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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.255 by root, Thu Apr 19 16:23:47 2007 UTC vs.
Revision 1.550 by root, Fri May 14 22:56:47 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$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;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# 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 ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
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 $REALLY_UNLOOP; # never set to true, please :)
153
95binmode STDOUT; 154binmode STDOUT;
96binmode STDERR; 155binmode STDERR;
97 156
98# read virtual server time, if available 157# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
103} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
104 165
105mkdir $_ 166mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107 168
108our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
109 170
110sub 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::"} };
111 187
112############################################################################# 188#############################################################################
113 189
114=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
115 191
… …
139 215
140=item $cf::TICK 216=item $cf::TICK
141 217
142The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
143 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
144=item %cf::CFG 230=item %cf::CFG
145 231
146Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 233from wherever your confdir points to.
148 234
149=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
150 236
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
155=back 258=back
156 259
157=cut 260=cut
158 261
159BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
160 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
161 my $msg = join "", @_; 269 my $msg = join "", @_;
162 270
163 $msg .= "\n" 271 $msg .= "\n"
164 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
165 273
166 $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;
167 275
168 utf8::encode $msg;
169 LOG llevError, $msg; 276 LOG llevWarn, $msg;
170 }; 277};
171} 278
279$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};
172 292
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 297@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
298@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 299@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 300
180# we bless all objects into (empty) derived classes to force a method lookup 301# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 302# within the Safe compartment.
182for my $pkg (qw( 303for my $pkg (qw(
183 cf::global cf::attachable 304 cf::global cf::attachable
184 cf::object cf::object::player 305 cf::object cf::object::player
185 cf::client cf::player 306 cf::client cf::player
186 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
187 cf::map cf::party cf::region 309 cf::party cf::region
188)) { 310)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 312}
192 313
193$Event::DIED = sub { 314$EV::DIED = sub {
194 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
195}; 316};
317
318#############################################################################
196 319
197=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
198 321
199=over 4 322=over 4
200 323
… …
219 $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;
220 $d 343 $d
221 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
222} 345}
223 346
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
227 348
228Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
229 350
230=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
231 352
232Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
233 354
355=cut
356
357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
358
359sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
404
234=item cf::lock_wait $string 405=item cf::lock_wait $string
235 406
236Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
237 408
238=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
239 410
240Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
243returned. 414returned.
244 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
245Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
247 421
248=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
249 423
250Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
251 425
252=cut 426=cut
253 427
254our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
255 429
256sub lock_wait($) { 430sub lock_wait($) {
257 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
258
259 # wait for lock, if any
260 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule;
263 }
264} 432}
265 433
266sub lock_acquire($) { 434sub lock_acquire($) {
267 my ($key) = @_; 435 $LOCKS->guard ($_[0])
268
269 # wait, to be sure we are not locked
270 lock_wait $key;
271
272 $LOCK{$key} = [];
273
274 Coro::guard {
275 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} };
277 }
278} 436}
279 437
280sub lock_active($) { 438sub lock_active($) {
281 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
282
283 ! ! $LOCK{$key}
284} 440}
285 441
286sub freeze_mainloop { 442sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
288 444
289 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
290 $TICK_WATCHER->start; 446}
447
448=item cf::periodic $interval, $cb
449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
291 }; 512 }
292 $TICK_WATCHER->stop; 513};
293 $guard 514
515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
518 my ($time, $pri, $name) = @_;
519
520 $time = clamp $time, 0.01, $TICK * .6;
521
522 my $sig = new Coro::Signal;
523
524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
526 $SLOT_QUEUE->ready;
527 $sig->wait;
294} 528}
295 529
296=item cf::async { BLOCK } 530=item cf::async { BLOCK }
297 531
298Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
… …
303 537
304BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
305 539
306=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
307 541
308The design of crossfire+ requires that the main coro ($Coro::main) is 542The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 543is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
545acceptable.
311 546
312If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 549server will be frozen during this time, so the block should either finish
315fast or be very important. 550fast or be very important.
… …
317=cut 552=cut
318 553
319sub sync_job(&) { 554sub sync_job(&) {
320 my ($job) = @_; 555 my ($job) = @_;
321 556
322 if ($Coro::current == $Coro::main) { 557 if (in_main) {
558 my $time = AE::time;
559
323 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
325 562
326 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 564
328 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
329 566
330 my $busy = 1; 567 my $busy = 1;
331 my @res; 568 my @res;
332 569
333 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 572 @res = eval { $job->() };
335 warn $@ if $@; 573 error $@ if $@;
336 undef $busy; 574 undef $busy;
337 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
338 576
339 while ($busy) { 577 while ($busy) {
340 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
341 } 582 }
583 }
584
585 my $time = AE::time - $time;
586
587 $TICK_START += $time; # do not account sync jobs to server load
342 588
343 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
344 } else { 590 } else {
345 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
346 592
… …
366 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
367 613
368 $coro 614 $coro
369} 615}
370 616
371sub write_runtime { 617=item fork_call { }, @args
372 my $guard = cf::lock_acquire "write_runtime";
373 618
374 my $runtime = "$LOCALDIR/runtime"; 619Executes the given code block with the given arguments in a seperate
620process, returning the results. Everything must be serialisable with
621Coro::Storable. May, of course, block. Note that the executed sub may
622never block itself or use any form of event handling.
375 623
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 624=cut
377 or return;
378 625
379 my $value = $cf::RUNTIME + 90 + 10; 626sub post_fork {
380 # 10 is the runtime save interval, for a monotonic clock 627 reset_signals;
381 # 60 allows for the watchdog to kill the server. 628}
382 629
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 630sub fork_call(&@) {
384 and return; 631 my ($cb, @args) = @_;
385 632
386 # always fsync - this file is important 633 # we seemingly have to make a local copy of the whole thing,
387 aio_fsync $fh 634 # otherwise perl prematurely frees the stuff :/
388 and return; 635 # TODO: investigate and fix (likely this will be rather laborious)
389 636
390 close $fh 637 my @res = Coro::Util::fork_eval {
391 or return; 638 cf::post_fork;
639 &$cb
640 } @args;
392 641
393 aio_rename "$runtime~", $runtime 642 wantarray ? @res : $res[-1]
394 and return; 643}
395 644
645sub objinfo {
396 1 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
681}
682
683=item $value = cf::db_get $family => $key
684
685Returns a single value from the environment database.
686
687=item cf::db_put $family => $key => $value
688
689Stores the given C<$value> in the family. It can currently store binary
690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
718
719our $DB;
720
721sub db_init {
722 $DB ||= db_table "db";
723}
724
725sub db_get($$) {
726 my $key = "$_[0]/$_[1]";
727
728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
731 BDB::db_get $DB, undef, $key, my $data;
732
733 $! ? ()
734 : $data
735}
736
737sub db_put($$$) {
738 BDB::dbreq_pri 4;
739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
740}
741
742=item cf::cache $id => [$paths...], $processversion => $process
743
744Generic caching function that returns the value of the resource $id,
745caching and regenerating as required.
746
747This function can block.
748
749=cut
750
751sub cache {
752 my ($id, $src, $processversion, $process) = @_;
753
754 my $meta =
755 join "\x00",
756 $processversion,
757 map {
758 aio_stat $_
759 and Carp::croak "$_: $!";
760
761 ($_, (stat _)[7,9])
762 } @$src;
763
764 my $dbmeta = db_get cache => "$id/meta";
765 if ($dbmeta ne $meta) {
766 # changed, we may need to process
767
768 my @data;
769 my $md5;
770
771 for (0 .. $#$src) {
772 0 <= aio_load $src->[$_], $data[$_]
773 or Carp::croak "$src->[$_]: $!";
774 }
775
776 # if processing is expensive, check
777 # checksum first
778 if (1) {
779 $md5 =
780 join "\x00",
781 $processversion,
782 map {
783 cf::cede_to_tick;
784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
785 } 0.. $#$src;
786
787
788 my $dbmd5 = db_get cache => "$id/md5";
789 if ($dbmd5 eq $md5) {
790 db_put cache => "$id/meta", $meta;
791
792 return db_get cache => "$id/data";
793 }
794 }
795
796 my $t1 = Time::HiRes::time;
797 my $data = $process->(\@data);
798 my $t2 = Time::HiRes::time;
799
800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
801
802 db_put cache => "$id/data", $data;
803 db_put cache => "$id/md5" , $md5;
804 db_put cache => "$id/meta", $meta;
805
806 return $data;
807 }
808
809 db_get cache => "$id/data"
397} 810}
398 811
399=item cf::datalog type => key => value, ... 812=item cf::datalog type => key => value, ...
400 813
401Log a datalog packet of the given type with the given key-value pairs. 814Log a datalog packet of the given type with the given key-value pairs.
402 815
403=cut 816=cut
404 817
405sub datalog($@) { 818sub datalog($@) {
406 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408} 821}
409 822
410=back 823=back
411 824
412=cut 825=cut
413 826
414############################################################################# 827#############################################################################
415 828
416=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
417 830
418Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
419attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
421 834
422In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 837Deliantra).
425 838
426=over 4 839=over 4
427 840
428=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
429 842
… …
473=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
474 887
475Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
477 890
478Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
479that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
480 893
481These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
482 895
483=over 4 896=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 1005 $registry = $CB_TYPE[$object_type] ||= [];
593 1006
594 } elsif ($type eq "subtype") { 1007 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 1008 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 1009 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1010 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 1011
599 } elsif ($type eq "package") { 1012 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 1013 my $pkg = shift @arg;
601 1014
602 while (my ($name, $id) = each %cb_id) { 1015 while (my ($name, $id) = each %cb_id) {
… …
607 1020
608 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
609 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610 1023
611 } elsif (ref $type) { 1024 } elsif (ref $type) {
612 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
613 1026
614 } else { 1027 } else {
615 shift @arg; 1028 shift @arg;
616 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
617 } 1030 }
618 } 1031 }
619} 1032}
620 1033
621sub _object_attach { 1034sub _object_attach {
… …
631 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
632 } 1045 }
633 1046
634 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
635 } else { 1048 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
637 } 1050 }
638 1051
639 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
640} 1053}
641 1054
… …
643 if (ref $_[0]) { 1056 if (ref $_[0]) {
644 _object_attach @_; 1057 _object_attach @_;
645 } else { 1058 } else {
646 _attach shift->_attach_registry, @_; 1059 _attach shift->_attach_registry, @_;
647 } 1060 }
1061 _recalc_want;
648}; 1062};
649 1063
650# all those should be optimised 1064# all those should be optimised
651sub cf::attachable::detach { 1065sub cf::attachable::detach {
652 my ($obj, $name) = @_; 1066 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 1069 delete $obj->{_attachment}{$name};
656 reattach ($obj); 1070 reattach ($obj);
657 } else { 1071 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 1072 Carp::croak "cannot, currently, detach class attachments";
659 } 1073 }
1074 _recalc_want;
660}; 1075};
661 1076
662sub cf::attachable::attached { 1077sub cf::attachable::attached {
663 my ($obj, $name) = @_; 1078 my ($obj, $name) = @_;
664 1079
… …
679 "; 1094 ";
680 die if $@; 1095 die if $@;
681} 1096}
682 1097
683our $override; 1098our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1099our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1100
686sub override { 1101sub override {
687 $override = 1; 1102 $override = 1;
688 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
689} 1104}
690 1105
691sub do_invoke { 1106sub do_invoke {
692 my $event = shift; 1107 my $event = shift;
693 my $callbacks = shift; 1108 my $callbacks = shift;
694 1109
695 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
696 1111
697 local $override; 1112 local $override;
698 1113
699 for (@$callbacks) { 1114 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
701 1116
702 if ($@) { 1117 if ($@) {
703 warn "$@";
704 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705 override; 1119 override;
706 } 1120 }
707 1121
708 return 1 if $override; 1122 return 1 if $override;
709 } 1123 }
710 1124
711 0 1125 0
712} 1126}
713 1127
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1129
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1131
718Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
719 1133
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1134This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1135removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1137
724=back 1138=back
725 1139
726=cut 1140=cut
727 1141
728############################################################################# 1142#############################################################################
729# object support 1143# object support
1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
1178sub _can_merge {
1179 my ($ob1, $ob2) = @_;
1180
1181 ++$SLOW_MERGES;#d#
1182
1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
1185}
730 1186
731sub reattach { 1187sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1189 my ($obj) = @_;
734 1190
1191 # no longer needed after getting rid of delete_package?
735 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736 1193
737 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
738 1195
739 @$registry = (); 1196 @$registry = ();
740 1197
… …
745 for (@$attach) { 1202 for (@$attach) {
746 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
747 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
748 } 1205 }
749 } else { 1206 } else {
750 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
751 } 1208 }
752 } 1209 }
753} 1210}
754 1211
755cf::attachable->attach ( 1212cf::attachable->attach (
756 prio => -1000000, 1213 prio => -1000000,
757 on_instantiate => sub { 1214 on_instantiate => sub {
758 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
759 1216
760 $data = from_json $data; 1217 $data = decode_json $data;
761 1218
762 for (@$data) { 1219 for (@$data) {
763 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
764 1221
765 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1238sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
783 1240
784 sync_job { 1241 sync_job {
785 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
788 1247
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
793 close $fh; 1255 aio_close $fh;
794 1256
795 if (@$objs) { 1257 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
801 close $fh; 1266 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
803 } 1268 }
804 } else { 1269 } else {
805 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
806 } 1271 }
807 1272
808 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
809 } else { 1277 } else {
810 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
811 } 1279 }
812 } else { 1280 } else {
813 aio_unlink $filename; 1281 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
815 } 1283 }
816 } 1284 };
817} 1285}
818 1286
819sub object_freezer_as_string { 1287sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
821 1289
… …
833 or return; 1301 or return;
834 1302
835 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
837 or return; 1305 or return;
1306
838 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
839 } 1309 }
840 1310
1311 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
843 return ($data, $av); 1316 ($data, $av)
844} 1317}
1318
1319=head2 COMMAND CALLBACKS
1320
1321=over 4
1322
1323=cut
845 1324
846############################################################################# 1325#############################################################################
847# command handling &c 1326# command handling &c
848 1327
849=item cf::register_command $name => \&callback($ob,$args); 1328=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1341 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1342}
864 1343
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1344=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1345
867Register a callbackf ro execution when the client sends an extcmd packet. 1346Register a callback for execution when the client sends an (synchronous)
1347extcmd packet. Ext commands will be processed in the order they are
1348received by the server, like other user commands. The first argument is
1349the logged-in player. Ext commands can only be processed after a player
1350has logged in successfully.
868 1351
869If the callback returns something, it is sent back as if reply was being 1352If the callback returns something, it is sent back as if reply was being
870called. 1353called.
871 1354
1355=item cf::register_exticmd $name => \&callback($ns,$packet);
1356
1357Register a callback for execution when the client sends an (asynchronous)
1358exticmd packet. Exti commands are processed by the server as soon as they
1359are received, i.e. out of order w.r.t. other commands. The first argument
1360is a client socket. Exti commands can be received anytime, even before
1361log-in.
1362
1363If the callback returns something, it is sent back as if reply was being
1364called.
1365
872=cut 1366=cut
873 1367
874sub register_extcmd { 1368sub register_extcmd {
875 my ($name, $cb) = @_; 1369 my ($name, $cb) = @_;
876 1370
877 $EXTCMD{$name} = $cb; 1371 $EXTCMD{$name} = $cb;
878} 1372}
879 1373
1374sub register_exticmd {
1375 my ($name, $cb) = @_;
1376
1377 $EXTICMD{$name} = $cb;
1378}
1379
1380use File::Glob ();
1381
880cf::player->attach ( 1382cf::player->attach (
881 on_command => sub { 1383 on_unknown_command => sub {
882 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
883 1385
884 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
885 or return; 1387 or return;
886 1388
… …
891 cf::override; 1393 cf::override;
892 }, 1394 },
893 on_extcmd => sub { 1395 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
895 1397
896 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1399
898 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
904 } else { 1415 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1417 }
907 1418
908 cf::override; 1419 cf::override;
909 }, 1420 },
910); 1421);
911 1422
1423# "readahead" all extensions
912sub load_extension { 1424sub cache_extensions {
913 my ($path) = @_; 1425 my $grp = IO::AIO::aio_group;
914 1426
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916 my $base = $1; 1428 for (grep /\.ext$/, @{$_[0]}) {
917 my $pkg = $1; 1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 } 1430 }
940 die $@;
941 } 1431 };
942 1432
943 push @EXTS, $pkg; 1433 $grp
944} 1434}
945 1435
946sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1439 cf::sync_job {
1440 my %todo;
1441
947 for my $ext (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1443 next unless -r $path;
949 eval { 1444
950 load_extension $ext; 1445 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1446 my $base = $1;
1447 my $pkg = $1;
1448 $pkg =~ s/[^[:word:]]/_/g;
1449 $pkg = "ext::$pkg";
1450
1451 open my $fh, "<:utf8", $path
1452 or die "$path: $!";
1453
1454 my $source = do { local $/; <$fh> };
1455
1456 my %ext = (
1457 path => $path,
1458 base => $base,
1459 pkg => $pkg,
1460 );
1461
1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1464
1465 $ext{source} =
1466 "package $pkg; use common::sense;\n"
1467 . "#line 1 \"$path\"\n{\n"
1468 . $source
1469 . "\n};\n1";
1470
1471 $todo{$base} = \%ext;
1472 }
1473
1474 my $pass = 0;
1475 my %done;
1476 while (%todo) {
1477 my $progress;
1478
1479 ++$pass;
1480
1481 ext:
1482 while (my ($k, $v) = each %todo) {
1483 for (split /,\s*/, $v->{meta}{depends}) {
1484 next ext
1485 unless exists $done{$_};
1486 }
1487
1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1489
1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1493 error "$v->{path}: $@\n";
1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1496 if exists $v->{meta}{mandatory};
1497
1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1499 delete $todo{$k};
1500 } else {
1501 $done{$k} = delete $todo{$k};
1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1507 }
951 1 1508 }
952 } or warn "$ext not loaded: $@"; 1509
1510 unless ($progress) {
1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1518 }
953 } 1519 };
954} 1520}
955 1521
956############################################################################# 1522#############################################################################
957 1523
1524=back
1525
958=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
959 1527
960Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
961 1529
962=cut 1530=cut
963 1531
964package cf::player; 1532package cf::player;
965 1533
966use Coro::AIO; 1534use Coro::AIO;
967 1535
968=head3 cf::player 1536=head3 cf::player
969 1537
970=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
971 1553
972=item cf::player::find $login 1554=item cf::player::find $login
973 1555
974Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
975 1557
… …
994 1576
995sub exists($) { 1577sub exists($) {
996 my ($login) = @_; 1578 my ($login) = @_;
997 1579
998 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
999 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1000} 1582}
1001 1583
1002sub find($) { 1584sub find($) {
1003 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1004 my $login = $_[0]; 1586 my $login = $_[0];
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1597
1016 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1019 } 1607 }
1020 } 1608 }
1021} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1022 1623
1023sub save($) { 1624sub save($) {
1024 my ($pl) = @_; 1625 my ($pl) = @_;
1025 1626
1026 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
… …
1031 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1032 1633
1033 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1035 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1036 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1037 Coro::cede; 1643 cf::cede_to_tick;
1038} 1644}
1039 1645
1040sub new($) { 1646sub new($) {
1041 my ($login) = @_; 1647 my ($login) = @_;
1042 1648
… …
1048 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1049 1655
1050 $self 1656 $self
1051} 1657}
1052 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1053=item $pl->quit_character 1669=item $pl->quit_character
1054 1670
1055Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1057 1673
… …
1061 my ($pl) = @_; 1677 my ($pl) = @_;
1062 1678
1063 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1064 1680
1065 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1683
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1071 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1072 1692
1073 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1075 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
… …
1110 or return []; 1730 or return [];
1111 1731
1112 my @logins; 1732 my @logins;
1113 1733
1114 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1118 1744
1119 utf8::decode $login; 1745 utf8::decode $login;
1120 push @logins, $login; 1746 push @logins, $login;
1121 } 1747 }
1122 1748
1123 \@logins 1749 \@logins
1124} 1750}
1125 1751
1126=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1127 1755
1128Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1129player. May block. 1757player. May block.
1130 1758
1131=cut 1759=cut
… …
1149 } 1777 }
1150 1778
1151 \@paths 1779 \@paths
1152} 1780}
1153 1781
1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1783
1784Expand deliantra pod fragments into protocol xml.
1785
1154=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1155 1787
1156Sends an ext reply to the player. 1788Sends an ext reply to the player.
1157 1789
1158=cut 1790=cut
1159 1791
1160sub ext_reply($$%) { 1792sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1162 1794
1163 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1796}
1167 1797
1168=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1169 1799
1170Sends an ext event to the client. 1800Sends an ext event to the client.
1171 1801
1172=cut 1802=cut
1173 1803
1174sub ext_event($$%) { 1804sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1176 1806
1177 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1178} 1808}
1179 1809
1180=head3 cf::region 1810=head3 cf::region
1181 1811
1182=over 4 1812=over 4
… …
1185 1815
1186package cf::region; 1816package cf::region;
1187 1817
1188=item cf::region::find_by_path $path 1818=item cf::region::find_by_path $path
1189 1819
1190Tries to decuce the probable region for a map knowing only its path. 1820Tries to decuce the likely region for a map knowing only its path.
1191 1821
1192=cut 1822=cut
1193 1823
1194sub find_by_path($) { 1824sub find_by_path($) {
1195 my ($path) = @_; 1825 my ($path) = @_;
1196 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1197 my ($match, $specificity); 1829 my ($match, $specificity);
1198 1830
1199 for my $region (list) { 1831 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1203 } 1835 }
1204 } 1836 }
1205 1837
… …
1226our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1228 1860
1229sub generate_random_map { 1861sub generate_random_map {
1230 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1231 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1867 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1237 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1238 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1254 1889
1255sub register { 1890sub register {
1256 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1257 my $pkg = caller; 1892 my $pkg = caller;
1258 1893
1259 no strict;
1260 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1261 1895
1262 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263} 1897}
1264 1898
1265# also paths starting with '/' 1899# also paths starting with '/'
1266$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267 1901
1268sub thawer_merge { 1902sub thawer_merge {
1269 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1270 1904
1271 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1272 local $self->{path}; 1906 local $self->{path};
1273 local $self->{load_path}; 1907 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1908
1277 $self->SUPER::thawer_merge ($merge); 1909 $self->SUPER::thawer_merge ($merge);
1278} 1910}
1279 1911
1280sub normalise { 1912sub normalise {
1281 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1282 1914
1283 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1284 1916
1285 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1286 1918
1287 # map plan: 1919 # map plan:
1288 # 1920 #
… …
1327 $self->init; # pass $1 etc. 1959 $self->init; # pass $1 etc.
1328 return $self; 1960 return $self;
1329 } 1961 }
1330 } 1962 }
1331 1963
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1964 Carp::cluck "unable to resolve path '$path' (base '$base')";
1333 () 1965 ()
1334} 1966}
1335 1967
1336sub init { 1968sub init {
1337 my ($self) = @_; 1969 my ($self) = @_;
… …
1359 1991
1360# the temporary/swap location 1992# the temporary/swap location
1361sub save_path { 1993sub save_path {
1362 my ($self) = @_; 1994 my ($self) = @_;
1363 1995
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1996 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1997 "$TMPDIR/$path.map"
1366} 1998}
1367 1999
1368# the unique path, undef == no special unique path 2000# the unique path, undef == no special unique path
1369sub uniq_path { 2001sub uniq_path {
1370 my ($self) = @_; 2002 my ($self) = @_;
1371 2003
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2004 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 2005 "$UNIQUEDIR/$path"
1374} 2006}
1375 2007
1376# and all this just because we cannot iterate over 2008sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 2009 my ($self) = @_;
1380 2010
1381 $_->change_map_light ($change) 2011 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 2012
2013 $self->do_decay_objects;
1383} 2014}
1384 2015
1385sub unlink_save { 2016sub unlink_save {
1386 my ($self) = @_; 2017 my ($self) = @_;
1387 2018
… …
1392 2023
1393sub load_header_from($) { 2024sub load_header_from($) {
1394 my ($self, $path) = @_; 2025 my ($self, $path) = @_;
1395 2026
1396 utf8::encode $path; 2027 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 2028 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 2029 or return;
2030
2031 $self->_load_header ($f)
2032 or return;
2033
2034 local $MAP_LOADING{$self->{path}} = $self;
2035 $f->resolve_delayed_derefs;
1402 2036
1403 $self->{load_path} = $path; 2037 $self->{load_path} = $path;
1404 2038
1405 1 2039 1
1406} 2040}
… …
1445 $self->load_header_orig 2079 $self->load_header_orig
1446 or return; 2080 or return;
1447 $self->prepare_orig; 2081 $self->prepare_orig;
1448 } 2082 }
1449 2083
2084 $self->{deny_reset} = 1
2085 if $self->no_reset;
2086
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2087 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2088 unless $self->default_region;
1452 2089
1453 1 2090 1
1454} 2091}
1455 2092
1456sub find; 2093sub find;
1457sub find { 2094sub find {
1458 my ($path, $origin) = @_; 2095 my ($path, $origin) = @_;
1459 2096
2097 cf::cede_to_tick;
2098
1460 $path = normalise $path, $origin && $origin->path; 2099 $path = normalise $path, $origin && $origin->path;
1461 2100
2101 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2102 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2103
1464 $cf::MAP{$path} || do { 2104 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2105 my $map = new_from_path cf::map $path
1467 or return; 2106 or return;
1468 2107
1469 $map->{last_save} = $cf::RUNTIME; 2108 $map->{last_save} = $cf::RUNTIME;
1470 2109
1471 $map->load_header 2110 $map->load_header
1472 or return; 2111 or return;
1473 2112
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2113 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2114 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2115 #$cf::WAIT_FOR_TICK->wait;
2116 undef $guard2;
2117 undef $guard1;
1477 $map->reset; 2118 $map->reset;
1478 undef $guard;
1479 return find $path; 2119 return find $path;
1480 } 2120 }
1481 2121
1482 $cf::MAP{$path} = $map 2122 $cf::MAP{$path} = $map
1483 } 2123 }
1484} 2124}
1485 2125
1486sub pre_load { } 2126sub pre_load { }
1487sub post_load { } 2127#sub post_load { } # XS
1488 2128
1489sub load { 2129sub load {
1490 my ($self) = @_; 2130 my ($self) = @_;
1491 2131
1492 local $self->{deny_reset} = 1; # loading can take a long time 2132 local $self->{deny_reset} = 1; # loading can take a long time
1493 2133
1494 my $path = $self->{path}; 2134 my $path = $self->{path};
2135
2136 {
1495 my $guard = cf::lock_acquire "map_load:$path"; 2137 my $guard = cf::lock_acquire "map_data:$path";
1496 2138
2139 return unless $self->valid;
1497 return if $self->in_memory != cf::MAP_SWAPPED; 2140 return unless $self->in_memory == cf::MAP_SWAPPED;
1498 2141
1499 $self->in_memory (cf::MAP_LOADING); 2142 $self->in_memory (cf::MAP_LOADING);
1500 2143
1501 $self->alloc; 2144 $self->alloc;
1502 2145
1503 $self->pre_load; 2146 $self->pre_load;
1504 Coro::cede; 2147 cf::cede_to_tick;
1505 2148
1506 $self->_load_objects ($self->{load_path}, 1) 2149 my $f = new_from_file cf::object::thawer $self->{load_path};
2150 $f->skip_block;
2151 $self->_load_objects ($f)
1507 or return; 2152 or return;
1508 2153
1509 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2154 $self->post_load_original
1510 if delete $self->{load_original}; 2155 if delete $self->{load_original};
1511 2156
1512 if (my $uniq = $self->uniq_path) { 2157 if (my $uniq = $self->uniq_path) {
1513 utf8::encode $uniq; 2158 utf8::encode $uniq;
1514 if (aio_open $uniq, O_RDONLY, 0) { 2159 unless (aio_stat $uniq) {
2160 if (my $f = new_from_file cf::object::thawer $uniq) {
1515 $self->clear_unique_items; 2161 $self->clear_unique_items;
1516 $self->_load_objects ($uniq, 0); 2162 $self->_load_objects ($f);
2163 $f->resolve_delayed_derefs;
2164 }
1517 } 2165 }
1518 } 2166 }
1519 2167
1520 Coro::cede; 2168 $f->resolve_delayed_derefs;
2169
2170 cf::cede_to_tick;
1521 # now do the right thing for maps 2171 # now do the right thing for maps
1522 $self->link_multipart_objects; 2172 $self->link_multipart_objects;
1523 Coro::cede;
1524
1525 unless ($self->{deny_activate}) {
1526 $self->decay_objects;
1527 $self->fix_auto_apply;
1528 $self->update_buttons;
1529 Coro::cede;
1530 $self->set_darkness_map;
1531 $self->difficulty ($self->estimate_difficulty) 2173 $self->difficulty ($self->estimate_difficulty)
1532 unless $self->difficulty; 2174 unless $self->difficulty;
1533 Coro::cede; 2175 cf::cede_to_tick;
2176
2177 unless ($self->{deny_activate}) {
2178 $self->decay_objects;
2179 $self->fix_auto_apply;
2180 $self->update_buttons;
2181 cf::cede_to_tick;
1534 $self->activate; 2182 $self->activate;
1535 Coro::cede; 2183 }
2184
2185 $self->{last_save} = $cf::RUNTIME;
2186 $self->last_access ($cf::RUNTIME);
2187
2188 $self->in_memory (cf::MAP_ACTIVE);
1536 } 2189 }
1537 2190
1538 $self->post_load; 2191 $self->post_load;
1539 Coro::cede;
1540
1541 $self->in_memory (cf::MAP_IN_MEMORY);
1542} 2192}
1543 2193
2194# customize the map for a given player, i.e.
2195# return the _real_ map. used by e.g. per-player
2196# maps to change the path to ~playername/mappath
1544sub customise_for { 2197sub customise_for {
1545 my ($self, $ob) = @_; 2198 my ($self, $ob) = @_;
1546 2199
1547 return find "~" . $ob->name . "/" . $self->{path} 2200 return find "~" . $ob->name . "/" . $self->{path}
1548 if $self->per_player; 2201 if $self->per_player;
1549 2202
2203# return find "?party/" . $ob->name . "/" . $self->{path}
2204# if $self->per_party;
2205
1550 $self 2206 $self
1551} 2207}
1552 2208
1553# find and load all maps in the 3x3 area around a map 2209# find and load all maps in the 3x3 area around a map
1554sub load_diag { 2210sub load_neighbours {
1555 my ($map) = @_; 2211 my ($map) = @_;
1556 2212
1557 my @diag; # diagonal neighbours 2213 my @neigh; # diagonal neighbours
1558 2214
1559 for (0 .. 3) { 2215 for (0 .. 3) {
1560 my $neigh = $map->tile_path ($_) 2216 my $neigh = $map->tile_path ($_)
1561 or next; 2217 or next;
1562 $neigh = find $neigh, $map 2218 $neigh = find $neigh, $map
1563 or next; 2219 or next;
1564 $neigh->load; 2220 $neigh->load;
1565 2221
2222 # now find the diagonal neighbours
2223 push @neigh,
1566 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2224 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1567 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2225 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1568 } 2226 }
1569 2227
1570 for (@diag) { 2228 for (grep defined $_->[0], @neigh) {
2229 my ($path, $origin) = @$_;
1571 my $neigh = find @$_ 2230 my $neigh = find $path, $origin
1572 or next; 2231 or next;
1573 $neigh->load; 2232 $neigh->load;
1574 } 2233 }
1575} 2234}
1576 2235
1577sub find_sync { 2236sub find_sync {
1578 my ($path, $origin) = @_; 2237 my ($path, $origin) = @_;
1579 2238
1580 cf::sync_job { find $path, $origin } 2239 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2240 if $Coro::current == $Coro::main;
2241
2242 find $path, $origin
1581} 2243}
1582 2244
1583sub do_load_sync { 2245sub do_load_sync {
1584 my ($map) = @_; 2246 my ($map) = @_;
1585 2247
1586 cf::sync_job { $map->load }; 2248 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2249 if $Coro::current == $Coro::main;
2250
2251 $map->load;
1587} 2252}
1588 2253
1589our %MAP_PREFETCH; 2254our %MAP_PREFETCH;
1590our $MAP_PREFETCHER = undef; 2255our $MAP_PREFETCHER = undef;
1591 2256
1592sub find_async { 2257sub find_async {
1593 my ($path, $origin) = @_; 2258 my ($path, $origin, $load) = @_;
1594 2259
1595 $path = normalise $path, $origin && $origin->{path}; 2260 $path = normalise $path, $origin && $origin->{path};
1596 2261
1597 if (my $map = $cf::MAP{$path}) { 2262 if (my $map = $cf::MAP{$path}) {
1598 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2263 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1599 } 2264 }
1600 2265
1601 undef $MAP_PREFETCH{$path}; 2266 $MAP_PREFETCH{$path} |= $load;
2267
1602 $MAP_PREFETCHER ||= cf::async { 2268 $MAP_PREFETCHER ||= cf::async {
2269 $Coro::current->{desc} = "map prefetcher";
2270
1603 while (%MAP_PREFETCH) { 2271 while (%MAP_PREFETCH) {
1604 for my $path (keys %MAP_PREFETCH) { 2272 while (my ($k, $v) = each %MAP_PREFETCH) {
1605 my $map = find $path 2273 if (my $map = find $k) {
1606 or next;
1607 $map->load; 2274 $map->load if $v;
2275 }
1608 2276
1609 delete $MAP_PREFETCH{$path}; 2277 delete $MAP_PREFETCH{$k};
1610 } 2278 }
1611 } 2279 }
1612 undef $MAP_PREFETCHER; 2280 undef $MAP_PREFETCHER;
1613 }; 2281 };
1614 $MAP_PREFETCHER->prio (6); 2282 $MAP_PREFETCHER->prio (6);
1615 2283
1616 () 2284 ()
1617} 2285}
1618 2286
2287# common code, used by both ->save and ->swapout
1619sub save { 2288sub _save {
1620 my ($self) = @_; 2289 my ($self) = @_;
1621
1622 my $lock = cf::lock_acquire "map_data:" . $self->path;
1623 2290
1624 $self->{last_save} = $cf::RUNTIME; 2291 $self->{last_save} = $cf::RUNTIME;
1625 2292
1626 return unless $self->dirty; 2293 return unless $self->dirty;
1627 2294
… …
1633 return if $self->{deny_save}; 2300 return if $self->{deny_save};
1634 2301
1635 local $self->{last_access} = $self->last_access;#d# 2302 local $self->{last_access} = $self->last_access;#d#
1636 2303
1637 cf::async { 2304 cf::async {
2305 $Coro::current->{desc} = "map player save";
1638 $_->contr->save for $self->players; 2306 $_->contr->save for $self->players;
1639 }; 2307 };
2308
2309 cf::get_slot 0.02;
1640 2310
1641 if ($uniq) { 2311 if ($uniq) {
1642 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2312 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1643 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2313 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1644 } else { 2314 } else {
1645 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2315 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1646 } 2316 }
1647} 2317}
1648 2318
2319sub save {
2320 my ($self) = @_;
2321
2322 my $lock = cf::lock_acquire "map_data:$self->{path}";
2323
2324 $self->_save;
2325}
2326
1649sub swap_out { 2327sub swap_out {
1650 my ($self) = @_; 2328 my ($self) = @_;
1651 2329
1652 # save first because save cedes
1653 $self->save;
1654
1655 my $lock = cf::lock_acquire "map_data:" . $self->path; 2330 my $lock = cf::lock_acquire "map_data:$self->{path}";
1656 2331
2332 return if $self->in_memory != cf::MAP_ACTIVE;
2333 return if $self->{deny_save};
1657 return if $self->players; 2334 return if $self->players;
1658 return if $self->in_memory != cf::MAP_IN_MEMORY;
1659 return if $self->{deny_save};
1660 2335
2336 # first deactivate the map and "unlink" it from the core
2337 $self->deactivate;
2338 $_->clear_links_to ($self) for values %cf::MAP;
2339 $self->in_memory (cf::MAP_SWAPPED);
2340
2341 # then atomically save
2342 $self->_save;
2343
2344 # then free the map
1661 $self->clear; 2345 $self->clear;
1662 $self->in_memory (cf::MAP_SWAPPED);
1663} 2346}
1664 2347
1665sub reset_at { 2348sub reset_at {
1666 my ($self) = @_; 2349 my ($self) = @_;
1667 2350
1668 # TODO: safety, remove and allow resettable per-player maps 2351 # TODO: safety, remove and allow resettable per-player maps
1669 return 1e99 if $self->isa ("ext::map_per_player");#d#
1670 return 1e99 if $self->{deny_reset}; 2352 return 1e99 if $self->{deny_reset};
1671 2353
1672 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2354 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1673 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2355 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1674 2356
… …
1685 my ($self) = @_; 2367 my ($self) = @_;
1686 2368
1687 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2369 my $lock = cf::lock_acquire "map_data:$self->{path}";
1688 2370
1689 return if $self->players; 2371 return if $self->players;
1690 return if $self->isa ("ext::map_per_player");#d#
1691 2372
1692 warn "resetting map ", $self->path;#d# 2373 cf::trace "resetting map ", $self->path, "\n";
1693 2374
1694 $self->in_memory (cf::MAP_SWAPPED); 2375 $self->in_memory (cf::MAP_SWAPPED);
1695 2376
1696 # need to save uniques path 2377 # need to save uniques path
1697 unless ($self->{deny_save}) { 2378 unless ($self->{deny_save}) {
… …
1701 if $uniq; 2382 if $uniq;
1702 } 2383 }
1703 2384
1704 delete $cf::MAP{$self->path}; 2385 delete $cf::MAP{$self->path};
1705 2386
2387 $self->deactivate;
2388 $_->clear_links_to ($self) for values %cf::MAP;
1706 $self->clear; 2389 $self->clear;
1707
1708 $_->clear_links_to ($self) for values %cf::MAP;
1709 2390
1710 $self->unlink_save; 2391 $self->unlink_save;
1711 $self->destroy; 2392 $self->destroy;
1712} 2393}
1713 2394
1714my $nuke_counter = "aaaa"; 2395my $nuke_counter = "aaaa";
1715 2396
1716sub nuke { 2397sub nuke {
1717 my ($self) = @_; 2398 my ($self) = @_;
1718 2399
2400 {
2401 my $lock = cf::lock_acquire "map_data:$self->{path}";
2402
1719 delete $cf::MAP{$self->path}; 2403 delete $cf::MAP{$self->path};
1720 2404
1721 $self->unlink_save; 2405 $self->unlink_save;
1722 2406
1723 bless $self, "cf::map"; 2407 bless $self, "cf::map::wrap";
1724 delete $self->{deny_reset}; 2408 delete $self->{deny_reset};
1725 $self->{deny_save} = 1; 2409 $self->{deny_save} = 1;
1726 $self->reset_timeout (1); 2410 $self->reset_timeout (1);
1727 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2411 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1728 2412
1729 $cf::MAP{$self->path} = $self; 2413 $cf::MAP{$self->path} = $self;
2414 }
1730 2415
1731 $self->reset; # polite request, might not happen 2416 $self->reset; # polite request, might not happen
2417}
2418
2419=item $maps = cf::map::tmp_maps
2420
2421Returns an arrayref with all map paths of currently instantiated and saved
2422maps. May block.
2423
2424=cut
2425
2426sub tmp_maps() {
2427 [
2428 map {
2429 utf8::decode $_;
2430 /\.map$/
2431 ? normalise $_
2432 : ()
2433 } @{ aio_readdir $TMPDIR or [] }
2434 ]
2435}
2436
2437=item $maps = cf::map::random_maps
2438
2439Returns an arrayref with all map paths of currently instantiated and saved
2440random maps. May block.
2441
2442=cut
2443
2444sub random_maps() {
2445 [
2446 map {
2447 utf8::decode $_;
2448 /\.map$/
2449 ? normalise "?random/$_"
2450 : ()
2451 } @{ aio_readdir $RANDOMDIR or [] }
2452 ]
1732} 2453}
1733 2454
1734=item cf::map::unique_maps 2455=item cf::map::unique_maps
1735 2456
1736Returns an arrayref of paths of all shared maps that have 2457Returns an arrayref of paths of all shared maps that have
1737instantiated unique items. May block. 2458instantiated unique items. May block.
