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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.518 by root, Fri Apr 16 02:21:26 2010 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify it under
7# the terms of the Affero GNU General Public License as published by the
8# Free Software Foundation, either version 3 of the License, or (at your
9# option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the Affero GNU General Public License
17# and the GNU General Public License along with this program. If not, see
18# <http://www.gnu.org/licenses/>.
19#
20# The authors can be reached via e-mail to <support@deliantra.net>
21#
22
1package cf; 23package cf;
2 24
25use 5.10.0;
3use utf8; 26use utf8;
4use strict; 27use strict qw(vars subs);
5 28
6use Symbol; 29use Symbol;
7use List::Util; 30use List::Util;
8use Storable; 31use Socket;
32use EV;
9use Opcode; 33use Opcode;
10use Safe; 34use Safe;
11use Safe::Hole; 35use Safe::Hole;
36use Storable ();
37use Carp ();
12 38
39use Guard ();
13use Coro 3.5 (); 40use Coro ();
41use Coro::State;
42use Coro::Handle;
43use Coro::EV;
14use Coro::Event; 44use Coro::AnyEvent;
15use Coro::Timer; 45use Coro::Timer;
16use Coro::Signal; 46use Coro::Signal;
17use Coro::Semaphore; 47use Coro::Semaphore;
48use Coro::SemaphoreSet;
49use Coro::AnyEvent;
18use Coro::AIO; 50use Coro::AIO;
51use Coro::BDB 1.6;
52use Coro::Storable;
53use Coro::Util ();
19 54
55use JSON::XS 2.01 ();
56use BDB ();
20use Data::Dumper; 57use Data::Dumper;
21use Digest::MD5;
22use Fcntl; 58use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 59use YAML::XS ();
60use IO::AIO ();
25use Time::HiRes; 61use Time::HiRes;
62use Compress::LZF;
63use Digest::MD5 ();
26 64
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 65AnyEvent::detect;
66
67# configure various modules to our taste
68#
69$Storable::canonical = 1; # reduce rsync transfers
70Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
71
72$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
73
74# make sure c-lzf reinitialises itself
75Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
76Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
77
78# strictly for debugging
79$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28 80
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 81sub 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 82
36our %COMMAND = (); 83our %COMMAND = ();
37our %COMMAND_TIME = (); 84our %COMMAND_TIME = ();
38 85
39our @EXTS = (); # list of extension package names 86our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 87our %EXTCMD = ();
88our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 89our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 90our %EXT_MAP = (); # pluggable maps
43 91
92our $RELOAD; # number of reloads so far, non-zero while in reload
44our @EVENT; 93our @EVENT;
45our $LIBDIR = datadir . "/ext"; 94our @REFLECT; # set by XS
95our %REFLECT; # set by us
46 96
47our $TICK = MAX_TIME * 1e-6; 97our $CONFDIR = confdir;
48our $TICK_WATCHER; 98our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 99our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 100our $PODDIR = "$DATADIR/pod";
101our $MAPDIR = "$DATADIR/" . mapdir;
102our $LOCALDIR = localdir;
103our $TMPDIR = "$LOCALDIR/" . tmpdir;
104our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
105our $PLAYERDIR = "$LOCALDIR/" . playerdir;
106our $RANDOMDIR = "$LOCALDIR/random";
107our $BDBDIR = "$LOCALDIR/db";
108our $PIDFILE = "$LOCALDIR/pid";
109our $RUNTIMEFILE = "$LOCALDIR/runtime";
110
111our %RESOURCE;
112
113our $OUTPUT_RATE_MIN = 4000;
114our $OUTPUT_RATE_MAX = 100000;
115
116our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
117our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 118our $NEXT_TICK;
52our $NOW; 119our $USE_FSYNC = 1; # use fsync to write maps - default on
120
121our $BDB_DEADLOCK_WATCHER;
122our $BDB_CHECKPOINT_WATCHER;
123our $BDB_TRICKLE_WATCHER;
124our $DB_ENV;
125
126our @EXTRA_MODULES = qw(pod match mapscript);
53 127
54our %CFG; 128our %CFG;
55 129
56our $UPTIME; $UPTIME ||= time; 130our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 131our $RUNTIME;
132our $NOW;
58 133
59our %PLAYER; # all users 134our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 135our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 136our $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;
66 137
67# used to convert map paths into valid unix filenames by replacing / by ∕ 138# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 139our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 140
141our $LOAD; # a number between 0 (idle) and 1 (too many objects)
142our $LOADAVG; # same thing, but with alpha-smoothing
143our $JITTER; # average jitter
144our $TICK_START; # for load detecting purposes
145
146our @POST_INIT;
147
148our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
149our $REALLY_UNLOOP; # never set to true, please :)
150
70binmode STDOUT; 151binmode STDOUT;
71binmode STDERR; 152binmode STDERR;
72 153
73# read virtual server time, if available 154# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 155unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 156 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 157 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 158 $RUNTIME = <$fh> + 0.;
78} 159}
79 160
80mkdir cf::localdir; 161eval "sub TICK() { $TICK } 1" or die;
81mkdir cf::localdir . "/" . cf::playerdir; 162
82mkdir cf::localdir . "/" . cf::tmpdir; 163mkdir $_
83mkdir cf::localdir . "/" . cf::uniquedir; 164 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84mkdir $RANDOM_MAPS;
85 165
86our $EMERGENCY_POSITION; 166our $EMERGENCY_POSITION;
87 167
88sub cf::map::normalise; 168sub cf::map::normalise;
169
170#############################################################################
171
172%REFLECT = ();
173for (@REFLECT) {
174 my $reflect = JSON::XS::decode_json $_;
175 $REFLECT{$reflect->{class}} = $reflect;
176}
177
178# this is decidedly evil
179$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
89 180
90############################################################################# 181#############################################################################
91 182
92=head2 GLOBAL VARIABLES 183=head2 GLOBAL VARIABLES
93 184
… …
100=item $cf::RUNTIME 191=item $cf::RUNTIME
101 192
102The time this server has run, starts at 0 and is increased by $cf::TICK on 193The time this server has run, starts at 0 and is increased by $cf::TICK on
103every server tick. 194every server tick.
104 195
105=item $cf::LIBDIR 196=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
197$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
198$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106 199
107The perl library directory, where extensions and cf-specific modules can 200Various directories - "/etc", read-only install directory, perl-library
108be found. It will be added to C<@INC> automatically. 201directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
202unique-items directory, player file directory, random maps directory and
203database environment.
109 204
110=item $cf::NOW 205=item $cf::NOW
111 206
112The time of the last (current) server tick. 207The time of the last (current) server tick.
113 208
114=item $cf::TICK 209=item $cf::TICK
115 210
116The interval between server ticks, in seconds. 211The interval between server ticks, in seconds.
117 212
213=item $cf::LOADAVG
214
215The current CPU load on the server (alpha-smoothed), as a value between 0
216(none) and 1 (overloaded), indicating how much time is spent on processing
217objects per tick. Healthy values are < 0.5.
218
219=item $cf::LOAD
220
221The raw value load value from the last tick.
222
118=item %cf::CFG 223=item %cf::CFG
119 224
120Configuration for the server, loaded from C</etc/crossfire/config>, or 225Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121from wherever your confdir points to. 226from wherever your confdir points to.
122 227
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 228=item cf::wait_for_tick, cf::wait_for_tick_begin
124 229
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 230These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 231returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 232per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick. 233
234=item @cf::INVOKE_RESULTS
235
236This array contains the results of the last C<invoke ()> call. When
237C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
238that call.
239
240=item %cf::REFLECT
241
242Contains, for each (C++) class name, a hash reference with information
243about object members (methods, scalars, arrays and flags) and other
244metadata, which is useful for introspection.
129 245
130=back 246=back
131 247
132=cut 248=cut
133 249
134BEGIN { 250$Coro::State::WARNHOOK = sub {
135 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 251 my $msg = join "", @_;
137 utf8::encode $msg;
138 252
139 $msg .= "\n" 253 $msg .= "\n"
140 unless $msg =~ /\n$/; 254 unless $msg =~ /\n$/;
141 255
256 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
257
142 LOG llevError, $msg; 258 LOG llevError, $msg;
143 }; 259};
144} 260
261$Coro::State::DIEHOOK = sub {
262 return unless $^S eq 0; # "eq", not "=="
263
264 warn Carp::longmess $_[0];
265
266 if ($Coro::current == $Coro::main) {#d#
267 warn "DIEHOOK called in main context, Coro bug?\n";#d#
268 return;#d#
269 }#d#
270
271 # kill coroutine otherwise
272 Coro::terminate
273};
145 274
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 275@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 276@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 277@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 278@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 279@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
280@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 281@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152 282
153# we bless all objects into (empty) derived classes to force a method lookup 283# we bless all objects into (empty) derived classes to force a method lookup
154# within the Safe compartment. 284# within the Safe compartment.
155for my $pkg (qw( 285for my $pkg (qw(
156 cf::global cf::attachable 286 cf::global cf::attachable
157 cf::object cf::object::player 287 cf::object cf::object::player
158 cf::client cf::player 288 cf::client cf::player
159 cf::arch cf::living 289 cf::arch cf::living
290 cf::map cf::mapspace
160 cf::map cf::party cf::region 291 cf::party cf::region
161)) { 292)) {
162 no strict 'refs';
163 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 293 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164} 294}
165 295
166$Event::DIED = sub { 296$EV::DIED = sub {
167 warn "error in event callback: @_"; 297 Carp::cluck "error in event callback: @_";
168}; 298};
299
300#############################################################################
169 301
170=head2 UTILITY FUNCTIONS 302=head2 UTILITY FUNCTIONS
171 303
172=over 4 304=over 4
173 305
… …
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 324 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 325 $d
194 } || "[unable to dump $_[0]: '$@']"; 326 } || "[unable to dump $_[0]: '$@']";
195} 327}
196 328
197use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199=item $ref = cf::from_json $json 329=item $ref = cf::decode_json $json
200 330
201Converts a JSON string into the corresponding perl data structure. 331Converts a JSON string into the corresponding perl data structure.
202 332
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 333=item $json = cf::encode_json $ref
211 334
212Converts a perl data structure into its JSON representation. 335Converts a perl data structure into its JSON representation.
213 336
214=cut 337=cut
215 338
216sub to_json($) { 339our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 340
218 JSON::Syck::Dump $_[0] 341sub encode_json($) { $json_coder->encode ($_[0]) }
342sub decode_json($) { $json_coder->decode ($_[0]) }
343
344=item cf::post_init { BLOCK }
345
346Execute the given codeblock, I<after> all extensions have been (re-)loaded,
347but I<before> the server starts ticking again.
348
349The cdoeblock will have a single boolean argument to indicate whether this
350is a reload or not.
351
352=cut
353
354sub post_init(&) {
355 push @POST_INIT, shift;
219} 356}
220 357
221=item cf::lock_wait $string 358=item cf::lock_wait $string
222 359
223Wait until the given lock is available. See cf::lock_acquire. 360Wait until the given lock is available. See cf::lock_acquire.
224 361
225=item my $lock = cf::lock_acquire $string 362=item my $lock = cf::lock_acquire $string
226 363
227Wait until the given lock is available and then acquires it and returns 364Wait until the given lock is available and then acquires it and returns
228a Coro::guard object. If the guard object gets destroyed (goes out of scope, 365a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 366for example when the coroutine gets canceled), the lock is automatically
230returned. 367returned.
231 368
369Locks are *not* recursive, locking from the same coro twice results in a
370deadlocked coro.
371
232Lock names should begin with a unique identifier (for example, cf::map::find 372Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 373uses map_find and cf::map::load uses map_load).
234 374
235=cut 375=item $locked = cf::lock_active $string
236 376
237our %LOCK; 377Return true if the lock is currently active, i.e. somebody has locked it.
378
379=cut
380
381our $LOCKS = new Coro::SemaphoreSet;
238 382
239sub lock_wait($) { 383sub lock_wait($) {
240 my ($key) = @_; 384 $LOCKS->wait ($_[0]);
241
242 # wait for lock, if any
243 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule;
246 }
247} 385}
248 386
249sub lock_acquire($) { 387sub lock_acquire($) {
250 my ($key) = @_; 388 $LOCKS->guard ($_[0])
389}
251 390
252 # wait, to be sure we are not locked 391sub lock_active($) {
253 lock_wait $key; 392 $LOCKS->count ($_[0]) < 1
254
255 $LOCK{$key} = [];
256
257 Coro::guard {
258 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} };
260 }
261} 393}
262 394
263sub freeze_mainloop { 395sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 396 tick_inhibit_inc;
265 397
266 my $guard = Coro::guard { 398 &Guard::guard (\&tick_inhibit_dec);
267 $TICK_WATCHER->start; 399}
268 $WRITE_RUNTIME_WATCHER->start; 400
401=item cf::periodic $interval, $cb
402
403Like EV::periodic, but randomly selects a starting point so that the actions
404get spread over time.
405
406=cut
407
408sub periodic($$) {
409 my ($interval, $cb) = @_;
410
411 my $start = rand List::Util::min 180, $interval;
412
413 EV::periodic $start, $interval, 0, $cb
414}
415
416=item cf::get_slot $time[, $priority[, $name]]
417
418Allocate $time seconds of blocking CPU time at priority C<$priority>:
419This call blocks and returns only when you have at least C<$time> seconds
420of cpu time till the next tick. The slot is only valid till the next cede.
421
422The optional C<$name> can be used to identify the job to run. It might be
423used for statistical purposes and should identify the same time-class.
424
425Useful for short background jobs.
426
427=cut
428
429our @SLOT_QUEUE;
430our $SLOT_QUEUE;
431our $SLOT_DECAY = 0.9;
432
433$SLOT_QUEUE->cancel if $SLOT_QUEUE;
434$SLOT_QUEUE = Coro::async {
435 $Coro::current->desc ("timeslot manager");
436
437 my $signal = new Coro::Signal;
438 my $busy;
439
440 while () {
441 next_job:
442
443 my $avail = cf::till_tick;
444
445 for (0 .. $#SLOT_QUEUE) {
446 if ($SLOT_QUEUE[$_][0] <= $avail) {
447 $busy = 0;
448 my $job = splice @SLOT_QUEUE, $_, 1, ();
449 $job->[2]->send;
450 Coro::cede;
451 goto next_job;
452 } else {
453 $SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
454 }
455 }
456
457 if (@SLOT_QUEUE) {
458 # we do not use wait_for_tick() as it returns immediately when tick is inactive
459 push @cf::WAIT_FOR_TICK, $signal;
460 $signal->wait;
461 } else {
462 $busy = 0;
463 Coro::schedule;
464 }
269 }; 465 }
270 $WRITE_RUNTIME_WATCHER->stop; 466};
271 $TICK_WATCHER->stop; 467
272 $guard 468sub get_slot($;$$) {
469 return if tick_inhibit || $Coro::current == $Coro::main;
470
471 my ($time, $pri, $name) = @_;
472
473 $time = clamp $time, 0.01, $TICK * .6;
474
475 my $sig = new Coro::Signal;
476
477 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
478 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
479 $SLOT_QUEUE->ready;
480 $sig->wait;
273} 481}
274 482
275=item cf::async { BLOCK } 483=item cf::async { BLOCK }
276 484
277Currently the same as Coro::async_pool, meaning you cannot use 485Currently the same as Coro::async_pool, meaning you cannot use
… …
282 490
283BEGIN { *async = \&Coro::async_pool } 491BEGIN { *async = \&Coro::async_pool }
284 492
285=item cf::sync_job { BLOCK } 493=item cf::sync_job { BLOCK }
286 494
287The design of crossfire+ requires that the main coro ($Coro::main) is 495The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 496is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 497partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
498acceptable.
290 499
291If it must be done, put the blocking parts into C<sync_job>. This will run 500If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 501the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 502server will be frozen during this time, so the block should either finish
294fast or be very important. 503fast or be very important.
… …
297 506
298sub sync_job(&) { 507sub sync_job(&) {
299 my ($job) = @_; 508 my ($job) = @_;
300 509
301 if ($Coro::current == $Coro::main) { 510 if ($Coro::current == $Coro::main) {
511 my $time = AE::time;
512
302 # this is the main coro, too bad, we have to block 513 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 514 # till the operation succeeds, freezing the server :/
304 515
305 # TODO: use suspend/resume instead 516 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 517
307 my $freeze_guard = freeze_mainloop; 518 my $freeze_guard = freeze_mainloop;
308 519
309 my $busy = 1; 520 my $busy = 1;
310 my @res; 521 my @res;
311 522
312 (async { 523 (async {
524 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 525 @res = eval { $job->() };
314 warn $@ if $@; 526 warn $@ if $@;
315 undef $busy; 527 undef $busy;
316 })->prio (Coro::PRIO_MAX); 528 })->prio (Coro::PRIO_MAX);
317 529
318 while ($busy) { 530 while ($busy) {
319 Coro::cede or Event::one_event; 531 if (Coro::nready) {
532 Coro::cede_notself;
533 } else {
534 EV::loop EV::LOOP_ONESHOT;
320 } 535 }
536 }
537
538 my $time = AE::time - $time;
539
540 $TICK_START += $time; # do not account sync jobs to server load
321 541
322 wantarray ? @res : $res[0] 542 wantarray ? @res : $res[0]
323 } else { 543 } else {
324 # we are in another coroutine, how wonderful, everything just works 544 # we are in another coroutine, how wonderful, everything just works
325 545
… …
345 $EXT_CORO{$coro+0} = $coro; 565 $EXT_CORO{$coro+0} = $coro;
346 566
347 $coro 567 $coro
348} 568}
349 569
350sub write_runtime { 570=item fork_call { }, $args
351 my $runtime = cf::localdir . "/runtime";
352 571
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 572Executes the given code block with the given arguments in a seperate
354 or return; 573process, returning the results. Everything must be serialisable with
574Coro::Storable. May, of course, block. Note that the executed sub may
575never block itself or use any form of event handling.
355 576
356 my $value = $cf::RUNTIME + 90 + 10; 577=cut
357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359 578
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 579sub fork_call(&@) {
361 and return; 580 my ($cb, @args) = @_;
362 581
363 aio_fsync $fh 582 # we seemingly have to make a local copy of the whole thing,
364 and return; 583 # otherwise perl prematurely frees the stuff :/
584 # TODO: investigate and fix (likely this will be rather laborious)
365 585
366 close $fh 586 my @res = Coro::Util::fork_eval {
367 or return; 587 reset_signals;
588 &$cb
589 }, @args;
368 590
369 aio_rename "$runtime~", $runtime 591 wantarray ? @res : $res[-1]
370 and return; 592}
371 593
594sub objinfo {
372 1 595 (
596 "counter value" => cf::object::object_count,
597 "objects created" => cf::object::create_count,
598 "objects destroyed" => cf::object::destroy_count,
599 "freelist size" => cf::object::free_count,
600 "allocated objects" => cf::object::objects_size,
601 "active objects" => cf::object::actives_size,
602 )
603}
604
605=item $coin = coin_from_name $name
606
607=cut
608
609our %coin_alias = (
610 "silver" => "silvercoin",
611 "silvercoin" => "silvercoin",
612 "silvercoins" => "silvercoin",
613 "gold" => "goldcoin",
614 "goldcoin" => "goldcoin",
615 "goldcoins" => "goldcoin",
616 "platinum" => "platinacoin",
617 "platinumcoin" => "platinacoin",
618 "platinumcoins" => "platinacoin",
619 "platina" => "platinacoin",
620 "platinacoin" => "platinacoin",
621 "platinacoins" => "platinacoin",
622 "royalty" => "royalty",
623 "royalties" => "royalty",
624);
625
626sub coin_from_name($) {
627 $coin_alias{$_[0]}
628 ? cf::arch::find $coin_alias{$_[0]}
629 : undef
630}
631
632=item $value = cf::db_get $family => $key
633
634Returns a single value from the environment database.
635
636=item cf::db_put $family => $key => $value
637
638Stores the given C<$value> in the family. It can currently store binary
639data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
640
641=item $db = cf::db_table "name"
642
643Create and/or open a new database table. The string must not be "db" and must be unique
644within each server.
645
646=cut
647
648sub db_table($) {
649 my ($name) = @_;
650 my $db = BDB::db_create $DB_ENV;
651
652 eval {
653 $db->set_flags (BDB::CHKSUM);
654
655 utf8::encode $name;
656 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
657 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
658 cf::cleanup "db_open(db): $!" if $!;
659 };
660 cf::cleanup "db_open(db): $@" if $@;
661
662 $db
663}
664
665our $DB;
666
667sub db_init {
668 cf::sync_job {
669 $DB ||= db_table "db";
670 };
671}
672
673sub db_get($$) {
674 my $key = "$_[0]/$_[1]";
675
676 cf::sync_job {
677 BDB::db_get $DB, undef, $key, my $data;
678
679 $! ? ()
680 : $data
681 }
682}
683
684sub db_put($$$) {
685 BDB::dbreq_pri 4;
686 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
687}
688
689=item cf::cache $id => [$paths...], $processversion => $process
690
691Generic caching function that returns the value of the resource $id,
692caching and regenerating as required.
693
694This function can block.
695
696=cut
697
698sub cache {
699 my ($id, $src, $processversion, $process) = @_;
700
701 my $meta =
702 join "\x00",
703 $processversion,
704 map {
705 aio_stat $_
706 and Carp::croak "$_: $!";
707
708 ($_, (stat _)[7,9])
709 } @$src;
710
711 my $dbmeta = db_get cache => "$id/meta";
712 if ($dbmeta ne $meta) {
713 # changed, we may need to process
714
715 my @data;
716 my $md5;
717
718 for (0 .. $#$src) {
719 0 <= aio_load $src->[$_], $data[$_]
720 or Carp::croak "$src->[$_]: $!";
721 }
722
723 # if processing is expensive, check
724 # checksum first
725 if (1) {
726 $md5 =
727 join "\x00",
728 $processversion,
729 map {
730 cf::cede_to_tick;
731 ($src->[$_], Digest::MD5::md5_hex $data[$_])
732 } 0.. $#$src;
733
734
735 my $dbmd5 = db_get cache => "$id/md5";
736 if ($dbmd5 eq $md5) {
737 db_put cache => "$id/meta", $meta;
738
739 return db_get cache => "$id/data";
740 }
741 }
742
743 my $t1 = Time::HiRes::time;
744 my $data = $process->(\@data);
745 my $t2 = Time::HiRes::time;
746
747 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
748
749 db_put cache => "$id/data", $data;
750 db_put cache => "$id/md5" , $md5;
751 db_put cache => "$id/meta", $meta;
752
753 return $data;
754 }
755
756 db_get cache => "$id/data"
757}
758
759=item cf::datalog type => key => value, ...
760
761Log a datalog packet of the given type with the given key-value pairs.
762
763=cut
764
765sub datalog($@) {
766 my ($type, %kv) = @_;
767 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 768}
374 769
375=back 770=back
376 771
377=cut 772=cut
378 773
379############################################################################# 774#############################################################################
380 775
381=head2 ATTACHABLE OBJECTS 776=head2 ATTACHABLE OBJECTS
382 777
383Many objects in crossfire are so-called attachable objects. That means you can 778Many objects in deliantra are so-called attachable objects. That means you can
384attach callbacks/event handlers (a collection of which is called an "attachment") 779attach callbacks/event handlers (a collection of which is called an "attachment")
385to it. All such attachable objects support the following methods. 780to it. All such attachable objects support the following methods.
386 781
387In the following description, CLASS can be any of C<global>, C<object> 782In the following description, CLASS can be any of C<global>, C<object>
388C<player>, C<client> or C<map> (i.e. the attachable objects in 783C<player>, C<client> or C<map> (i.e. the attachable objects in
389crossfire+). 784Deliantra).
390 785
391=over 4 786=over 4
392 787
393=item $attachable->attach ($attachment, key => $value...) 788=item $attachable->attach ($attachment, key => $value...)
394 789
… …
438=item cf::CLASS::attachment $name, ... 833=item cf::CLASS::attachment $name, ...
439 834
440Register an attachment by C<$name> through which attachable objects of the 835Register an attachment by C<$name> through which attachable objects of the
441given CLASS can refer to this attachment. 836given CLASS can refer to this attachment.
442 837
443Some classes such as crossfire maps and objects can specify attachments 838Some classes such as deliantra maps and objects can specify attachments
444that are attached at load/instantiate time, thus the need for a name. 839that are attached at load/instantiate time, thus the need for a name.
445 840
446These calls expect any number of the following handler/hook descriptions: 841These calls expect any number of the following handler/hook descriptions:
447 842
448=over 4 843=over 4
… …
557 $registry = $CB_TYPE[$object_type] ||= []; 952 $registry = $CB_TYPE[$object_type] ||= [];
558 953
559 } elsif ($type eq "subtype") { 954 } elsif ($type eq "subtype") {
560 defined $object_type or Carp::croak "subtype specified without type"; 955 defined $object_type or Carp::croak "subtype specified without type";
561 my $object_subtype = shift @arg; 956 my $object_subtype = shift @arg;
562 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 957 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563 958
564 } elsif ($type eq "package") { 959 } elsif ($type eq "package") {
565 my $pkg = shift @arg; 960 my $pkg = shift @arg;
566 961
567 while (my ($name, $id) = each %cb_id) { 962 while (my ($name, $id) = each %cb_id) {
… …
596 _attach $registry, $klass, @attach; 991 _attach $registry, $klass, @attach;
597 } 992 }
598 993
599 $obj->{$name} = \%arg; 994 $obj->{$name} = \%arg;
600 } else { 995 } else {
601 warn "object uses attachment '$name' that is not available, postponing.\n"; 996 warn "object uses attachment '$name' which is not available, postponing.\n";
602 } 997 }
603 998
604 $obj->{_attachment}{$name} = undef; 999 $obj->{_attachment}{$name} = undef;
605} 1000}
606 1001
… …
608 if (ref $_[0]) { 1003 if (ref $_[0]) {
609 _object_attach @_; 1004 _object_attach @_;
610 } else { 1005 } else {
611 _attach shift->_attach_registry, @_; 1006 _attach shift->_attach_registry, @_;
612 } 1007 }
1008 _recalc_want;
613}; 1009};
614 1010
615# all those should be optimised 1011# all those should be optimised
616sub cf::attachable::detach { 1012sub cf::attachable::detach {
617 my ($obj, $name) = @_; 1013 my ($obj, $name) = @_;
… …
620 delete $obj->{_attachment}{$name}; 1016 delete $obj->{_attachment}{$name};
621 reattach ($obj); 1017 reattach ($obj);
622 } else { 1018 } else {
623 Carp::croak "cannot, currently, detach class attachments"; 1019 Carp::croak "cannot, currently, detach class attachments";
624 } 1020 }
1021 _recalc_want;
625}; 1022};
626 1023
627sub cf::attachable::attached { 1024sub cf::attachable::attached {
628 my ($obj, $name) = @_; 1025 my ($obj, $name) = @_;
629 1026
… …
644 "; 1041 ";
645 die if $@; 1042 die if $@;
646} 1043}
647 1044
648our $override; 1045our $override;
649our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1046our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650 1047
651sub override { 1048sub override {
652 $override = 1; 1049 $override = 1;
653 @invoke_results = (); 1050 @INVOKE_RESULTS = (@_);
654} 1051}
655 1052
656sub do_invoke { 1053sub do_invoke {
657 my $event = shift; 1054 my $event = shift;
658 my $callbacks = shift; 1055 my $callbacks = shift;
659 1056
660 @invoke_results = (); 1057 @INVOKE_RESULTS = ();
661 1058
662 local $override; 1059 local $override;
663 1060
664 for (@$callbacks) { 1061 for (@$callbacks) {
665 eval { &{$_->[1]} }; 1062 eval { &{$_->[1]} };
… …
674 } 1071 }
675 1072
676 0 1073 0
677} 1074}
678 1075
679=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1076=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680 1077
681=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1078=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682 1079
683Generate an object-specific event with the given arguments. 1080Generate an object-specific event with the given arguments.
684 1081
685This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1082This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686removed in future versions), and there is no public API to access override 1083removed in future versions), and there is no public API to access override
687results (if you must, access C<@cf::invoke_results> directly). 1084results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688 1085
689=back 1086=back
690 1087
691=cut 1088=cut
692 1089
693############################################################################# 1090#############################################################################
694# object support 1091# object support
1092
1093sub _object_equal($$);
1094sub _object_equal($$) {
1095 my ($a, $b) = @_;
1096
1097 return 0 unless (ref $a) eq (ref $b);
1098
1099 if ("HASH" eq ref $a) {
1100 my @ka = keys %$a;
1101 my @kb = keys %$b;
1102
1103 return 0 if @ka != @kb;
1104
1105 for (0 .. $#ka) {
1106 return 0 unless $ka[$_] eq $kb[$_];
1107 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1108 }
1109
1110 } elsif ("ARRAY" eq ref $a) {
1111
1112 return 0 if @$a != @$b;
1113
1114 for (0 .. $#$a) {
1115 return 0 unless _object_equal $a->[$_], $b->[$_];
1116 }
1117
1118 } elsif ($a ne $b) {
1119 return 0;
1120 }
1121
1122 1
1123}
1124
1125our $SLOW_MERGES;#d#
1126sub _can_merge {
1127 my ($ob1, $ob2) = @_;
1128
1129 ++$SLOW_MERGES;#d#
1130
1131 # we do the slow way here
1132 return _object_equal $ob1, $ob2
1133}
695 1134
696sub reattach { 1135sub reattach {
697 # basically do the same as instantiate, without calling instantiate 1136 # basically do the same as instantiate, without calling instantiate
698 my ($obj) = @_; 1137 my ($obj) = @_;
699 1138
1139 # no longer needed after getting rid of delete_package?
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1140 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701 1141
702 my $registry = $obj->registry; 1142 my $registry = $obj->registry;
703 1143
704 @$registry = (); 1144 @$registry = ();
705 1145
… …
720cf::attachable->attach ( 1160cf::attachable->attach (
721 prio => -1000000, 1161 prio => -1000000,
722 on_instantiate => sub { 1162 on_instantiate => sub {
723 my ($obj, $data) = @_; 1163 my ($obj, $data) = @_;
724 1164
725 $data = from_json $data; 1165 $data = decode_json $data;
726 1166
727 for (@$data) { 1167 for (@$data) {
728 my ($name, $args) = @$_; 1168 my ($name, $args) = @$_;
729 1169
730 $obj->attach ($name, %{$args || {} }); 1170 $obj->attach ($name, %{$args || {} });
… …
746sub object_freezer_save { 1186sub object_freezer_save {
747 my ($filename, $rdata, $objs) = @_; 1187 my ($filename, $rdata, $objs) = @_;
748 1188
749 sync_job { 1189 sync_job {
750 if (length $$rdata) { 1190 if (length $$rdata) {
1191 utf8::decode (my $decname = $filename);
751 warn sprintf "saving %s (%d,%d)\n", 1192 warn sprintf "saving %s (%d,%d)\n",
752 $filename, length $$rdata, scalar @$objs; 1193 $decname, length $$rdata, scalar @$objs;
753 1194
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1195 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 1196 aio_chmod $fh, SAVE_MODE;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1197 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1198 if ($cf::USE_FSYNC) {
1199 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;
757 aio_fsync $fh; 1200 aio_fsync $fh;
1201 }
758 close $fh; 1202 aio_close $fh;
759 1203
760 if (@$objs) { 1204 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1205 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 1206 aio_chmod $fh, SAVE_MODE;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1207 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 1208 aio_write $fh, 0, (length $data), $data, 0;
1209 if ($cf::USE_FSYNC) {
1210 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;
765 aio_fsync $fh; 1211 aio_fsync $fh;
1212 }
766 close $fh; 1213 aio_close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 1214 aio_rename "$filename.pst~", "$filename.pst";
768 } 1215 }
769 } else { 1216 } else {
770 aio_unlink "$filename.pst"; 1217 aio_unlink "$filename.pst";
771 } 1218 }
772 1219
773 aio_rename "$filename~", $filename; 1220 aio_rename "$filename~", $filename;
1221
1222 $filename =~ s%/[^/]+$%%;
1223 aio_pathsync $filename if $cf::USE_FSYNC;
774 } else { 1224 } else {
775 warn "FATAL: $filename~: $!\n"; 1225 warn "unable to save objects: $filename~: $!\n";
776 } 1226 }
777 } else { 1227 } else {
778 aio_unlink $filename; 1228 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 1229 aio_unlink "$filename.pst";
780 } 1230 }
781 } 1231 };
782} 1232}
783 1233
784sub object_freezer_as_string { 1234sub object_freezer_as_string {
785 my ($rdata, $objs) = @_; 1235 my ($rdata, $objs) = @_;
786 1236
… …
798 or return; 1248 or return;
799 1249
800 unless (aio_stat "$filename.pst") { 1250 unless (aio_stat "$filename.pst") {
801 (aio_load "$filename.pst", $av) >= 0 1251 (aio_load "$filename.pst", $av) >= 0
802 or return; 1252 or return;
1253
803 $av = eval { (Storable::thaw $av)->{objs} }; 1254 my $st = eval { Coro::Storable::thaw $av };
1255 $av = $st->{objs};
804 } 1256 }
805 1257
1258 utf8::decode (my $decname = $filename);
806 warn sprintf "loading %s (%d)\n", 1259 warn sprintf "loading %s (%d,%d)\n",
807 $filename, length $data, scalar @{$av || []};#d# 1260 $decname, length $data, scalar @{$av || []};
1261
808 return ($data, $av); 1262 ($data, $av)
809} 1263}
1264
1265=head2 COMMAND CALLBACKS
1266
1267=over 4
1268
1269=cut
810 1270
811############################################################################# 1271#############################################################################
812# command handling &c 1272# command handling &c
813 1273
814=item cf::register_command $name => \&callback($ob,$args); 1274=item cf::register_command $name => \&callback($ob,$args);
… …
827 push @{ $COMMAND{$name} }, [$caller, $cb]; 1287 push @{ $COMMAND{$name} }, [$caller, $cb];
828} 1288}
829 1289
830=item cf::register_extcmd $name => \&callback($pl,$packet); 1290=item cf::register_extcmd $name => \&callback($pl,$packet);
831 1291
832Register a callbackf ro execution when the client sends an extcmd packet. 1292Register a callback for execution when the client sends an (synchronous)
1293extcmd packet. Ext commands will be processed in the order they are
1294received by the server, like other user commands. The first argument is
1295the logged-in player. Ext commands can only be processed after a player
1296has logged in successfully.
833 1297
834If the callback returns something, it is sent back as if reply was being 1298If the callback returns something, it is sent back as if reply was being
835called. 1299called.
836 1300
1301=item cf::register_exticmd $name => \&callback($ns,$packet);
1302
1303Register a callback for execution when the client sends an (asynchronous)
1304exticmd packet. Exti commands are processed by the server as soon as they
1305are received, i.e. out of order w.r.t. other commands. The first argument
1306is a client socket. Exti commands can be received anytime, even before
1307log-in.
1308
1309If the callback returns something, it is sent back as if reply was being
1310called.
1311
837=cut 1312=cut
838 1313
839sub register_extcmd { 1314sub register_extcmd {
840 my ($name, $cb) = @_; 1315 my ($name, $cb) = @_;
841 1316
842 $EXTCMD{$name} = $cb; 1317 $EXTCMD{$name} = $cb;
843} 1318}
844 1319
1320sub register_exticmd {
1321 my ($name, $cb) = @_;
1322
1323 $EXTICMD{$name} = $cb;
1324}
1325
1326use File::Glob ();
1327
845cf::player->attach ( 1328cf::player->attach (
846 on_command => sub { 1329 on_unknown_command => sub {
847 my ($pl, $name, $params) = @_; 1330 my ($pl, $name, $params) = @_;
848 1331
849 my $cb = $COMMAND{$name} 1332 my $cb = $COMMAND{$name}
850 or return; 1333 or return;
851 1334
… …
856 cf::override; 1339 cf::override;
857 }, 1340 },
858 on_extcmd => sub { 1341 on_extcmd => sub {
859 my ($pl, $buf) = @_; 1342 my ($pl, $buf) = @_;
860 1343
861 my $msg = eval { from_json $buf }; 1344 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862 1345
863 if (ref $msg) { 1346 if (ref $msg) {
1347 my ($type, $reply, @payload) =
1348 "ARRAY" eq ref $msg
1349 ? @$msg
1350 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1351
1352 my @reply;
1353
864 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1354 if (my $cb = $EXTCMD{$type}) {
865 if (my %reply = $cb->($pl, $msg)) { 1355 @reply = $cb->($pl, @payload);
866 $pl->ext_reply ($msg->{msgid}, %reply);
867 }
868 } 1356 }
1357
1358 $pl->ext_reply ($reply, @reply)
1359 if $reply;
1360
869 } else { 1361 } else {
870 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1362 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871 } 1363 }
872 1364
873 cf::override; 1365 cf::override;
874 }, 1366 },
875); 1367);
876 1368
1369# "readahead" all extensions
877sub load_extension { 1370sub cache_extensions {
878 my ($path) = @_; 1371 my $grp = IO::AIO::aio_group;
879 1372
880 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1373 add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
881 my $base = $1; 1374 for (grep /\.ext$/, @{$_[0]}) {
882 my $pkg = $1; 1375 add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
883 $pkg =~ s/[^[:word:]]/_/g;
884 $pkg = "ext::$pkg";
885
886 warn "... loading '$path' into '$pkg'\n";
887
888 open my $fh, "<:utf8", $path
889 or die "$path: $!";
890
891 my $source =
892 "package $pkg; use strict; use utf8;\n"
893 . "#line 1 \"$path\"\n{\n"
894 . (do { local $/; <$fh> })
895 . "\n};\n1";
896
897 unless (eval $source) {
898 my $msg = $@ ? "$path: $@\n"
899 : "extension disabled.\n";
900 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901 warn $@;
902 warn "mandatory extension failed to load, exiting.\n";
903 exit 1;
904 } 1376 }
905 die $@;
906 } 1377 };
907 1378
908 push @EXTS, $pkg; 1379 $grp
909} 1380}
910 1381
911sub load_extensions { 1382sub load_extensions {
1383 cf::sync_job {
1384 my %todo;
1385
912 for my $ext (<$LIBDIR/*.ext>) { 1386 for my $path (<$LIBDIR/*.ext>) {
913 next unless -r $ext; 1387 next unless -r $path;
914 eval { 1388
915 load_extension $ext; 1389 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1390 my $base = $1;
1391 my $pkg = $1;
1392 $pkg =~ s/[^[:word:]]/_/g;
1393 $pkg = "ext::$pkg";
1394
1395 open my $fh, "<:utf8", $path
1396 or die "$path: $!";
1397
1398 my $source = do { local $/; <$fh> };
1399
1400 my %ext = (
1401 path => $path,
1402 base => $base,
1403 pkg => $pkg,
1404 );
1405
1406 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1407 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1408
1409 $ext{source} =
1410 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1411 . "#line 1 \"$path\"\n{\n"
1412 . $source
1413 . "\n};\n1";
1414
1415 $todo{$base} = \%ext;
1416 }
1417
1418 my $pass = 0;
1419 my %done;
1420 while (%todo) {
1421 my $progress;
1422
1423 ++$pass;
1424
1425 ext:
1426 while (my ($k, $v) = each %todo) {
1427 for (split /,\s*/, $v->{meta}{depends}) {
1428 next ext
1429 unless exists $done{$_};
1430 }
1431
1432 warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1433
1434 my $active = eval $v->{source};
1435
1436 if (length $@) {
1437 warn "$v->{path}: $@\n";
1438
1439 cf::cleanup "mandatory extension '$k' failed to load, exiting."
1440 if exists $v->{meta}{mandatory};
1441 } else {
1442 $done{$k} = delete $todo{$k};
1443 push @EXTS, $v->{pkg};
1444 $progress = 1;
1445
1446 warn "$v->{base}: extension inactive.\n"
1447 unless $active;
1448 }
916 1 1449 }
917 } or warn "$ext not loaded: $@"; 1450
1451 unless ($progress) {
1452 warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1453
1454 while (my ($k, $v) = each %todo) {
1455 cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
1456 if exists $v->{meta}{mandatory};
1457 }
1458 }
1459 }
918 } 1460 };
919} 1461}
920 1462
921############################################################################# 1463#############################################################################
922 1464
1465=back
1466
923=head2 CORE EXTENSIONS 1467=head2 CORE EXTENSIONS
924 1468
925Functions and methods that extend core crossfire objects. 1469Functions and methods that extend core deliantra objects.
926 1470
927=cut 1471=cut
928 1472
929package cf::player; 1473package cf::player;
930 1474
… …
932 1476
933=head3 cf::player 1477=head3 cf::player
934 1478
935=over 4 1479=over 4
936 1480
1481=item cf::player::num_playing
1482
1483Returns the official number of playing players, as per the Crossfire metaserver rules.
1484
1485=cut
1486
1487sub num_playing {
1488 scalar grep
1489 $_->ob->map
1490 && !$_->hidden
1491 && !$_->ob->flag (cf::FLAG_WIZ),
1492 cf::player::list
1493}
1494
937=item cf::player::find $login 1495=item cf::player::find $login
938 1496
939Returns the given player object, loading it if necessary (might block). 1497Returns the given player object, loading it if necessary (might block).
940 1498
941=cut 1499=cut
942 1500
943sub playerdir($) { 1501sub playerdir($) {
944 cf::localdir 1502 "$PLAYERDIR/"
945 . "/"
946 . cf::playerdir
947 . "/"
948 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1503 . (ref $_[0] ? $_[0]->ob->name : $_[0])
949} 1504}
950 1505
951sub path($) { 1506sub path($) {
952 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1507 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953 1508
954 (playerdir $login) . "/$login.pl" 1509 (playerdir $login) . "/playerdata"
955} 1510}
956 1511
957sub find_active($) { 1512sub find_active($) {
958 $cf::PLAYER{$_[0]} 1513 $cf::PLAYER{$_[0]}
959 and $cf::PLAYER{$_[0]}->active 1514 and $cf::PLAYER{$_[0]}->active
… …
962 1517
963sub exists($) { 1518sub exists($) {
964 my ($login) = @_; 1519 my ($login) = @_;
965 1520
966 $cf::PLAYER{$login} 1521 $cf::PLAYER{$login}
967 or cf::sync_job { !aio_stat path $login } 1522 or !aio_stat path $login
968} 1523}
969 1524
970sub find($) { 1525sub find($) {
971 return $cf::PLAYER{$_[0]} || do { 1526 return $cf::PLAYER{$_[0]} || do {
972 my $login = $_[0]; 1527 my $login = $_[0];
973 1528
974 my $guard = cf::lock_acquire "user_find:$login"; 1529 my $guard = cf::lock_acquire "user_find:$login";
975 1530
976 $cf::PLAYER{$_[0]} || do { 1531 $cf::PLAYER{$_[0]} || do {
977 my $pl = load_pl path $login 1532 # rename old playerfiles to new ones
1533 #TODO: remove when no longer required
1534 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1535 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1536 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1537 aio_unlink +(playerdir $login) . "/$login.pl";
1538
1539 my $f = new_from_file cf::object::thawer path $login
978 or return; 1540 or return;
1541
1542 my $pl = cf::player::load_pl $f
1543 or return;
1544
1545 local $cf::PLAYER_LOADING{$login} = $pl;
1546 $f->resolve_delayed_derefs;
979 $cf::PLAYER{$login} = $pl 1547 $cf::PLAYER{$login} = $pl
980 } 1548 }
981 } 1549 }
982} 1550}
1551
1552cf::player->attach (
1553 on_load => sub {
1554 my ($pl, $path) = @_;
1555
1556 # restore slots saved in save, below
1557 my $slots = delete $pl->{_slots};
1558
1559 $pl->ob->current_weapon ($slots->[0]);
1560 $pl->combat_ob ($slots->[1]);
1561 $pl->ranged_ob ($slots->[2]);
1562 },
1563);
983 1564
984sub save($) { 1565sub save($) {
985 my ($pl) = @_; 1566 my ($pl) = @_;
986 1567
987 return if $pl->{deny_save}; 1568 return if $pl->{deny_save};
… …
992 return if $pl->{deny_save}; 1573 return if $pl->{deny_save};
993 1574
994 aio_mkdir playerdir $pl, 0770; 1575 aio_mkdir playerdir $pl, 0770;
995 $pl->{last_save} = $cf::RUNTIME; 1576 $pl->{last_save} = $cf::RUNTIME;
996 1577
1578 cf::get_slot 0.01;
1579
1580 # save slots, to be restored later
1581 local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1582
997 $pl->save_pl ($path); 1583 $pl->save_pl ($path);
998 Coro::cede; 1584 cf::cede_to_tick;
999} 1585}
1000 1586
1001sub new($) { 1587sub new($) {
1002 my ($login) = @_; 1588 my ($login) = @_;
1003 1589
… …
1009 $cf::PLAYER{$login} = $self; 1595 $cf::PLAYER{$login} = $self;
1010 1596
1011 $self 1597 $self
1012} 1598}
1013 1599
1600=item $player->send_msg ($channel, $msg, $color, [extra...])
1601
1602=cut
1603
1604sub send_msg {
1605 my $ns = shift->ns
1606 or return;
1607 $ns->send_msg (@_);
1608}
1609
1014=item $pl->quit_character 1610=item $pl->quit_character
1015 1611
1016Nukes the player without looking back. If logged in, the connection will 1612Nukes the player without looking back. If logged in, the connection will
1017be destroyed. May block for a long time. 1613be destroyed. May block for a long time.
1018 1614
1019=cut 1615=cut
1020 1616
1021sub quit_character { 1617sub quit_character {
1022 my ($pl) = @_; 1618 my ($pl) = @_;
1023 1619
1620 my $name = $pl->ob->name;
1621
1024 $pl->{deny_save} = 1; 1622 $pl->{deny_save} = 1;
1025 $pl->password ("*"); # this should lock out the player until we nuked the dir 1623 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1026 1624
1027 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1625 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1028 $pl->deactivate; 1626 $pl->deactivate;
1627 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1628 $pl->ob->check_score;
1029 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1629 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1030 $pl->ns->destroy if $pl->ns; 1630 $pl->ns->destroy if $pl->ns;
1031 1631
1032 my $path = playerdir $pl; 1632 my $path = playerdir $pl;
1033 my $temp = "$path~$cf::RUNTIME~deleting~"; 1633 my $temp = "$path~$cf::RUNTIME~deleting~";
1034 aio_rename $path, $temp; 1634 aio_rename $path, $temp;
1035 delete $cf::PLAYER{$pl->ob->name}; 1635 delete $cf::PLAYER{$pl->ob->name};
1036 $pl->destroy; 1636 $pl->destroy;
1637
1638 my $prefix = qr<^~\Q$name\E/>;
1639
1640 # nuke player maps
1641 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1642
1037 IO::AIO::aio_rmtree $temp; 1643 IO::AIO::aio_rmtree $temp;
1644}
1645
1646=item $pl->kick
1647
1648Kicks a player out of the game. This destroys the connection.
1649
1650=cut
1651
1652sub kick {
1653 my ($pl, $kicker) = @_;
1654
1655 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1656 $pl->killer ("kicked");
1657 $pl->ns->destroy;
1038} 1658}
1039 1659
1040=item cf::player::list_logins 1660=item cf::player::list_logins
1041 1661
1042Returns am arrayref of all valid playernames in the system, can take a 1662Returns am arrayref of all valid playernames in the system, can take a
1043while and may block, so not sync_job-capable, ever. 1663while and may block, so not sync_job-capable, ever.
1044 1664
1045=cut 1665=cut
1046 1666
1047sub list_logins { 1667sub list_logins {
1048 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1668 my $dirs = aio_readdir $PLAYERDIR
1049 or return []; 1669 or return [];
1050 1670
1051 my @logins; 1671 my @logins;
1052 1672
1053 for my $login (@$dirs) { 1673 for my $login (@$dirs) {
1674 my $path = path $login;
1675
1676 # a .pst is a dead give-away for a valid player
1677 # if no pst file found, open and chekc for blocked users
1678 if (aio_stat "$path.pst") {
1054 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1679 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055 aio_read $fh, 0, 512, my $buf, 0 or next; 1680 aio_read $fh, 0, 512, my $buf, 0 or next;
1056 $buf !~ /^password -------------$/m or next; # official not-valid tag 1681 $buf !~ /^password -------------$/m or next; # official not-valid tag
1682 }
1057 1683
1058 utf8::decode $login; 1684 utf8::decode $login;
1059 push @logins, $login; 1685 push @logins, $login;
1060 } 1686 }
1061 1687
… …
1069 1695
1070=cut 1696=cut
1071 1697
1072sub maps($) { 1698sub maps($) {
1073 my ($pl) = @_; 1699 my ($pl) = @_;
1700
1701 $pl = ref $pl ? $pl->ob->name : $pl;
1074 1702
1075 my $files = aio_readdir playerdir $pl 1703 my $files = aio_readdir playerdir $pl
1076 or return; 1704 or return;
1077 1705
1078 my @paths; 1706 my @paths;
… …
1080 for (@$files) { 1708 for (@$files) {
1081 utf8::decode $_; 1709 utf8::decode $_;
1082 next if /\.(?:pl|pst)$/; 1710 next if /\.(?:pl|pst)$/;
1083 next unless /^$PATH_SEP/o; 1711 next unless /^$PATH_SEP/o;
1084 1712
1085 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1713 push @paths, cf::map::normalise "~$pl/$_";
1086 } 1714 }
1087 1715
1088 \@paths 1716 \@paths
1089} 1717}
1090 1718
1719=item $protocol_xml = $player->expand_cfpod ($cfpod)
1720
1721Expand deliantra pod fragments into protocol xml.
1722
1091=item $player->ext_reply ($msgid, $msgtype, %msg) 1723=item $player->ext_reply ($msgid, @msg)
1092 1724
1093Sends an ext reply to the player. 1725Sends an ext reply to the player.
1094 1726
1095=cut 1727=cut
1096 1728
1097sub ext_reply($$$%) { 1729sub ext_reply($$@) {
1098 my ($self, $id, %msg) = @_; 1730 my ($self, $id, @msg) = @_;
1099 1731
1100 $msg{msgid} = $id; 1732 $self->ns->ext_reply ($id, @msg)
1101
1102 $self->send ("ext " . cf::to_json \%msg);
1103} 1733}
1104 1734
1105package cf; 1735=item $player->ext_msg ($type, @msg)
1736
1737Sends an ext event to the client.
1738
1739=cut
1740
1741sub ext_msg($$@) {
1742 my ($self, $type, @msg) = @_;
1743
1744 $self->ns->ext_msg ($type, @msg);
1745}
1746
1747=head3 cf::region
1748
1749=over 4
1750
1751=cut
1752
1753package cf::region;
1754
1755=item cf::region::find_by_path $path
1756
1757Tries to decuce the likely region for a map knowing only its path.
1758
1759=cut
1760
1761sub find_by_path($) {
1762 my ($path) = @_;
1763
1764 my ($match, $specificity);
1765
1766 for my $region (list) {
1767 if ($region->{match} && $path =~ $region->{match}) {
1768 ($match, $specificity) = ($region, $region->specificity)
1769 if $region->specificity > $specificity;
1770 }
1771 }
1772
1773 $match
1774}
1106 1775
1107=back 1776=back
1108
1109 1777
1110=head3 cf::map 1778=head3 cf::map
1111 1779
1112=over 4 1780=over 4
1113 1781
… …
1125our $MAX_RESET = 3600; 1793our $MAX_RESET = 3600;
1126our $DEFAULT_RESET = 3000; 1794our $DEFAULT_RESET = 3000;
1127 1795
1128sub generate_random_map { 1796sub generate_random_map {
1129 my ($self, $rmp) = @_; 1797 my ($self, $rmp) = @_;
1798
1799 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1800
1130 # mit "rum" bekleckern, nicht 1801 # mit "rum" bekleckern, nicht
1131 $self->_create_random_map ( 1802 $self->_create_random_map (
1132 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1803 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1133 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1804 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1134 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1805 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1135 $rmp->{exit_on_final_map}, 1806 $rmp->{exit_on_final_map},
1136 $rmp->{xsize}, $rmp->{ysize}, 1807 $rmp->{xsize}, $rmp->{ysize},
1137 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1808 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1138 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1809 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
… …
1168 my ($self, $merge) = @_; 1839 my ($self, $merge) = @_;
1169 1840
1170 # we have to keep some variables in memory intact 1841 # we have to keep some variables in memory intact
1171 local $self->{path}; 1842 local $self->{path};
1172 local $self->{load_path}; 1843 local $self->{load_path};
1173 local $self->{deny_save};
1174 local $self->{deny_reset};
1175 1844
1176 $self->SUPER::thawer_merge ($merge); 1845 $self->SUPER::thawer_merge ($merge);
1177} 1846}
1178 1847
1179sub normalise { 1848sub normalise {
… …
1226 $self->init; # pass $1 etc. 1895 $self->init; # pass $1 etc.
1227 return $self; 1896 return $self;
1228 } 1897 }
1229 } 1898 }
1230 1899
1231 Carp::carp "unable to resolve path '$path' (base '$base')."; 1900 Carp::cluck "unable to resolve path '$path' (base '$base').";
1232 () 1901 ()
1233} 1902}
1234 1903
1235sub init { 1904sub init {
1236 my ($self) = @_; 1905 my ($self) = @_;
… …
1251 1920
1252# the original (read-only) location 1921# the original (read-only) location
1253sub load_path { 1922sub load_path {
1254 my ($self) = @_; 1923 my ($self) = @_;
1255 1924
1256 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1925 "$MAPDIR/$self->{path}.map"
1257} 1926}
1258 1927
1259# the temporary/swap location 1928# the temporary/swap location
1260sub save_path { 1929sub save_path {
1261 my ($self) = @_; 1930 my ($self) = @_;
1262 1931
1263 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1932 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1264 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1933 "$TMPDIR/$path.map"
1265} 1934}
1266 1935
1267# the unique path, undef == no special unique path 1936# the unique path, undef == no special unique path
1268sub uniq_path { 1937sub uniq_path {
1269 my ($self) = @_; 1938 my ($self) = @_;
1270 1939
1271 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1940 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1272 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1941 "$UNIQUEDIR/$path"
1273} 1942}
1274 1943
1275# and all this just because we cannot iterate over 1944sub decay_objects {
1276# all maps in C++...
1277sub change_all_map_light {
1278 my ($change) = @_; 1945 my ($self) = @_;
1279 1946
1280 $_->change_map_light ($change) 1947 return if $self->{deny_reset};
1281 for grep $_->outdoor, values %cf::MAP; 1948
1949 $self->do_decay_objects;
1282} 1950}
1283 1951
1284sub unlink_save { 1952sub unlink_save {
1285 my ($self) = @_; 1953 my ($self) = @_;
1286 1954
… …
1291 1959
1292sub load_header_from($) { 1960sub load_header_from($) {
1293 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1294 1962
1295 utf8::encode $path; 1963 utf8::encode $path;
1296 aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1297 or return; 1965 or return;
1298 1966
1299 $self->_load_header ($path) 1967 $self->_load_header ($f)
1300 or return; 1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1301 1972
1302 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1303 1974
1304 1 1975 1
1305} 1976}
… …
1344 $self->load_header_orig 2015 $self->load_header_orig
1345 or return; 2016 or return;
1346 $self->prepare_orig; 2017 $self->prepare_orig;
1347 } 2018 }
1348 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
2023 $self->default_region (cf::region::find_by_path $self->{path})
2024 unless $self->default_region;
2025
1349 1 2026 1
1350} 2027}
1351 2028
1352sub find; 2029sub find;
1353sub find { 2030sub find {
1354 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1355 2032
1356 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1357 2034
2035 my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1358 cf::lock_wait "map_find:$path"; 2036 my $guard2 = cf::lock_acquire "map_find:$path";
1359 2037
1360 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
1361 my $guard = cf::lock_acquire "map_find:$path";
1362 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1363 or return; 2040 or return;
1364 2041
1365 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1366 2043
1367 $map->load_header 2044 $map->load_header
1368 or return; 2045 or return;
1369 2046
1370 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1372 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1373 $map->reset; 2052 $map->reset;
1374 undef $guard;
1375 return find $path; 2053 return find $path;
1376 } 2054 }
1377 2055
1378 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1379 } 2057 }
1380} 2058}
1381 2059
1382sub pre_load { } 2060sub pre_load { }
1383sub post_load { } 2061#sub post_load { } # XS
1384 2062
1385sub load { 2063sub load {
1386 my ($self) = @_; 2064 my ($self) = @_;
1387 2065
1388 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
1389 2067
1390 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1391 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1392 2072
2073 return unless $self->valid;
1393 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1394 2075
1395 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1396 2077
1397 $self->alloc; 2078 $self->alloc;
1398 2079
1399 $self->pre_load; 2080 $self->pre_load;
2081 cf::cede_to_tick;
1400 2082
1401 $self->_load_objects ($self->{load_path}, 1) 2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1402 or return; 2086 or return;
1403 2087
1404 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->post_load_original
1405 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1406 2090
1407 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1408 utf8::encode $uniq; 2092 utf8::encode $uniq;
1409 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1410 $self->clear_unique_items; 2095 $self->clear_unique_items;
1411 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1412 } 2099 }
1413 } 2100 }
1414 2101
1415 Coro::cede; 2102 $f->resolve_delayed_derefs;
1416 2103
2104 cf::cede_to_tick;
1417 # now do the right thing for maps 2105 # now do the right thing for maps
1418 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1419
1420 unless ($self->{deny_activate}) {
1421 $self->decay_objects;
1422 $self->fix_auto_apply;
1423 $self->update_buttons;
1424 Coro::cede;
1425 $self->set_darkness_map;
1426 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1427 unless $self->difficulty; 2108 unless $self->difficulty;
1428 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
1429 $self->activate; 2116 $self->activate;
2117 }
2118
2119 $self->{last_save} = $cf::RUNTIME;
2120 $self->last_access ($cf::RUNTIME);
2121
2122 $self->in_memory (cf::MAP_ACTIVE);
1430 } 2123 }
1431 2124
1432 $self->post_load; 2125 $self->post_load;
1433
1434 $self->in_memory (cf::MAP_IN_MEMORY);
1435} 2126}
1436 2127
2128# customize the map for a given player, i.e.
2129# return the _real_ map. used by e.g. per-player
2130# maps to change the path to ~playername/mappath
1437sub customise_for { 2131sub customise_for {
1438 my ($self, $ob) = @_; 2132 my ($self, $ob) = @_;
1439 2133
1440 return find "~" . $ob->name . "/" . $self->{path} 2134 return find "~" . $ob->name . "/" . $self->{path}
1441 if $self->per_player; 2135 if $self->per_player;
1442 2136
2137# return find "?party/" . $ob->name . "/" . $self->{path}
2138# if $self->per_party;
2139
1443 $self 2140 $self
1444} 2141}
1445 2142
1446# find and load all maps in the 3x3 area around a map 2143# find and load all maps in the 3x3 area around a map
1447sub load_diag { 2144sub load_neighbours {
1448 my ($map) = @_; 2145 my ($map) = @_;
1449 2146
1450 my @diag; # diagonal neighbours 2147 my @neigh; # diagonal neighbours
1451 2148
1452 for (0 .. 3) { 2149 for (0 .. 3) {
1453 my $neigh = $map->tile_path ($_) 2150 my $neigh = $map->tile_path ($_)
1454 or next; 2151 or next;
1455 $neigh = find $neigh, $map 2152 $neigh = find $neigh, $map
1456 or next; 2153 or next;
1457 $neigh->load; 2154 $neigh->load;
1458 2155
2156 push @neigh,
1459 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2157 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1460 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2158 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1461 } 2159 }
1462 2160
1463 for (@diag) { 2161 for (grep defined $_->[0], @neigh) {
2162 my ($path, $origin) = @$_;
1464 my $neigh = find @$_ 2163 my $neigh = find $path, $origin
1465 or next; 2164 or next;
1466 $neigh->load; 2165 $neigh->load;
1467 } 2166 }
1468} 2167}
1469 2168
… …
1474} 2173}
1475 2174
1476sub do_load_sync { 2175sub do_load_sync {
1477 my ($map) = @_; 2176 my ($map) = @_;
1478 2177
2178 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2179 if $Coro::current == $Coro::main;
2180
1479 cf::sync_job { $map->load }; 2181 cf::sync_job { $map->load };
1480} 2182}
1481 2183
1482our %MAP_PREFETCH; 2184our %MAP_PREFETCH;
1483our $MAP_PREFETCHER = undef; 2185our $MAP_PREFETCHER = undef;
1484 2186
1485sub find_async { 2187sub find_async {
1486 my ($path, $origin) = @_; 2188 my ($path, $origin, $load) = @_;
1487 2189
1488 $path = normalise $path, $origin && $origin->{path}; 2190 $path = normalise $path, $origin && $origin->{path};
1489 2191
1490 if (my $map = $cf::MAP{$path}) { 2192 if (my $map = $cf::MAP{$path}) {
1491 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2193 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1492 } 2194 }
1493 2195
1494 undef $MAP_PREFETCH{$path}; 2196 $MAP_PREFETCH{$path} |= $load;
2197
1495 $MAP_PREFETCHER ||= cf::async { 2198 $MAP_PREFETCHER ||= cf::async {
2199 $Coro::current->{desc} = "map prefetcher";
2200
1496 while (%MAP_PREFETCH) { 2201 while (%MAP_PREFETCH) {
1497 for my $path (keys %MAP_PREFETCH) { 2202 while (my ($k, $v) = each %MAP_PREFETCH) {
1498 my $map = find $path 2203 if (my $map = find $k) {
1499 or next;
1500 $map->load; 2204 $map->load if $v;
2205 }
1501 2206
1502 delete $MAP_PREFETCH{$path}; 2207 delete $MAP_PREFETCH{$k};
1503 } 2208 }
1504 } 2209 }
1505 undef $MAP_PREFETCHER; 2210 undef $MAP_PREFETCHER;
1506 }; 2211 };
1507 $MAP_PREFETCHER->prio (6); 2212 $MAP_PREFETCHER->prio (6);
1508 2213
1509 () 2214 ()
1510} 2215}
1511 2216
2217# common code, used by both ->save and ->swapout
1512sub save { 2218sub _save {
1513 my ($self) = @_; 2219 my ($self) = @_;
1514
1515 my $lock = cf::lock_acquire "map_data:" . $self->path;
1516 2220
1517 $self->{last_save} = $cf::RUNTIME; 2221 $self->{last_save} = $cf::RUNTIME;
1518 2222
1519 return unless $self->dirty; 2223 return unless $self->dirty;
1520 2224
… …
1526 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1527 2231
1528 local $self->{last_access} = $self->last_access;#d# 2232 local $self->{last_access} = $self->last_access;#d#
1529 2233
1530 cf::async { 2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
1531 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
1532 }; 2237 };
2238
2239 cf::get_slot 0.02;
1533 2240
1534 if ($uniq) { 2241 if ($uniq) {
1535 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1537 } else { 2244 } else {
1538 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539 } 2246 }
1540} 2247}
1541 2248
2249sub save {
2250 my ($self) = @_;
2251
2252 my $lock = cf::lock_acquire "map_data:$self->{path}";
2253
2254 $self->_save;
2255}
2256
1542sub swap_out { 2257sub swap_out {
1543 my ($self) = @_; 2258 my ($self) = @_;
1544 2259
1545 # save first because save cedes
1546 $self->save;
1547
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2261
2262 return if $self->in_memory != cf::MAP_ACTIVE;
2263 return if $self->{deny_save};
1550 return if $self->players; 2264 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save};
1553 2265
2266 # first deactivate the map and "unlink" it from the core
2267 $self->deactivate;
2268 $_->clear_links_to ($self) for values %cf::MAP;
2269 $self->in_memory (cf::MAP_SWAPPED);
2270
2271 # then atomically save
2272 $self->_save;
2273
2274 # then free the map
1554 $self->clear; 2275 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2276}
1557 2277
1558sub reset_at { 2278sub reset_at {
1559 my ($self) = @_; 2279 my ($self) = @_;
1560 2280
1561 # TODO: safety, remove and allow resettable per-player maps 2281 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 2282 return 1e99 if $self->{deny_reset};
1564 2283
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2284 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2285 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2286
… …
1578 my ($self) = @_; 2297 my ($self) = @_;
1579 2298
1580 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2299 my $lock = cf::lock_acquire "map_data:$self->{path}";
1581 2300
1582 return if $self->players; 2301 return if $self->players;
1583 return if $self->isa ("ext::map_per_player");#d#
1584 2302
1585 warn "resetting map ", $self->path;#d# 2303 warn "resetting map ", $self->path, "\n";
2304
2305 $self->in_memory (cf::MAP_SWAPPED);
2306
2307 # need to save uniques path
2308 unless ($self->{deny_save}) {
2309 my $uniq = $self->uniq_path; utf8::encode $uniq;
2310
2311 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2312 if $uniq;
2313 }
1586 2314
1587 delete $cf::MAP{$self->path}; 2315 delete $cf::MAP{$self->path};
1588 2316
1589 $self->in_memory (cf::MAP_SWAPPED); 2317 $self->deactivate;
2318 $_->clear_links_to ($self) for values %cf::MAP;
1590 $self->clear; 2319 $self->clear;
1591
1592 $_->clear_links_to ($self) for values %cf::MAP;
1593 2320
1594 $self->unlink_save; 2321 $self->unlink_save;
1595 $self->destroy; 2322 $self->destroy;
1596} 2323}
1597 2324
1598my $nuke_counter = "aaaa"; 2325my $nuke_counter = "aaaa";
1599 2326
1600sub nuke { 2327sub nuke {
1601 my ($self) = @_; 2328 my ($self) = @_;
1602 2329
2330 {
2331 my $lock = cf::lock_acquire "map_data:$self->{path}";
2332
1603 delete $cf::MAP{$self->path}; 2333 delete $cf::MAP{$self->path};
1604 2334
1605 $self->unlink_save; 2335 $self->unlink_save;
1606 2336
1607 bless $self, "cf::map"; 2337 bless $self, "cf::map";
1608 delete $self->{deny_reset}; 2338 delete $self->{deny_reset};
1609 $self->{deny_save} = 1; 2339 $self->{deny_save} = 1;
1610 $self->reset_timeout (1); 2340 $self->reset_timeout (1);
1611 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2341 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612 2342
1613 $cf::MAP{$self->path} = $self; 2343 $cf::MAP{$self->path} = $self;
2344 }
1614 2345
1615 $self->reset; # polite request, might not happen 2346 $self->reset; # polite request, might not happen
2347}
2348
2349=item $maps = cf::map::tmp_maps
2350
2351Returns an arrayref with all map paths of currently instantiated and saved
2352maps. May block.
2353
2354=cut
2355
2356sub tmp_maps() {
2357 [
2358 map {
2359 utf8::decode $_;
2360 /\.map$/
2361 ? normalise $_
2362 : ()
2363 } @{ aio_readdir $TMPDIR or [] }
2364 ]
2365}
2366
2367=item $maps = cf::map::random_maps
2368
2369Returns an arrayref with all map paths of currently instantiated and saved
2370random maps. May block.
2371
2372=cut
2373
2374sub random_maps() {
2375 [
2376 map {
2377 utf8::decode $_;
2378 /\.map$/
2379 ? normalise "?random/$_"
2380 : ()
2381 } @{ aio_readdir $RANDOMDIR or [] }
2382 ]
1616} 2383}
1617 2384
1618=item cf::map::unique_maps 2385=item cf::map::unique_maps
1619 2386
1620Returns an arrayref of paths of all shared maps that have 2387Returns an arrayref of paths of all shared maps that have
1621instantiated unique items. May block. 2388instantiated unique items. May block.
1622 2389
1623=cut 2390=cut
1624 2391
1625sub unique_maps() { 2392sub unique_maps() {
1626 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2393 [
1627 or return; 2394 map {
1628
1629 my @paths;
1630
1631 for (@$files) {
1632 utf8::decode $_; 2395 utf8::decode $_;
1633 next if /\.pst$/; 2396 s/\.map$//; # TODO future compatibility hack
1634 next unless /^$PATH_SEP/o; 2397 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1635 2398 ? ()
1636 push @paths, cf::map::normalise $_; 2399 : normalise $_
2400 } @{ aio_readdir $UNIQUEDIR or [] }
1637 } 2401 ]
1638
1639 \@paths
1640} 2402}
1641 2403
1642package cf; 2404=item cf::map::static_maps
2405
2406Returns an arrayref if paths of all static maps (all preinstalled F<.map>
2407file in the shared directory excluding F</styles> and F</editor>). May
2408block.
2409
2410=cut
2411
2412sub static_maps() {
2413 my @dirs = "";
2414 my @maps;
2415
2416 while (@dirs) {
2417 my $dir = shift @dirs;
2418
2419 next if $dir eq "/styles" || $dir eq "/editor";
2420
2421 my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
2422 or return;
2423
2424 for (@$files) {
2425 s/\.map$// or next;
2426 utf8::decode $_;
2427 push @maps, "$dir/$_";
2428 }
2429
2430 push @dirs, map "$dir/$_", @$dirs;
2431 }
2432
2433 \@maps
2434}
1643 2435
1644=back 2436=back
1645 2437
1646=head3 cf::object 2438=head3 cf::object
1647 2439
… …
1651 2443
1652=over 4 2444=over 4
1653 2445
1654=item $ob->inv_recursive 2446=item $ob->inv_recursive
1655 2447
1656Returns the inventory of the object _and_ their inventories, recursively. 2448Returns the inventory of the object I<and> their inventories, recursively,
2449but I<not> the object itself.
1657 2450
1658=cut 2451=cut
1659 2452
1660sub inv_recursive_; 2453sub inv_recursive_;
1661sub inv_recursive_ { 2454sub inv_recursive_ {
… …
1664 2457
1665sub inv_recursive { 2458sub inv_recursive {
1666 inv_recursive_ inv $_[0] 2459 inv_recursive_ inv $_[0]
1667} 2460}
1668 2461
2462=item $ref = $ob->ref
2463
2464Creates and returns a persistent reference to an object that can be stored as a string.
2465
2466=item $ob = cf::object::deref ($refstring)
2467
2468returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2469even if the object actually exists. May block.
2470
2471=cut
2472
2473sub deref {
2474 my ($ref) = @_;
2475
2476 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2477 my ($uuid, $name) = ($1, $2);
2478 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2479 or return;
2480 $pl->ob->uuid eq $uuid
2481 or return;
2482
2483 $pl->ob
2484 } else {
2485 warn "$ref: cannot resolve object reference\n";
2486 undef
2487 }
2488}
2489
1669package cf; 2490package cf;
1670 2491
1671=back 2492=back
1672 2493
1673=head3 cf::object::player 2494=head3 cf::object::player
… …
1679Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2500Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1680can be C<undef>. Does the right thing when the player is currently in a 2501can be C<undef>. Does the right thing when the player is currently in a
1681dialogue with the given NPC character. 2502dialogue with the given NPC character.
1682 2503
1683=cut 2504=cut
2505
2506our $SAY_CHANNEL = {
2507 id => "say",
2508 title => "Map",
2509 reply => "say ",
2510 tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2511};
2512
2513our $CHAT_CHANNEL = {
2514 id => "chat",
2515 title => "Chat",
2516 reply => "chat ",
2517 tooltip => "Player chat and shouts, global to the server.",
2518};
1684 2519
1685# rough implementation of a future "reply" method that works 2520# rough implementation of a future "reply" method that works
1686# with dialog boxes. 2521# with dialog boxes.
1687#TODO: the first argument must go, split into a $npc->reply_to ( method 2522#TODO: the first argument must go, split into a $npc->reply_to ( method
1688sub cf::object::player::reply($$$;$) { 2523sub cf::object::player::reply($$$;$) {
… …
1690 2525
1691 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2526 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692 2527
1693 if ($self->{record_replies}) { 2528 if ($self->{record_replies}) {
1694 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2529 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2530
1695 } else { 2531 } else {
2532 my $pl = $self->contr;
2533
2534 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2535 my $dialog = $pl->{npc_dialog};
2536 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2537
2538 } else {
1696 $msg = $npc->name . " says: $msg" if $npc; 2539 $msg = $npc->name . " says: $msg" if $npc;
1697 $self->message ($msg, $flags); 2540 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2541 }
1698 } 2542 }
2543}
2544
2545=item $object->send_msg ($channel, $msg, $color, [extra...])
2546
2547=cut
2548
2549sub cf::object::send_msg {
2550 my $pl = shift->contr
2551 or return;
2552 $pl->send_msg (@_);
1699} 2553}
1700 2554
1701=item $player_object->may ("access") 2555=item $player_object->may ("access")
1702 2556
1703Returns wether the given player is authorized to access resource "access" 2557Returns wether the given player is authorized to access resource "access"
… …
1716 2570
1717=item $player_object->enter_link 2571=item $player_object->enter_link
1718 2572
1719Freezes the player and moves him/her to a special map (C<{link}>). 2573Freezes the player and moves him/her to a special map (C<{link}>).
1720 2574
1721The player should be reasonably safe there for short amounts of time. You 2575The player should be reasonably safe there for short amounts of time (e.g.
1722I<MUST> call C<leave_link> as soon as possible, though. 2576for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2577though, as the palyer cannot control the character while it is on the link
2578map.
1723 2579
1724Will never block. 2580Will never block.
1725 2581
1726=item $player_object->leave_link ($map, $x, $y) 2582=item $player_object->leave_link ($map, $x, $y)
1727 2583
… …
1750 $self->deactivate_recursive; 2606 $self->deactivate_recursive;
1751 2607
1752 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2608 return if UNIVERSAL::isa $self->map, "ext::map_link";
1753 2609
1754 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2610 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755 if $self->map; 2611 if $self->map && $self->map->{path} ne "{link}";
1756 2612
1757 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2613 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1758} 2614}
1759 2615
1760sub cf::object::player::leave_link { 2616sub cf::object::player::leave_link {
1761 my ($self, $map, $x, $y) = @_; 2617 my ($self, $map, $x, $y) = @_;
2618
2619 return unless $self->contr->active;
1762 2620
1763 my $link_pos = delete $self->{_link_pos}; 2621 my $link_pos = delete $self->{_link_pos};
1764 2622
1765 unless ($map) { 2623 unless ($map) {
1766 # restore original map position 2624 # restore original map position
… …
1777 ($x, $y) = (-1, -1) 2635 ($x, $y) = (-1, -1)
1778 unless (defined $x) && (defined $y); 2636 unless (defined $x) && (defined $y);
1779 2637
1780 # use -1 or undef as default coordinates, not 0, 0 2638 # use -1 or undef as default coordinates, not 0, 0
1781 ($x, $y) = ($map->enter_x, $map->enter_y) 2639 ($x, $y) = ($map->enter_x, $map->enter_y)
1782 if $x <=0 && $y <= 0; 2640 if $x <= 0 && $y <= 0;
1783 2641
1784 $map->load; 2642 $map->load;
1785 $map->load_diag; 2643 $map->load_neighbours;
1786 2644
1787 return unless $self->contr->active; 2645 return unless $self->contr->active;
2646
2647 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2648 $self->enter_map ($map, $x, $y);
2649
2650 # only activate afterwards, to support waiting in hooks
1788 $self->activate_recursive; 2651 $self->activate_recursive;
1789 $self->enter_map ($map, $x, $y);
1790} 2652}
1791 2653
1792cf::player->attach ( 2654=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793 on_logout => sub {
1794 my ($pl) = @_;
1795 2655
1796 # abort map switching before logout 2656Moves the player to the given map-path and coordinates by first freezing
1797 if ($pl->ob->{_link_pos}) { 2657her, loading and preparing them map, calling the provided $check callback
1798 cf::sync_job { 2658that has to return the map if sucecssful, and then unfreezes the player on
1799 $pl->ob->leave_link 2659the new (success) or old (failed) map position. In either case, $done will
1800 }; 2660be called at the end of this process.
1801 }
1802 },
1803 on_login => sub {
1804 my ($pl) = @_;
1805 2661
1806 # try to abort aborted map switching on player login :) 2662Note that $check will be called with a potentially non-loaded map, so if
1807 # should happen only on crashes 2663it needs a loaded map it has to call C<< ->load >>.
1808 if ($pl->ob->{_link_pos}) {
1809 $pl->ob->enter_link;
1810 (async {
1811 # we need this sleep as the login has a concurrent enter_exit running
1812 # and this sleep increases chances of the player not ending up in scorn
1813 $pl->ob->reply (undef,
1814 "There was an internal problem at your last logout, "
1815 . "the server will try to bring you to your intended destination in a second.",
1816 cf::NDI_RED);
1817 Coro::Timer::sleep 1;
1818 $pl->ob->leave_link;
1819 })->prio (2);
1820 }
1821 },
1822);
1823 2664
1824=item $player_object->goto ($path, $x, $y)
1825
1826=cut 2665=cut
2666
2667our $GOTOGEN;
1827 2668
1828sub cf::object::player::goto { 2669sub cf::object::player::goto {
1829 my ($self, $path, $x, $y) = @_; 2670 my ($self, $path, $x, $y, $check, $done) = @_;
2671
2672 # do generation counting so two concurrent goto's will be executed in-order
2673 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830 2674
1831 $self->enter_link; 2675 $self->enter_link;
1832 2676
1833 (async { 2677 (async {
2678 $Coro::current->{desc} = "player::goto $path $x $y";
2679
2680 # *tag paths override both path and x|y
2681 if ($path =~ /^\*(.*)$/) {
2682 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2683 my $ob = $obs[rand @obs];
2684
2685 # see if we actually can go there
2686 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2687 $ob = $obs[rand @obs];
2688 } else {
2689 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2690 }
2691 # else put us there anyways for now #d#
2692
2693 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2694 } else {
2695 ($path, $x, $y) = (undef, undef, undef);
2696 }
2697 }
2698
1834 my $map = eval { 2699 my $map = eval {
1835 my $map = cf::map::find $path; 2700 my $map = defined $path ? cf::map::find $path : undef;
2701
2702 if ($map) {
1836 $map = $map->customise_for ($self) if $map; 2703 $map = $map->customise_for ($self);
2704 $map = $check->($map) if $check && $map;
2705 } else {
2706 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2707 }
2708
1837 $map 2709 $map
2710 };
2711
2712 if ($@) {
2713 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2714 LOG llevError | logBacktrace, Carp::longmess $@;
1838 } or 2715 }
1839 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840 2716
2717 if ($gen == $self->{_goto_generation}) {
2718 delete $self->{_goto_generation};
1841 $self->leave_link ($map, $x, $y); 2719 $self->leave_link ($map, $x, $y);
2720 }
2721
2722 $done->() if $done;
1842 })->prio (1); 2723 })->prio (1);
1843} 2724}
1844 2725
1845=item $player_object->enter_exit ($exit_object) 2726=item $player_object->enter_exit ($exit_object)
1846 2727
… …
1866} 2747}
1867 2748
1868sub prepare_random_map { 2749sub prepare_random_map {
1869 my ($exit) = @_; 2750 my ($exit) = @_;
1870 2751
1871 my $guard = cf::lock_acquire "exit_prepare:$exit";
1872
1873 # all this does is basically replace the /! path by 2752 # all this does is basically replace the /! path by
1874 # a new random map path (?random/...) with a seed 2753 # a new random map path (?random/...) with a seed
1875 # that depends on the exit object 2754 # that depends on the exit object
1876 2755
1877 my $rmp = parse_random_map_params $exit->msg; 2756 my $rmp = parse_random_map_params $exit->msg;
… …
1879 if ($exit->map) { 2758 if ($exit->map) {
1880 $rmp->{region} = $exit->region->name; 2759 $rmp->{region} = $exit->region->name;
1881 $rmp->{origin_map} = $exit->map->path; 2760 $rmp->{origin_map} = $exit->map->path;
1882 $rmp->{origin_x} = $exit->x; 2761 $rmp->{origin_x} = $exit->x;
1883 $rmp->{origin_y} = $exit->y; 2762 $rmp->{origin_y} = $exit->y;
2763
2764 $exit->map->touch;
1884 } 2765 }
1885 2766
1886 $rmp->{random_seed} ||= $exit->random_seed; 2767 $rmp->{random_seed} ||= $exit->random_seed;
1887 2768
1888 my $data = cf::to_json $rmp; 2769 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1889 my $md5 = Digest::MD5::md5_hex $data; 2770 my $md5 = Digest::MD5::md5_hex $data;
1890 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2771 my $meta = "$RANDOMDIR/$md5.meta";
1891 2772
1892 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2773 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893 aio_write $fh, 0, (length $data), $data, 0; 2774 aio_write $fh, 0, (length $data), $data, 0;
1894 undef $fh; 2775 undef $fh;
1895 aio_rename "$meta~", $meta; 2776 aio_rename "$meta~", $meta;
1896 2777
2778 my $slaying = "?random/$md5";
2779
2780 if ($exit->valid) {
1897 $exit->slaying ("?random/$md5"); 2781 $exit->slaying ("?random/$md5");
1898 $exit->msg (undef); 2782 $exit->msg (undef);
2783 }
1899 } 2784 }
1900} 2785}
1901 2786
1902sub cf::object::player::enter_exit { 2787sub cf::object::player::enter_exit {
1903 my ($self, $exit) = @_; 2788 my ($self, $exit) = @_;
1904 2789
1905 return unless $self->type == cf::PLAYER; 2790 return unless $self->type == cf::PLAYER;
1906 2791
1907 if ($exit->slaying eq "/!") {
1908 #TODO: this should de-fi-ni-te-ly not be a sync-job
1909 cf::sync_job { prepare_random_map $exit };
1910 }
1911
1912 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913 my $hp = $exit->stats->hp;
1914 my $sp = $exit->stats->sp;
1915
1916 $self->enter_link; 2792 $self->enter_link;
1917 2793
1918 (async { 2794 (async {
1919 $self->deactivate_recursive; # just to be sure 2795 $Coro::current->{desc} = "enter_exit";
2796
1920 unless (eval { 2797 unless (eval {
2798 $self->deactivate_recursive; # just to be sure
2799
2800 # random map handling
2801 {
2802 my $guard = cf::lock_acquire "exit_prepare:$exit";
2803
2804 prepare_random_map $exit
2805 if $exit->slaying eq "/!";
2806 }
2807
2808 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2809 my $x = $exit->stats->hp;
2810 my $y = $exit->stats->sp;
2811
1921 $self->goto ($slaying, $hp, $sp); 2812 $self->goto ($map, $x, $y);
1922 2813
2814 # if exit is damned, update players death & WoR home-position
2815 $self->contr->savebed ($map, $x, $y)
2816 if $exit->flag (cf::FLAG_DAMNED);
2817
1923 1; 2818 1
1924 }) { 2819 }) {
1925 $self->message ("Something went wrong deep within the crossfire server. " 2820 $self->message ("Something went wrong deep within the deliantra server. "
1926 . "I'll try to bring you back to the map you were before. " 2821 . "I'll try to bring you back to the map you were before. "
1927 . "Please report this to the dungeon master!", 2822 . "Please report this to the dungeon master!",
1928 cf::NDI_UNIQUE | cf::NDI_RED); 2823 cf::NDI_UNIQUE | cf::NDI_RED);
1929 2824
1930 warn "ERROR in enter_exit: $@"; 2825 warn "ERROR in enter_exit: $@";
1931 $self->leave_link; 2826 $self->leave_link;
1932 } 2827 }
1933 })->prio (1); 2828 })->prio (1);
… …
1946 2841
1947sub cf::client::send_drawinfo { 2842sub cf::client::send_drawinfo {
1948 my ($self, $text, $flags) = @_; 2843 my ($self, $text, $flags) = @_;
1949 2844
1950 utf8::encode $text; 2845 utf8::encode $text;
1951 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2846 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952} 2847}
1953 2848
2849=item $client->send_big_packet ($pkt)
2850
2851Like C<send_packet>, but tries to compress large packets, and fragments
2852them as required.
2853
2854=cut
2855
2856our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
2857
2858sub cf::client::send_big_packet {
2859 my ($self, $pkt) = @_;
2860
2861 # try lzf for large packets
2862 $pkt = "lzf " . Compress::LZF::compress $pkt
2863 if 1024 <= length $pkt and $self->{can_lzf};
2864
2865 # split very large packets
2866 if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
2867 $self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
2868 $pkt = "frag";
2869 }
2870
2871 $self->send_packet ($pkt);
2872}
2873
2874=item $client->send_msg ($channel, $msg, $color, [extra...])
2875
2876Send a drawinfo or msg packet to the client, formatting the msg for the
2877client if neccessary. C<$type> should be a string identifying the type of
2878the message, with C<log> being the default. If C<$color> is negative, suppress
2879the message unless the client supports the msg packet.
2880
2881=cut
2882
2883# non-persistent channels (usually the info channel)
2884our %CHANNEL = (
2885 "c/motd" => {
2886 id => "infobox",
2887 title => "MOTD",
2888 reply => undef,
2889 tooltip => "The message of the day",
2890 },
2891 "c/identify" => {
2892 id => "infobox",
2893 title => "Identify",
2894 reply => undef,
2895 tooltip => "Items recently identified",
2896 },
2897 "c/examine" => {
2898 id => "infobox",
2899 title => "Examine",
2900 reply => undef,
2901 tooltip => "Signs and other items you examined",
2902 },
2903 "c/shopinfo" => {
2904 id => "infobox",
2905 title => "Shop Info",
2906 reply => undef,
2907 tooltip => "What your bargaining skill tells you about the shop",
2908 },
2909 "c/book" => {
2910 id => "infobox",
2911 title => "Book",
2912 reply => undef,
2913 tooltip => "The contents of a note or book",
2914 },
2915 "c/lookat" => {
2916 id => "infobox",
2917 title => "Look",
2918 reply => undef,
2919 tooltip => "What you saw there",
2920 },
2921 "c/who" => {
2922 id => "infobox",
2923 title => "Players",
2924 reply => undef,
2925 tooltip => "Shows players who are currently online",
2926 },
2927 "c/body" => {
2928 id => "infobox",
2929 title => "Body Parts",
2930 reply => undef,
2931 tooltip => "Shows which body parts you posess and are available",
2932 },
2933 "c/statistics" => {
2934 id => "infobox",
2935 title => "Statistics",
2936 reply => undef,
2937 tooltip => "Shows your primary statistics",
2938 },
2939 "c/skills" => {
2940 id => "infobox",
2941 title => "Skills",
2942 reply => undef,
2943 tooltip => "Shows your experience per skill and item power",
2944 },
2945 "c/shopitems" => {
2946 id => "infobox",
2947 title => "Shop Items",
2948 reply => undef,
2949 tooltip => "Shows the items currently for sale in this shop",
2950 },
2951 "c/resistances" => {
2952 id => "infobox",
2953 title => "Resistances",
2954 reply => undef,
2955 tooltip => "Shows your resistances",
2956 },
2957 "c/pets" => {
2958 id => "infobox",
2959 title => "Pets",
2960 reply => undef,
2961 tooltip => "Shows information abotu your pets/a specific pet",
2962 },
2963 "c/perceiveself" => {
2964 id => "infobox",
2965 title => "Perceive Self",
2966 reply => undef,
2967 tooltip => "You gained detailed knowledge about yourself",
2968 },
2969 "c/uptime" => {
2970 id => "infobox",
2971 title => "Uptime",
2972 reply => undef,
2973 tooltip => "How long the server has been running since last restart",
2974 },
2975 "c/mapinfo" => {
2976 id => "infobox",
2977 title => "Map Info",
2978 reply => undef,
2979 tooltip => "Information related to the maps",
2980 },
2981 "c/party" => {
2982 id => "party",
2983 title => "Party",
2984 reply => "gsay ",
2985 tooltip => "Messages and chat related to your party",
2986 },
2987 "c/death" => {
2988 id => "death",
2989 title => "Death",
2990 reply => undef,
2991 tooltip => "Reason for and more info about your most recent death",
2992 },
2993 "c/say" => $SAY_CHANNEL,
2994 "c/chat" => $CHAT_CHANNEL,
2995);
2996
2997sub cf::client::send_msg {
2998 my ($self, $channel, $msg, $color, @extra) = @_;
2999
3000 $msg = $self->pl->expand_cfpod ($msg)
3001 unless $color & cf::NDI_VERBATIM;
3002
3003 $color &= cf::NDI_CLIENT_MASK; # just in case...
3004
3005 # check predefined channels, for the benefit of C
3006 if ($CHANNEL{$channel}) {
3007 $channel = $CHANNEL{$channel};
3008
3009 $self->ext_msg (channel_info => $channel);
3010 $channel = $channel->{id};
3011
3012 } elsif (ref $channel) {
3013 # send meta info to client, if not yet sent
3014 unless (exists $self->{channel}{$channel->{id}}) {
3015 $self->{channel}{$channel->{id}} = $channel;
3016 $self->ext_msg (channel_info => $channel);
3017 }
3018
3019 $channel = $channel->{id};
3020 }
3021
3022 return unless @extra || length $msg;
3023
3024 # default colour, mask it out
3025 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
3026 if $color & cf::NDI_DEF;
3027
3028 my $pkt = "msg "
3029 . $self->{json_coder}->encode (
3030 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
3031 );
3032
3033 $self->send_big_packet ($pkt);
3034}
3035
3036=item $client->ext_msg ($type, @msg)
3037
3038Sends an ext event to the client.
3039
3040=cut
3041
3042sub cf::client::ext_msg($$@) {
3043 my ($self, $type, @msg) = @_;
3044
3045 if ($self->extcmd == 2) {
3046 $self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
3047 } elsif ($self->extcmd == 1) { # TODO: remove
3048 push @msg, msgtype => "event_$type";
3049 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3050 }
3051}
3052
3053=item $client->ext_reply ($msgid, @msg)
3054
3055Sends an ext reply to the client.
3056
3057=cut
3058
3059sub cf::client::ext_reply($$@) {
3060 my ($self, $id, @msg) = @_;
3061
3062 if ($self->extcmd == 2) {
3063 $self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
3064 } elsif ($self->extcmd == 1) {
3065 #TODO: version 1, remove
3066 unshift @msg, msgtype => "reply", msgid => $id;
3067 $self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
3068 }
3069}
1954 3070
1955=item $success = $client->query ($flags, "text", \&cb) 3071=item $success = $client->query ($flags, "text", \&cb)
1956 3072
1957Queues a query to the client, calling the given callback with 3073Queues a query to the client, calling the given callback with
1958the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 3074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 3075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960 3076
1961Queries can fail, so check the return code. Or don't, as queries will become 3077Queries can fail, so check the return code. Or don't, as queries will
1962reliable at some point in the future. 3078become reliable at some point in the future.
1963 3079
1964=cut 3080=cut
1965 3081
1966sub cf::client::query { 3082sub cf::client::query {
1967 my ($self, $flags, $text, $cb) = @_; 3083 my ($self, $flags, $text, $cb) = @_;
… …
1975 utf8::encode $text; 3091 utf8::encode $text;
1976 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 3092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977 3093
1978 $self->send_packet ($self->{query_queue}[0][0]) 3094 $self->send_packet ($self->{query_queue}[0][0])
1979 if @{ $self->{query_queue} } == 1; 3095 if @{ $self->{query_queue} } == 1;
3096
3097 1
1980} 3098}
1981 3099
1982cf::client->attach ( 3100cf::client->attach (
3101 on_connect => sub {
3102 my ($ns) = @_;
3103
3104 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3105 },
1983 on_reply => sub { 3106 on_reply => sub {
1984 my ($ns, $msg) = @_; 3107 my ($ns, $msg) = @_;
1985 3108
1986 # this weird shuffling is so that direct followup queries 3109 # this weird shuffling is so that direct followup queries
1987 # get handled first 3110 # get handled first
1988 my $queue = delete $ns->{query_queue} 3111 my $queue = delete $ns->{query_queue}
1989 or return; # be conservative, not sure how that can happen, but we saw a crash here 3112 or return; # be conservative, not sure how that can happen, but we saw a crash here
1990 3113
1991 (shift @$queue)->[1]->($msg); 3114 (shift @$queue)->[1]->($msg);
3115 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992 3116
1993 push @{ $ns->{query_queue} }, @$queue; 3117 push @{ $ns->{query_queue} }, @$queue;
1994 3118
1995 if (@{ $ns->{query_queue} } == @$queue) { 3119 if (@{ $ns->{query_queue} } == @$queue) {
1996 if (@$queue) { 3120 if (@$queue) {
… …
1998 } else { 3122 } else {
1999 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3123 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000 } 3124 }
2001 } 3125 }
2002 }, 3126 },
3127 on_exticmd => sub {
3128 my ($ns, $buf) = @_;
3129
3130 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3131
3132 if (ref $msg) {
3133 my ($type, $reply, @payload) =
3134 "ARRAY" eq ref $msg
3135 ? @$msg
3136 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3137
3138 my @reply;
3139
3140 if (my $cb = $EXTICMD{$type}) {
3141 @reply = $cb->($ns, @payload);
3142 }
3143
3144 $ns->ext_reply ($reply, @reply)
3145 if $reply;
3146
3147 } else {
3148 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3149 }
3150
3151 cf::override;
3152 },
2003); 3153);
2004 3154
2005=item $client->async (\&cb) 3155=item $client->async (\&cb)
2006 3156
2007Create a new coroutine, running the specified callback. The coroutine will 3157Create a new coroutine, running the specified callback. The coroutine will
… …
2023 3173
2024 $coro 3174 $coro
2025} 3175}
2026 3176
2027cf::client->attach ( 3177cf::client->attach (
2028 on_destroy => sub { 3178 on_client_destroy => sub {
2029 my ($ns) = @_; 3179 my ($ns) = @_;
2030 3180
2031 $_->cancel for values %{ (delete $ns->{_coro}) || {} }; 3181 $_->cancel for values %{ (delete $ns->{_coro}) || {} };
2032 }, 3182 },
2033); 3183);
… …
2048our $safe = new Safe "safe"; 3198our $safe = new Safe "safe";
2049our $safe_hole = new Safe::Hole; 3199our $safe_hole = new Safe::Hole;
2050 3200
2051$SIG{FPE} = 'IGNORE'; 3201$SIG{FPE} = 'IGNORE';
2052 3202
2053$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3203$safe->permit_only (Opcode::opset qw(
3204 :base_core :base_mem :base_orig :base_math :base_loop
3205 grepstart grepwhile mapstart mapwhile
3206 sort time
3207));
2054 3208
2055# here we export the classes and methods available to script code 3209# here we export the classes and methods available to script code
2056 3210
2057=pod 3211=pod
2058 3212
2059The following fucntions and emthods are available within a safe environment: 3213The following functions and methods are available within a safe environment:
2060 3214
2061 cf::object contr pay_amount pay_player map 3215 cf::object
3216 contr pay_amount pay_player map x y force_find force_add destroy
3217 insert remove name archname title slaying race decrease split
3218 value
3219
2062 cf::object::player player 3220 cf::object::player
2063 cf::player peaceful 3221 player
2064 cf::map trigger 3222
3223 cf::player
3224 peaceful
3225
3226 cf::map
3227 trigger
2065 3228
2066=cut 3229=cut
2067 3230
2068for ( 3231for (
2069 ["cf::object" => qw(contr pay_amount pay_player map)], 3232 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3233 insert remove inv nrof name archname title slaying race
3234 decrease split destroy change_exp value msg lore send_msg)],
2070 ["cf::object::player" => qw(player)], 3235 ["cf::object::player" => qw(player)],
2071 ["cf::player" => qw(peaceful)], 3236 ["cf::player" => qw(peaceful send_msg)],
2072 ["cf::map" => qw(trigger)], 3237 ["cf::map" => qw(trigger)],
2073) { 3238) {
2074 no strict 'refs'; 3239 no strict 'refs';
2075 my ($pkg, @funs) = @$_; 3240 my ($pkg, @funs) = @$_;
2076 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"}) 3241 *{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
… …
2094 3259
2095 my $qcode = $code; 3260 my $qcode = $code;
2096 $qcode =~ s/"/‟/g; # not allowed in #line filenames 3261 $qcode =~ s/"/‟/g; # not allowed in #line filenames
2097 $qcode =~ s/\n/\\n/g; 3262 $qcode =~ s/\n/\\n/g;
2098 3263
3264 %vars = (_dummy => 0) unless %vars;
3265
3266 my @res;
2099 local $_; 3267 local $_;
2100 local @safe::cf::_safe_eval_args = values %vars;
2101 3268
2102 my $eval = 3269 my $eval =
2103 "do {\n" 3270 "do {\n"
2104 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n" 3271 . "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2105 . "#line 0 \"{$qcode}\"\n" 3272 . "#line 0 \"{$qcode}\"\n"
2106 . $code 3273 . $code
2107 . "\n}" 3274 . "\n}"
2108 ; 3275 ;
2109 3276
3277 if ($CFG{safe_eval}) {
2110 sub_generation_inc; 3278 sub_generation_inc;
3279 local @safe::cf::_safe_eval_args = values %vars;
2111 my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval); 3280 @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2112 sub_generation_inc; 3281 sub_generation_inc;
3282 } else {
3283 local @cf::_safe_eval_args = values %vars;
3284 @res = wantarray ? eval eval : scalar eval $eval;
3285 }
2113 3286
2114 if ($@) { 3287 if ($@) {
2115 warn "$@"; 3288 warn "$@";
2116 warn "while executing safe code '$code'\n"; 3289 warn "while executing safe code '$code'\n";
2117 warn "with arguments " . (join " ", %vars) . "\n"; 3290 warn "with arguments " . (join " ", %vars) . "\n";
… …
2136=cut 3309=cut
2137 3310
2138sub register_script_function { 3311sub register_script_function {
2139 my ($fun, $cb) = @_; 3312 my ($fun, $cb) = @_;
2140 3313
2141 no strict 'refs'; 3314 $fun = "safe::$fun" if $CFG{safe_eval};
2142 *{"safe::$fun"} = $safe_hole->wrap ($cb); 3315 *$fun = $safe_hole->wrap ($cb);
2143} 3316}
2144 3317
2145=back 3318=back
2146 3319
2147=cut 3320=cut
2148 3321
2149############################################################################# 3322#############################################################################
3323# the server's init and main functions
2150 3324
2151=head2 EXTENSION DATABASE SUPPORT 3325sub load_facedata($) {
3326 my ($path) = @_;
2152 3327
2153Crossfire maintains a very simple database for extension use. It can 3328 # HACK to clear player env face cache, we need some signal framework
2154currently store anything that can be serialised using Storable, which 3329 # for this (global event?)
2155excludes objects. 3330 %ext::player_env::MUSIC_FACE_CACHE = ();
2156 3331
2157The parameter C<$family> should best start with the name of the extension 3332 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158using it, it should be unique.
2159 3333
2160=over 4 3334 warn "loading facedata from $path\n";
2161 3335
2162=item $hashref = cf::db_get $family 3336 my $facedata;
3337 0 < aio_load $path, $facedata
3338 or die "$path: $!";
2163 3339
2164Return a hashref for use by the extension C<$family>, which can be 3340 $facedata = Coro::Storable::thaw $facedata;
2165modified. After modifications, you have to call C<cf::db_dirty> or
2166C<cf::db_sync>.
2167 3341
2168=item $value = cf::db_get $family => $key 3342 $facedata->{version} == 2
3343 or cf::cleanup "$path: version mismatch, cannot proceed.";
2169 3344
2170Returns a single value from the database 3345 # patch in the exptable
2171 3346 my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2172=item cf::db_put $family => $hashref 3347 $facedata->{resource}{"res/exp_table"} = {
2173 3348 type => FT_RSRC,
2174Stores the given family hashref into the database. Updates are delayed, if 3349 data => $exp_table,
2175you want the data to be synced to disk immediately, use C<cf::db_sync>. 3350 hash => (Digest::MD5::md5 $exp_table),
2176
2177=item cf::db_put $family => $key => $value
2178
2179Stores the given C<$value> in the family hash. Updates are delayed, if you
2180want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182=item cf::db_dirty
2183
2184Marks the database as dirty, to be updated at a later time.
2185
2186=item cf::db_sync
2187
2188Immediately write the database to disk I<if it is dirty>.
2189
2190=cut
2191
2192our $DB;
2193
2194{
2195 my $path = cf::localdir . "/database.pst";
2196
2197 sub db_load() {
2198 $DB = stat $path ? Storable::retrieve $path : { };
2199 } 3351 };
3352 cf::cede_to_tick;
2200 3353
2201 my $pid;
2202
2203 sub db_save() {
2204 waitpid $pid, 0 if $pid;
2205 if (0 == ($pid = fork)) {
2206 $DB->{_meta}{version} = 1;
2207 Storable::nstore $DB, "$path~";
2208 rename "$path~", $path;
2209 cf::_exit 0 if defined $pid;
2210 }
2211 } 3354 {
3355 my $faces = $facedata->{faceinfo};
2212 3356
2213 my $dirty; 3357 while (my ($face, $info) = each %$faces) {
3358 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2214 3359
2215 sub db_sync() { 3360 cf::face::set_visibility $idx, $info->{visibility};
2216 db_save if $dirty; 3361 cf::face::set_magicmap $idx, $info->{magicmap};
2217 undef $dirty; 3362 cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2218 } 3363 cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2219 3364
2220 my $idle = Event->idle ( 3365 cf::cede_to_tick;
2221 reentrant => 0,
2222 min => 10,
2223 max => 20,
2224 repeat => 0,
2225 data => WF_AUTOCANCEL,
2226 cb => \&db_sync,
2227 );
2228
2229 sub db_dirty() {
2230 $dirty = 1;
2231 $idle->start;
2232 }
2233
2234 sub db_get($;$) {
2235 @_ >= 2
2236 ? $DB->{$_[0]}{$_[1]}
2237 : ($DB->{$_[0]} ||= { })
2238 }
2239
2240 sub db_put($$;$) {
2241 if (@_ >= 3) {
2242 $DB->{$_[0]}{$_[1]} = $_[2];
2243 } else {
2244 $DB->{$_[0]} = $_[1];
2245 }
2246 db_dirty;
2247 }
2248
2249 cf::global->attach (
2250 prio => 10000,
2251 on_cleanup => sub {
2252 db_sync;
2253 }, 3366 }
2254 );
2255}
2256 3367
2257############################################################################# 3368 while (my ($face, $info) = each %$faces) {
2258# the server's main() 3369 next unless $info->{smooth};
2259 3370
2260sub cfg_load { 3371 my $idx = cf::face::find $face
3372 or next;
3373
3374 if (my $smooth = cf::face::find $info->{smooth}) {
3375 cf::face::set_smooth $idx, $smooth;
3376 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3377 } else {
3378 warn "smooth face '$info->{smooth}' not found for face '$face'";
3379 }
3380
3381 cf::cede_to_tick;
3382 }
3383 }
3384
3385 {
3386 my $anims = $facedata->{animinfo};
3387
3388 while (my ($anim, $info) = each %$anims) {
3389 cf::anim::set $anim, $info->{frames}, $info->{facings};
3390 cf::cede_to_tick;
3391 }
3392
3393 cf::anim::invalidate_all; # d'oh
3394 }
3395
3396 {
3397 my $res = $facedata->{resource};
3398
3399 while (my ($name, $info) = each %$res) {
3400 if (defined $info->{type}) {
3401 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3402
3403 cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3404 cf::face::set_type $idx, $info->{type};
3405 } else {
3406 $RESOURCE{$name} = $info;
3407 }
3408
3409 cf::cede_to_tick;
3410 }
3411 }
3412
3413 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3414
3415 1
3416}
3417
3418cf::global->attach (on_resource_update => sub {
3419 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3420 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3421
3422 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3423 my $sound = $soundconf->{compat}[$_]
3424 or next;
3425
3426 my $face = cf::face::find "sound/$sound->[1]";
3427 cf::sound::set $sound->[0] => $face;
3428 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3429 }
3430
3431 while (my ($k, $v) = each %{$soundconf->{event}}) {
3432 my $face = cf::face::find "sound/$v";
3433 cf::sound::set $k => $face;
3434 }
3435 }
3436});
3437
3438register_exticmd fx_want => sub {
3439 my ($ns, $want) = @_;
3440
3441 while (my ($k, $v) = each %$want) {
3442 $ns->fx_want ($k, $v);
3443 }
3444};
3445
3446sub load_resource_file($) {
3447 my $guard = lock_acquire "load_resource_file";
3448
3449 my $status = load_resource_file_ $_[0];
3450 get_slot 0.1, 100;
3451 cf::arch::commit_load;
3452
3453 $status
3454}
3455
3456sub reload_regions {
3457 # HACK to clear player env face cache, we need some signal framework
3458 # for this (global event?)
3459 %ext::player_env::MUSIC_FACE_CACHE = ();
3460
3461 load_resource_file "$MAPDIR/regions"
3462 or die "unable to load regions file\n";
3463
3464 for (cf::region::list) {
3465 $_->{match} = qr/$_->{match}/
3466 if exists $_->{match};
3467 }
3468}
3469
3470sub reload_facedata {
3471 load_facedata "$DATADIR/facedata"
3472 or die "unable to load facedata\n";
3473}
3474
3475sub reload_archetypes {
3476 load_resource_file "$DATADIR/archetypes"
3477 or die "unable to load archetypes\n";
3478}
3479
3480sub reload_treasures {
3481 load_resource_file "$DATADIR/treasures"
3482 or die "unable to load treasurelists\n";
3483}
3484
3485sub reload_resources {
3486 warn "reloading resource files...\n";
3487
3488 reload_facedata;
3489 reload_archetypes;
3490 reload_regions;
3491 reload_treasures;
3492
3493 warn "finished reloading resource files\n";
3494}
3495
3496sub reload_config {
3497 warn "reloading config file...\n";
3498
2261 open my $fh, "<:utf8", cf::confdir . "/config" 3499 open my $fh, "<:utf8", "$CONFDIR/config"
2262 or return; 3500 or return;
2263 3501
2264 local $/; 3502 local $/;
2265 *CFG = YAML::Syck::Load <$fh>; 3503 *CFG = YAML::XS::Load scalar <$fh>;
2266 3504
2267 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3505 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2268 3506
2269 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3507 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2270 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3508 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2274 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3512 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2275 and die "WARNING: m(un)lockall failed: $!\n"; 3513 and die "WARNING: m(un)lockall failed: $!\n";
2276 }; 3514 };
2277 warn $@ if $@; 3515 warn $@ if $@;
2278 } 3516 }
3517
3518 warn "finished reloading resource files\n";
3519}
3520
3521sub pidfile() {
3522 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3523 or die "$PIDFILE: $!";
3524 flock $fh, &Fcntl::LOCK_EX
3525 or die "$PIDFILE: flock: $!";
3526 $fh
3527}
3528
3529# make sure only one server instance is running at any one time
3530sub atomic {
3531 my $fh = pidfile;
3532
3533 my $pid = <$fh>;
3534 kill 9, $pid if $pid > 0;
3535
3536 seek $fh, 0, 0;
3537 print $fh $$;
3538}
3539
3540sub main_loop {
3541 warn "EV::loop starting\n";
3542 if (1) {
3543 EV::loop;
3544 }
3545 warn "EV::loop returned\n";
3546 goto &main_loop unless $REALLY_UNLOOP;
2279} 3547}
2280 3548
2281sub main { 3549sub main {
3550 cf::init_globals; # initialise logging
3551
3552 LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3553 LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3554 LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3555 LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3556
3557 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3558
2282 # we must not ever block the main coroutine 3559 # we must not ever block the main coroutine
2283 local $Coro::idle = sub { 3560 local $Coro::idle = sub {
2284 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3561 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2285 (async { 3562 (async {
2286 Event::one_event; 3563 $Coro::current->{desc} = "IDLE BUG HANDLER";
3564 EV::loop EV::LOOP_ONESHOT;
2287 })->prio (Coro::PRIO_MAX); 3565 })->prio (Coro::PRIO_MAX);
2288 }; 3566 };
2289 3567
2290 cfg_load; 3568 evthread_start IO::AIO::poll_fileno;
2291 db_load; 3569
3570 cf::sync_job {
3571 cf::init_experience;
3572 cf::init_anim;
3573 cf::init_attackmess;
3574 cf::init_dynamic;
3575
3576 cf::load_settings;
3577 cf::load_materials;
3578
3579 reload_resources;
3580 reload_config;
3581 db_init;
3582
3583 cf::init_uuid;
3584 cf::init_signals;
3585 cf::init_skills;
3586
3587 cf::init_beforeplay;
3588
3589 atomic;
3590
2292 load_extensions; 3591 load_extensions;
2293 3592
2294 $TICK_WATCHER->start; 3593 utime time, time, $RUNTIMEFILE;
2295 Event::loop; 3594
3595 # no (long-running) fork's whatsoever before this point(!)
3596 use POSIX ();
3597 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3598
3599 (pop @POST_INIT)->(0) while @POST_INIT;
3600 };
3601
3602 cf::object::thawer::errors_are_fatal 0;
3603 warn "parse errors in files are no longer fatal from this point on.\n";
3604
3605 main_loop;
2296} 3606}
2297 3607
2298############################################################################# 3608#############################################################################
2299# initialisation and cleanup 3609# initialisation and cleanup
2300 3610
2301# install some emergency cleanup handlers 3611# install some emergency cleanup handlers
2302BEGIN { 3612BEGIN {
3613 our %SIGWATCHER = ();
2303 for my $signal (qw(INT HUP TERM)) { 3614 for my $signal (qw(INT HUP TERM)) {
2304 Event->signal ( 3615 $SIGWATCHER{$signal} = AE::signal $signal, sub {
2305 reentrant => 0,
2306 data => WF_AUTOCANCEL,
2307 signal => $signal,
2308 prio => 0,
2309 cb => sub {
2310 cf::cleanup "SIG$signal"; 3616 cf::cleanup "SIG$signal";
2311 },
2312 ); 3617 };
3618 }
3619}
3620
3621sub write_runtime_sync {
3622 my $t0 = AE::time;
3623
3624 # first touch the runtime file to show we are still running:
3625 # the fsync below can take a very very long time.
3626
3627 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3628
3629 my $guard = cf::lock_acquire "write_runtime";
3630
3631 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3632 or return;
3633
3634 my $value = $cf::RUNTIME + 90 + 10;
3635 # 10 is the runtime save interval, for a monotonic clock
3636 # 60 allows for the watchdog to kill the server.
3637
3638 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3639 and return;
3640
3641 # always fsync - this file is important
3642 aio_fsync $fh
3643 and return;
3644
3645 # touch it again to show we are up-to-date
3646 aio_utime $fh, undef, undef;
3647
3648 close $fh
3649 or return;
3650
3651 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3652 and return;
3653
3654 warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
3655
2313 } 3656 1
3657}
3658
3659our $uuid_lock;
3660our $uuid_skip;
3661
3662sub write_uuid_sync($) {
3663 $uuid_skip ||= $_[0];
3664
3665 return if $uuid_lock;
3666 local $uuid_lock = 1;
3667
3668 my $uuid = "$LOCALDIR/uuid";
3669
3670 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3671 or return;
3672
3673 my $value = uuid_seq uuid_cur;
3674
3675 unless ($value) {
3676 warn "cowardly refusing to write zero uuid value!\n";
3677 return;
3678 }
3679
3680 my $value = uuid_str $value + $uuid_skip;
3681 $uuid_skip = 0;
3682
3683 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3684 and return;
3685
3686 # always fsync - this file is important
3687 aio_fsync $fh
3688 and return;
3689
3690 close $fh
3691 or return;
3692
3693 aio_rename "$uuid~", $uuid
3694 and return;
3695
3696 warn "uuid file written ($value).\n";
3697
3698 1
3699
3700}
3701
3702sub write_uuid($$) {
3703 my ($skip, $sync) = @_;
3704
3705 $sync ? write_uuid_sync $skip
3706 : async { write_uuid_sync $skip };
2314} 3707}
2315 3708
2316sub emergency_save() { 3709sub emergency_save() {
2317 my $freeze_guard = cf::freeze_mainloop; 3710 my $freeze_guard = cf::freeze_mainloop;
2318 3711
2319 warn "enter emergency perl save\n"; 3712 warn "emergency_perl_save: enter\n";
2320 3713
2321 cf::sync_job { 3714 cf::sync_job {
3715 # this is a trade-off: we want to be very quick here, so
3716 # save all maps without fsync, and later call a global sync
3717 # (which in turn might be very very slow)
3718 local $USE_FSYNC = 0;
3719
2322 # use a peculiar iteration method to avoid tripping on perl 3720 # use a peculiar iteration method to avoid tripping on perl
2323 # refcount bugs in for. also avoids problems with players 3721 # refcount bugs in for. also avoids problems with players
2324 # and maps saved/destroyed asynchronously. 3722 # and maps saved/destroyed asynchronously.
2325 warn "begin emergency player save\n"; 3723 warn "emergency_perl_save: begin player save\n";
2326 for my $login (keys %cf::PLAYER) { 3724 for my $login (keys %cf::PLAYER) {
2327 my $pl = $cf::PLAYER{$login} or next; 3725 my $pl = $cf::PLAYER{$login} or next;
2328 $pl->valid or next; 3726 $pl->valid or next;
3727 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2329 $pl->save; 3728 $pl->save;
2330 } 3729 }
2331 warn "end emergency player save\n"; 3730 warn "emergency_perl_save: end player save\n";
2332 3731
2333 warn "begin emergency map save\n"; 3732 warn "emergency_perl_save: begin map save\n";
2334 for my $path (keys %cf::MAP) { 3733 for my $path (keys %cf::MAP) {
2335 my $map = $cf::MAP{$path} or next; 3734 my $map = $cf::MAP{$path} or next;
2336 $map->valid or next; 3735 $map->valid or next;
2337 $map->save; 3736 $map->save;
2338 } 3737 }
2339 warn "end emergency map save\n"; 3738 warn "emergency_perl_save: end map save\n";
3739
3740 warn "emergency_perl_save: begin database checkpoint\n";
3741 BDB::db_env_txn_checkpoint $DB_ENV;
3742 warn "emergency_perl_save: end database checkpoint\n";
3743
3744 warn "emergency_perl_save: begin write uuid\n";
3745 write_uuid_sync 1;
3746 warn "emergency_perl_save: end write uuid\n";
2340 }; 3747 };
2341 3748
3749 warn "emergency_perl_save: starting sync()\n";
3750 IO::AIO::aio_sync sub {
3751 warn "emergency_perl_save: finished sync()\n";
3752 };
3753
2342 warn "leave emergency perl save\n"; 3754 warn "emergency_perl_save: leave\n";
2343} 3755}
2344 3756
3757sub post_cleanup {
3758 my ($make_core) = @_;
3759
3760 warn Carp::longmess "post_cleanup backtrace"
3761 if $make_core;
3762
3763 my $fh = pidfile;
3764 unlink $PIDFILE if <$fh> == $$;
3765}
3766
3767# a safer delete_package, copied from Symbol
3768sub clear_package($) {
3769 my $pkg = shift;
3770
3771 # expand to full symbol table name if needed
3772 unless ($pkg =~ /^main::.*::$/) {
3773 $pkg = "main$pkg" if $pkg =~ /^::/;
3774 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3775 $pkg .= '::' unless $pkg =~ /::$/;
3776 }
3777
3778 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3779 my $stem_symtab = *{$stem}{HASH};
3780
3781 defined $stem_symtab and exists $stem_symtab->{$leaf}
3782 or return;
3783
3784 # clear all symbols
3785 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3786 for my $name (keys %$leaf_symtab) {
3787 _gv_clear *{"$pkg$name"};
3788# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3789 }
3790 warn "cleared package $pkg\n";#d#
3791}
3792
2345sub reload() { 3793sub do_reload_perl() {
2346 # can/must only be called in main 3794 # can/must only be called in main
2347 if ($Coro::current != $Coro::main) { 3795 if ($Coro::current != $Coro::main) {
2348 warn "can only reload from main coroutine"; 3796 warn "can only reload from main coroutine";
2349 return; 3797 return;
2350 } 3798 }
2351 3799
3800 return if $RELOAD++;
3801
3802 my $t1 = AE::time;
3803
3804 while ($RELOAD) {
2352 warn "reloading..."; 3805 warn "reloading...";
2353 3806
2354 warn "cancelling server ticker"; 3807 warn "entering sync_job";
2355 $TICK_WATCHER->cancel;
2356 3808
3809 cf::sync_job {
3810 cf::write_runtime_sync; # external watchdog should not bark
2357 cf::emergency_save; 3811 cf::emergency_save;
3812 cf::write_runtime_sync; # external watchdog should not bark
2358 3813
2359 eval { 3814 warn "syncing database to disk";
3815 BDB::db_env_txn_checkpoint $DB_ENV;
3816
2360 # if anything goes wrong in here, we should simply crash as we already saved 3817 # if anything goes wrong in here, we should simply crash as we already saved
2361 3818
2362 warn "syncing database to disk";
2363 cf::db_sync;
2364
2365 warn "cancelling all WF_AUTOCANCEL watchers";
2366 for (Event::all_watchers) {
2367 $_->cancel if $_->data & WF_AUTOCANCEL;
2368 }
2369
2370 warn "flushing outstanding aio requests"; 3819 warn "flushing outstanding aio requests";
2371 for (;;) { 3820 while (IO::AIO::nreqs || BDB::nreqs) {
2372 IO::AIO::flush; 3821 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2373 Coro::cede;
2374 last unless IO::AIO::nreqs;
2375 warn "iterate...";
2376 }
2377
2378 warn "cancelling all extension coros";
2379 $_->cancel for values %EXT_CORO;
2380 %EXT_CORO = ();
2381
2382 warn "removing commands";
2383 %COMMAND = ();
2384
2385 warn "removing ext commands";
2386 %EXTCMD = ();
2387
2388 warn "unloading/nuking all extensions";
2389 for my $pkg (@EXTS) {
2390 warn "... unloading $pkg";
2391
2392 if (my $cb = $pkg->can ("unload")) {
2393 eval {
2394 $cb->($pkg);
2395 1
2396 } or warn "$pkg unloaded, but with errors: $@";
2397 } 3822 }
2398 3823
2399 warn "... nuking $pkg"; 3824 warn "cancelling all extension coros";
2400 Symbol::delete_package $pkg; 3825 $_->cancel for values %EXT_CORO;
2401 } 3826 %EXT_CORO = ();
2402 3827
2403 warn "unloading all perl modules loaded from $LIBDIR"; 3828 warn "removing commands";
2404 while (my ($k, $v) = each %INC) { 3829 %COMMAND = ();
2405 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2406 3830
3831 warn "removing ext/exti commands";
3832 %EXTCMD = ();
3833 %EXTICMD = ();
3834
3835 warn "unloading/nuking all extensions";
3836 for my $pkg (@EXTS) {
2407 warn "... unloading $k"; 3837 warn "... unloading $pkg";
2408 delete $INC{$k};
2409 3838
2410 $k =~ s/\.pm$//;
2411 $k =~ s/\//::/g;
2412
2413 if (my $cb = $k->can ("unload_module")) { 3839 if (my $cb = $pkg->can ("unload")) {
3840 eval {
2414 $cb->(); 3841 $cb->($pkg);
3842 1
3843 } or warn "$pkg unloaded, but with errors: $@";
3844 }
3845
3846 warn "... clearing $pkg";
3847 clear_package $pkg;
2415 } 3848 }
2416 3849
2417 Symbol::delete_package $k; 3850 warn "unloading all perl modules loaded from $LIBDIR";
3851 while (my ($k, $v) = each %INC) {
3852 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3853
3854 warn "... unloading $k";
3855 delete $INC{$k};
3856
3857 $k =~ s/\.pm$//;
3858 $k =~ s/\//::/g;
3859
3860 if (my $cb = $k->can ("unload_module")) {
3861 $cb->();
3862 }
3863
3864 clear_package $k;
2418 } 3865 }
2419 3866
2420 warn "getting rid of safe::, as good as possible"; 3867 warn "getting rid of safe::, as good as possible";
2421 Symbol::delete_package "safe::$_" 3868 clear_package "safe::$_"
2422 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3869 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423 3870
2424 warn "unloading cf.pm \"a bit\""; 3871 warn "unloading cf.pm \"a bit\"";
2425 delete $INC{"cf.pm"}; 3872 delete $INC{"cf.pm"};
3873 delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2426 3874
2427 # don't, removes xs symbols, too, 3875 # don't, removes xs symbols, too,
2428 # and global variables created in xs 3876 # and global variables created in xs
2429 #Symbol::delete_package __PACKAGE__; 3877 #clear_package __PACKAGE__;
2430 3878
2431 warn "unload completed, starting to reload now"; 3879 warn "unload completed, starting to reload now";
2432 3880
2433 warn "reloading cf.pm"; 3881 warn "reloading cf.pm";
2434 require cf; 3882 require cf;
2435 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3883 cf::_connect_to_perl_1;
2436 3884
2437 warn "loading config and database again"; 3885 warn "loading config and database again";
2438 cf::cfg_load; 3886 cf::reload_config;
2439 cf::db_load;
2440 3887
2441 warn "loading extensions"; 3888 warn "loading extensions";
2442 cf::load_extensions; 3889 cf::load_extensions;
2443 3890
3891 if ($REATTACH_ON_RELOAD) {
2444 warn "reattaching attachments to objects/players"; 3892 warn "reattaching attachments to objects/players";
2445 _global_reattach; 3893 _global_reattach; # objects, sockets
2446 warn "reattaching attachments to maps"; 3894 warn "reattaching attachments to maps";
2447 reattach $_ for values %MAP; 3895 reattach $_ for values %MAP;
3896 warn "reattaching attachments to players";
3897 reattach $_ for values %PLAYER;
3898 }
2448 3899
2449 warn "restarting server ticker"; 3900 warn "running post_init jobs";
3901 (pop @POST_INIT)->(1) while @POST_INIT;
2450 3902
2451 $TICK_WATCHER->start; 3903 warn "leaving sync_job";
3904
3905 1
3906 } or do {
3907 warn $@;
3908 cf::cleanup "error while reloading, exiting.";
3909 };
3910
3911 warn "reloaded";
3912 --$RELOAD;
3913 }
3914
3915 $t1 = AE::time - $t1;
3916 warn "reload completed in ${t1}s\n";
3917};
3918
3919our $RELOAD_WATCHER; # used only during reload
3920
3921sub reload_perl() {
3922 # doing reload synchronously and two reloads happen back-to-back,
3923 # coro crashes during coro_state_free->destroy here.
3924
3925 $RELOAD_WATCHER ||= cf::async {
3926 Coro::AIO::aio_wait cache_extensions;
3927
3928 $RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3929 do_reload_perl;
3930 undef $RELOAD_WATCHER;
3931 };
2452 }; 3932 };
2453 3933}
2454 if ($@) {
2455 warn $@;
2456 warn "error while reloading, exiting.";
2457 exit 1;
2458 }
2459
2460 warn "reloaded";
2461};
2462
2463our $RELOAD_WATCHER; # used only during reload
2464 3934
2465register_command "reload" => sub { 3935register_command "reload" => sub {
2466 my ($who, $arg) = @_; 3936 my ($who, $arg) = @_;
2467 3937
2468 if ($who->flag (FLAG_WIZ)) { 3938 if ($who->flag (FLAG_WIZ)) {
2469 $who->message ("reloading server."); 3939 $who->message ("reloading server.");
2470 3940 async {
2471 # doing reload synchronously and two reloads happen back-to-back, 3941 $Coro::current->{desc} = "perl_reload";
2472 # coro crashes during coro_state_free->destroy here.
2473
2474 $RELOAD_WATCHER ||= Event->timer (
2475 reentrant => 0,
2476 after => 0,
2477 data => WF_AUTOCANCEL,
2478 cb => sub {
2479 reload; 3942 reload_perl;
2480 undef $RELOAD_WATCHER;
2481 },
2482 ); 3943 };
2483 } 3944 }
2484}; 3945};
2485 3946
2486unshift @INC, $LIBDIR; 3947unshift @INC, $LIBDIR;
2487 3948
2488my $bug_warning = 0; 3949my $bug_warning = 0;
2489 3950
2490$TICK_WATCHER = Event->timer ( 3951our @WAIT_FOR_TICK;
2491 reentrant => 0, 3952our @WAIT_FOR_TICK_BEGIN;
2492 parked => 1, 3953
2493 prio => 0, 3954sub wait_for_tick {
2494 at => $NEXT_TICK || $TICK, 3955 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
2495 data => WF_AUTOCANCEL, 3956
2496 cb => sub { 3957 my $signal = new Coro::Signal;
3958 push @WAIT_FOR_TICK, $signal;
3959 $signal->wait;
3960}
3961
3962sub wait_for_tick_begin {
3963 return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
3964
3965 my $signal = new Coro::Signal;
3966 push @WAIT_FOR_TICK_BEGIN, $signal;
3967 $signal->wait;
3968}
3969
3970sub tick {
2497 if ($Coro::current != $Coro::main) { 3971 if ($Coro::current != $Coro::main) {
2498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3972 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499 unless ++$bug_warning > 10; 3973 unless ++$bug_warning > 10;
2500 return; 3974 return;
2501 } 3975 }
2502 3976
2503 $NOW = Event::time;
2504
2505 cf::server_tick; # one server iteration 3977 cf::server_tick; # one server iteration
2506 $RUNTIME += $TICK;
2507 $NEXT_TICK += $TICK;
2508 3978
2509 $WAIT_FOR_TICK->broadcast; 3979 #for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2510 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2511 3980
2512 Event::sweep; 3981 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2513 Coro::cede_notself; 3982 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2514 3983 Coro::async_pool {
2515# my $AFTER = Event::time; 3984 $Coro::current->{desc} = "runtime saver";
2516# warn $AFTER - $NOW;#d#
2517
2518 # if we are delayed by four ticks or more, skip them all
2519 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2520
2521 $TICK_WATCHER->at ($NEXT_TICK);
2522 $TICK_WATCHER->start;
2523 },
2524);
2525
2526IO::AIO::max_poll_time $TICK * 0.1;
2527
2528undef $Coro::AIO::WATCHER;
2529$AIO_POLL_WATCHER = Event->io (
2530 reentrant => 0,
2531 fd => IO::AIO::poll_fileno,
2532 poll => 'r',
2533 prio => 6,
2534 data => WF_AUTOCANCEL,
2535 cb => \&IO::AIO::poll_cb,
2536);
2537
2538$WRITE_RUNTIME_WATCHER = Event->timer (
2539 reentrant => 0,
2540 data => WF_AUTOCANCEL,
2541 after => 1,
2542 interval => 10,
2543 prio => 6, # keep it lowest so it acts like a watchdog
2544 cb => Coro::unblock_sub {
2545 write_runtime 3985 write_runtime_sync
2546 or warn "ERROR: unable to write runtime file: $!"; 3986 or warn "ERROR: unable to write runtime file: $!";
3987 };
2547 }, 3988 }
2548); 3989
3990 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3991 $sig->send;
3992 }
3993 while (my $sig = shift @WAIT_FOR_TICK) {
3994 $sig->send;
3995 }
3996
3997 $LOAD = ($NOW - $TICK_START) / $TICK;
3998 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3999
4000 if (0) {
4001 if ($NEXT_TICK) {
4002 my $jitter = $TICK_START - $NEXT_TICK;
4003 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
4004 warn "jitter $JITTER\n";#d#
4005 }
4006 }
4007}
4008
4009{
4010 # configure BDB
4011
4012 BDB::min_parallel 16;
4013 BDB::max_poll_reqs $TICK * 0.1;
4014 $AnyEvent::BDB::WATCHER->priority (1);
4015
4016 unless ($DB_ENV) {
4017 $DB_ENV = BDB::db_env_create;
4018 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
4019 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
4020 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
4021 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
4022 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
4023
4024 cf::sync_job {
4025 eval {
4026 BDB::db_env_open
4027 $DB_ENV,
4028 $BDBDIR,
4029 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
4030 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
4031 0666;
4032
4033 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
4034 };
4035
4036 cf::cleanup "db_env_open(db): $@" if $@;
4037 };
4038 }
4039
4040 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
4041 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
4042 };
4043 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
4044 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
4045 };
4046 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
4047 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
4048 };
4049}
4050
4051{
4052 # configure IO::AIO
4053
4054 IO::AIO::min_parallel 8;
4055 IO::AIO::max_poll_time $TICK * 0.1;
4056 undef $AnyEvent::AIO::WATCHER;
4057}
4058
4059my $_log_backtrace;
4060
4061sub _log_backtrace {
4062 my ($msg, @addr) = @_;
4063
4064 $msg =~ s/\n//;
4065
4066 # limit the # of concurrent backtraces
4067 if ($_log_backtrace < 2) {
4068 ++$_log_backtrace;
4069 my $perl_bt = Carp::longmess $msg;
4070 async {
4071 $Coro::current->{desc} = "abt $msg";
4072
4073 my @bt = fork_call {
4074 @addr = map { sprintf "%x", $_ } @addr;
4075 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
4076 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
4077 or die "addr2line: $!";
4078
4079 my @funcs;
4080 my @res = <$fh>;
4081 chomp for @res;
4082 while (@res) {
4083 my ($func, $line) = splice @res, 0, 2, ();
4084 push @funcs, "[$func] $line";
4085 }
4086
4087 @funcs
4088 };
4089
4090 LOG llevInfo, "[ABT] $perl_bt\n";
4091 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
4092 LOG llevInfo, "[ABT] $_\n" for @bt;
4093 --$_log_backtrace;
4094 };
4095 } else {
4096 LOG llevInfo, "[ABT] $msg\n";
4097 LOG llevInfo, "[ABT] [suppressed]\n";
4098 }
4099}
4100
4101# load additional modules
4102require "cf/$_.pm" for @EXTRA_MODULES;
4103cf::_connect_to_perl_2;
2549 4104
2550END { cf::emergency_save } 4105END { cf::emergency_save }
2551 4106
25521 41071
2553 4108

Diff Legend

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