MUSIC_FACE_CACHE = ();
3502
2798 load_resource_file "$MAPDIR/regions" 3503 load_resource_file "$MAPDIR/regions"
2799 or die "unable to load regions file\n"; 3504 or die "unable to load regions file\n";
2800 3505
2801 for (cf::region::list) { 3506 for (cf::region::list) {
2802 $_->{match} = qr/$_->{match}/ 3507 $_->{match} = qr/$_->{match}/
2810} 3515}
2811 3516
2812sub reload_archetypes { 3517sub reload_archetypes {
2813 load_resource_file "$DATADIR/archetypes" 3518 load_resource_file "$DATADIR/archetypes"
2814 or die "unable to load archetypes\n"; 3519 or die "unable to load archetypes\n";
2815 #d# NEED to laod twice to resolve forward references
2816 # this really needs to be done in an extra post-pass
2817 # (which needs to be synchronous, so solve it differently)
2818 load_resource_file "$DATADIR/archetypes"
2819 or die "unable to load archetypes\n";
2820} 3520}
2821 3521
2822sub reload_treasures { 3522sub reload_treasures {
2823 load_resource_file "$DATADIR/treasures" 3523 load_resource_file "$DATADIR/treasures"
2824 or die "unable to load treasurelists\n"; 3524 or die "unable to load treasurelists\n";
2825} 3525}
2826 3526
3527sub reload_sound {
3528 trace "loading sound config from $DATADIR/sound\n";
3529
3530 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3531 or die "$DATADIR/sound $!";
3532
3533 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3534
3535 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3536 my $sound = $soundconf->{compat}[$_]
3537 or next;
3538
3539 my $face = cf::face::find "sound/$sound->[1]";
3540 cf::sound::set $sound->[0] => $face;
3541 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3542 }
3543
3544 while (my ($k, $v) = each %{$soundconf->{event}}) {
3545 my $face = cf::face::find "sound/$v";
3546 cf::sound::set $k => $face;
3547 }
3548}
3549
2827sub reload_resources { 3550sub reload_resources {
2828 warn "reloading resource files...\n"; 3551 trace "reloading resource files...\n";
2829 3552
3553 reload_exp_table;
3554 reload_materials;
3555 reload_facedata;
3556 reload_sound;
3557 reload_archetypes;
2830 reload_regions; 3558 reload_regions;
2831 reload_facedata;
2832 #reload_archetypes;#d#
2833 reload_archetypes;
2834 reload_treasures; 3559 reload_treasures;
2835 3560
2836 warn "finished reloading resource files\n"; 3561 trace "finished reloading resource files\n";
2837} 3562}
2838 3563
2839sub init { 3564sub reload_config {
2840 reload_resources; 3565 trace "reloading config file...\n";
2841}
2842 3566
2843sub cfg_load { 3567 0 < aio_load "$CONFDIR/config", my $config
2844 open my $fh, "<:utf8", "$CONFDIR/config" 3568 or die "$CONFDIR/config: $!";
2845 or return;
2846 3569
2847 local $/; 3570 utf8::decode $config;
2848 *CFG = YAML::Syck::Load <$fh>; 3571 *CFG = yaml_load $config;
2849 3572
2850 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3573 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851 3574
2852 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3575 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3576 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854 3577
2855 if (exists $CFG{mlockall}) { 3578 if (exists $CFG{mlockall}) {
2859 }; 3582 };
2860 warn $@ if $@; 3583 warn $@ if $@;
2861 } 3584 }
2862} 3585}
2863 3586
3587sub pidfile() {
3588 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3589 or die "$PIDFILE: $!";
3590 flock $fh, &Fcntl::LOCK_EX
3591 or die "$PIDFILE: flock: $!";
3592 $fh
3593}
3594
3595# make sure only one server instance is running at any one time
3596sub atomic {
3597 my $fh = pidfile;
3598
3599 my $pid = <$fh>;
3600 kill 9, $pid if $pid > 0;
3601
3602 seek $fh, 0, 0;
3603 print $fh $$;
3604}
3605
3606sub main_loop {
3607 trace "EV::loop starting\n";
3608 if (1) {
3609 EV::loop;
3610 }
3611 trace "EV::loop returned\n";
