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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.261 by root, Fri Apr 27 20:09:48 2007 UTC vs.
Revision 1.553 by root, Tue May 18 21:30:16 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
3use utf8; 25use common::sense;
4use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Socket; 29use Socket;
9use Storable; 30use EV;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
35use Carp ();
14 36
37use Guard ();
15use Coro 3.61 (); 38use Coro ();
16use Coro::State; 39use Coro::State;
17use Coro::Handle; 40use Coro::Handle;
41use Coro::EV;
18use Coro::Event; 42use Coro::AnyEvent;
19use Coro::Timer; 43use Coro::Timer;
20use Coro::Signal; 44use Coro::Signal;
21use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
22use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
23use Coro::Storable; 50use Coro::Storable;
51use Coro::Util ();
24 52
53use JSON::XS 2.01 ();
25use BDB (); 54use BDB ();
26use Data::Dumper; 55use Data::Dumper;
27use Digest::MD5;
28use Fcntl; 56use Fcntl;
29use YAML::Syck (); 57use YAML::XS ();
30use IO::AIO 2.32 (); 58use IO::AIO ();
31use Time::HiRes; 59use Time::HiRes;
32use Compress::LZF; 60use Compress::LZF;
61use Digest::MD5 ();
62
63AnyEvent::detect;
33 64
34# configure various modules to our taste 65# configure various modules to our taste
35# 66#
36$Storable::canonical = 1; # reduce rsync transfers 67$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 68Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
71
72# make sure c-lzf reinitialises itself
73Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 74Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 75
40$Event::Eval = 1; # no idea why this is required, but it is 76# strictly for debugging
41 77$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 78
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 79sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
80
81our @ORIG_INC;
48 82
49our %COMMAND = (); 83our %COMMAND = ();
50our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
51 85
52our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
56 91
57our $RELOAD; # number of reloads so far 92our $RELOAD; # number of reloads so far, non-zero while in reload
58our @EVENT; 93our @EVENT;
94our @REFLECT; # set by XS
95our %REFLECT; # set by us
59 96
60our $CONFDIR = confdir; 97our $CONFDIR = confdir;
61our $DATADIR = datadir; 98our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext"; 99our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod"; 100our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir; 101our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir; 102our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir; 103our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir; 105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random"; 106our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db"; 107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE; # unused
112
113our $OUTPUT_RATE_MIN = 3000;
114our $OUTPUT_RATE_MAX = 1000000;
115
116our $MAX_LINKS = 32; # how many chained exits to follow
117our $VERBOSE_IO = 1;
71 118
72our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 119our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73our $TICK_WATCHER;
74our $AIO_POLL_WATCHER;
75our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 120our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76our $NEXT_TICK; 121our $NEXT_TICK;
77our $NOW;
78our $USE_FSYNC = 1; # use fsync to write maps - default off 122our $USE_FSYNC = 1; # use fsync to write maps - default on
79 123
124our $BDB_DEADLOCK_WATCHER;
125our $BDB_CHECKPOINT_WATCHER;
80our $BDB_POLL_WATCHER; 126our $BDB_TRICKLE_WATCHER;
81our $DB_ENV; 127our $DB_ENV;
128
129our @EXTRA_MODULES = qw(pod match mapscript incloader);
82 130
83our %CFG; 131our %CFG;
84 132
85our $UPTIME; $UPTIME ||= time; 133our $UPTIME; $UPTIME ||= time;
86our $RUNTIME; 134our $RUNTIME;
135our $NOW;
87 136
88our %PLAYER; # all users 137our (%PLAYER, %PLAYER_LOADING); # all users
89our %MAP; # all maps 138our (%MAP, %MAP_LOADING ); # all maps
90our $LINK_MAP; # the special {link} map, which is always available 139our $LINK_MAP; # the special {link} map, which is always available
91 140
92# used to convert map paths into valid unix filenames by replacing / by ∕ 141# used to convert map paths into valid unix filenames by replacing / by ∕
93our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 142our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94 143
144our $LOAD; # a number between 0 (idle) and 1 (too many objects)
145our $LOADAVG; # same thing, but with alpha-smoothing
146our $JITTER; # average jitter
147our $TICK_START; # for load detecting purposes
148
149our @POST_INIT;
150
151our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
152our $REALLY_UNLOOP; # never set to true, please :)
153
95binmode STDOUT; 154binmode STDOUT;
96binmode STDERR; 155binmode STDERR;
97 156
98# read virtual server time, if available 157# read virtual server time, if available
99unless ($RUNTIME || !-e "$LOCALDIR/runtime") { 158unless ($RUNTIME || !-e $RUNTIMEFILE) {
100 open my $fh, "<", "$LOCALDIR/runtime" 159 open my $fh, "<", $RUNTIMEFILE
101 or die "unable to read runtime file: $!"; 160 or die "unable to read $RUNTIMEFILE file: $!";
102 $RUNTIME = <$fh> + 0.; 161 $RUNTIME = <$fh> + 0.;
103} 162}
163
164eval "sub TICK() { $TICK } 1" or die;
104 165
105mkdir $_ 166mkdir $_
106 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; 167 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107 168
108our $EMERGENCY_POSITION; 169our $EMERGENCY_POSITION;
109 170
110sub cf::map::normalise; 171sub cf::map::normalise;
172
173sub in_main() {
174 $Coro::current == $Coro::main
175}
176
177#############################################################################
178
179%REFLECT = ();
180for (@REFLECT) {
181 my $reflect = JSON::XS::decode_json $_;
182 $REFLECT{$reflect->{class}} = $reflect;
183}
184
185# this is decidedly evil
186$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
111 187
112############################################################################# 188#############################################################################
113 189
114=head2 GLOBAL VARIABLES 190=head2 GLOBAL VARIABLES
115 191
… …
139 215
140=item $cf::TICK 216=item $cf::TICK
141 217
142The interval between server ticks, in seconds. 218The interval between server ticks, in seconds.
143 219
220=item $cf::LOADAVG
221
222The current CPU load on the server (alpha-smoothed), as a value between 0
223(none) and 1 (overloaded), indicating how much time is spent on processing
224objects per tick. Healthy values are < 0.5.
225
226=item $cf::LOAD
227
228The raw value load value from the last tick.
229
144=item %cf::CFG 230=item %cf::CFG
145 231
146Configuration for the server, loaded from C</etc/crossfire/config>, or 232Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147from wherever your confdir points to. 233from wherever your confdir points to.
148 234
149=item cf::wait_for_tick, cf::wait_for_tick_begin 235=item cf::wait_for_tick, cf::wait_for_tick_begin
150 236
151These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 237These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152returns directly I<after> the tick processing (and consequently, can only wake one process 238returns directly I<after> the tick processing (and consequently, can only wake one thread
153per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 239per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154 240
241=cut
242
243sub wait_for_tick();
244sub wait_for_tick_begin();
245
246=item @cf::INVOKE_RESULTS
247
248This array contains the results of the last C<invoke ()> call. When
249C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
250that call.
251
252=item %cf::REFLECT
253
254Contains, for each (C++) class name, a hash reference with information
255about object members (methods, scalars, arrays and flags) and other
256metadata, which is useful for introspection.
257
155=back 258=back
156 259
157=cut 260=cut
158 261
159BEGIN { 262sub error(@) { LOG llevError, join "", @_ }
160 *CORE::GLOBAL::warn = sub { 263sub warn (@) { LOG llevWarn , join "", @_ }
264sub info (@) { LOG llevInfo , join "", @_ }
265sub debug(@) { LOG llevDebug, join "", @_ }
266sub trace(@) { LOG llevTrace, join "", @_ }
267
268$Coro::State::WARNHOOK = sub {
161 my $msg = join "", @_; 269 my $msg = join "", @_;
162 270
163 $msg .= "\n" 271 $msg .= "\n"
164 unless $msg =~ /\n$/; 272 unless $msg =~ /\n$/;
165 273
166 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 274 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167 275
168 utf8::encode $msg;
169 LOG llevError, $msg; 276 LOG llevWarn, $msg;
170 }; 277};
171} 278
279$Coro::State::DIEHOOK = sub {
280 return unless $^S eq 0; # "eq", not "=="
281
282 error Carp::longmess $_[0];
283
284 if (in_main) {#d#
285 error "DIEHOOK called in main context, Coro bug?\n";#d#
286 return;#d#
287 }#d#
288
289 # kill coroutine otherwise
290 Coro::terminate
291};
172 292
173@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 293@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 294@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 295@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 296@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 297@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
298@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 299@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179 300
180# we bless all objects into (empty) derived classes to force a method lookup 301# we bless all objects into (empty) derived classes to force a method lookup
181# within the Safe compartment. 302# within the Safe compartment.
182for my $pkg (qw( 303for my $pkg (qw(
183 cf::global cf::attachable 304 cf::global cf::attachable
184 cf::object cf::object::player 305 cf::object cf::object::player
185 cf::client cf::player 306 cf::client cf::player
186 cf::arch cf::living 307 cf::arch cf::living
308 cf::map cf::mapspace
187 cf::map cf::party cf::region 309 cf::party cf::region
188)) { 310)) {
189 no strict 'refs';
190 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 311 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191} 312}
192 313
193$Event::DIED = sub { 314$EV::DIED = sub {
194 warn "error in event callback: @_"; 315 Carp::cluck "error in event callback: @_";
195}; 316};
317
318#############################################################################
196 319
197=head2 UTILITY FUNCTIONS 320=head2 UTILITY FUNCTIONS
198 321
199=over 4 322=over 4
200 323
… …
219 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 342 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220 $d 343 $d
221 } || "[unable to dump $_[0]: '$@']"; 344 } || "[unable to dump $_[0]: '$@']";
222} 345}
223 346
224use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
225
226=item $ref = cf::from_json $json 347=item $ref = cf::decode_json $json
227 348
228Converts a JSON string into the corresponding perl data structure. 349Converts a JSON string into the corresponding perl data structure.
229 350
230=item $json = cf::to_json $ref 351=item $json = cf::encode_json $ref
231 352
232Converts a perl data structure into its JSON representation. 353Converts a perl data structure into its JSON representation.
233 354
355=cut
356
357our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
358
359sub encode_json($) { $json_coder->encode ($_[0]) }
360sub decode_json($) { $json_coder->decode ($_[0]) }
361
362=item $ref = cf::yaml_load $scalar
363
364Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
365
366=cut
367
368sub fork_call(&@);
369
370sub yaml_load($) {
371 fork_call { YAML::XS::Load $_[0] } @_
372}
373
374=item cf::post_init { BLOCK }
375
376Execute the given codeblock, I<after> all extensions have been (re-)loaded,
377but I<before> the server starts ticking again.
378
379The codeblock will have a single boolean argument to indicate whether this
380is a reload or not.
381
382=cut
383
384sub post_init(&) {
385 push @POST_INIT, shift;
386}
387
388sub _post_init {
389 trace "running post_init jobs";
390
391 # run them in parallel...
392
393 my @join;
394
395 while () {
396 push @join, map &Coro::async ($_, 0), @POST_INIT;
397 @POST_INIT = ();
398
399 @join or last;
400
401 (pop @join)->join;
402 }
403}
404
234=item cf::lock_wait $string 405=item cf::lock_wait $string
235 406
236Wait until the given lock is available. See cf::lock_acquire. 407Wait until the given lock is available. See cf::lock_acquire.
237 408
238=item my $lock = cf::lock_acquire $string 409=item my $lock = cf::lock_acquire $string
239 410
240Wait until the given lock is available and then acquires it and returns 411Wait until the given lock is available and then acquires it and returns
241a Coro::guard object. If the guard object gets destroyed (goes out of scope, 412a L<Guard> object. If the guard object gets destroyed (goes out of scope,
242for example when the coroutine gets canceled), the lock is automatically 413for example when the coroutine gets canceled), the lock is automatically
243returned. 414returned.
244 415
416Locks are *not* recursive, locking from the same coro twice results in a
417deadlocked coro.
418
245Lock names should begin with a unique identifier (for example, cf::map::find 419Lock names should begin with a unique identifier (for example, cf::map::find
246uses map_find and cf::map::load uses map_load). 420uses map_find and cf::map::load uses map_load).
247 421
248=item $locked = cf::lock_active $string 422=item $locked = cf::lock_active $string
249 423
250Return true if the lock is currently active, i.e. somebody has locked it. 424Return true if the lock is currently active, i.e. somebody has locked it.
251 425
252=cut 426=cut
253 427
254our %LOCK; 428our $LOCKS = new Coro::SemaphoreSet;
255 429
256sub lock_wait($) { 430sub lock_wait($) {
257 my ($key) = @_; 431 $LOCKS->wait ($_[0]);
258
259 # wait for lock, if any
260 while ($LOCK{$key}) {
261 push @{ $LOCK{$key} }, $Coro::current;
262 Coro::schedule;
263 }
264} 432}
265 433
266sub lock_acquire($) { 434sub lock_acquire($) {
267 my ($key) = @_; 435 $LOCKS->guard ($_[0])
268
269 # wait, to be sure we are not locked
270 lock_wait $key;
271
272 $LOCK{$key} = [];
273
274 Coro::guard {
275 # wake up all waiters, to be on the safe side
276 $_->ready for @{ delete $LOCK{$key} };
277 }
278} 436}
279 437
280sub lock_active($) { 438sub lock_active($) {
281 my ($key) = @_; 439 $LOCKS->count ($_[0]) < 1
282
283 ! ! $LOCK{$key}
284} 440}
285 441
286sub freeze_mainloop { 442sub freeze_mainloop {
287 return unless $TICK_WATCHER->is_active; 443 tick_inhibit_inc;
288 444
289 my $guard = Coro::guard { 445 &Guard::guard (\&tick_inhibit_dec);
290 $TICK_WATCHER->start; 446}
447
448=item cf::periodic $interval, $cb
449
450Like EV::periodic, but randomly selects a starting point so that the actions
451get spread over time.
452
453=cut
454
455sub periodic($$) {
456 my ($interval, $cb) = @_;
457
458 my $start = rand List::Util::min 180, $interval;
459
460 EV::periodic $start, $interval, 0, $cb
461}
462
463=item cf::get_slot $time[, $priority[, $name]]
464
465Allocate $time seconds of blocking CPU time at priority C<$priority>:
466This call blocks and returns only when you have at least C<$time> seconds
467of cpu time till the next tick. The slot is only valid till the next cede.
468
469The optional C<$name> can be used to identify the job to run. It might be
470used for statistical purposes and should identify the same time-class.
471
472Useful for short background jobs.
473
474=cut
475
476our @SLOT_QUEUE;
477our $SLOT_QUEUE;
478our $SLOT_DECAY = 0.9;
479
480$SLOT_QUEUE->cancel if $SLOT_QUEUE;
481$SLOT_QUEUE = Coro::async {
482 $Coro::current->desc ("timeslot manager");
483
484 my $signal = new Coro::Signal;
485 my $busy;
486
487 while () {
488 next_job:
489
490 my $avail = cf::till_tick;
491
492 for (0 .. $#SLOT_QUEUE) {
493 if ($SLOT_QUEUE[$_][0] <= $avail) {
494 $busy = 0;
495 my $job = splice @SLOT_QUEUE, $_, 1, ();
496 $job->[2]->send;
497 Coro::cede;
498 goto next_job;
499 } else {
500 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
501 }
502 }
503
504 if (@SLOT_QUEUE) {
505 # we do not use wait_for_tick() as it returns immediately when tick is inactive
506 push @cf::WAIT_FOR_TICK, $signal;
507 $signal->wait;
508 } else {
509 $busy = 0;
510 Coro::schedule;
511 }
291 }; 512 }
292 $TICK_WATCHER->stop; 513};
293 $guard 514
515sub get_slot($;$$) {
516 return if tick_inhibit || $Coro::current == $Coro::main;
517
518 my ($time, $pri, $name) = @_;
519
520 $time = clamp $time, 0.01, $TICK * .6;
521
522 my $sig = new Coro::Signal;
523
524 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
525 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
526 $SLOT_QUEUE->ready;
527 $sig->wait;
294} 528}
295 529
296=item cf::async { BLOCK } 530=item cf::async { BLOCK }
297 531
298Currently the same as Coro::async_pool, meaning you cannot use 532Currently the same as Coro::async_pool, meaning you cannot use
… …
303 537
304BEGIN { *async = \&Coro::async_pool } 538BEGIN { *async = \&Coro::async_pool }
305 539
306=item cf::sync_job { BLOCK } 540=item cf::sync_job { BLOCK }
307 541
308The design of crossfire+ requires that the main coro ($Coro::main) is 542The design of Deliantra requires that the main coroutine ($Coro::main)
309always able to handle events or runnable, as crossfire+ is only partly 543is always able to handle events or runnable, as Deliantra is only
310reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 544partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
545acceptable.
311 546
312If it must be done, put the blocking parts into C<sync_job>. This will run 547If it must be done, put the blocking parts into C<sync_job>. This will run
313the given BLOCK in another coroutine while waiting for the result. The 548the given BLOCK in another coroutine while waiting for the result. The
314server will be frozen during this time, so the block should either finish 549server will be frozen during this time, so the block should either finish
315fast or be very important. 550fast or be very important.
… …
317=cut 552=cut
318 553
319sub sync_job(&) { 554sub sync_job(&) {
320 my ($job) = @_; 555 my ($job) = @_;
321 556
322 if ($Coro::current == $Coro::main) { 557 if (in_main) {
558 my $time = AE::time;
559
323 # this is the main coro, too bad, we have to block 560 # this is the main coro, too bad, we have to block
324 # till the operation succeeds, freezing the server :/ 561 # till the operation succeeds, freezing the server :/
325 562
326 # TODO: use suspend/resume instead 563 #LOG llevError, Carp::longmess "sync job";#d#
327 # (but this is cancel-safe) 564
328 my $freeze_guard = freeze_mainloop; 565 my $freeze_guard = freeze_mainloop;
329 566
330 my $busy = 1; 567 my $busy = 1;
331 my @res; 568 my @res;
332 569
333 (async { 570 (async {
571 $Coro::current->desc ("sync job coro");
334 @res = eval { $job->() }; 572 @res = eval { $job->() };
335 warn $@ if $@; 573 error $@ if $@;
336 undef $busy; 574 undef $busy;
337 })->prio (Coro::PRIO_MAX); 575 })->prio (Coro::PRIO_MAX);
338 576
339 while ($busy) { 577 while ($busy) {
340 Coro::cede or Event::one_event; 578 if (Coro::nready) {
579 Coro::cede_notself;
580 } else {
581 EV::loop EV::LOOP_ONESHOT;
341 } 582 }
583 }
584
585 my $time = AE::time - $time;
586
587 $TICK_START += $time; # do not account sync jobs to server load
342 588
343 wantarray ? @res : $res[0] 589 wantarray ? @res : $res[0]
344 } else { 590 } else {
345 # we are in another coroutine, how wonderful, everything just works 591 # we are in another coroutine, how wonderful, everything just works
346 592
… …
366 $EXT_CORO{$coro+0} = $coro; 612 $EXT_CORO{$coro+0} = $coro;
367 613
368 $coro 614 $coro
369} 615}
370 616
371sub write_runtime { 617=item fork_call { }, @args
372 my $guard = cf::lock_acquire "write_runtime";
373 618
374 my $runtime = "$LOCALDIR/runtime"; 619Executes the given code block with the given arguments in a seperate
620process, returning the results. Everything must be serialisable with
621Coro::Storable. May, of course, block. Note that the executed sub may
622never block itself or use any form of event handling.
375 623
376 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 624=cut
377 or return;
378 625
379 my $value = $cf::RUNTIME + 90 + 10; 626sub post_fork {
380 # 10 is the runtime save interval, for a monotonic clock 627 reset_signals;
381 # 60 allows for the watchdog to kill the server. 628}
382 629
383 (aio_write $fh, 0, (length $value), $value, 0) <= 0 630sub fork_call(&@) {
384 and return; 631 my ($cb, @args) = @_;
385 632
386 # always fsync - this file is important 633 # we seemingly have to make a local copy of the whole thing,
387 aio_fsync $fh 634 # otherwise perl prematurely frees the stuff :/
388 and return; 635 # TODO: investigate and fix (likely this will be rather laborious)
389 636
390 close $fh 637 my @res = Coro::Util::fork_eval {
391 or return; 638 cf::post_fork;
639 &$cb
640 } @args;
392 641
393 aio_rename "$runtime~", $runtime 642 wantarray ? @res : $res[-1]
394 and return; 643}
395 644
645sub objinfo {
396 1 646 (
647 "counter value" => cf::object::object_count,
648 "objects created" => cf::object::create_count,
649 "objects destroyed" => cf::object::destroy_count,
650 "freelist size" => cf::object::free_count,
651 "allocated objects" => cf::object::objects_size,
652 "active objects" => cf::object::actives_size,
653 )
654}
655
656=item $coin = coin_from_name $name
657
658=cut
659
660our %coin_alias = (
661 "silver" => "silvercoin",
662 "silvercoin" => "silvercoin",
663 "silvercoins" => "silvercoin",
664 "gold" => "goldcoin",
665 "goldcoin" => "goldcoin",
666 "goldcoins" => "goldcoin",
667 "platinum" => "platinacoin",
668 "platinumcoin" => "platinacoin",
669 "platinumcoins" => "platinacoin",
670 "platina" => "platinacoin",
671 "platinacoin" => "platinacoin",
672 "platinacoins" => "platinacoin",
673 "royalty" => "royalty",
674 "royalties" => "royalty",
675);
676
677sub coin_from_name($) {
678 $coin_alias{$_[0]}
679 ? cf::arch::find $coin_alias{$_[0]}
680 : undef
681}
682
683=item $value = cf::db_get $family => $key
684
685Returns a single value from the environment database.
686
687=item cf::db_put $family => $key => $value
688
689Stores the given C<$value> in the family. It can currently store binary
690data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
691
692=item $db = cf::db_table "name"
693
694Create and/or open a new database table. The string must not be "db" and must be unique
695within each server.
696
697=cut
698
699sub db_table($) {
700 cf::error "db_get called from main context"
701 if $Coro::current == $Coro::main;
702
703 my ($name) = @_;
704 my $db = BDB::db_create $DB_ENV;
705
706 eval {
707 $db->set_flags (BDB::CHKSUM);
708
709 utf8::encode $name;
710 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
711 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
712 cf::cleanup "db_open(db): $!" if $!;
713 };
714 cf::cleanup "db_open(db): $@" if $@;
715
716 $db
717}
718
719our $DB;
720
721sub db_init {
722 $DB ||= db_table "db";
723}
724
725sub db_get($$) {
726 my $key = "$_[0]/$_[1]";
727
728 cf::error "db_get called from main context"
729 if $Coro::current == $Coro::main;
730
731 BDB::db_get $DB, undef, $key, my $data;
732
733 $! ? ()
734 : $data
735}
736
737sub db_put($$$) {
738 BDB::dbreq_pri 4;
739 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
740}
741
742=item cf::cache $id => [$paths...], $processversion => $process
743
744Generic caching function that returns the value of the resource $id,
745caching and regenerating as required.
746
747This function can block.
748
749=cut
750
751sub cache {
752 my ($id, $src, $processversion, $process) = @_;
753
754 my $meta =
755 join "\x00",
756 $processversion,
757 map {
758 aio_stat $_
759 and Carp::croak "$_: $!";
760
761 ($_, (stat _)[7,9])
762 } @$src;
763
764 my $dbmeta = db_get cache => "$id/meta";
765 if ($dbmeta ne $meta) {
766 # changed, we may need to process
767
768 my @data;
769 my $md5;
770
771 for (0 .. $#$src) {
772 0 <= aio_load $src->[$_], $data[$_]
773 or Carp::croak "$src->[$_]: $!";
774 }
775
776 # if processing is expensive, check
777 # checksum first
778 if (1) {
779 $md5 =
780 join "\x00",
781 $processversion,
782 map {
783 cf::cede_to_tick;
784 ($src->[$_], Digest::MD5::md5_hex $data[$_])
785 } 0.. $#$src;
786
787
788 my $dbmd5 = db_get cache => "$id/md5";
789 if ($dbmd5 eq $md5) {
790 db_put cache => "$id/meta", $meta;
791
792 return db_get cache => "$id/data";
793 }
794 }
795
796 my $t1 = Time::HiRes::time;
797 my $data = $process->(\@data);
798 my $t2 = Time::HiRes::time;
799
800 info "cache: '$id' processed in ", $t2 - $t1, "s\n";
801
802 db_put cache => "$id/data", $data;
803 db_put cache => "$id/md5" , $md5;
804 db_put cache => "$id/meta", $meta;
805
806 return $data;
807 }
808
809 db_get cache => "$id/data"
397} 810}
398 811
399=item cf::datalog type => key => value, ... 812=item cf::datalog type => key => value, ...
400 813
401Log a datalog packet of the given type with the given key-value pairs. 814Log a datalog packet of the given type with the given key-value pairs.
402 815
403=cut 816=cut
404 817
405sub datalog($@) { 818sub datalog($@) {
406 my ($type, %kv) = @_; 819 my ($type, %kv) = @_;
407 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type }); 820 info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408} 821}
409 822
410=back 823=back
411 824
412=cut 825=cut
413 826
414############################################################################# 827#############################################################################
415 828
416=head2 ATTACHABLE OBJECTS 829=head2 ATTACHABLE OBJECTS
417 830
418Many objects in crossfire are so-called attachable objects. That means you can 831Many objects in deliantra are so-called attachable objects. That means you can
419attach callbacks/event handlers (a collection of which is called an "attachment") 832attach callbacks/event handlers (a collection of which is called an "attachment")
420to it. All such attachable objects support the following methods. 833to it. All such attachable objects support the following methods.
421 834
422In the following description, CLASS can be any of C<global>, C<object> 835In the following description, CLASS can be any of C<global>, C<object>
423C<player>, C<client> or C<map> (i.e. the attachable objects in 836C<player>, C<client> or C<map> (i.e. the attachable objects in
424crossfire+). 837Deliantra).
425 838
426=over 4 839=over 4
427 840
428=item $attachable->attach ($attachment, key => $value...) 841=item $attachable->attach ($attachment, key => $value...)
429 842
… …
473=item cf::CLASS::attachment $name, ... 886=item cf::CLASS::attachment $name, ...
474 887
475Register an attachment by C<$name> through which attachable objects of the 888Register an attachment by C<$name> through which attachable objects of the
476given CLASS can refer to this attachment. 889given CLASS can refer to this attachment.
477 890
478Some classes such as crossfire maps and objects can specify attachments 891Some classes such as deliantra maps and objects can specify attachments
479that are attached at load/instantiate time, thus the need for a name. 892that are attached at load/instantiate time, thus the need for a name.
480 893
481These calls expect any number of the following handler/hook descriptions: 894These calls expect any number of the following handler/hook descriptions:
482 895
483=over 4 896=over 4
… …
592 $registry = $CB_TYPE[$object_type] ||= []; 1005 $registry = $CB_TYPE[$object_type] ||= [];
593 1006
594 } elsif ($type eq "subtype") { 1007 } elsif ($type eq "subtype") {
595 defined $object_type or Carp::croak "subtype specified without type"; 1008 defined $object_type or Carp::croak "subtype specified without type";
596 my $object_subtype = shift @arg; 1009 my $object_subtype = shift @arg;
597 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 1010 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598 1011
599 } elsif ($type eq "package") { 1012 } elsif ($type eq "package") {
600 my $pkg = shift @arg; 1013 my $pkg = shift @arg;
601 1014
602 while (my ($name, $id) = each %cb_id) { 1015 while (my ($name, $id) = each %cb_id) {
… …
607 1020
608 } elsif (exists $cb_id{$type}) { 1021 } elsif (exists $cb_id{$type}) {
609 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg; 1022 _attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610 1023
611 } elsif (ref $type) { 1024 } elsif (ref $type) {
612 warn "attaching objects not supported, ignoring.\n"; 1025 error "attaching objects not supported, ignoring.\n";
613 1026
614 } else { 1027 } else {
615 shift @arg; 1028 shift @arg;
616 warn "attach argument '$type' not supported, ignoring.\n"; 1029 error "attach argument '$type' not supported, ignoring.\n";
617 } 1030 }
618 } 1031 }
619} 1032}
620 1033
621sub _object_attach { 1034sub _object_attach {
… …
631 _attach $registry, $klass, @attach; 1044 _attach $registry, $klass, @attach;
632 } 1045 }
633 1046
634 $obj->{$name} = \%arg; 1047 $obj->{$name} = \%arg;
635 } else { 1048 } else {
636 warn "object uses attachment '$name' that is not available, postponing.\n"; 1049 info "object uses attachment '$name' which is not available, postponing.\n";
637 } 1050 }
638 1051
639 $obj->{_attachment}{$name} = undef; 1052 $obj->{_attachment}{$name} = undef;
640} 1053}
641 1054
… …
643 if (ref $_[0]) { 1056 if (ref $_[0]) {
644 _object_attach @_; 1057 _object_attach @_;
645 } else { 1058 } else {
646 _attach shift->_attach_registry, @_; 1059 _attach shift->_attach_registry, @_;
647 } 1060 }
1061 _recalc_want;
648}; 1062};
649 1063
650# all those should be optimised 1064# all those should be optimised
651sub cf::attachable::detach { 1065sub cf::attachable::detach {
652 my ($obj, $name) = @_; 1066 my ($obj, $name) = @_;
… …
655 delete $obj->{_attachment}{$name}; 1069 delete $obj->{_attachment}{$name};
656 reattach ($obj); 1070 reattach ($obj);
657 } else { 1071 } else {
658 Carp::croak "cannot, currently, detach class attachments"; 1072 Carp::croak "cannot, currently, detach class attachments";
659 } 1073 }
1074 _recalc_want;
660}; 1075};
661 1076
662sub cf::attachable::attached { 1077sub cf::attachable::attached {
663 my ($obj, $name) = @_; 1078 my ($obj, $name) = @_;
664 1079
… …
679 "; 1094 ";
680 die if $@; 1095 die if $@;
681} 1096}
682 1097
683our $override; 1098our $override;
684our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1099our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
685 1100
686sub override { 1101sub override {
687 $override = 1; 1102 $override = 1;
688 @invoke_results = (); 1103 @INVOKE_RESULTS = (@_);
689} 1104}
690 1105
691sub do_invoke { 1106sub do_invoke {
692 my $event = shift; 1107 my $event = shift;
693 my $callbacks = shift; 1108 my $callbacks = shift;
694 1109
695 @invoke_results = (); 1110 @INVOKE_RESULTS = ();
696 1111
697 local $override; 1112 local $override;
698 1113
699 for (@$callbacks) { 1114 for (@$callbacks) {
700 eval { &{$_->[1]} }; 1115 eval { &{$_->[1]} };
701 1116
702 if ($@) { 1117 if ($@) {
703 warn "$@";
704 warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n"; 1118 error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705 override; 1119 override;
706 } 1120 }
707 1121
708 return 1 if $override; 1122 return 1 if $override;
709 } 1123 }
710 1124
711 0 1125 0
712} 1126}
713 1127
714=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1128=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715 1129
716=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1130=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717 1131
718Generate an object-specific event with the given arguments. 1132Generate an object-specific event with the given arguments.
719 1133
720This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1134This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
721removed in future versions), and there is no public API to access override 1135removed in future versions), and there is no public API to access override
722results (if you must, access C<@cf::invoke_results> directly). 1136results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723 1137
724=back 1138=back
725 1139
726=cut 1140=cut
727 1141
728############################################################################# 1142#############################################################################
729# object support 1143# object support
1144
1145sub _object_equal($$);
1146sub _object_equal($$) {
1147 my ($a, $b) = @_;
1148
1149 return 0 unless (ref $a) eq (ref $b);
1150
1151 if ("HASH" eq ref $a) {
1152 my @ka = keys %$a;
1153 my @kb = keys %$b;
1154
1155 return 0 if @ka != @kb;
1156
1157 for (0 .. $#ka) {
1158 return 0 unless $ka[$_] eq $kb[$_];
1159 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1160 }
1161
1162 } elsif ("ARRAY" eq ref $a) {
1163
1164 return 0 if @$a != @$b;
1165
1166 for (0 .. $#$a) {
1167 return 0 unless _object_equal $a->[$_], $b->[$_];
1168 }
1169
1170 } elsif ($a ne $b) {
1171 return 0;
1172 }
1173
1174 1
1175}
1176
1177our $SLOW_MERGES;#d#
1178sub _can_merge {
1179 my ($ob1, $ob2) = @_;
1180
1181 ++$SLOW_MERGES;#d#
1182
1183 # we do the slow way here
1184 return _object_equal $ob1, $ob2
1185}
730 1186
731sub reattach { 1187sub reattach {
732 # basically do the same as instantiate, without calling instantiate 1188 # basically do the same as instantiate, without calling instantiate
733 my ($obj) = @_; 1189 my ($obj) = @_;
734 1190
1191 # no longer needed after getting rid of delete_package?
735 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1192 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
736 1193
737 my $registry = $obj->registry; 1194 my $registry = $obj->registry;
738 1195
739 @$registry = (); 1196 @$registry = ();
740 1197
… …
745 for (@$attach) { 1202 for (@$attach) {
746 my ($klass, @attach) = @$_; 1203 my ($klass, @attach) = @$_;
747 _attach $registry, $klass, @attach; 1204 _attach $registry, $klass, @attach;
748 } 1205 }
749 } else { 1206 } else {
750 warn "object uses attachment '$name' that is not available, postponing.\n"; 1207 info "object uses attachment '$name' that is not available, postponing.\n";
751 } 1208 }
752 } 1209 }
753} 1210}
754 1211
755cf::attachable->attach ( 1212cf::attachable->attach (
756 prio => -1000000, 1213 prio => -1000000,
757 on_instantiate => sub { 1214 on_instantiate => sub {
758 my ($obj, $data) = @_; 1215 my ($obj, $data) = @_;
759 1216
760 $data = from_json $data; 1217 $data = decode_json $data;
761 1218
762 for (@$data) { 1219 for (@$data) {
763 my ($name, $args) = @$_; 1220 my ($name, $args) = @$_;
764 1221
765 $obj->attach ($name, %{$args || {} }); 1222 $obj->attach ($name, %{$args || {} });
… …
781sub object_freezer_save { 1238sub object_freezer_save {
782 my ($filename, $rdata, $objs) = @_; 1239 my ($filename, $rdata, $objs) = @_;
783 1240
784 sync_job { 1241 sync_job {
785 if (length $$rdata) { 1242 if (length $$rdata) {
1243 utf8::decode (my $decname = $filename);
786 warn sprintf "saving %s (%d,%d)\n", 1244 trace sprintf "saving %s (%d,%d)\n",
787 $filename, length $$rdata, scalar @$objs; 1245 $decname, length $$rdata, scalar @$objs
1246 if $VERBOSE_IO;
788 1247
789 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1248 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790 chmod SAVE_MODE, $fh; 1249 aio_chmod $fh, SAVE_MODE;
791 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1250 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792 aio_fsync $fh if $cf::USE_FSYNC; 1251 if ($cf::USE_FSYNC) {
1252 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1253 aio_fsync $fh;
1254 }
793 close $fh; 1255 aio_close $fh;
794 1256
795 if (@$objs) { 1257 if (@$objs) {
796 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1258 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
797 chmod SAVE_MODE, $fh; 1259 aio_chmod $fh, SAVE_MODE;
798 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1260 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799 aio_write $fh, 0, (length $data), $data, 0; 1261 aio_write $fh, 0, (length $data), $data, 0;
800 aio_fsync $fh if $cf::USE_FSYNC; 1262 if ($cf::USE_FSYNC) {
1263 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
1264 aio_fsync $fh;
1265 }
801 close $fh; 1266 aio_close $fh;
802 aio_rename "$filename.pst~", "$filename.pst"; 1267 aio_rename "$filename.pst~", "$filename.pst";
803 } 1268 }
804 } else { 1269 } else {
805 aio_unlink "$filename.pst"; 1270 aio_unlink "$filename.pst";
806 } 1271 }
807 1272
808 aio_rename "$filename~", $filename; 1273 aio_rename "$filename~", $filename;
1274
1275 $filename =~ s%/[^/]+$%%;
1276 aio_pathsync $filename if $cf::USE_FSYNC;
809 } else { 1277 } else {
810 warn "FATAL: $filename~: $!\n"; 1278 error "unable to save objects: $filename~: $!\n";
811 } 1279 }
812 } else { 1280 } else {
813 aio_unlink $filename; 1281 aio_unlink $filename;
814 aio_unlink "$filename.pst"; 1282 aio_unlink "$filename.pst";
815 } 1283 }
816 } 1284 };
817} 1285}
818 1286
819sub object_freezer_as_string { 1287sub object_freezer_as_string {
820 my ($rdata, $objs) = @_; 1288 my ($rdata, $objs) = @_;
821 1289
… …
833 or return; 1301 or return;
834 1302
835 unless (aio_stat "$filename.pst") { 1303 unless (aio_stat "$filename.pst") {
836 (aio_load "$filename.pst", $av) >= 0 1304 (aio_load "$filename.pst", $av) >= 0
837 or return; 1305 or return;
1306
838 $av = eval { (Storable::thaw $av)->{objs} }; 1307 my $st = eval { Coro::Storable::thaw $av };
1308 $av = $st->{objs};
839 } 1309 }
840 1310
1311 utf8::decode (my $decname = $filename);
841 warn sprintf "loading %s (%d)\n", 1312 trace sprintf "loading %s (%d,%d)\n",
842 $filename, length $data, scalar @{$av || []};#d# 1313 $decname, length $data, scalar @{$av || []}
1314 if $VERBOSE_IO;
1315
843 return ($data, $av); 1316 ($data, $av)
844} 1317}
1318
1319=head2 COMMAND CALLBACKS
1320
1321=over 4
1322
1323=cut
845 1324
846############################################################################# 1325#############################################################################
847# command handling &c 1326# command handling &c
848 1327
849=item cf::register_command $name => \&callback($ob,$args); 1328=item cf::register_command $name => \&callback($ob,$args);
… …
862 push @{ $COMMAND{$name} }, [$caller, $cb]; 1341 push @{ $COMMAND{$name} }, [$caller, $cb];
863} 1342}
864 1343
865=item cf::register_extcmd $name => \&callback($pl,$packet); 1344=item cf::register_extcmd $name => \&callback($pl,$packet);
866 1345
867Register a callbackf ro execution when the client sends an extcmd packet. 1346Register a callback for execution when the client sends an (synchronous)
1347extcmd packet. Ext commands will be processed in the order they are
1348received by the server, like other user commands. The first argument is
1349the logged-in player. Ext commands can only be processed after a player
1350has logged in successfully.
868 1351
869If the callback returns something, it is sent back as if reply was being 1352If the callback returns something, it is sent back as if reply was being
870called. 1353called.
871 1354
1355=item cf::register_exticmd $name => \&callback($ns,$packet);
1356
1357Register a callback for execution when the client sends an (asynchronous)
1358exticmd packet. Exti commands are processed by the server as soon as they
1359are received, i.e. out of order w.r.t. other commands. The first argument
1360is a client socket. Exti commands can be received anytime, even before
1361log-in.
1362
1363If the callback returns something, it is sent back as if reply was being
1364called.
1365
872=cut 1366=cut
873 1367
874sub register_extcmd { 1368sub register_extcmd {
875 my ($name, $cb) = @_; 1369 my ($name, $cb) = @_;
876 1370
877 $EXTCMD{$name} = $cb; 1371 $EXTCMD{$name} = $cb;
878} 1372}
879 1373
1374sub register_exticmd {
1375 my ($name, $cb) = @_;
1376
1377 $EXTICMD{$name} = $cb;
1378}
1379
1380use File::Glob ();
1381
880cf::player->attach ( 1382cf::player->attach (
881 on_command => sub { 1383 on_unknown_command => sub {
882 my ($pl, $name, $params) = @_; 1384 my ($pl, $name, $params) = @_;
883 1385
884 my $cb = $COMMAND{$name} 1386 my $cb = $COMMAND{$name}
885 or return; 1387 or return;
886 1388
… …
891 cf::override; 1393 cf::override;
892 }, 1394 },
893 on_extcmd => sub { 1395 on_extcmd => sub {
894 my ($pl, $buf) = @_; 1396 my ($pl, $buf) = @_;
895 1397
896 my $msg = eval { from_json $buf }; 1398 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897 1399
898 if (ref $msg) { 1400 if (ref $msg) {
1401 my ($type, $reply, @payload) =
1402 "ARRAY" eq ref $msg
1403 ? @$msg
1404 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1405
1406 my @reply;
1407
899 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1408 if (my $cb = $EXTCMD{$type}) {
900 if (my %reply = $cb->($pl, $msg)) { 1409 @reply = $cb->($pl, @payload);
901 $pl->ext_reply ($msg->{msgid}, %reply);
902 }
903 } 1410 }
1411
1412 $pl->ext_reply ($reply, @reply)
1413 if $reply;
1414
904 } else { 1415 } else {
905 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1416 error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906 } 1417 }
907 1418
908 cf::override; 1419 cf::override;
909 }, 1420 },
910); 1421);
911 1422
1423# "readahead" all extensions
912sub load_extension { 1424sub cache_extensions {
913 my ($path) = @_; 1425 my $grp = IO::AIO::aio_group;
914 1426
915 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1427 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916 my $base = $1; 1428 for (grep /\.ext$/, @{$_[0]}) {
917 my $pkg = $1; 1429 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918 $pkg =~ s/[^[:word:]]/_/g;
919 $pkg = "ext::$pkg";
920
921 warn "... loading '$path' into '$pkg'\n";
922
923 open my $fh, "<:utf8", $path
924 or die "$path: $!";
925
926 my $source =
927 "package $pkg; use strict; use utf8;\n"
928 . "#line 1 \"$path\"\n{\n"
929 . (do { local $/; <$fh> })
930 . "\n};\n1";
931
932 unless (eval $source) {
933 my $msg = $@ ? "$path: $@\n"
934 : "extension disabled.\n";
935 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936 warn $@;
937 warn "mandatory extension failed to load, exiting.\n";
938 exit 1;
939 } 1430 }
940 die $@;
941 } 1431 };
942 1432
943 push @EXTS, $pkg; 1433 $grp
944} 1434}
945 1435
946sub load_extensions { 1436sub load_extensions {
1437 info "loading extensions...";
1438
1439 cf::sync_job {
1440 my %todo;
1441
947 for my $ext (<$LIBDIR/*.ext>) { 1442 for my $path (<$LIBDIR/*.ext>) {
948 next unless -r $ext; 1443 next unless -r $path;
949 eval { 1444
950 load_extension $ext; 1445 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1446 my $base = $1;
1447 my $pkg = $1;
1448 $pkg =~ s/[^[:word:]]/_/g;
1449 $pkg = "ext::$pkg";
1450
1451 open my $fh, "<:utf8", $path
1452 or die "$path: $!";
1453
1454 my $source = do { local $/; <$fh> };
1455
1456 my %ext = (
1457 path => $path,
1458 base => $base,
1459 pkg => $pkg,
1460 );
1461
1462 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1463 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1464
1465 $ext{source} =
1466 "package $pkg; use common::sense;\n"
1467 . "#line 1 \"$path\"\n{\n"
1468 . $source
1469 . "\n};\n1";
1470
1471 $todo{$base} = \%ext;
1472 }
1473
1474 my $pass = 0;
1475 my %done;
1476 while (%todo) {
1477 my $progress;
1478
1479 ++$pass;
1480
1481 ext:
1482 while (my ($k, $v) = each %todo) {
1483 for (split /,\s*/, $v->{meta}{depends}) {
1484 next ext
1485 unless exists $done{$_};
1486 }
1487
1488 trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1489
1490 my $active = eval $v->{source};
1491
1492 if (length $@) {
1493 error "$v->{path}: $@\n";
1494
1495 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1496 if exists $v->{meta}{mandatory};
1497
1498 warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1499 delete $todo{$k};
1500 } else {
1501 $done{$k} = delete $todo{$k};
1502 push @EXTS, $v->{pkg};
1503 $progress = 1;
1504
1505 info "$v->{base}: extension inactive.\n"
1506 unless $active;
1507 }
951 1 1508 }
952 } or warn "$ext not loaded: $@"; 1509
1510 unless ($progress) {
1511 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1512
1513 while (my ($k, $v) = each %todo) {
1514 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1515 if exists $v->{meta}{mandatory};
1516 }
1517 }
1518 }
953 } 1519 };
954} 1520}
955 1521
956############################################################################# 1522#############################################################################
957 1523
1524=back
1525
958=head2 CORE EXTENSIONS 1526=head2 CORE EXTENSIONS
959 1527
960Functions and methods that extend core crossfire objects. 1528Functions and methods that extend core deliantra objects.
961 1529
962=cut 1530=cut
963 1531
964package cf::player; 1532package cf::player;
965 1533
966use Coro::AIO; 1534use Coro::AIO;
967 1535
968=head3 cf::player 1536=head3 cf::player
969 1537
970=over 4 1538=over 4
1539
1540=item cf::player::num_playing
1541
1542Returns the official number of playing players, as per the Crossfire metaserver rules.
1543
1544=cut
1545
1546sub num_playing {
1547 scalar grep
1548 $_->ob->map
1549 && !$_->hidden
1550 && !$_->ob->flag (cf::FLAG_WIZ),
1551 cf::player::list
1552}
971 1553
972=item cf::player::find $login 1554=item cf::player::find $login
973 1555
974Returns the given player object, loading it if necessary (might block). 1556Returns the given player object, loading it if necessary (might block).
975 1557
… …
994 1576
995sub exists($) { 1577sub exists($) {
996 my ($login) = @_; 1578 my ($login) = @_;
997 1579
998 $cf::PLAYER{$login} 1580 $cf::PLAYER{$login}
999 or cf::sync_job { !aio_stat path $login } 1581 or !aio_stat path $login
1000} 1582}
1001 1583
1002sub find($) { 1584sub find($) {
1003 return $cf::PLAYER{$_[0]} || do { 1585 return $cf::PLAYER{$_[0]} || do {
1004 my $login = $_[0]; 1586 my $login = $_[0];
… …
1011 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1593 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1594 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1595 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014 aio_unlink +(playerdir $login) . "/$login.pl"; 1596 aio_unlink +(playerdir $login) . "/$login.pl";
1015 1597
1016 my $pl = load_pl path $login 1598 my $f = new_from_file cf::object::thawer path $login
1017 or return; 1599 or return;
1600
1601 my $pl = cf::player::load_pl $f
1602 or return;
1603
1604 local $cf::PLAYER_LOADING{$login} = $pl;
1605 $f->resolve_delayed_derefs;
1018 $cf::PLAYER{$login} = $pl 1606 $cf::PLAYER{$login} = $pl
1019 } 1607 }
1020 } 1608 }
1021} 1609}
1610
1611cf::player->attach (
1612 on_load => sub {
1613 my ($pl, $path) = @_;
1614
1615 # restore slots saved in save, below
1616 my $slots = delete $pl->{_slots};
1617
1618 $pl->ob->current_weapon ($slots->[0]);
1619 $pl->combat_ob ($slots->[1]);
1620 $pl->ranged_ob ($slots->[2]);
1621 },
1622);
1022 1623
1023sub save($) { 1624sub save($) {
1024 my ($pl) = @_; 1625 my ($pl) = @_;
1025 1626
1026 return if $pl->{deny_save}; 1627 return if $pl->{deny_save};
… …
1031 return if $pl->{deny_save}; 1632 return if $pl->{deny_save};
1032 1633
1033 aio_mkdir playerdir $pl, 0770; 1634 aio_mkdir playerdir $pl, 0770;
1034 $pl->{last_save} = $cf::RUNTIME; 1635 $pl->{last_save} = $cf::RUNTIME;
1035 1636
1637 cf::get_slot 0.01;
1638
1639 # save slots, to be restored later
1640 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1641
1036 $pl->save_pl ($path); 1642 $pl->save_pl ($path);
1037 Coro::cede; 1643 cf::cede_to_tick;
1038} 1644}
1039 1645
1040sub new($) { 1646sub new($) {
1041 my ($login) = @_; 1647 my ($login) = @_;
1042 1648
… …
1048 $cf::PLAYER{$login} = $self; 1654 $cf::PLAYER{$login} = $self;
1049 1655
1050 $self 1656 $self
1051} 1657}
1052 1658
1659=item $player->send_msg ($channel, $msg, $color, [extra...])
1660
1661=cut
1662
1663sub send_msg {
1664 my $ns = shift->ns
1665 or return;
1666 $ns->send_msg (@_);
1667}
1668
1053=item $pl->quit_character 1669=item $pl->quit_character
1054 1670
1055Nukes the player without looking back. If logged in, the connection will 1671Nukes the player without looking back. If logged in, the connection will
1056be destroyed. May block for a long time. 1672be destroyed. May block for a long time.
1057 1673
… …
1061 my ($pl) = @_; 1677 my ($pl) = @_;
1062 1678
1063 my $name = $pl->ob->name; 1679 my $name = $pl->ob->name;
1064 1680
1065 $pl->{deny_save} = 1; 1681 $pl->{deny_save} = 1;
1066 $pl->password ("*"); # this should lock out the player until we nuked the dir 1682 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1067 1683
1068 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1684 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069 $pl->deactivate; 1685 $pl->deactivate;
1686
1687 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1688 $pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
1689 ext::highscore::check ($pl->ob);
1690
1071 $pl->ns->destroy if $pl->ns; 1691 $pl->ns->destroy if $pl->ns;
1072 1692
1073 my $path = playerdir $pl; 1693 my $path = playerdir $pl;
1074 my $temp = "$path~$cf::RUNTIME~deleting~"; 1694 my $temp = "$path~$cf::RUNTIME~deleting~";
1075 aio_rename $path, $temp; 1695 aio_rename $path, $temp;
… …
1110 or return []; 1730 or return [];
1111 1731
1112 my @logins; 1732 my @logins;
1113 1733
1114 for my $login (@$dirs) { 1734 for my $login (@$dirs) {
1735 my $path = path $login;
1736
1737 # a .pst is a dead give-away for a valid player
1738 # if no pst file found, open and chekc for blocked users
1739 if (aio_stat "$path.pst") {
1115 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1740 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116 aio_read $fh, 0, 512, my $buf, 0 or next; 1741 aio_read $fh, 0, 512, my $buf, 0 or next;
1117 $buf !~ /^password -------------$/m or next; # official not-valid tag 1742 $buf !~ /^password -------------$/m or next; # official not-valid tag
1743 }
1118 1744
1119 utf8::decode $login; 1745 utf8::decode $login;
1120 push @logins, $login; 1746 push @logins, $login;
1121 } 1747 }
1122 1748
1123 \@logins 1749 \@logins
1124} 1750}
1125 1751
1126=item $player->maps 1752=item $player->maps
1753
1754=item cf::player::maps $login
1127 1755
1128Returns an arrayref of map paths that are private for this 1756Returns an arrayref of map paths that are private for this
1129player. May block. 1757player. May block.
1130 1758
1131=cut 1759=cut
… …
1149 } 1777 }
1150 1778
1151 \@paths 1779 \@paths
1152} 1780}
1153 1781
1782=item $protocol_xml = $player->expand_cfpod ($cfpod)
1783
1784Expand deliantra pod fragments into protocol xml.
1785
1154=item $player->ext_reply ($msgid, %msg) 1786=item $player->ext_reply ($msgid, @msg)
1155 1787
1156Sends an ext reply to the player. 1788Sends an ext reply to the player.
1157 1789
1158=cut 1790=cut
1159 1791
1160sub ext_reply($$%) { 1792sub ext_reply($$@) {
1161 my ($self, $id, %msg) = @_; 1793 my ($self, $id, @msg) = @_;
1162 1794
1163 $msg{msgid} = $id; 1795 $self->ns->ext_reply ($id, @msg)
1164
1165 $self->send ("ext " . cf::to_json \%msg);
1166} 1796}
1167 1797
1168=item $player->ext_event ($type, %msg) 1798=item $player->ext_msg ($type, @msg)
1169 1799
1170Sends an ext event to the client. 1800Sends an ext event to the client.
1171 1801
1172=cut 1802=cut
1173 1803
1174sub ext_event($$%) { 1804sub ext_msg($$@) {
1175 my ($self, $type, %msg) = @_; 1805 my ($self, $type, @msg) = @_;
1176 1806
1177 $self->ns->ext_event ($type, %msg); 1807 $self->ns->ext_msg ($type, @msg);
1178} 1808}
1179 1809
1180=head3 cf::region 1810=head3 cf::region
1181 1811
1182=over 4 1812=over 4
… …
1185 1815
1186package cf::region; 1816package cf::region;
1187 1817
1188=item cf::region::find_by_path $path 1818=item cf::region::find_by_path $path
1189 1819
1190Tries to decuce the probable region for a map knowing only its path. 1820Tries to decuce the likely region for a map knowing only its path.
1191 1821
1192=cut 1822=cut
1193 1823
1194sub find_by_path($) { 1824sub find_by_path($) {
1195 my ($path) = @_; 1825 my ($path) = @_;
1196 1826
1827 $path =~ s/^~[^\/]*//; # skip ~login
1828
1197 my ($match, $specificity); 1829 my ($match, $specificity);
1198 1830
1199 for my $region (list) { 1831 for my $region (list) {
1200 if ($region->match && $path =~ $region->match) { 1832 if ($region->{match} && $path =~ $region->{match}) {
1201 ($match, $specificity) = ($region, $region->specificity) 1833 ($match, $specificity) = ($region, $region->specificity)
1202 if $region->specificity > $specificity; 1834 if $region->specificity > $specificity;
1203 } 1835 }
1204 } 1836 }
1205 1837
… …
1226our $MAX_RESET = 3600; 1858our $MAX_RESET = 3600;
1227our $DEFAULT_RESET = 3000; 1859our $DEFAULT_RESET = 3000;
1228 1860
1229sub generate_random_map { 1861sub generate_random_map {
1230 my ($self, $rmp) = @_; 1862 my ($self, $rmp) = @_;
1863
1864 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1865
1231 # mit "rum" bekleckern, nicht 1866 # mit "rum" bekleckern, nicht
1232 $self->_create_random_map ( 1867 $self->_create_random_map (
1233 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1868 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1869 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1235 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1870 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236 $rmp->{exit_on_final_map}, 1871 $rmp->{exit_on_final_map},
1237 $rmp->{xsize}, $rmp->{ysize}, 1872 $rmp->{xsize}, $rmp->{ysize},
1238 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1873 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1874 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1254 1889
1255sub register { 1890sub register {
1256 my (undef, $regex, $prio) = @_; 1891 my (undef, $regex, $prio) = @_;
1257 my $pkg = caller; 1892 my $pkg = caller;
1258 1893
1259 no strict;
1260 push @{"$pkg\::ISA"}, __PACKAGE__; 1894 push @{"$pkg\::ISA"}, __PACKAGE__;
1261 1895
1262 $EXT_MAP{$pkg} = [$prio, qr<$regex>]; 1896 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263} 1897}
1264 1898
1265# also paths starting with '/' 1899# also paths starting with '/'
1266$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}]; 1900$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267 1901
1268sub thawer_merge { 1902sub thawer_merge {
1269 my ($self, $merge) = @_; 1903 my ($self, $merge) = @_;
1270 1904
1271 # we have to keep some variables in memory intact 1905 # we have to keep some variables in memory intact
1272 local $self->{path}; 1906 local $self->{path};
1273 local $self->{load_path}; 1907 local $self->{load_path};
1274 local $self->{deny_save};
1275 local $self->{deny_reset};
1276 1908
1277 $self->SUPER::thawer_merge ($merge); 1909 $self->SUPER::thawer_merge ($merge);
1278} 1910}
1279 1911
1280sub normalise { 1912sub normalise {
1281 my ($path, $base) = @_; 1913 my ($path, $base) = @_;
1282 1914
1283 $path = "$path"; # make sure its a string 1915 $path = "$path"; # make sure it's a string
1284 1916
1285 $path =~ s/\.map$//; 1917 $path =~ s/\.map$//;
1286 1918
1287 # map plan: 1919 # map plan:
1288 # 1920 #
… …
1303 $base =~ s{[^/]+/?$}{}; 1935 $base =~ s{[^/]+/?$}{};
1304 $path = "$base/$path"; 1936 $path = "$base/$path";
1305 } 1937 }
1306 1938
1307 for ($path) { 1939 for ($path) {
1308 redo if s{//}{/};
1309 redo if s{/\.?/}{/}; 1940 redo if s{/\.?/}{/};
1310 redo if s{/[^/]+/\.\./}{/}; 1941 redo if s{/[^/]+/\.\./}{/};
1311 } 1942 }
1312 1943
1313 $path 1944 $path
… …
1327 $self->init; # pass $1 etc. 1958 $self->init; # pass $1 etc.
1328 return $self; 1959 return $self;
1329 } 1960 }
1330 } 1961 }
1331 1962
1332 Carp::carp "unable to resolve path '$path' (base '$base')."; 1963 Carp::cluck "unable to resolve path '$path' (base '$base')";
1333 () 1964 ()
1334} 1965}
1335 1966
1336sub init { 1967sub init {
1337 my ($self) = @_; 1968 my ($self) = @_;
… …
1359 1990
1360# the temporary/swap location 1991# the temporary/swap location
1361sub save_path { 1992sub save_path {
1362 my ($self) = @_; 1993 my ($self) = @_;
1363 1994
1364 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1995 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365 "$TMPDIR/$path.map" 1996 "$TMPDIR/$path.map"
1366} 1997}
1367 1998
1368# the unique path, undef == no special unique path 1999# the unique path, undef == no special unique path
1369sub uniq_path { 2000sub uniq_path {
1370 my ($self) = @_; 2001 my ($self) = @_;
1371 2002
1372 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 2003 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373 "$UNIQUEDIR/$path" 2004 "$UNIQUEDIR/$path"
1374} 2005}
1375 2006
1376# and all this just because we cannot iterate over 2007sub decay_objects {
1377# all maps in C++...
1378sub change_all_map_light {
1379 my ($change) = @_; 2008 my ($self) = @_;
1380 2009
1381 $_->change_map_light ($change) 2010 return if $self->{deny_reset};
1382 for grep $_->outdoor, values %cf::MAP; 2011
2012 $self->do_decay_objects;
1383} 2013}
1384 2014
1385sub unlink_save { 2015sub unlink_save {
1386 my ($self) = @_; 2016 my ($self) = @_;
1387 2017
… …
1392 2022
1393sub load_header_from($) { 2023sub load_header_from($) {
1394 my ($self, $path) = @_; 2024 my ($self, $path) = @_;
1395 2025
1396 utf8::encode $path; 2026 utf8::encode $path;
1397 #aio_open $path, O_RDONLY, 0 2027 my $f = new_from_file cf::object::thawer $path
1398 # or return;
1399
1400 $self->_load_header ($path)
1401 or return; 2028 or return;
2029
2030 $self->_load_header ($f)
2031 or return;
2032
2033 local $MAP_LOADING{$self->{path}} = $self;
2034 $f->resolve_delayed_derefs;
1402 2035
1403 $self->{load_path} = $path; 2036 $self->{load_path} = $path;
1404 2037
1405 1 2038 1
1406} 2039}
… …
1445 $self->load_header_orig 2078 $self->load_header_orig
1446 or return; 2079 or return;
1447 $self->prepare_orig; 2080 $self->prepare_orig;
1448 } 2081 }
1449 2082
2083 $self->{deny_reset} = 1
2084 if $self->no_reset;
2085
1450 $self->default_region (cf::region::find_by_path $self->{path}) 2086 $self->default_region (cf::region::find_by_path $self->{path})
1451 unless $self->default_region; 2087 unless $self->default_region;
1452 2088
1453 1 2089 1
1454} 2090}
1455 2091
1456sub find; 2092sub find;
1457sub find { 2093sub find {
1458 my ($path, $origin) = @_; 2094 my ($path, $origin) = @_;
1459 2095
2096 cf::cede_to_tick;
2097
1460 $path = normalise $path, $origin && $origin->path; 2098 $path = normalise $path, $origin && $origin->path;
1461 2099
2100 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462 cf::lock_wait "map_find:$path"; 2101 my $guard2 = cf::lock_acquire "map_find:$path";
1463 2102
1464 $cf::MAP{$path} || do { 2103 $cf::MAP{$path} || do {
1465 my $guard = cf::lock_acquire "map_find:$path";
1466 my $map = new_from_path cf::map $path 2104 my $map = new_from_path cf::map $path
1467 or return; 2105 or return;
1468 2106
1469 $map->{last_save} = $cf::RUNTIME; 2107 $map->{last_save} = $cf::RUNTIME;
1470 2108
1471 $map->load_header 2109 $map->load_header
1472 or return; 2110 or return;
1473 2111
1474 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2112 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475 # doing this can freeze the server in a sync job, obviously 2113 # doing this can freeze the server in a sync job, obviously
1476 #$cf::WAIT_FOR_TICK->wait; 2114 #$cf::WAIT_FOR_TICK->wait;
2115 undef $guard2;
2116 undef $guard1;
1477 $map->reset; 2117 $map->reset;
1478 undef $guard;
1479 return find $path; 2118 return find $path;
1480 } 2119 }
1481 2120
1482 $cf::MAP{$path} = $map 2121 $cf::MAP{$path} = $map
1483 } 2122 }
1484} 2123}
1485 2124
1486sub pre_load { } 2125sub pre_load { }
1487sub post_load { } 2126#sub post_load { } # XS
1488 2127
1489sub load { 2128sub load {
1490 my ($self) = @_; 2129 my ($self) = @_;
1491 2130
1492 local $self->{deny_reset} = 1; # loading can take a long time 2131 local $self->{deny_reset} = 1; # loading can take a long time
1493 2132
1494 my $path = $self->{path}; 2133 my $path = $self->{path};
1495 2134
1496 { 2135 {
1497 my $guard = cf::lock_acquire "map_load:$path"; 2136 my $guard = cf::lock_acquire "map_data:$path";
1498 2137
2138 return unless $self->valid;
1499 return if $self->in_memory != cf::MAP_SWAPPED; 2139 return unless $self->in_memory == cf::MAP_SWAPPED;
1500 2140
1501 $self->in_memory (cf::MAP_LOADING); 2141 $self->in_memory (cf::MAP_LOADING);
1502 2142
1503 $self->alloc; 2143 $self->alloc;
1504 2144
1505 $self->pre_load; 2145 $self->pre_load;
1506 Coro::cede; 2146 cf::cede_to_tick;
1507 2147
2148 my $f = new_from_file cf::object::thawer $self->{load_path};
2149 $f->skip_block;
1508 $self->_load_objects ($self->{load_path}, 1) 2150 $self->_load_objects ($f)
1509 or return; 2151 or return;
1510 2152
1511 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2153 $self->post_load_original
1512 if delete $self->{load_original}; 2154 if delete $self->{load_original};
1513 2155
1514 if (my $uniq = $self->uniq_path) { 2156 if (my $uniq = $self->uniq_path) {
1515 utf8::encode $uniq; 2157 utf8::encode $uniq;
1516 if (aio_open $uniq, O_RDONLY, 0) { 2158 unless (aio_stat $uniq) {
2159 if (my $f = new_from_file cf::object::thawer $uniq) {
1517 $self->clear_unique_items; 2160 $self->clear_unique_items;
1518 $self->_load_objects ($uniq, 0); 2161 $self->_load_objects ($f);
2162 $f->resolve_delayed_derefs;
2163 }
1519 } 2164 }
1520 } 2165 }
1521 2166
1522 Coro::cede; 2167 $f->resolve_delayed_derefs;
2168
2169 cf::cede_to_tick;
1523 # now do the right thing for maps 2170 # now do the right thing for maps
1524 $self->link_multipart_objects; 2171 $self->link_multipart_objects;
1525 $self->difficulty ($self->estimate_difficulty) 2172 $self->difficulty ($self->estimate_difficulty)
1526 unless $self->difficulty; 2173 unless $self->difficulty;
1527 Coro::cede; 2174 cf::cede_to_tick;
1528 2175
1529 unless ($self->{deny_activate}) { 2176 unless ($self->{deny_activate}) {
1530 $self->decay_objects; 2177 $self->decay_objects;
1531 $self->fix_auto_apply; 2178 $self->fix_auto_apply;
1532 $self->update_buttons; 2179 $self->update_buttons;
1533 Coro::cede; 2180 cf::cede_to_tick;
1534 $self->set_darkness_map;
1535 Coro::cede;
1536 $self->activate; 2181 $self->activate;
1537 } 2182 }
1538 2183
2184 $self->{last_save} = $cf::RUNTIME;
2185 $self->last_access ($cf::RUNTIME);
2186
1539 $self->in_memory (cf::MAP_IN_MEMORY); 2187 $self->in_memory (cf::MAP_ACTIVE);
1540 } 2188 }
1541 2189
1542 $self->post_load; 2190 $self->post_load;
1543}
1544 2191
2192 1
2193}
2194
2195# customize the map for a given player, i.e.
2196# return the _real_ map. used by e.g. per-player
2197# maps to change the path to ~playername/mappath
1545sub customise_for { 2198sub customise_for {
1546 my ($self, $ob) = @_; 2199 my ($self, $ob) = @_;
1547 2200
1548 return find "~" . $ob->name . "/" . $self->{path} 2201 return find "~" . $ob->name . "/" . $self->{path}
1549 if $self->per_player; 2202 if $self->per_player;
1550 2203
2204# return find "?party/" . $ob->name . "/" . $self->{path}
2205# if $self->per_party;
2206
1551 $self 2207 $self
1552} 2208}
1553 2209
1554# find and load all maps in the 3x3 area around a map 2210# find and load all maps in the 3x3 area around a map
1555sub load_diag { 2211sub load_neighbours {
1556 my ($map) = @_; 2212 my ($map) = @_;
1557 2213
1558 my @diag; # diagonal neighbours 2214 my @neigh; # diagonal neighbours
1559 2215
1560 for (0 .. 3) { 2216 for (0 .. 3) {
1561 my $neigh = $map->tile_path ($_) 2217 my $neigh = $map->tile_path ($_)
1562 or next; 2218 or next;
1563 $neigh = find $neigh, $map 2219 $neigh = find $neigh, $map
1564 or next; 2220 or next;
1565 $neigh->load; 2221 $neigh->load;
1566 2222
2223 # now find the diagonal neighbours
2224 push @neigh,
1567 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2225 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2226 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1569 } 2227 }
1570 2228
1571 for (@diag) { 2229 for (grep defined $_->[0], @neigh) {
2230 my ($path, $origin) = @$_;
1572 my $neigh = find @$_ 2231 my $neigh = find $path, $origin
1573 or next; 2232 or next;
1574 $neigh->load; 2233 $neigh->load;
1575 } 2234 }
1576} 2235}
1577 2236
1578sub find_sync { 2237sub find_sync {
1579 my ($path, $origin) = @_; 2238 my ($path, $origin) = @_;
1580 2239
1581 cf::sync_job { find $path, $origin } 2240 return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
2241 if $Coro::current == $Coro::main;
2242
2243 find $path, $origin
1582} 2244}
1583 2245
1584sub do_load_sync { 2246sub do_load_sync {
1585 my ($map) = @_; 2247 my ($map) = @_;
1586 2248
1587 cf::sync_job { $map->load }; 2249 return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2250 if $Coro::current == $Coro::main;
2251
2252 $map->load;
1588} 2253}
1589 2254
1590our %MAP_PREFETCH; 2255our %MAP_PREFETCH;
1591our $MAP_PREFETCHER = undef; 2256our $MAP_PREFETCHER = undef;
1592 2257
1593sub find_async { 2258sub find_async {
1594 my ($path, $origin) = @_; 2259 my ($path, $origin, $load) = @_;
1595 2260
1596 $path = normalise $path, $origin && $origin->{path}; 2261 $path = normalise $path, $origin && $origin->{path};
1597 2262
1598 if (my $map = $cf::MAP{$path}) { 2263 if (my $map = $cf::MAP{$path}) {
1599 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2264 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1600 } 2265 }
1601 2266
1602 undef $MAP_PREFETCH{$path}; 2267 $MAP_PREFETCH{$path} |= $load;
2268
1603 $MAP_PREFETCHER ||= cf::async { 2269 $MAP_PREFETCHER ||= cf::async {
2270 $Coro::current->{desc} = "map prefetcher";
2271
1604 while (%MAP_PREFETCH) { 2272 while (%MAP_PREFETCH) {
1605 for my $path (keys %MAP_PREFETCH) { 2273 while (my ($k, $v) = each %MAP_PREFETCH) {
1606 my $map = find $path 2274 if (my $map = find $k) {
1607 or next;
1608 $map->load; 2275 $map->load if $v;
2276 }
1609 2277
1610 delete $MAP_PREFETCH{$path}; 2278 delete $MAP_PREFETCH{$k};
1611 } 2279 }
1612 } 2280 }
1613 undef $MAP_PREFETCHER; 2281 undef $MAP_PREFETCHER;
1614 }; 2282 };
1615 $MAP_PREFETCHER->prio (6); 2283 $MAP_PREFETCHER->prio (6);
1616 2284
1617 () 2285 ()
1618} 2286}
1619 2287
2288# common code, used by both ->save and ->swapout
1620sub save { 2289sub _save {
1621 my ($self) = @_; 2290 my ($self) = @_;
1622
1623 my $lock = cf::lock_acquire "map_data:" . $self->path;
1624 2291
1625 $self->{last_save} = $cf::RUNTIME; 2292 $self->{last_save} = $cf::RUNTIME;
1626 2293
1627 return unless $self->dirty; 2294 return unless $self->dirty;
1628 2295
… …
1634 return if $self->{deny_save}; 2301 return if $self->{deny_save};
1635 2302
1636 local $self->{last_access} = $self->last_access;#d# 2303 local $self->{last_access} = $self->last_access;#d#
1637 2304
1638 cf::async { 2305 cf::async {
2306 $Coro::current->{desc} = "map player save";
1639 $_->contr->save for $self->players; 2307 $_->contr->save for $self->players;
1640 }; 2308 };
2309
2310 cf::get_slot 0.02;
1641 2311
1642 if ($uniq) { 2312 if ($uniq) {
1643 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2313 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2314 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1645 } else { 2315 } else {
1646 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2316 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1647 } 2317 }
1648} 2318}
1649 2319
2320sub save {
2321 my ($self) = @_;
2322
2323 my $lock = cf::lock_acquire "map_data:$self->{path}";
2324
2325 $self->_save;
2326}
2327
1650sub swap_out { 2328sub swap_out {
1651 my ($self) = @_; 2329 my ($self) = @_;
1652 2330
1653 # save first because save cedes
1654 $self->save;
1655
1656 my $lock = cf::lock_acquire "map_data:" . $self->path; 2331 my $lock = cf::lock_acquire "map_data:$self->{path}";
1657 2332
2333 return if $self->in_memory != cf::MAP_ACTIVE;
2334 return if $self->{deny_save};
1658 return if $self->players; 2335 return if $self->players;
1659 return if $self->in_memory != cf::MAP_IN_MEMORY;
1660 return if $self->{deny_save};
1661 2336
2337 # first deactivate the map and "unlink" it from the core
2338 $self->deactivate;
2339 $_->clear_links_to ($self) for values %cf::MAP;
2340 $self->in_memory (cf::MAP_SWAPPED);
2341
2342 # then atomically save
2343 $self->_save;
2344
2345 # then free the map
1662 $self->clear; 2346 $self->clear;
1663 $self->in_memory (cf::MAP_SWAPPED);
1664} 2347}
1665 2348
1666sub reset_at { 2349sub reset_at {
1667 my ($self) = @_; 2350 my ($self) = @_;
1668 2351
1669 # TODO: safety, remove and allow resettable per-player maps 2352 # TODO: safety, remove and allow resettable per-player maps
1670 return 1e99 if $self->isa ("ext::map_per_player");#d#
1671 return 1e99 if $self->{deny_reset}; 2353 return 1e99 if $self->{deny_reset};
1672 2354
1673 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2355 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2356 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675 2357
… …
1686 my ($self) = @_; 2368 my ($self) = @_;
1687 2369
1688 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2370 my $lock = cf::lock_acquire "map_data:$self->{path}";
1689 2371
1690 return if $self->players; 2372 return if $self->players;
1691 return if $self->isa ("ext::map_per_player");#d#
1692 2373
1693 warn "resetting map ", $self->path;#d# 2374 cf::trace "resetting map ", $self->path, "\n";
1694 2375
1695 $self->in_memory (cf::MAP_SWAPPED); 2376 $self->in_memory (cf::MAP_SWAPPED);
1696 2377
1697 # need to save uniques path 2378 # need to save uniques path
1698 unless ($self->{deny_save}) { 2379 unless ($self->{deny_save}) {
… …
1702 if $uniq; 2383 if $uniq;
1703 } 2384 }
1704 2385
1705 delete $cf::MAP{$self->path}; 2386 delete $cf::MAP{$self->path};
1706 2387
2388 $self->deactivate;
2389 $_->clear_links_to ($self) for values %cf::MAP;
1707 $self->clear; 2390 $self->clear;
1708
1709 $_->clear_links_to ($self) for values %cf::MAP;
1710 2391
1711 $self->unlink_save; 2392 $self->unlink_save;
1712 $self->destroy; 2393 $self->destroy;
1713} 2394}
1714 2395
1715my $nuke_counter = "aaaa"; 2396my $nuke_counter = "aaaa";
1716 2397
1717sub nuke { 2398sub nuke {
1718 my ($self) = @_; 2399 my ($self) = @_;
1719 2400
2401 {
2402 my $lock = cf::lock_acquire "map_data:$self->{path}";
2403
1720 delete $cf::MAP{$self->path}; 2404 delete $cf::MAP{$self->path};
1721 2405
1722 $self->unlink_save; 2406 $self->unlink_save;
1723 2407
1724 bless $self, "cf::map"; 2408 bless $self, "cf::map::wrap";
1725 delete $self->{deny_reset}; 2409 delete $self->{deny_reset};
1726 $self->{deny_save} = 1; 2410 $self->{deny_save} = 1;
1727 $self->reset_timeout (1); 2411 $self->reset_timeout (1);
1728 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2412 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729 2413
1730 $cf::MAP{$self->path} = $self; 2414 $cf::MAP{$self->path} = $self;
2415 }
1731 2416
1732 $self->reset; # polite request, might not happen 2417 $self->reset; # polite request, might not happen
2418}
2419
2420=item $maps = cf::map::tmp_maps
2421
2422Returns an arrayref with all map paths of currently instantiated and saved
2423maps. May block.
2424
2425=cut
2426
2427sub tmp_maps() {
2428 [
2429 map {
2430 utf8::decode $_;
2431 /\.map$/
2432 ? normalise $_
2433 : ()
2434 } @{ aio_readdir $TMPDIR or [] }
2435 ]
2436}
2437
2438=item $maps = cf::map::random_maps
2439
2440Returns an arrayref with all map paths of currently instantiated and saved
2441random maps. May block.
2442
2443=cut
2444
2445sub random_maps() {
2446 [
2447 map {
2448 utf8::decode $_;
2449 /\.map$/
2450 ? normalise "?random/$_"
2451 : ()
2452 } @{ aio_readdir $RANDOMDIR or [] }
2453 ]
1733} 2454}
1734 2455
1735=item cf::map::unique_maps 2456=item cf::map::unique_maps
1736 2457
1737Returns an arrayref of paths of all shared maps that have 2458Returns an arrayref of paths of all shared maps that have
1738instantiated unique items. May block. 2459instantiated unique items. May block.
1739 2460
1740=cut 2461=cut
1741 2462
1742sub unique_maps() { 2463sub unique_maps() {
1743 my $files = aio_readdir $UNIQUEDIR 2464 [
1744 or return; 2465 map {
1745
1746 my @paths;
1747
1748 for (@$files) {
1749 utf8::decode $_; 2466 utf8::decode $_;
1750 next if /\.pst$/; 2467 s/\.map$//; # TODO future compatibility hack
1751 next unless /^$PATH_SEP/o; 2468 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752 2469 ? ()
1753 push @paths, cf::map::normalise $_; 2470 : normalise $_
2471 } @{ aio_readdir $UNIQUEDIR or [] }
1754 } 2472 ]
1755
1756 \@paths
1757} 2473}
1758 2474
1759package cf; 2475=item cf::map::static_maps
2476
2477Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2478file in the shared directory excluding F</styles> and F</editor>). May
2479block.
2480
2481=cut
2482
2483sub static_maps() {
2484 my @dirs = "";
2485 my @maps;
2486
2487 while (@dirs) {
2488 my $dir = shift @dirs;
2489
2490 next if $dir eq "/styles" || $dir eq "/editor";
2491
2492 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2493 or return;
2494
2495 for (@$files) {
2496 s/\.map$// or next;
2497 utf8::decode $_;
2498 push @maps, "$dir/$_";
2499 }
2500
2501 push @dirs, map "$dir/$_", @$dirs;
2502 }
2503
2504 \@maps
2505}
1760 2506
1761=back 2507=back
1762 2508
1763=head3 cf::object 2509=head3 cf::object
1764 2510
… …
1768 2514
1769=over 4 2515=over 4
1770 2516
1771=item $ob->inv_recursive 2517=item $ob->inv_recursive
1772 2518
1773Returns the inventory of the object _and_ their inventories, recursively. 2519Returns the inventory of the object I<and> their inventories, recursively,
2520but I<not> the object itself.
1774 2521
1775=cut 2522=cut
1776 2523
1777sub inv_recursive_; 2524sub inv_recursive_;
1778sub inv_recursive_ { 2525sub inv_recursive_ {
… …
1781 2528
1782sub inv_recursive { 2529sub inv_recursive {
1783 inv_recursive_ inv $_[0] 2530 inv_recursive_ inv $_[0]
1784} 2531}
1785 2532
2533=item $ref = $ob->ref
2534
2535Creates and returns a persistent reference to an object that can be stored as a string.
2536
2537=item $ob = cf::object::deref ($refstring)
2538
2539returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2540even if the object actually exists. May block.
2541
2542=cut
2543
2544sub deref {
2545 my ($ref) = @_;
2546
2547 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2548 my ($uuid, $name) = ($1, $2);
2549 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2550 or return;
2551 $pl->ob->uuid eq $uuid
2552 or return;
2553
2554 $pl->ob
2555 } else {
2556 warn "$ref: cannot resolve object reference\n";
2557 undef
2558 }
2559}
2560
1786package cf; 2561package cf;
1787 2562
1788=back 2563=back
1789 2564
1790=head3 cf::object::player 2565=head3 cf::object::player
… …
1796Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2571Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1797can be C<undef>. Does the right thing when the player is currently in a 2572can be C<undef>. Does the right thing when the player is currently in a
1798dialogue with the given NPC character. 2573dialogue with the given NPC character.
1799 2574
1800=cut 2575=cut
2576
2577our $SAY_CHANNEL = {
2578 id => "say",
2579 title => "Map",
2580 reply => "say ",
2581 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2582};
2583
2584our $CHAT_CHANNEL = {
2585 id => "chat",
2586 title => "Chat",
2587 reply => "chat ",
2588 tooltip => "Player chat and shouts, global to the server.",
2589};
1801 2590
1802# rough implementation of a future "reply" method that works 2591# rough implementation of a future "reply" method that works
1803# with dialog boxes. 2592# with dialog boxes.
1804#TODO: the first argument must go, split into a $npc->reply_to ( method 2593#TODO: the first argument must go, split into a $npc->reply_to ( method
1805sub cf::object::player::reply($$$;$) { 2594sub cf::object::player::reply($$$;$) {
… …
1807 2596
1808 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2597 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809 2598
1810 if ($self->{record_replies}) { 2599 if ($self->{record_replies}) {
1811 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2600 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2601
1812 } else { 2602 } else {
2603 my $pl = $self->contr;
2604
2605 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2606 my $dialog = $pl->{npc_dialog};
2607 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2608
2609 } else {
1813 $msg = $npc->name . " says: $msg" if $npc; 2610 $msg = $npc->name . " says: $msg" if $npc;
1814 $self->message ($msg, $flags); 2611 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2612 }
1815 } 2613 }
2614}
2615
2616=item $object->send_msg ($channel, $msg, $color, [extra...])
2617
2618=cut
2619
2620sub cf::object::send_msg {
2621 my $pl = shift->contr
2622 or return;
2623 $pl->send_msg (@_);
1816} 2624}
1817 2625
1818=item $player_object->may ("access") 2626=item $player_object->may ("access")
1819 2627
1820Returns wether the given player is authorized to access resource "access" 2628Returns wether the given player is authorized to access resource "access"
… …
1833 2641
1834=item $player_object->enter_link 2642=item $player_object->enter_link
1835 2643
1836Freezes the player and moves him/her to a special map (C<{link}>). 2644Freezes the player and moves him/her to a special map (C<{link}>).
1837 2645
1838The player should be reasonably safe there for short amounts of time. You 2646The player should be reasonably safe there for short amounts of time (e.g.
1839I<MUST> call C<leave_link> as soon as possible, though. 2647for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2648though, as the player cannot control the character while it is on the link
2649map.
1840 2650
1841Will never block. 2651Will never block.
1842 2652
1843=item $player_object->leave_link ($map, $x, $y) 2653=item $player_object->leave_link ($map, $x, $y)
1844 2654
… …
1864sub cf::object::player::enter_link { 2674sub cf::object::player::enter_link {
1865 my ($self) = @_; 2675 my ($self) = @_;
1866 2676
1867 $self->deactivate_recursive; 2677 $self->deactivate_recursive;
1868 2678
2679 ++$self->{_link_recursion};
2680
1869 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2681 return if UNIVERSAL::isa $self->map, "ext::map_link";
1870 2682
1871 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2683 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872 if $self->map; 2684 if $self->map && $self->map->{path} ne "{link}";
1873 2685
1874 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2686 $self->enter_map ($LINK_MAP || link_map, 3, 3);
1875} 2687}
1876 2688
1877sub cf::object::player::leave_link { 2689sub cf::object::player::leave_link {
1878 my ($self, $map, $x, $y) = @_; 2690 my ($self, $map, $x, $y) = @_;
2691
2692 return unless $self->contr->active;
1879 2693
1880 my $link_pos = delete $self->{_link_pos}; 2694 my $link_pos = delete $self->{_link_pos};
1881 2695
1882 unless ($map) { 2696 unless ($map) {
1883 # restore original map position 2697 # restore original map position
… …
1894 ($x, $y) = (-1, -1) 2708 ($x, $y) = (-1, -1)
1895 unless (defined $x) && (defined $y); 2709 unless (defined $x) && (defined $y);
1896 2710
1897 # use -1 or undef as default coordinates, not 0, 0 2711 # use -1 or undef as default coordinates, not 0, 0
1898 ($x, $y) = ($map->enter_x, $map->enter_y) 2712 ($x, $y) = ($map->enter_x, $map->enter_y)
1899 if $x <=0 && $y <= 0; 2713 if $x <= 0 && $y <= 0;
1900 2714
1901 $map->load; 2715 $map->load;
1902 $map->load_diag; 2716 $map->load_neighbours;
1903 2717
1904 return unless $self->contr->active; 2718 return unless $self->contr->active;
1905 $self->activate_recursive;
1906 2719
1907 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2720 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908 $self->enter_map ($map, $x, $y); 2721 if ($self->enter_map ($map, $x, $y)) {
1909} 2722 # entering was successful
1910 2723 delete $self->{_link_recursion};
1911cf::player->attach ( 2724 # only activate afterwards, to support waiting in hooks
1912 on_logout => sub { 2725 $self->activate_recursive;
1913 my ($pl) = @_;
1914
1915 # abort map switching before logout
1916 if ($pl->ob->{_link_pos}) {
1917 cf::sync_job {
1918 $pl->ob->leave_link
1919 };
1920 }
1921 }, 2726 }
1922 on_login => sub {
1923 my ($pl) = @_;
1924 2727
1925 # try to abort aborted map switching on player login :) 2728}
1926 # should happen only on crashes
1927 if ($pl->ob->{_link_pos}) {
1928 $pl->ob->enter_link;
1929 (async {
1930 $pl->ob->reply (undef,
1931 "There was an internal problem at your last logout, "
1932 . "the server will try to bring you to your intended destination in a second.",
1933 cf::NDI_RED);
1934 # we need this sleep as the login has a concurrent enter_exit running
1935 # and this sleep increases chances of the player not ending up in scorn
1936 Coro::Timer::sleep 1;
1937 $pl->ob->leave_link;
1938 })->prio (2);
1939 }
1940 },
1941);
1942 2729
1943=item $player_object->goto ($path, $x, $y) 2730=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944 2731
2732Moves the player to the given map-path and coordinates by first freezing
2733her, loading and preparing them map, calling the provided $check callback
2734that has to return the map if sucecssful, and then unfreezes the player on
2735the new (success) or old (failed) map position. In either case, $done will
2736be called at the end of this process.
2737
2738Note that $check will be called with a potentially non-loaded map, so if
2739it needs a loaded map it has to call C<< ->load >>.
2740
1945=cut 2741=cut
2742
2743our $GOTOGEN;
1946 2744
1947sub cf::object::player::goto { 2745sub cf::object::player::goto {
1948 my ($self, $path, $x, $y) = @_; 2746 my ($self, $path, $x, $y, $check, $done) = @_;
2747
2748 if ($self->{_link_recursion} >= $MAX_LINKS) {
2749 error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
2750 $self->failmsg ("Something went wrong inside the server - please contact an administrator!");
2751 ($path, $x, $y) = @$EMERGENCY_POSITION;
2752 }
2753
2754 # do generation counting so two concurrent goto's will be executed in-order
2755 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949 2756
1950 $self->enter_link; 2757 $self->enter_link;
1951 2758
1952 (async { 2759 (async {
2760 $Coro::current->{desc} = "player::goto $path $x $y";
2761
2762 # *tag paths override both path and x|y
2763 if ($path =~ /^\*(.*)$/) {
2764 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2765 my $ob = $obs[rand @obs];
2766
2767 # see if we actually can go there
2768 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2769 $ob = $obs[rand @obs];
2770 } else {
2771 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2772 }
2773 # else put us there anyways for now #d#
2774
2775 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2776 } else {
2777 ($path, $x, $y) = (undef, undef, undef);
2778 }
2779 }
2780
1953 my $map = eval { 2781 my $map = eval {
1954 my $map = cf::map::find $path; 2782 my $map = defined $path ? cf::map::find $path : undef;
2783
2784 if ($map) {
1955 $map = $map->customise_for ($self) if $map; 2785 $map = $map->customise_for ($self);
2786 $map = $check->($map, $x, $y, $self) if $check && $map;
2787 } else {
2788 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2789 }
2790
1956 $map 2791 $map
2792 };
2793
2794 if ($@) {
2795 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2796 LOG llevError | logBacktrace, Carp::longmess $@;
1957 } or 2797 }
1958 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959 2798
2799 if ($gen == $self->{_goto_generation}) {
2800 delete $self->{_goto_generation};
1960 $self->leave_link ($map, $x, $y); 2801 $self->leave_link ($map, $x, $y);
2802 }
2803
2804 $done->($self) if $done;
1961 })->prio (1); 2805 })->prio (1);
1962} 2806}
1963 2807
1964=item $player_object->enter_exit ($exit_object) 2808=item $player_object->enter_exit ($exit_object)
1965 2809
… …
1985} 2829}
1986 2830
1987sub prepare_random_map { 2831sub prepare_random_map {
1988 my ($exit) = @_; 2832 my ($exit) = @_;
1989 2833
1990 my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992 # all this does is basically replace the /! path by 2834 # all this does is basically replace the /! path by
1993 # a new random map path (?random/...) with a seed 2835 # a new random map path (?random/...) with a seed
1994 # that depends on the exit object 2836 # that depends on the exit object
1995 2837
1996 my $rmp = parse_random_map_params $exit->msg; 2838 my $rmp = parse_random_map_params $exit->msg;
… …
1998 if ($exit->map) { 2840 if ($exit->map) {
1999 $rmp->{region} = $exit->region->name; 2841 $rmp->{region} = $exit->region->name;
2000 $rmp->{origin_map} = $exit->map->path; 2842 $rmp->{origin_map} = $exit->map->path;
2001 $rmp->{origin_x} = $exit->x; 2843 $rmp->{origin_x} = $exit->x;
2002 $rmp->{origin_y} = $exit->y; 2844 $rmp->{origin_y} = $exit->y;
2845
2846 $exit->map->touch;
2003 } 2847 }
2004 2848
2005 $rmp->{random_seed} ||= $exit->random_seed; 2849 $rmp->{random_seed} ||= $exit->random_seed;
2006 2850
2007 my $data = cf::to_json $rmp; 2851 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008 my $md5 = Digest::MD5::md5_hex $data; 2852 my $md5 = Digest::MD5::md5_hex $data;
2009 my $meta = "$RANDOMDIR/$md5.meta"; 2853 my $meta = "$RANDOMDIR/$md5.meta";
2010 2854
2011 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2855 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012 aio_write $fh, 0, (length $data), $data, 0; 2856 aio_write $fh, 0, (length $data), $data, 0;
2013 undef $fh; 2857 undef $fh;
2014 aio_rename "$meta~", $meta; 2858 aio_rename "$meta~", $meta;
2015 2859
2860 my $slaying = "?random/$md5";
2861
2862 if ($exit->valid) {
2016 $exit->slaying ("?random/$md5"); 2863 $exit->slaying ("?random/$md5");
2017 $exit->msg (undef); 2864 $exit->msg (undef);
2865 }
2018 } 2866 }
2019} 2867}
2020 2868
2021sub cf::object::player::enter_exit { 2869sub cf::object::player::enter_exit {
2022 my ($self, $exit) = @_; 2870 my ($self, $exit) = @_;
2023 2871
2024 return unless $self->type == cf::PLAYER; 2872 return unless $self->type == cf::PLAYER;
2025 2873
2026 if ($exit->slaying eq "/!") {
2027 #TODO: this should de-fi-ni-te-ly not be a sync-job
2028 # the problem is that $exit might not survive long enough
2029 # so it needs to be done right now, right here
2030 cf::sync_job { prepare_random_map $exit };
2031 }
2032
2033 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034 my $hp = $exit->stats->hp;
2035 my $sp = $exit->stats->sp;
2036
2037 $self->enter_link; 2874 $self->enter_link;
2038 2875
2039 (async { 2876 (async {
2040 $self->deactivate_recursive; # just to be sure 2877 $Coro::current->{desc} = "enter_exit";
2878
2041 unless (eval { 2879 unless (eval {
2880 $self->deactivate_recursive; # just to be sure
2881
2882 # random map handling
2883 {
2884 my $guard = cf::lock_acquire "exit_prepare:$exit";
2885
2886 prepare_random_map $exit
2887 if $exit->slaying eq "/!";
2888 }
2889
2890 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2891 my $x = $exit->stats->hp;
2892 my $y = $exit->stats->sp;
2893
2042 $self->goto ($slaying, $hp, $sp); 2894 $self->goto ($map, $x, $y);
2043 2895
2896 # if exit is damned, update players death & WoR home-position
2897 $self->contr->savebed ($map, $x, $y)
2898 if $exit->flag (cf::FLAG_DAMNED);
2899
2044 1; 2900 1
2045 }) { 2901 }) {
2046 $self->message ("Something went wrong deep within the crossfire server. " 2902 $self->message ("Something went wrong deep within the deliantra server. "
2047 . "I'll try to bring you back to the map you were before. " 2903 . "I'll try to bring you back to the map you were before. "
2048 . "Please report this to the dungeon master!", 2904 . "Please report this to the dungeon master!",
2049 cf::NDI_UNIQUE | cf::NDI_RED); 2905 cf::NDI_UNIQUE | cf::NDI_RED);
2050 2906
2051 warn "ERROR in enter_exit: $@"; 2907 error "ERROR in enter_exit: $@";
2052 $self->leave_link; 2908 $self->leave_link;
2053 } 2909 }
2054 })->prio (1); 2910 })->prio (1);
2055} 2911}
2056 2912
… …
2070 2926
2071 utf8::encode $text; 2927 utf8::encode $text;
2072 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2928 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2073} 2929}
2074 2930
2931=item $client->send_big_packet ($pkt)
2932
2933Like C<send_packet>, but tries to compress large packets, and fragments
2934them as required.
2935
2936=cut
2937
2938our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2939
2940sub cf::client::send_big_packet {
2941 my ($self, $pkt) = @_;
2942
2943 # try lzf for large packets
2944 $pkt = "lzf " . Compress::LZF::compress $pkt
2945 if 1024 <= length $pkt and $self->{can_lzf};
2946
2947 # split very large packets
2948 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2949 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2950 $pkt = "frag";
2951 }
2952
2953 $self->send_packet ($pkt);
2954}
2955
2956=item $client->send_msg ($channel, $msg, $color, [extra...])
2957
2958Send a drawinfo or msg packet to the client, formatting the msg for the
2959client if neccessary. C<$type> should be a string identifying the type of
2960the message, with C<log> being the default. If C<$color> is negative, suppress
2961the message unless the client supports the msg packet.
2962
2963=cut
2964
2965# non-persistent channels (usually the info channel)
2966our %CHANNEL = (
2967 "c/motd" => {
2968 id => "infobox",
2969 title => "MOTD",
2970 reply => undef,
2971 tooltip => "The message of the day",
2972 },
2973 "c/identify" => {
2974 id => "infobox",
2975 title => "Identify",
2976 reply => undef,
2977 tooltip => "Items recently identified",
2978 },
2979 "c/examine" => {
2980 id => "infobox",
2981 title => "Examine",
2982 reply => undef,
2983 tooltip => "Signs and other items you examined",
2984 },
2985 "c/shopinfo" => {
2986 id => "infobox",
2987 title => "Shop Info",
2988 reply => undef,
2989 tooltip => "What your bargaining skill tells you about the shop",
2990 },
2991 "c/book" => {
2992 id => "infobox",
2993 title => "Book",
2994 reply => undef,
2995 tooltip => "The contents of a note or book",
2996 },
2997 "c/lookat" => {
2998 id => "infobox",
2999 title => "Look",
3000 reply => undef,
3001 tooltip => "What you saw there",
3002 },
3003 "c/who" => {
3004 id => "infobox",
3005 title => "Players",
3006 reply => undef,
3007 tooltip => "Shows players who are currently online",
3008 },
3009 "c/body" => {
3010 id => "infobox",
3011 title => "Body Parts",
3012 reply => undef,
3013 tooltip => "Shows which body parts you posess and are available",
3014 },
3015 "c/statistics" => {
3016 id => "infobox",
3017 title => "Statistics",
3018 reply => undef,
3019 tooltip => "Shows your primary statistics",
3020 },
3021 "c/skills" => {
3022 id => "infobox",
3023 title => "Skills",
3024 reply => undef,
3025 tooltip => "Shows your experience per skill and item power",
3026 },
3027 "c/shopitems" => {
3028 id => "infobox",
3029 title => "Shop Items",
3030 reply => undef,
3031 tooltip => "Shows the items currently for sale in this shop",
3032 },
3033 "c/resistances" => {
3034 id => "infobox",
3035 title => "Resistances",
3036 reply => undef,
3037 tooltip => "Shows your resistances",
3038 },
3039 "c/pets" => {
3040 id => "infobox",
3041 title => "Pets",
3042 reply => undef,
3043 tooltip => "Shows information abotu your pets/a specific pet",
3044 },
3045 "c/perceiveself" => {
3046 id => "infobox",
3047 title => "Perceive Self",
3048 reply => undef,
3049 tooltip => "You gained detailed knowledge about yourself",
3050 },
3051 "c/uptime" => {
3052 id => "infobox",
3053 title => "Uptime",
3054 reply => undef,
3055 tooltip => "How long the server has been running since last restart",
3056 },
3057 "c/mapinfo" => {
3058 id => "infobox",
3059 title => "Map Info",
3060 reply => undef,
3061 tooltip => "Information related to the maps",
3062 },
3063 "c/party" => {
3064 id => "party",
3065 title => "Party",
3066 reply => "gsay ",
3067 tooltip => "Messages and chat related to your party",
3068 },
3069 "c/death" => {
3070 id => "death",
3071 title => "Death",
3072 reply => undef,
3073 tooltip => "Reason for and more info about your most recent death",
3074 },
3075 "c/say" => $SAY_CHANNEL,
3076 "c/chat" => $CHAT_CHANNEL,
3077);
3078
3079sub cf::client::send_msg {
3080 my ($self, $channel, $msg, $color, @extra) = @_;
3081
3082 $msg = $self->pl->expand_cfpod ($msg)
3083 unless $color & cf::NDI_VERBATIM;
3084
3085 $color &= cf::NDI_CLIENT_MASK; # just in case...
3086
3087 # check predefined channels, for the benefit of C
3088 if ($CHANNEL{$channel}) {
3089 $channel = $CHANNEL{$channel};
3090
3091 $self->ext_msg (channel_info => $channel);
3092 $channel = $channel->{id};
3093
3094 } elsif (ref $channel) {
3095 # send meta info to client, if not yet sent
3096 unless (exists $self->{channel}{$channel->{id}}) {
3097 $self->{channel}{$channel->{id}} = $channel;
3098 $self->ext_msg (channel_info => $channel);
3099 }
3100
3101 $channel = $channel->{id};
3102 }
3103
3104 return unless @extra || length $msg;
3105
3106 # default colour, mask it out
3107 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3108 if $color & cf::NDI_DEF;
3109
3110 my $pkt = "msg "
3111 . $self->{json_coder}->encode (
3112 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3113 );
3114
3115 $self->send_big_packet ($pkt);
3116}
3117
2075=item $client->ext_event ($type, %msg) 3118=item $client->ext_msg ($type, @msg)
2076 3119
2077Sends an exti event to the client. 3120Sends an ext event to the client.
2078 3121
2079=cut 3122=cut
2080 3123
2081sub cf::client::ext_event($$%) { 3124sub cf::client::ext_msg($$@) {
2082 my ($self, $type, %msg) = @_; 3125 my ($self, $type, @msg) = @_;
2083 3126
3127 if ($self->extcmd == 2) {
3128 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3129 } elsif ($self->extcmd == 1) { # TODO: remove
2084 $msg{msgtype} = "event_$type"; 3130 push @msg, msgtype => "event_$type";
2085 $self->send_packet ("ext " . cf::to_json \%msg); 3131 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3132 }
3133}
3134
3135=item $client->ext_reply ($msgid, @msg)
3136
3137Sends an ext reply to the client.
3138
3139=cut
3140
3141sub cf::client::ext_reply($$@) {
3142 my ($self, $id, @msg) = @_;
3143
3144 if ($self->extcmd == 2) {
3145 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3146 } elsif ($self->extcmd == 1) {
3147 #TODO: version 1, remove
3148 unshift @msg, msgtype => "reply", msgid => $id;
3149 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3150 }
2086} 3151}
2087 3152
2088=item $success = $client->query ($flags, "text", \&cb) 3153=item $success = $client->query ($flags, "text", \&cb)
2089 3154
2090Queues a query to the client, calling the given callback with 3155Queues a query to the client, calling the given callback with
2091the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3156the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2092C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3157C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2093 3158
2094Queries can fail, so check the return code. Or don't, as queries will become 3159Queries can fail, so check the return code. Or don't, as queries will
2095reliable at some point in the future. 3160become reliable at some point in the future.
2096 3161
2097=cut 3162=cut
2098 3163
2099sub cf::client::query { 3164sub cf::client::query {
2100 my ($self, $flags, $text, $cb) = @_; 3165 my ($self, $flags, $text, $cb) = @_;
… …
2108 utf8::encode $text; 3173 utf8::encode $text;
2109 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3174 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110 3175
2111 $self->send_packet ($self->{query_queue}[0][0]) 3176 $self->send_packet ($self->{query_queue}[0][0])
2112 if @{ $self->{query_queue} } == 1; 3177 if @{ $self->{query_queue} } == 1;
3178
3179 1
2113} 3180}
2114 3181
2115cf::client->attach ( 3182cf::client->attach (
3183 on_connect => sub {
3184 my ($ns) = @_;
3185
3186 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3187 },
2116 on_reply => sub { 3188 on_reply => sub {
2117 my ($ns, $msg) = @_; 3189 my ($ns, $msg) = @_;
2118 3190
2119 # this weird shuffling is so that direct followup queries 3191 # this weird shuffling is so that direct followup queries
2120 # get handled first 3192 # get handled first
… …
2132 } else { 3204 } else {
2133 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3205 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134 } 3206 }
2135 } 3207 }
2136 }, 3208 },
3209 on_exticmd => sub {
3210 my ($ns, $buf) = @_;
3211
3212 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3213
3214 if (ref $msg) {
3215 my ($type, $reply, @payload) =
3216 "ARRAY" eq ref $msg
3217 ? @$msg
3218 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3219
3220 my @reply;
3221
3222 if (my $cb = $EXTICMD{$type}) {
3223 @reply = $cb->($ns, @payload);
3224 }
3225
3226 $ns->ext_reply ($reply, @reply)
3227 if $reply;
3228
3229 } else {
3230 error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3231 }
3232
3233 cf::override;
3234 },
2137); 3235);
2138 3236
2139=item $client->async (\&cb) 3237=item $client->async (\&cb)
2140 3238
2141Create a new coroutine, running the specified callback. The coroutine will 3239Create a new coroutine, running the specified callback. The coroutine will
… …
2157 3255
2158 $coro 3256 $coro
2159} 3257}
2160 3258
2161cf::client->attach ( 3259cf::client->attach (
2162 on_destroy => sub { 3260 on_client_destroy => sub {
2163 my ($ns) = @_; 3261 my ($ns) = @_;
2164 3262
2165 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3263 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166 }, 3264 },
2167); 3265);
… …
2182our $safe = new Safe "safe"; 3280our $safe = new Safe "safe";
2183our $safe_hole = new Safe::Hole; 3281our $safe_hole = new Safe::Hole;
2184 3282
2185$SIG{FPE} = 'IGNORE'; 3283$SIG{FPE} = 'IGNORE';
2186 3284
2187$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3285$safe->permit_only (Opcode::opset qw(
3286 :base_core :base_mem :base_orig :base_math :base_loop
3287 grepstart grepwhile mapstart mapwhile
3288 sort time
3289));
2188 3290
2189# here we export the classes and methods available to script code 3291# here we export the classes and methods available to script code
2190 3292
2191=pod 3293=pod
2192 3294
2193The following functions and methods are available within a safe environment: 3295The following functions and methods are available within a safe environment:
2194 3296
2195 cf::object contr pay_amount pay_player map 3297 cf::object
3298 contr pay_amount pay_player map x y force_find force_add destroy
3299 insert remove name archname title slaying race decrease split
3300 value
3301
2196 cf::object::player player 3302 cf::object::player
2197 cf::player peaceful 3303 player
2198 cf::map trigger 3304
3305 cf::player
3306 peaceful
3307
3308 cf::map
3309 trigger
2199 3310
2200=cut 3311=cut
2201 3312
2202for ( 3313for (
2203 ["cf::object" => qw(contr pay_amount pay_player map)], 3314 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3315 insert remove inv nrof name archname title slaying race
3316 decrease split destroy change_exp value msg lore send_msg)],
2204 ["cf::object::player" => qw(player)], 3317 ["cf::object::player" => qw(player)],
2205 ["cf::player" => qw(peaceful)], 3318 ["cf::player" => qw(peaceful send_msg)],
2206 ["cf::map" => qw(trigger)], 3319 ["cf::map" => qw(trigger)],
2207) { 3320) {
2208 no strict 'refs';
2209 my ($pkg, @funs) = @$_; 3321 my ($pkg, @funs) = @$_;
2210 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3322 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211 for @funs; 3323 for @funs;
2212} 3324}
2213 3325
… …
2228 3340
2229 my $qcode = $code; 3341 my $qcode = $code;
2230 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3342 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2231 $qcode =~ s/\n/\\n/g; 3343 $qcode =~ s/\n/\\n/g;
2232 3344
3345 %vars = (_dummy => 0) unless %vars;
3346
3347 my @res;
2233 local $_; 3348 local $_;
2234 local @safe::cf::_safe_eval_args = values %vars;
2235 3349
2236 my $eval = 3350 my $eval =
2237 "do {\n" 3351 "do {\n"
2238 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3352 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239 . "#line 0 \"{$qcode}\"\n" 3353 . "#line 0 \"{$qcode}\"\n"
2240 . $code 3354 . $code
2241 . "\n}" 3355 . "\n}"
2242 ; 3356 ;
2243 3357
3358 if ($CFG{safe_eval}) {
2244 sub_generation_inc; 3359 sub_generation_inc;
3360 local @safe::cf::_safe_eval_args = values %vars;
2245 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3361 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246 sub_generation_inc; 3362 sub_generation_inc;
3363 } else {
3364 local @cf::_safe_eval_args = values %vars;
3365 @res = wantarray ? eval eval : scalar eval $eval;
3366 }
2247 3367
2248 if ($@) { 3368 if ($@) {
2249 warn "$@"; 3369 warn "$@",
2250 warn "while executing safe code '$code'\n"; 3370 "while executing safe code '$code'\n",
2251 warn "with arguments " . (join " ", %vars) . "\n"; 3371 "with arguments " . (join " ", %vars) . "\n";
2252 } 3372 }
2253 3373
2254 wantarray ? @res : $res[0] 3374 wantarray ? @res : $res[0]
2255} 3375}
2256 3376
… …
2270=cut 3390=cut
2271 3391
2272sub register_script_function { 3392sub register_script_function {
2273 my ($fun, $cb) = @_; 3393 my ($fun, $cb) = @_;
2274 3394
2275 no strict 'refs'; 3395 $fun = "safe::$fun" if $CFG{safe_eval};
2276 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3396 *$fun = $safe_hole->wrap ($cb);
2277} 3397}
2278 3398
2279=back 3399=back
2280 3400
2281=cut 3401=cut
2282
2283#############################################################################
2284
2285=head2 EXTENSION DATABASE SUPPORT
2286
2287Crossfire maintains a very simple database for extension use. It can
2288currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289convert to/from binary).
2290
2291The parameter C<$family> should best start with the name of the extension
2292using it, it should be unique.
2293
2294=over 4
2295
2296=item $value = cf::db_get $family => $key
2297
2298Returns a single value from the database.
2299
2300=item cf::db_put $family => $key => $value
2301
2302Stores the given C<$value> in the family.
2303
2304=cut
2305
2306our $DB;
2307
2308sub db_init {
2309 unless ($DB) {
2310 $DB = BDB::db_create $DB_ENV;
2311
2312 cf::sync_job {
2313 eval {
2314 $DB->set_flags (BDB::CHKSUM);
2315
2316 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318 cf::cleanup "db_open(db): $!" if $!;
2319 };
2320 cf::cleanup "db_open(db): $@" if $@;
2321 };
2322 }
2323}
2324
2325sub db_get($$) {
2326 my $key = "$_[0]/$_[1]";
2327
2328 cf::sync_job {
2329 BDB::db_get $DB, undef, $key, my $data;
2330
2331 $! ? ()
2332 : $data
2333 }
2334}
2335
2336sub db_put($$$) {
2337 BDB::dbreq_pri 4;
2338 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339}
2340
2341=item cf::cache $id => [$paths...], $processversion => $process
2342
2343Generic caching function that returns the value of the resource $id,
2344caching and regenerating as required.
2345
2346This function can block.
2347
2348=cut
2349
2350sub cache {
2351 my ($id, $src, $processversion, $process) = @_;
2352
2353 my $meta =
2354 join "\x00",
2355 $processversion,
2356 map {
2357 aio_stat $_
2358 and Carp::croak "$_: $!";
2359
2360 ($_, (stat _)[7,9])
2361 } @$src;
2362
2363 my $dbmeta = db_get cache => "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we may need to process
2366
2367 my @data;
2368 my $md5;
2369
2370 for (0 .. $#$src) {
2371 0 <= aio_load $src->[$_], $data[$_]
2372 or Carp::croak "$src->[$_]: $!";
2373 }
2374
2375 # if processing is expensive, check
2376 # checksum first
2377 if (1) {
2378 $md5 =
2379 join "\x00",
2380 $processversion,
2381 map {
2382 Coro::cede;
2383 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2384 } 0.. $#$src;
2385
2386
2387 my $dbmd5 = db_get cache => "$id/md5";
2388 if ($dbmd5 eq $md5) {
2389 db_put cache => "$id/meta", $meta;
2390
2391 return db_get cache => "$id/data";
2392 }
2393 }
2394
2395 my $t1 = Time::HiRes::time;
2396 my $data = $process->(\@data);
2397 my $t2 = Time::HiRes::time;
2398
2399 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401 db_put cache => "$id/data", $data;
2402 db_put cache => "$id/md5" , $md5;
2403 db_put cache => "$id/meta", $meta;
2404
2405 return $data;
2406 }
2407
2408 db_get cache => "$id/data"
2409}
2410
2411=item fork_call { }, $args
2412
2413Executes the given code block with the given arguments in a seperate
2414process, returning the results. Everything must be serialisable with
2415Coro::Storable. May, of course, block. Note that the executed sub may
2416never block itself or use any form of Event handling.
2417
2418=cut
2419
2420sub fork_call(&@) {
2421 my ($cb, @args) = @_;
2422
2423# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424# or die "socketpair: $!";
2425 pipe my $fh1, my $fh2
2426 or die "pipe: $!";
2427
2428 if (my $pid = fork) {
2429 close $fh2;
2430
2431 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432 $res = Coro::Storable::thaw $res;
2433
2434 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436 die $$res unless "ARRAY" eq ref $res;
2437
2438 return wantarray ? @$res : $res->[-1];
2439 } else {
2440 local $SIG{__WARN__};
2441 eval {
2442 local $SIG{__DIE__};
2443 close $fh1;
2444
2445 my @res = eval { $cb->(@args) };
2446 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447 };
2448
2449 warn $@ if $@;
2450 _exit 0;
2451 }
2452}
2453
2454
2455 3402
2456############################################################################# 3403#############################################################################
2457# the server's init and main functions 3404# the server's init and main functions
2458 3405
2459sub load_facedata($) { 3406sub load_facedata($) {
2460 my ($path) = @_; 3407 my ($path) = @_;
2461 3408
3409 # HACK to clear player env face cache, we need some signal framework
3410 # for this (global event?)
3411 %ext::player_env::MUSIC_FACE_CACHE = ();
3412
3413 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3414
2462 warn "loading facedata from $path\n"; 3415 trace "loading facedata from $path\n";
2463 3416
2464 my $facedata;
2465 0 < aio_load $path, $facedata 3417 0 < aio_load $path, my $facedata
2466 or die "$path: $!"; 3418 or die "$path: $!";
2467 3419
2468 $facedata = Coro::Storable::thaw $facedata; 3420 $facedata = Coro::Storable::thaw $facedata;
2469 3421
2470 $facedata->{version} == 2 3422 $facedata->{version} == 2
2471 or cf::cleanup "$path: version mismatch, cannot proceed."; 3423 or cf::cleanup "$path: version mismatch, cannot proceed.";
2472 3424
3425 # patch in the exptable
3426 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3427 $facedata->{resource}{"res/exp_table"} = {
3428 type => FT_RSRC,
3429 data => $exp_table,
3430 hash => (Digest::MD5::md5 $exp_table),
3431 };
3432 cf::cede_to_tick;
3433
2473 { 3434 {
2474 my $faces = $facedata->{faceinfo}; 3435 my $faces = $facedata->{faceinfo};
2475 3436
2476 while (my ($face, $info) = each %$faces) { 3437 while (my ($face, $info) = each %$faces) {
2477 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3438 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3439
2478 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3440 cf::face::set_visibility $idx, $info->{visibility};
3441 cf::face::set_magicmap $idx, $info->{magicmap};
2479 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3442 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3443 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481 Coro::cede; 3444
3445 cf::cede_to_tick;
2482 } 3446 }
2483 3447
2484 while (my ($face, $info) = each %$faces) { 3448 while (my ($face, $info) = each %$faces) {
2485 next unless $info->{smooth}; 3449 next unless $info->{smooth};
3450
2486 my $idx = cf::face::find $face 3451 my $idx = cf::face::find $face
2487 or next; 3452 or next;
3453
2488 if (my $smooth = cf::face::find $info->{smooth}) { 3454 if (my $smooth = cf::face::find $info->{smooth}) {
3455 cf::face::set_smooth $idx, $smooth;
2489 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3456 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490 } else { 3457 } else {
2491 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3458 error "smooth face '$info->{smooth}' not found for face '$face'";
2492 } 3459 }
2493 Coro::cede; 3460
3461 cf::cede_to_tick;
2494 } 3462 }
2495 } 3463 }
2496 3464
2497 { 3465 {
2498 my $anims = $facedata->{animinfo}; 3466 my $anims = $facedata->{animinfo};
2499 3467
2500 while (my ($anim, $info) = each %$anims) { 3468 while (my ($anim, $info) = each %$anims) {
2501 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3469 cf::anim::set $anim, $info->{frames}, $info->{facings};
2502 Coro::cede; 3470 cf::cede_to_tick;
2503 } 3471 }
2504 3472
2505 cf::anim::invalidate_all; # d'oh 3473 cf::anim::invalidate_all; # d'oh
2506 } 3474 }
2507 3475
3476 {
3477 my $res = $facedata->{resource};
3478
3479 while (my ($name, $info) = each %$res) {
3480 if (defined $info->{type}) {
3481 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3482
3483 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3484 cf::face::set_type $idx, $info->{type};
3485 } else {
3486 $RESOURCE{$name} = $info; # unused
3487 }
3488
3489 cf::cede_to_tick;
3490 }
3491 }
3492
3493 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3494
2508 1 3495 1
2509} 3496}
2510 3497
3498register_exticmd fx_want => sub {
3499 my ($ns, $want) = @_;
3500
3501 while (my ($k, $v) = each %$want) {
3502 $ns->fx_want ($k, $v);
3503 }
3504};
3505
3506sub load_resource_file($) {
3507 my $guard = lock_acquire "load_resource_file";
3508
3509 my $status = load_resource_file_ $_[0];
3510 get_slot 0.1, 100;
3511 cf::arch::commit_load;
3512
3513 $status
3514}
3515
2511sub reload_regions { 3516sub reload_regions {
3517 # HACK to clear player env face cache, we need some signal framework
3518 # for this (global event?)
3519 %ext::player_env::MUSIC_FACE_CACHE = ();
3520
2512 load_resource_file "$MAPDIR/regions" 3521 load_resource_file "$MAPDIR/regions"
2513 or die "unable to load regions file\n"; 3522 or die "unable to load regions file\n";
3523
3524 for (cf::region::list) {
3525 $_->{match} = qr/$_->{match}/
3526 if exists $_->{match};
3527 }
2514} 3528}
2515 3529
2516sub reload_facedata { 3530sub reload_facedata {
2517 load_facedata "$DATADIR/facedata" 3531 load_facedata "$DATADIR/facedata"
2518 or die "unable to load facedata\n"; 3532 or die "unable to load facedata\n";
… …
2526sub reload_treasures { 3540sub reload_treasures {
2527 load_resource_file "$DATADIR/treasures" 3541 load_resource_file "$DATADIR/treasures"
2528 or die "unable to load treasurelists\n"; 3542 or die "unable to load treasurelists\n";
2529} 3543}
2530 3544
3545sub reload_sound {
3546 trace "loading sound config from $DATADIR/sound\n";
3547
3548 0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
3549 or die "$DATADIR/sound $!";
3550
3551 my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
3552
3553 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3554 my $sound = $soundconf->{compat}[$_]
3555 or next;
3556
3557 my $face = cf::face::find "sound/$sound->[1]";
3558 cf::sound::set $sound->[0] => $face;
3559 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3560 }
3561
3562 while (my ($k, $v) = each %{$soundconf->{event}}) {
3563 my $face = cf::face::find "sound/$v";
3564 cf::sound::set $k => $face;
3565 }
3566}
3567
2531sub reload_resources { 3568sub reload_resources {
2532 warn "reloading resource files...\n"; 3569 trace "reloading resource files...\n";
2533 3570
3571 reload_exp_table;
3572 reload_materials;
3573 reload_facedata;
3574 reload_sound;
3575 reload_archetypes;
2534 reload_regions; 3576 reload_regions;
2535 reload_facedata;
2536 reload_archetypes;
2537 reload_treasures; 3577 reload_treasures;
2538 3578
2539 warn "finished reloading resource files\n"; 3579 trace "finished reloading resource files\n";
2540} 3580}
2541 3581
2542sub init { 3582sub reload_config {
2543 reload_resources; 3583 trace "reloading config file...\n";
2544}
2545 3584
2546sub cfg_load { 3585 0 < aio_load "$CONFDIR/config", my $config
2547 open my $fh, "<:utf8", "$CONFDIR/config" 3586 or die "$CONFDIR/config: $!";
2548 or return;
2549 3587
2550 local $/; 3588 utf8::decode $config;
2551 *CFG = YAML::Syck::Load <$fh>; 3589 *CFG = yaml_load $config;
2552 3590
2553 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3591 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554 3592
2555 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3593 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2556 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3594 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2557 3595
2558 if (exists $CFG{mlockall}) { 3596 if (exists $CFG{mlockall}) {
… …
2562 }; 3600 };
2563 warn $@ if $@; 3601 warn $@ if $@;
2564 } 3602 }
2565} 3603}
2566 3604
3605sub pidfile() {
3606 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3607 or die "$PIDFILE: $!";
3608 flock $fh, &Fcntl::LOCK_EX
3609 or die "$PIDFILE: flock: $!";
3610 $fh
3611}
3612
3613# make sure only one server instance is running at any one time
3614sub atomic {
3615 my $fh = pidfile;
3616
3617 my $pid = <$fh>;
3618 kill 9, $pid if $pid > 0;
3619
3620 seek $fh, 0, 0;
3621 print $fh $$;
3622}
3623
3624sub main_loop {
3625 trace "EV::loop starting\n";
3626 if (1) {
3627 EV::loop;
3628 }
3629 trace "EV::loop returned\n";
3630 goto &main_loop unless $REALLY_UNLOOP;
3631}
3632
2567sub main { 3633sub main {
3634 cf::init_globals; # initialise logging
3635
3636 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3637 LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3638 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3639 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3640
3641 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3642
2568 # we must not ever block the main coroutine 3643 # we must not ever block the main coroutine
2569 local $Coro::idle = sub { 3644 local $Coro::idle = sub {
2570 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3645 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2571 (async { 3646 (async {
2572 Event::one_event; 3647 $Coro::current->{desc} = "IDLE BUG HANDLER";
3648 EV::loop EV::LOOP_ONESHOT;
2573 })->prio (Coro::PRIO_MAX); 3649 })->prio (Coro::PRIO_MAX);
2574 }; 3650 };
2575 3651
2576 cfg_load; 3652 evthread_start IO::AIO::poll_fileno;
3653
3654 cf::sync_job {
3655 cf::incloader::init ();
3656
3657 cf::init_anim;
3658 cf::init_attackmess;
3659 cf::init_dynamic;
3660
3661 cf::load_settings;
3662
3663 reload_resources;
3664 reload_config;
2577 db_init; 3665 db_init;
3666
3667 cf::init_uuid;
3668 cf::init_signals;
3669 cf::init_skills;
3670
3671 cf::init_beforeplay;
3672
3673 atomic;
3674
2578 load_extensions; 3675 load_extensions;
2579 3676
2580 $TICK_WATCHER->start; 3677 utime time, time, $RUNTIMEFILE;
2581 Event::loop; 3678
3679 # no (long-running) fork's whatsoever before this point(!)
3680 use POSIX ();
3681 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3682
3683 cf::_post_init 0;
3684 };
3685
3686 cf::object::thawer::errors_are_fatal 0;
3687 info "parse errors in files are no longer fatal from this point on.\n";
3688
3689 my $free_main; $free_main = EV::idle sub {
3690 undef $free_main;
3691 undef &main; # free gobs of memory :)
3692 };
3693
3694 goto &main_loop;
2582} 3695}
2583 3696
2584############################################################################# 3697#############################################################################
2585# initialisation and cleanup 3698# initialisation and cleanup
2586 3699
2587# install some emergency cleanup handlers 3700# install some emergency cleanup handlers
2588BEGIN { 3701BEGIN {
3702 our %SIGWATCHER = ();
2589 for my $signal (qw(INT HUP TERM)) { 3703 for my $signal (qw(INT HUP TERM)) {
2590 Event->signal ( 3704 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2591 reentrant => 0,
2592 data => WF_AUTOCANCEL,
2593 signal => $signal,
2594 prio => 0,
2595 cb => sub {
2596 cf::cleanup "SIG$signal"; 3705 cf::cleanup "SIG$signal";
2597 },
2598 ); 3706 };
3707 }
3708}
3709
3710sub write_runtime_sync {
3711 my $t0 = AE::time;
3712
3713 # first touch the runtime file to show we are still running:
3714 # the fsync below can take a very very long time.
3715
3716 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3717
3718 my $guard = cf::lock_acquire "write_runtime";
3719
3720 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3721 or return;
3722
3723 my $value = $cf::RUNTIME + 90 + 10;
3724 # 10 is the runtime save interval, for a monotonic clock
3725 # 60 allows for the watchdog to kill the server.
3726
3727 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3728 and return;
3729
3730 # always fsync - this file is important
3731 aio_fsync $fh
3732 and return;
3733
3734 # touch it again to show we are up-to-date
3735 aio_utime $fh, undef, undef;
3736
3737 close $fh
3738 or return;
3739
3740 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3741 and return;
3742
3743 trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3744
2599 } 3745 1
3746}
3747
3748our $uuid_lock;
3749our $uuid_skip;
3750
3751sub write_uuid_sync($) {
3752 $uuid_skip ||= $_[0];
3753
3754 return if $uuid_lock;
3755 local $uuid_lock = 1;
3756
3757 my $uuid = "$LOCALDIR/uuid";
3758
3759 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3760 or return;
3761
3762 my $value = uuid_seq uuid_cur;
3763
3764 unless ($value) {
3765 info "cowardly refusing to write zero uuid value!\n";
3766 return;
3767 }
3768
3769 my $value = uuid_str $value + $uuid_skip;
3770 $uuid_skip = 0;
3771
3772 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3773 and return;
3774
3775 # always fsync - this file is important
3776 aio_fsync $fh
3777 and return;
3778
3779 close $fh
3780 or return;
3781
3782 aio_rename "$uuid~", $uuid
3783 and return;
3784
3785 trace "uuid file written ($value).\n";
3786
3787 1
3788
3789}
3790
3791sub write_uuid($$) {
3792 my ($skip, $sync) = @_;
3793
3794 $sync ? write_uuid_sync $skip
3795 : async { write_uuid_sync $skip };
2600} 3796}
2601 3797
2602sub emergency_save() { 3798sub emergency_save() {
2603 my $freeze_guard = cf::freeze_mainloop; 3799 my $freeze_guard = cf::freeze_mainloop;
2604 3800
2605 warn "enter emergency perl save\n"; 3801 info "emergency_perl_save: enter\n";
3802
3803 # this is a trade-off: we want to be very quick here, so
3804 # save all maps without fsync, and later call a global sync
3805 # (which in turn might be very very slow)
3806 local $USE_FSYNC = 0;
2606 3807
2607 cf::sync_job { 3808 cf::sync_job {
3809 cf::write_runtime_sync; # external watchdog should not bark
3810
2608 # use a peculiar iteration method to avoid tripping on perl 3811 # use a peculiar iteration method to avoid tripping on perl
2609 # refcount bugs in for. also avoids problems with players 3812 # refcount bugs in for. also avoids problems with players
2610 # and maps saved/destroyed asynchronously. 3813 # and maps saved/destroyed asynchronously.
2611 warn "begin emergency player save\n"; 3814 info "emergency_perl_save: begin player save\n";
2612 for my $login (keys %cf::PLAYER) { 3815 for my $login (keys %cf::PLAYER) {
2613 my $pl = $cf::PLAYER{$login} or next; 3816 my $pl = $cf::PLAYER{$login} or next;
2614 $pl->valid or next; 3817 $pl->valid or next;
3818 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615 $pl->save; 3819 $pl->save;
2616 } 3820 }
2617 warn "end emergency player save\n"; 3821 info "emergency_perl_save: end player save\n";
2618 3822
2619 warn "begin emergency map save\n"; 3823 cf::write_runtime_sync; # external watchdog should not bark
3824
3825 info "emergency_perl_save: begin map save\n";
2620 for my $path (keys %cf::MAP) { 3826 for my $path (keys %cf::MAP) {
2621 my $map = $cf::MAP{$path} or next; 3827 my $map = $cf::MAP{$path} or next;
2622 $map->valid or next; 3828 $map->valid or next;
2623 $map->save; 3829 $map->save;
2624 } 3830 }
2625 warn "end emergency map save\n"; 3831 info "emergency_perl_save: end map save\n";
2626 3832
2627 warn "begin emergency database checkpoint\n"; 3833 cf::write_runtime_sync; # external watchdog should not bark
3834
3835 info "emergency_perl_save: begin database checkpoint\n";
2628 BDB::db_env_txn_checkpoint $DB_ENV; 3836 BDB::db_env_txn_checkpoint $DB_ENV;
2629 warn "end emergency database checkpoint\n"; 3837 info "emergency_perl_save: end database checkpoint\n";
3838
3839 info "emergency_perl_save: begin write uuid\n";
3840 write_uuid_sync 1;
3841 info "emergency_perl_save: end write uuid\n";
3842
3843 cf::write_runtime_sync; # external watchdog should not bark
3844
3845 trace "emergency_perl_save: syncing database to disk";
3846 BDB::db_env_txn_checkpoint $DB_ENV;
3847
3848 info "emergency_perl_save: starting sync\n";
3849 IO::AIO::aio_sync sub {
3850 info "emergency_perl_save: finished sync\n";
3851 };
3852
3853 cf::write_runtime_sync; # external watchdog should not bark
3854
3855 trace "emergency_perl_save: flushing outstanding aio requests";
3856 while (IO::AIO::nreqs || BDB::nreqs) {
3857 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3858 }
3859
3860 cf::write_runtime_sync; # external watchdog should not bark
2630 }; 3861 };
2631 3862
2632 warn "leave emergency perl save\n"; 3863 info "emergency_perl_save: leave\n";
2633} 3864}
2634 3865
2635sub post_cleanup { 3866sub post_cleanup {
2636 my ($make_core) = @_; 3867 my ($make_core) = @_;
2637 3868
3869 IO::AIO::flush;
3870
2638 warn Carp::longmess "post_cleanup backtrace" 3871 error Carp::longmess "post_cleanup backtrace"
2639 if $make_core; 3872 if $make_core;
3873
3874 my $fh = pidfile;
3875 unlink $PIDFILE if <$fh> == $$;
3876}
3877
3878# a safer delete_package, copied from Symbol
3879sub clear_package($) {
3880 my $pkg = shift;
3881
3882 # expand to full symbol table name if needed
3883 unless ($pkg =~ /^main::.*::$/) {
3884 $pkg = "main$pkg" if $pkg =~ /^::/;
3885 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3886 $pkg .= '::' unless $pkg =~ /::$/;
3887 }
3888
3889 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3890 my $stem_symtab = *{$stem}{HASH};
3891
3892 defined $stem_symtab and exists $stem_symtab->{$leaf}
3893 or return;
3894
3895 # clear all symbols
3896 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3897 for my $name (keys %$leaf_symtab) {
3898 _gv_clear *{"$pkg$name"};
3899# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3900 }
2640} 3901}
2641 3902
2642sub do_reload_perl() { 3903sub do_reload_perl() {
2643 # can/must only be called in main 3904 # can/must only be called in main
2644 if ($Coro::current != $Coro::main) { 3905 unless (in_main) {
2645 warn "can only reload from main coroutine"; 3906 error "can only reload from main coroutine";
2646 return; 3907 return;
2647 } 3908 }
2648 3909
2649 warn "reloading..."; 3910 return if $RELOAD++;
2650 3911
2651 warn "entering sync_job"; 3912 my $t1 = AE::time;
2652 3913
3914 while ($RELOAD) {
3915 cf::get_slot 0.1, -1, "reload_perl";
3916 info "perl_reload: reloading...";
3917
3918 trace "perl_reload: entering sync_job";
3919
2653 cf::sync_job { 3920 cf::sync_job {
2654 cf::write_runtime; # external watchdog should not bark
2655 cf::emergency_save; 3921 #cf::emergency_save;
2656 cf::write_runtime; # external watchdog should not bark
2657 3922
2658 warn "syncing database to disk";
2659 BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661 # if anything goes wrong in here, we should simply crash as we already saved
2662
2663 warn "cancelling all WF_AUTOCANCEL watchers";
2664 for (Event::all_watchers) {
2665 $_->cancel if $_->data & WF_AUTOCANCEL;
2666 }
2667
2668 warn "flushing outstanding aio requests";
2669 for (;;) {
2670 BDB::flush;
2671 IO::AIO::flush;
2672 Coro::cede;
2673 last unless IO::AIO::nreqs || BDB::nreqs;
2674 warn "iterate...";
2675 }
2676
2677 ++$RELOAD;
2678
2679 warn "cancelling all extension coros"; 3923 trace "perl_reload: cancelling all extension coros";
2680 $_->cancel for values %EXT_CORO; 3924 $_->cancel for values %EXT_CORO;
2681 %EXT_CORO = (); 3925 %EXT_CORO = ();
2682 3926
2683 warn "removing commands"; 3927 trace "perl_reload: removing commands";
2684 %COMMAND = (); 3928 %COMMAND = ();
2685 3929
2686 warn "removing ext commands"; 3930 trace "perl_reload: removing ext/exti commands";
2687 %EXTCMD = (); 3931 %EXTCMD = ();
3932 %EXTICMD = ();
2688 3933
2689 warn "unloading/nuking all extensions"; 3934 trace "perl_reload: unloading/nuking all extensions";
2690 for my $pkg (@EXTS) { 3935 for my $pkg (@EXTS) {
2691 warn "... unloading $pkg"; 3936 trace "... unloading $pkg";
2692 3937
2693 if (my $cb = $pkg->can ("unload")) { 3938 if (my $cb = $pkg->can ("unload")) {
2694 eval { 3939 eval {
2695 $cb->($pkg); 3940 $cb->($pkg);
2696 1 3941 1
2697 } or warn "$pkg unloaded, but with errors: $@"; 3942 } or error "$pkg unloaded, but with errors: $@";
3943 }
3944
3945 trace "... clearing $pkg";
3946 clear_package $pkg;
2698 } 3947 }
2699 3948
2700 warn "... nuking $pkg";
2701 Symbol::delete_package $pkg;
2702 }
2703
2704 warn "unloading all perl modules loaded from $LIBDIR"; 3949 trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705 while (my ($k, $v) = each %INC) { 3950 while (my ($k, $v) = each %INC) {
2706 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3951 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707 3952
2708 warn "... unloading $k"; 3953 trace "... unloading $k";
2709 delete $INC{$k}; 3954 delete $INC{$k};
2710 3955
2711 $k =~ s/\.pm$//; 3956 $k =~ s/\.pm$//;
2712 $k =~ s/\//::/g; 3957 $k =~ s/\//::/g;
2713 3958
2714 if (my $cb = $k->can ("unload_module")) { 3959 if (my $cb = $k->can ("unload_module")) {
2715 $cb->(); 3960 $cb->();
3961 }
3962
3963 clear_package $k;
2716 } 3964 }
2717 3965
2718 Symbol::delete_package $k;
2719 }
2720
2721 warn "getting rid of safe::, as good as possible"; 3966 trace "perl_reload: getting rid of safe::, as good as possible";
2722 Symbol::delete_package "safe::$_" 3967 clear_package "safe::$_"
2723 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3968 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2724 3969
2725 warn "unloading cf.pm \"a bit\""; 3970 trace "perl_reload: unloading cf.pm \"a bit\"";
2726 delete $INC{"cf.pm"}; 3971 delete $INC{"cf.pm"};
2727 delete $INC{"cf/pod.pm"}; 3972 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728 3973
2729 # don't, removes xs symbols, too, 3974 # don't, removes xs symbols, too,
2730 # and global variables created in xs 3975 # and global variables created in xs
2731 #Symbol::delete_package __PACKAGE__; 3976 #clear_package __PACKAGE__;
2732 3977
2733 warn "unload completed, starting to reload now"; 3978 info "perl_reload: unload completed, starting to reload now";
2734 3979
2735 warn "reloading cf.pm"; 3980 trace "perl_reload: reloading cf.pm";
2736 require cf; 3981 require cf;
2737 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3982 cf::_connect_to_perl_1;
2738 3983
2739 warn "loading config and database again"; 3984 trace "perl_reload: loading config and database again";
2740 cf::cfg_load; 3985 cf::reload_config;
2741 3986
2742 warn "loading extensions"; 3987 trace "perl_reload: loading extensions";
2743 cf::load_extensions; 3988 cf::load_extensions;
2744 3989
3990 if ($REATTACH_ON_RELOAD) {
2745 warn "reattaching attachments to objects/players"; 3991 trace "perl_reload: reattaching attachments to objects/players";
2746 _global_reattach; # objects, sockets 3992 _global_reattach; # objects, sockets
2747 warn "reattaching attachments to maps"; 3993 trace "perl_reload: reattaching attachments to maps";
2748 reattach $_ for values %MAP; 3994 reattach $_ for values %MAP;
2749 warn "reattaching attachments to players"; 3995 trace "perl_reload: reattaching attachments to players";
2750 reattach $_ for values %PLAYER; 3996 reattach $_ for values %PLAYER;
3997 }
2751 3998
2752 warn "leaving sync_job"; 3999 cf::_post_init 1;
2753 4000
4001 trace "perl_reload: leaving sync_job";
4002
2754 1 4003 1
2755 } or do { 4004 } or do {
2756 warn $@; 4005 error $@;
2757 warn "error while reloading, exiting."; 4006 cf::cleanup "perl_reload: error, exiting.";
2758 exit 1; 4007 };
4008
4009 --$RELOAD;
2759 }; 4010 }
2760 4011
2761 warn "reloaded"; 4012 $t1 = AE::time - $t1;
4013 info "perl_reload: completed in ${t1}s\n";
2762}; 4014};
2763 4015
2764our $RELOAD_WATCHER; # used only during reload 4016our $RELOAD_WATCHER; # used only during reload
2765 4017
2766sub reload_perl() { 4018sub reload_perl() {
2767 # doing reload synchronously and two reloads happen back-to-back, 4019 # doing reload synchronously and two reloads happen back-to-back,
2768 # coro crashes during coro_state_free->destroy here. 4020 # coro crashes during coro_state_free->destroy here.
2769 4021
2770 $RELOAD_WATCHER ||= Event->timer ( 4022 $RELOAD_WATCHER ||= cf::async {
2771 reentrant => 0, 4023 Coro::AIO::aio_wait cache_extensions;
2772 after => 0, 4024
2773 data => WF_AUTOCANCEL, 4025 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774 cb => sub {
2775 do_reload_perl; 4026 do_reload_perl;
2776 undef $RELOAD_WATCHER; 4027 undef $RELOAD_WATCHER;
2777 }, 4028 };
2778 ); 4029 };
2779} 4030}
2780 4031
2781register_command "reload" => sub { 4032register_command "reload" => sub {
2782 my ($who, $arg) = @_; 4033 my ($who, $arg) = @_;
2783 4034
2784 if ($who->flag (FLAG_WIZ)) { 4035 if ($who->flag (FLAG_WIZ)) {
2785 $who->message ("reloading server."); 4036 $who->message ("reloading server.");
4037 async {
4038 $Coro::current->{desc} = "perl_reload";
2786 async { reload_perl }; 4039 reload_perl;
4040 };
2787 } 4041 }
2788}; 4042};
2789 4043
2790unshift @INC, $LIBDIR; 4044#############################################################################
2791 4045
2792my $bug_warning = 0; 4046my $bug_warning = 0;
2793 4047
2794our @WAIT_FOR_TICK; 4048our @WAIT_FOR_TICK;
2795our @WAIT_FOR_TICK_BEGIN; 4049our @WAIT_FOR_TICK_BEGIN;
2796 4050
2797sub wait_for_tick { 4051sub wait_for_tick() {
2798 return unless $TICK_WATCHER->is_active;
2799 return if $Coro::current == $Coro::main; 4052 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2800 4053
2801 my $signal = new Coro::Signal; 4054 my $signal = new Coro::Signal;
2802 push @WAIT_FOR_TICK, $signal; 4055 push @WAIT_FOR_TICK, $signal;
2803 $signal->wait; 4056 $signal->wait;
2804} 4057}
2805 4058
2806sub wait_for_tick_begin { 4059sub wait_for_tick_begin() {
2807 return unless $TICK_WATCHER->is_active;
2808 return if $Coro::current == $Coro::main; 4060 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2809 4061
2810 my $signal = new Coro::Signal; 4062 my $signal = new Coro::Signal;
2811 push @WAIT_FOR_TICK_BEGIN, $signal; 4063 push @WAIT_FOR_TICK_BEGIN, $signal;
2812 $signal->wait; 4064 $signal->wait;
2813} 4065}
2814 4066
2815$TICK_WATCHER = Event->timer ( 4067sub tick {
2816 reentrant => 0,
2817 parked => 1,
2818 prio => 0,
2819 at => $NEXT_TICK || $TICK,
2820 data => WF_AUTOCANCEL,
2821 cb => sub {
2822 if ($Coro::current != $Coro::main) { 4068 if ($Coro::current != $Coro::main) {
2823 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 4069 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2824 unless ++$bug_warning > 10; 4070 unless ++$bug_warning > 10;
2825 return; 4071 return;
2826 } 4072 }
2827 4073
2828 $NOW = Event::time;
2829
2830 cf::server_tick; # one server iteration 4074 cf::server_tick; # one server iteration
2831 4075
2832 $RUNTIME += $TICK; 4076 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2833 $NEXT_TICK += $TICK;
2834 4077
2835 if ($NOW >= $NEXT_RUNTIME_WRITE) { 4078 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836 $NEXT_RUNTIME_WRITE = $NOW + 10; 4079 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837 Coro::async_pool { 4080 Coro::async_pool {
4081 $Coro::current->{desc} = "runtime saver";
2838 write_runtime 4082 write_runtime_sync
2839 or warn "ERROR: unable to write runtime file: $!"; 4083 or error "ERROR: unable to write runtime file: $!";
2840 };
2841 } 4084 };
4085 }
2842 4086
2843# my $AFTER = Event::time;
2844# warn $AFTER - $NOW;#d#
2845
2846 # if we are delayed by four ticks or more, skip them all
2847 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849 $TICK_WATCHER->at ($NEXT_TICK);
2850 $TICK_WATCHER->start;
2851
2852 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 4087 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853 $sig->send; 4088 $sig->send;
2854 } 4089 }
2855 while (my $sig = shift @WAIT_FOR_TICK) { 4090 while (my $sig = shift @WAIT_FOR_TICK) {
2856 $sig->send; 4091 $sig->send;
2857 }
2858
2859 _post_tick;
2860 }, 4092 }
2861); 4093
4094 $LOAD = ($NOW - $TICK_START) / $TICK;
4095 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
4096
4097 if (0) {
4098 if ($NEXT_TICK) {
4099 my $jitter = $TICK_START - $NEXT_TICK;
4100 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4101 debug "jitter $JITTER\n";#d#
4102 }
4103 }
4104}
2862 4105
2863{ 4106{
2864 BDB::max_poll_time $TICK * 0.1; 4107 # configure BDB
2865 $BDB_POLL_WATCHER = Event->io ( 4108
2866 reentrant => 0,
2867 fd => BDB::poll_fileno,
2868 poll => 'r',
2869 prio => 0,
2870 data => WF_AUTOCANCEL,
2871 cb => \&BDB::poll_cb,
2872 );
2873 BDB::min_parallel 8; 4109 BDB::min_parallel 16;
2874 4110 BDB::max_poll_reqs $TICK * 0.1;
2875 BDB::set_sync_prepare { 4111 $AnyEvent::BDB::WATCHER->priority (1);
2876 my $status;
2877 my $current = $Coro::current;
2878 (
2879 sub {
2880 $status = $!;
2881 $current->ready; undef $current;
2882 },
2883 sub {
2884 Coro::schedule while defined $current;
2885 $! = $status;
2886 },
2887 )
2888 };
2889 4112
2890 unless ($DB_ENV) { 4113 unless ($DB_ENV) {
2891 $DB_ENV = BDB::db_env_create; 4114 $DB_ENV = BDB::db_env_create;
4115 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4116 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4117 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4118 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4119 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2892 4120
2893 cf::sync_job { 4121 cf::sync_job {
2894 eval { 4122 eval {
2895 BDB::db_env_open 4123 BDB::db_env_open
2896 $DB_ENV, 4124 $DB_ENV,
… …
2898 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 4126 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2899 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 4127 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900 0666; 4128 0666;
2901 4129
2902 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 4130 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905 $DB_ENV->set_lk_detect;
2906 }; 4131 };
2907 4132
2908 cf::cleanup "db_env_open(db): $@" if $@; 4133 cf::cleanup "db_env_open(db): $@" if $@;
2909 }; 4134 };
2910 } 4135 }
4136
4137 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4138 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4139 };
4140 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4141 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4142 };
4143 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4144 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4145 };
2911} 4146}
2912 4147
2913{ 4148{
4149 # configure IO::AIO
4150
2914 IO::AIO::min_parallel 8; 4151 IO::AIO::min_parallel 8;
2915
2916 undef $Coro::AIO::WATCHER;
2917 IO::AIO::max_poll_time $TICK * 0.1; 4152 IO::AIO::max_poll_time $TICK * 0.1;
2918 $AIO_POLL_WATCHER = Event->io ( 4153 undef $AnyEvent::AIO::WATCHER;
2919 reentrant => 0,
2920 data => WF_AUTOCANCEL,
2921 fd => IO::AIO::poll_fileno,
2922 poll => 'r',
2923 prio => 6,
2924 cb => \&IO::AIO::poll_cb,
2925 );
2926} 4154}
4155
4156our $_log_backtrace;
4157our $_log_backtrace_last;
2927 4158
2928sub _log_backtrace { 4159sub _log_backtrace {
2929 my ($msg, @addr) = @_; 4160 my ($msg, @addr) = @_;
2930 4161
4162 $msg =~ s/\n$//;
4163
4164 if ($_log_backtrace_last eq $msg) {
4165 LOG llevInfo, "[ABT] $msg\n";
4166 LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
4167 # limit the # of concurrent backtraces
4168 } elsif ($_log_backtrace < 2) {
4169 $_log_backtrace_last = $msg;
4170 ++$_log_backtrace;
4171 my $perl_bt = Carp::longmess $msg;
2931 async { 4172 async {
4173 $Coro::current->{desc} = "abt $msg";
4174
2932 my @bt = fork_call { 4175 my @bt = fork_call {
2933 @addr = map { sprintf "%x", $_ } @addr; 4176 @addr = map { sprintf "%x", $_ } @addr;
2934 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 4177 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2935 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 4178 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2936 or die "addr2line: $!"; 4179 or die "addr2line: $!";
2937 4180
2938 my @funcs; 4181 my @funcs;
2939 my @res = <$fh>; 4182 my @res = <$fh>;
2940 chomp for @res; 4183 chomp for @res;
2941 while (@res) { 4184 while (@res) {
2942 my ($func, $line) = splice @res, 0, 2, (); 4185 my ($func, $line) = splice @res, 0, 2, ();
2943 push @funcs, "[$func] $line"; 4186 push @funcs, "[$func] $line";
4187 }
4188
4189 @funcs
2944 } 4190 };
2945 4191
2946 @funcs 4192 LOG llevInfo, "[ABT] $perl_bt\n";
4193 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4194 LOG llevInfo, "[ABT] $_\n" for @bt;
4195 --$_log_backtrace;
2947 }; 4196 };
2948 4197 } else {
2949 $msg =~ s/\n//;
2950
2951 LOG llevInfo, "[ABT] $msg\n"; 4198 LOG llevInfo, "[ABT] $msg\n";
2952 LOG llevInfo, "[ABT] $_\n" for @bt; 4199 LOG llevInfo, "[ABT] [overload, suppressed]\n";
2953 }; 4200 }
2954} 4201}
2955 4202
2956# load additional modules 4203# load additional modules
2957use cf::pod; 4204require "cf/$_.pm" for @EXTRA_MODULES;
4205cf::_connect_to_perl_2;
2958 4206
2959END { cf::emergency_save } 4207END { cf::emergency_save }
2960 4208
29611 42091
2962 4210

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