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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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 warn "starting to write runtime...\n";#d# 624=cut
377 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378 or return;
379 625
380 my $value = $cf::RUNTIME + 90 + 10; 626sub post_fork {
381 # 10 is the runtime save interval, for a monotonic clock 627 reset_signals;
382 # 60 allows for the watchdog to kill the server. 628}
383 629
384 (aio_write $fh, 0, (length $value), $value, 0) <= 0 630sub fork_call(&@) {
385 and return; 631 my ($cb, @args) = @_;
386 632
387 # always fsync - this file is important 633 # we seemingly have to make a local copy of the whole thing,
388 aio_fsync $fh 634 # otherwise perl prematurely frees the stuff :/
389 and return; 635 # TODO: investigate and fix (likely this will be rather laborious)
390 636
391 close $fh 637 my @res = Coro::Util::fork_eval {
392 or return; 638 cf::post_fork;
639 &$cb
640 } @args;
393 641
394 aio_rename "$runtime~", $runtime 642 wantarray ? @res : $res[-1]
395 and return; 643}
396 644
397 warn "... done writing runtime.\n";#d# 645sub objinfo {
398
399 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"
400} 810}
401 811
402=item cf::datalog type => key => value, ... 812=item cf::datalog type => key => value, ...
403 813
404Log 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.
405 815
406=cut 816=cut
407 817
408sub datalog($@) { 818sub datalog($@) {
409 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
410 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411} 821}
412 822
413=back 823=back
414 824
415=cut 825=cut
416 826
417############################################################################# 827#############################################################################
418 828
419=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
420 830
421Many 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
422attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
423to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
424 834
425In 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>
426C<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
427crossfire+). 837Deliantra).
428 838
429=over 4 839=over 4
430 840
431=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
432 842
… …
476=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
477 887
478Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
479given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
480 890
481Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
482that 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.
483 893
484These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
485 895
486=over 4 896=over 4
… …
595 $registry = $CB_TYPE[$object_type] ||= []; 1005 $registry = $CB_TYPE[$object_type] ||= [];
596 1006
597 } elsif ($type eq "subtype") { 1007 } elsif ($type eq "subtype") {
598 defined $object_type or Carp::croak "subtype specified without type"; 1008 defined $object_type or Carp::croak "subtype specified without type";
599 my $object_subtype = shift @arg; 1009 my $object_subtype = shift @arg;
600 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1010 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601 1011
602 } elsif ($type eq "package") { 1012 } elsif ($type eq "package") {
603 my $pkg = shift @arg; 1013 my $pkg = shift @arg;
604 1014
605 while (my ($name, $id) = each %cb_id) { 1015 while (my ($name, $id) = each %cb_id) {
… …
610 1020
611 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
612 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613 1023
614 } elsif (ref $type) { 1024 } elsif (ref $type) {
615 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
616 1026
617 } else { 1027 } else {
618 shift @arg; 1028 shift @arg;
619 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
620 } 1030 }
621 } 1031 }
622} 1032}
623 1033
624sub _object_attach { 1034sub _object_attach {
… …
634 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
635 } 1045 }
636 1046
637 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
638 } else { 1048 } else {
639 warn "object uses attachment '$name' that is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
640 } 1050 }
641 1051
642 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
643} 1053}
644 1054
… …
646 if (ref $_[0]) { 1056 if (ref $_[0]) {
647 _object_attach @_; 1057 _object_attach @_;
648 } else { 1058 } else {
649 _attach shift->_attach_registry, @_; 1059 _attach shift->_attach_registry, @_;
650 } 1060 }
1061 _recalc_want;
651}; 1062};
652 1063
653# all those should be optimised 1064# all those should be optimised
654sub cf::attachable::detach { 1065sub cf::attachable::detach {
655 my ($obj, $name) = @_; 1066 my ($obj, $name) = @_;
… …
658 delete $obj->{_attachment}{$name}; 1069 delete $obj->{_attachment}{$name};
659 reattach ($obj); 1070 reattach ($obj);
660 } else { 1071 } else {
661 Carp::croak "cannot, currently, detach class attachments"; 1072 Carp::croak "cannot, currently, detach class attachments";
662 } 1073 }
1074 _recalc_want;
663}; 1075};
664 1076
665sub cf::attachable::attached { 1077sub cf::attachable::attached {
666 my ($obj, $name) = @_; 1078 my ($obj, $name) = @_;
667 1079
… …
682 "; 1094 ";
683 die if $@; 1095 die if $@;
684} 1096}
685 1097
686our $override; 1098our $override;
687our @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?
688 1100
689sub override { 1101sub override {
690 $override = 1; 1102 $override = 1;
691 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
692} 1104}
693 1105
694sub do_invoke { 1106sub do_invoke {
695 my $event = shift; 1107 my $event = shift;
696 my $callbacks = shift; 1108 my $callbacks = shift;
697 1109
698 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
699 1111
700 local $override; 1112 local $override;
701 1113
702 for (@$callbacks) { 1114 for (@$callbacks) {
703 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
704 1116
705 if ($@) { 1117 if ($@) {
706 warn "$@";
707 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708 override; 1119 override;
709 } 1120 }
710 1121
711 return 1 if $override; 1122 return 1 if $override;
712 } 1123 }
713 1124
714 0 1125 0
715} 1126}
716 1127
717=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718 1129
719=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720 1131
721Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
722 1133
723This 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
724removed 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
725results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726 1137
727=back 1138=back
728 1139
729=cut 1140=cut
730 1141
731############################################################################# 1142#############################################################################
732# 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, $ob2
1185}
733 1186
734sub reattach { 1187sub reattach {
735 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
736 my ($obj) = @_; 1189 my ($obj) = @_;
737 1190
1191 # no longer needed after getting rid of delete_package?
738 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
739 1193
740 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
741 1195
742 @$registry = (); 1196 @$registry = ();
743 1197
… …
748 for (@$attach) { 1202 for (@$attach) {
749 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
750 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
751 } 1205 }
752 } else { 1206 } else {
753 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
754 } 1208 }
755 } 1209 }
756} 1210}
757 1211
758cf::attachable->attach ( 1212cf::attachable->attach (
759 prio => -1000000, 1213 prio => -1000000,
760 on_instantiate => sub { 1214 on_instantiate => sub {
761 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
762 1216
763 $data = from_json $data; 1217 $data = decode_json $data;
764 1218
765 for (@$data) { 1219 for (@$data) {
766 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
767 1221
768 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
… …
784sub object_freezer_save { 1238sub object_freezer_save {
785 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
786 1240
787 sync_job { 1241 sync_job {
788 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
789 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
790 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
791 1247
792 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
794 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795 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 }
796 close $fh; 1255 aio_close $fh;
797 1256
798 if (@$objs) { 1257 if (@$objs) {
799 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) {
800 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
801 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
803 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 }
804 close $fh; 1266 aio_close $fh;
805 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
806 } 1268 }
807 } else { 1269 } else {
808 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
809 } 1271 }
810 1272
811 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
812 } else { 1277 } else {
813 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
814 } 1279 }
815 } else { 1280 } else {
816 aio_unlink $filename; 1281 aio_unlink $filename;
817 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
818 } 1283 }
819 } 1284 };
820} 1285}
821 1286
822sub object_freezer_as_string { 1287sub object_freezer_as_string {
823 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
824 1289
… …
836 or return; 1301 or return;
837 1302
838 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
839 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
840 or return; 1305 or return;
1306
841 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
842 } 1309 }
843 1310
1311 utf8::decode (my $decname = $filename);
844 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
845 $filename, length $data, scalar @{$av || []};#d# 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
846 return ($data, $av); 1316 ($data, $av)
847} 1317}
1318
1319=head2 COMMAND CALLBACKS
1320
1321=over 4
1322
1323=cut
848 1324
849############################################################################# 1325#############################################################################
850# command handling &c 1326# command handling &c
851 1327
852=item cf::register_command $name => \&callback($ob,$args); 1328=item cf::register_command $name => \&callback($ob,$args);
… …
865 push @{ $COMMAND{$name} }, [$caller, $cb]; 1341 push @{ $COMMAND{$name} }, [$caller, $cb];
866} 1342}
867 1343
868=item cf::register_extcmd $name => \&callback($pl,$packet); 1344=item cf::register_extcmd $name => \&callback($pl,$packet);
869 1345
870Register 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.
871 1351
872If 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
873called. 1353called.
874 1354
1355=item cf::register_exticmd $name => \&callback($ns,$packet);
1356
1357Register a callback for execution when the client sends an (asynchronous)
1358exticmd packet. Exti commands are processed by the server as soon as they
1359are received, i.e. out of order w.r.t. other commands. The first argument
1360is a client socket. Exti commands can be received anytime, even before
1361log-in.
1362
1363If the callback returns something, it is sent back as if reply was being
1364called.
1365
875=cut 1366=cut
876 1367
877sub register_extcmd { 1368sub register_extcmd {
878 my ($name, $cb) = @_; 1369 my ($name, $cb) = @_;
879 1370
880 $EXTCMD{$name} = $cb; 1371 $EXTCMD{$name} = $cb;
881} 1372}
882 1373
1374sub register_exticmd {
1375 my ($name, $cb) = @_;
1376
1377 $EXTICMD{$name} = $cb;
1378}
1379
1380use File::Glob ();
1381
883cf::player->attach ( 1382cf::player->attach (
884 on_command => sub { 1383 on_unknown_command => sub {
885 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
886 1385
887 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
888 or return; 1387 or return;
889 1388
… …
894 cf::override; 1393 cf::override;
895 }, 1394 },
896 on_extcmd => sub { 1395 on_extcmd => sub {
897 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
898 1397
899 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900 1399
901 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
902 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
903 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
904 $pl->ext_reply ($msg->{msgid}, %reply);
905 }
906 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
907 } else { 1415 } else {
908 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909 } 1417 }
910 1418
911 cf::override; 1419 cf::override;
912 }, 1420 },
913); 1421);
914 1422
1423# "readahead" all extensions
915sub load_extension { 1424sub cache_extensions {
916 my ($path) = @_; 1425 my $grp = IO::AIO::aio_group;
917 1426
918 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919 my $base = $1; 1428 for (grep /\.ext$/, @{$_[0]}) {
920 my $pkg = $1; 1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921 $pkg =~ s/[^[:word:]]/_/g;
922 $pkg = "ext::$pkg";
923
924 warn "... loading '$path' into '$pkg'\n";
925
926 open my $fh, "<:utf8", $path
927 or die "$path: $!";
928
929 my $source =
930 "package $pkg; use strict; use utf8;\n"
931 . "#line 1 \"$path\"\n{\n"
932 . (do { local $/; <$fh> })
933 . "\n};\n1";
934
935 unless (eval $source) {
936 my $msg = $@ ? "$path: $@\n"
937 : "extension disabled.\n";
938 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939 warn $@;
940 warn "mandatory extension failed to load, exiting.\n";
941 exit 1;
942 } 1430 }
943 die $@;
944 } 1431 };
945 1432
946 push @EXTS, $pkg; 1433 $grp
947} 1434}
948 1435
949sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1439 cf::sync_job {
1440 my %todo;
1441
950 for my $ext (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
951 next unless -r $ext; 1443 next unless -r $path;
952 eval { 1444
953 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 $active;
1507 }
954 1 1508 }
955 } or warn "$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 }
956 } 1519 };
957} 1520}
958 1521
959############################################################################# 1522#############################################################################
960 1523
1524=back
1525
961=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
962 1527
963Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
964 1529
965=cut 1530=cut
966 1531
967package cf::player; 1532package cf::player;
968 1533
969use Coro::AIO; 1534use Coro::AIO;
970 1535
971=head3 cf::player 1536=head3 cf::player
972 1537
973=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}
974 1553
975=item cf::player::find $login 1554=item cf::player::find $login
976 1555
977Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
978 1557
… …
997 1576
998sub exists($) { 1577sub exists($) {
999 my ($login) = @_; 1578 my ($login) = @_;
1000 1579
1001 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
1002 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1003} 1582}
1004 1583
1005sub find($) { 1584sub find($) {
1006 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1007 my $login = $_[0]; 1586 my $login = $_[0];
… …
1014 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1018 1597
1019 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1020 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;
1021 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1022 } 1607 }
1023 } 1608 }
1024} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($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);
1025 1623
1026sub save($) { 1624sub save($) {
1027 my ($pl) = @_; 1625 my ($pl) = @_;
1028 1626
1029 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
… …
1034 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1035 1633
1036 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1037 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1038 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
1039 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1040 Coro::cede; 1643 cf::cede_to_tick;
1041} 1644}
1042 1645
1043sub new($) { 1646sub new($) {
1044 my ($login) = @_; 1647 my ($login) = @_;
1045 1648
… …
1051 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1052 1655
1053 $self 1656 $self
1054} 1657}
1055 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
1056=item $pl->quit_character 1669=item $pl->quit_character
1057 1670
1058Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1059be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1060 1673
… …
1064 my ($pl) = @_; 1677 my ($pl) = @_;
1065 1678
1066 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1067 1680
1068 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1069 $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
1070 1683
1071 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1072 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1074 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1075 1692
1076 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1077 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1078 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
… …
1113 or return []; 1730 or return [];
1114 1731
1115 my @logins; 1732 my @logins;
1116 1733
1117 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") {
1118 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1120 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1121 1744
1122 utf8::decode $login; 1745 utf8::decode $login;
1123 push @logins, $login; 1746 push @logins, $login;
1124 } 1747 }
1125 1748
1126 \@logins 1749 \@logins
1127} 1750}
1128 1751
1129=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1130 1755
1131Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1132player. May block. 1757player. May block.
1133 1758
1134=cut 1759=cut
… …
1152 } 1777 }
1153 1778
1154 \@paths 1779 \@paths
1155} 1780}
1156 1781
1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1783
1784Expand deliantra pod fragments into protocol xml.
1785
1157=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1158 1787
1159Sends an ext reply to the player. 1788Sends an ext reply to the player.
1160 1789
1161=cut 1790=cut
1162 1791
1163sub ext_reply($$%) { 1792sub ext_reply($$@) {
1164 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1165 1794
1166 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1167
1168 $self->send ("ext " . cf::to_json \%msg);
1169} 1796}
1170 1797
1171=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1172 1799
1173Sends an ext event to the client. 1800Sends an ext event to the client.
1174 1801
1175=cut 1802=cut
1176 1803
1177sub ext_event($$%) { 1804sub ext_msg($$@) {
1178 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1179 1806
1180 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1181} 1808}
1182 1809
1183=head3 cf::region 1810=head3 cf::region
1184 1811
1185=over 4 1812=over 4
… …
1188 1815
1189package cf::region; 1816package cf::region;
1190 1817
1191=item cf::region::find_by_path $path 1818=item cf::region::find_by_path $path
1192 1819
1193Tries to decuce the probable region for a map knowing only its path. 1820Tries to decuce the likely region for a map knowing only its path.
1194 1821
1195=cut 1822=cut
1196 1823
1197sub find_by_path($) { 1824sub find_by_path($) {
1198 my ($path) = @_; 1825 my ($path) = @_;
1199 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1200 my ($match, $specificity); 1829 my ($match, $specificity);
1201 1830
1202 for my $region (list) { 1831 for my $region (list) {
1203 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1204 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1205 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1206 } 1835 }
1207 } 1836 }
1208 1837
… …
1229our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1230our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1231 1860
1232sub generate_random_map { 1861sub generate_random_map {
1233 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1234 # mit "rum" bekleckern, nicht 1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1235 $self->_create_random_map ( 1866 $self->_create_random_map ($rmp);
1236 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239 $rmp->{exit_on_final_map},
1240 $rmp->{xsize}, $rmp->{ysize},
1241 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1243 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1244 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1245 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1246 (cf::region::find $rmp->{region}), $rmp->{custom}
1247 )
1248} 1867}
1249 1868
1250=item cf::map->register ($regex, $prio) 1869=item cf::map->register ($regex, $prio)
1251 1870
1252Register 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
… …
1257 1876
1258sub register { 1877sub register {
1259 my (undef, $regex, $prio) = @_; 1878 my (undef, $regex, $prio) = @_;
1260 my $pkg = caller; 1879 my $pkg = caller;
1261 1880
1262 no strict;
1263 push @{"$pkg\::ISA"}, __PACKAGE__; 1881 push @{"$pkg\::ISA"}, __PACKAGE__;
1264 1882
1265 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1883 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266} 1884}
1267 1885
1268# also paths starting with '/' 1886# also paths starting with '/'
1269$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1887$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270 1888
1271sub thawer_merge { 1889sub thawer_merge {
1272 my ($self, $merge) = @_; 1890 my ($self, $merge) = @_;
1273 1891
1274 # we have to keep some variables in memory intact 1892 # we have to keep some variables in memory intact
1275 local $self->{path}; 1893 local $self->{path};
1276 local $self->{load_path}; 1894 local $self->{load_path};
1277 local $self->{deny_save};
1278 local $self->{deny_reset};
1279 1895
1280 $self->SUPER::thawer_merge ($merge); 1896 $self->SUPER::thawer_merge ($merge);
1281} 1897}
1282 1898
1283sub normalise { 1899sub normalise {
1284 my ($path, $base) = @_; 1900 my ($path, $base) = @_;
1285 1901
1286 $path = "$path"; # make sure its a string 1902 $path = "$path"; # make sure it's a string
1287 1903
1288 $path =~ s/\.map$//; 1904 $path =~ s/\.map$//;
1289 1905
1290 # map plan: 1906 # map plan:
1291 # 1907 #
… …
1306 $base =~ s{[^/]+/?$}{}; 1922 $base =~ s{[^/]+/?$}{};
1307 $path = "$base/$path"; 1923 $path = "$base/$path";
1308 } 1924 }
1309 1925
1310 for ($path) { 1926 for ($path) {
1311 redo if s{//}{/};
1312 redo if s{/\.?/}{/}; 1927 redo if s{/\.?/}{/};
1313 redo if s{/[^/]+/\.\./}{/}; 1928 redo if s{/[^/]+/\.\./}{/};
1314 } 1929 }
1315 1930
1316 $path 1931 $path
… …
1330 $self->init; # pass $1 etc. 1945 $self->init; # pass $1 etc.
1331 return $self; 1946 return $self;
1332 } 1947 }
1333 } 1948 }
1334 1949
1335 Carp::carp "unable to resolve path '$path' (base '$base')."; 1950 Carp::cluck "unable to resolve path '$path' (base '$base')";
1336 () 1951 ()
1337} 1952}
1338 1953
1339sub init { 1954sub init {
1340 my ($self) = @_; 1955 my ($self) = @_;
… …
1362 1977
1363# the temporary/swap location 1978# the temporary/swap location
1364sub save_path { 1979sub save_path {
1365 my ($self) = @_; 1980 my ($self) = @_;
1366 1981
1367 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1982 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368 "$TMPDIR/$path.map" 1983 "$TMPDIR/$path.map"
1369} 1984}
1370 1985
1371# the unique path, undef == no special unique path 1986# the unique path, undef == no special unique path
1372sub uniq_path { 1987sub uniq_path {
1373 my ($self) = @_; 1988 my ($self) = @_;
1374 1989
1375 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1990 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376 "$UNIQUEDIR/$path" 1991 "$UNIQUEDIR/$path"
1377} 1992}
1378 1993
1379# and all this just because we cannot iterate over 1994sub decay_objects {
1380# all maps in C++...
1381sub change_all_map_light {
1382 my ($change) = @_; 1995 my ($self) = @_;
1383 1996
1384 $_->change_map_light ($change) 1997 return if $self->{deny_reset};
1385 for grep $_->outdoor, values %cf::MAP; 1998
1999 $self->do_decay_objects;
1386} 2000}
1387 2001
1388sub unlink_save { 2002sub unlink_save {
1389 my ($self) = @_; 2003 my ($self) = @_;
1390 2004
… …
1395 2009
1396sub load_header_from($) { 2010sub load_header_from($) {
1397 my ($self, $path) = @_; 2011 my ($self, $path) = @_;
1398 2012
1399 utf8::encode $path; 2013 utf8::encode $path;
1400 #aio_open $path, O_RDONLY, 0 2014 my $f = new_from_file cf::object::thawer $path
1401 # or return;
1402
1403 $self->_load_header ($path)
1404 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;
1405 2022
1406 $self->{load_path} = $path; 2023 $self->{load_path} = $path;
1407 2024
1408 1 2025 1
1409} 2026}
… …
1448 $self->load_header_orig 2065 $self->load_header_orig
1449 or return; 2066 or return;
1450 $self->prepare_orig; 2067 $self->prepare_orig;
1451 } 2068 }
1452 2069
2070 $self->{deny_reset} = 1
2071 if $self->no_reset;
2072
1453 $self->default_region (cf::region::find_by_path $self->{path}) 2073 $self->default_region (cf::region::find_by_path $self->{path})
1454 unless $self->default_region; 2074 unless $self->default_region;
1455 2075
1456 1 2076 1
1457} 2077}
1458 2078
1459sub find; 2079sub find;
1460sub find { 2080sub find {
1461 my ($path, $origin) = @_; 2081 my ($path, $origin) = @_;
1462 2082
2083 cf::cede_to_tick;
2084
1463 $path = normalise $path, $origin && $origin->path; 2085 $path = normalise $path, $origin && $origin->path;
1464 2086
2087 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465 cf::lock_wait "map_find:$path"; 2088 my $guard2 = cf::lock_acquire "map_find:$path";
1466 2089
1467 $cf::MAP{$path} || do { 2090 $cf::MAP{$path} || do {
1468 my $guard = cf::lock_acquire "map_find:$path";
1469 my $map = new_from_path cf::map $path 2091 my $map = new_from_path cf::map $path
1470 or return; 2092 or return;
1471 2093
1472 $map->{last_save} = $cf::RUNTIME; 2094 $map->{last_save} = $cf::RUNTIME;
1473 2095
1474 $map->load_header 2096 $map->load_header
1475 or return; 2097 or return;
1476 2098
1477 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2099 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478 # doing this can freeze the server in a sync job, obviously 2100 # doing this can freeze the server in a sync job, obviously
1479 #$cf::WAIT_FOR_TICK->wait; 2101 #$cf::WAIT_FOR_TICK->wait;
2102 undef $guard2;
2103 undef $guard1;
1480 $map->reset; 2104 $map->reset;
1481 undef $guard;
1482 return find $path; 2105 return find $path;
1483 } 2106 }
1484 2107
1485 $cf::MAP{$path} = $map 2108 $cf::MAP{$path} = $map
1486 } 2109 }
1487} 2110}
1488 2111
1489sub pre_load { } 2112sub pre_load { }
1490sub post_load { } 2113#sub post_load { } # XS
1491 2114
1492sub load { 2115sub load {
1493 my ($self) = @_; 2116 my ($self) = @_;
1494 2117
1495 local $self->{deny_reset} = 1; # loading can take a long time 2118 local $self->{deny_reset} = 1; # loading can take a long time
1496 2119
1497 my $path = $self->{path}; 2120 my $path = $self->{path};
1498 2121
1499 { 2122 {
1500 my $guard = cf::lock_acquire "map_load:$path"; 2123 my $guard = cf::lock_acquire "map_data:$path";
1501 2124
2125 return unless $self->valid;
1502 return if $self->in_memory != cf::MAP_SWAPPED; 2126 return unless $self->in_memory == cf::MAP_SWAPPED;
1503 2127
1504 $self->in_memory (cf::MAP_LOADING); 2128 $self->in_memory (cf::MAP_LOADING);
1505 2129
1506 $self->alloc; 2130 $self->alloc;
1507 2131
1508 $self->pre_load; 2132 $self->pre_load;
1509 Coro::cede; 2133 cf::cede_to_tick;
1510 2134
2135 my $f = new_from_file cf::object::thawer $self->{load_path};
2136 $f->skip_block;
1511 $self->_load_objects ($self->{load_path}, 1) 2137 $self->_load_objects ($f)
1512 or return; 2138 or return;
1513 2139
1514 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2140 $self->post_load_original
1515 if delete $self->{load_original}; 2141 if delete $self->{load_original};
1516 2142
1517 if (my $uniq = $self->uniq_path) { 2143 if (my $uniq = $self->uniq_path) {
1518 utf8::encode $uniq; 2144 utf8::encode $uniq;
1519 if (aio_open $uniq, O_RDONLY, 0) { 2145 unless (aio_stat $uniq) {
2146 if (my $f = new_from_file cf::object::thawer $uniq) {
1520 $self->clear_unique_items; 2147 $self->clear_unique_items;
1521 $self->_load_objects ($uniq, 0); 2148 $self->_load_objects ($f);
2149 $f->resolve_delayed_derefs;
2150 }
1522 } 2151 }
1523 } 2152 }
1524 2153
1525 Coro::cede; 2154 $f->resolve_delayed_derefs;
2155
2156 cf::cede_to_tick;
1526 # now do the right thing for maps 2157 # now do the right thing for maps
1527 $self->link_multipart_objects; 2158 $self->link_multipart_objects;
1528 $self->difficulty ($self->estimate_difficulty) 2159 $self->difficulty ($self->estimate_difficulty)
1529 unless $self->difficulty; 2160 unless $self->difficulty;
1530 Coro::cede; 2161 cf::cede_to_tick;
1531 2162
1532 unless ($self->{deny_activate}) { 2163 unless ($self->{deny_activate}) {
1533 $self->decay_objects; 2164 $self->decay_objects;
1534 $self->fix_auto_apply; 2165 $self->fix_auto_apply;
1535 $self->update_buttons; 2166 $self->update_buttons;
1536 Coro::cede; 2167 cf::cede_to_tick;
1537 $self->set_darkness_map;
1538 Coro::cede;
1539 $self->activate; 2168 $self->activate;
1540 } 2169 }
1541 2170
2171 $self->{last_save} = $cf::RUNTIME;
2172 $self->last_access ($cf::RUNTIME);
2173
1542 $self->in_memory (cf::MAP_IN_MEMORY); 2174 $self->in_memory (cf::MAP_ACTIVE);
1543 } 2175 }
1544 2176
1545 $self->post_load; 2177 $self->post_load;
1546}
1547 2178
2179 1
2180}
2181
2182# customize the map for a given player, i.e.
2183# return the _real_ map. used by e.g. per-player
2184# maps to change the path to ~playername/mappath
1548sub customise_for { 2185sub customise_for {
1549 my ($self, $ob) = @_; 2186 my ($self, $ob) = @_;
1550 2187
1551 return find "~" . $ob->name . "/" . $self->{path} 2188 return find "~" . $ob->name . "/" . $self->{path}
1552 if $self->per_player; 2189 if $self->per_player;
1553 2190
2191# return find "?party/" . $ob->name . "/" . $self->{path}
2192# if $self->per_party;
2193
1554 $self 2194 $self
1555} 2195}
1556 2196
1557# find and load all maps in the 3x3 area around a map 2197# find and load all maps in the 3x3 area around a map
1558sub load_diag { 2198sub load_neighbours {
1559 my ($map) = @_; 2199 my ($map) = @_;
1560 2200
1561 my @diag; # diagonal neighbours 2201 my @neigh; # diagonal neighbours
1562 2202
1563 for (0 .. 3) { 2203 for (0 .. 3) {
1564 my $neigh = $map->tile_path ($_) 2204 my $neigh = $map->tile_path ($_)
1565 or next; 2205 or next;
1566 $neigh = find $neigh, $map 2206 $neigh = find $neigh, $map
1567 or next; 2207 or next;
1568 $neigh->load; 2208 $neigh->load;
1569 2209
2210 # now find the diagonal neighbours
2211 push @neigh,
1570 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2212 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2213 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1572 } 2214 }
1573 2215
1574 for (@diag) { 2216 for (grep defined $_->[0], @neigh) {
2217 my ($path, $origin) = @$_;
1575 my $neigh = find @$_ 2218 my $neigh = find $path, $origin
1576 or next; 2219 or next;
1577 $neigh->load; 2220 $neigh->load;
1578 } 2221 }
1579} 2222}
1580 2223
1581sub find_sync { 2224sub find_sync {
1582 my ($path, $origin) = @_; 2225 my ($path, $origin) = @_;
1583 2226
1584 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, $origin
1585} 2231}
1586 2232
1587sub do_load_sync { 2233sub do_load_sync {
1588 my ($map) = @_; 2234 my ($map) = @_;
1589 2235
1590 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;
1591} 2240}
1592 2241
1593our %MAP_PREFETCH; 2242our %MAP_PREFETCH;
1594our $MAP_PREFETCHER = undef; 2243our $MAP_PREFETCHER = undef;
1595 2244
1596sub find_async { 2245sub find_async {
1597 my ($path, $origin) = @_; 2246 my ($path, $origin, $load) = @_;
1598 2247
1599 $path = normalise $path, $origin && $origin->{path}; 2248 $path = normalise $path, $origin && $origin->{path};
1600 2249
1601 if (my $map = $cf::MAP{$path}) { 2250 if (my $map = $cf::MAP{$path}) {
1602 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2251 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1603 } 2252 }
1604 2253
1605 undef $MAP_PREFETCH{$path}; 2254 $MAP_PREFETCH{$path} |= $load;
2255
1606 $MAP_PREFETCHER ||= cf::async { 2256 $MAP_PREFETCHER ||= cf::async {
2257 $Coro::current->{desc} = "map prefetcher";
2258
1607 while (%MAP_PREFETCH) { 2259 while (%MAP_PREFETCH) {
1608 for my $path (keys %MAP_PREFETCH) { 2260 while (my ($k, $v) = each %MAP_PREFETCH) {
1609 my $map = find $path 2261 if (my $map = find $k) {
1610 or next;
1611 $map->load; 2262 $map->load if $v;
2263 }
1612 2264
1613 delete $MAP_PREFETCH{$path}; 2265 delete $MAP_PREFETCH{$k};
1614 } 2266 }
1615 } 2267 }
1616 undef $MAP_PREFETCHER; 2268 undef $MAP_PREFETCHER;
1617 }; 2269 };
1618 $MAP_PREFETCHER->prio (6); 2270 $MAP_PREFETCHER->prio (6);
1619 2271
1620 () 2272 ()
1621} 2273}
1622 2274
2275# common code, used by both ->save and ->swapout
1623sub save { 2276sub _save {
1624 my ($self) = @_; 2277 my ($self) = @_;
1625
1626 my $lock = cf::lock_acquire "map_data:" . $self->path;
1627 2278
1628 $self->{last_save} = $cf::RUNTIME; 2279 $self->{last_save} = $cf::RUNTIME;
1629 2280
1630 return unless $self->dirty; 2281 return unless $self->dirty;
1631 2282
… …
1637 return if $self->{deny_save}; 2288 return if $self->{deny_save};
1638 2289
1639 local $self->{last_access} = $self->last_access;#d# 2290 local $self->{last_access} = $self->last_access;#d#
1640 2291
1641 cf::async { 2292 cf::async {
2293 $Coro::current->{desc} = "map player save";
1642 $_->contr->save for $self->players; 2294 $_->contr->save for $self->players;
1643 }; 2295 };
2296
2297 cf::get_slot 0.02;
1644 2298
1645 if ($uniq) { 2299 if ($uniq) {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2300 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2301 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1648 } else { 2302 } else {
1649 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2303 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650 } 2304 }
1651} 2305}
1652 2306
2307sub save {
2308 my ($self) = @_;
2309
2310 my $lock = cf::lock_acquire "map_data:$self->{path}";
2311
2312 $self->_save;
2313}
2314
1653sub swap_out { 2315sub swap_out {
1654 my ($self) = @_; 2316 my ($self) = @_;
1655 2317
1656 # save first because save cedes
1657 $self->save;
1658
1659 my $lock = cf::lock_acquire "map_data:" . $self->path; 2318 my $lock = cf::lock_acquire "map_data:$self->{path}";
1660 2319
2320 return if $self->in_memory != cf::MAP_ACTIVE;
2321 return if $self->{deny_save};
1661 return if $self->players; 2322 return if $self->players;
1662 return if $self->in_memory != cf::MAP_IN_MEMORY;
1663 return if $self->{deny_save};
1664 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
1665 $self->clear; 2333 $self->clear;
1666 $self->in_memory (cf::MAP_SWAPPED);
1667} 2334}
1668 2335
1669sub reset_at { 2336sub reset_at {
1670 my ($self) = @_; 2337 my ($self) = @_;
1671 2338
1672 # TODO: safety, remove and allow resettable per-player maps 2339 # TODO: safety, remove and allow resettable per-player maps
1673 return 1e99 if $self->isa ("ext::map_per_player");#d#
1674 return 1e99 if $self->{deny_reset}; 2340 return 1e99 if $self->{deny_reset};
1675 2341
1676 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2342 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2343 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678 2344
… …
1689 my ($self) = @_; 2355 my ($self) = @_;
1690 2356
1691 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2357 my $lock = cf::lock_acquire "map_data:$self->{path}";
1692 2358
1693 return if $self->players; 2359 return if $self->players;
1694 return if $self->isa ("ext::map_per_player");#d#
1695 2360
1696 warn "resetting map ", $self->path;#d# 2361 cf::trace "resetting map ", $self->path, "\n";
1697 2362
1698 $self->in_memory (cf::MAP_SWAPPED); 2363 $self->in_memory (cf::MAP_SWAPPED);
1699 2364
1700 # need to save uniques path 2365 # need to save uniques path
1701 unless ($self->{deny_save}) { 2366 unless ($self->{deny_save}) {
… …
1705 if $uniq; 2370 if $uniq;
1706 } 2371 }
1707 2372
1708 delete $cf::MAP{$self->path}; 2373 delete $cf::MAP{$self->path};
1709 2374
2375 $self->deactivate;
2376 $_->clear_links_to ($self) for values %cf::MAP;
1710 $self->clear; 2377 $self->clear;
1711
1712 $_->clear_links_to ($self) for values %cf::MAP;
1713 2378
1714 $self->unlink_save; 2379 $self->unlink_save;
1715 $self->destroy; 2380 $self->destroy;
1716} 2381}
1717 2382
1718my $nuke_counter = "aaaa"; 2383my $nuke_counter = "aaaa";
1719 2384
1720sub nuke { 2385sub nuke {
1721 my ($self) = @_; 2386 my ($self) = @_;
1722 2387
2388 {
2389 my $lock = cf::lock_acquire "map_data:$self->{path}";
2390
1723 delete $cf::MAP{$self->path}; 2391 delete $cf::MAP{$self->path};
1724 2392
1725 $self->unlink_save; 2393 $self->unlink_save;
1726 2394
1727 bless $self, "cf::map"; 2395 bless $self, "cf::map::wrap";
1728 delete $self->{deny_reset}; 2396 delete $self->{deny_reset};
1729 $self->{deny_save} = 1; 2397 $self->{deny_save} = 1;
1730 $self->reset_timeout (1); 2398 $self->reset_timeout (1);
1731 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2399 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732 2400
1733 $cf::MAP{$self->path} = $self; 2401 $cf::MAP{$self->path} = $self;
2402 }
1734 2403
1735 $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 ]
1736} 2441}
1737 2442
1738=item cf::map::unique_maps 2443=item cf::map::unique_maps
1739 2444
1740Returns an arrayref of paths of all shared maps that have 2445Returns an arrayref of paths of all shared maps that have
1741instantiated unique items. May block. 2446instantiated unique items. May block.
1742 2447
1743=cut 2448=cut
1744 2449
1745sub unique_maps() { 2450sub unique_maps() {
1746 my $files = aio_readdir $UNIQUEDIR 2451 [
1747 or return; 2452 map {
1748
1749 my @paths;
1750
1751 for (@$files) {
1752 utf8::decode $_; 2453 utf8::decode $_;
1753 next if /\.pst$/; 2454 s/\.map$//; # TODO future compatibility hack
1754 next unless /^$PATH_SEP/o; 2455 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755 2456 ? ()
1756 push @paths, cf::map::normalise $_; 2457 : normalise $_
2458 } @{ aio_readdir $UNIQUEDIR or [] }
1757 } 2459 ]
1758
1759 \@paths
1760} 2460}
1761 2461
1762package 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}
1763 2493
1764=back 2494=back
1765 2495
1766=head3 cf::object 2496=head3 cf::object
1767 2497
… …
1771 2501
1772=over 4 2502=over 4
1773 2503
1774=item $ob->inv_recursive 2504=item $ob->inv_recursive
1775 2505
1776Returns 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.
1777 2508
1778=cut 2509=cut
1779 2510
1780sub inv_recursive_; 2511sub inv_recursive_;
1781sub inv_recursive_ { 2512sub inv_recursive_ {
… …
1784 2515
1785sub inv_recursive { 2516sub inv_recursive {
1786 inv_recursive_ inv $_[0] 2517 inv_recursive_ inv $_[0]
1787} 2518}
1788 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
1789package cf; 2548package cf;
1790 2549
1791=back 2550=back
1792 2551
1793=head3 cf::object::player 2552=head3 cf::object::player
… …
1799Sends 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>
1800can 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
1801dialogue with the given NPC character. 2560dialogue with the given NPC character.
1802 2561
1803=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};
1804 2577
1805# rough implementation of a future "reply" method that works 2578# rough implementation of a future "reply" method that works
1806# with dialog boxes. 2579# with dialog boxes.
1807#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
1808sub cf::object::player::reply($$$;$) { 2581sub cf::object::player::reply($$$;$) {
… …
1810 2583
1811 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2584 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812 2585
1813 if ($self->{record_replies}) { 2586 if ($self->{record_replies}) {
1814 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2587 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2588
1815 } 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 {
1816 $msg = $npc->name . " says: $msg" if $npc; 2597 $msg = $npc->name . " says: $msg" if $npc;
1817 $self->message ($msg, $flags); 2598 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2599 }
1818 } 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 (@_);
1819} 2611}
1820 2612
1821=item $player_object->may ("access") 2613=item $player_object->may ("access")
1822 2614
1823Returns wether the given player is authorized to access resource "access" 2615Returns wether the given player is authorized to access resource "access"
… …
1836 2628
1837=item $player_object->enter_link 2629=item $player_object->enter_link
1838 2630
1839Freezes 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}>).
1840 2632
1841The 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.
1842I<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.
1843 2637
1844Will never block. 2638Will never block.
1845 2639
1846=item $player_object->leave_link ($map, $x, $y) 2640=item $player_object->leave_link ($map, $x, $y)
1847 2641
… …
1867sub cf::object::player::enter_link { 2661sub cf::object::player::enter_link {
1868 my ($self) = @_; 2662 my ($self) = @_;
1869 2663
1870 $self->deactivate_recursive; 2664 $self->deactivate_recursive;
1871 2665
2666 ++$self->{_link_recursion};
2667
1872 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2668 return if UNIVERSAL::isa $self->map, "ext::map_link";
1873 2669
1874 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2670 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875 if $self->map; 2671 if $self->map && $self->map->{path} ne "{link}";
1876 2672
1877 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2673 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1878} 2674}
1879 2675
1880sub cf::object::player::leave_link { 2676sub cf::object::player::leave_link {
1881 my ($self, $map, $x, $y) = @_; 2677 my ($self, $map, $x, $y) = @_;
2678
2679 return unless $self->contr->active;
1882 2680
1883 my $link_pos = delete $self->{_link_pos}; 2681 my $link_pos = delete $self->{_link_pos};
1884 2682
1885 unless ($map) { 2683 unless ($map) {
1886 # restore original map position 2684 # restore original map position
… …
1897 ($x, $y) = (-1, -1) 2695 ($x, $y) = (-1, -1)
1898 unless (defined $x) && (defined $y); 2696 unless (defined $x) && (defined $y);
1899 2697
1900 # use -1 or undef as default coordinates, not 0, 0 2698 # use -1 or undef as default coordinates, not 0, 0
1901 ($x, $y) = ($map->enter_x, $map->enter_y) 2699 ($x, $y) = ($map->enter_x, $map->enter_y)
1902 if $x <=0 && $y <= 0; 2700 if $x <= 0 && $y <= 0;
1903 2701
1904 $map->load; 2702 $map->load;
1905 $map->load_diag; 2703 $map->load_neighbours;
1906 2704
1907 return unless $self->contr->active; 2705 return unless $self->contr->active;
1908 $self->activate_recursive;
1909 2706
1910 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2707 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911 $self->enter_map ($map, $x, $y); 2708 if ($self->enter_map ($map, $x, $y)) {
1912} 2709 # entering was successful
1913 2710 delete $self->{_link_recursion};
1914cf::player->attach ( 2711 # only activate afterwards, to support waiting in hooks
1915 on_logout => sub { 2712 $self->activate_recursive;
1916 my ($pl) = @_;
1917
1918 # abort map switching before logout
1919 if ($pl->ob->{_link_pos}) {
1920 cf::sync_job {
1921 $pl->ob->leave_link
1922 };
1923 }
1924 }, 2713 }
1925 on_login => sub {
1926 my ($pl) = @_;
1927 2714
1928 # try to abort aborted map switching on player login :) 2715}
1929 # should happen only on crashes
1930 if ($pl->ob->{_link_pos}) {
1931 $pl->ob->enter_link;
1932 (async {
1933 $pl->ob->reply (undef,
1934 "There was an internal problem at your last logout, "
1935 . "the server will try to bring you to your intended destination in a second.",
1936 cf::NDI_RED);
1937 # we need this sleep as the login has a concurrent enter_exit running
1938 # and this sleep increases chances of the player not ending up in scorn
1939 Coro::Timer::sleep 1;
1940 $pl->ob->leave_link;
1941 })->prio (2);
1942 }
1943 },
1944);
1945 2716
1946=item $player_object->goto ($path, $x, $y) 2717=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947 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
1948=cut 2728=cut
2729
2730our $GOTOGEN;
1949 2731
1950sub cf::object::player::goto { 2732sub cf::object::player::goto {
1951 my ($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;
1952 2743
1953 $self->enter_link; 2744 $self->enter_link;
1954 2745
1955 (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
1956 my $map = eval { 2768 my $map = eval {
1957 my $map = cf::map::find $path; 2769 my $map = defined $path ? cf::map::find $path : undef;
2770
2771 if ($map) {
1958 $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
1959 $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 $@;
1960 } or 2784 }
1961 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962 2785
2786 if ($gen == $self->{_goto_generation}) {
2787 delete $self->{_goto_generation};
1963 $self->leave_link ($map, $x, $y); 2788 $self->leave_link ($map, $x, $y);
2789 }
2790
2791 $done->($self) if $done;
1964 })->prio (1); 2792 })->prio (1);
1965} 2793}
1966 2794
1967=item $player_object->enter_exit ($exit_object) 2795=item $player_object->enter_exit ($exit_object)
1968 2796
… …
1988} 2816}
1989 2817
1990sub prepare_random_map { 2818sub prepare_random_map {
1991 my ($exit) = @_; 2819 my ($exit) = @_;
1992 2820
1993 my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995 # all this does is basically replace the /! path by 2821 # all this does is basically replace the /! path by
1996 # a new random map path (?random/...) with a seed 2822 # a new random map path (?random/...) with a seed
1997 # that depends on the exit object 2823 # that depends on the exit object
1998 2824
1999 my $rmp = parse_random_map_params $exit->msg; 2825 my $rmp = parse_random_map_params $exit->msg;
… …
2001 if ($exit->map) { 2827 if ($exit->map) {
2002 $rmp->{region} = $exit->region->name; 2828 $rmp->{region} = $exit->region->name;
2003 $rmp->{origin_map} = $exit->map->path; 2829 $rmp->{origin_map} = $exit->map->path;
2004 $rmp->{origin_x} = $exit->x; 2830 $rmp->{origin_x} = $exit->x;
2005 $rmp->{origin_y} = $exit->y; 2831 $rmp->{origin_y} = $exit->y;
2832
2833 $exit->map->touch;
2006 } 2834 }
2007 2835
2008 $rmp->{random_seed} ||= $exit->random_seed; 2836 $rmp->{random_seed} ||= $exit->random_seed;
2009 2837
2010 my $data = cf::to_json $rmp; 2838 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011 my $md5 = Digest::MD5::md5_hex $data; 2839 my $md5 = Digest::MD5::md5_hex $data;
2012 my $meta = "$RANDOMDIR/$md5.meta"; 2840 my $meta = "$RANDOMDIR/$md5.meta";
2013 2841
2014 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2842 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015 aio_write $fh, 0, (length $data), $data, 0; 2843 aio_write $fh, 0, (length $data), $data, 0;
2016 undef $fh; 2844 undef $fh;
2017 aio_rename "$meta~", $meta; 2845 aio_rename "$meta~", $meta;
2018 2846
2847 my $slaying = "?random/$md5";
2848
2849 if ($exit->valid) {
2019 $exit->slaying ("?random/$md5"); 2850 $exit->slaying ("?random/$md5");
2020 $exit->msg (undef); 2851 $exit->msg (undef);
2852 }
2021 } 2853 }
2022} 2854}
2023 2855
2024sub cf::object::player::enter_exit { 2856sub cf::object::player::enter_exit {
2025 my ($self, $exit) = @_; 2857 my ($self, $exit) = @_;
2026 2858
2027 return unless $self->type == cf::PLAYER; 2859 return unless $self->type == cf::PLAYER;
2028 2860
2029 if ($exit->slaying eq "/!") {
2030 #TODO: this should de-fi-ni-te-ly not be a sync-job
2031 # the problem is that $exit might not survive long enough
2032 # so it needs to be done right now, right here
2033 cf::sync_job { prepare_random_map $exit };
2034 }
2035
2036 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037 my $hp = $exit->stats->hp;
2038 my $sp = $exit->stats->sp;
2039
2040 $self->enter_link; 2861 $self->enter_link;
2041 2862
2042 (async { 2863 (async {
2043 $self->deactivate_recursive; # just to be sure 2864 $Coro::current->{desc} = "enter_exit";
2865
2044 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
2045 $self->goto ($slaying, $hp, $sp); 2881 $self->goto ($map, $x, $y);
2046 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
2047 1; 2887 1
2048 }) { 2888 }) {
2049 $self->message ("Something went wrong deep within the crossfire server. " 2889 $self->message ("Something went wrong deep within the deliantra server. "
2050 . "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. "
2051 . "Please report this to the dungeon master!", 2891 . "Please report this to the dungeon master!",
2052 cf::NDI_UNIQUE | cf::NDI_RED); 2892 cf::NDI_UNIQUE | cf::NDI_RED);
2053 2893
2054 warn "ERROR in enter_exit: $@"; 2894 error "ERROR in enter_exit: $@";
2055 $self->leave_link; 2895 $self->leave_link;
2056 } 2896 }
2057 })->prio (1); 2897 })->prio (1);
2058} 2898}
2059 2899
… …
2073 2913
2074 utf8::encode $text; 2914 utf8::encode $text;
2075 $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);
2076} 2916}
2077 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
2078=item $client->ext_event ($type, %msg) 3105=item $client->ext_msg ($type, @msg)
2079 3106
2080Sends an exti event to the client. 3107Sends an ext event to the client.
2081 3108
2082=cut 3109=cut
2083 3110
2084sub cf::client::ext_event($$%) { 3111sub cf::client::ext_msg($$@) {
2085 my ($self, $type, %msg) = @_; 3112 my ($self, $type, @msg) = @_;
2086 3113
3114 if ($self->extcmd == 2) {
3115 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3116 } elsif ($self->extcmd == 1) { # TODO: remove
2087 $msg{msgtype} = "event_$type"; 3117 push @msg, msgtype => "event_$type";
2088 $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 }
2089} 3138}
2090 3139
2091=item $success = $client->query ($flags, "text", \&cb) 3140=item $success = $client->query ($flags, "text", \&cb)
2092 3141
2093Queues a query to the client, calling the given callback with 3142Queues a query to the client, calling the given callback with
2094the 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>,
2095C<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>.
2096 3145
2097Queries 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
2098reliable at some point in the future. 3147become reliable at some point in the future.
2099 3148
2100=cut 3149=cut
2101 3150
2102sub cf::client::query { 3151sub cf::client::query {
2103 my ($self, $flags, $text, $cb) = @_; 3152 my ($self, $flags, $text, $cb) = @_;
… …
2111 utf8::encode $text; 3160 utf8::encode $text;
2112 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3161 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113 3162
2114 $self->send_packet ($self->{query_queue}[0][0]) 3163 $self->send_packet ($self->{query_queue}[0][0])
2115 if @{ $self->{query_queue} } == 1; 3164 if @{ $self->{query_queue} } == 1;
3165
3166 1
2116} 3167}
2117 3168
2118cf::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 },
2119 on_reply => sub { 3175 on_reply => sub {
2120 my ($ns, $msg) = @_; 3176 my ($ns, $msg) = @_;
2121 3177
2122 # this weird shuffling is so that direct followup queries 3178 # this weird shuffling is so that direct followup queries
2123 # get handled first 3179 # get handled first
… …
2135 } else { 3191 } else {
2136 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3192 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137 } 3193 }
2138 } 3194 }
2139 }, 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 },
2140); 3222);
2141 3223
2142=item $client->async (\&cb) 3224=item $client->async (\&cb)
2143 3225
2144Create a new coroutine, running the specified callback. The coroutine will 3226Create a new coroutine, running the specified callback. The coroutine will
… …
2160 3242
2161 $coro 3243 $coro
2162} 3244}
2163 3245
2164cf::client->attach ( 3246cf::client->attach (
2165 on_destroy => sub { 3247 on_client_destroy => sub {
2166 my ($ns) = @_; 3248 my ($ns) = @_;
2167 3249
2168 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3250 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169 }, 3251 },
2170); 3252);
… …
2185our $safe = new Safe "safe"; 3267our $safe = new Safe "safe";
2186our $safe_hole = new Safe::Hole; 3268our $safe_hole = new Safe::Hole;
2187 3269
2188$SIG{FPE} = 'IGNORE'; 3270$SIG{FPE} = 'IGNORE';
2189 3271
2190$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));
2191 3277
2192# here we export the classes and methods available to script code 3278# here we export the classes and methods available to script code
2193 3279
2194=pod 3280=pod
2195 3281
2196The following functions and methods are available within a safe environment: 3282The following functions and methods are available within a safe environment:
2197 3283
2198 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
2199 cf::object::player player 3289 cf::object::player
2200 cf::player peaceful 3290 player
2201 cf::map trigger 3291
3292 cf::player
3293 peaceful
3294
3295 cf::map
3296 trigger
2202 3297
2203=cut 3298=cut
2204 3299
2205for ( 3300for (
2206 ["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)],
2207 ["cf::object::player" => qw(player)], 3304 ["cf::object::player" => qw(player)],
2208 ["cf::player" => qw(peaceful)], 3305 ["cf::player" => qw(peaceful send_msg)],
2209 ["cf::map" => qw(trigger)], 3306 ["cf::map" => qw(trigger)],
2210) { 3307) {
2211 no strict 'refs';
2212 my ($pkg, @funs) = @$_; 3308 my ($pkg, @funs) = @$_;
2213 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3309 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214 for @funs; 3310 for @funs;
2215} 3311}
2216 3312
… …
2231 3327
2232 my $qcode = $code; 3328 my $qcode = $code;
2233 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3329 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2234 $qcode =~ s/\n/\\n/g; 3330 $qcode =~ s/\n/\\n/g;
2235 3331
3332 %vars = (_dummy => 0) unless %vars;
3333
3334 my @res;
2236 local $_; 3335 local $_;
2237 local @safe::cf::_safe_eval_args = values %vars;
2238 3336
2239 my $eval = 3337 my $eval =
2240 "do {\n" 3338 "do {\n"
2241 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3339 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242 . "#line 0 \"{$qcode}\"\n" 3340 . "#line 0 \"{$qcode}\"\n"
2243 . $code 3341 . $code
2244 . "\n}" 3342 . "\n}"
2245 ; 3343 ;
2246 3344
3345 if ($CFG{safe_eval}) {
2247 sub_generation_inc; 3346 sub_generation_inc;
3347 local @safe::cf::_safe_eval_args = values %vars;
2248 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3348 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249 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 }
2250 3354
2251 if ($@) { 3355 if ($@) {
2252 warn "$@"; 3356 warn "$@",
2253 warn "while executing safe code '$code'\n"; 3357 "while executing safe code '$code'\n",
2254 warn "with arguments " . (join " ", %vars) . "\n"; 3358 "with arguments " . (join " ", %vars) . "\n";
2255 } 3359 }
2256 3360
2257 wantarray ? @res : $res[0] 3361 wantarray ? @res : $res[0]
2258} 3362}
2259 3363
… …
2273=cut 3377=cut
2274 3378
2275sub register_script_function { 3379sub register_script_function {
2276 my ($fun, $cb) = @_; 3380 my ($fun, $cb) = @_;
2277 3381
2278 no strict 'refs'; 3382 $fun = "safe::$fun" if $CFG{safe_eval};
2279 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3383 *$fun = $safe_hole->wrap ($cb);
2280} 3384}
2281 3385
2282=back 3386=back
2283 3387
2284=cut 3388=cut
2285
2286#############################################################################
2287
2288=head2 EXTENSION DATABASE SUPPORT
2289
2290Crossfire maintains a very simple database for extension use. It can
2291currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292convert to/from binary).
2293
2294The parameter C<$family> should best start with the name of the extension
2295using it, it should be unique.
2296
2297=over 4
2298
2299=item $value = cf::db_get $family => $key
2300
2301Returns a single value from the database.
2302
2303=item cf::db_put $family => $key => $value
2304
2305Stores the given C<$value> in the family.
2306
2307=cut
2308
2309our $DB;
2310
2311sub db_init {
2312 unless ($DB) {
2313 $DB = BDB::db_create $DB_ENV;
2314
2315 cf::sync_job {
2316 eval {
2317 $DB->set_flags (BDB::CHKSUM);
2318
2319 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321 cf::cleanup "db_open(db): $!" if $!;
2322 };
2323 cf::cleanup "db_open(db): $@" if $@;
2324 };
2325 }
2326}
2327
2328sub db_get($$) {
2329 my $key = "$_[0]/$_[1]";
2330
2331 cf::sync_job {
2332 BDB::db_get $DB, undef, $key, my $data;
2333
2334 $! ? ()
2335 : $data
2336 }
2337}
2338
2339sub db_put($$$) {
2340 BDB::dbreq_pri 4;
2341 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342}
2343
2344=item cf::cache $id => [$paths...], $processversion => $process
2345
2346Generic caching function that returns the value of the resource $id,
2347caching and regenerating as required.
2348
2349This function can block.
2350
2351=cut
2352
2353sub cache {
2354 my ($id, $src, $processversion, $process) = @_;
2355
2356 my $meta =
2357 join "\x00",
2358 $processversion,
2359 map {
2360 aio_stat $_
2361 and Carp::croak "$_: $!";
2362
2363 ($_, (stat _)[7,9])
2364 } @$src;
2365
2366 my $dbmeta = db_get cache => "$id/meta";
2367 if ($dbmeta ne $meta) {
2368 # changed, we may need to process
2369
2370 my @data;
2371 my $md5;
2372
2373 for (0 .. $#$src) {
2374 0 <= aio_load $src->[$_], $data[$_]
2375 or Carp::croak "$src->[$_]: $!";
2376 }
2377
2378 # if processing is expensive, check
2379 # checksum first
2380 if (1) {
2381 $md5 =
2382 join "\x00",
2383 $processversion,
2384 map {
2385 Coro::cede;
2386 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2387 } 0.. $#$src;
2388
2389
2390 my $dbmd5 = db_get cache => "$id/md5";
2391 if ($dbmd5 eq $md5) {
2392 db_put cache => "$id/meta", $meta;
2393
2394 return db_get cache => "$id/data";
2395 }
2396 }
2397
2398 my $t1 = Time::HiRes::time;
2399 my $data = $process->(\@data);
2400 my $t2 = Time::HiRes::time;
2401
2402 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404 db_put cache => "$id/data", $data;
2405 db_put cache => "$id/md5" , $md5;
2406 db_put cache => "$id/meta", $meta;
2407
2408 return $data;
2409 }
2410
2411 db_get cache => "$id/data"
2412}
2413
2414=item fork_call { }, $args
2415
2416Executes the given code block with the given arguments in a seperate
2417process, returning the results. Everything must be serialisable with
2418Coro::Storable. May, of course, block. Note that the executed sub may
2419never block itself or use any form of Event handling.
2420
2421=cut
2422
2423sub fork_call(&@) {
2424 my ($cb, @args) = @_;
2425
2426# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427# or die "socketpair: $!";
2428 pipe my $fh1, my $fh2
2429 or die "pipe: $!";
2430
2431 if (my $pid = fork) {
2432 close $fh2;
2433
2434 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435 $res = Coro::Storable::thaw $res;
2436
2437 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439 die $$res unless "ARRAY" eq ref $res;
2440
2441 return wantarray ? @$res : $res->[-1];
2442 } else {
2443 reset_signals;
2444 local $SIG{__WARN__};
2445 local $SIG{__DIE__};
2446 eval {
2447 close $fh1;
2448
2449 my @res = eval { $cb->(@args) };
2450 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451 };
2452
2453 warn $@ if $@;
2454 _exit 0;
2455 }
2456}
2457
2458
2459 3389
2460############################################################################# 3390#############################################################################
2461# the server's init and main functions 3391# the server's init and main functions
2462 3392
2463sub load_facedata($) { 3393sub load_facedata($) {
2464 my ($path) = @_; 3394 my ($path) = @_;
2465 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
2466 warn "loading facedata from $path\n"; 3402 trace "loading facedata from $path\n";
2467 3403
2468 my $facedata;
2469 0 < aio_load $path, $facedata 3404 0 < aio_load $path, my $facedata
2470 or die "$path: $!"; 3405 or die "$path: $!";
2471 3406
2472 $facedata = Coro::Storable::thaw $facedata; 3407 $facedata = Coro::Storable::thaw $facedata;
2473 3408
2474 $facedata->{version} == 2 3409 $facedata->{version} == 2
2475 or cf::cleanup "$path: version mismatch, cannot proceed."; 3410 or cf::cleanup "$path: version mismatch, cannot proceed.";
2476 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
2477 { 3421 {
2478 my $faces = $facedata->{faceinfo}; 3422 my $faces = $facedata->{faceinfo};
2479 3423
2480 while (my ($face, $info) = each %$faces) { 3424 while (my ($face, $info) = each %$faces) {
2481 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3425 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3426
2482 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3427 cf::face::set_visibility $idx, $info->{visibility};
3428 cf::face::set_magicmap $idx, $info->{magicmap};
2483 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3429 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3430 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485 Coro::cede; 3431 cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3432
3433 cf::cede_to_tick;
2486 } 3434 }
2487 3435
2488 while (my ($face, $info) = each %$faces) { 3436 while (my ($face, $info) = each %$faces) {
2489 next unless $info->{smooth}; 3437 next unless $info->{smooth};
3438
2490 my $idx = cf::face::find $face 3439 my $idx = cf::face::find $face
2491 or next; 3440 or next;
3441
2492 if (my $smooth = cf::face::find $info->{smooth}) { 3442 if (my $smooth = cf::face::find $info->{smooth}) {
3443 cf::face::set_smooth $idx, $smooth;
2493 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3444 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494 } else { 3445 } else {
2495 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3446 error "smooth face '$info->{smooth}' not found for face '$face'";
2496 } 3447 }
2497 Coro::cede; 3448
3449 cf::cede_to_tick;
2498 } 3450 }
2499 } 3451 }
2500 3452
2501 { 3453 {
2502 my $anims = $facedata->{animinfo}; 3454 my $anims = $facedata->{animinfo};
2503 3455
2504 while (my ($anim, $info) = each %$anims) { 3456 while (my ($anim, $info) = each %$anims) {
2505 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3457 cf::anim::set $anim, $info->{frames}, $info->{facings};
2506 Coro::cede; 3458 cf::cede_to_tick;
2507 } 3459 }
2508 3460
2509 cf::anim::invalidate_all; # d'oh 3461 cf::anim::invalidate_all; # d'oh
2510 } 3462 }
2511 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} = $info; # unused
3475 }
3476
3477 cf::cede_to_tick;
3478 }
3479 }
3480
3481 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3482
2512 1 3483 1
2513} 3484}
2514 3485
3486register_exticmd fx_want => sub {
3487 my ($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 $status
3502}
3503
2515sub reload_regions { 3504sub reload_regions {
3505 # HACK to clear player env face cache, we need some signal framework
3506 # for this (global event?)
3507 %ext::player_env::MUSIC_FACE_CACHE = ();
3508
2516 load_resource_file "$MAPDIR/regions" 3509 load_resource_file "$MAPDIR/regions"
2517 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 $_->{match};
3515 }
2518} 3516}
2519 3517
2520sub reload_facedata { 3518sub reload_facedata {
2521 load_facedata "$DATADIR/facedata" 3519 load_facedata "$DATADIR/facedata"
2522 or die "unable to load facedata\n"; 3520 or die "unable to load facedata\n";
… …
2530sub reload_treasures { 3528sub reload_treasures {
2531 load_resource_file "$DATADIR/treasures" 3529 load_resource_file "$DATADIR/treasures"
2532 or die "unable to load treasurelists\n"; 3530 or die "unable to load treasurelists\n";
2533} 3531}
2534 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 => $face;
3553 }
3554}
3555
2535sub reload_resources { 3556sub reload_resources {
2536 warn "reloading resource files...\n"; 3557 trace "reloading resource files...\n";
2537 3558
3559 reload_exp_table;
3560 reload_materials;
3561 reload_facedata;
3562 reload_sound;
3563 reload_archetypes;
2538 reload_regions; 3564 reload_regions;
2539 reload_facedata;
2540 reload_archetypes;
2541 reload_treasures; 3565 reload_treasures;
2542 3566
2543 warn "finished reloading resource files\n"; 3567 trace "finished reloading resource files\n";
2544} 3568}
2545 3569
2546sub init { 3570sub reload_config {
2547 reload_resources; 3571 trace "reloading config file...\n";
2548}
2549 3572
2550sub cfg_load { 3573 0 < aio_load "$CONFDIR/config", my $config
2551 open my $fh, "<:utf8", "$CONFDIR/config" 3574 or die "$CONFDIR/config: $!";
2552 or return;
2553 3575
2554 local $/; 3576 utf8::decode $config;
2555 *CFG = YAML::Syck::Load <$fh>; 3577 *CFG = yaml_load $config;
2556 3578
2557 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3579 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558 3580
2559 $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};
2560 $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};
2561 3583
2562 if (exists $CFG{mlockall}) { 3584 if (exists $CFG{mlockall}) {
… …
2566 }; 3588 };
2567 warn $@ if $@; 3589 warn $@ if $@;
2568 } 3590 }
2569} 3591}
2570 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
2571sub 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
2572 # we must not ever block the main coroutine 3631 # we must not ever block the main coroutine
2573 local $Coro::idle = sub { 3632 local $Coro::idle = sub {
2574 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#
2575 (async { 3634 (async {
2576 Event::one_event; 3635 $Coro::current->{desc} = "IDLE BUG HANDLER";
3636 EV::loop EV::LOOP_ONESHOT;
2577 })->prio (Coro::PRIO_MAX); 3637 })->prio (Coro::PRIO_MAX);
2578 }; 3638 };
2579 3639
2580 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;
2581 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
2582 load_extensions; 3663 load_extensions;
2583 3664
2584 $TICK_WATCHER->start; 3665 utime time, time, $RUNTIMEFILE;
2585 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;
2586} 3683}
2587 3684
2588############################################################################# 3685#############################################################################
2589# initialisation and cleanup 3686# initialisation and cleanup
2590 3687
2591# install some emergency cleanup handlers 3688# install some emergency cleanup handlers
2592BEGIN { 3689BEGIN {
3690 our %SIGWATCHER = ();
2593 for my $signal (qw(INT HUP TERM)) { 3691 for my $signal (qw(INT HUP TERM)) {
2594 Event->signal ( 3692 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2595 reentrant => 0,
2596 data => WF_AUTOCANCEL,
2597 signal => $signal,
2598 prio => 0,
2599 cb => sub {
2600 cf::cleanup "SIG$signal"; 3693 cf::cleanup "SIG$signal";
2601 },
2602 ); 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
2603 } 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 };
2604} 3784}
2605 3785
2606sub emergency_save() { 3786sub emergency_save() {
2607 my $freeze_guard = cf::freeze_mainloop; 3787 my $freeze_guard = cf::freeze_mainloop;
2608 3788
2609 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;
2610 3795
2611 cf::sync_job { 3796 cf::sync_job {
3797 cf::write_runtime_sync; # external watchdog should not bark
3798
2612 # use a peculiar iteration method to avoid tripping on perl 3799 # use a peculiar iteration method to avoid tripping on perl
2613 # refcount bugs in for. also avoids problems with players 3800 # refcount bugs in for. also avoids problems with players
2614 # and maps saved/destroyed asynchronously. 3801 # and maps saved/destroyed asynchronously.
2615 warn "begin emergency player save\n"; 3802 info "emergency_perl_save: begin player save\n";
2616 for my $login (keys %cf::PLAYER) { 3803 for my $login (keys %cf::PLAYER) {
2617 my $pl = $cf::PLAYER{$login} or next; 3804 my $pl = $cf::PLAYER{$login} or next;
2618 $pl->valid or next; 3805 $pl->valid or next;
3806 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619 $pl->save; 3807 $pl->save;
2620 } 3808 }
2621 warn "end emergency player save\n"; 3809 info "emergency_perl_save: end player save\n";
2622 3810
2623 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";
2624 for my $path (keys %cf::MAP) { 3814 for my $path (keys %cf::MAP) {
2625 my $map = $cf::MAP{$path} or next; 3815 my $map = $cf::MAP{$path} or next;
2626 $map->valid or next; 3816 $map->valid or next;
2627 $map->save; 3817 $map->save;
2628 } 3818 }
2629 warn "end emergency map save\n"; 3819 info "emergency_perl_save: end map save\n";
2630 3820
2631 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";
2632 BDB::db_env_txn_checkpoint $DB_ENV; 3824 BDB::db_env_txn_checkpoint $DB_ENV;
2633 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 $DB_ENV;
3835
3836 info "emergency_perl_save: starting sync\n";
3837 IO::AIO::aio_sync sub {
3838 info "emergency_perl_save: finished sync\n";
3839 };
3840
3841 cf::write_runtime_sync; # external watchdog should not bark
3842
3843 trace "emergency_perl_save: flushing outstanding aio requests";
3844 while (IO::AIO::nreqs || BDB::nreqs) {
3845 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3846 }
3847
3848 cf::write_runtime_sync; # external watchdog should not bark
2634 }; 3849 };
2635 3850
2636 warn "leave emergency perl save\n"; 3851 info "emergency_perl_save: leave\n";
2637} 3852}
2638 3853
2639sub post_cleanup { 3854sub post_cleanup {
2640 my ($make_core) = @_; 3855 my ($make_core) = @_;
2641 3856
3857 IO::AIO::flush;
3858
2642 warn Carp::longmess "post_cleanup backtrace" 3859 error Carp::longmess "post_cleanup backtrace"
2643 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 }
2644} 3889}
2645 3890
2646sub do_reload_perl() { 3891sub do_reload_perl() {
2647 # can/must only be called in main 3892 # can/must only be called in main
2648 if ($Coro::current != $Coro::main) { 3893 unless (in_main) {
2649 warn "can only reload from main coroutine"; 3894 error "can only reload from main coroutine";
2650 return; 3895 return;
2651 } 3896 }
2652 3897
2653 warn "reloading..."; 3898 return if $RELOAD++;
2654 3899
2655 warn "entering sync_job"; 3900 my $t1 = AE::time;
2656 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
2657 cf::sync_job { 3908 cf::sync_job {
2658 cf::write_runtime; # external watchdog should not bark
2659 cf::emergency_save; 3909 #cf::emergency_save;
2660 cf::write_runtime; # external watchdog should not bark
2661 3910
2662 warn "syncing database to disk";
2663 BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665 # if anything goes wrong in here, we should simply crash as we already saved
2666
2667 warn "cancelling all WF_AUTOCANCEL watchers";
2668 for (Event::all_watchers) {
2669 $_->cancel if $_->data & WF_AUTOCANCEL;
2670 }
2671
2672 warn "flushing outstanding aio requests";
2673 for (;;) {
2674 BDB::flush;
2675 IO::AIO::flush;
2676 Coro::cede;
2677 last unless IO::AIO::nreqs || BDB::nreqs;
2678 warn "iterate...";
2679 }
2680
2681 ++$RELOAD;
2682
2683 warn "cancelling all extension coros"; 3911 trace "perl_reload: cancelling all extension coros";
2684 $_->cancel for values %EXT_CORO; 3912 $_->cancel for values %EXT_CORO;
2685 %EXT_CORO = (); 3913 %EXT_CORO = ();
2686 3914
2687 warn "removing commands"; 3915 trace "perl_reload: removing commands";
2688 %COMMAND = (); 3916 %COMMAND = ();
2689 3917
2690 warn "removing ext commands"; 3918 trace "perl_reload: removing ext/exti commands";
2691 %EXTCMD = (); 3919 %EXTCMD = ();
3920 %EXTICMD = ();
2692 3921
2693 warn "unloading/nuking all extensions"; 3922 trace "perl_reload: unloading/nuking all extensions";
2694 for my $pkg (@EXTS) { 3923 for my $pkg (@EXTS) {
2695 warn "... unloading $pkg"; 3924 trace "... unloading $pkg";
2696 3925
2697 if (my $cb = $pkg->can ("unload")) { 3926 if (my $cb = $pkg->can ("unload")) {
2698 eval { 3927 eval {
2699 $cb->($pkg); 3928 $cb->($pkg);
2700 1 3929 1
2701 } 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;
2702 } 3935 }
2703 3936
2704 warn "... nuking $pkg";
2705 Symbol::delete_package $pkg;
2706 }
2707
2708 warn "unloading all perl modules loaded from $LIBDIR"; 3937 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2709 while (my ($k, $v) = each %INC) { 3938 while (my ($k, $v) = each %INC) {
2710 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3939 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711 3940
2712 warn "... unloading $k"; 3941 trace "... unloading $k";
2713 delete $INC{$k}; 3942 delete $INC{$k};
2714 3943
2715 $k =~ s/\.pm$//; 3944 $k =~ s/\.pm$//;
2716 $k =~ s/\//::/g; 3945 $k =~ s/\//::/g;
2717 3946
2718 if (my $cb = $k->can ("unload_module")) { 3947 if (my $cb = $k->can ("unload_module")) {
2719 $cb->(); 3948 $cb->();
3949 }
3950
3951 clear_package $k;
2720 } 3952 }
2721 3953
2722 Symbol::delete_package $k;
2723 }
2724
2725 warn "getting rid of safe::, as good as possible"; 3954 trace "perl_reload: getting rid of safe::, as good as possible";
2726 Symbol::delete_package "safe::$_" 3955 clear_package "safe::$_"
2727 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);
2728 3957
2729 warn "unloading cf.pm \"a bit\""; 3958 trace "perl_reload: unloading cf.pm \"a bit\"";
2730 delete $INC{"cf.pm"}; 3959 delete $INC{"cf.pm"};
2731 delete $INC{"cf/pod.pm"}; 3960 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732 3961
2733 # don't, removes xs symbols, too, 3962 # don't, removes xs symbols, too,
2734 # and global variables created in xs 3963 # and global variables created in xs
2735 #Symbol::delete_package __PACKAGE__; 3964 #clear_package __PACKAGE__;
2736 3965
2737 warn "unload completed, starting to reload now"; 3966 info "perl_reload: unload completed, starting to reload now";
2738 3967
2739 warn "reloading cf.pm"; 3968 trace "perl_reload: reloading cf.pm";
2740 require cf; 3969 require cf;
2741 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3970 cf::_connect_to_perl_1;
2742 3971
2743 warn "loading config and database again"; 3972 trace "perl_reload: loading config and database again";
2744 cf::cfg_load; 3973 cf::reload_config;
2745 3974
2746 warn "loading extensions"; 3975 trace "perl_reload: loading extensions";
2747 cf::load_extensions; 3976 cf::load_extensions;
2748 3977
3978 if ($REATTACH_ON_RELOAD) {
2749 warn "reattaching attachments to objects/players"; 3979 trace "perl_reload: reattaching attachments to objects/players";
2750 _global_reattach; # objects, sockets 3980 _global_reattach; # objects, sockets
2751 warn "reattaching attachments to maps"; 3981 trace "perl_reload: reattaching attachments to maps";
2752 reattach $_ for values %MAP; 3982 reattach $_ for values %MAP;
2753 warn "reattaching attachments to players"; 3983 trace "perl_reload: reattaching attachments to players";
2754 reattach $_ for values %PLAYER; 3984 reattach $_ for values %PLAYER;
3985 }
2755 3986
2756 warn "leaving sync_job"; 3987 cf::_post_init 1;
2757 3988
3989 trace "perl_reload: leaving sync_job";
3990
2758 1 3991 1
2759 } or do { 3992 } or do {
2760 warn $@; 3993 error $@;
2761 warn "error while reloading, exiting."; 3994 cf::cleanup "perl_reload: error, exiting.";
2762 exit 1; 3995 };
3996
3997 --$RELOAD;
2763 }; 3998 }
2764 3999
2765 warn "reloaded"; 4000 $t1 = AE::time - $t1;
4001 info "perl_reload: completed in ${t1}s\n";
2766}; 4002};
2767 4003
2768our $RELOAD_WATCHER; # used only during reload 4004our $RELOAD_WATCHER; # used only during reload
2769 4005
2770sub reload_perl() { 4006sub reload_perl() {
2771 # doing reload synchronously and two reloads happen back-to-back, 4007 # doing reload synchronously and two reloads happen back-to-back,
2772 # coro crashes during coro_state_free->destroy here. 4008 # coro crashes during coro_state_free->destroy here.
2773 4009
2774 $RELOAD_WATCHER ||= Event->timer ( 4010 $RELOAD_WATCHER ||= cf::async {
2775 reentrant => 0, 4011 Coro::AIO::aio_wait cache_extensions;
2776 after => 0, 4012
2777 data => WF_AUTOCANCEL, 4013 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778 cb => sub {
2779 do_reload_perl; 4014 do_reload_perl;
2780 undef $RELOAD_WATCHER; 4015 undef $RELOAD_WATCHER;
2781 }, 4016 };
2782 ); 4017 };
2783} 4018}
2784 4019
2785register_command "reload" => sub { 4020register_command "reload" => sub {
2786 my ($who, $arg) = @_; 4021 my ($who, $arg) = @_;
2787 4022
2788 if ($who->flag (FLAG_WIZ)) { 4023 if ($who->flag (FLAG_WIZ)) {
2789 $who->message ("reloading server."); 4024 $who->message ("reloading server.");
4025 async {
4026 $Coro::current->{desc} = "perl_reload";
2790 async { reload_perl }; 4027 reload_perl;
4028 };
2791 } 4029 }
2792}; 4030};
2793 4031
2794unshift @INC, $LIBDIR; 4032#############################################################################
2795 4033
2796my $bug_warning = 0; 4034my $bug_warning = 0;
2797 4035
2798our @WAIT_FOR_TICK; 4036our @WAIT_FOR_TICK;
2799our @WAIT_FOR_TICK_BEGIN; 4037our @WAIT_FOR_TICK_BEGIN;
2800 4038
2801sub wait_for_tick { 4039sub wait_for_tick() {
2802 return unless $TICK_WATCHER->is_active;
2803 return if $Coro::current == $Coro::main; 4040 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2804 4041
2805 my $signal = new Coro::Signal; 4042 my $signal = new Coro::Signal;
2806 push @WAIT_FOR_TICK, $signal; 4043 push @WAIT_FOR_TICK, $signal;
2807 $signal->wait; 4044 $signal->wait;
2808} 4045}
2809 4046
2810sub wait_for_tick_begin { 4047sub wait_for_tick_begin() {
2811 return unless $TICK_WATCHER->is_active;
2812 return if $Coro::current == $Coro::main; 4048 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2813 4049
2814 my $signal = new Coro::Signal; 4050 my $signal = new Coro::Signal;
2815 push @WAIT_FOR_TICK_BEGIN, $signal; 4051 push @WAIT_FOR_TICK_BEGIN, $signal;
2816 $signal->wait; 4052 $signal->wait;
2817} 4053}
2818 4054
2819$TICK_WATCHER = Event->timer ( 4055sub tick {
2820 reentrant => 0,
2821 parked => 1,
2822 prio => 0,
2823 at => $NEXT_TICK || $TICK,
2824 data => WF_AUTOCANCEL,
2825 cb => sub {
2826 if ($Coro::current != $Coro::main) { 4056 if ($Coro::current != $Coro::main) {
2827 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"
2828 unless ++$bug_warning > 10; 4058 unless ++$bug_warning > 10;
2829 return; 4059 return;
2830 } 4060 }
2831 4061
2832 $NOW = Event::time;
2833
2834 cf::server_tick; # one server iteration 4062 cf::server_tick; # one server iteration
2835 4063
2836 $RUNTIME += $TICK; 4064 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2837 $NEXT_TICK += $TICK;
2838 4065
2839 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4066 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840 $NEXT_RUNTIME_WRITE = $NOW + 10; 4067 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841 Coro::async_pool { 4068 Coro::async_pool {
4069 $Coro::current->{desc} = "runtime saver";
2842 write_runtime 4070 write_runtime_sync
2843 or warn "ERROR: unable to write runtime file: $!"; 4071 or error "ERROR: unable to write runtime file: $!";
2844 };
2845 } 4072 };
4073 }
2846 4074
2847# my $AFTER = Event::time;
2848# warn $AFTER - $NOW;#d#
2849
2850 # if we are delayed by four ticks or more, skip them all
2851 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853 $TICK_WATCHER->at ($NEXT_TICK);
2854 $TICK_WATCHER->start;
2855
2856 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4075 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857 $sig->send; 4076 $sig->send;
2858 } 4077 }
2859 while (my $sig = shift @WAIT_FOR_TICK) { 4078 while (my $sig = shift @WAIT_FOR_TICK) {
2860 $sig->send; 4079 $sig->send;
2861 }
2862
2863 _post_tick;
2864 }, 4080 }
2865); 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}
2866 4093
2867{ 4094{
2868 BDB::max_poll_time $TICK * 0.1; 4095 # configure BDB
2869 $BDB_POLL_WATCHER = Event->io ( 4096
2870 reentrant => 0,
2871 fd => BDB::poll_fileno,
2872 poll => 'r',
2873 prio => 0,
2874 data => WF_AUTOCANCEL,
2875 cb => \&BDB::poll_cb,
2876 );
2877 BDB::min_parallel 8; 4097 BDB::min_parallel 16;
2878 4098 BDB::max_poll_reqs $TICK * 0.1;
2879 BDB::set_sync_prepare { 4099 $AnyEvent::BDB::WATCHER->priority (1);
2880 my $status;
2881 my $current = $Coro::current;
2882 (
2883 sub {
2884 $status = $!;
2885 $current->ready; undef $current;
2886 },
2887 sub {
2888 Coro::schedule while defined $current;
2889 $! = $status;
2890 },
2891 )
2892 };
2893 4100
2894 unless ($DB_ENV) { 4101 unless ($DB_ENV) {
2895 $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);
2896 4108
2897 cf::sync_job { 4109 cf::sync_job {
2898 eval { 4110 eval {
2899 BDB::db_env_open 4111 BDB::db_env_open
2900 $DB_ENV, 4112 $DB_ENV,
… …
2902 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
2903 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4115 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904 0666; 4116 0666;
2905 4117
2906 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4118 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909 $DB_ENV->set_lk_detect;
2910 }; 4119 };
2911 4120
2912 cf::cleanup "db_env_open(db): $@" if $@; 4121 cf::cleanup "db_env_open(db): $@" if $@;
2913 }; 4122 };
2914 } 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 };
2915} 4134}
2916 4135
2917{ 4136{
4137 # configure IO::AIO
4138
2918 IO::AIO::min_parallel 8; 4139 IO::AIO::min_parallel 8;
2919
2920 undef $Coro::AIO::WATCHER;
2921 IO::AIO::max_poll_time $TICK * 0.1; 4140 IO::AIO::max_poll_time $TICK * 0.1;
2922 $AIO_POLL_WATCHER = Event->io ( 4141 undef $AnyEvent::AIO::WATCHER;
2923 reentrant => 0,
2924 data => WF_AUTOCANCEL,
2925 fd => IO::AIO::poll_fileno,
2926 poll => 'r',
2927 prio => 6,
2928 cb => \&IO::AIO::poll_cb,
2929 );
2930} 4142}
2931 4143
2932my $_log_backtrace; 4144our $_log_backtrace;
4145our $_log_backtrace_last;
2933 4146
2934sub _log_backtrace { 4147sub _log_backtrace {
2935 my ($msg, @addr) = @_; 4148 my ($msg, @addr) = @_;
2936 4149
2937 $msg =~ s/\n//; 4150 $msg =~ s/\n$//;
2938 4151
4152 if ($_log_backtrace_last eq $msg) {
4153 LOG llevInfo, "[ABT] $msg\n";
4154 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2939 # limit the # of concurrent backtraces 4155 # limit the # of concurrent backtraces
2940 if ($_log_backtrace < 2) { 4156 } elsif ($_log_backtrace < 2) {
4157 $_log_backtrace_last = $msg;
2941 ++$_log_backtrace; 4158 ++$_log_backtrace;
4159 my $perl_bt = Carp::longmess $msg;
2942 async { 4160 async {
4161 $Coro::current->{desc} = "abt $msg";
4162
2943 my @bt = fork_call { 4163 my @bt = fork_call {
2944 @addr = map { sprintf "%x", $_ } @addr; 4164 @addr = map { sprintf "%x", $_ } @addr;
2945 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4165 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4166 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947 or die "addr2line: $!"; 4167 or die "addr2line: $!";
… …
2955 } 4175 }
2956 4176
2957 @funcs 4177 @funcs
2958 }; 4178 };
2959 4179
2960 LOG llevInfo, "[ABT] $msg\n"; 4180 LOG llevInfo, "[ABT] $perl_bt\n";
4181 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961 LOG llevInfo, "[ABT] $_\n" for @bt; 4182 LOG llevInfo, "[ABT] $_\n" for @bt;
2962 --$_log_backtrace; 4183 --$_log_backtrace;
2963 }; 4184 };
2964 } else { 4185 } else {
2965 LOG llevInfo, "[ABT] $msg\n"; 4186 LOG llevInfo, "[ABT] $msg\n";
2966 LOG llevInfo, "[ABT] [suppressed]\n"; 4187 LOG llevInfo, "[ABT] [overload, suppressed]\n";
2967 } 4188 }
2968} 4189}
2969 4190
2970# load additional modules 4191# load additional modules
2971use cf::pod; 4192require "cf/$_.pm" for @EXTRA_MODULES;
4193cf::_connect_to_perl_2;
2972 4194
2973END { cf::emergency_save } 4195END { cf::emergency_save }
2974 4196
29751 41971
2976 4198

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