1738 2459
1739=cut 2460=cut
1740 2461
1741sub unique_maps() { 2462sub unique_maps() {
1742 my $files = aio_readdir $UNIQUEDIR 2463 [
1743 or return; 2464 map {
1744
1745 my @paths;
1746
1747 for (@$files) {
1748 utf8::decode $_; 2465 utf8::decode $_;
1749 next if /\.pst$/; 2466 s/\.map$//; # TODO future compatibility hack
1750 next unless /^$PATH_SEP/o; 2467 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1751 2468 ? ()
1752 push @paths, cf::map::normalise $_; 2469 : normalise $_
2470 } @{ aio_readdir $UNIQUEDIR or [] }
1753 } 2471 ]
1754
1755 \@paths
1756} 2472}
1757 2473
1758package cf; 2474=item cf::map::static_maps
2475
2476Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2477file in the shared directory excluding F</styles> and F</editor>). May
2478block.
2479
2480=cut
2481
2482sub static_maps() {
2483 my @dirs = "";
2484 my @maps;
2485
2486 while (@dirs) {
2487 my $dir = shift @dirs;
2488
2489 next if $dir eq "/styles" || $dir eq "/editor";
2490
2491 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2492 or return;
2493
2494 for (@$files) {
2495 s/\.map$// or next;
2496 utf8::decode $_;
2497 push @maps, "$dir/$_";
2498 }
2499
2500 push @dirs, map "$dir/$_", @$dirs;
2501 }
2502
2503 \@maps
2504}
1759 2505
1760=back 2506=back
1761 2507
1762=head3 cf::object 2508=head3 cf::object
1763 2509
… …
1767 2513
1768=over 4 2514=over 4
1769 2515
1770=item $ob->inv_recursive 2516=item $ob->inv_recursive
1771 2517
1772Returns the inventory of the object _and_ their inventories, recursively. 2518Returns the inventory of the object I<and> their inventories, recursively,
2519but I<not> the object itself.
1773 2520
1774=cut 2521=cut
1775 2522
1776sub inv_recursive_; 2523sub inv_recursive_;
1777sub inv_recursive_ { 2524sub inv_recursive_ {
… …
1780 2527
1781sub inv_recursive { 2528sub inv_recursive {
1782 inv_recursive_ inv $_[0] 2529 inv_recursive_ inv $_[0]
1783} 2530}
1784 2531
2532=item $ref = $ob->ref
2533
2534Creates and returns a persistent reference to an object that can be stored as a string.
2535
2536=item $ob = cf::object::deref ($refstring)
2537
2538returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2539even if the object actually exists. May block.
2540
2541=cut
2542
2543sub deref {
2544 my ($ref) = @_;
2545
2546 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2547 my ($uuid, $name) = ($1, $2);
2548 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2549 or return;
2550 $pl->ob->uuid eq $uuid
2551 or return;
2552
2553 $pl->ob
2554 } else {
2555 warn "$ref: cannot resolve object reference\n";
2556 undef
2557 }
2558}
2559
1785package cf; 2560package cf;
1786 2561
1787=back 2562=back
1788 2563
1789=head3 cf::object::player 2564=head3 cf::object::player
… …
1795Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2570Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1796can be C<undef>. Does the right thing when the player is currently in a 2571can be C<undef>. Does the right thing when the player is currently in a
1797dialogue with the given NPC character. 2572dialogue with the given NPC character.
1798 2573
1799=cut 2574=cut
2575
2576our $SAY_CHANNEL = {
2577 id => "say",
2578 title => "Map",
2579 reply => "say ",
2580 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2581};
2582
2583our $CHAT_CHANNEL = {
2584 id => "chat",
2585 title => "Chat",
2586 reply => "chat ",
2587 tooltip => "Player chat and shouts, global to the server.",
2588};
1800 2589
1801# rough implementation of a future "reply" method that works 2590# rough implementation of a future "reply" method that works
1802# with dialog boxes. 2591# with dialog boxes.
1803#TODO: the first argument must go, split into a $npc->reply_to ( method 2592#TODO: the first argument must go, split into a $npc->reply_to ( method
1804sub cf::object::player::reply($$$;$) { 2593sub cf::object::player::reply($$$;$) {
… …
1806 2595
1807 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2596 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1808 2597
1809 if ($self->{record_replies}) { 2598 if ($self->{record_replies}) {
1810 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2599 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2600
1811 } else { 2601 } else {
2602 my $pl = $self->contr;
2603
2604 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2605 my $dialog = $pl->{npc_dialog};
2606 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2607
2608 } else {
1812 $msg = $npc->name . " says: $msg" if $npc; 2609 $msg = $npc->name . " says: $msg" if $npc;
1813 $self->message ($msg, $flags); 2610 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2611 }
1814 } 2612 }
2613}
2614
2615=item $object->send_msg ($channel, $msg, $color, [extra...])
2616
2617=cut
2618
2619sub cf::object::send_msg {
2620 my $pl = shift->contr
2621 or return;
2622 $pl->send_msg (@_);
1815} 2623}
1816 2624
1817=item $player_object->may ("access") 2625=item $player_object->may ("access")
1818 2626
1819Returns wether the given player is authorized to access resource "access" 2627Returns wether the given player is authorized to access resource "access"
… …
1832 2640
1833=item $player_object->enter_link 2641=item $player_object->enter_link
1834 2642
1835Freezes the player and moves him/her to a special map (C<{link}>). 2643Freezes the player and moves him/her to a special map (C<{link}>).
1836 2644
1837The player should be reasonably safe there for short amounts of time. You 2645The player should be reasonably safe there for short amounts of time (e.g.
1838I<MUST> call C<leave_link> as soon as possible, though. 2646for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2647though, as the player cannot control the character while it is on the link
2648map.
1839 2649
1840Will never block. 2650Will never block.
1841 2651
1842=item $player_object->leave_link ($map, $x, $y) 2652=item $player_object->leave_link ($map, $x, $y)
1843 2653
… …
1863sub cf::object::player::enter_link { 2673sub cf::object::player::enter_link {
1864 my ($self) = @_; 2674 my ($self) = @_;
1865 2675
1866 $self->deactivate_recursive; 2676 $self->deactivate_recursive;
1867 2677
2678 ++$self->{_link_recursion};
2679
1868 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2680 return if UNIVERSAL::isa $self->map, "ext::map_link";
1869 2681
1870 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2682 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1871 if $self->map; 2683 if $self->map && $self->map->{path} ne "{link}";
1872 2684
1873 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2685 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1874} 2686}
1875 2687
1876sub cf::object::player::leave_link { 2688sub cf::object::player::leave_link {
1877 my ($self, $map, $x, $y) = @_; 2689 my ($self, $map, $x, $y) = @_;
2690
2691 return unless $self->contr->active;
1878 2692
1879 my $link_pos = delete $self->{_link_pos}; 2693 my $link_pos = delete $self->{_link_pos};
1880 2694
1881 unless ($map) { 2695 unless ($map) {
1882 # restore original map position 2696 # restore original map position
… …
1893 ($x, $y) = (-1, -1) 2707 ($x, $y) = (-1, -1)
1894 unless (defined $x) && (defined $y); 2708 unless (defined $x) && (defined $y);
1895 2709
1896 # use -1 or undef as default coordinates, not 0, 0 2710 # use -1 or undef as default coordinates, not 0, 0
1897 ($x, $y) = ($map->enter_x, $map->enter_y) 2711 ($x, $y) = ($map->enter_x, $map->enter_y)
1898 if $x <=0 && $y <= 0; 2712 if $x <= 0 && $y <= 0;
1899 2713
1900 $map->load; 2714 $map->load;
1901 $map->load_diag; 2715 $map->load_neighbours;
1902 2716
1903 return unless $self->contr->active; 2717 return unless $self->contr->active;
1904 $self->activate_recursive;
1905 2718
1906 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2719 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1907 $self->enter_map ($map, $x, $y); 2720 if ($self->enter_map ($map, $x, $y)) {
1908} 2721 # entering was successful
1909 2722 delete $self->{_link_recursion};
1910cf::player->attach ( 2723 # only activate afterwards, to support waiting in hooks
1911 on_logout => sub { 2724 $self->activate_recursive;
1912 my ($pl) = @_;
1913
1914 # abort map switching before logout
1915 if ($pl->ob->{_link_pos}) {
1916 cf::sync_job {
1917 $pl->ob->leave_link
1918 };
1919 }
1920 }, 2725 }
1921 on_login => sub {
1922 my ($pl) = @_;
1923 2726
1924 # try to abort aborted map switching on player login :) 2727}
1925 # should happen only on crashes
1926 if ($pl->ob->{_link_pos}) {
1927 $pl->ob->enter_link;
1928 (async {
1929 $pl->ob->reply (undef,
1930 "There was an internal problem at your last logout, "
1931 . "the server will try to bring you to your intended destination in a second.",
1932 cf::NDI_RED);
1933 # we need this sleep as the login has a concurrent enter_exit running
1934 # and this sleep increases chances of the player not ending up in scorn
1935 Coro::Timer::sleep 1;
1936 $pl->ob->leave_link;
1937 })->prio (2);
1938 }
1939 },
1940);
1941 2728
1942=item $player_object->goto ($path, $x, $y) 2729=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1943 2730
2731Moves the player to the given map-path and coordinates by first freezing
2732her, loading and preparing them map, calling the provided $check callback
2733that has to return the map if sucecssful, and then unfreezes the player on
2734the new (success) or old (failed) map position. In either case, $done will
2735be called at the end of this process.
2736
2737Note that $check will be called with a potentially non-loaded map, so if
2738it needs a loaded map it has to call C<< ->load >>.
2739
1944=cut 2740=cut
2741
2742our $GOTOGEN;
1945 2743
1946sub cf::object::player::goto { 2744sub cf::object::player::goto {
1947 my ($self, $path, $x, $y) = @_; 2745 my ($self, $path, $x, $y, $check, $done) = @_;
2746
2747 if ($self->{_link_recursion} >= $MAX_LINKS) {
2748 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2749 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2750 ($path, $x, $y) = @$EMERGENCY_POSITION;
2751 }
2752
2753 # do generation counting so two concurrent goto's will be executed in-order
2754 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1948 2755
1949 $self->enter_link; 2756 $self->enter_link;
1950 2757
1951 (async { 2758 (async {
2759 $Coro::current->{desc} = "player::goto $path $x $y";
2760
2761 # *tag paths override both path and x|y
2762 if ($path =~ /^\*(.*)$/) {
2763 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2764 my $ob = $obs[rand @obs];
2765
2766 # see if we actually can go there
2767 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2768 $ob = $obs[rand @obs];
2769 } else {
2770 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2771 }
2772 # else put us there anyways for now #d#
2773
2774 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2775 } else {
2776 ($path, $x, $y) = (undef, undef, undef);
2777 }
2778 }
2779
1952 my $map = eval { 2780 my $map = eval {
1953 my $map = cf::map::find $path; 2781 my $map = defined $path ? cf::map::find $path : undef;
2782
2783 if ($map) {
1954 $map = $map->customise_for ($self) if $map; 2784 $map = $map->customise_for ($self);
2785 $map = $check->($map, $x, $y, $self) if $check && $map;
2786 } else {
2787 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2788 }
2789
1955 $map 2790 $map
2791 };
2792
2793 if ($@) {
2794 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2795 LOG llevError | logBacktrace, Carp::longmess $@;
1956 } or 2796 }
1957 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1958 2797
2798 if ($gen == $self->{_goto_generation}) {
2799 delete $self->{_goto_generation};
1959 $self->leave_link ($map, $x, $y); 2800 $self->leave_link ($map, $x, $y);
2801 }
2802
2803 $done->($self) if $done;
1960 })->prio (1); 2804 })->prio (1);
1961} 2805}
1962 2806
1963=item $player_object->enter_exit ($exit_object) 2807=item $player_object->enter_exit ($exit_object)
1964 2808
… …
1984} 2828}
1985 2829
1986sub prepare_random_map { 2830sub prepare_random_map {
1987 my ($exit) = @_; 2831 my ($exit) = @_;
1988 2832
1989 my $guard = cf::lock_acquire "exit_prepare:$exit";
1990
1991 # all this does is basically replace the /! path by 2833 # all this does is basically replace the /! path by
1992 # a new random map path (?random/...) with a seed 2834 # a new random map path (?random/...) with a seed
1993 # that depends on the exit object 2835 # that depends on the exit object
1994 2836
1995 my $rmp = parse_random_map_params $exit->msg; 2837 my $rmp = parse_random_map_params $exit->msg;
… …
1997 if ($exit->map) { 2839 if ($exit->map) {
1998 $rmp->{region} = $exit->region->name; 2840 $rmp->{region} = $exit->region->name;
1999 $rmp->{origin_map} = $exit->map->path; 2841 $rmp->{origin_map} = $exit->map->path;
2000 $rmp->{origin_x} = $exit->x; 2842 $rmp->{origin_x} = $exit->x;
2001 $rmp->{origin_y} = $exit->y; 2843 $rmp->{origin_y} = $exit->y;
2844
2845 $exit->map->touch;
2002 } 2846 }
2003 2847
2004 $rmp->{random_seed} ||= $exit->random_seed; 2848 $rmp->{random_seed} ||= $exit->random_seed;
2005 2849
2006 my $data = cf::to_json $rmp; 2850 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2007 my $md5 = Digest::MD5::md5_hex $data; 2851 my $md5 = Digest::MD5::md5_hex $data;
2008 my $meta = "$RANDOMDIR/$md5.meta"; 2852 my $meta = "$RANDOMDIR/$md5.meta";
2009 2853
2010 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2854 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2011 aio_write $fh, 0, (length $data), $data, 0; 2855 aio_write $fh, 0, (length $data), $data, 0;
2012 undef $fh; 2856 undef $fh;
2013 aio_rename "$meta~", $meta; 2857 aio_rename "$meta~", $meta;
2014 2858
2859 my $slaying = "?random/$md5";
2860
2861 if ($exit->valid) {
2015 $exit->slaying ("?random/$md5"); 2862 $exit->slaying ("?random/$md5");
2016 $exit->msg (undef); 2863 $exit->msg (undef);
2864 }
2017 } 2865 }
2018} 2866}
2019 2867
2020sub cf::object::player::enter_exit { 2868sub cf::object::player::enter_exit {
2021 my ($self, $exit) = @_; 2869 my ($self, $exit) = @_;
2022 2870
2023 return unless $self->type == cf::PLAYER; 2871 return unless $self->type == cf::PLAYER;
2024 2872
2025 if ($exit->slaying eq "/!") {
2026 #TODO: this should de-fi-ni-te-ly not be a sync-job
2027 # the problem is that $exit might not survive long enough
2028 # so it needs to be done right now, right here
2029 cf::sync_job { prepare_random_map $exit };
2030 }
2031
2032 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2033 my $hp = $exit->stats->hp;
2034 my $sp = $exit->stats->sp;
2035
2036 $self->enter_link; 2873 $self->enter_link;
2037 2874
2038 (async { 2875 (async {
2039 $self->deactivate_recursive; # just to be sure 2876 $Coro::current->{desc} = "enter_exit";
2877
2040 unless (eval { 2878 unless (eval {
2879 $self->deactivate_recursive; # just to be sure
2880
2881 # random map handling
2882 {
2883 my $guard = cf::lock_acquire "exit_prepare:$exit";
2884
2885 prepare_random_map $exit
2886 if $exit->slaying eq "/!";
2887 }
2888
2889 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2890 my $x = $exit->stats->hp;
2891 my $y = $exit->stats->sp;
2892
2041 $self->goto ($slaying, $hp, $sp); 2893 $self->goto ($map, $x, $y);
2042 2894
2895 # if exit is damned, update players death & WoR home-position
2896 $self->contr->savebed ($map, $x, $y)
2897 if $exit->flag (cf::FLAG_DAMNED);
2898
2043 1; 2899 1
2044 }) { 2900 }) {
2045 $self->message ("Something went wrong deep within the crossfire server. " 2901 $self->message ("Something went wrong deep within the deliantra server. "
2046 . "I'll try to bring you back to the map you were before. " 2902 . "I'll try to bring you back to the map you were before. "
2047 . "Please report this to the dungeon master!", 2903 . "Please report this to the dungeon master!",
2048 cf::NDI_UNIQUE | cf::NDI_RED); 2904 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2905
2050 warn "ERROR in enter_exit: $@"; 2906 error "ERROR in enter_exit: $@";
2051 $self->leave_link; 2907 $self->leave_link;
2052 } 2908 }
2053 })->prio (1); 2909 })->prio (1);
2054} 2910}
2055 2911
… …
2069 2925
2070 utf8::encode $text; 2926 utf8::encode $text;
2071 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2927 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2072} 2928}
2073 2929
2930=item $client->send_big_packet ($pkt)
2931
2932Like C<send_packet>, but tries to compress large packets, and fragments
2933them as required.
2934
2935=cut
2936
2937our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2938
2939sub cf::client::send_big_packet {
2940 my ($self, $pkt) = @_;
2941
2942 # try lzf for large packets
2943 $pkt = "lzf " . Compress::LZF::compress $pkt
2944 if 1024 <= length $pkt and $self->{can_lzf};
2945
2946 # split very large packets
2947 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2948 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2949 $pkt = "frag";
2950 }
2951
2952 $self->send_packet ($pkt);
2953}
2954
2955=item $client->send_msg ($channel, $msg, $color, [extra...])
2956
2957Send a drawinfo or msg packet to the client, formatting the msg for the
2958client if neccessary. C<$type> should be a string identifying the type of
2959the message, with C<log> being the default. If C<$color> is negative, suppress
2960the message unless the client supports the msg packet.
2961
2962=cut
2963
2964# non-persistent channels (usually the info channel)
2965our %CHANNEL = (
2966 "c/motd" => {
2967 id => "infobox",
2968 title => "MOTD",
2969 reply => undef,
2970 tooltip => "The message of the day",
2971 },
2972 "c/identify" => {
2973 id => "infobox",
2974 title => "Identify",
2975 reply => undef,
2976 tooltip => "Items recently identified",
2977 },
2978 "c/examine" => {
2979 id => "infobox",
2980 title => "Examine",
2981 reply => undef,
2982 tooltip => "Signs and other items you examined",
2983 },
2984 "c/shopinfo" => {
2985 id => "infobox",
2986 title => "Shop Info",
2987 reply => undef,
2988 tooltip => "What your bargaining skill tells you about the shop",
2989 },
2990 "c/book" => {
2991 id => "infobox",
2992 title => "Book",
2993 reply => undef,
2994 tooltip => "The contents of a note or book",
2995 },
2996 "c/lookat" => {
2997 id => "infobox",
2998 title => "Look",
2999 reply => undef,
3000 tooltip => "What you saw there",
3001 },
3002 "c/who" => {
3003 id => "infobox",
3004 title => "Players",
3005 reply => undef,
3006 tooltip => "Shows players who are currently online",
3007 },
3008 "c/body" => {
3009 id => "infobox",
3010 title => "Body Parts",
3011 reply => undef,
3012 tooltip => "Shows which body parts you posess and are available",
3013 },
3014 "c/statistics" => {
3015 id => "infobox",
3016 title => "Statistics",
3017 reply => undef,
3018 tooltip => "Shows your primary statistics",
3019 },
3020 "c/skills" => {
3021 id => "infobox",
3022 title => "Skills",
3023 reply => undef,
3024 tooltip => "Shows your experience per skill and item power",
3025 },
3026 "c/shopitems" => {
3027 id => "infobox",
3028 title => "Shop Items",
3029 reply => undef,
3030 tooltip => "Shows the items currently for sale in this shop",
3031 },
3032 "c/resistances" => {
3033 id => "infobox",
3034 title => "Resistances",
3035 reply => undef,
3036 tooltip => "Shows your resistances",
3037 },
3038 "c/pets" => {
3039 id => "infobox",
3040 title => "Pets",
3041 reply => undef,
3042 tooltip => "Shows information abotu your pets/a specific pet",
3043 },
3044 "c/perceiveself" => {
3045 id => "infobox",
3046 title => "Perceive Self",
3047 reply => undef,
3048 tooltip => "You gained detailed knowledge about yourself",
3049 },
3050 "c/uptime" => {
3051 id => "infobox",
3052 title => "Uptime",
3053 reply => undef,
3054 tooltip => "How long the server has been running since last restart",
3055 },
3056 "c/mapinfo" => {
3057 id => "infobox",
3058 title => "Map Info",
3059 reply => undef,
3060 tooltip => "Information related to the maps",
3061 },
3062 "c/party" => {
3063 id => "party",
3064 title => "Party",
3065 reply => "gsay ",
3066 tooltip => "Messages and chat related to your party",
3067 },
3068 "c/death" => {
3069 id => "death",
3070 title => "Death",
3071 reply => undef,
3072 tooltip => "Reason for and more info about your most recent death",
3073 },
3074 "c/say" => $SAY_CHANNEL,
3075 "c/chat" => $CHAT_CHANNEL,
3076);
3077
3078sub cf::client::send_msg {
3079 my ($self, $channel, $msg, $color, @extra) = @_;
3080
3081 $msg = $self->pl->expand_cfpod ($msg)
3082 unless $color & cf::NDI_VERBATIM;
3083
3084 $color &= cf::NDI_CLIENT_MASK; # just in case...
3085
3086 # check predefined channels, for the benefit of C
3087 if ($CHANNEL{$channel}) {
3088 $channel = $CHANNEL{$channel};
3089
3090 $self->ext_msg (channel_info => $channel);
3091 $channel = $channel->{id};
3092
3093 } elsif (ref $channel) {
3094 # send meta info to client, if not yet sent
3095 unless (exists $self->{channel}{$channel->{id}}) {
3096 $self->{channel}{$channel->{id}} = $channel;
3097 $self->ext_msg (channel_info => $channel);
3098 }
3099
3100 $channel = $channel->{id};
3101 }
3102
3103 return unless @extra || length $msg;
3104
3105 # default colour, mask it out
3106 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3107 if $color & cf::NDI_DEF;
3108
3109 my $pkt = "msg "
3110 . $self->{json_coder}->encode (
3111 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3112 );
3113
3114 $self->send_big_packet ($pkt);
3115}
3116
2074=item $client->ext_event ($type, %msg) 3117=item $client->ext_msg ($type, @msg)
2075 3118
2076Sends an exti event to the client. 3119Sends an ext event to the client.
2077 3120
2078=cut 3121=cut
2079 3122
2080sub cf::client::ext_event($$%) { 3123sub cf::client::ext_msg($$@) {
2081 my ($self, $type, %msg) = @_; 3124 my ($self, $type, @msg) = @_;
2082 3125
3126 if ($self->extcmd == 2) {
3127 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3128 } elsif ($self->extcmd == 1) { # TODO: remove
2083 $msg{msgtype} = "event_$type"; 3129 push @msg, msgtype => "event_$type";
2084 $self->send_packet ("ext " . cf::to_json \%msg); 3130 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3131 }
3132}
3133
3134=item $client->ext_reply ($msgid, @msg)
3135
3136Sends an ext reply to the client.
3137
3138=cut
3139
3140sub cf::client::ext_reply($$@) {
3141 my ($self, $id, @msg) = @_;
3142
3143 if ($self->extcmd == 2) {
3144 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3145 } elsif ($self->extcmd == 1) {
3146 #TODO: version 1, remove
3147 unshift @msg, msgtype => "reply", msgid => $id;
3148 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3149 }
2085} 3150}
2086 3151
2087=item $success = $client->query ($flags, "text", \&cb) 3152=item $success = $client->query ($flags, "text", \&cb)
2088 3153
2089Queues a query to the client, calling the given callback with 3154Queues a query to the client, calling the given callback with
2090the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3155the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2091C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3156C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2092 3157
2093Queries can fail, so check the return code. Or don't, as queries will become 3158Queries can fail, so check the return code. Or don't, as queries will
2094reliable at some point in the future. 3159become reliable at some point in the future.
2095 3160
2096=cut 3161=cut
2097 3162
2098sub cf::client::query { 3163sub cf::client::query {
2099 my ($self, $flags, $text, $cb) = @_; 3164 my ($self, $flags, $text, $cb) = @_;
… …
2107 utf8::encode $text; 3172 utf8::encode $text;
2108 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3173 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2109 3174
2110 $self->send_packet ($self->{query_queue}[0][0]) 3175 $self->send_packet ($self->{query_queue}[0][0])
2111 if @{ $self->{query_queue} } == 1; 3176 if @{ $self->{query_queue} } == 1;
3177
3178 1
2112} 3179}
2113 3180
2114cf::client->attach ( 3181cf::client->attach (
3182 on_connect => sub {
3183 my ($ns) = @_;
3184
3185 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3186 },
2115 on_reply => sub { 3187 on_reply => sub {
2116 my ($ns, $msg) = @_; 3188 my ($ns, $msg) = @_;
2117 3189
2118 # this weird shuffling is so that direct followup queries 3190 # this weird shuffling is so that direct followup queries
2119 # get handled first 3191 # get handled first
… …
2131 } else { 3203 } else {
2132 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3204 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2133 } 3205 }
2134 } 3206 }
2135 }, 3207 },
3208 on_exticmd => sub {
3209 my ($ns, $buf) = @_;
3210
3211 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3212
3213 if (ref $msg) {
3214 my ($type, $reply, @payload) =
3215 "ARRAY" eq ref $msg
3216 ? @$msg
3217 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3218
3219 my @reply;
3220
3221 if (my $cb = $EXTICMD{$type}) {
3222 @reply = $cb->($ns, @payload);
3223 }
3224
3225 $ns->ext_reply ($reply, @reply)
3226 if $reply;
3227
3228 } else {
3229 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3230 }
3231
3232 cf::override;
3233 },
2136); 3234);
2137 3235
2138=item $client->async (\&cb) 3236=item $client->async (\&cb)
2139 3237
2140Create a new coroutine, running the specified callback. The coroutine will 3238Create a new coroutine, running the specified callback. The coroutine will
… …
2156 3254
2157 $coro 3255 $coro
2158} 3256}
2159 3257
2160cf::client->attach ( 3258cf::client->attach (
2161 on_destroy => sub { 3259 on_client_destroy => sub {
2162 my ($ns) = @_; 3260 my ($ns) = @_;
2163 3261
2164 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3262 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2165 }, 3263 },
2166); 3264);
… …
2181our $safe = new Safe "safe"; 3279our $safe = new Safe "safe";
2182our $safe_hole = new Safe::Hole; 3280our $safe_hole = new Safe::Hole;
2183 3281
2184$SIG{FPE} = 'IGNORE'; 3282$SIG{FPE} = 'IGNORE';
2185 3283
2186$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3284$safe->permit_only (Opcode::opset qw(
3285 :base_core :base_mem :base_orig :base_math :base_loop
3286 grepstart grepwhile mapstart mapwhile
3287 sort time
3288));
2187 3289
2188# here we export the classes and methods available to script code 3290# here we export the classes and methods available to script code
2189 3291
2190=pod 3292=pod
2191 3293
2192The following functions and methods are available within a safe environment: 3294The following functions and methods are available within a safe environment:
2193 3295
2194 cf::object contr pay_amount pay_player map 3296 cf::object
3297 contr pay_amount pay_player map x y force_find force_add destroy
3298 insert remove name archname title slaying race decrease split
3299 value
3300
2195 cf::object::player player 3301 cf::object::player
2196 cf::player peaceful 3302 player
2197 cf::map trigger 3303
3304 cf::player
3305 peaceful
3306
3307 cf::map
3308 trigger
2198 3309
2199=cut 3310=cut
2200 3311
2201for ( 3312for (
2202 ["cf::object" => qw(contr pay_amount pay_player map)], 3313 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3314 insert remove inv nrof name archname title slaying race
3315 decrease split destroy change_exp value msg lore send_msg)],
2203 ["cf::object::player" => qw(player)], 3316 ["cf::object::player" => qw(player)],
2204 ["cf::player" => qw(peaceful)], 3317 ["cf::player" => qw(peaceful send_msg)],
2205 ["cf::map" => qw(trigger)], 3318 ["cf::map" => qw(trigger)],
2206) { 3319) {
2207 no strict 'refs';
2208 my ($pkg, @funs) = @$_; 3320 my ($pkg, @funs) = @$_;
2209 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3321 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2210 for @funs; 3322 for @funs;
2211} 3323}
2212 3324
… …
2227 3339
2228 my $qcode = $code; 3340 my $qcode = $code;
2229 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3341 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2230 $qcode =~ s/\n/\\n/g; 3342 $qcode =~ s/\n/\\n/g;
2231 3343
3344 %vars = (_dummy => 0) unless %vars;
3345
3346 my @res;
2232 local $_; 3347 local $_;
2233 local @safe::cf::_safe_eval_args = values %vars;
2234 3348
2235 my $eval = 3349 my $eval =
2236 "do {\n" 3350 "do {\n"
2237 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3351 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2238 . "#line 0 \"{$qcode}\"\n" 3352 . "#line 0 \"{$qcode}\"\n"
2239 . $code 3353 . $code
2240 . "\n}" 3354 . "\n}"
2241 ; 3355 ;
2242 3356
3357 if ($CFG{safe_eval}) {
2243 sub_generation_inc; 3358 sub_generation_inc;
3359 local @safe::cf::_safe_eval_args = values %vars;
2244 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3360 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2245 sub_generation_inc; 3361 sub_generation_inc;
3362 } else {
3363 local @cf::_safe_eval_args = values %vars;
3364 @res = wantarray ? eval eval : scalar eval $eval;
3365 }
2246 3366
2247 if ($@) { 3367 if ($@) {
2248 warn "$@"; 3368 warn "$@",
2249 warn "while executing safe code '$code'\n"; 3369 "while executing safe code '$code'\n",
2250 warn "with arguments " . (join " ", %vars) . "\n"; 3370 "with arguments " . (join " ", %vars) . "\n";
2251 } 3371 }
2252 3372
2253 wantarray ? @res : $res[0] 3373 wantarray ? @res : $res[0]
2254} 3374}
2255 3375
… …
2269=cut 3389=cut
2270 3390
2271sub register_script_function { 3391sub register_script_function {
2272 my ($fun, $cb) = @_; 3392 my ($fun, $cb) = @_;
2273 3393
2274 no strict 'refs'; 3394 $fun = "safe::$fun" if $CFG{safe_eval};
2275 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3395 *$fun = $safe_hole->wrap ($cb);
2276} 3396}
2277 3397
2278=back 3398=back
2279 3399
2280=cut 3400=cut
2281
2282#############################################################################
2283
2284=head2 EXTENSION DATABASE SUPPORT
2285
2286Crossfire maintains a very simple database for extension use. It can
2287currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2288convert to/from binary).
