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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.5 (); 36use Coro ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::AnyEvent;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
43use Coro::AnyEvent;
18use Coro::AIO; 44use Coro::AIO;
45use Coro::BDB;
46use Coro::Storable;
47use Coro::Util ();
19 48
49use JSON::XS 2.01 ();
50use BDB ();
20use Data::Dumper; 51use Data::Dumper;
21use Digest::MD5; 52use Digest::MD5;
22use Fcntl; 53use Fcntl;
54use YAML ();
23use IO::AIO 2.32 (); 55use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 56use Time::HiRes;
57use Compress::LZF;
58use Digest::MD5 ();
26 59
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 60AnyEvent::detect;
61
62IO::AIO::max_poll_reqs 1;#d#
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28 71
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 73
36our %COMMAND = (); 74our %COMMAND = ();
37our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
38 76
39our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
43 82
83our $RELOAD; # number of reloads so far
44our @EVENT; 84our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 85
47our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
48our $TICK_WATCHER; 87our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 101our $NEXT_TICK;
52our $NOW; 102our $USE_FSYNC = 1; # use fsync to write maps - default off
103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER;
107our $DB_ENV;
53 108
54our %CFG; 109our %CFG;
55 110
56our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 112our $RUNTIME;
113our $NOW;
58 114
59our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 117our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 118
67# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
70binmode STDOUT; 127binmode STDOUT;
71binmode STDERR; 128binmode STDERR;
72 129
73# read virtual server time, if available 130# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
78} 135}
79 136
80mkdir cf::localdir; 137mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 139
86our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
141
142sub cf::map::normalise;
87 143
88############################################################################# 144#############################################################################
89 145
90=head2 GLOBAL VARIABLES 146=head2 GLOBAL VARIABLES
91 147
98=item $cf::RUNTIME 154=item $cf::RUNTIME
99 155
100The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 157every server tick.
102 158
103=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 162
105The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
107 167
108=item $cf::NOW 168=item $cf::NOW
109 169
110The time of the last (current) server tick. 170The time of the last (current) server tick.
111 171
112=item $cf::TICK 172=item $cf::TICK
113 173
114The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
115 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
116=item %cf::CFG 186=item %cf::CFG
117 187
118Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 189from wherever your confdir points to.
120 190
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
122 192
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 194returns directly I<after> the tick processing (and consequently, can only wake one process
125processing has been done. Call C<< ->wait >> on them to maximise the 195per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126window of cpu time available, or simply to synchronise to the server tick. 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
127 202
128=back 203=back
129 204
130=cut 205=cut
131 206
132BEGIN { 207BEGIN {
133 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 209 my $msg = join "", @_;
135 utf8::encode $msg;
136 210
137 $msg .= "\n" 211 $msg .= "\n"
138 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
139 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
140 LOG llevError, $msg; 216 LOG llevError, $msg;
141 }; 217 };
142} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
143 234
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 242
151# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 244# within the Safe compartment.
153for my $pkg (qw( 245for my $pkg (qw(
154 cf::global cf::attachable 246 cf::global cf::attachable
159)) { 251)) {
160 no strict 'refs'; 252 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 254}
163 255
164$Event::DIED = sub { 256$EV::DIED = sub {
165 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
166}; 258};
259
260#############################################################################
167 261
168=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
169 263
170=over 4 264=over 4
171 265
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 285 $d
192 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
193} 287}
194 288
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
198 290
199Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
200 292
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
209 294
210Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
211 296
212=cut 297=cut
213 298
214sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
216 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
217} 302sub decode_json($) { $json_coder->decode ($_[0]) }
218 303
219=item cf::lock_wait $string 304=item cf::lock_wait $string
220 305
221Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
222 307
225Wait until the given lock is available and then acquires it and returns 310Wait until the given lock is available and then acquires it and returns
226a Coro::guard object. If the guard object gets destroyed (goes out of scope, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
228returned. 313returned.
