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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.438 by elmex, Sun Jul 13 20:15:51 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 1.6;
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;
31 61
32# configure various modules to our taste 62# configure various modules to our taste
33# 63#
34$Storable::canonical = 1; # reduce rsync transfers 64$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 65Coro::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 66Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37 67
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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 68$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44 69
45sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 70sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46 71
47our %COMMAND = (); 72our %COMMAND = ();
48our %COMMAND_TIME = (); 73our %COMMAND_TIME = ();
49 74
50our @EXTS = (); # list of extension package names 75our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 76our %EXTCMD = ();
77our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 78our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 79our %EXT_MAP = (); # pluggable maps
54 80
55our $RELOAD; # number of reloads so far 81our $RELOAD; # number of reloads so far
56our @EVENT; 82our @EVENT;
57our $LIBDIR = datadir . "/ext"; 83
84our $CONFDIR = confdir;
85our $DATADIR = datadir;
86our $LIBDIR = "$DATADIR/ext";
87our $PODDIR = "$DATADIR/pod";
88our $MAPDIR = "$DATADIR/" . mapdir;
89our $LOCALDIR = localdir;
90our $TMPDIR = "$LOCALDIR/" . tmpdir;
91our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93our $RANDOMDIR = "$LOCALDIR/random";
94our $BDBDIR = "$LOCALDIR/db";
95our %RESOURCE;
58 96
59our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 97our $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 98our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 99our $NEXT_TICK;
64our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 100our $USE_FSYNC = 1; # use fsync to write maps - default off
66 101
102our $BDB_DEADLOCK_WATCHER;
103our $BDB_CHECKPOINT_WATCHER;
67our $BDB_POLL_WATCHER; 104our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 105our $DB_ENV;
69 106
70our %CFG; 107our %CFG;
71 108
72our $UPTIME; $UPTIME ||= time; 109our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 110our $RUNTIME;
111our $NOW;
74 112
75our %PLAYER; # all users 113our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 114our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 115our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80 116
81# used to convert map paths into valid unix filenames by replacing / by ∕ 117# used to convert map paths into valid unix filenames by replacing / by ∕
82our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 118our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83 119
120our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121our $LOADAVG; # same thing, but with alpha-smoothing
122our $JITTER; # average jitter
123our $TICK_START; # for load detecting purposes
124
84binmode STDOUT; 125binmode STDOUT;
85binmode STDERR; 126binmode STDERR;
86 127
87# read virtual server time, if available 128# read virtual server time, if available
88unless ($RUNTIME || !-e cf::localdir . "/runtime") { 129unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89 open my $fh, "<", cf::localdir . "/runtime" 130 open my $fh, "<", "$LOCALDIR/runtime"
90 or die "unable to read runtime file: $!"; 131 or die "unable to read runtime file: $!";
91 $RUNTIME = <$fh> + 0.; 132 $RUNTIME = <$fh> + 0.;
92} 133}
93 134
94mkdir cf::localdir; 135mkdir $_
95mkdir cf::localdir . "/" . cf::playerdir; 136 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96mkdir cf::localdir . "/" . cf::tmpdir;
97mkdir cf::localdir . "/" . cf::uniquedir;
98mkdir $RANDOM_MAPS;
99mkdir $BDB_ENV_DIR;
100 137
101our $EMERGENCY_POSITION; 138our $EMERGENCY_POSITION;
102 139
103sub cf::map::normalise; 140sub cf::map::normalise;
104 141
115=item $cf::RUNTIME 152=item $cf::RUNTIME
116 153
117The time this server has run, starts at 0 and is increased by $cf::TICK on 154The time this server has run, starts at 0 and is increased by $cf::TICK on
118every server tick. 155every server tick.
119 156
120=item $cf::LIBDIR 157=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121 160
122The perl library directory, where extensions and cf-specific modules can 161Various directories - "/etc", read-only install directory, perl-library
123be found. It will be added to C<@INC> automatically. 162directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163unique-items directory, player file directory, random maps directory and
164database environment.
124 165
125=item $cf::NOW 166=item $cf::NOW
126 167
127The time of the last (current) server tick. 168The time of the last (current) server tick.
128 169
129=item $cf::TICK 170=item $cf::TICK
130 171
131The interval between server ticks, in seconds. 172The interval between server ticks, in seconds.
132 173
174=item $cf::LOADAVG
175
176The current CPU load on the server (alpha-smoothed), as a value between 0
177(none) and 1 (overloaded), indicating how much time is spent on processing
178objects per tick. Healthy values are < 0.5.
179
180=item $cf::LOAD
181
182The raw value load value from the last tick.
183
133=item %cf::CFG 184=item %cf::CFG
134 185
135Configuration for the server, loaded from C</etc/crossfire/config>, or 186Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136from wherever your confdir points to. 187from wherever your confdir points to.
137 188
138=item cf::wait_for_tick, cf::wait_for_tick_begin 189=item cf::wait_for_tick, cf::wait_for_tick_begin
139 190
140These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 191These 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 192returns 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. 193per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143 194
195=item @cf::INVOKE_RESULTS
196
197This array contains the results of the last C<invoke ()> call. When
198C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199that call.
200
144=back 201=back
145 202
146=cut 203=cut
147 204
148BEGIN { 205BEGIN {
149 *CORE::GLOBAL::warn = sub { 206 *CORE::GLOBAL::warn = sub {
150 my $msg = join "", @_; 207 my $msg = join "", @_;
151 utf8::encode $msg;
152 208
153 $msg .= "\n" 209 $msg .= "\n"
154 unless $msg =~ /\n$/; 210 unless $msg =~ /\n$/;
155 211
212 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213
156 LOG llevError, $msg; 214 LOG llevError, $msg;
157 }; 215 };
158} 216}
217
218$Coro::State::DIEHOOK = sub {
219 return unless $^S eq 0; # "eq", not "=="
220
221 if ($Coro::current == $Coro::main) {#d#
222 warn "DIEHOOK called in main context, Coro bug?\n";#d#
223 return;#d#
224 }#d#
225
226 # kill coroutine otherwise
227 warn Carp::longmess $_[0];
228 Coro::terminate
229};
230
231$SIG{__DIE__} = sub { }; #d#?
159 232
160@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 233@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 234@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 235@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 236@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 237@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
238@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 239@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166 240
167# we bless all objects into (empty) derived classes to force a method lookup 241# we bless all objects into (empty) derived classes to force a method lookup
168# within the Safe compartment. 242# within the Safe compartment.
169for my $pkg (qw( 243for my $pkg (qw(
170 cf::global cf::attachable 244 cf::global cf::attachable
175)) { 249)) {
176 no strict 'refs'; 250 no strict 'refs';
177 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 251 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178} 252}
179 253
180$Event::DIED = sub { 254$EV::DIED = sub {
181 warn "error in event callback: @_"; 255 warn "error in event callback: @_";
182}; 256};
257
258#############################################################################
183 259
184=head2 UTILITY FUNCTIONS 260=head2 UTILITY FUNCTIONS
185 261
186=over 4 262=over 4
187 263
206 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 282 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207 $d 283 $d
208 } || "[unable to dump $_[0]: '$@']"; 284 } || "[unable to dump $_[0]: '$@']";
209} 285}
210 286
211use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213=item $ref = cf::from_json $json 287=item $ref = cf::decode_json $json
214 288
215Converts a JSON string into the corresponding perl data structure. 289Converts a JSON string into the corresponding perl data structure.
216 290
217=item $json = cf::to_json $ref 291=item $json = cf::encode_json $ref
218 292
219Converts a perl data structure into its JSON representation. 293Converts a perl data structure into its JSON representation.
294
295=cut
296
297our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298
299sub encode_json($) { $json_coder->encode ($_[0]) }
300sub decode_json($) { $json_coder->decode ($_[0]) }
220 301
221=item cf::lock_wait $string 302=item cf::lock_wait $string
222 303
223Wait until the given lock is available. See cf::lock_acquire. 304Wait until the given lock is available. See cf::lock_acquire.
224 305
227Wait until the given lock is available and then acquires it and returns 308Wait 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, 309a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229for example when the coroutine gets canceled), the lock is automatically 310for example when the coroutine gets canceled), the lock is automatically
230returned. 311returned.
231 312
313Locks are *not* recursive, locking from the same coro twice results in a
314deadlocked coro.
315
232Lock names should begin with a unique identifier (for example, cf::map::find 316Lock names should begin with a unique identifier (for example, cf::map::find
233uses map_find and cf::map::load uses map_load). 317uses map_find and cf::map::load uses map_load).
234 318
319=item $locked = cf::lock_active $string
320
321Return true if the lock is currently active, i.e. somebody has locked it.
322
235=cut 323=cut
236 324
237our %LOCK; 325our %LOCK;
326our %LOCKER;#d#
238 327
239sub lock_wait($) { 328sub lock_wait($) {
240 my ($key) = @_; 329 my ($key) = @_;
330
331 if ($LOCKER{$key} == $Coro::current) {#d#
332 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333 return;#d#
334 }#d#
241 335
242 # wait for lock, if any 336 # wait for lock, if any
243 while ($LOCK{$key}) { 337 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 338 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 339 Coro::schedule;
251 345
252 # wait, to be sure we are not locked 346 # wait, to be sure we are not locked
253 lock_wait $key; 347 lock_wait $key;
254 348
255 $LOCK{$key} = []; 349 $LOCK{$key} = [];
350 $LOCKER{$key} = $Coro::current;#d#
256 351
257 Coro::guard { 352 Coro::guard {
353 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 354 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 355 $_->ready for @{ delete $LOCK{$key} };
260 } 356 }
261} 357}
262 358
359sub lock_active($) {
360 my ($key) = @_;
361
362 ! ! $LOCK{$key}
363}
364
263sub freeze_mainloop { 365sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 366 tick_inhibit_inc;
265 367
266 my $guard = Coro::guard { 368 Coro::guard \&tick_inhibit_dec;
267 $TICK_WATCHER->start; 369}
370
371=item cf::periodic $interval, $cb
372
373Like EV::periodic, but randomly selects a starting point so that the actions
374get spread over timer.
375
376=cut
377
378sub periodic($$) {
379 my ($interval, $cb) = @_;
380
381 my $start = rand List::Util::min 180, $interval;
382
383 EV::periodic $start, $interval, 0, $cb
384}
385
386=item cf::get_slot $time[, $priority[, $name]]
387
388Allocate $time seconds of blocking CPU time at priority C<$priority>:
389This call blocks and returns only when you have at least C<$time> seconds
390of cpu time till the next tick. The slot is only valid till the next cede.
391
392The optional C<$name> can be used to identify the job to run. It might be
393used for statistical purposes and should identify the same time-class.
394
395Useful for short background jobs.
396
397=cut
398
399our @SLOT_QUEUE;
400our $SLOT_QUEUE;
401
402$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403$SLOT_QUEUE = Coro::async {
404 $Coro::current->desc ("timeslot manager");
405
406 my $signal = new Coro::Signal;
407
408 while () {
409 next_job:
410 my $avail = cf::till_tick;
411 if ($avail > 0.01) {
412 for (0 .. $#SLOT_QUEUE) {
413 if ($SLOT_QUEUE[$_][0] < $avail) {
414 my $job = splice @SLOT_QUEUE, $_, 1, ();
415 $job->[2]->send;
416 Coro::cede;
417 goto next_job;
418 }
419 }
420 }
421
422 if (@SLOT_QUEUE) {
423 # we do not use wait_for_tick() as it returns immediately when tick is inactive
424 push @cf::WAIT_FOR_TICK, $signal;
425 $signal->wait;
426 } else {
427 Coro::schedule;
428 }
268 }; 429 }
269 $TICK_WATCHER->stop; 430};
270 $guard 431
432sub get_slot($;$$) {
433 return if tick_inhibit || $Coro::current == $Coro::main;
434
435 my ($time, $pri, $name) = @_;
436
437 $time = $TICK * .6 if $time > $TICK * .6;
438 my $sig = new Coro::Signal;
439
440 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442 $SLOT_QUEUE->ready;
443 $sig->wait;
271} 444}
272 445
273=item cf::async { BLOCK } 446=item cf::async { BLOCK }
274 447
275Currently the same as Coro::async_pool, meaning you cannot use 448Currently the same as Coro::async_pool, meaning you cannot use
280 453
281BEGIN { *async = \&Coro::async_pool } 454BEGIN { *async = \&Coro::async_pool }
282 455
283=item cf::sync_job { BLOCK } 456=item cf::sync_job { BLOCK }
284 457
285The design of crossfire+ requires that the main coro ($Coro::main) is 458The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 459is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 460partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
461acceptable.
288 462
289If it must be done, put the blocking parts into C<sync_job>. This will run 463If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 464the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 465server will be frozen during this time, so the block should either finish
292fast or be very important. 466fast or be very important.
295 469
296sub sync_job(&) { 470sub sync_job(&) {
297 my ($job) = @_; 471 my ($job) = @_;
298 472
299 if ($Coro::current == $Coro::main) { 473 if ($Coro::current == $Coro::main) {
474 my $time = EV::time;
475
300 # this is the main coro, too bad, we have to block 476 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 477 # till the operation succeeds, freezing the server :/
302 478
303 # TODO: use suspend/resume instead 479 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 480
305 my $freeze_guard = freeze_mainloop; 481 my $freeze_guard = freeze_mainloop;
306 482
307 my $busy = 1; 483 my $busy = 1;
308 my @res; 484 my @res;
309 485
310 (async { 486 (async {
487 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 488 @res = eval { $job->() };
312 warn $@ if $@; 489 warn $@ if $@;
313 undef $busy; 490 undef $busy;
314 })->prio (Coro::PRIO_MAX); 491 })->prio (Coro::PRIO_MAX);
315 492
316 while ($busy) { 493 while ($busy) {
317 Coro::cede or Event::one_event; 494 if (Coro::nready) {
495 Coro::cede_notself;
496 } else {
497 EV::loop EV::LOOP_ONESHOT;
318 } 498 }
499 }
500
501 my $time = EV::time - $time;
502
503 $TICK_START += $time; # do not account sync jobs to server load
319 504
320 wantarray ? @res : $res[0] 505 wantarray ? @res : $res[0]
321 } else { 506 } else {
322 # we are in another coroutine, how wonderful, everything just works 507 # we are in another coroutine, how wonderful, everything just works
323 508
343 $EXT_CORO{$coro+0} = $coro; 528 $EXT_CORO{$coro+0} = $coro;
344 529
345 $coro 530 $coro
346} 531}
347 532
348sub write_runtime { 533=item fork_call { }, $args
349 my $guard = cf::lock_acquire "write_runtime";
350 534
351 my $runtime = cf::localdir . "/runtime"; 535Executes the given code block with the given arguments in a seperate
536process, returning the results. Everything must be serialisable with
537Coro::Storable. May, of course, block. Note that the executed sub may
538never block itself or use any form of event handling.
352 539
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 540=cut
354 or return;
355 541
356 my $value = $cf::RUNTIME + 90 + 10; 542sub fork_call(&@) {
357 # 10 is the runtime save interval, for a monotonic clock 543 my ($cb, @args) = @_;
358 # 60 allows for the watchdog to kill the server.
359 544
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 545 # we seemingly have to make a local copy of the whole thing,
361 and return; 546 # otherwise perl prematurely frees the stuff :/
547 # TODO: investigate and fix (likely this will be rather laborious)
362 548
363 # always fsync - this file is important 549 my @res = Coro::Util::fork_eval {
364 aio_fsync $fh 550 reset_signals;
365 and return; 551 &$cb
552 }, @args;
366 553
367 close $fh 554 wantarray ? @res : $res[-1]
368 or return; 555}
369 556
370 aio_rename "$runtime~", $runtime 557=item $coin = coin_from_name $name
371 and return;
372 558
559=cut
560
561our %coin_alias = (
562 "silver" => "silvercoin",
563 "silvercoin" => "silvercoin",
564 "silvercoins" => "silvercoin",
565 "gold" => "goldcoin",
566 "goldcoin" => "goldcoin",
567 "goldcoins" => "goldcoin",
568 "platinum" => "platinacoin",
569 "platinumcoin" => "platinacoin",
570 "platinumcoins" => "platinacoin",
571 "platina" => "platinacoin",
572 "platinacoin" => "platinacoin",
573 "platinacoins" => "platinacoin",
574 "royalty" => "royalty",
575 "royalties" => "royalty",
576);
577
578sub coin_from_name($) {
579 $coin_alias{$_[0]}
580 ? cf::arch::find $coin_alias{$_[0]}
581 : undef
582}
583
584=item $value = cf::db_get $family => $key
585
586Returns a single value from the environment database.
587
588=item cf::db_put $family => $key => $value
589
590Stores the given C<$value> in the family. It can currently store binary
591data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
592
593=item $db = cf::db_table "name"
594
595Create and/or open a new database table. The string must not be "db" and must be unique
596within each server.
597
598=cut
599
600sub db_table($) {
601 my ($name) = @_;
602 my $db = BDB::db_create $DB_ENV;
603
604 eval {
605 $db->set_flags (BDB::CHKSUM);
606
607 utf8::encode $name;
608 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
609 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
610 cf::cleanup "db_open(db): $!" if $!;
611 };
612 cf::cleanup "db_open(db): $@" if $@;
613
614 $db
615}
616
617our $DB;
618
619sub db_init {
620 cf::sync_job {
621 $DB ||= db_table "db";
622 };
623}
624
625sub db_get($$) {
626 my $key = "$_[0]/$_[1]";
627
628 cf::sync_job {
629 BDB::db_get $DB, undef, $key, my $data;
630
631 $! ? ()
632 : $data
373 1 633 }
634}
635
636sub db_put($$$) {
637 BDB::dbreq_pri 4;
638 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
639}
640
641=item cf::cache $id => [$paths...], $processversion => $process
642
643Generic caching function that returns the value of the resource $id,
644caching and regenerating as required.
645
646This function can block.
647
648=cut
649
650sub cache {
651 my ($id, $src, $processversion, $process) = @_;
652
653 my $meta =
654 join "\x00",
655 $processversion,
656 map {
657 aio_stat $_
658 and Carp::croak "$_: $!";
659
660 ($_, (stat _)[7,9])
661 } @$src;
662
663 my $dbmeta = db_get cache => "$id/meta";
664 if ($dbmeta ne $meta) {
665 # changed, we may need to process
666
667 my @data;
668 my $md5;
669
670 for (0 .. $#$src) {
671 0 <= aio_load $src->[$_], $data[$_]
672 or Carp::croak "$src->[$_]: $!";
673 }
674
675 # if processing is expensive, check
676 # checksum first
677 if (1) {
678 $md5 =
679 join "\x00",
680 $processversion,
681 map {
682 cf::cede_to_tick;
683 ($src->[$_], Digest::MD5::md5_hex $data[$_])
684 } 0.. $#$src;
685
686
687 my $dbmd5 = db_get cache => "$id/md5";
688 if ($dbmd5 eq $md5) {
689 db_put cache => "$id/meta", $meta;
690
691 return db_get cache => "$id/data";
692 }
693 }
694
695 my $t1 = Time::HiRes::time;
696 my $data = $process->(\@data);
697 my $t2 = Time::HiRes::time;
698
699 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
700
701 db_put cache => "$id/data", $data;
702 db_put cache => "$id/md5" , $md5;
703 db_put cache => "$id/meta", $meta;
704
705 return $data;
706 }
707
708 db_get cache => "$id/data"
374} 709}
375 710
376=item cf::datalog type => key => value, ... 711=item cf::datalog type => key => value, ...
377 712
378Log a datalog packet of the given type with the given key-value pairs. 713Log 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") 731attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 732to it. All such attachable objects support the following methods.
398 733
399In the following description, CLASS can be any of C<global>, C<object> 734In 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 735C<player>, C<client> or C<map> (i.e. the attachable objects in
401crossfire+). 736Deliantra).
402 737
403=over 4 738=over 4
404 739
405=item $attachable->attach ($attachment, key => $value...) 740=item $attachable->attach ($attachment, key => $value...)
406 741
569 $registry = $CB_TYPE[$object_type] ||= []; 904 $registry = $CB_TYPE[$object_type] ||= [];
570 905
571 } elsif ($type eq "subtype") { 906 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 907 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 908 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 909 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 910
576 } elsif ($type eq "package") { 911 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 912 my $pkg = shift @arg;
578 913
579 while (my ($name, $id) = each %cb_id) { 914 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 943 _attach $registry, $klass, @attach;
609 } 944 }
610 945
611 $obj->{$name} = \%arg; 946 $obj->{$name} = \%arg;
612 } else { 947 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 948 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 949 }
615 950
616 $obj->{_attachment}{$name} = undef; 951 $obj->{_attachment}{$name} = undef;
617} 952}
618 953
620 if (ref $_[0]) { 955 if (ref $_[0]) {
621 _object_attach @_; 956 _object_attach @_;
622 } else { 957 } else {
623 _attach shift->_attach_registry, @_; 958 _attach shift->_attach_registry, @_;
624 } 959 }
960 _recalc_want;
625}; 961};
626 962
627# all those should be optimised 963# all those should be optimised
628sub cf::attachable::detach { 964sub cf::attachable::detach {
629 my ($obj, $name) = @_; 965 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 968 delete $obj->{_attachment}{$name};
633 reattach ($obj); 969 reattach ($obj);
634 } else { 970 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 971 Carp::croak "cannot, currently, detach class attachments";
636 } 972 }
973 _recalc_want;
637}; 974};
638 975
639sub cf::attachable::attached { 976sub cf::attachable::attached {
640 my ($obj, $name) = @_; 977 my ($obj, $name) = @_;
641 978
656 "; 993 ";
657 die if $@; 994 die if $@;
658} 995}
659 996
660our $override; 997our $override;
661our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 998our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662 999
663sub override { 1000sub override {
664 $override = 1; 1001 $override = 1;
665 @invoke_results = (); 1002 @INVOKE_RESULTS = (@_);
666} 1003}
667 1004
668sub do_invoke { 1005sub do_invoke {
669 my $event = shift; 1006 my $event = shift;
670 my $callbacks = shift; 1007 my $callbacks = shift;
671 1008
672 @invoke_results = (); 1009 @INVOKE_RESULTS = ();
673 1010
674 local $override; 1011 local $override;
675 1012
676 for (@$callbacks) { 1013 for (@$callbacks) {
677 eval { &{$_->[1]} }; 1014 eval { &{$_->[1]} };
686 } 1023 }
687 1024
688 0 1025 0
689} 1026}
690 1027
691=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1028=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692 1029
693=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694 1031
695Generate an object-specific event with the given arguments. 1032Generate an object-specific event with the given arguments.
696 1033
697This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1034This 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 1035removed in future versions), and there is no public API to access override
699results (if you must, access C<@cf::invoke_results> directly). 1036results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 1037
701=back 1038=back
702 1039
703=cut 1040=cut
704 1041
705############################################################################# 1042#############################################################################
706# object support 1043# object support
1044
1045sub _object_equal($$);
1046sub _object_equal($$) {
1047 my ($a, $b) = @_;
1048
1049 return 0 unless (ref $a) eq (ref $b);
1050
1051 if ("HASH" eq ref $a) {
1052 my @ka = keys %$a;
1053 my @kb = keys %$b;
1054
1055 return 0 if @ka != @kb;
1056
1057 for (0 .. $#ka) {
1058 return 0 unless $ka[$_] eq $kb[$_];
1059 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1060 }
1061
1062 } elsif ("ARRAY" eq ref $a) {
1063
1064 return 0 if @$a != @$b;
1065
1066 for (0 .. $#$a) {
1067 return 0 unless _object_equal $a->[$_], $b->[$_];
1068 }
1069
1070 } elsif ($a ne $b) {
1071 return 0;
1072 }
1073
1074 1
1075}
1076
1077our $SLOW_MERGES;#d#
1078sub _can_merge {
1079 my ($ob1, $ob2) = @_;
1080
1081 ++$SLOW_MERGES;#d#
1082
1083 # we do the slow way here
1084 return _object_equal $ob1, $ob2
1085}
707 1086
708sub reattach { 1087sub reattach {
709 # basically do the same as instantiate, without calling instantiate 1088 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 1089 my ($obj) = @_;
711 1090
732cf::attachable->attach ( 1111cf::attachable->attach (
733 prio => -1000000, 1112 prio => -1000000,
734 on_instantiate => sub { 1113 on_instantiate => sub {
735 my ($obj, $data) = @_; 1114 my ($obj, $data) = @_;
736 1115
737 $data = from_json $data; 1116 $data = decode_json $data;
738 1117
739 for (@$data) { 1118 for (@$data) {
740 my ($name, $args) = @$_; 1119 my ($name, $args) = @$_;
741 1120
742 $obj->attach ($name, %{$args || {} }); 1121 $obj->attach ($name, %{$args || {} });
758sub object_freezer_save { 1137sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1138 my ($filename, $rdata, $objs) = @_;
760 1139
761 sync_job { 1140 sync_job {
762 if (length $$rdata) { 1141 if (length $$rdata) {
1142 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1143 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1144 $decname, length $$rdata, scalar @$objs;
765 1145
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1146 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1147 aio_chmod $fh, SAVE_MODE;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1148 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1149 aio_fsync $fh if $cf::USE_FSYNC;
770 close $fh; 1150 aio_close $fh;
771 1151
772 if (@$objs) { 1152 if (@$objs) {
773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1153 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774 chmod SAVE_MODE, $fh; 1154 aio_chmod $fh, SAVE_MODE;
775 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1155 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776 aio_write $fh, 0, (length $data), $data, 0; 1156 aio_write $fh, 0, (length $data), $data, 0;
777 aio_fsync $fh if $cf::USE_FSYNC; 1157 aio_fsync $fh if $cf::USE_FSYNC;
778 close $fh; 1158 aio_close $fh;
779 aio_rename "$filename.pst~", "$filename.pst"; 1159 aio_rename "$filename.pst~", "$filename.pst";
780 } 1160 }
781 } else { 1161 } else {
782 aio_unlink "$filename.pst"; 1162 aio_unlink "$filename.pst";
783 } 1163 }
788 } 1168 }
789 } else { 1169 } else {
790 aio_unlink $filename; 1170 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
792 } 1172 }
793 } 1173 };
794} 1174}
795 1175
796sub object_freezer_as_string { 1176sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1177 my ($rdata, $objs) = @_;
798 1178
810 or return; 1190 or return;
811 1191
812 unless (aio_stat "$filename.pst") { 1192 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1193 (aio_load "$filename.pst", $av) >= 0
814 or return; 1194 or return;
1195
815 $av = eval { (Storable::thaw $av)->{objs} }; 1196 my $st = eval { Coro::Storable::thaw $av };
1197 $av = $st->{objs};
816 } 1198 }
817 1199
1200 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1201 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1202 $decname, length $data, scalar @{$av || []};
1203
820 return ($data, $av); 1204 ($data, $av)
821} 1205}
1206
1207=head2 COMMAND CALLBACKS
1208
1209=over 4
1210
1211=cut
822 1212
823############################################################################# 1213#############################################################################
824# command handling &c 1214# command handling &c
825 1215
826=item cf::register_command $name => \&callback($ob,$args); 1216=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1229 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1230}
841 1231
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1232=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1233
844Register a callbackf ro execution when the client sends an extcmd packet. 1234Register a callback for execution when the client sends an (synchronous)
1235extcmd packet. Ext commands will be processed in the order they are
1236received by the server, like other user commands. The first argument is
1237the logged-in player. Ext commands can only be processed after a player
1238has logged in successfully.
845 1239
846If the callback returns something, it is sent back as if reply was being 1240If the callback returns something, it is sent back as if reply was being
847called. 1241called.
848 1242
1243=item cf::register_exticmd $name => \&callback($ns,$packet);
1244
1245Register a callback for execution when the client sends an (asynchronous)
1246exticmd packet. Exti commands are processed by the server as soon as they
1247are received, i.e. out of order w.r.t. other commands. The first argument
1248is a client socket. Exti commands can be received anytime, even before
1249log-in.
1250
1251If the callback returns something, it is sent back as if reply was being
1252called.
1253
849=cut 1254=cut
850 1255
851sub register_extcmd { 1256sub register_extcmd {
852 my ($name, $cb) = @_; 1257 my ($name, $cb) = @_;
853 1258
854 $EXTCMD{$name} = $cb; 1259 $EXTCMD{$name} = $cb;
1260}
1261
1262sub register_exticmd {
1263 my ($name, $cb) = @_;
1264
1265 $EXTICMD{$name} = $cb;
855} 1266}
856 1267
857cf::player->attach ( 1268cf::player->attach (
858 on_command => sub { 1269 on_command => sub {
859 my ($pl, $name, $params) = @_; 1270 my ($pl, $name, $params) = @_;
868 cf::override; 1279 cf::override;
869 }, 1280 },
870 on_extcmd => sub { 1281 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1282 my ($pl, $buf) = @_;
872 1283
873 my $msg = eval { from_json $buf }; 1284 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1285
875 if (ref $msg) { 1286 if (ref $msg) {
1287 my ($type, $reply, @payload) =
1288 "ARRAY" eq ref $msg
1289 ? @$msg
1290 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291
1292 my @reply;
1293
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1294 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1295 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1296 }
1297
1298 $pl->ext_reply ($reply, @reply)
1299 if $reply;
1300
881 } else { 1301 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1302 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1303 }
884 1304
885 cf::override; 1305 cf::override;
886 }, 1306 },
887); 1307);
888 1308
889sub load_extension {
890 my ($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 { 1309sub load_extensions {
1310 cf::sync_job {
1311 my %todo;
1312
924 for my $ext (<$LIBDIR/*.ext>) { 1313 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1314 next unless -r $path;
926 eval { 1315
927 load_extension $ext; 1316 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1317 my $base = $1;
1318 my $pkg = $1;
1319 $pkg =~ s/[^[:word:]]/_/g;
1320 $pkg = "ext::$pkg";
1321
1322 open my $fh, "<:utf8", $path
1323 or die "$path: $!";
1324
1325 my $source = do { local $/; <$fh> };
1326
1327 my %ext = (
1328 path => $path,
1329 base => $base,
1330 pkg => $pkg,
1331 );
1332
1333 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335
1336 $ext{source} =
1337 "package $pkg; use strict; use utf8;\n"
1338 . "#line 1 \"$path\"\n{\n"
1339 . $source
1340 . "\n};\n1";
1341
1342 $todo{$base} = \%ext;
1343 }
1344
1345 my %done;
1346 while (%todo) {
1347 my $progress;
1348
1349 while (my ($k, $v) = each %todo) {
1350 for (split /,\s*/, $v->{meta}{depends}) {
1351 goto skip
1352 unless exists $done{$_};
1353 }
1354
1355 warn "... loading '$k' into '$v->{pkg}'\n";
1356
1357 unless (eval $v->{source}) {
1358 my $msg = $@ ? "$v->{path}: $@\n"
1359 : "$v->{base}: extension inactive.\n";
1360
1361 if (exists $v->{meta}{mandatory}) {
1362 warn $msg;
1363 cf::cleanup "mandatory extension failed to load, exiting.";
1364 }
1365
1366 warn $msg;
1367 }
1368
1369 $done{$k} = delete $todo{$k};
1370 push @EXTS, $v->{pkg};
1371 $progress = 1;
928 1 1372 }
929 } or warn "$ext not loaded: $@"; 1373
1374 skip:
1375 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1376 unless $progress;
1377 }
930 } 1378 };
931} 1379}
932 1380
933############################################################################# 1381#############################################################################
934 1382
1383=back
1384
935=head2 CORE EXTENSIONS 1385=head2 CORE EXTENSIONS
936 1386
937Functions and methods that extend core crossfire objects. 1387Functions and methods that extend core crossfire objects.
938 1388
939=cut 1389=cut
944 1394
945=head3 cf::player 1395=head3 cf::player
946 1396
947=over 4 1397=over 4
948 1398
1399=item cf::player::num_playing
1400
1401Returns the official number of playing players, as per the Crossfire metaserver rules.
1402
1403=cut
1404
1405sub num_playing {
1406 scalar grep
1407 $_->ob->map
1408 && !$_->hidden
1409 && !$_->ob->flag (cf::FLAG_WIZ),
1410 cf::player::list
1411}
1412
949=item cf::player::find $login 1413=item cf::player::find $login
950 1414
951Returns the given player object, loading it if necessary (might block). 1415Returns the given player object, loading it if necessary (might block).
952 1416
953=cut 1417=cut
954 1418
955sub playerdir($) { 1419sub playerdir($) {
956 cf::localdir 1420 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1421 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1422}
962 1423
963sub path($) { 1424sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1425 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
991 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1452 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1453 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1454 aio_unlink +(playerdir $login) . "/$login.pl.pst";
994 aio_unlink +(playerdir $login) . "/$login.pl"; 1455 aio_unlink +(playerdir $login) . "/$login.pl";
995 1456
996 my $pl = load_pl path $login 1457 my $f = new_from_file cf::object::thawer path $login
997 or return; 1458 or return;
1459
1460 my $pl = cf::player::load_pl $f
1461 or return;
1462
1463 local $cf::PLAYER_LOADING{$login} = $pl;
1464 $f->resolve_delayed_derefs;
998 $cf::PLAYER{$login} = $pl 1465 $cf::PLAYER{$login} = $pl
999 } 1466 }
1000 } 1467 }
1001} 1468}
1002 1469
1011 return if $pl->{deny_save}; 1478 return if $pl->{deny_save};
1012 1479
1013 aio_mkdir playerdir $pl, 0770; 1480 aio_mkdir playerdir $pl, 0770;
1014 $pl->{last_save} = $cf::RUNTIME; 1481 $pl->{last_save} = $cf::RUNTIME;
1015 1482
1483 cf::get_slot 0.01;
1484
1016 $pl->save_pl ($path); 1485 $pl->save_pl ($path);
1017 Coro::cede; 1486 cf::cede_to_tick;
1018} 1487}
1019 1488
1020sub new($) { 1489sub new($) {
1021 my ($login) = @_; 1490 my ($login) = @_;
1022 1491
1028 $cf::PLAYER{$login} = $self; 1497 $cf::PLAYER{$login} = $self;
1029 1498
1030 $self 1499 $self
1031} 1500}
1032 1501
1502=item $player->send_msg ($channel, $msg, $color, [extra...])
1503
1504=cut
1505
1506sub send_msg {
1507 my $ns = shift->ns
1508 or return;
1509 $ns->send_msg (@_);
1510}
1511
1033=item $pl->quit_character 1512=item $pl->quit_character
1034 1513
1035Nukes the player without looking back. If logged in, the connection will 1514Nukes the player without looking back. If logged in, the connection will
1036be destroyed. May block for a long time. 1515be destroyed. May block for a long time.
1037 1516
1045 $pl->{deny_save} = 1; 1524 $pl->{deny_save} = 1;
1046 $pl->password ("*"); # this should lock out the player until we nuked the dir 1525 $pl->password ("*"); # this should lock out the player until we nuked the dir
1047 1526
1048 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1527 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049 $pl->deactivate; 1528 $pl->deactivate;
1529 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530 $pl->ob->check_score;
1050 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1531 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1051 $pl->ns->destroy if $pl->ns; 1532 $pl->ns->destroy if $pl->ns;
1052 1533
1053 my $path = playerdir $pl; 1534 my $path = playerdir $pl;
1054 my $temp = "$path~$cf::RUNTIME~deleting~"; 1535 my $temp = "$path~$cf::RUNTIME~deleting~";
1084while and may block, so not sync_job-capable, ever. 1565while and may block, so not sync_job-capable, ever.
1085 1566
1086=cut 1567=cut
1087 1568
1088sub list_logins { 1569sub list_logins {
1089 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1570 my $dirs = aio_readdir $PLAYERDIR
1090 or return []; 1571 or return [];
1091 1572
1092 my @logins; 1573 my @logins;
1093 1574
1094 for my $login (@$dirs) { 1575 for my $login (@$dirs) {
1576 my $path = path $login;
1577
1578 # a .pst is a dead give-away for a valid player
1579 # if no pst file found, open and chekc for blocked users
1580 if (aio_stat "$path.pst") {
1095 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1581 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096 aio_read $fh, 0, 512, my $buf, 0 or next; 1582 aio_read $fh, 0, 512, my $buf, 0 or next;
1097 $buf !~ /^password -------------$/m or next; # official not-valid tag 1583 $buf !~ /^password -------------$/m or next; # official not-valid tag
1584 }
1098 1585
1099 utf8::decode $login; 1586 utf8::decode $login;
1100 push @logins, $login; 1587 push @logins, $login;
1101 } 1588 }
1102 1589
1129 } 1616 }
1130 1617
1131 \@paths 1618 \@paths
1132} 1619}
1133 1620
1621=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1622
1623Expand crossfire pod fragments into protocol xml.
1624
1625=cut
1626
1627use re 'eval';
1628
1629my $group;
1630my $interior; $interior = qr{
1631 # match a pod interior sequence sans C<< >>
1632 (?:
1633 \ (.*?)\ (?{ $group = $^N })
1634 | < (??{$interior}) >
1635 )
1636}x;
1637
1638sub expand_cfpod {
1639 my ($self, $pod) = @_;
1640
1641 my $xml;
1642
1643 while () {
1644 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645 $group = $1;
1646
1647 $group =~ s/&/&amp;/g;
1648 $group =~ s/</&lt;/g;
1649
1650 $xml .= $group;
1651 } elsif ($pod =~ m%\G
1652 ([BCGHITU])
1653 <
1654 (?:
1655 ([^<>]*) (?{ $group = $^N })
1656 | < $interior >
1657 )
1658 >
1659 %gcsx
1660 ) {
1661 my ($code, $data) = ($1, $group);
1662
1663 if ($code eq "B") {
1664 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665 } elsif ($code eq "I") {
1666 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667 } elsif ($code eq "U") {
1668 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669 } elsif ($code eq "C") {
1670 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671 } elsif ($code eq "T") {
1672 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673 } elsif ($code eq "G") {
1674 my ($male, $female) = split /\|/, $data;
1675 $data = $self->gender ? $female : $male;
1676 $xml .= expand_cfpod ($self, $data);
1677 } elsif ($code eq "H") {
1678 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680 "")
1681 [$self->{hintmode}];
1682 } else {
1683 $xml .= "error processing '$code($data)' directive";
1684 }
1685 } else {
1686 if ($pod =~ /\G(.+)/) {
1687 warn "parse error while expanding $pod (at $1)";
1688 }
1689 last;
1690 }
1691 }
1692
1693 for ($xml) {
1694 # create single paragraphs (very hackish)
1695 s/(?<=\S)\n(?=\w)/ /g;
1696
1697 # compress some whitespace
1698 s/\s+\n/\n/g; # ws line-ends
1699 s/\n\n+/\n/g; # double lines
1700 s/^\n+//; # beginning lines
1701 s/\n+$//; # ending lines
1702 }
1703
1704 $xml
1705}
1706
1707no re 'eval';
1708
1709sub hintmode {
1710 $_[0]{hintmode} = $_[1] if @_ > 1;
1711 $_[0]{hintmode}
1712}
1713
1134=item $player->ext_reply ($msgid, %msg) 1714=item $player->ext_reply ($msgid, @msg)
1135 1715
1136Sends an ext reply to the player. 1716Sends an ext reply to the player.
1137 1717
1138=cut 1718=cut
1139 1719
1140sub ext_reply($$%) { 1720sub ext_reply($$@) {
1141 my ($self, $id, %msg) = @_; 1721 my ($self, $id, @msg) = @_;
1142 1722
1143 $msg{msgid} = $id; 1723 $self->ns->ext_reply ($id, @msg)
1144
1145 $self->send ("ext " . cf::to_json \%msg);
1146} 1724}
1147 1725
1148=item $player->ext_event ($type, %msg) 1726=item $player->ext_msg ($type, @msg)
1149 1727
1150Sends an ext event to the client. 1728Sends an ext event to the client.
1151 1729
1152=cut 1730=cut
1153 1731
1154sub ext_event($$%) { 1732sub ext_msg($$@) {
1155 my ($self, $type, %msg) = @_; 1733 my ($self, $type, @msg) = @_;
1156 1734
1157 $self->ns->ext_event ($type, %msg); 1735 $self->ns->ext_msg ($type, @msg);
1158} 1736}
1159 1737
1160=head3 cf::region 1738=head3 cf::region
1161 1739
1162=over 4 1740=over 4
1165 1743
1166package cf::region; 1744package cf::region;
1167 1745
1168=item cf::region::find_by_path $path 1746=item cf::region::find_by_path $path
1169 1747
1170Tries to decuce the probable region for a map knowing only its path. 1748Tries to decuce the likely region for a map knowing only its path.
1171 1749
1172=cut 1750=cut
1173 1751
1174sub find_by_path($) { 1752sub find_by_path($) {
1175 my ($path) = @_; 1753 my ($path) = @_;
1176 1754
1177 my ($match, $specificity); 1755 my ($match, $specificity);
1178 1756
1179 for my $region (list) { 1757 for my $region (list) {
1180 if ($region->match && $path =~ $region->match) { 1758 if ($region->{match} && $path =~ $region->{match}) {
1181 ($match, $specificity) = ($region, $region->specificity) 1759 ($match, $specificity) = ($region, $region->specificity)
1182 if $region->specificity > $specificity; 1760 if $region->specificity > $specificity;
1183 } 1761 }
1184 } 1762 }
1185 1763
1206our $MAX_RESET = 3600; 1784our $MAX_RESET = 3600;
1207our $DEFAULT_RESET = 3000; 1785our $DEFAULT_RESET = 3000;
1208 1786
1209sub generate_random_map { 1787sub generate_random_map {
1210 my ($self, $rmp) = @_; 1788 my ($self, $rmp) = @_;
1789
1790 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791
1211 # mit "rum" bekleckern, nicht 1792 # mit "rum" bekleckern, nicht
1212 $self->_create_random_map ( 1793 $self->_create_random_map (
1213 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1794 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1795 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1796 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1249 my ($self, $merge) = @_; 1830 my ($self, $merge) = @_;
1250 1831
1251 # we have to keep some variables in memory intact 1832 # we have to keep some variables in memory intact
1252 local $self->{path}; 1833 local $self->{path};
1253 local $self->{load_path}; 1834 local $self->{load_path};
1254 local $self->{deny_save};
1255 local $self->{deny_reset};
1256 1835
1257 $self->SUPER::thawer_merge ($merge); 1836 $self->SUPER::thawer_merge ($merge);
1258} 1837}
1259 1838
1260sub normalise { 1839sub normalise {
1307 $self->init; # pass $1 etc. 1886 $self->init; # pass $1 etc.
1308 return $self; 1887 return $self;
1309 } 1888 }
1310 } 1889 }
1311 1890
1312 Carp::carp "unable to resolve path '$path' (base '$base')."; 1891 Carp::cluck "unable to resolve path '$path' (base '$base').";
1313 () 1892 ()
1314} 1893}
1315 1894
1316sub init { 1895sub init {
1317 my ($self) = @_; 1896 my ($self) = @_;
1332 1911
1333# the original (read-only) location 1912# the original (read-only) location
1334sub load_path { 1913sub load_path {
1335 my ($self) = @_; 1914 my ($self) = @_;
1336 1915
1337 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1916 "$MAPDIR/$self->{path}.map"
1338} 1917}
1339 1918
1340# the temporary/swap location 1919# the temporary/swap location
1341sub save_path { 1920sub save_path {
1342 my ($self) = @_; 1921 my ($self) = @_;
1343 1922
1344 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1923 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1924 "$TMPDIR/$path.map"
1346} 1925}
1347 1926
1348# the unique path, undef == no special unique path 1927# the unique path, undef == no special unique path
1349sub uniq_path { 1928sub uniq_path {
1350 my ($self) = @_; 1929 my ($self) = @_;
1351 1930
1352 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1931 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1932 "$UNIQUEDIR/$path"
1354} 1933}
1355 1934
1356# and all this just because we cannot iterate over 1935# and all this just because we cannot iterate over
1357# all maps in C++... 1936# all maps in C++...
1358sub change_all_map_light { 1937sub change_all_map_light {
1360 1939
1361 $_->change_map_light ($change) 1940 $_->change_map_light ($change)
1362 for grep $_->outdoor, values %cf::MAP; 1941 for grep $_->outdoor, values %cf::MAP;
1363} 1942}
1364 1943
1944sub decay_objects {
1945 my ($self) = @_;
1946
1947 return if $self->{deny_reset};
1948
1949 $self->do_decay_objects;
1950}
1951
1365sub unlink_save { 1952sub unlink_save {
1366 my ($self) = @_; 1953 my ($self) = @_;
1367 1954
1368 utf8::encode (my $save = $self->save_path); 1955 utf8::encode (my $save = $self->save_path);
1369 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1956 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1372 1959
1373sub load_header_from($) { 1960sub load_header_from($) {
1374 my ($self, $path) = @_; 1961 my ($self, $path) = @_;
1375 1962
1376 utf8::encode $path; 1963 utf8::encode $path;
1377 #aio_open $path, O_RDONLY, 0 1964 my $f = new_from_file cf::object::thawer $path
1378 # or return;
1379
1380 $self->_load_header ($path)
1381 or return; 1965 or return;
1966
1967 $self->_load_header ($f)
1968 or return;
1969
1970 local $MAP_LOADING{$self->{path}} = $self;
1971 $f->resolve_delayed_derefs;
1382 1972
1383 $self->{load_path} = $path; 1973 $self->{load_path} = $path;
1384 1974
1385 1 1975 1
1386} 1976}
1425 $self->load_header_orig 2015 $self->load_header_orig
1426 or return; 2016 or return;
1427 $self->prepare_orig; 2017 $self->prepare_orig;
1428 } 2018 }
1429 2019
2020 $self->{deny_reset} = 1
2021 if $self->no_reset;
2022
1430 $self->default_region (cf::region::find_by_path $self->{path}) 2023 $self->default_region (cf::region::find_by_path $self->{path})
1431 unless $self->default_region; 2024 unless $self->default_region;
1432 2025
1433 1 2026 1
1434} 2027}
1437sub find { 2030sub find {
1438 my ($path, $origin) = @_; 2031 my ($path, $origin) = @_;
1439 2032
1440 $path = normalise $path, $origin && $origin->path; 2033 $path = normalise $path, $origin && $origin->path;
1441 2034
2035 cf::lock_wait "map_data:$path";#d#remove
1442 cf::lock_wait "map_find:$path"; 2036 cf::lock_wait "map_find:$path";
1443 2037
1444 $cf::MAP{$path} || do { 2038 $cf::MAP{$path} || do {
2039 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445 my $guard = cf::lock_acquire "map_find:$path"; 2040 my $guard2 = cf::lock_acquire "map_find:$path";
2041
1446 my $map = new_from_path cf::map $path 2042 my $map = new_from_path cf::map $path
1447 or return; 2043 or return;
1448 2044
1449 $map->{last_save} = $cf::RUNTIME; 2045 $map->{last_save} = $cf::RUNTIME;
1450 2046
1451 $map->load_header 2047 $map->load_header
1452 or return; 2048 or return;
1453 2049
1454 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2050 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455 # doing this can freeze the server in a sync job, obviously 2051 # doing this can freeze the server in a sync job, obviously
1456 #$cf::WAIT_FOR_TICK->wait; 2052 #$cf::WAIT_FOR_TICK->wait;
2053 undef $guard2;
2054 undef $guard1;
1457 $map->reset; 2055 $map->reset;
1458 undef $guard;
1459 return find $path; 2056 return find $path;
1460 } 2057 }
1461 2058
1462 $cf::MAP{$path} = $map 2059 $cf::MAP{$path} = $map
1463 } 2060 }
1470 my ($self) = @_; 2067 my ($self) = @_;
1471 2068
1472 local $self->{deny_reset} = 1; # loading can take a long time 2069 local $self->{deny_reset} = 1; # loading can take a long time
1473 2070
1474 my $path = $self->{path}; 2071 my $path = $self->{path};
2072
2073 {
1475 my $guard = cf::lock_acquire "map_load:$path"; 2074 my $guard = cf::lock_acquire "map_data:$path";
1476 2075
2076 return unless $self->valid;
1477 return if $self->in_memory != cf::MAP_SWAPPED; 2077 return unless $self->in_memory == cf::MAP_SWAPPED;
1478 2078
1479 $self->in_memory (cf::MAP_LOADING); 2079 $self->in_memory (cf::MAP_LOADING);
1480 2080
1481 $self->alloc; 2081 $self->alloc;
1482 2082
1483 $self->pre_load; 2083 $self->pre_load;
1484 Coro::cede; 2084 cf::cede_to_tick;
1485 2085
1486 $self->_load_objects ($self->{load_path}, 1) 2086 my $f = new_from_file cf::object::thawer $self->{load_path};
2087 $f->skip_block;
2088 $self->_load_objects ($f)
1487 or return; 2089 or return;
1488 2090
1489 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2091 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490 if delete $self->{load_original}; 2092 if delete $self->{load_original};
1491 2093
1492 if (my $uniq = $self->uniq_path) { 2094 if (my $uniq = $self->uniq_path) {
1493 utf8::encode $uniq; 2095 utf8::encode $uniq;
1494 if (aio_open $uniq, O_RDONLY, 0) { 2096 unless (aio_stat $uniq) {
2097 if (my $f = new_from_file cf::object::thawer $uniq) {
1495 $self->clear_unique_items; 2098 $self->clear_unique_items;
1496 $self->_load_objects ($uniq, 0); 2099 $self->_load_objects ($f);
2100 $f->resolve_delayed_derefs;
2101 }
1497 } 2102 }
1498 } 2103 }
1499 2104
1500 Coro::cede; 2105 $f->resolve_delayed_derefs;
2106
2107 cf::cede_to_tick;
1501 # now do the right thing for maps 2108 # now do the right thing for maps
1502 $self->link_multipart_objects; 2109 $self->link_multipart_objects;
1503 Coro::cede;
1504
1505 unless ($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) 2110 $self->difficulty ($self->estimate_difficulty)
1512 unless $self->difficulty; 2111 unless $self->difficulty;
1513 Coro::cede; 2112 cf::cede_to_tick;
2113
2114 unless ($self->{deny_activate}) {
2115 $self->decay_objects;
2116 $self->fix_auto_apply;
2117 $self->update_buttons;
2118 cf::cede_to_tick;
2119 $self->set_darkness_map;
2120 cf::cede_to_tick;
1514 $self->activate; 2121 $self->activate;
1515 Coro::cede; 2122 }
2123
2124 $self->{last_save} = $cf::RUNTIME;
2125 $self->last_access ($cf::RUNTIME);
2126
2127 $self->in_memory (cf::MAP_ACTIVE);
1516 } 2128 }
1517 2129
1518 $self->post_load; 2130 $self->post_load;
1519 Coro::cede;
1520
1521 $self->in_memory (cf::MAP_IN_MEMORY);
1522} 2131}
1523 2132
1524sub customise_for { 2133sub customise_for {
1525 my ($self, $ob) = @_; 2134 my ($self, $ob) = @_;
1526 2135
1527 return find "~" . $ob->name . "/" . $self->{path} 2136 return find "~" . $ob->name . "/" . $self->{path}
1528 if $self->per_player; 2137 if $self->per_player;
1529 2138
2139# return find "?party/" . $ob->name . "/" . $self->{path}
2140# if $self->per_party;
2141
1530 $self 2142 $self
1531} 2143}
1532 2144
1533# find and load all maps in the 3x3 area around a map 2145# find and load all maps in the 3x3 area around a map
1534sub load_diag { 2146sub load_neighbours {
1535 my ($map) = @_; 2147 my ($map) = @_;
1536 2148
1537 my @diag; # diagonal neighbours 2149 my @neigh; # diagonal neighbours
1538 2150
1539 for (0 .. 3) { 2151 for (0 .. 3) {
1540 my $neigh = $map->tile_path ($_) 2152 my $neigh = $map->tile_path ($_)
1541 or next; 2153 or next;
1542 $neigh = find $neigh, $map 2154 $neigh = find $neigh, $map
1543 or next; 2155 or next;
1544 $neigh->load; 2156 $neigh->load;
1545 2157
2158 push @neigh,
1546 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2159 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2160 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1548 } 2161 }
1549 2162
1550 for (@diag) { 2163 for (grep defined $_->[0], @neigh) {
2164 my ($path, $origin) = @$_;
1551 my $neigh = find @$_ 2165 my $neigh = find $path, $origin
1552 or next; 2166 or next;
1553 $neigh->load; 2167 $neigh->load;
1554 } 2168 }
1555} 2169}
1556 2170
1561} 2175}
1562 2176
1563sub do_load_sync { 2177sub do_load_sync {
1564 my ($map) = @_; 2178 my ($map) = @_;
1565 2179
2180 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2181 if $Coro::current == $Coro::main;
2182
1566 cf::sync_job { $map->load }; 2183 cf::sync_job { $map->load };
1567} 2184}
1568 2185
1569our %MAP_PREFETCH; 2186our %MAP_PREFETCH;
1570our $MAP_PREFETCHER = undef; 2187our $MAP_PREFETCHER = undef;
1571 2188
1572sub find_async { 2189sub find_async {
1573 my ($path, $origin) = @_; 2190 my ($path, $origin, $load) = @_;
1574 2191
1575 $path = normalise $path, $origin && $origin->{path}; 2192 $path = normalise $path, $origin && $origin->{path};
1576 2193
1577 if (my $map = $cf::MAP{$path}) { 2194 if (my $map = $cf::MAP{$path}) {
1578 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2195 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579 } 2196 }
1580 2197
1581 undef $MAP_PREFETCH{$path}; 2198 $MAP_PREFETCH{$path} |= $load;
2199
1582 $MAP_PREFETCHER ||= cf::async { 2200 $MAP_PREFETCHER ||= cf::async {
2201 $Coro::current->{desc} = "map prefetcher";
2202
1583 while (%MAP_PREFETCH) { 2203 while (%MAP_PREFETCH) {
1584 for my $path (keys %MAP_PREFETCH) { 2204 while (my ($k, $v) = each %MAP_PREFETCH) {
1585 my $map = find $path 2205 if (my $map = find $k) {
1586 or next;
1587 $map->load; 2206 $map->load if $v;
2207 }
1588 2208
1589 delete $MAP_PREFETCH{$path}; 2209 delete $MAP_PREFETCH{$k};
1590 } 2210 }
1591 } 2211 }
1592 undef $MAP_PREFETCHER; 2212 undef $MAP_PREFETCHER;
1593 }; 2213 };
1594 $MAP_PREFETCHER->prio (6); 2214 $MAP_PREFETCHER->prio (6);
1597} 2217}
1598 2218
1599sub save { 2219sub save {
1600 my ($self) = @_; 2220 my ($self) = @_;
1601 2221
1602 my $lock = cf::lock_acquire "map_data:" . $self->path; 2222 my $lock = cf::lock_acquire "map_data:$self->{path}";
1603 2223
1604 $self->{last_save} = $cf::RUNTIME; 2224 $self->{last_save} = $cf::RUNTIME;
1605 2225
1606 return unless $self->dirty; 2226 return unless $self->dirty;
1607 2227
1613 return if $self->{deny_save}; 2233 return if $self->{deny_save};
1614 2234
1615 local $self->{last_access} = $self->last_access;#d# 2235 local $self->{last_access} = $self->last_access;#d#
1616 2236
1617 cf::async { 2237 cf::async {
2238 $Coro::current->{desc} = "map player save";
1618 $_->contr->save for $self->players; 2239 $_->contr->save for $self->players;
1619 }; 2240 };
2241
2242 cf::get_slot 0.02;
1620 2243
1621 if ($uniq) { 2244 if ($uniq) {
1622 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2245 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2246 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1624 } else { 2247 } else {
1630 my ($self) = @_; 2253 my ($self) = @_;
1631 2254
1632 # save first because save cedes 2255 # save first because save cedes
1633 $self->save; 2256 $self->save;
1634 2257
1635 my $lock = cf::lock_acquire "map_data:" . $self->path; 2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
1636 2259
1637 return if $self->players; 2260 return if $self->players;
1638 return if $self->in_memory != cf::MAP_IN_MEMORY; 2261 return if $self->in_memory != cf::MAP_ACTIVE;
1639 return if $self->{deny_save}; 2262 return if $self->{deny_save};
1640 2263
2264 $self->in_memory (cf::MAP_SWAPPED);
2265
2266 $self->deactivate;
2267 $_->clear_links_to ($self) for values %cf::MAP;
1641 $self->clear; 2268 $self->clear;
1642 $self->in_memory (cf::MAP_SWAPPED);
1643} 2269}
1644 2270
1645sub reset_at { 2271sub reset_at {
1646 my ($self) = @_; 2272 my ($self) = @_;
1647 2273
1648 # TODO: safety, remove and allow resettable per-player maps 2274 # 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}; 2275 return 1e99 if $self->{deny_reset};
1651 2276
1652 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2277 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2278 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654 2279
1665 my ($self) = @_; 2290 my ($self) = @_;
1666 2291
1667 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2292 my $lock = cf::lock_acquire "map_data:$self->{path}";
1668 2293
1669 return if $self->players; 2294 return if $self->players;
1670 return if $self->isa ("ext::map_per_player");#d#
1671 2295
1672 warn "resetting map ", $self->path;#d# 2296 warn "resetting map ", $self->path;
1673 2297
1674 $self->in_memory (cf::MAP_SWAPPED); 2298 $self->in_memory (cf::MAP_SWAPPED);
1675 2299
1676 # need to save uniques path 2300 # need to save uniques path
1677 unless ($self->{deny_save}) { 2301 unless ($self->{deny_save}) {
1681 if $uniq; 2305 if $uniq;
1682 } 2306 }
1683 2307
1684 delete $cf::MAP{$self->path}; 2308 delete $cf::MAP{$self->path};
1685 2309
2310 $self->deactivate;
2311 $_->clear_links_to ($self) for values %cf::MAP;
1686 $self->clear; 2312 $self->clear;
1687
1688 $_->clear_links_to ($self) for values %cf::MAP;
1689 2313
1690 $self->unlink_save; 2314 $self->unlink_save;
1691 $self->destroy; 2315 $self->destroy;
1692} 2316}
1693 2317
1694my $nuke_counter = "aaaa"; 2318my $nuke_counter = "aaaa";
1695 2319
1696sub nuke { 2320sub nuke {
1697 my ($self) = @_; 2321 my ($self) = @_;
1698 2322
2323 {
2324 my $lock = cf::lock_acquire "map_data:$self->{path}";
2325
1699 delete $cf::MAP{$self->path}; 2326 delete $cf::MAP{$self->path};
1700 2327
1701 $self->unlink_save; 2328 $self->unlink_save;
1702 2329
1703 bless $self, "cf::map"; 2330 bless $self, "cf::map";
1704 delete $self->{deny_reset}; 2331 delete $self->{deny_reset};
1705 $self->{deny_save} = 1; 2332 $self->{deny_save} = 1;
1706 $self->reset_timeout (1); 2333 $self->reset_timeout (1);
1707 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2334 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708 2335
1709 $cf::MAP{$self->path} = $self; 2336 $cf::MAP{$self->path} = $self;
2337 }
1710 2338
1711 $self->reset; # polite request, might not happen 2339 $self->reset; # polite request, might not happen
2340}
2341
2342=item $maps = cf::map::tmp_maps
2343
2344Returns an arrayref with all map paths of currently instantiated and saved
2345maps. May block.
2346
2347=cut
2348
2349sub tmp_maps() {
2350 [
2351 map {
2352 utf8::decode $_;
2353 /\.map$/
2354 ? normalise $_
2355 : ()
2356 } @{ aio_readdir $TMPDIR or [] }
2357 ]
2358}
2359
2360=item $maps = cf::map::random_maps
2361
2362Returns an arrayref with all map paths of currently instantiated and saved
2363random maps. May block.
2364
2365=cut
2366
2367sub random_maps() {
2368 [
2369 map {
2370 utf8::decode $_;
2371 /\.map$/
2372 ? normalise "?random/$_"
2373 : ()
2374 } @{ aio_readdir $RANDOMDIR or [] }
2375 ]
1712} 2376}
1713 2377
1714=item cf::map::unique_maps 2378=item cf::map::unique_maps
1715 2379
1716Returns an arrayref of paths of all shared maps that have 2380Returns an arrayref of paths of all shared maps that have
1717instantiated unique items. May block. 2381instantiated unique items. May block.
1718 2382
1719=cut 2383=cut
1720 2384
1721sub unique_maps() { 2385sub unique_maps() {
1722 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2386 [
1723 or return; 2387 map {
1724
1725 my @paths;
1726
1727 for (@$files) {
1728 utf8::decode $_; 2388 utf8::decode $_;
1729 next if /\.pst$/; 2389 s/\.map$//; # TODO future compatibility hack
1730 next unless /^$PATH_SEP/o; 2390 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731 2391 ? ()
1732 push @paths, cf::map::normalise $_; 2392 : normalise $_
2393 } @{ aio_readdir $UNIQUEDIR or [] }
1733 } 2394 ]
1734
1735 \@paths
1736} 2395}
1737
1738package cf;
1739 2396
1740=back 2397=back
1741 2398
1742=head3 cf::object 2399=head3 cf::object
1743 2400
1747 2404
1748=over 4 2405=over 4
1749 2406
1750=item $ob->inv_recursive 2407=item $ob->inv_recursive
1751 2408
1752Returns the inventory of the object _and_ their inventories, recursively. 2409Returns the inventory of the object I<and> their inventories, recursively,
2410but I<not> the object itself.
1753 2411
1754=cut 2412=cut
1755 2413
1756sub inv_recursive_; 2414sub inv_recursive_;
1757sub inv_recursive_ { 2415sub inv_recursive_ {
1760 2418
1761sub inv_recursive { 2419sub inv_recursive {
1762 inv_recursive_ inv $_[0] 2420 inv_recursive_ inv $_[0]
1763} 2421}
1764 2422
2423=item $ref = $ob->ref
2424
2425Creates and returns a persistent reference to an object that can be stored as a string.
2426
2427=item $ob = cf::object::deref ($refstring)
2428
2429returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2430even if the object actually exists. May block.
2431
2432=cut
2433
2434sub deref {
2435 my ($ref) = @_;
2436
2437 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2438 my ($uuid, $name) = ($1, $2);
2439 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2440 or return;
2441 $pl->ob->uuid eq $uuid
2442 or return;
2443
2444 $pl->ob
2445 } else {
2446 warn "$ref: cannot resolve object reference\n";
2447 undef
2448 }
2449}
2450
1765package cf; 2451package cf;
1766 2452
1767=back 2453=back
1768 2454
1769=head3 cf::object::player 2455=head3 cf::object::player
1775Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2461Sends 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 2462can be C<undef>. Does the right thing when the player is currently in a
1777dialogue with the given NPC character. 2463dialogue with the given NPC character.
1778 2464
1779=cut 2465=cut
2466
2467our $SAY_CHANNEL = {
2468 id => "say",
2469 title => "Map",
2470 reply => "say ",
2471 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2472};
2473
2474our $CHAT_CHANNEL = {
2475 id => "chat",
2476 title => "Chat",
2477 reply => "chat ",
2478 tooltip => "Player chat and shouts, global to the server.",
2479};
1780 2480
1781# rough implementation of a future "reply" method that works 2481# rough implementation of a future "reply" method that works
1782# with dialog boxes. 2482# with dialog boxes.
1783#TODO: the first argument must go, split into a $npc->reply_to ( method 2483#TODO: the first argument must go, split into a $npc->reply_to ( method
1784sub cf::object::player::reply($$$;$) { 2484sub cf::object::player::reply($$$;$) {
1786 2486
1787 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2487 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788 2488
1789 if ($self->{record_replies}) { 2489 if ($self->{record_replies}) {
1790 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2490 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2491
1791 } else { 2492 } else {
2493 my $pl = $self->contr;
2494
2495 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2496 my $dialog = $pl->{npc_dialog};
2497 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2498
2499 } else {
1792 $msg = $npc->name . " says: $msg" if $npc; 2500 $msg = $npc->name . " says: $msg" if $npc;
1793 $self->message ($msg, $flags); 2501 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2502 }
1794 } 2503 }
2504}
2505
2506=item $object->send_msg ($channel, $msg, $color, [extra...])
2507
2508=cut
2509
2510sub cf::object::send_msg {
2511 my $pl = shift->contr
2512 or return;
2513 $pl->send_msg (@_);
1795} 2514}
1796 2515
1797=item $player_object->may ("access") 2516=item $player_object->may ("access")
1798 2517
1799Returns wether the given player is authorized to access resource "access" 2518Returns wether the given player is authorized to access resource "access"
1846 $self->deactivate_recursive; 2565 $self->deactivate_recursive;
1847 2566
1848 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2567 return if UNIVERSAL::isa $self->map, "ext::map_link";
1849 2568
1850 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2569 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851 if $self->map; 2570 if $self->map && $self->map->{path} ne "{link}";
1852 2571
1853 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2572 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1854} 2573}
1855 2574
1856sub cf::object::player::leave_link { 2575sub cf::object::player::leave_link {
1857 my ($self, $map, $x, $y) = @_; 2576 my ($self, $map, $x, $y) = @_;
2577
2578 return unless $self->contr->active;
1858 2579
1859 my $link_pos = delete $self->{_link_pos}; 2580 my $link_pos = delete $self->{_link_pos};
1860 2581
1861 unless ($map) { 2582 unless ($map) {
1862 # restore original map position 2583 # restore original map position
1876 # use -1 or undef as default coordinates, not 0, 0 2597 # use -1 or undef as default coordinates, not 0, 0
1877 ($x, $y) = ($map->enter_x, $map->enter_y) 2598 ($x, $y) = ($map->enter_x, $map->enter_y)
1878 if $x <=0 && $y <= 0; 2599 if $x <=0 && $y <= 0;
1879 2600
1880 $map->load; 2601 $map->load;
1881 $map->load_diag; 2602 $map->load_neighbours;
1882 2603
1883 return unless $self->contr->active; 2604 return unless $self->contr->active;
1884 $self->activate_recursive; 2605 $self->activate_recursive;
1885 2606
1886 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2607 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887 $self->enter_map ($map, $x, $y); 2608 $self->enter_map ($map, $x, $y);
1888} 2609}
1889 2610
1890cf::player->attach ( 2611=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891 on_logout => sub {
1892 my ($pl) = @_;
1893 2612
1894 # abort map switching before logout 2613Moves the player to the given map-path and coordinates by first freezing
1895 if ($pl->ob->{_link_pos}) { 2614her, loading and preparing them map, calling the provided $check callback
1896 cf::sync_job { 2615that has to return the map if sucecssful, and then unfreezes the player on
1897 $pl->ob->leave_link 2616the new (success) or old (failed) map position. In either case, $done will
1898 }; 2617be called at the end of this process.
1899 }
1900 },
1901 on_login => sub {
1902 my ($pl) = @_;
1903 2618
1904 # try to abort aborted map switching on player login :) 2619Note that $check will be called with a potentially non-loaded map, so if
1905 # should happen only on crashes 2620it needs a loaded map it has to call C<< ->load >>.
1906 if ($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 2621
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2622=cut
2623
2624our $GOTOGEN;
1925 2625
1926sub cf::object::player::goto { 2626sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2627 my ($self, $path, $x, $y, $check, $done) = @_;
2628
2629 # do generation counting so two concurrent goto's will be executed in-order
2630 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2631
1929 $self->enter_link; 2632 $self->enter_link;
1930 2633
1931 (async { 2634 (async {
2635 $Coro::current->{desc} = "player::goto $path $x $y";
2636
2637 # *tag paths override both path and x|y
2638 if ($path =~ /^\*(.*)$/) {
2639 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2640 my $ob = $obs[rand @obs];
2641
2642 # see if we actually can go there
2643 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2644 $ob = $obs[rand @obs];
2645 } else {
2646 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2647 }
2648 # else put us there anyways for now #d#
2649
2650 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2651 } else {
2652 ($path, $x, $y) = (undef, undef, undef);
2653 }
2654 }
2655
1932 my $map = eval { 2656 my $map = eval {
1933 my $map = cf::map::find $path; 2657 my $map = defined $path ? cf::map::find $path : undef;
2658
2659 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2660 $map = $map->customise_for ($self);
2661 $map = $check->($map) if $check && $map;
2662 } else {
2663 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2664 }
2665
1935 $map 2666 $map
2667 };
2668
2669 if ($@) {
2670 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2671 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2672 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2673
2674 if ($gen == $self->{_goto_generation}) {
2675 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2676 $self->leave_link ($map, $x, $y);
2677 }
2678
2679 $done->() if $done;
1940 })->prio (1); 2680 })->prio (1);
1941} 2681}
1942 2682
1943=item $player_object->enter_exit ($exit_object) 2683=item $player_object->enter_exit ($exit_object)
1944 2684
1964} 2704}
1965 2705
1966sub prepare_random_map { 2706sub prepare_random_map {
1967 my ($exit) = @_; 2707 my ($exit) = @_;
1968 2708
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971 # all this does is basically replace the /! path by 2709 # all this does is basically replace the /! path by
1972 # a new random map path (?random/...) with a seed 2710 # a new random map path (?random/...) with a seed
1973 # that depends on the exit object 2711 # that depends on the exit object
1974 2712
1975 my $rmp = parse_random_map_params $exit->msg; 2713 my $rmp = parse_random_map_params $exit->msg;
1977 if ($exit->map) { 2715 if ($exit->map) {
1978 $rmp->{region} = $exit->region->name; 2716 $rmp->{region} = $exit->region->name;
1979 $rmp->{origin_map} = $exit->map->path; 2717 $rmp->{origin_map} = $exit->map->path;
1980 $rmp->{origin_x} = $exit->x; 2718 $rmp->{origin_x} = $exit->x;
1981 $rmp->{origin_y} = $exit->y; 2719 $rmp->{origin_y} = $exit->y;
2720
2721 $exit->map->touch;
1982 } 2722 }
1983 2723
1984 $rmp->{random_seed} ||= $exit->random_seed; 2724 $rmp->{random_seed} ||= $exit->random_seed;
1985 2725
1986 my $data = cf::to_json $rmp; 2726 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987 my $md5 = Digest::MD5::md5_hex $data; 2727 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2728 my $meta = "$RANDOMDIR/$md5.meta";
1989 2729
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2730 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2731 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2732 undef $fh;
1993 aio_rename "$meta~", $meta; 2733 aio_rename "$meta~", $meta;
1994 2734
2735 my $slaying = "?random/$md5";
2736
2737 if ($exit->valid) {
1995 $exit->slaying ("?random/$md5"); 2738 $exit->slaying ("?random/$md5");
1996 $exit->msg (undef); 2739 $exit->msg (undef);
2740 }
1997 } 2741 }
1998} 2742}
1999 2743
2000sub cf::object::player::enter_exit { 2744sub cf::object::player::enter_exit {
2001 my ($self, $exit) = @_; 2745 my ($self, $exit) = @_;
2002 2746
2003 return unless $self->type == cf::PLAYER; 2747 return unless $self->type == cf::PLAYER;
2004 2748
2005 if ($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; 2749 $self->enter_link;
2017 2750
2018 (async { 2751 (async {
2019 $self->deactivate_recursive; # just to be sure 2752 $Coro::current->{desc} = "enter_exit";
2753
2020 unless (eval { 2754 unless (eval {
2755 $self->deactivate_recursive; # just to be sure
2756
2757 # random map handling
2758 {
2759 my $guard = cf::lock_acquire "exit_prepare:$exit";
2760
2761 prepare_random_map $exit
2762 if $exit->slaying eq "/!";
2763 }
2764
2765 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2766 my $x = $exit->stats->hp;
2767 my $y = $exit->stats->sp;
2768
2021 $self->goto ($slaying, $hp, $sp); 2769 $self->goto ($map, $x, $y);
2022 2770
2771 # if exit is damned, update players death & WoR home-position
2772 $self->contr->savebed ($map, $x, $y)
2773 if $exit->flag (cf::FLAG_DAMNED);
2774
2023 1; 2775 1
2024 }) { 2776 }) {
2025 $self->message ("Something went wrong deep within the crossfire server. " 2777 $self->message ("Something went wrong deep within the crossfire server. "
2026 . "I'll try to bring you back to the map you were before. " 2778 . "I'll try to bring you back to the map you were before. "
2027 . "Please report this to the dungeon master!", 2779 . "Please report this to the dungeon master!",
2028 cf::NDI_UNIQUE | cf::NDI_RED); 2780 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2801
2050 utf8::encode $text; 2802 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2803 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2804}
2053 2805
2806=item $client->send_msg ($channel, $msg, $color, [extra...])
2807
2808Send a drawinfo or msg packet to the client, formatting the msg for the
2809client if neccessary. C<$type> should be a string identifying the type of
2810the message, with C<log> being the default. If C<$color> is negative, suppress
2811the message unless the client supports the msg packet.
2812
2813=cut
2814
2815# non-persistent channels (usually the info channel)
2816our %CHANNEL = (
2817 "c/identify" => {
2818 id => "infobox",
2819 title => "Identify",
2820 reply => undef,
2821 tooltip => "Items recently identified",
2822 },
2823 "c/examine" => {
2824 id => "infobox",
2825 title => "Examine",
2826 reply => undef,
2827 tooltip => "Signs and other items you examined",
2828 },
2829 "c/book" => {
2830 id => "infobox",
2831 title => "Book",
2832 reply => undef,
2833 tooltip => "The contents of a note or book",
2834 },
2835 "c/lookat" => {
2836 id => "infobox",
2837 title => "Look",
2838 reply => undef,
2839 tooltip => "What you saw there",
2840 },
2841 "c/who" => {
2842 id => "infobox",
2843 title => "Players",
2844 reply => undef,
2845 tooltip => "Shows players who are currently online",
2846 },
2847 "c/body" => {
2848 id => "infobox",
2849 title => "Body Parts",
2850 reply => undef,
2851 tooltip => "Shows which body parts you posess and are available",
2852 },
2853 "c/uptime" => {
2854 id => "infobox",
2855 title => "Uptime",
2856 reply => undef,
2857 tooltip => "How long the server has been running since last restart",
2858 },
2859 "c/mapinfo" => {
2860 id => "infobox",
2861 title => "Map Info",
2862 reply => undef,
2863 tooltip => "Information related to the maps",
2864 },
2865 "c/party" => {
2866 id => "party",
2867 title => "Party",
2868 reply => "gsay ",
2869 tooltip => "Messages and chat related to your party",
2870 },
2871);
2872
2873sub cf::client::send_msg {
2874 my ($self, $channel, $msg, $color, @extra) = @_;
2875
2876 $msg = $self->pl->expand_cfpod ($msg);
2877
2878 $color &= cf::NDI_CLIENT_MASK; # just in case...
2879
2880 # check predefined channels, for the benefit of C
2881 if ($CHANNEL{$channel}) {
2882 $channel = $CHANNEL{$channel};
2883
2884 $self->ext_msg (channel_info => $channel)
2885 if $self->can_msg;
2886
2887 $channel = $channel->{id};
2888
2889 } elsif (ref $channel) {
2890 # send meta info to client, if not yet sent
2891 unless (exists $self->{channel}{$channel->{id}}) {
2892 $self->{channel}{$channel->{id}} = $channel;
2893 $self->ext_msg (channel_info => $channel)
2894 if $self->can_msg;
2895 }
2896
2897 $channel = $channel->{id};
2898 }
2899
2900 return unless @extra || length $msg;
2901
2902 if ($self->can_msg) {
2903 # default colour, mask it out
2904 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2905 if $color & cf::NDI_DEF;
2906
2907 $self->send_packet ("msg " . $self->{json_coder}->encode (
2908 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2909 } else {
2910 if ($color >= 0) {
2911 # replace some tags by gcfclient-compatible ones
2912 for ($msg) {
2913 1 while
2914 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2915 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2916 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2917 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2918 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2919 }
2920
2921 $color &= cf::NDI_COLOR_MASK;
2922
2923 utf8::encode $msg;
2924
2925 if (0 && $msg =~ /\[/) {
2926 # COMMAND/INFO
2927 $self->send_packet ("drawextinfo $color 10 8 $msg")
2928 } else {
2929 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2930 $self->send_packet ("drawinfo $color $msg")
2931 }
2932 }
2933 }
2934}
2935
2054=item $client->ext_event ($type, %msg) 2936=item $client->ext_msg ($type, @msg)
2055 2937
2056Sends an exti event to the client. 2938Sends an ext event to the client.
2057 2939
2058=cut 2940=cut
2059 2941
2060sub cf::client::ext_event($$%) { 2942sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2943 my ($self, $type, @msg) = @_;
2062 2944
2945 if ($self->extcmd == 2) {
2946 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2947 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2948 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2949 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2950 }
2951}
2952
2953=item $client->ext_reply ($msgid, @msg)
2954
2955Sends an ext reply to the client.
2956
2957=cut
2958
2959sub cf::client::ext_reply($$@) {
2960 my ($self, $id, @msg) = @_;
2961
2962 if ($self->extcmd == 2) {
2963 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2964 } elsif ($self->extcmd == 1) {
2965 #TODO: version 1, remove
2966 unshift @msg, msgtype => "reply", msgid => $id;
2967 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2968 }
2065} 2969}
2066 2970
2067=item $success = $client->query ($flags, "text", \&cb) 2971=item $success = $client->query ($flags, "text", \&cb)
2068 2972
2069Queues a query to the client, calling the given callback with 2973Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2974the 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>. 2975C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2976
2073Queries can fail, so check the return code. Or don't, as queries will become 2977Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2978become reliable at some point in the future.
2075 2979
2076=cut 2980=cut
2077 2981
2078sub cf::client::query { 2982sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2983 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2991 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2992 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2993
2090 $self->send_packet ($self->{query_queue}[0][0]) 2994 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2995 if @{ $self->{query_queue} } == 1;
2996
2997 1
2092} 2998}
2093 2999
2094cf::client->attach ( 3000cf::client->attach (
3001 on_connect => sub {
3002 my ($ns) = @_;
3003
3004 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3005 },
2095 on_reply => sub { 3006 on_reply => sub {
2096 my ($ns, $msg) = @_; 3007 my ($ns, $msg) = @_;
2097 3008
2098 # this weird shuffling is so that direct followup queries 3009 # this weird shuffling is so that direct followup queries
2099 # get handled first 3010 # get handled first
2111 } else { 3022 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3023 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 3024 }
2114 } 3025 }
2115 }, 3026 },
3027 on_exticmd => sub {
3028 my ($ns, $buf) = @_;
3029
3030 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3031
3032 if (ref $msg) {
3033 my ($type, $reply, @payload) =
3034 "ARRAY" eq ref $msg
3035 ? @$msg
3036 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3037
3038 my @reply;
3039
3040 if (my $cb = $EXTICMD{$type}) {
3041 @reply = $cb->($ns, @payload);
3042 }
3043
3044 $ns->ext_reply ($reply, @reply)
3045 if $reply;
3046
3047 } else {
3048 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3049 }
3050
3051 cf::override;
3052 },
2116); 3053);
2117 3054
2118=item $client->async (\&cb) 3055=item $client->async (\&cb)
2119 3056
2120Create a new coroutine, running the specified callback. The coroutine will 3057Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 3098our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 3099our $safe_hole = new Safe::Hole;
2163 3100
2164$SIG{FPE} = 'IGNORE'; 3101$SIG{FPE} = 'IGNORE';
2165 3102
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3103$safe->permit_only (Opcode::opset qw(
3104 :base_core :base_mem :base_orig :base_math
3105 grepstart grepwhile mapstart mapwhile
3106 sort time
3107));
2167 3108
2168# here we export the classes and methods available to script code 3109# here we export the classes and methods available to script code
2169 3110
2170=pod 3111=pod
2171 3112
2172The following functions and methods are available within a safe environment: 3113The following functions and methods are available within a safe environment:
2173 3114
2174 cf::object contr pay_amount pay_player map 3115 cf::object
3116 contr pay_amount pay_player map x y force_find force_add destroy
3117 insert remove name archname title slaying race decrease split
3118
2175 cf::object::player player 3119 cf::object::player
2176 cf::player peaceful 3120 player
2177 cf::map trigger 3121
3122 cf::player
3123 peaceful
3124
3125 cf::map
3126 trigger
2178 3127
2179=cut 3128=cut
2180 3129
2181for ( 3130for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 3131 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3132 insert remove inv nrof name archname title slaying race
3133 decrease split destroy change_exp)],
2183 ["cf::object::player" => qw(player)], 3134 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 3135 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 3136 ["cf::map" => qw(trigger)],
2186) { 3137) {
2187 no strict 'refs'; 3138 no strict 'refs';
2258=back 3209=back
2259 3210
2260=cut 3211=cut
2261 3212
2262############################################################################# 3213#############################################################################
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#############################################################################
2335# the server's init and main functions 3214# the server's init and main functions
2336 3215
2337sub load_facedata { 3216sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 3217 my ($path) = @_;
3218
3219 # HACK to clear player env face cache, we need some signal framework
3220 # for this (global event?)
3221 %ext::player_env::MUSIC_FACE_CACHE = ();
3222
3223 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339 3224
2340 warn "loading facedata from $path\n"; 3225 warn "loading facedata from $path\n";
2341 3226
2342 my $facedata; 3227 my $facedata;
2343 0 < aio_load $path, $facedata 3228 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 3231 $facedata = Coro::Storable::thaw $facedata;
2347 3232
2348 $facedata->{version} == 2 3233 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 3234 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 3235
3236 # patch in the exptable
3237 $facedata->{resource}{"res/exp_table"} = {
3238 type => FT_RSRC,
3239 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3240 };
3241 cf::cede_to_tick;
3242
2351 { 3243 {
2352 my $faces = $facedata->{faceinfo}; 3244 my $faces = $facedata->{faceinfo};
2353 3245
2354 while (my ($face, $info) = each %$faces) { 3246 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3247 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3248
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3249 cf::face::set_visibility $idx, $info->{visibility};
3250 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3251 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3252 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 3253
3254 cf::cede_to_tick;
2360 } 3255 }
2361 3256
2362 while (my ($face, $info) = each %$faces) { 3257 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 3258 next unless $info->{smooth};
3259
2364 my $idx = cf::face::find $face 3260 my $idx = cf::face::find $face
2365 or next; 3261 or next;
3262
2366 if (my $smooth = cf::face::find $info->{smooth}) { 3263 if (my $smooth = cf::face::find $info->{smooth}) {
3264 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3265 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 3266 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3267 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 3268 }
2371 Coro::cede; 3269
3270 cf::cede_to_tick;
2372 } 3271 }
2373 } 3272 }
2374 3273
2375 { 3274 {
2376 my $anims = $facedata->{animinfo}; 3275 my $anims = $facedata->{animinfo};
2377 3276
2378 while (my ($anim, $info) = each %$anims) { 3277 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3278 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 3279 cf::cede_to_tick;
2381 } 3280 }
2382 3281
2383 cf::anim::invalidate_all; # d'oh 3282 cf::anim::invalidate_all; # d'oh
2384 } 3283 }
2385 3284
3285 {
3286 # TODO: for gcfclient pleasure, we should give resources
3287 # that gcfclient doesn't grok a >10000 face index.
3288 my $res = $facedata->{resource};
3289
3290 while (my ($name, $info) = each %$res) {
3291 if (defined $info->{type}) {
3292 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3293 my $data;
3294
3295 if ($info->{type} & 1) {
3296 # prepend meta info
3297
3298 my $meta = $enc->encode ({
3299 name => $name,
3300 %{ $info->{meta} || {} },
3301 });
3302
3303 $data = pack "(w/a*)*", $meta, $info->{data};
3304 } else {
3305 $data = $info->{data};
3306 }
3307
3308 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3309 cf::face::set_type $idx, $info->{type};
3310 } else {
3311 $RESOURCE{$name} = $info;
3312 }
3313
3314 cf::cede_to_tick;
3315 }
3316 }
3317
3318 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3319
2386 1 3320 1
2387} 3321}
2388 3322
3323cf::global->attach (on_resource_update => sub {
3324 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3325 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3326
3327 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3328 my $sound = $soundconf->{compat}[$_]
3329 or next;
3330
3331 my $face = cf::face::find "sound/$sound->[1]";
3332 cf::sound::set $sound->[0] => $face;
3333 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3334 }
3335
3336 while (my ($k, $v) = each %{$soundconf->{event}}) {
3337 my $face = cf::face::find "sound/$v";
3338 cf::sound::set $k => $face;
3339 }
3340 }
3341});
3342
3343register_exticmd fx_want => sub {
3344 my ($ns, $want) = @_;
3345
3346 while (my ($k, $v) = each %$want) {
3347 $ns->fx_want ($k, $v);
3348 }
3349};
3350
3351sub load_resource_file($) {
3352 my $guard = lock_acquire "load_resource_file";
3353
3354 my $status = load_resource_file_ $_[0];
3355 get_slot 0.1, 100;
3356 cf::arch::commit_load;
3357
3358 $status
3359}
3360
3361sub reload_regions {
3362 # HACK to clear player env face cache, we need some signal framework
3363 # for this (global event?)
3364 %ext::player_env::MUSIC_FACE_CACHE = ();
3365
3366 load_resource_file "$MAPDIR/regions"
3367 or die "unable to load regions file\n";
3368
3369 for (cf::region::list) {
3370 $_->{match} = qr/$_->{match}/
3371 if exists $_->{match};
3372 }
3373}
3374
3375sub reload_facedata {
3376 load_facedata "$DATADIR/facedata"
3377 or die "unable to load facedata\n";
3378}
3379
2389sub load_archetypes { 3380sub reload_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable 3381 load_resource_file "$DATADIR/archetypes"
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir 3382 or die "unable to load archetypes\n";
2392} 3383}
2393 3384
2394sub load_treasures { 3385sub reload_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir 3386 load_resource_file "$DATADIR/treasures"
3387 or die "unable to load treasurelists\n";
2396} 3388}
2397 3389
2398sub reload_resources { 3390sub reload_resources {
2399 warn "reloading resource files...\n"; 3391 warn "reloading resource files...\n";
2400 3392
2401 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402 or die "unable to load regions file\n";
2403 load_facedata 3393 reload_facedata;
2404 or die "unable to load facedata\n";
2405 load_archetypes 3394 reload_archetypes;
2406 or die "unable to load archetypes\n"; 3395 reload_regions;
2407 load_treasures 3396 reload_treasures;
2408 or die "unable to load treasurelists\n";
2409 3397
2410 warn "finished reloading resource files\n"; 3398 warn "finished reloading resource files\n";
2411} 3399}
2412 3400
2413sub init { 3401sub init {
3402 my $guard = freeze_mainloop;
3403
3404 evthread_start IO::AIO::poll_fileno;
3405
2414 reload_resources; 3406 reload_resources;
2415} 3407}
2416 3408
2417sub cfg_load { 3409sub reload_config {
2418 open my $fh, "<:utf8", cf::confdir . "/config" 3410 open my $fh, "<:utf8", "$CONFDIR/config"
2419 or return; 3411 or return;
2420 3412
2421 local $/; 3413 local $/;
2422 *CFG = YAML::Syck::Load <$fh>; 3414 *CFG = YAML::Load <$fh>;
2423 3415
2424 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3416 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425 3417
2426 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3418 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3419 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2438sub main { 3430sub main {
2439 # we must not ever block the main coroutine 3431 # we must not ever block the main coroutine
2440 local $Coro::idle = sub { 3432 local $Coro::idle = sub {
2441 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3433 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442 (async { 3434 (async {
2443 Event::one_event; 3435 $Coro::current->{desc} = "IDLE BUG HANDLER";
3436 EV::loop EV::LOOP_ONESHOT;
2444 })->prio (Coro::PRIO_MAX); 3437 })->prio (Coro::PRIO_MAX);
2445 }; 3438 };
2446 3439
2447 cfg_load; 3440 {
3441 my $guard = freeze_mainloop;
3442 reload_config;
2448 db_init; 3443 db_init;
2449 load_extensions; 3444 load_extensions;
2450 3445
2451 $TICK_WATCHER->start; 3446 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3447 }
3448
2452 Event::loop; 3449 EV::loop;
2453} 3450}
2454 3451
2455############################################################################# 3452#############################################################################
2456# initialisation and cleanup 3453# initialisation and cleanup
2457 3454
2458# install some emergency cleanup handlers 3455# install some emergency cleanup handlers
2459BEGIN { 3456BEGIN {
3457 our %SIGWATCHER = ();
2460 for my $signal (qw(INT HUP TERM)) { 3458 for my $signal (qw(INT HUP TERM)) {
2461 Event->signal ( 3459 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2462 reentrant => 0,
2463 data => WF_AUTOCANCEL,
2464 signal => $signal,
2465 prio => 0,
2466 cb => sub {
2467 cf::cleanup "SIG$signal"; 3460 cf::cleanup "SIG$signal";
2468 },
2469 ); 3461 };
3462 }
3463}
3464
3465sub write_runtime_sync {
3466 my $runtime = "$LOCALDIR/runtime";
3467
3468 # first touch the runtime file to show we are still running:
3469 # the fsync below can take a very very long time.
3470
3471 IO::AIO::aio_utime $runtime, undef, undef;
3472
3473 my $guard = cf::lock_acquire "write_runtime";
3474
3475 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3476 or return;
3477
3478 my $value = $cf::RUNTIME + 90 + 10;
3479 # 10 is the runtime save interval, for a monotonic clock
3480 # 60 allows for the watchdog to kill the server.
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 # touch it again to show we are up-to-date
3490 aio_utime $fh, undef, undef;
3491
3492 close $fh
3493 or return;
3494
3495 aio_rename "$runtime~", $runtime
3496 and return;
3497
3498 warn "runtime file written.\n";
3499
2470 } 3500 1
3501}
3502
3503our $uuid_lock;
3504our $uuid_skip;
3505
3506sub write_uuid_sync($) {
3507 $uuid_skip ||= $_[0];
3508
3509 return if $uuid_lock;
3510 local $uuid_lock = 1;
3511
3512 my $uuid = "$LOCALDIR/uuid";
3513
3514 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3515 or return;
3516
3517 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3518 $uuid_skip = 0;
3519
3520 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3521 and return;
3522
3523 # always fsync - this file is important
3524 aio_fsync $fh
3525 and return;
3526
3527 close $fh
3528 or return;
3529
3530 aio_rename "$uuid~", $uuid
3531 and return;
3532
3533 warn "uuid file written ($value).\n";
3534
3535 1
3536
3537}
3538
3539sub write_uuid($$) {
3540 my ($skip, $sync) = @_;
3541
3542 $sync ? write_uuid_sync $skip
3543 : async { write_uuid_sync $skip };
2471} 3544}
2472 3545
2473sub emergency_save() { 3546sub emergency_save() {
2474 my $freeze_guard = cf::freeze_mainloop; 3547 my $freeze_guard = cf::freeze_mainloop;
2475 3548
2481 # and maps saved/destroyed asynchronously. 3554 # and maps saved/destroyed asynchronously.
2482 warn "begin emergency player save\n"; 3555 warn "begin emergency player save\n";
2483 for my $login (keys %cf::PLAYER) { 3556 for my $login (keys %cf::PLAYER) {
2484 my $pl = $cf::PLAYER{$login} or next; 3557 my $pl = $cf::PLAYER{$login} or next;
2485 $pl->valid or next; 3558 $pl->valid or next;
3559 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486 $pl->save; 3560 $pl->save;
2487 } 3561 }
2488 warn "end emergency player save\n"; 3562 warn "end emergency player save\n";
2489 3563
2490 warn "begin emergency map save\n"; 3564 warn "begin emergency map save\n";
2496 warn "end emergency map save\n"; 3570 warn "end emergency map save\n";
2497 3571
2498 warn "begin emergency database checkpoint\n"; 3572 warn "begin emergency database checkpoint\n";
2499 BDB::db_env_txn_checkpoint $DB_ENV; 3573 BDB::db_env_txn_checkpoint $DB_ENV;
2500 warn "end emergency database checkpoint\n"; 3574 warn "end emergency database checkpoint\n";
3575
3576 warn "begin write uuid\n";
3577 write_uuid_sync 1;
3578 warn "end write uuid\n";
2501 }; 3579 };
2502 3580
2503 warn "leave emergency perl save\n"; 3581 warn "leave emergency perl save\n";
2504} 3582}
2505 3583
2508 3586
2509 warn Carp::longmess "post_cleanup backtrace" 3587 warn Carp::longmess "post_cleanup backtrace"
2510 if $make_core; 3588 if $make_core;
2511} 3589}
2512 3590
2513sub reload() { 3591sub do_reload_perl() {
2514 # can/must only be called in main 3592 # can/must only be called in main
2515 if ($Coro::current != $Coro::main) { 3593 if ($Coro::current != $Coro::main) {
2516 warn "can only reload from main coroutine"; 3594 warn "can only reload from main coroutine";
2517 return; 3595 return;
2518 } 3596 }
2520 warn "reloading..."; 3598 warn "reloading...";
2521 3599
2522 warn "entering sync_job"; 3600 warn "entering sync_job";
2523 3601
2524 cf::sync_job { 3602 cf::sync_job {
2525 cf::write_runtime; # external watchdog should not bark 3603 cf::write_runtime_sync; # external watchdog should not bark
2526 cf::emergency_save; 3604 cf::emergency_save;
2527 cf::write_runtime; # external watchdog should not bark 3605 cf::write_runtime_sync; # external watchdog should not bark
2528 3606
2529 warn "syncing database to disk"; 3607 warn "syncing database to disk";
2530 BDB::db_env_txn_checkpoint $DB_ENV; 3608 BDB::db_env_txn_checkpoint $DB_ENV;
2531 3609
2532 # if anything goes wrong in here, we should simply crash as we already saved 3610 # if anything goes wrong in here, we should simply crash as we already saved
2533
2534 warn "cancelling all WF_AUTOCANCEL watchers";
2535 for (Event::all_watchers) {
2536 $_->cancel if $_->data & WF_AUTOCANCEL;
2537 }
2538 3611
2539 warn "flushing outstanding aio requests"; 3612 warn "flushing outstanding aio requests";
2540 for (;;) { 3613 for (;;) {
2541 BDB::flush; 3614 BDB::flush;
2542 IO::AIO::flush; 3615 IO::AIO::flush;
2543 Coro::cede; 3616 Coro::cede_notself;
2544 last unless IO::AIO::nreqs || BDB::nreqs; 3617 last unless IO::AIO::nreqs || BDB::nreqs;
2545 warn "iterate..."; 3618 warn "iterate...";
2546 } 3619 }
2547 3620
2548 ++$RELOAD; 3621 ++$RELOAD;
2552 %EXT_CORO = (); 3625 %EXT_CORO = ();
2553 3626
2554 warn "removing commands"; 3627 warn "removing commands";
2555 %COMMAND = (); 3628 %COMMAND = ();
2556 3629
2557 warn "removing ext commands"; 3630 warn "removing ext/exti commands";
2558 %EXTCMD = (); 3631 %EXTCMD = ();
3632 %EXTICMD = ();
2559 3633
2560 warn "unloading/nuking all extensions"; 3634 warn "unloading/nuking all extensions";
2561 for my $pkg (@EXTS) { 3635 for my $pkg (@EXTS) {
2562 warn "... unloading $pkg"; 3636 warn "... unloading $pkg";
2563 3637
2593 Symbol::delete_package "safe::$_" 3667 Symbol::delete_package "safe::$_"
2594 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3668 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595 3669
2596 warn "unloading cf.pm \"a bit\""; 3670 warn "unloading cf.pm \"a bit\"";
2597 delete $INC{"cf.pm"}; 3671 delete $INC{"cf.pm"};
3672 delete $INC{"cf/pod.pm"};
2598 3673
2599 # don't, removes xs symbols, too, 3674 # don't, removes xs symbols, too,
2600 # and global variables created in xs 3675 # and global variables created in xs
2601 #Symbol::delete_package __PACKAGE__; 3676 #Symbol::delete_package __PACKAGE__;
2602 3677
2605 warn "reloading cf.pm"; 3680 warn "reloading cf.pm";
2606 require cf; 3681 require cf;
2607 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3682 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608 3683
2609 warn "loading config and database again"; 3684 warn "loading config and database again";
2610 cf::cfg_load; 3685 cf::reload_config;
2611 3686
2612 warn "loading extensions"; 3687 warn "loading extensions";
2613 cf::load_extensions; 3688 cf::load_extensions;
2614 3689
2615 warn "reattaching attachments to objects/players"; 3690 warn "reattaching attachments to objects/players";
2617 warn "reattaching attachments to maps"; 3692 warn "reattaching attachments to maps";
2618 reattach $_ for values %MAP; 3693 reattach $_ for values %MAP;
2619 warn "reattaching attachments to players"; 3694 warn "reattaching attachments to players";
2620 reattach $_ for values %PLAYER; 3695 reattach $_ for values %PLAYER;
2621 3696
2622 warn "loading reloadable resources";
2623 reload_resources;
2624
2625 warn "leaving sync_job"; 3697 warn "leaving sync_job";
2626 3698
2627 1 3699 1
2628 } or do { 3700 } or do {
2629 warn $@; 3701 warn $@;
2630 warn "error while reloading, exiting."; 3702 cf::cleanup "error while reloading, exiting.";
2631 exit 1;
2632 }; 3703 };
2633 3704
2634 warn "reloaded"; 3705 warn "reloaded";
2635}; 3706};
2636 3707
2637our $RELOAD_WATCHER; # used only during reload 3708our $RELOAD_WATCHER; # used only during reload
2638 3709
3710sub reload_perl() {
3711 # doing reload synchronously and two reloads happen back-to-back,
3712 # coro crashes during coro_state_free->destroy here.
3713
3714 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3715 do_reload_perl;
3716 undef $RELOAD_WATCHER;
3717 };
3718}
3719
2639register_command "reload" => sub { 3720register_command "reload" => sub {
2640 my ($who, $arg) = @_; 3721 my ($who, $arg) = @_;
2641 3722
2642 if ($who->flag (FLAG_WIZ)) { 3723 if ($who->flag (FLAG_WIZ)) {
2643 $who->message ("reloading server."); 3724 $who->message ("reloading server.");
2644 3725 async {
2645 # doing reload synchronously and two reloads happen back-to-back, 3726 $Coro::current->{desc} = "perl_reload";
2646 # coro crashes during coro_state_free->destroy here.
2647
2648 $RELOAD_WATCHER ||= Event->timer (
2649 reentrant => 0,
2650 after => 0,
2651 data => WF_AUTOCANCEL,
2652 cb => sub {
2653 reload; 3727 reload_perl;
2654 undef $RELOAD_WATCHER;
2655 },
2656 ); 3728 };
2657 } 3729 }
2658}; 3730};
2659 3731
2660unshift @INC, $LIBDIR; 3732unshift @INC, $LIBDIR;
2661 3733
2663 3735
2664our @WAIT_FOR_TICK; 3736our @WAIT_FOR_TICK;
2665our @WAIT_FOR_TICK_BEGIN; 3737our @WAIT_FOR_TICK_BEGIN;
2666 3738
2667sub wait_for_tick { 3739sub wait_for_tick {
2668 return unless $TICK_WATCHER->is_active;
2669 return if $Coro::current == $Coro::main; 3740 return if tick_inhibit || $Coro::current == $Coro::main;
2670 3741
2671 my $signal = new Coro::Signal; 3742 my $signal = new Coro::Signal;
2672 push @WAIT_FOR_TICK, $signal; 3743 push @WAIT_FOR_TICK, $signal;
2673 $signal->wait; 3744 $signal->wait;
2674} 3745}
2675 3746
2676sub wait_for_tick_begin { 3747sub wait_for_tick_begin {
2677 return unless $TICK_WATCHER->is_active;
2678 return if $Coro::current == $Coro::main; 3748 return if tick_inhibit || $Coro::current == $Coro::main;
2679 3749
2680 my $signal = new Coro::Signal; 3750 my $signal = new Coro::Signal;
2681 push @WAIT_FOR_TICK_BEGIN, $signal; 3751 push @WAIT_FOR_TICK_BEGIN, $signal;
2682 $signal->wait; 3752 $signal->wait;
2683} 3753}
2684 3754
2685$TICK_WATCHER = Event->timer ( 3755sub tick {
2686 reentrant => 0,
2687 parked => 1,
2688 prio => 0,
2689 at => $NEXT_TICK || $TICK,
2690 data => WF_AUTOCANCEL,
2691 cb => sub {
2692 if ($Coro::current != $Coro::main) { 3756 if ($Coro::current != $Coro::main) {
2693 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3757 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694 unless ++$bug_warning > 10; 3758 unless ++$bug_warning > 10;
2695 return; 3759 return;
2696 } 3760 }
2697 3761
2698 $NOW = Event::time;
2699
2700 cf::server_tick; # one server iteration 3762 cf::server_tick; # one server iteration
2701 3763
2702 $RUNTIME += $TICK;
2703 $NEXT_TICK += $TICK;
2704
2705 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3764 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706 $NEXT_RUNTIME_WRITE = $NOW + 10; 3765 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707 Coro::async_pool { 3766 Coro::async_pool {
3767 $Coro::current->{desc} = "runtime saver";
2708 write_runtime 3768 write_runtime_sync
2709 or warn "ERROR: unable to write runtime file: $!"; 3769 or warn "ERROR: unable to write runtime file: $!";
2710 };
2711 } 3770 };
3771 }
2712 3772
2713# my $AFTER = Event::time;
2714# warn $AFTER - $NOW;#d#
2715
2716 # if we are delayed by four ticks or more, skip them all
2717 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719 $TICK_WATCHER->at ($NEXT_TICK);
2720 $TICK_WATCHER->start;
2721
2722 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3773 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723 $sig->send; 3774 $sig->send;
2724 } 3775 }
2725 while (my $sig = shift @WAIT_FOR_TICK) { 3776 while (my $sig = shift @WAIT_FOR_TICK) {
2726 $sig->send; 3777 $sig->send;
2727 }
2728
2729 _post_tick;
2730 }, 3778 }
2731); 3779
3780 $LOAD = ($NOW - $TICK_START) / $TICK;
3781 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3782
3783 if (0) {
3784 if ($NEXT_TICK) {
3785 my $jitter = $TICK_START - $NEXT_TICK;
3786 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3787 warn "jitter $JITTER\n";#d#
3788 }
3789 }
3790}
2732 3791
2733{ 3792{
2734 BDB::max_poll_time $TICK * 0.1; 3793 # configure BDB
2735 $BDB_POLL_WATCHER = Event->io ( 3794
2736 reentrant => 0,
2737 fd => BDB::poll_fileno,
2738 poll => 'r',
2739 prio => 0,
2740 data => WF_AUTOCANCEL,
2741 cb => \&BDB::poll_cb,
2742 );
2743 BDB::min_parallel 8; 3795 BDB::min_parallel 8;
2744 3796 BDB::max_poll_reqs $TICK * 0.1;
2745 BDB::set_sync_prepare { 3797 $AnyEvent::BDB::WATCHER->priority (1);
2746 my $status;
2747 my $current = $Coro::current;
2748 (
2749 sub {
2750 $status = $!;
2751 $current->ready; undef $current;
2752 },
2753 sub {
2754 Coro::schedule while defined $current;
2755 $! = $status;
2756 },
2757 )
2758 };
2759 3798
2760 unless ($DB_ENV) { 3799 unless ($DB_ENV) {
2761 $DB_ENV = BDB::db_env_create; 3800 $DB_ENV = BDB::db_env_create;
3801 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3802 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3803 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3804 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3805 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762 3806
2763 cf::sync_job { 3807 cf::sync_job {
2764 eval { 3808 eval {
2765 BDB::db_env_open 3809 BDB::db_env_open
2766 $DB_ENV, 3810 $DB_ENV,
2767 $BDB_ENV_DIR, 3811 $BDBDIR,
2768 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3812 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3813 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770 0666; 3814 0666;
2771 3815
2772 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3816 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775 $DB_ENV->set_lk_detect;
2776 }; 3817 };
2777 3818
2778 cf::cleanup "db_env_open(db): $@" if $@; 3819 cf::cleanup "db_env_open(db): $@" if $@;
2779 }; 3820 };
2780 } 3821 }
3822
3823 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3824 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3825 };
3826 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3827 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3828 };
3829 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3830 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3831 };
2781} 3832}
2782 3833
2783{ 3834{
3835 # configure IO::AIO
3836
2784 IO::AIO::min_parallel 8; 3837 IO::AIO::min_parallel 8;
2785
2786 undef $Coro::AIO::WATCHER;
2787 IO::AIO::max_poll_time $TICK * 0.1; 3838 IO::AIO::max_poll_time $TICK * 0.1;
2788 $AIO_POLL_WATCHER = Event->io ( 3839 undef $AnyEvent::AIO::WATCHER;
2789 reentrant => 0,
2790 data => WF_AUTOCANCEL,
2791 fd => IO::AIO::poll_fileno,
2792 poll => 'r',
2793 prio => 6,
2794 cb => \&IO::AIO::poll_cb,
2795 );
2796} 3840}
3841
3842my $_log_backtrace;
3843
3844sub _log_backtrace {
3845 my ($msg, @addr) = @_;
3846
3847 $msg =~ s/\n//;
3848
3849 # limit the # of concurrent backtraces
3850 if ($_log_backtrace < 2) {
3851 ++$_log_backtrace;
3852 async {
3853 $Coro::current->{desc} = "abt $msg";
3854
3855 my @bt = fork_call {
3856 @addr = map { sprintf "%x", $_ } @addr;
3857 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3858 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3859 or die "addr2line: $!";
3860
3861 my @funcs;
3862 my @res = <$fh>;
3863 chomp for @res;
3864 while (@res) {
3865 my ($func, $line) = splice @res, 0, 2, ();
3866 push @funcs, "[$func] $line";
3867 }
3868
3869 @funcs
3870 };
3871
3872 LOG llevInfo, "[ABT] $msg\n";
3873 LOG llevInfo, "[ABT] $_\n" for @bt;
3874 --$_log_backtrace;
3875 };
3876 } else {
3877 LOG llevInfo, "[ABT] $msg\n";
3878 LOG llevInfo, "[ABT] [suppressed]\n";
3879 }
3880}
3881
3882# load additional modules
3883use cf::pod;
2797 3884
2798END { cf::emergency_save } 3885END { cf::emergency_save }
2799 3886
28001 38871
2801 3888

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines