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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.479 by root, Thu Oct 8 05:04:27 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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
72
73# make sure c-lzf reinitialises itself
74Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
75Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
76
77# strictly for debugging
78$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 79
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 80sub 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 81
36our %COMMAND = (); 82our %COMMAND = ();
37our %COMMAND_TIME = (); 83our %COMMAND_TIME = ();
38 84
39our @EXTS = (); # list of extension package names 85our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 86our %EXTCMD = ();
87our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 88our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 89our %EXT_MAP = (); # pluggable maps
43 90
91our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 92our @EVENT;
45our $LIBDIR = datadir . "/ext"; 93our @REFLECT; # set by XS
94our %REFLECT; # set by us
46 95
47our $TICK = MAX_TIME * 1e-6; 96our $CONFDIR = confdir;
48our $TICK_WATCHER; 97our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 98our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 99our $PODDIR = "$DATADIR/pod";
100our $MAPDIR = "$DATADIR/" . mapdir;
101our $LOCALDIR = localdir;
102our $TMPDIR = "$LOCALDIR/" . tmpdir;
103our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
104our $PLAYERDIR = "$LOCALDIR/" . playerdir;
105our $RANDOMDIR = "$LOCALDIR/random";
106our $BDBDIR = "$LOCALDIR/db";
107our $PIDFILE = "$LOCALDIR/pid";
108our $RUNTIMEFILE = "$LOCALDIR/runtime";
109
110our %RESOURCE;
111
112our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
113our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 114our $NEXT_TICK;
52our $NOW; 115our $USE_FSYNC = 1; # use fsync to write maps - default on
116
117our $BDB_DEADLOCK_WATCHER;
118our $BDB_CHECKPOINT_WATCHER;
119our $BDB_TRICKLE_WATCHER;
120our $DB_ENV;
121
122our @EXTRA_MODULES = qw(pod mapscript);
53 123
54our %CFG; 124our %CFG;
55 125
56our $UPTIME; $UPTIME ||= time; 126our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 127our $RUNTIME;
128our $NOW;
58 129
59our %PLAYER; # all users 130our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 131our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 132our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 133
67# used to convert map paths into valid unix filenames by replacing / by ∕ 134# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 135our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 136
137our $LOAD; # a number between 0 (idle) and 1 (too many objects)
138our $LOADAVG; # same thing, but with alpha-smoothing
139our $JITTER; # average jitter
140our $TICK_START; # for load detecting purposes
141
142our @POST_INIT;
143
144our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
145our $REALLY_UNLOOP; # never set to true, please :)
146
70binmode STDOUT; 147binmode STDOUT;
71binmode STDERR; 148binmode STDERR;
72 149
73# read virtual server time, if available 150# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 151unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 152 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 153 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 154 $RUNTIME = <$fh> + 0.;
78} 155}
79 156
80mkdir cf::localdir; 157eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 158
82mkdir cf::localdir . "/" . cf::tmpdir; 159mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 160 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 161
86our $EMERGENCY_POSITION; 162our $EMERGENCY_POSITION;
163
164sub cf::map::normalise;
165
166#############################################################################
167
168%REFLECT = ();
169for (@REFLECT) {
170 my $reflect = JSON::XS::decode_json $_;
171 $REFLECT{$reflect->{class}} = $reflect;
172}
87 173
88############################################################################# 174#############################################################################
89 175
90=head2 GLOBAL VARIABLES 176=head2 GLOBAL VARIABLES
91 177
… …
98=item $cf::RUNTIME 184=item $cf::RUNTIME
99 185
100The time this server has run, starts at 0 and is increased by $cf::TICK on 186The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 187every server tick.
102 188
103=item $cf::LIBDIR 189=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
190$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
191$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 192
105The perl library directory, where extensions and cf-specific modules can 193Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 194directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
195unique-items directory, player file directory, random maps directory and
196database environment.
107 197
108=item $cf::NOW 198=item $cf::NOW
109 199
110The time of the last (current) server tick. 200The time of the last (current) server tick.
111 201
112=item $cf::TICK 202=item $cf::TICK
113 203
114The interval between server ticks, in seconds. 204The interval between server ticks, in seconds.
115 205
206=item $cf::LOADAVG
207
208The current CPU load on the server (alpha-smoothed), as a value between 0
209(none) and 1 (overloaded), indicating how much time is spent on processing
210objects per tick. Healthy values are < 0.5.
211
212=item $cf::LOAD
213
214The raw value load value from the last tick.
215
116=item %cf::CFG 216=item %cf::CFG
117 217
118Configuration for the server, loaded from C</etc/crossfire/config>, or 218Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 219from wherever your confdir points to.
120 220
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 221=item cf::wait_for_tick, cf::wait_for_tick_begin
122 222
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 223These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 224returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 225per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 226
227=item @cf::INVOKE_RESULTS
228
229This array contains the results of the last C<invoke ()> call. When
230C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
231that call.
232
233=item %cf::REFLECT
234
235Contains, for each (C++) class name, a hash reference with information
236about object members (methods, scalars and arrays) and other metadata,
237which is useful for introspection.
127 238
128=back 239=back
129 240
130=cut 241=cut
131 242
132BEGIN { 243$Coro::State::WARNHOOK = sub {
133 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 244 my $msg = join "", @_;
135 utf8::encode $msg;
136 245
137 $msg .= "\n" 246 $msg .= "\n"
138 unless $msg =~ /\n$/; 247 unless $msg =~ /\n$/;
139 248
249 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
250
140 LOG llevError, $msg; 251 LOG llevError, $msg;
141 }; 252};
142} 253
254$Coro::State::DIEHOOK = sub {
255 return unless $^S eq 0; # "eq", not "=="
256
257 warn Carp::longmess $_[0];
258
259 if ($Coro::current == $Coro::main) {#d#
260 warn "DIEHOOK called in main context, Coro bug?\n";#d#
261 return;#d#
262 }#d#
263
264 # kill coroutine otherwise
265 Coro::terminate
266};
143 267
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 268@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 269@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 270@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 271@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 272@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
273@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 274@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 275
151# we bless all objects into (empty) derived classes to force a method lookup 276# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 277# within the Safe compartment.
153for my $pkg (qw( 278for my $pkg (qw(
154 cf::global cf::attachable 279 cf::global cf::attachable
155 cf::object cf::object::player 280 cf::object cf::object::player
156 cf::client cf::player 281 cf::client cf::player
157 cf::arch cf::living 282 cf::arch cf::living
283 cf::map cf::mapspace
158 cf::map cf::party cf::region 284 cf::party cf::region
159)) { 285)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 286 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 287}
163 288
164$Event::DIED = sub { 289$EV::DIED = sub {
165 warn "error in event callback: @_"; 290 warn "error in event callback: @_";
166}; 291};
292
293#############################################################################
167 294
168=head2 UTILITY FUNCTIONS 295=head2 UTILITY FUNCTIONS
169 296
170=over 4 297=over 4
171 298
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 317 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 318 $d
192 } || "[unable to dump $_[0]: '$@']"; 319 } || "[unable to dump $_[0]: '$@']";
193} 320}
194 321
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 322=item $ref = cf::decode_json $json
198 323
199Converts a JSON string into the corresponding perl data structure. 324Converts a JSON string into the corresponding perl data structure.
200 325
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 326=item $json = cf::encode_json $ref
209 327
210Converts a perl data structure into its JSON representation. 328Converts a perl data structure into its JSON representation.
211 329
212=cut 330=cut
213 331
214sub to_json($) { 332our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 333
216 JSON::Syck::Dump $_[0] 334sub encode_json($) { $json_coder->encode ($_[0]) }
335sub decode_json($) { $json_coder->decode ($_[0]) }
336
337=item cf::post_init { BLOCK }
338
339Execute the given codeblock, I<after> all extensions have been (re-)loaded,
340but I<before> the server starts ticking again.
341
342The cdoeblock will have a single boolean argument to indicate whether this
343is a reload or not.
344
345=cut
346
347sub post_init(&) {
348 push @POST_INIT, shift;
217} 349}
218 350
219=item cf::lock_wait $string 351=item cf::lock_wait $string
220 352
221Wait until the given lock is available. See cf::lock_acquire. 353Wait until the given lock is available. See cf::lock_acquire.
222 354
223=item my $lock = cf::lock_acquire $string 355=item my $lock = cf::lock_acquire $string
224 356
225Wait until the given lock is available and then acquires it and returns 357Wait until the given lock is available and then acquires it and returns
226a Coro::guard object. If the guard object gets destroyed (goes out of scope, 358a L<Guard> object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 359for example when the coroutine gets canceled), the lock is automatically
228returned. 360returned.
229 361
362Locks are *not* recursive, locking from the same coro twice results in a
363deadlocked coro.
364
230Lock names should begin with a unique identifier (for example, cf::map::find 365Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 366uses map_find and cf::map::load uses map_load).
232 367
233=cut 368=item $locked = cf::lock_active $string
234 369
235our %LOCK; 370Return true if the lock is currently active, i.e. somebody has locked it.
371
372=cut
373
374our $LOCKS = new Coro::SemaphoreSet;
236 375
237sub lock_wait($) { 376sub lock_wait($) {
238 my ($key) = @_; 377 $LOCKS->wait ($_[0]);
239
240 # wait for lock, if any
241 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule;
244 }
245} 378}
246 379
247sub lock_acquire($) { 380sub lock_acquire($) {
248 my ($key) = @_; 381 $LOCKS->guard ($_[0])
382}
249 383
250 # wait, to be sure we are not locked 384sub lock_active($) {
251 lock_wait $key; 385 $LOCKS->count ($_[0]) < 1
252
253 $LOCK{$key} = [];
254
255 Coro::guard {
256 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} };
258 }
259} 386}
260 387
261sub freeze_mainloop { 388sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 389 tick_inhibit_inc;
263 390
264 my $guard = Coro::guard { 391 &Guard::guard (\&tick_inhibit_dec);
265 $TICK_WATCHER->start; 392}
266 $WRITE_RUNTIME_WATCHER->start; 393
394=item cf::periodic $interval, $cb
395
396Like EV::periodic, but randomly selects a starting point so that the actions
397get spread over timer.
398
399=cut
400
401sub periodic($$) {
402 my ($interval, $cb) = @_;
403
404 my $start = rand List::Util::min 180, $interval;
405
406 EV::periodic $start, $interval, 0, $cb
407}
408
409=item cf::get_slot $time[, $priority[, $name]]
410
411Allocate $time seconds of blocking CPU time at priority C<$priority>:
412This call blocks and returns only when you have at least C<$time> seconds
413of cpu time till the next tick. The slot is only valid till the next cede.
414
415The optional C<$name> can be used to identify the job to run. It might be
416used for statistical purposes and should identify the same time-class.
417
418Useful for short background jobs.
419
420=cut
421
422our @SLOT_QUEUE;
423our $SLOT_QUEUE;
424
425$SLOT_QUEUE->cancel if $SLOT_QUEUE;
426$SLOT_QUEUE = Coro::async {
427 $Coro::current->desc ("timeslot manager");
428
429 my $signal = new Coro::Signal;
430
431 while () {
432 next_job:
433 my $avail = cf::till_tick;
434 if ($avail > 0.01) {
435 for (0 .. $#SLOT_QUEUE) {
436 if ($SLOT_QUEUE[$_][0] < $avail) {
437 my $job = splice @SLOT_QUEUE, $_, 1, ();
438 $job->[2]->send;
439 Coro::cede;
440 goto next_job;
441 }
442 }
443 }
444
445 if (@SLOT_QUEUE) {
446 # we do not use wait_for_tick() as it returns immediately when tick is inactive
447 push @cf::WAIT_FOR_TICK, $signal;
448 $signal->wait;
449 } else {
450 Coro::schedule;
451 }
267 }; 452 }
268 $WRITE_RUNTIME_WATCHER->stop; 453};
269 $TICK_WATCHER->stop; 454
270 $guard 455sub get_slot($;$$) {
456 return if tick_inhibit || $Coro::current == $Coro::main;
457
458 my ($time, $pri, $name) = @_;
459
460 $time = $TICK * .6 if $time > $TICK * .6;
461 my $sig = new Coro::Signal;
462
463 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
464 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
465 $SLOT_QUEUE->ready;
466 $sig->wait;
271} 467}
272 468
273=item cf::async { BLOCK } 469=item cf::async { BLOCK }
274 470
275Currently the same as Coro::async_pool, meaning you cannot use 471Currently the same as Coro::async_pool, meaning you cannot use
… …
280 476
281BEGIN { *async = \&Coro::async_pool } 477BEGIN { *async = \&Coro::async_pool }
282 478
283=item cf::sync_job { BLOCK } 479=item cf::sync_job { BLOCK }
284 480
285The design of crossfire+ requires that the main coro ($Coro::main) is 481The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 482is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 483partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
484acceptable.
288 485
289If it must be done, put the blocking parts into C<sync_job>. This will run 486If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 487the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 488server will be frozen during this time, so the block should either finish
292fast or be very important. 489fast or be very important.
… …
295 492
296sub sync_job(&) { 493sub sync_job(&) {
297 my ($job) = @_; 494 my ($job) = @_;
298 495
299 if ($Coro::current == $Coro::main) { 496 if ($Coro::current == $Coro::main) {
497 my $time = EV::time;
498
300 # this is the main coro, too bad, we have to block 499 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 500 # till the operation succeeds, freezing the server :/
302 501
303 # TODO: use suspend/resume instead 502 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 503
305 my $freeze_guard = freeze_mainloop; 504 my $freeze_guard = freeze_mainloop;
306 505
307 my $busy = 1; 506 my $busy = 1;
308 my @res; 507 my @res;
309 508
310 (async { 509 (async {
510 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 511 @res = eval { $job->() };
312 warn $@ if $@; 512 warn $@ if $@;
313 undef $busy; 513 undef $busy;
314 })->prio (Coro::PRIO_MAX); 514 })->prio (Coro::PRIO_MAX);
315 515
316 while ($busy) { 516 while ($busy) {
317 Coro::cede or Event::one_event; 517 if (Coro::nready) {
518 Coro::cede_notself;
519 } else {
520 EV::loop EV::LOOP_ONESHOT;
318 } 521 }
522 }
523
524 my $time = EV::time - $time;
525
526 $TICK_START += $time; # do not account sync jobs to server load
319 527
320 wantarray ? @res : $res[0] 528 wantarray ? @res : $res[0]
321 } else { 529 } else {
322 # we are in another coroutine, how wonderful, everything just works 530 # we are in another coroutine, how wonderful, everything just works
323 531
… …
343 $EXT_CORO{$coro+0} = $coro; 551 $EXT_CORO{$coro+0} = $coro;
344 552
345 $coro 553 $coro
346} 554}
347 555
348sub write_runtime { 556=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 557
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 558Executes the given code block with the given arguments in a seperate
352 or return; 559process, returning the results. Everything must be serialisable with
560Coro::Storable. May, of course, block. Note that the executed sub may
561never block itself or use any form of event handling.
353 562
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 563=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 564
358 aio_fsync $fh 565sub fork_call(&@) {
359 and return; 566 my ($cb, @args) = @_;
360 567
361 close $fh 568 # we seemingly have to make a local copy of the whole thing,
362 or return; 569 # otherwise perl prematurely frees the stuff :/
570 # TODO: investigate and fix (likely this will be rather laborious)
363 571
364 aio_rename "$runtime~", $runtime 572 my @res = Coro::Util::fork_eval {
365 and return; 573 reset_signals;
574 &$cb
575 }, @args;
366 576
577 wantarray ? @res : $res[-1]
578}
579
580=item $coin = coin_from_name $name
581
582=cut
583
584our %coin_alias = (
585 "silver" => "silvercoin",
586 "silvercoin" => "silvercoin",
587 "silvercoins" => "silvercoin",
588 "gold" => "goldcoin",
589 "goldcoin" => "goldcoin",
590 "goldcoins" => "goldcoin",
591 "platinum" => "platinacoin",
592 "platinumcoin" => "platinacoin",
593 "platinumcoins" => "platinacoin",
594 "platina" => "platinacoin",
595 "platinacoin" => "platinacoin",
596 "platinacoins" => "platinacoin",
597 "royalty" => "royalty",
598 "royalties" => "royalty",
599);
600
601sub coin_from_name($) {
602 $coin_alias{$_[0]}
603 ? cf::arch::find $coin_alias{$_[0]}
604 : undef
605}
606
607=item $value = cf::db_get $family => $key
608
609Returns a single value from the environment database.
610
611=item cf::db_put $family => $key => $value
612
613Stores the given C<$value> in the family. It can currently store binary
614data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
615
616=item $db = cf::db_table "name"
617
618Create and/or open a new database table. The string must not be "db" and must be unique
619within each server.
620
621=cut
622
623sub db_table($) {
624 my ($name) = @_;
625 my $db = BDB::db_create $DB_ENV;
626
627 eval {
628 $db->set_flags (BDB::CHKSUM);
629
630 utf8::encode $name;
631 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
632 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
633 cf::cleanup "db_open(db): $!" if $!;
634 };
635 cf::cleanup "db_open(db): $@" if $@;
636
637 $db
638}
639
640our $DB;
641
642sub db_init {
643 cf::sync_job {
644 $DB ||= db_table "db";
645 };
646}
647
648sub db_get($$) {
649 my $key = "$_[0]/$_[1]";
650
651 cf::sync_job {
652 BDB::db_get $DB, undef, $key, my $data;
653
654 $! ? ()
655 : $data
367 1 656 }
657}
658
659sub db_put($$$) {
660 BDB::dbreq_pri 4;
661 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
662}
663
664=item cf::cache $id => [$paths...], $processversion => $process
665
666Generic caching function that returns the value of the resource $id,
667caching and regenerating as required.
668
669This function can block.
670
671=cut
672
673sub cache {
674 my ($id, $src, $processversion, $process) = @_;
675
676 my $meta =
677 join "\x00",
678 $processversion,
679 map {
680 aio_stat $_
681 and Carp::croak "$_: $!";
682
683 ($_, (stat _)[7,9])
684 } @$src;
685
686 my $dbmeta = db_get cache => "$id/meta";
687 if ($dbmeta ne $meta) {
688 # changed, we may need to process
689
690 my @data;
691 my $md5;
692
693 for (0 .. $#$src) {
694 0 <= aio_load $src->[$_], $data[$_]
695 or Carp::croak "$src->[$_]: $!";
696 }
697
698 # if processing is expensive, check
699 # checksum first
700 if (1) {
701 $md5 =
702 join "\x00",
703 $processversion,
704 map {
705 cf::cede_to_tick;
706 ($src->[$_], Digest::MD5::md5_hex $data[$_])
707 } 0.. $#$src;
708
709
710 my $dbmd5 = db_get cache => "$id/md5";
711 if ($dbmd5 eq $md5) {
712 db_put cache => "$id/meta", $meta;
713
714 return db_get cache => "$id/data";
715 }
716 }
717
718 my $t1 = Time::HiRes::time;
719 my $data = $process->(\@data);
720 my $t2 = Time::HiRes::time;
721
722 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
723
724 db_put cache => "$id/data", $data;
725 db_put cache => "$id/md5" , $md5;
726 db_put cache => "$id/meta", $meta;
727
728 return $data;
729 }
730
731 db_get cache => "$id/data"
732}
733
734=item cf::datalog type => key => value, ...
735
736Log a datalog packet of the given type with the given key-value pairs.
737
738=cut
739
740sub datalog($@) {
741 my ($type, %kv) = @_;
742 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 743}
369 744
370=back 745=back
371 746
372=cut 747=cut
373 748
374############################################################################# 749#############################################################################
375 750
376=head2 ATTACHABLE OBJECTS 751=head2 ATTACHABLE OBJECTS
377 752
378Many objects in crossfire are so-called attachable objects. That means you can 753Many objects in deliantra are so-called attachable objects. That means you can
379attach callbacks/event handlers (a collection of which is called an "attachment") 754attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 755to it. All such attachable objects support the following methods.
381 756
382In the following description, CLASS can be any of C<global>, C<object> 757In the following description, CLASS can be any of C<global>, C<object>
383C<player>, C<client> or C<map> (i.e. the attachable objects in 758C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 759Deliantra).
385 760
386=over 4 761=over 4
387 762
388=item $attachable->attach ($attachment, key => $value...) 763=item $attachable->attach ($attachment, key => $value...)
389 764
… …
433=item cf::CLASS::attachment $name, ... 808=item cf::CLASS::attachment $name, ...
434 809
435Register an attachment by C<$name> through which attachable objects of the 810Register an attachment by C<$name> through which attachable objects of the
436given CLASS can refer to this attachment. 811given CLASS can refer to this attachment.
437 812
438Some classes such as crossfire maps and objects can specify attachments 813Some classes such as deliantra maps and objects can specify attachments
439that are attached at load/instantiate time, thus the need for a name. 814that are attached at load/instantiate time, thus the need for a name.
440 815
441These calls expect any number of the following handler/hook descriptions: 816These calls expect any number of the following handler/hook descriptions:
442 817
443=over 4 818=over 4
… …
503our @CB_TYPE = (); # registry for type (cf-object class) based events 878our @CB_TYPE = (); # registry for type (cf-object class) based events
504our @CB_MAP = (); 879our @CB_MAP = ();
505 880
506my %attachment; 881my %attachment;
507 882
883sub cf::attachable::thawer_merge {
884 # simply override everything except _meta
885 local $_[0]{_meta};
886 %{$_[0]} = %{$_[1]};
887}
888
508sub _attach_cb($$$$) { 889sub _attach_cb($$$$) {
509 my ($registry, $event, $prio, $cb) = @_; 890 my ($registry, $event, $prio, $cb) = @_;
510 891
511 use sort 'stable'; 892 use sort 'stable';
512 893
… …
546 $registry = $CB_TYPE[$object_type] ||= []; 927 $registry = $CB_TYPE[$object_type] ||= [];
547 928
548 } elsif ($type eq "subtype") { 929 } elsif ($type eq "subtype") {
549 defined $object_type or Carp::croak "subtype specified without type"; 930 defined $object_type or Carp::croak "subtype specified without type";
550 my $object_subtype = shift @arg; 931 my $object_subtype = shift @arg;
551 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 932 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552 933
553 } elsif ($type eq "package") { 934 } elsif ($type eq "package") {
554 my $pkg = shift @arg; 935 my $pkg = shift @arg;
555 936
556 while (my ($name, $id) = each %cb_id) { 937 while (my ($name, $id) = each %cb_id) {
… …
585 _attach $registry, $klass, @attach; 966 _attach $registry, $klass, @attach;
586 } 967 }
587 968
588 $obj->{$name} = \%arg; 969 $obj->{$name} = \%arg;
589 } else { 970 } else {
590 warn "object uses attachment '$name' that is not available, postponing.\n"; 971 warn "object uses attachment '$name' which is not available, postponing.\n";
591 } 972 }
592 973
593 $obj->{_attachment}{$name} = undef; 974 $obj->{_attachment}{$name} = undef;
594} 975}
595 976
… …
597 if (ref $_[0]) { 978 if (ref $_[0]) {
598 _object_attach @_; 979 _object_attach @_;
599 } else { 980 } else {
600 _attach shift->_attach_registry, @_; 981 _attach shift->_attach_registry, @_;
601 } 982 }
983 _recalc_want;
602}; 984};
603 985
604# all those should be optimised 986# all those should be optimised
605sub cf::attachable::detach { 987sub cf::attachable::detach {
606 my ($obj, $name) = @_; 988 my ($obj, $name) = @_;
… …
609 delete $obj->{_attachment}{$name}; 991 delete $obj->{_attachment}{$name};
610 reattach ($obj); 992 reattach ($obj);
611 } else { 993 } else {
612 Carp::croak "cannot, currently, detach class attachments"; 994 Carp::croak "cannot, currently, detach class attachments";
613 } 995 }
996 _recalc_want;
614}; 997};
615 998
616sub cf::attachable::attached { 999sub cf::attachable::attached {
617 my ($obj, $name) = @_; 1000 my ($obj, $name) = @_;
618 1001
… …
633 "; 1016 ";
634 die if $@; 1017 die if $@;
635} 1018}
636 1019
637our $override; 1020our $override;
638our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1021our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639 1022
640sub override { 1023sub override {
641 $override = 1; 1024 $override = 1;
642 @invoke_results = (); 1025 @INVOKE_RESULTS = (@_);
643} 1026}
644 1027
645sub do_invoke { 1028sub do_invoke {
646 my $event = shift; 1029 my $event = shift;
647 my $callbacks = shift; 1030 my $callbacks = shift;
648 1031
649 @invoke_results = (); 1032 @INVOKE_RESULTS = ();
650 1033
651 local $override; 1034 local $override;
652 1035
653 for (@$callbacks) { 1036 for (@$callbacks) {
654 eval { &{$_->[1]} }; 1037 eval { &{$_->[1]} };
… …
663 } 1046 }
664 1047
665 0 1048 0
666} 1049}
667 1050
668=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1051=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669 1052
670=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1053=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671 1054
672Generate an object-specific event with the given arguments. 1055Generate an object-specific event with the given arguments.
673 1056
674This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1057This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675removed in future versions), and there is no public API to access override 1058removed in future versions), and there is no public API to access override
676results (if you must, access C<@cf::invoke_results> directly). 1059results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677 1060
678=back 1061=back
679 1062
680=cut 1063=cut
681 1064
682############################################################################# 1065#############################################################################
683# object support 1066# object support
1067
1068sub _object_equal($$);
1069sub _object_equal($$) {
1070 my ($a, $b) = @_;
1071
1072 return 0 unless (ref $a) eq (ref $b);
1073
1074 if ("HASH" eq ref $a) {
1075 my @ka = keys %$a;
1076 my @kb = keys %$b;
1077
1078 return 0 if @ka != @kb;
1079
1080 for (0 .. $#ka) {
1081 return 0 unless $ka[$_] eq $kb[$_];
1082 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1083 }
1084
1085 } elsif ("ARRAY" eq ref $a) {
1086
1087 return 0 if @$a != @$b;
1088
1089 for (0 .. $#$a) {
1090 return 0 unless _object_equal $a->[$_], $b->[$_];
1091 }
1092
1093 } elsif ($a ne $b) {
1094 return 0;
1095 }
1096
1097 1
1098}
1099
1100our $SLOW_MERGES;#d#
1101sub _can_merge {
1102 my ($ob1, $ob2) = @_;
1103
1104 ++$SLOW_MERGES;#d#
1105
1106 # we do the slow way here
1107 return _object_equal $ob1, $ob2
1108}
684 1109
685sub reattach { 1110sub reattach {
686 # basically do the same as instantiate, without calling instantiate 1111 # basically do the same as instantiate, without calling instantiate
687 my ($obj) = @_; 1112 my ($obj) = @_;
1113
1114 # no longer needed after getting rid of delete_package?
1115 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688 1116
689 my $registry = $obj->registry; 1117 my $registry = $obj->registry;
690 1118
691 @$registry = (); 1119 @$registry = ();
692 1120
… …
707cf::attachable->attach ( 1135cf::attachable->attach (
708 prio => -1000000, 1136 prio => -1000000,
709 on_instantiate => sub { 1137 on_instantiate => sub {
710 my ($obj, $data) = @_; 1138 my ($obj, $data) = @_;
711 1139
712 $data = from_json $data; 1140 $data = decode_json $data;
713 1141
714 for (@$data) { 1142 for (@$data) {
715 my ($name, $args) = @$_; 1143 my ($name, $args) = @$_;
716 1144
717 $obj->attach ($name, %{$args || {} }); 1145 $obj->attach ($name, %{$args || {} });
… …
733sub object_freezer_save { 1161sub object_freezer_save {
734 my ($filename, $rdata, $objs) = @_; 1162 my ($filename, $rdata, $objs) = @_;
735 1163
736 sync_job { 1164 sync_job {
737 if (length $$rdata) { 1165 if (length $$rdata) {
1166 utf8::decode (my $decname = $filename);
738 warn sprintf "saving %s (%d,%d)\n", 1167 warn sprintf "saving %s (%d,%d)\n",
739 $filename, length $$rdata, scalar @$objs; 1168 $decname, length $$rdata, scalar @$objs;
740 1169
741 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1170 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742 chmod SAVE_MODE, $fh; 1171 aio_chmod $fh, SAVE_MODE;
743 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1172 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1173 if ($cf::USE_FSYNC) {
1174 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;
744 aio_fsync $fh; 1175 aio_fsync $fh;
1176 }
745 close $fh; 1177 aio_close $fh;
746 1178
747 if (@$objs) { 1179 if (@$objs) {
748 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1180 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749 chmod SAVE_MODE, $fh; 1181 aio_chmod $fh, SAVE_MODE;
750 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1182 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
751 aio_write $fh, 0, (length $data), $data, 0; 1183 aio_write $fh, 0, (length $data), $data, 0;
1184 if ($cf::USE_FSYNC) {
1185 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;
752 aio_fsync $fh; 1186 aio_fsync $fh;
1187 }
753 close $fh; 1188 aio_close $fh;
754 aio_rename "$filename.pst~", "$filename.pst"; 1189 aio_rename "$filename.pst~", "$filename.pst";
755 } 1190 }
756 } else { 1191 } else {
757 aio_unlink "$filename.pst"; 1192 aio_unlink "$filename.pst";
758 } 1193 }
759 1194
760 aio_rename "$filename~", $filename; 1195 aio_rename "$filename~", $filename;
1196
1197 $filename =~ s%/[^/]+$%%;
1198 aio_pathsync $filename if $cf::USE_FSYNC;
761 } else { 1199 } else {
762 warn "FATAL: $filename~: $!\n"; 1200 warn "unable to save objects: $filename~: $!\n";
763 } 1201 }
764 } else { 1202 } else {
765 aio_unlink $filename; 1203 aio_unlink $filename;
766 aio_unlink "$filename.pst"; 1204 aio_unlink "$filename.pst";
767 } 1205 }
768 } 1206 };
769} 1207}
770 1208
771sub object_freezer_as_string { 1209sub object_freezer_as_string {
772 my ($rdata, $objs) = @_; 1210 my ($rdata, $objs) = @_;
773 1211
… …
785 or return; 1223 or return;
786 1224
787 unless (aio_stat "$filename.pst") { 1225 unless (aio_stat "$filename.pst") {
788 (aio_load "$filename.pst", $av) >= 0 1226 (aio_load "$filename.pst", $av) >= 0
789 or return; 1227 or return;
1228
790 $av = eval { (Storable::thaw $av)->{objs} }; 1229 my $st = eval { Coro::Storable::thaw $av };
1230 $av = $st->{objs};
791 } 1231 }
792 1232
1233 utf8::decode (my $decname = $filename);
793 warn sprintf "loading %s (%d)\n", 1234 warn sprintf "loading %s (%d,%d)\n",
794 $filename, length $data, scalar @{$av || []};#d# 1235 $decname, length $data, scalar @{$av || []};
1236
795 return ($data, $av); 1237 ($data, $av)
796} 1238}
1239
1240=head2 COMMAND CALLBACKS
1241
1242=over 4
1243
1244=cut
797 1245
798############################################################################# 1246#############################################################################
799# command handling &c 1247# command handling &c
800 1248
801=item cf::register_command $name => \&callback($ob,$args); 1249=item cf::register_command $name => \&callback($ob,$args);
… …
814 push @{ $COMMAND{$name} }, [$caller, $cb]; 1262 push @{ $COMMAND{$name} }, [$caller, $cb];
815} 1263}
816 1264
817=item cf::register_extcmd $name => \&callback($pl,$packet); 1265=item cf::register_extcmd $name => \&callback($pl,$packet);
818 1266
819Register a callbackf ro execution when the client sends an extcmd packet. 1267Register a callback for execution when the client sends an (synchronous)
1268extcmd packet. Ext commands will be processed in the order they are
1269received by the server, like other user commands. The first argument is
1270the logged-in player. Ext commands can only be processed after a player
1271has logged in successfully.
820 1272
821If the callback returns something, it is sent back as if reply was being 1273If the callback returns something, it is sent back as if reply was being
822called. 1274called.
823 1275
1276=item cf::register_exticmd $name => \&callback($ns,$packet);
1277
1278Register a callback for execution when the client sends an (asynchronous)
1279exticmd packet. Exti commands are processed by the server as soon as they
1280are received, i.e. out of order w.r.t. other commands. The first argument
1281is a client socket. Exti commands can be received anytime, even before
1282log-in.
1283
1284If the callback returns something, it is sent back as if reply was being
1285called.
1286
824=cut 1287=cut
825 1288
826sub register_extcmd { 1289sub register_extcmd {
827 my ($name, $cb) = @_; 1290 my ($name, $cb) = @_;
828 1291
829 $EXTCMD{$name} = $cb; 1292 $EXTCMD{$name} = $cb;
830} 1293}
1294
1295sub register_exticmd {
1296 my ($name, $cb) = @_;
1297
1298 $EXTICMD{$name} = $cb;
1299}
1300
1301use File::Glob ();
831 1302
832cf::player->attach ( 1303cf::player->attach (
833 on_command => sub { 1304 on_command => sub {
834 my ($pl, $name, $params) = @_; 1305 my ($pl, $name, $params) = @_;
835 1306
… …
843 cf::override; 1314 cf::override;
844 }, 1315 },
845 on_extcmd => sub { 1316 on_extcmd => sub {
846 my ($pl, $buf) = @_; 1317 my ($pl, $buf) = @_;
847 1318
848 my $msg = eval { from_json $buf }; 1319 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849 1320
850 if (ref $msg) { 1321 if (ref $msg) {
1322 my ($type, $reply, @payload) =
1323 "ARRAY" eq ref $msg
1324 ? @$msg
1325 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1326
1327 my @reply;
1328
851 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1329 if (my $cb = $EXTCMD{$type}) {
852 if (my %reply = $cb->($pl, $msg)) { 1330 @reply = $cb->($pl, @payload);
853 $pl->ext_reply ($msg->{msgid}, %reply);
854 }
855 } 1331 }
1332
1333 $pl->ext_reply ($reply, @reply)
1334 if $reply;
1335
856 } else { 1336 } else {
857 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1337 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858 } 1338 }
859 1339
860 cf::override; 1340 cf::override;
861 }, 1341 },
862); 1342);
863 1343
1344# "readahead" all extensions
864sub load_extension { 1345sub cache_extensions {
865 my ($path) = @_; 1346 my $grp = IO::AIO::aio_group;
866 1347
867 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1348 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
868 my $base = $1; 1349 for (grep /\.ext$/, @{$_[0]}) {
869 my $pkg = $1; 1350 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
870 $pkg =~ s/[^[:word:]]/_/g;
871 $pkg = "ext::$pkg";
872
873 warn "... loading '$path' into '$pkg'\n";
874
875 open my $fh, "<:utf8", $path
876 or die "$path: $!";
877
878 my $source =
879 "package $pkg; use strict; use utf8;\n"
880 . "#line 1 \"$path\"\n{\n"
881 . (do { local $/; <$fh> })
882 . "\n};\n1";
883
884 unless (eval $source) {
885 my $msg = $@ ? "$path: $@\n"
886 : "extension disabled.\n";
887 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888 warn $@;
889 warn "mandatory extension failed to load, exiting.\n";
890 exit 1;
891 } 1351 }
892 die $@;
893 } 1352 };
894 1353
895 push @EXTS, $pkg; 1354 $grp
896} 1355}
897 1356
898sub load_extensions { 1357sub load_extensions {
1358 cf::sync_job {
1359 my %todo;
1360
899 for my $ext (<$LIBDIR/*.ext>) { 1361 for my $path (<$LIBDIR/*.ext>) {
900 next unless -r $ext; 1362 next unless -r $path;
901 eval { 1363
902 load_extension $ext; 1364 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1365 my $base = $1;
1366 my $pkg = $1;
1367 $pkg =~ s/[^[:word:]]/_/g;
1368 $pkg = "ext::$pkg";
1369
1370 open my $fh, "<:utf8", $path
1371 or die "$path: $!";
1372
1373 my $source = do { local $/; <$fh> };
1374
1375 my %ext = (
1376 path => $path,
1377 base => $base,
1378 pkg => $pkg,
1379 );
1380
1381 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1382 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1383
1384 $ext{source} =
1385 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1386 . "#line 1 \"$path\"\n{\n"
1387 . $source
1388 . "\n};\n1";
1389
1390 $todo{$base} = \%ext;
1391 }
1392
1393 my %done;
1394 while (%todo) {
1395 my $progress;
1396
1397 while (my ($k, $v) = each %todo) {
1398 for (split /,\s*/, $v->{meta}{depends}) {
1399 goto skip
1400 unless exists $done{$_};
1401 }
1402
1403 warn "... loading '$k' into '$v->{pkg}'\n";
1404
1405 unless (eval $v->{source}) {
1406 my $msg = $@ ? "$v->{path}: $@\n"
1407 : "$v->{base}: extension inactive.\n";
1408
1409 if (exists $v->{meta}{mandatory}) {
1410 warn $msg;
1411 cf::cleanup "mandatory extension failed to load, exiting.";
1412 }
1413
1414 warn $msg;
1415 }
1416
1417 $done{$k} = delete $todo{$k};
1418 push @EXTS, $v->{pkg};
1419 $progress = 1;
903 1 1420 }
904 } or warn "$ext not loaded: $@"; 1421
1422 skip:
1423 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1424 unless $progress;
1425 }
905 } 1426 };
906} 1427}
907 1428
908############################################################################# 1429#############################################################################
909 1430
1431=back
1432
910=head2 CORE EXTENSIONS 1433=head2 CORE EXTENSIONS
911 1434
912Functions and methods that extend core crossfire objects. 1435Functions and methods that extend core deliantra objects.
913 1436
914=cut 1437=cut
915 1438
916package cf::player; 1439package cf::player;
917 1440
… …
919 1442
920=head3 cf::player 1443=head3 cf::player
921 1444
922=over 4 1445=over 4
923 1446
1447=item cf::player::num_playing
1448
1449Returns the official number of playing players, as per the Crossfire metaserver rules.
1450
1451=cut
1452
1453sub num_playing {
1454 scalar grep
1455 $_->ob->map
1456 && !$_->hidden
1457 && !$_->ob->flag (cf::FLAG_WIZ),
1458 cf::player::list
1459}
1460
924=item cf::player::find $login 1461=item cf::player::find $login
925 1462
926Returns the given player object, loading it if necessary (might block). 1463Returns the given player object, loading it if necessary (might block).
927 1464
928=cut 1465=cut
929 1466
930sub playerdir($) { 1467sub playerdir($) {
931 cf::localdir 1468 "$PLAYERDIR/"
932 . "/"
933 . cf::playerdir
934 . "/"
935 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1469 . (ref $_[0] ? $_[0]->ob->name : $_[0])
936} 1470}
937 1471
938sub path($) { 1472sub path($) {
939 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1473 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940 1474
941 (playerdir $login) . "/$login.pl" 1475 (playerdir $login) . "/playerdata"
942} 1476}
943 1477
944sub find_active($) { 1478sub find_active($) {
945 $cf::PLAYER{$_[0]} 1479 $cf::PLAYER{$_[0]}
946 and $cf::PLAYER{$_[0]}->active 1480 and $cf::PLAYER{$_[0]}->active
… …
949 1483
950sub exists($) { 1484sub exists($) {
951 my ($login) = @_; 1485 my ($login) = @_;
952 1486
953 $cf::PLAYER{$login} 1487 $cf::PLAYER{$login}
954 or cf::sync_job { !aio_stat $login } 1488 or !aio_stat path $login
955} 1489}
956 1490
957sub find($) { 1491sub find($) {
958 return $cf::PLAYER{$_[0]} || do { 1492 return $cf::PLAYER{$_[0]} || do {
959 my $login = $_[0]; 1493 my $login = $_[0];
960 1494
961 my $guard = cf::lock_acquire "user_find:$login"; 1495 my $guard = cf::lock_acquire "user_find:$login";
962 1496
963 $cf::PLAYER{$_[0]} || do { 1497 $cf::PLAYER{$_[0]} || do {
964 my $pl = load_pl path $login 1498 # rename old playerfiles to new ones
1499 #TODO: remove when no longer required
1500 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1501 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1502 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1503 aio_unlink +(playerdir $login) . "/$login.pl";
1504
1505 my $f = new_from_file cf::object::thawer path $login
965 or return; 1506 or return;
1507
1508 my $pl = cf::player::load_pl $f
1509 or return;
1510
1511 local $cf::PLAYER_LOADING{$login} = $pl;
1512 $f->resolve_delayed_derefs;
966 $cf::PLAYER{$login} = $pl 1513 $cf::PLAYER{$login} = $pl
967 } 1514 }
968 } 1515 }
969} 1516}
970 1517
… …
979 return if $pl->{deny_save}; 1526 return if $pl->{deny_save};
980 1527
981 aio_mkdir playerdir $pl, 0770; 1528 aio_mkdir playerdir $pl, 0770;
982 $pl->{last_save} = $cf::RUNTIME; 1529 $pl->{last_save} = $cf::RUNTIME;
983 1530
1531 cf::get_slot 0.01;
1532
984 $pl->save_pl ($path); 1533 $pl->save_pl ($path);
985 Coro::cede; 1534 cf::cede_to_tick;
986} 1535}
987 1536
988sub new($) { 1537sub new($) {
989 my ($login) = @_; 1538 my ($login) = @_;
990 1539
… …
996 $cf::PLAYER{$login} = $self; 1545 $cf::PLAYER{$login} = $self;
997 1546
998 $self 1547 $self
999} 1548}
1000 1549
1550=item $player->send_msg ($channel, $msg, $color, [extra...])
1551
1552=cut
1553
1554sub send_msg {
1555 my $ns = shift->ns
1556 or return;
1557 $ns->send_msg (@_);
1558}
1559
1001=item $pl->quit_character 1560=item $pl->quit_character
1002 1561
1003Nukes the player without looking back. If logged in, the connection will 1562Nukes the player without looking back. If logged in, the connection will
1004be destroyed. May block for a long time. 1563be destroyed. May block for a long time.
1005 1564
1006=cut 1565=cut
1007 1566
1008sub quit_character { 1567sub quit_character {
1009 my ($pl) = @_; 1568 my ($pl) = @_;
1010 1569
1570 my $name = $pl->ob->name;
1571
1011 $pl->{deny_save} = 1; 1572 $pl->{deny_save} = 1;
1012 $pl->password ("*"); # this should lock out the player until we nuked the dir 1573 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1013 1574
1014 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1575 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1015 $pl->deactivate; 1576 $pl->deactivate;
1577 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1578 $pl->ob->check_score;
1016 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1579 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1017 $pl->ns->destroy if $pl->ns; 1580 $pl->ns->destroy if $pl->ns;
1018 1581
1019 my $path = playerdir $pl; 1582 my $path = playerdir $pl;
1020 my $temp = "$path~$cf::RUNTIME~deleting~"; 1583 my $temp = "$path~$cf::RUNTIME~deleting~";
1021 aio_rename $path, $temp; 1584 aio_rename $path, $temp;
1022 delete $cf::PLAYER{$pl->ob->name}; 1585 delete $cf::PLAYER{$pl->ob->name};
1023 $pl->destroy; 1586 $pl->destroy;
1587
1588 my $prefix = qr<^~\Q$name\E/>;
1589
1590 # nuke player maps
1591 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1592
1024 IO::AIO::aio_rmtree $temp; 1593 IO::AIO::aio_rmtree $temp;
1594}
1595
1596=item $pl->kick
1597
1598Kicks a player out of the game. This destroys the connection.
1599
1600=cut
1601
1602sub kick {
1603 my ($pl, $kicker) = @_;
1604
1605 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1606 $pl->killer ("kicked");
1607 $pl->ns->destroy;
1025} 1608}
1026 1609
1027=item cf::player::list_logins 1610=item cf::player::list_logins
1028 1611
1029Returns am arrayref of all valid playernames in the system, can take a 1612Returns am arrayref of all valid playernames in the system, can take a
1030while and may block, so not sync_job-capable, ever. 1613while and may block, so not sync_job-capable, ever.
1031 1614
1032=cut 1615=cut
1033 1616
1034sub list_logins { 1617sub list_logins {
1035 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1618 my $dirs = aio_readdir $PLAYERDIR
1036 or return []; 1619 or return [];
1037 1620
1038 my @logins; 1621 my @logins;
1039 1622
1040 for my $login (@$dirs) { 1623 for my $login (@$dirs) {
1624 my $path = path $login;
1625
1626 # a .pst is a dead give-away for a valid player
1627 # if no pst file found, open and chekc for blocked users
1628 if (aio_stat "$path.pst") {
1041 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1629 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042 aio_read $fh, 0, 512, my $buf, 0 or next; 1630 aio_read $fh, 0, 512, my $buf, 0 or next;
1043 $buf !~ /^password -------------$/m or next; # official not-valid tag 1631 $buf !~ /^password -------------$/m or next; # official not-valid tag
1632 }
1044 1633
1045 utf8::decode $login; 1634 utf8::decode $login;
1046 push @logins, $login; 1635 push @logins, $login;
1047 } 1636 }
1048 1637
… …
1056 1645
1057=cut 1646=cut
1058 1647
1059sub maps($) { 1648sub maps($) {
1060 my ($pl) = @_; 1649 my ($pl) = @_;
1650
1651 $pl = ref $pl ? $pl->ob->name : $pl;
1061 1652
1062 my $files = aio_readdir playerdir $pl 1653 my $files = aio_readdir playerdir $pl
1063 or return; 1654 or return;
1064 1655
1065 my @paths; 1656 my @paths;
… …
1067 for (@$files) { 1658 for (@$files) {
1068 utf8::decode $_; 1659 utf8::decode $_;
1069 next if /\.(?:pl|pst)$/; 1660 next if /\.(?:pl|pst)$/;
1070 next unless /^$PATH_SEP/o; 1661 next unless /^$PATH_SEP/o;
1071 1662
1072 s/\.map$//; 1663 push @paths, cf::map::normalise "~$pl/$_";
1073 push @paths, "~" . $pl->ob->name . "/" . $_;
1074 } 1664 }
1075 1665
1076 \@paths 1666 \@paths
1077} 1667}
1078 1668
1669=item $protocol_xml = $player->expand_cfpod ($cfpod)
1670
1671Expand deliantra pod fragments into protocol xml.
1672
1079=item $player->ext_reply ($msgid, $msgtype, %msg) 1673=item $player->ext_reply ($msgid, @msg)
1080 1674
1081Sends an ext reply to the player. 1675Sends an ext reply to the player.
1082 1676
1083=cut 1677=cut
1084 1678
1085sub ext_reply($$$%) { 1679sub ext_reply($$@) {
1086 my ($self, $id, %msg) = @_; 1680 my ($self, $id, @msg) = @_;
1087 1681
1088 $msg{msgid} = $id; 1682 $self->ns->ext_reply ($id, @msg)
1089
1090 $self->send ("ext " . cf::to_json \%msg);
1091} 1683}
1092 1684
1093package cf; 1685=item $player->ext_msg ($type, @msg)
1686
1687Sends an ext event to the client.
1688
1689=cut
1690
1691sub ext_msg($$@) {
1692 my ($self, $type, @msg) = @_;
1693
1694 $self->ns->ext_msg ($type, @msg);
1695}
1696
1697=head3 cf::region
1698
1699=over 4
1700
1701=cut
1702
1703package cf::region;
1704
1705=item cf::region::find_by_path $path
1706
1707Tries to decuce the likely region for a map knowing only its path.
1708
1709=cut
1710
1711sub find_by_path($) {
1712 my ($path) = @_;
1713
1714 my ($match, $specificity);
1715
1716 for my $region (list) {
1717 if ($region->{match} && $path =~ $region->{match}) {
1718 ($match, $specificity) = ($region, $region->specificity)
1719 if $region->specificity > $specificity;
1720 }
1721 }
1722
1723 $match
1724}
1094 1725
1095=back 1726=back
1096
1097 1727
1098=head3 cf::map 1728=head3 cf::map
1099 1729
1100=over 4 1730=over 4
1101 1731
… …
1105 1735
1106use Fcntl; 1736use Fcntl;
1107use Coro::AIO; 1737use Coro::AIO;
1108 1738
1109use overload 1739use overload
1110 '""' => \&as_string; 1740 '""' => \&as_string,
1741 fallback => 1;
1111 1742
1112our $MAX_RESET = 3600; 1743our $MAX_RESET = 3600;
1113our $DEFAULT_RESET = 3000; 1744our $DEFAULT_RESET = 3000;
1114 1745
1115sub generate_random_map { 1746sub generate_random_map {
1116 my ($self, $rmp) = @_; 1747 my ($self, $rmp) = @_;
1748
1749 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1117 1750
1118 # mit "rum" bekleckern, nicht 1751 # mit "rum" bekleckern, nicht
1119 $self->_create_random_map ( 1752 $self->_create_random_map (
1120 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1753 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1754 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
… …
1129 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1762 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130 (cf::region::find $rmp->{region}), $rmp->{custom} 1763 (cf::region::find $rmp->{region}), $rmp->{custom}
1131 ) 1764 )
1132} 1765}
1133 1766
1767=item cf::map->register ($regex, $prio)
1768
1769Register a handler for the map path matching the given regex at the
1770givne priority (higher is better, built-in handlers have priority 0, the
1771default).
1772
1773=cut
1774
1134sub register { 1775sub register {
1135 my (undef, $regex) = @_; 1776 my (undef, $regex, $prio) = @_;
1136 my $pkg = caller; 1777 my $pkg = caller;
1137 1778
1138 no strict; 1779 no strict;
1139 push @{"$pkg\::ISA"}, __PACKAGE__; 1780 push @{"$pkg\::ISA"}, __PACKAGE__;
1140 1781
1141 $EXT_MAP{$pkg} = qr<$regex>; 1782 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142} 1783}
1143 1784
1144# also paths starting with '/' 1785# also paths starting with '/'
1145$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1786$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1787
1788sub thawer_merge {
1789 my ($self, $merge) = @_;
1790
1791 # we have to keep some variables in memory intact
1792 local $self->{path};
1793 local $self->{load_path};
1794
1795 $self->SUPER::thawer_merge ($merge);
1796}
1146 1797
1147sub normalise { 1798sub normalise {
1148 my ($path, $base) = @_; 1799 my ($path, $base) = @_;
1800
1801 $path = "$path"; # make sure its a string
1802
1803 $path =~ s/\.map$//;
1149 1804
1150 # map plan: 1805 # map plan:
1151 # 1806 #
1152 # /! non-realised random map exit (special hack!) 1807 # /! non-realised random map exit (special hack!)
1153 # {... are special paths that are not being touched 1808 # {... are special paths that are not being touched
… …
1181 1836
1182 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1837 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183 1838
1184 $path = normalise $path, $base; 1839 $path = normalise $path, $base;
1185 1840
1186 for my $pkg (keys %EXT_MAP) { 1841 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187 if ($path =~ $EXT_MAP{$pkg}) { 1842 if ($path =~ $EXT_MAP{$pkg}[1]) {
1188 my $self = bless cf::map::new, $pkg; 1843 my $self = bless cf::map::new, $pkg;
1189 $self->{path} = $path; $self->path ($path); 1844 $self->{path} = $path; $self->path ($path);
1190 $self->init; # pass $1 etc. 1845 $self->init; # pass $1 etc.
1191 return $self; 1846 return $self;
1192 } 1847 }
1193 } 1848 }
1194 1849
1195 Carp::carp "unable to resolve path '$path'."; 1850 Carp::cluck "unable to resolve path '$path' (base '$base').";
1196 () 1851 ()
1197} 1852}
1198 1853
1199sub init { 1854sub init {
1200 my ($self) = @_; 1855 my ($self) = @_;
… …
1215 1870
1216# the original (read-only) location 1871# the original (read-only) location
1217sub load_path { 1872sub load_path {
1218 my ($self) = @_; 1873 my ($self) = @_;
1219 1874
1220 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1875 "$MAPDIR/$self->{path}.map"
1221} 1876}
1222 1877
1223# the temporary/swap location 1878# the temporary/swap location
1224sub save_path { 1879sub save_path {
1225 my ($self) = @_; 1880 my ($self) = @_;
1226 1881
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1882 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1228 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1883 "$TMPDIR/$path.map"
1229} 1884}
1230 1885
1231# the unique path, undef == no special unique path 1886# the unique path, undef == no special unique path
1232sub uniq_path { 1887sub uniq_path {
1233 my ($self) = @_; 1888 my ($self) = @_;
1234 1889
1235 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1890 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1236 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1891 "$UNIQUEDIR/$path"
1237} 1892}
1238 1893
1239# and all this just because we cannot iterate over 1894sub decay_objects {
1240# all maps in C++...
1241sub change_all_map_light {
1242 my ($change) = @_; 1895 my ($self) = @_;
1243 1896
1244 $_->change_map_light ($change) 1897 return if $self->{deny_reset};
1245 for grep $_->outdoor, values %cf::MAP; 1898
1899 $self->do_decay_objects;
1246} 1900}
1247 1901
1248sub unlink_save { 1902sub unlink_save {
1249 my ($self) = @_; 1903 my ($self) = @_;
1250 1904
1251 utf8::encode (my $save = $self->save_path); 1905 utf8::encode (my $save = $self->save_path);
1252 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1906 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1907 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254} 1908}
1255 1909
1256sub load_header_from($) { 1910sub load_header_from($) {
1257 my ($self, $path) = @_; 1911 my ($self, $path) = @_;
1258 1912
1259 utf8::encode $path; 1913 utf8::encode $path;
1260 aio_open $path, O_RDONLY, 0 1914 my $f = new_from_file cf::object::thawer $path
1261 or return; 1915 or return;
1262 1916
1263 $self->_load_header ($path) 1917 $self->_load_header ($f)
1264 or return; 1918 or return;
1265 1919
1920 local $MAP_LOADING{$self->{path}} = $self;
1921 $f->resolve_delayed_derefs;
1922
1266 $self->{load_path} = $path; 1923 $self->{load_path} = $path;
1267 1924
1268 1 1925 1
1269} 1926}
1270 1927
1271sub load_orig { 1928sub load_header_orig {
1272 my ($self) = @_; 1929 my ($self) = @_;
1273 1930
1274 $self->load_header_from ($self->load_path) 1931 $self->load_header_from ($self->load_path)
1275} 1932}
1276 1933
1277sub load_temp { 1934sub load_header_temp {
1278 my ($self) = @_; 1935 my ($self) = @_;
1279 1936
1280 $self->load_header_from ($self->save_path) 1937 $self->load_header_from ($self->save_path)
1938}
1939
1940sub prepare_temp {
1941 my ($self) = @_;
1942
1943 $self->last_access ((delete $self->{last_access})
1944 || $cf::RUNTIME); #d#
1945 # safety
1946 $self->{instantiate_time} = $cf::RUNTIME
1947 if $self->{instantiate_time} > $cf::RUNTIME;
1948}
1949
1950sub prepare_orig {
1951 my ($self) = @_;
1952
1953 $self->{load_original} = 1;
1954 $self->{instantiate_time} = $cf::RUNTIME;
1955 $self->last_access ($cf::RUNTIME);
1956 $self->instantiate;
1281} 1957}
1282 1958
1283sub load_header { 1959sub load_header {
1284 my ($self) = @_; 1960 my ($self) = @_;
1285 1961
1286 if ($self->load_temp) { 1962 if ($self->load_header_temp) {
1287 $self->last_access ((delete $self->{last_access}) 1963 $self->prepare_temp;
1288 || $cf::RUNTIME); #d#
1289 # safety
1290 $self->{instantiate_time} = $cf::RUNTIME
1291 if $self->{instantiate_time} > $cf::RUNTIME;
1292 } else { 1964 } else {
1293 $self->load_orig 1965 $self->load_header_orig
1294 or return; 1966 or return;
1295 1967 $self->prepare_orig;
1296 $self->{load_original} = 1;
1297 $self->{instantiate_time} = $cf::RUNTIME;
1298 $self->last_access ($cf::RUNTIME);
1299 $self->instantiate;
1300 } 1968 }
1969
1970 $self->{deny_reset} = 1
1971 if $self->no_reset;
1972
1973 $self->default_region (cf::region::find_by_path $self->{path})
1974 unless $self->default_region;
1301 1975
1302 1 1976 1
1303} 1977}
1304 1978
1305sub find; 1979sub find;
1306sub find { 1980sub find {
1307 my ($path, $origin) = @_; 1981 my ($path, $origin) = @_;
1308 1982
1309 $path = normalise $path, $origin && $origin->path; 1983 $path = normalise $path, $origin && $origin->path;
1310 1984
1985 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1311 cf::lock_wait "map_find:$path"; 1986 my $guard2 = cf::lock_acquire "map_find:$path";
1312 1987
1313 $cf::MAP{$path} || do { 1988 $cf::MAP{$path} || do {
1314 my $guard = cf::lock_acquire "map_find:$path";
1315 my $map = new_from_path cf::map $path 1989 my $map = new_from_path cf::map $path
1316 or return; 1990 or return;
1317 1991
1318 $map->{last_save} = $cf::RUNTIME; 1992 $map->{last_save} = $cf::RUNTIME;
1319 1993
1320 $map->load_header 1994 $map->load_header
1321 or return; 1995 or return;
1322 1996
1323 if ($map->should_reset) { 1997 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1998 # doing this can freeze the server in a sync job, obviously
1999 #$cf::WAIT_FOR_TICK->wait;
2000 undef $guard2;
2001 undef $guard1;
1324 $map->reset; 2002 $map->reset;
1325 undef $guard;
1326 $map = find $path 2003 return find $path;
1327 or return;
1328 } 2004 }
1329 2005
1330 $cf::MAP{$path} = $map 2006 $cf::MAP{$path} = $map
1331 } 2007 }
1332} 2008}
2009
2010sub pre_load { }
2011sub post_load { }
1333 2012
1334sub load { 2013sub load {
1335 my ($self) = @_; 2014 my ($self) = @_;
1336 2015
2016 local $self->{deny_reset} = 1; # loading can take a long time
2017
1337 my $path = $self->{path}; 2018 my $path = $self->{path};
2019
2020 {
1338 my $guard = cf::lock_acquire "map_load:$path"; 2021 my $guard = cf::lock_acquire "map_data:$path";
1339 2022
2023 return unless $self->valid;
1340 return if $self->in_memory != cf::MAP_SWAPPED; 2024 return unless $self->in_memory == cf::MAP_SWAPPED;
1341 2025
1342 $self->in_memory (cf::MAP_LOADING); 2026 $self->in_memory (cf::MAP_LOADING);
1343 2027
1344 $self->alloc; 2028 $self->alloc;
1345 $self->_load_objects ($self->{load_path}, 1) 2029
2030 $self->pre_load;
2031 cf::cede_to_tick;
2032
2033 my $f = new_from_file cf::object::thawer $self->{load_path};
2034 $f->skip_block;
2035 $self->_load_objects ($f)
1346 or return; 2036 or return;
1347 2037
1348 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2038 $self->post_load_original
1349 if delete $self->{load_original}; 2039 if delete $self->{load_original};
1350 2040
1351 if (my $uniq = $self->uniq_path) { 2041 if (my $uniq = $self->uniq_path) {
1352 utf8::encode $uniq; 2042 utf8::encode $uniq;
1353 if (aio_open $uniq, O_RDONLY, 0) { 2043 unless (aio_stat $uniq) {
2044 if (my $f = new_from_file cf::object::thawer $uniq) {
1354 $self->clear_unique_items; 2045 $self->clear_unique_items;
1355 $self->_load_objects ($uniq, 0); 2046 $self->_load_objects ($f);
2047 $f->resolve_delayed_derefs;
2048 }
1356 } 2049 }
1357 } 2050 }
1358 2051
1359 Coro::cede; 2052 $f->resolve_delayed_derefs;
1360 2053
2054 cf::cede_to_tick;
1361 # now do the right thing for maps 2055 # now do the right thing for maps
1362 $self->link_multipart_objects; 2056 $self->link_multipart_objects;
1363
1364 unless ($self->{deny_activate}) {
1365 $self->decay_objects;
1366 $self->fix_auto_apply;
1367 $self->update_buttons;
1368 Coro::cede;
1369 $self->set_darkness_map;
1370 $self->difficulty ($self->estimate_difficulty) 2057 $self->difficulty ($self->estimate_difficulty)
1371 unless $self->difficulty; 2058 unless $self->difficulty;
1372 Coro::cede; 2059 cf::cede_to_tick;
2060
2061 unless ($self->{deny_activate}) {
2062 $self->decay_objects;
2063 $self->fix_auto_apply;
2064 $self->update_buttons;
2065 cf::cede_to_tick;
1373 $self->activate; 2066 $self->activate;
1374 } 2067 }
1375 2068
2069 $self->{last_save} = $cf::RUNTIME;
2070 $self->last_access ($cf::RUNTIME);
2071
1376 $self->in_memory (cf::MAP_IN_MEMORY); 2072 $self->in_memory (cf::MAP_ACTIVE);
2073 }
2074
2075 $self->post_load;
1377} 2076}
1378 2077
1379sub customise_for { 2078sub customise_for {
1380 my ($self, $ob) = @_; 2079 my ($self, $ob) = @_;
1381 2080
1382 return find "~" . $ob->name . "/" . $self->{path} 2081 return find "~" . $ob->name . "/" . $self->{path}
1383 if $self->per_player; 2082 if $self->per_player;
1384 2083
2084# return find "?party/" . $ob->name . "/" . $self->{path}
2085# if $self->per_party;
2086
1385 $self 2087 $self
1386} 2088}
1387 2089
1388# find and load all maps in the 3x3 area around a map 2090# find and load all maps in the 3x3 area around a map
1389sub load_diag { 2091sub load_neighbours {
1390 my ($map) = @_; 2092 my ($map) = @_;
1391 2093
1392 my @diag; # diagonal neighbours 2094 my @neigh; # diagonal neighbours
1393 2095
1394 for (0 .. 3) { 2096 for (0 .. 3) {
1395 my $neigh = $map->tile_path ($_) 2097 my $neigh = $map->tile_path ($_)
1396 or next; 2098 or next;
1397 $neigh = find $neigh, $map 2099 $neigh = find $neigh, $map
1398 or next; 2100 or next;
1399 $neigh->load; 2101 $neigh->load;
1400 2102
2103 push @neigh,
1401 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2104 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1402 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2105 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1403 } 2106 }
1404 2107
1405 for (@diag) { 2108 for (grep defined $_->[0], @neigh) {
2109 my ($path, $origin) = @$_;
1406 my $neigh = find @$_ 2110 my $neigh = find $path, $origin
1407 or next; 2111 or next;
1408 $neigh->load; 2112 $neigh->load;
1409 } 2113 }
1410} 2114}
1411 2115
… …
1416} 2120}
1417 2121
1418sub do_load_sync { 2122sub do_load_sync {
1419 my ($map) = @_; 2123 my ($map) = @_;
1420 2124
2125 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2126 if $Coro::current == $Coro::main;
2127
1421 cf::sync_job { $map->load }; 2128 cf::sync_job { $map->load };
1422} 2129}
1423 2130
1424our %MAP_PREFETCH; 2131our %MAP_PREFETCH;
1425our $MAP_PREFETCHER = Coro::async { 2132our $MAP_PREFETCHER = undef;
1426 while () {
1427 for my $path (keys %MAP_PREFETCH) {
1428 my $map = find $path
1429 or next;
1430 $map->load;
1431
1432 delete $MAP_PREFETCH{$path};
1433 }
1434 Coro::schedule;
1435 }
1436};
1437 2133
1438sub find_async { 2134sub find_async {
1439 my ($path, $origin) = @_; 2135 my ($path, $origin, $load) = @_;
1440 2136
1441 $path = normalise $path, $origin && $origin->{path}; 2137 $path = normalise $path, $origin && $origin->{path};
1442 2138
1443 if (my $map = $cf::MAP{$path}) { 2139 if (my $map = $cf::MAP{$path}) {
1444 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2140 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2141 }
2142
2143 $MAP_PREFETCH{$path} |= $load;
2144
2145 $MAP_PREFETCHER ||= cf::async {
2146 $Coro::current->{desc} = "map prefetcher";
2147
2148 while (%MAP_PREFETCH) {
2149 while (my ($k, $v) = each %MAP_PREFETCH) {
2150 if (my $map = find $k) {
2151 $map->load if $v;
2152 }
2153
2154 delete $MAP_PREFETCH{$k};
2155 }
2156 }
2157 undef $MAP_PREFETCHER;
1445 } 2158 };
1446
1447 $MAP_PREFETCH{$path} = 0;
1448 $MAP_PREFETCHER->ready; 2159 $MAP_PREFETCHER->prio (6);
1449 2160
1450 () 2161 ()
1451} 2162}
1452 2163
1453sub save { 2164sub save {
1454 my ($self) = @_; 2165 my ($self) = @_;
1455 2166
1456 my $lock = cf::lock_acquire "map_data:" . $self->path; 2167 my $lock = cf::lock_acquire "map_data:$self->{path}";
1457 2168
1458 $self->{last_save} = $cf::RUNTIME; 2169 $self->{last_save} = $cf::RUNTIME;
1459 2170
1460 return unless $self->dirty; 2171 return unless $self->dirty;
1461 2172
… …
1467 return if $self->{deny_save}; 2178 return if $self->{deny_save};
1468 2179
1469 local $self->{last_access} = $self->last_access;#d# 2180 local $self->{last_access} = $self->last_access;#d#
1470 2181
1471 cf::async { 2182 cf::async {
2183 $Coro::current->{desc} = "map player save";
1472 $_->contr->save for $self->players; 2184 $_->contr->save for $self->players;
1473 }; 2185 };
2186
2187 cf::get_slot 0.02;
1474 2188
1475 if ($uniq) { 2189 if ($uniq) {
1476 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2190 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1477 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2191 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1478 } else { 2192 } else {
… …
1484 my ($self) = @_; 2198 my ($self) = @_;
1485 2199
1486 # save first because save cedes 2200 # save first because save cedes
1487 $self->save; 2201 $self->save;
1488 2202
1489 my $lock = cf::lock_acquire "map_data:" . $self->path; 2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
1490 2204
1491 return if $self->players; 2205 return if $self->players;
1492 return if $self->in_memory != cf::MAP_IN_MEMORY; 2206 return if $self->in_memory != cf::MAP_ACTIVE;
1493 return if $self->{deny_save}; 2207 return if $self->{deny_save};
1494 2208
2209 $self->in_memory (cf::MAP_SWAPPED);
2210
2211 $self->deactivate;
2212 $_->clear_links_to ($self) for values %cf::MAP;
1495 $self->clear; 2213 $self->clear;
1496 $self->in_memory (cf::MAP_SWAPPED);
1497} 2214}
1498 2215
1499sub reset_at { 2216sub reset_at {
1500 my ($self) = @_; 2217 my ($self) = @_;
1501 2218
1502 # TODO: safety, remove and allow resettable per-player maps 2219 # TODO: safety, remove and allow resettable per-player maps
1503 return 1e99 if $self->isa ("ext::map_per_player");
1504 return 1e99 if $self->{deny_reset}; 2220 return 1e99 if $self->{deny_reset};
1505 2221
1506 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2222 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2223 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508 2224
… …
1513 my ($self) = @_; 2229 my ($self) = @_;
1514 2230
1515 $self->reset_at <= $cf::RUNTIME 2231 $self->reset_at <= $cf::RUNTIME
1516} 2232}
1517 2233
1518sub rename {
1519 my ($self, $new_path) = @_;
1520
1521 normalise $new_path;
1522
1523 $self->unlink_save;
1524
1525 delete $cf::MAP{$self->path};
1526 $self->{path} = $new_path; $self->path ($self->{path});
1527 $cf::MAP{$self->path} = $self;
1528
1529 $self->save;
1530}
1531
1532sub reset { 2234sub reset {
1533 my ($self) = @_; 2235 my ($self) = @_;
1534 2236
1535 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2237 my $lock = cf::lock_acquire "map_data:$self->{path}";
1536 2238
1537 return if $self->players; 2239 return if $self->players;
1538 return if $self->isa ("ext::map_per_player");#d#
1539 2240
1540 warn "resetting map ", $self->path;#d# 2241 warn "resetting map ", $self->path, "\n";
2242
2243 $self->in_memory (cf::MAP_SWAPPED);
2244
2245 # need to save uniques path
2246 unless ($self->{deny_save}) {
2247 my $uniq = $self->uniq_path; utf8::encode $uniq;
2248
2249 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2250 if $uniq;
2251 }
1541 2252
1542 delete $cf::MAP{$self->path}; 2253 delete $cf::MAP{$self->path};
1543 2254
1544 $self->in_memory (cf::MAP_SWAPPED); 2255 $self->deactivate;
2256 $_->clear_links_to ($self) for values %cf::MAP;
1545 $self->clear; 2257 $self->clear;
1546
1547 $_->clear_links_to ($self) for values %cf::MAP;
1548 2258
1549 $self->unlink_save; 2259 $self->unlink_save;
1550 $self->destroy; 2260 $self->destroy;
1551} 2261}
1552 2262
1553my $nuke_counter = "aaaa"; 2263my $nuke_counter = "aaaa";
1554 2264
1555sub nuke { 2265sub nuke {
1556 my ($self) = @_; 2266 my ($self) = @_;
1557 2267
2268 {
2269 my $lock = cf::lock_acquire "map_data:$self->{path}";
2270
2271 delete $cf::MAP{$self->path};
2272
2273 $self->unlink_save;
2274
2275 bless $self, "cf::map";
2276 delete $self->{deny_reset};
1558 $self->{deny_save} = 1; 2277 $self->{deny_save} = 1;
1559 $self->reset_timeout (1); 2278 $self->reset_timeout (1);
1560 $self->rename ("{nuke}/" . ($nuke_counter++)); 2279 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2280
2281 $cf::MAP{$self->path} = $self;
2282 }
2283
1561 $self->reset; # polite request, might not happen 2284 $self->reset; # polite request, might not happen
2285}
2286
2287=item $maps = cf::map::tmp_maps
2288
2289Returns an arrayref with all map paths of currently instantiated and saved
2290maps. May block.
2291
2292=cut
2293
2294sub tmp_maps() {
2295 [
2296 map {
2297 utf8::decode $_;
2298 /\.map$/
2299 ? normalise $_
2300 : ()
2301 } @{ aio_readdir $TMPDIR or [] }
2302 ]
2303}
2304
2305=item $maps = cf::map::random_maps
2306
2307Returns an arrayref with all map paths of currently instantiated and saved
2308random maps. May block.
2309
2310=cut
2311
2312sub random_maps() {
2313 [
2314 map {
2315 utf8::decode $_;
2316 /\.map$/
2317 ? normalise "?random/$_"
2318 : ()
2319 } @{ aio_readdir $RANDOMDIR or [] }
2320 ]
1562} 2321}
1563 2322
1564=item cf::map::unique_maps 2323=item cf::map::unique_maps
1565 2324
1566Returns an arrayref of paths of all shared maps that have 2325Returns an arrayref of paths of all shared maps that have
1567instantiated unique items. May block. 2326instantiated unique items. May block.
1568 2327
1569=cut 2328=cut
1570 2329
1571sub unique_maps() { 2330sub unique_maps() {
1572 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2331 [
1573 or return; 2332 map {
1574
1575 my @paths;
1576
1577 for (@$files) {
1578 utf8::decode $_; 2333 utf8::decode $_;
1579 next if /\.pst$/; 2334 s/\.map$//; # TODO future compatibility hack
1580 next unless /^$PATH_SEP/o; 2335 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1581 2336 ? ()
1582 s/\.map$//; 2337 : normalise $_
1583 push @paths, $_; 2338 } @{ aio_readdir $UNIQUEDIR or [] }
1584 } 2339 ]
1585
1586 \@paths
1587} 2340}
1588
1589package cf;
1590 2341
1591=back 2342=back
1592 2343
1593=head3 cf::object 2344=head3 cf::object
1594 2345
… …
1598 2349
1599=over 4 2350=over 4
1600 2351
1601=item $ob->inv_recursive 2352=item $ob->inv_recursive
1602 2353
1603Returns the inventory of the object _and_ their inventories, recursively. 2354Returns the inventory of the object I<and> their inventories, recursively,
2355but I<not> the object itself.
1604 2356
1605=cut 2357=cut
1606 2358
1607sub inv_recursive_; 2359sub inv_recursive_;
1608sub inv_recursive_ { 2360sub inv_recursive_ {
… …
1611 2363
1612sub inv_recursive { 2364sub inv_recursive {
1613 inv_recursive_ inv $_[0] 2365 inv_recursive_ inv $_[0]
1614} 2366}
1615 2367
2368=item $ref = $ob->ref
2369
2370Creates and returns a persistent reference to an object that can be stored as a string.
2371
2372=item $ob = cf::object::deref ($refstring)
2373
2374returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2375even if the object actually exists. May block.
2376
2377=cut
2378
2379sub deref {
2380 my ($ref) = @_;
2381
2382 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2383 my ($uuid, $name) = ($1, $2);
2384 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2385 or return;
2386 $pl->ob->uuid eq $uuid
2387 or return;
2388
2389 $pl->ob
2390 } else {
2391 warn "$ref: cannot resolve object reference\n";
2392 undef
2393 }
2394}
2395
1616package cf; 2396package cf;
1617 2397
1618=back 2398=back
1619 2399
1620=head3 cf::object::player 2400=head3 cf::object::player
… …
1626Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2406Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1627can be C<undef>. Does the right thing when the player is currently in a 2407can be C<undef>. Does the right thing when the player is currently in a
1628dialogue with the given NPC character. 2408dialogue with the given NPC character.
1629 2409
1630=cut 2410=cut
2411
2412our $SAY_CHANNEL = {
2413 id => "say",
2414 title => "Map",
2415 reply => "say ",
2416 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2417};
2418
2419our $CHAT_CHANNEL = {
2420 id => "chat",
2421 title => "Chat",
2422 reply => "chat ",
2423 tooltip => "Player chat and shouts, global to the server.",
2424};
1631 2425
1632# rough implementation of a future "reply" method that works 2426# rough implementation of a future "reply" method that works
1633# with dialog boxes. 2427# with dialog boxes.
1634#TODO: the first argument must go, split into a $npc->reply_to ( method 2428#TODO: the first argument must go, split into a $npc->reply_to ( method
1635sub cf::object::player::reply($$$;$) { 2429sub cf::object::player::reply($$$;$) {
… …
1637 2431
1638 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2432 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639 2433
1640 if ($self->{record_replies}) { 2434 if ($self->{record_replies}) {
1641 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2435 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2436
1642 } else { 2437 } else {
2438 my $pl = $self->contr;
2439
2440 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2441 my $dialog = $pl->{npc_dialog};
2442 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443
2444 } else {
1643 $msg = $npc->name . " says: $msg" if $npc; 2445 $msg = $npc->name . " says: $msg" if $npc;
1644 $self->message ($msg, $flags); 2446 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447 }
1645 } 2448 }
2449}
2450
2451=item $object->send_msg ($channel, $msg, $color, [extra...])
2452
2453=cut
2454
2455sub cf::object::send_msg {
2456 my $pl = shift->contr
2457 or return;
2458 $pl->send_msg (@_);
1646} 2459}
1647 2460
1648=item $player_object->may ("access") 2461=item $player_object->may ("access")
1649 2462
1650Returns wether the given player is authorized to access resource "access" 2463Returns wether the given player is authorized to access resource "access"
… …
1663 2476
1664=item $player_object->enter_link 2477=item $player_object->enter_link
1665 2478
1666Freezes the player and moves him/her to a special map (C<{link}>). 2479Freezes the player and moves him/her to a special map (C<{link}>).
1667 2480
1668The player should be reasonably safe there for short amounts of time. You 2481The player should be reasonably safe there for short amounts of time (e.g.
1669I<MUST> call C<leave_link> as soon as possible, though. 2482for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2483though, as the palyer cannot control the character while it is on the link
2484map.
1670 2485
1671Will never block. 2486Will never block.
1672 2487
1673=item $player_object->leave_link ($map, $x, $y) 2488=item $player_object->leave_link ($map, $x, $y)
1674 2489
… …
1682=cut 2497=cut
1683 2498
1684sub link_map { 2499sub link_map {
1685 unless ($LINK_MAP) { 2500 unless ($LINK_MAP) {
1686 $LINK_MAP = cf::map::find "{link}" 2501 $LINK_MAP = cf::map::find "{link}"
1687 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2502 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688 $LINK_MAP->load; 2503 $LINK_MAP->load;
1689 } 2504 }
1690 2505
1691 $LINK_MAP 2506 $LINK_MAP
1692} 2507}
… …
1697 $self->deactivate_recursive; 2512 $self->deactivate_recursive;
1698 2513
1699 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2514 return if UNIVERSAL::isa $self->map, "ext::map_link";
1700 2515
1701 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2516 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702 if $self->map; 2517 if $self->map && $self->map->{path} ne "{link}";
1703 2518
1704 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2519 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1705} 2520}
1706 2521
1707sub cf::object::player::leave_link { 2522sub cf::object::player::leave_link {
1708 my ($self, $map, $x, $y) = @_; 2523 my ($self, $map, $x, $y) = @_;
2524
2525 return unless $self->contr->active;
1709 2526
1710 my $link_pos = delete $self->{_link_pos}; 2527 my $link_pos = delete $self->{_link_pos};
1711 2528
1712 unless ($map) { 2529 unless ($map) {
1713 # restore original map position 2530 # restore original map position
… …
1727 # use -1 or undef as default coordinates, not 0, 0 2544 # use -1 or undef as default coordinates, not 0, 0
1728 ($x, $y) = ($map->enter_x, $map->enter_y) 2545 ($x, $y) = ($map->enter_x, $map->enter_y)
1729 if $x <=0 && $y <= 0; 2546 if $x <=0 && $y <= 0;
1730 2547
1731 $map->load; 2548 $map->load;
1732 $map->load_diag; 2549 $map->load_neighbours;
1733 2550
1734 return unless $self->contr->active; 2551 return unless $self->contr->active;
2552
2553 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2554 $self->enter_map ($map, $x, $y);
2555
2556 # only activate afterwards, to support waiting in hooks
1735 $self->activate_recursive; 2557 $self->activate_recursive;
1736 $self->enter_map ($map, $x, $y);
1737} 2558}
1738 2559
1739cf::player->attach ( 2560=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740 on_logout => sub {
1741 my ($pl) = @_;
1742 2561
1743 # abort map switching before logout 2562Moves the player to the given map-path and coordinates by first freezing
1744 if ($pl->ob->{_link_pos}) { 2563her, loading and preparing them map, calling the provided $check callback
1745 cf::sync_job { 2564that has to return the map if sucecssful, and then unfreezes the player on
1746 $pl->ob->leave_link 2565the new (success) or old (failed) map position. In either case, $done will
1747 }; 2566be called at the end of this process.
1748 }
1749 },
1750 on_login => sub {
1751 my ($pl) = @_;
1752 2567
1753 # try to abort aborted map switching on player login :) 2568Note that $check will be called with a potentially non-loaded map, so if
1754 # should happen only on crashes 2569it needs a loaded map it has to call C<< ->load >>.
1755 if ($pl->ob->{_link_pos}) {
1756 $pl->ob->enter_link;
1757 (async {
1758 # we need this sleep as the login has a concurrent enter_exit running
1759 # and this sleep increases chances of the player not ending up in scorn
1760 $pl->ob->reply (undef,
1761 "There was an internal problem at your last logout, "
1762 . "the server will try to bring you to your intended destination in a second.",
1763 cf::NDI_RED);
1764 Coro::Timer::sleep 1;
1765 $pl->ob->leave_link;
1766 })->prio (2);
1767 }
1768 },
1769);
1770 2570
1771=item $player_object->goto ($path, $x, $y)
1772
1773=cut 2571=cut
2572
2573our $GOTOGEN;
1774 2574
1775sub cf::object::player::goto { 2575sub cf::object::player::goto {
1776 my ($self, $path, $x, $y) = @_; 2576 my ($self, $path, $x, $y, $check, $done) = @_;
2577
2578 # do generation counting so two concurrent goto's will be executed in-order
2579 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777 2580
1778 $self->enter_link; 2581 $self->enter_link;
1779 2582
1780 (async { 2583 (async {
1781 my $map = cf::map::find $path; 2584 $Coro::current->{desc} = "player::goto $path $x $y";
2585
2586 # *tag paths override both path and x|y
2587 if ($path =~ /^\*(.*)$/) {
2588 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2589 my $ob = $obs[rand @obs];
2590
2591 # see if we actually can go there
2592 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2593 $ob = $obs[rand @obs];
2594 } else {
2595 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2596 }
2597 # else put us there anyways for now #d#
2598
2599 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2600 } else {
2601 ($path, $x, $y) = (undef, undef, undef);
2602 }
2603 }
2604
2605 my $map = eval {
2606 my $map = defined $path ? cf::map::find $path : undef;
2607
2608 if ($map) {
1782 $map = $map->customise_for ($self) if $map; 2609 $map = $map->customise_for ($self);
1783 2610 $map = $check->($map) if $check && $map;
1784# warn "entering ", $map->path, " at ($x, $y)\n" 2611 } else {
1785# if $map;
1786
1787 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2612 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2613 }
1788 2614
2615 $map
2616 };
2617
2618 if ($@) {
2619 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2620 LOG llevError | logBacktrace, Carp::longmess $@;
2621 }
2622
2623 if ($gen == $self->{_goto_generation}) {
2624 delete $self->{_goto_generation};
1789 $self->leave_link ($map, $x, $y); 2625 $self->leave_link ($map, $x, $y);
2626 }
2627
2628 $done->() if $done;
1790 })->prio (1); 2629 })->prio (1);
1791} 2630}
1792 2631
1793=item $player_object->enter_exit ($exit_object) 2632=item $player_object->enter_exit ($exit_object)
1794 2633
… …
1796 2635
1797sub parse_random_map_params { 2636sub parse_random_map_params {
1798 my ($spec) = @_; 2637 my ($spec) = @_;
1799 2638
1800 my $rmp = { # defaults 2639 my $rmp = { # defaults
1801 xsize => 10, 2640 xsize => (cf::rndm 15, 40),
1802 ysize => 10, 2641 ysize => (cf::rndm 15, 40),
2642 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2643 #layout => string,
1803 }; 2644 };
1804 2645
1805 for (split /\n/, $spec) { 2646 for (split /\n/, $spec) {
1806 my ($k, $v) = split /\s+/, $_, 2; 2647 my ($k, $v) = split /\s+/, $_, 2;
1807 2648
… …
1819 # that depends on the exit object 2660 # that depends on the exit object
1820 2661
1821 my $rmp = parse_random_map_params $exit->msg; 2662 my $rmp = parse_random_map_params $exit->msg;
1822 2663
1823 if ($exit->map) { 2664 if ($exit->map) {
1824 $rmp->{region} = $exit->map->region_name; 2665 $rmp->{region} = $exit->region->name;
1825 $rmp->{origin_map} = $exit->map->path; 2666 $rmp->{origin_map} = $exit->map->path;
1826 $rmp->{origin_x} = $exit->x; 2667 $rmp->{origin_x} = $exit->x;
1827 $rmp->{origin_y} = $exit->y; 2668 $rmp->{origin_y} = $exit->y;
2669
2670 $exit->map->touch;
1828 } 2671 }
1829 2672
1830 $rmp->{random_seed} ||= $exit->random_seed; 2673 $rmp->{random_seed} ||= $exit->random_seed;
1831 2674
1832 my $data = cf::to_json $rmp; 2675 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1833 my $md5 = Digest::MD5::md5_hex $data; 2676 my $md5 = Digest::MD5::md5_hex $data;
2677 my $meta = "$RANDOMDIR/$md5.meta";
1834 2678
1835 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2679 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836 aio_write $fh, 0, (length $data), $data, 0; 2680 aio_write $fh, 0, (length $data), $data, 0;
2681 undef $fh;
2682 aio_rename "$meta~", $meta;
1837 2683
2684 my $slaying = "?random/$md5";
2685
2686 if ($exit->valid) {
1838 $exit->slaying ("?random/$md5"); 2687 $exit->slaying ("?random/$md5");
1839 $exit->msg (undef); 2688 $exit->msg (undef);
2689 }
1840 } 2690 }
1841} 2691}
1842 2692
1843sub cf::object::player::enter_exit { 2693sub cf::object::player::enter_exit {
1844 my ($self, $exit) = @_; 2694 my ($self, $exit) = @_;
… …
1846 return unless $self->type == cf::PLAYER; 2696 return unless $self->type == cf::PLAYER;
1847 2697
1848 $self->enter_link; 2698 $self->enter_link;
1849 2699
1850 (async { 2700 (async {
1851 $self->deactivate_recursive; # just to be sure 2701 $Coro::current->{desc} = "enter_exit";
2702
1852 unless (eval { 2703 unless (eval {
2704 $self->deactivate_recursive; # just to be sure
2705
2706 # random map handling
2707 {
2708 my $guard = cf::lock_acquire "exit_prepare:$exit";
2709
1853 prepare_random_map $exit 2710 prepare_random_map $exit
1854 if $exit->slaying eq "/!"; 2711 if $exit->slaying eq "/!";
2712 }
1855 2713
1856 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path; 2714 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1857 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2715 my $x = $exit->stats->hp;
2716 my $y = $exit->stats->sp;
1858 2717
2718 $self->goto ($map, $x, $y);
2719
2720 # if exit is damned, update players death & WoR home-position
2721 $self->contr->savebed ($map, $x, $y)
2722 if $exit->flag (cf::FLAG_DAMNED);
2723
1859 1; 2724 1
1860 }) { 2725 }) {
1861 $self->message ("Something went wrong deep within the crossfire server. " 2726 $self->message ("Something went wrong deep within the deliantra server. "
1862 . "I'll try to bring you back to the map you were before. " 2727 . "I'll try to bring you back to the map you were before. "
1863 . "Please report this to the dungeon master!", 2728 . "Please report this to the dungeon master!",
1864 cf::NDI_UNIQUE | cf::NDI_RED); 2729 cf::NDI_UNIQUE | cf::NDI_RED);
1865 2730
1866 warn "ERROR in enter_exit: $@"; 2731 warn "ERROR in enter_exit: $@";
1867 $self->leave_link; 2732 $self->leave_link;
1868 } 2733 }
1869 })->prio (1); 2734 })->prio (1);
… …
1882 2747
1883sub cf::client::send_drawinfo { 2748sub cf::client::send_drawinfo {
1884 my ($self, $text, $flags) = @_; 2749 my ($self, $text, $flags) = @_;
1885 2750
1886 utf8::encode $text; 2751 utf8::encode $text;
1887 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2752 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888} 2753}
1889 2754
2755=item $client->send_msg ($channel, $msg, $color, [extra...])
2756
2757Send a drawinfo or msg packet to the client, formatting the msg for the
2758client if neccessary. C<$type> should be a string identifying the type of
2759the message, with C<log> being the default. If C<$color> is negative, suppress
2760the message unless the client supports the msg packet.
2761
2762=cut
2763
2764# non-persistent channels (usually the info channel)
2765our %CHANNEL = (
2766 "c/identify" => {
2767 id => "infobox",
2768 title => "Identify",
2769 reply => undef,
2770 tooltip => "Items recently identified",
2771 },
2772 "c/examine" => {
2773 id => "infobox",
2774 title => "Examine",
2775 reply => undef,
2776 tooltip => "Signs and other items you examined",
2777 },
2778 "c/book" => {
2779 id => "infobox",
2780 title => "Book",
2781 reply => undef,
2782 tooltip => "The contents of a note or book",
2783 },
2784 "c/lookat" => {
2785 id => "infobox",
2786 title => "Look",
2787 reply => undef,
2788 tooltip => "What you saw there",
2789 },
2790 "c/who" => {
2791 id => "infobox",
2792 title => "Players",
2793 reply => undef,
2794 tooltip => "Shows players who are currently online",
2795 },
2796 "c/body" => {
2797 id => "infobox",
2798 title => "Body Parts",
2799 reply => undef,
2800 tooltip => "Shows which body parts you posess and are available",
2801 },
2802 "c/statistics" => {
2803 id => "infobox",
2804 title => "Statistics",
2805 reply => undef,
2806 tooltip => "Shows your primary statistics",
2807 },
2808 "c/skills" => {
2809 id => "infobox",
2810 title => "Skills",
2811 reply => undef,
2812 tooltip => "Shows your experience per skill and item power",
2813 },
2814 "c/shopitems" => {
2815 id => "infobox",
2816 title => "Shop Items",
2817 reply => undef,
2818 tooltip => "Shows the items currently for sale in this shop",
2819 },
2820 "c/resistances" => {
2821 id => "infobox",
2822 title => "Resistances",
2823 reply => undef,
2824 tooltip => "Shows your resistances",
2825 },
2826 "c/pets" => {
2827 id => "infobox",
2828 title => "Pets",
2829 reply => undef,
2830 tooltip => "Shows information abotu your pets/a specific pet",
2831 },
2832 "c/perceiveself" => {
2833 id => "infobox",
2834 title => "Perceive Self",
2835 reply => undef,
2836 tooltip => "You gained detailed knowledge about yourself",
2837 },
2838 "c/uptime" => {
2839 id => "infobox",
2840 title => "Uptime",
2841 reply => undef,
2842 tooltip => "How long the server has been running since last restart",
2843 },
2844 "c/mapinfo" => {
2845 id => "infobox",
2846 title => "Map Info",
2847 reply => undef,
2848 tooltip => "Information related to the maps",
2849 },
2850 "c/party" => {
2851 id => "party",
2852 title => "Party",
2853 reply => "gsay ",
2854 tooltip => "Messages and chat related to your party",
2855 },
2856 "c/death" => {
2857 id => "death",
2858 title => "Death",
2859 reply => undef,
2860 tooltip => "Reason for and more info about your most recent death",
2861 },
2862 "c/say" => $SAY_CHANNEL,
2863 "c/chat" => $CHAT_CHANNEL,
2864);
2865
2866sub cf::client::send_msg {
2867 my ($self, $channel, $msg, $color, @extra) = @_;
2868
2869 $msg = $self->pl->expand_cfpod ($msg)
2870 unless $color & cf::NDI_VERBATIM;
2871
2872 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873
2874 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) {
2876 $channel = $CHANNEL{$channel};
2877
2878 $self->ext_msg (channel_info => $channel);
2879 $channel = $channel->{id};
2880
2881 } elsif (ref $channel) {
2882 # send meta info to client, if not yet sent
2883 unless (exists $self->{channel}{$channel->{id}}) {
2884 $self->{channel}{$channel->{id}} = $channel;
2885 $self->ext_msg (channel_info => $channel);
2886 }
2887
2888 $channel = $channel->{id};
2889 }
2890
2891 return unless @extra || length $msg;
2892
2893 # default colour, mask it out
2894 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2895 if $color & cf::NDI_DEF;
2896
2897 my $pkt = "msg "
2898 . $self->{json_coder}->encode (
2899 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2900 );
2901
2902 # try lzf for large packets
2903 $pkt = "lzf " . Compress::LZF::compress $pkt
2904 if 1024 <= length $pkt and $self->{can_lzf};
2905
2906 # split very large packets
2907 if (8192 < length $pkt and $self->{can_lzf}) {
2908 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2909 $pkt = "frag";
2910 }
2911
2912 $self->send_packet ($pkt);
2913}
2914
2915=item $client->ext_msg ($type, @msg)
2916
2917Sends an ext event to the client.
2918
2919=cut
2920
2921sub cf::client::ext_msg($$@) {
2922 my ($self, $type, @msg) = @_;
2923
2924 if ($self->extcmd == 2) {
2925 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2926 } elsif ($self->extcmd == 1) { # TODO: remove
2927 push @msg, msgtype => "event_$type";
2928 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2929 }
2930}
2931
2932=item $client->ext_reply ($msgid, @msg)
2933
2934Sends an ext reply to the client.
2935
2936=cut
2937
2938sub cf::client::ext_reply($$@) {
2939 my ($self, $id, @msg) = @_;
2940
2941 if ($self->extcmd == 2) {
2942 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2943 } elsif ($self->extcmd == 1) {
2944 #TODO: version 1, remove
2945 unshift @msg, msgtype => "reply", msgid => $id;
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
1890 2949
1891=item $success = $client->query ($flags, "text", \&cb) 2950=item $success = $client->query ($flags, "text", \&cb)
1892 2951
1893Queues a query to the client, calling the given callback with 2952Queues a query to the client, calling the given callback with
1894the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2953the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2954C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896 2955
1897Queries can fail, so check the return code. Or don't, as queries will become 2956Queries can fail, so check the return code. Or don't, as queries will
1898reliable at some point in the future. 2957become reliable at some point in the future.
1899 2958
1900=cut 2959=cut
1901 2960
1902sub cf::client::query { 2961sub cf::client::query {
1903 my ($self, $flags, $text, $cb) = @_; 2962 my ($self, $flags, $text, $cb) = @_;
… …
1911 utf8::encode $text; 2970 utf8::encode $text;
1912 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2971 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913 2972
1914 $self->send_packet ($self->{query_queue}[0][0]) 2973 $self->send_packet ($self->{query_queue}[0][0])
1915 if @{ $self->{query_queue} } == 1; 2974 if @{ $self->{query_queue} } == 1;
2975
2976 1
1916} 2977}
1917 2978
1918cf::client->attach ( 2979cf::client->attach (
2980 on_connect => sub {
2981 my ($ns) = @_;
2982
2983 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2984 },
1919 on_reply => sub { 2985 on_reply => sub {
1920 my ($ns, $msg) = @_; 2986 my ($ns, $msg) = @_;
1921 2987
1922 # this weird shuffling is so that direct followup queries 2988 # this weird shuffling is so that direct followup queries
1923 # get handled first 2989 # get handled first
1924 my $queue = delete $ns->{query_queue} 2990 my $queue = delete $ns->{query_queue}
1925 or return; # be conservative, not sure how that can happen, but we saw a crash here 2991 or return; # be conservative, not sure how that can happen, but we saw a crash here
1926 2992
1927 (shift @$queue)->[1]->($msg); 2993 (shift @$queue)->[1]->($msg);
2994 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928 2995
1929 push @{ $ns->{query_queue} }, @$queue; 2996 push @{ $ns->{query_queue} }, @$queue;
1930 2997
1931 if (@{ $ns->{query_queue} } == @$queue) { 2998 if (@{ $ns->{query_queue} } == @$queue) {
1932 if (@$queue) { 2999 if (@$queue) {
… …
1934 } else { 3001 } else {
1935 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3002 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936 } 3003 }
1937 } 3004 }
1938 }, 3005 },
3006 on_exticmd => sub {
3007 my ($ns, $buf) = @_;
3008
3009 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3010
3011 if (ref $msg) {
3012 my ($type, $reply, @payload) =
3013 "ARRAY" eq ref $msg
3014 ? @$msg
3015 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3016
3017 my @reply;
3018
3019 if (my $cb = $EXTICMD{$type}) {
3020 @reply = $cb->($ns, @payload);
3021 }
3022
3023 $ns->ext_reply ($reply, @reply)
3024 if $reply;
3025
3026 } else {
3027 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3028 }
3029
3030 cf::override;
3031 },
1939); 3032);
1940 3033
1941=item $client->async (\&cb) 3034=item $client->async (\&cb)
1942 3035
1943Create a new coroutine, running the specified callback. The coroutine will 3036Create a new coroutine, running the specified callback. The coroutine will
… …
1984our $safe = new Safe "safe"; 3077our $safe = new Safe "safe";
1985our $safe_hole = new Safe::Hole; 3078our $safe_hole = new Safe::Hole;
1986 3079
1987$SIG{FPE} = 'IGNORE'; 3080$SIG{FPE} = 'IGNORE';
1988 3081
1989$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3082$safe->permit_only (Opcode::opset qw(
3083 :base_core :base_mem :base_orig :base_math
3084 grepstart grepwhile mapstart mapwhile
3085 sort time
3086));
1990 3087
1991# here we export the classes and methods available to script code 3088# here we export the classes and methods available to script code
1992 3089
1993=pod 3090=pod
1994 3091
1995The following fucntions and emthods are available within a safe environment: 3092The following functions and methods are available within a safe environment:
1996 3093
1997 cf::object contr pay_amount pay_player map 3094 cf::object
3095 contr pay_amount pay_player map x y force_find force_add destroy
3096 insert remove name archname title slaying race decrease split
3097 value
3098
1998 cf::object::player player 3099 cf::object::player
1999 cf::player peaceful 3100 player
2000 cf::map trigger 3101
3102 cf::player
3103 peaceful
3104
3105 cf::map
3106 trigger
2001 3107
2002=cut 3108=cut
2003 3109
2004for ( 3110for (
2005 ["cf::object" => qw(contr pay_amount pay_player map)], 3111 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3112 insert remove inv nrof name archname title slaying race
3113 decrease split destroy change_exp value msg lore send_msg)],
2006 ["cf::object::player" => qw(player)], 3114 ["cf::object::player" => qw(player)],
2007 ["cf::player" => qw(peaceful)], 3115 ["cf::player" => qw(peaceful send_msg)],
2008 ["cf::map" => qw(trigger)], 3116 ["cf::map" => qw(trigger)],
2009) { 3117) {
2010 no strict 'refs'; 3118 no strict 'refs';
2011 my ($pkg, @funs) = @$_; 3119 my ($pkg, @funs) = @$_;
2012 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3120 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2029 my ($code, %vars) = @_; 3137 my ($code, %vars) = @_;
2030 3138
2031 my $qcode = $code; 3139 my $qcode = $code;
2032 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3140 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2033 $qcode =~ s/\n/\\n/g; 3141 $qcode =~ s/\n/\\n/g;
3142
3143 %vars = (_dummy => 0) unless %vars;
2034 3144
2035 local $_; 3145 local $_;
2036 local @safe::cf::_safe_eval_args = values %vars; 3146 local @safe::cf::_safe_eval_args = values %vars;
2037 3147
2038 my $eval = 3148 my $eval =
… …
2081=back 3191=back
2082 3192
2083=cut 3193=cut
2084 3194
2085############################################################################# 3195#############################################################################
3196# the server's init and main functions
2086 3197
2087=head2 EXTENSION DATABASE SUPPORT 3198sub load_facedata($) {
3199 my ($path) = @_;
2088 3200
2089Crossfire maintains a very simple database for extension use. It can 3201 # HACK to clear player env face cache, we need some signal framework
2090currently store anything that can be serialised using Storable, which 3202 # for this (global event?)
2091excludes objects. 3203 %ext::player_env::MUSIC_FACE_CACHE = ();
2092 3204
2093The parameter C<$family> should best start with the name of the extension 3205 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094using it, it should be unique.
2095 3206
2096=over 4 3207 warn "loading facedata from $path\n";
2097 3208
2098=item $hashref = cf::db_get $family 3209 my $facedata;
3210 0 < aio_load $path, $facedata
3211 or die "$path: $!";
2099 3212
2100Return a hashref for use by the extension C<$family>, which can be 3213 $facedata = Coro::Storable::thaw $facedata;
2101modified. After modifications, you have to call C<cf::db_dirty> or
2102C<cf::db_sync>.
2103 3214
2104=item $value = cf::db_get $family => $key 3215 $facedata->{version} == 2
3216 or cf::cleanup "$path: version mismatch, cannot proceed.";
2105 3217
2106Returns a single value from the database 3218 # patch in the exptable
2107 3219 $facedata->{resource}{"res/exp_table"} = {
2108=item cf::db_put $family => $hashref 3220 type => FT_RSRC,
2109 3221 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110Stores the given family hashref into the database. Updates are delayed, if
2111you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113=item cf::db_put $family => $key => $value
2114
2115Stores the given C<$value> in the family hash. Updates are delayed, if you
2116want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118=item cf::db_dirty
2119
2120Marks the database as dirty, to be updated at a later time.
2121
2122=item cf::db_sync
2123
2124Immediately write the database to disk I<if it is dirty>.
2125
2126=cut
2127
2128our $DB;
2129
2130{
2131 my $path = cf::localdir . "/database.pst";
2132
2133 sub db_load() {
2134 $DB = stat $path ? Storable::retrieve $path : { };
2135 }
2136
2137 my $pid;
2138
2139 sub db_save() {
2140 waitpid $pid, 0 if $pid;
2141 if (0 == ($pid = fork)) {
2142 $DB->{_meta}{version} = 1;
2143 Storable::nstore $DB, "$path~";
2144 rename "$path~", $path;
2145 cf::_exit 0 if defined $pid;
2146 }
2147 }
2148
2149 my $dirty;
2150
2151 sub db_sync() {
2152 db_save if $dirty;
2153 undef $dirty;
2154 }
2155
2156 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157 db_sync;
2158 }); 3222 };
3223 cf::cede_to_tick;
2159 3224
2160 sub db_dirty() {
2161 $dirty = 1;
2162 $idle->start;
2163 } 3225 {
3226 my $faces = $facedata->{faceinfo};
2164 3227
2165 sub db_get($;$) { 3228 while (my ($face, $info) = each %$faces) {
2166 @_ >= 2 3229 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167 ? $DB->{$_[0]}{$_[1]}
2168 : ($DB->{$_[0]} ||= { })
2169 }
2170 3230
2171 sub db_put($$;$) { 3231 cf::face::set_visibility $idx, $info->{visibility};
2172 if (@_ >= 3) { 3232 cf::face::set_magicmap $idx, $info->{magicmap};
2173 $DB->{$_[0]}{$_[1]} = $_[2]; 3233 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2174 } else { 3234 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2175 $DB->{$_[0]} = $_[1];
2176 }
2177 db_dirty;
2178 }
2179 3235
2180 cf::global->attach ( 3236 cf::cede_to_tick;
2181 prio => 10000,
2182 on_cleanup => sub {
2183 db_sync;
2184 }, 3237 }
2185 );
2186}
2187 3238
2188############################################################################# 3239 while (my ($face, $info) = each %$faces) {
2189# the server's main() 3240 next unless $info->{smooth};
2190 3241
2191sub cfg_load { 3242 my $idx = cf::face::find $face
3243 or next;
3244
3245 if (my $smooth = cf::face::find $info->{smooth}) {
3246 cf::face::set_smooth $idx, $smooth;
3247 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3248 } else {
3249 warn "smooth face '$info->{smooth}' not found for face '$face'";
3250 }
3251
3252 cf::cede_to_tick;
3253 }
3254 }
3255
3256 {
3257 my $anims = $facedata->{animinfo};
3258
3259 while (my ($anim, $info) = each %$anims) {
3260 cf::anim::set $anim, $info->{frames}, $info->{facings};
3261 cf::cede_to_tick;
3262 }
3263
3264 cf::anim::invalidate_all; # d'oh
3265 }
3266
3267 {
3268 # TODO: for gcfclient pleasure, we should give resources
3269 # that gcfclient doesn't grok a >10000 face index.
3270 my $res = $facedata->{resource};
3271
3272 while (my ($name, $info) = each %$res) {
3273 if (defined $info->{type}) {
3274 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3275 my $data;
3276
3277 if ($info->{type} & 1) {
3278 # prepend meta info
3279
3280 my $meta = $enc->encode ({
3281 name => $name,
3282 %{ $info->{meta} || {} },
3283 });
3284
3285 $data = pack "(w/a*)*", $meta, $info->{data};
3286 } else {
3287 $data = $info->{data};
3288 }
3289
3290 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3291 cf::face::set_type $idx, $info->{type};
3292 } else {
3293 $RESOURCE{$name} = $info;
3294 }
3295
3296 cf::cede_to_tick;
3297 }
3298 }
3299
3300 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3301
3302 1
3303}
3304
3305cf::global->attach (on_resource_update => sub {
3306 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3307 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3308
3309 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3310 my $sound = $soundconf->{compat}[$_]
3311 or next;
3312
3313 my $face = cf::face::find "sound/$sound->[1]";
3314 cf::sound::set $sound->[0] => $face;
3315 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3316 }
3317
3318 while (my ($k, $v) = each %{$soundconf->{event}}) {
3319 my $face = cf::face::find "sound/$v";
3320 cf::sound::set $k => $face;
3321 }
3322 }
3323});
3324
3325register_exticmd fx_want => sub {
3326 my ($ns, $want) = @_;
3327
3328 while (my ($k, $v) = each %$want) {
3329 $ns->fx_want ($k, $v);
3330 }
3331};
3332
3333sub load_resource_file($) {
3334 my $guard = lock_acquire "load_resource_file";
3335
3336 my $status = load_resource_file_ $_[0];
3337 get_slot 0.1, 100;
3338 cf::arch::commit_load;
3339
3340 $status
3341}
3342
3343sub reload_regions {
3344 # HACK to clear player env face cache, we need some signal framework
3345 # for this (global event?)
3346 %ext::player_env::MUSIC_FACE_CACHE = ();
3347
3348 load_resource_file "$MAPDIR/regions"
3349 or die "unable to load regions file\n";
3350
3351 for (cf::region::list) {
3352 $_->{match} = qr/$_->{match}/
3353 if exists $_->{match};
3354 }
3355}
3356
3357sub reload_facedata {
3358 load_facedata "$DATADIR/facedata"
3359 or die "unable to load facedata\n";
3360}
3361
3362sub reload_archetypes {
3363 load_resource_file "$DATADIR/archetypes"
3364 or die "unable to load archetypes\n";
3365}
3366
3367sub reload_treasures {
3368 load_resource_file "$DATADIR/treasures"
3369 or die "unable to load treasurelists\n";
3370}
3371
3372sub reload_resources {
3373 warn "reloading resource files...\n";
3374
3375 reload_facedata;
3376 reload_archetypes;
3377 reload_regions;
3378 reload_treasures;
3379
3380 warn "finished reloading resource files\n";
3381}
3382
3383sub reload_config {
2192 open my $fh, "<:utf8", cf::confdir . "/config" 3384 open my $fh, "<:utf8", "$CONFDIR/config"
2193 or return; 3385 or return;
2194 3386
2195 local $/; 3387 local $/;
2196 *CFG = YAML::Syck::Load <$fh>; 3388 *CFG = YAML::Load <$fh>;
2197 3389
2198 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3390 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2199 3391
2200 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3392 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2201 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3393 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2207 }; 3399 };
2208 warn $@ if $@; 3400 warn $@ if $@;
2209 } 3401 }
2210} 3402}
2211 3403
3404sub pidfile() {
3405 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3406 or die "$PIDFILE: $!";
3407 flock $fh, &Fcntl::LOCK_EX
3408 or die "$PIDFILE: flock: $!";
3409 $fh
3410}
3411
3412# make sure only one server instance is running at any one time
3413sub atomic {
3414 my $fh = pidfile;
3415
3416 my $pid = <$fh>;
3417 kill 9, $pid if $pid > 0;
3418
3419 seek $fh, 0, 0;
3420 print $fh $$;
3421}
3422
3423sub main_loop {
3424 warn "EV::loop starting\n";
3425 if (1) {
3426 EV::loop;
3427 }
3428 warn "EV::loop returned\n";
3429 goto &main_loop unless $REALLY_UNLOOP;
3430}
3431
2212sub main { 3432sub main {
3433 cf::init_globals; # initialise logging
3434
3435 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3436 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3437 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3438 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3439
3440 cf::init_experience;
3441 cf::init_anim;
3442 cf::init_attackmess;
3443 cf::init_dynamic;
3444
3445 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3446
2213 # we must not ever block the main coroutine 3447 # we must not ever block the main coroutine
2214 local $Coro::idle = sub { 3448 local $Coro::idle = sub {
2215 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3449 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2216 async { Event::one_event }; 3450 (async {
3451 $Coro::current->{desc} = "IDLE BUG HANDLER";
3452 EV::loop EV::LOOP_ONESHOT;
3453 })->prio (Coro::PRIO_MAX);
2217 }; 3454 };
2218 3455
2219 cfg_load; 3456 evthread_start IO::AIO::poll_fileno;
2220 db_load; 3457
3458 cf::sync_job {
3459 reload_resources;
3460 reload_config;
3461 db_init;
3462
3463 cf::load_settings;
3464 cf::load_materials;
3465 cf::init_uuid;
3466 cf::init_signals;
3467 cf::init_commands;
3468 cf::init_skills;
3469
3470 cf::init_beforeplay;
3471
3472 atomic;
3473
2221 load_extensions; 3474 load_extensions;
2222 Event::loop; 3475
3476 utime time, time, $RUNTIMEFILE;
3477
3478 # no (long-running) fork's whatsoever before this point(!)
3479 use POSIX ();
3480 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3481
3482 (pop @POST_INIT)->(0) while @POST_INIT;
3483 };
3484
3485 main_loop;
2223} 3486}
2224 3487
2225############################################################################# 3488#############################################################################
2226# initialisation and cleanup 3489# initialisation and cleanup
2227 3490
2228# install some emergency cleanup handlers 3491# install some emergency cleanup handlers
2229BEGIN { 3492BEGIN {
3493 our %SIGWATCHER = ();
2230 for my $signal (qw(INT HUP TERM)) { 3494 for my $signal (qw(INT HUP TERM)) {
2231 Event->signal ( 3495 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2232 data => WF_AUTOCANCEL,
2233 signal => $signal,
2234 cb => sub {
2235 cf::cleanup "SIG$signal"; 3496 cf::cleanup "SIG$signal";
2236 },
2237 ); 3497 };
3498 }
3499}
3500
3501sub write_runtime_sync {
3502 # first touch the runtime file to show we are still running:
3503 # the fsync below can take a very very long time.
3504
3505 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3506
3507 my $guard = cf::lock_acquire "write_runtime";
3508
3509 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3510 or return;
3511
3512 my $value = $cf::RUNTIME + 90 + 10;
3513 # 10 is the runtime save interval, for a monotonic clock
3514 # 60 allows for the watchdog to kill the server.
3515
3516 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3517 and return;
3518
3519 # always fsync - this file is important
3520 aio_fsync $fh
3521 and return;
3522
3523 # touch it again to show we are up-to-date
3524 aio_utime $fh, undef, undef;
3525
3526 close $fh
3527 or return;
3528
3529 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3530 and return;
3531
3532 warn "runtime file written.\n";
3533
2238 } 3534 1
3535}
3536
3537our $uuid_lock;
3538our $uuid_skip;
3539
3540sub write_uuid_sync($) {
3541 $uuid_skip ||= $_[0];
3542
3543 return if $uuid_lock;
3544 local $uuid_lock = 1;
3545
3546 my $uuid = "$LOCALDIR/uuid";
3547
3548 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3549 or return;
3550
3551 my $value = uuid_seq uuid_cur;
3552
3553 unless ($value) {
3554 warn "cowardly refusing to write zero uuid value!\n";
3555 return;
3556 }
3557
3558 my $value = uuid_str $value + $uuid_skip;
3559 $uuid_skip = 0;
3560
3561 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3562 and return;
3563
3564 # always fsync - this file is important
3565 aio_fsync $fh
3566 and return;
3567
3568 close $fh
3569 or return;
3570
3571 aio_rename "$uuid~", $uuid
3572 and return;
3573
3574 warn "uuid file written ($value).\n";
3575
3576 1
3577
3578}
3579
3580sub write_uuid($$) {
3581 my ($skip, $sync) = @_;
3582
3583 $sync ? write_uuid_sync $skip
3584 : async { write_uuid_sync $skip };
2239} 3585}
2240 3586
2241sub emergency_save() { 3587sub emergency_save() {
2242 my $freeze_guard = cf::freeze_mainloop; 3588 my $freeze_guard = cf::freeze_mainloop;
2243 3589
2244 warn "enter emergency perl save\n"; 3590 warn "emergency_perl_save: enter\n";
2245 3591
2246 cf::sync_job { 3592 cf::sync_job {
3593 # this is a trade-off: we want to be very quick here, so
3594 # save all maps without fsync, and later call a global sync
3595 # (which in turn might be very very slow)
3596 local $USE_FSYNC = 0;
3597
2247 # use a peculiar iteration method to avoid tripping on perl 3598 # use a peculiar iteration method to avoid tripping on perl
2248 # refcount bugs in for. also avoids problems with players 3599 # refcount bugs in for. also avoids problems with players
2249 # and maps saved/destroyed asynchronously. 3600 # and maps saved/destroyed asynchronously.
2250 warn "begin emergency player save\n"; 3601 warn "emergency_perl_save: begin player save\n";
2251 for my $login (keys %cf::PLAYER) { 3602 for my $login (keys %cf::PLAYER) {
2252 my $pl = $cf::PLAYER{$login} or next; 3603 my $pl = $cf::PLAYER{$login} or next;
2253 $pl->valid or next; 3604 $pl->valid or next;
3605 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2254 $pl->save; 3606 $pl->save;
2255 } 3607 }
2256 warn "end emergency player save\n"; 3608 warn "emergency_perl_save: end player save\n";
2257 3609
2258 warn "begin emergency map save\n"; 3610 warn "emergency_perl_save: begin map save\n";
2259 for my $path (keys %cf::MAP) { 3611 for my $path (keys %cf::MAP) {
2260 my $map = $cf::MAP{$path} or next; 3612 my $map = $cf::MAP{$path} or next;
2261 $map->valid or next; 3613 $map->valid or next;
2262 $map->save; 3614 $map->save;
2263 } 3615 }
2264 warn "end emergency map save\n"; 3616 warn "emergency_perl_save: end map save\n";
3617
3618 warn "emergency_perl_save: begin database checkpoint\n";
3619 BDB::db_env_txn_checkpoint $DB_ENV;
3620 warn "emergency_perl_save: end database checkpoint\n";
3621
3622 warn "emergency_perl_save: begin write uuid\n";
3623 write_uuid_sync 1;
3624 warn "emergency_perl_save: end write uuid\n";
2265 }; 3625 };
2266 3626
3627 warn "emergency_perl_save: starting sync()\n";
3628 IO::AIO::aio_sync sub {
3629 warn "emergency_perl_save: finished sync()\n";
3630 };
3631
2267 warn "leave emergency perl save\n"; 3632 warn "emergency_perl_save: leave\n";
2268} 3633}
2269 3634
3635sub post_cleanup {
3636 my ($make_core) = @_;
3637
3638 warn Carp::longmess "post_cleanup backtrace"
3639 if $make_core;
3640
3641 my $fh = pidfile;
3642 unlink $PIDFILE if <$fh> == $$;
3643}
3644
3645# a safer delete_package, copied from Symbol
3646sub clear_package($) {
3647 my $pkg = shift;
3648
3649 # expand to full symbol table name if needed
3650 unless ($pkg =~ /^main::.*::$/) {
3651 $pkg = "main$pkg" if $pkg =~ /^::/;
3652 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3653 $pkg .= '::' unless $pkg =~ /::$/;
3654 }
3655
3656 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3657 my $stem_symtab = *{$stem}{HASH};
3658
3659 defined $stem_symtab and exists $stem_symtab->{$leaf}
3660 or return;
3661
3662 # clear all symbols
3663 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3664 for my $name (keys %$leaf_symtab) {
3665 _gv_clear *{"$pkg$name"};
3666# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3667 }
3668 warn "cleared package $pkg\n";#d#
3669}
3670
2270sub reload() { 3671sub do_reload_perl() {
2271 # can/must only be called in main 3672 # can/must only be called in main
2272 if ($Coro::current != $Coro::main) { 3673 if ($Coro::current != $Coro::main) {
2273 warn "can only reload from main coroutine\n"; 3674 warn "can only reload from main coroutine";
2274 return; 3675 return;
2275 } 3676 }
2276 3677
3678 return if $RELOAD++;
3679
3680 my $t1 = EV::time;
3681
3682 while ($RELOAD) {
2277 warn "reloading..."; 3683 warn "reloading...";
2278 3684
2279 warn "freezing server"; 3685 warn "entering sync_job";
2280 my $guard = freeze_mainloop; 3686
3687 cf::sync_job {
3688 cf::write_runtime_sync; # external watchdog should not bark
2281 cf::emergency_save; 3689 cf::emergency_save;
3690 cf::write_runtime_sync; # external watchdog should not bark
2282 3691
2283 warn "sync database to disk"; 3692 warn "syncing database to disk";
2284 cf::db_sync; 3693 BDB::db_env_txn_checkpoint $DB_ENV;
2285 IO::AIO::flush;
2286 3694
2287 eval {
2288 # if anything goes wrong in here, we should simply crash as we already saved 3695 # if anything goes wrong in here, we should simply crash as we already saved
2289 3696
2290 warn "cancel all watchers"; 3697 warn "flushing outstanding aio requests";
2291 for (Event::all_watchers) { 3698 while (IO::AIO::nreqs || BDB::nreqs) {
2292 $_->cancel if $_->data & WF_AUTOCANCEL; 3699 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2293 }
2294
2295 warn "cancel all extension coros";
2296 $_->cancel for values %EXT_CORO;
2297 %EXT_CORO = ();
2298
2299 warn "remove commands";
2300 %COMMAND = ();
2301
2302 warn "remove ext commands";
2303 %EXTCMD = ();
2304
2305 warn "unload/nuke all extensions";
2306 for my $pkg (@EXTS) {
2307 warn "... unloading $pkg";
2308
2309 if (my $cb = $pkg->can ("unload")) {
2310 eval {
2311 $cb->($pkg);
2312 1
2313 } or warn "$pkg unloaded, but with errors: $@";
2314 } 3700 }
2315 3701
3702 warn "cancelling all extension coros";
3703 $_->cancel for values %EXT_CORO;
3704 %EXT_CORO = ();
3705
3706 warn "removing commands";
3707 %COMMAND = ();
3708
3709 warn "removing ext/exti commands";
3710 %EXTCMD = ();
3711 %EXTICMD = ();
3712
3713 warn "unloading/nuking all extensions";
3714 for my $pkg (@EXTS) {
2316 warn "... nuking $pkg"; 3715 warn "... unloading $pkg";
2317 Symbol::delete_package $pkg;
2318 }
2319 3716
2320 warn "unload all perl modules loaded from $LIBDIR";
2321 while (my ($k, $v) = each %INC) {
2322 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323
2324 warn "removing <$k>";
2325 delete $INC{$k};
2326
2327 $k =~ s/\.pm$//;
2328 $k =~ s/\//::/g;
2329
2330 if (my $cb = $k->can ("unload_module")) { 3717 if (my $cb = $pkg->can ("unload")) {
3718 eval {
2331 $cb->(); 3719 $cb->($pkg);
3720 1
3721 } or warn "$pkg unloaded, but with errors: $@";
3722 }
3723
3724 warn "... clearing $pkg";
3725 clear_package $pkg;
2332 } 3726 }
2333 3727
2334 Symbol::delete_package $k; 3728 warn "unloading all perl modules loaded from $LIBDIR";
3729 while (my ($k, $v) = each %INC) {
3730 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3731
3732 warn "... unloading $k";
3733 delete $INC{$k};
3734
3735 $k =~ s/\.pm$//;
3736 $k =~ s/\//::/g;
3737
3738 if (my $cb = $k->can ("unload_module")) {
3739 $cb->();
3740 }
3741
3742 clear_package $k;
2335 } 3743 }
2336 3744
2337 warn "get rid of safe::, as good as possible"; 3745 warn "getting rid of safe::, as good as possible";
2338 Symbol::delete_package "safe::$_" 3746 clear_package "safe::$_"
2339 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3747 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340 3748
2341 warn "unload cf.pm \"a bit\""; 3749 warn "unloading cf.pm \"a bit\"";
2342 delete $INC{"cf.pm"}; 3750 delete $INC{"cf.pm"};
3751 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2343 3752
2344 # don't, removes xs symbols, too, 3753 # don't, removes xs symbols, too,
2345 # and global variables created in xs 3754 # and global variables created in xs
2346 #Symbol::delete_package __PACKAGE__; 3755 #clear_package __PACKAGE__;
2347 3756
3757 warn "unload completed, starting to reload now";
3758
2348 warn "reloading cf.pm"; 3759 warn "reloading cf.pm";
2349 require cf; 3760 require cf;
2350 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3761 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351 3762
2352 warn "load config and database again"; 3763 warn "loading config and database again";
2353 cf::cfg_load; 3764 cf::reload_config;
2354 cf::db_load;
2355 3765
2356 warn "load extensions"; 3766 warn "loading extensions";
2357 cf::load_extensions; 3767 cf::load_extensions;
2358 3768
3769 if ($REATTACH_ON_RELOAD) {
2359 warn "reattach attachments to objects/players"; 3770 warn "reattaching attachments to objects/players";
2360 _global_reattach; 3771 _global_reattach; # objects, sockets
2361 warn "reattach attachments to maps"; 3772 warn "reattaching attachments to maps";
2362 reattach $_ for values %MAP; 3773 reattach $_ for values %MAP;
3774 warn "reattaching attachments to players";
3775 reattach $_ for values %PLAYER;
3776 }
3777
3778 warn "running post_init jobs";
3779 (pop @POST_INIT)->(1) while @POST_INIT;
3780
3781 warn "leaving sync_job";
3782
3783 1
3784 } or do {
3785 warn $@;
3786 cf::cleanup "error while reloading, exiting.";
3787 };
3788
3789 warn "reloaded";
3790 --$RELOAD;
3791 }
3792
3793 $t1 = EV::time - $t1;
3794 warn "reload completed in ${t1}s\n";
3795};
3796
3797our $RELOAD_WATCHER; # used only during reload
3798
3799sub reload_perl() {
3800 # doing reload synchronously and two reloads happen back-to-back,
3801 # coro crashes during coro_state_free->destroy here.
3802
3803 $RELOAD_WATCHER ||= cf::async {
3804 Coro::AIO::aio_wait cache_extensions;
3805
3806 $RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
3807 do_reload_perl;
3808 undef $RELOAD_WATCHER;
3809 };
2363 }; 3810 };
2364 3811}
2365 if ($@) {
2366 warn $@;
2367 warn "error while reloading, exiting.";
2368 exit 1;
2369 }
2370
2371 warn "reloaded";
2372};
2373 3812
2374register_command "reload" => sub { 3813register_command "reload" => sub {
2375 my ($who, $arg) = @_; 3814 my ($who, $arg) = @_;
2376 3815
2377 if ($who->flag (FLAG_WIZ)) { 3816 if ($who->flag (FLAG_WIZ)) {
2378 $who->message ("start of reload.");
2379 reload;
2380 $who->message ("end of reload."); 3817 $who->message ("reloading server.");
3818 async {
3819 $Coro::current->{desc} = "perl_reload";
3820 reload_perl;
3821 };
2381 } 3822 }
2382}; 3823};
2383 3824
2384unshift @INC, $LIBDIR; 3825unshift @INC, $LIBDIR;
2385 3826
2386$TICK_WATCHER = Event->timer ( 3827my $bug_warning = 0;
2387 reentrant => 0,
2388 prio => 0,
2389 at => $NEXT_TICK || $TICK,
2390 data => WF_AUTOCANCEL,
2391 cb => sub {
2392 $NOW = Event::time;
2393 3828
3829our @WAIT_FOR_TICK;
3830our @WAIT_FOR_TICK_BEGIN;
3831
3832sub wait_for_tick {
3833 return if tick_inhibit || $Coro::current == $Coro::main;
3834
3835 my $signal = new Coro::Signal;
3836 push @WAIT_FOR_TICK, $signal;
3837 $signal->wait;
3838}
3839
3840sub wait_for_tick_begin {
3841 return if tick_inhibit || $Coro::current == $Coro::main;
3842
3843 my $signal = new Coro::Signal;
3844 push @WAIT_FOR_TICK_BEGIN, $signal;
3845 $signal->wait;
3846}
3847
3848sub tick {
3849 if ($Coro::current != $Coro::main) {
3850 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3851 unless ++$bug_warning > 10;
3852 return;
3853 }
3854
2394 cf::server_tick; # one server iteration 3855 cf::server_tick; # one server iteration
2395 $RUNTIME += $TICK;
2396 $NEXT_TICK += $TICK;
2397 3856
2398 $WAIT_FOR_TICK->broadcast; 3857 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3858 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2400 3859 Coro::async_pool {
2401 # if we are delayed by four ticks or more, skip them all 3860 $Coro::current->{desc} = "runtime saver";
2402 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2403
2404 $TICK_WATCHER->at ($NEXT_TICK);
2405 $TICK_WATCHER->start;
2406 },
2407);
2408
2409IO::AIO::max_poll_time $TICK * 0.2;
2410
2411$AIO_POLL_WATCHER = Event->io (
2412 fd => IO::AIO::poll_fileno,
2413 poll => 'r',
2414 prio => 5,
2415 data => WF_AUTOCANCEL,
2416 cb => \&IO::AIO::poll_cb,
2417);
2418
2419$WRITE_RUNTIME_WATCHER = Event->timer (
2420 data => WF_AUTOCANCEL,
2421 after => 0,
2422 interval => 10,
2423 cb => sub {
2424 (Coro::unblock_sub {
2425 write_runtime 3861 write_runtime_sync
2426 or warn "ERROR: unable to write runtime file: $!"; 3862 or warn "ERROR: unable to write runtime file: $!";
2427 })->(); 3863 };
2428 }, 3864 }
2429); 3865
3866 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3867 $sig->send;
3868 }
3869 while (my $sig = shift @WAIT_FOR_TICK) {
3870 $sig->send;
3871 }
3872
3873 $LOAD = ($NOW - $TICK_START) / $TICK;
3874 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3875
3876 if (0) {
3877 if ($NEXT_TICK) {
3878 my $jitter = $TICK_START - $NEXT_TICK;
3879 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3880 warn "jitter $JITTER\n";#d#
3881 }
3882 }
3883}
3884
3885{
3886 # configure BDB
3887
3888 BDB::min_parallel 8;
3889 BDB::max_poll_reqs $TICK * 0.1;
3890 $AnyEvent::BDB::WATCHER->priority (1);
3891
3892 unless ($DB_ENV) {
3893 $DB_ENV = BDB::db_env_create;
3894 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3895 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3896 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3897 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3898 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3899
3900 cf::sync_job {
3901 eval {
3902 BDB::db_env_open
3903 $DB_ENV,
3904 $BDBDIR,
3905 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3906 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3907 0666;
3908
3909 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3910 };
3911
3912 cf::cleanup "db_env_open(db): $@" if $@;
3913 };
3914 }
3915
3916 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3917 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3918 };
3919 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3920 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3921 };
3922 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3923 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3924 };
3925}
3926
3927{
3928 # configure IO::AIO
3929
3930 IO::AIO::min_parallel 8;
3931 IO::AIO::max_poll_time $TICK * 0.1;
3932 undef $AnyEvent::AIO::WATCHER;
3933}
3934
3935my $_log_backtrace;
3936
3937sub _log_backtrace {
3938 my ($msg, @addr) = @_;
3939
3940 $msg =~ s/\n//;
3941
3942 # limit the # of concurrent backtraces
3943 if ($_log_backtrace < 2) {
3944 ++$_log_backtrace;
3945 my $perl_bt = Carp::longmess $msg;
3946 async {
3947 $Coro::current->{desc} = "abt $msg";
3948
3949 my @bt = fork_call {
3950 @addr = map { sprintf "%x", $_ } @addr;
3951 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3952 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3953 or die "addr2line: $!";
3954
3955 my @funcs;
3956 my @res = <$fh>;
3957 chomp for @res;
3958 while (@res) {
3959 my ($func, $line) = splice @res, 0, 2, ();
3960 push @funcs, "[$func] $line";
3961 }
3962
3963 @funcs
3964 };
3965
3966 LOG llevInfo, "[ABT] $perl_bt\n";
3967 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3968 LOG llevInfo, "[ABT] $_\n" for @bt;
3969 --$_log_backtrace;
3970 };
3971 } else {
3972 LOG llevInfo, "[ABT] $msg\n";
3973 LOG llevInfo, "[ABT] [suppressed]\n";
3974 }
3975}
3976
3977# load additional modules
3978require "cf/$_.pm" for @EXTRA_MODULES;
2430 3979
2431END { cf::emergency_save } 3980END { cf::emergency_save }
2432 3981
24331 39821
2434 3983

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