229 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
230Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
232 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
233=cut 325=cut
234 326
235our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
236 329
237sub lock_wait($) { 330sub lock_wait($) {
238 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
239 337
240 # wait for lock, if any 338 # wait for lock, if any
241 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 341 Coro::schedule;
249 347
250 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
251 lock_wait $key; 349 lock_wait $key;
252 350
253 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
254 353
255 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
258 } 358 }
259} 359}
260 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
261sub freeze_mainloop { 367sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
263 369
264 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
265 $TICK_WATCHER->start; 371}
266 $WRITE_RUNTIME_WATCHER->start; 372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
267 }; 431 }
268 $WRITE_RUNTIME_WATCHER->stop; 432};
269 $TICK_WATCHER->stop; 433
270 $guard 434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
271} 446}
272 447
273=item cf::async { BLOCK } 448=item cf::async { BLOCK }
274 449
275Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
280 455
281BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
282 457
283=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
284 459
285The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
288 464
289If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
292fast or be very important. 468fast or be very important.
295 471
296sub sync_job(&) { 472sub sync_job(&) {
297 my ($job) = @_; 473 my ($job) = @_;
298 474
299 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
300 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
302 480
303 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 482
305 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
306 484
307 my $busy = 1; 485 my $busy = 1;
308 my @res; 486 my @res;
309 487
310 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 490 @res = eval { $job->() };
312 warn $@ if $@; 491 warn $@ if $@;
313 undef $busy; 492 undef $busy;
314 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
315 494
316 while ($busy) { 495 while ($busy) {
317 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
318 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
319 506
320 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
321 } else { 508 } else {
322 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
323 510
343 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
344 531
345 $coro 532 $coro
346} 533}
347 534
348sub write_runtime { 535=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 536
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537Executes the given code block with the given arguments in a seperate
352 or return; 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
353 541
354 my $value = $cf::RUNTIME + 90 + 10; 542=cut
355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357 543
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544sub fork_call(&@) {
359 and return; 545 my ($cb, @args) = @_;
360 546
361 aio_fsync $fh 547 # we seemingly have to make a local copy of the whole thing,
362 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
363 550
364 close $fh 551 my @res = Coro::Util::fork_eval {
365 or return; 552 reset_signals;
553 &$cb
554 }, @args;
366 555
367 aio_rename "$runtime~", $runtime 556 wantarray ? @res : $res[-1]
368 and return; 557}
369 558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
370 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
711}
712
713=item cf::datalog type => key => value, ...
714
715Log a datalog packet of the given type with the given key-value pairs.
716
717=cut
718
719sub datalog($@) {
720 my ($type, %kv) = @_;
721 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 722}
372 723
373=back 724=back
374 725
375=cut 726=cut
382attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
383to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
384 735
385In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
386C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
387crossfire+). 738Deliantra).
388 739
389=over 4 740=over 4
390 741
391=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
392 743
555 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
556 907
557 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 912
562 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 914 my $pkg = shift @arg;
564 915
565 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
594 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
595 } 946 }
596 947
597 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
598 } else { 949 } else {
599 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
600 } 951 }
601 952
602 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
603} 954}
604 955
606 if (ref $_[0]) { 957 if (ref $_[0]) {
607 _object_attach @_; 958 _object_attach @_;
608 } else { 959 } else {
609 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
610 } 961 }
962 _recalc_want;
611}; 963};
612 964
613# all those should be optimised 965# all those should be optimised
614sub cf::attachable::detach { 966sub cf::attachable::detach {
615 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
618 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
619 reattach ($obj); 971 reattach ($obj);
620 } else { 972 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
622 } 974 }
975 _recalc_want;
623}; 976};
624 977
625sub cf::attachable::attached { 978sub cf::attachable::attached {
626 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
627 980
642 "; 995 ";
643 die if $@; 996 die if $@;
644} 997}
645 998
646our $override; 999our $override;
647our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648 1001
649sub override { 1002sub override {
650 $override = 1; 1003 $override = 1;
651 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
652} 1005}
653 1006
654sub do_invoke { 1007sub do_invoke {
655 my $event = shift; 1008 my $event = shift;
656 my $callbacks = shift; 1009 my $callbacks = shift;
657 1010
658 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
659 1012
660 local $override; 1013 local $override;
661 1014
662 for (@$callbacks) { 1015 for (@$callbacks) {
663 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
672 } 1025 }
673 1026
674 0 1027 0
675} 1028}
676 1029
677=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678 1031
679=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680 1033
681Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
682 1035
683This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
685results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686 1039
687=back 1040=back
688 1041
689=cut 1042=cut
690 1043
691############################################################################# 1044#############################################################################
692# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
693 1088
694sub reattach { 1089sub reattach {
695 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
696 my ($obj) = @_; 1091 my ($obj) = @_;
697 1092
718cf::attachable->attach ( 1113cf::attachable->attach (
719 prio => -1000000, 1114 prio => -1000000,
720 on_instantiate => sub { 1115 on_instantiate => sub {
721 my ($obj, $data) = @_; 1116 my ($obj, $data) = @_;
722 1117
723 $data = from_json $data; 1118 $data = decode_json $data;
724 1119
725 for (@$data) { 1120 for (@$data) {
726 my ($name, $args) = @$_; 1121 my ($name, $args) = @$_;
727 1122
728 $obj->attach ($name, %{$args || {} }); 1123 $obj->attach ($name, %{$args || {} });
744sub object_freezer_save { 1139sub object_freezer_save {
745 my ($filename, $rdata, $objs) = @_; 1140 my ($filename, $rdata, $objs) = @_;
746 1141
747 sync_job { 1142 sync_job {
748 if (length $$rdata) { 1143 if (length $$rdata) {
1144 utf8::decode (my $decname = $filename);
749 warn sprintf "saving %s (%d,%d)\n", 1145 warn sprintf "saving %s (%d,%d)\n",
750 $filename, length $$rdata, scalar @$objs; 1146 $decname, length $$rdata, scalar @$objs;
751 1147
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1148 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 1149 aio_chmod $fh, SAVE_MODE;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1150 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 1151 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 1152 aio_close $fh;
757 1153
758 if (@$objs) { 1154 if (@$objs) {
759 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1157 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 1158 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 1159 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 1160 aio_close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 1161 aio_rename "$filename.pst~", "$filename.pst";
766 } 1162 }
767 } else { 1163 } else {
768 aio_unlink "$filename.pst"; 1164 aio_unlink "$filename.pst";
769 } 1165 }
774 } 1170 }
775 } else { 1171 } else {
776 aio_unlink $filename; 1172 aio_unlink $filename;
777 aio_unlink "$filename.pst"; 1173 aio_unlink "$filename.pst";
778 } 1174 }
779 } 1175 };
780} 1176}
781 1177
782sub object_freezer_as_string { 1178sub object_freezer_as_string {
783 my ($rdata, $objs) = @_; 1179 my ($rdata, $objs) = @_;
784 1180
796 or return; 1192 or return;
797 1193
798 unless (aio_stat "$filename.pst") { 1194 unless (aio_stat "$filename.pst") {
799 (aio_load "$filename.pst", $av) >= 0 1195 (aio_load "$filename.pst", $av) >= 0
800 or return; 1196 or return;
1197
801 $av = eval { (Storable::thaw $av)->{objs} }; 1198 my $st = eval { Coro::Storable::thaw $av };
1199 $av = $st->{objs};
802 } 1200 }
803 1201
1202 utf8::decode (my $decname = $filename);
804 warn sprintf "loading %s (%d)\n", 1203 warn sprintf "loading %s (%d,%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 1204 $decname, length $data, scalar @{$av || []};
1205
806 return ($data, $av); 1206 ($data, $av)
807} 1207}
1208
1209=head2 COMMAND CALLBACKS
1210
1211=over 4
1212
1213=cut
808 1214
809############################################################################# 1215#############################################################################
810# command handling &c 1216# command handling &c
811 1217
812=item cf::register_command $name => \&callback($ob,$args); 1218=item cf::register_command $name => \&callback($ob,$args);
825 push @{ $COMMAND{$name} }, [$caller, $cb]; 1231 push @{ $COMMAND{$name} }, [$caller, $cb];
826} 1232}
827 1233
828=item cf::register_extcmd $name => \&callback($pl,$packet); 1234=item cf::register_extcmd $name => \&callback($pl,$packet);
829 1235
830Register a callbackf ro execution when the client sends an extcmd packet. 1236Register a callback for execution when the client sends an (synchronous)
1237extcmd packet. Ext commands will be processed in the order they are
1238received by the server, like other user commands. The first argument is
1239the logged-in player. Ext commands can only be processed after a player
1240has logged in successfully.
