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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.429 by root, Sat May 3 15:17:13 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 Socket; 29use Socket;
9use Storable; 30use EV 3.2;
10use Event;
11use Opcode; 31use Opcode;
12use Safe; 32use Safe;
13use Safe::Hole; 33use Safe::Hole;
34use Storable ();
14 35
15use Coro 3.61 (); 36use Coro 4.50 ();
16use Coro::State; 37use Coro::State;
17use Coro::Handle; 38use Coro::Handle;
18use Coro::Event; 39use Coro::EV;
19use Coro::Timer; 40use Coro::Timer;
20use Coro::Signal; 41use Coro::Signal;
21use Coro::Semaphore; 42use Coro::Semaphore;
22use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
23use Coro::Storable; 45use Coro::Storable;
46use Coro::Util ();
24 47
48use JSON::XS 2.01 ();
25use BDB (); 49use BDB ();
26use Data::Dumper; 50use Data::Dumper;
27use Digest::MD5; 51use Digest::MD5;
28use Fcntl; 52use Fcntl;
29use YAML::Syck (); 53use YAML ();
30use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
31use Time::HiRes; 55use Time::HiRes;
32use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
33 58
34# configure various modules to our taste 59# configure various modules to our taste
35# 60#
36$Storable::canonical = 1; # reduce rsync transfers 61$Storable::canonical = 1; # reduce rsync transfers
37Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39 64
40$Event::Eval = 1; # no idea why this is required, but it is
41
42# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43$YAML::Syck::ImplicitUnicode = 1;
44
45$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46 66
47sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
48 68
49our %COMMAND = (); 69our %COMMAND = ();
50our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
51 71
52our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
53our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
54our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
55our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
56 77
57our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
58our @EVENT; 79our @EVENT;
59our $LIBDIR = datadir . "/ext"; 80
81our $CONFDIR = confdir;
82our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
60 93
61our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62our $TICK_WATCHER;
63our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
64our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65our $NEXT_TICK; 97our $NEXT_TICK;
66our $NOW;
67our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
68 99
69our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
70our $DB_ENV; 104our $DB_ENV;
71 105
72our %CFG; 106our %CFG;
73 107
74our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
75our $RUNTIME; 109our $RUNTIME;
110our $NOW;
76 111
77our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
78our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
79our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
80our $RANDOM_MAPS = cf::localdir . "/random";
81our $BDB_ENV_DIR = cf::localdir . "/db";
82 115
83# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
84our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85 118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
123
86binmode STDOUT; 124binmode STDOUT;
87binmode STDERR; 125binmode STDERR;
88 126
89# read virtual server time, if available 127# read virtual server time, if available
90unless ($RUNTIME || !-e cf::localdir . "/runtime") { 128unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91 open my $fh, "<", cf::localdir . "/runtime" 129 open my $fh, "<", "$LOCALDIR/runtime"
92 or die "unable to read runtime file: $!"; 130 or die "unable to read runtime file: $!";
93 $RUNTIME = <$fh> + 0.; 131 $RUNTIME = <$fh> + 0.;
94} 132}
95 133
96mkdir cf::localdir; 134mkdir $_
97mkdir cf::localdir . "/" . cf::playerdir; 135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98mkdir cf::localdir . "/" . cf::tmpdir;
99mkdir cf::localdir . "/" . cf::uniquedir;
100mkdir $RANDOM_MAPS;
101mkdir $BDB_ENV_DIR;
102 136
103our $EMERGENCY_POSITION; 137our $EMERGENCY_POSITION;
104 138
105sub cf::map::normalise; 139sub cf::map::normalise;
106 140
117=item $cf::RUNTIME 151=item $cf::RUNTIME
118 152
119The time this server has run, starts at 0 and is increased by $cf::TICK on 153The time this server has run, starts at 0 and is increased by $cf::TICK on
120every server tick. 154every server tick.
121 155
122=item $cf::LIBDIR 156=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123 159
124The perl library directory, where extensions and cf-specific modules can 160Various directories - "/etc", read-only install directory, perl-library
125be found. It will be added to C<@INC> automatically. 161directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162unique-items directory, player file directory, random maps directory and
163database environment.
126 164
127=item $cf::NOW 165=item $cf::NOW
128 166
129The time of the last (current) server tick. 167The time of the last (current) server tick.
130 168
131=item $cf::TICK 169=item $cf::TICK
132 170
133The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
134 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
135=item %cf::CFG 183=item %cf::CFG
136 184
137Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138from wherever your confdir points to. 186from wherever your confdir points to.
139 187
140=item cf::wait_for_tick, cf::wait_for_tick_begin 188=item cf::wait_for_tick, cf::wait_for_tick_begin
141 189
142These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143returns directly I<after> the tick processing (and consequently, can only wake one process 191returns directly I<after> the tick processing (and consequently, can only wake one process
144per tick), while cf::wait_for_tick wakes up all waiters after tick processing. 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
199
146=back 200=back
147 201
148=cut 202=cut
149 203
150BEGIN { 204BEGIN {
152 my $msg = join "", @_; 206 my $msg = join "", @_;
153 207
154 $msg .= "\n" 208 $msg .= "\n"
155 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
156 210
157 $msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158 212
159 utf8::encode $msg;
160 LOG llevError, $msg; 213 LOG llevError, $msg;
161 }; 214 };
162} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
163 231
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170 239
171# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
172# within the Safe compartment. 241# within the Safe compartment.
173for my $pkg (qw( 242for my $pkg (qw(
174 cf::global cf::attachable 243 cf::global cf::attachable
179)) { 248)) {
180 no strict 'refs'; 249 no strict 'refs';
181 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182} 251}
183 252
184$Event::DIED = sub { 253$EV::DIED = sub {
185 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
186}; 255};
256
257#############################################################################
187 258
188=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
189 260
190=over 4 261=over 4
191 262
210 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211 $d 282 $d
212 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
213} 284}
214 285
215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
218 287
219Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
220 289
221=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
222 291
223Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
293
294=cut
295
296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297
298sub encode_json($) { $json_coder->encode ($_[0]) }
299sub decode_json($) { $json_coder->decode ($_[0]) }
224 300
225=item cf::lock_wait $string 301=item cf::lock_wait $string
226 302
227Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
228 304
231Wait until the given lock is available and then acquires it and returns 307Wait until the given lock is available and then acquires it and returns
232a Coro::guard object. If the guard object gets destroyed (goes out of scope, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
234returned. 310returned.
235 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
236Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
237uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
238 317
318=item $locked = cf::lock_active $string
319
320Return true if the lock is currently active, i.e. somebody has locked it.
321
239=cut 322=cut
240 323
241our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
242 326
243sub lock_wait($) { 327sub lock_wait($) {
244 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
245 334
246 # wait for lock, if any 335 # wait for lock, if any
247 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
248 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
249 Coro::schedule; 338 Coro::schedule;
255 344
256 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
257 lock_wait $key; 346 lock_wait $key;
258 347
259 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
260 350
261 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
262 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
264 } 355 }
265} 356}
266 357
358sub lock_active($) {
359 my ($key) = @_;
360
361 ! ! $LOCK{$key}
362}
363
267sub freeze_mainloop { 364sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
269 366
270 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
271 $TICK_WATCHER->start; 368}
369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
272 }; 428 }
273 $TICK_WATCHER->stop; 429};
274 $guard 430
431sub get_slot($;$$) {
432 return if tick_inhibit || $Coro::current == $Coro::main;
433
434 my ($time, $pri, $name) = @_;
435
436 $time = $TICK * .6 if $time > $TICK * .6;
437 my $sig = new Coro::Signal;
438
439 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441 $SLOT_QUEUE->ready;
442 $sig->wait;
275} 443}
276 444
277=item cf::async { BLOCK } 445=item cf::async { BLOCK }
278 446
279Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
284 452
285BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
286 454
287=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
288 456
289The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
290always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
291reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
292 461
293If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
294the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
295server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
296fast or be very important. 465fast or be very important.
299 468
300sub sync_job(&) { 469sub sync_job(&) {
301 my ($job) = @_; 470 my ($job) = @_;
302 471
303 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
304 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
306 477
307 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
308 # (but this is cancel-safe) 479
309 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
310 481
311 my $busy = 1; 482 my $busy = 1;
312 my @res; 483 my @res;
313 484
314 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
315 @res = eval { $job->() }; 487 @res = eval { $job->() };
316 warn $@ if $@; 488 warn $@ if $@;
317 undef $busy; 489 undef $busy;
318 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
319 491
320 while ($busy) { 492 while ($busy) {
321 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
322 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
323 503
324 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
325 } else { 505 } else {
326 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
327 507
347 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
348 528
349 $coro 529 $coro
350} 530}
351 531
352sub write_runtime { 532=item fork_call { }, $args
353 my $guard = cf::lock_acquire "write_runtime";
354 533
355 my $runtime = cf::localdir . "/runtime"; 534Executes the given code block with the given arguments in a seperate
535process, returning the results. Everything must be serialisable with
536Coro::Storable. May, of course, block. Note that the executed sub may
537never block itself or use any form of event handling.
356 538
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 539=cut
358 or return;
359 540
360 my $value = $cf::RUNTIME + 90 + 10; 541sub fork_call(&@) {
361 # 10 is the runtime save interval, for a monotonic clock 542 my ($cb, @args) = @_;
362 # 60 allows for the watchdog to kill the server.
363 543
364 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544 # we seemingly have to make a local copy of the whole thing,
365 and return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
366 547
367 # always fsync - this file is important 548 my @res = Coro::Util::fork_eval {
368 aio_fsync $fh 549 reset_signals;
369 and return; 550 &$cb
551 }, @args;
370 552
371 close $fh 553 wantarray ? @res : $res[-1]
372 or return; 554}
373 555
374 aio_rename "$runtime~", $runtime 556=item $coin = coin_from_name $name
375 and return;
376 557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
578 $coin_alias{$_[0]}
579 ? cf::arch::find $coin_alias{$_[0]}
580 : undef
581}
582
583=item $value = cf::db_get $family => $key
584
585Returns a single value from the environment database.
586
587=item cf::db_put $family => $key => $value
588
589Stores the given C<$value> in the family. It can currently store binary
590data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
591
592=item $db = cf::db_table "name"
593
594Create and/or open a new database table. The string must not be "db" and must be unique
595within each server.
596
597=cut
598
599sub db_table($) {
600 my ($name) = @_;
601 my $db = BDB::db_create $DB_ENV;
602
603 eval {
604 $db->set_flags (BDB::CHKSUM);
605
606 utf8::encode $name;
607 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
608 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
609 cf::cleanup "db_open(db): $!" if $!;
610 };
611 cf::cleanup "db_open(db): $@" if $@;
612
613 $db
614}
615
616our $DB;
617
618sub db_init {
619 cf::sync_job {
620 $DB ||= db_table "db";
621 };
622}
623
624sub db_get($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
377 1 632 }
633}
634
635sub db_put($$$) {
636 BDB::dbreq_pri 4;
637 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
638}
639
640=item cf::cache $id => [$paths...], $processversion => $process
641
642Generic caching function that returns the value of the resource $id,
643caching and regenerating as required.
644
645This function can block.
646
647=cut
648
649sub cache {
650 my ($id, $src, $processversion, $process) = @_;
651
652 my $meta =
653 join "\x00",
654 $processversion,
655 map {
656 aio_stat $_
657 and Carp::croak "$_: $!";
658
659 ($_, (stat _)[7,9])
660 } @$src;
661
662 my $dbmeta = db_get cache => "$id/meta";
663 if ($dbmeta ne $meta) {
664 # changed, we may need to process
665
666 my @data;
667 my $md5;
668
669 for (0 .. $#$src) {
670 0 <= aio_load $src->[$_], $data[$_]
671 or Carp::croak "$src->[$_]: $!";
672 }
673
674 # if processing is expensive, check
675 # checksum first
676 if (1) {
677 $md5 =
678 join "\x00",
679 $processversion,
680 map {
681 cf::cede_to_tick;
682 ($src->[$_], Digest::MD5::md5_hex $data[$_])
683 } 0.. $#$src;
684
685
686 my $dbmd5 = db_get cache => "$id/md5";
687 if ($dbmd5 eq $md5) {
688 db_put cache => "$id/meta", $meta;
689
690 return db_get cache => "$id/data";
691 }
692 }
693
694 my $t1 = Time::HiRes::time;
695 my $data = $process->(\@data);
696 my $t2 = Time::HiRes::time;
697
698 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
699
700 db_put cache => "$id/data", $data;
701 db_put cache => "$id/md5" , $md5;
702 db_put cache => "$id/meta", $meta;
703
704 return $data;
705 }
706
707 db_get cache => "$id/data"
378} 708}
379 709
380=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
381 711
382Log a datalog packet of the given type with the given key-value pairs. 712Log a datalog packet of the given type with the given key-value pairs.
400attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
401to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
402 732
403In the following description, CLASS can be any of C<global>, C<object> 733In the following description, CLASS can be any of C<global>, C<object>
404C<player>, C<client> or C<map> (i.e. the attachable objects in 734C<player>, C<client> or C<map> (i.e. the attachable objects in
405crossfire+). 735Deliantra).
406 736
407=over 4 737=over 4
408 738
409=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
410 740
573 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
574 904
575 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 909
580 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 911 my $pkg = shift @arg;
582 912
583 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
612 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
613 } 943 }
614 944
615 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
616 } else { 946 } else {
617 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
618 } 948 }
619 949
620 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
621} 951}
622 952
624 if (ref $_[0]) { 954 if (ref $_[0]) {
625 _object_attach @_; 955 _object_attach @_;
626 } else { 956 } else {
627 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
628 } 958 }
959 _recalc_want;
629}; 960};
630 961
631# all those should be optimised 962# all those should be optimised
632sub cf::attachable::detach { 963sub cf::attachable::detach {
633 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
636 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
637 reattach ($obj); 968 reattach ($obj);
638 } else { 969 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
640 } 971 }
972 _recalc_want;
641}; 973};
642 974
643sub cf::attachable::attached { 975sub cf::attachable::attached {
644 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
645 977
660 "; 992 ";
661 die if $@; 993 die if $@;
662} 994}
663 995
664our $override; 996our $override;
665our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 997our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666 998
667sub override { 999sub override {
668 $override = 1; 1000 $override = 1;
669 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
670} 1002}
671 1003
672sub do_invoke { 1004sub do_invoke {
673 my $event = shift; 1005 my $event = shift;
674 my $callbacks = shift; 1006 my $callbacks = shift;
675 1007
676 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
677 1009
678 local $override; 1010 local $override;
679 1011
680 for (@$callbacks) { 1012 for (@$callbacks) {
681 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
690 } 1022 }
691 1023
692 0 1024 0
693} 1025}
694 1026
695=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696 1028
697=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698 1030
699Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
700 1032
701This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1033This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702removed in future versions), and there is no public API to access override 1034removed in future versions), and there is no public API to access override
703results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704 1036
705=back 1037=back
706 1038
707=cut 1039=cut
708 1040
709############################################################################# 1041#############################################################################
710# object support 1042# object support
1043
1044sub _object_equal($$);
1045sub _object_equal($$) {
1046 my ($a, $b) = @_;
1047
1048 return 0 unless (ref $a) eq (ref $b);
1049
1050 if ("HASH" eq ref $a) {
1051 my @ka = keys %$a;
1052 my @kb = keys %$b;
1053
1054 return 0 if @ka != @kb;
1055
1056 for (0 .. $#ka) {
1057 return 0 unless $ka[$_] eq $kb[$_];
1058 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1059 }
1060
1061 } elsif ("ARRAY" eq ref $a) {
1062
1063 return 0 if @$a != @$b;
1064
1065 for (0 .. $#$a) {
1066 return 0 unless _object_equal $a->[$_], $b->[$_];
1067 }
1068
1069 } elsif ($a ne $b) {
1070 return 0;
1071 }
1072
1073 1
1074}
1075
1076our $SLOW_MERGES;#d#
1077sub _can_merge {
1078 my ($ob1, $ob2) = @_;
1079
1080 ++$SLOW_MERGES;#d#
1081
1082 # we do the slow way here
1083 return _object_equal $ob1, $ob2
1084}
711 1085
712sub reattach { 1086sub reattach {
713 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
714 my ($obj) = @_; 1088 my ($obj) = @_;
715 1089
736cf::attachable->attach ( 1110cf::attachable->attach (
737 prio => -1000000, 1111 prio => -1000000,
738 on_instantiate => sub { 1112 on_instantiate => sub {
739 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
740 1114
741 $data = from_json $data; 1115 $data = decode_json $data;
742 1116
743 for (@$data) { 1117 for (@$data) {
744 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
745 1119
746 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
762sub object_freezer_save { 1136sub object_freezer_save {
763 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
764 1138
765 sync_job { 1139 sync_job {
766 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
767 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
768 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
769 1144
770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
772 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
774 close $fh; 1149 aio_close $fh;
775 1150
776 if (@$objs) { 1151 if (@$objs) {
777 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1152 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
779 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
781 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
782 close $fh; 1157 aio_close $fh;
783 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
784 } 1159 }
785 } else { 1160 } else {
786 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
787 } 1162 }
792 } 1167 }
793 } else { 1168 } else {
794 aio_unlink $filename; 1169 aio_unlink $filename;
795 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
796 } 1171 }
797 } 1172 };
798} 1173}
799 1174
800sub object_freezer_as_string { 1175sub object_freezer_as_string {
801 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
802 1177
814 or return; 1189 or return;
815 1190
816 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
817 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
818 or return; 1193 or return;
1194
819 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
820 } 1197 }
821 1198
1199 utf8::decode (my $decname = $filename);
822 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
824 return ($data, $av); 1203 ($data, $av)
825} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
826 1211
827############################################################################# 1212#############################################################################
828# command handling &c 1213# command handling &c
829 1214
830=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
843 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
844} 1229}
845 1230
846=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
847 1232
848Register a callbackf ro execution when the client sends an extcmd packet. 1233Register a callback for execution when the client sends an (synchronous)
1234extcmd packet. Ext commands will be processed in the order they are
1235received by the server, like other user commands. The first argument is
1236the logged-in player. Ext commands can only be processed after a player
1237has logged in successfully.
849 1238
850If the callback returns something, it is sent back as if reply was being 1239If the callback returns something, it is sent back as if reply was being
851called. 1240called.
852 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
853=cut 1253=cut
854 1254
855sub register_extcmd { 1255sub register_extcmd {
856 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
857 1257
858 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
859} 1265}
860 1266
861cf::player->attach ( 1267cf::player->attach (
862 on_command => sub { 1268 on_command => sub {
863 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
872 cf::override; 1278 cf::override;
873 }, 1279 },
874 on_extcmd => sub { 1280 on_extcmd => sub {
875 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
876 1282
877 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878 1284
879 if (ref $msg) { 1285 if (ref $msg) {
1286 my ($type, $reply, @payload) =
1287 "ARRAY" eq ref $msg
1288 ? @$msg
1289 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290
1291 my @reply;
1292
880 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
881 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
882 $pl->ext_reply ($msg->{msgid}, %reply);
883 }
884 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
885 } else { 1300 } else {
886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887 } 1302 }
888 1303
889 cf::override; 1304 cf::override;
890 }, 1305 },
891); 1306);
892 1307
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
928 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 1313 next unless -r $path;
930 eval { 1314
931 load_extension $ext; 1315 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1316 my $base = $1;
1317 my $pkg = $1;
1318 $pkg =~ s/[^[:word:]]/_/g;
1319 $pkg = "ext::$pkg";
1320
1321 open my $fh, "<:utf8", $path
1322 or die "$path: $!";
1323
1324 my $source = do { local $/; <$fh> };
1325
1326 my %ext = (
1327 path => $path,
1328 base => $base,
1329 pkg => $pkg,
1330 );
1331
1332 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334
1335 $ext{source} =
1336 "package $pkg; use strict; use utf8;\n"
1337 . "#line 1 \"$path\"\n{\n"
1338 . $source
1339 . "\n};\n1";
1340
1341 $todo{$base} = \%ext;
1342 }
1343
1344 my %done;
1345 while (%todo) {
1346 my $progress;
1347
1348 while (my ($k, $v) = each %todo) {
1349 for (split /,\s*/, $v->{meta}{depends}) {
1350 goto skip
1351 unless exists $done{$_};
1352 }
1353
1354 warn "... loading '$k' into '$v->{pkg}'\n";
1355
1356 unless (eval $v->{source}) {
1357 my $msg = $@ ? "$v->{path}: $@\n"
1358 : "$v->{base}: extension inactive.\n";
1359
1360 if (exists $v->{meta}{mandatory}) {
1361 warn $msg;
1362 cf::cleanup "mandatory extension failed to load, exiting.";
1363 }
1364
1365 warn $msg;
1366 }
1367
1368 $done{$k} = delete $todo{$k};
1369 push @EXTS, $v->{pkg};
1370 $progress = 1;
932 1 1371 }
933 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
934 } 1377 };
935} 1378}
936 1379
937############################################################################# 1380#############################################################################
938 1381
1382=back
1383
939=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
940 1385
941Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
942 1387
943=cut 1388=cut
948 1393
949=head3 cf::player 1394=head3 cf::player
950 1395
951=over 4 1396=over 4
952 1397
1398=item cf::player::num_playing
1399
1400Returns the official number of playing players, as per the Crossfire metaserver rules.
1401
1402=cut
1403
1404sub num_playing {
1405 scalar grep
1406 $_->ob->map
1407 && !$_->hidden
1408 && !$_->ob->flag (cf::FLAG_WIZ),
1409 cf::player::list
1410}
1411
953=item cf::player::find $login 1412=item cf::player::find $login
954 1413
955Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
956 1415
957=cut 1416=cut
958 1417
959sub playerdir($) { 1418sub playerdir($) {
960 cf::localdir 1419 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1420 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1421}
966 1422
967sub path($) { 1423sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1424 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl"; 1454 aio_unlink +(playerdir $login) . "/$login.pl";
999 1455
1000 my $pl = load_pl path $login 1456 my $f = new_from_file cf::object::thawer path $login
1001 or return; 1457 or return;
1458
1459 my $pl = cf::player::load_pl $f
1460 or return;
1461
1462 local $cf::PLAYER_LOADING{$login} = $pl;
1463 $f->resolve_delayed_derefs;
1002 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
1003 } 1465 }
1004 } 1466 }
1005} 1467}
1006 1468
1015 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1016 1478
1017 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1019 1481
1482 cf::get_slot 0.01;
1483
1020 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1021 Coro::cede; 1485 cf::cede_to_tick;
1022} 1486}
1023 1487
1024sub new($) { 1488sub new($) {
1025 my ($login) = @_; 1489 my ($login) = @_;
1026 1490
1030 $self->{deny_save} = 1; 1494 $self->{deny_save} = 1;
1031 1495
1032 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1033 1497
1034 $self 1498 $self
1499}
1500
1501=item $player->send_msg ($channel, $msg, $color, [extra...])
1502
1503=cut
1504
1505sub send_msg {
1506 my $ns = shift->ns
1507 or return;
1508 $ns->send_msg (@_);
1035} 1509}
1036 1510
1037=item $pl->quit_character 1511=item $pl->quit_character
1038 1512
1039Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1088while and may block, so not sync_job-capable, ever. 1562while and may block, so not sync_job-capable, ever.
1089 1563
1090=cut 1564=cut
1091 1565
1092sub list_logins { 1566sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1567 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1568 or return [];
1095 1569
1096 my @logins; 1570 my @logins;
1097 1571
1098 for my $login (@$dirs) { 1572 for my $login (@$dirs) {
1573 my $path = path $login;
1574
1575 # a .pst is a dead give-away for a valid player
1576 # if no pst file found, open and chekc for blocked users
1577 if (aio_stat "$path.pst") {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1578 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next; 1579 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag 1580 $buf !~ /^password -------------$/m or next; # official not-valid tag
1581 }
1102 1582
1103 utf8::decode $login; 1583 utf8::decode $login;
1104 push @logins, $login; 1584 push @logins, $login;
1105 } 1585 }
1106 1586
1133 } 1613 }
1134 1614
1135 \@paths 1615 \@paths
1136} 1616}
1137 1617
1618=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1619
1620Expand crossfire pod fragments into protocol xml.
