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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.249 by root, Wed Apr 18 12:43:54 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 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
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
9use Event; 30use EV;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
34use Storable ();
13 35
14use Coro 3.61 (); 36use Coro ();
15use Coro::State; 37use Coro::State;
38use Coro::Handle;
16use Coro::Event; 39use Coro::AnyEvent;
17use Coro::Timer; 40use Coro::Timer;
18use Coro::Signal; 41use Coro::Signal;
19use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
20use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
21use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
22 48
49use JSON::XS 2.01 ();
23use BDB (); 50use BDB ();
24use Data::Dumper; 51use Data::Dumper;
25use Digest::MD5; 52use Digest::MD5;
26use Fcntl; 53use Fcntl;
27use YAML::Syck (); 54use YAML ();
28use IO::AIO 2.32 (); 55use IO::AIO ();
29use Time::HiRes; 56use Time::HiRes;
30use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
61
62IO::AIO::max_poll_reqs 1;#d#
31 63
32# configure various modules to our taste 64# configure various modules to our taste
33# 65#
34$Storable::canonical = 1; # reduce rsync transfers 66$Storable::canonical = 1; # reduce rsync transfers
35Coro::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
36Compress::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
37 69
38$Event::Eval = 1; # no idea why this is required, but it is
39
40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41$YAML::Syck::ImplicitUnicode = 1;
42
43$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44 71
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46 73
47our %COMMAND = (); 74our %COMMAND = ();
48our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
49 76
50our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
54 82
55our $RELOAD; # number of reloads so far 83our $RELOAD; # number of reloads so far
56our @EVENT; 84our @EVENT;
57our $LIBDIR = datadir . "/ext"; 85
86our $CONFDIR = confdir;
87our $DATADIR = datadir;
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;
58 98
59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60our $TICK_WATCHER;
61our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 101our $NEXT_TICK;
64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 102our $USE_FSYNC = 1; # use fsync to write maps - default off
66 103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
67our $BDB_POLL_WATCHER; 106our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 107our $DB_ENV;
69 108
70our %CFG; 109our %CFG;
71 110
72our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 112our $RUNTIME;
113our $NOW;
74 114
75our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 118
81# 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 ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 121
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 $TICK_START; # for load detecting purposes
126
84binmode STDOUT; 127binmode STDOUT;
85binmode STDERR; 128binmode STDERR;
86 129
87# read virtual server time, if available 130# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
92} 135}
93 136
94mkdir cf::localdir; 137mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 139
101our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
102 141
103sub cf::map::normalise; 142sub cf::map::normalise;
104 143
115=item $cf::RUNTIME 154=item $cf::RUNTIME
116 155
117The 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
118every server tick. 157every server tick.
119 158
120=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
121 162
122The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
123be 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.
124 167
125=item $cf::NOW 168=item $cf::NOW
126 169
127The time of the last (current) server tick. 170The time of the last (current) server tick.
128 171
129=item $cf::TICK 172=item $cf::TICK
130 173
131The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
132 175
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
133=item %cf::CFG 186=item %cf::CFG
134 187
135Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136from wherever your confdir points to. 189from wherever your confdir points to.
137 190
138=item cf::wait_for_tick, cf::wait_for_tick_begin 191=item cf::wait_for_tick, cf::wait_for_tick_begin
139 192
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141returns directly I<after> the tick processing (and consequently, can only wake one process 194returns directly I<after> the tick processing (and consequently, can only wake one process
142per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 196
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.
202
144=back 203=back
145 204
146=cut 205=cut
147 206
148BEGIN { 207BEGIN {
149 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 209 my $msg = join "", @_;
151 utf8::encode $msg;
152 210
153 $msg .= "\n" 211 $msg .= "\n"
154 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
155 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
156 LOG llevError, $msg; 216 LOG llevError, $msg;
157 }; 217 };
158} 218}
219
220$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#?
159 234
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@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';
165@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)
166 242
167# 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
168# within the Safe compartment. 244# within the Safe compartment.
169for my $pkg (qw( 245for my $pkg (qw(
170 cf::global cf::attachable 246 cf::global cf::attachable
175)) { 251)) {
176 no strict 'refs'; 252 no strict 'refs';
177 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178} 254}
179 255
180$Event::DIED = sub { 256$EV::DIED = sub {
181 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
182}; 258};
259
260#############################################################################
183 261
184=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
185 263
186=over 4 264=over 4
187 265
206 $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;
207 $d 285 $d
208 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
209} 287}
210 288
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
214 290
215Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
216 292
217=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
218 294
219Converts 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]) }
220 303
221=item cf::lock_wait $string 304=item cf::lock_wait $string
222 305
223Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
224 307
227Wait 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
228a 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,
229for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
230returned. 313returned.
231 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
232Lock 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
233uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
234 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
235=cut 325=cut
236 326
237our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
238 329
239sub lock_wait($) { 330sub lock_wait($) {
240 my ($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#
241 337
242 # wait for lock, if any 338 # wait for lock, if any
243 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 341 Coro::schedule;
251 347
252 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
253 lock_wait $key; 349 lock_wait $key;
254 350
255 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
256 353
257 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
260 } 358 }
261} 359}
262 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
263sub freeze_mainloop { 367sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
265 369
266 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
267 $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($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
268 }; 431 }
269 $TICK_WATCHER->stop; 432};
270 $guard 433
434sub get_slot($;$$) {
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 $sig->wait;
271} 446}
272 447
273=item cf::async { BLOCK } 448=item cf::async { BLOCK }
274 449
275Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
280 455
281BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
282 457
283=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
284 459
285The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
288 464
289If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
292fast or be very important. 468fast or be very important.
295 471
296sub sync_job(&) { 472sub sync_job(&) {
297 my ($job) = @_; 473 my ($job) = @_;
298 474
299 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
300 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
302 480
303 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 482
305 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
306 484
307 my $busy = 1; 485 my $busy = 1;
308 my @res; 486 my @res;
309 487
310 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 490 @res = eval { $job->() };
312 warn $@ if $@; 491 warn $@ if $@;
313 undef $busy; 492 undef $busy;
314 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
315 494
316 while ($busy) { 495 while ($busy) {
317 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
318 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
319 506
320 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
321 } else { 508 } else {
322 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
323 510
343 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
344 531
345 $coro 532 $coro
346} 533}
347 534
348sub write_runtime { 535=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 536
351 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.
352 541
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 542=cut
354 or return;
355 543
356 my $value = $cf::RUNTIME + 90 + 10; 544sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 545 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 546
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 547 # we seemingly have to make a local copy of the whole thing,
361 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
362 550
363 # always fsync - this file is important 551 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 552 reset_signals;
365 and return; 553 &$cb
554 }, @args;
366 555
367 close $fh 556 wantarray ? @res : $res[-1]
368 or return; 557}
369 558
370 aio_rename "$runtime~", $runtime 559=item $coin = coin_from_name $name
371 and return;
372 560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
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($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
373 1 635 }
636}
637
638sub db_put($$$) {
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"
374} 711}
375 712
376=item cf::datalog type => key => value, ... 713=item cf::datalog type => key => value, ...
377 714
378Log 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.
396attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
398 735
399In 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>
400C<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
401crossfire+). 738Deliantra).
402 739
403=over 4 740=over 4
404 741
405=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
406 743
569 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
570 907
571 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 912
576 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 914 my $pkg = shift @arg;
578 915
579 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
609 } 946 }
610 947
611 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
612 } else { 949 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 951 }
615 952
616 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
617} 954}
618 955
620 if (ref $_[0]) { 957 if (ref $_[0]) {
621 _object_attach @_; 958 _object_attach @_;
622 } else { 959 } else {
623 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
624 } 961 }
962 _recalc_want;
625}; 963};
626 964
627# all those should be optimised 965# all those should be optimised
628sub cf::attachable::detach { 966sub cf::attachable::detach {
629 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
633 reattach ($obj); 971 reattach ($obj);
634 } else { 972 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
636 } 974 }
975 _recalc_want;
637}; 976};
638 977
639sub cf::attachable::attached { 978sub cf::attachable::attached {
640 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
641 980
656 "; 995 ";
657 die if $@; 996 die if $@;
658} 997}
659 998
660our $override; 999our $override;
661our @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?
662 1001
663sub override { 1002sub override {
664 $override = 1; 1003 $override = 1;
665 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
666} 1005}
667 1006
668sub do_invoke { 1007sub do_invoke {
669 my $event = shift; 1008 my $event = shift;
670 my $callbacks = shift; 1009 my $callbacks = shift;
671 1010
672 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
673 1012
674 local $override; 1013 local $override;
675 1014
676 for (@$callbacks) { 1015 for (@$callbacks) {
677 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
686 } 1025 }
687 1026
688 0 1027 0
689} 1028}
690 1029
691=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692 1031
693=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694 1033
695Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
696 1035
697This 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
698removed 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
699results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 1039
701=back 1040=back
702 1041
703=cut 1042=cut
704 1043
705############################################################################# 1044#############################################################################
706# 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, $ob2
1087}
707 1088
708sub reattach { 1089sub reattach {
709 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 1091 my ($obj) = @_;
711 1092
732cf::attachable->attach ( 1113cf::attachable->attach (
733 prio => -1000000, 1114 prio => -1000000,
734 on_instantiate => sub { 1115 on_instantiate => sub {
735 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
736 1117
737 $data = from_json $data; 1118 $data = decode_json $data;
738 1119
739 for (@$data) { 1120 for (@$data) {
740 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
741 1122
742 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
758sub object_freezer_save { 1139sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
760 1141
761 sync_job { 1142 sync_job {
762 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
765 1147
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1151 aio_fsync $fh if $cf::USE_FSYNC;
770 close $fh; 1152 aio_close $fh;
771 1153
772 if (@$objs) { 1154 if (@$objs) {
773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
775 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
777 aio_fsync $fh if $cf::USE_FSYNC; 1159 aio_fsync $fh if $cf::USE_FSYNC;
778 close $fh; 1160 aio_close $fh;
779 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
780 } 1162 }
781 } else { 1163 } else {
782 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
783 } 1165 }
788 } 1170 }
789 } else { 1171 } else {
790 aio_unlink $filename; 1172 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
792 } 1174 }
793 } 1175 };
794} 1176}
795 1177
796sub object_freezer_as_string { 1178sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
798 1180
810 or return; 1192 or return;
811 1193
812 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
814 or return; 1196 or return;
1197
815 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
816 } 1200 }
817 1201
1202 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
820 return ($data, $av); 1206 ($data, $av)
821} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
822 1214
823############################################################################# 1215#############################################################################
824# command handling &c 1216# command handling &c
825 1217
826=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1232}
841 1233
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1235
844Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
845 1241
846If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
847called. 1243called.
848 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
849=cut 1256=cut
850 1257
851sub register_extcmd { 1258sub register_extcmd {
852 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
853 1260
854 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
855} 1268}
856 1269
857cf::player->attach ( 1270cf::player->attach (
858 on_command => sub { 1271 on_command => sub {
859 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
868 cf::override; 1281 cf::override;
869 }, 1282 },
870 on_extcmd => sub { 1283 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
872 1285
873 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1287
875 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
881 } else { 1303 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1305 }
884 1306
885 cf::override; 1307 cf::override;
886 }, 1308 },
887); 1309);
888 1310
889sub load_extension {
890 my ($path) = @_;
891
892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
893 my $base = $1;
894 my $pkg = $1;
895 $pkg =~ s/[^[:word:]]/_/g;
896 $pkg = "ext::$pkg";
897
898 warn "... loading '$path' into '$pkg'\n";
899
900 open my $fh, "<:utf8", $path
901 or die "$path: $!";
902
903 my $source =
904 "package $pkg; use strict; use utf8;\n"
905 . "#line 1 \"$path\"\n{\n"
906 . (do { local $/; <$fh> })
907 . "\n};\n1";
908
909 unless (eval $source) {
910 my $msg = $@ ? "$path: $@\n"
911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
919
920 push @EXTS, $pkg;
921}
922
923sub load_extensions { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
924 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1316 next unless -r $path;
926 eval { 1317
927 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
928 1 1374 }
929 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
930 } 1380 };
931} 1381}
932 1382
933############################################################################# 1383#############################################################################
934 1384
1385=back
1386
935=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
936 1388
937Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
938 1390
939=cut 1391=cut
944 1396
945=head3 cf::player 1397=head3 cf::player
946 1398
947=over 4 1399=over 4
948 1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
1414
949=item cf::player::find $login 1415=item cf::player::find $login
950 1416
951Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
952 1418
953=cut 1419=cut
954 1420
955sub playerdir($) { 1421sub playerdir($) {
956 cf::localdir 1422 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1423 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1424}
962 1425
963sub path($) { 1426sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1427 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1457 aio_unlink +(playerdir $login) . "/$login.pl";
995 1458
996 my $pl = load_pl path $login 1459 my $f = new_from_file cf::object::thawer path $login
997 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
998 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
999 } 1468 }
1000 } 1469 }
1001} 1470}
1002 1471
1011 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
1012 1481
1013 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
1015 1484
1485 cf::get_slot 0.01;
1486
1016 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
1017 Coro::cede; 1488 cf::cede_to_tick;
1018} 1489}
1019 1490
1020sub new($) { 1491sub new($) {
1021 my ($login) = @_; 1492 my ($login) = @_;
1022 1493
1028 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1029 1500
1030 $self 1501 $self
1031} 1502}
1032 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1033=item $pl->quit_character 1514=item $pl->quit_character
1034 1515
1035Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1037 1518
1045 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1046 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1047 1528
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1052 1535
1053 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1084while and may block, so not sync_job-capable, ever. 1567while and may block, so not sync_job-capable, ever.
1085 1568
1086=cut 1569=cut
1087 1570
1088sub list_logins { 1571sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1572 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1573 or return [];
1091 1574
1092 my @logins; 1575 my @logins;
1093 1576
1094 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1098 1587
1099 utf8::decode $login; 1588 utf8::decode $login;
1100 push @logins, $login; 1589 push @logins, $login;
1101 } 1590 }
1102 1591
1129 } 1618 }
1130 1619
1131 \@paths 1620 \@paths
1132} 1621}
1133 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1134=item $player->ext_reply ($msgid, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1135 1717
1136Sends an ext reply to the player. 1718Sends an ext reply to the player.
1137 1719
1138=cut 1720=cut
1139 1721
1140sub ext_reply($$%) { 1722sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1142 1724
1143 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1726}
1147 1727
1148=item $player->ext_event ($type, %msg) 1728=item $player->ext_msg ($type, @msg)
1149 1729
1150Sends an ext event to the client. 1730Sends an ext event to the client.
1151 1731
1152=cut 1732=cut
1153 1733
1154sub ext_event($$%) { 1734sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1735 my ($self, $type, @msg) = @_;
1156 1736
1157 $self->ns->ext_event ($type, %msg); 1737 $self->ns->ext_msg ($type, @msg);
1158} 1738}
1159 1739
1160=head3 cf::region 1740=head3 cf::region
1161 1741
1162=over 4 1742=over 4
1165 1745
1166package cf::region; 1746package cf::region;
1167 1747
1168=item cf::region::find_by_path $path 1748=item cf::region::find_by_path $path
1169 1749
1170Tries to decuce the probable region for a map knowing only its path. 1750Tries to decuce the likely region for a map knowing only its path.
1171 1751
1172=cut 1752=cut
1173 1753
1174sub find_by_path($) { 1754sub find_by_path($) {
1175 my ($path) = @_; 1755 my ($path) = @_;
1176 1756
1177 my ($match, $specificity); 1757 my ($match, $specificity);
1178 1758
1179 for my $region (list) { 1759 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1760 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1761 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1762 if $region->specificity > $specificity;
1183 } 1763 }
1184 } 1764 }
1185 1765
1206our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1207our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1208 1788
1209sub generate_random_map { 1789sub generate_random_map {
1210 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1211 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1212 $self->_create_random_map ( 1795 $self->_create_random_map (
1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1249 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1250 1833
1251 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1252 local $self->{path}; 1835 local $self->{path};
1253 local $self->{load_path}; 1836 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1837
1257 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1258} 1839}
1259 1840
1260sub normalise { 1841sub normalise {
1307 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1308 return $self; 1889 return $self;
1309 } 1890 }
1310 } 1891 }
1311 1892
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1894 ()
1314} 1895}
1315 1896
1316sub init { 1897sub init {
1317 my ($self) = @_; 1898 my ($self) = @_;
1332 1913
1333# the original (read-only) location 1914# the original (read-only) location
1334sub load_path { 1915sub load_path {
1335 my ($self) = @_; 1916 my ($self) = @_;
1336 1917
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1918 "$MAPDIR/$self->{path}.map"
1338} 1919}
1339 1920
1340# the temporary/swap location 1921# the temporary/swap location
1341sub save_path { 1922sub save_path {
1342 my ($self) = @_; 1923 my ($self) = @_;
1343 1924
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1926 "$TMPDIR/$path.map"
1346} 1927}
1347 1928
1348# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1349sub uniq_path { 1930sub uniq_path {
1350 my ($self) = @_; 1931 my ($self) = @_;
1351 1932
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1934 "$UNIQUEDIR/$path"
1354} 1935}
1355 1936
1356# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1357# all maps in C++... 1938# all maps in C++...
1358sub change_all_map_light { 1939sub change_all_map_light {
1360 1941
1361 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1363} 1944}
1364 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1365sub unlink_save { 1954sub unlink_save {
1366 my ($self) = @_; 1955 my ($self) = @_;
1367 1956
1368 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1961
1373sub load_header_from($) { 1962sub load_header_from($) {
1374 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1375 1964
1376 utf8::encode $path; 1965 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 or return; 1967 or return;
1968
1969 $self->_load_header ($f)
1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1382 1974
1383 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1384 1976
1385 1 1977 1
1386} 1978}
1425 $self->load_header_orig 2017 $self->load_header_orig
1426 or return; 2018 or return;
1427 $self->prepare_orig; 2019 $self->prepare_orig;
1428 } 2020 }
1429 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
1430 $self->default_region (cf::region::find_by_path $self->{path}) 2025 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 2026 unless $self->default_region;
1432 2027
1433 1 2028 1
1434} 2029}
1437sub find { 2032sub find {
1438 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1439 2034
1440 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1441 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1443 2039
1444 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1446 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1447 or return; 2045 or return;
1448 2046
1449 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1450 2048
1451 $map->load_header 2049 $map->load_header
1452 or return; 2050 or return;
1453 2051
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1457 $map->reset; 2057 $map->reset;
1458 undef $guard;
1459 return find $path; 2058 return find $path;
1460 } 2059 }
1461 2060
1462 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1463 } 2062 }
1470 my ($self) = @_; 2069 my ($self) = @_;
1471 2070
1472 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1473 2072
1474 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1476 2077
2078 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1478 2080
1479 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1480 2082
1481 $self->alloc; 2083 $self->alloc;
1482 2084
1483 $self->pre_load; 2085 $self->pre_load;
1484 Coro::cede; 2086 cf::cede_to_tick;
1485 2087
1486 $self->_load_objects ($self->{load_path}, 1) 2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
2090 $self->_load_objects ($f)
1487 or return; 2091 or return;
1488 2092
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1491 2095
1492 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 2097 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 2100 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1497 } 2104 }
1498 } 2105 }
1499 2106
1500 Coro::cede; 2107 $f->resolve_delayed_derefs;
2108
2109 cf::cede_to_tick;
1501 # now do the right thing for maps 2110 # now do the right thing for maps
1502 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($self->{deny_activate}) {
1506 $self->decay_objects;
1507 $self->fix_auto_apply;
1508 $self->update_buttons;
1509 Coro::cede;
1510 $self->set_darkness_map;
1511 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 2113 unless $self->difficulty;
1513 Coro::cede; 2114 cf::cede_to_tick;
2115
2116 unless ($self->{deny_activate}) {
2117 $self->decay_objects;
2118 $self->fix_auto_apply;
2119 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
1514 $self->activate; 2123 $self->activate;
1515 Coro::cede; 2124 }
2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
2129 $self->in_memory (cf::MAP_ACTIVE);
1516 } 2130 }
1517 2131
1518 $self->post_load; 2132 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 2133}
1523 2134
1524sub customise_for { 2135sub customise_for {
1525 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1526 2137
1527 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 2139 if $self->per_player;
1529 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1530 $self 2144 $self
1531} 2145}
1532 2146
1533# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1534sub load_diag { 2148sub load_neighbours {
1535 my ($map) = @_; 2149 my ($map) = @_;
1536 2150
1537 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1538 2152
1539 for (0 .. 3) { 2153 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1541 or next; 2155 or next;
1542 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1543 or next; 2157 or next;
1544 $neigh->load; 2158 $neigh->load;
1545 2159
2160 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 2163 }
1549 2164
1550 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1552 or next; 2168 or next;
1553 $neigh->load; 2169 $neigh->load;
1554 } 2170 }
1555} 2171}
1556 2172
1561} 2177}
1562 2178
1563sub do_load_sync { 2179sub do_load_sync {
1564 my ($map) = @_; 2180 my ($map) = @_;
1565 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1566 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1567} 2186}
1568 2187
1569our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1571 2190
1572sub find_async { 2191sub find_async {
1573 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1574 2193
1575 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1576 2195
1577 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579 } 2198 }
1580 2199
1581 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1582 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1583 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2207 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2208 $map->load if $v;
2209 }
1588 2210
1589 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1590 } 2212 }
1591 } 2213 }
1592 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1593 }; 2215 };
1594 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1597} 2219}
1598 2220
1599sub save { 2221sub save {
1600 my ($self) = @_; 2222 my ($self) = @_;
1601 2223
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2225
1604 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1605 2227
1606 return unless $self->dirty; 2228 return unless $self->dirty;
1607 2229
1613 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1614 2236
1615 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1616 2238
1617 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1618 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1619 }; 2242 };
2243
2244 cf::get_slot 0.02;
1620 2245
1621 if ($uniq) { 2246 if ($uniq) {
1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1624 } else { 2249 } else {
1630 my ($self) = @_; 2255 my ($self) = @_;
1631 2256
1632 # save first because save cedes 2257 # save first because save cedes
1633 $self->save; 2258 $self->save;
1634 2259
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2261
1637 return if $self->players; 2262 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1639 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1640 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2270 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2271}
1644 2272
1645sub reset_at { 2273sub reset_at {
1646 my ($self) = @_; 2274 my ($self) = @_;
1647 2275
1648 # TODO: safety, remove and allow resettable per-player maps 2276 # TODO: safety, remove and allow resettable per-player maps
1649 return 1e99 if $self->isa ("ext::map_per_player");#d#
1650 return 1e99 if $self->{deny_reset}; 2277 return 1e99 if $self->{deny_reset};
1651 2278
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2281
1665 my ($self) = @_; 2292 my ($self) = @_;
1666 2293
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2295
1669 return if $self->players; 2296 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2297
1672 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
1673 2299
1674 $self->in_memory (cf::MAP_SWAPPED); 2300 $self->in_memory (cf::MAP_SWAPPED);
1675 2301
1676 # need to save uniques path 2302 # need to save uniques path
1677 unless ($self->{deny_save}) { 2303 unless ($self->{deny_save}) {
1681 if $uniq; 2307 if $uniq;
1682 } 2308 }
1683 2309
1684 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1685 2311
2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2314 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2315
1690 $self->unlink_save; 2316 $self->unlink_save;
1691 $self->destroy; 2317 $self->destroy;
1692} 2318}
1693 2319
1694my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1695 2321
1696sub nuke { 2322sub nuke {
1697 my ($self) = @_; 2323 my ($self) = @_;
1698 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1699 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1700 2329
1701 $self->unlink_save; 2330 $self->unlink_save;
1702 2331
1703 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2337
1709 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1710 2340
1711 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1712} 2378}
1713 2379
1714=item cf::map::unique_maps 2380=item cf::map::unique_maps
1715 2381
1716Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2383instantiated unique items. May block.
1718 2384
1719=cut 2385=cut
1720 2386
1721sub unique_maps() { 2387sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2388 [
1723 or return; 2389 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2390 utf8::decode $_;
1729 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1730 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731 2393 ? ()
1732 push @paths, cf::map::normalise $_; 2394 : normalise $_
2395 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2396 ]
1734
1735 \@paths
1736} 2397}
1737
1738package cf;
1739 2398
1740=back 2399=back
1741 2400
1742=head3 cf::object 2401=head3 cf::object
1743 2402
1747 2406
1748=over 4 2407=over 4
1749 2408
1750=item $ob->inv_recursive 2409=item $ob->inv_recursive
1751 2410
1752Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1753 2413
1754=cut 2414=cut
1755 2415
1756sub inv_recursive_; 2416sub inv_recursive_;
1757sub inv_recursive_ { 2417sub inv_recursive_ {
1760 2420
1761sub inv_recursive { 2421sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1763} 2423}
1764 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1765package cf; 2453package cf;
1766 2454
1767=back 2455=back
1768 2456
1769=head3 cf::object::player 2457=head3 cf::object::player
1775Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776can be C<undef>. Does the right thing when the player is currently in a 2464can be C<undef>. Does the right thing when the player is currently in a
1777dialogue with the given NPC character. 2465dialogue with the given NPC character.
1778 2466
1779=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1780 2482
1781# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1782# with dialog boxes. 2484# with dialog boxes.
1783#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1784sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1786 2488
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2490
1789 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1791 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1794 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1795} 2516}
1796 2517
1797=item $player_object->may ("access") 2518=item $player_object->may ("access")
1798 2519
1799Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1847 2568
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2570
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1852 2573
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2575}
1855 2576
1856sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1858 2581
1859 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1860 2583
1861 unless ($map) { 2584 unless ($map) {
1862 # restore original map position 2585 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1879 2602
1880 $map->load; 2603 $map->load;
1881 $map->load_diag; 2604 $map->load_neighbours;
1882 2605
1883 return unless $self->contr->active; 2606 return unless $self->contr->active;
1884 $self->activate_recursive; 2607 $self->activate_recursive;
1885 2608
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1888} 2611}
1889 2612
1890cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2614
1894 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1898 }; 2619be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2620
1904 # try to abort aborted map switching on player login :)
1905 # should happen only on crashes
1906 if ($pl->ob->{_link_pos}) {
1907 $pl->ob->enter_link;
1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1915 Coro::Timer::sleep 1;
1916 $pl->ob->leave_link;
1917 })->prio (2);
1918 }
1919 },
1920);
1921
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2621=cut
2622
2623our $GOTOGEN;
1925 2624
1926sub cf::object::player::goto { 2625sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
2627
2628 # do generation counting so two concurrent goto's will be executed in-order
2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2630
1929 $self->enter_link; 2631 $self->enter_link;
1930 2632
1931 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1932 my $map = eval { 2655 my $map = eval {
1933 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2659 $map = $map->customise_for ($self);
2660 $map = $check->($map) if $check && $map;
2661 } else {
2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663 }
2664
1935 $map 2665 $map
2666 };
2667
2668 if ($@) {
2669 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2670 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2671 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1940 })->prio (1); 2679 })->prio (1);
1941} 2680}
1942 2681
1943=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1944 2683
1964} 2703}
1965 2704
1966sub prepare_random_map { 2705sub prepare_random_map {
1967 my ($exit) = @_; 2706 my ($exit) = @_;
1968 2707
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1972 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1973 # that depends on the exit object 2710 # that depends on the exit object
1974 2711
1975 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1977 if ($exit->map) { 2714 if ($exit->map) {
1978 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1979 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
1980 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
1981 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
1982 } 2721 }
1983 2722
1984 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
1985 2724
1986 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
1989 2728
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2731 undef $fh;
1993 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
1994 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
1995 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
1996 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
1997 } 2740 }
1998} 2741}
1999 2742
2000sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
2001 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
2002 2745
2003 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
2004 2747
2005 if ($exit->slaying eq "/!") {
2006 #TODO: this should de-fi-ni-te-ly not be a sync-job
2007 # the problem is that $exit might not survive long enough
2008 # so it needs to be done right now, right here
2009 cf::sync_job { prepare_random_map $exit };
2010 }
2011
2012 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013 my $hp = $exit->stats->hp;
2014 my $sp = $exit->stats->sp;
2015
2016 $self->enter_link; 2748 $self->enter_link;
2017 2749
2018 (async { 2750 (async {
2019 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
2020 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
2021 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
2022 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
2023 1; 2774 1
2024 }) { 2775 }) {
2025 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
2026 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
2027 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
2028 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2800
2050 utf8::encode $text; 2801 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2803}
2053 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2054=item $client->ext_event ($type, %msg) 2935=item $client->ext_msg ($type, @msg)
2055 2936
2056Sends an exti event to the client. 2937Sends an ext event to the client.
2057 2938
2058=cut 2939=cut
2059 2940
2060sub cf::client::ext_event($$%) { 2941sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2942 my ($self, $type, @msg) = @_;
2062 2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2947 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2065} 2968}
2066 2969
2067=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
2068 2971
2069Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2975
2073Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2977become reliable at some point in the future.
2075 2978
2076=cut 2979=cut
2077 2980
2078sub cf::client::query { 2981sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2990 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2992
2090 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
2092} 2997}
2093 2998
2094cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
2095 on_reply => sub { 3005 on_reply => sub {
2096 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
2097 3007
2098 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
2099 # get handled first 3009 # get handled first
2111 } else { 3021 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 3023 }
2114 } 3024 }
2115 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2116); 3052);
2117 3053
2118=item $client->async (\&cb) 3054=item $client->async (\&cb)
2119 3055
2120Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2163 3099
2164$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2165 3101
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2167 3107
2168# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2169 3109
2170=pod 3110=pod
2171 3111
2172The following functions and methods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2173 3113
2174 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2175 cf::object::player player 3118 cf::object::player
2176 cf::player peaceful 3119 player
2177 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2178 3126
2179=cut 3127=cut
2180 3128
2181for ( 3129for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2183 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2186) { 3136) {
2187 no strict 'refs'; 3137 no strict 'refs';
2258=back 3208=back
2259 3209
2260=cut 3210=cut
2261 3211
2262############################################################################# 3212#############################################################################
2263
2264=head2 EXTENSION DATABASE SUPPORT
2265
2266Crossfire maintains a very simple database for extension use. It can
2267currently store anything that can be serialised using Storable, which
2268excludes objects.
2269
2270The parameter C<$family> should best start with the name of the extension
2271using it, it should be unique.
2272
2273=over 4
2274
2275=item $value = cf::db_get $family => $key
2276
2277Returns a single value from the database.
2278
2279=item cf::db_put $family => $key => $value
2280
2281Stores the given C<$value> in the family.
2282
2283=cut
2284
2285our $DB;
2286
2287sub db_init {
2288 unless ($DB) {
2289 $DB = BDB::db_create $DB_ENV;
2290
2291 cf::sync_job {
2292 eval {
2293 $DB->set_flags (BDB::CHKSUM);
2294
2295 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297 cf::cleanup "db_open(db): $!" if $!;
2298 };
2299 cf::cleanup "db_open(db): $@" if $@;
2300 };
2301
2302 my $path = cf::localdir . "/database.pst";
2303 if (stat $path) {
2304 cf::sync_job {
2305 my $pst = Storable::retrieve $path;
2306
2307 cf::db_put (board => data => $pst->{board});
2308 cf::db_put (guildrules => data => $pst->{guildrules});
2309 cf::db_put (rent => balance => $pst->{rent}{balance});
2310 BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312 unlink $path;
2313 };
2314 }
2315 }
2316}
2317
2318sub db_get($$) {
2319 my $key = "$_[0]/$_[1]";
2320
2321 cf::sync_job {
2322 BDB::db_get $DB, undef, $key, my $data;
2323
2324 $! ? ()
2325 : Compress::LZF::sthaw $data
2326 }
2327}
2328
2329sub db_put($$$) {
2330 BDB::dbreq_pri 4;
2331 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332}
2333
2334=item cf::cache $id => ...
2335
2336Generic caching function that returns the value of the resource $id,
2337caching and regenerating as required.
2338
2339This function can block.
2340
2341 source => filename returning the data (must be a scalar)
2342 expensive => true == try to cache harder
2343 filter => sub that processes the data into a scalar
2344
2345=cut
2346
2347sub cache {
2348 my ($id, %arg) = @_;
2349
2350 aio_stat $arg{source}
2351 and Carp::croak "$arg{source}: $!";
2352
2353 my $meta = join ":", (stat _)[7,9];
2354 my $md5;
2355
2356 if ($arg{expensive}) {
2357 0 <= aio_load $arg{source}, my $buf
2358 or Carp::croak "$arg{source}: $!";
2359
2360 $md5 = Digest::MD5::md5_hex $buf;
2361 }
2362
2363 my $dbmeta = db_get "$id/meta";
2364 if ($dbmeta ne $meta) {
2365 # changed, we need to process
2366 } else {
2367 # just fetch
2368 }
2369
2370
2371}
2372
2373#############################################################################
2374# the server's init and main functions 3213# the server's init and main functions
2375 3214
2376sub load_facedata($) { 3215sub load_facedata($) {
2377 my ($path) = @_; 3216 my ($path) = @_;
3217
3218 # HACK to clear player env face cache, we need some signal framework
3219 # for this (global event?)
3220 %ext::player_env::MUSIC_FACE_CACHE = ();
3221
3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2378 3223
2379 warn "loading facedata from $path\n"; 3224 warn "loading facedata from $path\n";
2380 3225
2381 my $facedata; 3226 my $facedata;
2382 0 < aio_load $path, $facedata 3227 0 < aio_load $path, $facedata
2385 $facedata = Coro::Storable::thaw $facedata; 3230 $facedata = Coro::Storable::thaw $facedata;
2386 3231
2387 $facedata->{version} == 2 3232 $facedata->{version} == 2
2388 or cf::cleanup "$path: version mismatch, cannot proceed."; 3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
2389 3234
3235 # patch in the exptable
3236 $facedata->{resource}{"res/exp_table"} = {
3237 type => FT_RSRC,
3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239 };
3240 cf::cede_to_tick;
3241
2390 { 3242 {
2391 my $faces = $facedata->{faceinfo}; 3243 my $faces = $facedata->{faceinfo};
2392 3244
2393 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
2394 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247
2395 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3248 cf::face::set_visibility $idx, $info->{visibility};
3249 cf::face::set_magicmap $idx, $info->{magicmap};
2396 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2397 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2398 Coro::cede; 3252
3253 cf::cede_to_tick;
2399 } 3254 }
2400 3255
2401 while (my ($face, $info) = each %$faces) { 3256 while (my ($face, $info) = each %$faces) {
2402 next unless $info->{smooth}; 3257 next unless $info->{smooth};
3258
2403 my $idx = cf::face::find $face 3259 my $idx = cf::face::find $face
2404 or next; 3260 or next;
3261
2405 if (my $smooth = cf::face::find $info->{smooth}) { 3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
2406 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2407 } else { 3265 } else {
2408 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
2409 } 3267 }
2410 Coro::cede; 3268
3269 cf::cede_to_tick;
2411 } 3270 }
2412 } 3271 }
2413 3272
2414 { 3273 {
2415 my $anims = $facedata->{animinfo}; 3274 my $anims = $facedata->{animinfo};
2416 3275
2417 while (my ($anim, $info) = each %$anims) { 3276 while (my ($anim, $info) = each %$anims) {
2418 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
2419 Coro::cede; 3278 cf::cede_to_tick;
2420 } 3279 }
2421 3280
2422 cf::anim::invalidate_all; # d'oh 3281 cf::anim::invalidate_all; # d'oh
2423 } 3282 }
2424 3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
2425 1 3319 1
2426} 3320}
2427 3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
3350sub load_resource_file($) {
3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
3365 load_resource_file "$MAPDIR/regions"
3366 or die "unable to load regions file\n";
3367
3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
3372}
3373
2428sub reload_facedata { 3374sub reload_facedata {
2429 load_facedata sprintf "%s/facedata", cf::datadir 3375 load_facedata "$DATADIR/facedata"
2430 or die "unable to load facedata\n"; 3376 or die "unable to load facedata\n";
2431} 3377}
2432 3378
2433sub reload_regions {
2434 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2435 or die "unable to load regions file\n";
2436}
2437
2438sub reload_archetypes { 3379sub reload_archetypes {
2439 load_resource_file sprintf "%s/archetypes", cf::datadir 3380 load_resource_file "$DATADIR/archetypes"
2440 or die "unable to load archetypes\n"; 3381 or die "unable to load archetypes\n";
2441} 3382}
2442 3383
2443sub reload_treasures { 3384sub reload_treasures {
2444 load_resource_file sprintf "%s/treasures", cf::datadir 3385 load_resource_file "$DATADIR/treasures"
2445 or die "unable to load treasurelists\n"; 3386 or die "unable to load treasurelists\n";
2446} 3387}
2447 3388
2448sub reload_resources { 3389sub reload_resources {
2449 warn "reloading resource files...\n"; 3390 warn "reloading resource files...\n";
2450 3391
2451 reload_regions;
2452 reload_facedata; 3392 reload_facedata;
2453 reload_archetypes; 3393 reload_archetypes;
3394 reload_regions;
2454 reload_treasures; 3395 reload_treasures;
2455 3396
2456 warn "finished reloading resource files\n"; 3397 warn "finished reloading resource files\n";
2457} 3398}
2458 3399
2459sub init { 3400sub init {
3401 my $guard = freeze_mainloop;
3402
2460 reload_resources; 3403 reload_resources;
2461} 3404}
2462 3405
2463sub cfg_load { 3406sub reload_config {
2464 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2465 or return; 3408 or return;
2466 3409
2467 local $/; 3410 local $/;
2468 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2469 3412
2470 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2471 3414
2472 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2473 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2484sub main { 3427sub main {
2485 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2486 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2487 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2488 (async { 3431 (async {
2489 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2490 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2491 }; 3435 };
2492 3436
2493 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2494 db_init; 3440 db_init;
2495 load_extensions; 3441 load_extensions;
2496 3442
2497 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2498 Event::loop; 3446 EV::loop;
2499} 3447}
2500 3448
2501############################################################################# 3449#############################################################################
2502# initialisation and cleanup 3450# initialisation and cleanup
2503 3451
2504# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2505BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2506 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2507 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2508 reentrant => 0,
2509 data => WF_AUTOCANCEL,
2510 signal => $signal,
2511 prio => 0,
2512 cb => sub {
2513 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2514 },
2515 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2516 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2517} 3541}
2518 3542
2519sub emergency_save() { 3543sub emergency_save() {
2520 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2521 3545
2527 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2528 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2529 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2530 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2531 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2532 $pl->save; 3557 $pl->save;
2533 } 3558 }
2534 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2535 3560
2536 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2542 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2543 3568
2544 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2545 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2546 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2547 }; 3576 };
2548 3577
2549 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2550} 3579}
2551 3580
2566 warn "reloading..."; 3595 warn "reloading...";
2567 3596
2568 warn "entering sync_job"; 3597 warn "entering sync_job";
2569 3598
2570 cf::sync_job { 3599 cf::sync_job {
2571 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2572 cf::emergency_save; 3601 cf::emergency_save;
2573 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2574 3603
2575 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2576 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2577 3606
2578 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2579
2580 warn "cancelling all WF_AUTOCANCEL watchers";
2581 for (Event::all_watchers) {
2582 $_->cancel if $_->data & WF_AUTOCANCEL;
2583 }
2584 3608
2585 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2586 for (;;) { 3610 for (;;) {
2587 BDB::flush; 3611 BDB::flush;
2588 IO::AIO::flush; 3612 IO::AIO::flush;
2589 Coro::cede; 3613 Coro::cede_notself;
2590 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2591 warn "iterate..."; 3615 warn "iterate...";
2592 } 3616 }
2593 3617
2594 ++$RELOAD; 3618 ++$RELOAD;
2598 %EXT_CORO = (); 3622 %EXT_CORO = ();
2599 3623
2600 warn "removing commands"; 3624 warn "removing commands";
2601 %COMMAND = (); 3625 %COMMAND = ();
2602 3626
2603 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2604 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2605 3630
2606 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2607 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2608 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2609 3634
2639 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2640 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2641 3666
2642 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2643 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2644 3670
2645 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2646 # and global variables created in xs 3672 # and global variables created in xs
2647 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2648 3674
2651 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2652 require cf; 3678 require cf;
2653 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2654 3680
2655 warn "loading config and database again"; 3681 warn "loading config and database again";
2656 cf::cfg_load; 3682 cf::reload_config;
2657 3683
2658 warn "loading extensions"; 3684 warn "loading extensions";
2659 cf::load_extensions; 3685 cf::load_extensions;
2660 3686
2661 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2668 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2669 3695
2670 1 3696 1
2671 } or do { 3697 } or do {
2672 warn $@; 3698 warn $@;
2673 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2674 exit 1;
2675 }; 3700 };
2676 3701
2677 warn "reloaded"; 3702 warn "reloaded";
2678}; 3703};
2679 3704
2681 3706
2682sub reload_perl() { 3707sub reload_perl() {
2683 # doing reload synchronously and two reloads happen back-to-back, 3708 # doing reload synchronously and two reloads happen back-to-back,
2684 # coro crashes during coro_state_free->destroy here. 3709 # coro crashes during coro_state_free->destroy here.
2685 3710
2686 $RELOAD_WATCHER ||= Event->timer ( 3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2687 reentrant => 0,
2688 after => 0,
2689 data => WF_AUTOCANCEL,
2690 cb => sub {
2691 do_reload_perl; 3712 do_reload_perl;
2692 undef $RELOAD_WATCHER; 3713 undef $RELOAD_WATCHER;
2693 },
2694 ); 3714 };
2695} 3715}
2696 3716
2697register_command "reload" => sub { 3717register_command "reload" => sub {
2698 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2699 3719
2700 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2701 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
3722 async {
3723 $Coro::current->{desc} = "perl_reload";
2702 async { reload_perl }; 3724 reload_perl;
3725 };
2703 } 3726 }
2704}; 3727};
2705 3728
2706unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2707 3730
2709 3732
2710our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
2711our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
2712 3735
2713sub wait_for_tick { 3736sub wait_for_tick {
2714 return unless $TICK_WATCHER->is_active;
2715 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2716 3738
2717 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
2718 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
2719 $signal->wait; 3741 $signal->wait;
2720} 3742}
2721 3743
2722sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
2723 return unless $TICK_WATCHER->is_active;
2724 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2725 3746
2726 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2727 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
2728 $signal->wait; 3749 $signal->wait;
2729} 3750}
2730 3751
2731$TICK_WATCHER = Event->timer ( 3752sub tick {
2732 reentrant => 0,
2733 parked => 1,
2734 prio => 0,
2735 at => $NEXT_TICK || $TICK,
2736 data => WF_AUTOCANCEL,
2737 cb => sub {
2738 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2739 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2740 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2741 return; 3756 return;
2742 } 3757 }
2743 3758
2744 $NOW = Event::time;
2745
2746 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2747 3760
2748 $RUNTIME += $TICK;
2749 $NEXT_TICK += $TICK;
2750
2751 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2752 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2753 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2754 write_runtime 3765 write_runtime_sync
2755 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2756 };
2757 } 3767 };
3768 }
2758 3769
2759# my $AFTER = Event::time;
2760# warn $AFTER - $NOW;#d#
2761
2762 # if we are delayed by four ticks or more, skip them all
2763 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2764
2765 $TICK_WATCHER->at ($NEXT_TICK);
2766 $TICK_WATCHER->start;
2767
2768 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2769 $sig->send; 3771 $sig->send;
2770 } 3772 }
2771 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
2772 $sig->send; 3774 $sig->send;
2773 }
2774
2775 _post_tick;
2776 }, 3775 }
2777); 3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2778 3788
2779{ 3789{
2780 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2781 $BDB_POLL_WATCHER = Event->io ( 3791
2782 reentrant => 0,
2783 fd => BDB::poll_fileno,
2784 poll => 'r',
2785 prio => 0,
2786 data => WF_AUTOCANCEL,
2787 cb => \&BDB::poll_cb,
2788 );
2789 BDB::min_parallel 8; 3792 BDB::min_parallel 8;
2790 3793 BDB::max_poll_reqs $TICK * 0.1;
2791 BDB::set_sync_prepare { 3794 $AnyEvent::BDB::WATCHER->priority (1);
2792 my $status;
2793 my $current = $Coro::current;
2794 (
2795 sub {
2796 $status = $!;
2797 $current->ready; undef $current;
2798 },
2799 sub {
2800 Coro::schedule while defined $current;
2801 $! = $status;
2802 },
2803 )
2804 };
2805 3795
2806 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2807 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2808 3802
2809 cf::sync_job { 3803 cf::sync_job {
2810 eval { 3804 eval {
2811 BDB::db_env_open 3805 BDB::db_env_open
2812 $DB_ENV, 3806 $DB_ENV,
2813 $BDB_ENV_DIR, 3807 $BDBDIR,
2814 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2815 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2816 0666; 3810 0666;
2817 3811
2818 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2819
2820 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2821 $DB_ENV->set_lk_detect;
2822 }; 3813 };
2823 3814
2824 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2825 }; 3816 };
2826 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2827} 3828}
2828 3829
2829{ 3830{
3831 # configure IO::AIO
3832
2830 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2831
2832 undef $Coro::AIO::WATCHER;
2833 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2834 $AIO_POLL_WATCHER = Event->io ( 3835 #undef $AnyEvent::AIO::WATCHER;
2835 reentrant => 0, 3836}
2836 data => WF_AUTOCANCEL, 3837
2837 fd => IO::AIO::poll_fileno, 3838my $_log_backtrace;
2838 poll => 'r', 3839
2839 prio => 6, 3840sub _log_backtrace {
2840 cb => \&IO::AIO::poll_cb, 3841 my ($msg, @addr) = @_;
2841 ); 3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
3875 }
2842} 3876}
2843 3877
2844# load additional modules 3878# load additional modules
2845use cf::pod; 3879use cf::pod;
2846 3880
2847END { cf::emergency_save } 3881END { cf::emergency_save }
2848 3882
3883evthread_start IO::AIO::poll_fileno;
3884
28491 38851
2850 3886

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