ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.473 by root, Fri Jun 26 16:32:10 2009 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 qw(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
37use Guard ();
13use Coro 3.3 (); 38use Coro ();
39use Coro::State;
40use Coro::Handle;
41use Coro::EV;
14use Coro::Event; 42use Coro::AnyEvent;
15use Coro::Timer; 43use Coro::Timer;
16use Coro::Signal; 44use Coro::Signal;
17use Coro::Semaphore; 45use Coro::Semaphore;
46use Coro::SemaphoreSet;
47use Coro::AnyEvent;
18use Coro::AIO; 48use Coro::AIO;
49use Coro::BDB 1.6;
50use Coro::Storable;
51use Coro::Util ();
19 52
53use JSON::XS 2.01 ();
54use BDB ();
20use Data::Dumper; 55use Data::Dumper;
21use Digest::MD5; 56use Digest::MD5;
22use Fcntl; 57use Fcntl;
58use YAML ();
23use IO::AIO 2.32 (); 59use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 60use Time::HiRes;
61use Compress::LZF;
62use Digest::MD5 ();
26 63
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 64AnyEvent::detect;
65
66# configure various modules to our taste
67#
68$Storable::canonical = 1; # reduce rsync transfers
69Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
70
71$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28 76
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 77sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 78
36our %COMMAND = (); 79our %COMMAND = ();
37our %COMMAND_TIME = (); 80our %COMMAND_TIME = ();
38 81
39our @EXTS = (); # list of extension package names 82our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 83our %EXTCMD = ();
84our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 85our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 86our %EXT_MAP = (); # pluggable maps
43 87
88our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 89our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 90
47our $TICK = MAX_TIME * 1e-6; 91our $CONFDIR = confdir;
48our $TICK_WATCHER; 92our $DATADIR = datadir;
93our $LIBDIR = "$DATADIR/ext";
94our $PODDIR = "$DATADIR/pod";
95our $MAPDIR = "$DATADIR/" . mapdir;
96our $LOCALDIR = localdir;
97our $TMPDIR = "$LOCALDIR/" . tmpdir;
98our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
99our $PLAYERDIR = "$LOCALDIR/" . playerdir;
100our $RANDOMDIR = "$LOCALDIR/random";
101our $BDBDIR = "$LOCALDIR/db";
102our $PIDFILE = "$LOCALDIR/pid";
103our $RUNTIMEFILE = "$LOCALDIR/runtime";
104
105our %RESOURCE;
106
107our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
108our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 109our $NEXT_TICK;
50our $NOW; 110our $USE_FSYNC = 1; # use fsync to write maps - default on
111
112our $BDB_DEADLOCK_WATCHER;
113our $BDB_CHECKPOINT_WATCHER;
114our $BDB_TRICKLE_WATCHER;
115our $DB_ENV;
116
117our @EXTRA_MODULES = qw(pod mapscript);
51 118
52our %CFG; 119our %CFG;
53 120
54our $UPTIME; $UPTIME ||= time; 121our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 122our $RUNTIME;
123our $NOW;
56 124
57our %PLAYER; # all users 125our (%PLAYER, %PLAYER_LOADING); # all users
58our %MAP; # all maps 126our (%MAP, %MAP_LOADING ); # all maps
59our $LINK_MAP; # the special {link} map, which is always available 127our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64 128
65# used to convert map paths into valid unix filenames by replacing / by ∕ 129# used to convert map paths into valid unix filenames by replacing / by ∕
66our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 130our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67 131
132our $LOAD; # a number between 0 (idle) and 1 (too many objects)
133our $LOADAVG; # same thing, but with alpha-smoothing
134our $JITTER; # average jitter
135our $TICK_START; # for load detecting purposes
136
137our @POST_INIT;
138
139our $REATTACH_ON_RELOAD; # ste to true to force object reattach on reload (slow)
140
68binmode STDOUT; 141binmode STDOUT;
69binmode STDERR; 142binmode STDERR;
70 143
71# read virtual server time, if available 144# read virtual server time, if available
72unless ($RUNTIME || !-e cf::localdir . "/runtime") { 145unless ($RUNTIME || !-e $RUNTIMEFILE) {
73 open my $fh, "<", cf::localdir . "/runtime" 146 open my $fh, "<", $RUNTIMEFILE
74 or die "unable to read runtime file: $!"; 147 or die "unable to read $RUNTIMEFILE file: $!";
75 $RUNTIME = <$fh> + 0.; 148 $RUNTIME = <$fh> + 0.;
76} 149}
77 150
78mkdir cf::localdir; 151eval "sub TICK() { $TICK } 1" or die;
79mkdir cf::localdir . "/" . cf::playerdir; 152
80mkdir cf::localdir . "/" . cf::tmpdir; 153mkdir $_
81mkdir cf::localdir . "/" . cf::uniquedir; 154 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir $RANDOM_MAPS;
83 155
84our $EMERGENCY_POSITION; 156our $EMERGENCY_POSITION;
157
158sub cf::map::normalise;
85 159
86############################################################################# 160#############################################################################
87 161
88=head2 GLOBAL VARIABLES 162=head2 GLOBAL VARIABLES
89 163
… …
96=item $cf::RUNTIME 170=item $cf::RUNTIME
97 171
98The time this server has run, starts at 0 and is increased by $cf::TICK on 172The time this server has run, starts at 0 and is increased by $cf::TICK on
99every server tick. 173every server tick.
100 174
101=item $cf::LIBDIR 175=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
176$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
177$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102 178
103The perl library directory, where extensions and cf-specific modules can 179Various directories - "/etc", read-only install directory, perl-library
104be found. It will be added to C<@INC> automatically. 180directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
181unique-items directory, player file directory, random maps directory and
182database environment.
105 183
106=item $cf::NOW 184=item $cf::NOW
107 185
108The time of the last (current) server tick. 186The time of the last (current) server tick.
109 187
110=item $cf::TICK 188=item $cf::TICK
111 189
112The interval between server ticks, in seconds. 190The interval between server ticks, in seconds.
113 191
192=item $cf::LOADAVG
193
194The current CPU load on the server (alpha-smoothed), as a value between 0
195(none) and 1 (overloaded), indicating how much time is spent on processing
196objects per tick. Healthy values are < 0.5.
197
198=item $cf::LOAD
199
200The raw value load value from the last tick.
201
114=item %cf::CFG 202=item %cf::CFG
115 203
116Configuration for the server, loaded from C</etc/crossfire/config>, or 204Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117from wherever your confdir points to. 205from wherever your confdir points to.
118 206
119=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 207=item cf::wait_for_tick, cf::wait_for_tick_begin
120 208
121These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 209These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 210returns directly I<after> the tick processing (and consequently, can only wake one process
123processing has been done. Call C<< ->wait >> on them to maximise the 211per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124window of cpu time available, or simply to synchronise to the server tick. 212
213=item @cf::INVOKE_RESULTS
214
215This array contains the results of the last C<invoke ()> call. When
216C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
217that call.
125 218
126=back 219=back
127 220
128=cut 221=cut
129 222
130BEGIN { 223BEGIN {
131 *CORE::GLOBAL::warn = sub { 224 *CORE::GLOBAL::warn = sub {
132 my $msg = join "", @_; 225 my $msg = join "", @_;
133 utf8::encode $msg;
134 226
135 $msg .= "\n" 227 $msg .= "\n"
136 unless $msg =~ /\n$/; 228 unless $msg =~ /\n$/;
137 229
230 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
231
138 LOG llevError, $msg; 232 LOG llevError, $msg;
139 }; 233 };
140} 234}
235
236$Coro::State::DIEHOOK = sub {
237 return unless $^S eq 0; # "eq", not "=="
238
239 if ($Coro::current == $Coro::main) {#d#
240 warn "DIEHOOK called in main context, Coro bug?\n";#d#
241 return;#d#
242 }#d#
243
244 # kill coroutine otherwise
245 warn Carp::longmess $_[0];
246 Coro::terminate
247};
248
249$SIG{__DIE__} = sub { }; #d#?
141 250
142@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 251@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 252@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 253@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 254@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 255@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
256@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 257@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148 258
149# we bless all objects into (empty) derived classes to force a method lookup 259# we bless all objects into (empty) derived classes to force a method lookup
150# within the Safe compartment. 260# within the Safe compartment.
151for my $pkg (qw( 261for my $pkg (qw(
152 cf::global cf::attachable 262 cf::global cf::attachable
153 cf::object cf::object::player 263 cf::object cf::object::player
154 cf::client cf::player 264 cf::client cf::player
155 cf::arch cf::living 265 cf::arch cf::living
266 cf::map cf::mapspace
156 cf::map cf::party cf::region 267 cf::party cf::region
157)) { 268)) {
158 no strict 'refs';
159 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 269 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160} 270}
161 271
162$Event::DIED = sub { 272$EV::DIED = sub {
163 warn "error in event callback: @_"; 273 warn "error in event callback: @_";
164}; 274};
275
276#############################################################################
165 277
166=head2 UTILITY FUNCTIONS 278=head2 UTILITY FUNCTIONS
167 279
168=over 4 280=over 4
169 281
… …
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 300 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d 301 $d
190 } || "[unable to dump $_[0]: '$@']"; 302 } || "[unable to dump $_[0]: '$@']";
191} 303}
192 304
193use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195=item $ref = cf::from_json $json 305=item $ref = cf::decode_json $json
196 306
197Converts a JSON string into the corresponding perl data structure. 307Converts a JSON string into the corresponding perl data structure.
198 308
199=cut
200
201sub from_json($) {
202 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203 JSON::Syck::Load $_[0]
204}
205
206=item $json = cf::to_json $ref 309=item $json = cf::encode_json $ref
207 310
208Converts a perl data structure into its JSON representation. 311Converts a perl data structure into its JSON representation.
209 312
210=cut 313=cut
211 314
212sub to_json($) { 315our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 316
214 JSON::Syck::Dump $_[0] 317sub encode_json($) { $json_coder->encode ($_[0]) }
318sub decode_json($) { $json_coder->decode ($_[0]) }
319
320=item cf::post_init { BLOCK }
321
322Execute the given codeblock, I<after> all extensions have been (re-)loaded,
323but I<before> the server starts ticking again.
324
325The cdoeblock will have a single boolean argument to indicate whether this
326is a reload or not.
327
328=cut
329
330sub post_init(&) {
331 push @POST_INIT, shift;
215} 332}
216 333
217=item cf::lock_wait $string 334=item cf::lock_wait $string
218 335
219Wait until the given lock is available. See cf::lock_acquire. 336Wait until the given lock is available. See cf::lock_acquire.
220 337
221=item my $lock = cf::lock_acquire $string 338=item my $lock = cf::lock_acquire $string
222 339
223Wait until the given lock is available and then acquires it and returns 340Wait until the given lock is available and then acquires it and returns
224a Coro::guard object. If the guard object gets destroyed (goes out of scope, 341a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225for example when the coroutine gets canceled), the lock is automatically 342for example when the coroutine gets canceled), the lock is automatically
226returned. 343returned.
227 344
345Locks are *not* recursive, locking from the same coro twice results in a
346deadlocked coro.
347
228Lock names should begin with a unique identifier (for example, cf::map::find 348Lock names should begin with a unique identifier (for example, cf::map::find
229uses map_find and cf::map::load uses map_load). 349uses map_find and cf::map::load uses map_load).
230 350
231=cut 351=item $locked = cf::lock_active $string
232 352
233our %LOCK; 353Return true if the lock is currently active, i.e. somebody has locked it.
354
355=cut
356
357our $LOCKS = new Coro::SemaphoreSet;
234 358
235sub lock_wait($) { 359sub lock_wait($) {
236 my ($key) = @_; 360 $LOCKS->wait ($_[0]);
237
238 # wait for lock, if any
239 while ($LOCK{$key}) {
240 push @{ $LOCK{$key} }, $Coro::current;
241 Coro::schedule;
242 }
243} 361}
244 362
245sub lock_acquire($) { 363sub lock_acquire($) {
246 my ($key) = @_; 364 $LOCKS->guard ($_[0])
365}
247 366
248 # wait, to be sure we are not locked 367sub lock_active($) {
249 lock_wait $key; 368 $LOCKS->count ($_[0]) < 1
250
251 $LOCK{$key} = [];
252
253 Coro::guard {
254 # wake up all waiters, to be on the safe side
255 $_->ready for @{ delete $LOCK{$key} };
256 }
257} 369}
258 370
259sub freeze_mainloop { 371sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 372 tick_inhibit_inc;
261 373
262 my $guard = Coro::guard { $TICK_WATCHER->start }; 374 &Guard::guard (\&tick_inhibit_dec);
263 $TICK_WATCHER->stop; 375}
264 $guard 376
377=item cf::periodic $interval, $cb
378
379Like EV::periodic, but randomly selects a starting point so that the actions
380get spread over timer.
381
382=cut
383
384sub periodic($$) {
385 my ($interval, $cb) = @_;
386
387 my $start = rand List::Util::min 180, $interval;
388
389 EV::periodic $start, $interval, 0, $cb
390}
391
392=item cf::get_slot $time[, $priority[, $name]]
393
394Allocate $time seconds of blocking CPU time at priority C<$priority>:
395This call blocks and returns only when you have at least C<$time> seconds
396of cpu time till the next tick. The slot is only valid till the next cede.
397
398The optional C<$name> can be used to identify the job to run. It might be
399used for statistical purposes and should identify the same time-class.
400
401Useful for short background jobs.
402
403=cut
404
405our @SLOT_QUEUE;
406our $SLOT_QUEUE;
407
408$SLOT_QUEUE->cancel if $SLOT_QUEUE;
409$SLOT_QUEUE = Coro::async {
410 $Coro::current->desc ("timeslot manager");
411
412 my $signal = new Coro::Signal;
413
414 while () {
415 next_job:
416 my $avail = cf::till_tick;
417 if ($avail > 0.01) {
418 for (0 .. $#SLOT_QUEUE) {
419 if ($SLOT_QUEUE[$_][0] < $avail) {
420 my $job = splice @SLOT_QUEUE, $_, 1, ();
421 $job->[2]->send;
422 Coro::cede;
423 goto next_job;
424 }
425 }
426 }
427
428 if (@SLOT_QUEUE) {
429 # we do not use wait_for_tick() as it returns immediately when tick is inactive
430 push @cf::WAIT_FOR_TICK, $signal;
431 $signal->wait;
432 } else {
433 Coro::schedule;
434 }
435 }
436};
437
438sub get_slot($;$$) {
439 return if tick_inhibit || $Coro::current == $Coro::main;
440
441 my ($time, $pri, $name) = @_;
442
443 $time = $TICK * .6 if $time > $TICK * .6;
444 my $sig = new Coro::Signal;
445
446 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
447 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
448 $SLOT_QUEUE->ready;
449 $sig->wait;
265} 450}
266 451
267=item cf::async { BLOCK } 452=item cf::async { BLOCK }
268 453
269Currently the same as Coro::async_pool, meaning you cannot use 454Currently the same as Coro::async_pool, meaning you cannot use
… …
274 459
275BEGIN { *async = \&Coro::async_pool } 460BEGIN { *async = \&Coro::async_pool }
276 461
277=item cf::sync_job { BLOCK } 462=item cf::sync_job { BLOCK }
278 463
279The design of crossfire+ requires that the main coro ($Coro::main) is 464The design of Deliantra requires that the main coroutine ($Coro::main)
280always able to handle events or runnable, as crossfire+ is only partly 465is always able to handle events or runnable, as Deliantra is only
281reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 466partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
467acceptable.
282 468
283If it must be done, put the blocking parts into C<sync_job>. This will run 469If it must be done, put the blocking parts into C<sync_job>. This will run
284the given BLOCK in another coroutine while waiting for the result. The 470the given BLOCK in another coroutine while waiting for the result. The
285server will be frozen during this time, so the block should either finish 471server will be frozen during this time, so the block should either finish
286fast or be very important. 472fast or be very important.
… …
289 475
290sub sync_job(&) { 476sub sync_job(&) {
291 my ($job) = @_; 477 my ($job) = @_;
292 478
293 if ($Coro::current == $Coro::main) { 479 if ($Coro::current == $Coro::main) {
480 my $time = EV::time;
481
294 # this is the main coro, too bad, we have to block 482 # this is the main coro, too bad, we have to block
295 # till the operation succeeds, freezing the server :/ 483 # till the operation succeeds, freezing the server :/
296 484
297 # TODO: use suspend/resume instead 485 LOG llevError, Carp::longmess "sync job";#d#
298 # (but this is cancel-safe) 486
299 my $freeze_guard = freeze_mainloop; 487 my $freeze_guard = freeze_mainloop;
300 488
301 my $busy = 1; 489 my $busy = 1;
302 my @res; 490 my @res;
303 491
304 (async { 492 (async {
493 $Coro::current->desc ("sync job coro");
305 @res = eval { $job->() }; 494 @res = eval { $job->() };
306 warn $@ if $@; 495 warn $@ if $@;
307 undef $busy; 496 undef $busy;
308 })->prio (Coro::PRIO_MAX); 497 })->prio (Coro::PRIO_MAX);
309 498
310 while ($busy) { 499 while ($busy) {
311 Coro::cede or Event::one_event; 500 if (Coro::nready) {
501 Coro::cede_notself;
502 } else {
503 EV::loop EV::LOOP_ONESHOT;
312 } 504 }
505 }
506
507 my $time = EV::time - $time;
508
509 $TICK_START += $time; # do not account sync jobs to server load
313 510
314 wantarray ? @res : $res[0] 511 wantarray ? @res : $res[0]
315 } else { 512 } else {
316 # we are in another coroutine, how wonderful, everything just works 513 # we are in another coroutine, how wonderful, everything just works
317 514
… …
337 $EXT_CORO{$coro+0} = $coro; 534 $EXT_CORO{$coro+0} = $coro;
338 535
339 $coro 536 $coro
340} 537}
341 538
342sub write_runtime { 539=item fork_call { }, $args
343 return unless $TICK_WATCHER->is_active;
344 540
345 my $runtime = cf::localdir . "/runtime"; 541Executes the given code block with the given arguments in a seperate
542process, returning the results. Everything must be serialisable with
543Coro::Storable. May, of course, block. Note that the executed sub may
544never block itself or use any form of event handling.
346 545
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 546=cut
348 or return;
349 547
350 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 548sub fork_call(&@) {
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 549 my ($cb, @args) = @_;
352 and return;
353 550
354 aio_fsync $fh 551 # we seemingly have to make a local copy of the whole thing,
355 and return; 552 # otherwise perl prematurely frees the stuff :/
553 # TODO: investigate and fix (likely this will be rather laborious)
356 554
357 close $fh 555 my @res = Coro::Util::fork_eval {
358 or return; 556 reset_signals;
557 &$cb
558 }, @args;
359 559
360 aio_rename "$runtime~", $runtime 560 wantarray ? @res : $res[-1]
361 and return; 561}
362 562
563=item $coin = coin_from_name $name
564
565=cut
566
567our %coin_alias = (
568 "silver" => "silvercoin",
569 "silvercoin" => "silvercoin",
570 "silvercoins" => "silvercoin",
571 "gold" => "goldcoin",
572 "goldcoin" => "goldcoin",
573 "goldcoins" => "goldcoin",
574 "platinum" => "platinacoin",
575 "platinumcoin" => "platinacoin",
576 "platinumcoins" => "platinacoin",
577 "platina" => "platinacoin",
578 "platinacoin" => "platinacoin",
579 "platinacoins" => "platinacoin",
580 "royalty" => "royalty",
581 "royalties" => "royalty",
582);
583
584sub coin_from_name($) {
585 $coin_alias{$_[0]}
586 ? cf::arch::find $coin_alias{$_[0]}
587 : undef
588}
589
590=item $value = cf::db_get $family => $key
591
592Returns a single value from the environment database.
593
594=item cf::db_put $family => $key => $value
595
596Stores the given C<$value> in the family. It can currently store binary
597data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
598
599=item $db = cf::db_table "name"
600
601Create and/or open a new database table. The string must not be "db" and must be unique
602within each server.
603
604=cut
605
606sub db_table($) {
607 my ($name) = @_;
608 my $db = BDB::db_create $DB_ENV;
609
610 eval {
611 $db->set_flags (BDB::CHKSUM);
612
613 utf8::encode $name;
614 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
615 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
616 cf::cleanup "db_open(db): $!" if $!;
617 };
618 cf::cleanup "db_open(db): $@" if $@;
619
620 $db
621}
622
623our $DB;
624
625sub db_init {
626 cf::sync_job {
627 $DB ||= db_table "db";
628 };
629}
630
631sub db_get($$) {
632 my $key = "$_[0]/$_[1]";
633
634 cf::sync_job {
635 BDB::db_get $DB, undef, $key, my $data;
636
637 $! ? ()
638 : $data
363 1 639 }
640}
641
642sub db_put($$$) {
643 BDB::dbreq_pri 4;
644 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
645}
646
647=item cf::cache $id => [$paths...], $processversion => $process
648
649Generic caching function that returns the value of the resource $id,
650caching and regenerating as required.
651
652This function can block.
653
654=cut
655
656sub cache {
657 my ($id, $src, $processversion, $process) = @_;
658
659 my $meta =
660 join "\x00",
661 $processversion,
662 map {
663 aio_stat $_
664 and Carp::croak "$_: $!";
665
666 ($_, (stat _)[7,9])
667 } @$src;
668
669 my $dbmeta = db_get cache => "$id/meta";
670 if ($dbmeta ne $meta) {
671 # changed, we may need to process
672
673 my @data;
674 my $md5;
675
676 for (0 .. $#$src) {
677 0 <= aio_load $src->[$_], $data[$_]
678 or Carp::croak "$src->[$_]: $!";
679 }
680
681 # if processing is expensive, check
682 # checksum first
683 if (1) {
684 $md5 =
685 join "\x00",
686 $processversion,
687 map {
688 cf::cede_to_tick;
689 ($src->[$_], Digest::MD5::md5_hex $data[$_])
690 } 0.. $#$src;
691
692
693 my $dbmd5 = db_get cache => "$id/md5";
694 if ($dbmd5 eq $md5) {
695 db_put cache => "$id/meta", $meta;
696
697 return db_get cache => "$id/data";
698 }
699 }
700
701 my $t1 = Time::HiRes::time;
702 my $data = $process->(\@data);
703 my $t2 = Time::HiRes::time;
704
705 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
706
707 db_put cache => "$id/data", $data;
708 db_put cache => "$id/md5" , $md5;
709 db_put cache => "$id/meta", $meta;
710
711 return $data;
712 }
713
714 db_get cache => "$id/data"
715}
716
717=item cf::datalog type => key => value, ...
718
719Log a datalog packet of the given type with the given key-value pairs.
720
721=cut
722
723sub datalog($@) {
724 my ($type, %kv) = @_;
725 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364} 726}
365 727
366=back 728=back
367 729
368=cut 730=cut
369 731
370############################################################################# 732#############################################################################
371 733
372=head2 ATTACHABLE OBJECTS 734=head2 ATTACHABLE OBJECTS
373 735
374Many objects in crossfire are so-called attachable objects. That means you can 736Many objects in deliantra are so-called attachable objects. That means you can
375attach callbacks/event handlers (a collection of which is called an "attachment") 737attach callbacks/event handlers (a collection of which is called an "attachment")
376to it. All such attachable objects support the following methods. 738to it. All such attachable objects support the following methods.
377 739
378In the following description, CLASS can be any of C<global>, C<object> 740In the following description, CLASS can be any of C<global>, C<object>
379C<player>, C<client> or C<map> (i.e. the attachable objects in 741C<player>, C<client> or C<map> (i.e. the attachable objects in
380crossfire+). 742Deliantra).
381 743
382=over 4 744=over 4
383 745
384=item $attachable->attach ($attachment, key => $value...) 746=item $attachable->attach ($attachment, key => $value...)
385 747
… …
429=item cf::CLASS::attachment $name, ... 791=item cf::CLASS::attachment $name, ...
430 792
431Register an attachment by C<$name> through which attachable objects of the 793Register an attachment by C<$name> through which attachable objects of the
432given CLASS can refer to this attachment. 794given CLASS can refer to this attachment.
433 795
434Some classes such as crossfire maps and objects can specify attachments 796Some classes such as deliantra maps and objects can specify attachments
435that are attached at load/instantiate time, thus the need for a name. 797that are attached at load/instantiate time, thus the need for a name.
436 798
437These calls expect any number of the following handler/hook descriptions: 799These calls expect any number of the following handler/hook descriptions:
438 800
439=over 4 801=over 4
… …
499our @CB_TYPE = (); # registry for type (cf-object class) based events 861our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 862our @CB_MAP = ();
501 863
502my %attachment; 864my %attachment;
503 865
866sub cf::attachable::thawer_merge {
867 # simply override everything except _meta
868 local $_[0]{_meta};
869 %{$_[0]} = %{$_[1]};
870}
871
504sub _attach_cb($$$$) { 872sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 873 my ($registry, $event, $prio, $cb) = @_;
506 874
507 use sort 'stable'; 875 use sort 'stable';
508 876
… …
542 $registry = $CB_TYPE[$object_type] ||= []; 910 $registry = $CB_TYPE[$object_type] ||= [];
543 911
544 } elsif ($type eq "subtype") { 912 } elsif ($type eq "subtype") {
545 defined $object_type or Carp::croak "subtype specified without type"; 913 defined $object_type or Carp::croak "subtype specified without type";
546 my $object_subtype = shift @arg; 914 my $object_subtype = shift @arg;
547 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 915 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548 916
549 } elsif ($type eq "package") { 917 } elsif ($type eq "package") {
550 my $pkg = shift @arg; 918 my $pkg = shift @arg;
551 919
552 while (my ($name, $id) = each %cb_id) { 920 while (my ($name, $id) = each %cb_id) {
… …
581 _attach $registry, $klass, @attach; 949 _attach $registry, $klass, @attach;
582 } 950 }
583 951
584 $obj->{$name} = \%arg; 952 $obj->{$name} = \%arg;
585 } else { 953 } else {
586 warn "object uses attachment '$name' that is not available, postponing.\n"; 954 warn "object uses attachment '$name' which is not available, postponing.\n";
587 } 955 }
588 956
589 $obj->{_attachment}{$name} = undef; 957 $obj->{_attachment}{$name} = undef;
590} 958}
591 959
… …
593 if (ref $_[0]) { 961 if (ref $_[0]) {
594 _object_attach @_; 962 _object_attach @_;
595 } else { 963 } else {
596 _attach shift->_attach_registry, @_; 964 _attach shift->_attach_registry, @_;
597 } 965 }
966 _recalc_want;
598}; 967};
599 968
600# all those should be optimised 969# all those should be optimised
601sub cf::attachable::detach { 970sub cf::attachable::detach {
602 my ($obj, $name) = @_; 971 my ($obj, $name) = @_;
… …
605 delete $obj->{_attachment}{$name}; 974 delete $obj->{_attachment}{$name};
606 reattach ($obj); 975 reattach ($obj);
607 } else { 976 } else {
608 Carp::croak "cannot, currently, detach class attachments"; 977 Carp::croak "cannot, currently, detach class attachments";
609 } 978 }
979 _recalc_want;
610}; 980};
611 981
612sub cf::attachable::attached { 982sub cf::attachable::attached {
613 my ($obj, $name) = @_; 983 my ($obj, $name) = @_;
614 984
… …
629 "; 999 ";
630 die if $@; 1000 die if $@;
631} 1001}
632 1002
633our $override; 1003our $override;
634our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1004our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635 1005
636sub override { 1006sub override {
637 $override = 1; 1007 $override = 1;
638 @invoke_results = (); 1008 @INVOKE_RESULTS = (@_);
639} 1009}
640 1010
641sub do_invoke { 1011sub do_invoke {
642 my $event = shift; 1012 my $event = shift;
643 my $callbacks = shift; 1013 my $callbacks = shift;
644 1014
645 @invoke_results = (); 1015 @INVOKE_RESULTS = ();
646 1016
647 local $override; 1017 local $override;
648 1018
649 for (@$callbacks) { 1019 for (@$callbacks) {
650 eval { &{$_->[1]} }; 1020 eval { &{$_->[1]} };
… …
659 } 1029 }
660 1030
661 0 1031 0
662} 1032}
663 1033
664=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1034=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665 1035
666=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667 1037
668Generate an object-specific event with the given arguments. 1038Generate an object-specific event with the given arguments.
669 1039
670This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1040This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671removed in future versions), and there is no public API to access override 1041removed in future versions), and there is no public API to access override
672results (if you must, access C<@cf::invoke_results> directly). 1042results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673 1043
674=back 1044=back
675 1045
676=cut 1046=cut
677 1047
678############################################################################# 1048#############################################################################
679# object support 1049# object support
1050
1051sub _object_equal($$);
1052sub _object_equal($$) {
1053 my ($a, $b) = @_;
1054
1055 return 0 unless (ref $a) eq (ref $b);
1056
1057 if ("HASH" eq ref $a) {
1058 my @ka = keys %$a;
1059 my @kb = keys %$b;
1060
1061 return 0 if @ka != @kb;
1062
1063 for (0 .. $#ka) {
1064 return 0 unless $ka[$_] eq $kb[$_];
1065 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1066 }
1067
1068 } elsif ("ARRAY" eq ref $a) {
1069
1070 return 0 if @$a != @$b;
1071
1072 for (0 .. $#$a) {
1073 return 0 unless _object_equal $a->[$_], $b->[$_];
1074 }
1075
1076 } elsif ($a ne $b) {
1077 return 0;
1078 }
1079
1080 1
1081}
1082
1083our $SLOW_MERGES;#d#
1084sub _can_merge {
1085 my ($ob1, $ob2) = @_;
1086
1087 ++$SLOW_MERGES;#d#
1088
1089 # we do the slow way here
1090 return _object_equal $ob1, $ob2
1091}
680 1092
681sub reattach { 1093sub reattach {
682 # basically do the same as instantiate, without calling instantiate 1094 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 1095 my ($obj) = @_;
1096
1097 # no longer needed after getting rid of delete_package?
1098 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 1099
685 my $registry = $obj->registry; 1100 my $registry = $obj->registry;
686 1101
687 @$registry = (); 1102 @$registry = ();
688 1103
… …
703cf::attachable->attach ( 1118cf::attachable->attach (
704 prio => -1000000, 1119 prio => -1000000,
705 on_instantiate => sub { 1120 on_instantiate => sub {
706 my ($obj, $data) = @_; 1121 my ($obj, $data) = @_;
707 1122
708 $data = from_json $data; 1123 $data = decode_json $data;
709 1124
710 for (@$data) { 1125 for (@$data) {
711 my ($name, $args) = @$_; 1126 my ($name, $args) = @$_;
712 1127
713 $obj->attach ($name, %{$args || {} }); 1128 $obj->attach ($name, %{$args || {} });
… …
729sub object_freezer_save { 1144sub object_freezer_save {
730 my ($filename, $rdata, $objs) = @_; 1145 my ($filename, $rdata, $objs) = @_;
731 1146
732 sync_job { 1147 sync_job {
733 if (length $$rdata) { 1148 if (length $$rdata) {
1149 utf8::decode (my $decname = $filename);
734 warn sprintf "saving %s (%d,%d)\n", 1150 warn sprintf "saving %s (%d,%d)\n",
735 $filename, length $$rdata, scalar @$objs; 1151 $decname, length $$rdata, scalar @$objs;
736 1152
737 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
739 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1155 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1156 if ($cf::USE_FSYNC) {
1157 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
740 aio_fsync $fh; 1158 aio_fsync $fh;
1159 }
741 close $fh; 1160 aio_close $fh;
742 1161
743 if (@$objs) { 1162 if (@$objs) {
744 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1163 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745 chmod SAVE_MODE, $fh; 1164 aio_chmod $fh, SAVE_MODE;
746 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1165 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747 aio_write $fh, 0, (length $data), $data, 0; 1166 aio_write $fh, 0, (length $data), $data, 0;
1167 if ($cf::USE_FSYNC) {
1168 aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
748 aio_fsync $fh; 1169 aio_fsync $fh;
1170 }
749 close $fh; 1171 aio_close $fh;
750 aio_rename "$filename.pst~", "$filename.pst"; 1172 aio_rename "$filename.pst~", "$filename.pst";
751 } 1173 }
752 } else { 1174 } else {
753 aio_unlink "$filename.pst"; 1175 aio_unlink "$filename.pst";
754 } 1176 }
755 1177
756 aio_rename "$filename~", $filename; 1178 aio_rename "$filename~", $filename;
1179
1180 $filename =~ s%/[^/]+$%%;
1181 aio_pathsync $filename if $cf::USE_FSYNC;
757 } else { 1182 } else {
758 warn "FATAL: $filename~: $!\n"; 1183 warn "unable to save objects: $filename~: $!\n";
759 } 1184 }
760 } else { 1185 } else {
761 aio_unlink $filename; 1186 aio_unlink $filename;
762 aio_unlink "$filename.pst"; 1187 aio_unlink "$filename.pst";
763 } 1188 }
764 } 1189 };
765} 1190}
766 1191
767sub object_freezer_as_string { 1192sub object_freezer_as_string {
768 my ($rdata, $objs) = @_; 1193 my ($rdata, $objs) = @_;
769 1194
… …
781 or return; 1206 or return;
782 1207
783 unless (aio_stat "$filename.pst") { 1208 unless (aio_stat "$filename.pst") {
784 (aio_load "$filename.pst", $av) >= 0 1209 (aio_load "$filename.pst", $av) >= 0
785 or return; 1210 or return;
1211
786 $av = eval { (Storable::thaw $av)->{objs} }; 1212 my $st = eval { Coro::Storable::thaw $av };
1213 $av = $st->{objs};
787 } 1214 }
788 1215
1216 utf8::decode (my $decname = $filename);
789 warn sprintf "loading %s (%d)\n", 1217 warn sprintf "loading %s (%d,%d)\n",
790 $filename, length $data, scalar @{$av || []};#d# 1218 $decname, length $data, scalar @{$av || []};
1219
791 return ($data, $av); 1220 ($data, $av)
792} 1221}
1222
1223=head2 COMMAND CALLBACKS
1224
1225=over 4
1226
1227=cut
793 1228
794############################################################################# 1229#############################################################################
795# command handling &c 1230# command handling &c
796 1231
797=item cf::register_command $name => \&callback($ob,$args); 1232=item cf::register_command $name => \&callback($ob,$args);
… …
810 push @{ $COMMAND{$name} }, [$caller, $cb]; 1245 push @{ $COMMAND{$name} }, [$caller, $cb];
811} 1246}
812 1247
813=item cf::register_extcmd $name => \&callback($pl,$packet); 1248=item cf::register_extcmd $name => \&callback($pl,$packet);
814 1249
815Register a callbackf ro execution when the client sends an extcmd packet. 1250Register a callback for execution when the client sends an (synchronous)
1251extcmd packet. Ext commands will be processed in the order they are
1252received by the server, like other user commands. The first argument is
1253the logged-in player. Ext commands can only be processed after a player
1254has logged in successfully.
816 1255
817If the callback returns something, it is sent back as if reply was being 1256If the callback returns something, it is sent back as if reply was being
818called. 1257called.
819 1258
1259=item cf::register_exticmd $name => \&callback($ns,$packet);
1260
1261Register a callback for execution when the client sends an (asynchronous)
1262exticmd packet. Exti commands are processed by the server as soon as they
1263are received, i.e. out of order w.r.t. other commands. The first argument
1264is a client socket. Exti commands can be received anytime, even before
1265log-in.
1266
1267If the callback returns something, it is sent back as if reply was being
1268called.
1269
820=cut 1270=cut
821 1271
822sub register_extcmd { 1272sub register_extcmd {
823 my ($name, $cb) = @_; 1273 my ($name, $cb) = @_;
824 1274
825 $EXTCMD{$name} = $cb; 1275 $EXTCMD{$name} = $cb;
826} 1276}
1277
1278sub register_exticmd {
1279 my ($name, $cb) = @_;
1280
1281 $EXTICMD{$name} = $cb;
1282}
1283
1284use File::Glob ();
827 1285
828cf::player->attach ( 1286cf::player->attach (
829 on_command => sub { 1287 on_command => sub {
830 my ($pl, $name, $params) = @_; 1288 my ($pl, $name, $params) = @_;
831 1289
… …
839 cf::override; 1297 cf::override;
840 }, 1298 },
841 on_extcmd => sub { 1299 on_extcmd => sub {
842 my ($pl, $buf) = @_; 1300 my ($pl, $buf) = @_;
843 1301
844 my $msg = eval { from_json $buf }; 1302 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845 1303
846 if (ref $msg) { 1304 if (ref $msg) {
1305 my ($type, $reply, @payload) =
1306 "ARRAY" eq ref $msg
1307 ? @$msg
1308 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1309
1310 my @reply;
1311
847 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1312 if (my $cb = $EXTCMD{$type}) {
848 if (my %reply = $cb->($pl, $msg)) { 1313 @reply = $cb->($pl, @payload);
849 $pl->ext_reply ($msg->{msgid}, %reply);
850 }
851 } 1314 }
1315
1316 $pl->ext_reply ($reply, @reply)
1317 if $reply;
1318
852 } else { 1319 } else {
853 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1320 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854 } 1321 }
855 1322
856 cf::override; 1323 cf::override;
857 }, 1324 },
858); 1325);
859 1326
1327# "readahead" all extensions
860sub load_extension { 1328sub cache_extensions {
861 my ($path) = @_; 1329 my $grp = IO::AIO::aio_group;
862 1330
863 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1331 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864 my $base = $1; 1332 for (grep /\.ext$/, @{$_[0]}) {
865 my $pkg = $1; 1333 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866 $pkg =~ s/[^[:word:]]/_/g;
867 $pkg = "ext::$pkg";
868
869 warn "... loading '$path' into '$pkg'\n";
870
871 open my $fh, "<:utf8", $path
872 or die "$path: $!";
873
874 my $source =
875 "package $pkg; use strict; use utf8;\n"
876 . "#line 1 \"$path\"\n{\n"
877 . (do { local $/; <$fh> })
878 . "\n};\n1";
879
880 unless (eval $source) {
881 my $msg = $@ ? "$path: $@\n"
882 : "extension disabled.\n";
883 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884 warn $@;
885 warn "mandatory extension failed to load, exiting.\n";
886 exit 1;
887 } 1334 }
888 die $@;
889 } 1335 };
890 1336
891 push @EXTS, $pkg; 1337 $grp
892} 1338}
893 1339
894sub load_extensions { 1340sub load_extensions {
1341 cf::sync_job {
1342 my %todo;
1343
895 for my $ext (<$LIBDIR/*.ext>) { 1344 for my $path (<$LIBDIR/*.ext>) {
896 next unless -r $ext; 1345 next unless -r $path;
897 eval { 1346
898 load_extension $ext; 1347 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1348 my $base = $1;
1349 my $pkg = $1;
1350 $pkg =~ s/[^[:word:]]/_/g;
1351 $pkg = "ext::$pkg";
1352
1353 open my $fh, "<:utf8", $path
1354 or die "$path: $!";
1355
1356 my $source = do { local $/; <$fh> };
1357
1358 my %ext = (
1359 path => $path,
1360 base => $base,
1361 pkg => $pkg,
1362 );
1363
1364 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1365 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1366
1367 $ext{source} =
1368 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1369 . "#line 1 \"$path\"\n{\n"
1370 . $source
1371 . "\n};\n1";
1372
1373 $todo{$base} = \%ext;
1374 }
1375
1376 my %done;
1377 while (%todo) {
1378 my $progress;
1379
1380 while (my ($k, $v) = each %todo) {
1381 for (split /,\s*/, $v->{meta}{depends}) {
1382 goto skip
1383 unless exists $done{$_};
1384 }
1385
1386 warn "... loading '$k' into '$v->{pkg}'\n";
1387
1388 unless (eval $v->{source}) {
1389 my $msg = $@ ? "$v->{path}: $@\n"
1390 : "$v->{base}: extension inactive.\n";
1391
1392 if (exists $v->{meta}{mandatory}) {
1393 warn $msg;
1394 cf::cleanup "mandatory extension failed to load, exiting.";
1395 }
1396
1397 warn $msg;
1398 }
1399
1400 $done{$k} = delete $todo{$k};
1401 push @EXTS, $v->{pkg};
1402 $progress = 1;
899 1 1403 }
900 } or warn "$ext not loaded: $@"; 1404
1405 skip:
1406 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1407 unless $progress;
1408 }
901 } 1409 };
902} 1410}
903 1411
904############################################################################# 1412#############################################################################
905# load/save/clean perl data associated with a map
906 1413
907*cf::mapsupport::on_clean = sub { 1414=back
908 my ($map) = @_;
909
910 my $path = $map->tmpname;
911 defined $path or return;
912
913 unlink "$path.pst";
914};
915
916cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918#############################################################################
919 1415
920=head2 CORE EXTENSIONS 1416=head2 CORE EXTENSIONS
921 1417
922Functions and methods that extend core crossfire objects. 1418Functions and methods that extend core deliantra objects.
923 1419
924=cut 1420=cut
925 1421
926package cf::player; 1422package cf::player;
927 1423
… …
929 1425
930=head3 cf::player 1426=head3 cf::player
931 1427
932=over 4 1428=over 4
933 1429
1430=item cf::player::num_playing
1431
1432Returns the official number of playing players, as per the Crossfire metaserver rules.
1433
1434=cut
1435
1436sub num_playing {
1437 scalar grep
1438 $_->ob->map
1439 && !$_->hidden
1440 && !$_->ob->flag (cf::FLAG_WIZ),
1441 cf::player::list
1442}
1443
934=item cf::player::find $login 1444=item cf::player::find $login
935 1445
936Returns the given player object, loading it if necessary (might block). 1446Returns the given player object, loading it if necessary (might block).
937 1447
938=cut 1448=cut
939 1449
940sub playerdir($) { 1450sub playerdir($) {
941 cf::localdir 1451 "$PLAYERDIR/"
942 . "/"
943 . cf::playerdir
944 . "/"
945 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1452 . (ref $_[0] ? $_[0]->ob->name : $_[0])
946} 1453}
947 1454
948sub path($) { 1455sub path($) {
949 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1456 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950 1457
951 (playerdir $login) . "/$login.pl" 1458 (playerdir $login) . "/playerdata"
952} 1459}
953 1460
954sub find_active($) { 1461sub find_active($) {
955 $cf::PLAYER{$_[0]} 1462 $cf::PLAYER{$_[0]}
956 and $cf::PLAYER{$_[0]}->active 1463 and $cf::PLAYER{$_[0]}->active
… …
959 1466
960sub exists($) { 1467sub exists($) {
961 my ($login) = @_; 1468 my ($login) = @_;
962 1469
963 $cf::PLAYER{$login} 1470 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login } 1471 or !aio_stat path $login
965} 1472}
966 1473
967sub find($) { 1474sub find($) {
968 return $cf::PLAYER{$_[0]} || do { 1475 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0]; 1476 my $login = $_[0];
970 1477
971 my $guard = cf::lock_acquire "user_find:$login"; 1478 my $guard = cf::lock_acquire "user_find:$login";
972 1479
973 $cf::PLAYER{$_[0]} || do { 1480 $cf::PLAYER{$_[0]} || do {
974 my $pl = load_pl path $login 1481 # rename old playerfiles to new ones
1482 #TODO: remove when no longer required
1483 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1484 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1485 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1486 aio_unlink +(playerdir $login) . "/$login.pl";
1487
1488 my $f = new_from_file cf::object::thawer path $login
975 or return; 1489 or return;
1490
1491 my $pl = cf::player::load_pl $f
1492 or return;
1493
1494 local $cf::PLAYER_LOADING{$login} = $pl;
1495 $f->resolve_delayed_derefs;
976 $cf::PLAYER{$login} = $pl 1496 $cf::PLAYER{$login} = $pl
977 } 1497 }
978 } 1498 }
979} 1499}
980 1500
… …
989 return if $pl->{deny_save}; 1509 return if $pl->{deny_save};
990 1510
991 aio_mkdir playerdir $pl, 0770; 1511 aio_mkdir playerdir $pl, 0770;
992 $pl->{last_save} = $cf::RUNTIME; 1512 $pl->{last_save} = $cf::RUNTIME;
993 1513
1514 cf::get_slot 0.01;
1515
994 $pl->save_pl ($path); 1516 $pl->save_pl ($path);
995 Coro::cede; 1517 cf::cede_to_tick;
996} 1518}
997 1519
998sub new($) { 1520sub new($) {
999 my ($login) = @_; 1521 my ($login) = @_;
1000 1522
… …
1006 $cf::PLAYER{$login} = $self; 1528 $cf::PLAYER{$login} = $self;
1007 1529
1008 $self 1530 $self
1009} 1531}
1010 1532
1533=item $player->send_msg ($channel, $msg, $color, [extra...])
1534
1535=cut
1536
1537sub send_msg {
1538 my $ns = shift->ns
1539 or return;
1540 $ns->send_msg (@_);
1541}
1542
1011=item $pl->quit_character 1543=item $pl->quit_character
1012 1544
1013Nukes the player without looking back. If logged in, the connection will 1545Nukes the player without looking back. If logged in, the connection will
1014be destroyed. May block for a long time. 1546be destroyed. May block for a long time.
1015 1547
1016=cut 1548=cut
1017 1549
1018sub quit_character { 1550sub quit_character {
1019 my ($pl) = @_; 1551 my ($pl) = @_;
1020 1552
1553 my $name = $pl->ob->name;
1554
1021 $pl->{deny_save} = 1; 1555 $pl->{deny_save} = 1;
1022 $pl->password ("*"); # this should lock out the player until we nuked the dir 1556 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1023 1557
1024 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1558 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025 $pl->deactivate; 1559 $pl->deactivate;
1560 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1561 $pl->ob->check_score;
1026 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1562 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1027 $pl->ns->destroy if $pl->ns; 1563 $pl->ns->destroy if $pl->ns;
1028 1564
1029 my $path = playerdir $pl; 1565 my $path = playerdir $pl;
1030 my $temp = "$path~$cf::RUNTIME~deleting~"; 1566 my $temp = "$path~$cf::RUNTIME~deleting~";
1031 aio_rename $path, $temp; 1567 aio_rename $path, $temp;
1032 delete $cf::PLAYER{$pl->ob->name}; 1568 delete $cf::PLAYER{$pl->ob->name};
1033 $pl->destroy; 1569 $pl->destroy;
1570
1571 my $prefix = qr<^~\Q$name\E/>;
1572
1573 # nuke player maps
1574 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1575
1034 IO::AIO::aio_rmtree $temp; 1576 IO::AIO::aio_rmtree $temp;
1577}
1578
1579=item $pl->kick
1580
1581Kicks a player out of the game. This destroys the connection.
1582
1583=cut
1584
1585sub kick {
1586 my ($pl, $kicker) = @_;
1587
1588 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1589 $pl->killer ("kicked");
1590 $pl->ns->destroy;
1035} 1591}
1036 1592
1037=item cf::player::list_logins 1593=item cf::player::list_logins
1038 1594
1039Returns am arrayref of all valid playernames in the system, can take a 1595Returns am arrayref of all valid playernames in the system, can take a
1040while and may block, so not sync_job-capable, ever. 1596while and may block, so not sync_job-capable, ever.
1041 1597
1042=cut 1598=cut
1043 1599
1044sub list_logins { 1600sub list_logins {
1045 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1601 my $dirs = aio_readdir $PLAYERDIR
1046 or return []; 1602 or return [];
1047 1603
1048 my @logins; 1604 my @logins;
1049 1605
1050 for my $login (@$dirs) { 1606 for my $login (@$dirs) {
1607 my $path = path $login;
1608
1609 # a .pst is a dead give-away for a valid player
1610 # if no pst file found, open and chekc for blocked users
1611 if (aio_stat "$path.pst") {
1051 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1612 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052 aio_read $fh, 0, 512, my $buf, 0 or next; 1613 aio_read $fh, 0, 512, my $buf, 0 or next;
1053 $buf !~ /^password -------------$/m or next; # official not-valid tag 1614 $buf !~ /^password -------------$/m or next; # official not-valid tag
1615 }
1054 1616
1055 utf8::decode $login; 1617 utf8::decode $login;
1056 push @logins, $login; 1618 push @logins, $login;
1057 } 1619 }
1058 1620
… …
1066 1628
1067=cut 1629=cut
1068 1630
1069sub maps($) { 1631sub maps($) {
1070 my ($pl) = @_; 1632 my ($pl) = @_;
1633
1634 $pl = ref $pl ? $pl->ob->name : $pl;
1071 1635
1072 my $files = aio_readdir playerdir $pl 1636 my $files = aio_readdir playerdir $pl
1073 or return; 1637 or return;
1074 1638
1075 my @paths; 1639 my @paths;
… …
1077 for (@$files) { 1641 for (@$files) {
1078 utf8::decode $_; 1642 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/; 1643 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o; 1644 next unless /^$PATH_SEP/o;
1081 1645
1082 push @paths, "~" . $pl->ob->name . "/" . $_; 1646 push @paths, cf::map::normalise "~$pl/$_";
1083 } 1647 }
1084 1648
1085 \@paths 1649 \@paths
1086} 1650}
1087 1651
1652=item $protocol_xml = $player->expand_cfpod ($cfpod)
1653
1654Expand deliantra pod fragments into protocol xml.
1655
1088=item $player->ext_reply ($msgid, $msgtype, %msg) 1656=item $player->ext_reply ($msgid, @msg)
1089 1657
1090Sends an ext reply to the player. 1658Sends an ext reply to the player.
1091 1659
1092=cut 1660=cut
1093 1661
1094sub ext_reply($$$%) { 1662sub ext_reply($$@) {
1095 my ($self, $id, %msg) = @_; 1663 my ($self, $id, @msg) = @_;
1096 1664
1097 $msg{msgid} = $id; 1665 $self->ns->ext_reply ($id, @msg)
1098
1099 $self->send ("ext " . cf::to_json \%msg);
1100} 1666}
1101 1667
1102package cf; 1668=item $player->ext_msg ($type, @msg)
1669
1670Sends an ext event to the client.
1671
1672=cut
1673
1674sub ext_msg($$@) {
1675 my ($self, $type, @msg) = @_;
1676
1677 $self->ns->ext_msg ($type, @msg);
1678}
1679
1680=head3 cf::region
1681
1682=over 4
1683
1684=cut
1685
1686package cf::region;
1687
1688=item cf::region::find_by_path $path
1689
1690Tries to decuce the likely region for a map knowing only its path.
1691
1692=cut
1693
1694sub find_by_path($) {
1695 my ($path) = @_;
1696
1697 my ($match, $specificity);
1698
1699 for my $region (list) {
1700 if ($region->{match} && $path =~ $region->{match}) {
1701 ($match, $specificity) = ($region, $region->specificity)
1702 if $region->specificity > $specificity;
1703 }
1704 }
1705
1706 $match
1707}
1103 1708
1104=back 1709=back
1105
1106 1710
1107=head3 cf::map 1711=head3 cf::map
1108 1712
1109=over 4 1713=over 4
1110 1714
… …
1114 1718
1115use Fcntl; 1719use Fcntl;
1116use Coro::AIO; 1720use Coro::AIO;
1117 1721
1118use overload 1722use overload
1119 '""' => \&as_string; 1723 '""' => \&as_string,
1724 fallback => 1;
1120 1725
1121our $MAX_RESET = 3600; 1726our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1727our $DEFAULT_RESET = 3000;
1123 1728
1124sub generate_random_map { 1729sub generate_random_map {
1125 my ($self, $rmp) = @_; 1730 my ($self, $rmp) = @_;
1731
1732 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126 1733
1127 # mit "rum" bekleckern, nicht 1734 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1735 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1736 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1737 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1745 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1746 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1747 )
1141} 1748}
1142 1749
1750=item cf::map->register ($regex, $prio)
1751
1752Register a handler for the map path matching the given regex at the
1753givne priority (higher is better, built-in handlers have priority 0, the
1754default).
1755
1756=cut
1757
1143sub register { 1758sub register {
1144 my (undef, $regex) = @_; 1759 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1760 my $pkg = caller;
1146 1761
1147 no strict; 1762 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1763 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1764
1150 $EXT_MAP{$pkg} = qr<$regex>; 1765 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1766}
1152 1767
1153# also paths starting with '/' 1768# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1769$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1770
1771sub thawer_merge {
1772 my ($self, $merge) = @_;
1773
1774 # we have to keep some variables in memory intact
1775 local $self->{path};
1776 local $self->{load_path};
1777
1778 $self->SUPER::thawer_merge ($merge);
1779}
1155 1780
1156sub normalise { 1781sub normalise {
1157 my ($path, $base) = @_; 1782 my ($path, $base) = @_;
1783
1784 $path = "$path"; # make sure its a string
1785
1786 $path =~ s/\.map$//;
1158 1787
1159 # map plan: 1788 # map plan:
1160 # 1789 #
1161 # /! non-realised random map exit (special hack!) 1790 # /! non-realised random map exit (special hack!)
1162 # {... are special paths that are not being touched 1791 # {... are special paths that are not being touched
… …
1190 1819
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1820 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192 1821
1193 $path = normalise $path, $base; 1822 $path = normalise $path, $base;
1194 1823
1195 for my $pkg (keys %EXT_MAP) { 1824 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) { 1825 if ($path =~ $EXT_MAP{$pkg}[1]) {
1197 my $self = bless cf::map::new, $pkg; 1826 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path); 1827 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc. 1828 $self->init; # pass $1 etc.
1200 return $self; 1829 return $self;
1201 } 1830 }
1202 } 1831 }
1203 1832
1204 Carp::carp "unable to resolve path '$path'."; 1833 Carp::cluck "unable to resolve path '$path' (base '$base').";
1205 () 1834 ()
1206} 1835}
1207 1836
1208sub init { 1837sub init {
1209 my ($self) = @_; 1838 my ($self) = @_;
… …
1220# the displayed name, this is a one way mapping 1849# the displayed name, this is a one way mapping
1221sub visible_name { 1850sub visible_name {
1222 &as_string 1851 &as_string
1223} 1852}
1224 1853
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location 1854# the original (read-only) location
1233sub load_path { 1855sub load_path {
1234 my ($self) = @_; 1856 my ($self) = @_;
1235 1857
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1858 "$MAPDIR/$self->{path}.map"
1237} 1859}
1238 1860
1239# the temporary/swap location 1861# the temporary/swap location
1240sub save_path { 1862sub save_path {
1241 my ($self) = @_; 1863 my ($self) = @_;
1242 1864
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path 1865 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1866 "$TMPDIR/$path.map"
1244} 1867}
1245 1868
1246# the unique path, undef == no special unique path 1869# the unique path, undef == no special unique path
1247sub uniq_path { 1870sub uniq_path {
1248 my ($self) = @_; 1871 my ($self) = @_;
1249 1872
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 1873 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1874 "$UNIQUEDIR/$path"
1251} 1875}
1252 1876
1253# and all this just because we cannot iterate over 1877sub decay_objects {
1254# all maps in C++...
1255sub change_all_map_light {
1256 my ($change) = @_; 1878 my ($self) = @_;
1257 1879
1258 $_->change_map_light ($change) 1880 return if $self->{deny_reset};
1259 for grep $_->outdoor, values %cf::MAP; 1881
1882 $self->do_decay_objects;
1260} 1883}
1261 1884
1262sub unlink_save { 1885sub unlink_save {
1263 my ($self) = @_; 1886 my ($self) = @_;
1264 1887
1265 utf8::encode (my $save = $self->save_path); 1888 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1889 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1890 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268} 1891}
1269 1892
1270sub load_header_from($) { 1893sub load_header_from($) {
1271 my ($self, $path) = @_; 1894 my ($self, $path) = @_;
1272 1895
1273 utf8::encode $path; 1896 utf8::encode $path;
1274 aio_open $path, O_RDONLY, 0 1897 my $f = new_from_file cf::object::thawer $path
1275 or return; 1898 or return;
1276 1899
1277 $self->_load_header ($path) 1900 $self->_load_header ($f)
1278 or return; 1901 or return;
1279 1902
1903 local $MAP_LOADING{$self->{path}} = $self;
1904 $f->resolve_delayed_derefs;
1905
1280 $self->{load_path} = $path; 1906 $self->{load_path} = $path;
1281 1907
1282 1 1908 1
1283} 1909}
1284 1910
1285sub load_orig { 1911sub load_header_orig {
1286 my ($self) = @_; 1912 my ($self) = @_;
1287 1913
1288 $self->load_header_from ($self->load_path) 1914 $self->load_header_from ($self->load_path)
1289} 1915}
1290 1916
1291sub load_temp { 1917sub load_header_temp {
1292 my ($self) = @_; 1918 my ($self) = @_;
1293 1919
1294 $self->load_header_from ($self->save_path) 1920 $self->load_header_from ($self->save_path)
1921}
1922
1923sub prepare_temp {
1924 my ($self) = @_;
1925
1926 $self->last_access ((delete $self->{last_access})
1927 || $cf::RUNTIME); #d#
1928 # safety
1929 $self->{instantiate_time} = $cf::RUNTIME
1930 if $self->{instantiate_time} > $cf::RUNTIME;
1931}
1932
1933sub prepare_orig {
1934 my ($self) = @_;
1935
1936 $self->{load_original} = 1;
1937 $self->{instantiate_time} = $cf::RUNTIME;
1938 $self->last_access ($cf::RUNTIME);
1939 $self->instantiate;
1295} 1940}
1296 1941
1297sub load_header { 1942sub load_header {
1298 my ($self) = @_; 1943 my ($self) = @_;
1299 1944
1300 if ($self->load_temp) { 1945 if ($self->load_header_temp) {
1301 $self->last_access ((delete $self->{last_access}) 1946 $self->prepare_temp;
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else { 1947 } else {
1307 $self->load_orig 1948 $self->load_header_orig
1308 or return; 1949 or return;
1309 1950 $self->prepare_orig;
1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 } 1951 }
1952
1953 $self->{deny_reset} = 1
1954 if $self->no_reset;
1955
1956 $self->default_region (cf::region::find_by_path $self->{path})
1957 unless $self->default_region;
1315 1958
1316 1 1959 1
1317} 1960}
1318 1961
1319sub find; 1962sub find;
1320sub find { 1963sub find {
1321 my ($path, $origin) = @_; 1964 my ($path, $origin) = @_;
1322 1965
1323 $path = normalise $path, $origin && $origin->path; 1966 $path = normalise $path, $origin && $origin->path;
1324 1967
1968 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325 cf::lock_wait "map_find:$path"; 1969 my $guard2 = cf::lock_acquire "map_find:$path";
1326 1970
1327 $cf::MAP{$path} || do { 1971 $cf::MAP{$path} || do {
1328 my $guard = cf::lock_acquire "map_find:$path";
1329 my $map = new_from_path cf::map $path 1972 my $map = new_from_path cf::map $path
1330 or return; 1973 or return;
1331 1974
1332 $map->{last_save} = $cf::RUNTIME; 1975 $map->{last_save} = $cf::RUNTIME;
1333 1976
1334 $map->load_header 1977 $map->load_header
1335 or return; 1978 or return;
1336 1979
1337 if ($map->should_reset) { 1980 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1981 # doing this can freeze the server in a sync job, obviously
1982 #$cf::WAIT_FOR_TICK->wait;
1983 undef $guard2;
1984 undef $guard1;
1338 $map->reset; 1985 $map->reset;
1339 undef $guard;
1340 $map = find $path 1986 return find $path;
1341 or return;
1342 } 1987 }
1343 1988
1344 $cf::MAP{$path} = $map 1989 $cf::MAP{$path} = $map
1345 } 1990 }
1346} 1991}
1992
1993sub pre_load { }
1994sub post_load { }
1347 1995
1348sub load { 1996sub load {
1349 my ($self) = @_; 1997 my ($self) = @_;
1350 1998
1999 local $self->{deny_reset} = 1; # loading can take a long time
2000
1351 my $path = $self->{path}; 2001 my $path = $self->{path};
2002
2003 {
1352 my $guard = cf::lock_acquire "map_load:$path"; 2004 my $guard = cf::lock_acquire "map_data:$path";
1353 2005
2006 return unless $self->valid;
1354 return if $self->in_memory != cf::MAP_SWAPPED; 2007 return unless $self->in_memory == cf::MAP_SWAPPED;
1355 2008
1356 $self->in_memory (cf::MAP_LOADING); 2009 $self->in_memory (cf::MAP_LOADING);
1357 2010
1358 $self->alloc; 2011 $self->alloc;
1359 $self->_load_objects ($self->{load_path}, 1) 2012
2013 $self->pre_load;
2014 cf::cede_to_tick;
2015
2016 my $f = new_from_file cf::object::thawer $self->{load_path};
2017 $f->skip_block;
2018 $self->_load_objects ($f)
1360 or return; 2019 or return;
1361 2020
1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2021 $self->post_load_original
1363 if delete $self->{load_original}; 2022 if delete $self->{load_original};
1364 2023
1365 if (my $uniq = $self->uniq_path) { 2024 if (my $uniq = $self->uniq_path) {
1366 utf8::encode $uniq; 2025 utf8::encode $uniq;
1367 if (aio_open $uniq, O_RDONLY, 0) { 2026 unless (aio_stat $uniq) {
2027 if (my $f = new_from_file cf::object::thawer $uniq) {
1368 $self->clear_unique_items; 2028 $self->clear_unique_items;
1369 $self->_load_objects ($uniq, 0); 2029 $self->_load_objects ($f);
2030 $f->resolve_delayed_derefs;
2031 }
1370 } 2032 }
1371 } 2033 }
1372 2034
1373 Coro::cede; 2035 $f->resolve_delayed_derefs;
1374 2036
2037 cf::cede_to_tick;
1375 # now do the right thing for maps 2038 # now do the right thing for maps
1376 $self->link_multipart_objects; 2039 $self->link_multipart_objects;
1377
1378 unless ($self->{deny_activate}) {
1379 $self->decay_objects;
1380 $self->fix_auto_apply;
1381 $self->update_buttons;
1382 Coro::cede;
1383 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 2040 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 2041 unless $self->difficulty;
1386 Coro::cede; 2042 cf::cede_to_tick;
2043
2044 unless ($self->{deny_activate}) {
2045 $self->decay_objects;
2046 $self->fix_auto_apply;
2047 $self->update_buttons;
2048 cf::cede_to_tick;
1387 $self->activate; 2049 $self->activate;
1388 } 2050 }
1389 2051
2052 $self->{last_save} = $cf::RUNTIME;
2053 $self->last_access ($cf::RUNTIME);
2054
1390 $self->in_memory (cf::MAP_IN_MEMORY); 2055 $self->in_memory (cf::MAP_ACTIVE);
2056 }
2057
2058 $self->post_load;
1391} 2059}
1392 2060
1393sub customise_for { 2061sub customise_for {
1394 my ($self, $ob) = @_; 2062 my ($self, $ob) = @_;
1395 2063
1396 return find "~" . $ob->name . "/" . $self->{path} 2064 return find "~" . $ob->name . "/" . $self->{path}
1397 if $self->per_player; 2065 if $self->per_player;
1398 2066
2067# return find "?party/" . $ob->name . "/" . $self->{path}
2068# if $self->per_party;
2069
1399 $self 2070 $self
1400} 2071}
1401 2072
1402# find and load all maps in the 3x3 area around a map 2073# find and load all maps in the 3x3 area around a map
1403sub load_diag { 2074sub load_neighbours {
1404 my ($map) = @_; 2075 my ($map) = @_;
1405 2076
1406 my @diag; # diagonal neighbours 2077 my @neigh; # diagonal neighbours
1407 2078
1408 for (0 .. 3) { 2079 for (0 .. 3) {
1409 my $neigh = $map->tile_path ($_) 2080 my $neigh = $map->tile_path ($_)
1410 or next; 2081 or next;
1411 $neigh = find $neigh, $map 2082 $neigh = find $neigh, $map
1412 or next; 2083 or next;
1413 $neigh->load; 2084 $neigh->load;
1414 2085
2086 push @neigh,
1415 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2087 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1416 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2088 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1417 } 2089 }
1418 2090
1419 for (@diag) { 2091 for (grep defined $_->[0], @neigh) {
2092 my ($path, $origin) = @$_;
1420 my $neigh = find @$_ 2093 my $neigh = find $path, $origin
1421 or next; 2094 or next;
1422 $neigh->load; 2095 $neigh->load;
1423 } 2096 }
1424} 2097}
1425 2098
… …
1430} 2103}
1431 2104
1432sub do_load_sync { 2105sub do_load_sync {
1433 my ($map) = @_; 2106 my ($map) = @_;
1434 2107
2108 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2109 if $Coro::current == $Coro::main;
2110
1435 cf::sync_job { $map->load }; 2111 cf::sync_job { $map->load };
1436} 2112}
1437 2113
1438our %MAP_PREFETCH; 2114our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async { 2115our $MAP_PREFETCHER = undef;
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1443 or next;
1444 $map->load;
1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1449 }
1450};
1451 2116
1452sub find_async { 2117sub find_async {
1453 my ($path, $origin) = @_; 2118 my ($path, $origin, $load) = @_;
1454 2119
1455 $path = normalise $path, $origin && $origin->{path}; 2120 $path = normalise $path, $origin && $origin->{path};
1456 2121
1457 if (my $map = $cf::MAP{$path}) { 2122 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2123 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2124 }
2125
2126 $MAP_PREFETCH{$path} |= $load;
2127
2128 $MAP_PREFETCHER ||= cf::async {
2129 $Coro::current->{desc} = "map prefetcher";
2130
2131 while (%MAP_PREFETCH) {
2132 while (my ($k, $v) = each %MAP_PREFETCH) {
2133 if (my $map = find $k) {
2134 $map->load if $v;
2135 }
2136
2137 delete $MAP_PREFETCH{$k};
2138 }
2139 }
2140 undef $MAP_PREFETCHER;
1459 } 2141 };
1460
1461 $MAP_PREFETCH{$path} = 0;
1462 $MAP_PREFETCHER->ready; 2142 $MAP_PREFETCHER->prio (6);
1463 2143
1464 () 2144 ()
1465} 2145}
1466 2146
1467sub save { 2147sub save {
1468 my ($self) = @_; 2148 my ($self) = @_;
1469 2149
1470 my $lock = cf::lock_acquire "map_data:" . $self->path; 2150 my $lock = cf::lock_acquire "map_data:$self->{path}";
1471 2151
1472 $self->{last_save} = $cf::RUNTIME; 2152 $self->{last_save} = $cf::RUNTIME;
1473 2153
1474 return unless $self->dirty; 2154 return unless $self->dirty;
1475 2155
… …
1481 return if $self->{deny_save}; 2161 return if $self->{deny_save};
1482 2162
1483 local $self->{last_access} = $self->last_access;#d# 2163 local $self->{last_access} = $self->last_access;#d#
1484 2164
1485 cf::async { 2165 cf::async {
2166 $Coro::current->{desc} = "map player save";
1486 $_->contr->save for $self->players; 2167 $_->contr->save for $self->players;
1487 }; 2168 };
2169
2170 cf::get_slot 0.02;
1488 2171
1489 if ($uniq) { 2172 if ($uniq) {
1490 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2173 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2174 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1492 } else { 2175 } else {
… …
1498 my ($self) = @_; 2181 my ($self) = @_;
1499 2182
1500 # save first because save cedes 2183 # save first because save cedes
1501 $self->save; 2184 $self->save;
1502 2185
1503 my $lock = cf::lock_acquire "map_data:" . $self->path; 2186 my $lock = cf::lock_acquire "map_data:$self->{path}";
1504 2187
1505 return if $self->players; 2188 return if $self->players;
1506 return if $self->in_memory != cf::MAP_IN_MEMORY; 2189 return if $self->in_memory != cf::MAP_ACTIVE;
1507 return if $self->{deny_save}; 2190 return if $self->{deny_save};
1508 2191
2192 $self->in_memory (cf::MAP_SWAPPED);
2193
2194 $self->deactivate;
2195 $_->clear_links_to ($self) for values %cf::MAP;
1509 $self->clear; 2196 $self->clear;
1510 $self->in_memory (cf::MAP_SWAPPED);
1511} 2197}
1512 2198
1513sub reset_at { 2199sub reset_at {
1514 my ($self) = @_; 2200 my ($self) = @_;
1515 2201
1516 # TODO: safety, remove and allow resettable per-player maps 2202 # TODO: safety, remove and allow resettable per-player maps
1517 return 1e99 if $self->isa ("ext::map_per_player");
1518 return 1e99 if $self->{deny_reset}; 2203 return 1e99 if $self->{deny_reset};
1519 2204
1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2205 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2206 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522 2207
… …
1527 my ($self) = @_; 2212 my ($self) = @_;
1528 2213
1529 $self->reset_at <= $cf::RUNTIME 2214 $self->reset_at <= $cf::RUNTIME
1530} 2215}
1531 2216
1532sub rename {
1533 my ($self, $new_path) = @_;
1534
1535 normalise $new_path;
1536
1537 $self->unlink_save;
1538
1539 delete $cf::MAP{$self->path};
1540 $self->{path} = $new_path; $self->path ($self->{path});
1541 $cf::MAP{$self->path} = $self;
1542
1543 $self->save;
1544}
1545
1546sub reset { 2217sub reset {
1547 my ($self) = @_; 2218 my ($self) = @_;
1548 2219
1549 my $lock = cf::lock_acquire "map_data:" . $self->path; 2220 my $lock = cf::lock_acquire "map_data:$self->{path}";
1550 2221
1551 return if $self->players; 2222 return if $self->players;
1552 return if $self->isa ("ext::map_per_player");#d#
1553 2223
1554 warn "resetting map ", $self->path;#d# 2224 warn "resetting map ", $self->path;
2225
2226 $self->in_memory (cf::MAP_SWAPPED);
2227
2228 # need to save uniques path
2229 unless ($self->{deny_save}) {
2230 my $uniq = $self->uniq_path; utf8::encode $uniq;
2231
2232 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2233 if $uniq;
2234 }
1555 2235
1556 delete $cf::MAP{$self->path}; 2236 delete $cf::MAP{$self->path};
1557 2237
2238 $self->deactivate;
1558 $_->clear_links_to ($self) for values %cf::MAP; 2239 $_->clear_links_to ($self) for values %cf::MAP;
2240 $self->clear;
1559 2241
1560 $self->unlink_save; 2242 $self->unlink_save;
1561 $self->destroy; 2243 $self->destroy;
1562} 2244}
1563 2245
1564my $nuke_counter = "aaaa"; 2246my $nuke_counter = "aaaa";
1565 2247
1566sub nuke { 2248sub nuke {
1567 my ($self) = @_; 2249 my ($self) = @_;
1568 2250
2251 {
2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
2253
2254 delete $cf::MAP{$self->path};
2255
2256 $self->unlink_save;
2257
2258 bless $self, "cf::map";
2259 delete $self->{deny_reset};
1569 $self->{deny_save} = 1; 2260 $self->{deny_save} = 1;
1570 $self->reset_timeout (1); 2261 $self->reset_timeout (1);
1571 $self->rename ("{nuke}/" . ($nuke_counter++)); 2262 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2263
2264 $cf::MAP{$self->path} = $self;
2265 }
2266
1572 $self->reset; # polite request, might not happen 2267 $self->reset; # polite request, might not happen
2268}
2269
2270=item $maps = cf::map::tmp_maps
2271
2272Returns an arrayref with all map paths of currently instantiated and saved
2273maps. May block.
2274
2275=cut
2276
2277sub tmp_maps() {
2278 [
2279 map {
2280 utf8::decode $_;
2281 /\.map$/
2282 ? normalise $_
2283 : ()
2284 } @{ aio_readdir $TMPDIR or [] }
2285 ]
2286}
2287
2288=item $maps = cf::map::random_maps
2289
2290Returns an arrayref with all map paths of currently instantiated and saved
2291random maps. May block.
2292
2293=cut
2294
2295sub random_maps() {
2296 [
2297 map {
2298 utf8::decode $_;
2299 /\.map$/
2300 ? normalise "?random/$_"
2301 : ()
2302 } @{ aio_readdir $RANDOMDIR or [] }
2303 ]
1573} 2304}
1574 2305
1575=item cf::map::unique_maps 2306=item cf::map::unique_maps
1576 2307
1577Returns an arrayref of paths of all shared maps that have 2308Returns an arrayref of paths of all shared maps that have
1578instantiated unique items. May block. 2309instantiated unique items. May block.
1579 2310
1580=cut 2311=cut
1581 2312
1582sub unique_maps() { 2313sub unique_maps() {
1583 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2314 [
1584 or return; 2315 map {
1585
1586 my @paths;
1587
1588 for (@$files) {
1589 utf8::decode $_; 2316 utf8::decode $_;
1590 next if /\.pst$/; 2317 s/\.map$//; # TODO future compatibility hack
1591 next unless /^$PATH_SEP/o; 2318 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592 2319 ? ()
1593 push @paths, $_; 2320 : normalise $_
2321 } @{ aio_readdir $UNIQUEDIR or [] }
1594 } 2322 ]
1595
1596 \@paths
1597} 2323}
1598
1599package cf;
1600 2324
1601=back 2325=back
1602 2326
1603=head3 cf::object 2327=head3 cf::object
1604 2328
… …
1608 2332
1609=over 4 2333=over 4
1610 2334
1611=item $ob->inv_recursive 2335=item $ob->inv_recursive
1612 2336
1613Returns the inventory of the object _and_ their inventories, recursively. 2337Returns the inventory of the object I<and> their inventories, recursively,
2338but I<not> the object itself.
1614 2339
1615=cut 2340=cut
1616 2341
1617sub inv_recursive_; 2342sub inv_recursive_;
1618sub inv_recursive_ { 2343sub inv_recursive_ {
… …
1621 2346
1622sub inv_recursive { 2347sub inv_recursive {
1623 inv_recursive_ inv $_[0] 2348 inv_recursive_ inv $_[0]
1624} 2349}
1625 2350
2351=item $ref = $ob->ref
2352
2353Creates and returns a persistent reference to an object that can be stored as a string.
2354
2355=item $ob = cf::object::deref ($refstring)
2356
2357returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2358even if the object actually exists. May block.
2359
2360=cut
2361
2362sub deref {
2363 my ($ref) = @_;
2364
2365 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2366 my ($uuid, $name) = ($1, $2);
2367 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2368 or return;
2369 $pl->ob->uuid eq $uuid
2370 or return;
2371
2372 $pl->ob
2373 } else {
2374 warn "$ref: cannot resolve object reference\n";
2375 undef
2376 }
2377}
2378
1626package cf; 2379package cf;
1627 2380
1628=back 2381=back
1629 2382
1630=head3 cf::object::player 2383=head3 cf::object::player
… …
1636Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2389Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637can be C<undef>. Does the right thing when the player is currently in a 2390can be C<undef>. Does the right thing when the player is currently in a
1638dialogue with the given NPC character. 2391dialogue with the given NPC character.
1639 2392
1640=cut 2393=cut
2394
2395our $SAY_CHANNEL = {
2396 id => "say",
2397 title => "Map",
2398 reply => "say ",
2399 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2400};
2401
2402our $CHAT_CHANNEL = {
2403 id => "chat",
2404 title => "Chat",
2405 reply => "chat ",
2406 tooltip => "Player chat and shouts, global to the server.",
2407};
1641 2408
1642# rough implementation of a future "reply" method that works 2409# rough implementation of a future "reply" method that works
1643# with dialog boxes. 2410# with dialog boxes.
1644#TODO: the first argument must go, split into a $npc->reply_to ( method 2411#TODO: the first argument must go, split into a $npc->reply_to ( method
1645sub cf::object::player::reply($$$;$) { 2412sub cf::object::player::reply($$$;$) {
… …
1647 2414
1648 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2415 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649 2416
1650 if ($self->{record_replies}) { 2417 if ($self->{record_replies}) {
1651 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2418 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2419
1652 } else { 2420 } else {
2421 my $pl = $self->contr;
2422
2423 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2424 my $dialog = $pl->{npc_dialog};
2425 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2426
2427 } else {
1653 $msg = $npc->name . " says: $msg" if $npc; 2428 $msg = $npc->name . " says: $msg" if $npc;
1654 $self->message ($msg, $flags); 2429 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2430 }
1655 } 2431 }
2432}
2433
2434=item $object->send_msg ($channel, $msg, $color, [extra...])
2435
2436=cut
2437
2438sub cf::object::send_msg {
2439 my $pl = shift->contr
2440 or return;
2441 $pl->send_msg (@_);
1656} 2442}
1657 2443
1658=item $player_object->may ("access") 2444=item $player_object->may ("access")
1659 2445
1660Returns wether the given player is authorized to access resource "access" 2446Returns wether the given player is authorized to access resource "access"
… …
1673 2459
1674=item $player_object->enter_link 2460=item $player_object->enter_link
1675 2461
1676Freezes the player and moves him/her to a special map (C<{link}>). 2462Freezes the player and moves him/her to a special map (C<{link}>).
1677 2463
1678The player should be reasonably safe there for short amounts of time. You 2464The player should be reasonably safe there for short amounts of time (e.g.
1679I<MUST> call C<leave_link> as soon as possible, though. 2465for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2466though, as the palyer cannot control the character while it is on the link
2467map.
1680 2468
1681Will never block. 2469Will never block.
1682 2470
1683=item $player_object->leave_link ($map, $x, $y) 2471=item $player_object->leave_link ($map, $x, $y)
1684 2472
… …
1692=cut 2480=cut
1693 2481
1694sub link_map { 2482sub link_map {
1695 unless ($LINK_MAP) { 2483 unless ($LINK_MAP) {
1696 $LINK_MAP = cf::map::find "{link}" 2484 $LINK_MAP = cf::map::find "{link}"
1697 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2485 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698 $LINK_MAP->load; 2486 $LINK_MAP->load;
1699 } 2487 }
1700 2488
1701 $LINK_MAP 2489 $LINK_MAP
1702} 2490}
… …
1707 $self->deactivate_recursive; 2495 $self->deactivate_recursive;
1708 2496
1709 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2497 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 2498
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2499 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 2500 if $self->map && $self->map->{path} ne "{link}";
1713 2501
1714 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2502 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 2503}
1716 2504
1717sub cf::object::player::leave_link { 2505sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 2506 my ($self, $map, $x, $y) = @_;
2507
2508 return unless $self->contr->active;
1719 2509
1720 my $link_pos = delete $self->{_link_pos}; 2510 my $link_pos = delete $self->{_link_pos};
1721 2511
1722 unless ($map) { 2512 unless ($map) {
1723 # restore original map position 2513 # restore original map position
… …
1737 # use -1 or undef as default coordinates, not 0, 0 2527 # use -1 or undef as default coordinates, not 0, 0
1738 ($x, $y) = ($map->enter_x, $map->enter_y) 2528 ($x, $y) = ($map->enter_x, $map->enter_y)
1739 if $x <=0 && $y <= 0; 2529 if $x <=0 && $y <= 0;
1740 2530
1741 $map->load; 2531 $map->load;
1742 $map->load_diag; 2532 $map->load_neighbours;
1743 2533
1744 return unless $self->contr->active; 2534 return unless $self->contr->active;
2535 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1745 $self->activate_recursive; 2536 $self->activate_recursive;
2537
2538 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 2539 $self->enter_map ($map, $x, $y);
1747} 2540}
1748 2541
1749cf::player->attach ( 2542=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750 on_logout => sub {
1751 my ($pl) = @_;
1752 2543
1753 # abort map switching before logout 2544Moves the player to the given map-path and coordinates by first freezing
1754 if ($pl->ob->{_link_pos}) { 2545her, loading and preparing them map, calling the provided $check callback
1755 cf::sync_job { 2546that has to return the map if sucecssful, and then unfreezes the player on
1756 $pl->ob->leave_link 2547the new (success) or old (failed) map position. In either case, $done will
1757 }; 2548be called at the end of this process.
1758 }
1759 },
1760 on_login => sub {
1761 my ($pl) = @_;
1762 2549
1763 # try to abort aborted map switching on player login :) 2550Note that $check will be called with a potentially non-loaded map, so if
1764 # should happen only on crashes 2551it needs a loaded map it has to call C<< ->load >>.
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780 2552
1781=item $player_object->goto ($path, $x, $y)
1782
1783=cut 2553=cut
2554
2555our $GOTOGEN;
1784 2556
1785sub cf::object::player::goto { 2557sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 2558 my ($self, $path, $x, $y, $check, $done) = @_;
2559
2560 # do generation counting so two concurrent goto's will be executed in-order
2561 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787 2562
1788 $self->enter_link; 2563 $self->enter_link;
1789 2564
1790 (async { 2565 (async {
1791 my $map = cf::map::find $path; 2566 $Coro::current->{desc} = "player::goto $path $x $y";
2567
2568 # *tag paths override both path and x|y
2569 if ($path =~ /^\*(.*)$/) {
2570 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2571 my $ob = $obs[rand @obs];
2572
2573 # see if we actually can go there
2574 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2575 $ob = $obs[rand @obs];
2576 } else {
2577 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579 # else put us there anyways for now #d#
2580
2581 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2582 } else {
2583 ($path, $x, $y) = (undef, undef, undef);
2584 }
2585 }
2586
2587 my $map = eval {
2588 my $map = defined $path ? cf::map::find $path : undef;
2589
2590 if ($map) {
1792 $map = $map->customise_for ($self) if $map; 2591 $map = $map->customise_for ($self);
1793 2592 $map = $check->($map) if $check && $map;
1794# warn "entering ", $map->path, " at ($x, $y)\n" 2593 } else {
1795# if $map;
1796
1797 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2594 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2595 }
1798 2596
2597 $map
2598 };
2599
2600 if ($@) {
2601 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2602 LOG llevError | logBacktrace, Carp::longmess $@;
2603 }
2604
2605 if ($gen == $self->{_goto_generation}) {
2606 delete $self->{_goto_generation};
1799 $self->leave_link ($map, $x, $y); 2607 $self->leave_link ($map, $x, $y);
2608 }
2609
2610 $done->() if $done;
1800 })->prio (1); 2611 })->prio (1);
1801} 2612}
1802 2613
1803=item $player_object->enter_exit ($exit_object) 2614=item $player_object->enter_exit ($exit_object)
1804 2615
… …
1806 2617
1807sub parse_random_map_params { 2618sub parse_random_map_params {
1808 my ($spec) = @_; 2619 my ($spec) = @_;
1809 2620
1810 my $rmp = { # defaults 2621 my $rmp = { # defaults
1811 xsize => 10, 2622 xsize => (cf::rndm 15, 40),
1812 ysize => 10, 2623 ysize => (cf::rndm 15, 40),
2624 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2625 #layout => string,
1813 }; 2626 };
1814 2627
1815 for (split /\n/, $spec) { 2628 for (split /\n/, $spec) {
1816 my ($k, $v) = split /\s+/, $_, 2; 2629 my ($k, $v) = split /\s+/, $_, 2;
1817 2630
… …
1829 # that depends on the exit object 2642 # that depends on the exit object
1830 2643
1831 my $rmp = parse_random_map_params $exit->msg; 2644 my $rmp = parse_random_map_params $exit->msg;
1832 2645
1833 if ($exit->map) { 2646 if ($exit->map) {
1834 $rmp->{region} = $exit->map->region_name; 2647 $rmp->{region} = $exit->region->name;
1835 $rmp->{origin_map} = $exit->map->path; 2648 $rmp->{origin_map} = $exit->map->path;
1836 $rmp->{origin_x} = $exit->x; 2649 $rmp->{origin_x} = $exit->x;
1837 $rmp->{origin_y} = $exit->y; 2650 $rmp->{origin_y} = $exit->y;
2651
2652 $exit->map->touch;
1838 } 2653 }
1839 2654
1840 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
1841 2656
1842 my $data = cf::to_json $rmp; 2657 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2659 my $meta = "$RANDOMDIR/$md5.meta";
1844 2660
1845 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
2663 undef $fh;
2664 aio_rename "$meta~", $meta;
1847 2665
2666 my $slaying = "?random/$md5";
2667
2668 if ($exit->valid) {
1848 $exit->slaying ("?random/$md5"); 2669 $exit->slaying ("?random/$md5");
1849 $exit->msg (undef); 2670 $exit->msg (undef);
2671 }
1850 } 2672 }
1851} 2673}
1852 2674
1853sub cf::object::player::enter_exit { 2675sub cf::object::player::enter_exit {
1854 my ($self, $exit) = @_; 2676 my ($self, $exit) = @_;
… …
1856 return unless $self->type == cf::PLAYER; 2678 return unless $self->type == cf::PLAYER;
1857 2679
1858 $self->enter_link; 2680 $self->enter_link;
1859 2681
1860 (async { 2682 (async {
1861 $self->deactivate_recursive; # just to be sure 2683 $Coro::current->{desc} = "enter_exit";
2684
1862 unless (eval { 2685 unless (eval {
2686 $self->deactivate_recursive; # just to be sure
2687
2688 # random map handling
2689 {
2690 my $guard = cf::lock_acquire "exit_prepare:$exit";
2691
1863 prepare_random_map $exit 2692 prepare_random_map $exit
1864 if $exit->slaying eq "/!"; 2693 if $exit->slaying eq "/!";
2694 }
1865 2695
1866 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2696 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2697 my $x = $exit->stats->hp;
2698 my $y = $exit->stats->sp;
1868 2699
2700 $self->goto ($map, $x, $y);
2701
2702 # if exit is damned, update players death & WoR home-position
2703 $self->contr->savebed ($map, $x, $y)
2704 if $exit->flag (cf::FLAG_DAMNED);
2705
1869 1; 2706 1
1870 }) { 2707 }) {
1871 $self->message ("Something went wrong deep within the crossfire server. " 2708 $self->message ("Something went wrong deep within the deliantra server. "
1872 . "I'll try to bring you back to the map you were before. " 2709 . "I'll try to bring you back to the map you were before. "
1873 . "Please report this to the dungeon master!", 2710 . "Please report this to the dungeon master!",
1874 cf::NDI_UNIQUE | cf::NDI_RED); 2711 cf::NDI_UNIQUE | cf::NDI_RED);
1875 2712
1876 warn "ERROR in enter_exit: $@"; 2713 warn "ERROR in enter_exit: $@";
1877 $self->leave_link; 2714 $self->leave_link;
1878 } 2715 }
1879 })->prio (1); 2716 })->prio (1);
… …
1892 2729
1893sub cf::client::send_drawinfo { 2730sub cf::client::send_drawinfo {
1894 my ($self, $text, $flags) = @_; 2731 my ($self, $text, $flags) = @_;
1895 2732
1896 utf8::encode $text; 2733 utf8::encode $text;
1897 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2734 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898} 2735}
1899 2736
2737=item $client->send_msg ($channel, $msg, $color, [extra...])
2738
2739Send a drawinfo or msg packet to the client, formatting the msg for the
2740client if neccessary. C<$type> should be a string identifying the type of
2741the message, with C<log> being the default. If C<$color> is negative, suppress
2742the message unless the client supports the msg packet.
2743
2744=cut
2745
2746# non-persistent channels (usually the info channel)
2747our %CHANNEL = (
2748 "c/identify" => {
2749 id => "infobox",
2750 title => "Identify",
2751 reply => undef,
2752 tooltip => "Items recently identified",
2753 },
2754 "c/examine" => {
2755 id => "infobox",
2756 title => "Examine",
2757 reply => undef,
2758 tooltip => "Signs and other items you examined",
2759 },
2760 "c/book" => {
2761 id => "infobox",
2762 title => "Book",
2763 reply => undef,
2764 tooltip => "The contents of a note or book",
2765 },
2766 "c/lookat" => {
2767 id => "infobox",
2768 title => "Look",
2769 reply => undef,
2770 tooltip => "What you saw there",
2771 },
2772 "c/who" => {
2773 id => "infobox",
2774 title => "Players",
2775 reply => undef,
2776 tooltip => "Shows players who are currently online",
2777 },
2778 "c/body" => {
2779 id => "infobox",
2780 title => "Body Parts",
2781 reply => undef,
2782 tooltip => "Shows which body parts you posess and are available",
2783 },
2784 "c/statistics" => {
2785 id => "infobox",
2786 title => "Statistics",
2787 reply => undef,
2788 tooltip => "Shows your primary statistics",
2789 },
2790 "c/skills" => {
2791 id => "infobox",
2792 title => "Skills",
2793 reply => undef,
2794 tooltip => "Shows your experience per skill and item power",
2795 },
2796 "c/shopitems" => {
2797 id => "infobox",
2798 title => "Shop Items",
2799 reply => undef,
2800 tooltip => "Shows the items currently for sale in this shop",
2801 },
2802 "c/resistances" => {
2803 id => "infobox",
2804 title => "Resistances",
2805 reply => undef,
2806 tooltip => "Shows your resistances",
2807 },
2808 "c/pets" => {
2809 id => "infobox",
2810 title => "Pets",
2811 reply => undef,
2812 tooltip => "Shows information abotu your pets/a specific pet",
2813 },
2814 "c/perceiveself" => {
2815 id => "infobox",
2816 title => "Perceive Self",
2817 reply => undef,
2818 tooltip => "You gained detailed knowledge about yourself",
2819 },
2820 "c/uptime" => {
2821 id => "infobox",
2822 title => "Uptime",
2823 reply => undef,
2824 tooltip => "How long the server has been running since last restart",
2825 },
2826 "c/mapinfo" => {
2827 id => "infobox",
2828 title => "Map Info",
2829 reply => undef,
2830 tooltip => "Information related to the maps",
2831 },
2832 "c/party" => {
2833 id => "party",
2834 title => "Party",
2835 reply => "gsay ",
2836 tooltip => "Messages and chat related to your party",
2837 },
2838 "c/death" => {
2839 id => "death",
2840 title => "Death",
2841 reply => undef,
2842 tooltip => "Reason for and more info about your most recent death",
2843 },
2844 "c/say" => $SAY_CHANNEL,
2845 "c/chat" => $CHAT_CHANNEL,
2846);
2847
2848sub cf::client::send_msg {
2849 my ($self, $channel, $msg, $color, @extra) = @_;
2850
2851 $msg = $self->pl->expand_cfpod ($msg)
2852 unless $color & cf::NDI_VERBATIM;
2853
2854 $color &= cf::NDI_CLIENT_MASK; # just in case...
2855
2856 # check predefined channels, for the benefit of C
2857 if ($CHANNEL{$channel}) {
2858 $channel = $CHANNEL{$channel};
2859
2860 $self->ext_msg (channel_info => $channel);
2861 $channel = $channel->{id};
2862
2863 } elsif (ref $channel) {
2864 # send meta info to client, if not yet sent
2865 unless (exists $self->{channel}{$channel->{id}}) {
2866 $self->{channel}{$channel->{id}} = $channel;
2867 $self->ext_msg (channel_info => $channel);
2868 }
2869
2870 $channel = $channel->{id};
2871 }
2872
2873 return unless @extra || length $msg;
2874
2875 # default colour, mask it out
2876 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2877 if $color & cf::NDI_DEF;
2878
2879 my $pkt = "msg "
2880 . $self->{json_coder}->encode (
2881 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2882 );
2883
2884 # try lzf for large packets
2885 $pkt = "lzf " . Compress::LZF::compress $pkt
2886 if 1024 <= length $pkt and $self->{can_lzf};
2887
2888 # split very large packets
2889 if (8192 < length $pkt and $self->{can_lzf}) {
2890 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2891 $pkt = "frag";
2892 }
2893
2894 $self->send_packet ($pkt);
2895}
2896
2897=item $client->ext_msg ($type, @msg)
2898
2899Sends an ext event to the client.
2900
2901=cut
2902
2903sub cf::client::ext_msg($$@) {
2904 my ($self, $type, @msg) = @_;
2905
2906 if ($self->extcmd == 2) {
2907 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2908 } elsif ($self->extcmd == 1) { # TODO: remove
2909 push @msg, msgtype => "event_$type";
2910 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2911 }
2912}
2913
2914=item $client->ext_reply ($msgid, @msg)
2915
2916Sends an ext reply to the client.
2917
2918=cut
2919
2920sub cf::client::ext_reply($$@) {
2921 my ($self, $id, @msg) = @_;
2922
2923 if ($self->extcmd == 2) {
2924 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2925 } elsif ($self->extcmd == 1) {
2926 #TODO: version 1, remove
2927 unshift @msg, msgtype => "reply", msgid => $id;
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2930}
1900 2931
1901=item $success = $client->query ($flags, "text", \&cb) 2932=item $success = $client->query ($flags, "text", \&cb)
1902 2933
1903Queues a query to the client, calling the given callback with 2934Queues a query to the client, calling the given callback with
1904the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2935the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2936C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906 2937
1907Queries can fail, so check the return code. Or don't, as queries will become 2938Queries can fail, so check the return code. Or don't, as queries will
1908reliable at some point in the future. 2939become reliable at some point in the future.
1909 2940
1910=cut 2941=cut
1911 2942
1912sub cf::client::query { 2943sub cf::client::query {
1913 my ($self, $flags, $text, $cb) = @_; 2944 my ($self, $flags, $text, $cb) = @_;
… …
1921 utf8::encode $text; 2952 utf8::encode $text;
1922 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2953 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923 2954
1924 $self->send_packet ($self->{query_queue}[0][0]) 2955 $self->send_packet ($self->{query_queue}[0][0])
1925 if @{ $self->{query_queue} } == 1; 2956 if @{ $self->{query_queue} } == 1;
2957
2958 1
1926} 2959}
1927 2960
1928cf::client->attach ( 2961cf::client->attach (
2962 on_connect => sub {
2963 my ($ns) = @_;
2964
2965 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2966 },
1929 on_reply => sub { 2967 on_reply => sub {
1930 my ($ns, $msg) = @_; 2968 my ($ns, $msg) = @_;
1931 2969
1932 # this weird shuffling is so that direct followup queries 2970 # this weird shuffling is so that direct followup queries
1933 # get handled first 2971 # get handled first
1934 my $queue = delete $ns->{query_queue} 2972 my $queue = delete $ns->{query_queue}
1935 or return; # be conservative, not sure how that can happen, but we saw a crash here 2973 or return; # be conservative, not sure how that can happen, but we saw a crash here
1936 2974
1937 (shift @$queue)->[1]->($msg); 2975 (shift @$queue)->[1]->($msg);
2976 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938 2977
1939 push @{ $ns->{query_queue} }, @$queue; 2978 push @{ $ns->{query_queue} }, @$queue;
1940 2979
1941 if (@{ $ns->{query_queue} } == @$queue) { 2980 if (@{ $ns->{query_queue} } == @$queue) {
1942 if (@$queue) { 2981 if (@$queue) {
… …
1944 } else { 2983 } else {
1945 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2984 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946 } 2985 }
1947 } 2986 }
1948 }, 2987 },
2988 on_exticmd => sub {
2989 my ($ns, $buf) = @_;
2990
2991 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2992
2993 if (ref $msg) {
2994 my ($type, $reply, @payload) =
2995 "ARRAY" eq ref $msg
2996 ? @$msg
2997 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2998
2999 my @reply;
3000
3001 if (my $cb = $EXTICMD{$type}) {
3002 @reply = $cb->($ns, @payload);
3003 }
3004
3005 $ns->ext_reply ($reply, @reply)
3006 if $reply;
3007
3008 } else {
3009 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3010 }
3011
3012 cf::override;
3013 },
1949); 3014);
1950 3015
1951=item $client->async (\&cb) 3016=item $client->async (\&cb)
1952 3017
1953Create a new coroutine, running the specified callback. The coroutine will 3018Create a new coroutine, running the specified callback. The coroutine will
… …
1994our $safe = new Safe "safe"; 3059our $safe = new Safe "safe";
1995our $safe_hole = new Safe::Hole; 3060our $safe_hole = new Safe::Hole;
1996 3061
1997$SIG{FPE} = 'IGNORE'; 3062$SIG{FPE} = 'IGNORE';
1998 3063
1999$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3064$safe->permit_only (Opcode::opset qw(
3065 :base_core :base_mem :base_orig :base_math
3066 grepstart grepwhile mapstart mapwhile
3067 sort time
3068));
2000 3069
2001# here we export the classes and methods available to script code 3070# here we export the classes and methods available to script code
2002 3071
2003=pod 3072=pod
2004 3073
2005The following fucntions and emthods are available within a safe environment: 3074The following functions and methods are available within a safe environment:
2006 3075
2007 cf::object contr pay_amount pay_player map 3076 cf::object
3077 contr pay_amount pay_player map x y force_find force_add destroy
3078 insert remove name archname title slaying race decrease split
3079 value
3080
2008 cf::object::player player 3081 cf::object::player
2009 cf::player peaceful 3082 player
2010 cf::map trigger 3083
3084 cf::player
3085 peaceful
3086
3087 cf::map
3088 trigger
2011 3089
2012=cut 3090=cut
2013 3091
2014for ( 3092for (
2015 ["cf::object" => qw(contr pay_amount pay_player map)], 3093 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3094 insert remove inv nrof name archname title slaying race
3095 decrease split destroy change_exp value msg lore send_msg)],
2016 ["cf::object::player" => qw(player)], 3096 ["cf::object::player" => qw(player)],
2017 ["cf::player" => qw(peaceful)], 3097 ["cf::player" => qw(peaceful send_msg)],
2018 ["cf::map" => qw(trigger)], 3098 ["cf::map" => qw(trigger)],
2019) { 3099) {
2020 no strict 'refs'; 3100 no strict 'refs';
2021 my ($pkg, @funs) = @$_; 3101 my ($pkg, @funs) = @$_;
2022 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3102 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2039 my ($code, %vars) = @_; 3119 my ($code, %vars) = @_;
2040 3120
2041 my $qcode = $code; 3121 my $qcode = $code;
2042 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3122 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2043 $qcode =~ s/\n/\\n/g; 3123 $qcode =~ s/\n/\\n/g;
3124
3125 %vars = (_dummy => 0) unless %vars;
2044 3126
2045 local $_; 3127 local $_;
2046 local @safe::cf::_safe_eval_args = values %vars; 3128 local @safe::cf::_safe_eval_args = values %vars;
2047 3129
2048 my $eval = 3130 my $eval =
… …
2091=back 3173=back
2092 3174
2093=cut 3175=cut
2094 3176
2095############################################################################# 3177#############################################################################
3178# the server's init and main functions
2096 3179
2097=head2 EXTENSION DATABASE SUPPORT 3180sub load_facedata($) {
3181 my ($path) = @_;
2098 3182
2099Crossfire maintains a very simple database for extension use. It can 3183 # HACK to clear player env face cache, we need some signal framework
2100currently store anything that can be serialised using Storable, which 3184 # for this (global event?)
2101excludes objects. 3185 %ext::player_env::MUSIC_FACE_CACHE = ();
2102 3186
2103The parameter C<$family> should best start with the name of the extension 3187 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104using it, it should be unique.
2105 3188
2106=over 4 3189 warn "loading facedata from $path\n";
2107 3190
2108=item $hashref = cf::db_get $family 3191 my $facedata;
3192 0 < aio_load $path, $facedata
3193 or die "$path: $!";
2109 3194
2110Return a hashref for use by the extension C<$family>, which can be 3195 $facedata = Coro::Storable::thaw $facedata;
2111modified. After modifications, you have to call C<cf::db_dirty> or
2112C<cf::db_sync>.
2113 3196
2114=item $value = cf::db_get $family => $key 3197 $facedata->{version} == 2
3198 or cf::cleanup "$path: version mismatch, cannot proceed.";
2115 3199
2116Returns a single value from the database 3200 # patch in the exptable
2117 3201 $facedata->{resource}{"res/exp_table"} = {
2118=item cf::db_put $family => $hashref 3202 type => FT_RSRC,
2119 3203 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120Stores the given family hashref into the database. Updates are delayed, if
2121you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123=item cf::db_put $family => $key => $value
2124
2125Stores the given C<$value> in the family hash. Updates are delayed, if you
2126want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128=item cf::db_dirty
2129
2130Marks the database as dirty, to be updated at a later time.
2131
2132=item cf::db_sync
2133
2134Immediately write the database to disk I<if it is dirty>.
2135
2136=cut
2137
2138our $DB;
2139
2140{
2141 my $path = cf::localdir . "/database.pst";
2142
2143 sub db_load() {
2144 $DB = stat $path ? Storable::retrieve $path : { };
2145 }
2146
2147 my $pid;
2148
2149 sub db_save() {
2150 waitpid $pid, 0 if $pid;
2151 if (0 == ($pid = fork)) {
2152 $DB->{_meta}{version} = 1;
2153 Storable::nstore $DB, "$path~";
2154 rename "$path~", $path;
2155 cf::_exit 0 if defined $pid;
2156 }
2157 }
2158
2159 my $dirty;
2160
2161 sub db_sync() {
2162 db_save if $dirty;
2163 undef $dirty;
2164 }
2165
2166 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167 db_sync;
2168 }); 3204 };
3205 cf::cede_to_tick;
2169 3206
2170 sub db_dirty() {
2171 $dirty = 1;
2172 $idle->start;
2173 } 3207 {
3208 my $faces = $facedata->{faceinfo};
2174 3209
2175 sub db_get($;$) { 3210 while (my ($face, $info) = each %$faces) {
2176 @_ >= 2 3211 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177 ? $DB->{$_[0]}{$_[1]}
2178 : ($DB->{$_[0]} ||= { })
2179 }
2180 3212
2181 sub db_put($$;$) { 3213 cf::face::set_visibility $idx, $info->{visibility};
2182 if (@_ >= 3) { 3214 cf::face::set_magicmap $idx, $info->{magicmap};
2183 $DB->{$_[0]}{$_[1]} = $_[2]; 3215 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184 } else { 3216 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185 $DB->{$_[0]} = $_[1];
2186 }
2187 db_dirty;
2188 }
2189 3217
2190 cf::global->attach ( 3218 cf::cede_to_tick;
2191 prio => 10000,
2192 on_cleanup => sub {
2193 db_sync;
2194 }, 3219 }
2195 );
2196}
2197 3220
2198############################################################################# 3221 while (my ($face, $info) = each %$faces) {
2199# the server's main() 3222 next unless $info->{smooth};
2200 3223
2201sub cfg_load { 3224 my $idx = cf::face::find $face
3225 or next;
3226
3227 if (my $smooth = cf::face::find $info->{smooth}) {
3228 cf::face::set_smooth $idx, $smooth;
3229 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3230 } else {
3231 warn "smooth face '$info->{smooth}' not found for face '$face'";
3232 }
3233
3234 cf::cede_to_tick;
3235 }
3236 }
3237
3238 {
3239 my $anims = $facedata->{animinfo};
3240
3241 while (my ($anim, $info) = each %$anims) {
3242 cf::anim::set $anim, $info->{frames}, $info->{facings};
3243 cf::cede_to_tick;
3244 }
3245
3246 cf::anim::invalidate_all; # d'oh
3247 }
3248
3249 {
3250 # TODO: for gcfclient pleasure, we should give resources
3251 # that gcfclient doesn't grok a >10000 face index.
3252 my $res = $facedata->{resource};
3253
3254 while (my ($name, $info) = each %$res) {
3255 if (defined $info->{type}) {
3256 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257 my $data;
3258
3259 if ($info->{type} & 1) {
3260 # prepend meta info
3261
3262 my $meta = $enc->encode ({
3263 name => $name,
3264 %{ $info->{meta} || {} },
3265 });
3266
3267 $data = pack "(w/a*)*", $meta, $info->{data};
3268 } else {
3269 $data = $info->{data};
3270 }
3271
3272 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273 cf::face::set_type $idx, $info->{type};
3274 } else {
3275 $RESOURCE{$name} = $info;
3276 }
3277
3278 cf::cede_to_tick;
3279 }
3280 }
3281
3282 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283
3284 1
3285}
3286
3287cf::global->attach (on_resource_update => sub {
3288 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292 my $sound = $soundconf->{compat}[$_]
3293 or next;
3294
3295 my $face = cf::face::find "sound/$sound->[1]";
3296 cf::sound::set $sound->[0] => $face;
3297 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298 }
3299
3300 while (my ($k, $v) = each %{$soundconf->{event}}) {
3301 my $face = cf::face::find "sound/$v";
3302 cf::sound::set $k => $face;
3303 }
3304 }
3305});
3306
3307register_exticmd fx_want => sub {
3308 my ($ns, $want) = @_;
3309
3310 while (my ($k, $v) = each %$want) {
3311 $ns->fx_want ($k, $v);
3312 }
3313};
3314
3315sub load_resource_file($) {
3316 my $guard = lock_acquire "load_resource_file";
3317
3318 my $status = load_resource_file_ $_[0];
3319 get_slot 0.1, 100;
3320 cf::arch::commit_load;
3321
3322 $status
3323}
3324
3325sub reload_regions {
3326 # HACK to clear player env face cache, we need some signal framework
3327 # for this (global event?)
3328 %ext::player_env::MUSIC_FACE_CACHE = ();
3329
3330 load_resource_file "$MAPDIR/regions"
3331 or die "unable to load regions file\n";
3332
3333 for (cf::region::list) {
3334 $_->{match} = qr/$_->{match}/
3335 if exists $_->{match};
3336 }
3337}
3338
3339sub reload_facedata {
3340 load_facedata "$DATADIR/facedata"
3341 or die "unable to load facedata\n";
3342}
3343
3344sub reload_archetypes {
3345 load_resource_file "$DATADIR/archetypes"
3346 or die "unable to load archetypes\n";
3347}
3348
3349sub reload_treasures {
3350 load_resource_file "$DATADIR/treasures"
3351 or die "unable to load treasurelists\n";
3352}
3353
3354sub reload_resources {
3355 warn "reloading resource files...\n";
3356
3357 reload_facedata;
3358 reload_archetypes;
3359 reload_regions;
3360 reload_treasures;
3361
3362 warn "finished reloading resource files\n";
3363}
3364
3365sub reload_config {
2202 open my $fh, "<:utf8", cf::confdir . "/config" 3366 open my $fh, "<:utf8", "$CONFDIR/config"
2203 or return; 3367 or return;
2204 3368
2205 local $/; 3369 local $/;
2206 *CFG = YAML::Syck::Load <$fh>; 3370 *CFG = YAML::Load <$fh>;
2207 3371
2208 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3372 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209 3373
2210 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3374 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3375 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2217 }; 3381 };
2218 warn $@ if $@; 3382 warn $@ if $@;
2219 } 3383 }
2220} 3384}
2221 3385
3386sub pidfile() {
3387 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3388 or die "$PIDFILE: $!";
3389 flock $fh, &Fcntl::LOCK_EX
3390 or die "$PIDFILE: flock: $!";
3391 $fh
3392}
3393
3394# make sure only one server instance is running at any one time
3395sub atomic {
3396 my $fh = pidfile;
3397
3398 my $pid = <$fh>;
3399 kill 9, $pid if $pid > 0;
3400
3401 seek $fh, 0, 0;
3402 print $fh $$;
3403}
3404
2222sub main { 3405sub main {
3406 cf::init_globals; # initialise logging
3407
3408 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412
3413 cf::init_experience;
3414 cf::init_anim;
3415 cf::init_attackmess;
3416 cf::init_dynamic;
3417
3418 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3419
2223 # we must not ever block the main coroutine 3420 # we must not ever block the main coroutine
2224 local $Coro::idle = sub { 3421 local $Coro::idle = sub {
2225 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3422 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226 async { Event::one_event }; 3423 (async {
3424 $Coro::current->{desc} = "IDLE BUG HANDLER";
3425 EV::loop EV::LOOP_ONESHOT;
3426 })->prio (Coro::PRIO_MAX);
2227 }; 3427 };
2228 3428
2229 cfg_load; 3429 evthread_start IO::AIO::poll_fileno;
2230 db_load; 3430
3431 cf::sync_job {
3432 reload_resources;
3433 reload_config;
3434 db_init;
3435
3436 cf::load_settings;
3437 cf::load_materials;
3438 cf::init_uuid;
3439 cf::init_signals;
3440 cf::init_commands;
3441 cf::init_skills;
3442
3443 cf::init_beforeplay;
3444
3445 atomic;
3446
2231 load_extensions; 3447 load_extensions;
3448
3449 utime time, time, $RUNTIMEFILE;
3450
3451 # no (long-running) fork's whatsoever before this point(!)
3452 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3453
3454 (pop @POST_INIT)->(0) while @POST_INIT;
3455 };
3456
2232 Event::loop; 3457 EV::loop;
2233} 3458}
2234 3459
2235############################################################################# 3460#############################################################################
2236# initialisation and cleanup 3461# initialisation and cleanup
2237 3462
2238# install some emergency cleanup handlers 3463# install some emergency cleanup handlers
2239BEGIN { 3464BEGIN {
3465 our %SIGWATCHER = ();
2240 for my $signal (qw(INT HUP TERM)) { 3466 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal ( 3467 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2242 data => WF_AUTOCANCEL,
2243 signal => $signal,
2244 cb => sub {
2245 cf::cleanup "SIG$signal"; 3468 cf::cleanup "SIG$signal";
2246 },
2247 ); 3469 };
3470 }
3471}
3472
3473sub write_runtime_sync {
3474 # first touch the runtime file to show we are still running:
3475 # the fsync below can take a very very long time.
3476
3477 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3478
3479 my $guard = cf::lock_acquire "write_runtime";
3480
3481 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3482 or return;
3483
3484 my $value = $cf::RUNTIME + 90 + 10;
3485 # 10 is the runtime save interval, for a monotonic clock
3486 # 60 allows for the watchdog to kill the server.
3487
3488 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3489 and return;
3490
3491 # always fsync - this file is important
3492 aio_fsync $fh
3493 and return;
3494
3495 # touch it again to show we are up-to-date
3496 aio_utime $fh, undef, undef;
3497
3498 close $fh
3499 or return;
3500
3501 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3502 and return;
3503
3504 warn "runtime file written.\n";
3505
2248 } 3506 1
3507}
3508
3509our $uuid_lock;
3510our $uuid_skip;
3511
3512sub write_uuid_sync($) {
3513 $uuid_skip ||= $_[0];
3514
3515 return if $uuid_lock;
3516 local $uuid_lock = 1;
3517
3518 my $uuid = "$LOCALDIR/uuid";
3519
3520 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3521 or return;
3522
3523 my $value = uuid_seq uuid_cur;
3524
3525 unless ($value) {
3526 warn "cowardly refusing to write zero uuid value!\n";
3527 return;
3528 }
3529
3530 my $value = uuid_str $value + $uuid_skip;
3531 $uuid_skip = 0;
3532
3533 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3534 and return;
3535
3536 # always fsync - this file is important
3537 aio_fsync $fh
3538 and return;
3539
3540 close $fh
3541 or return;
3542
3543 aio_rename "$uuid~", $uuid
3544 and return;
3545
3546 warn "uuid file written ($value).\n";
3547
3548 1
3549
3550}
3551
3552sub write_uuid($$) {
3553 my ($skip, $sync) = @_;
3554
3555 $sync ? write_uuid_sync $skip
3556 : async { write_uuid_sync $skip };
2249} 3557}
2250 3558
2251sub emergency_save() { 3559sub emergency_save() {
2252 my $freeze_guard = cf::freeze_mainloop; 3560 my $freeze_guard = cf::freeze_mainloop;
2253 3561
2254 warn "enter emergency perl save\n"; 3562 warn "emergency_perl_save: enter\n";
2255 3563
2256 cf::sync_job { 3564 cf::sync_job {
3565 # this is a trade-off: we want to be very quick here, so
3566 # save all maps without fsync, and later call a global sync
3567 # (which in turn might be very very slow)
3568 local $USE_FSYNC = 0;
3569
2257 # use a peculiar iteration method to avoid tripping on perl 3570 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players 3571 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously. 3572 # and maps saved/destroyed asynchronously.
2260 warn "begin emergency player save\n"; 3573 warn "emergency_perl_save: begin player save\n";
2261 for my $login (keys %cf::PLAYER) { 3574 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next; 3575 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next; 3576 $pl->valid or next;
3577 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264 $pl->save; 3578 $pl->save;
2265 } 3579 }
2266 warn "end emergency player save\n"; 3580 warn "emergency_perl_save: end player save\n";
2267 3581
2268 warn "begin emergency map save\n"; 3582 warn "emergency_perl_save: begin map save\n";
2269 for my $path (keys %cf::MAP) { 3583 for my $path (keys %cf::MAP) {
2270 my $map = $cf::MAP{$path} or next; 3584 my $map = $cf::MAP{$path} or next;
2271 $map->valid or next; 3585 $map->valid or next;
2272 $map->save; 3586 $map->save;
2273 } 3587 }
2274 warn "end emergency map save\n"; 3588 warn "emergency_perl_save: end map save\n";
3589
3590 warn "emergency_perl_save: begin database checkpoint\n";
3591 BDB::db_env_txn_checkpoint $DB_ENV;
3592 warn "emergency_perl_save: end database checkpoint\n";
3593
3594 warn "emergency_perl_save: begin write uuid\n";
3595 write_uuid_sync 1;
3596 warn "emergency_perl_save: end write uuid\n";
2275 }; 3597 };
2276 3598
3599 warn "emergency_perl_save: starting sync()\n";
3600 IO::AIO::aio_sync sub {
3601 warn "emergency_perl_save: finished sync()\n";
3602 };
3603
2277 warn "leave emergency perl save\n"; 3604 warn "emergency_perl_save: leave\n";
2278} 3605}
2279 3606
3607sub post_cleanup {
3608 my ($make_core) = @_;
3609
3610 warn Carp::longmess "post_cleanup backtrace"
3611 if $make_core;
3612
3613 my $fh = pidfile;
3614 unlink $PIDFILE if <$fh> == $$;
3615}
3616
3617# a safer delete_package, copied from Symbol
3618sub clear_package($) {
3619 my $pkg = shift;
3620
3621 # expand to full symbol table name if needed
3622 unless ($pkg =~ /^main::.*::$/) {
3623 $pkg = "main$pkg" if $pkg =~ /^::/;
3624 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3625 $pkg .= '::' unless $pkg =~ /::$/;
3626 }
3627
3628 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3629 my $stem_symtab = *{$stem}{HASH};
3630
3631 defined $stem_symtab and exists $stem_symtab->{$leaf}
3632 or return;
3633
3634 # clear all symbols
3635 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3636 for my $name (keys %$leaf_symtab) {
3637 _gv_clear *{"$pkg$name"};
3638# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3639 }
3640 warn "cleared package $pkg\n";#d#
3641}
3642
2280sub reload() { 3643sub do_reload_perl() {
2281 # can/must only be called in main 3644 # can/must only be called in main
2282 if ($Coro::current != $Coro::main) { 3645 if ($Coro::current != $Coro::main) {
2283 warn "can only reload from main coroutine\n"; 3646 warn "can only reload from main coroutine";
2284 return; 3647 return;
2285 } 3648 }
2286 3649
3650 return if $RELOAD++;
3651
3652 my $t1 = EV::time;
3653
3654 while ($RELOAD) {
2287 warn "reloading..."; 3655 warn "reloading...";
2288 3656
2289 warn "freezing server"; 3657 warn "entering sync_job";
2290 my $guard = freeze_mainloop; 3658
3659 cf::sync_job {
3660 cf::write_runtime_sync; # external watchdog should not bark
2291 cf::emergency_save; 3661 cf::emergency_save;
3662 cf::write_runtime_sync; # external watchdog should not bark
2292 3663
2293 warn "sync database to disk"; 3664 warn "syncing database to disk";
2294 cf::db_sync; 3665 BDB::db_env_txn_checkpoint $DB_ENV;
2295 IO::AIO::flush;
2296 3666
2297 eval {
2298 # if anything goes wrong in here, we should simply crash as we already saved 3667 # if anything goes wrong in here, we should simply crash as we already saved
2299 3668
2300 warn "cancel all watchers"; 3669 warn "flushing outstanding aio requests";
2301 for (Event::all_watchers) { 3670 while (IO::AIO::nreqs || BDB::nreqs) {
2302 $_->cancel if $_->data & WF_AUTOCANCEL; 3671 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2303 }
2304
2305 warn "cancel all extension coros";
2306 $_->cancel for values %EXT_CORO;
2307 %EXT_CORO = ();
2308
2309 warn "remove commands";
2310 %COMMAND = ();
2311
2312 warn "remove ext commands";
2313 %EXTCMD = ();
2314
2315 warn "unload/nuke all extensions";
2316 for my $pkg (@EXTS) {
2317 warn "... unloading $pkg";
2318
2319 if (my $cb = $pkg->can ("unload")) {
2320 eval {
2321 $cb->($pkg);
2322 1
2323 } or warn "$pkg unloaded, but with errors: $@";
2324 } 3672 }
2325 3673
3674 warn "cancelling all extension coros";
3675 $_->cancel for values %EXT_CORO;
3676 %EXT_CORO = ();
3677
3678 warn "removing commands";
3679 %COMMAND = ();
3680
3681 warn "removing ext/exti commands";
3682 %EXTCMD = ();
3683 %EXTICMD = ();
3684
3685 warn "unloading/nuking all extensions";
3686 for my $pkg (@EXTS) {
2326 warn "... nuking $pkg"; 3687 warn "... unloading $pkg";
2327 Symbol::delete_package $pkg;
2328 }
2329 3688
2330 warn "unload all perl modules loaded from $LIBDIR";
2331 while (my ($k, $v) = each %INC) {
2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333
2334 warn "removing <$k>";
2335 delete $INC{$k};
2336
2337 $k =~ s/\.pm$//;
2338 $k =~ s/\//::/g;
2339
2340 if (my $cb = $k->can ("unload_module")) { 3689 if (my $cb = $pkg->can ("unload")) {
3690 eval {
2341 $cb->(); 3691 $cb->($pkg);
3692 1
3693 } or warn "$pkg unloaded, but with errors: $@";
3694 }
3695
3696 warn "... clearing $pkg";
3697 clear_package $pkg;
2342 } 3698 }
2343 3699
2344 Symbol::delete_package $k; 3700 warn "unloading all perl modules loaded from $LIBDIR";
3701 while (my ($k, $v) = each %INC) {
3702 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3703
3704 warn "... unloading $k";
3705 delete $INC{$k};
3706
3707 $k =~ s/\.pm$//;
3708 $k =~ s/\//::/g;
3709
3710 if (my $cb = $k->can ("unload_module")) {
3711 $cb->();
3712 }
3713
3714 clear_package $k;
2345 } 3715 }
2346 3716
2347 warn "get rid of safe::, as good as possible"; 3717 warn "getting rid of safe::, as good as possible";
2348 Symbol::delete_package "safe::$_" 3718 clear_package "safe::$_"
2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3719 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350 3720
2351 warn "unload cf.pm \"a bit\""; 3721 warn "unloading cf.pm \"a bit\"";
2352 delete $INC{"cf.pm"}; 3722 delete $INC{"cf.pm"};
3723 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2353 3724
2354 # don't, removes xs symbols, too, 3725 # don't, removes xs symbols, too,
2355 # and global variables created in xs 3726 # and global variables created in xs
2356 #Symbol::delete_package __PACKAGE__; 3727 #clear_package __PACKAGE__;
2357 3728
3729 warn "unload completed, starting to reload now";
3730
2358 warn "reloading cf.pm"; 3731 warn "reloading cf.pm";
2359 require cf; 3732 require cf;
2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3733 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361 3734
2362 warn "load config and database again"; 3735 warn "loading config and database again";
2363 cf::cfg_load; 3736 cf::reload_config;
2364 cf::db_load;
2365 3737
2366 warn "load extensions"; 3738 warn "loading extensions";
2367 cf::load_extensions; 3739 cf::load_extensions;
2368 3740
3741 if ($REATTACH_ON_RELOAD) {
2369 warn "reattach attachments to objects/players"; 3742 warn "reattaching attachments to objects/players";
2370 _global_reattach; 3743 _global_reattach; # objects, sockets
2371 warn "reattach attachments to maps"; 3744 warn "reattaching attachments to maps";
2372 reattach $_ for values %MAP; 3745 reattach $_ for values %MAP;
3746 warn "reattaching attachments to players";
3747 reattach $_ for values %PLAYER;
3748 }
3749
3750 warn "running post_init jobs";
3751 (pop @POST_INIT)->(1) while @POST_INIT;
3752
3753 warn "leaving sync_job";
3754
3755 1
3756 } or do {
3757 warn $@;
3758 cf::cleanup "error while reloading, exiting.";
3759 };
3760
3761 warn "reloaded";
3762 --$RELOAD;
3763 }
3764
3765 $t1 = EV::time - $t1;
3766 warn "reload completed in ${t1}s\n";
3767};
3768
3769our $RELOAD_WATCHER; # used only during reload
3770
3771sub reload_perl() {
3772 # doing reload synchronously and two reloads happen back-to-back,
3773 # coro crashes during coro_state_free->destroy here.
3774
3775 $RELOAD_WATCHER ||= cf::async {
3776 Coro::AIO::aio_wait cache_extensions;
3777
3778 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3779 do_reload_perl;
3780 undef $RELOAD_WATCHER;
3781 };
2373 }; 3782 };
2374 3783}
2375 if ($@) {
2376 warn $@;
2377 warn "error while reloading, exiting.";
2378 exit 1;
2379 }
2380
2381 warn "reloaded";
2382};
2383 3784
2384register_command "reload" => sub { 3785register_command "reload" => sub {
2385 my ($who, $arg) = @_; 3786 my ($who, $arg) = @_;
2386 3787
2387 if ($who->flag (FLAG_WIZ)) { 3788 if ($who->flag (FLAG_WIZ)) {
2388 $who->message ("start of reload.");
2389 reload;
2390 $who->message ("end of reload."); 3789 $who->message ("reloading server.");
3790 async {
3791 $Coro::current->{desc} = "perl_reload";
3792 reload_perl;
3793 };
2391 } 3794 }
2392}; 3795};
2393 3796
2394unshift @INC, $LIBDIR; 3797unshift @INC, $LIBDIR;
2395 3798
2396$TICK_WATCHER = Event->timer ( 3799my $bug_warning = 0;
2397 reentrant => 0,
2398 prio => 0,
2399 at => $NEXT_TICK || $TICK,
2400 data => WF_AUTOCANCEL,
2401 cb => sub {
2402 $NOW = Event::time;
2403 3800
3801our @WAIT_FOR_TICK;
3802our @WAIT_FOR_TICK_BEGIN;
3803
3804sub wait_for_tick {
3805 return if tick_inhibit || $Coro::current == $Coro::main;
3806
3807 my $signal = new Coro::Signal;
3808 push @WAIT_FOR_TICK, $signal;
3809 $signal->wait;
3810}
3811
3812sub wait_for_tick_begin {
3813 return if tick_inhibit || $Coro::current == $Coro::main;
3814
3815 my $signal = new Coro::Signal;
3816 push @WAIT_FOR_TICK_BEGIN, $signal;
3817 $signal->wait;
3818}
3819
3820sub tick {
3821 if ($Coro::current != $Coro::main) {
3822 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3823 unless ++$bug_warning > 10;
3824 return;
3825 }
3826
2404 cf::server_tick; # one server iteration 3827 cf::server_tick; # one server iteration
2405 $RUNTIME += $TICK;
2406 $NEXT_TICK += $TICK;
2407 3828
2408 $WAIT_FOR_TICK->broadcast; 3829 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3830 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410 3831 Coro::async_pool {
2411 # if we are delayed by four ticks or more, skip them all 3832 $Coro::current->{desc} = "runtime saver";
2412 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414 $TICK_WATCHER->at ($NEXT_TICK);
2415 $TICK_WATCHER->start;
2416 },
2417);
2418
2419IO::AIO::max_poll_time $TICK * 0.2;
2420
2421Event->io (
2422 fd => IO::AIO::poll_fileno,
2423 poll => 'r',
2424 prio => 5,
2425 data => WF_AUTOCANCEL,
2426 cb => \&IO::AIO::poll_cb,
2427);
2428
2429Event->timer (
2430 data => WF_AUTOCANCEL,
2431 after => 0,
2432 interval => 10,
2433 cb => sub {
2434 (Coro::unblock_sub {
2435 write_runtime 3833 write_runtime_sync
2436 or warn "ERROR: unable to write runtime file: $!"; 3834 or warn "ERROR: unable to write runtime file: $!";
2437 })->(); 3835 };
2438 }, 3836 }
2439); 3837
3838 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3839 $sig->send;
3840 }
3841 while (my $sig = shift @WAIT_FOR_TICK) {
3842 $sig->send;
3843 }
3844
3845 $LOAD = ($NOW - $TICK_START) / $TICK;
3846 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3847
3848 if (0) {
3849 if ($NEXT_TICK) {
3850 my $jitter = $TICK_START - $NEXT_TICK;
3851 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3852 warn "jitter $JITTER\n";#d#
3853 }
3854 }
3855}
3856
3857{
3858 # configure BDB
3859
3860 BDB::min_parallel 8;
3861 BDB::max_poll_reqs $TICK * 0.1;
3862 $AnyEvent::BDB::WATCHER->priority (1);
3863
3864 unless ($DB_ENV) {
3865 $DB_ENV = BDB::db_env_create;
3866 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3867 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3868 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3869 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3870 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3871
3872 cf::sync_job {
3873 eval {
3874 BDB::db_env_open
3875 $DB_ENV,
3876 $BDBDIR,
3877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3879 0666;
3880
3881 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3882 };
3883
3884 cf::cleanup "db_env_open(db): $@" if $@;
3885 };
3886 }
3887
3888 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3889 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3890 };
3891 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3892 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3893 };
3894 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3895 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3896 };
3897}
3898
3899{
3900 # configure IO::AIO
3901
3902 IO::AIO::min_parallel 8;
3903 IO::AIO::max_poll_time $TICK * 0.1;
3904 undef $AnyEvent::AIO::WATCHER;
3905}
3906
3907my $_log_backtrace;
3908
3909sub _log_backtrace {
3910 my ($msg, @addr) = @_;
3911
3912 $msg =~ s/\n//;
3913
3914 # limit the # of concurrent backtraces
3915 if ($_log_backtrace < 2) {
3916 ++$_log_backtrace;
3917 my $perl_bt = Carp::longmess $msg;
3918 async {
3919 $Coro::current->{desc} = "abt $msg";
3920
3921 my @bt = fork_call {
3922 @addr = map { sprintf "%x", $_ } @addr;
3923 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3924 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3925 or die "addr2line: $!";
3926
3927 my @funcs;
3928 my @res = <$fh>;
3929 chomp for @res;
3930 while (@res) {
3931 my ($func, $line) = splice @res, 0, 2, ();
3932 push @funcs, "[$func] $line";
3933 }
3934
3935 @funcs
3936 };
3937
3938 LOG llevInfo, "[ABT] $perl_bt\n";
3939 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3940 LOG llevInfo, "[ABT] $_\n" for @bt;
3941 --$_log_backtrace;
3942 };
3943 } else {
3944 LOG llevInfo, "[ABT] $msg\n";
3945 LOG llevInfo, "[ABT] [suppressed]\n";
3946 }
3947}
3948
3949# load additional modules
3950require "cf/$_.pm" for @EXTRA_MODULES;
2440 3951
2441END { cf::emergency_save } 3952END { cf::emergency_save }
2442 3953
24431 39541
2444 3955

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines