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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.430 by root, Sun May 4 14:12:37 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
9use Event; 30use EV 3.2;
10use Opcode; 31use Opcode;
11use Safe; 32use Safe;
12use Safe::Hole; 33use Safe::Hole;
34use Storable ();
13 35
14use Coro 3.52 (); 36use Coro 4.50 ();
15use Coro::State; 37use Coro::State;
38use Coro::Handle;
16use Coro::Event; 39use Coro::EV;
17use Coro::Timer; 40use Coro::Timer;
18use Coro::Signal; 41use Coro::Signal;
19use Coro::Semaphore; 42use Coro::Semaphore;
20use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
45use Coro::Storable;
46use Coro::Util ();
21 47
48use JSON::XS 2.01 ();
22use BDB (); 49use BDB ();
23use Data::Dumper; 50use Data::Dumper;
24use Digest::MD5; 51use Digest::MD5;
25use Fcntl; 52use Fcntl;
26use YAML::Syck (); 53use YAML ();
27use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
28use Time::HiRes; 55use Time::HiRes;
29use Compress::LZF; 56use Compress::LZF;
57use Digest::MD5 ();
30 58
31# configure various modules to our taste 59# configure various modules to our taste
32# 60#
61$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 64
36$Event::Eval = 1; # no idea why this is required, but it is
37
38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39$YAML::Syck::ImplicitUnicode = 1;
40
41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42 66
43sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44 68
45our %COMMAND = (); 69our %COMMAND = ();
46our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
47 71
48our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
52 77
53our $RELOAD; # number of reloads so far 78our $RELOAD; # number of reloads so far
54our @EVENT; 79our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 80
57our $TICK = MAX_TIME * 1e-6; 81our $CONFDIR = confdir;
58our $TICK_WATCHER; 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;
93
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
59our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 97our $NEXT_TICK;
62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 98our $USE_FSYNC = 1; # use fsync to write maps - default off
64 99
65our $BDB_POLL_WATCHER; 100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 104our $DB_ENV;
67 105
68our %CFG; 106our %CFG;
69 107
70our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 109our $RUNTIME;
110our $NOW;
72 111
73our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 114our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 115
82# 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 ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 118
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 $TICK_START; # for load detecting purposes
123
85binmode STDOUT; 124binmode STDOUT;
86binmode STDERR; 125binmode STDERR;
87 126
88# read virtual server time, if available 127# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 128unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 129 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 130 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 131 $RUNTIME = <$fh> + 0.;
93} 132}
94 133
95mkdir cf::localdir; 134mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 136
102our $EMERGENCY_POSITION; 137our $EMERGENCY_POSITION;
103 138
104sub cf::map::normalise; 139sub cf::map::normalise;
105 140
116=item $cf::RUNTIME 151=item $cf::RUNTIME
117 152
118The 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
119every server tick. 154every server tick.
120 155
121=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
122 159
123The perl library directory, where extensions and cf-specific modules can 160Various directories - "/etc", read-only install directory, perl-library
124be 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.
125 164
126=item $cf::NOW 165=item $cf::NOW
127 166
128The time of the last (current) server tick. 167The time of the last (current) server tick.
129 168
130=item $cf::TICK 169=item $cf::TICK
131 170
132The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
133 172
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
134=item %cf::CFG 183=item %cf::CFG
135 184
136Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137from wherever your confdir points to. 186from wherever your confdir points to.
138 187
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 188=item cf::wait_for_tick, cf::wait_for_tick_begin
140 189
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 190These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 191returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 192per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 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.
145 199
146=back 200=back
147 201
148=cut 202=cut
149 203
150BEGIN { 204BEGIN {
151 *CORE::GLOBAL::warn = sub { 205 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 206 my $msg = join "", @_;
153 utf8::encode $msg;
154 207
155 $msg .= "\n" 208 $msg .= "\n"
156 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
157 210
211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212
158 LOG llevError, $msg; 213 LOG llevError, $msg;
159 }; 214 };
160} 215}
216
217$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#?
161 231
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@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';
167@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)
168 239
169# 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
170# within the Safe compartment. 241# within the Safe compartment.
171for my $pkg (qw( 242for my $pkg (qw(
172 cf::global cf::attachable 243 cf::global cf::attachable
177)) { 248)) {
178 no strict 'refs'; 249 no strict 'refs';
179 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180} 251}
181 252
182$Event::DIED = sub { 253$EV::DIED = sub {
183 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
184}; 255};
256
257#############################################################################
185 258
186=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
187 260
188=over 4 261=over 4
189 262
208 $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;
209 $d 282 $d
210 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
211} 284}
212 285
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
216 287
217Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
218 289
219=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
220 291
221Converts 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]) }
222 300
223=item cf::lock_wait $string 301=item cf::lock_wait $string
224 302
225Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
226 304
229Wait 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
230a 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,
231for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
232returned. 310returned.
233 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
234Lock 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
235uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
236 317
318=item $locked = cf::lock_active $string
319
320Return true if the lock is currently active, i.e. somebody has locked it.
321
237=cut 322=cut
238 323
239our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
240 326
241sub lock_wait($) { 327sub lock_wait($) {
242 my ($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#
243 334
244 # wait for lock, if any 335 # wait for lock, if any
245 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 338 Coro::schedule;
253 344
254 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
255 lock_wait $key; 346 lock_wait $key;
256 347
257 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
258 350
259 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
262 } 355 }
263} 356}
264 357
358sub lock_active($) {
359 my ($key) = @_;
360
361 ! ! $LOCK{$key}
362}
363
265sub freeze_mainloop { 364sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
267 366
268 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
269 $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($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
270 }; 428 }
271 $TICK_WATCHER->stop; 429};
272 $guard 430
431sub get_slot($;$$) {
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 $sig->wait;
273} 443}
274 444
275=item cf::async { BLOCK } 445=item cf::async { BLOCK }
276 446
277Currently the same as Coro::async_pool, meaning you cannot use 447Currently the same as Coro::async_pool, meaning you cannot use
282 452
283BEGIN { *async = \&Coro::async_pool } 453BEGIN { *async = \&Coro::async_pool }
284 454
285=item cf::sync_job { BLOCK } 455=item cf::sync_job { BLOCK }
286 456
287The design of crossfire+ requires that the main coro ($Coro::main) is 457The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 458is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 459partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
460acceptable.
290 461
291If it must be done, put the blocking parts into C<sync_job>. This will run 462If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 463the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 464server will be frozen during this time, so the block should either finish
294fast or be very important. 465fast or be very important.
297 468
298sub sync_job(&) { 469sub sync_job(&) {
299 my ($job) = @_; 470 my ($job) = @_;
300 471
301 if ($Coro::current == $Coro::main) { 472 if ($Coro::current == $Coro::main) {
473 my $time = EV::time;
474
302 # this is the main coro, too bad, we have to block 475 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 476 # till the operation succeeds, freezing the server :/
304 477
305 # TODO: use suspend/resume instead 478 LOG llevError, Carp::longmess "sync job";#d#
306 # (but this is cancel-safe) 479
307 my $freeze_guard = freeze_mainloop; 480 my $freeze_guard = freeze_mainloop;
308 481
309 my $busy = 1; 482 my $busy = 1;
310 my @res; 483 my @res;
311 484
312 (async { 485 (async {
486 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 487 @res = eval { $job->() };
314 warn $@ if $@; 488 warn $@ if $@;
315 undef $busy; 489 undef $busy;
316 })->prio (Coro::PRIO_MAX); 490 })->prio (Coro::PRIO_MAX);
317 491
318 while ($busy) { 492 while ($busy) {
319 Coro::cede or Event::one_event; 493 if (Coro::nready) {
494 Coro::cede_notself;
495 } else {
496 EV::loop EV::LOOP_ONESHOT;
320 } 497 }
498 }
499
500 my $time = EV::time - $time;
501
502 $TICK_START += $time; # do not account sync jobs to server load
321 503
322 wantarray ? @res : $res[0] 504 wantarray ? @res : $res[0]
323 } else { 505 } else {
324 # we are in another coroutine, how wonderful, everything just works 506 # we are in another coroutine, how wonderful, everything just works
325 507
345 $EXT_CORO{$coro+0} = $coro; 527 $EXT_CORO{$coro+0} = $coro;
346 528
347 $coro 529 $coro
348} 530}
349 531
350sub write_runtime { 532=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 533
353 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.
354 538
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 539=cut
356 or return;
357 540
358 my $value = $cf::RUNTIME + 90 + 10; 541sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 542 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 543
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544 # we seemingly have to make a local copy of the whole thing,
363 and return; 545 # otherwise perl prematurely frees the stuff :/
546 # TODO: investigate and fix (likely this will be rather laborious)
364 547
365 # always fsync - this file is important 548 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 549 reset_signals;
367 and return; 550 &$cb
551 }, @args;
368 552
369 close $fh 553 wantarray ? @res : $res[-1]
370 or return; 554}
371 555
372 aio_rename "$runtime~", $runtime 556=item $coin = coin_from_name $name
373 and return;
374 557
558=cut
559
560our %coin_alias = (
561 "silver" => "silvercoin",
562 "silvercoin" => "silvercoin",
563 "silvercoins" => "silvercoin",
564 "gold" => "goldcoin",
565 "goldcoin" => "goldcoin",
566 "goldcoins" => "goldcoin",
567 "platinum" => "platinacoin",
568 "platinumcoin" => "platinacoin",
569 "platinumcoins" => "platinacoin",
570 "platina" => "platinacoin",
571 "platinacoin" => "platinacoin",
572 "platinacoins" => "platinacoin",
573 "royalty" => "royalty",
574 "royalties" => "royalty",
575);
576
577sub coin_from_name($) {
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($$) {
625 my $key = "$_[0]/$_[1]";
626
627 cf::sync_job {
628 BDB::db_get $DB, undef, $key, my $data;
629
630 $! ? ()
631 : $data
375 1 632 }
633}
634
635sub db_put($$$) {
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"
376} 708}
377 709
378=item cf::datalog type => key => value, ... 710=item cf::datalog type => key => value, ...
379 711
380Log 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.
398attach callbacks/event handlers (a collection of which is called an "attachment") 730attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 731to it. All such attachable objects support the following methods.
400 732
401In 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>
402C<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
403crossfire+). 735Deliantra).
404 736
405=over 4 737=over 4
406 738
407=item $attachable->attach ($attachment, key => $value...) 739=item $attachable->attach ($attachment, key => $value...)
408 740
571 $registry = $CB_TYPE[$object_type] ||= []; 903 $registry = $CB_TYPE[$object_type] ||= [];
572 904
573 } elsif ($type eq "subtype") { 905 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 906 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 907 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 908 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 909
578 } elsif ($type eq "package") { 910 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 911 my $pkg = shift @arg;
580 912
581 while (my ($name, $id) = each %cb_id) { 913 while (my ($name, $id) = each %cb_id) {
610 _attach $registry, $klass, @attach; 942 _attach $registry, $klass, @attach;
611 } 943 }
612 944
613 $obj->{$name} = \%arg; 945 $obj->{$name} = \%arg;
614 } else { 946 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 947 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 948 }
617 949
618 $obj->{_attachment}{$name} = undef; 950 $obj->{_attachment}{$name} = undef;
619} 951}
620 952
622 if (ref $_[0]) { 954 if (ref $_[0]) {
623 _object_attach @_; 955 _object_attach @_;
624 } else { 956 } else {
625 _attach shift->_attach_registry, @_; 957 _attach shift->_attach_registry, @_;
626 } 958 }
959 _recalc_want;
627}; 960};
628 961
629# all those should be optimised 962# all those should be optimised
630sub cf::attachable::detach { 963sub cf::attachable::detach {
631 my ($obj, $name) = @_; 964 my ($obj, $name) = @_;
634 delete $obj->{_attachment}{$name}; 967 delete $obj->{_attachment}{$name};
635 reattach ($obj); 968 reattach ($obj);
636 } else { 969 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 970 Carp::croak "cannot, currently, detach class attachments";
638 } 971 }
972 _recalc_want;
639}; 973};
640 974
641sub cf::attachable::attached { 975sub cf::attachable::attached {
642 my ($obj, $name) = @_; 976 my ($obj, $name) = @_;
643 977
658 "; 992 ";
659 die if $@; 993 die if $@;
660} 994}
661 995
662our $override; 996our $override;
663our @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?
664 998
665sub override { 999sub override {
666 $override = 1; 1000 $override = 1;
667 @invoke_results = (); 1001 @INVOKE_RESULTS = (@_);
668} 1002}
669 1003
670sub do_invoke { 1004sub do_invoke {
671 my $event = shift; 1005 my $event = shift;
672 my $callbacks = shift; 1006 my $callbacks = shift;
673 1007
674 @invoke_results = (); 1008 @INVOKE_RESULTS = ();
675 1009
676 local $override; 1010 local $override;
677 1011
678 for (@$callbacks) { 1012 for (@$callbacks) {
679 eval { &{$_->[1]} }; 1013 eval { &{$_->[1]} };
688 } 1022 }
689 1023
690 0 1024 0
691} 1025}
692 1026
693=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1027=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694 1028
695=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1029=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696 1030
697Generate an object-specific event with the given arguments. 1031Generate an object-specific event with the given arguments.
698 1032
699This 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
700removed 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
701results (if you must, access C<@cf::invoke_results> directly). 1035results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 1036
703=back 1037=back
704 1038
705=cut 1039=cut
706 1040
707############################################################################# 1041#############################################################################
708# 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, $ob2
1084}
709 1085
710sub reattach { 1086sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1087 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1088 my ($obj) = @_;
713 1089
734cf::attachable->attach ( 1110cf::attachable->attach (
735 prio => -1000000, 1111 prio => -1000000,
736 on_instantiate => sub { 1112 on_instantiate => sub {
737 my ($obj, $data) = @_; 1113 my ($obj, $data) = @_;
738 1114
739 $data = from_json $data; 1115 $data = decode_json $data;
740 1116
741 for (@$data) { 1117 for (@$data) {
742 my ($name, $args) = @$_; 1118 my ($name, $args) = @$_;
743 1119
744 $obj->attach ($name, %{$args || {} }); 1120 $obj->attach ($name, %{$args || {} });
760sub object_freezer_save { 1136sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1137 my ($filename, $rdata, $objs) = @_;
762 1138
763 sync_job { 1139 sync_job {
764 if (length $$rdata) { 1140 if (length $$rdata) {
1141 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1142 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1143 $decname, length $$rdata, scalar @$objs;
767 1144
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1145 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1146 aio_chmod $fh, SAVE_MODE;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1147 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1148 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1149 aio_close $fh;
773 1150
774 if (@$objs) { 1151 if (@$objs) {
775 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) {
776 chmod SAVE_MODE, $fh; 1153 aio_chmod $fh, SAVE_MODE;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1154 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1155 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1156 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1157 aio_close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1158 aio_rename "$filename.pst~", "$filename.pst";
782 } 1159 }
783 } else { 1160 } else {
784 aio_unlink "$filename.pst"; 1161 aio_unlink "$filename.pst";
785 } 1162 }
790 } 1167 }
791 } else { 1168 } else {
792 aio_unlink $filename; 1169 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1170 aio_unlink "$filename.pst";
794 } 1171 }
795 } 1172 };
796} 1173}
797 1174
798sub object_freezer_as_string { 1175sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1176 my ($rdata, $objs) = @_;
800 1177
812 or return; 1189 or return;
813 1190
814 unless (aio_stat "$filename.pst") { 1191 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1192 (aio_load "$filename.pst", $av) >= 0
816 or return; 1193 or return;
1194
817 $av = eval { (Storable::thaw $av)->{objs} }; 1195 my $st = eval { Coro::Storable::thaw $av };
1196 $av = $st->{objs};
818 } 1197 }
819 1198
1199 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1200 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1201 $decname, length $data, scalar @{$av || []};
1202
822 return ($data, $av); 1203 ($data, $av)
823} 1204}
1205
1206=head2 COMMAND CALLBACKS
1207
1208=over 4
1209
1210=cut
824 1211
825############################################################################# 1212#############################################################################
826# command handling &c 1213# command handling &c
827 1214
828=item cf::register_command $name => \&callback($ob,$args); 1215=item cf::register_command $name => \&callback($ob,$args);
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1228 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1229}
843 1230
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1231=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1232
846Register 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.
847 1238
848If 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
849called. 1240called.
850 1241
1242=item cf::register_exticmd $name => \&callback($ns,$packet);
1243
1244Register a callback for execution when the client sends an (asynchronous)
1245exticmd packet. Exti commands are processed by the server as soon as they
1246are received, i.e. out of order w.r.t. other commands. The first argument
1247is a client socket. Exti commands can be received anytime, even before
1248log-in.
1249
1250If the callback returns something, it is sent back as if reply was being
1251called.
1252
851=cut 1253=cut
852 1254
853sub register_extcmd { 1255sub register_extcmd {
854 my ($name, $cb) = @_; 1256 my ($name, $cb) = @_;
855 1257
856 $EXTCMD{$name} = $cb; 1258 $EXTCMD{$name} = $cb;
1259}
1260
1261sub register_exticmd {
1262 my ($name, $cb) = @_;
1263
1264 $EXTICMD{$name} = $cb;
857} 1265}
858 1266
859cf::player->attach ( 1267cf::player->attach (
860 on_command => sub { 1268 on_command => sub {
861 my ($pl, $name, $params) = @_; 1269 my ($pl, $name, $params) = @_;
870 cf::override; 1278 cf::override;
871 }, 1279 },
872 on_extcmd => sub { 1280 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1281 my ($pl, $buf) = @_;
874 1282
875 my $msg = eval { from_json $buf }; 1283 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1284
877 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
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1293 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1294 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1295 }
1296
1297 $pl->ext_reply ($reply, @reply)
1298 if $reply;
1299
883 } else { 1300 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1301 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1302 }
886 1303
887 cf::override; 1304 cf::override;
888 }, 1305 },
889); 1306);
890 1307
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1308sub load_extensions {
1309 cf::sync_job {
1310 my %todo;
1311
926 for my $ext (<$LIBDIR/*.ext>) { 1312 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1313 next unless -r $path;
928 eval { 1314
929 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 $progress = 1;
930 1 1371 }
931 } or warn "$ext not loaded: $@"; 1372
1373 skip:
1374 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1375 unless $progress;
1376 }
932 } 1377 };
933} 1378}
934 1379
935############################################################################# 1380#############################################################################
936 1381
1382=back
1383
937=head2 CORE EXTENSIONS 1384=head2 CORE EXTENSIONS
938 1385
939Functions and methods that extend core crossfire objects. 1386Functions and methods that extend core crossfire objects.
940 1387
941=cut 1388=cut
946 1393
947=head3 cf::player 1394=head3 cf::player
948 1395
949=over 4 1396=over 4
950 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
951=item cf::player::find $login 1412=item cf::player::find $login
952 1413
953Returns the given player object, loading it if necessary (might block). 1414Returns the given player object, loading it if necessary (might block).
954 1415
955=cut 1416=cut
956 1417
957sub playerdir($) { 1418sub playerdir($) {
958 cf::localdir 1419 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1420 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1421}
964 1422
965sub path($) { 1423sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1424 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967 1425
968 (playerdir $login) . "/$login.pl" 1426 (playerdir $login) . "/playerdata"
969} 1427}
970 1428
971sub find_active($) { 1429sub find_active($) {
972 $cf::PLAYER{$_[0]} 1430 $cf::PLAYER{$_[0]}
973 and $cf::PLAYER{$_[0]}->active 1431 and $cf::PLAYER{$_[0]}->active
986 my $login = $_[0]; 1444 my $login = $_[0];
987 1445
988 my $guard = cf::lock_acquire "user_find:$login"; 1446 my $guard = cf::lock_acquire "user_find:$login";
989 1447
990 $cf::PLAYER{$_[0]} || do { 1448 $cf::PLAYER{$_[0]} || do {
991 my $pl = load_pl path $login 1449 # rename old playerfiles to new ones
1450 #TODO: remove when no longer required
1451 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1452 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1453 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1454 aio_unlink +(playerdir $login) . "/$login.pl";
1455
1456 my $f = new_from_file cf::object::thawer path $login
992 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;
993 $cf::PLAYER{$login} = $pl 1464 $cf::PLAYER{$login} = $pl
994 } 1465 }
995 } 1466 }
996} 1467}
997 1468
1006 return if $pl->{deny_save}; 1477 return if $pl->{deny_save};
1007 1478
1008 aio_mkdir playerdir $pl, 0770; 1479 aio_mkdir playerdir $pl, 0770;
1009 $pl->{last_save} = $cf::RUNTIME; 1480 $pl->{last_save} = $cf::RUNTIME;
1010 1481
1482 cf::get_slot 0.01;
1483
1011 $pl->save_pl ($path); 1484 $pl->save_pl ($path);
1012 Coro::cede; 1485 cf::cede_to_tick;
1013} 1486}
1014 1487
1015sub new($) { 1488sub new($) {
1016 my ($login) = @_; 1489 my ($login) = @_;
1017 1490
1021 $self->{deny_save} = 1; 1494 $self->{deny_save} = 1;
1022 1495
1023 $cf::PLAYER{$login} = $self; 1496 $cf::PLAYER{$login} = $self;
1024 1497
1025 $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 (@_);
1026} 1509}
1027 1510
1028=item $pl->quit_character 1511=item $pl->quit_character
1029 1512
1030Nukes the player without looking back. If logged in, the connection will 1513Nukes the player without looking back. If logged in, the connection will
1079while and may block, so not sync_job-capable, ever. 1562while and may block, so not sync_job-capable, ever.
1080 1563
1081=cut 1564=cut
1082 1565
1083sub list_logins { 1566sub list_logins {
1084 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1567 my $dirs = aio_readdir $PLAYERDIR
1085 or return []; 1568 or return [];
1086 1569
1087 my @logins; 1570 my @logins;
1088 1571
1089 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") {
1090 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1578 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091 aio_read $fh, 0, 512, my $buf, 0 or next; 1579 aio_read $fh, 0, 512, my $buf, 0 or next;
1092 $buf !~ /^password -------------$/m or next; # official not-valid tag 1580 $buf !~ /^password -------------$/m or next; # official not-valid tag
1581 }
1093 1582
1094 utf8::decode $login; 1583 utf8::decode $login;
1095 push @logins, $login; 1584 push @logins, $login;
1096 } 1585 }
1097 1586
1124 } 1613 }
1125 1614
1126 \@paths 1615 \@paths
1127} 1616}
1128 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
1129=item $player->ext_reply ($msgid, %msg) 1711=item $player->ext_reply ($msgid, @msg)
1130 1712
1131Sends an ext reply to the player. 1713Sends an ext reply to the player.
1132 1714
1133=cut 1715=cut
1134 1716
1135sub ext_reply($$%) { 1717sub ext_reply($$@) {
1136 my ($self, $id, %msg) = @_; 1718 my ($self, $id, @msg) = @_;
1137 1719
1138 $msg{msgid} = $id; 1720 $self->ns->ext_reply ($id, @msg)
1139
1140 $self->send ("ext " . cf::to_json \%msg);
1141} 1721}
1142 1722
1143=item $player->ext_event ($type, %msg) 1723=item $player->ext_msg ($type, @msg)
1144 1724
1145Sends an ext event to the client. 1725Sends an ext event to the client.
1146 1726
1147=cut 1727=cut
1148 1728
1149sub ext_event($$%) { 1729sub ext_msg($$@) {
1150 my ($self, $type, %msg) = @_; 1730 my ($self, $type, @msg) = @_;
1151 1731
1152 $self->ns->ext_event ($type, %msg); 1732 $self->ns->ext_msg ($type, @msg);
1153} 1733}
1154 1734
1155package cf; 1735=head3 cf::region
1736
1737=over 4
1738
1739=cut
1740
1741package cf::region;
1742
1743=item cf::region::find_by_path $path
1744
1745Tries to decuce the likely region for a map knowing only its path.
1746
1747=cut
1748
1749sub find_by_path($) {
1750 my ($path) = @_;
1751
1752 my ($match, $specificity);
1753
1754 for my $region (list) {
1755 if ($region->{match} && $path =~ $region->{match}) {
1756 ($match, $specificity) = ($region, $region->specificity)
1757 if $region->specificity > $specificity;
1758 }
1759 }
1760
1761 $match
1762}
1156 1763
1157=back 1764=back
1158
1159 1765
1160=head3 cf::map 1766=head3 cf::map
1161 1767
1162=over 4 1768=over 4
1163 1769
1175our $MAX_RESET = 3600; 1781our $MAX_RESET = 3600;
1176our $DEFAULT_RESET = 3000; 1782our $DEFAULT_RESET = 3000;
1177 1783
1178sub generate_random_map { 1784sub generate_random_map {
1179 my ($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
1180 # mit "rum" bekleckern, nicht 1789 # mit "rum" bekleckern, nicht
1181 $self->_create_random_map ( 1790 $self->_create_random_map (
1182 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1791 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1792 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1793 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1218 my ($self, $merge) = @_; 1827 my ($self, $merge) = @_;
1219 1828
1220 # we have to keep some variables in memory intact 1829 # we have to keep some variables in memory intact
1221 local $self->{path}; 1830 local $self->{path};
1222 local $self->{load_path}; 1831 local $self->{load_path};
1223 local $self->{deny_save};
1224 local $self->{deny_reset};
1225 1832
1226 $self->SUPER::thawer_merge ($merge); 1833 $self->SUPER::thawer_merge ($merge);
1227} 1834}
1228 1835
1229sub normalise { 1836sub normalise {
1276 $self->init; # pass $1 etc. 1883 $self->init; # pass $1 etc.
1277 return $self; 1884 return $self;
1278 } 1885 }
1279 } 1886 }
1280 1887
1281 Carp::carp "unable to resolve path '$path' (base '$base')."; 1888 Carp::cluck "unable to resolve path '$path' (base '$base').";
1282 () 1889 ()
1283} 1890}
1284 1891
1285sub init { 1892sub init {
1286 my ($self) = @_; 1893 my ($self) = @_;
1301 1908
1302# the original (read-only) location 1909# the original (read-only) location
1303sub load_path { 1910sub load_path {
1304 my ($self) = @_; 1911 my ($self) = @_;
1305 1912
1306 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1913 "$MAPDIR/$self->{path}.map"
1307} 1914}
1308 1915
1309# the temporary/swap location 1916# the temporary/swap location
1310sub save_path { 1917sub save_path {
1311 my ($self) = @_; 1918 my ($self) = @_;
1312 1919
1313 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1920 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1921 "$TMPDIR/$path.map"
1315} 1922}
1316 1923
1317# the unique path, undef == no special unique path 1924# the unique path, undef == no special unique path
1318sub uniq_path { 1925sub uniq_path {
1319 my ($self) = @_; 1926 my ($self) = @_;
1320 1927
1321 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1928 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1929 "$UNIQUEDIR/$path"
1323} 1930}
1324 1931
1325# and all this just because we cannot iterate over 1932# and all this just because we cannot iterate over
1326# all maps in C++... 1933# all maps in C++...
1327sub change_all_map_light { 1934sub change_all_map_light {
1329 1936
1330 $_->change_map_light ($change) 1937 $_->change_map_light ($change)
1331 for grep $_->outdoor, values %cf::MAP; 1938 for grep $_->outdoor, values %cf::MAP;
1332} 1939}
1333 1940
1941sub decay_objects {
1942 my ($self) = @_;
1943
1944 return if $self->{deny_reset};
1945
1946 $self->do_decay_objects;
1947}
1948
1334sub unlink_save { 1949sub unlink_save {
1335 my ($self) = @_; 1950 my ($self) = @_;
1336 1951
1337 utf8::encode (my $save = $self->save_path); 1952 utf8::encode (my $save = $self->save_path);
1338 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1953 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1341 1956
1342sub load_header_from($) { 1957sub load_header_from($) {
1343 my ($self, $path) = @_; 1958 my ($self, $path) = @_;
1344 1959
1345 utf8::encode $path; 1960 utf8::encode $path;
1346 #aio_open $path, O_RDONLY, 0 1961 my $f = new_from_file cf::object::thawer $path
1347 # or return;
1348
1349 $self->_load_header ($path)
1350 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;
1351 1969
1352 $self->{load_path} = $path; 1970 $self->{load_path} = $path;
1353 1971
1354 1 1972 1
1355} 1973}
1394 $self->load_header_orig 2012 $self->load_header_orig
1395 or return; 2013 or return;
1396 $self->prepare_orig; 2014 $self->prepare_orig;
1397 } 2015 }
1398 2016
2017 $self->{deny_reset} = 1
2018 if $self->no_reset;
2019
2020 $self->default_region (cf::region::find_by_path $self->{path})
2021 unless $self->default_region;
2022
1399 1 2023 1
1400} 2024}
1401 2025
1402sub find; 2026sub find;
1403sub find { 2027sub find {
1404 my ($path, $origin) = @_; 2028 my ($path, $origin) = @_;
1405 2029
1406 $path = normalise $path, $origin && $origin->path; 2030 $path = normalise $path, $origin && $origin->path;
1407 2031
2032 cf::lock_wait "map_data:$path";#d#remove
1408 cf::lock_wait "map_find:$path"; 2033 cf::lock_wait "map_find:$path";
1409 2034
1410 $cf::MAP{$path} || do { 2035 $cf::MAP{$path} || do {
2036 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1411 my $guard = cf::lock_acquire "map_find:$path"; 2037 my $guard2 = cf::lock_acquire "map_find:$path";
2038
1412 my $map = new_from_path cf::map $path 2039 my $map = new_from_path cf::map $path
1413 or return; 2040 or return;
1414 2041
1415 $map->{last_save} = $cf::RUNTIME; 2042 $map->{last_save} = $cf::RUNTIME;
1416 2043
1417 $map->load_header 2044 $map->load_header
1418 or return; 2045 or return;
1419 2046
1420 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2047 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421 # doing this can freeze the server in a sync job, obviously 2048 # doing this can freeze the server in a sync job, obviously
1422 #$cf::WAIT_FOR_TICK->wait; 2049 #$cf::WAIT_FOR_TICK->wait;
2050 undef $guard2;
2051 undef $guard1;
1423 $map->reset; 2052 $map->reset;
1424 undef $guard;
1425 return find $path; 2053 return find $path;
1426 } 2054 }
1427 2055
1428 $cf::MAP{$path} = $map 2056 $cf::MAP{$path} = $map
1429 } 2057 }
1436 my ($self) = @_; 2064 my ($self) = @_;
1437 2065
1438 local $self->{deny_reset} = 1; # loading can take a long time 2066 local $self->{deny_reset} = 1; # loading can take a long time
1439 2067
1440 my $path = $self->{path}; 2068 my $path = $self->{path};
2069
2070 {
1441 my $guard = cf::lock_acquire "map_load:$path"; 2071 my $guard = cf::lock_acquire "map_data:$path";
1442 2072
2073 return unless $self->valid;
1443 return if $self->in_memory != cf::MAP_SWAPPED; 2074 return unless $self->in_memory == cf::MAP_SWAPPED;
1444 2075
1445 $self->in_memory (cf::MAP_LOADING); 2076 $self->in_memory (cf::MAP_LOADING);
1446 2077
1447 $self->alloc; 2078 $self->alloc;
1448 2079
1449 $self->pre_load; 2080 $self->pre_load;
2081 cf::cede_to_tick;
1450 2082
1451 $self->_load_objects ($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)
1452 or return; 2086 or return;
1453 2087
1454 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2088 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455 if delete $self->{load_original}; 2089 if delete $self->{load_original};
1456 2090
1457 if (my $uniq = $self->uniq_path) { 2091 if (my $uniq = $self->uniq_path) {
1458 utf8::encode $uniq; 2092 utf8::encode $uniq;
1459 if (aio_open $uniq, O_RDONLY, 0) { 2093 unless (aio_stat $uniq) {
2094 if (my $f = new_from_file cf::object::thawer $uniq) {
1460 $self->clear_unique_items; 2095 $self->clear_unique_items;
1461 $self->_load_objects ($uniq, 0); 2096 $self->_load_objects ($f);
2097 $f->resolve_delayed_derefs;
2098 }
1462 } 2099 }
1463 } 2100 }
1464 2101
1465 Coro::cede; 2102 $f->resolve_delayed_derefs;
1466 2103
2104 cf::cede_to_tick;
1467 # now do the right thing for maps 2105 # now do the right thing for maps
1468 $self->link_multipart_objects; 2106 $self->link_multipart_objects;
1469
1470 unless ($self->{deny_activate}) {
1471 $self->decay_objects;
1472 $self->fix_auto_apply;
1473 $self->update_buttons;
1474 Coro::cede;
1475 $self->set_darkness_map;
1476 $self->difficulty ($self->estimate_difficulty) 2107 $self->difficulty ($self->estimate_difficulty)
1477 unless $self->difficulty; 2108 unless $self->difficulty;
1478 Coro::cede; 2109 cf::cede_to_tick;
2110
2111 unless ($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;
1479 $self->activate; 2118 $self->activate;
2119 }
2120
2121 $self->{last_save} = $cf::RUNTIME;
2122 $self->last_access ($cf::RUNTIME);
2123
2124 $self->in_memory (cf::MAP_ACTIVE);
1480 } 2125 }
1481 2126
1482 $self->post_load; 2127 $self->post_load;
1483
1484 $self->in_memory (cf::MAP_IN_MEMORY);