3612 goto &main_loop unless $REALLY_UNLOOP;
3613}
3614
2864sub main { 3615sub main {
3616 cf::init_globals; # initialise logging
3617
3618 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3619 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3620 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3621 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3622
3623 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3624
2865 # we must not ever block the main coroutine 3625 # we must not ever block the main coroutine
2866 local $Coro::idle = sub { 3626 local $Coro::idle = sub {
2867 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3627 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868 (async { 3628 (async {
2869 Event::one_event; 3629 $Coro::current->{desc} = "IDLE BUG HANDLER";
3630 EV::loop EV::LOOP_ONESHOT;
2870 })->prio (Coro::PRIO_MAX); 3631 })->prio (Coro::PRIO_MAX);
2871 }; 3632 };
2872 3633
2873 cfg_load; 3634 evthread_start IO::AIO::poll_fileno;
3635
3636 cf::sync_job {
3637 cf::incloader::init ();
3638
3639 cf::init_anim;
3640 cf::init_attackmess;
3641 cf::init_dynamic;
3642
3643 cf::load_settings;
3644
3645 reload_resources;
3646 reload_config;
2874 db_init; 3647 db_init;
3648
3649 cf::init_uuid;
3650 cf::init_signals;
3651 cf::init_skills;
3652
3653 cf::init_beforeplay;
3654
3655 atomic;
3656
2875 load_extensions; 3657 load_extensions;
2876 3658
2877 $TICK_WATCHER->start; 3659 utime time, time, $RUNTIMEFILE;
2878 Event::loop; 3660
3661 # no (long-running) fork's whatsoever before this point(!)
3662 use POSIX ();
3663 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3664
3665 (pop @POST_INIT)->(0) while @POST_INIT;
3666 };
3667
3668 cf::object::thawer::errors_are_fatal 0;
3669 info "parse errors in files are no longer fatal from this point on.\n";
3670
3671 my $free_main; $free_main = EV::idle sub {
3672 undef $free_main;
3673 undef &main; # free gobs of memory :)
3674 };
3675
3676 goto &main_loop;
2879} 3677}
2880 3678
2881############################################################################# 3679#############################################################################
2882# initialisation and cleanup 3680# initialisation and cleanup
2883 3681
2884# install some emergency cleanup handlers 3682# install some emergency cleanup handlers
2885BEGIN { 3683BEGIN {
3684 our %SIGWATCHER = ();
2886 for my $signal (qw(INT HUP TERM)) { 3685 for my $signal (qw(INT HUP TERM)) {
2887 Event->signal ( 3686 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2888 reentrant => 0,
2889 data => WF_AUTOCANCEL,
2890 signal => $signal,
2891 prio => 0,
2892 cb => sub {
2893 cf::cleanup "SIG$signal"; 3687 cf::cleanup "SIG$signal";
2894 },
2895 ); 3688 };
2896 } 3689 }
2897} 3690}
2898 3691
2899sub write_runtime { 3692sub write_runtime_sync {
2900 my $runtime = "$LOCALDIR/runtime"; 3693 my $t0 = AE::time;
2901 3694
2902 # first touch the runtime file to show we are still running: 3695 # first touch the runtime file to show we are still running:
2903 # the fsync below can take a very very long time. 3696 # the fsync below can take a very very long time.
2904 3697
2905 IO::AIO::aio_utime $runtime, undef, undef; 3698 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906 3699
2907 my $guard = cf::lock_acquire "write_runtime"; 3700 my $guard = cf::lock_acquire "write_runtime";
2908 3701
2909 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 3702 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910 or return; 3703 or return;
2911 3704
2912 my $value = $cf::RUNTIME + 90 + 10; 3705 my $value = $cf::RUNTIME + 90 + 10;
2913 # 10 is the runtime save interval, for a monotonic clock 3706 # 10 is the runtime save interval, for a monotonic clock
2914 # 60 allows for the watchdog to kill the server. 3707 # 60 allows for the watchdog to kill the server.