831 1241
832If the callback returns something, it is sent back as if reply was being 1242If the callback returns something, it is sent back as if reply was being
833called. 1243called.
834 1244
1245=item cf::register_exticmd $name => \&callback($ns,$packet);
1246
1247Register a callback for execution when the client sends an (asynchronous)
1248exticmd packet. Exti commands are processed by the server as soon as they
1249are received, i.e. out of order w.r.t. other commands. The first argument
1250is a client socket. Exti commands can be received anytime, even before
1251log-in.
1252
1253If the callback returns something, it is sent back as if reply was being
1254called.
1255
835=cut 1256=cut
836 1257
837sub register_extcmd { 1258sub register_extcmd {
838 my ($name, $cb) = @_; 1259 my ($name, $cb) = @_;
839 1260
840 $EXTCMD{$name} = $cb; 1261 $EXTCMD{$name} = $cb;
1262}
1263
1264sub register_exticmd {
1265 my ($name, $cb) = @_;
1266
1267 $EXTICMD{$name} = $cb;
841} 1268}
842 1269
843cf::player->attach ( 1270cf::player->attach (
844 on_command => sub { 1271 on_command => sub {
845 my ($pl, $name, $params) = @_; 1272 my ($pl, $name, $params) = @_;
854 cf::override; 1281 cf::override;
855 }, 1282 },
856 on_extcmd => sub { 1283 on_extcmd => sub {
857 my ($pl, $buf) = @_; 1284 my ($pl, $buf) = @_;
858 1285
859 my $msg = eval { from_json $buf }; 1286 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860 1287
861 if (ref $msg) { 1288 if (ref $msg) {
1289 my ($type, $reply, @payload) =
1290 "ARRAY" eq ref $msg
1291 ? @$msg
1292 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293
1294 my @reply;
1295
862 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1296 if (my $cb = $EXTCMD{$type}) {
863 if (my %reply = $cb->($pl, $msg)) { 1297 @reply = $cb->($pl, @payload);
864 $pl->ext_reply ($msg->{msgid}, %reply);
865 }
866 } 1298 }
1299
1300 $pl->ext_reply ($reply, @reply)
1301 if $reply;
1302
867 } else { 1303 } else {
868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1304 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869 } 1305 }
870 1306
871 cf::override; 1307 cf::override;
872 }, 1308 },
873); 1309);
874 1310
875sub load_extension {
876 my ($path) = @_;
877
878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
879 my $base = $1;
880 my $pkg = $1;
881 $pkg =~ s/[^[:word:]]/_/g;
882 $pkg = "ext::$pkg";
883
884 warn "... loading '$path' into '$pkg'\n";
885
886 open my $fh, "<:utf8", $path
887 or die "$path: $!";
888
889 my $source =
890 "package $pkg; use strict; use utf8;\n"
891 . "#line 1 \"$path\"\n{\n"
892 . (do { local $/; <$fh> })
893 . "\n};\n1";
894
895 unless (eval $source) {
896 my $msg = $@ ? "$path: $@\n"
897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
905
906 push @EXTS, $pkg;
907}
908
909sub load_extensions { 1311sub load_extensions {
1312 cf::sync_job {
1313 my %todo;
1314
910 for my $ext (<$LIBDIR/*.ext>) { 1315 for my $path (<$LIBDIR/*.ext>) {
911 next unless -r $ext; 1316 next unless -r $path;
912 eval { 1317
913 load_extension $ext; 1318 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1319 my $base = $1;
1320 my $pkg = $1;
1321 $pkg =~ s/[^[:word:]]/_/g;
1322 $pkg = "ext::$pkg";
1323
1324 open my $fh, "<:utf8", $path
1325 or die "$path: $!";
1326
1327 my $source = do { local $/; <$fh> };
1328
1329 my %ext = (
1330 path => $path,
1331 base => $base,
1332 pkg => $pkg,
1333 );
1334
1335 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337
1338 $ext{source} =
1339 "package $pkg; use strict; use utf8;\n"
1340 . "#line 1 \"$path\"\n{\n"
1341 . $source
1342 . "\n};\n1";
1343
1344 $todo{$base} = \%ext;
1345 }
1346
1347 my %done;
1348 while (%todo) {
1349 my $progress;
1350
1351 while (my ($k, $v) = each %todo) {
1352 for (split /,\s*/, $v->{meta}{depends}) {
1353 goto skip
1354 unless exists $done{$_};
1355 }
1356
1357 warn "... loading '$k' into '$v->{pkg}'\n";
1358
1359 unless (eval $v->{source}) {
1360 my $msg = $@ ? "$v->{path}: $@\n"
1361 : "$v->{base}: extension inactive.\n";
1362
1363 if (exists $v->{meta}{mandatory}) {
1364 warn $msg;
1365 cf::cleanup "mandatory extension failed to load, exiting.";
1366 }
1367
1368 warn $msg;
1369 }
1370
1371 $done{$k} = delete $todo{$k};
1372 push @EXTS, $v->{pkg};
1373 $progress = 1;
914 1 1374 }
915 } or warn "$ext not loaded: $@"; 1375
1376 skip:
1377 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1378 unless $progress;
1379 }
916 } 1380 };
917} 1381}
918 1382
919############################################################################# 1383#############################################################################
920 1384
1385=back
1386
921=head2 CORE EXTENSIONS 1387=head2 CORE EXTENSIONS
922 1388
923Functions and methods that extend core crossfire objects. 1389Functions and methods that extend core crossfire objects.
924 1390
925=cut 1391=cut
930 1396
931=head3 cf::player 1397=head3 cf::player
932 1398
933=over 4 1399=over 4
934 1400
1401=item cf::player::num_playing
1402
1403Returns the official number of playing players, as per the Crossfire metaserver rules.
1404
1405=cut
1406
1407sub num_playing {
1408 scalar grep
1409 $_->ob->map
1410 && !$_->hidden
1411 && !$_->ob->flag (cf::FLAG_WIZ),
1412 cf::player::list
1413}
1414
935=item cf::player::find $login 1415=item cf::player::find $login
936 1416
937Returns the given player object, loading it if necessary (might block). 1417Returns the given player object, loading it if necessary (might block).
938 1418
939=cut 1419=cut
940 1420
941sub playerdir($) { 1421sub playerdir($) {
942 cf::localdir 1422 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1423 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1424}
948 1425
949sub path($) { 1426sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1427 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1428
952 (playerdir $login) . "/$login.pl" 1429 (playerdir $login) . "/playerdata"
953} 1430}
954 1431
955sub find_active($) { 1432sub find_active($) {
956 $cf::PLAYER{$_[0]} 1433 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1434 and $cf::PLAYER{$_[0]}->active
970 my $login = $_[0]; 1447 my $login = $_[0];
971 1448
972 my $guard = cf::lock_acquire "user_find:$login"; 1449 my $guard = cf::lock_acquire "user_find:$login";
973 1450
974 $cf::PLAYER{$_[0]} || do { 1451 $cf::PLAYER{$_[0]} || do {
975 my $pl = load_pl path $login 1452 # rename old playerfiles to new ones
1453 #TODO: remove when no longer required
1454 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1455 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1456 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1457 aio_unlink +(playerdir $login) . "/$login.pl";
1458
1459 my $f = new_from_file cf::object::thawer path $login
976 or return; 1460 or return;
1461
1462 my $pl = cf::player::load_pl $f
1463 or return;
1464
1465 local $cf::PLAYER_LOADING{$login} = $pl;
1466 $f->resolve_delayed_derefs;
977 $cf::PLAYER{$login} = $pl 1467 $cf::PLAYER{$login} = $pl
978 } 1468 }
979 } 1469 }
980} 1470}
981 1471
990 return if $pl->{deny_save}; 1480 return if $pl->{deny_save};
991 1481
992 aio_mkdir playerdir $pl, 0770; 1482 aio_mkdir playerdir $pl, 0770;
993 $pl->{last_save} = $cf::RUNTIME; 1483 $pl->{last_save} = $cf::RUNTIME;
994 1484
1485 cf::get_slot 0.01;
1486
995 $pl->save_pl ($path); 1487 $pl->save_pl ($path);
996 Coro::cede; 1488 cf::cede_to_tick;
997} 1489}
998 1490
999sub new($) { 1491sub new($) {
1000 my ($login) = @_; 1492 my ($login) = @_;
1001 1493
1007 $cf::PLAYER{$login} = $self; 1499 $cf::PLAYER{$login} = $self;
1008 1500
1009 $self 1501 $self
1010} 1502}
1011 1503
1504=item $player->send_msg ($channel, $msg, $color, [extra...])