1621
1622=cut
1623
1624use re 'eval';
1625
1626my $group;
1627my $interior; $interior = qr{
1628 # match a pod interior sequence sans C<< >>
1629 (?:
1630 \ (.*?)\ (?{ $group = $^N })
1631 | < (??{$interior}) >
1632 )
1633}x;
1634
1635sub expand_cfpod {
1636 my ($self, $pod) = @_;
1637
1638 my $xml;
1639
1640 while () {
1641 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642 $group = $1;
1643
1644 $group =~ s/&/&amp;/g;
1645 $group =~ s/</&lt;/g;
1646
1647 $xml .= $group;
1648 } elsif ($pod =~ m%\G
1649 ([BCGHITU])
1650 <
1651 (?:
1652 ([^<>]*) (?{ $group = $^N })
1653 | < $interior >
1654 )
1655 >
1656 %gcsx
1657 ) {
1658 my ($code, $data) = ($1, $group);
1659
1660 if ($code eq "B") {
1661 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662 } elsif ($code eq "I") {
1663 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664 } elsif ($code eq "U") {
1665 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666 } elsif ($code eq "C") {
1667 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668 } elsif ($code eq "T") {
1669 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670 } elsif ($code eq "G") {
1671 my ($male, $female) = split /\|/, $data;
1672 $data = $self->gender ? $female : $male;
1673 $xml .= expand_cfpod ($self, $data);
1674 } elsif ($code eq "H") {
1675 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677 "")
1678 [$self->{hintmode}];
1679 } else {
1680 $xml .= "error processing '$code($data)' directive";
1681 }
1682 } else {
1683 if ($pod =~ /\G(.+)/) {
1684 warn "parse error while expanding $pod (at $1)";
1685 }
1686 last;
1687 }
1688 }
1689
1690 for ($xml) {
1691 # create single paragraphs (very hackish)
1692 s/(?<=\S)\n(?=\w)/ /g;
1693
1694 # compress some whitespace
1695 s/\s+\n/\n/g; # ws line-ends
1696 s/\n\n+/\n/g; # double lines
1697 s/^\n+//; # beginning lines
1698 s/\n+$//; # ending lines
1699 }
1700
1701 $xml
1702}
1703
1704no re 'eval';
1705
1706sub hintmode {
1707 $_[0]{hintmode} = $_[1] if @_ > 1;
1708 $_[0]{hintmode}
1709}
1710
1138=item $player->ext_reply ($msgid, %msg) 1711=item $player->ext_reply ($msgid, @msg)
1139 1712
1140Sends an ext reply to the player. 1713Sends an ext reply to the player.
1141 1714
1142=cut 1715=cut
1143 1716
1144sub ext_reply($$%) { 1717sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1718 my ($self, $id, @msg) = @_;
1146 1719
1147 $msg{msgid} = $id; 1720 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1721}
1151 1722
1152=item $player->ext_event ($type, %msg) 1723=item $player->ext_msg ($type, @msg)
1153 1724
1154Sends an ext event to the client. 1725Sends an ext event to the client.
1155 1726
1156=cut 1727=cut
1157 1728
1158sub ext_event($$%) { 1729sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1730 my ($self, $type, @msg) = @_;
1160 1731
1161 $self->ns->ext_event ($type, %msg); 1732 $self->ns->ext_msg ($type, @msg);
1162} 1733}
1163 1734
1164=head3 cf::region 1735=head3 cf::region
1165 1736
1166=over 4 1737=over 4
1169 1740
1170package cf::region; 1741package cf::region;
1171 1742
1172=item cf::region::find_by_path $path 1743=item cf::region::find_by_path $path
1173 1744
1174Tries to decuce the probable region for a map knowing only its path. 1745Tries to decuce the likely region for a map knowing only its path.
1175 1746
1176=cut 1747=cut
1177 1748
1178sub find_by_path($) { 1749sub find_by_path($) {
1179 my ($path) = @_; 1750 my ($path) = @_;
1180 1751
1181 my ($match, $specificity); 1752 my ($match, $specificity);
1182 1753
1183 for my $region (list) { 1754 for my $region (list) {
1184 if ($region->match && $path =~ $region->match) { 1755 if ($region->{match} && $path =~ $region->{match}) {
1185 ($match, $specificity) = ($region, $region->specificity) 1756 ($match, $specificity) = ($region, $region->specificity)
1186 if $region->specificity > $specificity; 1757 if $region->specificity > $specificity;
1187 } 1758 }
1188 } 1759 }
1189 1760
1210our $MAX_RESET = 3600; 1781our $MAX_RESET = 3600;
1211our $DEFAULT_RESET = 3000; 1782our $DEFAULT_RESET = 3000;
1212 1783
1213sub generate_random_map { 1784sub generate_random_map {
1214 my ($self, $rmp) = @_; 1785 my ($self, $rmp) = @_;
1786
1787 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788
1215 # mit "rum" bekleckern, nicht 1789 # mit "rum" bekleckern, nicht
1216 $self->_create_random_map ( 1790 $self->_create_random_map (
1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1791 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1792 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1793 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1253 my ($self, $merge) = @_; 1827 my ($self, $merge) = @_;
1254 1828
1255 # we have to keep some variables in memory intact 1829 # we have to keep some variables in memory intact
1256 local $self->{path}; 1830 local $self->{path};
1257 local $self->{load_path}; 1831 local $self->{load_path};
1258 local $self->{deny_save};
1259 local $self->{deny_reset};
1260 1832
1261 $self->SUPER::thawer_merge ($merge); 1833 $self->SUPER::thawer_merge ($merge);
1262} 1834}
1263 1835
1264sub normalise { 1836sub normalise {
1311 $self->init; # pass $1 etc. 1883 $self->init; # pass $1 etc.
1312 return $self; 1884 return $self;
1313 } 1885 }
1314 } 1886 }
1315 1887
1316 Carp::carp "unable to resolve path '$path' (base '$base')."; 1888 Carp::cluck "unable to resolve path '$path' (base '$base').";
1317 () 1889 ()
1318} 1890}
1319 1891
1320sub init { 1892sub init {
1321 my ($self) = @_; 1893 my ($self) = @_;
1336 1908
1337# the original (read-only) location 1909# the original (read-only) location
1338sub load_path { 1910sub load_path {
1339 my ($self) = @_; 1911 my ($self) = @_;
1340 1912
1341 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1913 "$MAPDIR/$self->{path}.map"
1342} 1914}
1343 1915
1344# the temporary/swap location 1916# the temporary/swap location
1345sub save_path { 1917sub save_path {
1346 my ($self) = @_; 1918 my ($self) = @_;
1347 1919
1348 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1920 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1921 "$TMPDIR/$path.map"
1350} 1922}
1351 1923
1352# the unique path, undef == no special unique path 1924# the unique path, undef == no special unique path
1353sub uniq_path { 1925sub uniq_path {
1354 my ($self) = @_; 1926 my ($self) = @_;
1355 1927
1356 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1929 "$UNIQUEDIR/$path"
1358} 1930}
1359 1931
1360# and all this just because we cannot iterate over 1932# and all this just because we cannot iterate over
1361# all maps in C++... 1933# all maps in C++...
1362sub change_all_map_light { 1934sub change_all_map_light {
1364 1936
1365 $_->change_map_light ($change) 1937 $_->change_map_light ($change)
1366 for grep $_->outdoor, values %cf::MAP; 1938 for grep $_->outdoor, values %cf::MAP;
1367} 1939}
1368 1940
1941sub decay_objects {
1942 my ($self) = @_;
1943
1944 return if $self->{deny_reset};
1945
1946 $self->do_decay_objects;
1947}
1948
1369sub unlink_save { 1949sub unlink_save {
1370 my ($self) = @_; 1950 my ($self) = @_;
1371 1951
1372 utf8::encode (my $save = $self->save_path); 1952 utf8::encode (my $save = $self->save_path);
1373 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1953 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1376 1956
1377sub load_header_from($) { 1957sub load_header_from($) {
1378 my ($self, $path) = @_; 1958 my ($self, $path) = @_;
1379 1959
1380 utf8::encode $path; 1960 utf8::encode $path;
1381 #aio_open $path, O_RDONLY, 0 1961 my $f = new_from_file cf::object::thawer $path
1382 # or return;
1383
1384 $self->_load_header ($path)
1385 or return; 1962 or return;
1963
1964 $self->_load_header ($f)
1965 or return;
1966
1967 local $MAP_LOADING{$self->{path}} = $self;
1968 $f->resolve_delayed_derefs;
1386 1969
1387 $self->{load_path} = $path; 1970 $self->{load_path} = $path;
1388 1971
1389 1 1972 1
1390} 1973}
1429 $self->load_header_orig 2012 $self->load_header_orig
1430 or return; 2013 or return;
1431 $self->prepare_orig; 2014 $self->prepare_orig;
1432 } 2015 }
1433 2016
2017 $self->{deny_reset} = 1
2018 if $self->no_reset;
2019
1434 $self->default_region (cf::region::find_by_path $self->{path}) 2020 $self->default_region (cf::region::find_by_path $self->{path})
1435 unless $self->default_region; 2021 unless $self->default_region;
1436 2022
1437 1 2023 1
1438} 2024}
1441sub find { 2027sub find {
1442 my ($path, $origin) = @_; 2028 my ($path, $origin) = @_;
1443 2029
1444 $path = normalise $path, $origin && $origin->path; 2030 $path = normalise $path, $origin && $origin->path;
1445 2031
2032 cf::lock_wait "map_data:$path";#d#remove
1446 cf::lock_wait "map_find:$path"; 2033 cf::lock_wait "map_find:$path";
1447 2034
1448 $cf::MAP{$path} || do { 2035 $cf::MAP{$path} || do {
2036 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1449 my $guard = cf::lock_acquire "map_find:$path"; 2037 my $guard2 = cf::lock_acquire "map_find:$path";
2038
1450 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1451 or return; 2040 or return;
1452 2041
1453 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1454 2043
1455 $map->load_header 2044 $map->load_header
1456 or return; 2045 or return;
1457 2046
1458 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1460 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1461 $map->reset; 2052 $map->reset;
1462 undef $guard;
1463 return find $path; 2053 return find $path;
1464 } 2054 }
1465 2055
1466 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1467 } 2057 }
1474 my ($self) = @_; 2064 my ($self) = @_;
1475 2065
1476 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
1477 2067
1478 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1479 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1480 2072
2073 return unless $self->valid;
1481 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1482 2075
1483 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1484 2077
1485 $self->alloc; 2078 $self->alloc;
1486 2079
1487 $self->pre_load; 2080 $self->pre_load;
1488 Coro::cede; 2081 cf::cede_to_tick;
1489 2082
1490 $self->_load_objects ($self->{load_path}, 1) 2083 my $f = new_from_file cf::object::thawer $self->{load_path};
2084 $f->skip_block;
2085 $self->_load_objects ($f)
1491 or return; 2086 or return;
1492 2087
1493 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1495 2090
1496 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1497 utf8::encode $uniq; 2092 utf8::encode $uniq;
1498 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1499 $self->clear_unique_items; 2095 $self->clear_unique_items;
1500 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1501 } 2099 }
1502 } 2100 }
1503 2101
1504 Coro::cede; 2102 $f->resolve_delayed_derefs;
2103
2104 cf::cede_to_tick;
1505 # now do the right thing for maps 2105 # now do the right thing for maps
1506 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1507 Coro::cede;
1508
1509 unless ($self->{deny_activate}) {
1510 $self->decay_objects;
1511 $self->fix_auto_apply;
1512 $self->update_buttons;
1513 Coro::cede;
1514 $self->set_darkness_map;
1515 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1516 unless $self->difficulty; 2108 unless $self->difficulty;
1517 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($self->{deny_activate}) {
2112 $self->decay_objects;
2113 $self->fix_auto_apply;
2114 $self->update_buttons;
2115 cf::cede_to_tick;
2116 $self->set_darkness_map;
2117 cf::cede_to_tick;
1518 $self->activate; 2118 $self->activate;
1519 Coro::cede; 2119 }
2120
2121 $self->{last_save} = $cf::RUNTIME;
2122 $self->last_access ($cf::RUNTIME);
2123
2124 $self->in_memory (cf::MAP_ACTIVE);
1520 } 2125 }
1521 2126
1522 $self->post_load; 2127 $self->post_load;
1523 Coro::cede;
1524
1525 $self->in_memory (cf::MAP_IN_MEMORY);
1526} 2128}
1527 2129
1528sub customise_for { 2130sub customise_for {
1529 my ($self, $ob) = @_; 2131 my ($self, $ob) = @_;
1530 2132
1531 return find "~" . $ob->name . "/" . $self->{path} 2133 return find "~" . $ob->name . "/" . $self->{path}
1532 if $self->per_player; 2134 if $self->per_player;
1533 2135
2136# return find "?party/" . $ob->name . "/" . $self->{path}
2137# if $self->per_party;
2138
1534 $self 2139 $self
1535} 2140}
1536 2141
1537# find and load all maps in the 3x3 area around a map 2142# find and load all maps in the 3x3 area around a map
1538sub load_diag { 2143sub load_neighbours {
1539 my ($map) = @_; 2144 my ($map) = @_;
1540 2145
1541 my @diag; # diagonal neighbours 2146 my @neigh; # diagonal neighbours
1542 2147
1543 for (0 .. 3) { 2148 for (0 .. 3) {
1544 my $neigh = $map->tile_path ($_) 2149 my $neigh = $map->tile_path ($_)
1545 or next; 2150 or next;
1546 $neigh = find $neigh, $map 2151 $neigh = find $neigh, $map
1547 or next; 2152 or next;
1548 $neigh->load; 2153 $neigh->load;
1549 2154
2155 push @neigh,
1550 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2156 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1551 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2157 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1552 } 2158 }
1553 2159
1554 for (@diag) { 2160 for (grep defined $_->[0], @neigh) {
2161 my ($path, $origin) = @$_;
1555 my $neigh = find @$_ 2162 my $neigh = find $path, $origin
1556 or next; 2163 or next;
1557 $neigh->load; 2164 $neigh->load;
1558 } 2165 }
1559} 2166}
1560 2167
1565} 2172}
1566 2173
1567sub do_load_sync { 2174sub do_load_sync {
1568 my ($map) = @_; 2175 my ($map) = @_;
1569 2176
2177 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2178 if $Coro::current == $Coro::main;
2179
1570 cf::sync_job { $map->load }; 2180 cf::sync_job { $map->load };
1571} 2181}
1572 2182
1573our %MAP_PREFETCH; 2183our %MAP_PREFETCH;
1574our $MAP_PREFETCHER = undef; 2184our $MAP_PREFETCHER = undef;
1575 2185
1576sub find_async { 2186sub find_async {
1577 my ($path, $origin) = @_; 2187 my ($path, $origin, $load) = @_;
1578 2188
1579 $path = normalise $path, $origin && $origin->{path}; 2189 $path = normalise $path, $origin && $origin->{path};
1580 2190
1581 if (my $map = $cf::MAP{$path}) { 2191 if (my $map = $cf::MAP{$path}) {
1582 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2192 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1583 } 2193 }
1584 2194
1585 undef $MAP_PREFETCH{$path}; 2195 $MAP_PREFETCH{$path} |= $load;
2196
1586 $MAP_PREFETCHER ||= cf::async { 2197 $MAP_PREFETCHER ||= cf::async {
2198 $Coro::current->{desc} = "map prefetcher";
2199
1587 while (%MAP_PREFETCH) { 2200 while (%MAP_PREFETCH) {
1588 for my $path (keys %MAP_PREFETCH) { 2201 while (my ($k, $v) = each %MAP_PREFETCH) {
1589 my $map = find $path 2202 if (my $map = find $k) {
1590 or next;
1591 $map->load; 2203 $map->load if $v;
2204 }
1592 2205
1593 delete $MAP_PREFETCH{$path}; 2206 delete $MAP_PREFETCH{$k};
1594 } 2207 }
1595 } 2208 }
1596 undef $MAP_PREFETCHER; 2209 undef $MAP_PREFETCHER;
1597 }; 2210 };
1598 $MAP_PREFETCHER->prio (6); 2211 $MAP_PREFETCHER->prio (6);
1601} 2214}
1602 2215
1603sub save { 2216sub save {
1604 my ($self) = @_; 2217 my ($self) = @_;
1605 2218
1606 my $lock = cf::lock_acquire "map_data:" . $self->path; 2219 my $lock = cf::lock_acquire "map_data:$self->{path}";
1607 2220
1608 $self->{last_save} = $cf::RUNTIME; 2221 $self->{last_save} = $cf::RUNTIME;
1609 2222
1610 return unless $self->dirty; 2223 return unless $self->dirty;
1611 2224
1617 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1618 2231
1619 local $self->{last_access} = $self->last_access;#d# 2232 local $self->{last_access} = $self->last_access;#d#
1620 2233
1621 cf::async { 2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
1622 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
1623 }; 2237 };
2238
2239 cf::get_slot 0.02;
1624 2240
1625 if ($uniq) { 2241 if ($uniq) {
1626 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1627 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1628 } else { 2244 } else {
1634 my ($self) = @_; 2250 my ($self) = @_;
1635 2251
1636 # save first because save cedes 2252 # save first because save cedes
1637 $self->save; 2253 $self->save;
1638 2254
1639 my $lock = cf::lock_acquire "map_data:" . $self->path; 2255 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 2256
1641 return if $self->players; 2257 return if $self->players;
1642 return if $self->in_memory != cf::MAP_IN_MEMORY; 2258 return if $self->in_memory != cf::MAP_ACTIVE;
1643 return if $self->{deny_save}; 2259 return if $self->{deny_save};
1644 2260
2261 $self->in_memory (cf::MAP_SWAPPED);
2262
2263 $self->deactivate;
2264 $_->clear_links_to ($self) for values %cf::MAP;
1645 $self->clear; 2265 $self->clear;
1646 $self->in_memory (cf::MAP_SWAPPED);
1647} 2266}
1648 2267
1649sub reset_at { 2268sub reset_at {
1650 my ($self) = @_; 2269 my ($self) = @_;
1651 2270
1652 # TODO: safety, remove and allow resettable per-player maps 2271 # TODO: safety, remove and allow resettable per-player maps
1653 return 1e99 if $self->isa ("ext::map_per_player");#d#
1654 return 1e99 if $self->{deny_reset}; 2272 return 1e99 if $self->{deny_reset};
1655 2273
1656 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2274 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2275 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658 2276
1669 my ($self) = @_; 2287 my ($self) = @_;
1670 2288
1671 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
1672 2290
1673 return if $self->players; 2291 return if $self->players;
1674 return if $self->isa ("ext::map_per_player");#d#
1675 2292
1676 warn "resetting map ", $self->path;#d# 2293 warn "resetting map ", $self->path;
1677 2294
1678 $self->in_memory (cf::MAP_SWAPPED); 2295 $self->in_memory (cf::MAP_SWAPPED);
1679 2296
1680 # need to save uniques path 2297 # need to save uniques path
1681 unless ($self->{deny_save}) { 2298 unless ($self->{deny_save}) {
1685 if $uniq; 2302 if $uniq;
1686 } 2303 }
1687 2304
1688 delete $cf::MAP{$self->path}; 2305 delete $cf::MAP{$self->path};
1689 2306
2307 $self->deactivate;
2308 $_->clear_links_to ($self) for values %cf::MAP;
1690 $self->clear; 2309 $self->clear;
1691
1692 $_->clear_links_to ($self) for values %cf::MAP;
1693 2310
1694 $self->unlink_save; 2311 $self->unlink_save;
1695 $self->destroy; 2312 $self->destroy;
1696} 2313}
1697 2314
1698my $nuke_counter = "aaaa"; 2315my $nuke_counter = "aaaa";
1699 2316
1700sub nuke { 2317sub nuke {
1701 my ($self) = @_; 2318 my ($self) = @_;
1702 2319
2320 {
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
1703 delete $cf::MAP{$self->path}; 2323 delete $cf::MAP{$self->path};
1704 2324
1705 $self->unlink_save; 2325 $self->unlink_save;
1706 2326
1707 bless $self, "cf::map"; 2327 bless $self, "cf::map";
1708 delete $self->{deny_reset}; 2328 delete $self->{deny_reset};
1709 $self->{deny_save} = 1; 2329 $self->{deny_save} = 1;
1710 $self->reset_timeout (1); 2330 $self->reset_timeout (1);
1711 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2331 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712 2332
1713 $cf::MAP{$self->path} = $self; 2333 $cf::MAP{$self->path} = $self;
2334 }
1714 2335
1715 $self->reset; # polite request, might not happen 2336 $self->reset; # polite request, might not happen
2337}
2338
2339=item $maps = cf::map::tmp_maps
2340
2341Returns an arrayref with all map paths of currently instantiated and saved
2342maps. May block.
2343
2344=cut
2345
2346sub tmp_maps() {
2347 [
2348 map {
2349 utf8::decode $_;
2350 /\.map$/
2351 ? normalise $_
2352 : ()
2353 } @{ aio_readdir $TMPDIR or [] }
2354 ]
2355}
2356
2357=item $maps = cf::map::random_maps
2358
2359Returns an arrayref with all map paths of currently instantiated and saved
2360random maps. May block.
2361
2362=cut
2363
2364sub random_maps() {
2365 [
2366 map {
2367 utf8::decode $_;
2368 /\.map$/
2369 ? normalise "?random/$_"
2370 : ()
2371 } @{ aio_readdir $RANDOMDIR or [] }
2372 ]
1716} 2373}
1717 2374
1718=item cf::map::unique_maps 2375=item cf::map::unique_maps
1719 2376
1720Returns an arrayref of paths of all shared maps that have 2377Returns an arrayref of paths of all shared maps that have
1721instantiated unique items. May block. 2378instantiated unique items. May block.
1722 2379
1723=cut 2380=cut
1724 2381
1725sub unique_maps() { 2382sub unique_maps() {
1726 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2383 [
1727 or return; 2384 map {
1728
1729 my @paths;
1730
1731 for (@$files) {
1732 utf8::decode $_; 2385 utf8::decode $_;
1733 next if /\.pst$/; 2386 s/\.map$//; # TODO future compatibility hack
1734 next unless /^$PATH_SEP/o; 2387 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1735 2388 ? ()
1736 push @paths, cf::map::normalise $_; 2389 : normalise $_
2390 } @{ aio_readdir $UNIQUEDIR or [] }
1737 } 2391 ]
1738
1739 \@paths
1740} 2392}
1741
1742package cf;
1743 2393
1744=back 2394=back
1745 2395
1746=head3 cf::object 2396=head3 cf::object
1747 2397
1751 2401
1752=over 4 2402=over 4
1753 2403
1754=item $ob->inv_recursive 2404=item $ob->inv_recursive
1755 2405
1756Returns the inventory of the object _and_ their inventories, recursively. 2406Returns the inventory of the object I<and> their inventories, recursively,
2407but I<not> the object itself.
1757 2408
1758=cut 2409=cut
1759 2410
1760sub inv_recursive_; 2411sub inv_recursive_;
1761sub inv_recursive_ { 2412sub inv_recursive_ {
1764 2415
1765sub inv_recursive { 2416sub inv_recursive {
1766 inv_recursive_ inv $_[0] 2417 inv_recursive_ inv $_[0]
1767} 2418}
1768 2419
2420=item $ref = $ob->ref
2421
2422Creates and returns a persistent reference to an object that can be stored as a string.
2423
2424=item $ob = cf::object::deref ($refstring)
2425
2426returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2427even if the object actually exists. May block.