1485} 2128}
1486 2129
1487sub customise_for { 2130sub customise_for {
1488 my ($self, $ob) = @_; 2131 my ($self, $ob) = @_;
1489 2132
1490 return find "~" . $ob->name . "/" . $self->{path} 2133 return find "~" . $ob->name . "/" . $self->{path}
1491 if $self->per_player; 2134 if $self->per_player;
1492 2135
2136# return find "?party/" . $ob->name . "/" . $self->{path}
2137# if $self->per_party;
2138
1493 $self 2139 $self
1494} 2140}
1495 2141
1496# find and load all maps in the 3x3 area around a map 2142# find and load all maps in the 3x3 area around a map
1497sub load_diag { 2143sub load_neighbours {
1498 my ($map) = @_; 2144 my ($map) = @_;
1499 2145
1500 my @diag; # diagonal neighbours 2146 my @neigh; # diagonal neighbours
1501 2147
1502 for (0 .. 3) { 2148 for (0 .. 3) {
1503 my $neigh = $map->tile_path ($_) 2149 my $neigh = $map->tile_path ($_)
1504 or next; 2150 or next;
1505 $neigh = find $neigh, $map 2151 $neigh = find $neigh, $map
1506 or next; 2152 or next;
1507 $neigh->load; 2153 $neigh->load;
1508 2154
2155 push @neigh,
1509 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2156 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1510 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2157 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1511 } 2158 }
1512 2159
1513 for (@diag) { 2160 for (grep defined $_->[0], @neigh) {
2161 my ($path, $origin) = @$_;
1514 my $neigh = find @$_ 2162 my $neigh = find $path, $origin
1515 or next; 2163 or next;
1516 $neigh->load; 2164 $neigh->load;
1517 } 2165 }
1518} 2166}
1519 2167
1524} 2172}
1525 2173
1526sub do_load_sync { 2174sub do_load_sync {
1527 my ($map) = @_; 2175 my ($map) = @_;
1528 2176
2177 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2178 if $Coro::current == $Coro::main;
2179
1529 cf::sync_job { $map->load }; 2180 cf::sync_job { $map->load };
1530} 2181}
1531 2182
1532our %MAP_PREFETCH; 2183our %MAP_PREFETCH;
1533our $MAP_PREFETCHER = undef; 2184our $MAP_PREFETCHER = undef;
1534 2185
1535sub find_async { 2186sub find_async {
1536 my ($path, $origin) = @_; 2187 my ($path, $origin, $load) = @_;
1537 2188
1538 $path = normalise $path, $origin && $origin->{path}; 2189 $path = normalise $path, $origin && $origin->{path};
1539 2190
1540 if (my $map = $cf::MAP{$path}) { 2191 if (my $map = $cf::MAP{$path}) {
1541 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2192 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542 } 2193 }
1543 2194
1544 undef $MAP_PREFETCH{$path}; 2195 $MAP_PREFETCH{$path} |= $load;
2196
1545 $MAP_PREFETCHER ||= cf::async { 2197 $MAP_PREFETCHER ||= cf::async {
2198 $Coro::current->{desc} = "map prefetcher";
2199
1546 while (%MAP_PREFETCH) { 2200 while (%MAP_PREFETCH) {
1547 for my $path (keys %MAP_PREFETCH) { 2201 while (my ($k, $v) = each %MAP_PREFETCH) {
1548 my $map = find $path 2202 if (my $map = find $k) {
1549 or next;
1550 $map->load; 2203 $map->load if $v;
2204 }
1551 2205
1552 delete $MAP_PREFETCH{$path}; 2206 delete $MAP_PREFETCH{$k};
1553 } 2207 }
1554 } 2208 }
1555 undef $MAP_PREFETCHER; 2209 undef $MAP_PREFETCHER;
1556 }; 2210 };
1557 $MAP_PREFETCHER->prio (6); 2211 $MAP_PREFETCHER->prio (6);
1560} 2214}
1561 2215
1562sub save { 2216sub save {
1563 my ($self) = @_; 2217 my ($self) = @_;
1564 2218
1565 my $lock = cf::lock_acquire "map_data:" . $self->path; 2219 my $lock = cf::lock_acquire "map_data:$self->{path}";
1566 2220
1567 $self->{last_save} = $cf::RUNTIME; 2221 $self->{last_save} = $cf::RUNTIME;
1568 2222
1569 return unless $self->dirty; 2223 return unless $self->dirty;
1570 2224
1576 return if $self->{deny_save}; 2230 return if $self->{deny_save};
1577 2231
1578 local $self->{last_access} = $self->last_access;#d# 2232 local $self->{last_access} = $self->last_access;#d#
1579 2233
1580 cf::async { 2234 cf::async {
2235 $Coro::current->{desc} = "map player save";
1581 $_->contr->save for $self->players; 2236 $_->contr->save for $self->players;
1582 }; 2237 };
2238
2239 cf::get_slot 0.02;
1583 2240
1584 if ($uniq) { 2241 if ($uniq) {
1585 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2242 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2243 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1587 } else { 2244 } else {
1593 my ($self) = @_; 2250 my ($self) = @_;
1594 2251
1595 # save first because save cedes 2252 # save first because save cedes
1596 $self->save; 2253 $self->save;
1597 2254
1598 my $lock = cf::lock_acquire "map_data:" . $self->path; 2255 my $lock = cf::lock_acquire "map_data:$self->{path}";
1599 2256
1600 return if $self->players; 2257 return if $self->players;
1601 return if $self->in_memory != cf::MAP_IN_MEMORY; 2258 return if $self->in_memory != cf::MAP_ACTIVE;
1602 return if $self->{deny_save}; 2259 return if $self->{deny_save};
1603 2260
2261 $self->in_memory (cf::MAP_SWAPPED);
2262
2263 $self->deactivate;
2264 $_->clear_links_to ($self) for values %cf::MAP;
1604 $self->clear; 2265 $self->clear;
1605 $self->in_memory (cf::MAP_SWAPPED);
1606} 2266}
1607 2267
1608sub reset_at { 2268sub reset_at {
1609 my ($self) = @_; 2269 my ($self) = @_;
1610 2270
1611 # TODO: safety, remove and allow resettable per-player maps 2271 # TODO: safety, remove and allow resettable per-player maps
1612 return 1e99 if $self->isa ("ext::map_per_player");#d#
1613 return 1e99 if $self->{deny_reset}; 2272 return 1e99 if $self->{deny_reset};
1614 2273
1615 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2274 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2275 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617 2276
1628 my ($self) = @_; 2287 my ($self) = @_;
1629 2288
1630 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2289 my $lock = cf::lock_acquire "map_data:$self->{path}";
1631 2290
1632 return if $self->players; 2291 return if $self->players;
1633 return if $self->isa ("ext::map_per_player");#d#
1634 2292
1635 warn "resetting map ", $self->path;#d# 2293 warn "resetting map ", $self->path;
1636 2294
1637 $self->in_memory (cf::MAP_SWAPPED); 2295 $self->in_memory (cf::MAP_SWAPPED);
1638 2296
1639 # need to save uniques path 2297 # need to save uniques path
1640 unless ($self->{deny_save}) { 2298 unless ($self->{deny_save}) {
1644 if $uniq; 2302 if $uniq;
1645 } 2303 }
1646 2304
1647 delete $cf::MAP{$self->path}; 2305 delete $cf::MAP{$self->path};
1648 2306
2307 $self->deactivate;
2308 $_->clear_links_to ($self) for values %cf::MAP;
1649 $self->clear; 2309 $self->clear;
1650
1651 $_->clear_links_to ($self) for values %cf::MAP;
1652 2310
1653 $self->unlink_save; 2311 $self->unlink_save;
1654 $self->destroy; 2312 $self->destroy;
1655} 2313}
1656 2314
1657my $nuke_counter = "aaaa"; 2315my $nuke_counter = "aaaa";
1658 2316
1659sub nuke { 2317sub nuke {
1660 my ($self) = @_; 2318 my ($self) = @_;
1661 2319
2320 {
2321 my $lock = cf::lock_acquire "map_data:$self->{path}";
2322
1662 delete $cf::MAP{$self->path}; 2323 delete $cf::MAP{$self->path};
1663 2324
1664 $self->unlink_save; 2325 $self->unlink_save;
1665 2326
1666 bless $self, "cf::map"; 2327 bless $self, "cf::map";
1667 delete $self->{deny_reset}; 2328 delete $self->{deny_reset};
1668 $self->{deny_save} = 1; 2329 $self->{deny_save} = 1;
1669 $self->reset_timeout (1); 2330 $self->reset_timeout (1);
1670 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2331 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671 2332
1672 $cf::MAP{$self->path} = $self; 2333 $cf::MAP{$self->path} = $self;
2334 }
1673 2335
1674 $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 ]
1675} 2373}
1676 2374
1677=item cf::map::unique_maps 2375=item cf::map::unique_maps
1678 2376
1679Returns an arrayref of paths of all shared maps that have 2377Returns an arrayref of paths of all shared maps that have
1680instantiated unique items. May block. 2378instantiated unique items. May block.
1681 2379
1682=cut 2380=cut
1683 2381
1684sub unique_maps() { 2382sub unique_maps() {
1685 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2383 [
1686 or return; 2384 map {
1687
1688 my @paths;
1689
1690 for (@$files) {
1691 utf8::decode $_; 2385 utf8::decode $_;
1692 next if /\.pst$/; 2386 s/\.map$//; # TODO future compatibility hack
1693 next unless /^$PATH_SEP/o; 2387 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694 2388 ? ()
1695 push @paths, cf::map::normalise $_; 2389 : normalise $_
2390 } @{ aio_readdir $UNIQUEDIR or [] }
1696 } 2391 ]
1697
1698 \@paths
1699} 2392}
1700
1701package cf;
1702 2393
1703=back 2394=back
1704 2395
1705=head3 cf::object 2396=head3 cf::object
1706 2397
1710 2401
1711=over 4 2402=over 4
1712 2403
1713=item $ob->inv_recursive 2404=item $ob->inv_recursive
1714 2405
1715Returns 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.
1716 2408
1717=cut 2409=cut
1718 2410
1719sub inv_recursive_; 2411sub inv_recursive_;
1720sub inv_recursive_ { 2412sub inv_recursive_ {
1723 2415
1724sub inv_recursive { 2416sub inv_recursive {
1725 inv_recursive_ inv $_[0] 2417 inv_recursive_ inv $_[0]
1726} 2418}
1727 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
1728package cf; 2448package cf;
1729 2449
1730=back 2450=back
1731 2451
1732=head3 cf::object::player 2452=head3 cf::object::player
1738Sends 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>
1739can 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
1740dialogue with the given NPC character. 2460dialogue with the given NPC character.
1741 2461
1742=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};
1743 2477
1744# rough implementation of a future "reply" method that works 2478# rough implementation of a future "reply" method that works
1745# with dialog boxes. 2479# with dialog boxes.
1746#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
1747sub cf::object::player::reply($$$;$) { 2481sub cf::object::player::reply($$$;$) {
1749 2483
1750 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2484 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751 2485
1752 if ($self->{record_replies}) { 2486 if ($self->{record_replies}) {
1753 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2487 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2488
1754 } 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 {
1755 $msg = $npc->name . " says: $msg" if $npc; 2497 $msg = $npc->name . " says: $msg" if $npc;
1756 $self->message ($msg, $flags); 2498 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2499 }
1757 } 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 (@_);
1758} 2511}
1759 2512
1760=item $player_object->may ("access") 2513=item $player_object->may ("access")
1761 2514
1762Returns wether the given player is authorized to access resource "access" 2515Returns wether the given player is authorized to access resource "access"
1809 $self->deactivate_recursive; 2562 $self->deactivate_recursive;
1810 2563
1811 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2564 return if UNIVERSAL::isa $self->map, "ext::map_link";
1812 2565
1813 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2566 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814 if $self->map; 2567 if $self->map && $self->map->{path} ne "{link}";
1815 2568
1816 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2569 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1817} 2570}
1818 2571
1819sub cf::object::player::leave_link { 2572sub cf::object::player::leave_link {
1820 my ($self, $map, $x, $y) = @_; 2573 my ($self, $map, $x, $y) = @_;
2574
2575 return unless $self->contr->active;
1821 2576
1822 my $link_pos = delete $self->{_link_pos}; 2577 my $link_pos = delete $self->{_link_pos};
1823 2578
1824 unless ($map) { 2579 unless ($map) {
1825 # restore original map position 2580 # restore original map position
1839 # use -1 or undef as default coordinates, not 0, 0 2594 # use -1 or undef as default coordinates, not 0, 0
1840 ($x, $y) = ($map->enter_x, $map->enter_y) 2595 ($x, $y) = ($map->enter_x, $map->enter_y)
1841 if $x <=0 && $y <= 0; 2596 if $x <=0 && $y <= 0;
1842 2597
1843 $map->load; 2598 $map->load;
1844 $map->load_diag; 2599 $map->load_neighbours;
1845 2600
1846 return unless $self->contr->active; 2601 return unless $self->contr->active;
1847 $self->activate_recursive; 2602 $self->activate_recursive;
1848 2603
1849 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2604 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850 $self->enter_map ($map, $x, $y); 2605 $self->enter_map ($map, $x, $y);
1851} 2606}
1852 2607
1853cf::player->attach ( 2608=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854 on_logout => sub {
1855 my ($pl) = @_;
1856 2609
1857 # abort map switching before logout 2610Moves the player to the given map-path and coordinates by first freezing
1858 if ($pl->ob->{_link_pos}) { 2611her, loading and preparing them map, calling the provided $check callback
1859 cf::sync_job { 2612that has to return the map if sucecssful, and then unfreezes the player on
1860 $pl->ob->leave_link 2613the new (success) or old (failed) map position. In either case, $done will
1861 }; 2614be called at the end of this process.
1862 }
1863 },
1864 on_login => sub {
1865 my ($pl) = @_;
1866 2615
1867 # try to abort aborted map switching on player login :)
1868 # should happen only on crashes
1869 if ($pl->ob->{_link_pos}) {
1870 $pl->ob->enter_link;
1871 (async {
1872 $pl->ob->reply (undef,
1873 "There was an internal problem at your last logout, "
1874 . "the server will try to bring you to your intended destination in a second.",
1875 cf::NDI_RED);
1876 # we need this sleep as the login has a concurrent enter_exit running
1877 # and this sleep increases chances of the player not ending up in scorn
1878 Coro::Timer::sleep 1;
1879 $pl->ob->leave_link;
1880 })->prio (2);
1881 }
1882 },
1883);
1884
1885=item $player_object->goto ($path, $x, $y)
1886
1887=cut 2616=cut
2617
2618our $GOTOGEN;
1888 2619
1889sub cf::object::player::goto { 2620sub cf::object::player::goto {
1890 my ($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;
1891 2625
1892 $self->enter_link; 2626 $self->enter_link;
1893 2627
1894 (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
1895 my $map = eval { 2650 my $map = eval {
1896 my $map = cf::map::find $path; 2651 my $map = defined $path ? cf::map::find $path : undef;
2652
2653 if ($map) {
1897 $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
1898 $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 $@;
1899 } or 2666 }
1900 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901 2667
2668 if ($gen == $self->{_goto_generation}) {
2669 delete $self->{_goto_generation};
1902 $self->leave_link ($map, $x, $y); 2670 $self->leave_link ($map, $x, $y);
2671 }
2672
2673 $done->() if $done;
1903 })->prio (1); 2674 })->prio (1);
1904} 2675}
1905 2676
1906=item $player_object->enter_exit ($exit_object) 2677=item $player_object->enter_exit ($exit_object)
1907 2678
1927} 2698}
1928 2699
1929sub prepare_random_map { 2700sub prepare_random_map {
1930 my ($exit) = @_; 2701 my ($exit) = @_;
1931 2702
1932 my $guard = cf::lock_acquire "exit_prepare:$exit";
1933
1934 # all this does is basically replace the /! path by 2703 # all this does is basically replace the /! path by
1935 # a new random map path (?random/...) with a seed 2704 # a new random map path (?random/...) with a seed
1936 # that depends on the exit object 2705 # that depends on the exit object
1937 2706
1938 my $rmp = parse_random_map_params $exit->msg; 2707 my $rmp = parse_random_map_params $exit->msg;
1940 if ($exit->map) { 2709 if ($exit->map) {
1941 $rmp->{region} = $exit->region->name; 2710 $rmp->{region} = $exit->region->name;
1942 $rmp->{origin_map} = $exit->map->path; 2711 $rmp->{origin_map} = $exit->map->path;
1943 $rmp->{origin_x} = $exit->x; 2712 $rmp->{origin_x} = $exit->x;
1944 $rmp->{origin_y} = $exit->y; 2713 $rmp->{origin_y} = $exit->y;
2714
2715 $exit->map->touch;
1945 } 2716 }
1946 2717
1947 $rmp->{random_seed} ||= $exit->random_seed; 2718 $rmp->{random_seed} ||= $exit->random_seed;
1948 2719
1949 my $data = cf::to_json $rmp; 2720 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950 my $md5 = Digest::MD5::md5_hex $data; 2721 my $md5 = Digest::MD5::md5_hex $data;
1951 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2722 my $meta = "$RANDOMDIR/$md5.meta";
1952 2723
1953 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2724 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954 aio_write $fh, 0, (length $data), $data, 0; 2725 aio_write $fh, 0, (length $data), $data, 0;
1955 undef $fh; 2726 undef $fh;
1956 aio_rename "$meta~", $meta; 2727 aio_rename "$meta~", $meta;
1957 2728
2729 my $slaying = "?random/$md5";
2730
2731 if ($exit->valid) {
1958 $exit->slaying ("?random/$md5"); 2732 $exit->slaying ("?random/$md5");
1959 $exit->msg (undef); 2733 $exit->msg (undef);
2734 }
1960 } 2735 }
1961} 2736}
1962 2737
1963sub cf::object::player::enter_exit { 2738sub cf::object::player::enter_exit {
1964 my ($self, $exit) = @_; 2739 my ($self, $exit) = @_;
1965 2740
1966 return unless $self->type == cf::PLAYER; 2741 return unless $self->type == cf::PLAYER;
1967 2742
1968 if ($exit->slaying eq "/!") {
1969 #TODO: this should de-fi-ni-te-ly not be a sync-job
1970 cf::sync_job { prepare_random_map $exit };
1971 }
1972
1973 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974 my $hp = $exit->stats->hp;
1975 my $sp = $exit->stats->sp;
1976
1977 $self->enter_link; 2743 $self->enter_link;
1978 2744
1979 (async { 2745 (async {
1980 $self->deactivate_recursive; # just to be sure 2746 $Coro::current->{desc} = "enter_exit";
2747
1981 unless (eval { 2748 unless (eval {
2749 $self->deactivate_recursive; # just to be sure
2750
2751 # random map handling
2752 {
2753 my $guard = cf::lock_acquire "exit_prepare:$exit";
2754
2755 prepare_random_map $exit
2756 if $exit->slaying eq "/!";
2757 }
2758
2759 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2760 my $x = $exit->stats->hp;
2761 my $y = $exit->stats->sp;
2762
1982 $self->goto ($slaying, $hp, $sp); 2763 $self->goto ($map, $x, $y);
1983 2764
2765 # if exit is damned, update players death & WoR home-position
2766 $self->contr->savebed ($map, $x, $y)
2767 if $exit->flag (cf::FLAG_DAMNED);
2768
1984 1; 2769 1
1985 }) { 2770 }) {
1986 $self->message ("Something went wrong deep within the crossfire server. " 2771 $self->message ("Something went wrong deep within the crossfire server. "
1987 . "I'll try to bring you back to the map you were before. " 2772 . "I'll try to bring you back to the map you were before. "
1988 . "Please report this to the dungeon master!", 2773 . "Please report this to the dungeon master!",
1989 cf::NDI_UNIQUE | cf::NDI_RED); 2774 cf::NDI_UNIQUE | cf::NDI_RED);
1990 2775
1991 warn "ERROR in enter_exit: $@"; 2776 warn "ERROR in enter_exit: $@";
1992 $self->leave_link; 2777 $self->leave_link;
1993 } 2778 }
1994 })->prio (1); 2779 })->prio (1);
2010 2795
2011 utf8::encode $text; 2796 utf8::encode $text;
2012 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2797 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013} 2798}
2014 2799
2800=item $client->send_msg ($channel, $msg, $color, [extra...])
2801
2802Send a drawinfo or msg packet to the client, formatting the msg for the
2803client if neccessary. C<$type> should be a string identifying the type of
2804the message, with C<log> being the default. If C<$color> is negative, suppress
2805the message unless the client supports the msg packet.
2806
2807=cut
2808
2809# non-persistent channels (usually the info channel)
2810our %CHANNEL = (
2811 "c/identify" => {
2812 id => "infobox",
2813 title => "Identify",
2814 reply => undef,
2815 tooltip => "Items recently identified",
2816 },
2817 "c/examine" => {
2818 id => "infobox",
2819 title => "Examine",
2820 reply => undef,
2821 tooltip => "Signs and other items you examined",
2822 },
2823 "c/book" => {
2824 id => "infobox",
2825 title => "Book",
2826 reply => undef,
2827 tooltip => "The contents of a note or book",
2828 },
2829 "c/lookat" => {
2830 id => "infobox",
2831 title => "Look",
2832 reply => undef,
2833 tooltip => "What you saw there",
2834 },
2835 "c/who" => {
2836 id => "infobox",
2837 title => "Players",
2838 reply => undef,
2839 tooltip => "Shows players who are currently online",
2840 },
2841 "c/body" => {
2842 id => "infobox",
2843 title => "Body Parts",
2844 reply => undef,
2845 tooltip => "Shows which body parts you posess and are available",
2846 },
2847 "c/uptime" => {
2848 id => "infobox",
2849 title => "Uptime",
2850 reply => undef,
2851 tooltip => "How long the server has been running since last restart",
2852 },
2853 "c/mapinfo" => {
2854 id => "infobox",
2855 title => "Map Info",
2856 reply => undef,
2857 tooltip => "Information related to the maps",
2858 },
2859 "c/party" => {
2860 id => "party",
2861 title => "Party",
2862 reply => "gsay ",
2863 tooltip => "Messages and chat related to your party",
2864 },
2865);
2866
2867sub cf::client::send_msg {
2868 my ($self, $channel, $msg, $color, @extra) = @_;
2869
2870 $msg = $self->pl->expand_cfpod ($msg);
2871
2872 $color &= cf::NDI_CLIENT_MASK; # just in case...
2873
2874 # check predefined channels, for the benefit of C
2875 if ($CHANNEL{$channel}) {
2876 $channel = $CHANNEL{$channel};
2877
2878 $self->ext_msg (channel_info => $channel)
2879 if $self->can_msg;
2880
2881 $channel = $channel->{id};
2882
2883 } elsif (ref $channel) {
2884 # send meta info to client, if not yet sent
2885 unless (exists $self->{channel}{$channel->{id}}) {
2886 $self->{channel}{$channel->{id}} = $channel;
2887 $self->ext_msg (channel_info => $channel)
2888 if $self->can_msg;
2889 }
2890
2891 $channel = $channel->{id};
2892 }
2893
2894 return unless @extra || length $msg;
2895
2896 if ($self->can_msg) {
2897 # default colour, mask it out
2898 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899 if $color & cf::NDI_DEF;
2900
2901 $self->send_packet ("msg " . $self->{json_coder}->encode (
2902 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2903 } else {
2904 if ($color >= 0) {
2905 # replace some tags by gcfclient-compatible ones
2906 for ($msg) {
2907 1 while
2908 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913 }
2914
2915 $color &= cf::NDI_COLOR_MASK;
2916
2917 utf8::encode $msg;
2918
2919 if (0 && $msg =~ /\[/) {
2920 # COMMAND/INFO
2921 $self->send_packet ("drawextinfo $color 10 8 $msg")
2922 } else {
2923 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924 $self->send_packet ("drawinfo $color $msg")
2925 }
2926 }
2927 }
2928}
2929
2015=item $client->ext_event ($type, %msg) 2930=item $client->ext_msg ($type, @msg)
2016 2931
2017Sends an exti event to the client. 2932Sends an ext event to the client.
2018 2933
2019=cut 2934=cut
2020 2935
2021sub cf::client::ext_event($$%) { 2936sub cf::client::ext_msg($$@) {
2022 my ($self, $type, %msg) = @_; 2937 my ($self, $type, @msg) = @_;
2023 2938
2939 if ($self->extcmd == 2) {
2940 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941 } elsif ($self->extcmd == 1) { # TODO: remove
2024 $msg{msgtype} = "event_$type"; 2942 push @msg, msgtype => "event_$type";
2025 $self->send_packet ("ext " . cf::to_json \%msg); 2943 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944 }
2945}
2946
2947=item $client->ext_reply ($msgid, @msg)
2948
2949Sends an ext reply to the client.
2950
2951=cut
2952
2953sub cf::client::ext_reply($$@) {
2954 my ($self, $id, @msg) = @_;
2955
2956 if ($self->extcmd == 2) {
2957 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958 } elsif ($self->extcmd == 1) {
2959 #TODO: version 1, remove
2960 unshift @msg, msgtype => "reply", msgid => $id;
2961 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962 }
2026} 2963}
2027 2964
2028=item $success = $client->query ($flags, "text", \&cb) 2965=item $success = $client->query ($flags, "text", \&cb)
2029 2966
2030Queues a query to the client, calling the given callback with 2967Queues a query to the client, calling the given callback with
2031the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2968the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2969C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033 2970
2034Queries can fail, so check the return code. Or don't, as queries will become 2971Queries can fail, so check the return code. Or don't, as queries will
2035reliable at some point in the future. 2972become reliable at some point in the future.
2036 2973
2037=cut 2974=cut
2038 2975
2039sub cf::client::query { 2976sub cf::client::query {
2040 my ($self, $flags, $text, $cb) = @_; 2977 my ($self, $flags, $text, $cb) = @_;
2048 utf8::encode $text; 2985 utf8::encode $text;
2049 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2986 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050 2987
2051 $self->send_packet ($self->{query_queue}[0][0]) 2988 $self->send_packet ($self->{query_queue}[0][0])
2052 if @{ $self->{query_queue} } == 1; 2989 if @{ $self->{query_queue} } == 1;
2990
2991 1
2053} 2992}
2054 2993
2055cf::client->attach ( 2994cf::client->attach (
2995 on_connect => sub {
2996 my ($ns) = @_;
2997
2998 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2999 },
2056 on_reply => sub { 3000 on_reply => sub {
2057 my ($ns, $msg) = @_; 3001 my ($ns, $msg) = @_;
2058 3002
2059 # this weird shuffling is so that direct followup queries 3003 # this weird shuffling is so that direct followup queries
2060 # get handled first 3004 # get handled first
2072 } else { 3016 } else {
2073 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3017 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074 } 3018 }
2075 } 3019 }
2076 }, 3020 },
3021 on_exticmd => sub {
3022 my ($ns, $buf) = @_;
3023
3024 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3025
3026 if (ref $msg) {
3027 my ($type, $reply, @payload) =
3028 "ARRAY" eq ref $msg
3029 ? @$msg
3030 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3031
3032 my @reply;
3033
3034 if (my $cb = $EXTICMD{$type}) {
3035 @reply = $cb->($ns, @payload);
3036 }
3037
3038 $ns->ext_reply ($reply, @reply)
3039 if $reply;
3040
3041 } else {
3042 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3043 }
3044
3045 cf::override;
3046 },
2077); 3047);
2078 3048
2079=item $client->async (\&cb) 3049=item $client->async (\&cb)
2080 3050
2081Create a new coroutine, running the specified callback. The coroutine will 3051Create a new coroutine, running the specified callback. The coroutine will
2122our $safe = new Safe "safe"; 3092our $safe = new Safe "safe";
2123our $safe_hole = new Safe::Hole; 3093our $safe_hole = new Safe::Hole;
2124 3094
2125$SIG{FPE} = 'IGNORE'; 3095$SIG{FPE} = 'IGNORE';
2126 3096
2127$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3097$safe->permit_only (Opcode::opset qw(
3098 :base_core :base_mem :base_orig :base_math
3099 grepstart grepwhile mapstart mapwhile
3100 sort time
3101));
2128 3102
2129# here we export the classes and methods available to script code 3103# here we export the classes and methods available to script code
2130 3104
2131=pod 3105=pod
2132 3106
2133The following functions and methods are available within a safe environment: 3107The following functions and methods are available within a safe environment:
2134 3108
2135 cf::object contr pay_amount pay_player map 3109 cf::object
3110 contr pay_amount pay_player map x y force_find force_add destroy
3111 insert remove name archname title slaying race decrease split
3112
2136 cf::object::player player 3113 cf::object::player
2137 cf::player peaceful 3114 player
2138 cf::map trigger 3115
3116 cf::player
3117 peaceful
3118
3119 cf::map
3120 trigger
2139 3121
2140=cut 3122=cut
2141 3123
2142for ( 3124for (
2143 ["cf::object" => qw(contr pay_amount pay_player map)], 3125 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3126 insert remove inv name archname title slaying race
3127 decrease split destroy)],
2144 ["cf::object::player" => qw(player)], 3128 ["cf::object::player" => qw(player)],
2145 ["cf::player" => qw(peaceful)], 3129 ["cf::player" => qw(peaceful)],
2146 ["cf::map" => qw(trigger)], 3130 ["cf::map" => qw(trigger)],
2147) { 3131) {
2148 no strict 'refs'; 3132 no strict 'refs';
2219=back 3203=back
2220 3204
2221=cut 3205=cut
2222 3206
2223############################################################################# 3207#############################################################################
2224
2225=head2 EXTENSION DATABASE SUPPORT
2226
2227Crossfire maintains a very simple database for extension use. It can
2228currently store anything that can be serialised using Storable, which
2229excludes objects.
2230
2231The parameter C<$family> should best start with the name of the extension
2232using it, it should be unique.
2233
2234=over 4
2235
2236=item $value = cf::db_get $family => $key
2237
2238Returns a single value from the database.
2239
2240=item cf::db_put $family => $key => $value
2241
2242Stores the given C<$value> in the family.
2243
2244=cut
2245
2246our $DB;
2247
2248sub db_init {
2249 unless ($DB) {
2250 $DB = BDB::db_create $DB_ENV;
2251
2252 cf::sync_job {
2253 eval {
2254 $DB->set_flags (BDB::CHKSUM);
2255
2256 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258 cf::cleanup "db_open(db): $!" if $!;
2259 };
2260 cf::cleanup "db_open(db): $@" if $@;
2261 };
2262
2263 my $path = cf::localdir . "/database.pst";
2264 if (stat $path) {
2265 cf::sync_job {
2266 my $pst = Storable::retrieve $path;
2267
2268 cf::db_put (board => data => $pst->{board});
2269 cf::db_put (guildrules => data => $pst->{guildrules});
2270 cf::db_put (rent => balance => $pst->{rent}{balance});
2271 BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273 unlink $path;
2274 };
2275 }
2276 }
2277}
2278
2279sub db_get($$) {
2280 my $key = "$_[0]/$_[1]";
2281
2282 cf::sync_job {
2283 BDB::db_get $DB, undef, $key, my $data;
2284
2285 $! ? ()
2286 : Compress::LZF::sthaw $data
2287 }
2288}
2289
2290sub db_put($$$) {
2291 BDB::dbreq_pri 4;
2292 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293}
2294
2295#############################################################################
2296# the server's init and main functions 3208# the server's init and main functions
2297 3209
2298sub load_facedata { 3210sub load_facedata($) {
2299 my $path = sprintf "%s/facedata", cf::datadir; 3211 my ($path) = @_;
3212
3213 # HACK to clear player env face cache, we need some signal framework
3214 # for this (global event?)
3215 %ext::player_env::MUSIC_FACE_CACHE = ();
3216
3217 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300 3218
2301 warn "loading facedata from $path\n"; 3219 warn "loading facedata from $path\n";
2302 3220
2303 my $faces; 3221 my $facedata;
2304 0 < aio_load $path, $faces 3222 0 < aio_load $path, $facedata
2305 or die "$path: $!"; 3223 or die "$path: $!";
2306 3224
2307 Coro::cede;
2308 $faces = Storable::thaw $faces; 3225 $facedata = Coro::Storable::thaw $facedata;
2309 Coro::cede;
2310 3226
2311 my $meta = delete $faces->{""};
2312 $meta->{version} == 1 3227 $facedata->{version} == 2
2313 or cf::cleanup "$path: version mismatch, cannot proceed."; 3228 or cf::cleanup "$path: version mismatch, cannot proceed.";
2314 3229
3230 # patch in the exptable
3231 $facedata->{resource}{"res/exp_table"} = {
3232 type => FT_RSRC,
3233 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3234 };
3235 cf::cede_to_tick;
3236
3237 {
3238 my $faces = $facedata->{faceinfo};
3239
2315 while (my ($face, $info) = each %$faces) { 3240 while (my ($face, $info) = each %$faces) {
2316 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3241 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3242
3243 cf::face::set_visibility $idx, $info->{visibility};
3244 cf::face::set_magicmap $idx, $info->{magicmap};
2318 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3245 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3246 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320 Coro::cede;
2321 }
2322 3247
3248 cf::cede_to_tick;
3249 }
3250
2323 while (my ($face, $info) = each %$faces) { 3251 while (my ($face, $info) = each %$faces) {
2324 next unless $info->{smooth}; 3252 next unless $info->{smooth};
3253
2325 my $idx = cf::face::find $face 3254 my $idx = cf::face::find $face
2326 or next; 3255 or next;
3256
2327 if (my $smooth = cf::face::find $info->{smooth}) { 3257 if (my $smooth = cf::face::find $info->{smooth}) {
2328 cf::face::set_smooth $idx, $smooth; 3258 cf::face::set_smooth $idx, $smooth;
3259 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329 } else { 3260 } else {
2330 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3261 warn "smooth face '$info->{smooth}' not found for face '$face'";
2331 } 3262 }
2332 Coro::cede; 3263
3264 cf::cede_to_tick;
3265 }
3266 }
3267
2333 } 3268 {
3269 my $anims = $facedata->{animinfo};
3270
3271 while (my ($anim, $info) = each %$anims) {
3272 cf::anim::set $anim, $info->{frames}, $info->{facings};
3273 cf::cede_to_tick;
3274 }
3275
3276 cf::anim::invalidate_all; # d'oh
3277 }
3278
3279 {
3280 # TODO: for gcfclient pleasure, we should give resources
3281 # that gcfclient doesn't grok a >10000 face index.
3282 my $res = $facedata->{resource};
3283
3284 while (my ($name, $info) = each %$res) {
3285 if (defined $info->{type}) {
3286 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287 my $data;
3288
3289 if ($info->{type} & 1) {
3290 # prepend meta info
3291
3292 my $meta = $enc->encode ({
3293 name => $name,
3294 %{ $info->{meta} || {} },
3295 });
3296
3297 $data = pack "(w/a*)*", $meta, $info->{data};
3298 } else {
3299 $data = $info->{data};
3300 }
3301
3302 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303 cf::face::set_type $idx, $info->{type};
3304 } else {
3305 $RESOURCE{$name} = $info;
3306 }
3307
3308 cf::cede_to_tick;
3309 }
3310 }
3311
3312 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334 3313
2335 1 3314 1
2336} 3315}
2337 3316
3317cf::global->attach (on_resource_update => sub {
3318 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3319 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3320
3321 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3322 my $sound = $soundconf->{compat}[$_]
3323 or next;
3324
3325 my $face = cf::face::find "sound/$sound->[1]";
3326 cf::sound::set $sound->[0] => $face;
3327 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3328 }
3329
3330 while (my ($k, $v) = each %{$soundconf->{event}}) {
3331 my $face = cf::face::find "sound/$v";
3332 cf::sound::set $k => $face;
3333 }
3334 }
3335});
3336
3337register_exticmd fx_want => sub {
3338 my ($ns, $want) = @_;
3339
3340 while (my ($k, $v) = each %$want) {
3341 $ns->fx_want ($k, $v);
3342 }
3343};
3344
3345sub load_resource_file($) {
3346 my $guard = lock_acquire "load_resource_file";
3347
3348 my $status = load_resource_file_ $_[0];
3349 get_slot 0.1, 100;
3350 cf::arch::commit_load;
3351
3352 $status
3353}
3354
3355sub reload_regions {
3356 # HACK to clear player env face cache, we need some signal framework
3357 # for this (global event?)
3358 %ext::player_env::MUSIC_FACE_CACHE = ();
3359
3360 load_resource_file "$MAPDIR/regions"
3361 or die "unable to load regions file\n";
3362
3363 for (cf::region::list) {
3364 $_->{match} = qr/$_->{match}/
3365 if exists $_->{match};
3366 }
3367}
3368
3369sub reload_facedata {
3370 load_facedata "$DATADIR/facedata"
3371 or die "unable to load facedata\n";
3372}
3373
3374sub reload_archetypes {
3375 load_resource_file "$DATADIR/archetypes"
3376 or die "unable to load archetypes\n";
3377}
3378
3379sub reload_treasures {
3380 load_resource_file "$DATADIR/treasures"
3381 or die "unable to load treasurelists\n";
3382}
3383
2338sub reload_resources { 3384sub reload_resources {
2339 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3385 warn "reloading resource files...\n";
2340 or die "unable to load regions file\n";#d# 3386
2341 load_facedata 3387 reload_facedata;
2342 or die "unable to load facedata\n";#d# 3388 reload_archetypes;
3389 reload_regions;
3390 reload_treasures;
3391
3392 warn "finished reloading resource files\n";
2343} 3393}
2344 3394
2345sub init { 3395sub init {
3396 my $guard = freeze_mainloop;
3397
2346 reload_resources; 3398 reload_resources;
2347} 3399}
2348 3400
2349sub cfg_load { 3401sub reload_config {
2350 open my $fh, "<:utf8", cf::confdir . "/config" 3402 open my $fh, "<:utf8", "$CONFDIR/config"
2351 or return; 3403 or return;
2352 3404
2353 local $/; 3405 local $/;
2354 *CFG = YAML::Syck::Load <$fh>; 3406 *CFG = YAML::Load <$fh>;
2355 3407
2356 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3408 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357 3409
2358 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3410 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3411 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2370sub main { 3422sub main {
2371 # we must not ever block the main coroutine 3423 # we must not ever block the main coroutine
2372 local $Coro::idle = sub { 3424 local $Coro::idle = sub {
2373 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3425 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374 (async { 3426 (async {
2375 Event::one_event; 3427 $Coro::current->{desc} = "IDLE BUG HANDLER";
3428 EV::loop EV::LOOP_ONESHOT;
2376 })->prio (Coro::PRIO_MAX); 3429 })->prio (Coro::PRIO_MAX);
2377 }; 3430 };
2378 3431
2379 cfg_load; 3432 {
3433 my $guard = freeze_mainloop;
3434 reload_config;
2380 db_init; 3435 db_init;
2381 load_extensions; 3436 load_extensions;
2382 3437
2383 $TICK_WATCHER->start; 3438 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3439 evthread_start IO::AIO::poll_fileno;
3440 }
3441
2384 Event::loop; 3442 EV::loop;
2385} 3443}
2386 3444
2387############################################################################# 3445#############################################################################
2388# initialisation and cleanup 3446# initialisation and cleanup
2389 3447
2390# install some emergency cleanup handlers 3448# install some emergency cleanup handlers
2391BEGIN { 3449BEGIN {
3450 our %SIGWATCHER = ();
2392 for my $signal (qw(INT HUP TERM)) { 3451 for my $signal (qw(INT HUP TERM)) {
2393 Event->signal ( 3452 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2394 reentrant => 0,
2395 data => WF_AUTOCANCEL,
2396 signal => $signal,
2397 prio => 0,
2398 cb => sub {
2399 cf::cleanup "SIG$signal"; 3453 cf::cleanup "SIG$signal";
2400 },
2401 ); 3454 };
3455 }
3456}
3457
3458sub write_runtime_sync {
3459 my $runtime = "$LOCALDIR/runtime";
3460
3461 # first touch the runtime file to show we are still running:
3462 # the fsync below can take a very very long time.
3463
3464 IO::AIO::aio_utime $runtime, undef, undef;
3465
3466 my $guard = cf::lock_acquire "write_runtime";
3467
3468 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3469 or return;
3470
3471 my $value = $cf::RUNTIME + 90 + 10;
3472 # 10 is the runtime save interval, for a monotonic clock
3473 # 60 allows for the watchdog to kill the server.
3474
3475 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3476 and return;
3477
3478 # always fsync - this file is important
3479 aio_fsync $fh
3480 and return;
3481
3482 # touch it again to show we are up-to-date
3483 aio_utime $fh, undef, undef;
3484
3485 close $fh
3486 or return;
3487
3488 aio_rename "$runtime~", $runtime
3489 and return;
3490
3491 warn "runtime file written.\n";
3492
2402 } 3493 1
3494}
3495
3496our $uuid_lock;
3497our $uuid_skip;
3498
3499sub write_uuid_sync($) {
3500 $uuid_skip ||= $_[0];
3501
3502 return if $uuid_lock;
3503 local $uuid_lock = 1;
3504
3505 my $uuid = "$LOCALDIR/uuid";
3506
3507 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508 or return;
3509
3510 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3511 $uuid_skip = 0;
3512
3513 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3514 and return;
3515
3516 # always fsync - this file is important
3517 aio_fsync $fh
3518 and return;
3519
3520 close $fh
3521 or return;
3522
3523 aio_rename "$uuid~", $uuid
3524 and return;
3525
3526 warn "uuid file written ($value).\n";
3527
3528 1
3529
3530}
3531
3532sub write_uuid($$) {
3533 my ($skip, $sync) = @_;
3534
3535 $sync ? write_uuid_sync $skip
3536 : async { write_uuid_sync $skip };
2403} 3537}
2404 3538
2405sub emergency_save() { 3539sub emergency_save() {
2406 my $freeze_guard = cf::freeze_mainloop; 3540 my $freeze_guard = cf::freeze_mainloop;
2407 3541
2413 # and maps saved/destroyed asynchronously. 3547 # and maps saved/destroyed asynchronously.
2414 warn "begin emergency player save\n"; 3548 warn "begin emergency player save\n";
2415 for my $login (keys %cf::PLAYER) { 3549 for my $login (keys %cf::PLAYER) {
2416 my $pl = $cf::PLAYER{$login} or next; 3550 my $pl = $cf::PLAYER{$login} or next;
2417 $pl->valid or next; 3551 $pl->valid or next;
3552 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418 $pl->save; 3553 $pl->save;
2419 } 3554 }
2420 warn "end emergency player save\n"; 3555 warn "end emergency player save\n";
2421 3556
2422 warn "begin emergency map save\n"; 3557 warn "begin emergency map save\n";
2428 warn "end emergency map save\n"; 3563 warn "end emergency map save\n";
2429 3564
2430 warn "begin emergency database checkpoint\n"; 3565 warn "begin emergency database checkpoint\n";
2431 BDB::db_env_txn_checkpoint $DB_ENV; 3566 BDB::db_env_txn_checkpoint $DB_ENV;
2432 warn "end emergency database checkpoint\n"; 3567 warn "end emergency database checkpoint\n";
3568
3569 warn "begin write uuid\n";
3570 write_uuid_sync 1;
3571 warn "end write uuid\n";
2433 }; 3572 };
2434 3573
2435 warn "leave emergency perl save\n"; 3574 warn "leave emergency perl save\n";
2436} 3575}
2437 3576
2440 3579
2441 warn Carp::longmess "post_cleanup backtrace" 3580 warn Carp::longmess "post_cleanup backtrace"
2442 if $make_core; 3581 if $make_core;
2443} 3582}
2444 3583
2445sub reload() { 3584sub do_reload_perl() {
2446 # can/must only be called in main 3585 # can/must only be called in main
2447 if ($Coro::current != $Coro::main) { 3586 if ($Coro::current != $Coro::main) {
2448 warn "can only reload from main coroutine"; 3587 warn "can only reload from main coroutine";
2449 return; 3588 return;
2450 } 3589 }
2452 warn "reloading..."; 3591 warn "reloading...";
2453 3592
2454 warn "entering sync_job"; 3593 warn "entering sync_job";
2455 3594
2456 cf::sync_job { 3595 cf::sync_job {
2457 cf::write_runtime; # external watchdog should not bark 3596 cf::write_runtime_sync; # external watchdog should not bark
2458 cf::emergency_save; 3597 cf::emergency_save;
2459 cf::write_runtime; # external watchdog should not bark 3598 cf::write_runtime_sync; # external watchdog should not bark
2460 3599
2461 warn "syncing database to disk"; 3600 warn "syncing database to disk";
2462 BDB::db_env_txn_checkpoint $DB_ENV; 3601 BDB::db_env_txn_checkpoint $DB_ENV;
2463 3602
2464 # if anything goes wrong in here, we should simply crash as we already saved 3603 # if anything goes wrong in here, we should simply crash as we already saved
2465
2466 warn "cancelling all WF_AUTOCANCEL watchers";
2467 for (Event::all_watchers) {
2468 $_->cancel if $_->data & WF_AUTOCANCEL;
2469 }
2470 3604
2471 warn "flushing outstanding aio requests"; 3605 warn "flushing outstanding aio requests";
2472 for (;;) { 3606 for (;;) {
2473 BDB::flush; 3607 BDB::flush;
2474 IO::AIO::flush; 3608 IO::AIO::flush;
2475 Coro::cede; 3609 Coro::cede_notself;
2476 last unless IO::AIO::nreqs || BDB::nreqs; 3610 last unless IO::AIO::nreqs || BDB::nreqs;
2477 warn "iterate..."; 3611 warn "iterate...";
2478 } 3612 }
2479 3613
2480 ++$RELOAD; 3614 ++$RELOAD;
2484 %EXT_CORO = (); 3618 %EXT_CORO = ();
2485 3619
2486 warn "removing commands"; 3620 warn "removing commands";
2487 %COMMAND = (); 3621 %COMMAND = ();
2488 3622
2489 warn "removing ext commands"; 3623 warn "removing ext/exti commands";
2490 %EXTCMD = (); 3624 %EXTCMD = ();
3625 %EXTICMD = ();
2491 3626
2492 warn "unloading/nuking all extensions"; 3627 warn "unloading/nuking all extensions";
2493 for my $pkg (@EXTS) { 3628 for my $pkg (@EXTS) {
2494 warn "... unloading $pkg"; 3629 warn "... unloading $pkg";
2495 3630
2525 Symbol::delete_package "safe::$_" 3660 Symbol::delete_package "safe::$_"
2526 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3661 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527 3662
2528 warn "unloading cf.pm \"a bit\""; 3663 warn "unloading cf.pm \"a bit\"";
2529 delete $INC{"cf.pm"}; 3664 delete $INC{"cf.pm"};
3665 delete $INC{"cf/pod.pm"};
2530 3666
2531 # don't, removes xs symbols, too, 3667 # don't, removes xs symbols, too,
2532 # and global variables created in xs 3668 # and global variables created in xs
2533 #Symbol::delete_package __PACKAGE__; 3669 #Symbol::delete_package __PACKAGE__;
2534 3670
2537 warn "reloading cf.pm"; 3673 warn "reloading cf.pm";
2538 require cf; 3674 require cf;
2539 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3675 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540 3676
2541 warn "loading config and database again"; 3677 warn "loading config and database again";
2542 cf::cfg_load; 3678 cf::reload_config;
2543 3679
2544 warn "loading extensions"; 3680 warn "loading extensions";
2545 cf::load_extensions; 3681 cf::load_extensions;
2546 3682
2547 warn "reattaching attachments to objects/players"; 3683 warn "reattaching attachments to objects/players";
2549 warn "reattaching attachments to maps"; 3685 warn "reattaching attachments to maps";
2550 reattach $_ for values %MAP; 3686 reattach $_ for values %MAP;
2551 warn "reattaching attachments to players"; 3687 warn "reattaching attachments to players";
2552 reattach $_ for values %PLAYER; 3688 reattach $_ for values %PLAYER;
2553 3689
2554 warn "loading reloadable resources";
2555 reload_resources;
2556
2557 warn "leaving sync_job"; 3690 warn "leaving sync_job";
2558 3691
2559 1 3692 1
2560 } or do { 3693 } or do {
2561 warn $@; 3694 warn $@;
2562 warn "error while reloading, exiting."; 3695 cf::cleanup "error while reloading, exiting.";
2563 exit 1;
2564 }; 3696 };
2565 3697
2566 warn "reloaded"; 3698 warn "reloaded";
2567}; 3699};
2568 3700
2569our $RELOAD_WATCHER; # used only during reload 3701our $RELOAD_WATCHER; # used only during reload
2570 3702
3703sub reload_perl() {
3704 # doing reload synchronously and two reloads happen back-to-back,
3705 # coro crashes during coro_state_free->destroy here.
3706
3707 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3708 do_reload_perl;
3709 undef $RELOAD_WATCHER;
3710 };
3711}
3712
2571register_command "reload" => sub { 3713register_command "reload" => sub {
2572 my ($who, $arg) = @_; 3714 my ($who, $arg) = @_;
2573 3715
2574 if ($who->flag (FLAG_WIZ)) { 3716 if ($who->flag (FLAG_WIZ)) {
2575 $who->message ("reloading server."); 3717 $who->message ("reloading server.");
2576 3718 async {
2577 # doing reload synchronously and two reloads happen back-to-back, 3719 $Coro::current->{desc} = "perl_reload";
2578 # coro crashes during coro_state_free->destroy here.
2579
2580 $RELOAD_WATCHER ||= Event->timer (
2581 reentrant => 0,
2582 after => 0,
2583 data => WF_AUTOCANCEL,
2584 cb => sub {
2585 reload; 3720 reload_perl;
2586 undef $RELOAD_WATCHER;
2587 },
2588 ); 3721 };
2589 } 3722 }
2590}; 3723};
2591 3724
2592unshift @INC, $LIBDIR; 3725unshift @INC, $LIBDIR;
2593 3726
2594my $bug_warning = 0; 3727my $bug_warning = 0;
2595 3728
2596$TICK_WATCHER = Event->timer ( 3729our @WAIT_FOR_TICK;
2597 reentrant => 0, 3730our @WAIT_FOR_TICK_BEGIN;
2598 parked => 1, 3731
2599 prio => 0, 3732sub wait_for_tick {
2600 at => $NEXT_TICK || $TICK, 3733 return if tick_inhibit || $Coro::current == $Coro::main;
2601 data => WF_AUTOCANCEL, 3734
2602 cb => sub { 3735 my $signal = new Coro::Signal;
3736 push @WAIT_FOR_TICK, $signal;
3737 $signal->wait;
3738}
3739
3740sub wait_for_tick_begin {
3741 return if tick_inhibit || $Coro::current == $Coro::main;
3742
3743 my $signal = new Coro::Signal;
3744 push @WAIT_FOR_TICK_BEGIN, $signal;
3745 $signal->wait;
3746}
3747
3748sub tick {
2603 if ($Coro::current != $Coro::main) { 3749 if ($Coro::current != $Coro::main) {
2604 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3750 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605 unless ++$bug_warning > 10; 3751 unless ++$bug_warning > 10;
2606 return; 3752 return;
2607 } 3753 }
2608 3754
2609 $NOW = Event::time;
2610
2611 cf::server_tick; # one server iteration 3755 cf::server_tick; # one server iteration
2612 $RUNTIME += $TICK;
2613 $NEXT_TICK += $TICK;
2614 3756
2615 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3757 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616 $NEXT_RUNTIME_WRITE = $NOW + 10; 3758 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617 Coro::async_pool { 3759 Coro::async_pool {
3760 $Coro::current->{desc} = "runtime saver";
2618 write_runtime 3761 write_runtime_sync
2619 or warn "ERROR: unable to write runtime file: $!"; 3762 or warn "ERROR: unable to write runtime file: $!";
2620 };
2621 } 3763 };
2622
2623 $WAIT_FOR_TICK->broadcast;
2624 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626# my $AFTER = Event::time;
2627# warn $AFTER - $NOW;#d#
2628
2629 # if we are delayed by four ticks or more, skip them all
2630 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632 $TICK_WATCHER->at ($NEXT_TICK);
2633 $TICK_WATCHER->start;
2634 }, 3764 }
2635); 3765
3766 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3767 $sig->send;
3768 }
3769 while (my $sig = shift @WAIT_FOR_TICK) {
3770 $sig->send;
3771 }
3772
3773 $LOAD = ($NOW - $TICK_START) / $TICK;
3774 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3775
3776 if (0) {
3777 if ($NEXT_TICK) {
3778 my $jitter = $TICK_START - $NEXT_TICK;
3779 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3780 warn "jitter $JITTER\n";#d#
3781 }
3782 }
3783}
2636 3784
2637{ 3785{
2638 BDB::max_poll_time $TICK * 0.1; 3786 # configure BDB
2639 $BDB_POLL_WATCHER = Event->io ( 3787
2640 reentrant => 0,
2641 fd => BDB::poll_fileno,
2642 poll => 'r',
2643 prio => 0,
2644 data => WF_AUTOCANCEL,
2645 cb => \&BDB::poll_cb,
2646 );
2647 BDB::min_parallel 8; 3788 BDB::min_parallel 8;
2648 3789 BDB::max_poll_reqs $TICK * 0.1;
2649 BDB::set_sync_prepare { 3790 $Coro::BDB::WATCHER->priority (1);
2650 my $status;
2651 my $current = $Coro::current;
2652 (
2653 sub {
2654 $status = $!;
2655 $current->ready; undef $current;
2656 },
2657 sub {
2658 Coro::schedule while defined $current;
2659 $! = $status;
2660 },
2661 )
2662 };
2663 3791
2664 unless ($DB_ENV) { 3792 unless ($DB_ENV) {
2665 $DB_ENV = BDB::db_env_create; 3793 $DB_ENV = BDB::db_env_create;
3794 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3795 | BDB::LOG_AUTOREMOVE, 1);
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666 3798
2667 cf::sync_job { 3799 cf::sync_job {
2668 eval { 3800 eval {
2669 BDB::db_env_open 3801 BDB::db_env_open
2670 $DB_ENV, 3802 $DB_ENV,
2671 $BDB_ENV_DIR, 3803 $BDBDIR,
2672 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3804 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3805 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674 0666; 3806 0666;
2675 3807
2676 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3808 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679 $DB_ENV->set_lk_detect;
2680 }; 3809 };
2681 3810
2682 cf::cleanup "db_env_open(db): $@" if $@; 3811 cf::cleanup "db_env_open(db): $@" if $@;
2683 }; 3812 };
2684 } 3813 }
3814
3815 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3816 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3817 };
3818 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3819 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820 };
3821 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823 };
2685} 3824}
2686 3825
2687{ 3826{
3827 # configure IO::AIO
3828
2688 IO::AIO::min_parallel 8; 3829 IO::AIO::min_parallel 8;
2689
2690 undef $Coro::AIO::WATCHER;
2691 IO::AIO::max_poll_time $TICK * 0.1; 3830 IO::AIO::max_poll_time $TICK * 0.1;
2692 $AIO_POLL_WATCHER = Event->io ( 3831 $Coro::AIO::WATCHER->priority (1);
2693 reentrant => 0,
2694 data => WF_AUTOCANCEL,
2695 fd => IO::AIO::poll_fileno,
2696 poll => 'r',
2697 prio => 6,
2698 cb => \&IO::AIO::poll_cb,
2699 );
2700} 3832}
3833
3834my $_log_backtrace;
3835
3836sub _log_backtrace {
3837 my ($msg, @addr) = @_;
3838
3839 $msg =~ s/\n//;
3840
3841 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace;
3844 async {
3845 $Coro::current->{desc} = "abt $msg";
3846
3847 my @bt = fork_call {
3848 @addr = map { sprintf "%x", $_ } @addr;
3849 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3850 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3851 or die "addr2line: $!";
3852
3853 my @funcs;
3854 my @res = <$fh>;
3855 chomp for @res;
3856 while (@res) {
3857 my ($func, $line) = splice @res, 0, 2, ();
3858 push @funcs, "[$func] $line";
3859 }
3860
3861 @funcs
3862 };
3863
3864 LOG llevInfo, "[ABT] $msg\n";
3865 LOG llevInfo, "[ABT] $_\n" for @bt;
3866 --$_log_backtrace;
3867 };
3868 } else {
3869 LOG llevInfo, "[ABT] $msg\n";
3870 LOG llevInfo, "[ABT] [suppressed]\n";
3871 }
3872}
3873
3874# load additional modules
3875use cf::pod;
2701 3876
2702END { cf::emergency_save } 3877END { cf::emergency_save }
2703 3878
27041 38791
2705 3880

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