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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.256 by root, Sat Apr 21 16:56:32 2007 UTC vs.
Revision 1.551 by root, Sun May 16 13:48:07 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 #
… …
1303 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1304 $path = "$base/$path"; 1936 $path = "$base/$path";
1305 } 1937 }
1306 1938
1307 for ($path) { 1939 for ($path) {
1308 redo if s{//}{/};
1309 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1310 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1311 } 1942 }
1312 1943
1313 $path 1944 $path
… …
1327 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1328 return $self; 1959 return $self;
1329 } 1960 }
1330 } 1961 }
1331 1962
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1333 () 1964 ()
1334} 1965}
1335 1966
1336sub init { 1967sub init {
1337 my ($self) = @_; 1968 my ($self) = @_;
… …
1359 1990
1360# the temporary/swap location 1991# the temporary/swap location
1361sub save_path { 1992sub save_path {
1362 my ($self) = @_; 1993 my ($self) = @_;
1363 1994
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1366} 1997}
1367 1998
1368# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1369sub uniq_path { 2000sub uniq_path {
1370 my ($self) = @_; 2001 my ($self) = @_;
1371 2002
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1374} 2005}
1375 2006
1376# and all this just because we cannot iterate over 2007sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 2008 my ($self) = @_;
1380 2009
1381 $_->change_map_light ($change) 2010 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 2011
2012 $self->do_decay_objects;
1383} 2013}
1384 2014
1385sub unlink_save { 2015sub unlink_save {
1386 my ($self) = @_; 2016 my ($self) = @_;
1387 2017
… …
1392 2022
1393sub load_header_from($) { 2023sub load_header_from($) {
1394 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1395 2025
1396 utf8::encode $path; 2026 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 2028 or return;
2029
2030 $self->_load_header ($f)
2031 or return;
2032
2033 local $MAP_LOADING{$self->{path}} = $self;
2034 $f->resolve_delayed_derefs;
1402 2035
1403 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1404 2037
1405 1 2038 1
1406} 2039}
… …
1445 $self->load_header_orig 2078 $self->load_header_orig
1446 or return; 2079 or return;
1447 $self->prepare_orig; 2080 $self->prepare_orig;
1448 } 2081 }
1449 2082
2083 $self->{deny_reset} = 1
2084 if $self->no_reset;
2085
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2086 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2087 unless $self->default_region;
1452 2088
1453 1 2089 1
1454} 2090}
1455 2091
1456sub find; 2092sub find;
1457sub find { 2093sub find {
1458 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1459 2095
2096 cf::cede_to_tick;
2097
1460 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1461 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2102
1464 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1467 or return; 2105 or return;
1468 2106
1469 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1470 2108
1471 $map->load_header 2109 $map->load_header
1472 or return; 2110 or return;
1473 2111
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1477 $map->reset; 2117 $map->reset;
1478 undef $guard;
1479 return find $path; 2118 return find $path;
1480 } 2119 }
1481 2120
1482 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1483 } 2122 }
1484} 2123}
1485 2124
1486sub pre_load { } 2125sub pre_load { }
1487sub post_load { } 2126#sub post_load { } # XS
1488 2127
1489sub load { 2128sub load {
1490 my ($self) = @_; 2129 my ($self) = @_;
1491 2130
1492 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1493 2132
1494 my $path = $self->{path}; 2133 my $path = $self->{path};
1495 2134
1496 { 2135 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1498 2137
2138 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2140
1501 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1502 2142
1503 $self->alloc; 2143 $self->alloc;
1504 2144
1505 $self->pre_load; 2145 $self->pre_load;
1506 Coro::cede; 2146 cf::cede_to_tick;
1507 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1509 or return; 2151 or return;
1510 2152
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1512 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1513 2155
1514 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2157 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2160 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1519 } 2164 }
1520 } 2165 }
1521 2166
1522 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1523 # now do the right thing for maps 2170 # now do the right thing for maps
1524 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2173 unless $self->difficulty;
1527 Coro::cede; 2174 cf::cede_to_tick;
1528 2175
1529 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2177 $self->decay_objects;
1531 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1532 $self->update_buttons; 2179 $self->update_buttons;
1533 Coro::cede; 2180 cf::cede_to_tick;
1534 $self->set_darkness_map;
1535 Coro::cede;
1536 $self->activate; 2181 $self->activate;
1537 } 2182 }
1538 2183
2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
2186
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1540
1541 undef $guard;
1542 } 2188 }
1543 2189
1544 $self->post_load; 2190 $self->post_load;
1545} 2191}
1546 2192
2193# customize the map for a given player, i.e.
2194# return the _real_ map. used by e.g. per-player
2195# maps to change the path to ~playername/mappath
1547sub customise_for { 2196sub customise_for {
1548 my ($self, $ob) = @_; 2197 my ($self, $ob) = @_;
1549 2198
1550 return find "~" . $ob->name . "/" . $self->{path} 2199 return find "~" . $ob->name . "/" . $self->{path}
1551 if $self->per_player; 2200 if $self->per_player;
1552 2201
2202# return find "?party/" . $ob->name . "/" . $self->{path}
2203# if $self->per_party;
2204
1553 $self 2205 $self
1554} 2206}
1555 2207
1556# find and load all maps in the 3x3 area around a map 2208# find and load all maps in the 3x3 area around a map
1557sub load_diag { 2209sub load_neighbours {
1558 my ($map) = @_; 2210 my ($map) = @_;
1559 2211
1560 my @diag; # diagonal neighbours 2212 my @neigh; # diagonal neighbours
1561 2213
1562 for (0 .. 3) { 2214 for (0 .. 3) {
1563 my $neigh = $map->tile_path ($_) 2215 my $neigh = $map->tile_path ($_)
1564 or next; 2216 or next;
1565 $neigh = find $neigh, $map 2217 $neigh = find $neigh, $map
1566 or next; 2218 or next;
1567 $neigh->load; 2219 $neigh->load;
1568 2220
2221 # now find the diagonal neighbours
2222 push @neigh,
1569 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2223 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1570 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2224 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1571 } 2225 }
1572 2226
1573 for (@diag) { 2227 for (grep defined $_->[0], @neigh) {
2228 my ($path, $origin) = @$_;
1574 my $neigh = find @$_ 2229 my $neigh = find $path, $origin
1575 or next; 2230 or next;
1576 $neigh->load; 2231 $neigh->load;
1577 } 2232 }
1578} 2233}
1579 2234
1580sub find_sync { 2235sub find_sync {
1581 my ($path, $origin) = @_; 2236 my ($path, $origin) = @_;
1582 2237
1583 cf::sync_job { find $path, $origin } 2238 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2239 if $Coro::current == $Coro::main;
2240
2241 find $path, $origin
1584} 2242}
1585 2243
1586sub do_load_sync { 2244sub do_load_sync {
1587 my ($map) = @_; 2245 my ($map) = @_;
1588 2246
1589 cf::sync_job { $map->load }; 2247 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2248 if $Coro::current == $Coro::main;
2249
2250 $map->load;
1590} 2251}
1591 2252
1592our %MAP_PREFETCH; 2253our %MAP_PREFETCH;
1593our $MAP_PREFETCHER = undef; 2254our $MAP_PREFETCHER = undef;
1594 2255
1595sub find_async { 2256sub find_async {
1596 my ($path, $origin) = @_; 2257 my ($path, $origin, $load) = @_;
1597 2258
1598 $path = normalise $path, $origin && $origin->{path}; 2259 $path = normalise $path, $origin && $origin->{path};
1599 2260
1600 if (my $map = $cf::MAP{$path}) { 2261 if (my $map = $cf::MAP{$path}) {
1601 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2262 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1602 } 2263 }
1603 2264
1604 undef $MAP_PREFETCH{$path}; 2265 $MAP_PREFETCH{$path} |= $load;
2266
1605 $MAP_PREFETCHER ||= cf::async { 2267 $MAP_PREFETCHER ||= cf::async {
2268 $Coro::current->{desc} = "map prefetcher";
2269
1606 while (%MAP_PREFETCH) { 2270 while (%MAP_PREFETCH) {
1607 for my $path (keys %MAP_PREFETCH) { 2271 while (my ($k, $v) = each %MAP_PREFETCH) {
1608 my $map = find $path 2272 if (my $map = find $k) {
1609 or next;
1610 $map->load; 2273 $map->load if $v;
2274 }
1611 2275
1612 delete $MAP_PREFETCH{$path}; 2276 delete $MAP_PREFETCH{$k};
1613 } 2277 }
1614 } 2278 }
1615 undef $MAP_PREFETCHER; 2279 undef $MAP_PREFETCHER;
1616 }; 2280 };
1617 $MAP_PREFETCHER->prio (6); 2281 $MAP_PREFETCHER->prio (6);
1618 2282
1619 () 2283 ()
1620} 2284}
1621 2285
2286# common code, used by both ->save and ->swapout
1622sub save { 2287sub _save {
1623 my ($self) = @_; 2288 my ($self) = @_;
1624
1625 my $lock = cf::lock_acquire "map_data:" . $self->path;
1626 2289
1627 $self->{last_save} = $cf::RUNTIME; 2290 $self->{last_save} = $cf::RUNTIME;
1628 2291
1629 return unless $self->dirty; 2292 return unless $self->dirty;
1630 2293
… …
1636 return if $self->{deny_save}; 2299 return if $self->{deny_save};
1637 2300
1638 local $self->{last_access} = $self->last_access;#d# 2301 local $self->{last_access} = $self->last_access;#d#
1639 2302
1640 cf::async { 2303 cf::async {
2304 $Coro::current->{desc} = "map player save";
1641 $_->contr->save for $self->players; 2305 $_->contr->save for $self->players;
1642 }; 2306 };
2307
2308 cf::get_slot 0.02;
1643 2309
1644 if ($uniq) { 2310 if ($uniq) {
1645 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2311 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1646 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2312 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1647 } else { 2313 } else {
1648 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2314 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1649 } 2315 }
1650} 2316}
1651 2317
2318sub save {