2289
2290The parameter C<$family> should best start with the name of the extension
2291using it, it should be unique.
2292
2293=over 4
2294
2295=item $value = cf::db_get $family => $key
2296
2297Returns a single value from the database.
2298
2299=item cf::db_put $family => $key => $value
2300
2301Stores the given C<$value> in the family.
2302
2303=cut
2304
2305our $DB;
2306
2307sub db_init {
2308 unless ($DB) {
2309 $DB = BDB::db_create $DB_ENV;
2310
2311 cf::sync_job {
2312 eval {
2313 $DB->set_flags (BDB::CHKSUM);
2314
2315 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2316 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2317 cf::cleanup "db_open(db): $!" if $!;
2318 };
2319 cf::cleanup "db_open(db): $@" if $@;
2320 };
2321 }
2322}
2323
2324sub db_get($$) {
2325 my $key = "$_[0]/$_[1]";
2326
2327 cf::sync_job {
2328 BDB::db_get $DB, undef, $key, my $data;
2329
2330 $! ? ()
2331 : $data
2332 }
2333}
2334
2335sub db_put($$$) {
2336 BDB::dbreq_pri 4;
2337 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2338}
2339
2340=item cf::cache $id => [$paths...], $processversion => $process
2341
2342Generic caching function that returns the value of the resource $id,
2343caching and regenerating as required.
2344
2345This function can block.
2346
2347=cut
2348
2349sub cache {
2350 my ($id, $src, $processversion, $process) = @_;
2351
2352 my $meta =
2353 join "\x00",
2354 $processversion,
2355 map {
2356 aio_stat $_
2357 and Carp::croak "$_: $!";
2358
2359 ($_, (stat _)[7,9])
2360 } @$src;
2361
2362 my $dbmeta = db_get cache => "$id/meta";
2363 if ($dbmeta ne $meta) {
2364 # changed, we may need to process
2365
2366 my @data;
2367 my $md5;
2368
2369 for (0 .. $#$src) {
2370 0 <= aio_load $src->[$_], $data[$_]
2371 or Carp::croak "$src->[$_]: $!";
2372 }
2373
2374 # if processing is expensive, check
2375 # checksum first
2376 if (1) {
2377 $md5 =
2378 join "\x00",
2379 $processversion,
2380 map {
2381 Coro::cede;
2382 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2383 } 0.. $#$src;
2384
2385
2386 my $dbmd5 = db_get cache => "$id/md5";
2387 if ($dbmd5 eq $md5) {
2388 db_put cache => "$id/meta", $meta;
2389
2390 return db_get cache => "$id/data";
2391 }
2392 }
2393
2394 my $t1 = Time::HiRes::time;
2395 my $data = $process->(\@data);
2396 my $t2 = Time::HiRes::time;
2397
2398 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2399
2400 db_put cache => "$id/data", $data;
2401 db_put cache => "$id/md5" , $md5;
2402 db_put cache => "$id/meta", $meta;
2403
2404 return $data;
2405 }
2406
2407 db_get cache => "$id/data"
2408}
2409
2410=item fork_call { }, $args
2411
2412Executes the given code block with the given arguments in a seperate
2413process, returning the results. Everything must be serialisable with
2414Coro::Storable. May, of course, block. Note that the executed sub may
2415never block itself or use any form of Event handling.
2416
2417=cut
2418
2419sub fork_call(&@) {
2420 my ($cb, @args) = @_;
2421
2422# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2423# or die "socketpair: $!";
2424 pipe my $fh1, my $fh2
2425 or die "pipe: $!";
2426
2427 if (my $pid = fork) {
2428 close $fh2;
2429
2430 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2431 $res = Coro::Storable::thaw $res;
2432
2433 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2434
2435 die $$res unless "ARRAY" eq ref $res;
2436
2437 return wantarray ? @$res : $res->[-1];
2438 } else {
2439 local $SIG{__WARN__};
2440 eval {
2441 local $SIG{__DIE__};
2442 close $fh1;
2443
2444 my @res = eval { $cb->(@args) };
2445 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2446 };
2447
2448 warn $@ if $@;
2449 _exit 0;
2450 }
2451}
2452
2453
2454 3401
2455############################################################################# 3402#############################################################################
2456# the server's init and main functions 3403# the server's init and main functions
2457 3404
2458sub load_facedata($) { 3405sub load_facedata($) {
2459 my ($path) = @_; 3406 my ($path) = @_;
2460 3407
3408 # HACK to clear player env face cache, we need some signal framework
3409 # for this (global event?)
3410 %ext::player_env::MUSIC_FACE_CACHE = ();
3411
3412 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3413
2461 warn "loading facedata from $path\n"; 3414 trace "loading facedata from $path\n";
2462 3415
2463 my $facedata;
2464 0 < aio_load $path, $facedata 3416 0 < aio_load $path, my $facedata
2465 or die "$path: $!"; 3417 or die "$path: $!";
2466 3418
2467 $facedata = Coro::Storable::thaw $facedata; 3419 $facedata = Coro::Storable::thaw $facedata;
2468 3420
2469 $facedata->{version} == 2 3421 $facedata->{version} == 2
2470 or cf::cleanup "$path: version mismatch, cannot proceed."; 3422 or cf::cleanup "$path: version mismatch, cannot proceed.";
2471 3423
3424 # patch in the exptable
3425 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3426 $facedata->{resource}{"res/exp_table"} = {
3427 type => FT_RSRC,
3428 data => $exp_table,
3429 hash => (Digest::MD5::md5 $exp_table),
3430 };
3431 cf::cede_to_tick;
3432
2472 { 3433 {
2473 my $faces = $facedata->{faceinfo}; 3434 my $faces = $facedata->{faceinfo};
2474 3435
2475 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2476 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3437 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3438
2477 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3439 cf::face::set_visibility $idx, $info->{visibility};
3440 cf::face::set_magicmap $idx, $info->{magicmap};
2478 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3441 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2479 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3442 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2480 Coro::cede; 3443
3444 cf::cede_to_tick;
2481 } 3445 }
2482 3446
2483 while (my ($face, $info) = each %$faces) { 3447 while (my ($face, $info) = each %$faces) {
2484 next unless $info->{smooth}; 3448 next unless $info->{smooth};
3449
2485 my $idx = cf::face::find $face 3450 my $idx = cf::face::find $face
2486 or next; 3451 or next;
3452
2487 if (my $smooth = cf::face::find $info->{smooth}) { 3453 if (my $smooth = cf::face::find $info->{smooth}) {
3454 cf::face::set_smooth $idx, $smooth;
2488 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3455 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2489 } else { 3456 } else {
2490 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3457 error "smooth face '$info->{smooth}' not found for face '$face'";
2491 } 3458 }
2492 Coro::cede; 3459
3460 cf::cede_to_tick;
2493 } 3461 }
2494 } 3462 }
2495 3463
2496 { 3464 {
2497 my $anims = $facedata->{animinfo}; 3465 my $anims = $facedata->{animinfo};
2498 3466
2499 while (my ($anim, $info) = each %$anims) { 3467 while (my ($anim, $info) = each %$anims) {
2500 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3468 cf::anim::set $anim, $info->{frames}, $info->{facings};
2501 Coro::cede; 3469 cf::cede_to_tick;
2502 } 3470 }
2503 3471
2504 cf::anim::invalidate_all; # d'oh 3472 cf::anim::invalidate_all; # d'oh
2505 } 3473 }
2506 3474
3475 {
3476 my $res = $facedata->{resource};
3477
3478 while (my ($name, $info) = each %$res) {
3479 if (defined $info->{type}) {
3480 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3481
3482 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3483 cf::face::set_type $idx, $info->{type};
3484 } else {
3485 $RESOURCE{$name} = $info; # unused
3486 }
3487
3488 cf::cede_to_tick;
3489 }
3490 }
3491
3492 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3493
2507 1 3494 1
2508} 3495}
2509 3496
3497register_exticmd fx_want => sub {
3498 my ($ns, $want) = @_;
3499
3500 while (my ($k, $v) = each %$want) {
3501 $ns->fx_want ($k, $v);
3502 }
3503};
3504
3505sub load_resource_file($) {
3506 my $guard = lock_acquire "load_resource_file";
3507
3508 my $status = load_resource_file_ $_[0];
3509 get_slot 0.1, 100;
3510 cf::arch::commit_load;
3511
3512 $status
3513}
3514
2510sub reload_regions { 3515sub reload_regions {
3516 # HACK to clear player env face cache, we need some signal framework
3517 # for this (global event?)
