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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.186 by root, Sat Jan 20 01:12:39 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 + 90 + 10; 548=cut
355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357 549
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 550sub fork_call(&@) {
359 and return; 551 my ($cb, @args) = @_;
360 552
361 aio_fsync $fh 553 # we seemingly have to make a local copy of the whole thing,
362 and return; 554 # otherwise perl prematurely frees the stuff :/
555 # TODO: investigate and fix (likely this will be rather laborious)
363 556
364 close $fh 557 my @res = Coro::Util::fork_eval {
365 or return; 558 reset_signals;
559 &$cb
560 }, @args;
366 561
367 aio_rename "$runtime~", $runtime 562 wantarray ? @res : $res[-1]
368 and return; 563}
369 564
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($$) {
634 my $key = "$_[0]/$_[1]";
635
636 cf::sync_job {
637 BDB::db_get $DB, undef, $key, my $data;
638
639 $! ? ()
640 : $data
370 1 641 }
642}
643
644sub db_put($$$) {
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 });
371} 728}
372 729
373=back 730=back
374 731
375=cut 732=cut
376 733
377############################################################################# 734#############################################################################
378 735
379=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
380 737
381Many 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
382attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
383to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
384 741
385In 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>
386C<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
387crossfire+). 744Deliantra).
388 745
389=over 4 746=over 4
390 747
391=item $attachable->attach ($attachment, key => $value...) 748=item $attachable->attach ($attachment, key => $value...)
392 749
… …
436=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
437 794
438Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
439given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
440 797
441Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
442that 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.
443 800
444These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
445 802
446=over 4 803=over 4
… …
555 $registry = $CB_TYPE[$object_type] ||= []; 912 $registry = $CB_TYPE[$object_type] ||= [];
556 913
557 } elsif ($type eq "subtype") { 914 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 915 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 916 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 917 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 918
562 } elsif ($type eq "package") { 919 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 920 my $pkg = shift @arg;
564 921
565 while (my ($name, $id) = each %cb_id) { 922 while (my ($name, $id) = each %cb_id) {
… …
594 _attach $registry, $klass, @attach; 951 _attach $registry, $klass, @attach;
595 } 952 }
596 953
597 $obj->{$name} = \%arg; 954 $obj->{$name} = \%arg;
598 } else { 955 } else {
599 warn "object uses attachment '$name' that is not available, postponing.\n"; 956 warn "object uses attachment '$name' which is not available, postponing.\n";
600 } 957 }
601 958
602 $obj->{_attachment}{$name} = undef; 959 $obj->{_attachment}{$name} = undef;
603} 960}
604 961
… …
606 if (ref $_[0]) { 963 if (ref $_[0]) {
607 _object_attach @_; 964 _object_attach @_;
608 } else { 965 } else {
609 _attach shift->_attach_registry, @_; 966 _attach shift->_attach_registry, @_;
610 } 967 }
968 _recalc_want;
611}; 969};
612 970
613# all those should be optimised 971# all those should be optimised
614sub cf::attachable::detach { 972sub cf::attachable::detach {
615 my ($obj, $name) = @_; 973 my ($obj, $name) = @_;
… …
618 delete $obj->{_attachment}{$name}; 976 delete $obj->{_attachment}{$name};
619 reattach ($obj); 977 reattach ($obj);
620 } else { 978 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 979 Carp::croak "cannot, currently, detach class attachments";
622 } 980 }
981 _recalc_want;
623}; 982};
624 983
625sub cf::attachable::attached { 984sub cf::attachable::attached {
626 my ($obj, $name) = @_; 985 my ($obj, $name) = @_;
627 986
… …
642 "; 1001 ";
643 die if $@; 1002 die if $@;
644} 1003}
645 1004
646our $override; 1005our $override;
647our @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?
648 1007
649sub override { 1008sub override {
650 $override = 1; 1009 $override = 1;
651 @invoke_results = (); 1010 @INVOKE_RESULTS = (@_);
652} 1011}
653 1012
654sub do_invoke { 1013sub do_invoke {
655 my $event = shift; 1014 my $event = shift;
656 my $callbacks = shift; 1015 my $callbacks = shift;
657 1016
658 @invoke_results = (); 1017 @INVOKE_RESULTS = ();
659 1018
660 local $override; 1019 local $override;
661 1020
662 for (@$callbacks) { 1021 for (@$callbacks) {
663 eval { &{$_->[1]} }; 1022 eval { &{$_->[1]} };
… …
672 } 1031 }
673 1032
674 0 1033 0
675} 1034}
676 1035
677=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678 1037
679=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680 1039
681Generate an object-specific event with the given arguments. 1040Generate an object-specific event with the given arguments.
682 1041
683This 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
684removed 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
685results (if you must, access C<@cf::invoke_results> directly). 1044results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686 1045
687=back 1046=back
688 1047
689=cut 1048=cut
690 1049
691############################################################################# 1050#############################################################################
692# 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, $ob2
1093}
693 1094
694sub reattach { 1095sub reattach {
695 # basically do the same as instantiate, without calling instantiate 1096 # basically do the same as instantiate, without calling instantiate
696 my ($obj) = @_; 1097 my ($obj) = @_;
697 1098
1099 # no longer needed after getting rid of delete_package?
698 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
699 1101
700 my $registry = $obj->registry; 1102 my $registry = $obj->registry;
701 1103
702 @$registry = (); 1104 @$registry = ();
703 1105
… …
718cf::attachable->attach ( 1120cf::attachable->attach (
719 prio => -1000000, 1121 prio => -1000000,
720 on_instantiate => sub { 1122 on_instantiate => sub {
721 my ($obj, $data) = @_; 1123 my ($obj, $data) = @_;
722 1124
723 $data = from_json $data; 1125 $data = decode_json $data;
724 1126
725 for (@$data) { 1127 for (@$data) {
726 my ($name, $args) = @$_; 1128 my ($name, $args) = @$_;
727 1129
728 $obj->attach ($name, %{$args || {} }); 1130 $obj->attach ($name, %{$args || {} });
… …
744sub object_freezer_save { 1146sub object_freezer_save {
745 my ($filename, $rdata, $objs) = @_; 1147 my ($filename, $rdata, $objs) = @_;
746 1148
747 sync_job { 1149 sync_job {
748 if (length $$rdata) { 1150 if (length $$rdata) {
1151 utf8::decode (my $decname = $filename);
749 warn sprintf "saving %s (%d,%d)\n", 1152 warn sprintf "saving %s (%d,%d)\n",
750 $filename, length $$rdata, scalar @$objs; 1153 $decname, length $$rdata, scalar @$objs;
751 1154
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1157 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 1158 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 1159 aio_close $fh;
757 1160
758 if (@$objs) { 1161 if (@$objs) {
759 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) {
760 chmod SAVE_MODE, $fh; 1163 aio_chmod $fh, SAVE_MODE;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1164 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 1165 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 1166 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 1167 aio_close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 1168 aio_rename "$filename.pst~", "$filename.pst";
766 } 1169 }
767 } else { 1170 } else {
768 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
769 } 1172 }
… …
774 } 1177 }
775 } else { 1178 } else {
776 aio_unlink $filename; 1179 aio_unlink $filename;
777 aio_unlink "$filename.pst"; 1180 aio_unlink "$filename.pst";
778 } 1181 }
779 } 1182 };
780} 1183}
781 1184
782sub object_freezer_as_string { 1185sub object_freezer_as_string {
783 my ($rdata, $objs) = @_; 1186 my ($rdata, $objs) = @_;
784 1187
… …
796 or return; 1199 or return;
797 1200
798 unless (aio_stat "$filename.pst") { 1201 unless (aio_stat "$filename.pst") {
799 (aio_load "$filename.pst", $av) >= 0 1202 (aio_load "$filename.pst", $av) >= 0
800 or return; 1203 or return;
1204
801 $av = eval { (Storable::thaw $av)->{objs} }; 1205 my $st = eval { Coro::Storable::thaw $av };
1206 $av = $st->{objs};
802 } 1207 }
803 1208
1209 utf8::decode (my $decname = $filename);
804 warn sprintf "loading %s (%d)\n", 1210 warn sprintf "loading %s (%d,%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 1211 $decname, length $data, scalar @{$av || []};
1212
806 return ($data, $av); 1213 ($data, $av)
807} 1214}
1215
1216=head2 COMMAND CALLBACKS
1217
1218=over 4
1219
1220=cut
808 1221
809############################################################################# 1222#############################################################################
810# command handling &c 1223# command handling &c
811 1224
812=item cf::register_command $name => \&callback($ob,$args); 1225=item cf::register_command $name => \&callback($ob,$args);
… …
825 push @{ $COMMAND{$name} }, [$caller, $cb]; 1238 push @{ $COMMAND{$name} }, [$caller, $cb];
826} 1239}
827 1240
828=item cf::register_extcmd $name => \&callback($pl,$packet); 1241=item cf::register_extcmd $name => \&callback($pl,$packet);
829 1242
830Register 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.
831 1248
832If 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
833called. 1250called.
834 1251
1252=item cf::register_exticmd $name => \&callback($ns,$packet);
1253
1254Register a callback for execution when the client sends an (asynchronous)
1255exticmd packet. Exti commands are processed by the server as soon as they
1256are received, i.e. out of order w.r.t. other commands. The first argument
1257is a client socket. Exti commands can be received anytime, even before
1258log-in.
1259
1260If the callback returns something, it is sent back as if reply was being
1261called.
1262
835=cut 1263=cut
836 1264
837sub register_extcmd { 1265sub register_extcmd {
838 my ($name, $cb) = @_; 1266 my ($name, $cb) = @_;
839 1267
840 $EXTCMD{$name} = $cb; 1268 $EXTCMD{$name} = $cb;
1269}
1270
1271sub register_exticmd {
1272 my ($name, $cb) = @_;
1273
1274 $EXTICMD{$name} = $cb;
841} 1275}
842 1276
843cf::player->attach ( 1277cf::player->attach (
844 on_command => sub { 1278 on_command => sub {
845 my ($pl, $name, $params) = @_; 1279 my ($pl, $name, $params) = @_;
… …
854 cf::override; 1288 cf::override;
855 }, 1289 },
856 on_extcmd => sub { 1290 on_extcmd => sub {
857 my ($pl, $buf) = @_; 1291 my ($pl, $buf) = @_;
858 1292
859 my $msg = eval { from_json $buf }; 1293 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860 1294
861 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
862 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1303 if (my $cb = $EXTCMD{$type}) {
863 if (my %reply = $cb->($pl, $msg)) { 1304 @reply = $cb->($pl, @payload);
864 $pl->ext_reply ($msg->{msgid}, %reply);
865 }
866 } 1305 }
1306
1307 $pl->ext_reply ($reply, @reply)
1308 if $reply;
1309
867 } else { 1310 } else {
868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1311 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869 } 1312 }
870 1313
871 cf::override; 1314 cf::override;
872 }, 1315 },
873); 1316);
874 1317
875sub load_extension {
876 my ($path) = @_;
877
878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
879 my $base = $1;
880 my $pkg = $1;
881 $pkg =~ s/[^[:word:]]/_/g;
882 $pkg = "ext::$pkg";
883
884 warn "... loading '$path' into '$pkg'\n";
885
886 open my $fh, "<:utf8", $path
887 or die "$path: $!";
888
889 my $source =
890 "package $pkg; use strict; use utf8;\n"
891 . "#line 1 \"$path\"\n{\n"
892 . (do { local $/; <$fh> })
893 . "\n};\n1";
894
895 unless (eval $source) {
896 my $msg = $@ ? "$path: $@\n"
897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
905
906 push @EXTS, $pkg;
907}
908
909sub load_extensions { 1318sub load_extensions {
1319 cf::sync_job {
1320 my %todo;
1321
910 for my $ext (<$LIBDIR/*.ext>) { 1322 for my $path (<$LIBDIR/*.ext>) {
911 next unless -r $ext; 1323 next unless -r $path;
912 eval { 1324
913 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 $progress = 1;
914 1 1381 }
915 } or warn "$ext not loaded: $@"; 1382
1383 skip:
1384 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1385 unless $progress;
1386 }
916 } 1387 };
917} 1388}
918 1389
919############################################################################# 1390#############################################################################
920 1391
1392=back
1393
921=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
922 1395
923Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
924 1397
925=cut 1398=cut
926 1399
927package cf::player; 1400package cf::player;
928 1401
… …
930 1403
931=head3 cf::player 1404=head3 cf::player
932 1405
933=over 4 1406=over 4
934 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
935=item cf::player::find $login 1422=item cf::player::find $login
936 1423
937Returns the given player object, loading it if necessary (might block). 1424Returns the given player object, loading it if necessary (might block).
938 1425
939=cut 1426=cut
940 1427
941sub playerdir($) { 1428sub playerdir($) {
942 cf::localdir 1429 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1430 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1431}
948 1432
949sub path($) { 1433sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1434 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1435
952 (playerdir $login) . "/$login.pl" 1436 (playerdir $login) . "/playerdata"
953} 1437}
954 1438
955sub find_active($) { 1439sub find_active($) {
956 $cf::PLAYER{$_[0]} 1440 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1441 and $cf::PLAYER{$_[0]}->active
… …
970 my $login = $_[0]; 1454 my $login = $_[0];
971 1455
972 my $guard = cf::lock_acquire "user_find:$login"; 1456 my $guard = cf::lock_acquire "user_find:$login";
973 1457
974 $cf::PLAYER{$_[0]} || do { 1458 $cf::PLAYER{$_[0]} || do {
975 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
976 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;
977 $cf::PLAYER{$login} = $pl 1474 $cf::PLAYER{$login} = $pl
978 } 1475 }
979 } 1476 }
980} 1477}
981 1478
… …
990 return if $pl->{deny_save}; 1487 return if $pl->{deny_save};
991 1488
992 aio_mkdir playerdir $pl, 0770; 1489 aio_mkdir playerdir $pl, 0770;
993 $pl->{last_save} = $cf::RUNTIME; 1490 $pl->{last_save} = $cf::RUNTIME;
994 1491
1492 cf::get_slot 0.01;
1493
995 $pl->save_pl ($path); 1494 $pl->save_pl ($path);
996 Coro::cede; 1495 cf::cede_to_tick;
997} 1496}
998 1497
999sub new($) { 1498sub new($) {
1000 my ($login) = @_; 1499 my ($login) = @_;
1001 1500
… …
1007 $cf::PLAYER{$login} = $self; 1506 $cf::PLAYER{$login} = $self;
1008 1507
1009 $self 1508 $self
1010} 1509}
1011 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
1012=item $pl->quit_character 1521=item $pl->quit_character
1013 1522
1014Nukes the player without looking back. If logged in, the connection will 1523Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time. 1524be destroyed. May block for a long time.
1016 1525
1017=cut 1526=cut
1018 1527
1019sub quit_character { 1528sub quit_character {
1020 my ($pl) = @_; 1529 my ($pl) = @_;
1021 1530
1531 my $name = $pl->ob->name;
1532
1022 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1023 $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
1024 1535
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1537 $pl->deactivate;
1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1539 $pl->ob->check_score;
1027 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1540 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1028 $pl->ns->destroy if $pl->ns; 1541 $pl->ns->destroy if $pl->ns;
1029 1542
1030 my $path = playerdir $pl; 1543 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1544 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1545 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1546 delete $cf::PLAYER{$pl->ob->name};
1034 $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
1035 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;
1036} 1569}
1037 1570
1038=item cf::player::list_logins 1571=item cf::player::list_logins
1039 1572
1040Returns 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
1041while and may block, so not sync_job-capable, ever. 1574while and may block, so not sync_job-capable, ever.
1042 1575
1043=cut 1576=cut
1044 1577
1045sub list_logins { 1578sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1579 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1580 or return [];
1048 1581
1049 my @logins; 1582 my @logins;
1050 1583
1051 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") {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1590 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next; 1591 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag 1592 $buf !~ /^password -------------$/m or next; # official not-valid tag
1593 }
1055 1594
1056 utf8::decode $login; 1595 utf8::decode $login;
1057 push @logins, $login; 1596 push @logins, $login;
1058 } 1597 }
1059 1598
… …
1067 1606
1068=cut 1607=cut
1069 1608
1070sub maps($) { 1609sub maps($) {
1071 my ($pl) = @_; 1610 my ($pl) = @_;
1611
1612 $pl = ref $pl ? $pl->ob->name : $pl;
1072 1613
1073 my $files = aio_readdir playerdir $pl 1614 my $files = aio_readdir playerdir $pl
1074 or return; 1615 or return;
1075 1616
1076 my @paths; 1617 my @paths;
… …
1078 for (@$files) { 1619 for (@$files) {
1079 utf8::decode $_; 1620 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1621 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1622 next unless /^$PATH_SEP/o;
1082 1623
1083 s/\.map$//; 1624 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1625 }
1086 1626
1087 \@paths 1627 \@paths
1088} 1628}
1089 1629
1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631
1632Expand deliantra pod fragments into protocol xml.
1633
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1634=item $player->ext_reply ($msgid, @msg)
1091 1635
1092Sends an ext reply to the player. 1636Sends an ext reply to the player.
1093 1637
1094=cut 1638=cut
1095 1639
1096sub ext_reply($$$%) { 1640sub ext_reply($$@) {
1097 my ($self, $id, %msg) = @_; 1641 my ($self, $id, @msg) = @_;
1098 1642
1099 $msg{msgid} = $id; 1643 $self->ns->ext_reply ($id, @msg)
1100
1101 $self->send ("ext " . cf::to_json \%msg);
1102} 1644}
1103 1645
1104package 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}
1105 1686
1106=back 1687=back
1107
1108 1688
1109=head3 cf::map 1689=head3 cf::map
1110 1690
1111=over 4 1691=over 4
1112 1692
… …
1124our $MAX_RESET = 3600; 1704our $MAX_RESET = 3600;
1125our $DEFAULT_RESET = 3000; 1705our $DEFAULT_RESET = 3000;
1126 1706
1127sub generate_random_map { 1707sub generate_random_map {
1128 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
1711
1129 # mit "rum" bekleckern, nicht 1712 # mit "rum" bekleckern, nicht
1130 $self->_create_random_map ( 1713 $self->_create_random_map (
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1714 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1715 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1716 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1723 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141 (cf::region::find $rmp->{region}), $rmp->{custom} 1724 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 ) 1725 )
1143} 1726}
1144 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
1145sub register { 1736sub register {
1146 my (undef, $regex) = @_; 1737 my (undef, $regex, $prio) = @_;
1147 my $pkg = caller; 1738 my $pkg = caller;
1148 1739
1149 no strict; 1740 no strict;
1150 push @{"$pkg\::ISA"}, __PACKAGE__; 1741 push @{"$pkg\::ISA"}, __PACKAGE__;
1151 1742
1152 $EXT_MAP{$pkg} = qr<$regex>; 1743 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1153} 1744}
1154 1745
1155# also paths starting with '/' 1746# also paths starting with '/'
1156$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1747$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1157 1748
1158sub thawer_merge { 1749sub thawer_merge {
1159 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1160 1751
1161 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1162 local $self->{path}; 1753 local $self->{path};
1163 local $self->{load_path}; 1754 local $self->{load_path};
1164 local $self->{deny_save};
1165 local $self->{deny_reset};
1166 1755
1167 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1168} 1757}
1169 1758
1170sub normalise { 1759sub normalise {
1171 my ($path, $base) = @_; 1760 my ($path, $base) = @_;
1761
1762 $path = "$path"; # make sure its a string
1763
1764 $path =~ s/\.map$//;
1172 1765
1173 # map plan: 1766 # map plan:
1174 # 1767 #
1175 # /! non-realised random map exit (special hack!) 1768 # /! non-realised random map exit (special hack!)
1176 # {... are special paths that are not being touched 1769 # {... are special paths that are not being touched
… …
1204 1797
1205 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
1206 1799
1207 $path = normalise $path, $base; 1800 $path = normalise $path, $base;
1208 1801
1209 for my $pkg (keys %EXT_MAP) { 1802 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1210 if ($path =~ $EXT_MAP{$pkg}) { 1803 if ($path =~ $EXT_MAP{$pkg}[1]) {
1211 my $self = bless cf::map::new, $pkg; 1804 my $self = bless cf::map::new, $pkg;
1212 $self->{path} = $path; $self->path ($path); 1805 $self->{path} = $path; $self->path ($path);
1213 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1214 return $self; 1807 return $self;
1215 } 1808 }
1216 } 1809 }
1217 1810
1218 Carp::carp "unable to resolve path '$path'."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1219 () 1812 ()
1220} 1813}
1221 1814
1222sub init { 1815sub init {
1223 my ($self) = @_; 1816 my ($self) = @_;
… …
1238 1831
1239# the original (read-only) location 1832# the original (read-only) location
1240sub load_path { 1833sub load_path {
1241 my ($self) = @_; 1834 my ($self) = @_;
1242 1835
1243 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1244} 1837}
1245 1838
1246# the temporary/swap location 1839# the temporary/swap location
1247sub save_path { 1840sub save_path {
1248 my ($self) = @_; 1841 my ($self) = @_;
1249 1842
1250 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1251 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1252} 1845}
1253 1846
1254# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1255sub uniq_path { 1848sub uniq_path {
1256 my ($self) = @_; 1849 my ($self) = @_;
1257 1850
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1259 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1260} 1853}
1261 1854
1262# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1263# all maps in C++... 1856# all maps in C++...
1264sub change_all_map_light { 1857sub change_all_map_light {
… …
1266 1859
1267 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1268 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1269} 1862}
1270 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1271sub unlink_save { 1872sub unlink_save {
1272 my ($self) = @_; 1873 my ($self) = @_;
1273 1874
1274 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1275 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1278 1879
1279sub load_header_from($) { 1880sub load_header_from($) {
1280 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1281 1882
1282 utf8::encode $path; 1883 utf8::encode $path;
1283 aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1284 or return; 1885 or return;
1285 1886
1286 $self->_load_header ($path) 1887 $self->_load_header ($f)
1287 or return; 1888 or return;
1288 1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1892
1289 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1290 1894
1291 1 1895 1
1292} 1896}
1293 1897
1294sub load_orig { 1898sub load_header_orig {
1295 my ($self) = @_; 1899 my ($self) = @_;
1296 1900
1297 $self->load_header_from ($self->load_path) 1901 $self->load_header_from ($self->load_path)
1298} 1902}
1299 1903
1300sub load_temp { 1904sub load_header_temp {
1301 my ($self) = @_; 1905 my ($self) = @_;
1302 1906
1303 $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;
1304} 1927}
1305 1928
1306sub load_header { 1929sub load_header {
1307 my ($self) = @_; 1930 my ($self) = @_;
1308 1931
1309 if ($self->load_temp) { 1932 if ($self->load_header_temp) {
1310 $self->last_access ((delete $self->{last_access}) 1933 $self->prepare_temp;
1311 || $cf::RUNTIME); #d#
1312 # safety
1313 $self->{instantiate_time} = $cf::RUNTIME
1314 if $self->{instantiate_time} > $cf::RUNTIME;
1315 } else { 1934 } else {
1316 $self->load_orig 1935 $self->load_header_orig
1317 or return; 1936 or return;
1318 1937 $self->prepare_orig;
1319 $self->{load_original} = 1;
1320 $self->{instantiate_time} = $cf::RUNTIME;
1321 $self->last_access ($cf::RUNTIME);
1322 $self->instantiate;
1323 } 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;
1324 1945
1325 1 1946 1
1326} 1947}
1327 1948
1328sub find; 1949sub find;
1329sub find { 1950sub find {
1330 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1331 1952
1332 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1333 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1334 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1335 1957
1336 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1959 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1337 my $guard = cf::lock_acquire "map_find:$path"; 1960 my $guard2 = cf::lock_acquire "map_find:$path";
1961
1338 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1339 or return; 1963 or return;
1340 1964
1341 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1342 1966
1343 $map->load_header 1967 $map->load_header
1344 or return; 1968 or return;
1345 1969
1346 if ($map->should_reset) { 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1347 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1348 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1349 $map->reset; 1975 $map->reset;
1350 undef $guard;
1351 $map = find $path 1976 return find $path;
1352 or return;
1353 } 1977 }
1354 1978
1355 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1356 } 1980 }
1357} 1981}
1982
1983sub pre_load { }
1984sub post_load { }
1358 1985
1359sub load { 1986sub load {
1360 my ($self) = @_; 1987 my ($self) = @_;
1361 1988
1989 local $self->{deny_reset} = 1; # loading can take a long time
1990
1362 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1363 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1364 1995
1996 return unless $self->valid;
1365 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1366 1998
1367 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1368 2000
1369 $self->alloc; 2001 $self->alloc;
1370 $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)
1371 or return; 2009 or return;
1372 2010
1373 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1374 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1375 2013
1376 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1377 utf8::encode $uniq; 2015 utf8::encode $uniq;
1378 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1379 $self->clear_unique_items; 2018 $self->clear_unique_items;
1380 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1381 } 2022 }
1382 } 2023 }
1383 2024
1384 Coro::cede; 2025 $f->resolve_delayed_derefs;
1385 2026
2027 cf::cede_to_tick;
1386 # now do the right thing for maps 2028 # now do the right thing for maps
1387 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1388
1389 unless ($self->{deny_activate}) {
1390 $self->decay_objects;
1391 $self->fix_auto_apply;
1392 $self->update_buttons;
1393 Coro::cede;
1394 $self->set_darkness_map;
1395 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1396 unless $self->difficulty; 2031 unless $self->difficulty;
1397 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;
1398 $self->activate; 2041 $self->activate;
1399 } 2042 }
1400 2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
1401 $self->in_memory (cf::MAP_IN_MEMORY); 2047 $self->in_memory (cf::MAP_ACTIVE);
2048 }
2049
2050 $self->post_load;
1402} 2051}
1403 2052
1404sub customise_for { 2053sub customise_for {
1405 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1406 2055
1407 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1408 if $self->per_player; 2057 if $self->per_player;
1409 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1410 $self 2062 $self
1411} 2063}
1412 2064
1413# 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
1414sub load_diag { 2066sub load_neighbours {
1415 my ($map) = @_; 2067 my ($map) = @_;
1416 2068
1417 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1418 2070
1419 for (0 .. 3) { 2071 for (0 .. 3) {
1420 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1421 or next; 2073 or next;
1422 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1423 or next; 2075 or next;
1424 $neigh->load; 2076 $neigh->load;
1425 2077
2078 push @neigh,
1426 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1427 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1428 } 2081 }
1429 2082
1430 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1431 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1432 or next; 2086 or next;
1433 $neigh->load; 2087 $neigh->load;
1434 } 2088 }
1435} 2089}
1436 2090
… …
1441} 2095}
1442 2096
1443sub do_load_sync { 2097sub do_load_sync {
1444 my ($map) = @_; 2098 my ($map) = @_;
1445 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1446 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1447} 2104}
1448 2105
1449our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1450our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1451 2108
1452sub find_async { 2109sub find_async {
1453 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1454 2111
1455 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1456 2113
1457 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1459 } 2116 }
1460 2117
1461 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1462 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1463 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1464 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1465 my $map = find $path 2125 if (my $map = find $k) {
1466 or next;
1467 $map->load; 2126 $map->load if $v;
2127 }
1468 2128
1469 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1470 } 2130 }
1471 } 2131 }
1472 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1473 }; 2133 };
2134 $MAP_PREFETCHER->prio (6);
1474 2135
1475 () 2136 ()
1476} 2137}
1477 2138
1478sub save { 2139sub save {
1479 my ($self) = @_; 2140 my ($self) = @_;
1480 2141
1481 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1482 2143
1483 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1484 2145
1485 return unless $self->dirty; 2146 return unless $self->dirty;
1486 2147
… …
1492 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1493 2154
1494 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1495 2156
1496 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1497 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1498 }; 2160 };
2161
2162 cf::get_slot 0.02;
1499 2163
1500 if ($uniq) { 2164 if ($uniq) {
1501 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2165 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1502 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2166 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1503 } else { 2167 } else {
… …
1509 my ($self) = @_; 2173 my ($self) = @_;
1510 2174
1511 # save first because save cedes 2175 # save first because save cedes
1512 $self->save; 2176 $self->save;
1513 2177
1514 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1515 2179
1516 return if $self->players; 2180 return if $self->players;
1517 return if $self->in_memory != cf::MAP_IN_MEMORY; 2181 return if $self->in_memory != cf::MAP_ACTIVE;
1518 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1519 2183
2184 $self->in_memory (cf::MAP_SWAPPED);
2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1520 $self->clear; 2188 $self->clear;
1521 $self->in_memory (cf::MAP_SWAPPED);
1522} 2189}
1523 2190
1524sub reset_at { 2191sub reset_at {
1525 my ($self) = @_; 2192 my ($self) = @_;
1526 2193
1527 # TODO: safety, remove and allow resettable per-player maps 2194 # TODO: safety, remove and allow resettable per-player maps
1528 return 1e99 if $self->isa ("ext::map_per_player");#d#
1529 return 1e99 if $self->{deny_reset}; 2195 return 1e99 if $self->{deny_reset};
1530 2196
1531 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2197 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1532 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;
1533 2199
… …
1544 my ($self) = @_; 2210 my ($self) = @_;
1545 2211
1546 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2212 my $lock = cf::lock_acquire "map_data:$self->{path}";
1547 2213
1548 return if $self->players; 2214 return if $self->players;
1549 return if $self->isa ("ext::map_per_player");#d#
1550 2215
1551 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 }
1552 2227
1553 delete $cf::MAP{$self->path}; 2228 delete $cf::MAP{$self->path};
1554 2229
1555 $self->in_memory (cf::MAP_SWAPPED); 2230 $self->deactivate;
2231 $_->clear_links_to ($self) for values %cf::MAP;
1556 $self->clear; 2232 $self->clear;
1557
1558 $_->clear_links_to ($self) for values %cf::MAP;
1559 2233
1560 $self->unlink_save; 2234 $self->unlink_save;
1561 $self->destroy; 2235 $self->destroy;
1562} 2236}
1563 2237
1564my $nuke_counter = "aaaa"; 2238my $nuke_counter = "aaaa";
1565 2239
1566sub nuke { 2240sub nuke {
1567 my ($self) = @_; 2241 my ($self) = @_;
1568 2242
2243 {
2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2245
1569 delete $cf::MAP{$self->path}; 2246 delete $cf::MAP{$self->path};
1570 2247
1571 $self->unlink_save; 2248 $self->unlink_save;
1572 2249
1573 bless $self, "cf::map"; 2250 bless $self, "cf::map";
1574 delete $self->{deny_reset}; 2251 delete $self->{deny_reset};
1575 $self->{deny_save} = 1; 2252 $self->{deny_save} = 1;
1576 $self->reset_timeout (1); 2253 $self->reset_timeout (1);
1577 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2254 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1578 2255
1579 $cf::MAP{$self->path} = $self; 2256 $cf::MAP{$self->path} = $self;
2257 }
1580 2258
1581 $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 ]
1582} 2296}
1583 2297
1584=item cf::map::unique_maps 2298=item cf::map::unique_maps
1585 2299
1586Returns an arrayref of paths of all shared maps that have 2300Returns an arrayref of paths of all shared maps that have
1587instantiated unique items. May block. 2301instantiated unique items. May block.
1588 2302
1589=cut 2303=cut
1590 2304
1591sub unique_maps() { 2305sub unique_maps() {
1592 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2306 [
1593 or return; 2307 map {
1594
1595 my @paths;
1596
1597 for (@$files) {
1598 utf8::decode $_; 2308 utf8::decode $_;
1599 next if /\.pst$/; 2309 s/\.map$//; # TODO future compatibility hack
1600 next unless /^$PATH_SEP/o; 2310 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1601 2311 ? ()
1602 s/\.map$//; 2312 : normalise $_
1603 push @paths, $_; 2313 } @{ aio_readdir $UNIQUEDIR or [] }
1604 } 2314 ]
1605
1606 \@paths
1607} 2315}
1608
1609package cf;
1610 2316
1611=back 2317=back
1612 2318
1613=head3 cf::object 2319=head3 cf::object
1614 2320
… …
1618 2324
1619=over 4 2325=over 4
1620 2326
1621=item $ob->inv_recursive 2327=item $ob->inv_recursive
1622 2328
1623Returns 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.
1624 2331
1625=cut 2332=cut
1626 2333
1627sub inv_recursive_; 2334sub inv_recursive_;
1628sub inv_recursive_ { 2335sub inv_recursive_ {
… …
1631 2338
1632sub inv_recursive { 2339sub inv_recursive {
1633 inv_recursive_ inv $_[0] 2340 inv_recursive_ inv $_[0]
1634} 2341}
1635 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
1636package cf; 2371package cf;
1637 2372
1638=back 2373=back
1639 2374
1640=head3 cf::object::player 2375=head3 cf::object::player
… …
1646Sends 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>
1647can 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
1648dialogue with the given NPC character. 2383dialogue with the given NPC character.
1649 2384
1650=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};
1651 2400
1652# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
1653# with dialog boxes. 2402# with dialog boxes.
1654#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
1655sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
… …
1657 2406
1658 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1659 2408
1660 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1661 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1662 } 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 {
1663 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1664 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422 }
1665 } 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 (@_);
1666} 2434}
1667 2435
1668=item $player_object->may ("access") 2436=item $player_object->may ("access")
1669 2437
1670Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1683 2451
1684=item $player_object->enter_link 2452=item $player_object->enter_link
1685 2453
1686Freezes 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}>).
1687 2455
1688The 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.
1689I<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.
1690 2460
1691Will never block. 2461Will never block.
1692 2462
1693=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
1694 2464
… …
1702=cut 2472=cut
1703 2473
1704sub link_map { 2474sub link_map {
1705 unless ($LINK_MAP) { 2475 unless ($LINK_MAP) {
1706 $LINK_MAP = cf::map::find "{link}" 2476 $LINK_MAP = cf::map::find "{link}"
1707 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2477 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1708 $LINK_MAP->load; 2478 $LINK_MAP->load;
1709 } 2479 }
1710 2480
1711 $LINK_MAP 2481 $LINK_MAP
1712} 2482}
… …
1717 $self->deactivate_recursive; 2487 $self->deactivate_recursive;
1718 2488
1719 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2489 return if UNIVERSAL::isa $self->map, "ext::map_link";
1720 2490
1721 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2491 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1722 if $self->map; 2492 if $self->map && $self->map->{path} ne "{link}";
1723 2493
1724 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2494 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1725} 2495}
1726 2496
1727sub cf::object::player::leave_link { 2497sub cf::object::player::leave_link {
1728 my ($self, $map, $x, $y) = @_; 2498 my ($self, $map, $x, $y) = @_;
2499
2500 return unless $self->contr->active;
1729 2501
1730 my $link_pos = delete $self->{_link_pos}; 2502 my $link_pos = delete $self->{_link_pos};
1731 2503
1732 unless ($map) { 2504 unless ($map) {
1733 # restore original map position 2505 # restore original map position
… …
1747 # use -1 or undef as default coordinates, not 0, 0 2519 # use -1 or undef as default coordinates, not 0, 0
1748 ($x, $y) = ($map->enter_x, $map->enter_y) 2520 ($x, $y) = ($map->enter_x, $map->enter_y)
1749 if $x <=0 && $y <= 0; 2521 if $x <=0 && $y <= 0;
1750 2522
1751 $map->load; 2523 $map->load;
1752 $map->load_diag; 2524 $map->load_neighbours;
1753 2525
1754 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1755 $self->activate_recursive; 2528 $self->activate_recursive;
2529
2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1756 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
1757} 2532}
1758 2533
1759cf::player->attach ( 2534=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1760 on_logout => sub {
1761 my ($pl) = @_;
1762 2535
1763 # abort map switching before logout 2536Moves the player to the given map-path and coordinates by first freezing
1764 if ($pl->ob->{_link_pos}) { 2537her, loading and preparing them map, calling the provided $check callback
1765 cf::sync_job { 2538that has to return the map if sucecssful, and then unfreezes the player on
1766 $pl->ob->leave_link 2539the new (success) or old (failed) map position. In either case, $done will
1767 }; 2540be called at the end of this process.
1768 }
1769 },
1770 on_login => sub {
1771 my ($pl) = @_;
1772 2541
1773 # try to abort aborted map switching on player login :) 2542Note that $check will be called with a potentially non-loaded map, so if
1774 # should happen only on crashes 2543it needs a loaded map it has to call C<< ->load >>.
1775 if ($pl->ob->{_link_pos}) {
1776 $pl->ob->enter_link;
1777 (async {
1778 # we need this sleep as the login has a concurrent enter_exit running
1779 # and this sleep increases chances of the player not ending up in scorn
1780 $pl->ob->reply (undef,
1781 "There was an internal problem at your last logout, "
1782 . "the server will try to bring you to your intended destination in a second.",
1783 cf::NDI_RED);
1784 Coro::Timer::sleep 1;
1785 $pl->ob->leave_link;
1786 })->prio (2);
1787 }
1788 },
1789);
1790 2544
1791=item $player_object->goto ($path, $x, $y)
1792
1793=cut 2545=cut
2546
2547our $GOTOGEN;
1794 2548
1795sub cf::object::player::goto { 2549sub cf::object::player::goto {
1796 my ($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;
1797 2554
1798 $self->enter_link; 2555 $self->enter_link;
1799 2556
1800 (async { 2557 (async {
1801 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) {
1802 $map = $map->customise_for ($self) if $map; 2583 $map = $map->customise_for ($self);
1803 2584 $map = $check->($map) if $check && $map;
1804# warn "entering ", $map->path, " at ($x, $y)\n" 2585 } else {
1805# if $map;
1806
1807 $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 }
1808 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};
1809 $self->leave_link ($map, $x, $y); 2599 $self->leave_link ($map, $x, $y);
2600 }
2601
2602 $done->() if $done;
1810 })->prio (1); 2603 })->prio (1);
1811} 2604}
1812 2605
1813=item $player_object->enter_exit ($exit_object) 2606=item $player_object->enter_exit ($exit_object)
1814 2607
… …
1834} 2627}
1835 2628
1836sub prepare_random_map { 2629sub prepare_random_map {
1837 my ($exit) = @_; 2630 my ($exit) = @_;
1838 2631
1839 my $guard = cf::lock_acquire "exit_prepare:$exit";
1840
1841 # all this does is basically replace the /! path by 2632 # all this does is basically replace the /! path by
1842 # a new random map path (?random/...) with a seed 2633 # a new random map path (?random/...) with a seed
1843 # that depends on the exit object 2634 # that depends on the exit object
1844 2635
1845 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
1846 2637
1847 if ($exit->map) { 2638 if ($exit->map) {
1848 $rmp->{region} = $exit->map->region_name; 2639 $rmp->{region} = $exit->region->name;
1849 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
1850 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
1851 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
1852 } 2645 }
1853 2646
1854 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
1855 2648
1856 my $data = cf::to_json $rmp; 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1857 my $md5 = Digest::MD5::md5_hex $data; 2650 my $md5 = Digest::MD5::md5_hex $data;
1858 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2651 my $meta = "$RANDOMDIR/$md5.meta";
1859 2652
1860 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1861 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
1862 undef $fh; 2655 undef $fh;
1863 aio_rename "$meta~", $meta; 2656 aio_rename "$meta~", $meta;
1864 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
1865 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
1866 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
1867 } 2664 }
1868} 2665}
1869 2666
1870sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
1871 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
… …
1873 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
1874 2671
1875 $self->enter_link; 2672 $self->enter_link;
1876 2673
1877 (async { 2674 (async {
1878 $self->deactivate_recursive; # just to be sure 2675 $Coro::current->{desc} = "enter_exit";
2676
1879 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
1880 prepare_random_map $exit 2684 prepare_random_map $exit
1881 if $exit->slaying eq "/!"; 2685 if $exit->slaying eq "/!";
2686 }
1882 2687
1883 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;
1884 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
1885 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
1886 1; 2698 1
1887 }) { 2699 }) {
1888 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
1889 . "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. "
1890 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
1891 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
1892 2704
1893 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
1894 $self->leave_link; 2706 $self->leave_link;
1895 } 2707 }
1896 })->prio (1); 2708 })->prio (1);
… …
1909 2721
1910sub cf::client::send_drawinfo { 2722sub cf::client::send_drawinfo {
1911 my ($self, $text, $flags) = @_; 2723 my ($self, $text, $flags) = @_;
1912 2724
1913 utf8::encode $text; 2725 utf8::encode $text;
1914 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2726 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1915} 2727}
1916 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}
1917 2908
1918=item $success = $client->query ($flags, "text", \&cb) 2909=item $success = $client->query ($flags, "text", \&cb)
1919 2910
1920Queues a query to the client, calling the given callback with 2911Queues a query to the client, calling the given callback with
1921the 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>,
1922C<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>.
1923 2914
1924Queries 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
1925reliable at some point in the future. 2916become reliable at some point in the future.
1926 2917
1927=cut 2918=cut
1928 2919
1929sub cf::client::query { 2920sub cf::client::query {
1930 my ($self, $flags, $text, $cb) = @_; 2921 my ($self, $flags, $text, $cb) = @_;
… …
1938 utf8::encode $text; 2929 utf8::encode $text;
1939 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2930 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1940 2931
1941 $self->send_packet ($self->{query_queue}[0][0]) 2932 $self->send_packet ($self->{query_queue}[0][0])
1942 if @{ $self->{query_queue} } == 1; 2933 if @{ $self->{query_queue} } == 1;
2934
2935 1
1943} 2936}
1944 2937
1945cf::client->attach ( 2938cf::client->attach (
2939 on_connect => sub {
2940 my ($ns) = @_;
2941
2942 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2943 },
1946 on_reply => sub { 2944 on_reply => sub {
1947 my ($ns, $msg) = @_; 2945 my ($ns, $msg) = @_;
1948 2946
1949 # this weird shuffling is so that direct followup queries 2947 # this weird shuffling is so that direct followup queries
1950 # get handled first 2948 # get handled first
1951 my $queue = delete $ns->{query_queue} 2949 my $queue = delete $ns->{query_queue}
1952 or return; # be conservative, not sure how that can happen, but we saw a crash here 2950 or return; # be conservative, not sure how that can happen, but we saw a crash here
1953 2951
1954 (shift @$queue)->[1]->($msg); 2952 (shift @$queue)->[1]->($msg);
2953 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1955 2954
1956 push @{ $ns->{query_queue} }, @$queue; 2955 push @{ $ns->{query_queue} }, @$queue;
1957 2956
1958 if (@{ $ns->{query_queue} } == @$queue) { 2957 if (@{ $ns->{query_queue} } == @$queue) {
1959 if (@$queue) { 2958 if (@$queue) {
… …
1961 } else { 2960 } else {
1962 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2961 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1963 } 2962 }
1964 } 2963 }
1965 }, 2964 },
2965 on_exticmd => sub {
2966 my ($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 },
1966); 2991);
1967 2992
1968=item $client->async (\&cb) 2993=item $client->async (\&cb)
1969 2994
1970Create a new coroutine, running the specified callback. The coroutine will 2995Create a new coroutine, running the specified callback. The coroutine will
… …
2011our $safe = new Safe "safe"; 3036our $safe = new Safe "safe";
2012our $safe_hole = new Safe::Hole; 3037our $safe_hole = new Safe::Hole;
2013 3038
2014$SIG{FPE} = 'IGNORE'; 3039$SIG{FPE} = 'IGNORE';
2015 3040
2016$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3041$safe->permit_only (Opcode::opset qw(
3042 :base_core :base_mem :base_orig :base_math
3043 grepstart grepwhile mapstart mapwhile
3044 sort time
3045));
2017 3046
2018# here we export the classes and methods available to script code 3047# here we export the classes and methods available to script code
2019 3048
2020=pod 3049=pod
2021 3050
2022The following fucntions and emthods are available within a safe environment: 3051The following functions and methods are available within a safe environment:
2023 3052
2024 cf::object contr pay_amount pay_player map 3053 cf::object
3054 contr pay_amount pay_player map x y force_find force_add destroy
3055 insert remove name archname title slaying race decrease split
3056
2025 cf::object::player player 3057 cf::object::player
2026 cf::player peaceful 3058 player
2027 cf::map trigger 3059
3060 cf::player
3061 peaceful
3062
3063 cf::map
3064 trigger
2028 3065
2029=cut 3066=cut
2030 3067
2031for ( 3068for (
2032 ["cf::object" => qw(contr pay_amount pay_player map)], 3069 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3070 insert remove inv nrof name archname title slaying race
3071 decrease split destroy change_exp)],
2033 ["cf::object::player" => qw(player)], 3072 ["cf::object::player" => qw(player)],
2034 ["cf::player" => qw(peaceful)], 3073 ["cf::player" => qw(peaceful)],
2035 ["cf::map" => qw(trigger)], 3074 ["cf::map" => qw(trigger)],
2036) { 3075) {
2037 no strict 'refs'; 3076 no strict 'refs';
… …
2108=back 3147=back
2109 3148
2110=cut 3149=cut
2111 3150
2112############################################################################# 3151#############################################################################
3152# the server's init and main functions
2113 3153
2114=head2 EXTENSION DATABASE SUPPORT 3154sub load_facedata($) {
3155 my ($path) = @_;
2115 3156
2116Crossfire maintains a very simple database for extension use. It can 3157 # HACK to clear player env face cache, we need some signal framework
2117currently store anything that can be serialised using Storable, which 3158 # for this (global event?)
2118excludes objects. 3159 %ext::player_env::MUSIC_FACE_CACHE = ();
2119 3160
2120The parameter C<$family> should best start with the name of the extension 3161 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2121using it, it should be unique.
2122 3162
2123=over 4 3163 warn "loading facedata from $path\n";
2124 3164
2125=item $hashref = cf::db_get $family 3165 my $facedata;
3166 0 < aio_load $path, $facedata
3167 or die "$path: $!";
2126 3168
2127Return a hashref for use by the extension C<$family>, which can be 3169 $facedata = Coro::Storable::thaw $facedata;
2128modified. After modifications, you have to call C<cf::db_dirty> or
2129C<cf::db_sync>.
2130 3170
2131=item $value = cf::db_get $family => $key 3171 $facedata->{version} == 2
3172 or cf::cleanup "$path: version mismatch, cannot proceed.";
2132 3173
2133Returns a single value from the database 3174 # patch in the exptable
2134 3175 $facedata->{resource}{"res/exp_table"} = {
2135=item cf::db_put $family => $hashref 3176 type => FT_RSRC,
2136 3177 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2137Stores the given family hashref into the database. Updates are delayed, if
2138you want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140=item cf::db_put $family => $key => $value
2141
2142Stores the given C<$value> in the family hash. Updates are delayed, if you
2143want the data to be synced to disk immediately, use C<cf::db_sync>.
2144
2145=item cf::db_dirty
2146
2147Marks the database as dirty, to be updated at a later time.
2148
2149=item cf::db_sync
2150
2151Immediately write the database to disk I<if it is dirty>.
2152
2153=cut
2154
2155our $DB;
2156
2157{
2158 my $path = cf::localdir . "/database.pst";
2159
2160 sub db_load() {
2161 $DB = stat $path ? Storable::retrieve $path : { };
2162 }
2163
2164 my $pid;
2165
2166 sub db_save() {
2167 waitpid $pid, 0 if $pid;
2168 if (0 == ($pid = fork)) {
2169 $DB->{_meta}{version} = 1;
2170 Storable::nstore $DB, "$path~";
2171 rename "$path~", $path;
2172 cf::_exit 0 if defined $pid;
2173 }
2174 }
2175
2176 my $dirty;
2177
2178 sub db_sync() {
2179 db_save if $dirty;
2180 undef $dirty;
2181 }
2182
2183 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2184 db_sync;
2185 }); 3178 };
3179 cf::cede_to_tick;
2186 3180
2187 sub db_dirty() {
2188 $dirty = 1;
2189 $idle->start;
2190 } 3181 {
3182 my $faces = $facedata->{faceinfo};
2191 3183
2192 sub db_get($;$) { 3184 while (my ($face, $info) = each %$faces) {
2193 @_ >= 2 3185 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2194 ? $DB->{$_[0]}{$_[1]}
2195 : ($DB->{$_[0]} ||= { })
2196 }
2197 3186
2198 sub db_put($$;$) { 3187 cf::face::set_visibility $idx, $info->{visibility};
2199 if (@_ >= 3) { 3188 cf::face::set_magicmap $idx, $info->{magicmap};
2200 $DB->{$_[0]}{$_[1]} = $_[2]; 3189 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2201 } else { 3190 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2202 $DB->{$_[0]} = $_[1];
2203 }
2204 db_dirty;
2205 }
2206 3191
2207 cf::global->attach ( 3192 cf::cede_to_tick;
2208 prio => 10000,
2209 on_cleanup => sub {
2210 db_sync;
2211 }, 3193 }
2212 );
2213}
2214 3194
2215############################################################################# 3195 while (my ($face, $info) = each %$faces) {
2216# the server's main() 3196 next unless $info->{smooth};
2217 3197
2218sub 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 {
2219 open my $fh, "<:utf8", cf::confdir . "/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
2220 or return; 3349 or return;
2221 3350
2222 local $/; 3351 local $/;
2223 *CFG = YAML::Syck::Load <$fh>; 3352 *CFG = YAML::Load <$fh>;
2224 3353
2225 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2226 3355
2227 $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};
2228 $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};
… …
2234 }; 3363 };
2235 warn $@ if $@; 3364 warn $@ if $@;
2236 } 3365 }
2237} 3366}
2238 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
2239sub main { 3387sub main {
3388 atomic;
3389
2240 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
2241 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
2242 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#
2243 (async { 3393 (async {
2244 Event::one_event; 3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
3395 EV::loop EV::LOOP_ONESHOT;
2245 })->prio (Coro::PRIO_MAX); 3396 })->prio (Coro::PRIO_MAX);
2246 }; 3397 };
2247 3398
2248 cfg_load; 3399 {
2249 db_load; 3400 my $guard = freeze_mainloop;
3401 reload_config;
3402 db_init;
2250 load_extensions; 3403 load_extensions;
2251 3404
2252 $TICK_WATCHER->start; 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
2253 Event::loop; 3413 EV::loop;
2254} 3414}
2255 3415
2256############################################################################# 3416#############################################################################
2257# initialisation and cleanup 3417# initialisation and cleanup
2258 3418
2259# install some emergency cleanup handlers 3419# install some emergency cleanup handlers
2260BEGIN { 3420BEGIN {
3421 our %SIGWATCHER = ();
2261 for my $signal (qw(INT HUP TERM)) { 3422 for my $signal (qw(INT HUP TERM)) {
2262 Event->signal ( 3423 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2263 data => WF_AUTOCANCEL,
2264 signal => $signal,
2265 cb => sub {
2266 cf::cleanup "SIG$signal"; 3424 cf::cleanup "SIG$signal";
2267 },
2268 ); 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
2269 } 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($$) {
3502 my ($skip, $sync) = @_;
3503
3504 $sync ? write_uuid_sync $skip
3505 : async { write_uuid_sync $skip };
2270} 3506}
2271 3507
2272sub emergency_save() { 3508sub emergency_save() {
2273 my $freeze_guard = cf::freeze_mainloop; 3509 my $freeze_guard = cf::freeze_mainloop;
2274 3510
… …
2280 # and maps saved/destroyed asynchronously. 3516 # and maps saved/destroyed asynchronously.
2281 warn "begin emergency player save\n"; 3517 warn "begin emergency player save\n";
2282 for my $login (keys %cf::PLAYER) { 3518 for my $login (keys %cf::PLAYER) {
2283 my $pl = $cf::PLAYER{$login} or next; 3519 my $pl = $cf::PLAYER{$login} or next;
2284 $pl->valid or next; 3520 $pl->valid or next;
3521 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2285 $pl->save; 3522 $pl->save;
2286 } 3523 }
2287 warn "end emergency player save\n"; 3524 warn "end emergency player save\n";
2288 3525
2289 warn "begin emergency map save\n"; 3526 warn "begin emergency map save\n";
… …
2291 my $map = $cf::MAP{$path} or next; 3528 my $map = $cf::MAP{$path} or next;
2292 $map->valid or next; 3529 $map->valid or next;
2293 $map->save; 3530 $map->save;
2294 } 3531 }
2295 warn "end emergency map save\n"; 3532 warn "end emergency map save\n";
3533
3534 warn "begin emergency database checkpoint\n";
3535 BDB::db_env_txn_checkpoint $DB_ENV;
3536 warn "end emergency database checkpoint\n";
3537
3538 warn "begin write uuid\n";
3539 write_uuid_sync 1;
3540 warn "end write uuid\n";
2296 }; 3541 };
2297 3542
2298 warn "leave emergency perl save\n"; 3543 warn "leave emergency perl save\n";
2299} 3544}
2300 3545
3546sub post_cleanup {
3547 my ($make_core) = @_;
3548
3549 warn Carp::longmess "post_cleanup backtrace"
3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
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 $RELOAD; # how many times to reload
3583
2301sub reload() { 3584sub do_reload_perl() {
2302 # can/must only be called in main 3585 # can/must only be called in main
2303 if ($Coro::current != $Coro::main) { 3586 if ($Coro::current != $Coro::main) {
2304 warn "can only reload from main coroutine"; 3587 warn "can only reload from main coroutine";
2305 return; 3588 return;
2306 } 3589 }
2307 3590
3591 return if $RELOAD++;
3592
3593 while ($RELOAD) {
2308 warn "reloading..."; 3594 warn "reloading...";
2309 3595
2310 warn "cancelling server ticker"; 3596 warn "entering sync_job";
2311 $TICK_WATCHER->cancel;
2312 3597
3598 cf::sync_job {
3599 cf::write_runtime_sync; # external watchdog should not bark
2313 cf::emergency_save; 3600 cf::emergency_save;
3601 cf::write_runtime_sync; # external watchdog should not bark
2314 3602
2315 eval { 3603 warn "syncing database to disk";
3604 BDB::db_env_txn_checkpoint $DB_ENV;
3605
2316 # 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
2317 3607
2318 warn "syncing database to disk";
2319 cf::db_sync;
2320
2321 warn "cancelling all WF_AUTOCANCEL watchers";
2322 for (Event::all_watchers) {
2323 $_->cancel if $_->data & WF_AUTOCANCEL;
2324 }
2325
2326 warn "flushing outstanding aio requests"; 3608 warn "flushing outstanding aio requests";
2327 for (;;) { 3609 while (IO::AIO::nreqs || BDB::nreqs) {
2328 IO::AIO::flush; 3610 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2329 Coro::cede;
2330 last unless IO::AIO::nreqs;
2331 warn "iterate...";
2332 }
2333
2334 warn "cancelling all extension coros";
2335 $_->cancel for values %EXT_CORO;
2336 %EXT_CORO = ();
2337
2338 warn "removing commands";
2339 %COMMAND = ();
2340
2341 warn "removing ext commands";
2342 %EXTCMD = ();
2343
2344 warn "unloading/nuking all extensions";
2345 for my $pkg (@EXTS) {
2346 warn "... unloading $pkg";
2347
2348 if (my $cb = $pkg->can ("unload")) {
2349 eval {
2350 $cb->($pkg);
2351 1
2352 } or warn "$pkg unloaded, but with errors: $@";
2353 } 3611 }
2354 3612
2355 warn "... nuking $pkg"; 3613 warn "cancelling all extension coros";
2356 Symbol::delete_package $pkg; 3614 $_->cancel for values %EXT_CORO;
2357 } 3615 %EXT_CORO = ();
2358 3616
2359 warn "unloading all perl modules loaded from $LIBDIR"; 3617 warn "removing commands";
2360 while (my ($k, $v) = each %INC) { 3618 %COMMAND = ();
2361 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2362 3619
3620 warn "removing ext/exti commands";
3621 %EXTCMD = ();
3622 %EXTICMD = ();
3623
3624 warn "unloading/nuking all extensions";
3625 for my $pkg (@EXTS) {
2363 warn "... unloading $k"; 3626 warn "... unloading $pkg";
2364 delete $INC{$k};
2365 3627
2366 $k =~ s/\.pm$//;
2367 $k =~ s/\//::/g;
2368
2369 if (my $cb = $k->can ("unload_module")) { 3628 if (my $cb = $pkg->can ("unload")) {
3629 eval {
2370 $cb->(); 3630 $cb->($pkg);
3631 1
3632 } or warn "$pkg unloaded, but with errors: $@";
3633 }
3634
3635 warn "... clearing $pkg";
3636 clear_package $pkg;
2371 } 3637 }
2372 3638
2373 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 $k;
2374 } 3654 }
2375 3655
2376 warn "getting rid of safe::, as good as possible"; 3656 warn "getting rid of safe::, as good as possible";
2377 Symbol::delete_package "safe::$_" 3657 clear_package "safe::$_"
2378 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);
2379 3659
2380 warn "unloading cf.pm \"a bit\""; 3660 warn "unloading cf.pm \"a bit\"";
2381 delete $INC{"cf.pm"}; 3661 delete $INC{"cf.pm"};
3662 delete $INC{"cf/pod.pm"};
2382 3663
2383 # don't, removes xs symbols, too, 3664 # don't, removes xs symbols, too,
2384 # and global variables created in xs 3665 # and global variables created in xs
2385 #Symbol::delete_package __PACKAGE__; 3666 #clear_package __PACKAGE__;
2386 3667
2387 warn "unload completed, starting to reload now"; 3668 warn "unload completed, starting to reload now";
2388 3669
2389 warn "reloading cf.pm"; 3670 warn "reloading cf.pm";
2390 require cf; 3671 require cf;
2391 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3672 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2392 3673
2393 warn "loading config and database again"; 3674 warn "loading config and database again";
2394 cf::cfg_load; 3675 cf::reload_config;
2395 cf::db_load;
2396 3676
2397 warn "loading extensions"; 3677 warn "loading extensions";
2398 cf::load_extensions; 3678 cf::load_extensions;
2399 3679
2400 warn "reattaching attachments to objects/players"; 3680 warn "reattaching attachments to objects/players";
2401 _global_reattach; 3681 _global_reattach; # objects, sockets
2402 warn "reattaching attachments to maps"; 3682 warn "reattaching attachments to maps";
2403 reattach $_ for values %MAP; 3683 reattach $_ for values %MAP;
3684 warn "reattaching attachments to players";
3685 reattach $_ for values %PLAYER;
2404 3686
2405 warn "restarting server ticker"; 3687 warn "leaving sync_job";
2406 3688
2407 $TICK_WATCHER->start; 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 $RELOAD_WATCHER;
2408 }; 3709 };
2409 3710}
2410 if ($@) {
2411 warn $@;
2412 warn "error while reloading, exiting.";
2413 exit 1;
2414 }
2415
2416 warn "reloaded";
2417};
2418
2419our $RELOAD_WATCHER; # used only during reload
2420 3711
2421register_command "reload" => sub { 3712register_command "reload" => sub {
2422 my ($who, $arg) = @_; 3713 my ($who, $arg) = @_;
2423 3714
2424 if ($who->flag (FLAG_WIZ)) { 3715 if ($who->flag (FLAG_WIZ)) {
2425 $who->message ("reloading server."); 3716 $who->message ("reloading server.");
2426 3717 async {
2427 # doing reload synchronously and two reloads happen back-to-back, 3718 $Coro::current->{desc} = "perl_reload";
2428 # coro crashes during coro_state_free->destroy here.
2429
2430 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2431 reload; 3719 reload_perl;
2432 undef $RELOAD_WATCHER;
2433 }); 3720 };
2434 } 3721 }
2435}; 3722};
2436 3723
2437unshift @INC, $LIBDIR; 3724unshift @INC, $LIBDIR;
2438 3725
2439my $bug_warning = 0; 3726my $bug_warning = 0;
2440 3727
2441$TICK_WATCHER = Event->timer ( 3728our @WAIT_FOR_TICK;
2442 reentrant => 0, 3729our @WAIT_FOR_TICK_BEGIN;
2443 parked => 1, 3730
2444 prio => 0, 3731sub wait_for_tick {
2445 at => $NEXT_TICK || $TICK, 3732 return if tick_inhibit || $Coro::current == $Coro::main;
2446 data => WF_AUTOCANCEL, 3733
2447 cb => sub { 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 $signal->wait;
3745}
3746
3747sub tick {
2448 if ($Coro::current != $Coro::main) { 3748 if ($Coro::current != $Coro::main) {
2449 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3749 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2450 unless ++$bug_warning > 10; 3750 unless ++$bug_warning > 10;
2451 return; 3751 return;
2452 } 3752 }
2453 3753
2454 $NOW = Event::time;
2455
2456 cf::server_tick; # one server iteration 3754 cf::server_tick; # one server iteration
2457 $RUNTIME += $TICK;
2458 $NEXT_TICK += $TICK;
2459 3755
2460 $WAIT_FOR_TICK->broadcast; 3756 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2461 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3757 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2462 3758 Coro::async_pool {
2463 # if we are delayed by four ticks or more, skip them all 3759 $Coro::current->{desc} = "runtime saver";
2464 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2465
2466 $TICK_WATCHER->at ($NEXT_TICK);
2467 $TICK_WATCHER->start;
2468 },
2469);
2470
2471IO::AIO::max_poll_time $TICK * 0.2;
2472
2473$AIO_POLL_WATCHER = Event->io (
2474 fd => IO::AIO::poll_fileno,
2475 poll => 'r',
2476 prio => 5,
2477 data => WF_AUTOCANCEL,
2478 cb => \&IO::AIO::poll_cb,
2479);
2480
2481$WRITE_RUNTIME_WATCHER = Event->timer (
2482 data => WF_AUTOCANCEL,
2483 after => 1,
2484 interval => 10,
2485 prio => 6, # keep it lowest so it acts like a watchdog
2486 cb => Coro::unblock_sub {
2487 write_runtime 3760 write_runtime_sync
2488 or warn "ERROR: unable to write runtime file: $!"; 3761 or warn "ERROR: unable to write runtime file: $!";
3762 };
2489 }, 3763 }
2490); 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;
2491 3878
2492END { cf::emergency_save } 3879END { cf::emergency_save }
2493 3880
24941 38811
2495 3882

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