2319 my ($self) = @_;
2320
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
2323 $self->_save;
2324}
2325
1652sub swap_out { 2326sub swap_out {
1653 my ($self) = @_; 2327 my ($self) = @_;
1654 2328
1655 # save first because save cedes
1656 $self->save;
1657
1658 my $lock = cf::lock_acquire "map_data:" . $self->path; 2329 my $lock = cf::lock_acquire "map_data:$self->{path}";
1659 2330
2331 return if $self->in_memory != cf::MAP_ACTIVE;
2332 return if $self->{deny_save};
1660 return if $self->players; 2333 return if $self->players;
1661 return if $self->in_memory != cf::MAP_IN_MEMORY;
1662 return if $self->{deny_save};
1663 2334
2335 # first deactivate the map and "unlink" it from the core
2336 $self->deactivate;
2337 $_->clear_links_to ($self) for values %cf::MAP;
2338 $self->in_memory (cf::MAP_SWAPPED);
2339
2340 # then atomically save
2341 $self->_save;
2342
2343 # then free the map
1664 $self->clear; 2344 $self->clear;
1665 $self->in_memory (cf::MAP_SWAPPED);
1666} 2345}
1667 2346
1668sub reset_at { 2347sub reset_at {
1669 my ($self) = @_; 2348 my ($self) = @_;
1670 2349
1671 # TODO: safety, remove and allow resettable per-player maps 2350 # TODO: safety, remove and allow resettable per-player maps
1672 return 1e99 if $self->isa ("ext::map_per_player");#d#
1673 return 1e99 if $self->{deny_reset}; 2351 return 1e99 if $self->{deny_reset};
1674 2352
1675 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2353 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1676 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2354 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1677 2355
… …
1688 my ($self) = @_; 2366 my ($self) = @_;
1689 2367
1690 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2368 my $lock = cf::lock_acquire "map_data:$self->{path}";
1691 2369
1692 return if $self->players; 2370 return if $self->players;
1693 return if $self->isa ("ext::map_per_player");#d#
1694 2371
1695 warn "resetting map ", $self->path;#d# 2372 cf::trace "resetting map ", $self->path, "\n";
1696 2373
1697 $self->in_memory (cf::MAP_SWAPPED); 2374 $self->in_memory (cf::MAP_SWAPPED);
1698 2375
1699 # need to save uniques path 2376 # need to save uniques path
1700 unless ($self->{deny_save}) { 2377 unless ($self->{deny_save}) {
… …
1704 if $uniq; 2381 if $uniq;
1705 } 2382 }
1706 2383
1707 delete $cf::MAP{$self->path}; 2384 delete $cf::MAP{$self->path};
1708 2385
2386 $self->deactivate;
2387 $_->clear_links_to ($self) for values %cf::MAP;
1709 $self->clear; 2388 $self->clear;
1710
1711 $_->clear_links_to ($self) for values %cf::MAP;
1712 2389
1713 $self->unlink_save; 2390 $self->unlink_save;
1714 $self->destroy; 2391 $self->destroy;
1715} 2392}
1716 2393
1717my $nuke_counter = "aaaa"; 2394my $nuke_counter = "aaaa";
1718 2395
1719sub nuke { 2396sub nuke {
1720 my ($self) = @_; 2397 my ($self) = @_;
1721 2398
2399 {
2400 my $lock = cf::lock_acquire "map_data:$self->{path}";
2401
1722 delete $cf::MAP{$self->path}; 2402 delete $cf::MAP{$self->path};
1723 2403
1724 $self->unlink_save; 2404 $self->unlink_save;
1725 2405
1726 bless $self, "cf::map"; 2406 bless $self, "cf::map::wrap";
1727 delete $self->{deny_reset}; 2407 delete $self->{deny_reset};
1728 $self->{deny_save} = 1; 2408 $self->{deny_save} = 1;
1729 $self->reset_timeout (1); 2409 $self->reset_timeout (1);
1730 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2410 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1731 2411
1732 $cf::MAP{$self->path} = $self; 2412 $cf::MAP{$self->path} = $self;
2413 }
1733 2414
1734 $self->reset; # polite request, might not happen 2415 $self->reset; # polite request, might not happen
2416}
2417
2418=item $maps = cf::map::tmp_maps
2419
2420Returns an arrayref with all map paths of currently instantiated and saved
2421maps. May block.
2422
2423=cut
2424
2425sub tmp_maps() {
2426 [
2427 map {
2428 utf8::decode $_;
2429 /\.map$/
2430 ? normalise $_
2431 : ()
2432 } @{ aio_readdir $TMPDIR or [] }
2433 ]
2434}
2435
2436=item $maps = cf::map::random_maps
2437
2438Returns an arrayref with all map paths of currently instantiated and saved
2439random maps. May block.
2440
2441=cut
2442
2443sub random_maps() {
2444 [
2445 map {
2446 utf8::decode $_;
2447 /\.map$/
2448 ? normalise "?random/$_"
2449 : ()
2450 } @{ aio_readdir $RANDOMDIR or [] }
2451 ]
1735} 2452}
1736 2453
1737=item cf::map::unique_maps 2454=item cf::map::unique_maps
1738 2455
1739Returns an arrayref of paths of all shared maps that have 2456Returns an arrayref of paths of all shared maps that have
1740instantiated unique items. May block. 2457instantiated unique items. May block.
1741 2458
1742=cut 2459=cut
1743 2460
1744sub unique_maps() { 2461sub unique_maps() {
1745 my $files = aio_readdir $UNIQUEDIR 2462 [
1746 or return; 2463 map {
1747
1748 my @paths;
1749
1750 for (@$files) {
1751 utf8::decode $_; 2464 utf8::decode $_;
1752 next if /\.pst$/; 2465 s/\.map$//; # TODO future compatibility hack
1753 next unless /^$PATH_SEP/o; 2466 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1754 2467 ? ()
1755 push @paths, cf::map::normalise $_; 2468 : normalise $_
2469 } @{ aio_readdir $UNIQUEDIR or [] }
1756 } 2470 ]
1757
1758 \@paths
1759} 2471}
1760 2472
1761package cf; 2473=item cf::map::static_maps
2474
2475Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2476file in the shared directory excluding F</styles> and F</editor>). May
2477block.
2478
2479=cut
2480
2481sub static_maps() {
2482 my @dirs = "";
2483 my @maps;
2484
2485 while (@dirs) {
2486 my $dir = shift @dirs;
2487
2488 next if $dir eq "/styles" || $dir eq "/editor";
2489
2490 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2491 or return;
2492
2493 for (@$files) {
2494 s/\.map$// or next;
2495 utf8::decode $_;
2496 push @maps, "$dir/$_";
2497 }
2498
2499 push @dirs, map "$dir/$_", @$dirs;
2500 }
2501
2502 \@maps
2503}
1762 2504
1763=back 2505=back
1764 2506
1765=head3 cf::object 2507=head3 cf::object
1766 2508
… …
1770 2512
1771=over 4 2513=over 4
1772 2514
1773=item $ob->inv_recursive 2515=item $ob->inv_recursive
1774 2516
1775Returns the inventory of the object _and_ their inventories, recursively. 2517Returns the inventory of the object I<and> their inventories, recursively,
2518but I<not> the object itself.
1776 2519
1777=cut 2520=cut
1778 2521
1779sub inv_recursive_; 2522sub inv_recursive_;
1780sub inv_recursive_ { 2523sub inv_recursive_ {
… …
1783 2526
1784sub inv_recursive { 2527sub inv_recursive {
1785 inv_recursive_ inv $_[0] 2528 inv_recursive_ inv $_[0]
1786} 2529}
1787 2530
2531=item $ref = $ob->ref
2532
2533Creates and returns a persistent reference to an object that can be stored as a string.
2534
2535=item $ob = cf::object::deref ($refstring)
2536
2537returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2538even if the object actually exists. May block.
2539
2540=cut
2541
2542sub deref {
2543 my ($ref) = @_;
2544
2545 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2546 my ($uuid, $name) = ($1, $2);
2547 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2548 or return;
2549 $pl->ob->uuid eq $uuid
2550 or return;
2551
2552 $pl->ob
2553 } else {
2554 warn "$ref: cannot resolve object reference\n";
2555 undef
2556 }
2557}
2558
1788package cf; 2559package cf;
1789 2560
1790=back 2561=back
1791 2562
1792=head3 cf::object::player 2563=head3 cf::object::player
… …
1798Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2569Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1799can be C<undef>. Does the right thing when the player is currently in a 2570can be C<undef>. Does the right thing when the player is currently in a
1800dialogue with the given NPC character. 2571dialogue with the given NPC character.
1801 2572
1802=cut 2573=cut
2574
2575our $SAY_CHANNEL = {
2576 id => "say",
2577 title => "Map",
2578 reply => "say ",
2579 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2580};
2581
2582our $CHAT_CHANNEL = {
2583 id => "chat",
2584 title => "Chat",
2585 reply => "chat ",
2586 tooltip => "Player chat and shouts, global to the server.",
2587};
1803 2588
1804# rough implementation of a future "reply" method that works 2589# rough implementation of a future "reply" method that works
1805# with dialog boxes. 2590# with dialog boxes.
1806#TODO: the first argument must go, split into a $npc->reply_to ( method 2591#TODO: the first argument must go, split into a $npc->reply_to ( method
1807sub cf::object::player::reply($$$;$) { 2592sub cf::object::player::reply($$$;$) {
… …
1809 2594
1810 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2595 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1811 2596
1812 if ($self->{record_replies}) { 2597 if ($self->{record_replies}) {
1813 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2598 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2599
1814 } else { 2600 } else {
2601 my $pl = $self->contr;
2602
2603 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2604 my $dialog = $pl->{npc_dialog};
2605 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2606
2607 } else {
1815 $msg = $npc->name . " says: $msg" if $npc; 2608 $msg = $npc->name . " says: $msg" if $npc;
1816 $self->message ($msg, $flags); 2609 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2610 }
1817 } 2611 }
2612}
2613
2614=item $object->send_msg ($channel, $msg, $color, [extra...])
2615
2616=cut
2617
2618sub cf::object::send_msg {
2619 my $pl = shift->contr
2620 or return;
2621 $pl->send_msg (@_);
1818} 2622}
1819 2623
1820=item $player_object->may ("access") 2624=item $player_object->may ("access")
1821 2625
1822Returns wether the given player is authorized to access resource "access" 2626Returns wether the given player is authorized to access resource "access"
… …
1835 2639
1836=item $player_object->enter_link 2640=item $player_object->enter_link
1837 2641
1838Freezes the player and moves him/her to a special map (C<{link}>). 2642Freezes the player and moves him/her to a special map (C<{link}>).
1839 2643
1840The player should be reasonably safe there for short amounts of time. You 2644The player should be reasonably safe there for short amounts of time (e.g.
1841I<MUST> call C<leave_link> as soon as possible, though. 2645for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2646though, as the player cannot control the character while it is on the link
2647map.
1842 2648
1843Will never block. 2649Will never block.
