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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
13use Coro 3.5 (); 37use Coro ();
38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
14use Coro::Event; 41use Coro::AnyEvent;
15use Coro::Timer; 42use Coro::Timer;
16use Coro::Signal; 43use Coro::Signal;
17use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
18use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
19 50
51use JSON::XS 2.01 ();
52use BDB ();
20use Data::Dumper; 53use Data::Dumper;
21use Digest::MD5; 54use Digest::MD5;
22use Fcntl; 55use Fcntl;
56use YAML ();
23use IO::AIO 2.32 (); 57use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 58use Time::HiRes;
59use Compress::LZF;
60use Digest::MD5 ();
26 61
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 62AnyEvent::detect;
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28 74
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 76
36our %COMMAND = (); 77our %COMMAND = ();
37our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
38 79
39our @EXTS = (); # list of extension package names 80our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 81our %EXTCMD = ();
82our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
43 85
86our $RELOAD; # number of reloads so far
44our @EVENT; 87our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 88
47our $TICK = MAX_TIME * 1e-6; 89our $CONFDIR = confdir;
48our $TICK_WATCHER; 90our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 91our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 92our $PODDIR = "$DATADIR/pod";
93our $MAPDIR = "$DATADIR/" . mapdir;
94our $LOCALDIR = localdir;
95our $TMPDIR = "$LOCALDIR/" . tmpdir;
96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98our $RANDOMDIR = "$LOCALDIR/random";
99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
104
105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 107our $NEXT_TICK;
52our $NOW; 108our $USE_FSYNC = 1; # use fsync to write maps - default off
109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
112our $BDB_TRICKLE_WATCHER;
113our $DB_ENV;
53 114
54our %CFG; 115our %CFG;
55 116
56our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 118our $RUNTIME;
119our $NOW;
58 120
59our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 123our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 124
67# used to convert map paths into valid unix filenames by replacing / by ∕ 125# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 127
128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
131our $TICK_START; # for load detecting purposes
132
70binmode STDOUT; 133binmode STDOUT;
71binmode STDERR; 134binmode STDERR;
72 135
73# read virtual server time, if available 136# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
75 open my $fh, "<", cf::localdir . "/runtime" 138 open my $fh, "<", $RUNTIMEFILE
76 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
77 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
78} 141}
79 142
80mkdir cf::localdir; 143mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 145
86our $EMERGENCY_POSITION; 146our $EMERGENCY_POSITION;
87 147
88sub cf::map::normalise; 148sub cf::map::normalise;
89 149
100=item $cf::RUNTIME 160=item $cf::RUNTIME
101 161
102The time this server has run, starts at 0 and is increased by $cf::TICK on 162The time this server has run, starts at 0 and is increased by $cf::TICK on
103every server tick. 163every server tick.
104 164
105=item $cf::LIBDIR 165=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
166$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
167$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106 168
107The perl library directory, where extensions and cf-specific modules can 169Various directories - "/etc", read-only install directory, perl-library
108be found. It will be added to C<@INC> automatically. 170directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171unique-items directory, player file directory, random maps directory and
172database environment.
109 173
110=item $cf::NOW 174=item $cf::NOW
111 175
112The time of the last (current) server tick. 176The time of the last (current) server tick.
113 177
114=item $cf::TICK 178=item $cf::TICK
115 179
116The interval between server ticks, in seconds. 180The interval between server ticks, in seconds.
117 181
182=item $cf::LOADAVG
183
184The current CPU load on the server (alpha-smoothed), as a value between 0
185(none) and 1 (overloaded), indicating how much time is spent on processing
186objects per tick. Healthy values are < 0.5.
187
188=item $cf::LOAD
189
190The raw value load value from the last tick.
191
118=item %cf::CFG 192=item %cf::CFG
119 193
120Configuration for the server, loaded from C</etc/crossfire/config>, or 194Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121from wherever your confdir points to. 195from wherever your confdir points to.
122 196
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 197=item cf::wait_for_tick, cf::wait_for_tick_begin
124 198
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 199These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 200returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 201per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick. 202
203=item @cf::INVOKE_RESULTS
204
205This array contains the results of the last C<invoke ()> call. When
206C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
207that call.
129 208
130=back 209=back
131 210
132=cut 211=cut
133 212
134BEGIN { 213BEGIN {
135 *CORE::GLOBAL::warn = sub { 214 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 215 my $msg = join "", @_;
137 utf8::encode $msg;
138 216
139 $msg .= "\n" 217 $msg .= "\n"
140 unless $msg =~ /\n$/; 218 unless $msg =~ /\n$/;
141 219
220 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
221
142 LOG llevError, $msg; 222 LOG llevError, $msg;
143 }; 223 };
144} 224}
225
226$Coro::State::DIEHOOK = sub {
227 return unless $^S eq 0; # "eq", not "=="
228
229 if ($Coro::current == $Coro::main) {#d#
230 warn "DIEHOOK called in main context, Coro bug?\n";#d#
231 return;#d#
232 }#d#
233
234 # kill coroutine otherwise
235 warn Carp::longmess $_[0];
236 Coro::terminate
237};
238
239$SIG{__DIE__} = sub { }; #d#?
145 240
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 241@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 242@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 243@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 244@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 245@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
246@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 247@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152 248
153# we bless all objects into (empty) derived classes to force a method lookup 249# we bless all objects into (empty) derived classes to force a method lookup
154# within the Safe compartment. 250# within the Safe compartment.
155for my $pkg (qw( 251for my $pkg (qw(
156 cf::global cf::attachable 252 cf::global cf::attachable
157 cf::object cf::object::player 253 cf::object cf::object::player
158 cf::client cf::player 254 cf::client cf::player
159 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
160 cf::map cf::party cf::region 257 cf::party cf::region
161)) { 258)) {
162 no strict 'refs';
163 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164} 260}
165 261
166$Event::DIED = sub { 262$EV::DIED = sub {
167 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
168}; 264};
265
266#############################################################################
169 267
170=head2 UTILITY FUNCTIONS 268=head2 UTILITY FUNCTIONS
171 269
172=over 4 270=over 4
173 271
192 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 290 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193 $d 291 $d
194 } || "[unable to dump $_[0]: '$@']"; 292 } || "[unable to dump $_[0]: '$@']";
195} 293}
196 294
197use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199=item $ref = cf::from_json $json 295=item $ref = cf::decode_json $json
200 296
201Converts a JSON string into the corresponding perl data structure. 297Converts a JSON string into the corresponding perl data structure.
202 298
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 299=item $json = cf::encode_json $ref
211 300
212Converts a perl data structure into its JSON representation. 301Converts a perl data structure into its JSON representation.
213 302
214=cut 303=cut
215 304
216sub to_json($) { 305our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 306
218 JSON::Syck::Dump $_[0] 307sub encode_json($) { $json_coder->encode ($_[0]) }
219} 308sub decode_json($) { $json_coder->decode ($_[0]) }
220 309
221=item cf::lock_wait $string 310=item cf::lock_wait $string
222 311
223Wait until the given lock is available. See cf::lock_acquire. 312Wait until the given lock is available. See cf::lock_acquire.
224 313
227Wait until the given lock is available and then acquires it and returns 316Wait until the given lock is available and then acquires it and returns
228a Coro::guard object. If the guard object gets destroyed (goes out of scope, 317a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 318for example when the coroutine gets canceled), the lock is automatically
230returned. 319returned.
231 320
321Locks are *not* recursive, locking from the same coro twice results in a
322deadlocked coro.
323
232Lock names should begin with a unique identifier (for example, cf::map::find 324Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 325uses map_find and cf::map::load uses map_load).
234 326
327=item $locked = cf::lock_active $string
328
329Return true if the lock is currently active, i.e. somebody has locked it.
330
235=cut 331=cut
236 332
237our %LOCK; 333our %LOCK;
334our %LOCKER;#d#
238 335
239sub lock_wait($) { 336sub lock_wait($) {
240 my ($key) = @_; 337 my ($key) = @_;
338
339 if ($LOCKER{$key} == $Coro::current) {#d#
340 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341 return;#d#
342 }#d#
241 343
242 # wait for lock, if any 344 # wait for lock, if any
243 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 346 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 347 Coro::schedule;
251 353
252 # wait, to be sure we are not locked 354 # wait, to be sure we are not locked
253 lock_wait $key; 355 lock_wait $key;
254 356
255 $LOCK{$key} = []; 357 $LOCK{$key} = [];
358 $LOCKER{$key} = $Coro::current;#d#
256 359
257 Coro::guard { 360 Coro::guard {
361 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 362 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 363 $_->ready for @{ delete $LOCK{$key} };
260 } 364 }
261} 365}
262 366
367sub lock_active($) {
368 my ($key) = @_;
369
370 ! ! $LOCK{$key}
371}
372
263sub freeze_mainloop { 373sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 374 tick_inhibit_inc;
265 375
266 my $guard = Coro::guard { 376 Coro::guard \&tick_inhibit_dec;
267 $TICK_WATCHER->start; 377}
268 $WRITE_RUNTIME_WATCHER->start; 378
379=item cf::periodic $interval, $cb
380
381Like EV::periodic, but randomly selects a starting point so that the actions
382get spread over timer.
383
384=cut
385
386sub periodic($$) {
387 my ($interval, $cb) = @_;
388
389 my $start = rand List::Util::min 180, $interval;
390
391 EV::periodic $start, $interval, 0, $cb
392}
393
394=item cf::get_slot $time[, $priority[, $name]]
395
396Allocate $time seconds of blocking CPU time at priority C<$priority>:
397This call blocks and returns only when you have at least C<$time> seconds
398of cpu time till the next tick. The slot is only valid till the next cede.
399
400The optional C<$name> can be used to identify the job to run. It might be
401used for statistical purposes and should identify the same time-class.
402
403Useful for short background jobs.
404
405=cut
406
407our @SLOT_QUEUE;
408our $SLOT_QUEUE;
409
410$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411$SLOT_QUEUE = Coro::async {
412 $Coro::current->desc ("timeslot manager");
413
414 my $signal = new Coro::Signal;
415
416 while () {
417 next_job:
418 my $avail = cf::till_tick;
419 if ($avail > 0.01) {
420 for (0 .. $#SLOT_QUEUE) {
421 if ($SLOT_QUEUE[$_][0] < $avail) {
422 my $job = splice @SLOT_QUEUE, $_, 1, ();
423 $job->[2]->send;
424 Coro::cede;
425 goto next_job;
426 }
427 }
428 }
429
430 if (@SLOT_QUEUE) {
431 # we do not use wait_for_tick() as it returns immediately when tick is inactive
432 push @cf::WAIT_FOR_TICK, $signal;
433 $signal->wait;
434 } else {
435 Coro::schedule;
436 }
269 }; 437 }
270 $WRITE_RUNTIME_WATCHER->stop; 438};
271 $TICK_WATCHER->stop; 439
272 $guard 440sub get_slot($;$$) {
441 return if tick_inhibit || $Coro::current == $Coro::main;
442
443 my ($time, $pri, $name) = @_;
444
445 $time = $TICK * .6 if $time > $TICK * .6;
446 my $sig = new Coro::Signal;
447
448 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450 $SLOT_QUEUE->ready;
451 $sig->wait;
273} 452}
274 453
275=item cf::async { BLOCK } 454=item cf::async { BLOCK }
276 455
277Currently the same as Coro::async_pool, meaning you cannot use 456Currently the same as Coro::async_pool, meaning you cannot use
282 461
283BEGIN { *async = \&Coro::async_pool } 462BEGIN { *async = \&Coro::async_pool }
284 463
285=item cf::sync_job { BLOCK } 464=item cf::sync_job { BLOCK }
286 465
287The design of crossfire+ requires that the main coro ($Coro::main) is 466The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 467is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 468partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
469acceptable.
290 470
291If it must be done, put the blocking parts into C<sync_job>. This will run 471If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 472the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 473server will be frozen during this time, so the block should either finish
294fast or be very important. 474fast or be very important.
297 477
298sub sync_job(&) { 478sub sync_job(&) {
299 my ($job) = @_; 479 my ($job) = @_;
300 480
301 if ($Coro::current == $Coro::main) { 481 if ($Coro::current == $Coro::main) {
482 my $time = EV::time;
483
302 # this is the main coro, too bad, we have to block 484 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 485 # till the operation succeeds, freezing the server :/
304 486
305 # TODO: use suspend/resume instead 487 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 488
307 my $freeze_guard = freeze_mainloop; 489 my $freeze_guard = freeze_mainloop;
308 490
309 my $busy = 1; 491 my $busy = 1;
310 my @res; 492 my @res;
311 493
312 (async { 494 (async {
495 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 496 @res = eval { $job->() };
314 warn $@ if $@; 497 warn $@ if $@;
315 undef $busy; 498 undef $busy;
316 })->prio (Coro::PRIO_MAX); 499 })->prio (Coro::PRIO_MAX);
317 500
318 while ($busy) { 501 while ($busy) {
319 Coro::cede or Event::one_event; 502 if (Coro::nready) {
503 Coro::cede_notself;
504 } else {
505 EV::loop EV::LOOP_ONESHOT;
320 } 506 }
507 }
508
509 my $time = EV::time - $time;
510
511 $TICK_START += $time; # do not account sync jobs to server load
321 512
322 wantarray ? @res : $res[0] 513 wantarray ? @res : $res[0]
323 } else { 514 } else {
324 # we are in another coroutine, how wonderful, everything just works 515 # we are in another coroutine, how wonderful, everything just works
325 516
345 $EXT_CORO{$coro+0} = $coro; 536 $EXT_CORO{$coro+0} = $coro;
346 537
347 $coro 538 $coro
348} 539}
349 540
350sub write_runtime { 541=item fork_call { }, $args
351 my $runtime = cf::localdir . "/runtime";
352 542
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 543Executes the given code block with the given arguments in a seperate
354 or return; 544process, returning the results. Everything must be serialisable with
545Coro::Storable. May, of course, block. Note that the executed sub may
546never block itself or use any form of event handling.
355 547
356 my $value = $cf::RUNTIME + 90 + 10; 548=cut
357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359 549
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 550sub fork_call(&@) {
361 and return; 551 my ($cb, @args) = @_;
362 552
363 aio_fsync $fh 553 # we seemingly have to make a local copy of the whole thing,
364 and return; 554 # otherwise perl prematurely frees the stuff :/
555 # TODO: investigate and fix (likely this will be rather laborious)
365 556
366 close $fh 557 my @res = Coro::Util::fork_eval {
367 or return; 558 reset_signals;
559 &$cb
560 }, @args;
368 561
369 aio_rename "$runtime~", $runtime 562 wantarray ? @res : $res[-1]
370 and return; 563}
371 564
565=item $coin = coin_from_name $name
566
567=cut
568
569our %coin_alias = (
570 "silver" => "silvercoin",
571 "silvercoin" => "silvercoin",
572 "silvercoins" => "silvercoin",
573 "gold" => "goldcoin",
574 "goldcoin" => "goldcoin",
575 "goldcoins" => "goldcoin",
576 "platinum" => "platinacoin",
577 "platinumcoin" => "platinacoin",
578 "platinumcoins" => "platinacoin",
579 "platina" => "platinacoin",
580 "platinacoin" => "platinacoin",
581 "platinacoins" => "platinacoin",
582 "royalty" => "royalty",
583 "royalties" => "royalty",
584);
585
586sub coin_from_name($) {
587 $coin_alias{$_[0]}
588 ? cf::arch::find $coin_alias{$_[0]}
589 : undef
590}
591
592=item $value = cf::db_get $family => $key
593
594Returns a single value from the environment database.
595
596=item cf::db_put $family => $key => $value
597
598Stores the given C<$value> in the family. It can currently store binary
599data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
600
601=item $db = cf::db_table "name"
602
603Create and/or open a new database table. The string must not be "db" and must be unique
604within each server.
605
606=cut
607
608sub db_table($) {
609 my ($name) = @_;
610 my $db = BDB::db_create $DB_ENV;
611
612 eval {
613 $db->set_flags (BDB::CHKSUM);
614
615 utf8::encode $name;
616 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
617 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
618 cf::cleanup "db_open(db): $!" if $!;
619 };
620 cf::cleanup "db_open(db): $@" if $@;
621
622 $db
623}
624
625our $DB;
626
627sub db_init {
628 cf::sync_job {
629 $DB ||= db_table "db";
630 };
631}
632
633sub db_get($$) {
634 my $key = "$_[0]/$_[1]";
635
636 cf::sync_job {
637 BDB::db_get $DB, undef, $key, my $data;
638
639 $! ? ()
640 : $data
372 1 641 }
642}
643
644sub db_put($$$) {
645 BDB::dbreq_pri 4;
646 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
647}
648
649=item cf::cache $id => [$paths...], $processversion => $process
650
651Generic caching function that returns the value of the resource $id,
652caching and regenerating as required.
653
654This function can block.
655
656=cut
657
658sub cache {
659 my ($id, $src, $processversion, $process) = @_;
660
661 my $meta =
662 join "\x00",
663 $processversion,
664 map {
665 aio_stat $_
666 and Carp::croak "$_: $!";
667
668 ($_, (stat _)[7,9])
669 } @$src;
670
671 my $dbmeta = db_get cache => "$id/meta";
672 if ($dbmeta ne $meta) {
673 # changed, we may need to process
674
675 my @data;
676 my $md5;
677
678 for (0 .. $#$src) {
679 0 <= aio_load $src->[$_], $data[$_]
680 or Carp::croak "$src->[$_]: $!";
681 }
682
683 # if processing is expensive, check
684 # checksum first
685 if (1) {
686 $md5 =
687 join "\x00",
688 $processversion,
689 map {
690 cf::cede_to_tick;
691 ($src->[$_], Digest::MD5::md5_hex $data[$_])
692 } 0.. $#$src;
693
694
695 my $dbmd5 = db_get cache => "$id/md5";
696 if ($dbmd5 eq $md5) {
697 db_put cache => "$id/meta", $meta;
698
699 return db_get cache => "$id/data";
700 }
701 }
702
703 my $t1 = Time::HiRes::time;
704 my $data = $process->(\@data);
705 my $t2 = Time::HiRes::time;
706
707 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
708
709 db_put cache => "$id/data", $data;
710 db_put cache => "$id/md5" , $md5;
711 db_put cache => "$id/meta", $meta;
712
713 return $data;
714 }
715
716 db_get cache => "$id/data"
717}
718
719=item cf::datalog type => key => value, ...
720
721Log a datalog packet of the given type with the given key-value pairs.
722
723=cut
724
725sub datalog($@) {
726 my ($type, %kv) = @_;
727 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 728}
374 729
375=back 730=back
376 731
377=cut 732=cut
378 733
379############################################################################# 734#############################################################################
380 735
381=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
382 737
383Many objects in crossfire are so-called attachable objects. That means you can 738Many objects in deliantra are so-called attachable objects. That means you can
384attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
385to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
386 741
387In the following description, CLASS can be any of C<global>, C<object> 742In the following description, CLASS can be any of C<global>, C<object>
388C<player>, C<client> or C<map> (i.e. the attachable objects in 743C<player>, C<client> or C<map> (i.e. the attachable objects in
389crossfire+). 744Deliantra).
390 745
391=over 4 746=over 4
392 747
393=item $attachable->attach ($attachment, key => $value...) 748=item $attachable->attach ($attachment, key => $value...)
394 749
438=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
439 794
440Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
441given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
442 797
443Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
444that are attached at load/instantiate time, thus the need for a name. 799that are attached at load/instantiate time, thus the need for a name.
445 800
446These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
447 802
448=over 4 803=over 4
557 $registry = $CB_TYPE[$object_type] ||= []; 912 $registry = $CB_TYPE[$object_type] ||= [];
558 913
559 } elsif ($type eq "subtype") { 914 } elsif ($type eq "subtype") {
560 defined $object_type or Carp::croak "subtype specified without type"; 915 defined $object_type or Carp::croak "subtype specified without type";
561 my $object_subtype = shift @arg; 916 my $object_subtype = shift @arg;
562 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 917 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563 918
564 } elsif ($type eq "package") { 919 } elsif ($type eq "package") {
565 my $pkg = shift @arg; 920 my $pkg = shift @arg;
566 921
567 while (my ($name, $id) = each %cb_id) { 922 while (my ($name, $id) = each %cb_id) {
596 _attach $registry, $klass, @attach; 951 _attach $registry, $klass, @attach;
597 } 952 }
598 953
599 $obj->{$name} = \%arg; 954 $obj->{$name} = \%arg;
600 } else { 955 } else {
601 warn "object uses attachment '$name' that is not available, postponing.\n"; 956 warn "object uses attachment '$name' which is not available, postponing.\n";
602 } 957 }
603 958
604 $obj->{_attachment}{$name} = undef; 959 $obj->{_attachment}{$name} = undef;
605} 960}
606 961
608 if (ref $_[0]) { 963 if (ref $_[0]) {
609 _object_attach @_; 964 _object_attach @_;
610 } else { 965 } else {
611 _attach shift->_attach_registry, @_; 966 _attach shift->_attach_registry, @_;
612 } 967 }
968 _recalc_want;
613}; 969};
614 970
615# all those should be optimised 971# all those should be optimised
616sub cf::attachable::detach { 972sub cf::attachable::detach {
617 my ($obj, $name) = @_; 973 my ($obj, $name) = @_;
620 delete $obj->{_attachment}{$name}; 976 delete $obj->{_attachment}{$name};
621 reattach ($obj); 977 reattach ($obj);
622 } else { 978 } else {
623 Carp::croak "cannot, currently, detach class attachments"; 979 Carp::croak "cannot, currently, detach class attachments";
624 } 980 }
981 _recalc_want;
625}; 982};
626 983
627sub cf::attachable::attached { 984sub cf::attachable::attached {
628 my ($obj, $name) = @_; 985 my ($obj, $name) = @_;
629 986
644 "; 1001 ";
645 die if $@; 1002 die if $@;
646} 1003}
647 1004
648our $override; 1005our $override;
649our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1006our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650 1007
651sub override { 1008sub override {
652 $override = 1; 1009 $override = 1;
653 @invoke_results = (); 1010 @INVOKE_RESULTS = (@_);
654} 1011}
655 1012
656sub do_invoke { 1013sub do_invoke {
657 my $event = shift; 1014 my $event = shift;
658 my $callbacks = shift; 1015 my $callbacks = shift;
659 1016
660 @invoke_results = (); 1017 @INVOKE_RESULTS = ();
661 1018
662 local $override; 1019 local $override;
663 1020
664 for (@$callbacks) { 1021 for (@$callbacks) {
665 eval { &{$_->[1]} }; 1022 eval { &{$_->[1]} };
674 } 1031 }
675 1032
676 0 1033 0
677} 1034}
678 1035
679=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680 1037
681=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682 1039
683Generate an object-specific event with the given arguments. 1040Generate an object-specific event with the given arguments.
684 1041
685This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1042This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686removed in future versions), and there is no public API to access override 1043removed in future versions), and there is no public API to access override
687results (if you must, access C<@cf::invoke_results> directly). 1044results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688 1045
689=back 1046=back
690 1047
691=cut 1048=cut
692 1049
693############################################################################# 1050#############################################################################
694# object support 1051# object support
1052
1053sub _object_equal($$);
1054sub _object_equal($$) {
1055 my ($a, $b) = @_;
1056
1057 return 0 unless (ref $a) eq (ref $b);
1058
1059 if ("HASH" eq ref $a) {
1060 my @ka = keys %$a;
1061 my @kb = keys %$b;
1062
1063 return 0 if @ka != @kb;
1064
1065 for (0 .. $#ka) {
1066 return 0 unless $ka[$_] eq $kb[$_];
1067 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1068 }
1069
1070 } elsif ("ARRAY" eq ref $a) {
1071
1072 return 0 if @$a != @$b;
1073
1074 for (0 .. $#$a) {
1075 return 0 unless _object_equal $a->[$_], $b->[$_];
1076 }
1077
1078 } elsif ($a ne $b) {
1079 return 0;
1080 }
1081
1082 1
1083}
1084
1085our $SLOW_MERGES;#d#
1086sub _can_merge {
1087 my ($ob1, $ob2) = @_;
1088
1089 ++$SLOW_MERGES;#d#
1090
1091 # we do the slow way here
1092 return _object_equal $ob1, $ob2
1093}
695 1094
696sub reattach { 1095sub reattach {
697 # basically do the same as instantiate, without calling instantiate 1096 # basically do the same as instantiate, without calling instantiate
698 my ($obj) = @_; 1097 my ($obj) = @_;
699 1098
1099 # no longer needed after getting rid of delete_package?
700 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1100 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701 1101
702 my $registry = $obj->registry; 1102 my $registry = $obj->registry;
703 1103
704 @$registry = (); 1104 @$registry = ();
705 1105
720cf::attachable->attach ( 1120cf::attachable->attach (
721 prio => -1000000, 1121 prio => -1000000,
722 on_instantiate => sub { 1122 on_instantiate => sub {
723 my ($obj, $data) = @_; 1123 my ($obj, $data) = @_;
724 1124
725 $data = from_json $data; 1125 $data = decode_json $data;
726 1126
727 for (@$data) { 1127 for (@$data) {
728 my ($name, $args) = @$_; 1128 my ($name, $args) = @$_;
729 1129
730 $obj->attach ($name, %{$args || {} }); 1130 $obj->attach ($name, %{$args || {} });
746sub object_freezer_save { 1146sub object_freezer_save {
747 my ($filename, $rdata, $objs) = @_; 1147 my ($filename, $rdata, $objs) = @_;
748 1148
749 sync_job { 1149 sync_job {
750 if (length $$rdata) { 1150 if (length $$rdata) {
1151 utf8::decode (my $decname = $filename);
751 warn sprintf "saving %s (%d,%d)\n", 1152 warn sprintf "saving %s (%d,%d)\n",
752 $filename, length $$rdata, scalar @$objs; 1153 $decname, length $$rdata, scalar @$objs;
753 1154
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1157 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 1158 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 1159 aio_close $fh;
759 1160
760 if (@$objs) { 1161 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1162 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 1163 aio_chmod $fh, SAVE_MODE;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1164 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 1165 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 1166 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 1167 aio_close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 1168 aio_rename "$filename.pst~", "$filename.pst";
768 } 1169 }
769 } else { 1170 } else {
770 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
771 } 1172 }
776 } 1177 }
777 } else { 1178 } else {
778 aio_unlink $filename; 1179 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 1180 aio_unlink "$filename.pst";
780 } 1181 }
781
782 #d##TODO# nuke non .map-files if exist
783 if ($filename =~ s/\.map$//) {
784 aio_unlink $filename;
785 aio_unlink "$filename.pst";
786 }
787 } 1182 };
788} 1183}
789 1184
790sub object_freezer_as_string { 1185sub object_freezer_as_string {
791 my ($rdata, $objs) = @_; 1186 my ($rdata, $objs) = @_;
792 1187
797 1192
798sub object_thawer_load { 1193sub object_thawer_load {
799 my ($filename) = @_; 1194 my ($filename) = @_;
800 1195
801 my ($data, $av); 1196 my ($data, $av);
802
803 #d#TODO remove .map if file does not exist
804 aio_stat $filename and $filename =~ s/\.map$//;
805 1197
806 (aio_load $filename, $data) >= 0 1198 (aio_load $filename, $data) >= 0
807 or return; 1199 or return;
808 1200
809 unless (aio_stat "$filename.pst") { 1201 unless (aio_stat "$filename.pst") {
810 (aio_load "$filename.pst", $av) >= 0 1202 (aio_load "$filename.pst", $av) >= 0
811 or return; 1203 or return;
1204
812 $av = eval { (Storable::thaw $av)->{objs} }; 1205 my $st = eval { Coro::Storable::thaw $av };
1206 $av = $st->{objs};
813 } 1207 }
814 1208
1209 utf8::decode (my $decname = $filename);
815 warn sprintf "loading %s (%d)\n", 1210 warn sprintf "loading %s (%d,%d)\n",
816 $filename, length $data, scalar @{$av || []};#d# 1211 $decname, length $data, scalar @{$av || []};
1212
817 return ($data, $av); 1213 ($data, $av)
818} 1214}
1215
1216=head2 COMMAND CALLBACKS
1217
1218=over 4
1219
1220=cut
819 1221
820############################################################################# 1222#############################################################################
821# command handling &c 1223# command handling &c
822 1224
823=item cf::register_command $name => \&callback($ob,$args); 1225=item cf::register_command $name => \&callback($ob,$args);
836 push @{ $COMMAND{$name} }, [$caller, $cb]; 1238 push @{ $COMMAND{$name} }, [$caller, $cb];
837} 1239}
838 1240
839=item cf::register_extcmd $name => \&callback($pl,$packet); 1241=item cf::register_extcmd $name => \&callback($pl,$packet);
840 1242
841Register a callbackf ro execution when the client sends an extcmd packet. 1243Register a callback for execution when the client sends an (synchronous)
1244extcmd packet. Ext commands will be processed in the order they are
1245received by the server, like other user commands. The first argument is
1246the logged-in player. Ext commands can only be processed after a player
1247has logged in successfully.
842 1248
843If the callback returns something, it is sent back as if reply was being 1249If the callback returns something, it is sent back as if reply was being
844called. 1250called.
845 1251
1252=item cf::register_exticmd $name => \&callback($ns,$packet);
1253
1254Register a callback for execution when the client sends an (asynchronous)
1255exticmd packet. Exti commands are processed by the server as soon as they
1256are received, i.e. out of order w.r.t. other commands. The first argument
1257is a client socket. Exti commands can be received anytime, even before
1258log-in.
1259
1260If the callback returns something, it is sent back as if reply was being
1261called.
1262
846=cut 1263=cut
847 1264
848sub register_extcmd { 1265sub register_extcmd {
849 my ($name, $cb) = @_; 1266 my ($name, $cb) = @_;
850 1267
851 $EXTCMD{$name} = $cb; 1268 $EXTCMD{$name} = $cb;
1269}
1270
1271sub register_exticmd {
1272 my ($name, $cb) = @_;
1273
1274 $EXTICMD{$name} = $cb;
852} 1275}
853 1276
854cf::player->attach ( 1277cf::player->attach (
855 on_command => sub { 1278 on_command => sub {
856 my ($pl, $name, $params) = @_; 1279 my ($pl, $name, $params) = @_;
865 cf::override; 1288 cf::override;
866 }, 1289 },
867 on_extcmd => sub { 1290 on_extcmd => sub {
868 my ($pl, $buf) = @_; 1291 my ($pl, $buf) = @_;
869 1292
870 my $msg = eval { from_json $buf }; 1293 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871 1294
872 if (ref $msg) { 1295 if (ref $msg) {
1296 my ($type, $reply, @payload) =
1297 "ARRAY" eq ref $msg
1298 ? @$msg
1299 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300
1301 my @reply;
1302
873 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1303 if (my $cb = $EXTCMD{$type}) {
874 if (my %reply = $cb->($pl, $msg)) { 1304 @reply = $cb->($pl, @payload);
875 $pl->ext_reply ($msg->{msgid}, %reply);
876 }
877 } 1305 }
1306
1307 $pl->ext_reply ($reply, @reply)
1308 if $reply;
1309
878 } else { 1310 } else {
879 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1311 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880 } 1312 }
881 1313
882 cf::override; 1314 cf::override;
883 }, 1315 },
884); 1316);
885 1317
886sub load_extension {
887 my ($path) = @_;
888
889 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
890 my $base = $1;
891 my $pkg = $1;
892 $pkg =~ s/[^[:word:]]/_/g;
893 $pkg = "ext::$pkg";
894
895 warn "... loading '$path' into '$pkg'\n";
896
897 open my $fh, "<:utf8", $path
898 or die "$path: $!";
899
900 my $source =
901 "package $pkg; use strict; use utf8;\n"
902 . "#line 1 \"$path\"\n{\n"
903 . (do { local $/; <$fh> })
904 . "\n};\n1";
905
906 unless (eval $source) {
907 my $msg = $@ ? "$path: $@\n"
908 : "extension disabled.\n";
909 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910 warn $@;
911 warn "mandatory extension failed to load, exiting.\n";
912 exit 1;
913 }
914 die $@;
915 }
916
917 push @EXTS, $pkg;
918}
919
920sub load_extensions { 1318sub load_extensions {
1319 cf::sync_job {
1320 my %todo;
1321
921 for my $ext (<$LIBDIR/*.ext>) { 1322 for my $path (<$LIBDIR/*.ext>) {
922 next unless -r $ext; 1323 next unless -r $path;
923 eval { 1324
924 load_extension $ext; 1325 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1326 my $base = $1;
1327 my $pkg = $1;
1328 $pkg =~ s/[^[:word:]]/_/g;
1329 $pkg = "ext::$pkg";
1330
1331 open my $fh, "<:utf8", $path
1332 or die "$path: $!";
1333
1334 my $source = do { local $/; <$fh> };
1335
1336 my %ext = (
1337 path => $path,
1338 base => $base,
1339 pkg => $pkg,
1340 );
1341
1342 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344
1345 $ext{source} =
1346 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1347 . "#line 1 \"$path\"\n{\n"
1348 . $source
1349 . "\n};\n1";
1350
1351 $todo{$base} = \%ext;
1352 }
1353
1354 my %done;
1355 while (%todo) {
1356 my $progress;
1357
1358 while (my ($k, $v) = each %todo) {
1359 for (split /,\s*/, $v->{meta}{depends}) {
1360 goto skip
1361 unless exists $done{$_};
1362 }
1363
1364 warn "... loading '$k' into '$v->{pkg}'\n";
1365
1366 unless (eval $v->{source}) {
1367 my $msg = $@ ? "$v->{path}: $@\n"
1368 : "$v->{base}: extension inactive.\n";
1369
1370 if (exists $v->{meta}{mandatory}) {
1371 warn $msg;
1372 cf::cleanup "mandatory extension failed to load, exiting.";
1373 }
1374
1375 warn $msg;
1376 }
1377
1378 $done{$k} = delete $todo{$k};
1379 push @EXTS, $v->{pkg};
1380 $progress = 1;
925 1 1381 }
926 } or warn "$ext not loaded: $@"; 1382
1383 skip:
1384 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1385 unless $progress;
1386 }
927 } 1387 };
928} 1388}
929 1389
930############################################################################# 1390#############################################################################
931 1391
1392=back
1393
932=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
933 1395
934Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
935 1397
936=cut 1398=cut
937 1399
938package cf::player; 1400package cf::player;
939 1401
941 1403
942=head3 cf::player 1404=head3 cf::player
943 1405
944=over 4 1406=over 4
945 1407
1408=item cf::player::num_playing
1409
1410Returns the official number of playing players, as per the Crossfire metaserver rules.
1411
1412=cut
1413
1414sub num_playing {
1415 scalar grep
1416 $_->ob->map
1417 && !$_->hidden
1418 && !$_->ob->flag (cf::FLAG_WIZ),
1419 cf::player::list
1420}
1421
946=item cf::player::find $login 1422=item cf::player::find $login
947 1423
948Returns the given player object, loading it if necessary (might block). 1424Returns the given player object, loading it if necessary (might block).
949 1425
950=cut 1426=cut
951 1427
952sub playerdir($) { 1428sub playerdir($) {
953 cf::localdir 1429 "$PLAYERDIR/"
954 . "/"
955 . cf::playerdir
956 . "/"
957 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1430 . (ref $_[0] ? $_[0]->ob->name : $_[0])
958} 1431}
959 1432
960sub path($) { 1433sub path($) {
961 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1434 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962 1435
963 (playerdir $login) . "/$login.pl" 1436 (playerdir $login) . "/playerdata"
964} 1437}
965 1438
966sub find_active($) { 1439sub find_active($) {
967 $cf::PLAYER{$_[0]} 1440 $cf::PLAYER{$_[0]}
968 and $cf::PLAYER{$_[0]}->active 1441 and $cf::PLAYER{$_[0]}->active
981 my $login = $_[0]; 1454 my $login = $_[0];
982 1455
983 my $guard = cf::lock_acquire "user_find:$login"; 1456 my $guard = cf::lock_acquire "user_find:$login";
984 1457
985 $cf::PLAYER{$_[0]} || do { 1458 $cf::PLAYER{$_[0]} || do {
986 my $pl = load_pl path $login 1459 # rename old playerfiles to new ones
1460 #TODO: remove when no longer required
1461 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1462 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1463 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1464 aio_unlink +(playerdir $login) . "/$login.pl";
1465
1466 my $f = new_from_file cf::object::thawer path $login
987 or return; 1467 or return;
1468
1469 my $pl = cf::player::load_pl $f
1470 or return;
1471
1472 local $cf::PLAYER_LOADING{$login} = $pl;
1473 $f->resolve_delayed_derefs;
988 $cf::PLAYER{$login} = $pl 1474 $cf::PLAYER{$login} = $pl
989 } 1475 }
990 } 1476 }
991} 1477}
992 1478
1001 return if $pl->{deny_save}; 1487 return if $pl->{deny_save};
1002 1488
1003 aio_mkdir playerdir $pl, 0770; 1489 aio_mkdir playerdir $pl, 0770;
1004 $pl->{last_save} = $cf::RUNTIME; 1490 $pl->{last_save} = $cf::RUNTIME;
1005 1491
1492 cf::get_slot 0.01;
1493
1006 $pl->save_pl ($path); 1494 $pl->save_pl ($path);
1007 Coro::cede; 1495 cf::cede_to_tick;
1008} 1496}
1009 1497
1010sub new($) { 1498sub new($) {
1011 my ($login) = @_; 1499 my ($login) = @_;
1012 1500
1018 $cf::PLAYER{$login} = $self; 1506 $cf::PLAYER{$login} = $self;
1019 1507
1020 $self 1508 $self
1021} 1509}
1022 1510
1511=item $player->send_msg ($channel, $msg, $color, [extra...])
1512
1513=cut
1514
1515sub send_msg {
1516 my $ns = shift->ns
1517 or return;
1518 $ns->send_msg (@_);
1519}
1520
1023=item $pl->quit_character 1521=item $pl->quit_character
1024 1522
1025Nukes the player without looking back. If logged in, the connection will 1523Nukes the player without looking back. If logged in, the connection will
1026be destroyed. May block for a long time. 1524be destroyed. May block for a long time.
1027 1525
1028=cut 1526=cut
1029 1527
1030sub quit_character { 1528sub quit_character {
1031 my ($pl) = @_; 1529 my ($pl) = @_;
1032 1530
1531 my $name = $pl->ob->name;
1532
1033 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1034 $pl->password ("*"); # this should lock out the player until we nuked the dir 1534 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1035 1535
1036 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037 $pl->deactivate; 1537 $pl->deactivate;
1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1539 $pl->ob->check_score;
1038 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1540 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1039 $pl->ns->destroy if $pl->ns; 1541 $pl->ns->destroy if $pl->ns;
1040 1542
1041 my $path = playerdir $pl; 1543 my $path = playerdir $pl;
1042 my $temp = "$path~$cf::RUNTIME~deleting~"; 1544 my $temp = "$path~$cf::RUNTIME~deleting~";
1043 aio_rename $path, $temp; 1545 aio_rename $path, $temp;
1044 delete $cf::PLAYER{$pl->ob->name}; 1546 delete $cf::PLAYER{$pl->ob->name};
1045 $pl->destroy; 1547 $pl->destroy;
1548
1549 my $prefix = qr<^~\Q$name\E/>;
1550
1551 # nuke player maps
1552 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1553
1046 IO::AIO::aio_rmtree $temp; 1554 IO::AIO::aio_rmtree $temp;
1555}
1556
1557=item $pl->kick
1558
1559Kicks a player out of the game. This destroys the connection.
1560
1561=cut
1562
1563sub kick {
1564 my ($pl, $kicker) = @_;
1565
1566 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1567 $pl->killer ("kicked");
1568 $pl->ns->destroy;
1047} 1569}
1048 1570
1049=item cf::player::list_logins 1571=item cf::player::list_logins
1050 1572
1051Returns am arrayref of all valid playernames in the system, can take a 1573Returns am arrayref of all valid playernames in the system, can take a
1052while and may block, so not sync_job-capable, ever. 1574while and may block, so not sync_job-capable, ever.
1053 1575
1054=cut 1576=cut
1055 1577
1056sub list_logins { 1578sub list_logins {
1057 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1579 my $dirs = aio_readdir $PLAYERDIR
1058 or return []; 1580 or return [];
1059 1581
1060 my @logins; 1582 my @logins;
1061 1583
1062 for my $login (@$dirs) { 1584 for my $login (@$dirs) {
1585 my $path = path $login;
1586
1587 # a .pst is a dead give-away for a valid player
1588 # if no pst file found, open and chekc for blocked users
1589 if (aio_stat "$path.pst") {
1063 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1590 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064 aio_read $fh, 0, 512, my $buf, 0 or next; 1591 aio_read $fh, 0, 512, my $buf, 0 or next;
1065 $buf !~ /^password -------------$/m or next; # official not-valid tag 1592 $buf !~ /^password -------------$/m or next; # official not-valid tag
1593 }
1066 1594
1067 utf8::decode $login; 1595 utf8::decode $login;
1068 push @logins, $login; 1596 push @logins, $login;
1069 } 1597 }
1070 1598
1078 1606
1079=cut 1607=cut
1080 1608
1081sub maps($) { 1609sub maps($) {
1082 my ($pl) = @_; 1610 my ($pl) = @_;
1611
1612 $pl = ref $pl ? $pl->ob->name : $pl;
1083 1613
1084 my $files = aio_readdir playerdir $pl 1614 my $files = aio_readdir playerdir $pl
1085 or return; 1615 or return;
1086 1616
1087 my @paths; 1617 my @paths;
1089 for (@$files) { 1619 for (@$files) {
1090 utf8::decode $_; 1620 utf8::decode $_;
1091 next if /\.(?:pl|pst)$/; 1621 next if /\.(?:pl|pst)$/;
1092 next unless /^$PATH_SEP/o; 1622 next unless /^$PATH_SEP/o;
1093 1623
1094 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1624 push @paths, cf::map::normalise "~$pl/$_";
1095 } 1625 }
1096 1626
1097 \@paths 1627 \@paths
1098} 1628}
1099 1629
1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631
1632Expand deliantra pod fragments into protocol xml.
1633
1100=item $player->ext_reply ($msgid, $msgtype, %msg) 1634=item $player->ext_reply ($msgid, @msg)
1101 1635
1102Sends an ext reply to the player. 1636Sends an ext reply to the player.
1103 1637
1104=cut 1638=cut
1105 1639
1106sub ext_reply($$$%) { 1640sub ext_reply($$@) {
1107 my ($self, $id, %msg) = @_; 1641 my ($self, $id, @msg) = @_;
1108 1642
1109 $msg{msgid} = $id; 1643 $self->ns->ext_reply ($id, @msg)
1110
1111 $self->send ("ext " . cf::to_json \%msg);
1112} 1644}
1113 1645
1114package cf; 1646=item $player->ext_msg ($type, @msg)
1647
1648Sends an ext event to the client.
1649
1650=cut
1651
1652sub ext_msg($$@) {
1653 my ($self, $type, @msg) = @_;
1654
1655 $self->ns->ext_msg ($type, @msg);
1656}
1657
1658=head3 cf::region
1659
1660=over 4
1661
1662=cut
1663
1664package cf::region;
1665
1666=item cf::region::find_by_path $path
1667
1668Tries to decuce the likely region for a map knowing only its path.
1669
1670=cut
1671
1672sub find_by_path($) {
1673 my ($path) = @_;
1674
1675 my ($match, $specificity);
1676
1677 for my $region (list) {
1678 if ($region->{match} && $path =~ $region->{match}) {
1679 ($match, $specificity) = ($region, $region->specificity)
1680 if $region->specificity > $specificity;
1681 }
1682 }
1683
1684 $match
1685}
1115 1686
1116=back 1687=back
1117
1118 1688
1119=head3 cf::map 1689=head3 cf::map
1120 1690
1121=over 4 1691=over 4
1122 1692
1134our $MAX_RESET = 3600; 1704our $MAX_RESET = 3600;
1135our $DEFAULT_RESET = 3000; 1705our $DEFAULT_RESET = 3000;
1136 1706
1137sub generate_random_map { 1707sub generate_random_map {
1138 my ($self, $rmp) = @_; 1708 my ($self, $rmp) = @_;
1709
1710 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1711
1139 # mit "rum" bekleckern, nicht 1712 # mit "rum" bekleckern, nicht
1140 $self->_create_random_map ( 1713 $self->_create_random_map (
1141 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1714 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1715 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1716 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1177 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1178 1751
1179 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1180 local $self->{path}; 1753 local $self->{path};
1181 local $self->{load_path}; 1754 local $self->{load_path};
1182 local $self->{deny_save};
1183 local $self->{deny_reset};
1184 1755
1185 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1186} 1757}
1187 1758
1188sub normalise { 1759sub normalise {
1235 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1236 return $self; 1807 return $self;
1237 } 1808 }
1238 } 1809 }
1239 1810
1240 Carp::carp "unable to resolve path '$path' (base '$base')."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1241 () 1812 ()
1242} 1813}
1243 1814
1244sub init { 1815sub init {
1245 my ($self) = @_; 1816 my ($self) = @_;
1260 1831
1261# the original (read-only) location 1832# the original (read-only) location
1262sub load_path { 1833sub load_path {
1263 my ($self) = @_; 1834 my ($self) = @_;
1264 1835
1265 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1266} 1837}
1267 1838
1268# the temporary/swap location 1839# the temporary/swap location
1269sub save_path { 1840sub save_path {
1270 my ($self) = @_; 1841 my ($self) = @_;
1271 1842
1272 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1274} 1845}
1275 1846
1276# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1277sub uniq_path { 1848sub uniq_path {
1278 my ($self) = @_; 1849 my ($self) = @_;
1279 1850
1280 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1282} 1853}
1283 1854
1284# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1285# all maps in C++... 1856# all maps in C++...
1286sub change_all_map_light { 1857sub change_all_map_light {
1288 1859
1289 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1290 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1291} 1862}
1292 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1293sub unlink_save { 1872sub unlink_save {
1294 my ($self) = @_; 1873 my ($self) = @_;
1295 1874
1296 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1297 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1877 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300 #d#TODO remove .map and also nuke
1301 $save =~ s/\.map// or return;#d#
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304} 1878}
1305 1879
1306sub load_header_from($) { 1880sub load_header_from($) {
1307 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1308 1882
1309 utf8::encode $path; 1883 utf8::encode $path;
1310 #aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1311 # or return;
1312
1313 $self->_load_header ($path)
1314 or return; 1885 or return;
1886
1887 $self->_load_header ($f)
1888 or return;
1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1315 1892
1316 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1317 1894
1318 1 1895 1
1319} 1896}
1358 $self->load_header_orig 1935 $self->load_header_orig
1359 or return; 1936 or return;
1360 $self->prepare_orig; 1937 $self->prepare_orig;
1361 } 1938 }
1362 1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1943 $self->default_region (cf::region::find_by_path $self->{path})
1944 unless $self->default_region;
1945
1363 1 1946 1
1364} 1947}
1365 1948
1366sub find; 1949sub find;
1367sub find { 1950sub find {
1368 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1369 1952
1370 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1371 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1372 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1373 1957
1374 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1959 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375 my $guard = cf::lock_acquire "map_find:$path"; 1960 my $guard2 = cf::lock_acquire "map_find:$path";
1961
1376 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1377 or return; 1963 or return;
1378 1964
1379 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1380 1966
1381 $map->load_header 1967 $map->load_header
1382 or return; 1968 or return;
1383 1969
1384 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1386 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1387 $map->reset; 1975 $map->reset;
1388 undef $guard;
1389 return find $path; 1976 return find $path;
1390 } 1977 }
1391 1978
1392 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1393 } 1980 }
1400 my ($self) = @_; 1987 my ($self) = @_;
1401 1988
1402 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1403 1990
1404 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1405 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1406 1995
1996 return unless $self->valid;
1407 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1408 1998
1409 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1410 2000
1411 $self->alloc; 2001 $self->alloc;
1412 2002
1413 $self->pre_load; 2003 $self->pre_load;
2004 cf::cede_to_tick;
1414 2005
1415 $self->_load_objects ($self->{load_path}, 1) 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1416 or return; 2009 or return;
1417 2010
1418 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1419 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1420 2013
1421 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1422 utf8::encode $uniq; 2015 utf8::encode $uniq;
1423 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1424 $self->clear_unique_items; 2018 $self->clear_unique_items;
1425 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1426 } 2022 }
1427 } 2023 }
1428 2024
1429 Coro::cede; 2025 $f->resolve_delayed_derefs;
1430 2026
2027 cf::cede_to_tick;
1431 # now do the right thing for maps 2028 # now do the right thing for maps
1432 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1433
1434 unless ($self->{deny_activate}) {
1435 $self->decay_objects;
1436 $self->fix_auto_apply;
1437 $self->update_buttons;
1438 Coro::cede;
1439 $self->set_darkness_map;
1440 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1441 unless $self->difficulty; 2031 unless $self->difficulty;
1442 Coro::cede; 2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1443 $self->activate; 2041 $self->activate;
2042 }
2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
2047 $self->in_memory (cf::MAP_ACTIVE);
1444 } 2048 }
1445 2049
1446 $self->post_load; 2050 $self->post_load;
1447
1448 $self->in_memory (cf::MAP_IN_MEMORY);
1449} 2051}
1450 2052
1451sub customise_for { 2053sub customise_for {
1452 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1453 2055
1454 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1455 if $self->per_player; 2057 if $self->per_player;
1456 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1457 $self 2062 $self
1458} 2063}
1459 2064
1460# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1461sub load_diag { 2066sub load_neighbours {
1462 my ($map) = @_; 2067 my ($map) = @_;
1463 2068
1464 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1465 2070
1466 for (0 .. 3) { 2071 for (0 .. 3) {
1467 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1468 or next; 2073 or next;
1469 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1470 or next; 2075 or next;
1471 $neigh->load; 2076 $neigh->load;
1472 2077
2078 push @neigh,
1473 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1475 } 2081 }
1476 2082
1477 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1478 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1479 or next; 2086 or next;
1480 $neigh->load; 2087 $neigh->load;
1481 } 2088 }
1482} 2089}
1483 2090
1488} 2095}
1489 2096
1490sub do_load_sync { 2097sub do_load_sync {
1491 my ($map) = @_; 2098 my ($map) = @_;
1492 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1493 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1494} 2104}
1495 2105
1496our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1497our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1498 2108
1499sub find_async { 2109sub find_async {
1500 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1501 2111
1502 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1503 2113
1504 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1505 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506 } 2116 }
1507 2117
1508 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1509 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1510 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1511 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1512 my $map = find $path 2125 if (my $map = find $k) {
1513 or next;
1514 $map->load; 2126 $map->load if $v;
2127 }
1515 2128
1516 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1517 } 2130 }
1518 } 2131 }
1519 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1520 }; 2133 };
1521 $MAP_PREFETCHER->prio (6); 2134 $MAP_PREFETCHER->prio (6);
1524} 2137}
1525 2138
1526sub save { 2139sub save {
1527 my ($self) = @_; 2140 my ($self) = @_;
1528 2141
1529 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1530 2143
1531 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1532 2145
1533 return unless $self->dirty; 2146 return unless $self->dirty;
1534 2147
1540 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1541 2154
1542 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1543 2156
1544 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1545 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1546 }; 2160 };
2161
2162 cf::get_slot 0.02;
1547 2163
1548 if ($uniq) { 2164 if ($uniq) {
1549 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2165 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2166 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1551 } else { 2167 } else {
1557 my ($self) = @_; 2173 my ($self) = @_;
1558 2174
1559 # save first because save cedes 2175 # save first because save cedes
1560 $self->save; 2176 $self->save;
1561 2177
1562 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1563 2179
1564 return if $self->players; 2180 return if $self->players;
1565 return if $self->in_memory != cf::MAP_IN_MEMORY; 2181 return if $self->in_memory != cf::MAP_ACTIVE;
1566 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1567 2183
2184 $self->in_memory (cf::MAP_SWAPPED);
2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1568 $self->clear; 2188 $self->clear;
1569 $self->in_memory (cf::MAP_SWAPPED);
1570} 2189}
1571 2190
1572sub reset_at { 2191sub reset_at {
1573 my ($self) = @_; 2192 my ($self) = @_;
1574 2193
1575 # TODO: safety, remove and allow resettable per-player maps 2194 # TODO: safety, remove and allow resettable per-player maps
1576 return 1e99 if $self->isa ("ext::map_per_player");#d#
1577 return 1e99 if $self->{deny_reset}; 2195 return 1e99 if $self->{deny_reset};
1578 2196
1579 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2197 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2198 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581 2199
1592 my ($self) = @_; 2210 my ($self) = @_;
1593 2211
1594 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2212 my $lock = cf::lock_acquire "map_data:$self->{path}";
1595 2213
1596 return if $self->players; 2214 return if $self->players;
1597 return if $self->isa ("ext::map_per_player");#d#
1598 2215
1599 warn "resetting map ", $self->path;#d# 2216 warn "resetting map ", $self->path;
2217
2218 $self->in_memory (cf::MAP_SWAPPED);
2219
2220 # need to save uniques path
2221 unless ($self->{deny_save}) {
2222 my $uniq = $self->uniq_path; utf8::encode $uniq;
2223
2224 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2225 if $uniq;
2226 }
1600 2227
1601 delete $cf::MAP{$self->path}; 2228 delete $cf::MAP{$self->path};
1602 2229
1603 $self->in_memory (cf::MAP_SWAPPED); 2230 $self->deactivate;
2231 $_->clear_links_to ($self) for values %cf::MAP;
1604 $self->clear; 2232 $self->clear;
1605
1606 $_->clear_links_to ($self) for values %cf::MAP;
1607 2233
1608 $self->unlink_save; 2234 $self->unlink_save;
1609 $self->destroy; 2235 $self->destroy;
1610} 2236}
1611 2237
1612my $nuke_counter = "aaaa"; 2238my $nuke_counter = "aaaa";
1613 2239
1614sub nuke { 2240sub nuke {
1615 my ($self) = @_; 2241 my ($self) = @_;
1616 2242
2243 {
2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2245
1617 delete $cf::MAP{$self->path}; 2246 delete $cf::MAP{$self->path};
1618 2247
1619 $self->unlink_save; 2248 $self->unlink_save;
1620 2249
1621 bless $self, "cf::map"; 2250 bless $self, "cf::map";
1622 delete $self->{deny_reset}; 2251 delete $self->{deny_reset};
1623 $self->{deny_save} = 1; 2252 $self->{deny_save} = 1;
1624 $self->reset_timeout (1); 2253 $self->reset_timeout (1);
1625 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2254 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626 2255
1627 $cf::MAP{$self->path} = $self; 2256 $cf::MAP{$self->path} = $self;
2257 }
1628 2258
1629 $self->reset; # polite request, might not happen 2259 $self->reset; # polite request, might not happen
2260}
2261
2262=item $maps = cf::map::tmp_maps
2263
2264Returns an arrayref with all map paths of currently instantiated and saved
2265maps. May block.
2266
2267=cut
2268
2269sub tmp_maps() {
2270 [
2271 map {
2272 utf8::decode $_;
2273 /\.map$/
2274 ? normalise $_
2275 : ()
2276 } @{ aio_readdir $TMPDIR or [] }
2277 ]
2278}
2279
2280=item $maps = cf::map::random_maps
2281
2282Returns an arrayref with all map paths of currently instantiated and saved
2283random maps. May block.
2284
2285=cut
2286
2287sub random_maps() {
2288 [
2289 map {
2290 utf8::decode $_;
2291 /\.map$/
2292 ? normalise "?random/$_"
2293 : ()
2294 } @{ aio_readdir $RANDOMDIR or [] }
2295 ]
1630} 2296}
1631 2297
1632=item cf::map::unique_maps 2298=item cf::map::unique_maps
1633 2299
1634Returns an arrayref of paths of all shared maps that have 2300Returns an arrayref of paths of all shared maps that have
1635instantiated unique items. May block. 2301instantiated unique items. May block.
1636 2302
1637=cut 2303=cut
1638 2304
1639sub unique_maps() { 2305sub unique_maps() {
1640 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2306 [
1641 or return; 2307 map {
1642
1643 my @paths;
1644
1645 for (@$files) {
1646 utf8::decode $_; 2308 utf8::decode $_;
1647 next if /\.pst$/; 2309 s/\.map$//; # TODO future compatibility hack
1648 next unless /^$PATH_SEP/o; 2310 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649 2311 ? ()
1650 push @paths, cf::map::normalise $_; 2312 : normalise $_
2313 } @{ aio_readdir $UNIQUEDIR or [] }
1651 } 2314 ]
1652
1653 \@paths
1654} 2315}
1655
1656package cf;
1657 2316
1658=back 2317=back
1659 2318
1660=head3 cf::object 2319=head3 cf::object
1661 2320
1665 2324
1666=over 4 2325=over 4
1667 2326
1668=item $ob->inv_recursive 2327=item $ob->inv_recursive
1669 2328
1670Returns the inventory of the object _and_ their inventories, recursively. 2329Returns the inventory of the object I<and> their inventories, recursively,
2330but I<not> the object itself.
1671 2331
1672=cut 2332=cut
1673 2333
1674sub inv_recursive_; 2334sub inv_recursive_;
1675sub inv_recursive_ { 2335sub inv_recursive_ {
1678 2338
1679sub inv_recursive { 2339sub inv_recursive {
1680 inv_recursive_ inv $_[0] 2340 inv_recursive_ inv $_[0]
1681} 2341}
1682 2342
2343=item $ref = $ob->ref
2344
2345Creates and returns a persistent reference to an object that can be stored as a string.
2346
2347=item $ob = cf::object::deref ($refstring)
2348
2349returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2350even if the object actually exists. May block.
2351
2352=cut
2353
2354sub deref {
2355 my ($ref) = @_;
2356
2357 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2358 my ($uuid, $name) = ($1, $2);
2359 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2360 or return;
2361 $pl->ob->uuid eq $uuid
2362 or return;
2363
2364 $pl->ob
2365 } else {
2366 warn "$ref: cannot resolve object reference\n";
2367 undef
2368 }
2369}
2370
1683package cf; 2371package cf;
1684 2372
1685=back 2373=back
1686 2374
1687=head3 cf::object::player 2375=head3 cf::object::player
1693Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2381Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694can be C<undef>. Does the right thing when the player is currently in a 2382can be C<undef>. Does the right thing when the player is currently in a
1695dialogue with the given NPC character. 2383dialogue with the given NPC character.
1696 2384
1697=cut 2385=cut
2386
2387our $SAY_CHANNEL = {
2388 id => "say",
2389 title => "Map",
2390 reply => "say ",
2391 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2392};
2393
2394our $CHAT_CHANNEL = {
2395 id => "chat",
2396 title => "Chat",
2397 reply => "chat ",
2398 tooltip => "Player chat and shouts, global to the server.",
2399};
1698 2400
1699# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
1700# with dialog boxes. 2402# with dialog boxes.
1701#TODO: the first argument must go, split into a $npc->reply_to ( method 2403#TODO: the first argument must go, split into a $npc->reply_to ( method
1702sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
1704 2406
1705 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706 2408
1707 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1708 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1709 } else { 2412 } else {
2413 my $pl = $self->contr;
2414
2415 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2416 my $dialog = $pl->{npc_dialog};
2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418
2419 } else {
1710 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1711 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422 }
1712 } 2423 }
2424}
2425
2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2427
2428=cut
2429
2430sub cf::object::send_msg {
2431 my $pl = shift->contr
2432 or return;
2433 $pl->send_msg (@_);
1713} 2434}
1714 2435
1715=item $player_object->may ("access") 2436=item $player_object->may ("access")
1716 2437
1717Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
1730 2451
1731=item $player_object->enter_link 2452=item $player_object->enter_link
1732 2453
1733Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
1734 2455
1735The player should be reasonably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
1736I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
1737 2460
1738Will never block. 2461Will never block.
1739 2462
1740=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
1741 2464
1764 $self->deactivate_recursive; 2487 $self->deactivate_recursive;
1765 2488
1766 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2489 return if UNIVERSAL::isa $self->map, "ext::map_link";
1767 2490
1768 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2491 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769 if $self->map; 2492 if $self->map && $self->map->{path} ne "{link}";
1770 2493
1771 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2494 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1772} 2495}
1773 2496
1774sub cf::object::player::leave_link { 2497sub cf::object::player::leave_link {
1775 my ($self, $map, $x, $y) = @_; 2498 my ($self, $map, $x, $y) = @_;
2499
2500 return unless $self->contr->active;
1776 2501
1777 my $link_pos = delete $self->{_link_pos}; 2502 my $link_pos = delete $self->{_link_pos};
1778 2503
1779 unless ($map) { 2504 unless ($map) {
1780 # restore original map position 2505 # restore original map position
1794 # use -1 or undef as default coordinates, not 0, 0 2519 # use -1 or undef as default coordinates, not 0, 0
1795 ($x, $y) = ($map->enter_x, $map->enter_y) 2520 ($x, $y) = ($map->enter_x, $map->enter_y)
1796 if $x <=0 && $y <= 0; 2521 if $x <=0 && $y <= 0;
1797 2522
1798 $map->load; 2523 $map->load;
1799 $map->load_diag; 2524 $map->load_neighbours;
1800 2525
1801 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1802 $self->activate_recursive; 2528 $self->activate_recursive;
2529
2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
1804} 2532}
1805 2533
1806cf::player->attach ( 2534=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807 on_logout => sub {
1808 my ($pl) = @_;
1809 2535
1810 # abort map switching before logout 2536Moves the player to the given map-path and coordinates by first freezing
1811 if ($pl->ob->{_link_pos}) { 2537her, loading and preparing them map, calling the provided $check callback
1812 cf::sync_job { 2538that has to return the map if sucecssful, and then unfreezes the player on
1813 $pl->ob->leave_link 2539the new (success) or old (failed) map position. In either case, $done will
1814 }; 2540be called at the end of this process.
1815 }
1816 },
1817 on_login => sub {
1818 my ($pl) = @_;
1819 2541
1820 # try to abort aborted map switching on player login :) 2542Note that $check will be called with a potentially non-loaded map, so if
1821 # should happen only on crashes 2543it needs a loaded map it has to call C<< ->load >>.
1822 if ($pl->ob->{_link_pos}) {
1823 $pl->ob->enter_link;
1824 (async {
1825 # we need this sleep as the login has a concurrent enter_exit running
1826 # and this sleep increases chances of the player not ending up in scorn
1827 $pl->ob->reply (undef,
1828 "There was an internal problem at your last logout, "
1829 . "the server will try to bring you to your intended destination in a second.",
1830 cf::NDI_RED);
1831 Coro::Timer::sleep 1;
1832 $pl->ob->leave_link;
1833 })->prio (2);
1834 }
1835 },
1836);
1837 2544
1838=item $player_object->goto ($path, $x, $y)
1839
1840=cut 2545=cut
2546
2547our $GOTOGEN;
1841 2548
1842sub cf::object::player::goto { 2549sub cf::object::player::goto {
1843 my ($self, $path, $x, $y) = @_; 2550 my ($self, $path, $x, $y, $check, $done) = @_;
2551
2552 # do generation counting so two concurrent goto's will be executed in-order
2553 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844 2554
1845 $self->enter_link; 2555 $self->enter_link;
1846 2556
1847 (async { 2557 (async {
2558 $Coro::current->{desc} = "player::goto $path $x $y";
2559
2560 # *tag paths override both path and x|y
2561 if ($path =~ /^\*(.*)$/) {
2562 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2563 my $ob = $obs[rand @obs];
2564
2565 # see if we actually can go there
2566 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2567 $ob = $obs[rand @obs];
2568 } else {
2569 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2570 }
2571 # else put us there anyways for now #d#
2572
2573 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2574 } else {
2575 ($path, $x, $y) = (undef, undef, undef);
2576 }
2577 }
2578
1848 my $map = eval { 2579 my $map = eval {
1849 my $map = cf::map::find $path; 2580 my $map = defined $path ? cf::map::find $path : undef;
2581
2582 if ($map) {
1850 $map = $map->customise_for ($self) if $map; 2583 $map = $map->customise_for ($self);
2584 $map = $check->($map) if $check && $map;
2585 } else {
2586 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587 }
2588
1851 $map 2589 $map
2590 };
2591
2592 if ($@) {
2593 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2594 LOG llevError | logBacktrace, Carp::longmess $@;
1852 } or 2595 }
1853 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854 2596
2597 if ($gen == $self->{_goto_generation}) {
2598 delete $self->{_goto_generation};
1855 $self->leave_link ($map, $x, $y); 2599 $self->leave_link ($map, $x, $y);
2600 }
2601
2602 $done->() if $done;
1856 })->prio (1); 2603 })->prio (1);
1857} 2604}
1858 2605
1859=item $player_object->enter_exit ($exit_object) 2606=item $player_object->enter_exit ($exit_object)
1860 2607
1880} 2627}
1881 2628
1882sub prepare_random_map { 2629sub prepare_random_map {
1883 my ($exit) = @_; 2630 my ($exit) = @_;
1884 2631
1885 my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887 # all this does is basically replace the /! path by 2632 # all this does is basically replace the /! path by
1888 # a new random map path (?random/...) with a seed 2633 # a new random map path (?random/...) with a seed
1889 # that depends on the exit object 2634 # that depends on the exit object
1890 2635
1891 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
1893 if ($exit->map) { 2638 if ($exit->map) {
1894 $rmp->{region} = $exit->region->name; 2639 $rmp->{region} = $exit->region->name;
1895 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
1896 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
1897 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
1898 } 2645 }
1899 2646
1900 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
1901 2648
1902 my $data = cf::to_json $rmp; 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903 my $md5 = Digest::MD5::md5_hex $data; 2650 my $md5 = Digest::MD5::md5_hex $data;
1904 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2651 my $meta = "$RANDOMDIR/$md5.meta";
1905 2652
1906 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
1908 undef $fh; 2655 undef $fh;
1909 aio_rename "$meta~", $meta; 2656 aio_rename "$meta~", $meta;
1910 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
1911 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
1912 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
1913 } 2664 }
1914} 2665}
1915 2666
1916sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
1917 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
1918 2669
1919 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
1920 2671
1921 if ($exit->slaying eq "/!") {
1922 #TODO: this should de-fi-ni-te-ly not be a sync-job
1923 cf::sync_job { prepare_random_map $exit };
1924 }
1925
1926 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927 my $hp = $exit->stats->hp;
1928 my $sp = $exit->stats->sp;
1929
1930 $self->enter_link; 2672 $self->enter_link;
1931 2673
1932 (async { 2674 (async {
1933 $self->deactivate_recursive; # just to be sure 2675 $Coro::current->{desc} = "enter_exit";
2676
1934 unless (eval { 2677 unless (eval {
2678 $self->deactivate_recursive; # just to be sure
2679
2680 # random map handling
2681 {
2682 my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
2684 prepare_random_map $exit
2685 if $exit->slaying eq "/!";
2686 }
2687
2688 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
2691
1935 $self->goto ($slaying, $hp, $sp); 2692 $self->goto ($map, $x, $y);
1936 2693
2694 # if exit is damned, update players death & WoR home-position
2695 $self->contr->savebed ($map, $x, $y)
2696 if $exit->flag (cf::FLAG_DAMNED);
2697
1937 1; 2698 1
1938 }) { 2699 }) {
1939 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
1940 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
1941 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
1942 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
1943 2704
1944 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
1945 $self->leave_link; 2706 $self->leave_link;
1946 } 2707 }
1947 })->prio (1); 2708 })->prio (1);
1960 2721
1961sub cf::client::send_drawinfo { 2722sub cf::client::send_drawinfo {
1962 my ($self, $text, $flags) = @_; 2723 my ($self, $text, $flags) = @_;
1963 2724
1964 utf8::encode $text; 2725 utf8::encode $text;
1965 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2726 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966} 2727}
1967 2728
2729=item $client->send_msg ($channel, $msg, $color, [extra...])
2730
2731Send a drawinfo or msg packet to the client, formatting the msg for the
2732client if neccessary. C<$type> should be a string identifying the type of
2733the message, with C<log> being the default. If C<$color> is negative, suppress
2734the message unless the client supports the msg packet.
2735
2736=cut
2737
2738# non-persistent channels (usually the info channel)
2739our %CHANNEL = (
2740 "c/identify" => {
2741 id => "infobox",
2742 title => "Identify",
2743 reply => undef,
2744 tooltip => "Items recently identified",
2745 },
2746 "c/examine" => {
2747 id => "infobox",
2748 title => "Examine",
2749 reply => undef,
2750 tooltip => "Signs and other items you examined",
2751 },
2752 "c/book" => {
2753 id => "infobox",
2754 title => "Book",
2755 reply => undef,
2756 tooltip => "The contents of a note or book",
2757 },
2758 "c/lookat" => {
2759 id => "infobox",
2760 title => "Look",
2761 reply => undef,
2762 tooltip => "What you saw there",
2763 },
2764 "c/who" => {
2765 id => "infobox",
2766 title => "Players",
2767 reply => undef,
2768 tooltip => "Shows players who are currently online",
2769 },
2770 "c/body" => {
2771 id => "infobox",
2772 title => "Body Parts",
2773 reply => undef,
2774 tooltip => "Shows which body parts you posess and are available",
2775 },
2776 "c/skills" => {
2777 id => "infobox",
2778 title => "Skills",
2779 reply => undef,
2780 tooltip => "Shows your experience per skill and item power",
2781 },
2782 "c/uptime" => {
2783 id => "infobox",
2784 title => "Uptime",
2785 reply => undef,
2786 tooltip => "How long the server has been running since last restart",
2787 },
2788 "c/mapinfo" => {
2789 id => "infobox",
2790 title => "Map Info",
2791 reply => undef,
2792 tooltip => "Information related to the maps",
2793 },
2794 "c/party" => {
2795 id => "party",
2796 title => "Party",
2797 reply => "gsay ",
2798 tooltip => "Messages and chat related to your party",
2799 },
2800);
2801
2802sub cf::client::send_msg {
2803 my ($self, $channel, $msg, $color, @extra) = @_;
2804
2805 $msg = $self->pl->expand_cfpod ($msg)
2806 unless $color & cf::NDI_VERBATIM;
2807
2808 $color &= cf::NDI_CLIENT_MASK; # just in case...
2809
2810 # check predefined channels, for the benefit of C
2811 if ($CHANNEL{$channel}) {
2812 $channel = $CHANNEL{$channel};
2813
2814 $self->ext_msg (channel_info => $channel)
2815 if $self->can_msg;
2816
2817 $channel = $channel->{id};
2818
2819 } elsif (ref $channel) {
2820 # send meta info to client, if not yet sent
2821 unless (exists $self->{channel}{$channel->{id}}) {
2822 $self->{channel}{$channel->{id}} = $channel;
2823 $self->ext_msg (channel_info => $channel)
2824 if $self->can_msg;
2825 }
2826
2827 $channel = $channel->{id};
2828 }
2829
2830 return unless @extra || length $msg;
2831
2832 if ($self->can_msg) {
2833 # default colour, mask it out
2834 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835 if $color & cf::NDI_DEF;
2836
2837 my $pkt = "msg "
2838 . $self->{json_coder}->encode (
2839 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2840 );
2841
2842 # try lzf for large packets
2843 $pkt = "lzf " . Compress::LZF::compress $pkt
2844 if 1024 <= length $pkt and $self->{can_lzf};
2845
2846 # split very large packets
2847 if (8192 < length $pkt and $self->{can_lzf}) {
2848 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2849 $pkt = "frag";
2850 }
2851
2852 $self->send_packet ($pkt);
2853 } else {
2854 if ($color >= 0) {
2855 # replace some tags by gcfclient-compatible ones
2856 for ($msg) {
2857 1 while
2858 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2859 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2860 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2861 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2862 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2863 }
2864
2865 $color &= cf::NDI_COLOR_MASK;
2866
2867 utf8::encode $msg;
2868
2869 if (0 && $msg =~ /\[/) {
2870 # COMMAND/INFO
2871 $self->send_packet ("drawextinfo $color 10 8 $msg")
2872 } else {
2873 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2874 $self->send_packet ("drawinfo $color $msg")
2875 }
2876 }
2877 }
2878}
2879
2880=item $client->ext_msg ($type, @msg)
2881
2882Sends an ext event to the client.
2883
2884=cut
2885
2886sub cf::client::ext_msg($$@) {
2887 my ($self, $type, @msg) = @_;
2888
2889 if ($self->extcmd == 2) {
2890 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2891 } elsif ($self->extcmd == 1) { # TODO: remove
2892 push @msg, msgtype => "event_$type";
2893 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2894 }
2895}
2896
2897=item $client->ext_reply ($msgid, @msg)
2898
2899Sends an ext reply to the client.
2900
2901=cut
2902
2903sub cf::client::ext_reply($$@) {
2904 my ($self, $id, @msg) = @_;
2905
2906 if ($self->extcmd == 2) {
2907 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2908 } elsif ($self->extcmd == 1) {
2909 #TODO: version 1, remove
2910 unshift @msg, msgtype => "reply", msgid => $id;
2911 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2912 }
2913}
1968 2914
1969=item $success = $client->query ($flags, "text", \&cb) 2915=item $success = $client->query ($flags, "text", \&cb)
1970 2916
1971Queues a query to the client, calling the given callback with 2917Queues a query to the client, calling the given callback with
1972the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2918the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2919C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974 2920
1975Queries can fail, so check the return code. Or don't, as queries will become 2921Queries can fail, so check the return code. Or don't, as queries will
1976reliable at some point in the future. 2922become reliable at some point in the future.
1977 2923
1978=cut 2924=cut
1979 2925
1980sub cf::client::query { 2926sub cf::client::query {
1981 my ($self, $flags, $text, $cb) = @_; 2927 my ($self, $flags, $text, $cb) = @_;
1989 utf8::encode $text; 2935 utf8::encode $text;
1990 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2936 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991 2937
1992 $self->send_packet ($self->{query_queue}[0][0]) 2938 $self->send_packet ($self->{query_queue}[0][0])
1993 if @{ $self->{query_queue} } == 1; 2939 if @{ $self->{query_queue} } == 1;
2940
2941 1
1994} 2942}
1995 2943
1996cf::client->attach ( 2944cf::client->attach (
2945 on_connect => sub {
2946 my ($ns) = @_;
2947
2948 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2949 },
1997 on_reply => sub { 2950 on_reply => sub {
1998 my ($ns, $msg) = @_; 2951 my ($ns, $msg) = @_;
1999 2952
2000 # this weird shuffling is so that direct followup queries 2953 # this weird shuffling is so that direct followup queries
2001 # get handled first 2954 # get handled first
2002 my $queue = delete $ns->{query_queue} 2955 my $queue = delete $ns->{query_queue}
2003 or return; # be conservative, not sure how that can happen, but we saw a crash here 2956 or return; # be conservative, not sure how that can happen, but we saw a crash here
2004 2957
2005 (shift @$queue)->[1]->($msg); 2958 (shift @$queue)->[1]->($msg);
2959 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006 2960
2007 push @{ $ns->{query_queue} }, @$queue; 2961 push @{ $ns->{query_queue} }, @$queue;
2008 2962
2009 if (@{ $ns->{query_queue} } == @$queue) { 2963 if (@{ $ns->{query_queue} } == @$queue) {
2010 if (@$queue) { 2964 if (@$queue) {
2012 } else { 2966 } else {
2013 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2967 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014 } 2968 }
2015 } 2969 }
2016 }, 2970 },
2971 on_exticmd => sub {
2972 my ($ns, $buf) = @_;
2973
2974 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2975
2976 if (ref $msg) {
2977 my ($type, $reply, @payload) =
2978 "ARRAY" eq ref $msg
2979 ? @$msg
2980 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2981
2982 my @reply;
2983
2984 if (my $cb = $EXTICMD{$type}) {
2985 @reply = $cb->($ns, @payload);
2986 }
2987
2988 $ns->ext_reply ($reply, @reply)
2989 if $reply;
2990
2991 } else {
2992 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2993 }
2994
2995 cf::override;
2996 },
2017); 2997);
2018 2998
2019=item $client->async (\&cb) 2999=item $client->async (\&cb)
2020 3000
2021Create a new coroutine, running the specified callback. The coroutine will 3001Create a new coroutine, running the specified callback. The coroutine will
2062our $safe = new Safe "safe"; 3042our $safe = new Safe "safe";
2063our $safe_hole = new Safe::Hole; 3043our $safe_hole = new Safe::Hole;
2064 3044
2065$SIG{FPE} = 'IGNORE'; 3045$SIG{FPE} = 'IGNORE';
2066 3046
2067$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3047$safe->permit_only (Opcode::opset qw(
3048 :base_core :base_mem :base_orig :base_math
3049 grepstart grepwhile mapstart mapwhile
3050 sort time
3051));
2068 3052
2069# here we export the classes and methods available to script code 3053# here we export the classes and methods available to script code
2070 3054
2071=pod 3055=pod
2072 3056
2073The following fucntions and emthods are available within a safe environment: 3057The following functions and methods are available within a safe environment:
2074 3058
2075 cf::object contr pay_amount pay_player map 3059 cf::object
3060 contr pay_amount pay_player map x y force_find force_add destroy
3061 insert remove name archname title slaying race decrease split
3062
2076 cf::object::player player 3063 cf::object::player
2077 cf::player peaceful 3064 player
2078 cf::map trigger 3065
3066 cf::player
3067 peaceful
3068
3069 cf::map
3070 trigger
2079 3071
2080=cut 3072=cut
2081 3073
2082for ( 3074for (
2083 ["cf::object" => qw(contr pay_amount pay_player map)], 3075 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3076 insert remove inv nrof name archname title slaying race
3077 decrease split destroy change_exp)],
2084 ["cf::object::player" => qw(player)], 3078 ["cf::object::player" => qw(player)],
2085 ["cf::player" => qw(peaceful)], 3079 ["cf::player" => qw(peaceful)],
2086 ["cf::map" => qw(trigger)], 3080 ["cf::map" => qw(trigger)],
2087) { 3081) {
2088 no strict 'refs'; 3082 no strict 'refs';
2159=back 3153=back
2160 3154
2161=cut 3155=cut
2162 3156
2163############################################################################# 3157#############################################################################
3158# the server's init and main functions
2164 3159
2165=head2 EXTENSION DATABASE SUPPORT 3160sub load_facedata($) {
3161 my ($path) = @_;
2166 3162
2167Crossfire maintains a very simple database for extension use. It can 3163 # HACK to clear player env face cache, we need some signal framework
2168currently store anything that can be serialised using Storable, which 3164 # for this (global event?)
2169excludes objects. 3165 %ext::player_env::MUSIC_FACE_CACHE = ();
2170 3166
2171The parameter C<$family> should best start with the name of the extension 3167 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172using it, it should be unique.
2173 3168
2174=over 4 3169 warn "loading facedata from $path\n";
2175 3170
2176=item $hashref = cf::db_get $family 3171 my $facedata;
3172 0 < aio_load $path, $facedata
3173 or die "$path: $!";
2177 3174
2178Return a hashref for use by the extension C<$family>, which can be 3175 $facedata = Coro::Storable::thaw $facedata;
2179modified. After modifications, you have to call C<cf::db_dirty> or
2180C<cf::db_sync>.
2181 3176
2182=item $value = cf::db_get $family => $key 3177 $facedata->{version} == 2
3178 or cf::cleanup "$path: version mismatch, cannot proceed.";
2183 3179
2184Returns a single value from the database 3180 # patch in the exptable
2185 3181 $facedata->{resource}{"res/exp_table"} = {
2186=item cf::db_put $family => $hashref 3182 type => FT_RSRC,
2187 3183 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188Stores the given family hashref into the database. Updates are delayed, if
2189you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family hash. Updates are delayed, if you
2194want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196=item cf::db_dirty
2197
2198Marks the database as dirty, to be updated at a later time.
2199
2200=item cf::db_sync
2201
2202Immediately write the database to disk I<if it is dirty>.
2203
2204=cut
2205
2206our $DB;
2207
2208{
2209 my $path = cf::localdir . "/database.pst";
2210
2211 sub db_load() {
2212 $DB = stat $path ? Storable::retrieve $path : { };
2213 } 3184 };
3185 cf::cede_to_tick;
2214 3186
2215 my $pid;
2216
2217 sub db_save() {
2218 waitpid $pid, 0 if $pid;
2219 if (0 == ($pid = fork)) {
2220 $DB->{_meta}{version} = 1;
2221 Storable::nstore $DB, "$path~";
2222 rename "$path~", $path;
2223 cf::_exit 0 if defined $pid;
2224 }
2225 } 3187 {
3188 my $faces = $facedata->{faceinfo};
2226 3189
2227 my $dirty; 3190 while (my ($face, $info) = each %$faces) {
3191 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228 3192
2229 sub db_sync() { 3193 cf::face::set_visibility $idx, $info->{visibility};
2230 db_save if $dirty; 3194 cf::face::set_magicmap $idx, $info->{magicmap};
2231 undef $dirty; 3195 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232 } 3196 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233 3197
2234 my $idle = Event->idle ( 3198 cf::cede_to_tick;
2235 reentrant => 0,
2236 min => 10,
2237 max => 20,
2238 repeat => 0,
2239 data => WF_AUTOCANCEL,
2240 cb => \&db_sync,
2241 );
2242
2243 sub db_dirty() {
2244 $dirty = 1;
2245 $idle->start;
2246 }
2247
2248 sub db_get($;$) {
2249 @_ >= 2
2250 ? $DB->{$_[0]}{$_[1]}
2251 : ($DB->{$_[0]} ||= { })
2252 }
2253
2254 sub db_put($$;$) {
2255 if (@_ >= 3) {
2256 $DB->{$_[0]}{$_[1]} = $_[2];
2257 } else {
2258 $DB->{$_[0]} = $_[1];
2259 }
2260 db_dirty;
2261 }
2262
2263 cf::global->attach (
2264 prio => 10000,
2265 on_cleanup => sub {
2266 db_sync;
2267 }, 3199 }
2268 );
2269}
2270 3200
2271############################################################################# 3201 while (my ($face, $info) = each %$faces) {
2272# the server's main() 3202 next unless $info->{smooth};
2273 3203
2274sub cfg_load { 3204 my $idx = cf::face::find $face
3205 or next;
3206
3207 if (my $smooth = cf::face::find $info->{smooth}) {
3208 cf::face::set_smooth $idx, $smooth;
3209 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3210 } else {
3211 warn "smooth face '$info->{smooth}' not found for face '$face'";
3212 }
3213
3214 cf::cede_to_tick;
3215 }
3216 }
3217
3218 {
3219 my $anims = $facedata->{animinfo};
3220
3221 while (my ($anim, $info) = each %$anims) {
3222 cf::anim::set $anim, $info->{frames}, $info->{facings};
3223 cf::cede_to_tick;
3224 }
3225
3226 cf::anim::invalidate_all; # d'oh
3227 }
3228
3229 {
3230 # TODO: for gcfclient pleasure, we should give resources
3231 # that gcfclient doesn't grok a >10000 face index.
3232 my $res = $facedata->{resource};
3233
3234 while (my ($name, $info) = each %$res) {
3235 if (defined $info->{type}) {
3236 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3237 my $data;
3238
3239 if ($info->{type} & 1) {
3240 # prepend meta info
3241
3242 my $meta = $enc->encode ({
3243 name => $name,
3244 %{ $info->{meta} || {} },
3245 });
3246
3247 $data = pack "(w/a*)*", $meta, $info->{data};
3248 } else {
3249 $data = $info->{data};
3250 }
3251
3252 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3253 cf::face::set_type $idx, $info->{type};
3254 } else {
3255 $RESOURCE{$name} = $info;
3256 }
3257
3258 cf::cede_to_tick;
3259 }
3260 }
3261
3262 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3263
3264 1
3265}
3266
3267cf::global->attach (on_resource_update => sub {
3268 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3269 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3270
3271 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3272 my $sound = $soundconf->{compat}[$_]
3273 or next;
3274
3275 my $face = cf::face::find "sound/$sound->[1]";
3276 cf::sound::set $sound->[0] => $face;
3277 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3278 }
3279
3280 while (my ($k, $v) = each %{$soundconf->{event}}) {
3281 my $face = cf::face::find "sound/$v";
3282 cf::sound::set $k => $face;
3283 }
3284 }
3285});
3286
3287register_exticmd fx_want => sub {
3288 my ($ns, $want) = @_;
3289
3290 while (my ($k, $v) = each %$want) {
3291 $ns->fx_want ($k, $v);
3292 }
3293};
3294
3295sub load_resource_file($) {
3296 my $guard = lock_acquire "load_resource_file";
3297
3298 my $status = load_resource_file_ $_[0];
3299 get_slot 0.1, 100;
3300 cf::arch::commit_load;
3301
3302 $status
3303}
3304
3305sub reload_regions {
3306 # HACK to clear player env face cache, we need some signal framework
3307 # for this (global event?)
3308 %ext::player_env::MUSIC_FACE_CACHE = ();
3309
3310 load_resource_file "$MAPDIR/regions"
3311 or die "unable to load regions file\n";
3312
3313 for (cf::region::list) {
3314 $_->{match} = qr/$_->{match}/
3315 if exists $_->{match};
3316 }
3317}
3318
3319sub reload_facedata {
3320 load_facedata "$DATADIR/facedata"
3321 or die "unable to load facedata\n";
3322}
3323
3324sub reload_archetypes {
3325 load_resource_file "$DATADIR/archetypes"
3326 or die "unable to load archetypes\n";
3327}
3328
3329sub reload_treasures {
3330 load_resource_file "$DATADIR/treasures"
3331 or die "unable to load treasurelists\n";
3332}
3333
3334sub reload_resources {
3335 warn "reloading resource files...\n";
3336
3337 reload_facedata;
3338 reload_archetypes;
3339 reload_regions;
3340 reload_treasures;
3341
3342 warn "finished reloading resource files\n";
3343}
3344
3345sub init {
3346 my $guard = freeze_mainloop;
3347
3348 evthread_start IO::AIO::poll_fileno;
3349
3350 reload_resources;
3351}
3352
3353sub reload_config {
2275 open my $fh, "<:utf8", cf::confdir . "/config" 3354 open my $fh, "<:utf8", "$CONFDIR/config"
2276 or return; 3355 or return;
2277 3356
2278 local $/; 3357 local $/;
2279 *CFG = YAML::Syck::Load <$fh>; 3358 *CFG = YAML::Load <$fh>;
2280 3359
2281 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3360 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282 3361
2283 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3362 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3363 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2290 }; 3369 };
2291 warn $@ if $@; 3370 warn $@ if $@;
2292 } 3371 }
2293} 3372}
2294 3373
3374sub pidfile() {
3375 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3376 or die "$PIDFILE: $!";
3377 flock $fh, &Fcntl::LOCK_EX
3378 or die "$PIDFILE: flock: $!";
3379 $fh
3380}
3381
3382# make sure only one server instance is running at any one time
3383sub atomic {
3384 my $fh = pidfile;
3385
3386 my $pid = <$fh>;
3387 kill 9, $pid if $pid > 0;
3388
3389 seek $fh, 0, 0;
3390 print $fh $$;
3391}
3392
2295sub main { 3393sub main {
3394 atomic;
3395
2296 # we must not ever block the main coroutine 3396 # we must not ever block the main coroutine
2297 local $Coro::idle = sub { 3397 local $Coro::idle = sub {
2298 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3398 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299 (async { 3399 (async {
2300 Event::one_event; 3400 $Coro::current->{desc} = "IDLE BUG HANDLER";
3401 EV::loop EV::LOOP_ONESHOT;
2301 })->prio (Coro::PRIO_MAX); 3402 })->prio (Coro::PRIO_MAX);
2302 }; 3403 };
2303 3404
2304 cfg_load; 3405 {
2305 db_load; 3406 my $guard = freeze_mainloop;
3407 reload_config;
3408 db_init;
2306 load_extensions; 3409 load_extensions;
2307 3410
2308 $TICK_WATCHER->start; 3411 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3412 }
3413
3414 utime time, time, $RUNTIMEFILE;
3415
3416 # no (long-running) fork's whatsoever before this point(!)
3417 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3418
2309 Event::loop; 3419 EV::loop;
2310} 3420}
2311 3421
2312############################################################################# 3422#############################################################################
2313# initialisation and cleanup 3423# initialisation and cleanup
2314 3424
2315# install some emergency cleanup handlers 3425# install some emergency cleanup handlers
2316BEGIN { 3426BEGIN {
3427 our %SIGWATCHER = ();
2317 for my $signal (qw(INT HUP TERM)) { 3428 for my $signal (qw(INT HUP TERM)) {
2318 Event->signal ( 3429 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2319 reentrant => 0,
2320 data => WF_AUTOCANCEL,
2321 signal => $signal,
2322 prio => 0,
2323 cb => sub {
2324 cf::cleanup "SIG$signal"; 3430 cf::cleanup "SIG$signal";
2325 },
2326 ); 3431 };
3432 }
3433}
3434
3435sub write_runtime_sync {
3436 # first touch the runtime file to show we are still running:
3437 # the fsync below can take a very very long time.
3438
3439 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3440
3441 my $guard = cf::lock_acquire "write_runtime";
3442
3443 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3444 or return;
3445
3446 my $value = $cf::RUNTIME + 90 + 10;
3447 # 10 is the runtime save interval, for a monotonic clock
3448 # 60 allows for the watchdog to kill the server.
3449
3450 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3451 and return;
3452
3453 # always fsync - this file is important
3454 aio_fsync $fh
3455 and return;
3456
3457 # touch it again to show we are up-to-date
3458 aio_utime $fh, undef, undef;
3459
3460 close $fh
3461 or return;
3462
3463 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3464 and return;
3465
3466 warn "runtime file written.\n";
3467
2327 } 3468 1
3469}
3470
3471our $uuid_lock;
3472our $uuid_skip;
3473
3474sub write_uuid_sync($) {
3475 $uuid_skip ||= $_[0];
3476
3477 return if $uuid_lock;
3478 local $uuid_lock = 1;
3479
3480 my $uuid = "$LOCALDIR/uuid";
3481
3482 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3483 or return;
3484
3485 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3486 $uuid_skip = 0;
3487
3488 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3489 and return;
3490
3491 # always fsync - this file is important
3492 aio_fsync $fh
3493 and return;
3494
3495 close $fh
3496 or return;
3497
3498 aio_rename "$uuid~", $uuid
3499 and return;
3500
3501 warn "uuid file written ($value).\n";
3502
3503 1
3504
3505}
3506
3507sub write_uuid($$) {
3508 my ($skip, $sync) = @_;
3509
3510 $sync ? write_uuid_sync $skip
3511 : async { write_uuid_sync $skip };
2328} 3512}
2329 3513
2330sub emergency_save() { 3514sub emergency_save() {
2331 my $freeze_guard = cf::freeze_mainloop; 3515 my $freeze_guard = cf::freeze_mainloop;
2332 3516
2338 # and maps saved/destroyed asynchronously. 3522 # and maps saved/destroyed asynchronously.
2339 warn "begin emergency player save\n"; 3523 warn "begin emergency player save\n";
2340 for my $login (keys %cf::PLAYER) { 3524 for my $login (keys %cf::PLAYER) {
2341 my $pl = $cf::PLAYER{$login} or next; 3525 my $pl = $cf::PLAYER{$login} or next;
2342 $pl->valid or next; 3526 $pl->valid or next;
3527 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343 $pl->save; 3528 $pl->save;
2344 } 3529 }
2345 warn "end emergency player save\n"; 3530 warn "end emergency player save\n";
2346 3531
2347 warn "begin emergency map save\n"; 3532 warn "begin emergency map save\n";
2349 my $map = $cf::MAP{$path} or next; 3534 my $map = $cf::MAP{$path} or next;
2350 $map->valid or next; 3535 $map->valid or next;
2351 $map->save; 3536 $map->save;
2352 } 3537 }
2353 warn "end emergency map save\n"; 3538 warn "end emergency map save\n";
3539
3540 warn "begin emergency database checkpoint\n";
3541 BDB::db_env_txn_checkpoint $DB_ENV;
3542 warn "end emergency database checkpoint\n";
3543
3544 warn "begin write uuid\n";
3545 write_uuid_sync 1;
3546 warn "end write uuid\n";
2354 }; 3547 };
2355 3548
2356 warn "leave emergency perl save\n"; 3549 warn "leave emergency perl save\n";
2357} 3550}
2358 3551
3552sub post_cleanup {
3553 my ($make_core) = @_;
3554
3555 warn Carp::longmess "post_cleanup backtrace"
3556 if $make_core;
3557
3558 my $fh = pidfile;
3559 unlink $PIDFILE if <$fh> == $$;
3560}
3561
3562# a safer delete_package, copied from Symbol
3563sub clear_package($) {
3564 my $pkg = shift;
3565
3566 # expand to full symbol table name if needed
3567 unless ($pkg =~ /^main::.*::$/) {
3568 $pkg = "main$pkg" if $pkg =~ /^::/;
3569 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3570 $pkg .= '::' unless $pkg =~ /::$/;
3571 }
3572
3573 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3574 my $stem_symtab = *{$stem}{HASH};
3575
3576 defined $stem_symtab and exists $stem_symtab->{$leaf}
3577 or return;
3578
3579 # clear all symbols
3580 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3581 for my $name (keys %$leaf_symtab) {
3582 _gv_clear *{"$pkg$name"};
3583# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3584 }
3585 warn "cleared package #$pkg\n";#d#
3586}
3587
3588our $RELOAD; # how many times to reload
3589
2359sub reload() { 3590sub do_reload_perl() {
2360 # can/must only be called in main 3591 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 3592 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 3593 warn "can only reload from main coroutine";
2363 return; 3594 return;
2364 } 3595 }
2365 3596
3597 return if $RELOAD++;
3598
3599 while ($RELOAD) {
2366 warn "reloading..."; 3600 warn "reloading...";
2367 3601
2368 warn "cancelling server ticker"; 3602 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 3603
3604 cf::sync_job {
3605 cf::write_runtime_sync; # external watchdog should not bark
2371 cf::emergency_save; 3606 cf::emergency_save;
3607 cf::write_runtime_sync; # external watchdog should not bark
2372 3608
2373 eval { 3609 warn "syncing database to disk";
3610 BDB::db_env_txn_checkpoint $DB_ENV;
3611
2374 # if anything goes wrong in here, we should simply crash as we already saved 3612 # if anything goes wrong in here, we should simply crash as we already saved
2375 3613
2376 warn "syncing database to disk";
2377 cf::db_sync;
2378
2379 warn "cancelling all WF_AUTOCANCEL watchers";
2380 for (Event::all_watchers) {
2381 $_->cancel if $_->data & WF_AUTOCANCEL;
2382 }
2383
2384 warn "flushing outstanding aio requests"; 3614 warn "flushing outstanding aio requests";
2385 for (;;) { 3615 while (IO::AIO::nreqs || BDB::nreqs) {
2386 IO::AIO::flush; 3616 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387 Coro::cede;
2388 last unless IO::AIO::nreqs;
2389 warn "iterate...";
2390 }
2391
2392 warn "cancelling all extension coros";
2393 $_->cancel for values %EXT_CORO;
2394 %EXT_CORO = ();
2395
2396 warn "removing commands";
2397 %COMMAND = ();
2398
2399 warn "removing ext commands";
2400 %EXTCMD = ();
2401
2402 warn "unloading/nuking all extensions";
2403 for my $pkg (@EXTS) {
2404 warn "... unloading $pkg";
2405
2406 if (my $cb = $pkg->can ("unload")) {
2407 eval {
2408 $cb->($pkg);
2409 1
2410 } or warn "$pkg unloaded, but with errors: $@";
2411 } 3617 }
2412 3618
2413 warn "... nuking $pkg"; 3619 warn "cancelling all extension coros";
2414 Symbol::delete_package $pkg; 3620 $_->cancel for values %EXT_CORO;
2415 } 3621 %EXT_CORO = ();
2416 3622
2417 warn "unloading all perl modules loaded from $LIBDIR"; 3623 warn "removing commands";
2418 while (my ($k, $v) = each %INC) { 3624 %COMMAND = ();
2419 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420 3625
3626 warn "removing ext/exti commands";
3627 %EXTCMD = ();
3628 %EXTICMD = ();
3629
3630 warn "unloading/nuking all extensions";
3631 for my $pkg (@EXTS) {
2421 warn "... unloading $k"; 3632 warn "... unloading $pkg";
2422 delete $INC{$k};
2423 3633
2424 $k =~ s/\.pm$//;
2425 $k =~ s/\//::/g;
2426
2427 if (my $cb = $k->can ("unload_module")) { 3634 if (my $cb = $pkg->can ("unload")) {
3635 eval {
2428 $cb->(); 3636 $cb->($pkg);
3637 1
3638 } or warn "$pkg unloaded, but with errors: $@";
3639 }
3640
3641 warn "... clearing $pkg";
3642 clear_package $pkg;
2429 } 3643 }
2430 3644
2431 Symbol::delete_package $k; 3645 warn "unloading all perl modules loaded from $LIBDIR";
3646 while (my ($k, $v) = each %INC) {
3647 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648
3649 warn "... unloading $k";
3650 delete $INC{$k};
3651
3652 $k =~ s/\.pm$//;
3653 $k =~ s/\//::/g;
3654
3655 if (my $cb = $k->can ("unload_module")) {
3656 $cb->();
3657 }
3658
3659 clear_package $k;
2432 } 3660 }
2433 3661
2434 warn "getting rid of safe::, as good as possible"; 3662 warn "getting rid of safe::, as good as possible";
2435 Symbol::delete_package "safe::$_" 3663 clear_package "safe::$_"
2436 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3664 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437 3665
2438 warn "unloading cf.pm \"a bit\""; 3666 warn "unloading cf.pm \"a bit\"";
2439 delete $INC{"cf.pm"}; 3667 delete $INC{"cf.pm"};
3668 delete $INC{"cf/pod.pm"};
2440 3669
2441 # don't, removes xs symbols, too, 3670 # don't, removes xs symbols, too,
2442 # and global variables created in xs 3671 # and global variables created in xs
2443 #Symbol::delete_package __PACKAGE__; 3672 #clear_package __PACKAGE__;
2444 3673
2445 warn "unload completed, starting to reload now"; 3674 warn "unload completed, starting to reload now";
2446 3675
2447 warn "reloading cf.pm"; 3676 warn "reloading cf.pm";
2448 require cf; 3677 require cf;
2449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3678 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450 3679
2451 warn "loading config and database again"; 3680 warn "loading config and database again";
2452 cf::cfg_load; 3681 cf::reload_config;
2453 cf::db_load;
2454 3682
2455 warn "loading extensions"; 3683 warn "loading extensions";
2456 cf::load_extensions; 3684 cf::load_extensions;
2457 3685
2458 warn "reattaching attachments to objects/players"; 3686 warn "reattaching attachments to objects/players";
2459 _global_reattach; 3687 _global_reattach; # objects, sockets
2460 warn "reattaching attachments to maps"; 3688 warn "reattaching attachments to maps";
2461 reattach $_ for values %MAP; 3689 reattach $_ for values %MAP;
3690 warn "reattaching attachments to players";
3691 reattach $_ for values %PLAYER;
2462 3692
2463 warn "restarting server ticker"; 3693 warn "leaving sync_job";
2464 3694
2465 $TICK_WATCHER->start; 3695 1
3696 } or do {
3697 warn $@;
3698 cf::cleanup "error while reloading, exiting.";
3699 };
3700
3701 warn "reloaded";
3702 --$RELOAD;
3703 }
3704};
3705
3706our $RELOAD_WATCHER; # used only during reload
3707
3708sub reload_perl() {
3709 # doing reload synchronously and two reloads happen back-to-back,
3710 # coro crashes during coro_state_free->destroy here.
3711
3712 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3713 do_reload_perl;
3714 undef $RELOAD_WATCHER;
2466 }; 3715 };
2467 3716}
2468 if ($@) {
2469 warn $@;
2470 warn "error while reloading, exiting.";
2471 exit 1;
2472 }
2473
2474 warn "reloaded";
2475};
2476
2477our $RELOAD_WATCHER; # used only during reload
2478 3717
2479register_command "reload" => sub { 3718register_command "reload" => sub {
2480 my ($who, $arg) = @_; 3719 my ($who, $arg) = @_;
2481 3720
2482 if ($who->flag (FLAG_WIZ)) { 3721 if ($who->flag (FLAG_WIZ)) {
2483 $who->message ("reloading server."); 3722 $who->message ("reloading server.");
2484 3723 async {
2485 # doing reload synchronously and two reloads happen back-to-back, 3724 $Coro::current->{desc} = "perl_reload";
2486 # coro crashes during coro_state_free->destroy here.
2487
2488 $RELOAD_WATCHER ||= Event->timer (
2489 reentrant => 0,
2490 after => 0,
2491 data => WF_AUTOCANCEL,
2492 cb => sub {
2493 reload; 3725 reload_perl;
2494 undef $RELOAD_WATCHER;
2495 },
2496 ); 3726 };
2497 } 3727 }
2498}; 3728};
2499 3729
2500unshift @INC, $LIBDIR; 3730unshift @INC, $LIBDIR;
2501 3731
2502my $bug_warning = 0; 3732my $bug_warning = 0;
2503 3733
2504$TICK_WATCHER = Event->timer ( 3734our @WAIT_FOR_TICK;
2505 reentrant => 0, 3735our @WAIT_FOR_TICK_BEGIN;
2506 parked => 1, 3736
2507 prio => 0, 3737sub wait_for_tick {
2508 at => $NEXT_TICK || $TICK, 3738 return if tick_inhibit || $Coro::current == $Coro::main;
2509 data => WF_AUTOCANCEL, 3739
2510 cb => sub { 3740 my $signal = new Coro::Signal;
3741 push @WAIT_FOR_TICK, $signal;
3742 $signal->wait;
3743}
3744
3745sub wait_for_tick_begin {
3746 return if tick_inhibit || $Coro::current == $Coro::main;
3747
3748 my $signal = new Coro::Signal;
3749 push @WAIT_FOR_TICK_BEGIN, $signal;
3750 $signal->wait;
3751}
3752
3753sub tick {
2511 if ($Coro::current != $Coro::main) { 3754 if ($Coro::current != $Coro::main) {
2512 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3755 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513 unless ++$bug_warning > 10; 3756 unless ++$bug_warning > 10;
2514 return; 3757 return;
2515 } 3758 }
2516 3759
2517 $NOW = Event::time;
2518
2519 cf::server_tick; # one server iteration 3760 cf::server_tick; # one server iteration
2520 $RUNTIME += $TICK;
2521 $NEXT_TICK += $TICK;
2522 3761
2523 $WAIT_FOR_TICK->broadcast; 3762 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3763 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525 3764 Coro::async_pool {
2526 Event::sweep; 3765 $Coro::current->{desc} = "runtime saver";
2527 Coro::cede_notself;
2528
2529# my $AFTER = Event::time;
2530# warn $AFTER - $NOW;#d#
2531
2532 # if we are delayed by four ticks or more, skip them all
2533 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535 $TICK_WATCHER->at ($NEXT_TICK);
2536 $TICK_WATCHER->start;
2537 },
2538);
2539
2540IO::AIO::max_poll_time $TICK * 0.1;
2541
2542undef $Coro::AIO::WATCHER;
2543$AIO_POLL_WATCHER = Event->io (
2544 reentrant => 0,
2545 fd => IO::AIO::poll_fileno,
2546 poll => 'r',
2547 prio => 6,
2548 data => WF_AUTOCANCEL,
2549 cb => \&IO::AIO::poll_cb,
2550);
2551
2552$WRITE_RUNTIME_WATCHER = Event->timer (
2553 reentrant => 0,
2554 data => WF_AUTOCANCEL,
2555 after => 1,
2556 interval => 10,
2557 prio => 6, # keep it lowest so it acts like a watchdog
2558 cb => Coro::unblock_sub {
2559 write_runtime 3766 write_runtime_sync
2560 or warn "ERROR: unable to write runtime file: $!"; 3767 or warn "ERROR: unable to write runtime file: $!";
3768 };
2561 }, 3769 }
2562); 3770
3771 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3772 $sig->send;
3773 }
3774 while (my $sig = shift @WAIT_FOR_TICK) {
3775 $sig->send;
3776 }
3777
3778 $LOAD = ($NOW - $TICK_START) / $TICK;
3779 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3780
3781 if (0) {
3782 if ($NEXT_TICK) {
3783 my $jitter = $TICK_START - $NEXT_TICK;
3784 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3785 warn "jitter $JITTER\n";#d#
3786 }
3787 }
3788}
3789
3790{
3791 # configure BDB
3792
3793 BDB::min_parallel 8;
3794 BDB::max_poll_reqs $TICK * 0.1;
3795 $AnyEvent::BDB::WATCHER->priority (1);
3796
3797 unless ($DB_ENV) {
3798 $DB_ENV = BDB::db_env_create;
3799 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3800 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3801 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3802 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3803 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3804
3805 cf::sync_job {
3806 eval {
3807 BDB::db_env_open
3808 $DB_ENV,
3809 $BDBDIR,
3810 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3811 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3812 0666;
3813
3814 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3815 };
3816
3817 cf::cleanup "db_env_open(db): $@" if $@;
3818 };
3819 }
3820
3821 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3822 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3823 };
3824 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3825 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3826 };
3827 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3828 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3829 };
3830}
3831
3832{
3833 # configure IO::AIO
3834
3835 IO::AIO::min_parallel 8;
3836 IO::AIO::max_poll_time $TICK * 0.1;
3837 undef $AnyEvent::AIO::WATCHER;
3838}
3839
3840my $_log_backtrace;
3841
3842sub _log_backtrace {
3843 my ($msg, @addr) = @_;
3844
3845 $msg =~ s/\n//;
3846
3847 # limit the # of concurrent backtraces
3848 if ($_log_backtrace < 2) {
3849 ++$_log_backtrace;
3850 my $perl_bt = Carp::longmess $msg;
3851 async {
3852 $Coro::current->{desc} = "abt $msg";
3853
3854 my @bt = fork_call {
3855 @addr = map { sprintf "%x", $_ } @addr;
3856 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3857 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3858 or die "addr2line: $!";
3859
3860 my @funcs;
3861 my @res = <$fh>;
3862 chomp for @res;
3863 while (@res) {
3864 my ($func, $line) = splice @res, 0, 2, ();
3865 push @funcs, "[$func] $line";
3866 }
3867
3868 @funcs
3869 };
3870
3871 LOG llevInfo, "[ABT] $perl_bt\n";
3872 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace;
3875 };
3876 } else {
3877 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n";
3879 }
3880}
3881
3882# load additional modules
3883use cf::pod;
2563 3884
2564END { cf::emergency_save } 3885END { cf::emergency_save }
2565 3886
25661 38871
2567 3888

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