3518 %ext::player_env::MUSIC_FACE_CACHE = ();
3519
2511 load_resource_file "$MAPDIR/regions" 3520 load_resource_file "$MAPDIR/regions"
2512 or die "unable to load regions file\n"; 3521 or die "unable to load regions file\n";
3522
3523 for (cf::region::list) {
3524 $_->{match} = qr/$_->{match}/
3525 if exists $_->{match};
3526 }
2513} 3527}
2514 3528
2515sub reload_facedata { 3529sub reload_facedata {
2516 load_facedata "$DATADIR/facedata" 3530 load_facedata "$DATADIR/facedata"
2517 or die "unable to load facedata\n"; 3531 or die "unable to load facedata\n";
… …
2525sub reload_treasures { 3539sub reload_treasures {
2526 load_resource_file "$DATADIR/treasures" 3540 load_resource_file "$DATADIR/treasures"
2527 or die "unable to load treasurelists\n"; 3541 or die "unable to load treasurelists\n";
2528} 3542}
2529 3543
3544sub reload_sound {
3545 trace "loading sound config from $DATADIR/sound\n";
3546
3547 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3548 or die "$DATADIR/sound $!";
3549
3550 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3551
3552 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3553 my $sound = $soundconf->{compat}[$_]
3554 or next;
3555
3556 my $face = cf::face::find "sound/$sound->[1]";
3557 cf::sound::set $sound->[0] => $face;
3558 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3559 }
3560
3561 while (my ($k, $v) = each %{$soundconf->{event}}) {
3562 my $face = cf::face::find "sound/$v";
3563 cf::sound::set $k => $face;
3564 }
3565}
3566
2530sub reload_resources { 3567sub reload_resources {
2531 warn "reloading resource files...\n"; 3568 trace "reloading resource files...\n";
2532 3569
3570 reload_exp_table;
3571 reload_materials;
3572 reload_facedata;
3573 reload_sound;
3574 reload_archetypes;
2533 reload_regions; 3575 reload_regions;
2534 reload_facedata;
2535 reload_archetypes;
2536 reload_treasures; 3576 reload_treasures;
2537 3577
2538 warn "finished reloading resource files\n"; 3578 trace "finished reloading resource files\n";
2539} 3579}
2540 3580
2541sub init { 3581sub reload_config {
2542 reload_resources; 3582 trace "reloading config file...\n";
2543}
2544 3583
2545sub cfg_load { 3584 0 < aio_load "$CONFDIR/config", my $config
2546 open my $fh, "<:utf8", "$CONFDIR/config" 3585 or die "$CONFDIR/config: $!";
2547 or return;
2548 3586
2549 local $/; 3587 utf8::decode $config;
2550 *CFG = YAML::Syck::Load <$fh>; 3588 *CFG = yaml_load $config;
2551 3589
2552 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3590 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2553 3591
2554 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3592 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2555 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3593 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2556 3594
2557 if (exists $CFG{mlockall}) { 3595 if (exists $CFG{mlockall}) {
… …
2561 }; 3599 };
2562 warn $@ if $@; 3600 warn $@ if $@;
2563 } 3601 }
2564} 3602}
2565 3603
3604sub pidfile() {
3605 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3606 or die "$PIDFILE: $!";
3607 flock $fh, &Fcntl::LOCK_EX
3608 or die "$PIDFILE: flock: $!";
3609 $fh
3610}
3611
3612# make sure only one server instance is running at any one time
3613sub atomic {
3614 my $fh = pidfile;
3615
3616 my $pid = <$fh>;
3617 kill 9, $pid if $pid > 0;
3618
3619 seek $fh, 0, 0;
3620 print $fh $$;
3621}
3622
3623sub main_loop {
3624 trace "EV::loop starting\n";
3625 if (1) {
3626 EV::loop;
3627 }
3628 trace "EV::loop returned\n";
3629 goto &main_loop unless $REALLY_UNLOOP;
3630}
3631
2566sub main { 3632sub main {
3633 cf::init_globals; # initialise logging
3634
3635 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3636 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3637 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3638 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3639
3640 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3641
2567 # we must not ever block the main coroutine 3642 # we must not ever block the main coroutine
2568 local $Coro::idle = sub { 3643 local $Coro::idle = sub {
2569 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3644 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2570 (async { 3645 (async {
2571 Event::one_event; 3646 $Coro::current->{desc} = "IDLE BUG HANDLER";
3647 EV::loop EV::LOOP_ONESHOT;
2572 })->prio (Coro::PRIO_MAX); 3648 })->prio (Coro::PRIO_MAX);
2573 }; 3649 };
2574 3650
2575 cfg_load; 3651 evthread_start IO::AIO::poll_fileno;
3652
3653 cf::sync_job {
3654 cf::incloader::init ();
3655
3656 cf::init_anim;
3657 cf::init_attackmess;
3658 cf::init_dynamic;
3659
3660 cf::load_settings;
3661
3662 reload_resources;
3663 reload_config;
2576 db_init; 3664 db_init;
3665
3666 cf::init_uuid;
3667 cf::init_signals;
3668 cf::init_skills;
3669
3670 cf::init_beforeplay;
3671
3672 atomic;
3673
2577 load_extensions; 3674 load_extensions;
2578 3675
2579 $TICK_WATCHER->start; 3676 utime time, time, $RUNTIMEFILE;
2580 Event::loop; 3677
3678 # no (long-running) fork's whatsoever before this point(!)
3679 use POSIX ();
3680 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3681
3682 cf::_post_init 0;
3683 };
3684
3685 cf::object::thawer::errors_are_fatal 0;
3686 info "parse errors in files are no longer fatal from this point on.\n";
3687
3688 my $free_main; $free_main = EV::idle sub {
3689 undef $free_main;
3690 undef &main; # free gobs of memory :)
3691 };
3692
3693 goto &main_loop;
2581} 3694}
2582 3695
2583############################################################################# 3696#############################################################################
2584# initialisation and cleanup 3697# initialisation and cleanup
2585 3698
2586# install some emergency cleanup handlers 3699# install some emergency cleanup handlers
2587BEGIN { 3700BEGIN {
3701 our %SIGWATCHER = ();
2588 for my $signal (qw(INT HUP TERM)) { 3702 for my $signal (qw(INT HUP TERM)) {
2589 Event->signal ( 3703 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2590 reentrant => 0,
2591 data => WF_AUTOCANCEL,
2592 signal => $signal,
2593 prio => 0,
2594 cb => sub {
2595 cf::cleanup "SIG$signal"; 3704 cf::cleanup "SIG$signal";
2596 },
2597 ); 3705 };
3706 }
3707}
3708
3709sub write_runtime_sync {
3710 my $t0 = AE::time;
3711
3712 # first touch the runtime file to show we are still running:
3713 # the fsync below can take a very very long time.
3714
3715 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3716
3717 my $guard = cf::lock_acquire "write_runtime";
3718
3719 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3720 or return;
3721
3722 my $value = $cf::RUNTIME + 90 + 10;
3723 # 10 is the runtime save interval, for a monotonic clock
3724 # 60 allows for the watchdog to kill the server.
3725
3726 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3727 and return;
3728
3729 # always fsync - this file is important
3730 aio_fsync $fh
3731 and return;
3732
3733 # touch it again to show we are up-to-date
3734 aio_utime $fh, undef, undef;
3735
3736 close $fh
3737 or return;
3738
3739 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3740 and return;
3741
3742 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3743
2598 } 3744 1
3745}
3746
3747our $uuid_lock;
3748our $uuid_skip;
3749
3750sub write_uuid_sync($) {
3751 $uuid_skip ||= $_[0];
3752
3753 return if $uuid_lock;
3754 local $uuid_lock = 1;
3755
3756 my $uuid = "$LOCALDIR/uuid";
3757
3758 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3759 or return;
3760
3761 my $value = uuid_seq uuid_cur;
3762
3763 unless ($value) {
3764 info "cowardly refusing to write zero uuid value!\n";
3765 return;
3766 }
3767
3768 my $value = uuid_str $value + $uuid_skip;
3769 $uuid_skip = 0;
3770
3771 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3772 and return;
3773
3774 # always fsync - this file is important
3775 aio_fsync $fh
3776 and return;
3777
3778 close $fh
3779 or return;
3780
3781 aio_rename "$uuid~", $uuid
3782 and return;
3783
3784 trace "uuid file written ($value).\n";
3785
3786 1
3787
3788}
3789
3790sub write_uuid($$) {
3791 my ($skip, $sync) = @_;
3792
3793 $sync ? write_uuid_sync $skip
3794 : async { write_uuid_sync $skip };
2599} 3795}
2600 3796
2601sub emergency_save() { 3797sub emergency_save() {
2602 my $freeze_guard = cf::freeze_mainloop; 3798 my $freeze_guard = cf::freeze_mainloop;
2603 3799
2604 warn "enter emergency perl save\n"; 3800 info "emergency_perl_save: enter\n";
3801
3802 # this is a trade-off: we want to be very quick here, so
3803 # save all maps without fsync, and later call a global sync
3804 # (which in turn might be very very slow)
3805 local $USE_FSYNC = 0;
2605 3806
2606 cf::sync_job { 3807 cf::sync_job {
3808 cf::write_runtime_sync; # external watchdog should not bark
3809
2607 # use a peculiar iteration method to avoid tripping on perl 3810 # use a peculiar iteration method to avoid tripping on perl
2608 # refcount bugs in for. also avoids problems with players 3811 # refcount bugs in for. also avoids problems with players
2609 # and maps saved/destroyed asynchronously. 3812 # and maps saved/destroyed asynchronously.
2610 warn "begin emergency player save\n"; 3813 info "emergency_perl_save: begin player save\n";
2611 for my $login (keys %cf::PLAYER) { 3814 for my $login (keys %cf::PLAYER) {
2612 my $pl = $cf::PLAYER{$login} or next; 3815 my $pl = $cf::PLAYER{$login} or next;
2613 $pl->valid or next; 3816 $pl->valid or next;
3817 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2614 $pl->save; 3818 $pl->save;
2615 } 3819 }
2616 warn "end emergency player save\n"; 3820 info "emergency_perl_save: end player save\n";
2617 3821
2618 warn "begin emergency map save\n"; 3822 cf::write_runtime_sync; # external watchdog should not bark
3823
3824 info "emergency_perl_save: begin map save\n";
2619 for my $path (keys %cf::MAP) { 3825 for my $path (keys %cf::MAP) {
2620 my $map = $cf::MAP{$path} or next; 3826 my $map = $cf::MAP{$path} or next;
2621 $map->valid or next; 3827 $map->valid or next;
2622 $map->save; 3828 $map->save;
2623 } 3829 }
2624 warn "end emergency map save\n"; 3830 info "emergency_perl_save: end map save\n";
2625 3831
2626 warn "begin emergency database checkpoint\n"; 3832 cf::write_runtime_sync; # external watchdog should not bark
3833
3834 info "emergency_perl_save: begin database checkpoint\n";
2627 BDB::db_env_txn_checkpoint $DB_ENV; 3835 BDB::db_env_txn_checkpoint $DB_ENV;
2628 warn "end emergency database checkpoint\n"; 3836 info "emergency_perl_save: end database checkpoint\n";
3837
3838 info "emergency_perl_save: begin write uuid\n";
3839 write_uuid_sync 1;
3840 info "emergency_perl_save: end write uuid\n";
3841
3842 cf::write_runtime_sync; # external watchdog should not bark
3843
3844 trace "emergency_perl_save: syncing database to disk";
3845 BDB::db_env_txn_checkpoint $DB_ENV;
3846
3847 info "emergency_perl_save: starting sync\n";
3848 IO::AIO::aio_sync sub {
3849 info "emergency_perl_save: finished sync\n";
3850 };
3851
3852 cf::write_runtime_sync; # external watchdog should not bark
3853
3854 trace "emergency_perl_save: flushing outstanding aio requests";
3855 while (IO::AIO::nreqs || BDB::nreqs) {
3856 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3857 }
3858
3859 cf::write_runtime_sync; # external watchdog should not bark
2629 }; 3860 };
2630 3861
2631 warn "leave emergency perl save\n"; 3862 info "emergency_perl_save: leave\n";
2632} 3863}
2633 3864
2634sub post_cleanup { 3865sub post_cleanup {
2635 my ($make_core) = @_; 3866 my ($make_core) = @_;
2636 3867
3868 IO::AIO::flush;
3869
2637 warn Carp::longmess "post_cleanup backtrace" 3870 error Carp::longmess "post_cleanup backtrace"
2638 if $make_core; 3871 if $make_core;
3872
3873 my $fh = pidfile;
3874 unlink $PIDFILE if <$fh> == $$;
3875}
3876
3877# a safer delete_package, copied from Symbol
3878sub clear_package($) {
3879 my $pkg = shift;
3880
3881 # expand to full symbol table name if needed
3882 unless ($pkg =~ /^main::.*::$/) {
3883 $pkg = "main$pkg" if $pkg =~ /^::/;
3884 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3885 $pkg .= '::' unless $pkg =~ /::$/;
3886 }
3887
3888 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3889 my $stem_symtab = *{$stem}{HASH};
3890
3891 defined $stem_symtab and exists $stem_symtab->{$leaf}
3892 or return;
3893
3894 # clear all symbols
3895 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3896 for my $name (keys %$leaf_symtab) {
3897 _gv_clear *{"$pkg$name"};
3898# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3899 }
2639} 3900}
2640 3901
2641sub do_reload_perl() { 3902sub do_reload_perl() {
2642 # can/must only be called in main 3903 # can/must only be called in main
2643 if ($Coro::current != $Coro::main) { 3904 unless (in_main) {
2644 warn "can only reload from main coroutine"; 3905 error "can only reload from main coroutine";
2645 return; 3906 return;
2646 } 3907 }
2647 3908
2648 warn "reloading..."; 3909 return if $RELOAD++;
2649 3910
2650 warn "entering sync_job"; 3911 my $t1 = AE::time;
2651 3912
3913 while ($RELOAD) {
3914 cf::get_slot 0.1, -1, "reload_perl";
3915 info "perl_reload: reloading...";
3916
3917 trace "perl_reload: entering sync_job";
3918
2652 cf::sync_job { 3919 cf::sync_job {
2653 cf::write_runtime; # external watchdog should not bark
2654 cf::emergency_save; 3920 #cf::emergency_save;
2655 cf::write_runtime; # external watchdog should not bark
2656 3921
2657 warn "syncing database to disk";
2658 BDB::db_env_txn_checkpoint $DB_ENV;
2659
2660 # if anything goes wrong in here, we should simply crash as we already saved
2661
2662 warn "cancelling all WF_AUTOCANCEL watchers";
2663 for (Event::all_watchers) {
2664 $_->cancel if $_->data & WF_AUTOCANCEL;
2665 }
2666
2667 warn "flushing outstanding aio requests";
2668 for (;;) {
2669 BDB::flush;
2670 IO::AIO::flush;
2671 Coro::cede;
2672 last unless IO::AIO::nreqs || BDB::nreqs;
2673 warn "iterate...";
2674 }
2675
2676 ++$RELOAD;
2677
2678 warn "cancelling all extension coros"; 3922 trace "perl_reload: cancelling all extension coros";
2679 $_->cancel for values %EXT_CORO; 3923 $_->cancel for values %EXT_CORO;
2680 %EXT_CORO = (); 3924 %EXT_CORO = ();
2681 3925
2682 warn "removing commands"; 3926 trace "perl_reload: removing commands";
2683 %COMMAND = (); 3927 %COMMAND = ();
2684 3928
2685 warn "removing ext commands"; 3929 trace "perl_reload: removing ext/exti commands";
2686 %EXTCMD = (); 3930 %EXTCMD = ();
3931 %EXTICMD = ();
2687 3932
2688 warn "unloading/nuking all extensions"; 3933 trace "perl_reload: unloading/nuking all extensions";
2689 for my $pkg (@EXTS) { 3934 for my $pkg (@EXTS) {
2690 warn "... unloading $pkg"; 3935 trace "... unloading $pkg";
2691 3936
2692 if (my $cb = $pkg->can ("unload")) { 3937 if (my $cb = $pkg->can ("unload")) {
2693 eval { 3938 eval {
2694 $cb->($pkg); 3939 $cb->($pkg);
2695 1 3940 1
2696 } or warn "$pkg unloaded, but with errors: $@"; 3941 } or error "$pkg unloaded, but with errors: $@";
3942 }
3943
3944 trace "... clearing $pkg";
3945 clear_package $pkg;
2697 } 3946 }
2698 3947
2699 warn "... nuking $pkg";
2700 Symbol::delete_package $pkg;
2701 }
2702
2703 warn "unloading all perl modules loaded from $LIBDIR"; 3948 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2704 while (my ($k, $v) = each %INC) { 3949 while (my ($k, $v) = each %INC) {
2705 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3950 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2706 3951
2707 warn "... unloading $k"; 3952 trace "... unloading $k";
2708 delete $INC{$k}; 3953 delete $INC{$k};
2709 3954
2710 $k =~ s/\.pm$//; 3955 $k =~ s/\.pm$//;
2711 $k =~ s/\//::/g; 3956 $k =~ s/\//::/g;
2712 3957
2713 if (my $cb = $k->can ("unload_module")) { 3958 if (my $cb = $k->can ("unload_module")) {
2714 $cb->(); 3959 $cb->();
3960 }
3961
3962 clear_package $k;
2715 } 3963 }
2716 3964
2717 Symbol::delete_package $k;
2718 }
2719
2720 warn "getting rid of safe::, as good as possible"; 3965 trace "perl_reload: getting rid of safe::, as good as possible";
2721 Symbol::delete_package "safe::$_" 3966 clear_package "safe::$_"
2722 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3967 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2723 3968
2724 warn "unloading cf.pm \"a bit\""; 3969 trace "perl_reload: unloading cf.pm \"a bit\"";
2725 delete $INC{"cf.pm"}; 3970 delete $INC{"cf.pm"};
2726 delete $INC{"cf/pod.pm"}; 3971 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2727 3972
2728 # don't, removes xs symbols, too, 3973 # don't, removes xs symbols, too,
2729 # and global variables created in xs 3974 # and global variables created in xs
2730 #Symbol::delete_package __PACKAGE__; 3975 #clear_package __PACKAGE__;
2731 3976
2732 warn "unload completed, starting to reload now"; 3977 info "perl_reload: unload completed, starting to reload now";
2733 3978
2734 warn "reloading cf.pm"; 3979 trace "perl_reload: reloading cf.pm";
2735 require cf; 3980 require cf;
2736 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3981 cf::_connect_to_perl_1;
2737 3982
2738 warn "loading config and database again"; 3983 trace "perl_reload: loading config and database again";
2739 cf::cfg_load; 3984 cf::reload_config;
2740 3985
2741 warn "loading extensions"; 3986 trace "perl_reload: loading extensions";
2742 cf::load_extensions; 3987 cf::load_extensions;
2743 3988
3989 if ($REATTACH_ON_RELOAD) {
2744 warn "reattaching attachments to objects/players"; 3990 trace "perl_reload: reattaching attachments to objects/players";
2745 _global_reattach; # objects, sockets 3991 _global_reattach; # objects, sockets
2746 warn "reattaching attachments to maps"; 3992 trace "perl_reload: reattaching attachments to maps";
2747 reattach $_ for values %MAP; 3993 reattach $_ for values %MAP;
2748 warn "reattaching attachments to players"; 3994 trace "perl_reload: reattaching attachments to players";
2749 reattach $_ for values %PLAYER; 3995 reattach $_ for values %PLAYER;
3996 }
2750 3997
2751 warn "leaving sync_job"; 3998 cf::_post_init 1;
2752 3999
4000 trace "perl_reload: leaving sync_job";
4001
2753 1 4002 1
2754 } or do { 4003 } or do {
2755 warn $@; 4004 error $@;
2756 warn "error while reloading, exiting."; 4005 cf::cleanup "perl_reload: error, exiting.";
2757 exit 1; 4006 };
4007
4008 --$RELOAD;
2758 }; 4009 }
2759 4010
2760 warn "reloaded"; 4011 $t1 = AE::time - $t1;
4012 info "perl_reload: completed in ${t1}s\n";
2761}; 4013};
2762 4014
2763our $RELOAD_WATCHER; # used only during reload 4015our $RELOAD_WATCHER; # used only during reload
2764 4016
2765sub reload_perl() { 4017sub reload_perl() {
2766 # doing reload synchronously and two reloads happen back-to-back, 4018 # doing reload synchronously and two reloads happen back-to-back,
2767 # coro crashes during coro_state_free->destroy here. 4019 # coro crashes during coro_state_free->destroy here.
2768 4020
2769 $RELOAD_WATCHER ||= Event->timer ( 4021 $RELOAD_WATCHER ||= cf::async {
2770 reentrant => 0, 4022 Coro::AIO::aio_wait cache_extensions;
2771 after => 0, 4023
2772 data => WF_AUTOCANCEL, 4024 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2773 cb => sub {
2774 do_reload_perl; 4025 do_reload_perl;
2775 undef $RELOAD_WATCHER; 4026 undef $RELOAD_WATCHER;
2776 }, 4027 };
2777 ); 4028 };
2778} 4029}
2779 4030
2780register_command "reload" => sub { 4031register_command "reload" => sub {
2781 my ($who, $arg) = @_; 4032 my ($who, $arg) = @_;
2782 4033
2783 if ($who->flag (FLAG_WIZ)) { 4034 if ($who->flag (FLAG_WIZ)) {
2784 $who->message ("reloading server."); 4035 $who->message ("reloading server.");
4036 async {
4037 $Coro::current->{desc} = "perl_reload";
2785 async { reload_perl }; 4038 reload_perl;
4039 };
2786 } 4040 }
2787}; 4041};
2788 4042
2789unshift @INC, $LIBDIR; 4043#############################################################################
2790 4044
2791my $bug_warning = 0; 4045my $bug_warning = 0;
2792 4046
2793our @WAIT_FOR_TICK; 4047our @WAIT_FOR_TICK;
2794our @WAIT_FOR_TICK_BEGIN; 4048our @WAIT_FOR_TICK_BEGIN;
2795 4049
2796sub wait_for_tick { 4050sub wait_for_tick() {
2797 return unless $TICK_WATCHER->is_active;
2798 return if $Coro::current == $Coro::main; 4051 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2799 4052
2800 my $signal = new Coro::Signal; 4053 my $signal = new Coro::Signal;
2801 push @WAIT_FOR_TICK, $signal; 4054 push @WAIT_FOR_TICK, $signal;
2802 $signal->wait; 4055 $signal->wait;
2803} 4056}
2804 4057
2805sub wait_for_tick_begin { 4058sub wait_for_tick_begin() {
2806 return unless $TICK_WATCHER->is_active;
2807 return if $Coro::current == $Coro::main; 4059 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2808 4060
2809 my $signal = new Coro::Signal; 4061 my $signal = new Coro::Signal;
2810 push @WAIT_FOR_TICK_BEGIN, $signal; 4062 push @WAIT_FOR_TICK_BEGIN, $signal;
2811 $signal->wait; 4063 $signal->wait;
2812} 4064}
2813 4065
2814$TICK_WATCHER = Event->timer ( 4066sub tick {
2815 reentrant => 0,
2816 parked => 1,
2817 prio => 0,
2818 at => $NEXT_TICK || $TICK,
2819 data => WF_AUTOCANCEL,
2820 cb => sub {
2821 if ($Coro::current != $Coro::main) { 4067 if ($Coro::current != $Coro::main) {
2822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4068 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2823 unless ++$bug_warning > 10; 4069 unless ++$bug_warning > 10;
2824 return; 4070 return;
2825 } 4071 }
2826 4072
2827 $NOW = Event::time;
2828
2829 cf::server_tick; # one server iteration 4073 cf::server_tick; # one server iteration
2830 4074
2831 $RUNTIME += $TICK; 4075 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2832 $NEXT_TICK += $TICK;
2833 4076
2834 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4077 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2835 $NEXT_RUNTIME_WRITE = $NOW + 10; 4078 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2836 Coro::async_pool { 4079 Coro::async_pool {
4080 $Coro::current->{desc} = "runtime saver";
2837 write_runtime 4081 write_runtime_sync
2838 or warn "ERROR: unable to write runtime file: $!"; 4082 or error "ERROR: unable to write runtime file: $!";
2839 };
2840 } 4083 };
4084 }
2841 4085
2842# my $AFTER = Event::time;
2843# warn $AFTER - $NOW;#d#
2844
2845 # if we are delayed by four ticks or more, skip them all
2846 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2847
2848 $TICK_WATCHER->at ($NEXT_TICK);
2849 $TICK_WATCHER->start;
2850
2851 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4086 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2852 $sig->send; 4087 $sig->send;
2853 } 4088 }
2854 while (my $sig = shift @WAIT_FOR_TICK) { 4089 while (my $sig = shift @WAIT_FOR_TICK) {
2855 $sig->send; 4090 $sig->send;
2856 }
2857
2858 _post_tick;
2859 }, 4091 }
2860); 4092
4093 $LOAD = ($NOW - $TICK_START) / $TICK;
4094 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4095
4096 if (0) {
4097 if ($NEXT_TICK) {
4098 my $jitter = $TICK_START - $NEXT_TICK;
4099 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4100 debug "jitter $JITTER\n";#d#
4101 }
4102 }
4103}
2861 4104
2862{ 4105{
2863 BDB::max_poll_time $TICK * 0.1; 4106 # configure BDB
2864 $BDB_POLL_WATCHER = Event->io ( 4107
2865 reentrant => 0,
2866 fd => BDB::poll_fileno,
2867 poll => 'r',
2868 prio => 0,
2869 data => WF_AUTOCANCEL,
2870 cb => \&BDB::poll_cb,
2871 );
2872 BDB::min_parallel 8; 4108 BDB::min_parallel 16;
2873 4109 BDB::max_poll_reqs $TICK * 0.1;
2874 BDB::set_sync_prepare { 4110 $AnyEvent::BDB::WATCHER->priority (1);
2875 my $status;
2876 my $current = $Coro::current;
2877 (
2878 sub {
2879 $status = $!;
2880 $current->ready; undef $current;
2881 },
2882 sub {
2883 Coro::schedule while defined $current;
2884 $! = $status;
2885 },
2886 )
2887 };
2888 4111
2889 unless ($DB_ENV) { 4112 unless ($DB_ENV) {
2890 $DB_ENV = BDB::db_env_create; 4113 $DB_ENV = BDB::db_env_create;
4114 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4115 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4116 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4117 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4118 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2891 4119
2892 cf::sync_job { 4120 cf::sync_job {
2893 eval { 4121 eval {
2894 BDB::db_env_open 4122 BDB::db_env_open
2895 $DB_ENV, 4123 $DB_ENV,
… …
2897 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4125 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2898 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4126 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2899 0666; 4127 0666;
2900 4128
2901 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4129 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2902
2903 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2904 $DB_ENV->set_lk_detect;
2905 }; 4130 };
2906 4131
2907 cf::cleanup "db_env_open(db): $@" if $@; 4132 cf::cleanup "db_env_open(db): $@" if $@;
2908 }; 4133 };
2909 } 4134 }
4135
4136 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4137 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4138 };
4139 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4140 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4141 };
4142 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4143 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4144 };
2910} 4145}
2911 4146
2912{ 4147{
4148 # configure IO::AIO
4149
2913 IO::AIO::min_parallel 8; 4150 IO::AIO::min_parallel 8;
2914
2915 undef $Coro::AIO::WATCHER;
2916 IO::AIO::max_poll_time $TICK * 0.1; 4151 IO::AIO::max_poll_time $TICK * 0.1;
2917 $AIO_POLL_WATCHER = Event->io ( 4152 undef $AnyEvent::AIO::WATCHER;
2918 reentrant => 0, 4153}
2919 data => WF_AUTOCANCEL, 4154
2920 fd => IO::AIO::poll_fileno, 4155my $_log_backtrace;
2921 poll => 'r', 4156
2922 prio => 6, 4157sub _log_backtrace {
2923 cb => \&IO::AIO::poll_cb, 4158 my ($msg, @addr) = @_;
2924 ); 4159
4160 $msg =~ s/\n//;
4161
4162 # limit the # of concurrent backtraces
4163 if ($_log_backtrace < 2) {
4164 ++$_log_backtrace;
4165 my $perl_bt = Carp::longmess $msg;
4166 async {
4167 $Coro::current->{desc} = "abt $msg";
4168
4169 my @bt = fork_call {
4170 @addr = map { sprintf "%x", $_ } @addr;
4171 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4172 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4173 or die "addr2line: $!";
4174
4175 my @funcs;
4176 my @res = <$fh>;
4177 chomp for @res;
4178 while (@res) {
4179 my ($func, $line) = splice @res, 0, 2, ();
4180 push @funcs, "[$func] $line";
4181 }
4182
4183 @funcs
4184 };
4185
4186 LOG llevInfo, "[ABT] $perl_bt\n";
4187 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4188 LOG llevInfo, "[ABT] $_\n" for @bt;
4189 --$_log_backtrace;
4190 };
4191 } else {
4192 LOG llevInfo, "[ABT] $msg\n";
4193 LOG llevInfo, "[ABT] [suppressed]\n";
4194 }
2925} 4195}
2926 4196
2927# load additional modules 4197# load additional modules
2928use cf::pod; 4198require "cf/$_.pm" for @EXTRA_MODULES;
4199cf::_connect_to_perl_2;
2929 4200
2930END { cf::emergency_save } 4201END { cf::emergency_save }
2931 4202
29321 42031
2933 4204

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