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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.435 by root, Thu May 29 03:33:20 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
9use Event; 30use EV;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
34use Storable ();
13 35
14use Coro 3.61 (); 36use Coro ();
15use Coro::State; 37use Coro::State;
38use Coro::Handle;
16use Coro::Event; 39use Coro::AnyEvent;
17use Coro::Timer; 40use Coro::Timer;
18use Coro::Signal; 41use Coro::Signal;
19use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
20use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
21use Coro::Storable; 46use Coro::Storable;
47use Coro::Util ();
22 48
49use JSON::XS 2.01 ();
23use BDB (); 50use BDB ();
24use Data::Dumper; 51use Data::Dumper;
25use Digest::MD5; 52use Digest::MD5;
26use Fcntl; 53use Fcntl;
27use YAML::Syck (); 54use YAML ();
28use IO::AIO 2.32 (); 55use IO::AIO ();
29use Time::HiRes; 56use Time::HiRes;
30use Compress::LZF; 57use Compress::LZF;
58use Digest::MD5 ();
59
60AnyEvent::detect;
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 :)
1905 # should happen only on crashes
1906 if ($pl->ob->{_link_pos}) {
1907 $pl->ob->enter_link;
1908 (async {
1909 $pl->ob->reply (undef,
1910 "There was an internal problem at your last logout, "
1911 . "the server will try to bring you to your intended destination in a second.",
1912 cf::NDI_RED);
1913 # we need this sleep as the login has a concurrent enter_exit running
1914 # and this sleep increases chances of the player not ending up in scorn
1915 Coro::Timer::sleep 1;
1916 $pl->ob->leave_link;
1917 })->prio (2);
1918 }
1919 },
1920);
1921
1922=item $player_object->goto ($path, $x, $y)
1923
1924=cut 2619=cut
2620
2621our $GOTOGEN;
1925 2622
1926sub cf::object::player::goto { 2623sub cf::object::player::goto {
1927 my ($self, $path, $x, $y) = @_; 2624 my ($self, $path, $x, $y, $check, $done) = @_;
2625
2626 # do generation counting so two concurrent goto's will be executed in-order
2627 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928 2628
1929 $self->enter_link; 2629 $self->enter_link;
1930 2630
1931 (async { 2631 (async {
2632 $Coro::current->{desc} = "player::goto $path $x $y";
2633
2634 # *tag paths override both path and x|y
2635 if ($path =~ /^\*(.*)$/) {
2636 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2637 my $ob = $obs[rand @obs];
2638
2639 # see if we actually can go there
2640 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2641 $ob = $obs[rand @obs];
2642 } else {
2643 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2644 }
2645 # else put us there anyways for now #d#
2646
2647 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2648 } else {
2649 ($path, $x, $y) = (undef, undef, undef);
2650 }
2651 }
2652
1932 my $map = eval { 2653 my $map = eval {
1933 my $map = cf::map::find $path; 2654 my $map = defined $path ? cf::map::find $path : undef;
2655
2656 if ($map) {
1934 $map = $map->customise_for ($self) if $map; 2657 $map = $map->customise_for ($self);
2658 $map = $check->($map) if $check && $map;
2659 } else {
2660 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661 }
2662
1935 $map 2663 $map
2664 };
2665
2666 if ($@) {
2667 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2668 LOG llevError | logBacktrace, Carp::longmess $@;
1936 } or 2669 }
1937 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938 2670
2671 if ($gen == $self->{_goto_generation}) {
2672 delete $self->{_goto_generation};
1939 $self->leave_link ($map, $x, $y); 2673 $self->leave_link ($map, $x, $y);
2674 }
2675
2676 $done->() if $done;
1940 })->prio (1); 2677 })->prio (1);
1941} 2678}
1942 2679
1943=item $player_object->enter_exit ($exit_object) 2680=item $player_object->enter_exit ($exit_object)
1944 2681
1964} 2701}
1965 2702
1966sub prepare_random_map { 2703sub prepare_random_map {
1967 my ($exit) = @_; 2704 my ($exit) = @_;
1968 2705