2428
2429=cut
2430
2431sub deref {
2432 my ($ref) = @_;
2433
2434 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2435 my ($uuid, $name) = ($1, $2);
2436 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2437 or return;
2438 $pl->ob->uuid eq $uuid
2439 or return;
2440
2441 $pl->ob
2442 } else {
2443 warn "$ref: cannot resolve object reference\n";
2444 undef
2445 }
2446}
2447
1769package cf; 2448package cf;
1770 2449
1771=back 2450=back
1772 2451
1773=head3 cf::object::player 2452=head3 cf::object::player
1779Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2458Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1780can be C<undef>. Does the right thing when the player is currently in a 2459can be C<undef>. Does the right thing when the player is currently in a
1781dialogue with the given NPC character. 2460dialogue with the given NPC character.
1782 2461
1783=cut 2462=cut
2463
2464our $SAY_CHANNEL = {
2465 id => "say",
2466 title => "Map",
2467 reply => "say ",
2468 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2469};
2470
2471our $CHAT_CHANNEL = {
2472 id => "chat",
2473 title => "Chat",
2474 reply => "chat ",
2475 tooltip => "Player chat and shouts, global to the server.",
2476};
1784 2477
1785# rough implementation of a future "reply" method that works 2478# rough implementation of a future "reply" method that works
1786# with dialog boxes. 2479# with dialog boxes.
1787#TODO: the first argument must go, split into a $npc->reply_to ( method 2480#TODO: the first argument must go, split into a $npc->reply_to ( method
1788sub cf::object::player::reply($$$;$) { 2481sub cf::object::player::reply($$$;$) {
1790 2483
1791 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2484 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792 2485
1793 if ($self->{record_replies}) { 2486 if ($self->{record_replies}) {
1794 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2487 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2488
1795 } else { 2489 } else {
2490 my $pl = $self->contr;
2491
2492 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2493 my $dialog = $pl->{npc_dialog};
2494 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2495
2496 } else {
1796 $msg = $npc->name . " says: $msg" if $npc; 2497 $msg = $npc->name . " says: $msg" if $npc;
1797 $self->message ($msg, $flags); 2498 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2499 }
1798 } 2500 }
2501}
2502
2503=item $object->send_msg ($channel, $msg, $color, [extra...])
2504
2505=cut
2506
2507sub cf::object::send_msg {
2508 my $pl = shift->contr
2509 or return;
2510 $pl->send_msg (@_);
1799} 2511}
1800 2512
1801=item $player_object->may ("access") 2513=item $player_object->may ("access")
1802 2514
1803Returns wether the given player is authorized to access resource "access" 2515Returns wether the given player is authorized to access resource "access"
1850 $self->deactivate_recursive; 2562 $self->deactivate_recursive;
1851 2563
1852 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2564 return if UNIVERSAL::isa $self->map, "ext::map_link";
1853 2565
1854 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2566 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855 if $self->map; 2567 if $self->map && $self->map->{path} ne "{link}";
1856 2568
1857 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2569 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1858} 2570}
1859 2571
1860sub cf::object::player::leave_link { 2572sub cf::object::player::leave_link {
1861 my ($self, $map, $x, $y) = @_; 2573 my ($self, $map, $x, $y) = @_;
2574
2575 return unless $self->contr->active;
1862 2576
1863 my $link_pos = delete $self->{_link_pos}; 2577 my $link_pos = delete $self->{_link_pos};
1864 2578
1865 unless ($map) { 2579 unless ($map) {
1866 # restore original map position 2580 # restore original map position
1880 # use -1 or undef as default coordinates, not 0, 0 2594 # use -1 or undef as default coordinates, not 0, 0
1881 ($x, $y) = ($map->enter_x, $map->enter_y) 2595 ($x, $y) = ($map->enter_x, $map->enter_y)
1882 if $x <=0 && $y <= 0; 2596 if $x <=0 && $y <= 0;
1883 2597
1884 $map->load; 2598 $map->load;
1885 $map->load_diag; 2599 $map->load_neighbours;
1886 2600
1887 return unless $self->contr->active; 2601 return unless $self->contr->active;
1888 $self->activate_recursive; 2602 $self->activate_recursive;
1889 2603
1890 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891 $self->enter_map ($map, $x, $y); 2605 $self->enter_map ($map, $x, $y);
1892} 2606}
1893 2607
1894cf::player->attach ( 2608=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895 on_logout => sub {
1896 my ($pl) = @_;
1897 2609
1898 # abort map switching before logout 2610Moves the player to the given map-path and coordinates by first freezing
1899 if ($pl->ob->{_link_pos}) { 2611her, loading and preparing them map, calling the provided $check callback
1900 cf::sync_job { 2612that has to return the map if sucecssful, and then unfreezes the player on
1901 $pl->ob->leave_link 2613the new (success) or old (failed) map position. In either case, $done will
1902 }; 2614be called at the end of this process.
1903 }
1904 },
1905 on_login => sub {
1906 my ($pl) = @_;
1907 2615
1908 # try to abort aborted map switching on player login :)
1909 # should happen only on crashes
1910 if ($pl->ob->{_link_pos}) {
1911 $pl->ob->enter_link;
1912 (async {
1913 $pl->ob->reply (undef,
1914 "There was an internal problem at your last logout, "
1915 . "the server will try to bring you to your intended destination in a second.",
1916 cf::NDI_RED);
1917 # we need this sleep as the login has a concurrent enter_exit running
1918 # and this sleep increases chances of the player not ending up in scorn
1919 Coro::Timer::sleep 1;
1920 $pl->ob->leave_link;
1921 })->prio (2);
1922 }
1923 },
1924);
1925
1926=item $player_object->goto ($path, $x, $y)
1927
1928=cut 2616=cut
2617
2618our $GOTOGEN;
1929 2619
1930sub cf::object::player::goto { 2620sub cf::object::player::goto {
1931 my ($self, $path, $x, $y) = @_; 2621 my ($self, $path, $x, $y, $check, $done) = @_;
2622
2623 # do generation counting so two concurrent goto's will be executed in-order
2624 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932 2625
1933 $self->enter_link; 2626 $self->enter_link;
1934 2627
1935 (async { 2628 (async {
2629 $Coro::current->{desc} = "player::goto $path $x $y";
2630
2631 # *tag paths override both path and x|y
2632 if ($path =~ /^\*(.*)$/) {
2633 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2634 my $ob = $obs[rand @obs];
2635
2636 # see if we actually can go there
2637 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2638 $ob = $obs[rand @obs];
2639 } else {
2640 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2641 }
2642 # else put us there anyways for now #d#
2643
2644 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2645 } else {
2646 ($path, $x, $y) = (undef, undef, undef);
2647 }
2648 }
2649
1936 my $map = eval { 2650 my $map = eval {
1937 my $map = cf::map::find $path; 2651 my $map = defined $path ? cf::map::find $path : undef;
2652
2653 if ($map) {
1938 $map = $map->customise_for ($self) if $map; 2654 $map = $map->customise_for ($self);
2655 $map = $check->($map) if $check && $map;
2656 } else {
2657 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2658 }
2659
1939 $map 2660 $map
2661 };
2662
2663 if ($@) {
2664 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2665 LOG llevError | logBacktrace, Carp::longmess $@;
1940 } or 2666 }
1941 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942 2667
2668 if ($gen == $self->{_goto_generation}) {
2669 delete $self->{_goto_generation};
1943 $self->leave_link ($map, $x, $y); 2670 $self->leave_link ($map, $x, $y);
2671 }
2672
2673 $done->() if $done;
1944 })->prio (1); 2674 })->prio (1);
1945} 2675}
1946 2676
1947=item $player_object->enter_exit ($exit_object) 2677=item $player_object->enter_exit ($exit_object)
1948 2678
1985 $rmp->{origin_y} = $exit->y; 2715 $rmp->{origin_y} = $exit->y;
1986 } 2716 }
1987 2717
1988 $rmp->{random_seed} ||= $exit->random_seed; 2718 $rmp->{random_seed} ||= $exit->random_seed;
1989 2719
1990 my $data = cf::to_json $rmp; 2720 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1991 my $md5 = Digest::MD5::md5_hex $data; 2721 my $md5 = Digest::MD5::md5_hex $data;
1992 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2722 my $meta = "$RANDOMDIR/$md5.meta";
1993 2723
1994 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2724 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995 aio_write $fh, 0, (length $data), $data, 0; 2725 aio_write $fh, 0, (length $data), $data, 0;
1996 undef $fh; 2726 undef $fh;
1997 aio_rename "$meta~", $meta; 2727 aio_rename "$meta~", $meta;
2017 my $hp = $exit->stats->hp; 2747 my $hp = $exit->stats->hp;
2018 my $sp = $exit->stats->sp; 2748 my $sp = $exit->stats->sp;
2019 2749
2020 $self->enter_link; 2750 $self->enter_link;
2021 2751
2752 # if exit is damned, update players death & WoR home-position
2753 $self->contr->savebed ($slaying, $hp, $sp)
2754 if $exit->flag (FLAG_DAMNED);
2755
2022 (async { 2756 (async {
2757 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2758
2023 $self->deactivate_recursive; # just to be sure 2759 $self->deactivate_recursive; # just to be sure
2024 unless (eval { 2760 unless (eval {
2025 $self->goto ($slaying, $hp, $sp); 2761 $self->goto ($slaying, $hp, $sp);
2026 2762
2027 1; 2763 1;
2053 2789
2054 utf8::encode $text; 2790 utf8::encode $text;
2055 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2791 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056} 2792}
2057 2793
2794=item $client->send_msg ($channel, $msg, $color, [extra...])
2795
2796Send a drawinfo or msg packet to the client, formatting the msg for the
2797client if neccessary. C<$type> should be a string identifying the type of
2798the message, with C<log> being the default. If C<$color> is negative, suppress
2799the message unless the client supports the msg packet.
2800
2801=cut
2802
2803# non-persistent channels (usually the info channel)
2804our %CHANNEL = (
2805 "c/identify" => {
2806 id => "infobox",
2807 title => "Identify",
2808 reply => undef,
2809 tooltip => "Items recently identified",
2810 },
2811 "c/examine" => {
2812 id => "infobox",
2813 title => "Examine",
2814 reply => undef,
2815 tooltip => "Signs and other items you examined",
2816 },
2817 "c/book" => {
2818 id => "infobox",
2819 title => "Book",
2820 reply => undef,
2821 tooltip => "The contents of a note or book",
2822 },
2823 "c/lookat" => {
2824 id => "infobox",
2825 title => "Look",
2826 reply => undef,
2827 tooltip => "What you saw there",
2828 },
2829 "c/who" => {
2830 id => "infobox",
2831 title => "Players",
2832 reply => undef,
2833 tooltip => "Shows players who are currently online",
2834 },
2835 "c/body" => {
2836 id => "infobox",
2837 title => "Body Parts",
2838 reply => undef,
2839 tooltip => "Shows which body parts you posess and are available",
2840 },
2841 "c/uptime" => {
2842 id => "infobox",
2843 title => "Uptime",
2844 reply => undef,
2845 tooltip => "How long the server has been running since last restart",
2846 },
2847 "c/mapinfo" => {
2848 id => "infobox",
2849 title => "Map Info",
2850 reply => undef,
2851 tooltip => "Information related to the maps",
2852 },
2853 "c/party" => {
2854 id => "party",
2855 title => "Party",
2856 reply => "gsay ",
2857 tooltip => "Messages and chat related to your party",
2858 },
2859);
2860
2861sub cf::client::send_msg {
2862 my ($self, $channel, $msg, $color, @extra) = @_;
2863
2864 $msg = $self->pl->expand_cfpod ($msg);
2865
2866 $color &= cf::NDI_CLIENT_MASK; # just in case...
2867
2868 # check predefined channels, for the benefit of C
2869 if ($CHANNEL{$channel}) {
2870 $channel = $CHANNEL{$channel};
2871
2872 $self->ext_msg (channel_info => $channel)
2873 if $self->can_msg;
2874
2875 $channel = $channel->{id};
2876
2877 } elsif (ref $channel) {
2878 # send meta info to client, if not yet sent
2879 unless (exists $self->{channel}{$channel->{id}}) {
2880 $self->{channel}{$channel->{id}} = $channel;
2881 $self->ext_msg (channel_info => $channel)
2882 if $self->can_msg;
2883 }
2884
2885 $channel = $channel->{id};
2886 }
2887
2888 return unless @extra || length $msg;
2889
2890 if ($self->can_msg) {
2891 # default colour, mask it out
2892 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2893 if $color & cf::NDI_DEF;
2894
2895 $self->send_packet ("msg " . $self->{json_coder}->encode (
2896 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2897 } else {
2898 if ($color >= 0) {
2899 # replace some tags by gcfclient-compatible ones
2900 for ($msg) {
2901 1 while
2902 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2903 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2904 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2905 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2906 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2907 }
2908
2909 $color &= cf::NDI_COLOR_MASK;
2910
2911 utf8::encode $msg;
2912
2913 if (0 && $msg =~ /\[/) {
2914 # COMMAND/INFO
2915 $self->send_packet ("drawextinfo $color 10 8 $msg")
2916 } else {
2917 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2918 $self->send_packet ("drawinfo $color $msg")
2919 }
2920 }
2921 }
2922}
2923
2058=item $client->ext_event ($type, %msg) 2924=item $client->ext_msg ($type, @msg)
2059 2925
2060Sends an exti event to the client. 2926Sends an ext event to the client.
2061 2927
2062=cut 2928=cut
2063 2929
2064sub cf::client::ext_event($$%) { 2930sub cf::client::ext_msg($$@) {
2065 my ($self, $type, %msg) = @_; 2931 my ($self, $type, @msg) = @_;
2066 2932
2933 if ($self->extcmd == 2) {
2934 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2935 } elsif ($self->extcmd == 1) { # TODO: remove
2067 $msg{msgtype} = "event_$type"; 2936 push @msg, msgtype => "event_$type";
2068 $self->send_packet ("ext " . cf::to_json \%msg); 2937 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2938 }
2939}
2940
2941=item $client->ext_reply ($msgid, @msg)
2942
2943Sends an ext reply to the client.
2944
2945=cut
2946
2947sub cf::client::ext_reply($$@) {
2948 my ($self, $id, @msg) = @_;
2949
2950 if ($self->extcmd == 2) {
2951 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2952 } elsif ($self->extcmd == 1) {
2953 #TODO: version 1, remove
2954 unshift @msg, msgtype => "reply", msgid => $id;
2955 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2956 }
2069} 2957}
2070 2958
2071=item $success = $client->query ($flags, "text", \&cb) 2959=item $success = $client->query ($flags, "text", \&cb)
2072 2960
2073Queues a query to the client, calling the given callback with 2961Queues a query to the client, calling the given callback with
2074the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2962the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2963C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076 2964
2077Queries can fail, so check the return code. Or don't, as queries will become 2965Queries can fail, so check the return code. Or don't, as queries will
2078reliable at some point in the future. 2966become reliable at some point in the future.
2079 2967
2080=cut 2968=cut
2081 2969
2082sub cf::client::query { 2970sub cf::client::query {
2083 my ($self, $flags, $text, $cb) = @_; 2971 my ($self, $flags, $text, $cb) = @_;
2091 utf8::encode $text; 2979 utf8::encode $text;
2092 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2980 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093 2981
2094 $self->send_packet ($self->{query_queue}[0][0]) 2982 $self->send_packet ($self->{query_queue}[0][0])
2095 if @{ $self->{query_queue} } == 1; 2983 if @{ $self->{query_queue} } == 1;
2984
2985 1
2096} 2986}
2097 2987
2098cf::client->attach ( 2988cf::client->attach (
2989 on_connect => sub {
2990 my ($ns) = @_;
2991
2992 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2993 },
2099 on_reply => sub { 2994 on_reply => sub {
2100 my ($ns, $msg) = @_; 2995 my ($ns, $msg) = @_;
2101 2996
2102 # this weird shuffling is so that direct followup queries 2997 # this weird shuffling is so that direct followup queries
2103 # get handled first 2998 # get handled first
2115 } else { 3010 } else {
2116 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3011 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117 } 3012 }
2118 } 3013 }
2119 }, 3014 },
3015 on_exticmd => sub {
3016 my ($ns, $buf) = @_;
3017
3018 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3019
3020 if (ref $msg) {
3021 my ($type, $reply, @payload) =
3022 "ARRAY" eq ref $msg
3023 ? @$msg
3024 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3025
3026 my @reply;
3027
3028 if (my $cb = $EXTICMD{$type}) {
3029 @reply = $cb->($ns, @payload);
3030 }
3031
3032 $ns->ext_reply ($reply, @reply)
3033 if $reply;
3034
3035 } else {
3036 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3037 }
3038
3039 cf::override;
3040 },
2120); 3041);
2121 3042
2122=item $client->async (\&cb) 3043=item $client->async (\&cb)
2123 3044
2124Create a new coroutine, running the specified callback. The coroutine will 3045Create a new coroutine, running the specified callback. The coroutine will
2165our $safe = new Safe "safe"; 3086our $safe = new Safe "safe";
2166our $safe_hole = new Safe::Hole; 3087our $safe_hole = new Safe::Hole;
2167 3088
2168$SIG{FPE} = 'IGNORE'; 3089$SIG{FPE} = 'IGNORE';
2169 3090
2170$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3091$safe->permit_only (Opcode::opset qw(
3092 :base_core :base_mem :base_orig :base_math
3093 grepstart grepwhile mapstart mapwhile
3094 sort time
3095));
2171 3096
2172# here we export the classes and methods available to script code 3097# here we export the classes and methods available to script code
2173 3098
2174=pod 3099=pod
2175 3100
2176The following functions and methods are available within a safe environment: 3101The following functions and methods are available within a safe environment:
2177 3102
2178 cf::object contr pay_amount pay_player map 3103 cf::object
3104 contr pay_amount pay_player map x y force_find force_add destroy
3105 insert remove name archname title slaying race decrease split
3106
2179 cf::object::player player 3107 cf::object::player
2180 cf::player peaceful 3108 player
2181 cf::map trigger 3109
3110 cf::player
3111 peaceful
3112
3113 cf::map
3114 trigger
2182 3115
2183=cut 3116=cut
2184 3117
2185for ( 3118for (
2186 ["cf::object" => qw(contr pay_amount pay_player map)], 3119 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3120 insert remove inv name archname title slaying race
3121 decrease split destroy)],
2187 ["cf::object::player" => qw(player)], 3122 ["cf::object::player" => qw(player)],
2188 ["cf::player" => qw(peaceful)], 3123 ["cf::player" => qw(peaceful)],
2189 ["cf::map" => qw(trigger)], 3124 ["cf::map" => qw(trigger)],
2190) { 3125) {
2191 no strict 'refs'; 3126 no strict 'refs';
2262=back 3197=back
2263 3198
2264=cut 3199=cut
2265 3200
2266############################################################################# 3201#############################################################################
2267
2268=head2 EXTENSION DATABASE SUPPORT
2269
2270Crossfire maintains a very simple database for extension use. It can
2271currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272convert to/from binary).
2273
2274The parameter C<$family> should best start with the name of the extension
2275using it, it should be unique.
2276
2277=over 4
2278
2279=item $value = cf::db_get $family => $key
2280
2281Returns a single value from the database.
2282
2283=item cf::db_put $family => $key => $value
2284
2285Stores the given C<$value> in the family.
2286
2287=cut
2288
2289our $DB;
2290
2291sub db_init {
2292 unless ($DB) {
2293 $DB = BDB::db_create $DB_ENV;
2294
2295 cf::sync_job {
2296 eval {
2297 $DB->set_flags (BDB::CHKSUM);
2298
2299 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301 cf::cleanup "db_open(db): $!" if $!;
2302 };
2303 cf::cleanup "db_open(db): $@" if $@;
2304 };
2305 }
2306}
2307
2308sub db_get($$) {
2309 my $key = "$_[0]/$_[1]";
2310
2311 cf::sync_job {
2312 BDB::db_get $DB, undef, $key, my $data;
2313
2314 $! ? ()
2315 : $data
2316 }
2317}
2318
2319sub db_put($$$) {
2320 BDB::dbreq_pri 4;
2321 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322}
2323
2324=item cf::cache $id => [$paths...], $processversion => $process
2325
2326Generic caching function that returns the value of the resource $id,
2327caching and regenerating as required.
2328
2329This function can block.
2330
2331=cut
2332
2333sub cache {
2334 my ($id, $src, $processversion, $process) = @_;
2335
2336 my $meta =
2337 join "\x00",
2338 $processversion,
2339 map {
2340 aio_stat $_
2341 and Carp::croak "$_: $!";
2342
2343 ($_, (stat _)[7,9])
2344 } @$src;
2345
2346 my $dbmeta = db_get cache => "$id/meta";
2347 if ($dbmeta ne $meta) {
2348 # changed, we may need to process
2349
2350 my @data;
2351 my $md5;
2352
2353 for (0 .. $#$src) {
2354 0 <= aio_load $src->[$_], $data[$_]
2355 or Carp::croak "$src->[$_]: $!";
2356 }
2357
2358 # if processing is expensive, check
2359 # checksum first
2360 if (1) {
2361 $md5 =
2362 join "\x00",
2363 $processversion,
2364 map {
2365 Coro::cede;
2366 ($src->[$_], Digest::MD5::md5_hex $data[$_])
2367 } 0.. $#$src;
2368
2369
2370 my $dbmd5 = db_get cache => "$id/md5";
2371 if ($dbmd5 eq $md5) {
2372 db_put cache => "$id/meta", $meta;
2373
2374 return db_get cache => "$id/data";
2375 }
2376 }
2377
2378 my $data = $process->(\@data);
2379
2380 db_put cache => "$id/data", $data;
2381 db_put cache => "$id/md5" , $md5;
2382 db_put cache => "$id/meta", $meta;
2383
2384 return $data;
2385 }
2386
2387 db_get cache => "$id/data"
2388}
2389
2390=item fork_call { }, $args
2391
2392Executes the given code block with the given arguments in a seperate
2393process, returning the results. Everything must be serialisable with
2394Coro::Storable. May, of course, block. Note that the executed sub may
2395never block itself or use any form of Event handling.
2396
2397=cut
2398
2399sub fork_call(&@) {
2400 my ($cb, @args) = @_;
2401
2402# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403# or die "socketpair: $!";
2404 pipe my $fh1, my $fh2
2405 or die "pipe: $!";
2406
2407 if (my $pid = fork) {
2408 close $fh2;
2409
2410 my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411 $res = Coro::Storable::thaw $res;
2412
2413 waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415 die $$res unless "ARRAY" eq ref $res;
2416
2417 return wantarray ? @$res : $res->[-1];
2418 } else {
2419 local $SIG{__WARN__};
2420 eval {
2421 local $SIG{__DIE__};
2422 close $fh1;
2423
2424 my @res = eval { $cb->(@args) };
2425 syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426 };
2427
2428 warn $@ if $@;
2429 _exit 0;
2430 }
2431}
2432
2433
2434
2435#############################################################################
2436# the server's init and main functions 3202# the server's init and main functions
2437 3203
2438sub load_facedata($) { 3204sub load_facedata($) {
2439 my ($path) = @_; 3205 my ($path) = @_;
3206
3207 # HACK to clear player env face cache, we need some signal framework
3208 # for this (global event?)
3209 %ext::player_env::MUSIC_FACE_CACHE = ();
3210
3211 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440 3212
2441 warn "loading facedata from $path\n"; 3213 warn "loading facedata from $path\n";
2442 3214
2443 my $facedata; 3215 my $facedata;
2444 0 < aio_load $path, $facedata 3216 0 < aio_load $path, $facedata
2447 $facedata = Coro::Storable::thaw $facedata; 3219 $facedata = Coro::Storable::thaw $facedata;
2448 3220
2449 $facedata->{version} == 2 3221 $facedata->{version} == 2
2450 or cf::cleanup "$path: version mismatch, cannot proceed."; 3222 or cf::cleanup "$path: version mismatch, cannot proceed.";
2451 3223
3224 # patch in the exptable
3225 $facedata->{resource}{"res/exp_table"} = {
3226 type => FT_RSRC,
3227 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3228 };
3229 cf::cede_to_tick;
3230
2452 { 3231 {
2453 my $faces = $facedata->{faceinfo}; 3232 my $faces = $facedata->{faceinfo};
2454 3233
2455 while (my ($face, $info) = each %$faces) { 3234 while (my ($face, $info) = each %$faces) {
2456 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3235 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3236
2457 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3237 cf::face::set_visibility $idx, $info->{visibility};
3238 cf::face::set_magicmap $idx, $info->{magicmap};
2458 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3239 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3240 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460 Coro::cede; 3241
3242 cf::cede_to_tick;
2461 } 3243 }
2462 3244
2463 while (my ($face, $info) = each %$faces) { 3245 while (my ($face, $info) = each %$faces) {
2464 next unless $info->{smooth}; 3246 next unless $info->{smooth};
3247
2465 my $idx = cf::face::find $face 3248 my $idx = cf::face::find $face
2466 or next; 3249 or next;
3250
2467 if (my $smooth = cf::face::find $info->{smooth}) { 3251 if (my $smooth = cf::face::find $info->{smooth}) {
3252 cf::face::set_smooth $idx, $smooth;
2468 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3253 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469 } else { 3254 } else {
2470 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3255 warn "smooth face '$info->{smooth}' not found for face '$face'";
2471 } 3256 }
2472 Coro::cede; 3257
3258 cf::cede_to_tick;
2473 } 3259 }
2474 } 3260 }
2475 3261
2476 { 3262 {
2477 my $anims = $facedata->{animinfo}; 3263 my $anims = $facedata->{animinfo};
2478 3264
2479 while (my ($anim, $info) = each %$anims) { 3265 while (my ($anim, $info) = each %$anims) {
2480 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3266 cf::anim::set $anim, $info->{frames}, $info->{facings};
2481 Coro::cede; 3267 cf::cede_to_tick;
2482 } 3268 }
2483 3269
2484 cf::anim::invalidate_all; # d'oh 3270 cf::anim::invalidate_all; # d'oh
2485 } 3271 }
2486 3272
3273 {
3274 # TODO: for gcfclient pleasure, we should give resources
3275 # that gcfclient doesn't grok a >10000 face index.
3276 my $res = $facedata->{resource};
3277
3278 while (my ($name, $info) = each %$res) {
3279 if (defined $info->{type}) {
3280 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3281 my $data;
3282
3283 if ($info->{type} & 1) {
3284 # prepend meta info
3285
3286 my $meta = $enc->encode ({
3287 name => $name,
3288 %{ $info->{meta} || {} },
3289 });
3290
3291 $data = pack "(w/a*)*", $meta, $info->{data};
3292 } else {
3293 $data = $info->{data};
3294 }
3295
3296 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3297 cf::face::set_type $idx, $info->{type};
3298 } else {
3299 $RESOURCE{$name} = $info;
3300 }
3301
3302 cf::cede_to_tick;
3303 }
3304 }
3305
3306 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3307
2487 1 3308 1
2488} 3309}
2489 3310
3311cf::global->attach (on_resource_update => sub {
3312 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3313 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3314
3315 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3316 my $sound = $soundconf->{compat}[$_]
3317 or next;
3318
3319 my $face = cf::face::find "sound/$sound->[1]";
3320 cf::sound::set $sound->[0] => $face;
3321 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3322 }
3323
3324 while (my ($k, $v) = each %{$soundconf->{event}}) {
3325 my $face = cf::face::find "sound/$v";
3326 cf::sound::set $k => $face;
3327 }
3328 }
3329});
3330
3331register_exticmd fx_want => sub {
3332 my ($ns, $want) = @_;
3333
3334 while (my ($k, $v) = each %$want) {
3335 $ns->fx_want ($k, $v);
3336 }
3337};
3338
3339sub load_resource_file($) {
3340 my $guard = lock_acquire "load_resource_file";
3341
3342 my $status = load_resource_file_ $_[0];
3343 get_slot 0.1, 100;
3344 cf::arch::commit_load;
3345
3346 $status
3347}
3348
3349sub reload_regions {
3350 # HACK to clear player env face cache, we need some signal framework
3351 # for this (global event?)
3352 %ext::player_env::MUSIC_FACE_CACHE = ();
3353
3354 load_resource_file "$MAPDIR/regions"
3355 or die "unable to load regions file\n";
3356
3357 for (cf::region::list) {
3358 $_->{match} = qr/$_->{match}/
3359 if exists $_->{match};
3360 }
3361}
3362
2490sub reload_facedata { 3363sub reload_facedata {
2491 load_facedata sprintf "%s/facedata", cf::datadir 3364 load_facedata "$DATADIR/facedata"
2492 or die "unable to load facedata\n"; 3365 or die "unable to load facedata\n";
2493} 3366}
2494 3367
2495sub reload_regions {
2496 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497 or die "unable to load regions file\n";
2498}
2499
2500sub reload_archetypes { 3368sub reload_archetypes {
2501 load_resource_file sprintf "%s/archetypes", cf::datadir 3369 load_resource_file "$DATADIR/archetypes"
2502 or die "unable to load archetypes\n"; 3370 or die "unable to load archetypes\n";
2503} 3371}
2504 3372
2505sub reload_treasures { 3373sub reload_treasures {
2506 load_resource_file sprintf "%s/treasures", cf::datadir 3374 load_resource_file "$DATADIR/treasures"
2507 or die "unable to load treasurelists\n"; 3375 or die "unable to load treasurelists\n";
2508} 3376}
2509 3377
2510sub reload_resources { 3378sub reload_resources {
2511 warn "reloading resource files...\n"; 3379 warn "reloading resource files...\n";
2512 3380
2513 reload_regions;
2514 reload_facedata; 3381 reload_facedata;
2515 reload_archetypes; 3382 reload_archetypes;
3383 reload_regions;
2516 reload_treasures; 3384 reload_treasures;
2517 3385
2518 warn "finished reloading resource files\n"; 3386 warn "finished reloading resource files\n";
2519} 3387}
2520 3388
2521sub init { 3389sub init {
3390 my $guard = freeze_mainloop;
3391
2522 reload_resources; 3392 reload_resources;
2523} 3393}
2524 3394
2525sub cfg_load { 3395sub reload_config {
2526 open my $fh, "<:utf8", cf::confdir . "/config" 3396 open my $fh, "<:utf8", "$CONFDIR/config"
2527 or return; 3397 or return;
2528 3398
2529 local $/; 3399 local $/;
2530 *CFG = YAML::Syck::Load <$fh>; 3400 *CFG = YAML::Load <$fh>;
2531 3401
2532 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3402 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2533 3403
2534 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3404 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2535 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3405 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2546sub main { 3416sub main {
2547 # we must not ever block the main coroutine 3417 # we must not ever block the main coroutine
2548 local $Coro::idle = sub { 3418 local $Coro::idle = sub {
2549 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3419 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550 (async { 3420 (async {
2551 Event::one_event; 3421 $Coro::current->{desc} = "IDLE BUG HANDLER";
3422 EV::loop EV::LOOP_ONESHOT;
2552 })->prio (Coro::PRIO_MAX); 3423 })->prio (Coro::PRIO_MAX);
2553 }; 3424 };
2554 3425
2555 cfg_load; 3426 {
3427 my $guard = freeze_mainloop;
3428 reload_config;
2556 db_init; 3429 db_init;
2557 load_extensions; 3430 load_extensions;
2558 3431
2559 $TICK_WATCHER->start; 3432 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3433 evthread_start IO::AIO::poll_fileno;
3434 }
3435
2560 Event::loop; 3436 EV::loop;
2561} 3437}
2562 3438
2563############################################################################# 3439#############################################################################
2564# initialisation and cleanup 3440# initialisation and cleanup
2565 3441
2566# install some emergency cleanup handlers 3442# install some emergency cleanup handlers
2567BEGIN { 3443BEGIN {
3444 our %SIGWATCHER = ();
2568 for my $signal (qw(INT HUP TERM)) { 3445 for my $signal (qw(INT HUP TERM)) {
2569 Event->signal ( 3446 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2570 reentrant => 0,
2571 data => WF_AUTOCANCEL,
2572 signal => $signal,
2573 prio => 0,
2574 cb => sub {
2575 cf::cleanup "SIG$signal"; 3447 cf::cleanup "SIG$signal";
2576 },
2577 ); 3448 };
3449 }
3450}
3451
3452sub write_runtime_sync {
3453 my $runtime = "$LOCALDIR/runtime";
3454
3455 # first touch the runtime file to show we are still running:
3456 # the fsync below can take a very very long time.
3457
3458 IO::AIO::aio_utime $runtime, undef, undef;
3459
3460 my $guard = cf::lock_acquire "write_runtime";
3461
3462 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3463 or return;
3464
3465 my $value = $cf::RUNTIME + 90 + 10;
3466 # 10 is the runtime save interval, for a monotonic clock
3467 # 60 allows for the watchdog to kill the server.
3468
3469 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3470 and return;
3471
3472 # always fsync - this file is important
3473 aio_fsync $fh
3474 and return;
3475
3476 # touch it again to show we are up-to-date
3477 aio_utime $fh, undef, undef;
3478
3479 close $fh
3480 or return;
3481
3482 aio_rename "$runtime~", $runtime
3483 and return;
3484
3485 warn "runtime file written.\n";
3486
2578 } 3487 1
3488}
3489
3490our $uuid_lock;
3491our $uuid_skip;
3492
3493sub write_uuid_sync($) {
3494 $uuid_skip ||= $_[0];
3495
3496 return if $uuid_lock;
3497 local $uuid_lock = 1;
3498
3499 my $uuid = "$LOCALDIR/uuid";
3500
3501 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3502 or return;
3503
3504 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3505 $uuid_skip = 0;
3506
3507 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3508 and return;
3509
3510 # always fsync - this file is important
3511 aio_fsync $fh
3512 and return;
3513
3514 close $fh
3515 or return;
3516
3517 aio_rename "$uuid~", $uuid
3518 and return;
3519
3520 warn "uuid file written ($value).\n";
3521
3522 1
3523
3524}
3525
3526sub write_uuid($$) {
3527 my ($skip, $sync) = @_;
3528
3529 $sync ? write_uuid_sync $skip
3530 : async { write_uuid_sync $skip };
2579} 3531}
2580 3532
2581sub emergency_save() { 3533sub emergency_save() {
2582 my $freeze_guard = cf::freeze_mainloop; 3534 my $freeze_guard = cf::freeze_mainloop;
2583 3535
2589 # and maps saved/destroyed asynchronously. 3541 # and maps saved/destroyed asynchronously.
2590 warn "begin emergency player save\n"; 3542 warn "begin emergency player save\n";
2591 for my $login (keys %cf::PLAYER) { 3543 for my $login (keys %cf::PLAYER) {
2592 my $pl = $cf::PLAYER{$login} or next; 3544 my $pl = $cf::PLAYER{$login} or next;
2593 $pl->valid or next; 3545 $pl->valid or next;
3546 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594 $pl->save; 3547 $pl->save;
2595 } 3548 }
2596 warn "end emergency player save\n"; 3549 warn "end emergency player save\n";
2597 3550
2598 warn "begin emergency map save\n"; 3551 warn "begin emergency map save\n";
2604 warn "end emergency map save\n"; 3557 warn "end emergency map save\n";
2605 3558
2606 warn "begin emergency database checkpoint\n"; 3559 warn "begin emergency database checkpoint\n";
2607 BDB::db_env_txn_checkpoint $DB_ENV; 3560 BDB::db_env_txn_checkpoint $DB_ENV;
2608 warn "end emergency database checkpoint\n"; 3561 warn "end emergency database checkpoint\n";
3562
3563 warn "begin write uuid\n";
3564 write_uuid_sync 1;
3565 warn "end write uuid\n";
2609 }; 3566 };
2610 3567
2611 warn "leave emergency perl save\n"; 3568 warn "leave emergency perl save\n";
2612} 3569}
2613 3570
2628 warn "reloading..."; 3585 warn "reloading...";
2629 3586
2630 warn "entering sync_job"; 3587 warn "entering sync_job";
2631 3588
2632 cf::sync_job { 3589 cf::sync_job {
2633 cf::write_runtime; # external watchdog should not bark 3590 cf::write_runtime_sync; # external watchdog should not bark
2634 cf::emergency_save; 3591 cf::emergency_save;
2635 cf::write_runtime; # external watchdog should not bark 3592 cf::write_runtime_sync; # external watchdog should not bark
2636 3593
2637 warn "syncing database to disk"; 3594 warn "syncing database to disk";
2638 BDB::db_env_txn_checkpoint $DB_ENV; 3595 BDB::db_env_txn_checkpoint $DB_ENV;
2639 3596
2640 # if anything goes wrong in here, we should simply crash as we already saved 3597 # if anything goes wrong in here, we should simply crash as we already saved
2641
2642 warn "cancelling all WF_AUTOCANCEL watchers";
2643 for (Event::all_watchers) {
2644 $_->cancel if $_->data & WF_AUTOCANCEL;
2645 }
2646 3598
2647 warn "flushing outstanding aio requests"; 3599 warn "flushing outstanding aio requests";
2648 for (;;) { 3600 for (;;) {
2649 BDB::flush; 3601 BDB::flush;
2650 IO::AIO::flush; 3602 IO::AIO::flush;
2651 Coro::cede; 3603 Coro::cede_notself;
2652 last unless IO::AIO::nreqs || BDB::nreqs; 3604 last unless IO::AIO::nreqs || BDB::nreqs;
2653 warn "iterate..."; 3605 warn "iterate...";
2654 } 3606 }
2655 3607
2656 ++$RELOAD; 3608 ++$RELOAD;
2660 %EXT_CORO = (); 3612 %EXT_CORO = ();
2661 3613
2662 warn "removing commands"; 3614 warn "removing commands";
2663 %COMMAND = (); 3615 %COMMAND = ();
2664 3616
2665 warn "removing ext commands"; 3617 warn "removing ext/exti commands";
2666 %EXTCMD = (); 3618 %EXTCMD = ();
3619 %EXTICMD = ();
2667 3620
2668 warn "unloading/nuking all extensions"; 3621 warn "unloading/nuking all extensions";
2669 for my $pkg (@EXTS) { 3622 for my $pkg (@EXTS) {
2670 warn "... unloading $pkg"; 3623 warn "... unloading $pkg";
2671 3624
2714 warn "reloading cf.pm"; 3667 warn "reloading cf.pm";
2715 require cf; 3668 require cf;
2716 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3669 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717 3670
2718 warn "loading config and database again"; 3671 warn "loading config and database again";
2719 cf::cfg_load; 3672 cf::reload_config;
2720 3673
2721 warn "loading extensions"; 3674 warn "loading extensions";
2722 cf::load_extensions; 3675 cf::load_extensions;
2723 3676
2724 warn "reattaching attachments to objects/players"; 3677 warn "reattaching attachments to objects/players";
2731 warn "leaving sync_job"; 3684 warn "leaving sync_job";
2732 3685
2733 1 3686 1
2734 } or do { 3687 } or do {
2735 warn $@; 3688 warn $@;
2736 warn "error while reloading, exiting."; 3689 cf::cleanup "error while reloading, exiting.";
2737 exit 1;
2738 }; 3690 };
2739 3691
2740 warn "reloaded"; 3692 warn "reloaded";
2741}; 3693};
2742 3694
2744 3696
2745sub reload_perl() { 3697sub reload_perl() {
2746 # doing reload synchronously and two reloads happen back-to-back, 3698 # doing reload synchronously and two reloads happen back-to-back,
2747 # coro crashes during coro_state_free->destroy here. 3699 # coro crashes during coro_state_free->destroy here.
2748 3700
2749 $RELOAD_WATCHER ||= Event->timer ( 3701 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2750 reentrant => 0,
2751 after => 0,
2752 data => WF_AUTOCANCEL,
2753 cb => sub {
2754 do_reload_perl; 3702 do_reload_perl;
2755 undef $RELOAD_WATCHER; 3703 undef $RELOAD_WATCHER;
2756 },
2757 ); 3704 };
2758} 3705}
2759 3706
2760register_command "reload" => sub { 3707register_command "reload" => sub {
2761 my ($who, $arg) = @_; 3708 my ($who, $arg) = @_;
2762 3709
2763 if ($who->flag (FLAG_WIZ)) { 3710 if ($who->flag (FLAG_WIZ)) {
2764 $who->message ("reloading server."); 3711 $who->message ("reloading server.");
3712 async {
3713 $Coro::current->{desc} = "perl_reload";
2765 async { reload_perl }; 3714 reload_perl;
3715 };
2766 } 3716 }
2767}; 3717};
2768 3718
2769unshift @INC, $LIBDIR; 3719unshift @INC, $LIBDIR;
2770 3720
2772 3722
2773our @WAIT_FOR_TICK; 3723our @WAIT_FOR_TICK;
2774our @WAIT_FOR_TICK_BEGIN; 3724our @WAIT_FOR_TICK_BEGIN;
2775 3725
2776sub wait_for_tick { 3726sub wait_for_tick {
2777 return unless $TICK_WATCHER->is_active;
2778 return if $Coro::current == $Coro::main; 3727 return if tick_inhibit || $Coro::current == $Coro::main;
2779 3728
2780 my $signal = new Coro::Signal; 3729 my $signal = new Coro::Signal;
2781 push @WAIT_FOR_TICK, $signal; 3730 push @WAIT_FOR_TICK, $signal;
2782 $signal->wait; 3731 $signal->wait;
2783} 3732}
2784 3733
2785sub wait_for_tick_begin { 3734sub wait_for_tick_begin {
2786 return unless $TICK_WATCHER->is_active;
2787 return if $Coro::current == $Coro::main; 3735 return if tick_inhibit || $Coro::current == $Coro::main;
2788 3736
2789 my $signal = new Coro::Signal; 3737 my $signal = new Coro::Signal;
2790 push @WAIT_FOR_TICK_BEGIN, $signal; 3738 push @WAIT_FOR_TICK_BEGIN, $signal;
2791 $signal->wait; 3739 $signal->wait;
2792} 3740}
2793 3741
2794$TICK_WATCHER = Event->timer ( 3742sub tick {
2795 reentrant => 0,
2796 parked => 1,
2797 prio => 0,
2798 at => $NEXT_TICK || $TICK,
2799 data => WF_AUTOCANCEL,
2800 cb => sub {
2801 if ($Coro::current != $Coro::main) { 3743 if ($Coro::current != $Coro::main) {
2802 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3744 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803 unless ++$bug_warning > 10; 3745 unless ++$bug_warning > 10;
2804 return; 3746 return;
2805 } 3747 }
2806 3748
2807 $NOW = Event::time;
2808
2809 cf::server_tick; # one server iteration 3749 cf::server_tick; # one server iteration
2810 3750
2811 $RUNTIME += $TICK;
2812 $NEXT_TICK += $TICK;
2813
2814 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3751 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815 $NEXT_RUNTIME_WRITE = $NOW + 10; 3752 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816 Coro::async_pool { 3753 Coro::async_pool {
3754 $Coro::current->{desc} = "runtime saver";
2817 write_runtime 3755 write_runtime_sync
2818 or warn "ERROR: unable to write runtime file: $!"; 3756 or warn "ERROR: unable to write runtime file: $!";
2819 };
2820 } 3757 };
3758 }
2821 3759
2822# my $AFTER = Event::time;
2823# warn $AFTER - $NOW;#d#
2824
2825 # if we are delayed by four ticks or more, skip them all
2826 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828 $TICK_WATCHER->at ($NEXT_TICK);
2829 $TICK_WATCHER->start;
2830
2831 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3760 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832 $sig->send; 3761 $sig->send;
2833 } 3762 }
2834 while (my $sig = shift @WAIT_FOR_TICK) { 3763 while (my $sig = shift @WAIT_FOR_TICK) {
2835 $sig->send; 3764 $sig->send;
2836 }
2837
2838 _post_tick;
2839 }, 3765 }
2840); 3766
3767 $LOAD = ($NOW - $TICK_START) / $TICK;
3768 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3769
3770 if (0) {
3771 if ($NEXT_TICK) {
3772 my $jitter = $TICK_START - $NEXT_TICK;
3773 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3774 warn "jitter $JITTER\n";#d#
3775 }
3776 }
3777}
2841 3778
2842{ 3779{
2843 BDB::max_poll_time $TICK * 0.1; 3780 # configure BDB
2844 $BDB_POLL_WATCHER = Event->io ( 3781
2845 reentrant => 0,
2846 fd => BDB::poll_fileno,
2847 poll => 'r',
2848 prio => 0,
2849 data => WF_AUTOCANCEL,
2850 cb => \&BDB::poll_cb,
2851 );
2852 BDB::min_parallel 8; 3782 BDB::min_parallel 8;
2853 3783 BDB::max_poll_reqs $TICK * 0.1;
2854 BDB::set_sync_prepare { 3784 $Coro::BDB::WATCHER->priority (1);
2855 my $status;
2856 my $current = $Coro::current;
2857 (
2858 sub {
2859 $status = $!;
2860 $current->ready; undef $current;
2861 },
2862 sub {
2863 Coro::schedule while defined $current;
2864 $! = $status;
2865 },
2866 )
2867 };
2868 3785
2869 unless ($DB_ENV) { 3786 unless ($DB_ENV) {
2870 $DB_ENV = BDB::db_env_create; 3787 $DB_ENV = BDB::db_env_create;
3788 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3789 | BDB::LOG_AUTOREMOVE, 1);
3790 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3791 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2871 3792
2872 cf::sync_job { 3793 cf::sync_job {
2873 eval { 3794 eval {
2874 BDB::db_env_open 3795 BDB::db_env_open
2875 $DB_ENV, 3796 $DB_ENV,
2876 $BDB_ENV_DIR, 3797 $BDBDIR,
2877 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3798 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3799 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879 0666; 3800 0666;
2880 3801
2881 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3802 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884 $DB_ENV->set_lk_detect;
2885 }; 3803 };
2886 3804
2887 cf::cleanup "db_env_open(db): $@" if $@; 3805 cf::cleanup "db_env_open(db): $@" if $@;
2888 }; 3806 };
2889 } 3807 }
3808
3809 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3810 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3811 };
3812 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3813 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3814 };
3815 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3816 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3817 };
2890} 3818}
2891 3819
2892{ 3820{
3821 # configure IO::AIO
3822
2893 IO::AIO::min_parallel 8; 3823 IO::AIO::min_parallel 8;
2894
2895 undef $Coro::AIO::WATCHER;
2896 IO::AIO::max_poll_time $TICK * 0.1; 3824 IO::AIO::max_poll_time $TICK * 0.1;
2897 $AIO_POLL_WATCHER = Event->io ( 3825 $Coro::AIO::WATCHER->priority (1);
2898 reentrant => 0, 3826}
2899 data => WF_AUTOCANCEL, 3827
2900 fd => IO::AIO::poll_fileno, 3828my $_log_backtrace;
2901 poll => 'r', 3829
2902 prio => 6, 3830sub _log_backtrace {
2903 cb => \&IO::AIO::poll_cb, 3831 my ($msg, @addr) = @_;
2904 ); 3832
3833 $msg =~ s/\n//;
3834
3835 # limit the # of concurrent backtraces
3836 if ($_log_backtrace < 2) {
3837 ++$_log_backtrace;
3838 async {
3839 $Coro::current->{desc} = "abt $msg";
3840
3841 my @bt = fork_call {
3842 @addr = map { sprintf "%x", $_ } @addr;
3843 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3844 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3845 or die "addr2line: $!";
3846
3847 my @funcs;
3848 my @res = <$fh>;
3849 chomp for @res;
3850 while (@res) {
3851 my ($func, $line) = splice @res, 0, 2, ();
3852 push @funcs, "[$func] $line";
3853 }
3854
3855 @funcs
3856 };
3857
3858 LOG llevInfo, "[ABT] $msg\n";
3859 LOG llevInfo, "[ABT] $_\n" for @bt;
3860 --$_log_backtrace;
3861 };
3862 } else {
3863 LOG llevInfo, "[ABT] $msg\n";
3864 LOG llevInfo, "[ABT] [suppressed]\n";
3865 }
2905} 3866}
2906 3867
2907# load additional modules 3868# load additional modules
2908use cf::pod; 3869use cf::pod;
2909 3870

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