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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.258 by root, Sat Apr 21 17:43:42 2007 UTC vs.
Revision 1.558 by root, Tue Oct 5 22:35:30 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) = @_;
1231 # mit "rum" bekleckern, nicht 1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1232 $self->_create_random_map ( 1866 $self->_create_random_map ($rmp);
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236 $rmp->{exit_on_final_map},
1237 $rmp->{xsize}, $rmp->{ysize},
1238 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243 (cf::region::find $rmp->{region}), $rmp->{custom}
1244 )
1245} 1867}
1246 1868
1247=item cf::map->register ($regex, $prio) 1869=item cf::map->register ($regex, $prio)
1248 1870
1249Register a handler for the map path matching the given regex at the 1871Register a handler for the map path matching the given regex at the
… …
1254 1876
1255sub register { 1877sub register {
1256 my (undef, $regex, $prio) = @_; 1878 my (undef, $regex, $prio) = @_;
1257 my $pkg = caller; 1879 my $pkg = caller;
1258 1880
1259 no strict;
1260 push @{"$pkg\::ISA"}, __PACKAGE__; 1881 push @{"$pkg\::ISA"}, __PACKAGE__;
1261 1882
1262 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1883 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263} 1884}
1264 1885
1265# also paths starting with '/' 1886# also paths starting with '/'
1266$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1887$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267 1888
1268sub thawer_merge { 1889sub thawer_merge {
1269 my ($self, $merge) = @_; 1890 my ($self, $merge) = @_;
1270 1891
1271 # we have to keep some variables in memory intact 1892 # we have to keep some variables in memory intact
1272 local $self->{path}; 1893 local $self->{path};
1273 local $self->{load_path}; 1894 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1895
1277 $self->SUPER::thawer_merge ($merge); 1896 $self->SUPER::thawer_merge ($merge);
1278} 1897}
1279 1898
1280sub normalise { 1899sub normalise {
1281 my ($path, $base) = @_; 1900 my ($path, $base) = @_;
1282 1901
1283 $path = "$path"; # make sure its a string 1902 $path = "$path"; # make sure it's a string
1284 1903
1285 $path =~ s/\.map$//; 1904 $path =~ s/\.map$//;
1286 1905
1287 # map plan: 1906 # map plan:
1288 # 1907 #
… …
1303 $base =~ s{[^/]+/?$}{}; 1922 $base =~ s{[^/]+/?$}{};
1304 $path = "$base/$path"; 1923 $path = "$base/$path";
1305 } 1924 }
1306 1925
1307 for ($path) { 1926 for ($path) {
1308 redo if s{//}{/};
1309 redo if s{/\.?/}{/}; 1927 redo if s{/\.?/}{/};
1310 redo if s{/[^/]+/\.\./}{/}; 1928 redo if s{/[^/]+/\.\./}{/};
1311 } 1929 }
1312 1930
1313 $path 1931 $path
… …
1327 $self->init; # pass $1 etc. 1945 $self->init; # pass $1 etc.
1328 return $self; 1946 return $self;
1329 } 1947 }
1330 } 1948 }
1331 1949
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1950 Carp::cluck "unable to resolve path '$path' (base '$base')";
1333 () 1951 ()
1334} 1952}
1335 1953
1336sub init { 1954sub init {
1337 my ($self) = @_; 1955 my ($self) = @_;
… …
1359 1977
1360# the temporary/swap location 1978# the temporary/swap location
1361sub save_path { 1979sub save_path {
1362 my ($self) = @_; 1980 my ($self) = @_;
1363 1981
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1982 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1983 "$TMPDIR/$path.map"
1366} 1984}
1367 1985
1368# the unique path, undef == no special unique path 1986# the unique path, undef == no special unique path
1369sub uniq_path { 1987sub uniq_path {
1370 my ($self) = @_; 1988 my ($self) = @_;
1371 1989
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1990 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 1991 "$UNIQUEDIR/$path"
1374} 1992}
1375 1993
1376# and all this just because we cannot iterate over 1994sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 1995 my ($self) = @_;
1380 1996
1381 $_->change_map_light ($change) 1997 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 1998
1999 $self->do_decay_objects;
1383} 2000}
1384 2001
1385sub unlink_save { 2002sub unlink_save {
1386 my ($self) = @_; 2003 my ($self) = @_;
1387 2004
… …
1392 2009
1393sub load_header_from($) { 2010sub load_header_from($) {
1394 my ($self, $path) = @_; 2011 my ($self, $path) = @_;
1395 2012
1396 utf8::encode $path; 2013 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 2014 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 2015 or return;
2016
2017 $self->_load_header ($f)
2018 or return;
2019
2020 local $MAP_LOADING{$self->{path}} = $self;
2021 $f->resolve_delayed_derefs;
1402 2022
1403 $self->{load_path} = $path; 2023 $self->{load_path} = $path;
1404 2024
1405 1 2025 1
1406} 2026}
… …
1445 $self->load_header_orig 2065 $self->load_header_orig
1446 or return; 2066 or return;
1447 $self->prepare_orig; 2067 $self->prepare_orig;
1448 } 2068 }
1449 2069
2070 $self->{deny_reset} = 1
2071 if $self->no_reset;
2072
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2073 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2074 unless $self->default_region;
1452 2075
1453 1 2076 1
1454} 2077}
1455 2078
1456sub find; 2079sub find;
1457sub find { 2080sub find {
1458 my ($path, $origin) = @_; 2081 my ($path, $origin) = @_;
1459 2082
2083 cf::cede_to_tick;
2084
1460 $path = normalise $path, $origin && $origin->path; 2085 $path = normalise $path, $origin && $origin->path;
1461 2086
2087 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2088 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2089
1464 $cf::MAP{$path} || do { 2090 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2091 my $map = new_from_path cf::map $path
1467 or return; 2092 or return;
1468 2093
1469 $map->{last_save} = $cf::RUNTIME; 2094 $map->{last_save} = $cf::RUNTIME;
1470 2095
1471 $map->load_header 2096 $map->load_header
1472 or return; 2097 or return;
1473 2098
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2099 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2100 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2101 #$cf::WAIT_FOR_TICK->wait;
2102 undef $guard2;
2103 undef $guard1;
1477 $map->reset; 2104 $map->reset;
1478 undef $guard;
1479 return find $path; 2105 return find $path;
1480 } 2106 }
1481 2107
1482 $cf::MAP{$path} = $map 2108 $cf::MAP{$path} = $map
1483 } 2109 }
1484} 2110}
1485 2111
1486sub pre_load { } 2112sub pre_load { }
1487sub post_load { } 2113#sub post_load { } # XS
1488 2114
1489sub load { 2115sub load {
1490 my ($self) = @_; 2116 my ($self) = @_;
1491 2117
1492 local $self->{deny_reset} = 1; # loading can take a long time 2118 local $self->{deny_reset} = 1; # loading can take a long time
1493 2119
1494 my $path = $self->{path}; 2120 my $path = $self->{path};
1495 2121
1496 { 2122 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2123 my $guard = cf::lock_acquire "map_data:$path";
1498 2124
2125 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2126 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2127
1501 $self->in_memory (cf::MAP_LOADING); 2128 $self->in_memory (cf::MAP_LOADING);
1502 2129
1503 $self->alloc; 2130 $self->alloc;
1504 2131
1505 $self->pre_load; 2132 $self->pre_load;
1506 Coro::cede; 2133 cf::cede_to_tick;
1507 2134
2135 my $f = new_from_file cf::object::thawer $self->{load_path};
2136 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2137 $self->_load_objects ($f)
1509 or return; 2138 or return;
1510 2139
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2140 $self->post_load_original
1512 if delete $self->{load_original}; 2141 if delete $self->{load_original};
1513 2142
1514 if (my $uniq = $self->uniq_path) { 2143 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2144 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2145 unless (aio_stat $uniq) {
2146 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2147 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2148 $self->_load_objects ($f);
2149 $f->resolve_delayed_derefs;
2150 }
1519 } 2151 }
1520 } 2152 }
1521 2153
1522 Coro::cede; 2154 $f->resolve_delayed_derefs;
2155
2156 cf::cede_to_tick;
1523 # now do the right thing for maps 2157 # now do the right thing for maps
1524 $self->link_multipart_objects; 2158 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2159 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2160 unless $self->difficulty;
1527 Coro::cede; 2161 cf::cede_to_tick;
1528 2162
1529 unless ($self->{deny_activate}) { 2163 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2164 $self->decay_objects;
1531 $self->fix_auto_apply; 2165 $self->fix_auto_apply;
1532 $self->update_buttons; 2166 $self->update_buttons;
1533 Coro::cede; 2167 cf::cede_to_tick;
1534 $self->set_darkness_map;
1535 Coro::cede;
1536 $self->activate; 2168 $self->activate;
1537 } 2169 }
1538 2170
2171 $self->{last_save} = $cf::RUNTIME;
2172 $self->last_access ($cf::RUNTIME);
2173
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2174 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2175 }
1541 2176
1542 $self->post_load; 2177 $self->post_load;
1543}
1544 2178
2179 1
2180}
2181
2182# customize the map for a given player, i.e.
2183# return the _real_ map. used by e.g. per-player
2184# maps to change the path to ~playername/mappath
1545sub customise_for { 2185sub customise_for {
1546 my ($self, $ob) = @_; 2186 my ($self, $ob) = @_;
1547 2187
1548 return find "~" . $ob->name . "/" . $self->{path} 2188 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2189 if $self->per_player;
1550 2190
2191# return find "?party/" . $ob->name . "/" . $self->{path}
2192# if $self->per_party;
2193
1551 $self 2194 $self
1552} 2195}
1553 2196
1554# find and load all maps in the 3x3 area around a map 2197# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2198sub load_neighbours {
1556 my ($map) = @_; 2199 my ($map) = @_;
1557 2200
1558 my @diag; # diagonal neighbours 2201 my @neigh; # diagonal neighbours
1559 2202
1560 for (0 .. 3) { 2203 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2204 my $neigh = $map->tile_path ($_)
1562 or next; 2205 or next;
1563 $neigh = find $neigh, $map 2206 $neigh = find $neigh, $map
1564 or next; 2207 or next;
1565 $neigh->load; 2208 $neigh->load;
1566 2209
2210 # now find the diagonal neighbours
2211 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2212 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2213 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2214 }
1570 2215
1571 for (@diag) { 2216 for (grep defined $_->[0], @neigh) {
2217 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2218 my $neigh = find $path, $origin
1573 or next; 2219 or next;
1574 $neigh->load; 2220 $neigh->load;
1575 } 2221 }
1576} 2222}
1577 2223
1578sub find_sync { 2224sub find_sync {
1579 my ($path, $origin) = @_; 2225 my ($path, $origin) = @_;
1580 2226
1581 cf::sync_job { find $path, $origin } 2227 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2228 if $Coro::current == $Coro::main;
2229
2230 find $path, $origin
1582} 2231}
1583 2232
1584sub do_load_sync { 2233sub do_load_sync {
1585 my ($map) = @_; 2234 my ($map) = @_;
1586 2235
1587 cf::sync_job { $map->load }; 2236 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2237 if $Coro::current == $Coro::main;
2238
2239 $map->load;
1588} 2240}
1589 2241
1590our %MAP_PREFETCH; 2242our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2243our $MAP_PREFETCHER = undef;
1592 2244
1593sub find_async { 2245sub find_async {
1594 my ($path, $origin) = @_; 2246 my ($path, $origin, $load) = @_;
1595 2247
1596 $path = normalise $path, $origin && $origin->{path}; 2248 $path = normalise $path, $origin && $origin->{path};
1597 2249
1598 if (my $map = $cf::MAP{$path}) { 2250 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2251 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2252 }
1601 2253
1602 undef $MAP_PREFETCH{$path}; 2254 $MAP_PREFETCH{$path} |= $load;
2255
1603 $MAP_PREFETCHER ||= cf::async { 2256 $MAP_PREFETCHER ||= cf::async {
2257 $Coro::current->{desc} = "map prefetcher";
2258
1604 while (%MAP_PREFETCH) { 2259 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2260 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2261 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2262 $map->load if $v;
2263 }
1609 2264
1610 delete $MAP_PREFETCH{$path}; 2265 delete $MAP_PREFETCH{$k};
1611 } 2266 }
1612 } 2267 }
1613 undef $MAP_PREFETCHER; 2268 undef $MAP_PREFETCHER;
1614 }; 2269 };
1615 $MAP_PREFETCHER->prio (6); 2270 $MAP_PREFETCHER->prio (6);
1616 2271
1617 () 2272 ()
1618} 2273}
1619 2274
2275# common code, used by both ->save and ->swapout
1620sub save { 2276sub _save {
1621 my ($self) = @_; 2277 my ($self) = @_;
1622
1623 my $lock = cf::lock_acquire "map_data:" . $self->path;
1624 2278
1625 $self->{last_save} = $cf::RUNTIME; 2279 $self->{last_save} = $cf::RUNTIME;
1626 2280
1627 return unless $self->dirty; 2281 return unless $self->dirty;
1628 2282
… …
1634 return if $self->{deny_save}; 2288 return if $self->{deny_save};
1635 2289
1636 local $self->{last_access} = $self->last_access;#d# 2290 local $self->{last_access} = $self->last_access;#d#
1637 2291
1638 cf::async { 2292 cf::async {
2293 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2294 $_->contr->save for $self->players;
1640 }; 2295 };
2296
2297 cf::get_slot 0.02;
1641 2298
1642 if ($uniq) { 2299 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2300 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2301 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2302 } else {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2303 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647 } 2304 }
1648} 2305}
1649 2306
2307sub save {
2308 my ($self) = @_;
2309
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2312 $self->_save;
2313}
2314
1650sub swap_out { 2315sub swap_out {
1651 my ($self) = @_; 2316 my ($self) = @_;
1652 2317
1653 # save first because save cedes
1654 $self->save;
1655
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2318 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2319
2320 return if $self->in_memory != cf::MAP_ACTIVE;
2321 return if $self->{deny_save};
1658 return if $self->players; 2322 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY;
1660 return if $self->{deny_save};
1661 2323
2324 # first deactivate the map and "unlink" it from the core
2325 $self->deactivate;
2326 $_->clear_links_to ($self) for values %cf::MAP;
2327 $self->in_memory (cf::MAP_SWAPPED);
2328
2329 # then atomically save
2330 $self->_save;
2331
2332 # then free the map
1662 $self->clear; 2333 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2334}
1665 2335
1666sub reset_at { 2336sub reset_at {
1667 my ($self) = @_; 2337 my ($self) = @_;
1668 2338
1669 # TODO: safety, remove and allow resettable per-player maps 2339 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2340 return 1e99 if $self->{deny_reset};
1672 2341
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2342 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2343 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2344
… …
1686 my ($self) = @_; 2355 my ($self) = @_;
1687 2356
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2357 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2358
1690 return if $self->players; 2359 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2360
1693 warn "resetting map ", $self->path;#d# 2361 cf::trace "resetting map ", $self->path, "\n";
1694 2362
1695 $self->in_memory (cf::MAP_SWAPPED); 2363 $self->in_memory (cf::MAP_SWAPPED);
1696 2364
1697 # need to save uniques path 2365 # need to save uniques path
1698 unless ($self->{deny_save}) { 2366 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2370 if $uniq;
1703 } 2371 }
1704 2372
1705 delete $cf::MAP{$self->path}; 2373 delete $cf::MAP{$self->path};
1706 2374
2375 $self->deactivate;
2376 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2377 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2378
1711 $self->unlink_save; 2379 $self->unlink_save;
1712 $self->destroy; 2380 $self->destroy;
1713} 2381}
1714 2382
1715my $nuke_counter = "aaaa"; 2383my $nuke_counter = "aaaa";
1716 2384
1717sub nuke { 2385sub nuke {
1718 my ($self) = @_; 2386 my ($self) = @_;
1719 2387
2388 {
2389 my $lock = cf::lock_acquire "map_data:$self->{path}";
2390
1720 delete $cf::MAP{$self->path}; 2391 delete $cf::MAP{$self->path};
1721 2392
1722 $self->unlink_save; 2393 $self->unlink_save;
1723 2394
1724 bless $self, "cf::map"; 2395 bless $self, "cf::map::wrap";
1725 delete $self->{deny_reset}; 2396 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2397 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2398 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2399 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2400
1730 $cf::MAP{$self->path} = $self; 2401 $cf::MAP{$self->path} = $self;
2402 }
1731 2403
1732 $self->reset; # polite request, might not happen 2404 $self->reset; # polite request, might not happen
2405}
2406
2407=item $maps = cf::map::tmp_maps
2408
2409Returns an arrayref with all map paths of currently instantiated and saved
2410maps. May block.
2411
2412=cut
2413
2414sub tmp_maps() {
2415 [
2416 map {
2417 utf8::decode $_;
2418 /\.map$/
2419 ? normalise $_
2420 : ()
2421 } @{ aio_readdir $TMPDIR or [] }
2422 ]
2423}
2424
2425=item $maps = cf::map::random_maps
2426
2427Returns an arrayref with all map paths of currently instantiated and saved
2428random maps. May block.
2429
2430=cut
2431
2432sub random_maps() {
2433 [
2434 map {
2435 utf8::decode $_;
2436 /\.map$/
2437 ? normalise "?random/$_"
2438 : ()
2439 } @{ aio_readdir $RANDOMDIR or [] }
2440 ]
1733} 2441}
1734 2442
1735=item cf::map::unique_maps 2443=item cf::map::unique_maps
1736 2444
1737Returns an arrayref of paths of all shared maps that have 2445Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2446instantiated unique items. May block.
1739 2447
1740=cut 2448=cut
1741 2449
1742sub unique_maps() { 2450sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2451 [
1744 or return; 2452 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2453 utf8::decode $_;
1750 next if /\.pst$/; 2454 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2455 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2456 ? ()
1753 push @paths, cf::map::normalise $_; 2457 : normalise $_
2458 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2459 ]
1755
1756 \@paths
1757} 2460}
1758 2461
1759package cf; 2462=item cf::map::static_maps
2463
2464Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2465file in the shared directory excluding F</styles> and F</editor>). May
2466block.
2467
2468=cut
2469
2470sub static_maps() {
2471 my @dirs = "";
2472 my @maps;
2473
2474 while (@dirs) {
2475 my $dir = shift @dirs;
2476
2477 next if $dir eq "/styles" || $dir eq "/editor";
2478
2479 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2480 or return;
2481
2482 for (@$files) {
2483 s/\.map$// or next;
2484 utf8::decode $_;
2485 push @maps, "$dir/$_";
2486 }
2487
2488 push @dirs, map "$dir/$_", @$dirs;
2489 }
2490
2491 \@maps
2492}
1760 2493
1761=back 2494=back
1762 2495
1763=head3 cf::object 2496=head3 cf::object
1764 2497
… …
1768 2501
1769=over 4 2502=over 4
1770 2503
1771=item $ob->inv_recursive 2504=item $ob->inv_recursive
1772 2505
1773Returns the inventory of the object _and_ their inventories, recursively. 2506Returns the inventory of the object I<and> their inventories, recursively,
2507but I<not> the object itself.
1774 2508
1775=cut 2509=cut
1776 2510
1777sub inv_recursive_; 2511sub inv_recursive_;
1778sub inv_recursive_ { 2512sub inv_recursive_ {
… …
1781 2515
1782sub inv_recursive { 2516sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2517 inv_recursive_ inv $_[0]
1784} 2518}
1785 2519
2520=item $ref = $ob->ref
2521
2522Creates and returns a persistent reference to an object that can be stored as a string.
2523
2524=item $ob = cf::object::deref ($refstring)
2525
2526returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2527even if the object actually exists. May block.
2528
2529=cut
2530
2531sub deref {
2532 my ($ref) = @_;
2533
2534 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2535 my ($uuid, $name) = ($1, $2);
2536 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2537 or return;
2538 $pl->ob->uuid eq $uuid
2539 or return;
2540
2541 $pl->ob
2542 } else {
2543 warn "$ref: cannot resolve object reference\n";
2544 undef
2545 }
2546}
2547
1786package cf; 2548package cf;
1787 2549
1788=back 2550=back
1789 2551
1790=head3 cf::object::player 2552=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2558Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2559can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2560dialogue with the given NPC character.
1799 2561
1800=cut 2562=cut
2563
2564our $SAY_CHANNEL = {
2565 id => "say",
2566 title => "Map",
2567 reply => "say ",
2568 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2569};
2570
2571our $CHAT_CHANNEL = {
2572 id => "chat",
2573 title => "Chat",
2574 reply => "chat ",
2575 tooltip => "Player chat and shouts, global to the server.",
2576};
1801 2577
1802# rough implementation of a future "reply" method that works 2578# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2579# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2580#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2581sub cf::object::player::reply($$$;$) {
… …
1807 2583
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2584 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2585
1810 if ($self->{record_replies}) { 2586 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2587 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2588
1812 } else { 2589 } else {
2590 my $pl = $self->contr;
2591
2592 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2593 my $dialog = $pl->{npc_dialog};
2594 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2595
2596 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2597 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2598 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2599 }
1815 } 2600 }
2601}
2602
2603=item $object->send_msg ($channel, $msg, $color, [extra...])
2604
2605=cut
2606
2607sub cf::object::send_msg {
2608 my $pl = shift->contr
2609 or return;
2610 $pl->send_msg (@_);
1816} 2611}
1817 2612
1818=item $player_object->may ("access") 2613=item $player_object->may ("access")
1819 2614
1820Returns wether the given player is authorized to access resource "access" 2615Returns wether the given player is authorized to access resource "access"
… …
1833 2628
1834=item $player_object->enter_link 2629=item $player_object->enter_link
1835 2630
1836Freezes the player and moves him/her to a special map (C<{link}>). 2631Freezes the player and moves him/her to a special map (C<{link}>).
1837 2632
1838The player should be reasonably safe there for short amounts of time. You 2633The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2634for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2635though, as the player cannot control the character while it is on the link
2636map.
1840 2637
1841Will never block. 2638Will never block.
1842 2639
1843=item $player_object->leave_link ($map, $x, $y) 2640=item $player_object->leave_link ($map, $x, $y)
1844 2641
… …
1862} 2659}
1863 2660
1864sub cf::object::player::enter_link { 2661sub cf::object::player::enter_link {
1865 my ($self) = @_; 2662 my ($self) = @_;
1866 2663
1867 $self->activate_recursive; 2664 $self->deactivate_recursive;
2665
2666 ++$self->{_link_recursion};
1868 2667
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2668 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2669
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2670 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2671 if $self->map && $self->map->{path} ne "{link}";
1873 2672
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2673 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1875} 2674}
1876 2675
1877sub cf::object::player::leave_link { 2676sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2677 my ($self, $map, $x, $y) = @_;
2678
2679 return unless $self->contr->active;
1879 2680
1880 my $link_pos = delete $self->{_link_pos}; 2681 my $link_pos = delete $self->{_link_pos};
1881 2682
1882 unless ($map) { 2683 unless ($map) {
1883 # restore original map position 2684 # restore original map position
… …
1894 ($x, $y) = (-1, -1) 2695 ($x, $y) = (-1, -1)
1895 unless (defined $x) && (defined $y); 2696 unless (defined $x) && (defined $y);
1896 2697
1897 # use -1 or undef as default coordinates, not 0, 0 2698 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2699 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2700 if $x <= 0 && $y <= 0;
1900 2701
1901 $map->load; 2702 $map->load;
1902 $map->load_diag; 2703 $map->load_neighbours;
1903 2704
1904 return unless $self->contr->active; 2705 return unless $self->contr->active;
1905 $self->activate_recursive;
1906 2706
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2707 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2708 if ($self->enter_map ($map, $x, $y)) {
1909} 2709 # entering was successful
1910 2710 delete $self->{_link_recursion};
1911cf::player->attach ( 2711 # only activate afterwards, to support waiting in hooks
1912 on_logout => sub { 2712 $self->activate_recursive;
1913 my ($pl) = @_;
1914
1915 # abort map switching before logout
1916 if ($pl->ob->{_link_pos}) {
1917 cf::sync_job {
1918 $pl->ob->leave_link
1919 };
1920 }
1921 }, 2713 }
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2714
1925 # try to abort aborted map switching on player login :) 2715}
1926 # should happen only on crashes
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2716
1943=item $player_object->goto ($path, $x, $y) 2717=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944 2718
2719Moves the player to the given map-path and coordinates by first freezing
2720her, loading and preparing them map, calling the provided $check callback
2721that has to return the map if sucecssful, and then unfreezes the player on
2722the new (success) or old (failed) map position. In either case, $done will
2723be called at the end of this process.
2724
2725Note that $check will be called with a potentially non-loaded map, so if
2726it needs a loaded map it has to call C<< ->load >>.
2727
1945=cut 2728=cut
2729
2730our $GOTOGEN;
1946 2731
1947sub cf::object::player::goto { 2732sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2733 my ($self, $path, $x, $y, $check, $done) = @_;
2734
2735 if ($self->{_link_recursion} >= $MAX_LINKS) {
2736 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2737 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2738 ($path, $x, $y) = @$EMERGENCY_POSITION;
2739 }
2740
2741 # do generation counting so two concurrent goto's will be executed in-order
2742 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2743
1950 $self->enter_link; 2744 $self->enter_link;
1951 2745
1952 (async { 2746 (async {
2747 $Coro::current->{desc} = "player::goto $path $x $y";
2748
2749 # *tag paths override both path and x|y
2750 if ($path =~ /^\*(.*)$/) {
2751 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2752 my $ob = $obs[rand @obs];
2753
2754 # see if we actually can go there
2755 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2756 $ob = $obs[rand @obs];
2757 } else {
2758 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2759 }
2760 # else put us there anyways for now #d#
2761
2762 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2763 } else {
2764 ($path, $x, $y) = (undef, undef, undef);
2765 }
2766 }
2767
1953 my $map = eval { 2768 my $map = eval {
1954 my $map = cf::map::find $path; 2769 my $map = defined $path ? cf::map::find $path : undef;
2770
2771 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2772 $map = $map->customise_for ($self);
2773 $map = $check->($map, $x, $y, $self) if $check && $map;
2774 } else {
2775 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2776 }
2777
1956 $map 2778 $map
2779 };
2780
2781 if ($@) {
2782 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2783 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2784 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2785
2786 if ($gen == $self->{_goto_generation}) {
2787 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2788 $self->leave_link ($map, $x, $y);
2789 }
2790
2791 $done->($self) if $done;
1961 })->prio (1); 2792 })->prio (1);
1962} 2793}
1963 2794
1964=item $player_object->enter_exit ($exit_object) 2795=item $player_object->enter_exit ($exit_object)
1965 2796
… …
1985} 2816}
1986 2817
1987sub prepare_random_map { 2818sub prepare_random_map {
1988 my ($exit) = @_; 2819 my ($exit) = @_;
1989 2820
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2821 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2822 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2823 # that depends on the exit object
1995 2824
1996 my $rmp = parse_random_map_params $exit->msg; 2825 my $rmp = parse_random_map_params $exit->msg;
… …
1998 if ($exit->map) { 2827 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2828 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2829 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2830 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2831 $rmp->{origin_y} = $exit->y;
2832
2833 $exit->map->touch;
2003 } 2834 }
2004 2835
2005 $rmp->{random_seed} ||= $exit->random_seed; 2836 $rmp->{random_seed} ||= $exit->random_seed;
2006 2837
2007 my $data = cf::to_json $rmp; 2838 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2839 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2840 my $meta = "$RANDOMDIR/$md5.meta";
2010 2841
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2842 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2843 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2844 undef $fh;
2014 aio_rename "$meta~", $meta; 2845 aio_rename "$meta~", $meta;
2015 2846
2847 my $slaying = "?random/$md5";
2848
2849 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2850 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2851 $exit->msg (undef);
2852 }
2018 } 2853 }
2019} 2854}
2020 2855
2021sub cf::object::player::enter_exit { 2856sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2857 my ($self, $exit) = @_;
2023 2858
2024 return unless $self->type == cf::PLAYER; 2859 return unless $self->type == cf::PLAYER;
2025 2860
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2861 $self->enter_link;
2038 2862
2039 (async { 2863 (async {
2040 $self->deactivate_recursive; # just to be sure 2864 $Coro::current->{desc} = "enter_exit";
2865
2041 unless (eval { 2866 unless (eval {
2867 $self->deactivate_recursive; # just to be sure
2868
2869 # random map handling
2870 {
2871 my $guard = cf::lock_acquire "exit_prepare:$exit";
2872
2873 prepare_random_map $exit
2874 if $exit->slaying eq "/!";
2875 }
2876
2877 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2878 my $x = $exit->stats->hp;
2879 my $y = $exit->stats->sp;
2880
2042 $self->goto ($slaying, $hp, $sp); 2881 $self->goto ($map, $x, $y);
2043 2882
2883 # if exit is damned, update players death & WoR home-position
2884 $self->contr->savebed ($map, $x, $y)
2885 if $exit->flag (cf::FLAG_DAMNED);
2886
2044 1; 2887 1
2045 }) { 2888 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2889 $self->message ("Something went wrong deep within the deliantra server. "
2047 . "I'll try to bring you back to the map you were before. " 2890 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2891 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2892 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2893
2051 warn "ERROR in enter_exit: $@"; 2894 error "ERROR in enter_exit: $@";
2052 $self->leave_link; 2895 $self->leave_link;
2053 } 2896 }
2054 })->prio (1); 2897 })->prio (1);
2055} 2898}
2056 2899
… …
2070 2913
2071 utf8::encode $text; 2914 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2915 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2916}
2074 2917
2918=item $client->send_big_packet ($pkt)
2919
2920Like C<send_packet>, but tries to compress large packets, and fragments
2921them as required.
2922
2923=cut
2924
2925our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2926
2927sub cf::client::send_big_packet {
2928 my ($self, $pkt) = @_;
2929
2930 # try lzf for large packets
2931 $pkt = "lzf " . Compress::LZF::compress $pkt
2932 if 1024 <= length $pkt and $self->{can_lzf};
2933
2934 # split very large packets
2935 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2936 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2937 $pkt = "frag";
2938 }
2939
2940 $self->send_packet ($pkt);
2941}
2942
2943=item $client->send_msg ($channel, $msg, $color, [extra...])
2944
2945Send a drawinfo or msg packet to the client, formatting the msg for the
2946client if neccessary. C<$type> should be a string identifying the type of
2947the message, with C<log> being the default. If C<$color> is negative, suppress
2948the message unless the client supports the msg packet.
2949
2950=cut
2951
2952# non-persistent channels (usually the info channel)
2953our %CHANNEL = (
2954 "c/motd" => {
2955 id => "infobox",
2956 title => "MOTD",
2957 reply => undef,
2958 tooltip => "The message of the day",
2959 },
2960 "c/identify" => {
2961 id => "infobox",
2962 title => "Identify",
2963 reply => undef,
2964 tooltip => "Items recently identified",
2965 },
2966 "c/examine" => {
2967 id => "infobox",
2968 title => "Examine",
2969 reply => undef,
2970 tooltip => "Signs and other items you examined",
2971 },
2972 "c/shopinfo" => {
2973 id => "infobox",
2974 title => "Shop Info",
2975 reply => undef,
2976 tooltip => "What your bargaining skill tells you about the shop",
2977 },
2978 "c/book" => {
2979 id => "infobox",
2980 title => "Book",
2981 reply => undef,
2982 tooltip => "The contents of a note or book",
2983 },
2984 "c/lookat" => {
2985 id => "infobox",
2986 title => "Look",
2987 reply => undef,
2988 tooltip => "What you saw there",
2989 },
2990 "c/who" => {
2991 id => "infobox",
2992 title => "Players",
2993 reply => undef,
2994 tooltip => "Shows players who are currently online",
2995 },
2996 "c/body" => {
2997 id => "infobox",
2998 title => "Body Parts",
2999 reply => undef,
3000 tooltip => "Shows which body parts you posess and are available",
3001 },
3002 "c/statistics" => {
3003 id => "infobox",
3004 title => "Statistics",
3005 reply => undef,
3006 tooltip => "Shows your primary statistics",
3007 },
3008 "c/skills" => {
3009 id => "infobox",
3010 title => "Skills",
3011 reply => undef,
3012 tooltip => "Shows your experience per skill and item power",
3013 },
3014 "c/shopitems" => {
3015 id => "infobox",
3016 title => "Shop Items",
3017 reply => undef,
3018 tooltip => "Shows the items currently for sale in this shop",
3019 },
3020 "c/resistances" => {
3021 id => "infobox",
3022 title => "Resistances",
3023 reply => undef,
3024 tooltip => "Shows your resistances",
3025 },
3026 "c/pets" => {
3027 id => "infobox",
3028 title => "Pets",
3029 reply => undef,
3030 tooltip => "Shows information abotu your pets/a specific pet",
3031 },
3032 "c/perceiveself" => {
3033 id => "infobox",
3034 title => "Perceive Self",
3035 reply => undef,
3036 tooltip => "You gained detailed knowledge about yourself",
3037 },
3038 "c/uptime" => {
3039 id => "infobox",
3040 title => "Uptime",
3041 reply => undef,
3042 tooltip => "How long the server has been running since last restart",
3043 },
3044 "c/mapinfo" => {
3045 id => "infobox",
3046 title => "Map Info",
3047 reply => undef,
3048 tooltip => "Information related to the maps",
3049 },
3050 "c/party" => {
3051 id => "party",
3052 title => "Party",
3053 reply => "gsay ",
3054 tooltip => "Messages and chat related to your party",
3055 },
3056 "c/death" => {
3057 id => "death",
3058 title => "Death",
3059 reply => undef,
3060 tooltip => "Reason for and more info about your most recent death",
3061 },
3062 "c/say" => $SAY_CHANNEL,
3063 "c/chat" => $CHAT_CHANNEL,
3064);
3065
3066sub cf::client::send_msg {
3067 my ($self, $channel, $msg, $color, @extra) = @_;
3068
3069 $msg = $self->pl->expand_cfpod ($msg)
3070 unless $color & cf::NDI_VERBATIM;
3071
3072 $color &= cf::NDI_CLIENT_MASK; # just in case...
3073
3074 # check predefined channels, for the benefit of C
3075 if ($CHANNEL{$channel}) {
3076 $channel = $CHANNEL{$channel};
3077
3078 $self->ext_msg (channel_info => $channel);
3079 $channel = $channel->{id};
3080
3081 } elsif (ref $channel) {
3082 # send meta info to client, if not yet sent
3083 unless (exists $self->{channel}{$channel->{id}}) {
3084 $self->{channel}{$channel->{id}} = $channel;
3085 $self->ext_msg (channel_info => $channel);
3086 }
3087
3088 $channel = $channel->{id};
3089 }
3090
3091 return unless @extra || length $msg;
3092
3093 # default colour, mask it out
3094 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3095 if $color & cf::NDI_DEF;
3096
3097 my $pkt = "msg "
3098 . $self->{json_coder}->encode (
3099 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3100 );
3101
3102 $self->send_big_packet ($pkt);
3103}
3104
2075=item $client->ext_event ($type, %msg) 3105=item $client->ext_msg ($type, @msg)
2076 3106
2077Sends an exti event to the client. 3107Sends an ext event to the client.
2078 3108
2079=cut 3109=cut
2080 3110
2081sub cf::client::ext_event($$%) { 3111sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 3112 my ($self, $type, @msg) = @_;
2083 3113
3114 if ($self->extcmd == 2) {
3115 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3116 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 3117 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 3118 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3119 }
3120}
3121
3122=item $client->ext_reply ($msgid, @msg)
3123
3124Sends an ext reply to the client.
3125
3126=cut
3127
3128sub cf::client::ext_reply($$@) {
3129 my ($self, $id, @msg) = @_;
3130
3131 if ($self->extcmd == 2) {
3132 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3133 } elsif ($self->extcmd == 1) {
3134 #TODO: version 1, remove
3135 unshift @msg, msgtype => "reply", msgid => $id;
3136 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3137 }
2086} 3138}
2087 3139
2088=item $success = $client->query ($flags, "text", \&cb) 3140=item $success = $client->query ($flags, "text", \&cb)
2089 3141
2090Queues a query to the client, calling the given callback with 3142Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3143the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3144C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 3145
2094Queries can fail, so check the return code. Or don't, as queries will become 3146Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 3147become reliable at some point in the future.
2096 3148
2097=cut 3149=cut
2098 3150
2099sub cf::client::query { 3151sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 3152 my ($self, $flags, $text, $cb) = @_;
… …
2108 utf8::encode $text; 3160 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3161 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 3162
2111 $self->send_packet ($self->{query_queue}[0][0]) 3163 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 3164 if @{ $self->{query_queue} } == 1;
3165
3166 1
2113} 3167}
2114 3168
2115cf::client->attach ( 3169cf::client->attach (
3170 on_connect => sub {
3171 my ($ns) = @_;
3172
3173 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3174 },
2116 on_reply => sub { 3175 on_reply => sub {
2117 my ($ns, $msg) = @_; 3176 my ($ns, $msg) = @_;
2118 3177
2119 # this weird shuffling is so that direct followup queries 3178 # this weird shuffling is so that direct followup queries
2120 # get handled first 3179 # get handled first
… …
2132 } else { 3191 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3192 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 3193 }
2135 } 3194 }
2136 }, 3195 },
3196 on_exticmd => sub {
3197 my ($ns, $buf) = @_;
3198
3199 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3200
3201 if (ref $msg) {
3202 my ($type, $reply, @payload) =
3203 "ARRAY" eq ref $msg
3204 ? @$msg
3205 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3206
3207 my @reply;
3208
3209 if (my $cb = $EXTICMD{$type}) {
3210 @reply = $cb->($ns, @payload);
3211 }
3212
3213 $ns->ext_reply ($reply, @reply)
3214 if $reply;
3215
3216 } else {
3217 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3218 }
3219
3220 cf::override;
3221 },
2137); 3222);
2138 3223
2139=item $client->async (\&cb) 3224=item $client->async (\&cb)
2140 3225
2141Create a new coroutine, running the specified callback. The coroutine will 3226Create a new coroutine, running the specified callback. The coroutine will
… …
2157 3242
2158 $coro 3243 $coro
2159} 3244}
2160 3245
2161cf::client->attach ( 3246cf::client->attach (
2162 on_destroy => sub { 3247 on_client_destroy => sub {
2163 my ($ns) = @_; 3248 my ($ns) = @_;
2164 3249
2165 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3250 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166 }, 3251 },
2167); 3252);
… …
2182our $safe = new Safe "safe"; 3267our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3268our $safe_hole = new Safe::Hole;
2184 3269
2185$SIG{FPE} = 'IGNORE'; 3270$SIG{FPE} = 'IGNORE';
2186 3271
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3272$safe->permit_only (Opcode::opset qw(
3273 :base_core :base_mem :base_orig :base_math :base_loop
3274 grepstart grepwhile mapstart mapwhile
3275 sort time
3276));
2188 3277
2189# here we export the classes and methods available to script code 3278# here we export the classes and methods available to script code
2190 3279
2191=pod 3280=pod
2192 3281
2193The following functions and methods are available within a safe environment: 3282The following functions and methods are available within a safe environment:
2194 3283
2195 cf::object contr pay_amount pay_player map 3284 cf::object
3285 contr pay_amount pay_player map x y force_find force_add destroy
3286 insert remove name archname title slaying race decrease split
3287 value
3288
2196 cf::object::player player 3289 cf::object::player
2197 cf::player peaceful 3290 player
2198 cf::map trigger 3291
3292 cf::player
3293 peaceful
3294
3295 cf::map
3296 trigger
2199 3297
2200=cut 3298=cut
2201 3299
2202for ( 3300for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3301 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3302 insert remove inv nrof name archname title slaying race
3303 decrease split destroy change_exp value msg lore send_msg)],
2204 ["cf::object::player" => qw(player)], 3304 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3305 ["cf::player" => qw(peaceful send_msg)],
2206 ["cf::map" => qw(trigger)], 3306 ["cf::map" => qw(trigger)],
2207) { 3307) {
2208 no strict 'refs';
2209 my ($pkg, @funs) = @$_; 3308 my ($pkg, @funs) = @$_;
2210 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211 for @funs; 3310 for @funs;
2212} 3311}
2213 3312
… …
2228 3327
2229 my $qcode = $code; 3328 my $qcode = $code;
2230 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3329 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2231 $qcode =~ s/\n/\\n/g; 3330 $qcode =~ s/\n/\\n/g;
2232 3331
3332 %vars = (_dummy => 0) unless %vars;
3333
3334 my @res;
2233 local $_; 3335 local $_;
2234 local @safe::cf::_safe_eval_args = values %vars;
2235 3336
2236 my $eval = 3337 my $eval =
2237 "do {\n" 3338 "do {\n"
2238 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3339 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239 . "#line 0 \"{$qcode}\"\n" 3340 . "#line 0 \"{$qcode}\"\n"
2240 . $code 3341 . $code
2241 . "\n}" 3342 . "\n}"
2242 ; 3343 ;
2243 3344
3345 if ($CFG{safe_eval}) {
2244 sub_generation_inc; 3346 sub_generation_inc;
3347 local @safe::cf::_safe_eval_args = values %vars;
2245 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3348 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246 sub_generation_inc; 3349 sub_generation_inc;
3350 } else {
3351 local @cf::_safe_eval_args = values %vars;
3352 @res = wantarray ? eval eval : scalar eval $eval;
3353 }
2247 3354
2248 if ($@) { 3355 if ($@) {
2249 warn "$@"; 3356 warn "$@",
2250 warn "while executing safe code '$code'\n"; 3357 "while executing safe code '$code'\n",
2251 warn "with arguments " . (join " ", %vars) . "\n"; 3358 "with arguments " . (join " ", %vars) . "\n";
2252 } 3359 }
2253 3360
2254 wantarray ? @res : $res[0] 3361 wantarray ? @res : $res[0]
2255} 3362}
2256 3363
… …
2270=cut 3377=cut
2271 3378
2272sub register_script_function { 3379sub register_script_function {
2273 my ($fun, $cb) = @_; 3380 my ($fun, $cb) = @_;
2274 3381
2275 no strict 'refs'; 3382 $fun = "safe::$fun" if $CFG{safe_eval};
2276 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3383 *$fun = $safe_hole->wrap ($cb);
2277} 3384}
2278 3385
2279=back 3386=back
2280 3387
2281=cut 3388=cut
2282
2283#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455 3389
2456############################################################################# 3390#############################################################################
2457# the server's init and main functions 3391# the server's init and main functions
2458 3392
2459sub load_facedata($) { 3393sub load_facedata($) {
2460 my ($path) = @_; 3394 my ($path) = @_;
2461 3395
3396 # HACK to clear player env face cache, we need some signal framework
3397 # for this (global event?)
3398 %ext::player_env::MUSIC_FACE_CACHE = ();
3399
3400 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3401
2462 warn "loading facedata from $path\n"; 3402 trace "loading facedata from $path\n";
2463 3403
2464 my $facedata;
2465 0 < aio_load $path, $facedata 3404 0 < aio_load $path, my $facedata
2466 or die "$path: $!"; 3405 or die "$path: $!";
2467 3406
2468 $facedata = Coro::Storable::thaw $facedata; 3407 $facedata = Coro::Storable::thaw $facedata;
2469 3408
2470 $facedata->{version} == 2 3409 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3410 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3411
3412 # patch in the exptable
3413 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3414 $facedata->{resource}{"res/exp_table"} = {
3415 type => FT_RSRC,
3416 data => $exp_table,
3417 hash => (Digest::MD5::md5 $exp_table),
3418 };
3419 cf::cede_to_tick;
3420
2473 { 3421 {
2474 my $faces = $facedata->{faceinfo}; 3422 my $faces = $facedata->{faceinfo};
2475 3423
2476 while (my ($face, $info) = each %$faces) { 3424 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3425 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3426
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3427 cf::face::set_visibility $idx, $info->{visibility};
3428 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3429 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3430 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481 Coro::cede; 3431 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3432
3433 cf::cede_to_tick;
2482 } 3434 }
2483 3435
2484 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3437 next unless $info->{smooth};
3438
2486 my $idx = cf::face::find $face 3439 my $idx = cf::face::find $face
2487 or next; 3440 or next;
3441
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3442 if (my $smooth = cf::face::find $info->{smooth}) {
3443 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3444 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3445 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3446 error "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3447 }
2493 Coro::cede; 3448
3449 cf::cede_to_tick;
2494 } 3450 }
2495 } 3451 }
2496 3452
2497 { 3453 {
2498 my $anims = $facedata->{animinfo}; 3454 my $anims = $facedata->{animinfo};
2499 3455
2500 while (my ($anim, $info) = each %$anims) { 3456 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3457 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3458 cf::cede_to_tick;
2503 } 3459 }
2504 3460
2505 cf::anim::invalidate_all; # d'oh 3461 cf::anim::invalidate_all; # d'oh
2506 } 3462 }
2507 3463
3464 {
3465 my $res = $facedata->{resource};
3466
3467 while (my ($name, $info) = each %$res) {
3468 if (defined $info->{type}) {
3469 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3470
3471 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3472 cf::face::set_type $idx, $info->{type};
3473 } else {
3474 $RESOURCE{$name} = $info; # unused
3475 }
3476
3477 cf::cede_to_tick;
3478 }
3479 }
3480
3481 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3482
2508 1 3483 1
2509} 3484}
2510 3485
3486register_exticmd fx_want => sub {
3487 my ($ns, $want) = @_;
3488
3489 while (my ($k, $v) = each %$want) {
3490 $ns->fx_want ($k, $v);
3491 }
3492};
3493
3494sub load_resource_file($) {
3495 my $guard = lock_acquire "load_resource_file";
3496
3497 my $status = load_resource_file_ $_[0];
3498 get_slot 0.1, 100;
3499 cf::arch::commit_load;
3500
3501 $status
3502}
3503
2511sub reload_regions { 3504sub reload_regions {
3505 # HACK to clear player env face cache, we need some signal framework
3506 # for this (global event?)
3507 %ext::player_env::MUSIC_FACE_CACHE = ();
3508
2512 load_resource_file "$MAPDIR/regions" 3509 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3510 or die "unable to load regions file\n";
3511
3512 for (cf::region::list) {
3513 $_->{match} = qr/$_->{match}/
3514 if exists $_->{match};
3515 }
2514} 3516}
2515 3517
2516sub reload_facedata { 3518sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3519 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3520 or die "unable to load facedata\n";
… …
2526sub reload_treasures { 3528sub reload_treasures {
2527 load_resource_file "$DATADIR/treasures" 3529 load_resource_file "$DATADIR/treasures"
2528 or die "unable to load treasurelists\n"; 3530 or die "unable to load treasurelists\n";
2529} 3531}
2530 3532
3533sub reload_sound {
3534 trace "loading sound config from $DATADIR/sound\n";
3535
3536 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3537 or die "$DATADIR/sound $!";
3538
3539 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3540
3541 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3542 my $sound = $soundconf->{compat}[$_]
3543 or next;
3544
3545 my $face = cf::face::find "sound/$sound->[1]";
3546 cf::sound::set $sound->[0] => $face;
3547 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3548 }
3549
3550 while (my ($k, $v) = each %{$soundconf->{event}}) {
3551 my $face = cf::face::find "sound/$v";
3552 cf::sound::set $k => $face;
3553 }
3554}
3555
2531sub reload_resources { 3556sub reload_resources {
2532 warn "reloading resource files...\n"; 3557 trace "reloading resource files...\n";
2533 3558
3559 reload_exp_table;
3560 reload_materials;
3561 reload_facedata;
3562 reload_sound;
3563 reload_archetypes;
2534 reload_regions; 3564 reload_regions;
2535 reload_facedata;
2536 reload_archetypes;
2537 reload_treasures; 3565 reload_treasures;
2538 3566
2539 warn "finished reloading resource files\n"; 3567 trace "finished reloading resource files\n";
2540} 3568}
2541 3569
2542sub init { 3570sub reload_config {
2543 reload_resources; 3571 trace "reloading config file...\n";
2544}
2545 3572
2546sub cfg_load { 3573 0 < aio_load "$CONFDIR/config", my $config
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3574 or die "$CONFDIR/config: $!";
2548 or return;
2549 3575
2550 local $/; 3576 utf8::decode $config;
2551 *CFG = YAML::Syck::Load <$fh>; 3577 *CFG = yaml_load $config;
2552 3578
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3579 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554 3580
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3581 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3582 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557 3583
2558 if (exists $CFG{mlockall}) { 3584 if (exists $CFG{mlockall}) {
… …
2562 }; 3588 };
2563 warn $@ if $@; 3589 warn $@ if $@;
2564 } 3590 }
2565} 3591}
2566 3592
3593sub pidfile() {
3594 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3595 or die "$PIDFILE: $!";
3596 flock $fh, &Fcntl::LOCK_EX
3597 or die "$PIDFILE: flock: $!";
3598 $fh
3599}
3600
3601# make sure only one server instance is running at any one time
3602sub atomic {
3603 my $fh = pidfile;
3604
3605 my $pid = <$fh>;
3606 kill 9, $pid if $pid > 0;
3607
3608 seek $fh, 0, 0;
3609 print $fh $$;
3610}
3611
3612sub main_loop {
3613 trace "EV::loop starting\n";
3614 if (1) {
3615 EV::loop;
3616 }
3617 trace "EV::loop returned\n";
3618 goto &main_loop unless $REALLY_UNLOOP;
3619}
3620
2567sub main { 3621sub main {
3622 cf::init_globals; # initialise logging
3623
3624 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3625 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3626 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3627 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3628
3629 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3630
2568 # we must not ever block the main coroutine 3631 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3632 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3633 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3634 (async {
2572 Event::one_event; 3635 $Coro::current->{desc} = "IDLE BUG HANDLER";
3636 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3637 })->prio (Coro::PRIO_MAX);
2574 }; 3638 };
2575 3639
2576 cfg_load; 3640 evthread_start IO::AIO::poll_fileno;
3641
3642 cf::sync_job {
3643 cf::incloader::init ();
3644
3645 cf::init_anim;
3646 cf::init_attackmess;
3647 cf::init_dynamic;
3648
3649 cf::load_settings;
3650
3651 reload_resources;
3652 reload_config;
2577 db_init; 3653 db_init;
3654
3655 cf::init_uuid;
3656 cf::init_signals;
3657 cf::init_skills;
3658
3659 cf::init_beforeplay;
3660
3661 atomic;
3662
2578 load_extensions; 3663 load_extensions;
2579 3664
2580 $TICK_WATCHER->start; 3665 utime time, time, $RUNTIMEFILE;
2581 Event::loop; 3666
3667 # no (long-running) fork's whatsoever before this point(!)
3668 use POSIX ();
3669 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3670
3671 cf::_post_init 0;
3672 };
3673
3674 cf::object::thawer::errors_are_fatal 0;
3675 info "parse errors in files are no longer fatal from this point on.\n";
3676
3677 my $free_main; $free_main = EV::idle sub {
3678 undef $free_main;
3679 undef &main; # free gobs of memory :)
3680 };
3681
3682 goto &main_loop;
2582} 3683}
2583 3684
2584############################################################################# 3685#############################################################################
2585# initialisation and cleanup 3686# initialisation and cleanup
2586 3687
2587# install some emergency cleanup handlers 3688# install some emergency cleanup handlers
2588BEGIN { 3689BEGIN {
3690 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3691 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3692 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3693 cf::cleanup "SIG$signal";
2597 },
2598 ); 3694 };
3695 }
3696}
3697
3698sub write_runtime_sync {
3699 my $t0 = AE::time;
3700
3701 # first touch the runtime file to show we are still running:
3702 # the fsync below can take a very very long time.
3703
3704 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3705
3706 my $guard = cf::lock_acquire "write_runtime";
3707
3708 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3709 or return;
3710
3711 my $value = $cf::RUNTIME + 90 + 10;
3712 # 10 is the runtime save interval, for a monotonic clock
3713 # 60 allows for the watchdog to kill the server.
3714
3715 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3716 and return;
3717
3718 # always fsync - this file is important
3719 aio_fsync $fh
3720 and return;
3721
3722 # touch it again to show we are up-to-date
3723 aio_utime $fh, undef, undef;
3724
3725 close $fh
3726 or return;
3727
3728 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3729 and return;
3730
3731 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3732
2599 } 3733 1
3734}
3735
3736our $uuid_lock;
3737our $uuid_skip;
3738
3739sub write_uuid_sync($) {
3740 $uuid_skip ||= $_[0];
3741
3742 return if $uuid_lock;
3743 local $uuid_lock = 1;
3744
3745 my $uuid = "$LOCALDIR/uuid";
3746
3747 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3748 or return;
3749
3750 my $value = uuid_seq uuid_cur;
3751
3752 unless ($value) {
3753 info "cowardly refusing to write zero uuid value!\n";
3754 return;
3755 }
3756
3757 my $value = uuid_str $value + $uuid_skip;
3758 $uuid_skip = 0;
3759
3760 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3761 and return;
3762
3763 # always fsync - this file is important
3764 aio_fsync $fh
3765 and return;
3766
3767 close $fh
3768 or return;
3769
3770 aio_rename "$uuid~", $uuid
3771 and return;
3772
3773 trace "uuid file written ($value).\n";
3774
3775 1
3776
3777}
3778
3779sub write_uuid($$) {
3780 my ($skip, $sync) = @_;
3781
3782 $sync ? write_uuid_sync $skip
3783 : async { write_uuid_sync $skip };
2600} 3784}
2601 3785
2602sub emergency_save() { 3786sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3787 my $freeze_guard = cf::freeze_mainloop;
2604 3788
2605 warn "enter emergency perl save\n"; 3789 info "emergency_perl_save: enter\n";
3790
3791 # this is a trade-off: we want to be very quick here, so
3792 # save all maps without fsync, and later call a global sync
3793 # (which in turn might be very very slow)
3794 local $USE_FSYNC = 0;
2606 3795
2607 cf::sync_job { 3796 cf::sync_job {
3797 cf::write_runtime_sync; # external watchdog should not bark
3798
2608 # use a peculiar iteration method to avoid tripping on perl 3799 # use a peculiar iteration method to avoid tripping on perl
2609 # refcount bugs in for. also avoids problems with players 3800 # refcount bugs in for. also avoids problems with players
2610 # and maps saved/destroyed asynchronously. 3801 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3802 info "emergency_perl_save: begin player save\n";
2612 for my $login (keys %cf::PLAYER) { 3803 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3804 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3805 $pl->valid or next;
3806 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3807 $pl->save;
2616 } 3808 }
2617 warn "end emergency player save\n"; 3809 info "emergency_perl_save: end player save\n";
2618 3810
2619 warn "begin emergency map save\n"; 3811 cf::write_runtime_sync; # external watchdog should not bark
3812
3813 info "emergency_perl_save: begin map save\n";
2620 for my $path (keys %cf::MAP) { 3814 for my $path (keys %cf::MAP) {
2621 my $map = $cf::MAP{$path} or next; 3815 my $map = $cf::MAP{$path} or next;
2622 $map->valid or next; 3816 $map->valid or next;
2623 $map->save; 3817 $map->save;
2624 } 3818 }
2625 warn "end emergency map save\n"; 3819 info "emergency_perl_save: end map save\n";
2626 3820
2627 warn "begin emergency database checkpoint\n"; 3821 cf::write_runtime_sync; # external watchdog should not bark
3822
3823 info "emergency_perl_save: begin database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3824 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3825 info "emergency_perl_save: end database checkpoint\n";
3826
3827 info "emergency_perl_save: begin write uuid\n";
3828 write_uuid_sync 1;
3829 info "emergency_perl_save: end write uuid\n";
3830
3831 cf::write_runtime_sync; # external watchdog should not bark
3832
3833 trace "emergency_perl_save: syncing database to disk";
3834 BDB::db_env_txn_checkpoint $DB_ENV;
3835
3836 info "emergency_perl_save: starting sync\n";
3837 IO::AIO::aio_sync sub {
3838 info "emergency_perl_save: finished sync\n";
3839 };
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: flushing outstanding aio requests";
3844 while (IO::AIO::nreqs || BDB::nreqs) {
3845 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3846 }
3847
3848 cf::write_runtime_sync; # external watchdog should not bark
2630 }; 3849 };
2631 3850
2632 warn "leave emergency perl save\n"; 3851 info "emergency_perl_save: leave\n";
2633} 3852}
2634 3853
2635sub post_cleanup { 3854sub post_cleanup {
2636 my ($make_core) = @_; 3855 my ($make_core) = @_;
2637 3856
3857 IO::AIO::flush;
3858
2638 warn Carp::longmess "post_cleanup backtrace" 3859 error Carp::longmess "post_cleanup backtrace"
2639 if $make_core; 3860 if $make_core;
3861
3862 my $fh = pidfile;
3863 unlink $PIDFILE if <$fh> == $$;
3864}
3865
3866# a safer delete_package, copied from Symbol
3867sub clear_package($) {
3868 my $pkg = shift;
3869
3870 # expand to full symbol table name if needed
3871 unless ($pkg =~ /^main::.*::$/) {
3872 $pkg = "main$pkg" if $pkg =~ /^::/;
3873 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3874 $pkg .= '::' unless $pkg =~ /::$/;
3875 }
3876
3877 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3878 my $stem_symtab = *{$stem}{HASH};
3879
3880 defined $stem_symtab and exists $stem_symtab->{$leaf}
3881 or return;
3882
3883 # clear all symbols
3884 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3885 for my $name (keys %$leaf_symtab) {
3886 _gv_clear *{"$pkg$name"};
3887# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3888 }
2640} 3889}
2641 3890
2642sub do_reload_perl() { 3891sub do_reload_perl() {
2643 # can/must only be called in main 3892 # can/must only be called in main
2644 if ($Coro::current != $Coro::main) { 3893 unless (in_main) {
2645 warn "can only reload from main coroutine"; 3894 error "can only reload from main coroutine";
2646 return; 3895 return;
2647 } 3896 }
2648 3897
2649 warn "reloading..."; 3898 return if $RELOAD++;
2650 3899
2651 warn "entering sync_job"; 3900 my $t1 = AE::time;
2652 3901
3902 while ($RELOAD) {
3903 cf::get_slot 0.1, -1, "reload_perl";
3904 info "perl_reload: reloading...";
3905
3906 trace "perl_reload: entering sync_job";
3907
2653 cf::sync_job { 3908 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark
2655 cf::emergency_save; 3909 #cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark
2657 3910
2658 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661 # if anything goes wrong in here, we should simply crash as we already saved
2662
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667
2668 warn "flushing outstanding aio requests";
2669 for (;;) {
2670 BDB::flush;
2671 IO::AIO::flush;
2672 Coro::cede;
2673 last unless IO::AIO::nreqs || BDB::nreqs;
2674 warn "iterate...";
2675 }
2676
2677 ++$RELOAD;
2678
2679 warn "cancelling all extension coros"; 3911 trace "perl_reload: cancelling all extension coros";
2680 $_->cancel for values %EXT_CORO; 3912 $_->cancel for values %EXT_CORO;
2681 %EXT_CORO = (); 3913 %EXT_CORO = ();
2682 3914
2683 warn "removing commands"; 3915 trace "perl_reload: removing commands";
2684 %COMMAND = (); 3916 %COMMAND = ();
2685 3917
2686 warn "removing ext commands"; 3918 trace "perl_reload: removing ext/exti commands";
2687 %EXTCMD = (); 3919 %EXTCMD = ();
3920 %EXTICMD = ();
2688 3921
2689 warn "unloading/nuking all extensions"; 3922 trace "perl_reload: unloading/nuking all extensions";
2690 for my $pkg (@EXTS) { 3923 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg"; 3924 trace "... unloading $pkg";
2692 3925
2693 if (my $cb = $pkg->can ("unload")) { 3926 if (my $cb = $pkg->can ("unload")) {
2694 eval { 3927 eval {
2695 $cb->($pkg); 3928 $cb->($pkg);
2696 1 3929 1
2697 } or warn "$pkg unloaded, but with errors: $@"; 3930 } or error "$pkg unloaded, but with errors: $@";
3931 }
3932
3933 trace "... clearing $pkg";
3934 clear_package $pkg;
2698 } 3935 }
2699 3936
2700 warn "... nuking $pkg";
2701 Symbol::delete_package $pkg;
2702 }
2703
2704 warn "unloading all perl modules loaded from $LIBDIR"; 3937 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705 while (my ($k, $v) = each %INC) { 3938 while (my ($k, $v) = each %INC) {
2706 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3939 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707 3940
2708 warn "... unloading $k"; 3941 trace "... unloading $k";
2709 delete $INC{$k}; 3942 delete $INC{$k};
2710 3943
2711 $k =~ s/\.pm$//; 3944 $k =~ s/\.pm$//;
2712 $k =~ s/\//::/g; 3945 $k =~ s/\//::/g;
2713 3946
2714 if (my $cb = $k->can ("unload_module")) { 3947 if (my $cb = $k->can ("unload_module")) {
2715 $cb->(); 3948 $cb->();
3949 }
3950
3951 clear_package $k;
2716 } 3952 }
2717 3953
2718 Symbol::delete_package $k;
2719 }
2720
2721 warn "getting rid of safe::, as good as possible"; 3954 trace "perl_reload: getting rid of safe::, as good as possible";
2722 Symbol::delete_package "safe::$_" 3955 clear_package "safe::$_"
2723 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3956 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724 3957
2725 warn "unloading cf.pm \"a bit\""; 3958 trace "perl_reload: unloading cf.pm \"a bit\"";
2726 delete $INC{"cf.pm"}; 3959 delete $INC{"cf.pm"};
2727 delete $INC{"cf/pod.pm"}; 3960 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728 3961
2729 # don't, removes xs symbols, too, 3962 # don't, removes xs symbols, too,
2730 # and global variables created in xs 3963 # and global variables created in xs
2731 #Symbol::delete_package __PACKAGE__; 3964 #clear_package __PACKAGE__;
2732 3965
2733 warn "unload completed, starting to reload now"; 3966 info "perl_reload: unload completed, starting to reload now";
2734 3967
2735 warn "reloading cf.pm"; 3968 trace "perl_reload: reloading cf.pm";
2736 require cf; 3969 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3970 cf::_connect_to_perl_1;
2738 3971
2739 warn "loading config and database again"; 3972 trace "perl_reload: loading config and database again";
2740 cf::cfg_load; 3973 cf::reload_config;
2741 3974
2742 warn "loading extensions"; 3975 trace "perl_reload: loading extensions";
2743 cf::load_extensions; 3976 cf::load_extensions;
2744 3977
3978 if ($REATTACH_ON_RELOAD) {
2745 warn "reattaching attachments to objects/players"; 3979 trace "perl_reload: reattaching attachments to objects/players";
2746 _global_reattach; # objects, sockets 3980 _global_reattach; # objects, sockets
2747 warn "reattaching attachments to maps"; 3981 trace "perl_reload: reattaching attachments to maps";
2748 reattach $_ for values %MAP; 3982 reattach $_ for values %MAP;
2749 warn "reattaching attachments to players"; 3983 trace "perl_reload: reattaching attachments to players";
2750 reattach $_ for values %PLAYER; 3984 reattach $_ for values %PLAYER;
3985 }
2751 3986
2752 warn "leaving sync_job"; 3987 cf::_post_init 1;
2753 3988
3989 trace "perl_reload: leaving sync_job";
3990
2754 1 3991 1
2755 } or do { 3992 } or do {
2756 warn $@; 3993 error $@;
2757 warn "error while reloading, exiting."; 3994 cf::cleanup "perl_reload: error, exiting.";
2758 exit 1; 3995 };
3996
3997 --$RELOAD;
2759 }; 3998 }
2760 3999
2761 warn "reloaded"; 4000 $t1 = AE::time - $t1;
4001 info "perl_reload: completed in ${t1}s\n";
2762}; 4002};
2763 4003
2764our $RELOAD_WATCHER; # used only during reload 4004our $RELOAD_WATCHER; # used only during reload
2765 4005
2766sub reload_perl() { 4006sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 4007 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 4008 # coro crashes during coro_state_free->destroy here.
2769 4009
2770 $RELOAD_WATCHER ||= Event->timer ( 4010 $RELOAD_WATCHER ||= cf::async {
2771 reentrant => 0, 4011 Coro::AIO::aio_wait cache_extensions;
2772 after => 0, 4012
2773 data => WF_AUTOCANCEL, 4013 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774 cb => sub {
2775 do_reload_perl; 4014 do_reload_perl;
2776 undef $RELOAD_WATCHER; 4015 undef $RELOAD_WATCHER;
2777 }, 4016 };
2778 ); 4017 };
2779} 4018}
2780 4019
2781register_command "reload" => sub { 4020register_command "reload" => sub {
2782 my ($who, $arg) = @_; 4021 my ($who, $arg) = @_;
2783 4022
2784 if ($who->flag (FLAG_WIZ)) { 4023 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 4024 $who->message ("reloading server.");
4025 async {
4026 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 4027 reload_perl;
4028 };
2787 } 4029 }
2788}; 4030};
2789 4031
2790unshift @INC, $LIBDIR; 4032#############################################################################
2791 4033
2792my $bug_warning = 0; 4034my $bug_warning = 0;
2793 4035
2794our @WAIT_FOR_TICK; 4036our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 4037our @WAIT_FOR_TICK_BEGIN;
2796 4038
2797sub wait_for_tick { 4039sub wait_for_tick() {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 4040 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800 4041
2801 my $signal = new Coro::Signal; 4042 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 4043 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 4044 $signal->wait;
2804} 4045}
2805 4046
2806sub wait_for_tick_begin { 4047sub wait_for_tick_begin() {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 4048 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809 4049
2810 my $signal = new Coro::Signal; 4050 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 4051 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 4052 $signal->wait;
2813} 4053}
2814 4054
2815$TICK_WATCHER = Event->timer ( 4055sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 4056 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4057 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 4058 unless ++$bug_warning > 10;
2825 return; 4059 return;
2826 } 4060 }
2827 4061
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 4062 cf::server_tick; # one server iteration
2831 4063
2832 $RUNTIME += $TICK; 4064 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833 $NEXT_TICK += $TICK;
2834 4065
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4066 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 4067 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 4068 Coro::async_pool {
4069 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 4070 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 4071 or error "ERROR: unable to write runtime file: $!";
2840 };
2841 } 4072 };
4073 }
2842 4074
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4075 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 4076 $sig->send;
2854 } 4077 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 4078 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 4079 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 4080 }
2861); 4081
4082 $LOAD = ($NOW - $TICK_START) / $TICK;
4083 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4084
4085 if (0) {
4086 if ($NEXT_TICK) {
4087 my $jitter = $TICK_START - $NEXT_TICK;
4088 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4089 debug "jitter $JITTER\n";#d#
4090 }
4091 }
4092}
2862 4093
2863{ 4094{
2864 BDB::max_poll_time $TICK * 0.1; 4095 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 4096
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 4097 BDB::min_parallel 16;
2874 4098 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 4099 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 4100
2890 unless ($DB_ENV) { 4101 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 4102 $DB_ENV = BDB::db_env_create;
4103 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4104 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4105 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4106 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4107 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 4108
2893 cf::sync_job { 4109 cf::sync_job {
2894 eval { 4110 eval {
2895 BDB::db_env_open 4111 BDB::db_env_open
2896 $DB_ENV, 4112 $DB_ENV,
… …
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4114 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4115 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 4116 0666;
2901 4117
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4118 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 4119 };
2907 4120
2908 cf::cleanup "db_env_open(db): $@" if $@; 4121 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 4122 };
2910 } 4123 }
4124
4125 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4126 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4127 };
4128 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4129 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4130 };
4131 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4132 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4133 };
2911} 4134}
2912 4135
2913{ 4136{
4137 # configure IO::AIO
4138
2914 IO::AIO::min_parallel 8; 4139 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 4140 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 4141 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0, 4142}
2920 data => WF_AUTOCANCEL, 4143
2921 fd => IO::AIO::poll_fileno, 4144our $_log_backtrace;
2922 poll => 'r', 4145our $_log_backtrace_last;
2923 prio => 6, 4146
2924 cb => \&IO::AIO::poll_cb, 4147sub _log_backtrace {
2925 ); 4148 my ($msg, @addr) = @_;
4149
4150 $msg =~ s/\n$//;
4151
4152 if ($_log_backtrace_last eq $msg) {
4153 LOG llevInfo, "[ABT] $msg\n";
4154 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
4155 # limit the # of concurrent backtraces
4156 } elsif ($_log_backtrace < 2) {
4157 $_log_backtrace_last = $msg;
4158 ++$_log_backtrace;
4159 my $perl_bt = Carp::longmess $msg;
4160 async {
4161 $Coro::current->{desc} = "abt $msg";
4162
4163 my @bt = fork_call {
4164 @addr = map { sprintf "%x", $_ } @addr;
4165 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4166 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4167 or die "addr2line: $!";
4168
4169 my @funcs;
4170 my @res = <$fh>;
4171 chomp for @res;
4172 while (@res) {
4173 my ($func, $line) = splice @res, 0, 2, ();
4174 push @funcs, "[$func] $line";
4175 }
4176
4177 @funcs
4178 };
4179
4180 LOG llevInfo, "[ABT] $perl_bt\n";
4181 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4182 LOG llevInfo, "[ABT] $_\n" for @bt;
4183 --$_log_backtrace;
4184 };
4185 } else {
4186 LOG llevInfo, "[ABT] $msg\n";
4187 LOG llevInfo, "[ABT] [overload, suppressed]\n";
4188 }
2926} 4189}
2927 4190
2928# load additional modules 4191# load additional modules
2929use cf::pod; 4192require "cf/$_.pm" for @EXTRA_MODULES;
4193cf::_connect_to_perl_2;
2930 4194
2931END { cf::emergency_save } 4195END { cf::emergency_save }
2932 4196
29331 41971
2934 4198

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