2924 aio_utime $fh, undef, undef; 3717 aio_utime $fh, undef, undef;
2925 3718
2926 close $fh 3719 close $fh
2927 or return; 3720 or return;
2928 3721
2929 aio_rename "$runtime~", $runtime 3722 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930 and return; 3723 and return;
2931 3724
2932 warn "runtime file written.\n"; 3725 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933 3726
2934 1 3727 1
3728}
3729
3730our $uuid_lock;
3731our $uuid_skip;
3732
3733sub write_uuid_sync($) {
3734 $uuid_skip ||= $_[0];
3735
3736 return if $uuid_lock;
3737 local $uuid_lock = 1;
3738
3739 my $uuid = "$LOCALDIR/uuid";
3740
3741 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3742 or return;
3743
3744 my $value = uuid_seq uuid_cur;
3745
3746 unless ($value) {
3747 info "cowardly refusing to write zero uuid value!\n";
3748 return;
3749 }
3750
3751 my $value = uuid_str $value + $uuid_skip;
3752 $uuid_skip = 0;
3753
3754 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3755 and return;
3756
3757 # always fsync - this file is important
3758 aio_fsync $fh
3759 and return;
3760
3761 close $fh
3762 or return;
3763
3764 aio_rename "$uuid~", $uuid
3765 and return;
3766
3767 trace "uuid file written ($value).\n";
3768
3769 1
3770
3771}
3772
3773sub write_uuid($$) {
3774 my ($skip, $sync) = @_;
3775
3776 $sync ? write_uuid_sync $skip
3777 : async { write_uuid_sync $skip };
2935} 3778}
2936 3779
2937sub emergency_save() { 3780sub emergency_save() {
2938 my $freeze_guard = cf::freeze_mainloop; 3781 my $freeze_guard = cf::freeze_mainloop;
2939 3782
2940 warn "enter emergency perl save\n"; 3783 info "emergency_perl_save: enter\n";
3784
3785 # this is a trade-off: we want to be very quick here, so
3786 # save all maps without fsync, and later call a global sync
3787 # (which in turn might be very very slow)
3788 local $USE_FSYNC = 0;
2941 3789
2942 cf::sync_job { 3790 cf::sync_job {
3791 cf::write_runtime_sync; # external watchdog should not bark
3792
2943 # use a peculiar iteration method to avoid tripping on perl 3793 # use a peculiar iteration method to avoid tripping on perl
2944 # refcount bugs in for. also avoids problems with players 3794 # refcount bugs in for. also avoids problems with players
2945 # and maps saved/destroyed asynchronously. 3795 # and maps saved/destroyed asynchronously.
2946 warn "begin emergency player save\n"; 3796 info "emergency_perl_save: begin player save\n";
2947 for my $login (keys %cf::PLAYER) { 3797 for my $login (keys %cf::PLAYER) {
2948 my $pl = $cf::PLAYER{$login} or next; 3798 my $pl = $cf::PLAYER{$login} or next;
2949 $pl->valid or next; 3799 $pl->valid or next;
3800 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950 $pl->save; 3801 $pl->save;
2951 } 3802 }
2952 warn "end emergency player save\n"; 3803 info "emergency_perl_save: end player save\n";
2953 3804
2954 warn "begin emergency map save\n"; 3805 cf::write_runtime_sync; # external watchdog should not bark
3806
3807 info "emergency_perl_save: begin map save\n";
2955 for my $path (keys %cf::MAP) { 3808 for my $path (keys %cf::MAP) {
2956 my $map = $cf::MAP{$path} or next; 3809 my $map = $cf::MAP{$path} or next;
2957 $map->valid or next; 3810 $map->valid or next;
2958 $map->save; 3811 $map->save;
2959 } 3812 }
2960 warn "end emergency map save\n"; 3813 info "emergency_perl_save: end map save\n";
2961 3814
2962 warn "begin emergency database checkpoint\n"; 3815 cf::write_runtime_sync; # external watchdog should not bark
3816
3817 info "emergency_perl_save: begin database checkpoint\n";
2963 BDB::db_env_txn_checkpoint $DB_ENV; 3818 BDB::db_env_txn_checkpoint $DB_ENV;
2964 warn "end emergency database checkpoint\n"; 3819 info "emergency_perl_save: end database checkpoint\n";
3820
3821 info "emergency_perl_save: begin write uuid\n";
3822 write_uuid_sync 1;
3823 info "emergency_perl_save: end write uuid\n";
3824
3825 cf::write_runtime_sync; # external watchdog should not bark
3826
3827 trace "emergency_perl_save: syncing database to disk";
3828 BDB::db_env_txn_checkpoint $DB_ENV;
3829
3830 info "emergency_perl_save: starting sync\n";
3831 IO::AIO::aio_sync sub {
3832 info "emergency_perl_save: finished sync\n";
3833 };
3834
3835 cf::write_runtime_sync; # external watchdog should not bark
3836
3837 trace "emergency_perl_save: flushing outstanding aio requests";
3838 while (IO::AIO::nreqs || BDB::nreqs) {
3839 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3840 }
3841
3842 cf::write_runtime_sync; # external watchdog should not bark
2965 }; 3843 };
2966 3844
2967 warn "leave emergency perl save\n"; 3845 info "emergency_perl_save: leave\n";
2968} 3846}
2969 3847
2970sub post_cleanup { 3848sub post_cleanup {
2971 my ($make_core) = @_; 3849 my ($make_core) = @_;
2972 3850
3851 IO::AIO::flush;
3852
2973 warn Carp::longmess "post_cleanup backtrace" 3853 error Carp::longmess "post_cleanup backtrace"
2974 if $make_core; 3854 if $make_core;
3855
3856 my $fh = pidfile;
3857 unlink $PIDFILE if <$fh> == $$;
3858}
3859
3860# a safer delete_package, copied from Symbol
3861sub clear_package($) {
3862 my $pkg = shift;
3863
3864 # expand to full symbol table name if needed
3865 unless ($pkg =~ /^main::.*::$/) {
3866 $pkg = "main$pkg" if $pkg =~ /^::/;
3867 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3868 $pkg .= '::' unless $pkg =~ /::$/;
3869 }
3870
3871 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3872 my $stem_symtab = *{$stem}{HASH};
3873
3874 defined $stem_symtab and exists $stem_symtab->{$leaf}
3875 or return;
3876
3877 # clear all symbols
3878 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3879 for my $name (keys %$leaf_symtab) {
3880 _gv_clear *{"$pkg$name"};
3881# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3882 }
2975} 3883}
2976 3884
2977sub do_reload_perl() { 3885sub do_reload_perl() {
2978 # can/must only be called in main 3886 # can/must only be called in main
2979 if ($Coro::current != $Coro::main) { 3887 unless (in_main) {
2980 warn "can only reload from main coroutine"; 3888 error "can only reload from main coroutine";
2981 return; 3889 return;
2982 } 3890 }
2983 3891
3892 return if $RELOAD++;
3893
3894 my $t1 = AE::time;
3895
3896 while ($RELOAD) {
3897 cf::get_slot 0.1, -1, "reload_perl";
2984 warn "reloading..."; 3898 info "reloading...";
2985 3899
2986 warn "entering sync_job"; 3900 trace "entering sync_job";
2987 3901
2988 cf::sync_job { 3902 cf::sync_job {
2989 cf::write_runtime; # external watchdog should not bark
2990 cf::emergency_save; 3903 #cf::emergency_save;
2991 cf::write_runtime; # external watchdog should not bark
2992 3904
2993 warn "syncing database to disk";
2994 BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996 # if anything goes wrong in here, we should simply crash as we already saved
2997
2998 warn "cancelling all WF_AUTOCANCEL watchers";
2999 for (Event::all_watchers) {
3000 $_->cancel if $_->data & WF_AUTOCANCEL;
3001 }
3002
3003 warn "flushing outstanding aio requests";
3004 for (;;) {
3005 BDB::flush;
3006 IO::AIO::flush;
3007 Coro::cede;
3008 last unless IO::AIO::nreqs || BDB::nreqs;
3009 warn "iterate...";
3010 }
3011
3012 ++$RELOAD;
3013
3014 warn "cancelling all extension coros"; 3905 trace "cancelling all extension coros";
3015 $_->cancel for values %EXT_CORO; 3906 $_->cancel for values %EXT_CORO;
3016 %EXT_CORO = (); 3907 %EXT_CORO = ();
3017 3908
3018 warn "removing commands"; 3909 trace "removing commands";
3019 %COMMAND = (); 3910 %COMMAND = ();
3020 3911
3021 warn "removing ext/exti commands"; 3912 trace "removing ext/exti commands";
3022 %EXTCMD = (); 3913 %EXTCMD = ();
3023 %EXTICMD = (); 3914 %EXTICMD = ();
3024 3915
3025 warn "unloading/nuking all extensions"; 3916 trace "unloading/nuking all extensions";
3026 for my $pkg (@EXTS) { 3917 for my $pkg (@EXTS) {
3027 warn "... unloading $pkg"; 3918 trace "... unloading $pkg";
3028 3919
3029 if (my $cb = $pkg->can ("unload")) { 3920 if (my $cb = $pkg->can ("unload")) {
3030 eval { 3921 eval {
3031 $cb->($pkg); 3922 $cb->($pkg);
3032 1 3923 1
3033 } or warn "$pkg unloaded, but with errors: $@"; 3924 } or error "$pkg unloaded, but with errors: $@";
3925 }
3926
3927 trace "... clearing $pkg";
3928 clear_package $pkg;
3034 } 3929 }
3035 3930
3036 warn "... nuking $pkg";
3037 Symbol::delete_package $pkg;
3038 }
3039
3040 warn "unloading all perl modules loaded from $LIBDIR"; 3931 trace "unloading all perl modules loaded from $LIBDIR";
3041 while (my ($k, $v) = each %INC) { 3932 while (my ($k, $v) = each %INC) {
3042 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3933 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043 3934
3044 warn "... unloading $k"; 3935 trace "... unloading $k";
3045 delete $INC{$k}; 3936 delete $INC{$k};
3046 3937
3047 $k =~ s/\.pm$//; 3938 $k =~ s/\.pm$//;
3048 $k =~ s/\//::/g; 3939 $k =~ s/\//::/g;
3049 3940
3050 if (my $cb = $k->can ("unload_module")) { 3941 if (my $cb = $k->can ("unload_module")) {
3051 $cb->(); 3942 $cb->();
3943 }
3944
3945 clear_package $k;
3052 } 3946 }
3053 3947
3054 Symbol::delete_package $k;
3055 }
3056
3057 warn "getting rid of safe::, as good as possible"; 3948 trace "getting rid of safe::, as good as possible";
3058 Symbol::delete_package "safe::$_" 3949 clear_package "safe::$_"
3059 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3950 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060 3951
3061 warn "unloading cf.pm \"a bit\""; 3952 trace "unloading cf.pm \"a bit\"";
3062 delete $INC{"cf.pm"}; 3953 delete $INC{"cf.pm"};
3063 delete $INC{"cf/pod.pm"}; 3954 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064 3955
3065 # don't, removes xs symbols, too, 3956 # don't, removes xs symbols, too,
3066 # and global variables created in xs 3957 # and global variables created in xs
3067 #Symbol::delete_package __PACKAGE__; 3958 #clear_package __PACKAGE__;
3068 3959
3069 warn "unload completed, starting to reload now"; 3960 info "unload completed, starting to reload now";
3070 3961
3071 warn "reloading cf.pm"; 3962 trace "reloading cf.pm";
3072 require cf; 3963 require cf;
3073 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3964 cf::_connect_to_perl_1;
3074 3965
3075 warn "loading config and database again"; 3966 trace "loading config and database again";
3076 cf::cfg_load; 3967 cf::reload_config;
3077 3968
3078 warn "loading extensions"; 3969 trace "loading extensions";
3079 cf::load_extensions; 3970 cf::load_extensions;
3080 3971
3972 if ($REATTACH_ON_RELOAD) {
3081 warn "reattaching attachments to objects/players"; 3973 trace "reattaching attachments to objects/players";
3082 _global_reattach; # objects, sockets 3974 _global_reattach; # objects, sockets
3083 warn "reattaching attachments to maps"; 3975 trace "reattaching attachments to maps";
3084 reattach $_ for values %MAP; 3976 reattach $_ for values %MAP;
3085 warn "reattaching attachments to players"; 3977 trace "reattaching attachments to players";
3086 reattach $_ for values %PLAYER; 3978 reattach $_ for values %PLAYER;
3979 }
3087 3980
3981 trace "running post_init jobs";
3982 (pop @POST_INIT)->(1) while @POST_INIT;
3983
3088 warn "leaving sync_job"; 3984 trace "leaving sync_job";
3089 3985
3090 1 3986 1
3091 } or do { 3987 } or do {
3092 warn $@; 3988 error $@;
3093 warn "error while reloading, exiting."; 3989 cf::cleanup "error while reloading, exiting.";
3094 exit 1; 3990 };
3991
3992 info "reloaded";
3993 --$RELOAD;
3095 }; 3994 }
3096 3995
3097 warn "reloaded"; 3996 $t1 = AE::time - $t1;
3997 info "reload completed in ${t1}s\n";
3098}; 3998};
3099 3999
3100our $RELOAD_WATCHER; # used only during reload 4000our $RELOAD_WATCHER; # used only during reload
3101 4001
3102sub reload_perl() { 4002sub reload_perl() {
3103 # doing reload synchronously and two reloads happen back-to-back, 4003 # doing reload synchronously and two reloads happen back-to-back,
3104 # coro crashes during coro_state_free->destroy here. 4004 # coro crashes during coro_state_free->destroy here.
3105 4005
3106 $RELOAD_WATCHER ||= Event->timer ( 4006 $RELOAD_WATCHER ||= cf::async {
3107 reentrant => 0, 4007 Coro::AIO::aio_wait cache_extensions;
3108 after => 0, 4008
3109 data => WF_AUTOCANCEL, 4009 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110 cb => sub {
3111 do_reload_perl; 4010 do_reload_perl;
3112 undef $RELOAD_WATCHER; 4011 undef $RELOAD_WATCHER;
3113 }, 4012 };
3114 ); 4013 };
3115} 4014}
3116 4015
3117register_command "reload" => sub { 4016register_command "reload" => sub {
3118 my ($who, $arg) = @_; 4017 my ($who, $arg) = @_;
3119 4018
3120 if ($who->flag (FLAG_WIZ)) { 4019 if ($who->flag (FLAG_WIZ)) {
3121 $who->message ("reloading server."); 4020 $who->message ("reloading server.");
4021 async {
4022 $Coro::current->{desc} = "perl_reload";
3122 async { reload_perl }; 4023 reload_perl;
4024 };
3123 } 4025 }
3124}; 4026};
3125 4027
3126unshift @INC, $LIBDIR; 4028#############################################################################
3127 4029
3128my $bug_warning = 0; 4030my $bug_warning = 0;
3129 4031
3130our @WAIT_FOR_TICK; 4032our @WAIT_FOR_TICK;
3131our @WAIT_FOR_TICK_BEGIN; 4033our @WAIT_FOR_TICK_BEGIN;
3132 4034
3133sub wait_for_tick { 4035sub wait_for_tick() {
3134 return unless $TICK_WATCHER->is_active;
3135 return if $Coro::current == $Coro::main; 4036 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3136 4037
3137 my $signal = new Coro::Signal; 4038 my $signal = new Coro::Signal;
3138 push @WAIT_FOR_TICK, $signal; 4039 push @WAIT_FOR_TICK, $signal;
3139 $signal->wait; 4040 $signal->wait;
3140} 4041}
3141 4042
3142sub wait_for_tick_begin { 4043sub wait_for_tick_begin() {
3143 return unless $TICK_WATCHER->is_active;
3144 return if $Coro::current == $Coro::main; 4044 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3145 4045
3146 my $signal = new Coro::Signal; 4046 my $signal = new Coro::Signal;
3147 push @WAIT_FOR_TICK_BEGIN, $signal; 4047 push @WAIT_FOR_TICK_BEGIN, $signal;
3148 $signal->wait; 4048 $signal->wait;
3149} 4049}
3150 4050
3151 my $min = 1e6;#d# 4051sub tick {
3152 my $avg = 10;
3153$TICK_WATCHER = Event->timer (
3154 reentrant => 0,
3155 parked => 1,
3156 prio => 0,
3157 at => $NEXT_TICK || $TICK,
3158 data => WF_AUTOCANCEL,
3159 cb => sub {
3160 if ($Coro::current != $Coro::main) { 4052 if ($Coro::current != $Coro::main) {
3161 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4053 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162 unless ++$bug_warning > 10; 4054 unless ++$bug_warning > 10;
3163 return; 4055 return;
3164 } 4056 }
3165 4057
3166 $NOW = $tick_start = Event::time;
3167
3168 cf::server_tick; # one server iteration 4058 cf::server_tick; # one server iteration
3169 4059
3170 0 && sync_job {#d# 4060 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3171 for(1..10) {
3172 my $t = Event::time;
3173 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3174 or die;
3175 4061
3176 $map->width (50); 4062 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177 $map->height (50); 4063 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178 $map->alloc; 4064 Coro::async_pool {
3179 $map->_load_objects ("/tmp/x.map", 1); 4065 $Coro::current->{desc} = "runtime saver";
3180 my $t = Event::time - $t; 4066 write_runtime_sync
3181 4067 or error "ERROR: unable to write runtime file: $!";
3182 #next unless $t < 0.0013;#d#
3183 if ($t < $min) {
3184 $min = $t;
3185 }
3186 $avg = $avg * 0.99 + $t * 0.01;
3187 }
3188 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189 exit 0;
3190 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191 }; 4068 };
4069 }
3192 4070
3193 $RUNTIME += $TICK;
3194 $NEXT_TICK += $TICK;
3195
3196 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197 $NEXT_RUNTIME_WRITE = $NOW + 10;
3198 Coro::async_pool {
3199 write_runtime
3200 or warn "ERROR: unable to write runtime file: $!";
3201 };
3202 }
3203
3204# my $AFTER = Event::time;
3205# warn $AFTER - $NOW;#d#
3206
3207 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4071 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208 $sig->send; 4072 $sig->send;
3209 } 4073 }
3210 while (my $sig = shift @WAIT_FOR_TICK) { 4074 while (my $sig = shift @WAIT_FOR_TICK) {
3211 $sig->send; 4075 $sig->send;
3212 } 4076 }
3213 4077
3214 $NOW = Event::time; 4078 $LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216 # if we are delayed by four ticks or more, skip them all
3217 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219 $TICK_WATCHER->at ($NEXT_TICK);
3220 $TICK_WATCHER->start;
3221
3222 $LOAD = ($NOW - $tick_start) / $TICK;
3223 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 4079 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224 4080
3225 _post_tick; 4081 if (0) {
3226 4082 if ($NEXT_TICK) {
3227 4083 my $jitter = $TICK_START - $NEXT_TICK;
4084 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4085 debug "jitter $JITTER\n";#d#
4086 }
3228 }, 4087 }
3229); 4088}
3230 4089
3231{ 4090{
3232 BDB::max_poll_time $TICK * 0.1; 4091 # configure BDB
3233 $BDB_POLL_WATCHER = Event->io ( 4092
3234 reentrant => 0,
3235 fd => BDB::poll_fileno,
3236 poll => 'r',
3237 prio => 0,
3238 data => WF_AUTOCANCEL,
3239 cb => \&BDB::poll_cb,
3240 );
3241 BDB::min_parallel 8; 4093 BDB::min_parallel 16;
3242 4094 BDB::max_poll_reqs $TICK * 0.1;
3243 BDB::set_sync_prepare { 4095 $AnyEvent::BDB::WATCHER->priority (1);
3244 my $status;
3245 my $current = $Coro::current;
3246 (
3247 sub {
3248 $status = $!;
3249 $current->ready; undef $current;
3250 },
3251 sub {
3252 Coro::schedule while defined $current;
3253 $! = $status;
3254 },
3255 )
3256 };
3257 4096
3258 unless ($DB_ENV) { 4097 unless ($DB_ENV) {
3259 $DB_ENV = BDB::db_env_create; 4098 $DB_ENV = BDB::db_env_create;