1844 2650
1845=item $player_object->leave_link ($map, $x, $y) 2651=item $player_object->leave_link ($map, $x, $y)
1846 2652
… …
1866sub cf::object::player::enter_link { 2672sub cf::object::player::enter_link {
1867 my ($self) = @_; 2673 my ($self) = @_;
1868 2674
1869 $self->deactivate_recursive; 2675 $self->deactivate_recursive;
1870 2676
2677 ++$self->{_link_recursion};
2678
1871 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2679 return if UNIVERSAL::isa $self->map, "ext::map_link";
1872 2680
1873 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2681 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1874 if $self->map; 2682 if $self->map && $self->map->{path} ne "{link}";
1875 2683
1876 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2684 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1877} 2685}
1878 2686
1879sub cf::object::player::leave_link { 2687sub cf::object::player::leave_link {
1880 my ($self, $map, $x, $y) = @_; 2688 my ($self, $map, $x, $y) = @_;
2689
2690 return unless $self->contr->active;
1881 2691
1882 my $link_pos = delete $self->{_link_pos}; 2692 my $link_pos = delete $self->{_link_pos};
1883 2693
1884 unless ($map) { 2694 unless ($map) {
1885 # restore original map position 2695 # restore original map position
… …
1896 ($x, $y) = (-1, -1) 2706 ($x, $y) = (-1, -1)
1897 unless (defined $x) && (defined $y); 2707 unless (defined $x) && (defined $y);
1898 2708
1899 # use -1 or undef as default coordinates, not 0, 0 2709 # use -1 or undef as default coordinates, not 0, 0
1900 ($x, $y) = ($map->enter_x, $map->enter_y) 2710 ($x, $y) = ($map->enter_x, $map->enter_y)
1901 if $x <=0 && $y <= 0; 2711 if $x <= 0 && $y <= 0;
1902 2712
1903 $map->load; 2713 $map->load;
1904 $map->load_diag; 2714 $map->load_neighbours;
1905 2715
1906 return unless $self->contr->active; 2716 return unless $self->contr->active;
1907 $self->activate_recursive;
1908 2717
1909 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2718 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1910 $self->enter_map ($map, $x, $y); 2719 if ($self->enter_map ($map, $x, $y)) {
1911} 2720 # entering was successful
1912 2721 delete $self->{_link_recursion};
1913cf::player->attach ( 2722 # only activate afterwards, to support waiting in hooks
1914 on_logout => sub { 2723 $self->activate_recursive;
1915 my ($pl) = @_;
1916
1917 # abort map switching before logout
1918 if ($pl->ob->{_link_pos}) {
1919 cf::sync_job {
1920 $pl->ob->leave_link
1921 };
1922 }
1923 }, 2724 }
1924 on_login => sub {
1925 my ($pl) = @_;
1926 2725
1927 # try to abort aborted map switching on player login :) 2726}
1928 # should happen only on crashes
1929 if ($pl->ob->{_link_pos}) {
1930 $pl->ob->enter_link;
1931 (async {
1932 $pl->ob->reply (undef,
1933 "There was an internal problem at your last logout, "
1934 . "the server will try to bring you to your intended destination in a second.",
1935 cf::NDI_RED);
1936 # we need this sleep as the login has a concurrent enter_exit running
1937 # and this sleep increases chances of the player not ending up in scorn
1938 Coro::Timer::sleep 1;
1939 $pl->ob->leave_link;
1940 })->prio (2);
1941 }
1942 },
1943);
1944 2727
1945=item $player_object->goto ($path, $x, $y) 2728=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1946 2729
2730Moves the player to the given map-path and coordinates by first freezing
2731her, loading and preparing them map, calling the provided $check callback
2732that has to return the map if sucecssful, and then unfreezes the player on
2733the new (success) or old (failed) map position. In either case, $done will
2734be called at the end of this process.
2735
2736Note that $check will be called with a potentially non-loaded map, so if
2737it needs a loaded map it has to call C<< ->load >>.
2738
1947=cut 2739=cut
2740
2741our $GOTOGEN;
1948 2742
1949sub cf::object::player::goto { 2743sub cf::object::player::goto {
1950 my ($self, $path, $x, $y) = @_; 2744 my ($self, $path, $x, $y, $check, $done) = @_;
2745
2746 if ($self->{_link_recursion} >= $MAX_LINKS) {
2747 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2748 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2749 ($path, $x, $y) = @$EMERGENCY_POSITION;
2750 }
2751
2752 # do generation counting so two concurrent goto's will be executed in-order
2753 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1951 2754
1952 $self->enter_link; 2755 $self->enter_link;
1953 2756
1954 (async { 2757 (async {
2758 $Coro::current->{desc} = "player::goto $path $x $y";
2759
2760 # *tag paths override both path and x|y
2761 if ($path =~ /^\*(.*)$/) {
2762 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2763 my $ob = $obs[rand @obs];
2764
2765 # see if we actually can go there
2766 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2767 $ob = $obs[rand @obs];
2768 } else {
2769 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2770 }
2771 # else put us there anyways for now #d#
2772
2773 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2774 } else {
2775 ($path, $x, $y) = (undef, undef, undef);
2776 }
2777 }
2778
1955 my $map = eval { 2779 my $map = eval {
1956 my $map = cf::map::find $path; 2780 my $map = defined $path ? cf::map::find $path : undef;
2781
2782 if ($map) {
1957 $map = $map->customise_for ($self) if $map; 2783 $map = $map->customise_for ($self);
2784 $map = $check->($map, $x, $y, $self) if $check && $map;
2785 } else {
2786 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2787 }
2788
1958 $map 2789 $map
2790 };
2791
2792 if ($@) {
2793 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2794 LOG llevError | logBacktrace, Carp::longmess $@;
1959 } or 2795 }
1960 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1961 2796
2797 if ($gen == $self->{_goto_generation}) {
2798 delete $self->{_goto_generation};
1962 $self->leave_link ($map, $x, $y); 2799 $self->leave_link ($map, $x, $y);
2800 }
2801
2802 $done->($self) if $done;
1963 })->prio (1); 2803 })->prio (1);
1964} 2804}
1965 2805
1966=item $player_object->enter_exit ($exit_object) 2806=item $player_object->enter_exit ($exit_object)
1967 2807
… …
1987} 2827}
1988 2828
1989sub prepare_random_map { 2829sub prepare_random_map {
1990 my ($exit) = @_; 2830 my ($exit) = @_;
1991 2831
1992 my $guard = cf::lock_acquire "exit_prepare:$exit";
1993
1994 # all this does is basically replace the /! path by 2832 # all this does is basically replace the /! path by
1995 # a new random map path (?random/...) with a seed 2833 # a new random map path (?random/...) with a seed
1996 # that depends on the exit object 2834 # that depends on the exit object
1997 2835
1998 my $rmp = parse_random_map_params $exit->msg; 2836 my $rmp = parse_random_map_params $exit->msg;
… …
2000 if ($exit->map) { 2838 if ($exit->map) {
2001 $rmp->{region} = $exit->region->name; 2839 $rmp->{region} = $exit->region->name;
2002 $rmp->{origin_map} = $exit->map->path; 2840 $rmp->{origin_map} = $exit->map->path;
2003 $rmp->{origin_x} = $exit->x; 2841 $rmp->{origin_x} = $exit->x;
2004 $rmp->{origin_y} = $exit->y; 2842 $rmp->{origin_y} = $exit->y;
2843
2844 $exit->map->touch;
2005 } 2845 }
2006 2846
2007 $rmp->{random_seed} ||= $exit->random_seed; 2847 $rmp->{random_seed} ||= $exit->random_seed;
2008 2848
2009 my $data = cf::to_json $rmp; 2849 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2010 my $md5 = Digest::MD5::md5_hex $data; 2850 my $md5 = Digest::MD5::md5_hex $data;
2011 my $meta = "$RANDOMDIR/$md5.meta"; 2851 my $meta = "$RANDOMDIR/$md5.meta";
2012 2852
2013 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2853 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2014 aio_write $fh, 0, (length $data), $data, 0; 2854 aio_write $fh, 0, (length $data), $data, 0;
2015 undef $fh; 2855 undef $fh;
2016 aio_rename "$meta~", $meta; 2856 aio_rename "$meta~", $meta;
2017 2857
2858 my $slaying = "?random/$md5";
2859
2860 if ($exit->valid) {
2018 $exit->slaying ("?random/$md5"); 2861 $exit->slaying ("?random/$md5");
2019 $exit->msg (undef); 2862 $exit->msg (undef);
2863 }
2020 } 2864 }
2021} 2865}
2022 2866
2023sub cf::object::player::enter_exit { 2867sub cf::object::player::enter_exit {
2024 my ($self, $exit) = @_; 2868 my ($self, $exit) = @_;
2025 2869
2026 return unless $self->type == cf::PLAYER; 2870 return unless $self->type == cf::PLAYER;
2027 2871
2028 if ($exit->slaying eq "/!") {
2029 #TODO: this should de-fi-ni-te-ly not be a sync-job
2030 # the problem is that $exit might not survive long enough
2031 # so it needs to be done right now, right here
2032 cf::sync_job { prepare_random_map $exit };
2033 }
2034
2035 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2036 my $hp = $exit->stats->hp;
2037 my $sp = $exit->stats->sp;
2038
2039 $self->enter_link; 2872 $self->enter_link;
2040 2873
2041 (async { 2874 (async {
2042 $self->deactivate_recursive; # just to be sure 2875 $Coro::current->{desc} = "enter_exit";
2876
2043 unless (eval { 2877 unless (eval {
2878 $self->deactivate_recursive; # just to be sure
2879
2880 # random map handling
2881 {
2882 my $guard = cf::lock_acquire "exit_prepare:$exit";
2883
2884 prepare_random_map $exit
2885 if $exit->slaying eq "/!";
2886 }
2887
2888 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2889 my $x = $exit->stats->hp;
2890 my $y = $exit->stats->sp;
2891
2044 $self->goto ($slaying, $hp, $sp); 2892 $self->goto ($map, $x, $y);
2045 2893
2894 # if exit is damned, update players death & WoR home-position
2895 $self->contr->savebed ($map, $x, $y)
2896 if $exit->flag (cf::FLAG_DAMNED);
2897
2046 1; 2898 1
2047 }) { 2899 }) {
2048 $self->message ("Something went wrong deep within the crossfire server. " 2900 $self->message ("Something went wrong deep within the deliantra server. "
2049 . "I'll try to bring you back to the map you were before. " 2901 . "I'll try to bring you back to the map you were before. "
2050 . "Please report this to the dungeon master!", 2902 . "Please report this to the dungeon master!",
2051 cf::NDI_UNIQUE | cf::NDI_RED); 2903 cf::NDI_UNIQUE | cf::NDI_RED);
2052 2904
2053 warn "ERROR in enter_exit: $@"; 2905 error "ERROR in enter_exit: $@";
2054 $self->leave_link; 2906 $self->leave_link;
2055 } 2907 }
2056 })->prio (1); 2908 })->prio (1);
2057} 2909}
2058 2910
… …
2072 2924
2073 utf8::encode $text; 2925 utf8::encode $text;
2074 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2926 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2075} 2927}
2076 2928
2929=item $client->send_big_packet ($pkt)
2930
2931Like C<send_packet>, but tries to compress large packets, and fragments
2932them as required.
2933
2934=cut
2935
2936our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2937
2938sub cf::client::send_big_packet {
2939 my ($self, $pkt) = @_;
2940
2941 # try lzf for large packets
2942 $pkt = "lzf " . Compress::LZF::compress $pkt
2943 if 1024 <= length $pkt and $self->{can_lzf};
2944
2945 # split very large packets
2946 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2947 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2948 $pkt = "frag";
2949 }
2950
2951 $self->send_packet ($pkt);
2952}
2953
2954=item $client->send_msg ($channel, $msg, $color, [extra...])
2955
2956Send a drawinfo or msg packet to the client, formatting the msg for the
2957client if neccessary. C<$type> should be a string identifying the type of
2958the message, with C<log> being the default. If C<$color> is negative, suppress
2959the message unless the client supports the msg packet.
2960
2961=cut
2962
2963# non-persistent channels (usually the info channel)
2964our %CHANNEL = (
2965 "c/motd" => {
2966 id => "infobox",
2967 title => "MOTD",
2968 reply => undef,
2969 tooltip => "The message of the day",
2970 },
2971 "c/identify" => {
2972 id => "infobox",
2973 title => "Identify",
2974 reply => undef,
2975 tooltip => "Items recently identified",
2976 },
2977 "c/examine" => {
2978 id => "infobox",
2979 title => "Examine",
2980 reply => undef,
2981 tooltip => "Signs and other items you examined",
2982 },
2983 "c/shopinfo" => {
2984 id => "infobox",
2985 title => "Shop Info",
2986 reply => undef,
2987 tooltip => "What your bargaining skill tells you about the shop",
2988 },
2989 "c/book" => {
2990 id => "infobox",
2991 title => "Book",
2992 reply => undef,
2993 tooltip => "The contents of a note or book",
2994 },
2995 "c/lookat" => {
2996 id => "infobox",
2997 title => "Look",
2998 reply => undef,
2999 tooltip => "What you saw there",
3000 },
3001 "c/who" => {
3002 id => "infobox",
3003 title => "Players",
3004 reply => undef,
3005 tooltip => "Shows players who are currently online",
3006 },
3007 "c/body" => {
3008 id => "infobox",
3009 title => "Body Parts",
3010 reply => undef,
3011 tooltip => "Shows which body parts you posess and are available",
3012 },
3013 "c/statistics" => {
3014 id => "infobox",
3015 title => "Statistics",
3016 reply => undef,
3017 tooltip => "Shows your primary statistics",
3018 },
3019 "c/skills" => {
3020 id => "infobox",
3021 title => "Skills",
3022 reply => undef,
3023 tooltip => "Shows your experience per skill and item power",
3024 },
3025 "c/shopitems" => {
3026 id => "infobox",
3027 title => "Shop Items",
3028 reply => undef,
3029 tooltip => "Shows the items currently for sale in this shop",
3030 },
3031 "c/resistances" => {
3032 id => "infobox",
3033 title => "Resistances",
3034 reply => undef,
3035 tooltip => "Shows your resistances",
3036 },
3037 "c/pets" => {
3038 id => "infobox",
3039 title => "Pets",
3040 reply => undef,
3041 tooltip => "Shows information abotu your pets/a specific pet",
3042 },
3043 "c/perceiveself" => {
3044 id => "infobox",
3045 title => "Perceive Self",
3046 reply => undef,
3047 tooltip => "You gained detailed knowledge about yourself",
3048 },
3049 "c/uptime" => {
3050 id => "infobox",
3051 title => "Uptime",
3052 reply => undef,
3053 tooltip => "How long the server has been running since last restart",
3054 },
3055 "c/mapinfo" => {
3056 id => "infobox",
3057 title => "Map Info",
3058 reply => undef,
3059 tooltip => "Information related to the maps",
3060 },
3061 "c/party" => {
3062 id => "party",
3063 title => "Party",
3064 reply => "gsay ",
3065 tooltip => "Messages and chat related to your party",
3066 },
3067 "c/death" => {
3068 id => "death",
3069 title => "Death",
3070 reply => undef,
3071 tooltip => "Reason for and more info about your most recent death",
3072 },
3073 "c/say" => $SAY_CHANNEL,
3074 "c/chat" => $CHAT_CHANNEL,
3075);
3076
3077sub cf::client::send_msg {
3078 my ($self, $channel, $msg, $color, @extra) = @_;
3079
3080 $msg = $self->pl->expand_cfpod ($msg)
3081 unless $color & cf::NDI_VERBATIM;
3082
3083 $color &= cf::NDI_CLIENT_MASK; # just in case...
3084
3085 # check predefined channels, for the benefit of C
3086 if ($CHANNEL{$channel}) {
3087 $channel = $CHANNEL{$channel};
3088
3089 $self->ext_msg (channel_info => $channel);
3090 $channel = $channel->{id};
3091
3092 } elsif (ref $channel) {
3093 # send meta info to client, if not yet sent
3094 unless (exists $self->{channel}{$channel->{id}}) {
3095 $self->{channel}{$channel->{id}} = $channel;
3096 $self->ext_msg (channel_info => $channel);
3097 }
3098
3099 $channel = $channel->{id};
3100 }
3101
3102 return unless @extra || length $msg;
3103
3104 # default colour, mask it out
3105 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3106 if $color & cf::NDI_DEF;
3107
3108 my $pkt = "msg "
3109 . $self->{json_coder}->encode (
3110 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3111 );
3112
3113 $self->send_big_packet ($pkt);
3114}
3115
2077=item $client->ext_event ($type, %msg) 3116=item $client->ext_msg ($type, @msg)
2078 3117
2079Sends an exti event to the client. 3118Sends an ext event to the client.
2080 3119
2081=cut 3120=cut
2082 3121
2083sub cf::client::ext_event($$%) { 3122sub cf::client::ext_msg($$@) {
2084 my ($self, $type, %msg) = @_; 3123 my ($self, $type, @msg) = @_;
2085 3124
3125 if ($self->extcmd == 2) {
3126 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3127 } elsif ($self->extcmd == 1) { # TODO: remove
2086 $msg{msgtype} = "event_$type"; 3128 push @msg, msgtype => "event_$type";
2087 $self->send_packet ("ext " . cf::to_json \%msg); 3129 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3130 }
3131}
3132
3133=item $client->ext_reply ($msgid, @msg)
3134
3135Sends an ext reply to the client.
3136
3137=cut
3138
3139sub cf::client::ext_reply($$@) {
3140 my ($self, $id, @msg) = @_;
3141
3142 if ($self->extcmd == 2) {
3143 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3144 } elsif ($self->extcmd == 1) {
3145 #TODO: version 1, remove
3146 unshift @msg, msgtype => "reply", msgid => $id;
3147 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3148 }
2088} 3149}
2089 3150
2090=item $success = $client->query ($flags, "text", \&cb) 3151=item $success = $client->query ($flags, "text", \&cb)
2091 3152
2092Queues a query to the client, calling the given callback with 3153Queues a query to the client, calling the given callback with
2093the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3154the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2094C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3155C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2095 3156
2096Queries can fail, so check the return code. Or don't, as queries will become 3157Queries can fail, so check the return code. Or don't, as queries will
2097reliable at some point in the future. 3158become reliable at some point in the future.
2098 3159
2099=cut 3160=cut
2100 3161
2101sub cf::client::query { 3162sub cf::client::query {
2102 my ($self, $flags, $text, $cb) = @_; 3163 my ($self, $flags, $text, $cb) = @_;
… …
2110 utf8::encode $text; 3171 utf8::encode $text;
2111 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3172 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2112 3173
2113 $self->send_packet ($self->{query_queue}[0][0]) 3174 $self->send_packet ($self->{query_queue}[0][0])
2114 if @{ $self->{query_queue} } == 1; 3175 if @{ $self->{query_queue} } == 1;
3176
3177 1
2115} 3178}
2116 3179
2117cf::client->attach ( 3180cf::client->attach (
3181 on_connect => sub {
3182 my ($ns) = @_;
3183
3184 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3185 },
2118 on_reply => sub { 3186 on_reply => sub {
2119 my ($ns, $msg) = @_; 3187 my ($ns, $msg) = @_;
2120 3188
2121 # this weird shuffling is so that direct followup queries 3189 # this weird shuffling is so that direct followup queries
2122 # get handled first 3190 # get handled first
… …
2134 } else { 3202 } else {
2135 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3203 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2136 } 3204 }
2137 } 3205 }
2138 }, 3206 },
3207 on_exticmd => sub {
3208 my ($ns, $buf) = @_;
3209
3210 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3211
3212 if (ref $msg) {
3213 my ($type, $reply, @payload) =
3214 "ARRAY" eq ref $msg
3215 ? @$msg
3216 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3217
3218 my @reply;
3219
3220 if (my $cb = $EXTICMD{$type}) {
3221 @reply = $cb->($ns, @payload);
3222 }
3223
3224 $ns->ext_reply ($reply, @reply)
3225 if $reply;
3226
3227 } else {
3228 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3229 }
3230
3231 cf::override;
3232 },
2139); 3233);
2140 3234
2141=item $client->async (\&cb) 3235=item $client->async (\&cb)
2142 3236
2143Create a new coroutine, running the specified callback. The coroutine will 3237Create a new coroutine, running the specified callback. The coroutine will
… …
2159 3253
2160 $coro 3254 $coro
2161} 3255}
2162 3256
2163cf::client->attach ( 3257cf::client->attach (
2164 on_destroy => sub { 3258 on_client_destroy => sub {
2165 my ($ns) = @_; 3259 my ($ns) = @_;
2166 3260
2167 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3261 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2168 }, 3262 },
2169); 3263);
… …
2184our $safe = new Safe "safe"; 3278our $safe = new Safe "safe";
2185our $safe_hole = new Safe::Hole; 3279our $safe_hole = new Safe::Hole;
2186 3280
2187$SIG{FPE} = 'IGNORE'; 3281$SIG{FPE} = 'IGNORE';
2188 3282
2189$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3283$safe->permit_only (Opcode::opset qw(
3284 :base_core :base_mem :base_orig :base_math :base_loop
3285 grepstart grepwhile mapstart mapwhile
3286 sort time
3287));
2190 3288
2191# here we export the classes and methods available to script code 3289# here we export the classes and methods available to script code
2192 3290
2193=pod 3291=pod
2194 3292
2195The following functions and methods are available within a safe environment: 3293The following functions and methods are available within a safe environment:
2196 3294
2197 cf::object contr pay_amount pay_player map 3295 cf::object
3296 contr pay_amount pay_player map x y force_find force_add destroy
3297 insert remove name archname title slaying race decrease split
3298 value
3299
2198 cf::object::player player 3300 cf::object::player
2199 cf::player peaceful 3301 player
2200 cf::map trigger 3302
3303 cf::player
3304 peaceful
3305
3306 cf::map
3307 trigger
2201 3308
2202=cut 3309=cut
2203 3310
2204for ( 3311for (
2205 ["cf::object" => qw(contr pay_amount pay_player map)], 3312 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3313 insert remove inv nrof name archname title slaying race
3314 decrease split destroy change_exp value msg lore send_msg)],
2206 ["cf::object::player" => qw(player)], 3315 ["cf::object::player" => qw(player)],
2207 ["cf::player" => qw(peaceful)], 3316 ["cf::player" => qw(peaceful send_msg)],
2208 ["cf::map" => qw(trigger)], 3317 ["cf::map" => qw(trigger)],
2209) { 3318) {
2210 no strict 'refs';
2211 my ($pkg, @funs) = @$_; 3319 my ($pkg, @funs) = @$_;
2212 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3320 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2213 for @funs; 3321 for @funs;
2214} 3322}
2215 3323
… …
2230 3338
2231 my $qcode = $code; 3339 my $qcode = $code;
2232 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3340 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2233 $qcode =~ s/\n/\\n/g; 3341 $qcode =~ s/\n/\\n/g;
2234 3342
3343 %vars = (_dummy => 0) unless %vars;
3344
3345 my @res;
2235 local $_; 3346 local $_;
2236 local @safe::cf::_safe_eval_args = values %vars;
2237 3347
2238 my $eval = 3348 my $eval =
2239 "do {\n" 3349 "do {\n"
2240 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3350 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2241 . "#line 0 \"{$qcode}\"\n" 3351 . "#line 0 \"{$qcode}\"\n"
2242 . $code 3352 . $code
2243 . "\n}" 3353 . "\n}"
2244 ; 3354 ;
2245 3355
3356 if ($CFG{safe_eval}) {
2246 sub_generation_inc; 3357 sub_generation_inc;
3358 local @safe::cf::_safe_eval_args = values %vars;
2247 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3359 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2248 sub_generation_inc; 3360 sub_generation_inc;
3361 } else {
3362 local @cf::_safe_eval_args = values %vars;
3363 @res = wantarray ? eval eval : scalar eval $eval;
3364 }
2249 3365
2250 if ($@) { 3366 if ($@) {
2251 warn "$@"; 3367 warn "$@",
2252 warn "while executing safe code '$code'\n"; 3368 "while executing safe code '$code'\n",
2253 warn "with arguments " . (join " ", %vars) . "\n"; 3369 "with arguments " . (join " ", %vars) . "\n";
2254 } 3370 }
2255 3371
2256 wantarray ? @res : $res[0] 3372 wantarray ? @res : $res[0]
2257} 3373}
2258 3374
… …
2272=cut 3388=cut
2273 3389
2274sub register_script_function { 3390sub register_script_function {
2275 my ($fun, $cb) = @_; 3391 my ($fun, $cb) = @_;
2276 3392
2277 no strict 'refs'; 3393 $fun = "safe::$fun" if $CFG{safe_eval};
2278 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3394 *$fun = $safe_hole->wrap ($cb);
2279} 3395}
2280 3396
2281=back 3397=back
2282 3398
2283=cut 3399=cut
2284
2285#############################################################################
2286
2287=head2 EXTENSION DATABASE SUPPORT
2288
2289Crossfire maintains a very simple database for extension use. It can
2290currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2291convert to/from binary).
2292
2293The parameter C<$family> should best start with the name of the extension
2294using it, it should be unique.
2295
2296=over 4
2297
2298=item $value = cf::db_get $family => $key
2299
2300Returns a single value from the database.
2301
2302=item cf::db_put $family => $key => $value
2303
2304Stores the given C<$value> in the family.
2305
2306=cut
2307
2308our $DB;
2309
2310sub db_init {
2311 unless ($DB) {
2312 $DB = BDB::db_create $DB_ENV;
2313
2314 cf::sync_job {
2315 eval {
2316 $DB->set_flags (BDB::CHKSUM);
2317
2318 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2319 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2320 cf::cleanup "db_open(db): $!" if $!;
2321 };
2322 cf::cleanup "db_open(db): $@" if $@;
2323 };
2324 }
2325}
2326
2327sub db_get($$) {
2328 my $key = "$_[0]/$_[1]";
2329
2330 cf::sync_job {
2331 BDB::db_get $DB, undef, $key, my $data;
2332
2333 $! ? ()
2334 : $data
2335 }
2336}
2337
2338sub db_put($$$) {
2339 BDB::dbreq_pri 4;
2340 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2341}
2342
2343=item cf::cache $id => [$paths...], $processversion => $process
2344
2345Generic caching function that returns the value of the resource $id,
2346caching and regenerating as required.
2347
2348This function can block.
2349
2350=cut
2351
2352sub cache {
2353 my ($id, $src, $processversion, $process) = @_;
2354
2355 my $meta =
2356 join "\x00",
2357 $processversion,
2358 map {
2359 aio_stat $_
2360 and Carp::croak "$_: $!";
2361
2362 ($_, (stat _)[7,9])
2363 } @$src;
2364
2365 my $dbmeta = db_get cache => "$id/meta";
2366 if ($dbmeta ne $meta) {
2367 # changed, we may need to process
2368
2369 my @data;
2370 my $md5;
2371
2372 for (0 .. $#$src) {
2373 0 <= aio_load $src->[$_], $data[$_]
2374 or Carp::croak "$src->[$_]: $!";
2375 }
2376
2377 # if processing is expensive, check
2378 # checksum first
2379 if (1) {
2380 $md5 =
2381 join "\x00",
2382 $processversion,
2383 map {
2384 Coro::cede;
2385 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2386 } 0.. $#$src;
2387
2388
2389 my $dbmd5 = db_get cache => "$id/md5";
2390 if ($dbmd5 eq $md5) {
2391 db_put cache => "$id/meta", $meta;
2392
2393 return db_get cache => "$id/data";
2394 }
2395 }
2396
2397 my $t1 = Time::HiRes::time;
2398 my $data = $process->(\@data);
2399 my $t2 = Time::HiRes::time;
2400
2401 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2402
2403 db_put cache => "$id/data", $data;
2404 db_put cache => "$id/md5" , $md5;
2405 db_put cache => "$id/meta", $meta;
2406
2407 return $data;
2408 }
2409
2410 db_get cache => "$id/data"
2411}
2412
2413=item fork_call { }, $args
2414
2415Executes the given code block with the given arguments in a seperate
2416process, returning the results. Everything must be serialisable with
2417Coro::Storable. May, of course, block. Note that the executed sub may
2418never block itself or use any form of Event handling.
2419
2420=cut
2421
2422sub fork_call(&@) {
2423 my ($cb, @args) = @_;
2424
2425# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2426# or die "socketpair: $!";
2427 pipe my $fh1, my $fh2
2428 or die "pipe: $!";
2429
2430 if (my $pid = fork) {
2431 close $fh2;
2432
2433 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2434 $res = Coro::Storable::thaw $res;
2435
2436 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2437
2438 die $$res unless "ARRAY" eq ref $res;
2439
2440 return wantarray ? @$res : $res->[-1];
2441 } else {
2442 local $SIG{__WARN__};
2443 eval {
2444 local $SIG{__DIE__};
2445 close $fh1;
2446
2447 my @res = eval { $cb->(@args) };
2448 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2449 };
2450
2451 warn $@ if $@;
2452 _exit 0;
2453 }
2454}
2455
2456
2457 3400
2458############################################################################# 3401#############################################################################
2459# the server's init and main functions 3402# the server's init and main functions
2460 3403
2461sub load_facedata($) { 3404sub load_facedata($) {
2462 my ($path) = @_; 3405 my ($path) = @_;
2463 3406
3407 # HACK to clear player env face cache, we need some signal framework
3408 # for this (global event?)
3409 %ext::player_env::MUSIC_FACE_CACHE = ();
3410
3411 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3412
2464 warn "loading facedata from $path\n"; 3413 trace "loading facedata from $path\n";
2465 3414
2466 my $facedata;
2467 0 < aio_load $path, $facedata 3415 0 < aio_load $path, my $facedata
2468 or die "$path: $!"; 3416 or die "$path: $!";
2469 3417
2470 $facedata = Coro::Storable::thaw $facedata; 3418 $facedata = Coro::Storable::thaw $facedata;
2471 3419
2472 $facedata->{version} == 2 3420 $facedata->{version} == 2
2473 or cf::cleanup "$path: version mismatch, cannot proceed."; 3421 or cf::cleanup "$path: version mismatch, cannot proceed.";
2474 3422
3423 # patch in the exptable
3424 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3425 $facedata->{resource}{"res/exp_table"} = {
3426 type => FT_RSRC,
3427 data => $exp_table,
3428 hash => (Digest::MD5::md5 $exp_table),
3429 };
3430 cf::cede_to_tick;
3431
2475 { 3432 {
2476 my $faces = $facedata->{faceinfo}; 3433 my $faces = $facedata->{faceinfo};
2477 3434
2478 while (my ($face, $info) = each %$faces) { 3435 while (my ($face, $info) = each %$faces) {
2479 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3436 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3437
2480 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3438 cf::face::set_visibility $idx, $info->{visibility};
3439 cf::face::set_magicmap $idx, $info->{magicmap};
2481 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3440 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2482 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3441 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2483 Coro::cede; 3442
3443 cf::cede_to_tick;
2484 } 3444 }
2485 3445
2486 while (my ($face, $info) = each %$faces) { 3446 while (my ($face, $info) = each %$faces) {
2487 next unless $info->{smooth}; 3447 next unless $info->{smooth};
3448
2488 my $idx = cf::face::find $face 3449 my $idx = cf::face::find $face
2489 or next; 3450 or next;
3451
2490 if (my $smooth = cf::face::find $info->{smooth}) { 3452 if (my $smooth = cf::face::find $info->{smooth}) {
3453 cf::face::set_smooth $idx, $smooth;
2491 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3454 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2492 } else { 3455 } else {
2493 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3456 error "smooth face '$info->{smooth}' not found for face '$face'";
2494 } 3457 }
2495 Coro::cede; 3458
3459 cf::cede_to_tick;
2496 } 3460 }
2497 } 3461 }
2498 3462
2499 { 3463 {
2500 my $anims = $facedata->{animinfo}; 3464 my $anims = $facedata->{animinfo};
2501 3465
2502 while (my ($anim, $info) = each %$anims) { 3466 while (my ($anim, $info) = each %$anims) {
2503 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3467 cf::anim::set $anim, $info->{frames}, $info->{facings};
2504 Coro::cede; 3468 cf::cede_to_tick;
2505 } 3469 }
2506 3470
2507 cf::anim::invalidate_all; # d'oh 3471 cf::anim::invalidate_all; # d'oh
2508 } 3472 }
2509 3473
3474 {
3475 my $res = $facedata->{resource};
3476
3477 while (my ($name, $info) = each %$res) {
3478 if (defined $info->{type}) {
3479 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3480
3481 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3482 cf::face::set_type $idx, $info->{type};
3483 } else {
3484 $RESOURCE{$name} = $info; # unused
3485 }
3486
3487 cf::cede_to_tick;
3488 }
3489 }
3490
3491 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3492
2510 1 3493 1
2511} 3494}
2512 3495
3496register_exticmd fx_want => sub {
3497 my ($ns, $want) = @_;
3498
3499 while (my ($k, $v) = each %$want) {
3500 $ns->fx_want ($k, $v);
3501 }
3502};
3503
3504sub load_resource_file($) {
3505 my $guard = lock_acquire "load_resource_file";
3506
3507 my $status = load_resource_file_ $_[0];
3508 get_slot 0.1, 100;
3509 cf::arch::commit_load;
3510
3511 $status
3512}
3513
2513sub reload_regions { 3514sub reload_regions {
3515 # HACK to clear player env face cache, we need some signal framework
3516 # for this (global event?)
3517 %ext::player_env::MUSIC_FACE_CACHE = ();
3518
2514 load_resource_file "$MAPDIR/regions" 3519 load_resource_file "$MAPDIR/regions"
2515 or die "unable to load regions file\n"; 3520 or die "unable to load regions file\n";
3521
3522 for (cf::region::list) {
3523 $_->{match} = qr/$_->{match}/
3524 if exists $_->{match};
3525 }
2516} 3526}
2517 3527
2518sub reload_facedata { 3528sub reload_facedata {
2519 load_facedata "$DATADIR/facedata" 3529 load_facedata "$DATADIR/facedata"
2520 or die "unable to load facedata\n"; 3530 or die "unable to load facedata\n";
… …
2528sub reload_treasures { 3538sub reload_treasures {
2529 load_resource_file "$DATADIR/treasures" 3539 load_resource_file "$DATADIR/treasures"
2530 or die "unable to load treasurelists\n"; 3540 or die "unable to load treasurelists\n";
2531} 3541}
2532 3542
3543sub reload_sound {
3544 trace "loading sound config from $DATADIR/sound\n";
3545
3546 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3547 or die "$DATADIR/sound $!";
3548
3549 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3550
3551 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3552 my $sound = $soundconf->{compat}[$_]
3553 or next;
3554
3555 my $face = cf::face::find "sound/$sound->[1]";
3556 cf::sound::set $sound->[0] => $face;
3557 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3558 }
3559
3560 while (my ($k, $v) = each %{$soundconf->{event}}) {
3561 my $face = cf::face::find "sound/$v";
3562 cf::sound::set $k => $face;
3563 }
3564}
3565
2533sub reload_resources { 3566sub reload_resources {
2534 warn "reloading resource files...\n"; 3567 trace "reloading resource files...\n";
2535 3568
3569 reload_exp_table;
3570 reload_materials;
3571 reload_facedata;
3572 reload_sound;
3573 reload_archetypes;
2536 reload_regions; 3574 reload_regions;
2537 reload_facedata;
2538 reload_archetypes;
2539 reload_treasures; 3575 reload_treasures;
2540 3576
2541 warn "finished reloading resource files\n"; 3577 trace "finished reloading resource files\n";
2542} 3578}
2543 3579
2544sub init { 3580sub reload_config {
2545 reload_resources; 3581 trace "reloading config file...\n";
2546}
2547 3582
2548sub cfg_load { 3583 0 < aio_load "$CONFDIR/config", my $config
2549 open my $fh, "<:utf8", "$CONFDIR/config" 3584 or die "$CONFDIR/config: $!";
2550 or return;
2551 3585
2552 local $/; 3586 utf8::decode $config;
2553 *CFG = YAML::Syck::Load <$fh>; 3587 *CFG = yaml_load $config;
2554 3588
2555 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3589 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2556 3590
2557 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3591 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2558 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3592 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2559 3593
2560 if (exists $CFG{mlockall}) { 3594 if (exists $CFG{mlockall}) {
… …
2564 }; 3598 };
2565 warn $@ if $@; 3599 warn $@ if $@;
2566 } 3600 }
2567} 3601}
2568 3602
3603sub pidfile() {
3604 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3605 or die "$PIDFILE: $!";
3606 flock $fh, &Fcntl::LOCK_EX
3607 or die "$PIDFILE: flock: $!";
3608 $fh
3609}
3610
3611# make sure only one server instance is running at any one time
3612sub atomic {
3613 my $fh = pidfile;
3614
3615 my $pid = <$fh>;
3616 kill 9, $pid if $pid > 0;
3617
3618 seek $fh, 0, 0;
3619 print $fh $$;
3620}
3621
3622sub main_loop {
3623 trace "EV::loop starting\n";
3624 if (1) {
3625 EV::loop;
3626 }
3627 trace "EV::loop returned\n";
3628 goto &main_loop unless $REALLY_UNLOOP;
3629}
3630
2569sub main { 3631sub main {
3632 cf::init_globals; # initialise logging
3633
3634 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3635 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3636 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3637 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3638
3639 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3640
2570 # we must not ever block the main coroutine 3641 # we must not ever block the main coroutine
2571 local $Coro::idle = sub { 3642 local $Coro::idle = sub {
2572 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3643 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2573 (async { 3644 (async {
2574 Event::one_event; 3645 $Coro::current->{desc} = "IDLE BUG HANDLER";
3646 EV::loop EV::LOOP_ONESHOT;
2575 })->prio (Coro::PRIO_MAX); 3647 })->prio (Coro::PRIO_MAX);
2576 }; 3648 };
2577 3649
2578 cfg_load; 3650 evthread_start IO::AIO::poll_fileno;
3651
3652 cf::sync_job {
3653 cf::incloader::init ();
3654
3655 cf::init_anim;
3656 cf::init_attackmess;
3657 cf::init_dynamic;
3658
3659 cf::load_settings;
3660
3661 reload_resources;
3662 reload_config;
2579 db_init; 3663 db_init;
3664
3665 cf::init_uuid;
3666 cf::init_signals;
3667 cf::init_skills;
3668
3669 cf::init_beforeplay;
3670
3671 atomic;
3672
2580 load_extensions; 3673 load_extensions;
2581 3674
2582 $TICK_WATCHER->start; 3675 utime time, time, $RUNTIMEFILE;
2583 Event::loop; 3676
3677 # no (long-running) fork's whatsoever before this point(!)
3678 use POSIX ();
3679 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3680
3681 cf::_post_init 0;
3682 };
3683
3684 cf::object::thawer::errors_are_fatal 0;
3685 info "parse errors in files are no longer fatal from this point on.\n";
3686
3687 my $free_main; $free_main = EV::idle sub {
3688 undef $free_main;
3689 undef &main; # free gobs of memory :)
3690 };
3691
3692 goto &main_loop;
2584} 3693}
2585 3694
2586############################################################################# 3695#############################################################################
2587# initialisation and cleanup 3696# initialisation and cleanup
2588 3697
2589# install some emergency cleanup handlers 3698# install some emergency cleanup handlers
2590BEGIN { 3699BEGIN {
3700 our %SIGWATCHER = ();
2591 for my $signal (qw(INT HUP TERM)) { 3701 for my $signal (qw(INT HUP TERM)) {
2592 Event->signal ( 3702 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2593 reentrant => 0,
2594 data => WF_AUTOCANCEL,
2595 signal => $signal,
2596 prio => 0,
2597 cb => sub {
2598 cf::cleanup "SIG$signal"; 3703 cf::cleanup "SIG$signal";
2599 },
2600 ); 3704 };
3705 }
3706}
3707
3708sub write_runtime_sync {
3709 my $t0 = AE::time;
3710
3711 # first touch the runtime file to show we are still running:
3712 # the fsync below can take a very very long time.
3713
3714 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3715
3716 my $guard = cf::lock_acquire "write_runtime";
3717
3718 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3719 or return;
3720
3721 my $value = $cf::RUNTIME + 90 + 10;
3722 # 10 is the runtime save interval, for a monotonic clock
3723 # 60 allows for the watchdog to kill the server.
3724
3725 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3726 and return;
3727
3728 # always fsync - this file is important
3729 aio_fsync $fh
3730 and return;
3731
3732 # touch it again to show we are up-to-date
3733 aio_utime $fh, undef, undef;
3734
3735 close $fh
3736 or return;
3737
3738 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3739 and return;
3740
3741 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3742
2601 } 3743 1
3744}
3745
3746our $uuid_lock;
3747our $uuid_skip;
3748
3749sub write_uuid_sync($) {
3750 $uuid_skip ||= $_[0];
3751
3752 return if $uuid_lock;
3753 local $uuid_lock = 1;
3754
3755 my $uuid = "$LOCALDIR/uuid";
3756
3757 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3758 or return;
3759
3760 my $value = uuid_seq uuid_cur;
3761
3762 unless ($value) {
3763 info "cowardly refusing to write zero uuid value!\n";
3764 return;
3765 }
3766
3767 my $value = uuid_str $value + $uuid_skip;
3768 $uuid_skip = 0;
3769
3770 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3771 and return;
3772
3773 # always fsync - this file is important
3774 aio_fsync $fh
3775 and return;
3776
3777 close $fh
3778 or return;
3779
3780 aio_rename "$uuid~", $uuid
3781 and return;
3782
3783 trace "uuid file written ($value).\n";
3784
3785 1
3786
3787}
3788
3789sub write_uuid($$) {
3790 my ($skip, $sync) = @_;
3791
3792 $sync ? write_uuid_sync $skip
3793 : async { write_uuid_sync $skip };
2602} 3794}
2603 3795
2604sub emergency_save() { 3796sub emergency_save() {
2605 my $freeze_guard = cf::freeze_mainloop; 3797 my $freeze_guard = cf::freeze_mainloop;
2606 3798
2607 warn "enter emergency perl save\n"; 3799 info "emergency_perl_save: enter\n";
3800
3801 # this is a trade-off: we want to be very quick here, so
3802 # save all maps without fsync, and later call a global sync
3803 # (which in turn might be very very slow)
3804 local $USE_FSYNC = 0;
2608 3805
2609 cf::sync_job { 3806 cf::sync_job {
3807 cf::write_runtime_sync; # external watchdog should not bark
3808
2610 # use a peculiar iteration method to avoid tripping on perl 3809 # use a peculiar iteration method to avoid tripping on perl
2611 # refcount bugs in for. also avoids problems with players 3810 # refcount bugs in for. also avoids problems with players
2612 # and maps saved/destroyed asynchronously. 3811 # and maps saved/destroyed asynchronously.
2613 warn "begin emergency player save\n"; 3812 info "emergency_perl_save: begin player save\n";
2614 for my $login (keys %cf::PLAYER) { 3813 for my $login (keys %cf::PLAYER) {
2615 my $pl = $cf::PLAYER{$login} or next; 3814 my $pl = $cf::PLAYER{$login} or next;
2616 $pl->valid or next; 3815 $pl->valid or next;
3816 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2617 $pl->save; 3817 $pl->save;
2618 } 3818 }
2619 warn "end emergency player save\n"; 3819 info "emergency_perl_save: end player save\n";
2620 3820
2621 warn "begin emergency map save\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin map save\n";
2622 for my $path (keys %cf::MAP) { 3824 for my $path (keys %cf::MAP) {
2623 my $map = $cf::MAP{$path} or next; 3825 my $map = $cf::MAP{$path} or next;
2624 $map->valid or next; 3826 $map->valid or next;
2625 $map->save; 3827 $map->save;
2626 } 3828 }
2627 warn "end emergency map save\n"; 3829 info "emergency_perl_save: end map save\n";
2628 3830
2629 warn "begin emergency database checkpoint\n"; 3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 info "emergency_perl_save: begin database checkpoint\n";
2630 BDB::db_env_txn_checkpoint $DB_ENV; 3834 BDB::db_env_txn_checkpoint $DB_ENV;
2631 warn "end emergency database checkpoint\n"; 3835 info "emergency_perl_save: end database checkpoint\n";
3836
3837 info "emergency_perl_save: begin write uuid\n";
3838 write_uuid_sync 1;
3839 info "emergency_perl_save: end write uuid\n";
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: syncing database to disk";
3844 BDB::db_env_txn_checkpoint $DB_ENV;
3845
3846 info "emergency_perl_save: starting sync\n";
3847 IO::AIO::aio_sync sub {
3848 info "emergency_perl_save: finished sync\n";
3849 };
3850
3851 cf::write_runtime_sync; # external watchdog should not bark
3852
3853 trace "emergency_perl_save: flushing outstanding aio requests";
3854 while (IO::AIO::nreqs || BDB::nreqs) {
3855 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3856 }
3857
3858 cf::write_runtime_sync; # external watchdog should not bark
2632 }; 3859 };
2633 3860
2634 warn "leave emergency perl save\n"; 3861 info "emergency_perl_save: leave\n";
2635} 3862}
2636 3863
2637sub post_cleanup { 3864sub post_cleanup {
2638 my ($make_core) = @_; 3865 my ($make_core) = @_;
2639 3866
3867 IO::AIO::flush;
3868
2640 warn Carp::longmess "post_cleanup backtrace" 3869 error Carp::longmess "post_cleanup backtrace"
2641 if $make_core; 3870 if $make_core;
3871
3872 my $fh = pidfile;
3873 unlink $PIDFILE if <$fh> == $$;
3874}
3875
3876# a safer delete_package, copied from Symbol
3877sub clear_package($) {
3878 my $pkg = shift;
3879
3880 # expand to full symbol table name if needed
3881 unless ($pkg =~ /^main::.*::$/) {
3882 $pkg = "main$pkg" if $pkg =~ /^::/;
3883 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3884 $pkg .= '::' unless $pkg =~ /::$/;
3885 }
3886
3887 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3888 my $stem_symtab = *{$stem}{HASH};
3889
3890 defined $stem_symtab and exists $stem_symtab->{$leaf}
3891 or return;
3892
3893 # clear all symbols
3894 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3895 for my $name (keys %$leaf_symtab) {
3896 _gv_clear *{"$pkg$name"};
3897# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3898 }
2642} 3899}
2643 3900
2644sub do_reload_perl() { 3901sub do_reload_perl() {
2645 # can/must only be called in main 3902 # can/must only be called in main
2646 if ($Coro::current != $Coro::main) { 3903 unless (in_main) {
2647 warn "can only reload from main coroutine"; 3904 error "can only reload from main coroutine";
2648 return; 3905 return;
2649 } 3906 }
2650 3907
2651 warn "reloading..."; 3908 return if $RELOAD++;
2652 3909
2653 warn "entering sync_job"; 3910 my $t1 = AE::time;
2654 3911
3912 while ($RELOAD) {
3913 cf::get_slot 0.1, -1, "reload_perl";
3914 info "perl_reload: reloading...";
3915
3916 trace "perl_reload: entering sync_job";
3917
2655 cf::sync_job { 3918 cf::sync_job {
2656 cf::write_runtime; # external watchdog should not bark
2657 cf::emergency_save; 3919 #cf::emergency_save;
2658 cf::write_runtime; # external watchdog should not bark
2659 3920
2660 warn "syncing database to disk";
2661 BDB::db_env_txn_checkpoint $DB_ENV;
2662
2663 # if anything goes wrong in here, we should simply crash as we already saved
2664
2665 warn "cancelling all WF_AUTOCANCEL watchers";
2666 for (Event::all_watchers) {
2667 $_->cancel if $_->data & WF_AUTOCANCEL;
2668 }
2669
2670 warn "flushing outstanding aio requests";
2671 for (;;) {
2672 BDB::flush;
2673 IO::AIO::flush;
2674 Coro::cede;
2675 last unless IO::AIO::nreqs || BDB::nreqs;
2676 warn "iterate...";
2677 }
2678
2679 ++$RELOAD;
2680
2681 warn "cancelling all extension coros"; 3921 trace "perl_reload: cancelling all extension coros";
2682 $_->cancel for values %EXT_CORO; 3922 $_->cancel for values %EXT_CORO;
2683 %EXT_CORO = (); 3923 %EXT_CORO = ();
2684 3924
2685 warn "removing commands"; 3925 trace "perl_reload: removing commands";
2686 %COMMAND = (); 3926 %COMMAND = ();
2687 3927
2688 warn "removing ext commands"; 3928 trace "perl_reload: removing ext/exti commands";
2689 %EXTCMD = (); 3929 %EXTCMD = ();
3930 %EXTICMD = ();
2690 3931
2691 warn "unloading/nuking all extensions"; 3932 trace "perl_reload: unloading/nuking all extensions";
2692 for my $pkg (@EXTS) { 3933 for my $pkg (@EXTS) {
2693 warn "... unloading $pkg"; 3934 trace "... unloading $pkg";
2694 3935
2695 if (my $cb = $pkg->can ("unload")) { 3936 if (my $cb = $pkg->can ("unload")) {
2696 eval { 3937 eval {
2697 $cb->($pkg); 3938 $cb->($pkg);
2698 1 3939 1
2699 } or warn "$pkg unloaded, but with errors: $@"; 3940 } or error "$pkg unloaded, but with errors: $@";
3941 }
3942
3943 trace "... clearing $pkg";
3944 clear_package $pkg;
2700 } 3945 }
2701 3946
2702 warn "... nuking $pkg";
2703 Symbol::delete_package $pkg;
2704 }
2705
2706 warn "unloading all perl modules loaded from $LIBDIR"; 3947 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2707 while (my ($k, $v) = each %INC) { 3948 while (my ($k, $v) = each %INC) {
2708 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3949 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2709 3950
2710 warn "... unloading $k"; 3951 trace "... unloading $k";
2711 delete $INC{$k}; 3952 delete $INC{$k};
2712 3953
2713 $k =~ s/\.pm$//; 3954 $k =~ s/\.pm$//;
2714 $k =~ s/\//::/g; 3955 $k =~ s/\//::/g;
2715 3956
2716 if (my $cb = $k->can ("unload_module")) { 3957 if (my $cb = $k->can ("unload_module")) {
2717 $cb->(); 3958 $cb->();
3959 }
3960
3961 clear_package $k;
2718 } 3962 }
2719 3963
2720 Symbol::delete_package $k;
2721 }
2722
2723 warn "getting rid of safe::, as good as possible"; 3964 trace "perl_reload: getting rid of safe::, as good as possible";
2724 Symbol::delete_package "safe::$_" 3965 clear_package "safe::$_"
2725 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3966 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2726 3967
2727 warn "unloading cf.pm \"a bit\""; 3968 trace "perl_reload: unloading cf.pm \"a bit\"";
2728 delete $INC{"cf.pm"}; 3969 delete $INC{"cf.pm"};
2729 delete $INC{"cf/pod.pm"}; 3970 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2730 3971
2731 # don't, removes xs symbols, too, 3972 # don't, removes xs symbols, too,
2732 # and global variables created in xs 3973 # and global variables created in xs
2733 #Symbol::delete_package __PACKAGE__; 3974 #clear_package __PACKAGE__;
2734 3975
2735 warn "unload completed, starting to reload now"; 3976 info "perl_reload: unload completed, starting to reload now";
2736 3977
2737 warn "reloading cf.pm"; 3978 trace "perl_reload: reloading cf.pm";
2738 require cf; 3979 require cf;
2739 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3980 cf::_connect_to_perl_1;
2740 3981
2741 warn "loading config and database again"; 3982 trace "perl_reload: loading config and database again";
2742 cf::cfg_load; 3983 cf::reload_config;
2743 3984
2744 warn "loading extensions"; 3985 trace "perl_reload: loading extensions";
2745 cf::load_extensions; 3986 cf::load_extensions;
2746 3987
3988 if ($REATTACH_ON_RELOAD) {
2747 warn "reattaching attachments to objects/players"; 3989 trace "perl_reload: reattaching attachments to objects/players";
2748 _global_reattach; # objects, sockets 3990 _global_reattach; # objects, sockets
2749 warn "reattaching attachments to maps"; 3991 trace "perl_reload: reattaching attachments to maps";
2750 reattach $_ for values %MAP; 3992 reattach $_ for values %MAP;
2751 warn "reattaching attachments to players"; 3993 trace "perl_reload: reattaching attachments to players";
2752 reattach $_ for values %PLAYER; 3994 reattach $_ for values %PLAYER;
3995 }
2753 3996
2754 warn "leaving sync_job"; 3997 cf::_post_init 1;
2755 3998
3999 trace "perl_reload: leaving sync_job";
4000
2756 1 4001 1
2757 } or do { 4002 } or do {
2758 warn $@; 4003 error $@;
2759 warn "error while reloading, exiting."; 4004 cf::cleanup "perl_reload: error, exiting.";
2760 exit 1; 4005 };
4006
4007 --$RELOAD;
2761 }; 4008 }
2762 4009
2763 warn "reloaded"; 4010 $t1 = AE::time - $t1;
4011 info "perl_reload: completed in ${t1}s\n";
2764}; 4012};
2765 4013
2766our $RELOAD_WATCHER; # used only during reload 4014our $RELOAD_WATCHER; # used only during reload
2767 4015
2768sub reload_perl() { 4016sub reload_perl() {
2769 # doing reload synchronously and two reloads happen back-to-back, 4017 # doing reload synchronously and two reloads happen back-to-back,
2770 # coro crashes during coro_state_free->destroy here. 4018 # coro crashes during coro_state_free->destroy here.
2771 4019
2772 $RELOAD_WATCHER ||= Event->timer ( 4020 $RELOAD_WATCHER ||= cf::async {
2773 reentrant => 0, 4021 Coro::AIO::aio_wait cache_extensions;
2774 after => 0, 4022
2775 data => WF_AUTOCANCEL, 4023 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2776 cb => sub {
2777 do_reload_perl; 4024 do_reload_perl;
2778 undef $RELOAD_WATCHER; 4025 undef $RELOAD_WATCHER;
2779 }, 4026 };
2780 ); 4027 };
2781} 4028}
2782 4029
2783register_command "reload" => sub { 4030register_command "reload" => sub {
2784 my ($who, $arg) = @_; 4031 my ($who, $arg) = @_;
2785 4032
2786 if ($who->flag (FLAG_WIZ)) { 4033 if ($who->flag (FLAG_WIZ)) {
2787 $who->message ("reloading server."); 4034 $who->message ("reloading server.");
4035 async {
4036 $Coro::current->{desc} = "perl_reload";
2788 async { reload_perl }; 4037 reload_perl;
4038 };
2789 } 4039 }
2790}; 4040};
2791 4041
2792unshift @INC, $LIBDIR; 4042#############################################################################
2793 4043
2794my $bug_warning = 0; 4044my $bug_warning = 0;
2795 4045
2796our @WAIT_FOR_TICK; 4046our @WAIT_FOR_TICK;
2797our @WAIT_FOR_TICK_BEGIN; 4047our @WAIT_FOR_TICK_BEGIN;
2798 4048
2799sub wait_for_tick { 4049sub wait_for_tick() {
2800 return unless $TICK_WATCHER->is_active;
2801 return if $Coro::current == $Coro::main; 4050 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2802 4051
2803 my $signal = new Coro::Signal; 4052 my $signal = new Coro::Signal;
2804 push @WAIT_FOR_TICK, $signal; 4053 push @WAIT_FOR_TICK, $signal;
2805 $signal->wait; 4054 $signal->wait;
2806} 4055}
2807 4056
2808sub wait_for_tick_begin { 4057sub wait_for_tick_begin() {
2809 return unless $TICK_WATCHER->is_active;
2810 return if $Coro::current == $Coro::main; 4058 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2811 4059
2812 my $signal = new Coro::Signal; 4060 my $signal = new Coro::Signal;
2813 push @WAIT_FOR_TICK_BEGIN, $signal; 4061 push @WAIT_FOR_TICK_BEGIN, $signal;
2814 $signal->wait; 4062 $signal->wait;
2815} 4063}
2816 4064
2817$TICK_WATCHER = Event->timer ( 4065sub tick {
2818 reentrant => 0,
2819 parked => 1,
2820 prio => 0,
2821 at => $NEXT_TICK || $TICK,
2822 data => WF_AUTOCANCEL,
2823 cb => sub {
2824 if ($Coro::current != $Coro::main) { 4066 if ($Coro::current != $Coro::main) {
2825 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4067 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2826 unless ++$bug_warning > 10; 4068 unless ++$bug_warning > 10;
2827 return; 4069 return;
2828 } 4070 }
2829 4071
2830 $NOW = Event::time;
2831
2832 cf::server_tick; # one server iteration 4072 cf::server_tick; # one server iteration
2833 4073
2834 $RUNTIME += $TICK; 4074 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835 $NEXT_TICK += $TICK;
2836 4075
2837 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4076 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2838 $NEXT_RUNTIME_WRITE = $NOW + 10; 4077 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2839 Coro::async_pool { 4078 Coro::async_pool {
4079 $Coro::current->{desc} = "runtime saver";
2840 write_runtime 4080 write_runtime_sync
2841 or warn "ERROR: unable to write runtime file: $!"; 4081 or error "ERROR: unable to write runtime file: $!";
2842 };
2843 } 4082 };
4083 }
2844 4084
2845# my $AFTER = Event::time;
2846# warn $AFTER - $NOW;#d#
2847
2848 # if we are delayed by four ticks or more, skip them all
2849 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2850
2851 $TICK_WATCHER->at ($NEXT_TICK);
2852 $TICK_WATCHER->start;
2853
2854 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4085 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2855 $sig->send; 4086 $sig->send;
2856 } 4087 }
2857 while (my $sig = shift @WAIT_FOR_TICK) { 4088 while (my $sig = shift @WAIT_FOR_TICK) {
2858 $sig->send; 4089 $sig->send;
2859 }
2860
2861 _post_tick;
2862 }, 4090 }
2863); 4091
4092 $LOAD = ($NOW - $TICK_START) / $TICK;
4093 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4094
4095 if (0) {
4096 if ($NEXT_TICK) {
4097 my $jitter = $TICK_START - $NEXT_TICK;
4098 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4099 debug "jitter $JITTER\n";#d#
4100 }
4101 }
4102}
2864 4103
2865{ 4104{
2866 BDB::max_poll_time $TICK * 0.1; 4105 # configure BDB
2867 $BDB_POLL_WATCHER = Event->io ( 4106
2868 reentrant => 0,
2869 fd => BDB::poll_fileno,
2870 poll => 'r',
2871 prio => 0,
2872 data => WF_AUTOCANCEL,
2873 cb => \&BDB::poll_cb,
2874 );
2875 BDB::min_parallel 8; 4107 BDB::min_parallel 16;
2876 4108 BDB::max_poll_reqs $TICK * 0.1;
2877 BDB::set_sync_prepare { 4109 $AnyEvent::BDB::WATCHER->priority (1);
2878 my $status;
2879 my $current = $Coro::current;
2880 (
2881 sub {
2882 $status = $!;
2883 $current->ready; undef $current;
2884 },
2885 sub {
2886 Coro::schedule while defined $current;
2887 $! = $status;
2888 },
2889 )
2890 };
2891 4110
2892 unless ($DB_ENV) { 4111 unless ($DB_ENV) {
2893 $DB_ENV = BDB::db_env_create; 4112 $DB_ENV = BDB::db_env_create;
4113 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4114 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4115 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4116 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4117 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2894 4118
2895 cf::sync_job { 4119 cf::sync_job {
2896 eval { 4120 eval {
2897 BDB::db_env_open 4121 BDB::db_env_open
2898 $DB_ENV, 4122 $DB_ENV,
… …
2900 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4124 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2901 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4125 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2902 0666; 4126 0666;
2903 4127
2904 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4128 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2905
2906 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2907 $DB_ENV->set_lk_detect;
2908 }; 4129 };
2909 4130
2910 cf::cleanup "db_env_open(db): $@" if $@; 4131 cf::cleanup "db_env_open(db): $@" if $@;
2911 }; 4132 };
2912 } 4133 }
4134
4135 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4136 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4137 };
4138 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4139 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4140 };
4141 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4142 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4143 };
2913} 4144}
2914 4145
2915{ 4146{
4147 # configure IO::AIO
4148
2916 IO::AIO::min_parallel 8; 4149 IO::AIO::min_parallel 8;
2917
2918 undef $Coro::AIO::WATCHER;
2919 IO::AIO::max_poll_time $TICK * 0.1; 4150 IO::AIO::max_poll_time $TICK * 0.1;
2920 $AIO_POLL_WATCHER = Event->io ( 4151 undef $AnyEvent::AIO::WATCHER;
2921 reentrant => 0, 4152}
2922 data => WF_AUTOCANCEL, 4153
2923 fd => IO::AIO::poll_fileno, 4154my $_log_backtrace;
2924 poll => 'r', 4155
2925 prio => 6, 4156sub _log_backtrace {
2926 cb => \&IO::AIO::poll_cb, 4157 my ($msg, @addr) = @_;
2927 ); 4158
4159 $msg =~ s/\n//;
4160
4161 # limit the # of concurrent backtraces
4162 if ($_log_backtrace < 2) {
4163 ++$_log_backtrace;
4164 my $perl_bt = Carp::longmess $msg;
4165 async {
4166 $Coro::current->{desc} = "abt $msg";
4167
4168 my @bt = fork_call {
4169 @addr = map { sprintf "%x", $_ } @addr;
4170 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4171 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4172 or die "addr2line: $!";
4173
4174 my @funcs;
4175 my @res = <$fh>;
4176 chomp for @res;
4177 while (@res) {
4178 my ($func, $line) = splice @res, 0, 2, ();
4179 push @funcs, "[$func] $line";
4180 }
4181
4182 @funcs
4183 };
4184
4185 LOG llevInfo, "[ABT] $perl_bt\n";
4186 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4187 LOG llevInfo, "[ABT] $_\n" for @bt;
4188 --$_log_backtrace;
4189 };
4190 } else {
4191 LOG llevInfo, "[ABT] $msg\n";
4192 LOG llevInfo, "[ABT] [suppressed]\n";
4193 }
2928} 4194}
2929 4195
2930# load additional modules 4196# load additional modules
2931use cf::pod; 4197require "cf/$_.pm" for @EXTRA_MODULES;
4198cf::_connect_to_perl_2;
2932 4199
2933END { cf::emergency_save } 4200END { cf::emergency_save }
2934 4201
29351 42021
2936 4203

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