1969 my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971 # all this does is basically replace the /! path by 2706 # all this does is basically replace the /! path by
1972 # a new random map path (?random/...) with a seed 2707 # a new random map path (?random/...) with a seed
1973 # that depends on the exit object 2708 # that depends on the exit object
1974 2709
1975 my $rmp = parse_random_map_params $exit->msg; 2710 my $rmp = parse_random_map_params $exit->msg;
1977 if ($exit->map) { 2712 if ($exit->map) {
1978 $rmp->{region} = $exit->region->name; 2713 $rmp->{region} = $exit->region->name;
1979 $rmp->{origin_map} = $exit->map->path; 2714 $rmp->{origin_map} = $exit->map->path;
1980 $rmp->{origin_x} = $exit->x; 2715 $rmp->{origin_x} = $exit->x;
1981 $rmp->{origin_y} = $exit->y; 2716 $rmp->{origin_y} = $exit->y;
2717
2718 $exit->map->touch;
1982 } 2719 }
1983 2720
1984 $rmp->{random_seed} ||= $exit->random_seed; 2721 $rmp->{random_seed} ||= $exit->random_seed;
1985 2722
1986 my $data = cf::to_json $rmp; 2723 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987 my $md5 = Digest::MD5::md5_hex $data; 2724 my $md5 = Digest::MD5::md5_hex $data;
1988 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2725 my $meta = "$RANDOMDIR/$md5.meta";
1989 2726
1990 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2727 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991 aio_write $fh, 0, (length $data), $data, 0; 2728 aio_write $fh, 0, (length $data), $data, 0;
1992 undef $fh; 2729 undef $fh;
1993 aio_rename "$meta~", $meta; 2730 aio_rename "$meta~", $meta;
1994 2731
2732 my $slaying = "?random/$md5";
2733
2734 if ($exit->valid) {
1995 $exit->slaying ("?random/$md5"); 2735 $exit->slaying ("?random/$md5");
1996 $exit->msg (undef); 2736 $exit->msg (undef);
2737 }
1997 } 2738 }
1998} 2739}
1999 2740
2000sub cf::object::player::enter_exit { 2741sub cf::object::player::enter_exit {
2001 my ($self, $exit) = @_; 2742 my ($self, $exit) = @_;
2002 2743
2003 return unless $self->type == cf::PLAYER; 2744 return unless $self->type == cf::PLAYER;
2004 2745
2005 if ($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; 2746 $self->enter_link;
2017 2747
2018 (async { 2748 (async {
2019 $self->deactivate_recursive; # just to be sure 2749 $Coro::current->{desc} = "enter_exit";
2750
2020 unless (eval { 2751 unless (eval {
2752 $self->deactivate_recursive; # just to be sure
2753
2754 # random map handling
2755 {
2756 my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758 prepare_random_map $exit
2759 if $exit->slaying eq "/!";
2760 }
2761
2762 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2763 my $x = $exit->stats->hp;
2764 my $y = $exit->stats->sp;
2765
2021 $self->goto ($slaying, $hp, $sp); 2766 $self->goto ($map, $x, $y);
2022 2767
2768 # if exit is damned, update players death & WoR home-position
2769 $self->contr->savebed ($map, $x, $y)
2770 if $exit->flag (cf::FLAG_DAMNED);
2771
2023 1; 2772 1
2024 }) { 2773 }) {
2025 $self->message ("Something went wrong deep within the crossfire server. " 2774 $self->message ("Something went wrong deep within the crossfire server. "
2026 . "I'll try to bring you back to the map you were before. " 2775 . "I'll try to bring you back to the map you were before. "
2027 . "Please report this to the dungeon master!", 2776 . "Please report this to the dungeon master!",
2028 cf::NDI_UNIQUE | cf::NDI_RED); 2777 cf::NDI_UNIQUE | cf::NDI_RED);
2049 2798
2050 utf8::encode $text; 2799 utf8::encode $text;
2051 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2800 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052} 2801}
2053 2802
2803=item $client->send_msg ($channel, $msg, $color, [extra...])
2804
2805Send a drawinfo or msg packet to the client, formatting the msg for the
2806client if neccessary. C<$type> should be a string identifying the type of
2807the message, with C<log> being the default. If C<$color> is negative, suppress
2808the message unless the client supports the msg packet.
2809
2810=cut
2811
2812# non-persistent channels (usually the info channel)
2813our %CHANNEL = (
2814 "c/identify" => {
2815 id => "infobox",
2816 title => "Identify",
2817 reply => undef,
2818 tooltip => "Items recently identified",
2819 },
2820 "c/examine" => {
2821 id => "infobox",
2822 title => "Examine",
2823 reply => undef,
2824 tooltip => "Signs and other items you examined",
2825 },
2826 "c/book" => {
2827 id => "infobox",
2828 title => "Book",
2829 reply => undef,
2830 tooltip => "The contents of a note or book",
2831 },
2832 "c/lookat" => {
2833 id => "infobox",
2834 title => "Look",
2835 reply => undef,
2836 tooltip => "What you saw there",
2837 },
2838 "c/who" => {
2839 id => "infobox",
2840 title => "Players",
2841 reply => undef,
2842 tooltip => "Shows players who are currently online",
2843 },
2844 "c/body" => {
2845 id => "infobox",
2846 title => "Body Parts",
2847 reply => undef,
2848 tooltip => "Shows which body parts you posess and are available",
2849 },
2850 "c/uptime" => {
2851 id => "infobox",
2852 title => "Uptime",
2853 reply => undef,
2854 tooltip => "How long the server has been running since last restart",
2855 },
2856 "c/mapinfo" => {
2857 id => "infobox",
2858 title => "Map Info",
2859 reply => undef,
2860 tooltip => "Information related to the maps",
2861 },
2862 "c/party" => {
2863 id => "party",
2864 title => "Party",
2865 reply => "gsay ",
2866 tooltip => "Messages and chat related to your party",
2867 },
2868);
2869
2870sub cf::client::send_msg {
2871 my ($self, $channel, $msg, $color, @extra) = @_;
2872
2873 $msg = $self->pl->expand_cfpod ($msg);
2874
2875 $color &= cf::NDI_CLIENT_MASK; # just in case...
2876
2877 # check predefined channels, for the benefit of C
2878 if ($CHANNEL{$channel}) {
2879 $channel = $CHANNEL{$channel};
2880
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883
2884 $channel = $channel->{id};
2885
2886 } elsif (ref $channel) {
2887 # send meta info to client, if not yet sent
2888 unless (exists $self->{channel}{$channel->{id}}) {
2889 $self->{channel}{$channel->{id}} = $channel;
2890 $self->ext_msg (channel_info => $channel)
2891 if $self->can_msg;
2892 }
2893
2894 $channel = $channel->{id};
2895 }
2896
2897 return unless @extra || length $msg;
2898
2899 if ($self->can_msg) {
2900 # default colour, mask it out
2901 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902 if $color & cf::NDI_DEF;
2903
2904 $self->send_packet ("msg " . $self->{json_coder}->encode (
2905 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2906 } else {
2907 if ($color >= 0) {
2908 # replace some tags by gcfclient-compatible ones
2909 for ($msg) {
2910 1 while
2911 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916 }
2917
2918 $color &= cf::NDI_COLOR_MASK;
2919
2920 utf8::encode $msg;
2921
2922 if (0 && $msg =~ /\[/) {
2923 # COMMAND/INFO
2924 $self->send_packet ("drawextinfo $color 10 8 $msg")
2925 } else {
2926 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927 $self->send_packet ("drawinfo $color $msg")
2928 }
2929 }
2930 }
2931}
2932
2054=item $client->ext_event ($type, %msg) 2933=item $client->ext_msg ($type, @msg)
2055 2934
2056Sends an exti event to the client. 2935Sends an ext event to the client.
2057 2936
2058=cut 2937=cut
2059 2938
2060sub cf::client::ext_event($$%) { 2939sub cf::client::ext_msg($$@) {
2061 my ($self, $type, %msg) = @_; 2940 my ($self, $type, @msg) = @_;
2062 2941
2942 if ($self->extcmd == 2) {
2943 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944 } elsif ($self->extcmd == 1) { # TODO: remove
2063 $msg{msgtype} = "event_$type"; 2945 push @msg, msgtype => "event_$type";
2064 $self->send_packet ("ext " . cf::to_json \%msg); 2946 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947 }
2948}
2949
2950=item $client->ext_reply ($msgid, @msg)
2951
2952Sends an ext reply to the client.
2953
2954=cut
2955
2956sub cf::client::ext_reply($$@) {
2957 my ($self, $id, @msg) = @_;
2958
2959 if ($self->extcmd == 2) {
2960 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961 } elsif ($self->extcmd == 1) {
2962 #TODO: version 1, remove
2963 unshift @msg, msgtype => "reply", msgid => $id;
2964 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965 }
2065} 2966}
2066 2967
2067=item $success = $client->query ($flags, "text", \&cb) 2968=item $success = $client->query ($flags, "text", \&cb)
2068 2969
2069Queues a query to the client, calling the given callback with 2970Queues a query to the client, calling the given callback with
2070the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2971the 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>. 2972C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072 2973
2073Queries can fail, so check the return code. Or don't, as queries will become 2974Queries can fail, so check the return code. Or don't, as queries will
2074reliable at some point in the future. 2975become reliable at some point in the future.
2075 2976
2076=cut 2977=cut
2077 2978
2078sub cf::client::query { 2979sub cf::client::query {
2079 my ($self, $flags, $text, $cb) = @_; 2980 my ($self, $flags, $text, $cb) = @_;
2087 utf8::encode $text; 2988 utf8::encode $text;
2088 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2989 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089 2990
2090 $self->send_packet ($self->{query_queue}[0][0]) 2991 $self->send_packet ($self->{query_queue}[0][0])
2091 if @{ $self->{query_queue} } == 1; 2992 if @{ $self->{query_queue} } == 1;
2993
2994 1
2092} 2995}
2093 2996
2094cf::client->attach ( 2997cf::client->attach (
2998 on_connect => sub {
2999 my ($ns) = @_;
3000
3001 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3002 },
2095 on_reply => sub { 3003 on_reply => sub {
2096 my ($ns, $msg) = @_; 3004 my ($ns, $msg) = @_;
2097 3005
2098 # this weird shuffling is so that direct followup queries 3006 # this weird shuffling is so that direct followup queries
2099 # get handled first 3007 # get handled first
2111 } else { 3019 } else {
2112 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3020 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113 } 3021 }
2114 } 3022 }
2115 }, 3023 },
3024 on_exticmd => sub {
3025 my ($ns, $buf) = @_;
3026
3027 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028
3029 if (ref $msg) {
3030 my ($type, $reply, @payload) =
3031 "ARRAY" eq ref $msg
3032 ? @$msg
3033 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034
3035 my @reply;
3036
3037 if (my $cb = $EXTICMD{$type}) {
3038 @reply = $cb->($ns, @payload);
3039 }
3040
3041 $ns->ext_reply ($reply, @reply)
3042 if $reply;
3043
3044 } else {
3045 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046 }
3047
3048 cf::override;
3049 },
2116); 3050);
2117 3051
2118=item $client->async (\&cb) 3052=item $client->async (\&cb)
2119 3053
2120Create a new coroutine, running the specified callback. The coroutine will 3054Create a new coroutine, running the specified callback. The coroutine will
2161our $safe = new Safe "safe"; 3095our $safe = new Safe "safe";
2162our $safe_hole = new Safe::Hole; 3096our $safe_hole = new Safe::Hole;
2163 3097
2164$SIG{FPE} = 'IGNORE'; 3098$SIG{FPE} = 'IGNORE';
2165 3099
2166$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3100$safe->permit_only (Opcode::opset qw(
3101 :base_core :base_mem :base_orig :base_math
3102 grepstart grepwhile mapstart mapwhile
3103 sort time
3104));
2167 3105
2168# here we export the classes and methods available to script code 3106# here we export the classes and methods available to script code
2169 3107
2170=pod 3108=pod
2171 3109
2172The following functions and methods are available within a safe environment: 3110The following functions and methods are available within a safe environment:
2173 3111
2174 cf::object contr pay_amount pay_player map 3112 cf::object
3113 contr pay_amount pay_player map x y force_find force_add destroy
3114 insert remove name archname title slaying race decrease split
3115
2175 cf::object::player player 3116 cf::object::player
2176 cf::player peaceful 3117 player
2177 cf::map trigger 3118
3119 cf::player
3120 peaceful
3121
3122 cf::map
3123 trigger
2178 3124
2179=cut 3125=cut
2180 3126
2181for ( 3127for (
2182 ["cf::object" => qw(contr pay_amount pay_player map)], 3128 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129 insert remove inv nrof name archname title slaying race
3130 decrease split destroy)],
2183 ["cf::object::player" => qw(player)], 3131 ["cf::object::player" => qw(player)],
2184 ["cf::player" => qw(peaceful)], 3132 ["cf::player" => qw(peaceful)],
2185 ["cf::map" => qw(trigger)], 3133 ["cf::map" => qw(trigger)],
2186) { 3134) {
2187 no strict 'refs'; 3135 no strict 'refs';
2258=back 3206=back
2259 3207
2260=cut 3208=cut
2261 3209
2262############################################################################# 3210#############################################################################
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 3211# the server's init and main functions
2336 3212
2337sub load_facedata { 3213sub load_facedata($) {
2338 my $path = sprintf "%s/facedata", cf::datadir; 3214 my ($path) = @_;
3215
3216 # HACK to clear player env face cache, we need some signal framework
3217 # for this (global event?)
3218 %ext::player_env::MUSIC_FACE_CACHE = ();
3219
3220 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339 3221
2340 warn "loading facedata from $path\n"; 3222 warn "loading facedata from $path\n";
2341 3223
2342 my $facedata; 3224 my $facedata;
2343 0 < aio_load $path, $facedata 3225 0 < aio_load $path, $facedata
2346 $facedata = Coro::Storable::thaw $facedata; 3228 $facedata = Coro::Storable::thaw $facedata;
2347 3229
2348 $facedata->{version} == 2 3230 $facedata->{version} == 2
2349 or cf::cleanup "$path: version mismatch, cannot proceed."; 3231 or cf::cleanup "$path: version mismatch, cannot proceed.";
2350 3232
3233 # patch in the exptable
3234 $facedata->{resource}{"res/exp_table"} = {
3235 type => FT_RSRC,
3236 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237 };
3238 cf::cede_to_tick;
3239
2351 { 3240 {
2352 my $faces = $facedata->{faceinfo}; 3241 my $faces = $facedata->{faceinfo};
2353 3242
2354 while (my ($face, $info) = each %$faces) { 3243 while (my ($face, $info) = each %$faces) {
2355 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3244 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245
2356 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3246 cf::face::set_visibility $idx, $info->{visibility};
3247 cf::face::set_magicmap $idx, $info->{magicmap};
2357 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3248 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3249 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359 Coro::cede; 3250
3251 cf::cede_to_tick;
2360 } 3252 }
2361 3253
2362 while (my ($face, $info) = each %$faces) { 3254 while (my ($face, $info) = each %$faces) {
2363 next unless $info->{smooth}; 3255 next unless $info->{smooth};
3256
2364 my $idx = cf::face::find $face 3257 my $idx = cf::face::find $face
2365 or next; 3258 or next;
3259
2366 if (my $smooth = cf::face::find $info->{smooth}) { 3260 if (my $smooth = cf::face::find $info->{smooth}) {
3261 cf::face::set_smooth $idx, $smooth;
2367 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3262 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368 } else { 3263 } else {
2369 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3264 warn "smooth face '$info->{smooth}' not found for face '$face'";
2370 } 3265 }
2371 Coro::cede; 3266
3267 cf::cede_to_tick;
2372 } 3268 }
2373 } 3269 }
2374 3270
2375 { 3271 {
2376 my $anims = $facedata->{animinfo}; 3272 my $anims = $facedata->{animinfo};
2377 3273
2378 while (my ($anim, $info) = each %$anims) { 3274 while (my ($anim, $info) = each %$anims) {
2379 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3275 cf::anim::set $anim, $info->{frames}, $info->{facings};
2380 Coro::cede; 3276 cf::cede_to_tick;
2381 } 3277 }
2382 3278
2383 cf::anim::invalidate_all; # d'oh 3279 cf::anim::invalidate_all; # d'oh
2384 } 3280 }
2385 3281
3282 {
3283 # TODO: for gcfclient pleasure, we should give resources
3284 # that gcfclient doesn't grok a >10000 face index.
3285 my $res = $facedata->{resource};
3286
3287 while (my ($name, $info) = each %$res) {
3288 if (defined $info->{type}) {
3289 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290 my $data;
3291
3292 if ($info->{type} & 1) {
3293 # prepend meta info
3294
3295 my $meta = $enc->encode ({
3296 name => $name,
3297 %{ $info->{meta} || {} },
3298 });
3299
3300 $data = pack "(w/a*)*", $meta, $info->{data};
3301 } else {
3302 $data = $info->{data};
3303 }
3304
3305 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306 cf::face::set_type $idx, $info->{type};
3307 } else {
3308 $RESOURCE{$name} = $info;
3309 }
3310
3311 cf::cede_to_tick;
3312 }
3313 }
3314
3315 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316
2386 1 3317 1
2387} 3318}
2388 3319
3320cf::global->attach (on_resource_update => sub {
3321 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325 my $sound = $soundconf->{compat}[$_]
3326 or next;
3327
3328 my $face = cf::face::find "sound/$sound->[1]";
3329 cf::sound::set $sound->[0] => $face;
3330 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331 }
3332
3333 while (my ($k, $v) = each %{$soundconf->{event}}) {
3334 my $face = cf::face::find "sound/$v";
3335 cf::sound::set $k => $face;
3336 }
3337 }
3338});
3339
3340register_exticmd fx_want => sub {
3341 my ($ns, $want) = @_;
3342
3343 while (my ($k, $v) = each %$want) {
3344 $ns->fx_want ($k, $v);
3345 }
3346};
3347
3348sub load_resource_file($) {
3349 my $guard = lock_acquire "load_resource_file";
3350
3351 my $status = load_resource_file_ $_[0];
3352 get_slot 0.1, 100;
3353 cf::arch::commit_load;
3354
3355 $status
3356}
3357
3358sub reload_regions {
3359 # HACK to clear player env face cache, we need some signal framework
3360 # for this (global event?)
3361 %ext::player_env::MUSIC_FACE_CACHE = ();
3362
3363 load_resource_file "$MAPDIR/regions"
3364 or die "unable to load regions file\n";
3365
3366 for (cf::region::list) {
3367 $_->{match} = qr/$_->{match}/
3368 if exists $_->{match};
3369 }
3370}
3371
3372sub reload_facedata {
3373 load_facedata "$DATADIR/facedata"
3374 or die "unable to load facedata\n";
3375}
3376
2389sub load_archetypes { 3377sub reload_archetypes {
2390 load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable 3378 load_resource_file "$DATADIR/archetypes"
2391 load_archetype_file sprintf "%s/archetypes", cf::datadir 3379 or die "unable to load archetypes\n";
2392} 3380}
2393 3381
2394sub load_treasures { 3382sub reload_treasures {
2395 load_treasure_file sprintf "%s/treasures", cf::datadir 3383 load_resource_file "$DATADIR/treasures"
3384 or die "unable to load treasurelists\n";
2396} 3385}
2397 3386
2398sub reload_resources { 3387sub reload_resources {
2399 warn "reloading resource files...\n"; 3388 warn "reloading resource files...\n";
2400 3389
2401 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402 or die "unable to load regions file\n";
2403 load_facedata 3390 reload_facedata;
2404 or die "unable to load facedata\n";
2405 load_archetypes 3391 reload_archetypes;
2406 or die "unable to load archetypes\n"; 3392 reload_regions;
2407 load_treasures 3393 reload_treasures;
2408 or die "unable to load treasurelists\n";
2409 3394
2410 warn "finished reloading resource files\n"; 3395 warn "finished reloading resource files\n";
2411} 3396}
2412 3397
2413sub init { 3398sub init {
3399 my $guard = freeze_mainloop;
3400
3401 evthread_start IO::AIO::poll_fileno;
3402
2414 reload_resources; 3403 reload_resources;
2415} 3404}
2416 3405
2417sub cfg_load { 3406sub reload_config {
2418 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2419 or return; 3408 or return;
2420 3409
2421 local $/; 3410 local $/;
2422 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2423 3412
2424 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425 3414
2426 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2438sub main { 3427sub main {
2439 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2440 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2441 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442 (async { 3431 (async {
2443 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2444 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2445 }; 3435 };
2446 3436
2447 cfg_load; 3437 {
3438 my $guard = freeze_mainloop;
3439 reload_config;
2448 db_init; 3440 db_init;
2449 load_extensions; 3441 load_extensions;
2450 3442
2451 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2452 Event::loop; 3446 EV::loop;
2453} 3447}
2454 3448
2455############################################################################# 3449#############################################################################
2456# initialisation and cleanup 3450# initialisation and cleanup
2457 3451
2458# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2459BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2460 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2461 Event->signal ( 3456 $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"; 3457 cf::cleanup "SIG$signal";
2468 },
2469 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2470 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2471} 3541}
2472 3542
2473sub emergency_save() { 3543sub emergency_save() {
2474 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2475 3545
2481 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2482 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2483 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2484 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2485 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486 $pl->save; 3557 $pl->save;
2487 } 3558 }
2488 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2489 3560
2490 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2496 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
2497 3568
2498 warn "begin emergency database checkpoint\n"; 3569 warn "begin emergency database checkpoint\n";
2499 BDB::db_env_txn_checkpoint $DB_ENV; 3570 BDB::db_env_txn_checkpoint $DB_ENV;
2500 warn "end emergency database checkpoint\n"; 3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2501 }; 3576 };
2502 3577
2503 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2504} 3579}
2505 3580
2508 3583
2509 warn Carp::longmess "post_cleanup backtrace" 3584 warn Carp::longmess "post_cleanup backtrace"
2510 if $make_core; 3585 if $make_core;
2511} 3586}
2512 3587
2513sub reload() { 3588sub do_reload_perl() {
2514 # can/must only be called in main 3589 # can/must only be called in main
2515 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2516 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2517 return; 3592 return;
2518 } 3593 }
2520 warn "reloading..."; 3595 warn "reloading...";
2521 3596
2522 warn "entering sync_job"; 3597 warn "entering sync_job";
2523 3598
2524 cf::sync_job { 3599 cf::sync_job {
2525 cf::write_runtime; # external watchdog should not bark 3600 cf::write_runtime_sync; # external watchdog should not bark
2526 cf::emergency_save; 3601 cf::emergency_save;
2527 cf::write_runtime; # external watchdog should not bark 3602 cf::write_runtime_sync; # external watchdog should not bark
2528 3603
2529 warn "syncing database to disk"; 3604 warn "syncing database to disk";
2530 BDB::db_env_txn_checkpoint $DB_ENV; 3605 BDB::db_env_txn_checkpoint $DB_ENV;
2531 3606
2532 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2533
2534 warn "cancelling all WF_AUTOCANCEL watchers";
2535 for (Event::all_watchers) {
2536 $_->cancel if $_->data & WF_AUTOCANCEL;
2537 }
2538 3608
2539 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2540 for (;;) { 3610 for (;;) {
2541 BDB::flush; 3611 BDB::flush;
2542 IO::AIO::flush; 3612 IO::AIO::flush;
2543 Coro::cede; 3613 Coro::cede_notself;
2544 last unless IO::AIO::nreqs || BDB::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2545 warn "iterate..."; 3615 warn "iterate...";
2546 } 3616 }
2547 3617
2548 ++$RELOAD; 3618 ++$RELOAD;
2552 %EXT_CORO = (); 3622 %EXT_CORO = ();
2553 3623
2554 warn "removing commands"; 3624 warn "removing commands";
2555 %COMMAND = (); 3625 %COMMAND = ();
2556 3626
2557 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2558 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2559 3630
2560 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2561 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2562 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2563 3634
2593 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2594 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595 3666
2596 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2597 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2598 3670
2599 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2600 # and global variables created in xs 3672 # and global variables created in xs
2601 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2602 3674
2605 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2606 require cf; 3678 require cf;
2607 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608 3680
2609 warn "loading config and database again"; 3681 warn "loading config and database again";
2610 cf::cfg_load; 3682 cf::reload_config;
2611 3683
2612 warn "loading extensions"; 3684 warn "loading extensions";
2613 cf::load_extensions; 3685 cf::load_extensions;
2614 3686
2615 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2617 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2618 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
2619 warn "reattaching attachments to players"; 3691 warn "reattaching attachments to players";
2620 reattach $_ for values %PLAYER; 3692 reattach $_ for values %PLAYER;
2621 3693
2622 warn "loading reloadable resources";
2623 reload_resources;
2624
2625 warn "leaving sync_job"; 3694 warn "leaving sync_job";
2626 3695
2627 1 3696 1
2628 } or do { 3697 } or do {
2629 warn $@; 3698 warn $@;
2630 warn "error while reloading, exiting."; 3699 cf::cleanup "error while reloading, exiting.";
2631 exit 1;
2632 }; 3700 };
2633 3701
2634 warn "reloaded"; 3702 warn "reloaded";
2635}; 3703};
2636 3704
2637our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2638 3706
3707sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here.
3710
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3712 do_reload_perl;
3713 undef $RELOAD_WATCHER;
3714 };
3715}
3716
2639register_command "reload" => sub { 3717register_command "reload" => sub {
2640 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2641 3719
2642 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2643 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2644 3722 async {
2645 # doing reload synchronously and two reloads happen back-to-back, 3723 $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; 3724 reload_perl;
2654 undef $RELOAD_WATCHER;
2655 },
2656 ); 3725 };
2657 } 3726 }
2658}; 3727};
2659 3728
2660unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2661 3730
2663 3732
2664our @WAIT_FOR_TICK; 3733our @WAIT_FOR_TICK;
2665our @WAIT_FOR_TICK_BEGIN; 3734our @WAIT_FOR_TICK_BEGIN;
2666 3735
2667sub wait_for_tick { 3736sub wait_for_tick {
2668 return unless $TICK_WATCHER->is_active;
2669 return if $Coro::current == $Coro::main; 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2670 3738
2671 my $signal = new Coro::Signal; 3739 my $signal = new Coro::Signal;
2672 push @WAIT_FOR_TICK, $signal; 3740 push @WAIT_FOR_TICK, $signal;
2673 $signal->wait; 3741 $signal->wait;
2674} 3742}
2675 3743
2676sub wait_for_tick_begin { 3744sub wait_for_tick_begin {
2677 return unless $TICK_WATCHER->is_active;
2678 return if $Coro::current == $Coro::main; 3745 return if tick_inhibit || $Coro::current == $Coro::main;
2679 3746
2680 my $signal = new Coro::Signal; 3747 my $signal = new Coro::Signal;
2681 push @WAIT_FOR_TICK_BEGIN, $signal; 3748 push @WAIT_FOR_TICK_BEGIN, $signal;
2682 $signal->wait; 3749 $signal->wait;
2683} 3750}
2684 3751
2685$TICK_WATCHER = Event->timer ( 3752sub 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 != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2693 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2695 return; 3756 return;
2696 } 3757 }
2697 3758
2698 $NOW = Event::time;
2699
2700 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2701 3760
2702 $RUNTIME += $TICK;
2703 $NEXT_TICK += $TICK;
2704
2705 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706 $NEXT_RUNTIME_WRITE = $NOW + 10; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707 Coro::async_pool { 3763 Coro::async_pool {
3764 $Coro::current->{desc} = "runtime saver";
2708 write_runtime 3765 write_runtime_sync
2709 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
2710 };
2711 } 3767 };
3768 }
2712 3769
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) { 3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723 $sig->send; 3771 $sig->send;
2724 } 3772 }
2725 while (my $sig = shift @WAIT_FOR_TICK) { 3773 while (my $sig = shift @WAIT_FOR_TICK) {
2726 $sig->send; 3774 $sig->send;
2727 }
2728
2729 _post_tick;
2730 }, 3775 }
2731); 3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
2732 3788
2733{ 3789{
2734 BDB::max_poll_time $TICK * 0.1; 3790 # configure BDB
2735 $BDB_POLL_WATCHER = Event->io ( 3791
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; 3792 BDB::min_parallel 8;
2744 3793 BDB::max_poll_reqs $TICK * 0.1;
2745 BDB::set_sync_prepare { 3794 $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 $! = $status;
2756 },
2757 )
2758 };
2759 3795
2760 unless ($DB_ENV) { 3796 unless ($DB_ENV) {
2761 $DB_ENV = BDB::db_env_create; 3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762 3802
2763 cf::sync_job { 3803 cf::sync_job {
2764 eval { 3804 eval {
2765 BDB::db_env_open 3805 BDB::db_env_open
2766 $DB_ENV, 3806 $DB_ENV,
2767 $BDB_ENV_DIR, 3807 $BDBDIR,
2768 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770 0666; 3810 0666;
2771 3811
2772 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3812 cf::cleanup "db_env_open($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 }; 3813 };
2777 3814
2778 cf::cleanup "db_env_open(db): $@" if $@; 3815 cf::cleanup "db_env_open(db): $@" if $@;
2779 }; 3816 };
2780 } 3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
2781} 3828}
2782 3829
2783{ 3830{
3831 # configure IO::AIO
3832
2784 IO::AIO::min_parallel 8; 3833 IO::AIO::min_parallel 8;
2785
2786 undef $Coro::AIO::WATCHER;
2787 IO::AIO::max_poll_time $TICK * 0.1; 3834 IO::AIO::max_poll_time $TICK * 0.1;
2788 $AIO_POLL_WATCHER = Event->io ( 3835 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} 3836}
3837
3838my $_log_backtrace;
3839
3840sub _log_backtrace {
3841 my ($msg, @addr) = @_;
3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
3875 }
3876}
3877
3878# load additional modules
3879use cf::pod;
2797 3880
2798END { cf::emergency_save } 3881END { cf::emergency_save }
2799 3882
28001 38831
2801 3884

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