4099 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4100 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4101 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4102 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4103 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260 4104
3261 cf::sync_job { 4105 cf::sync_job {
3262 eval { 4106 eval {
3263 BDB::db_env_open 4107 BDB::db_env_open
3264 $DB_ENV, 4108 $DB_ENV,
3266 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4110 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4111 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268 0666; 4112 0666;
3269 4113
3270 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4114 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273 $DB_ENV->set_lk_detect;
3274 }; 4115 };
3275 4116
3276 cf::cleanup "db_env_open(db): $@" if $@; 4117 cf::cleanup "db_env_open(db): $@" if $@;
3277 }; 4118 };
3278 } 4119 }
4120
4121 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4122 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4123 };
4124 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4125 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4126 };
4127 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4128 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4129 };
3279} 4130}
3280 4131
3281{ 4132{
4133 # configure IO::AIO
4134
3282 IO::AIO::min_parallel 8; 4135 IO::AIO::min_parallel 8;
3283
3284 undef $Coro::AIO::WATCHER;
3285 IO::AIO::max_poll_time $TICK * 0.1; 4136 IO::AIO::max_poll_time $TICK * 0.1;
3286 $AIO_POLL_WATCHER = Event->io ( 4137 undef $AnyEvent::AIO::WATCHER;
3287 reentrant => 0,
3288 data => WF_AUTOCANCEL,
3289 fd => IO::AIO::poll_fileno,
3290 poll => 'r',
3291 prio => 6,
3292 cb => \&IO::AIO::poll_cb,
3293 );
3294} 4138}
3295 4139
3296my $_log_backtrace; 4140my $_log_backtrace;
3297 4141
3298sub _log_backtrace { 4142sub _log_backtrace {
3301 $msg =~ s/\n//; 4145 $msg =~ s/\n//;
3302 4146
3303 # limit the # of concurrent backtraces 4147 # limit the # of concurrent backtraces
3304 if ($_log_backtrace < 2) { 4148 if ($_log_backtrace < 2) {
3305 ++$_log_backtrace; 4149 ++$_log_backtrace;
4150 my $perl_bt = Carp::longmess $msg;
3306 async { 4151 async {
4152 $Coro::current->{desc} = "abt $msg";
4153
3307 my @bt = fork_call { 4154 my @bt = fork_call {
3308 @addr = map { sprintf "%x", $_ } @addr; 4155 @addr = map { sprintf "%x", $_ } @addr;
3309 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4156 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4157 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311 or die "addr2line: $!"; 4158 or die "addr2line: $!";
3319 } 4166 }
3320 4167
3321 @funcs 4168 @funcs
3322 }; 4169 };
3323 4170
3324 LOG llevInfo, "[ABT] $msg\n"; 4171 LOG llevInfo, "[ABT] $perl_bt\n";
4172 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325 LOG llevInfo, "[ABT] $_\n" for @bt; 4173 LOG llevInfo, "[ABT] $_\n" for @bt;
3326 --$_log_backtrace; 4174 --$_log_backtrace;
3327 }; 4175 };
3328 } else { 4176 } else {
3329 LOG llevInfo, "[ABT] $msg\n"; 4177 LOG llevInfo, "[ABT] $msg\n";
3330 LOG llevInfo, "[ABT] [suppressed]\n"; 4178 LOG llevInfo, "[ABT] [suppressed]\n";
3331 } 4179 }
3332} 4180}
3333 4181
3334# load additional modules 4182# load additional modules
3335use cf::pod; 4183require "cf/$_.pm" for @EXTRA_MODULES;
4184cf::_connect_to_perl_2;
3336 4185
3337END { cf::emergency_save } 4186END { cf::emergency_save }
3338 4187
33391 41881
3340 4189

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines