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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.234 by root, Thu Apr 5 13:44:31 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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;
9use Event; 31use EV;
10use Opcode; 32use Opcode;
11use Safe; 33use Safe;
12use Safe::Hole; 34use Safe::Hole;
35use Storable ();
13 36
14use Coro 3.52 (); 37use Coro ();
15use Coro::State; 38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
16use Coro::Event; 41use Coro::AnyEvent;
17use Coro::Timer; 42use Coro::Timer;
18use Coro::Signal; 43use Coro::Signal;
19use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
20use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
21 50
51use JSON::XS 2.01 ();
22use BDB (); 52use BDB ();
23use Data::Dumper; 53use Data::Dumper;
24use Digest::MD5; 54use Digest::MD5;
25use Fcntl; 55use Fcntl;
26use YAML::Syck (); 56use YAML ();
27use IO::AIO 2.32 (); 57use IO::AIO ();
28use Time::HiRes; 58use Time::HiRes;
29use Compress::LZF; 59use Compress::LZF;
60use Digest::MD5 ();
61
62AnyEvent::detect;
30 63
31# configure various modules to our taste 64# configure various modules to our taste
32# 65#
66$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 69
36$Event::Eval = 1; # no idea why this is required, but it is
37
38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39$YAML::Syck::ImplicitUnicode = 1;
40
41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42 71
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44 73
45our %COMMAND = (); 74our %COMMAND = ();
46our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
47 76
48our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
52 82
53our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
54our @EVENT; 84our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 85
57our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
58our $TICK_WATCHER; 87our $DATADIR = datadir;
59our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 101our $NEXT_TICK;
62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
64 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
65our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 107our $DB_ENV;
67 108
68our %CFG; 109our %CFG;
69 110
70our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 112our $RUNTIME;
113our $NOW;
72 114
73our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 118
82# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
85binmode STDOUT; 127binmode STDOUT;
86binmode STDERR; 128binmode STDERR;
87 129
88# read virtual server time, if available 130# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
93} 135}
94 136
95mkdir cf::localdir; 137mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 139
102our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
103 141
104sub cf::map::normalise; 142sub cf::map::normalise;
105 143
116=item $cf::RUNTIME 154=item $cf::RUNTIME
117 155
118The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 157every server tick.
120 158
121=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 162
123The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
125 167
126=item $cf::NOW 168=item $cf::NOW
127 169
128The time of the last (current) server tick. 170The time of the last (current) server tick.
129 171
130=item $cf::TICK 172=item $cf::TICK
131 173
132The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
133 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
134=item %cf::CFG 186=item %cf::CFG
135 187
136Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137from wherever your confdir points to. 189from wherever your confdir points to.
138 190
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
140 192
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 194returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
145 202
146=back 203=back
147 204
148=cut 205=cut
149 206
150BEGIN { 207BEGIN {
151 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 209 my $msg = join "", @_;
153 utf8::encode $msg;
154 210
155 $msg .= "\n" 211 $msg .= "\n"
156 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
157 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
158 LOG llevError, $msg; 216 LOG llevError, $msg;
159 }; 217 };
160} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
161 234
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 242
169# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 244# within the Safe compartment.
171for my $pkg (qw( 245for my $pkg (qw(
172 cf::global cf::attachable 246 cf::global cf::attachable
173 cf::object cf::object::player 247 cf::object cf::object::player
174 cf::client cf::player 248 cf::client cf::player
175 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
176 cf::map cf::party cf::region 251 cf::party cf::region
177)) { 252)) {
178 no strict 'refs';
179 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180} 254}
181 255
182$Event::DIED = sub { 256$EV::DIED = sub {
183 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
184}; 258};
259
260#############################################################################
185 261
186=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
187 263
188=over 4 264=over 4
189 265
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 285 $d
210 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
211} 287}
212 288
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
216 290
217Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
218 292
219=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
220 294
221Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
296
297=cut
298
299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300
301sub encode_json($) { $json_coder->encode ($_[0]) }
302sub decode_json($) { $json_coder->decode ($_[0]) }
222 303
223=item cf::lock_wait $string 304=item cf::lock_wait $string
224 305
225Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
226 307
229Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
230a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
232returned. 313returned.
233 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
234Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
236 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
237=cut 325=cut
238 326
239our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
240 329
241sub lock_wait($) { 330sub lock_wait($) {
242 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
243 337
244 # wait for lock, if any 338 # wait for lock, if any
245 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 341 Coro::schedule;
253 347
254 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
255 lock_wait $key; 349 lock_wait $key;
256 350
257 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
258 353
259 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
262 } 358 }
263} 359}
264 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
265sub freeze_mainloop { 367sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
267 369
268 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
269 $TICK_WATCHER->start; 371}
372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
270 }; 431 }
271 $TICK_WATCHER->stop; 432};
272 $guard 433
434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
273} 446}
274 447
275=item cf::async { BLOCK } 448=item cf::async { BLOCK }
276 449
277Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
282 455
283BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
284 457
285=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
286 459
287The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
290 464
291If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
294fast or be very important. 468fast or be very important.
297 471
298sub sync_job(&) { 472sub sync_job(&) {
299 my ($job) = @_; 473 my ($job) = @_;
300 474
301 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
302 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
304 480
305 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 482
307 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
308 484
309 my $busy = 1; 485 my $busy = 1;
310 my @res; 486 my @res;
311 487
312 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 490 @res = eval { $job->() };
314 warn $@ if $@; 491 warn $@ if $@;
315 undef $busy; 492 undef $busy;
316 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
317 494
318 while ($busy) { 495 while ($busy) {
319 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
320 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
321 506
322 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
323 } else { 508 } else {
324 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
325 510
345 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
346 531
347 $coro 532 $coro
348} 533}
349 534
350sub write_runtime { 535=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 536
353 my $runtime = cf::localdir . "/runtime"; 537Executes the given code block with the given arguments in a seperate
538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
354 541
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
356 or return;
357 543
358 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 546
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
363 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
364 550
365 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 552 reset_signals;
367 and return; 553 &$cb
554 }, @args;
368 555
369 close $fh 556 wantarray ? @res : $res[-1]
370 or return; 557}
371 558
372 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
373 and return;
374 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
375 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
376} 711}
377 712
378=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
379 714
380Log a datalog packet of the given type with the given key-value pairs. 715Log a datalog packet of the given type with the given key-value pairs.
398attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
400 735
401In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 738Deliantra).
404 739
405=over 4 740=over 4
406 741
407=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
408 743
571 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
572 907
573 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 912
578 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 914 my $pkg = shift @arg;
580 915
581 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
611 } 946 }
612 947
613 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
614 } else { 949 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 951 }
617 952
618 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
619} 954}
620 955
622 if (ref $_[0]) { 957 if (ref $_[0]) {
623 _object_attach @_; 958 _object_attach @_;
624 } else { 959 } else {
625 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
626 } 961 }
962 _recalc_want;
627}; 963};
628 964
629# all those should be optimised 965# all those should be optimised
630sub cf::attachable::detach { 966sub cf::attachable::detach {
631 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
635 reattach ($obj); 971 reattach ($obj);
636 } else { 972 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
638 } 974 }
975 _recalc_want;
639}; 976};
640 977
641sub cf::attachable::attached { 978sub cf::attachable::attached {
642 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
643 980
658 "; 995 ";
659 die if $@; 996 die if $@;
660} 997}
661 998
662our $override; 999our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 1001
665sub override { 1002sub override {
666 $override = 1; 1003 $override = 1;
667 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
668} 1005}
669 1006
670sub do_invoke { 1007sub do_invoke {
671 my $event = shift; 1008 my $event = shift;
672 my $callbacks = shift; 1009 my $callbacks = shift;
673 1010
674 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
675 1012
676 local $override; 1013 local $override;
677 1014
678 for (@$callbacks) { 1015 for (@$callbacks) {
679 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
688 } 1025 }
689 1026
690 0 1027 0
691} 1028}
692 1029
693=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694 1031
695=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696 1033
697Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
698 1035
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 1039
703=back 1040=back
704 1041
705=cut 1042=cut
706 1043
707############################################################################# 1044#############################################################################
708# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
709 1088
710sub reattach { 1089sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1091 my ($obj) = @_;
713 1092
1093 # no longer needed after getting rid of delete_package?
714 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
715 1095
716 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
717 1097
718 @$registry = (); 1098 @$registry = ();
719 1099
734cf::attachable->attach ( 1114cf::attachable->attach (
735 prio => -1000000, 1115 prio => -1000000,
736 on_instantiate => sub { 1116 on_instantiate => sub {
737 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
738 1118
739 $data = from_json $data; 1119 $data = decode_json $data;
740 1120
741 for (@$data) { 1121 for (@$data) {
742 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
743 1123
744 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
760sub object_freezer_save { 1140sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
762 1142
763 sync_job { 1143 sync_job {
764 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
767 1148
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1152 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1153 aio_close $fh;
773 1154
774 if (@$objs) { 1155 if (@$objs) {
775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1160 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1161 aio_close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
782 } 1163 }
783 } else { 1164 } else {
784 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
785 } 1166 }
790 } 1171 }
791 } else { 1172 } else {
792 aio_unlink $filename; 1173 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
794 } 1175 }
795 } 1176 };
796} 1177}
797 1178
798sub object_freezer_as_string { 1179sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
800 1181
812 or return; 1193 or return;
813 1194
814 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
816 or return; 1197 or return;
1198
817 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
818 } 1201 }
819 1202
1203 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
822 return ($data, $av); 1207 ($data, $av)
823} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
824 1215
825############################################################################# 1216#############################################################################
826# command handling &c 1217# command handling &c
827 1218
828=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1233}
843 1234
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1236
846Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
847 1242
848If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
849called. 1244called.
850 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
851=cut 1257=cut
852 1258
853sub register_extcmd { 1259sub register_extcmd {
854 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
855 1261
856 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
857} 1269}
858 1270
859cf::player->attach ( 1271cf::player->attach (
860 on_command => sub { 1272 on_command => sub {
861 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
870 cf::override; 1282 cf::override;
871 }, 1283 },
872 on_extcmd => sub { 1284 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
874 1286
875 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1288
877 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
883 } else { 1304 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1306 }
886 1307
887 cf::override; 1308 cf::override;
888 }, 1309 },
889); 1310);
890 1311
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
926 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1317 next unless -r $path;
928 eval { 1318
929 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
930 1 1375 }
931 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
932 } 1381 };
933} 1382}
934 1383
935############################################################################# 1384#############################################################################
936 1385
1386=back
1387
937=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
938 1389
939Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
940 1391
941=cut 1392=cut
946 1397
947=head3 cf::player 1398=head3 cf::player
948 1399
949=over 4 1400=over 4
950 1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1415
951=item cf::player::find $login 1416=item cf::player::find $login
952 1417
953Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
954 1419
955=cut 1420=cut
956 1421
957sub playerdir($) { 1422sub playerdir($) {
958 cf::localdir 1423 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1425}
964 1426
965sub path($) { 1427sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl"; 1458 aio_unlink +(playerdir $login) . "/$login.pl";
997 1459
998 my $pl = load_pl path $login 1460 my $f = new_from_file cf::object::thawer path $login
999 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
1000 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1001 } 1469 }
1002 } 1470 }
1003} 1471}
1004 1472
1013 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1014 1482
1015 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1016 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1017 1485
1486 cf::get_slot 0.01;
1487
1018 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1019 Coro::cede; 1489 cf::cede_to_tick;
1020} 1490}
1021 1491
1022sub new($) { 1492sub new($) {
1023 my ($login) = @_; 1493 my ($login) = @_;
1024 1494
1030 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1031 1501
1032 $self 1502 $self
1033} 1503}
1034 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1035=item $pl->quit_character 1515=item $pl->quit_character
1036 1516
1037Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1038be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1039 1519
1043 my ($pl) = @_; 1523 my ($pl) = @_;
1044 1524
1045 my $name = $pl->ob->name; 1525 my $name = $pl->ob->name;
1046 1526
1047 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1048 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1049 1529
1050 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1051 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1052 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1053 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1054 1536
1055 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1056 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1086while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1087 1569
1088=cut 1570=cut
1089 1571
1090sub list_logins { 1572sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1092 or return []; 1574 or return [];
1093 1575
1094 my @logins; 1576 my @logins;
1095 1577
1096 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1100 1588
1101 utf8::decode $login; 1589 utf8::decode $login;
1102 push @logins, $login; 1590 push @logins, $login;
1103 } 1591 }
1104 1592
1131 } 1619 }
1132 1620
1133 \@paths 1621 \@paths
1134} 1622}
1135 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1136=item $player->ext_reply ($msgid, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1137 1629
1138Sends an ext reply to the player. 1630Sends an ext reply to the player.
1139 1631
1140=cut 1632=cut
1141 1633
1142sub ext_reply($$%) { 1634sub ext_reply($$@) {
1143 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1144 1636
1145 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1146
1147 $self->send ("ext " . cf::to_json \%msg);
1148} 1638}
1149 1639
1150=item $player->ext_event ($type, %msg) 1640=item $player->ext_msg ($type, @msg)
1151 1641
1152Sends an ext event to the client. 1642Sends an ext event to the client.
1153 1643
1154=cut 1644=cut
1155 1645
1156sub ext_event($$%) { 1646sub ext_msg($$@) {
1157 my ($self, $type, %msg) = @_; 1647 my ($self, $type, @msg) = @_;
1158 1648
1159 $self->ns->ext_event ($type, %msg); 1649 $self->ns->ext_msg ($type, @msg);
1160} 1650}
1161 1651
1162package cf; 1652=head3 cf::region
1653
1654=over 4
1655
1656=cut
1657
1658package cf::region;
1659
1660=item cf::region::find_by_path $path
1661
1662Tries to decuce the likely region for a map knowing only its path.
1663
1664=cut
1665
1666sub find_by_path($) {
1667 my ($path) = @_;
1668
1669 my ($match, $specificity);
1670
1671 for my $region (list) {
1672 if ($region->{match} && $path =~ $region->{match}) {
1673 ($match, $specificity) = ($region, $region->specificity)
1674 if $region->specificity > $specificity;
1675 }
1676 }
1677
1678 $match
1679}
1163 1680
1164=back 1681=back
1165
1166 1682
1167=head3 cf::map 1683=head3 cf::map
1168 1684
1169=over 4 1685=over 4
1170 1686
1182our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1183our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1184 1700
1185sub generate_random_map { 1701sub generate_random_map {
1186 my ($self, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705
1187 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1188 $self->_create_random_map ( 1707 $self->_create_random_map (
1189 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1190 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1191 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1225 my ($self, $merge) = @_; 1744 my ($self, $merge) = @_;
1226 1745
1227 # we have to keep some variables in memory intact 1746 # we have to keep some variables in memory intact
1228 local $self->{path}; 1747 local $self->{path};
1229 local $self->{load_path}; 1748 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232 1749
1233 $self->SUPER::thawer_merge ($merge); 1750 $self->SUPER::thawer_merge ($merge);
1234} 1751}
1235 1752
1236sub normalise { 1753sub normalise {
1283 $self->init; # pass $1 etc. 1800 $self->init; # pass $1 etc.
1284 return $self; 1801 return $self;
1285 } 1802 }
1286 } 1803 }
1287 1804
1288 Carp::carp "unable to resolve path '$path' (base '$base')."; 1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1289 () 1806 ()
1290} 1807}
1291 1808
1292sub init { 1809sub init {
1293 my ($self) = @_; 1810 my ($self) = @_;
1308 1825
1309# the original (read-only) location 1826# the original (read-only) location
1310sub load_path { 1827sub load_path {
1311 my ($self) = @_; 1828 my ($self) = @_;
1312 1829
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1830 "$MAPDIR/$self->{path}.map"
1314} 1831}
1315 1832
1316# the temporary/swap location 1833# the temporary/swap location
1317sub save_path { 1834sub save_path {
1318 my ($self) = @_; 1835 my ($self) = @_;
1319 1836
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1838 "$TMPDIR/$path.map"
1322} 1839}
1323 1840
1324# the unique path, undef == no special unique path 1841# the unique path, undef == no special unique path
1325sub uniq_path { 1842sub uniq_path {
1326 my ($self) = @_; 1843 my ($self) = @_;
1327 1844
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1846 "$UNIQUEDIR/$path"
1330} 1847}
1331 1848
1332# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1333# all maps in C++... 1850# all maps in C++...
1334sub change_all_map_light { 1851sub change_all_map_light {
1336 1853
1337 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1338 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1339} 1856}
1340 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1341sub unlink_save { 1866sub unlink_save {
1342 my ($self) = @_; 1867 my ($self) = @_;
1343 1868
1344 utf8::encode (my $save = $self->save_path); 1869 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1348 1873
1349sub load_header_from($) { 1874sub load_header_from($) {
1350 my ($self, $path) = @_; 1875 my ($self, $path) = @_;
1351 1876
1352 utf8::encode $path; 1877 utf8::encode $path;
1353 #aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1354 # or return;
1355
1356 $self->_load_header ($path)
1357 or return; 1879 or return;
1880
1881 $self->_load_header ($f)
1882 or return;
1883
1884 local $MAP_LOADING{$self->{path}} = $self;
1885 $f->resolve_delayed_derefs;
1358 1886
1359 $self->{load_path} = $path; 1887 $self->{load_path} = $path;
1360 1888
1361 1 1889 1
1362} 1890}
1401 $self->load_header_orig 1929 $self->load_header_orig
1402 or return; 1930 or return;
1403 $self->prepare_orig; 1931 $self->prepare_orig;
1404 } 1932 }
1405 1933
1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1936
1937 $self->default_region (cf::region::find_by_path $self->{path})
1938 unless $self->default_region;
1939
1406 1 1940 1
1407} 1941}
1408 1942
1409sub find; 1943sub find;
1410sub find { 1944sub find {
1411 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1412 1946
1413 $path = normalise $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1414 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1415 cf::lock_wait "map_find:$path"; 1950 cf::lock_wait "map_find:$path";
1416 1951
1417 $cf::MAP{$path} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1418 my $guard = cf::lock_acquire "map_find:$path"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1419 my $map = new_from_path cf::map $path 1956 my $map = new_from_path cf::map $path
1420 or return; 1957 or return;
1421 1958
1422 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1423 1960
1424 $map->load_header 1961 $map->load_header
1425 or return; 1962 or return;
1426 1963
1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously 1965 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait; 1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1430 $map->reset; 1969 $map->reset;
1431 undef $guard;
1432 return find $path; 1970 return find $path;
1433 } 1971 }
1434 1972
1435 $cf::MAP{$path} = $map 1973 $cf::MAP{$path} = $map
1436 } 1974 }
1443 my ($self) = @_; 1981 my ($self) = @_;
1444 1982
1445 local $self->{deny_reset} = 1; # loading can take a long time 1983 local $self->{deny_reset} = 1; # loading can take a long time
1446 1984
1447 my $path = $self->{path}; 1985 my $path = $self->{path};
1986
1987 {
1448 my $guard = cf::lock_acquire "map_load:$path"; 1988 my $guard = cf::lock_acquire "map_data:$path";
1449 1989
1990 return unless $self->valid;
1450 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1451 1992
1452 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1453 1994
1454 $self->alloc; 1995 $self->alloc;
1455 1996
1456 $self->pre_load; 1997 $self->pre_load;
1998 cf::cede_to_tick;
1457 1999
1458 $self->_load_objects ($self->{load_path}, 1) 2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
2002 $self->_load_objects ($f)
1459 or return; 2003 or return;
1460 2004
1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1462 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1463 2007
1464 if (my $uniq = $self->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1465 utf8::encode $uniq; 2009 utf8::encode $uniq;
1466 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1467 $self->clear_unique_items; 2012 $self->clear_unique_items;
1468 $self->_load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1469 } 2016 }
1470 } 2017 }
1471 2018
1472 Coro::cede; 2019 $f->resolve_delayed_derefs;
1473 2020
2021 cf::cede_to_tick;
1474 # now do the right thing for maps 2022 # now do the right thing for maps
1475 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1476
1477 unless ($self->{deny_activate}) {
1478 $self->decay_objects;
1479 $self->fix_auto_apply;
1480 $self->update_buttons;
1481 Coro::cede;
1482 $self->set_darkness_map;
1483 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1484 unless $self->difficulty; 2025 unless $self->difficulty;
1485 Coro::cede; 2026 cf::cede_to_tick;
2027
2028 unless ($self->{deny_activate}) {
2029 $self->decay_objects;
2030 $self->fix_auto_apply;
2031 $self->update_buttons;
2032 cf::cede_to_tick;
2033 $self->set_darkness_map;
2034 cf::cede_to_tick;
1486 $self->activate; 2035 $self->activate;
2036 }
2037
2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
2040
2041 $self->in_memory (cf::MAP_ACTIVE);
1487 } 2042 }
1488 2043
1489 $self->post_load; 2044 $self->post_load;
1490
1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492} 2045}
1493 2046
1494sub customise_for { 2047sub customise_for {
1495 my ($self, $ob) = @_; 2048 my ($self, $ob) = @_;
1496 2049
1497 return find "~" . $ob->name . "/" . $self->{path} 2050 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player; 2051 if $self->per_player;
1499 2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
1500 $self 2056 $self
1501} 2057}
1502 2058
1503# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1504sub load_diag { 2060sub load_neighbours {
1505 my ($map) = @_; 2061 my ($map) = @_;
1506 2062
1507 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1508 2064
1509 for (0 .. 3) { 2065 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1511 or next; 2067 or next;
1512 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1513 or next; 2069 or next;
1514 $neigh->load; 2070 $neigh->load;
1515 2071
2072 push @neigh,
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 } 2075 }
1519 2076
1520 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1521 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1522 or next; 2080 or next;
1523 $neigh->load; 2081 $neigh->load;
1524 } 2082 }
1525} 2083}
1526 2084
1531} 2089}
1532 2090
1533sub do_load_sync { 2091sub do_load_sync {
1534 my ($map) = @_; 2092 my ($map) = @_;
1535 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1536 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1537} 2098}
1538 2099
1539our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef; 2101our $MAP_PREFETCHER = undef;
1541 2102
1542sub find_async { 2103sub find_async {
1543 my ($path, $origin) = @_; 2104 my ($path, $origin, $load) = @_;
1544 2105
1545 $path = normalise $path, $origin && $origin->{path}; 2106 $path = normalise $path, $origin && $origin->{path};
1546 2107
1547 if (my $map = $cf::MAP{$path}) { 2108 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1549 } 2110 }
1550 2111
1551 undef $MAP_PREFETCH{$path}; 2112 $MAP_PREFETCH{$path} |= $load;
2113
1552 $MAP_PREFETCHER ||= cf::async { 2114 $MAP_PREFETCHER ||= cf::async {
2115 $Coro::current->{desc} = "map prefetcher";
2116
1553 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) { 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1555 my $map = find $path 2119 if (my $map = find $k) {
1556 or next;
1557 $map->load; 2120 $map->load if $v;
2121 }
1558 2122
1559 delete $MAP_PREFETCH{$path}; 2123 delete $MAP_PREFETCH{$k};
1560 } 2124 }
1561 } 2125 }
1562 undef $MAP_PREFETCHER; 2126 undef $MAP_PREFETCHER;
1563 }; 2127 };
1564 $MAP_PREFETCHER->prio (6); 2128 $MAP_PREFETCHER->prio (6);
1567} 2131}
1568 2132
1569sub save { 2133sub save {
1570 my ($self) = @_; 2134 my ($self) = @_;
1571 2135
1572 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1573 2137
1574 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1575 2139
1576 return unless $self->dirty; 2140 return unless $self->dirty;
1577 2141
1583 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1584 2148
1585 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1586 2150
1587 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1588 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1589 }; 2154 };
2155
2156 cf::get_slot 0.02;
1590 2157
1591 if ($uniq) { 2158 if ($uniq) {
1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1593 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1594 } else { 2161 } else {
1600 my ($self) = @_; 2167 my ($self) = @_;
1601 2168
1602 # save first because save cedes 2169 # save first because save cedes
1603 $self->save; 2170 $self->save;
1604 2171
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2173
1607 return if $self->players; 2174 return if $self->players;
1608 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1609 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1610 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1611 $self->clear; 2182 $self->clear;
1612 $self->in_memory (cf::MAP_SWAPPED);
1613} 2183}
1614 2184
1615sub reset_at { 2185sub reset_at {
1616 my ($self) = @_; 2186 my ($self) = @_;
1617 2187
1618 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1620 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1621 2190
1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624 2193
1635 my ($self) = @_; 2204 my ($self) = @_;
1636 2205
1637 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2207
1639 return if $self->players; 2208 return if $self->players;
1640 return if $self->isa ("ext::map_per_player");#d#
1641 2209
1642 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
1643 2211
1644 $self->in_memory (cf::MAP_SWAPPED); 2212 $self->in_memory (cf::MAP_SWAPPED);
1645 2213
1646 # need to save uniques path 2214 # need to save uniques path
1647 unless ($self->{deny_save}) { 2215 unless ($self->{deny_save}) {
1651 if $uniq; 2219 if $uniq;
1652 } 2220 }
1653 2221
1654 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1655 2223
2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1656 $self->clear; 2226 $self->clear;
1657
1658 $_->clear_links_to ($self) for values %cf::MAP;
1659 2227
1660 $self->unlink_save; 2228 $self->unlink_save;
1661 $self->destroy; 2229 $self->destroy;
1662} 2230}
1663 2231
1664my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1665 2233
1666sub nuke { 2234sub nuke {
1667 my ($self) = @_; 2235 my ($self) = @_;
1668 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
1669 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1670 2241
1671 $self->unlink_save; 2242 $self->unlink_save;
1672 2243
1673 bless $self, "cf::map"; 2244 bless $self, "cf::map";
1674 delete $self->{deny_reset}; 2245 delete $self->{deny_reset};
1675 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1676 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678 2249
1679 $cf::MAP{$self->path} = $self; 2250 $cf::MAP{$self->path} = $self;
2251 }
1680 2252
1681 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
2254}
2255
2256=item $maps = cf::map::tmp_maps
2257
2258Returns an arrayref with all map paths of currently instantiated and saved
2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
2273
2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1682} 2290}
1683 2291
1684=item cf::map::unique_maps 2292=item cf::map::unique_maps
1685 2293
1686Returns an arrayref of paths of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1687instantiated unique items. May block. 2295instantiated unique items. May block.
1688 2296
1689=cut 2297=cut
1690 2298
1691sub unique_maps() { 2299sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2300 [
1693 or return; 2301 map {
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_; 2302 utf8::decode $_;
1699 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1700 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1701 2305 ? ()
1702 push @paths, cf::map::normalise $_; 2306 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] }
1703 } 2308 ]
1704
1705 \@paths
1706} 2309}
1707
1708package cf;
1709 2310
1710=back 2311=back
1711 2312
1712=head3 cf::object 2313=head3 cf::object
1713 2314
1717 2318
1718=over 4 2319=over 4
1719 2320
1720=item $ob->inv_recursive 2321=item $ob->inv_recursive
1721 2322
1722Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1723 2325
1724=cut 2326=cut
1725 2327
1726sub inv_recursive_; 2328sub inv_recursive_;
1727sub inv_recursive_ { 2329sub inv_recursive_ {
1730 2332
1731sub inv_recursive { 2333sub inv_recursive {
1732 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1733} 2335}
1734 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1735package cf; 2365package cf;
1736 2366
1737=back 2367=back
1738 2368
1739=head3 cf::object::player 2369=head3 cf::object::player
1745Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1746can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1747dialogue with the given NPC character. 2377dialogue with the given NPC character.
1748 2378
1749=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1750 2394
1751# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1752# with dialog boxes. 2396# with dialog boxes.
1753#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1754sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
1756 2400
1757 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758 2402
1759 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1760 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1761 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1762 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1763 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1764 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1765} 2428}
1766 2429
1767=item $player_object->may ("access") 2430=item $player_object->may ("access")
1768 2431
1769Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
1816 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1817 2480
1818 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1819 2482
1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1822 2485
1823 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1824} 2487}
1825 2488
1826sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1827 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1828 2493
1829 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1830 2495
1831 unless ($map) { 2496 unless ($map) {
1832 # restore original map position 2497 # restore original map position
1846 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1847 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1848 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1849 2514
1850 $map->load; 2515 $map->load;
1851 $map->load_diag; 2516 $map->load_neighbours;
1852 2517
1853 return unless $self->contr->active; 2518 return unless $self->contr->active;
1854 $self->activate_recursive; 2519 $self->activate_recursive;
1855 2520
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1858} 2523}
1859 2524
1860cf::player->attach ( 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861 on_logout => sub {
1862 my ($pl) = @_;
1863 2526
1864 # abort map switching before logout 2527Moves the player to the given map-path and coordinates by first freezing
1865 if ($pl->ob->{_link_pos}) { 2528her, loading and preparing them map, calling the provided $check callback
1866 cf::sync_job { 2529that has to return the map if sucecssful, and then unfreezes the player on
1867 $pl->ob->leave_link 2530the new (success) or old (failed) map position. In either case, $done will
1868 }; 2531be called at the end of this process.
1869 }
1870 },
1871 on_login => sub {
1872 my ($pl) = @_;
1873 2532
1874 # try to abort aborted map switching on player login :) 2533Note that $check will be called with a potentially non-loaded map, so if
1875 # should happen only on crashes 2534it needs a loaded map it has to call C<< ->load >>.
1876 if ($pl->ob->{_link_pos}) {
1877 $pl->ob->enter_link;
1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1885 Coro::Timer::sleep 1;
1886 $pl->ob->leave_link;
1887 })->prio (2);
1888 }
1889 },
1890);
1891 2535
1892=item $player_object->goto ($path, $x, $y)
1893
1894=cut 2536=cut
2537
2538our $GOTOGEN;
1895 2539
1896sub cf::object::player::goto { 2540sub cf::object::player::goto {
1897 my ($self, $path, $x, $y) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
2542
2543 # do generation counting so two concurrent goto's will be executed in-order
2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898 2545
1899 $self->enter_link; 2546 $self->enter_link;
1900 2547
1901 (async { 2548 (async {
2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
1902 my $map = eval { 2570 my $map = eval {
1903 my $map = cf::map::find $path; 2571 my $map = defined $path ? cf::map::find $path : undef;
2572
2573 if ($map) {
1904 $map = $map->customise_for ($self) if $map; 2574 $map = $map->customise_for ($self);
2575 $map = $check->($map) if $check && $map;
2576 } else {
2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579
1905 $map 2580 $map
2581 };
2582
2583 if ($@) {
2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2585 LOG llevError | logBacktrace, Carp::longmess $@;
1906 } or 2586 }
1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908 2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
1909 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
1910 })->prio (1); 2594 })->prio (1);
1911} 2595}
1912 2596
1913=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
1914 2598
1934} 2618}
1935 2619
1936sub prepare_random_map { 2620sub prepare_random_map {
1937 my ($exit) = @_; 2621 my ($exit) = @_;
1938 2622
1939 my $guard = cf::lock_acquire "exit_prepare:$exit";
1940
1941 # all this does is basically replace the /! path by 2623 # all this does is basically replace the /! path by
1942 # a new random map path (?random/...) with a seed 2624 # a new random map path (?random/...) with a seed
1943 # that depends on the exit object 2625 # that depends on the exit object
1944 2626
1945 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
1947 if ($exit->map) { 2629 if ($exit->map) {
1948 $rmp->{region} = $exit->region->name; 2630 $rmp->{region} = $exit->region->name;
1949 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
1950 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
1951 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
1952 } 2636 }
1953 2637
1954 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
1955 2639
1956 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1957 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2642 my $meta = "$RANDOMDIR/$md5.meta";
1959 2643
1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh; 2646 undef $fh;
1963 aio_rename "$meta~", $meta; 2647 aio_rename "$meta~", $meta;
1964 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
1965 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
1966 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
1967 } 2655 }
1968} 2656}
1969 2657
1970sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
1971 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
1972 2660
1973 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
1974 2662
1975 if ($exit->slaying eq "/!") {
1976 #TODO: this should de-fi-ni-te-ly not be a sync-job
1977 # the problem is that $exit might not survive long enough
1978 # so it needs to be done right now, right here
1979 cf::sync_job { prepare_random_map $exit };
1980 }
1981
1982 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1983 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp;
1985
1986 $self->enter_link; 2663 $self->enter_link;
1987 2664
1988 (async { 2665 (async {
1989 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
1990 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675 prepare_random_map $exit
2676 if $exit->slaying eq "/!";
2677 }
2678
2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
2682
1991 $self->goto ($slaying, $hp, $sp); 2683 $self->goto ($map, $x, $y);
1992 2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
1993 1; 2689 1
1994 }) { 2690 }) {
1995 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
1996 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
1997 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
1998 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
2019 2715
2020 utf8::encode $text; 2716 utf8::encode $text;
2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022} 2718}
2023 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2024=item $client->ext_event ($type, %msg) 2864=item $client->ext_msg ($type, @msg)
2025 2865
2026Sends an exti event to the client. 2866Sends an ext event to the client.
2027 2867
2028=cut 2868=cut
2029 2869
2030sub cf::client::ext_event($$%) { 2870sub cf::client::ext_msg($$@) {
2031 my ($self, $type, %msg) = @_; 2871 my ($self, $type, @msg) = @_;
2032 2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2033 $msg{msgtype} = "event_$type"; 2876 push @msg, msgtype => "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg); 2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2035} 2897}
2036 2898
2037=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
2038 2900
2039Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042 2904
2043Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
2044reliable at some point in the future. 2906become reliable at some point in the future.
2045 2907
2046=cut 2908=cut
2047 2909
2048sub cf::client::query { 2910sub cf::client::query {
2049 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
2057 utf8::encode $text; 2919 utf8::encode $text;
2058 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059 2921
2060 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
2061 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
2062} 2926}
2063 2927
2064cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
2065 on_reply => sub { 2934 on_reply => sub {
2066 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
2067 2936
2068 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
2069 # get handled first 2938 # get handled first
2081 } else { 2950 } else {
2082 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083 } 2952 }
2084 } 2953 }
2085 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
2086); 2981);
2087 2982
2088=item $client->async (\&cb) 2983=item $client->async (\&cb)
2089 2984
2090Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
2131our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
2132our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
2133 3028
2134$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2135 3030
2136$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2137 3036
2138# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2139 3038
2140=pod 3039=pod
2141 3040
2142The following functions and methods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2143 3042
2144 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2145 cf::object::player player 3047 cf::object::player
2146 cf::player peaceful 3048 player
2147 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2148 3055
2149=cut 3056=cut
2150 3057
2151for ( 3058for (
2152 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2153 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2154 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2155 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2156) { 3065) {
2157 no strict 'refs'; 3066 no strict 'refs';
2228=back 3137=back
2229 3138
2230=cut 3139=cut
2231 3140
2232############################################################################# 3141#############################################################################
2233
2234=head2 EXTENSION DATABASE SUPPORT
2235
2236Crossfire maintains a very simple database for extension use. It can
2237currently store anything that can be serialised using Storable, which
2238excludes objects.
2239
2240The parameter C<$family> should best start with the name of the extension
2241using it, it should be unique.
2242
2243=over 4
2244
2245=item $value = cf::db_get $family => $key
2246
2247Returns a single value from the database.
2248
2249=item cf::db_put $family => $key => $value
2250
2251Stores the given C<$value> in the family.
2252
2253=cut
2254
2255our $DB;
2256
2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2276
2277 cf::db_put (board => data => $pst->{board});
2278 cf::db_put (guildrules => data => $pst->{guildrules});
2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282 unlink $path;
2283 };
2284 }
2285 }
2286}
2287
2288sub db_get($$) {
2289 my $key = "$_[0]/$_[1]";
2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2299sub db_put($$$) {
2300 BDB::dbreq_pri 4;
2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions 3142# the server's init and main functions
2306 3143
2307sub load_facedata { 3144sub load_facedata($) {
2308 my $path = sprintf "%s/facedata", cf::datadir; 3145 my ($path) = @_;
3146
3147 # HACK to clear player env face cache, we need some signal framework
3148 # for this (global event?)
3149 %ext::player_env::MUSIC_FACE_CACHE = ();
3150
3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309 3152
2310 warn "loading facedata from $path\n"; 3153 warn "loading facedata from $path\n";
2311 3154
2312 my $faces; 3155 my $facedata;
2313 0 < aio_load $path, $faces 3156 0 < aio_load $path, $facedata
2314 or die "$path: $!"; 3157 or die "$path: $!";
2315 3158
2316 Coro::cede;
2317 $faces = Storable::thaw $faces; 3159 $facedata = Coro::Storable::thaw $facedata;
2318 Coro::cede;
2319 3160
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1 3161 $facedata->{version} == 2
2322 or cf::cleanup "$path: version mismatch, cannot proceed."; 3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323 3163
3164 # patch in the exptable
3165 $facedata->{resource}{"res/exp_table"} = {
3166 type => FT_RSRC,
3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3168 };
3169 cf::cede_to_tick;
3170
3171 {
3172 my $faces = $facedata->{faceinfo};
3173
2324 while (my ($face, $info) = each %$faces) { 3174 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3176
3177 cf::face::set_visibility $idx, $info->{visibility};
3178 cf::face::set_magicmap $idx, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329 Coro::cede;
2330 }
2331 3181
3182 cf::cede_to_tick;
3183 }
3184
2332 while (my ($face, $info) = each %$faces) { 3185 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth}; 3186 next unless $info->{smooth};
3187
2334 my $idx = cf::face::find $face 3188 my $idx = cf::face::find $face
2335 or next; 3189 or next;
3190
2336 if (my $smooth = cf::face::find $info->{smooth}) { 3191 if (my $smooth = cf::face::find $info->{smooth}) {
2337 cf::face::set_smooth $idx, $smooth; 3192 cf::face::set_smooth $idx, $smooth;
3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338 } else { 3194 } else {
2339 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
2340 } 3196 }
2341 Coro::cede; 3197
3198 cf::cede_to_tick;
3199 }
3200 }
3201
2342 } 3202 {
3203 my $anims = $facedata->{animinfo};
3204
3205 while (my ($anim, $info) = each %$anims) {
3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
3207 cf::cede_to_tick;
3208 }
3209
3210 cf::anim::invalidate_all; # d'oh
3211 }
3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2343 3247
2344 1 3248 1
2345} 3249}
2346 3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
3279sub load_resource_file($) {
3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
3294 load_resource_file "$MAPDIR/regions"
3295 or die "unable to load regions file\n";
3296
3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
3301}
3302
3303sub reload_facedata {
3304 load_facedata "$DATADIR/facedata"
3305 or die "unable to load facedata\n";
3306}
3307
3308sub reload_archetypes {
3309 load_resource_file "$DATADIR/archetypes"
3310 or die "unable to load archetypes\n";
3311}
3312
3313sub reload_treasures {
3314 load_resource_file "$DATADIR/treasures"
3315 or die "unable to load treasurelists\n";
3316}
3317
2347sub reload_resources { 3318sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3319 warn "reloading resource files...\n";
2349 or die "unable to load regions file\n";#d# 3320
2350 load_facedata 3321 reload_facedata;
2351 or die "unable to load facedata\n";#d# 3322 reload_archetypes;
3323 reload_regions;
3324 reload_treasures;
3325
3326 warn "finished reloading resource files\n";
2352} 3327}
2353 3328
2354sub init { 3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
2355 reload_resources; 3334 reload_resources;
2356} 3335}
2357 3336
2358sub cfg_load { 3337sub reload_config {
2359 open my $fh, "<:utf8", cf::confdir . "/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2360 or return; 3339 or return;
2361 3340
2362 local $/; 3341 local $/;
2363 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2364 3343
2365 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2366 3345
2367 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2368 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2379sub main { 3358sub main {
2380 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2381 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async { 3362 (async {
2384 Event::one_event; 3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
2385 })->prio (Coro::PRIO_MAX); 3365 })->prio (Coro::PRIO_MAX);
2386 }; 3366 };
2387 3367
2388 cfg_load; 3368 {
3369 my $guard = freeze_mainloop;
3370 reload_config;
2389 db_init; 3371 db_init;
2390 load_extensions; 3372 load_extensions;
2391 3373
2392 $TICK_WATCHER->start; 3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2393 Event::loop; 3377 EV::loop;
2394} 3378}
2395 3379
2396############################################################################# 3380#############################################################################
2397# initialisation and cleanup 3381# initialisation and cleanup
2398 3382
2399# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2400BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2401 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2402 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2403 reentrant => 0,
2404 data => WF_AUTOCANCEL,
2405 signal => $signal,
2406 prio => 0,
2407 cb => sub {
2408 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2409 },
2410 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2411 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2412} 3472}
2413 3473
2414sub emergency_save() { 3474sub emergency_save() {
2415 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2416 3476
2422 # and maps saved/destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2423 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2424 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2425 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2426 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427 $pl->save; 3488 $pl->save;
2428 } 3489 }
2429 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2430 3491
2431 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
2437 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
2438 3499
2439 warn "begin emergency database checkpoint\n"; 3500 warn "begin emergency database checkpoint\n";
2440 BDB::db_env_txn_checkpoint $DB_ENV; 3501 BDB::db_env_txn_checkpoint $DB_ENV;
2441 warn "end emergency database checkpoint\n"; 3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2442 }; 3507 };
2443 3508
2444 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2445} 3510}
2446 3511
2449 3514
2450 warn Carp::longmess "post_cleanup backtrace" 3515 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core; 3516 if $make_core;
2452} 3517}
2453 3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
3546
2454sub reload() { 3547sub do_reload_perl() {
2455 # can/must only be called in main 3548 # can/must only be called in main
2456 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2457 warn "can only reload from main coroutine"; 3550 warn "can only reload from main coroutine";
2458 return; 3551 return;
2459 } 3552 }
2460 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2461 warn "reloading..."; 3557 warn "reloading...";
2462 3558
2463 warn "entering sync_job"; 3559 warn "entering sync_job";
2464 3560
2465 cf::sync_job { 3561 cf::sync_job {
2466 cf::write_runtime; # external watchdog should not bark 3562 cf::write_runtime_sync; # external watchdog should not bark
2467 cf::emergency_save; 3563 cf::emergency_save;
2468 cf::write_runtime; # external watchdog should not bark 3564 cf::write_runtime_sync; # external watchdog should not bark
2469 3565
2470 warn "syncing database to disk"; 3566 warn "syncing database to disk";
2471 BDB::db_env_txn_checkpoint $DB_ENV; 3567 BDB::db_env_txn_checkpoint $DB_ENV;
2472 3568
2473 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2474 3570
2475 warn "cancelling all WF_AUTOCANCEL watchers";
2476 for (Event::all_watchers) {
2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2478 }
2479
2480 warn "flushing outstanding aio requests"; 3571 warn "flushing outstanding aio requests";
2481 for (;;) {
2482 BDB::flush;
2483 IO::AIO::flush;
2484 Coro::cede;
2485 last unless IO::AIO::nreqs || BDB::nreqs; 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2486 warn "iterate..."; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2487 }
2488
2489 ++$RELOAD;
2490
2491 warn "cancelling all extension coros";
2492 $_->cancel for values %EXT_CORO;
2493 %EXT_CORO = ();
2494
2495 warn "removing commands";
2496 %COMMAND = ();
2497
2498 warn "removing ext commands";
2499 %EXTCMD = ();
2500
2501 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) {
2503 warn "... unloading $pkg";
2504
2505 if (my $cb = $pkg->can ("unload")) {
2506 eval {
2507 $cb->($pkg);
2508 1
2509 } or warn "$pkg unloaded, but with errors: $@";
2510 } 3574 }
2511 3575
2512 warn "... nuking $pkg"; 3576 warn "cancelling all extension coros";
2513 Symbol::delete_package $pkg; 3577 $_->cancel for values %EXT_CORO;
2514 } 3578 %EXT_CORO = ();
2515 3579
2516 warn "unloading all perl modules loaded from $LIBDIR"; 3580 warn "removing commands";
2517 while (my ($k, $v) = each %INC) { 3581 %COMMAND = ();
2518 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2519 3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2520 warn "... unloading $k"; 3589 warn "... unloading $pkg";
2521 delete $INC{$k};
2522 3590
2523 $k =~ s/\.pm$//;
2524 $k =~ s/\//::/g;
2525
2526 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2527 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2528 } 3600 }
2529 3601
2530 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2531 } 3617 }
2532 3618
2533 warn "getting rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2534 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536 3622
2537 warn "unloading cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2538 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
3625 delete $INC{"cf/pod.pm"};
2539 3626
2540 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2541 # and global variables created in xs 3628 # and global variables created in xs
2542 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2543 3630
2544 warn "unload completed, starting to reload now"; 3631 warn "unload completed, starting to reload now";
2545 3632
2546 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2547 require cf; 3634 require cf;
2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549 3636
2550 warn "loading config and database again"; 3637 warn "loading config and database again";
2551 cf::cfg_load; 3638 cf::reload_config;
2552 3639
2553 warn "loading extensions"; 3640 warn "loading extensions";
2554 cf::load_extensions; 3641 cf::load_extensions;
2555 3642
2556 warn "reattaching attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2557 _global_reattach; # objects, sockets 3644 _global_reattach; # objects, sockets
2558 warn "reattaching attachments to maps"; 3645 warn "reattaching attachments to maps";
2559 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
2560 warn "reattaching attachments to players"; 3647 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER; 3648 reattach $_ for values %PLAYER;
2562 3649
2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job"; 3650 warn "leaving sync_job";
2567 3651
2568 1 3652 1
2569 } or do { 3653 } or do {
2570 warn $@; 3654 warn $@;
2571 warn "error while reloading, exiting."; 3655 cf::cleanup "error while reloading, exiting.";
2572 exit 1; 3656 };
3657
3658 warn "reloaded";
3659 --$RELOAD;
3660 }
3661};
3662
3663our $RELOAD_WATCHER; # used only during reload
3664
3665sub reload_perl() {
3666 # doing reload synchronously and two reloads happen back-to-back,
3667 # coro crashes during coro_state_free->destroy here.
3668
3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3670 do_reload_perl;
3671 undef $RELOAD_WATCHER;
2573 }; 3672 };
2574 3673}
2575 warn "reloaded";
2576};
2577
2578our $RELOAD_WATCHER; # used only during reload
2579 3674
2580register_command "reload" => sub { 3675register_command "reload" => sub {
2581 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2582 3677
2583 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2584 $who->message ("reloading server."); 3679 $who->message ("reloading server.");
2585 3680 async {
2586 # doing reload synchronously and two reloads happen back-to-back, 3681 $Coro::current->{desc} = "perl_reload";
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2594 reload; 3682 reload_perl;
2595 undef $RELOAD_WATCHER;
2596 },
2597 ); 3683 };
2598 } 3684 }
2599}; 3685};
2600 3686
2601unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2602 3688
2603my $bug_warning = 0; 3689my $bug_warning = 0;
2604 3690
2605$TICK_WATCHER = Event->timer ( 3691our @WAIT_FOR_TICK;
2606 reentrant => 0, 3692our @WAIT_FOR_TICK_BEGIN;
2607 parked => 1, 3693
2608 prio => 0, 3694sub wait_for_tick {
2609 at => $NEXT_TICK || $TICK, 3695 return if tick_inhibit || $Coro::current == $Coro::main;
2610 data => WF_AUTOCANCEL, 3696
2611 cb => sub { 3697 my $signal = new Coro::Signal;
3698 push @WAIT_FOR_TICK, $signal;
3699 $signal->wait;
3700}
3701
3702sub wait_for_tick_begin {
3703 return if tick_inhibit || $Coro::current == $Coro::main;
3704
3705 my $signal = new Coro::Signal;
3706 push @WAIT_FOR_TICK_BEGIN, $signal;
3707 $signal->wait;
3708}
3709
3710sub tick {
2612 if ($Coro::current != $Coro::main) { 3711 if ($Coro::current != $Coro::main) {
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10; 3713 unless ++$bug_warning > 10;
2615 return; 3714 return;
2616 } 3715 }
2617 3716
2618 $NOW = Event::time;
2619
2620 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2621 $RUNTIME += $TICK;
2622 $NEXT_TICK += $TICK;
2623 3718
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10; 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626 Coro::async_pool { 3721 Coro::async_pool {
3722 $Coro::current->{desc} = "runtime saver";
2627 write_runtime 3723 write_runtime_sync
2628 or warn "ERROR: unable to write runtime file: $!"; 3724 or warn "ERROR: unable to write runtime file: $!";
2629 };
2630 } 3725 };
2631
2632 $WAIT_FOR_TICK->broadcast;
2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2637
2638 # if we are delayed by four ticks or more, skip them all
2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641 $TICK_WATCHER->at ($NEXT_TICK);
2642 $TICK_WATCHER->start;
2643 }, 3726 }
2644); 3727
3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729 $sig->send;
3730 }
3731 while (my $sig = shift @WAIT_FOR_TICK) {
3732 $sig->send;
3733 }
3734
3735 $LOAD = ($NOW - $TICK_START) / $TICK;
3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737
3738 if (0) {
3739 if ($NEXT_TICK) {
3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
3744 }
3745}
2645 3746
2646{ 3747{
2647 BDB::max_poll_time $TICK * 0.1; 3748 # configure BDB
2648 $BDB_POLL_WATCHER = Event->io ( 3749
2649 reentrant => 0,
2650 fd => BDB::poll_fileno,
2651 poll => 'r',
2652 prio => 0,
2653 data => WF_AUTOCANCEL,
2654 cb => \&BDB::poll_cb,
2655 );
2656 BDB::min_parallel 8; 3750 BDB::min_parallel 8;
2657 3751 BDB::max_poll_reqs $TICK * 0.1;
2658 BDB::set_sync_prepare { 3752 $AnyEvent::BDB::WATCHER->priority (1);
2659 my $status;
2660 my $current = $Coro::current;
2661 (
2662 sub {
2663 $status = $!;
2664 $current->ready; undef $current;
2665 },
2666 sub {
2667 Coro::schedule while defined $current;
2668 $! = $status;
2669 },
2670 )
2671 };
2672 3753
2673 unless ($DB_ENV) { 3754 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create; 3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675 3761
2676 cf::sync_job { 3762 cf::sync_job {
2677 eval { 3763 eval {
2678 BDB::db_env_open 3764 BDB::db_env_open
2679 $DB_ENV, 3765 $DB_ENV,
2680 $BDB_ENV_DIR, 3766 $BDBDIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666; 3769 0666;
2684 3770
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 }; 3772 };
2690 3773
2691 cf::cleanup "db_env_open(db): $@" if $@; 3774 cf::cleanup "db_env_open(db): $@" if $@;
2692 }; 3775 };
2693 } 3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
2694} 3787}
2695 3788
2696{ 3789{
3790 # configure IO::AIO
3791
2697 IO::AIO::min_parallel 8; 3792 IO::AIO::min_parallel 8;
2698
2699 undef $Coro::AIO::WATCHER;
2700 IO::AIO::max_poll_time $TICK * 0.1; 3793 IO::AIO::max_poll_time $TICK * 0.1;
2701 $AIO_POLL_WATCHER = Event->io ( 3794 undef $AnyEvent::AIO::WATCHER;
2702 reentrant => 0,
2703 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno,
2705 poll => 'r',
2706 prio => 6,
2707 cb => \&IO::AIO::poll_cb,
2708 );
2709} 3795}
3796
3797my $_log_backtrace;
3798
3799sub _log_backtrace {
3800 my ($msg, @addr) = @_;
3801
3802 $msg =~ s/\n//;
3803
3804 # limit the # of concurrent backtraces
3805 if ($_log_backtrace < 2) {
3806 ++$_log_backtrace;
3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
3810 my @bt = fork_call {
3811 @addr = map { sprintf "%x", $_ } @addr;
3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3814 or die "addr2line: $!";
3815
3816 my @funcs;
3817 my @res = <$fh>;
3818 chomp for @res;
3819 while (@res) {
3820 my ($func, $line) = splice @res, 0, 2, ();
3821 push @funcs, "[$func] $line";
3822 }
3823
3824 @funcs
3825 };
3826
3827 LOG llevInfo, "[ABT] $msg\n";
3828 LOG llevInfo, "[ABT] $_\n" for @bt;
3829 --$_log_backtrace;
3830 };
3831 } else {
3832 LOG llevInfo, "[ABT] $msg\n";
3833 LOG llevInfo, "[ABT] [suppressed]\n";
3834 }
3835}
3836
3837# load additional modules
3838use cf::pod;
2710 3839
2711END { cf::emergency_save } 3840END { cf::emergency_save }
2712 3841
27131 38421
2714 3843

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