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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your 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 GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
13use Coro 3.4 (); 37use Coro ();
38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
14use Coro::Event; 41use Coro::AnyEvent;
15use Coro::Timer; 42use Coro::Timer;
16use Coro::Signal; 43use Coro::Signal;
17use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
18use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
19 50
51use JSON::XS 2.01 ();
52use BDB ();
20use Data::Dumper; 53use Data::Dumper;
21use Digest::MD5; 54use Digest::MD5;
22use Fcntl; 55use Fcntl;
56use YAML ();
23use IO::AIO 2.32 (); 57use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 58use Time::HiRes;
59use Compress::LZF;
60use Digest::MD5 ();
26 61
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 62AnyEvent::detect;
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28 74
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 76
36our %COMMAND = (); 77our %COMMAND = ();
37our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
38 79
39our @EXTS = (); # list of extension package names 80our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 81our %EXTCMD = ();
82our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
43 85
86our $RELOAD; # number of reloads so far
44our @EVENT; 87our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 88
47our $TICK = MAX_TIME * 1e-6; 89our $CONFDIR = confdir;
48our $TICK_WATCHER; 90our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 91our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 92our $PODDIR = "$DATADIR/pod";
93our $MAPDIR = "$DATADIR/" . mapdir;
94our $LOCALDIR = localdir;
95our $TMPDIR = "$LOCALDIR/" . tmpdir;
96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98our $RANDOMDIR = "$LOCALDIR/random";
99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
104
105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 107our $NEXT_TICK;
52our $NOW; 108our $USE_FSYNC = 1; # use fsync to write maps - default off
109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
112our $BDB_TRICKLE_WATCHER;
113our $DB_ENV;
53 114
54our %CFG; 115our %CFG;
55 116
56our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 118our $RUNTIME;
119our $NOW;
58 120
59our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 123our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 124
67# used to convert map paths into valid unix filenames by replacing / by ∕ 125# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 127
128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
131our $TICK_START; # for load detecting purposes
132
70binmode STDOUT; 133binmode STDOUT;
71binmode STDERR; 134binmode STDERR;
72 135
73# read virtual server time, if available 136# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 138 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
78} 141}
79 142
80mkdir cf::localdir; 143mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 145
86our $EMERGENCY_POSITION; 146our $EMERGENCY_POSITION;
147
148sub cf::map::normalise;
87 149
88############################################################################# 150#############################################################################
89 151
90=head2 GLOBAL VARIABLES 152=head2 GLOBAL VARIABLES
91 153
… …
98=item $cf::RUNTIME 160=item $cf::RUNTIME
99 161
100The time this server has run, starts at 0 and is increased by $cf::TICK on 162The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 163every server tick.
102 164
103=item $cf::LIBDIR 165=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
166$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
167$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 168
105The perl library directory, where extensions and cf-specific modules can 169Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 170directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171unique-items directory, player file directory, random maps directory and
172database environment.
107 173
108=item $cf::NOW 174=item $cf::NOW
109 175
110The time of the last (current) server tick. 176The time of the last (current) server tick.
111 177
112=item $cf::TICK 178=item $cf::TICK
113 179
114The interval between server ticks, in seconds. 180The interval between server ticks, in seconds.
115 181
182=item $cf::LOADAVG
183
184The current CPU load on the server (alpha-smoothed), as a value between 0
185(none) and 1 (overloaded), indicating how much time is spent on processing
186objects per tick. Healthy values are < 0.5.
187
188=item $cf::LOAD
189
190The raw value load value from the last tick.
191
116=item %cf::CFG 192=item %cf::CFG
117 193
118Configuration for the server, loaded from C</etc/crossfire/config>, or 194Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 195from wherever your confdir points to.
120 196
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 197=item cf::wait_for_tick, cf::wait_for_tick_begin
122 198
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 199These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 200returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 201per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 202
203=item @cf::INVOKE_RESULTS
204
205This array contains the results of the last C<invoke ()> call. When
206C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
207that call.
127 208
128=back 209=back
129 210
130=cut 211=cut
131 212
132BEGIN { 213BEGIN {
133 *CORE::GLOBAL::warn = sub { 214 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 215 my $msg = join "", @_;
135 utf8::encode $msg;
136 216
137 $msg .= "\n" 217 $msg .= "\n"
138 unless $msg =~ /\n$/; 218 unless $msg =~ /\n$/;
139 219
220 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
221
140 LOG llevError, $msg; 222 LOG llevError, $msg;
141 }; 223 };
142} 224}
225
226$Coro::State::DIEHOOK = sub {
227 return unless $^S eq 0; # "eq", not "=="
228
229 if ($Coro::current == $Coro::main) {#d#
230 warn "DIEHOOK called in main context, Coro bug?\n";#d#
231 return;#d#
232 }#d#
233
234 # kill coroutine otherwise
235 warn Carp::longmess $_[0];
236 Coro::terminate
237};
238
239$SIG{__DIE__} = sub { }; #d#?
143 240
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 241@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 242@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 243@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 244@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 245@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
246@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 247@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 248
151# we bless all objects into (empty) derived classes to force a method lookup 249# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 250# within the Safe compartment.
153for my $pkg (qw( 251for my $pkg (qw(
154 cf::global cf::attachable 252 cf::global cf::attachable
155 cf::object cf::object::player 253 cf::object cf::object::player
156 cf::client cf::player 254 cf::client cf::player
157 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
158 cf::map cf::party cf::region 257 cf::party cf::region
159)) { 258)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 260}
163 261
164$Event::DIED = sub { 262$EV::DIED = sub {
165 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
166}; 264};
265
266#############################################################################
167 267
168=head2 UTILITY FUNCTIONS 268=head2 UTILITY FUNCTIONS
169 269
170=over 4 270=over 4
171 271
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 290 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 291 $d
192 } || "[unable to dump $_[0]: '$@']"; 292 } || "[unable to dump $_[0]: '$@']";
193} 293}
194 294
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 295=item $ref = cf::decode_json $json
198 296
199Converts a JSON string into the corresponding perl data structure. 297Converts a JSON string into the corresponding perl data structure.
200 298
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 299=item $json = cf::encode_json $ref
209 300
210Converts a perl data structure into its JSON representation. 301Converts a perl data structure into its JSON representation.
211 302
212=cut 303=cut
213 304
214sub to_json($) { 305our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 306
216 JSON::Syck::Dump $_[0] 307sub encode_json($) { $json_coder->encode ($_[0]) }
217} 308sub decode_json($) { $json_coder->decode ($_[0]) }
218 309
219=item cf::lock_wait $string 310=item cf::lock_wait $string
220 311
221Wait until the given lock is available. See cf::lock_acquire. 312Wait until the given lock is available. See cf::lock_acquire.
222 313
… …
225Wait until the given lock is available and then acquires it and returns 316Wait until the given lock is available and then acquires it and returns
226a Coro::guard object. If the guard object gets destroyed (goes out of scope, 317a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 318for example when the coroutine gets canceled), the lock is automatically
228returned. 319returned.
229 320
321Locks are *not* recursive, locking from the same coro twice results in a
322deadlocked coro.
323
230Lock names should begin with a unique identifier (for example, cf::map::find 324Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 325uses map_find and cf::map::load uses map_load).
232 326
327=item $locked = cf::lock_active $string
328
329Return true if the lock is currently active, i.e. somebody has locked it.
330
233=cut 331=cut
234 332
235our %LOCK; 333our %LOCK;
334our %LOCKER;#d#
236 335
237sub lock_wait($) { 336sub lock_wait($) {
238 my ($key) = @_; 337 my ($key) = @_;
338
339 if ($LOCKER{$key} == $Coro::current) {#d#
340 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341 return;#d#
342 }#d#
239 343
240 # wait for lock, if any 344 # wait for lock, if any
241 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 346 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 347 Coro::schedule;
… …
249 353
250 # wait, to be sure we are not locked 354 # wait, to be sure we are not locked
251 lock_wait $key; 355 lock_wait $key;
252 356
253 $LOCK{$key} = []; 357 $LOCK{$key} = [];
358 $LOCKER{$key} = $Coro::current;#d#
254 359
255 Coro::guard { 360 Coro::guard {
361 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 362 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 363 $_->ready for @{ delete $LOCK{$key} };
258 } 364 }
259} 365}
260 366
367sub lock_active($) {
368 my ($key) = @_;
369
370 ! ! $LOCK{$key}
371}
372
261sub freeze_mainloop { 373sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 374 tick_inhibit_inc;
263 375
264 my $guard = Coro::guard { 376 Coro::guard \&tick_inhibit_dec;
265 $TICK_WATCHER->start; 377}
266 $WRITE_RUNTIME_WATCHER->start; 378
379=item cf::periodic $interval, $cb
380
381Like EV::periodic, but randomly selects a starting point so that the actions
382get spread over timer.
383
384=cut
385
386sub periodic($$) {
387 my ($interval, $cb) = @_;
388
389 my $start = rand List::Util::min 180, $interval;
390
391 EV::periodic $start, $interval, 0, $cb
392}
393
394=item cf::get_slot $time[, $priority[, $name]]
395
396Allocate $time seconds of blocking CPU time at priority C<$priority>:
397This call blocks and returns only when you have at least C<$time> seconds
398of cpu time till the next tick. The slot is only valid till the next cede.
399
400The optional C<$name> can be used to identify the job to run. It might be
401used for statistical purposes and should identify the same time-class.
402
403Useful for short background jobs.
404
405=cut
406
407our @SLOT_QUEUE;
408our $SLOT_QUEUE;
409
410$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411$SLOT_QUEUE = Coro::async {
412 $Coro::current->desc ("timeslot manager");
413
414 my $signal = new Coro::Signal;
415
416 while () {
417 next_job:
418 my $avail = cf::till_tick;
419 if ($avail > 0.01) {
420 for (0 .. $#SLOT_QUEUE) {
421 if ($SLOT_QUEUE[$_][0] < $avail) {
422 my $job = splice @SLOT_QUEUE, $_, 1, ();
423 $job->[2]->send;
424 Coro::cede;
425 goto next_job;
426 }
427 }
428 }
429
430 if (@SLOT_QUEUE) {
431 # we do not use wait_for_tick() as it returns immediately when tick is inactive
432 push @cf::WAIT_FOR_TICK, $signal;
433 $signal->wait;
434 } else {
435 Coro::schedule;
436 }
267 }; 437 }
268 $WRITE_RUNTIME_WATCHER->stop; 438};
269 $TICK_WATCHER->stop; 439
270 $guard 440sub get_slot($;$$) {
441 return if tick_inhibit || $Coro::current == $Coro::main;
442
443 my ($time, $pri, $name) = @_;
444
445 $time = $TICK * .6 if $time > $TICK * .6;
446 my $sig = new Coro::Signal;
447
448 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450 $SLOT_QUEUE->ready;
451 $sig->wait;
271} 452}
272 453
273=item cf::async { BLOCK } 454=item cf::async { BLOCK }
274 455
275Currently the same as Coro::async_pool, meaning you cannot use 456Currently the same as Coro::async_pool, meaning you cannot use
… …
280 461
281BEGIN { *async = \&Coro::async_pool } 462BEGIN { *async = \&Coro::async_pool }
282 463
283=item cf::sync_job { BLOCK } 464=item cf::sync_job { BLOCK }
284 465
285The design of crossfire+ requires that the main coro ($Coro::main) is 466The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 467is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 468partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
469acceptable.
288 470
289If it must be done, put the blocking parts into C<sync_job>. This will run 471If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 472the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 473server will be frozen during this time, so the block should either finish
292fast or be very important. 474fast or be very important.
… …
295 477
296sub sync_job(&) { 478sub sync_job(&) {
297 my ($job) = @_; 479 my ($job) = @_;
298 480
299 if ($Coro::current == $Coro::main) { 481 if ($Coro::current == $Coro::main) {
482 my $time = EV::time;
483
300 # this is the main coro, too bad, we have to block 484 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 485 # till the operation succeeds, freezing the server :/
302 486
303 # TODO: use suspend/resume instead 487 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 488
305 my $freeze_guard = freeze_mainloop; 489 my $freeze_guard = freeze_mainloop;
306 490
307 my $busy = 1; 491 my $busy = 1;
308 my @res; 492 my @res;
309 493
310 (async { 494 (async {
495 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 496 @res = eval { $job->() };
312 warn $@ if $@; 497 warn $@ if $@;
313 undef $busy; 498 undef $busy;
314 })->prio (Coro::PRIO_MAX); 499 })->prio (Coro::PRIO_MAX);
315 500
316 while ($busy) { 501 while ($busy) {
317 Coro::cede or Event::one_event; 502 if (Coro::nready) {
503 Coro::cede_notself;
504 } else {
505 EV::loop EV::LOOP_ONESHOT;
318 } 506 }
507 }
508
509 my $time = EV::time - $time;
510
511 $TICK_START += $time; # do not account sync jobs to server load
319 512
320 wantarray ? @res : $res[0] 513 wantarray ? @res : $res[0]
321 } else { 514 } else {
322 # we are in another coroutine, how wonderful, everything just works 515 # we are in another coroutine, how wonderful, everything just works
323 516
… …
343 $EXT_CORO{$coro+0} = $coro; 536 $EXT_CORO{$coro+0} = $coro;
344 537
345 $coro 538 $coro
346} 539}
347 540
348sub write_runtime { 541=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 542
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 543Executes the given code block with the given arguments in a seperate
352 or return; 544process, returning the results. Everything must be serialisable with
545Coro::Storable. May, of course, block. Note that the executed sub may
546never block itself or use any form of event handling.
353 547
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 548=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 549
358 aio_fsync $fh 550sub fork_call(&@) {
359 and return; 551 my ($cb, @args) = @_;
360 552
361 close $fh 553 # we seemingly have to make a local copy of the whole thing,
362 or return; 554 # otherwise perl prematurely frees the stuff :/
555 # TODO: investigate and fix (likely this will be rather laborious)
363 556
364 aio_rename "$runtime~", $runtime 557 my @res = Coro::Util::fork_eval {
365 and return; 558 reset_signals;
559 &$cb
560 }, @args;
366 561
562 wantarray ? @res : $res[-1]
563}
564
565=item $coin = coin_from_name $name
566
567=cut
568
569our %coin_alias = (
570 "silver" => "silvercoin",
571 "silvercoin" => "silvercoin",
572 "silvercoins" => "silvercoin",
573 "gold" => "goldcoin",
574 "goldcoin" => "goldcoin",
575 "goldcoins" => "goldcoin",
576 "platinum" => "platinacoin",
577 "platinumcoin" => "platinacoin",
578 "platinumcoins" => "platinacoin",
579 "platina" => "platinacoin",
580 "platinacoin" => "platinacoin",
581 "platinacoins" => "platinacoin",
582 "royalty" => "royalty",
583 "royalties" => "royalty",
584);
585
586sub coin_from_name($) {
587 $coin_alias{$_[0]}
588 ? cf::arch::find $coin_alias{$_[0]}
589 : undef
590}
591
592=item $value = cf::db_get $family => $key
593
594Returns a single value from the environment database.
595
596=item cf::db_put $family => $key => $value
597
598Stores the given C<$value> in the family. It can currently store binary
599data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
600
601=item $db = cf::db_table "name"
602
603Create and/or open a new database table. The string must not be "db" and must be unique
604within each server.
605
606=cut
607
608sub db_table($) {
609 my ($name) = @_;
610 my $db = BDB::db_create $DB_ENV;
611
612 eval {
613 $db->set_flags (BDB::CHKSUM);
614
615 utf8::encode $name;
616 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
617 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
618 cf::cleanup "db_open(db): $!" if $!;
619 };
620 cf::cleanup "db_open(db): $@" if $@;
621
622 $db
623}
624
625our $DB;
626
627sub db_init {
628 cf::sync_job {
629 $DB ||= db_table "db";
630 };
631}
632
633sub db_get($$) {
634 my $key = "$_[0]/$_[1]";
635
636 cf::sync_job {
637 BDB::db_get $DB, undef, $key, my $data;
638
639 $! ? ()
640 : $data
367 1 641 }
642}
643
644sub db_put($$$) {
645 BDB::dbreq_pri 4;
646 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
647}
648
649=item cf::cache $id => [$paths...], $processversion => $process
650
651Generic caching function that returns the value of the resource $id,
652caching and regenerating as required.
653
654This function can block.
655
656=cut
657
658sub cache {
659 my ($id, $src, $processversion, $process) = @_;
660
661 my $meta =
662 join "\x00",
663 $processversion,
664 map {
665 aio_stat $_
666 and Carp::croak "$_: $!";
667
668 ($_, (stat _)[7,9])
669 } @$src;
670
671 my $dbmeta = db_get cache => "$id/meta";
672 if ($dbmeta ne $meta) {
673 # changed, we may need to process
674
675 my @data;
676 my $md5;
677
678 for (0 .. $#$src) {
679 0 <= aio_load $src->[$_], $data[$_]
680 or Carp::croak "$src->[$_]: $!";
681 }
682
683 # if processing is expensive, check
684 # checksum first
685 if (1) {
686 $md5 =
687 join "\x00",
688 $processversion,
689 map {
690 cf::cede_to_tick;
691 ($src->[$_], Digest::MD5::md5_hex $data[$_])
692 } 0.. $#$src;
693
694
695 my $dbmd5 = db_get cache => "$id/md5";
696 if ($dbmd5 eq $md5) {
697 db_put cache => "$id/meta", $meta;
698
699 return db_get cache => "$id/data";
700 }
701 }
702
703 my $t1 = Time::HiRes::time;
704 my $data = $process->(\@data);
705 my $t2 = Time::HiRes::time;
706
707 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
708
709 db_put cache => "$id/data", $data;
710 db_put cache => "$id/md5" , $md5;
711 db_put cache => "$id/meta", $meta;
712
713 return $data;
714 }
715
716 db_get cache => "$id/data"
717}
718
719=item cf::datalog type => key => value, ...
720
721Log a datalog packet of the given type with the given key-value pairs.
722
723=cut
724
725sub datalog($@) {
726 my ($type, %kv) = @_;
727 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 728}
369 729
370=back 730=back
371 731
372=cut 732=cut
373 733
374############################################################################# 734#############################################################################
375 735
376=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
377 737
378Many objects in crossfire are so-called attachable objects. That means you can 738Many objects in deliantra are so-called attachable objects. That means you can
379attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
381 741
382In the following description, CLASS can be any of C<global>, C<object> 742In the following description, CLASS can be any of C<global>, C<object>
383C<player>, C<client> or C<map> (i.e. the attachable objects in 743C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 744Deliantra).
385 745
386=over 4 746=over 4
387 747
388=item $attachable->attach ($attachment, key => $value...) 748=item $attachable->attach ($attachment, key => $value...)
389 749
… …
433=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
434 794
435Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
437 797
438Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
439that are attached at load/instantiate time, thus the need for a name. 799that are attached at load/instantiate time, thus the need for a name.
440 800
441These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
442 802
443=over 4 803=over 4
… …
552 $registry = $CB_TYPE[$object_type] ||= []; 912 $registry = $CB_TYPE[$object_type] ||= [];
553 913
554 } elsif ($type eq "subtype") { 914 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 915 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 916 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 917 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 918
559 } elsif ($type eq "package") { 919 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 920 my $pkg = shift @arg;
561 921
562 while (my ($name, $id) = each %cb_id) { 922 while (my ($name, $id) = each %cb_id) {
… …
591 _attach $registry, $klass, @attach; 951 _attach $registry, $klass, @attach;
592 } 952 }
593 953
594 $obj->{$name} = \%arg; 954 $obj->{$name} = \%arg;
595 } else { 955 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 956 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 957 }
598 958
599 $obj->{_attachment}{$name} = undef; 959 $obj->{_attachment}{$name} = undef;
600} 960}
601 961
… …
603 if (ref $_[0]) { 963 if (ref $_[0]) {
604 _object_attach @_; 964 _object_attach @_;
605 } else { 965 } else {
606 _attach shift->_attach_registry, @_; 966 _attach shift->_attach_registry, @_;
607 } 967 }
968 _recalc_want;
608}; 969};
609 970
610# all those should be optimised 971# all those should be optimised
611sub cf::attachable::detach { 972sub cf::attachable::detach {
612 my ($obj, $name) = @_; 973 my ($obj, $name) = @_;
… …
615 delete $obj->{_attachment}{$name}; 976 delete $obj->{_attachment}{$name};
616 reattach ($obj); 977 reattach ($obj);
617 } else { 978 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 979 Carp::croak "cannot, currently, detach class attachments";
619 } 980 }
981 _recalc_want;
620}; 982};
621 983
622sub cf::attachable::attached { 984sub cf::attachable::attached {
623 my ($obj, $name) = @_; 985 my ($obj, $name) = @_;
624 986
… …
639 "; 1001 ";
640 die if $@; 1002 die if $@;
641} 1003}
642 1004
643our $override; 1005our $override;
644our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1006our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645 1007
646sub override { 1008sub override {
647 $override = 1; 1009 $override = 1;
648 @invoke_results = (); 1010 @INVOKE_RESULTS = (@_);
649} 1011}
650 1012
651sub do_invoke { 1013sub do_invoke {
652 my $event = shift; 1014 my $event = shift;
653 my $callbacks = shift; 1015 my $callbacks = shift;
654 1016
655 @invoke_results = (); 1017 @INVOKE_RESULTS = ();
656 1018
657 local $override; 1019 local $override;
658 1020
659 for (@$callbacks) { 1021 for (@$callbacks) {
660 eval { &{$_->[1]} }; 1022 eval { &{$_->[1]} };
… …
669 } 1031 }
670 1032
671 0 1033 0
672} 1034}
673 1035
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 1037
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1039
678Generate an object-specific event with the given arguments. 1040Generate an object-specific event with the given arguments.
679 1041
680This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1042This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681removed in future versions), and there is no public API to access override 1043removed in future versions), and there is no public API to access override
682results (if you must, access C<@cf::invoke_results> directly). 1044results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1045
684=back 1046=back
685 1047
686=cut 1048=cut
687 1049
688############################################################################# 1050#############################################################################
689# object support 1051# object support
1052
1053sub _object_equal($$);
1054sub _object_equal($$) {
1055 my ($a, $b) = @_;
1056
1057 return 0 unless (ref $a) eq (ref $b);
1058
1059 if ("HASH" eq ref $a) {
1060 my @ka = keys %$a;
1061 my @kb = keys %$b;
1062
1063 return 0 if @ka != @kb;
1064
1065 for (0 .. $#ka) {
1066 return 0 unless $ka[$_] eq $kb[$_];
1067 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1068 }
1069
1070 } elsif ("ARRAY" eq ref $a) {
1071
1072 return 0 if @$a != @$b;
1073
1074 for (0 .. $#$a) {
1075 return 0 unless _object_equal $a->[$_], $b->[$_];
1076 }
1077
1078 } elsif ($a ne $b) {
1079 return 0;
1080 }
1081
1082 1
1083}
1084
1085our $SLOW_MERGES;#d#
1086sub _can_merge {
1087 my ($ob1, $ob2) = @_;
1088
1089 ++$SLOW_MERGES;#d#
1090
1091 # we do the slow way here
1092 return _object_equal $ob1, $ob2
1093}
690 1094
691sub reattach { 1095sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1096 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1097 my ($obj) = @_;
694 1098
1099 # no longer needed after getting rid of delete_package?
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1100 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
696 1101
697 my $registry = $obj->registry; 1102 my $registry = $obj->registry;
698 1103
699 @$registry = (); 1104 @$registry = ();
700 1105
… …
715cf::attachable->attach ( 1120cf::attachable->attach (
716 prio => -1000000, 1121 prio => -1000000,
717 on_instantiate => sub { 1122 on_instantiate => sub {
718 my ($obj, $data) = @_; 1123 my ($obj, $data) = @_;
719 1124
720 $data = from_json $data; 1125 $data = decode_json $data;
721 1126
722 for (@$data) { 1127 for (@$data) {
723 my ($name, $args) = @$_; 1128 my ($name, $args) = @$_;
724 1129
725 $obj->attach ($name, %{$args || {} }); 1130 $obj->attach ($name, %{$args || {} });
… …
741sub object_freezer_save { 1146sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1147 my ($filename, $rdata, $objs) = @_;
743 1148
744 sync_job { 1149 sync_job {
745 if (length $$rdata) { 1150 if (length $$rdata) {
1151 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1152 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1153 $decname, length $$rdata, scalar @$objs;
748 1154
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1157 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752 aio_fsync $fh; 1158 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 1159 aio_close $fh;
754 1160
755 if (@$objs) { 1161 if (@$objs) {
756 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1162 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 1163 aio_chmod $fh, SAVE_MODE;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1164 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1165 aio_write $fh, 0, (length $data), $data, 0;
760 aio_fsync $fh; 1166 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 1167 aio_close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1168 aio_rename "$filename.pst~", "$filename.pst";
763 } 1169 }
764 } else { 1170 } else {
765 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
766 } 1172 }
… …
771 } 1177 }
772 } else { 1178 } else {
773 aio_unlink $filename; 1179 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1180 aio_unlink "$filename.pst";
775 } 1181 }
776 } 1182 };
777} 1183}
778 1184
779sub object_freezer_as_string { 1185sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1186 my ($rdata, $objs) = @_;
781 1187
… …
793 or return; 1199 or return;
794 1200
795 unless (aio_stat "$filename.pst") { 1201 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1202 (aio_load "$filename.pst", $av) >= 0
797 or return; 1203 or return;
1204
798 $av = eval { (Storable::thaw $av)->{objs} }; 1205 my $st = eval { Coro::Storable::thaw $av };
1206 $av = $st->{objs};
799 } 1207 }
800 1208
1209 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1210 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1211 $decname, length $data, scalar @{$av || []};
1212
803 return ($data, $av); 1213 ($data, $av)
804} 1214}
1215
1216=head2 COMMAND CALLBACKS
1217
1218=over 4
1219
1220=cut
805 1221
806############################################################################# 1222#############################################################################
807# command handling &c 1223# command handling &c
808 1224
809=item cf::register_command $name => \&callback($ob,$args); 1225=item cf::register_command $name => \&callback($ob,$args);
… …
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1238 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1239}
824 1240
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1241=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1242
827Register a callbackf ro execution when the client sends an extcmd packet. 1243Register a callback for execution when the client sends an (synchronous)
1244extcmd packet. Ext commands will be processed in the order they are
1245received by the server, like other user commands. The first argument is
1246the logged-in player. Ext commands can only be processed after a player
1247has logged in successfully.
828 1248
829If the callback returns something, it is sent back as if reply was being 1249If the callback returns something, it is sent back as if reply was being
830called. 1250called.
831 1251
1252=item cf::register_exticmd $name => \&callback($ns,$packet);
1253
1254Register a callback for execution when the client sends an (asynchronous)
1255exticmd packet. Exti commands are processed by the server as soon as they
1256are received, i.e. out of order w.r.t. other commands. The first argument
1257is a client socket. Exti commands can be received anytime, even before
1258log-in.
1259
1260If the callback returns something, it is sent back as if reply was being
1261called.
1262
832=cut 1263=cut
833 1264
834sub register_extcmd { 1265sub register_extcmd {
835 my ($name, $cb) = @_; 1266 my ($name, $cb) = @_;
836 1267
837 $EXTCMD{$name} = $cb; 1268 $EXTCMD{$name} = $cb;
1269}
1270
1271sub register_exticmd {
1272 my ($name, $cb) = @_;
1273
1274 $EXTICMD{$name} = $cb;
838} 1275}
839 1276
840cf::player->attach ( 1277cf::player->attach (
841 on_command => sub { 1278 on_command => sub {
842 my ($pl, $name, $params) = @_; 1279 my ($pl, $name, $params) = @_;
… …
851 cf::override; 1288 cf::override;
852 }, 1289 },
853 on_extcmd => sub { 1290 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1291 my ($pl, $buf) = @_;
855 1292
856 my $msg = eval { from_json $buf }; 1293 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1294
858 if (ref $msg) { 1295 if (ref $msg) {
1296 my ($type, $reply, @payload) =
1297 "ARRAY" eq ref $msg
1298 ? @$msg
1299 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300
1301 my @reply;
1302
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1303 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1304 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1305 }
1306
1307 $pl->ext_reply ($reply, @reply)
1308 if $reply;
1309
864 } else { 1310 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1311 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1312 }
867 1313
868 cf::override; 1314 cf::override;
869 }, 1315 },
870); 1316);
871 1317
872sub load_extension {
873 my ($path) = @_;
874
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
876 my $base = $1;
877 my $pkg = $1;
878 $pkg =~ s/[^[:word:]]/_/g;
879 $pkg = "ext::$pkg";
880
881 warn "... loading '$path' into '$pkg'\n";
882
883 open my $fh, "<:utf8", $path
884 or die "$path: $!";
885
886 my $source =
887 "package $pkg; use strict; use utf8;\n"
888 . "#line 1 \"$path\"\n{\n"
889 . (do { local $/; <$fh> })
890 . "\n};\n1";
891
892 unless (eval $source) {
893 my $msg = $@ ? "$path: $@\n"
894 : "extension disabled.\n";
895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896 warn $@;
897 warn "mandatory extension failed to load, exiting.\n";
898 exit 1;
899 }
900 die $@;
901 }
902
903 push @EXTS, $pkg;
904}
905
906sub load_extensions { 1318sub load_extensions {
1319 cf::sync_job {
1320 my %todo;
1321
907 for my $ext (<$LIBDIR/*.ext>) { 1322 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1323 next unless -r $path;
909 eval { 1324
910 load_extension $ext; 1325 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1326 my $base = $1;
1327 my $pkg = $1;
1328 $pkg =~ s/[^[:word:]]/_/g;
1329 $pkg = "ext::$pkg";
1330
1331 open my $fh, "<:utf8", $path
1332 or die "$path: $!";
1333
1334 my $source = do { local $/; <$fh> };
1335
1336 my %ext = (
1337 path => $path,
1338 base => $base,
1339 pkg => $pkg,
1340 );
1341
1342 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344
1345 $ext{source} =
1346 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1347 . "#line 1 \"$path\"\n{\n"
1348 . $source
1349 . "\n};\n1";
1350
1351 $todo{$base} = \%ext;
1352 }
1353
1354 my %done;
1355 while (%todo) {
1356 my $progress;
1357
1358 while (my ($k, $v) = each %todo) {
1359 for (split /,\s*/, $v->{meta}{depends}) {
1360 goto skip
1361 unless exists $done{$_};
1362 }
1363
1364 warn "... loading '$k' into '$v->{pkg}'\n";
1365
1366 unless (eval $v->{source}) {
1367 my $msg = $@ ? "$v->{path}: $@\n"
1368 : "$v->{base}: extension inactive.\n";
1369
1370 if (exists $v->{meta}{mandatory}) {
1371 warn $msg;
1372 cf::cleanup "mandatory extension failed to load, exiting.";
1373 }
1374
1375 warn $msg;
1376 }
1377
1378 $done{$k} = delete $todo{$k};
1379 push @EXTS, $v->{pkg};
1380 $progress = 1;
911 1 1381 }
912 } or warn "$ext not loaded: $@"; 1382
1383 skip:
1384 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1385 unless $progress;
1386 }
913 } 1387 };
914} 1388}
915 1389
916############################################################################# 1390#############################################################################
917 1391
1392=back
1393
918=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
919 1395
920Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
921 1397
922=cut 1398=cut
923 1399
924package cf::player; 1400package cf::player;
925 1401
… …
927 1403
928=head3 cf::player 1404=head3 cf::player
929 1405
930=over 4 1406=over 4
931 1407
1408=item cf::player::num_playing
1409
1410Returns the official number of playing players, as per the Crossfire metaserver rules.
1411
1412=cut
1413
1414sub num_playing {
1415 scalar grep
1416 $_->ob->map
1417 && !$_->hidden
1418 && !$_->ob->flag (cf::FLAG_WIZ),
1419 cf::player::list
1420}
1421
932=item cf::player::find $login 1422=item cf::player::find $login
933 1423
934Returns the given player object, loading it if necessary (might block). 1424Returns the given player object, loading it if necessary (might block).
935 1425
936=cut 1426=cut
937 1427
938sub playerdir($) { 1428sub playerdir($) {
939 cf::localdir 1429 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1430 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1431}
945 1432
946sub path($) { 1433sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1434 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1435
949 (playerdir $login) . "/$login.pl" 1436 (playerdir $login) . "/playerdata"
950} 1437}
951 1438
952sub find_active($) { 1439sub find_active($) {
953 $cf::PLAYER{$_[0]} 1440 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1441 and $cf::PLAYER{$_[0]}->active
… …
957 1444
958sub exists($) { 1445sub exists($) {
959 my ($login) = @_; 1446 my ($login) = @_;
960 1447
961 $cf::PLAYER{$login} 1448 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1449 or cf::sync_job { !aio_stat path $login }
963} 1450}
964 1451
965sub find($) { 1452sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1453 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1454 my $login = $_[0];
968 1455
969 my $guard = cf::lock_acquire "user_find:$login"; 1456 my $guard = cf::lock_acquire "user_find:$login";
970 1457
971 $cf::PLAYER{$_[0]} || do { 1458 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login 1459 # rename old playerfiles to new ones
1460 #TODO: remove when no longer required
1461 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1462 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1463 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1464 aio_unlink +(playerdir $login) . "/$login.pl";
1465
1466 my $f = new_from_file cf::object::thawer path $login
973 or return; 1467 or return;
1468
1469 my $pl = cf::player::load_pl $f
1470 or return;
1471
1472 local $cf::PLAYER_LOADING{$login} = $pl;
1473 $f->resolve_delayed_derefs;
974 $cf::PLAYER{$login} = $pl 1474 $cf::PLAYER{$login} = $pl
975 } 1475 }
976 } 1476 }
977} 1477}
978 1478
… …
987 return if $pl->{deny_save}; 1487 return if $pl->{deny_save};
988 1488
989 aio_mkdir playerdir $pl, 0770; 1489 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1490 $pl->{last_save} = $cf::RUNTIME;
991 1491
1492 cf::get_slot 0.01;
1493
992 $pl->save_pl ($path); 1494 $pl->save_pl ($path);
993 Coro::cede; 1495 cf::cede_to_tick;
994} 1496}
995 1497
996sub new($) { 1498sub new($) {
997 my ($login) = @_; 1499 my ($login) = @_;
998 1500
… …
1004 $cf::PLAYER{$login} = $self; 1506 $cf::PLAYER{$login} = $self;
1005 1507
1006 $self 1508 $self
1007} 1509}
1008 1510
1511=item $player->send_msg ($channel, $msg, $color, [extra...])
1512
1513=cut
1514
1515sub send_msg {
1516 my $ns = shift->ns
1517 or return;
1518 $ns->send_msg (@_);
1519}
1520
1009=item $pl->quit_character 1521=item $pl->quit_character
1010 1522
1011Nukes the player without looking back. If logged in, the connection will 1523Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1524be destroyed. May block for a long time.
1013 1525
1014=cut 1526=cut
1015 1527
1016sub quit_character { 1528sub quit_character {
1017 my ($pl) = @_; 1529 my ($pl) = @_;
1018 1530
1531 my $name = $pl->ob->name;
1532
1019 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1534 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1021 1535
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate; 1537 $pl->deactivate;
1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1539 $pl->ob->check_score;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1540 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns; 1541 $pl->ns->destroy if $pl->ns;
1026 1542
1027 my $path = playerdir $pl; 1543 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1544 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1545 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1546 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1547 $pl->destroy;
1548
1549 my $prefix = qr<^~\Q$name\E/>;
1550
1551 # nuke player maps
1552 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1553
1032 IO::AIO::aio_rmtree $temp; 1554 IO::AIO::aio_rmtree $temp;
1555}
1556
1557=item $pl->kick
1558
1559Kicks a player out of the game. This destroys the connection.
1560
1561=cut
1562
1563sub kick {
1564 my ($pl, $kicker) = @_;
1565
1566 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1567 $pl->killer ("kicked");
1568 $pl->ns->destroy;
1033} 1569}
1034 1570
1035=item cf::player::list_logins 1571=item cf::player::list_logins
1036 1572
1037Returns am arrayref of all valid playernames in the system, can take a 1573Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1574while and may block, so not sync_job-capable, ever.
1039 1575
1040=cut 1576=cut
1041 1577
1042sub list_logins { 1578sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1579 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1580 or return [];
1045 1581
1046 my @logins; 1582 my @logins;
1047 1583
1048 for my $login (@$dirs) { 1584 for my $login (@$dirs) {
1585 my $path = path $login;
1586
1587 # a .pst is a dead give-away for a valid player
1588 # if no pst file found, open and chekc for blocked users
1589 if (aio_stat "$path.pst") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1590 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1591 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1592 $buf !~ /^password -------------$/m or next; # official not-valid tag
1593 }
1052 1594
1053 utf8::decode $login; 1595 utf8::decode $login;
1054 push @logins, $login; 1596 push @logins, $login;
1055 } 1597 }
1056 1598
… …
1064 1606
1065=cut 1607=cut
1066 1608
1067sub maps($) { 1609sub maps($) {
1068 my ($pl) = @_; 1610 my ($pl) = @_;
1611
1612 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1613
1070 my $files = aio_readdir playerdir $pl 1614 my $files = aio_readdir playerdir $pl
1071 or return; 1615 or return;
1072 1616
1073 my @paths; 1617 my @paths;
… …
1075 for (@$files) { 1619 for (@$files) {
1076 utf8::decode $_; 1620 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1621 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1622 next unless /^$PATH_SEP/o;
1079 1623
1080 s/\.map$//; 1624 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1625 }
1083 1626
1084 \@paths 1627 \@paths
1085} 1628}
1086 1629
1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631
1632Expand deliantra pod fragments into protocol xml.
1633
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1634=item $player->ext_reply ($msgid, @msg)
1088 1635
1089Sends an ext reply to the player. 1636Sends an ext reply to the player.
1090 1637
1091=cut 1638=cut
1092 1639
1093sub ext_reply($$$%) { 1640sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1641 my ($self, $id, @msg) = @_;
1095 1642
1096 $msg{msgid} = $id; 1643 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1644}
1100 1645
1101package cf; 1646=item $player->ext_msg ($type, @msg)
1647
1648Sends an ext event to the client.
1649
1650=cut
1651
1652sub ext_msg($$@) {
1653 my ($self, $type, @msg) = @_;
1654
1655 $self->ns->ext_msg ($type, @msg);
1656}
1657
1658=head3 cf::region
1659
1660=over 4
1661
1662=cut
1663
1664package cf::region;
1665
1666=item cf::region::find_by_path $path
1667
1668Tries to decuce the likely region for a map knowing only its path.
1669
1670=cut
1671
1672sub find_by_path($) {
1673 my ($path) = @_;
1674
1675 my ($match, $specificity);
1676
1677 for my $region (list) {
1678 if ($region->{match} && $path =~ $region->{match}) {
1679 ($match, $specificity) = ($region, $region->specificity)
1680 if $region->specificity > $specificity;
1681 }
1682 }
1683
1684 $match
1685}
1102 1686
1103=back 1687=back
1104
1105 1688
1106=head3 cf::map 1689=head3 cf::map
1107 1690
1108=over 4 1691=over 4
1109 1692
… …
1121our $MAX_RESET = 3600; 1704our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1705our $DEFAULT_RESET = 3000;
1123 1706
1124sub generate_random_map { 1707sub generate_random_map {
1125 my ($self, $rmp) = @_; 1708 my ($self, $rmp) = @_;
1709
1710 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126 1711
1127 # mit "rum" bekleckern, nicht 1712 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1713 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1714 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1715 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1723 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1724 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1725 )
1141} 1726}
1142 1727
1728=item cf::map->register ($regex, $prio)
1729
1730Register a handler for the map path matching the given regex at the
1731givne priority (higher is better, built-in handlers have priority 0, the
1732default).
1733
1734=cut
1735
1143sub register { 1736sub register {
1144 my (undef, $regex) = @_; 1737 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1738 my $pkg = caller;
1146 1739
1147 no strict; 1740 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1741 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1742
1150 $EXT_MAP{$pkg} = qr<$regex>; 1743 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1744}
1152 1745
1153# also paths starting with '/' 1746# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1747$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155 1748
1156sub thawer_merge { 1749sub thawer_merge {
1157 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1158 1751
1159 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1160 local $self->{path}; 1753 local $self->{path};
1161 local $self->{load_path}; 1754 local $self->{load_path};
1162 local $self->{deny_save};
1163 local $self->{deny_reset};
1164 1755
1165 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1166} 1757}
1167 1758
1168sub normalise { 1759sub normalise {
1169 my ($path, $base) = @_; 1760 my ($path, $base) = @_;
1761
1762 $path = "$path"; # make sure its a string
1763
1764 $path =~ s/\.map$//;
1170 1765
1171 # map plan: 1766 # map plan:
1172 # 1767 #
1173 # /! non-realised random map exit (special hack!) 1768 # /! non-realised random map exit (special hack!)
1174 # {... are special paths that are not being touched 1769 # {... are special paths that are not being touched
… …
1202 1797
1203 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1798 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204 1799
1205 $path = normalise $path, $base; 1800 $path = normalise $path, $base;
1206 1801
1207 for my $pkg (keys %EXT_MAP) { 1802 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208 if ($path =~ $EXT_MAP{$pkg}) { 1803 if ($path =~ $EXT_MAP{$pkg}[1]) {
1209 my $self = bless cf::map::new, $pkg; 1804 my $self = bless cf::map::new, $pkg;
1210 $self->{path} = $path; $self->path ($path); 1805 $self->{path} = $path; $self->path ($path);
1211 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1212 return $self; 1807 return $self;
1213 } 1808 }
1214 } 1809 }
1215 1810
1216 Carp::carp "unable to resolve path '$path'."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1217 () 1812 ()
1218} 1813}
1219 1814
1220sub init { 1815sub init {
1221 my ($self) = @_; 1816 my ($self) = @_;
… …
1236 1831
1237# the original (read-only) location 1832# the original (read-only) location
1238sub load_path { 1833sub load_path {
1239 my ($self) = @_; 1834 my ($self) = @_;
1240 1835
1241 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1242} 1837}
1243 1838
1244# the temporary/swap location 1839# the temporary/swap location
1245sub save_path { 1840sub save_path {
1246 my ($self) = @_; 1841 my ($self) = @_;
1247 1842
1248 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1249 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1250} 1845}
1251 1846
1252# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1253sub uniq_path { 1848sub uniq_path {
1254 my ($self) = @_; 1849 my ($self) = @_;
1255 1850
1256 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1257 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1258} 1853}
1259 1854
1260# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1261# all maps in C++... 1856# all maps in C++...
1262sub change_all_map_light { 1857sub change_all_map_light {
… …
1264 1859
1265 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1266 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1267} 1862}
1268 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1269sub unlink_save { 1872sub unlink_save {
1270 my ($self) = @_; 1873 my ($self) = @_;
1271 1874
1272 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1273 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1276 1879
1277sub load_header_from($) { 1880sub load_header_from($) {
1278 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1279 1882
1280 utf8::encode $path; 1883 utf8::encode $path;
1281 aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1282 or return; 1885 or return;
1283 1886
1284 $self->_load_header ($path) 1887 $self->_load_header ($f)
1285 or return; 1888 or return;
1286 1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1892
1287 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1288 1894
1289 1 1895 1
1290} 1896}
1291 1897
1292sub load_orig { 1898sub load_header_orig {
1293 my ($self) = @_; 1899 my ($self) = @_;
1294 1900
1295 $self->load_header_from ($self->load_path) 1901 $self->load_header_from ($self->load_path)
1296} 1902}
1297 1903
1298sub load_temp { 1904sub load_header_temp {
1299 my ($self) = @_; 1905 my ($self) = @_;
1300 1906
1301 $self->load_header_from ($self->save_path) 1907 $self->load_header_from ($self->save_path)
1908}
1909
1910sub prepare_temp {
1911 my ($self) = @_;
1912
1913 $self->last_access ((delete $self->{last_access})
1914 || $cf::RUNTIME); #d#
1915 # safety
1916 $self->{instantiate_time} = $cf::RUNTIME
1917 if $self->{instantiate_time} > $cf::RUNTIME;
1918}
1919
1920sub prepare_orig {
1921 my ($self) = @_;
1922
1923 $self->{load_original} = 1;
1924 $self->{instantiate_time} = $cf::RUNTIME;
1925 $self->last_access ($cf::RUNTIME);
1926 $self->instantiate;
1302} 1927}
1303 1928
1304sub load_header { 1929sub load_header {
1305 my ($self) = @_; 1930 my ($self) = @_;
1306 1931
1307 if ($self->load_temp) { 1932 if ($self->load_header_temp) {
1308 $self->last_access ((delete $self->{last_access}) 1933 $self->prepare_temp;
1309 || $cf::RUNTIME); #d#
1310 # safety
1311 $self->{instantiate_time} = $cf::RUNTIME
1312 if $self->{instantiate_time} > $cf::RUNTIME;
1313 } else { 1934 } else {
1314 $self->load_orig 1935 $self->load_header_orig
1315 or return; 1936 or return;
1316 1937 $self->prepare_orig;
1317 $self->{load_original} = 1;
1318 $self->{instantiate_time} = $cf::RUNTIME;
1319 $self->last_access ($cf::RUNTIME);
1320 $self->instantiate;
1321 } 1938 }
1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1943 $self->default_region (cf::region::find_by_path $self->{path})
1944 unless $self->default_region;
1322 1945
1323 1 1946 1
1324} 1947}
1325 1948
1326sub find; 1949sub find;
1327sub find { 1950sub find {
1328 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1329 1952
1330 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1331 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1332 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1333 1957
1334 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1959 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1335 my $guard = cf::lock_acquire "map_find:$path"; 1960 my $guard2 = cf::lock_acquire "map_find:$path";
1961
1336 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1337 or return; 1963 or return;
1338 1964
1339 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1340 1966
1341 $map->load_header 1967 $map->load_header
1342 or return; 1968 or return;
1343 1969
1344 if ($map->should_reset) { 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971 # doing this can freeze the server in a sync job, obviously
1345 $cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1346 $map->reset; 1975 $map->reset;
1347 undef $guard;
1348 $map = find $path 1976 return find $path;
1349 or return;
1350 } 1977 }
1351 1978
1352 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1353 } 1980 }
1354} 1981}
1982
1983sub pre_load { }
1984sub post_load { }
1355 1985
1356sub load { 1986sub load {
1357 my ($self) = @_; 1987 my ($self) = @_;
1358 1988
1989 local $self->{deny_reset} = 1; # loading can take a long time
1990
1359 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1360 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1361 1995
1996 return unless $self->valid;
1362 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1363 1998
1364 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1365 2000
1366 $self->alloc; 2001 $self->alloc;
1367 $self->_load_objects ($self->{load_path}, 1) 2002
2003 $self->pre_load;
2004 cf::cede_to_tick;
2005
2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1368 or return; 2009 or return;
1369 2010
1370 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1371 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1372 2013
1373 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1374 utf8::encode $uniq; 2015 utf8::encode $uniq;
1375 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1376 $self->clear_unique_items; 2018 $self->clear_unique_items;
1377 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1378 } 2022 }
1379 } 2023 }
1380 2024
1381 Coro::cede; 2025 $f->resolve_delayed_derefs;
1382 2026
2027 cf::cede_to_tick;
1383 # now do the right thing for maps 2028 # now do the right thing for maps
1384 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1385
1386 unless ($self->{deny_activate}) {
1387 $self->decay_objects;
1388 $self->fix_auto_apply;
1389 $self->update_buttons;
1390 Coro::cede;
1391 $self->set_darkness_map;
1392 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1393 unless $self->difficulty; 2031 unless $self->difficulty;
1394 Coro::cede; 2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1395 $self->activate; 2041 $self->activate;
1396 } 2042 }
1397 2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
1398 $self->in_memory (cf::MAP_IN_MEMORY); 2047 $self->in_memory (cf::MAP_ACTIVE);
2048 }
2049
2050 $self->post_load;
1399} 2051}
1400 2052
1401sub customise_for { 2053sub customise_for {
1402 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1403 2055
1404 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1405 if $self->per_player; 2057 if $self->per_player;
1406 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1407 $self 2062 $self
1408} 2063}
1409 2064
1410# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1411sub load_diag { 2066sub load_neighbours {
1412 my ($map) = @_; 2067 my ($map) = @_;
1413 2068
1414 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1415 2070
1416 for (0 .. 3) { 2071 for (0 .. 3) {
1417 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1418 or next; 2073 or next;
1419 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1420 or next; 2075 or next;
1421 $neigh->load; 2076 $neigh->load;
1422 2077
2078 push @neigh,
1423 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1424 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1425 } 2081 }
1426 2082
1427 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1428 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1429 or next; 2086 or next;
1430 $neigh->load; 2087 $neigh->load;
1431 } 2088 }
1432} 2089}
1433 2090
… …
1438} 2095}
1439 2096
1440sub do_load_sync { 2097sub do_load_sync {
1441 my ($map) = @_; 2098 my ($map) = @_;
1442 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1443 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1444} 2104}
1445 2105
1446our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1447our $MAP_PREFETCHER = Coro::async { 2107our $MAP_PREFETCHER = undef;
1448 while () {
1449 for my $path (keys %MAP_PREFETCH) {
1450 my $map = find $path
1451 or next;
1452 $map->load;
1453
1454 delete $MAP_PREFETCH{$path};
1455 }
1456 Coro::schedule;
1457 }
1458};
1459 2108
1460sub find_async { 2109sub find_async {
1461 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1462 2111
1463 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1464 2113
1465 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116 }
2117
2118 $MAP_PREFETCH{$path} |= $load;
2119
2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
2123 while (%MAP_PREFETCH) {
2124 while (my ($k, $v) = each %MAP_PREFETCH) {
2125 if (my $map = find $k) {
2126 $map->load if $v;
2127 }
2128
2129 delete $MAP_PREFETCH{$k};
2130 }
2131 }
2132 undef $MAP_PREFETCHER;
1467 } 2133 };
1468
1469 $MAP_PREFETCH{$path} = 0;
1470 $MAP_PREFETCHER->ready; 2134 $MAP_PREFETCHER->prio (6);
1471 2135
1472 () 2136 ()
1473} 2137}
1474 2138
1475sub save { 2139sub save {
1476 my ($self) = @_; 2140 my ($self) = @_;
1477 2141
1478 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1479 2143
1480 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1481 2145
1482 return unless $self->dirty; 2146 return unless $self->dirty;
1483 2147
… …
1489 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1490 2154
1491 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1492 2156
1493 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1494 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1495 }; 2160 };
2161
2162 cf::get_slot 0.02;
1496 2163
1497 if ($uniq) { 2164 if ($uniq) {
1498 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2165 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1499 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2166 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1500 } else { 2167 } else {
… …
1506 my ($self) = @_; 2173 my ($self) = @_;
1507 2174
1508 # save first because save cedes 2175 # save first because save cedes
1509 $self->save; 2176 $self->save;
1510 2177
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2179
1513 return if $self->players; 2180 return if $self->players;
1514 return if $self->in_memory != cf::MAP_IN_MEMORY; 2181 return if $self->in_memory != cf::MAP_ACTIVE;
1515 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1516 2183
2184 $self->in_memory (cf::MAP_SWAPPED);
2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1517 $self->clear; 2188 $self->clear;
1518 $self->in_memory (cf::MAP_SWAPPED);
1519} 2189}
1520 2190
1521sub reset_at { 2191sub reset_at {
1522 my ($self) = @_; 2192 my ($self) = @_;
1523 2193
1524 # TODO: safety, remove and allow resettable per-player maps 2194 # TODO: safety, remove and allow resettable per-player maps
1525 return 1e99 if $self->isa ("ext::map_per_player");#d#
1526 return 1e99 if $self->{deny_reset}; 2195 return 1e99 if $self->{deny_reset};
1527 2196
1528 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2197 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2198 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530 2199
… …
1541 my ($self) = @_; 2210 my ($self) = @_;
1542 2211
1543 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2212 my $lock = cf::lock_acquire "map_data:$self->{path}";
1544 2213
1545 return if $self->players; 2214 return if $self->players;
1546 return if $self->isa ("ext::map_per_player");#d#
1547 2215
1548 warn "resetting map ", $self->path;#d# 2216 warn "resetting map ", $self->path;
2217
2218 $self->in_memory (cf::MAP_SWAPPED);
2219
2220 # need to save uniques path
2221 unless ($self->{deny_save}) {
2222 my $uniq = $self->uniq_path; utf8::encode $uniq;
2223
2224 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2225 if $uniq;
2226 }
1549 2227
1550 delete $cf::MAP{$self->path}; 2228 delete $cf::MAP{$self->path};
1551 2229
1552 $self->in_memory (cf::MAP_SWAPPED); 2230 $self->deactivate;
2231 $_->clear_links_to ($self) for values %cf::MAP;
1553 $self->clear; 2232 $self->clear;
1554
1555 $_->clear_links_to ($self) for values %cf::MAP;
1556 2233
1557 $self->unlink_save; 2234 $self->unlink_save;
1558 $self->destroy; 2235 $self->destroy;
1559} 2236}
1560 2237
1561my $nuke_counter = "aaaa"; 2238my $nuke_counter = "aaaa";
1562 2239
1563sub nuke { 2240sub nuke {
1564 my ($self) = @_; 2241 my ($self) = @_;
1565 2242
2243 {
2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2245
1566 delete $cf::MAP{$self->path}; 2246 delete $cf::MAP{$self->path};
1567 2247
1568 $self->unlink_save; 2248 $self->unlink_save;
1569 2249
1570 bless $self, "cf::map"; 2250 bless $self, "cf::map";
1571 delete $self->{deny_reset}; 2251 delete $self->{deny_reset};
1572 $self->{deny_save} = 1; 2252 $self->{deny_save} = 1;
1573 $self->reset_timeout (1); 2253 $self->reset_timeout (1);
1574 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2254 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575 2255
1576 $cf::MAP{$self->path} = $self; 2256 $cf::MAP{$self->path} = $self;
2257 }
1577 2258
1578 $self->reset; # polite request, might not happen 2259 $self->reset; # polite request, might not happen
2260}
2261
2262=item $maps = cf::map::tmp_maps
2263
2264Returns an arrayref with all map paths of currently instantiated and saved
2265maps. May block.
2266
2267=cut
2268
2269sub tmp_maps() {
2270 [
2271 map {
2272 utf8::decode $_;
2273 /\.map$/
2274 ? normalise $_
2275 : ()
2276 } @{ aio_readdir $TMPDIR or [] }
2277 ]
2278}
2279
2280=item $maps = cf::map::random_maps
2281
2282Returns an arrayref with all map paths of currently instantiated and saved
2283random maps. May block.
2284
2285=cut
2286
2287sub random_maps() {
2288 [
2289 map {
2290 utf8::decode $_;
2291 /\.map$/
2292 ? normalise "?random/$_"
2293 : ()
2294 } @{ aio_readdir $RANDOMDIR or [] }
2295 ]
1579} 2296}
1580 2297
1581=item cf::map::unique_maps 2298=item cf::map::unique_maps
1582 2299
1583Returns an arrayref of paths of all shared maps that have 2300Returns an arrayref of paths of all shared maps that have
1584instantiated unique items. May block. 2301instantiated unique items. May block.
1585 2302
1586=cut 2303=cut
1587 2304
1588sub unique_maps() { 2305sub unique_maps() {
1589 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2306 [
1590 or return; 2307 map {
1591
1592 my @paths;
1593
1594 for (@$files) {
1595 utf8::decode $_; 2308 utf8::decode $_;
1596 next if /\.pst$/; 2309 s/\.map$//; # TODO future compatibility hack
1597 next unless /^$PATH_SEP/o; 2310 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1598 2311 ? ()
1599 s/\.map$//; 2312 : normalise $_
1600 push @paths, $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1601 } 2314 ]
1602
1603 \@paths
1604} 2315}
1605
1606package cf;
1607 2316
1608=back 2317=back
1609 2318
1610=head3 cf::object 2319=head3 cf::object
1611 2320
… …
1615 2324
1616=over 4 2325=over 4
1617 2326
1618=item $ob->inv_recursive 2327=item $ob->inv_recursive
1619 2328
1620Returns the inventory of the object _and_ their inventories, recursively. 2329Returns the inventory of the object I<and> their inventories, recursively,
2330but I<not> the object itself.
1621 2331
1622=cut 2332=cut
1623 2333
1624sub inv_recursive_; 2334sub inv_recursive_;
1625sub inv_recursive_ { 2335sub inv_recursive_ {
… …
1628 2338
1629sub inv_recursive { 2339sub inv_recursive {
1630 inv_recursive_ inv $_[0] 2340 inv_recursive_ inv $_[0]
1631} 2341}
1632 2342
2343=item $ref = $ob->ref
2344
2345Creates and returns a persistent reference to an object that can be stored as a string.
2346
2347=item $ob = cf::object::deref ($refstring)
2348
2349returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2350even if the object actually exists. May block.
2351
2352=cut
2353
2354sub deref {
2355 my ($ref) = @_;
2356
2357 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2358 my ($uuid, $name) = ($1, $2);
2359 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2360 or return;
2361 $pl->ob->uuid eq $uuid
2362 or return;
2363
2364 $pl->ob
2365 } else {
2366 warn "$ref: cannot resolve object reference\n";
2367 undef
2368 }
2369}
2370
1633package cf; 2371package cf;
1634 2372
1635=back 2373=back
1636 2374
1637=head3 cf::object::player 2375=head3 cf::object::player
… …
1643Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2381Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1644can be C<undef>. Does the right thing when the player is currently in a 2382can be C<undef>. Does the right thing when the player is currently in a
1645dialogue with the given NPC character. 2383dialogue with the given NPC character.
1646 2384
1647=cut 2385=cut
2386
2387our $SAY_CHANNEL = {
2388 id => "say",
2389 title => "Map",
2390 reply => "say ",
2391 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2392};
2393
2394our $CHAT_CHANNEL = {
2395 id => "chat",
2396 title => "Chat",
2397 reply => "chat ",
2398 tooltip => "Player chat and shouts, global to the server.",
2399};
1648 2400
1649# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
1650# with dialog boxes. 2402# with dialog boxes.
1651#TODO: the first argument must go, split into a $npc->reply_to ( method 2403#TODO: the first argument must go, split into a $npc->reply_to ( method
1652sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
… …
1654 2406
1655 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656 2408
1657 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1658 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1659 } else { 2412 } else {
2413 my $pl = $self->contr;
2414
2415 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2416 my $dialog = $pl->{npc_dialog};
2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418
2419 } else {
1660 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1661 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422 }
1662 } 2423 }
2424}
2425
2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2427
2428=cut
2429
2430sub cf::object::send_msg {
2431 my $pl = shift->contr
2432 or return;
2433 $pl->send_msg (@_);
1663} 2434}
1664 2435
1665=item $player_object->may ("access") 2436=item $player_object->may ("access")
1666 2437
1667Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1680 2451
1681=item $player_object->enter_link 2452=item $player_object->enter_link
1682 2453
1683Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
1684 2455
1685The player should be reasonably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
1686I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
1687 2460
1688Will never block. 2461Will never block.
1689 2462
1690=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
1691 2464
… …
1699=cut 2472=cut
1700 2473
1701sub link_map { 2474sub link_map {
1702 unless ($LINK_MAP) { 2475 unless ($LINK_MAP) {
1703 $LINK_MAP = cf::map::find "{link}" 2476 $LINK_MAP = cf::map::find "{link}"
1704 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2477 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705 $LINK_MAP->load; 2478 $LINK_MAP->load;
1706 } 2479 }
1707 2480
1708 $LINK_MAP 2481 $LINK_MAP
1709} 2482}
… …
1714 $self->deactivate_recursive; 2487 $self->deactivate_recursive;
1715 2488
1716 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2489 return if UNIVERSAL::isa $self->map, "ext::map_link";
1717 2490
1718 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2491 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719 if $self->map; 2492 if $self->map && $self->map->{path} ne "{link}";
1720 2493
1721 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2494 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1722} 2495}
1723 2496
1724sub cf::object::player::leave_link { 2497sub cf::object::player::leave_link {
1725 my ($self, $map, $x, $y) = @_; 2498 my ($self, $map, $x, $y) = @_;
2499
2500 return unless $self->contr->active;
1726 2501
1727 my $link_pos = delete $self->{_link_pos}; 2502 my $link_pos = delete $self->{_link_pos};
1728 2503
1729 unless ($map) { 2504 unless ($map) {
1730 # restore original map position 2505 # restore original map position
… …
1744 # use -1 or undef as default coordinates, not 0, 0 2519 # use -1 or undef as default coordinates, not 0, 0
1745 ($x, $y) = ($map->enter_x, $map->enter_y) 2520 ($x, $y) = ($map->enter_x, $map->enter_y)
1746 if $x <=0 && $y <= 0; 2521 if $x <=0 && $y <= 0;
1747 2522
1748 $map->load; 2523 $map->load;
1749 $map->load_diag; 2524 $map->load_neighbours;
1750 2525
1751 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1752 $self->activate_recursive; 2528 $self->activate_recursive;
2529
2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
1754} 2532}
1755 2533
1756cf::player->attach ( 2534=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757 on_logout => sub {
1758 my ($pl) = @_;
1759 2535
1760 # abort map switching before logout 2536Moves the player to the given map-path and coordinates by first freezing
1761 if ($pl->ob->{_link_pos}) { 2537her, loading and preparing them map, calling the provided $check callback
1762 cf::sync_job { 2538that has to return the map if sucecssful, and then unfreezes the player on
1763 $pl->ob->leave_link 2539the new (success) or old (failed) map position. In either case, $done will
1764 }; 2540be called at the end of this process.
1765 }
1766 },
1767 on_login => sub {
1768 my ($pl) = @_;
1769 2541
1770 # try to abort aborted map switching on player login :) 2542Note that $check will be called with a potentially non-loaded map, so if
1771 # should happen only on crashes 2543it needs a loaded map it has to call C<< ->load >>.
1772 if ($pl->ob->{_link_pos}) {
1773 $pl->ob->enter_link;
1774 (async {
1775 # we need this sleep as the login has a concurrent enter_exit running
1776 # and this sleep increases chances of the player not ending up in scorn
1777 $pl->ob->reply (undef,
1778 "There was an internal problem at your last logout, "
1779 . "the server will try to bring you to your intended destination in a second.",
1780 cf::NDI_RED);
1781 Coro::Timer::sleep 1;
1782 $pl->ob->leave_link;
1783 })->prio (2);
1784 }
1785 },
1786);
1787 2544
1788=item $player_object->goto ($path, $x, $y)
1789
1790=cut 2545=cut
2546
2547our $GOTOGEN;
1791 2548
1792sub cf::object::player::goto { 2549sub cf::object::player::goto {
1793 my ($self, $path, $x, $y) = @_; 2550 my ($self, $path, $x, $y, $check, $done) = @_;
2551
2552 # do generation counting so two concurrent goto's will be executed in-order
2553 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794 2554
1795 $self->enter_link; 2555 $self->enter_link;
1796 2556
1797 (async { 2557 (async {
1798 my $map = cf::map::find $path; 2558 $Coro::current->{desc} = "player::goto $path $x $y";
2559
2560 # *tag paths override both path and x|y
2561 if ($path =~ /^\*(.*)$/) {
2562 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2563 my $ob = $obs[rand @obs];
2564
2565 # see if we actually can go there
2566 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2567 $ob = $obs[rand @obs];
2568 } else {
2569 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2570 }
2571 # else put us there anyways for now #d#
2572
2573 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2574 } else {
2575 ($path, $x, $y) = (undef, undef, undef);
2576 }
2577 }
2578
2579 my $map = eval {
2580 my $map = defined $path ? cf::map::find $path : undef;
2581
2582 if ($map) {
1799 $map = $map->customise_for ($self) if $map; 2583 $map = $map->customise_for ($self);
1800 2584 $map = $check->($map) if $check && $map;
1801# warn "entering ", $map->path, " at ($x, $y)\n" 2585 } else {
1802# if $map;
1803
1804 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2586 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587 }
1805 2588
2589 $map
2590 };
2591
2592 if ($@) {
2593 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2594 LOG llevError | logBacktrace, Carp::longmess $@;
2595 }
2596
2597 if ($gen == $self->{_goto_generation}) {
2598 delete $self->{_goto_generation};
1806 $self->leave_link ($map, $x, $y); 2599 $self->leave_link ($map, $x, $y);
2600 }
2601
2602 $done->() if $done;
1807 })->prio (1); 2603 })->prio (1);
1808} 2604}
1809 2605
1810=item $player_object->enter_exit ($exit_object) 2606=item $player_object->enter_exit ($exit_object)
1811 2607
… …
1813 2609
1814sub parse_random_map_params { 2610sub parse_random_map_params {
1815 my ($spec) = @_; 2611 my ($spec) = @_;
1816 2612
1817 my $rmp = { # defaults 2613 my $rmp = { # defaults
1818 xsize => 10, 2614 xsize => (cf::rndm 15, 40),
1819 ysize => 10, 2615 ysize => (cf::rndm 15, 40),
2616 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2617 #layout => string,
1820 }; 2618 };
1821 2619
1822 for (split /\n/, $spec) { 2620 for (split /\n/, $spec) {
1823 my ($k, $v) = split /\s+/, $_, 2; 2621 my ($k, $v) = split /\s+/, $_, 2;
1824 2622
… …
1836 # that depends on the exit object 2634 # that depends on the exit object
1837 2635
1838 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
1839 2637
1840 if ($exit->map) { 2638 if ($exit->map) {
1841 $rmp->{region} = $exit->map->region_name; 2639 $rmp->{region} = $exit->region->name;
1842 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
1843 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
1844 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
1845 } 2645 }
1846 2646
1847 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
1848 2648
1849 my $data = cf::to_json $rmp; 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1850 my $md5 = Digest::MD5::md5_hex $data; 2650 my $md5 = Digest::MD5::md5_hex $data;
2651 my $meta = "$RANDOMDIR/$md5.meta";
1851 2652
1852 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
2655 undef $fh;
2656 aio_rename "$meta~", $meta;
1854 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
1855 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
1856 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
1857 } 2664 }
1858} 2665}
1859 2666
1860sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
1861 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
… …
1863 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
1864 2671
1865 $self->enter_link; 2672 $self->enter_link;
1866 2673
1867 (async { 2674 (async {
1868 $self->deactivate_recursive; # just to be sure 2675 $Coro::current->{desc} = "enter_exit";
2676
1869 unless (eval { 2677 unless (eval {
2678 $self->deactivate_recursive; # just to be sure
2679
2680 # random map handling
2681 {
2682 my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
1870 prepare_random_map $exit 2684 prepare_random_map $exit
1871 if $exit->slaying eq "/!"; 2685 if $exit->slaying eq "/!";
2686 }
1872 2687
1873 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2688 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1874 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
1875 2691
2692 $self->goto ($map, $x, $y);
2693
2694 # if exit is damned, update players death & WoR home-position
2695 $self->contr->savebed ($map, $x, $y)
2696 if $exit->flag (cf::FLAG_DAMNED);
2697
1876 1; 2698 1
1877 }) { 2699 }) {
1878 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
1879 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
1880 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
1881 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
1882 2704
1883 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
1884 $self->leave_link; 2706 $self->leave_link;
1885 } 2707 }
1886 })->prio (1); 2708 })->prio (1);
… …
1899 2721
1900sub cf::client::send_drawinfo { 2722sub cf::client::send_drawinfo {
1901 my ($self, $text, $flags) = @_; 2723 my ($self, $text, $flags) = @_;
1902 2724
1903 utf8::encode $text; 2725 utf8::encode $text;
1904 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2726 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905} 2727}
1906 2728
2729=item $client->send_msg ($channel, $msg, $color, [extra...])
2730
2731Send a drawinfo or msg packet to the client, formatting the msg for the
2732client if neccessary. C<$type> should be a string identifying the type of
2733the message, with C<log> being the default. If C<$color> is negative, suppress
2734the message unless the client supports the msg packet.
2735
2736=cut
2737
2738# non-persistent channels (usually the info channel)
2739our %CHANNEL = (
2740 "c/identify" => {
2741 id => "infobox",
2742 title => "Identify",
2743 reply => undef,
2744 tooltip => "Items recently identified",
2745 },
2746 "c/examine" => {
2747 id => "infobox",
2748 title => "Examine",
2749 reply => undef,
2750 tooltip => "Signs and other items you examined",
2751 },
2752 "c/book" => {
2753 id => "infobox",
2754 title => "Book",
2755 reply => undef,
2756 tooltip => "The contents of a note or book",
2757 },
2758 "c/lookat" => {
2759 id => "infobox",
2760 title => "Look",
2761 reply => undef,
2762 tooltip => "What you saw there",
2763 },
2764 "c/who" => {
2765 id => "infobox",
2766 title => "Players",
2767 reply => undef,
2768 tooltip => "Shows players who are currently online",
2769 },
2770 "c/body" => {
2771 id => "infobox",
2772 title => "Body Parts",
2773 reply => undef,
2774 tooltip => "Shows which body parts you posess and are available",
2775 },
2776 "c/uptime" => {
2777 id => "infobox",
2778 title => "Uptime",
2779 reply => undef,
2780 tooltip => "How long the server has been running since last restart",
2781 },
2782 "c/mapinfo" => {
2783 id => "infobox",
2784 title => "Map Info",
2785 reply => undef,
2786 tooltip => "Information related to the maps",
2787 },
2788 "c/party" => {
2789 id => "party",
2790 title => "Party",
2791 reply => "gsay ",
2792 tooltip => "Messages and chat related to your party",
2793 },
2794);
2795
2796sub cf::client::send_msg {
2797 my ($self, $channel, $msg, $color, @extra) = @_;
2798
2799 $msg = $self->pl->expand_cfpod ($msg)
2800 unless $color & cf::NDI_VERBATIM;
2801
2802 $color &= cf::NDI_CLIENT_MASK; # just in case...
2803
2804 # check predefined channels, for the benefit of C
2805 if ($CHANNEL{$channel}) {
2806 $channel = $CHANNEL{$channel};
2807
2808 $self->ext_msg (channel_info => $channel)
2809 if $self->can_msg;
2810
2811 $channel = $channel->{id};
2812
2813 } elsif (ref $channel) {
2814 # send meta info to client, if not yet sent
2815 unless (exists $self->{channel}{$channel->{id}}) {
2816 $self->{channel}{$channel->{id}} = $channel;
2817 $self->ext_msg (channel_info => $channel)
2818 if $self->can_msg;
2819 }
2820
2821 $channel = $channel->{id};
2822 }
2823
2824 return unless @extra || length $msg;
2825
2826 if ($self->can_msg) {
2827 # default colour, mask it out
2828 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2829 if $color & cf::NDI_DEF;
2830
2831 my $pkt = "msg "
2832 . $self->{json_coder}->encode (
2833 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834 );
2835
2836 # try lzf for large packets
2837 $pkt = "lzf " . Compress::LZF::compress $pkt
2838 if 1024 <= length $pkt and $self->{can_lzf};
2839
2840 # split very large packets
2841 if (8192 < length $pkt and $self->{can_lzf}) {
2842 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843 $pkt = "frag";
2844 }
2845
2846 $self->send_packet ($pkt);
2847 } else {
2848 if ($color >= 0) {
2849 # replace some tags by gcfclient-compatible ones
2850 for ($msg) {
2851 1 while
2852 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2853 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2854 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2855 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2856 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2857 }
2858
2859 $color &= cf::NDI_COLOR_MASK;
2860
2861 utf8::encode $msg;
2862
2863 if (0 && $msg =~ /\[/) {
2864 # COMMAND/INFO
2865 $self->send_packet ("drawextinfo $color 10 8 $msg")
2866 } else {
2867 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2868 $self->send_packet ("drawinfo $color $msg")
2869 }
2870 }
2871 }
2872}
2873
2874=item $client->ext_msg ($type, @msg)
2875
2876Sends an ext event to the client.
2877
2878=cut
2879
2880sub cf::client::ext_msg($$@) {
2881 my ($self, $type, @msg) = @_;
2882
2883 if ($self->extcmd == 2) {
2884 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2885 } elsif ($self->extcmd == 1) { # TODO: remove
2886 push @msg, msgtype => "event_$type";
2887 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2888 }
2889}
2890
2891=item $client->ext_reply ($msgid, @msg)
2892
2893Sends an ext reply to the client.
2894
2895=cut
2896
2897sub cf::client::ext_reply($$@) {
2898 my ($self, $id, @msg) = @_;
2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2902 } elsif ($self->extcmd == 1) {
2903 #TODO: version 1, remove
2904 unshift @msg, msgtype => "reply", msgid => $id;
2905 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2906 }
2907}
1907 2908
1908=item $success = $client->query ($flags, "text", \&cb) 2909=item $success = $client->query ($flags, "text", \&cb)
1909 2910
1910Queues a query to the client, calling the given callback with 2911Queues a query to the client, calling the given callback with
1911the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2912the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2913C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913 2914
1914Queries can fail, so check the return code. Or don't, as queries will become 2915Queries can fail, so check the return code. Or don't, as queries will
1915reliable at some point in the future. 2916become reliable at some point in the future.
1916 2917
1917=cut 2918=cut
1918 2919
1919sub cf::client::query { 2920sub cf::client::query {
1920 my ($self, $flags, $text, $cb) = @_; 2921 my ($self, $flags, $text, $cb) = @_;
… …
1928 utf8::encode $text; 2929 utf8::encode $text;
1929 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2930 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930 2931
1931 $self->send_packet ($self->{query_queue}[0][0]) 2932 $self->send_packet ($self->{query_queue}[0][0])
1932 if @{ $self->{query_queue} } == 1; 2933 if @{ $self->{query_queue} } == 1;
2934
2935 1
1933} 2936}
1934 2937
1935cf::client->attach ( 2938cf::client->attach (
2939 on_connect => sub {
2940 my ($ns) = @_;
2941
2942 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2943 },
1936 on_reply => sub { 2944 on_reply => sub {
1937 my ($ns, $msg) = @_; 2945 my ($ns, $msg) = @_;
1938 2946
1939 # this weird shuffling is so that direct followup queries 2947 # this weird shuffling is so that direct followup queries
1940 # get handled first 2948 # get handled first
1941 my $queue = delete $ns->{query_queue} 2949 my $queue = delete $ns->{query_queue}
1942 or return; # be conservative, not sure how that can happen, but we saw a crash here 2950 or return; # be conservative, not sure how that can happen, but we saw a crash here
1943 2951
1944 (shift @$queue)->[1]->($msg); 2952 (shift @$queue)->[1]->($msg);
2953 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945 2954
1946 push @{ $ns->{query_queue} }, @$queue; 2955 push @{ $ns->{query_queue} }, @$queue;
1947 2956
1948 if (@{ $ns->{query_queue} } == @$queue) { 2957 if (@{ $ns->{query_queue} } == @$queue) {
1949 if (@$queue) { 2958 if (@$queue) {
… …
1951 } else { 2960 } else {
1952 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2961 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953 } 2962 }
1954 } 2963 }
1955 }, 2964 },
2965 on_exticmd => sub {
2966 my ($ns, $buf) = @_;
2967
2968 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2969
2970 if (ref $msg) {
2971 my ($type, $reply, @payload) =
2972 "ARRAY" eq ref $msg
2973 ? @$msg
2974 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2975
2976 my @reply;
2977
2978 if (my $cb = $EXTICMD{$type}) {
2979 @reply = $cb->($ns, @payload);
2980 }
2981
2982 $ns->ext_reply ($reply, @reply)
2983 if $reply;
2984
2985 } else {
2986 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2987 }
2988
2989 cf::override;
2990 },
1956); 2991);
1957 2992
1958=item $client->async (\&cb) 2993=item $client->async (\&cb)
1959 2994
1960Create a new coroutine, running the specified callback. The coroutine will 2995Create a new coroutine, running the specified callback. The coroutine will
… …
2001our $safe = new Safe "safe"; 3036our $safe = new Safe "safe";
2002our $safe_hole = new Safe::Hole; 3037our $safe_hole = new Safe::Hole;
2003 3038
2004$SIG{FPE} = 'IGNORE'; 3039$SIG{FPE} = 'IGNORE';
2005 3040
2006$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3041$safe->permit_only (Opcode::opset qw(
3042 :base_core :base_mem :base_orig :base_math
3043 grepstart grepwhile mapstart mapwhile
3044 sort time
3045));
2007 3046
2008# here we export the classes and methods available to script code 3047# here we export the classes and methods available to script code
2009 3048
2010=pod 3049=pod
2011 3050
2012The following fucntions and emthods are available within a safe environment: 3051The following functions and methods are available within a safe environment:
2013 3052
2014 cf::object contr pay_amount pay_player map 3053 cf::object
3054 contr pay_amount pay_player map x y force_find force_add destroy
3055 insert remove name archname title slaying race decrease split
3056
2015 cf::object::player player 3057 cf::object::player
2016 cf::player peaceful 3058 player
2017 cf::map trigger 3059
3060 cf::player
3061 peaceful
3062
3063 cf::map
3064 trigger
2018 3065
2019=cut 3066=cut
2020 3067
2021for ( 3068for (
2022 ["cf::object" => qw(contr pay_amount pay_player map)], 3069 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3070 insert remove inv nrof name archname title slaying race
3071 decrease split destroy change_exp)],
2023 ["cf::object::player" => qw(player)], 3072 ["cf::object::player" => qw(player)],
2024 ["cf::player" => qw(peaceful)], 3073 ["cf::player" => qw(peaceful)],
2025 ["cf::map" => qw(trigger)], 3074 ["cf::map" => qw(trigger)],
2026) { 3075) {
2027 no strict 'refs'; 3076 no strict 'refs';
… …
2098=back 3147=back
2099 3148
2100=cut 3149=cut
2101 3150
2102############################################################################# 3151#############################################################################
3152# the server's init and main functions
2103 3153
2104=head2 EXTENSION DATABASE SUPPORT 3154sub load_facedata($) {
3155 my ($path) = @_;
2105 3156
2106Crossfire maintains a very simple database for extension use. It can 3157 # HACK to clear player env face cache, we need some signal framework
2107currently store anything that can be serialised using Storable, which 3158 # for this (global event?)
2108excludes objects. 3159 %ext::player_env::MUSIC_FACE_CACHE = ();
2109 3160
2110The parameter C<$family> should best start with the name of the extension 3161 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111using it, it should be unique.
2112 3162
2113=over 4 3163 warn "loading facedata from $path\n";
2114 3164
2115=item $hashref = cf::db_get $family 3165 my $facedata;
3166 0 < aio_load $path, $facedata
3167 or die "$path: $!";
2116 3168
2117Return a hashref for use by the extension C<$family>, which can be 3169 $facedata = Coro::Storable::thaw $facedata;
2118modified. After modifications, you have to call C<cf::db_dirty> or
2119C<cf::db_sync>.
2120 3170
2121=item $value = cf::db_get $family => $key 3171 $facedata->{version} == 2
3172 or cf::cleanup "$path: version mismatch, cannot proceed.";
2122 3173
2123Returns a single value from the database 3174 # patch in the exptable
2124 3175 $facedata->{resource}{"res/exp_table"} = {
2125=item cf::db_put $family => $hashref 3176 type => FT_RSRC,
2126 3177 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127Stores the given family hashref into the database. Updates are delayed, if
2128you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_put $family => $key => $value
2131
2132Stores the given C<$value> in the family hash. Updates are delayed, if you
2133want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135=item cf::db_dirty
2136
2137Marks the database as dirty, to be updated at a later time.
2138
2139=item cf::db_sync
2140
2141Immediately write the database to disk I<if it is dirty>.
2142
2143=cut
2144
2145our $DB;
2146
2147{
2148 my $path = cf::localdir . "/database.pst";
2149
2150 sub db_load() {
2151 $DB = stat $path ? Storable::retrieve $path : { };
2152 }
2153
2154 my $pid;
2155
2156 sub db_save() {
2157 waitpid $pid, 0 if $pid;
2158 if (0 == ($pid = fork)) {
2159 $DB->{_meta}{version} = 1;
2160 Storable::nstore $DB, "$path~";
2161 rename "$path~", $path;
2162 cf::_exit 0 if defined $pid;
2163 }
2164 }
2165
2166 my $dirty;
2167
2168 sub db_sync() {
2169 db_save if $dirty;
2170 undef $dirty;
2171 }
2172
2173 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174 db_sync;
2175 }); 3178 };
3179 cf::cede_to_tick;
2176 3180
2177 sub db_dirty() {
2178 $dirty = 1;
2179 $idle->start;
2180 } 3181 {
3182 my $faces = $facedata->{faceinfo};
2181 3183
2182 sub db_get($;$) { 3184 while (my ($face, $info) = each %$faces) {
2183 @_ >= 2 3185 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184 ? $DB->{$_[0]}{$_[1]}
2185 : ($DB->{$_[0]} ||= { })
2186 }
2187 3186
2188 sub db_put($$;$) { 3187 cf::face::set_visibility $idx, $info->{visibility};
2189 if (@_ >= 3) { 3188 cf::face::set_magicmap $idx, $info->{magicmap};
2190 $DB->{$_[0]}{$_[1]} = $_[2]; 3189 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2191 } else { 3190 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2192 $DB->{$_[0]} = $_[1];
2193 }
2194 db_dirty;
2195 }
2196 3191
2197 cf::global->attach ( 3192 cf::cede_to_tick;
2198 prio => 10000,
2199 on_cleanup => sub {
2200 db_sync;
2201 }, 3193 }
2202 );
2203}
2204 3194
2205############################################################################# 3195 while (my ($face, $info) = each %$faces) {
2206# the server's main() 3196 next unless $info->{smooth};
2207 3197
2208sub cfg_load { 3198 my $idx = cf::face::find $face
3199 or next;
3200
3201 if (my $smooth = cf::face::find $info->{smooth}) {
3202 cf::face::set_smooth $idx, $smooth;
3203 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3204 } else {
3205 warn "smooth face '$info->{smooth}' not found for face '$face'";
3206 }
3207
3208 cf::cede_to_tick;
3209 }
3210 }
3211
3212 {
3213 my $anims = $facedata->{animinfo};
3214
3215 while (my ($anim, $info) = each %$anims) {
3216 cf::anim::set $anim, $info->{frames}, $info->{facings};
3217 cf::cede_to_tick;
3218 }
3219
3220 cf::anim::invalidate_all; # d'oh
3221 }
3222
3223 {
3224 # TODO: for gcfclient pleasure, we should give resources
3225 # that gcfclient doesn't grok a >10000 face index.
3226 my $res = $facedata->{resource};
3227
3228 while (my ($name, $info) = each %$res) {
3229 if (defined $info->{type}) {
3230 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3231 my $data;
3232
3233 if ($info->{type} & 1) {
3234 # prepend meta info
3235
3236 my $meta = $enc->encode ({
3237 name => $name,
3238 %{ $info->{meta} || {} },
3239 });
3240
3241 $data = pack "(w/a*)*", $meta, $info->{data};
3242 } else {
3243 $data = $info->{data};
3244 }
3245
3246 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3247 cf::face::set_type $idx, $info->{type};
3248 } else {
3249 $RESOURCE{$name} = $info;
3250 }
3251
3252 cf::cede_to_tick;
3253 }
3254 }
3255
3256 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3257
3258 1
3259}
3260
3261cf::global->attach (on_resource_update => sub {
3262 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3263 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3264
3265 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3266 my $sound = $soundconf->{compat}[$_]
3267 or next;
3268
3269 my $face = cf::face::find "sound/$sound->[1]";
3270 cf::sound::set $sound->[0] => $face;
3271 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3272 }
3273
3274 while (my ($k, $v) = each %{$soundconf->{event}}) {
3275 my $face = cf::face::find "sound/$v";
3276 cf::sound::set $k => $face;
3277 }
3278 }
3279});
3280
3281register_exticmd fx_want => sub {
3282 my ($ns, $want) = @_;
3283
3284 while (my ($k, $v) = each %$want) {
3285 $ns->fx_want ($k, $v);
3286 }
3287};
3288
3289sub load_resource_file($) {
3290 my $guard = lock_acquire "load_resource_file";
3291
3292 my $status = load_resource_file_ $_[0];
3293 get_slot 0.1, 100;
3294 cf::arch::commit_load;
3295
3296 $status
3297}
3298
3299sub reload_regions {
3300 # HACK to clear player env face cache, we need some signal framework
3301 # for this (global event?)
3302 %ext::player_env::MUSIC_FACE_CACHE = ();
3303
3304 load_resource_file "$MAPDIR/regions"
3305 or die "unable to load regions file\n";
3306
3307 for (cf::region::list) {
3308 $_->{match} = qr/$_->{match}/
3309 if exists $_->{match};
3310 }
3311}
3312
3313sub reload_facedata {
3314 load_facedata "$DATADIR/facedata"
3315 or die "unable to load facedata\n";
3316}
3317
3318sub reload_archetypes {
3319 load_resource_file "$DATADIR/archetypes"
3320 or die "unable to load archetypes\n";
3321}
3322
3323sub reload_treasures {
3324 load_resource_file "$DATADIR/treasures"
3325 or die "unable to load treasurelists\n";
3326}
3327
3328sub reload_resources {
3329 warn "reloading resource files...\n";
3330
3331 reload_facedata;
3332 reload_archetypes;
3333 reload_regions;
3334 reload_treasures;
3335
3336 warn "finished reloading resource files\n";
3337}
3338
3339sub init {
3340 my $guard = freeze_mainloop;
3341
3342 evthread_start IO::AIO::poll_fileno;
3343
3344 reload_resources;
3345}
3346
3347sub reload_config {
2209 open my $fh, "<:utf8", cf::confdir . "/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
2210 or return; 3349 or return;
2211 3350
2212 local $/; 3351 local $/;
2213 *CFG = YAML::Syck::Load <$fh>; 3352 *CFG = YAML::Load <$fh>;
2214 3353
2215 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2216 3355
2217 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3356 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2218 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3357 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2224 }; 3363 };
2225 warn $@ if $@; 3364 warn $@ if $@;
2226 } 3365 }
2227} 3366}
2228 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
2229sub main { 3387sub main {
3388 atomic;
3389
2230 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
2231 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
2232 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3392 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233 (async { 3393 (async {
2234 Event::one_event; 3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
3395 EV::loop EV::LOOP_ONESHOT;
2235 })->prio (Coro::PRIO_MAX); 3396 })->prio (Coro::PRIO_MAX);
2236 }; 3397 };
2237 3398
2238 cfg_load; 3399 {
2239 db_load; 3400 my $guard = freeze_mainloop;
3401 reload_config;
3402 db_init;
2240 load_extensions; 3403 load_extensions;
3404
3405 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3406 }
3407
3408 utime time, time, $RUNTIMEFILE;
3409
3410 # no (long-running) fork's whatsoever before this point(!)
3411 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3412
2241 Event::loop; 3413 EV::loop;
2242} 3414}
2243 3415
2244############################################################################# 3416#############################################################################
2245# initialisation and cleanup 3417# initialisation and cleanup
2246 3418
2247# install some emergency cleanup handlers 3419# install some emergency cleanup handlers
2248BEGIN { 3420BEGIN {
3421 our %SIGWATCHER = ();
2249 for my $signal (qw(INT HUP TERM)) { 3422 for my $signal (qw(INT HUP TERM)) {
2250 Event->signal ( 3423 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2251 data => WF_AUTOCANCEL,
2252 signal => $signal,
2253 cb => sub {
2254 cf::cleanup "SIG$signal"; 3424 cf::cleanup "SIG$signal";
2255 },
2256 ); 3425 };
3426 }
3427}
3428
3429sub write_runtime_sync {
3430 # first touch the runtime file to show we are still running:
3431 # the fsync below can take a very very long time.
3432
3433 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434
3435 my $guard = cf::lock_acquire "write_runtime";
3436
3437 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3438 or return;
3439
3440 my $value = $cf::RUNTIME + 90 + 10;
3441 # 10 is the runtime save interval, for a monotonic clock
3442 # 60 allows for the watchdog to kill the server.
3443
3444 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3445 and return;
3446
3447 # always fsync - this file is important
3448 aio_fsync $fh
3449 and return;
3450
3451 # touch it again to show we are up-to-date
3452 aio_utime $fh, undef, undef;
3453
3454 close $fh
3455 or return;
3456
3457 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458 and return;
3459
3460 warn "runtime file written.\n";
3461
2257 } 3462 1
3463}
3464
3465our $uuid_lock;
3466our $uuid_skip;
3467
3468sub write_uuid_sync($) {
3469 $uuid_skip ||= $_[0];
3470
3471 return if $uuid_lock;
3472 local $uuid_lock = 1;
3473
3474 my $uuid = "$LOCALDIR/uuid";
3475
3476 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3480 $uuid_skip = 0;
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$uuid~", $uuid
3493 and return;
3494
3495 warn "uuid file written ($value).\n";
3496
3497 1
3498
3499}
3500
3501sub write_uuid($$) {
3502 my ($skip, $sync) = @_;
3503
3504 $sync ? write_uuid_sync $skip
3505 : async { write_uuid_sync $skip };
2258} 3506}
2259 3507
2260sub emergency_save() { 3508sub emergency_save() {
2261 my $freeze_guard = cf::freeze_mainloop; 3509 my $freeze_guard = cf::freeze_mainloop;
2262 3510
… …
2268 # and maps saved/destroyed asynchronously. 3516 # and maps saved/destroyed asynchronously.
2269 warn "begin emergency player save\n"; 3517 warn "begin emergency player save\n";
2270 for my $login (keys %cf::PLAYER) { 3518 for my $login (keys %cf::PLAYER) {
2271 my $pl = $cf::PLAYER{$login} or next; 3519 my $pl = $cf::PLAYER{$login} or next;
2272 $pl->valid or next; 3520 $pl->valid or next;
3521 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2273 $pl->save; 3522 $pl->save;
2274 } 3523 }
2275 warn "end emergency player save\n"; 3524 warn "end emergency player save\n";
2276 3525
2277 warn "begin emergency map save\n"; 3526 warn "begin emergency map save\n";
… …
2279 my $map = $cf::MAP{$path} or next; 3528 my $map = $cf::MAP{$path} or next;
2280 $map->valid or next; 3529 $map->valid or next;
2281 $map->save; 3530 $map->save;
2282 } 3531 }
2283 warn "end emergency map save\n"; 3532 warn "end emergency map save\n";
3533
3534 warn "begin emergency database checkpoint\n";
3535 BDB::db_env_txn_checkpoint $DB_ENV;
3536 warn "end emergency database checkpoint\n";
3537
3538 warn "begin write uuid\n";
3539 write_uuid_sync 1;
3540 warn "end write uuid\n";
2284 }; 3541 };
2285 3542
2286 warn "leave emergency perl save\n"; 3543 warn "leave emergency perl save\n";
2287} 3544}
2288 3545
3546sub post_cleanup {
3547 my ($make_core) = @_;
3548
3549 warn Carp::longmess "post_cleanup backtrace"
3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
3554}
3555
3556# a safer delete_package, copied from Symbol
3557sub clear_package($) {
3558 my $pkg = shift;
3559
3560 # expand to full symbol table name if needed
3561 unless ($pkg =~ /^main::.*::$/) {
3562 $pkg = "main$pkg" if $pkg =~ /^::/;
3563 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3564 $pkg .= '::' unless $pkg =~ /::$/;
3565 }
3566
3567 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3568 my $stem_symtab = *{$stem}{HASH};
3569
3570 defined $stem_symtab and exists $stem_symtab->{$leaf}
3571 or return;
3572
3573 # clear all symbols
3574 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3575 for my $name (keys %$leaf_symtab) {
3576 _gv_clear *{"$pkg$name"};
3577# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3578 }
3579 warn "cleared package #$pkg\n";#d#
3580}
3581
3582our $RELOAD; # how many times to reload
3583
2289sub reload() { 3584sub do_reload_perl() {
2290 # can/must only be called in main 3585 # can/must only be called in main
2291 if ($Coro::current != $Coro::main) { 3586 if ($Coro::current != $Coro::main) {
2292 warn "can only reload from main coroutine\n"; 3587 warn "can only reload from main coroutine";
2293 return; 3588 return;
2294 } 3589 }
2295 3590
3591 return if $RELOAD++;
3592
3593 while ($RELOAD) {
2296 warn "reloading..."; 3594 warn "reloading...";
2297 3595
2298 warn "freezing server"; 3596 warn "entering sync_job";
2299 my $guard = freeze_mainloop; 3597
3598 cf::sync_job {
3599 cf::write_runtime_sync; # external watchdog should not bark
2300 cf::emergency_save; 3600 cf::emergency_save;
3601 cf::write_runtime_sync; # external watchdog should not bark
2301 3602
2302 warn "sync database to disk"; 3603 warn "syncing database to disk";
2303 cf::db_sync; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2304 IO::AIO::flush;
2305 3605
2306 eval {
2307 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2308 3607
2309 warn "cancel all watchers"; 3608 warn "flushing outstanding aio requests";
2310 for (Event::all_watchers) { 3609 while (IO::AIO::nreqs || BDB::nreqs) {
2311 $_->cancel if $_->data & WF_AUTOCANCEL; 3610 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2312 }
2313
2314 warn "cancel all extension coros";
2315 $_->cancel for values %EXT_CORO;
2316 %EXT_CORO = ();
2317
2318 warn "remove commands";
2319 %COMMAND = ();
2320
2321 warn "remove ext commands";
2322 %EXTCMD = ();
2323
2324 warn "unload/nuke all extensions";
2325 for my $pkg (@EXTS) {
2326 warn "... unloading $pkg";
2327
2328 if (my $cb = $pkg->can ("unload")) {
2329 eval {
2330 $cb->($pkg);
2331 1
2332 } or warn "$pkg unloaded, but with errors: $@";
2333 } 3611 }
2334 3612
3613 warn "cancelling all extension coros";
3614 $_->cancel for values %EXT_CORO;
3615 %EXT_CORO = ();
3616
3617 warn "removing commands";
3618 %COMMAND = ();
3619
3620 warn "removing ext/exti commands";
3621 %EXTCMD = ();
3622 %EXTICMD = ();
3623
3624 warn "unloading/nuking all extensions";
3625 for my $pkg (@EXTS) {
2335 warn "... nuking $pkg"; 3626 warn "... unloading $pkg";
2336 Symbol::delete_package $pkg;
2337 }
2338 3627
2339 warn "unload all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342
2343 warn "removing <$k>";
2344 delete $INC{$k};
2345
2346 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g;
2348
2349 if (my $cb = $k->can ("unload_module")) { 3628 if (my $cb = $pkg->can ("unload")) {
3629 eval {
2350 $cb->(); 3630 $cb->($pkg);
3631 1
3632 } or warn "$pkg unloaded, but with errors: $@";
3633 }
3634
3635 warn "... clearing $pkg";
3636 clear_package $pkg;
2351 } 3637 }
2352 3638
2353 Symbol::delete_package $k; 3639 warn "unloading all perl modules loaded from $LIBDIR";
3640 while (my ($k, $v) = each %INC) {
3641 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3642
3643 warn "... unloading $k";
3644 delete $INC{$k};
3645
3646 $k =~ s/\.pm$//;
3647 $k =~ s/\//::/g;
3648
3649 if (my $cb = $k->can ("unload_module")) {
3650 $cb->();
3651 }
3652
3653 clear_package $k;
2354 } 3654 }
2355 3655
2356 warn "get rid of safe::, as good as possible"; 3656 warn "getting rid of safe::, as good as possible";
2357 Symbol::delete_package "safe::$_" 3657 clear_package "safe::$_"
2358 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3658 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359 3659
2360 warn "unload cf.pm \"a bit\""; 3660 warn "unloading cf.pm \"a bit\"";
2361 delete $INC{"cf.pm"}; 3661 delete $INC{"cf.pm"};
3662 delete $INC{"cf/pod.pm"};
2362 3663
2363 # don't, removes xs symbols, too, 3664 # don't, removes xs symbols, too,
2364 # and global variables created in xs 3665 # and global variables created in xs
2365 #Symbol::delete_package __PACKAGE__; 3666 #clear_package __PACKAGE__;
2366 3667
3668 warn "unload completed, starting to reload now";
3669
2367 warn "reloading cf.pm"; 3670 warn "reloading cf.pm";
2368 require cf; 3671 require cf;
2369 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3672 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370 3673
2371 warn "load config and database again"; 3674 warn "loading config and database again";
2372 cf::cfg_load; 3675 cf::reload_config;
2373 cf::db_load;
2374 3676
2375 warn "load extensions"; 3677 warn "loading extensions";
2376 cf::load_extensions; 3678 cf::load_extensions;
2377 3679
2378 warn "reattach attachments to objects/players"; 3680 warn "reattaching attachments to objects/players";
2379 _global_reattach; 3681 _global_reattach; # objects, sockets
2380 warn "reattach attachments to maps"; 3682 warn "reattaching attachments to maps";
2381 reattach $_ for values %MAP; 3683 reattach $_ for values %MAP;
3684 warn "reattaching attachments to players";
3685 reattach $_ for values %PLAYER;
3686
3687 warn "leaving sync_job";
3688
3689 1
3690 } or do {
3691 warn $@;
3692 cf::cleanup "error while reloading, exiting.";
3693 };
3694
3695 warn "reloaded";
3696 --$RELOAD;
3697 }
3698};
3699
3700our $RELOAD_WATCHER; # used only during reload
3701
3702sub reload_perl() {
3703 # doing reload synchronously and two reloads happen back-to-back,
3704 # coro crashes during coro_state_free->destroy here.
3705
3706 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3707 do_reload_perl;
3708 undef $RELOAD_WATCHER;
2382 }; 3709 };
2383 3710}
2384 if ($@) {
2385 warn $@;
2386 warn "error while reloading, exiting.";
2387 exit 1;
2388 }
2389
2390 warn "reloaded";
2391};
2392
2393our $RELOAD_WATCHER; # used only during reload
2394 3711
2395register_command "reload" => sub { 3712register_command "reload" => sub {
2396 my ($who, $arg) = @_; 3713 my ($who, $arg) = @_;
2397 3714
2398 if ($who->flag (FLAG_WIZ)) { 3715 if ($who->flag (FLAG_WIZ)) {
2399 $who->message ("reloading server."); 3716 $who->message ("reloading server.");
2400 3717 async {
2401 # doing reload synchronously and two reloads happen back-to-back, 3718 $Coro::current->{desc} = "perl_reload";
2402 # coro crashes during coro_state_free->destroy here.
2403
2404 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2405 reload; 3719 reload_perl;
2406 undef $RELOAD_WATCHER;
2407 }); 3720 };
2408 } 3721 }
2409}; 3722};
2410 3723
2411unshift @INC, $LIBDIR; 3724unshift @INC, $LIBDIR;
2412 3725
2413$TICK_WATCHER = Event->timer ( 3726my $bug_warning = 0;
2414 reentrant => 0,
2415 prio => 0,
2416 at => $NEXT_TICK || $TICK,
2417 data => WF_AUTOCANCEL,
2418 cb => sub {
2419 $NOW = Event::time;
2420 3727
3728our @WAIT_FOR_TICK;
3729our @WAIT_FOR_TICK_BEGIN;
3730
3731sub wait_for_tick {
3732 return if tick_inhibit || $Coro::current == $Coro::main;
3733
3734 my $signal = new Coro::Signal;
3735 push @WAIT_FOR_TICK, $signal;
3736 $signal->wait;
3737}
3738
3739sub wait_for_tick_begin {
3740 return if tick_inhibit || $Coro::current == $Coro::main;
3741
3742 my $signal = new Coro::Signal;
3743 push @WAIT_FOR_TICK_BEGIN, $signal;
3744 $signal->wait;
3745}
3746
3747sub tick {
3748 if ($Coro::current != $Coro::main) {
3749 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3750 unless ++$bug_warning > 10;
3751 return;
3752 }
3753
2421 cf::server_tick; # one server iteration 3754 cf::server_tick; # one server iteration
2422 $RUNTIME += $TICK;
2423 $NEXT_TICK += $TICK;
2424 3755
2425 $WAIT_FOR_TICK->broadcast; 3756 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2426 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3757 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2427 3758 Coro::async_pool {
2428 # if we are delayed by four ticks or more, skip them all 3759 $Coro::current->{desc} = "runtime saver";
2429 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2430
2431 $TICK_WATCHER->at ($NEXT_TICK);
2432 $TICK_WATCHER->start;
2433 },
2434);
2435
2436IO::AIO::max_poll_time $TICK * 0.2;
2437
2438$AIO_POLL_WATCHER = Event->io (
2439 fd => IO::AIO::poll_fileno,
2440 poll => 'r',
2441 prio => 5,
2442 data => WF_AUTOCANCEL,
2443 cb => \&IO::AIO::poll_cb,
2444);
2445
2446$WRITE_RUNTIME_WATCHER = Event->timer (
2447 data => WF_AUTOCANCEL,
2448 after => 0,
2449 interval => 10,
2450 cb => sub {
2451 (Coro::unblock_sub {
2452 write_runtime 3760 write_runtime_sync
2453 or warn "ERROR: unable to write runtime file: $!"; 3761 or warn "ERROR: unable to write runtime file: $!";
2454 })->(); 3762 };
2455 }, 3763 }
2456); 3764
3765 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3766 $sig->send;
3767 }
3768 while (my $sig = shift @WAIT_FOR_TICK) {
3769 $sig->send;
3770 }
3771
3772 $LOAD = ($NOW - $TICK_START) / $TICK;
3773 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3774
3775 if (0) {
3776 if ($NEXT_TICK) {
3777 my $jitter = $TICK_START - $NEXT_TICK;
3778 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3779 warn "jitter $JITTER\n";#d#
3780 }
3781 }
3782}
3783
3784{
3785 # configure BDB
3786
3787 BDB::min_parallel 8;
3788 BDB::max_poll_reqs $TICK * 0.1;
3789 $AnyEvent::BDB::WATCHER->priority (1);
3790
3791 unless ($DB_ENV) {
3792 $DB_ENV = BDB::db_env_create;
3793 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3794 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3795 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798
3799 cf::sync_job {
3800 eval {
3801 BDB::db_env_open
3802 $DB_ENV,
3803 $BDBDIR,
3804 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3805 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3806 0666;
3807
3808 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3809 };
3810
3811 cf::cleanup "db_env_open(db): $@" if $@;
3812 };
3813 }
3814
3815 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3816 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3817 };
3818 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3819 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820 };
3821 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823 };
3824}
3825
3826{
3827 # configure IO::AIO
3828
3829 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1;
3831 undef $AnyEvent::AIO::WATCHER;
3832}
3833
3834my $_log_backtrace;
3835
3836sub _log_backtrace {
3837 my ($msg, @addr) = @_;
3838
3839 $msg =~ s/\n//;
3840
3841 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace;
3844 my $perl_bt = Carp::longmess $msg;
3845 async {
3846 $Coro::current->{desc} = "abt $msg";
3847
3848 my @bt = fork_call {
3849 @addr = map { sprintf "%x", $_ } @addr;
3850 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3851 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3852 or die "addr2line: $!";
3853
3854 my @funcs;
3855 my @res = <$fh>;
3856 chomp for @res;
3857 while (@res) {
3858 my ($func, $line) = splice @res, 0, 2, ();
3859 push @funcs, "[$func] $line";
3860 }
3861
3862 @funcs
3863 };
3864
3865 LOG llevInfo, "[ABT] $perl_bt\n";
3866 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace;
3869 };
3870 } else {
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n";
3873 }
3874}
3875
3876# load additional modules
3877use cf::pod;
2457 3878
2458END { cf::emergency_save } 3879END { cf::emergency_save }
2459 3880
24601 38811
2461 3882

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