1505
1506=cut
1507
1508sub send_msg {
1509 my $ns = shift->ns
1510 or return;
1511 $ns->send_msg (@_);
1512}
1513
1012=item $pl->quit_character 1514=item $pl->quit_character
1013 1515
1014Nukes the player without looking back. If logged in, the connection will 1516Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time. 1517be destroyed. May block for a long time.
1016 1518
1017=cut 1519=cut
1018 1520
1019sub quit_character { 1521sub quit_character {
1020 my ($pl) = @_; 1522 my ($pl) = @_;
1021 1523
1524 my $name = $pl->ob->name;
1525
1022 $pl->{deny_save} = 1; 1526 $pl->{deny_save} = 1;
1023 $pl->password ("*"); # this should lock out the player until we nuked the dir 1527 $pl->password ("*"); # this should lock out the player until we nuked the dir
1024 1528
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1529 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1530 $pl->deactivate;
1531 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532 $pl->ob->check_score;
1027 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1533 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1028 $pl->ns->destroy if $pl->ns; 1534 $pl->ns->destroy if $pl->ns;
1029 1535
1030 my $path = playerdir $pl; 1536 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1537 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1538 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1539 delete $cf::PLAYER{$pl->ob->name};
1034 $pl->destroy; 1540 $pl->destroy;
1541
1542 my $prefix = qr<^~\Q$name\E/>;
1543
1544 # nuke player maps
1545 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1546
1035 IO::AIO::aio_rmtree $temp; 1547 IO::AIO::aio_rmtree $temp;
1548}
1549
1550=item $pl->kick
1551
1552Kicks a player out of the game. This destroys the connection.
1553
1554=cut
1555
1556sub kick {
1557 my ($pl, $kicker) = @_;
1558
1559 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1560 $pl->killer ("kicked");
1561 $pl->ns->destroy;
1036} 1562}
1037 1563
1038=item cf::player::list_logins 1564=item cf::player::list_logins
1039 1565
1040Returns am arrayref of all valid playernames in the system, can take a 1566Returns am arrayref of all valid playernames in the system, can take a
1041while and may block, so not sync_job-capable, ever. 1567while and may block, so not sync_job-capable, ever.
1042 1568
1043=cut 1569=cut
1044 1570
1045sub list_logins { 1571sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1572 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1573 or return [];
1048 1574
1049 my @logins; 1575 my @logins;
1050 1576
1051 for my $login (@$dirs) { 1577 for my $login (@$dirs) {
1578 my $path = path $login;
1579
1580 # a .pst is a dead give-away for a valid player
1581 # if no pst file found, open and chekc for blocked users
1582 if (aio_stat "$path.pst") {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1583 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next; 1584 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag 1585 $buf !~ /^password -------------$/m or next; # official not-valid tag
1586 }
1055 1587
1056 utf8::decode $login; 1588 utf8::decode $login;
1057 push @logins, $login; 1589 push @logins, $login;
1058 } 1590 }
1059 1591
1067 1599
1068=cut 1600=cut
1069 1601
1070sub maps($) { 1602sub maps($) {
1071 my ($pl) = @_; 1603 my ($pl) = @_;
1604
1605 $pl = ref $pl ? $pl->ob->name : $pl;
1072 1606
1073 my $files = aio_readdir playerdir $pl 1607 my $files = aio_readdir playerdir $pl
1074 or return; 1608 or return;
1075 1609
1076 my @paths; 1610 my @paths;
1078 for (@$files) { 1612 for (@$files) {
1079 utf8::decode $_; 1613 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1614 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1615 next unless /^$PATH_SEP/o;
1082 1616
1083 s/\.map$//; 1617 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1618 }
1086 1619
1087 \@paths 1620 \@paths
1088} 1621}
1089 1622
1623=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1624
1625Expand crossfire pod fragments into protocol xml.
1626
1627=cut
1628
1629use re 'eval';
1630
1631my $group;
1632my $interior; $interior = qr{
1633 # match a pod interior sequence sans C<< >>
1634 (?:
1635 \ (.*?)\ (?{ $group = $^N })
1636 | < (??{$interior}) >
1637 )
1638}x;
1639
1640sub expand_cfpod {
1641 my ($self, $pod) = @_;
1642
1643 my $xml;
1644
1645 while () {
1646 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647 $group = $1;
1648
1649 $group =~ s/&/&amp;/g;
1650 $group =~ s/</&lt;/g;
1651
1652 $xml .= $group;
1653 } elsif ($pod =~ m%\G
1654 ([BCGHITU])
1655 <
1656 (?:
1657 ([^<>]*) (?{ $group = $^N })
1658 | < $interior >
1659 )
1660 >
1661 %gcsx
1662 ) {
1663 my ($code, $data) = ($1, $group);
1664
1665 if ($code eq "B") {
1666 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667 } elsif ($code eq "I") {
1668 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669 } elsif ($code eq "U") {
1670 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671 } elsif ($code eq "C") {
1672 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673 } elsif ($code eq "T") {
1674 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675 } elsif ($code eq "G") {
1676 my ($male, $female) = split /\|/, $data;
1677 $data = $self->gender ? $female : $male;
1678 $xml .= expand_cfpod ($self, $data);
1679 } elsif ($code eq "H") {
1680 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682 "")
1683 [$self->{hintmode}];
1684 } else {
1685 $xml .= "error processing '$code($data)' directive";
1686 }
1687 } else {
1688 if ($pod =~ /\G(.+)/) {
1689 warn "parse error while expanding $pod (at $1)";
1690 }
1691 last;
1692 }
1693 }
1694
1695 for ($xml) {
1696 # create single paragraphs (very hackish)
1697 s/(?<=\S)\n(?=\w)/ /g;
1698
1699 # compress some whitespace
1700 s/\s+\n/\n/g; # ws line-ends
1701 s/\n\n+/\n/g; # double lines
1702 s/^\n+//; # beginning lines
1703 s/\n+$//; # ending lines
1704 }
1705
1706 $xml
1707}
1708
1709no re 'eval';
1710
1711sub hintmode {
1712 $_[0]{hintmode} = $_[1] if @_ > 1;
1713 $_[0]{hintmode}
1714}
1715
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1716=item $player->ext_reply ($msgid, @msg)
1091 1717
1092Sends an ext reply to the player. 1718Sends an ext reply to the player.
1093 1719
1094=cut 1720=cut
1095 1721
1096sub ext_reply($$$%) { 1722sub ext_reply($$@) {
1097 my ($self, $id, %msg) = @_; 1723 my ($self, $id, @msg) = @_;
1098 1724
1099 $msg{msgid} = $id; 1725 $self->ns->ext_reply ($id, @msg)
1100
1101 $self->send ("ext " . cf::to_json \%msg);
1102} 1726}
1103 1727
1104package cf; 1728=item $player->ext_msg ($type, @msg)
1729
1730Sends an ext event to the client.
1731
1732=cut
1733
1734sub ext_msg($$@) {
1735 my ($self, $type, @msg) = @_;
1736
1737 $self->ns->ext_msg ($type, @msg);
1738}
1739
1740=head3 cf::region
1741
1742=over 4
1743
1744=cut
1745
1746package cf::region;
1747
1748=item cf::region::find_by_path $path
1749
1750Tries to decuce the likely region for a map knowing only its path.
1751
1752=cut
1753
1754sub find_by_path($) {
1755 my ($path) = @_;
1756
1757 my ($match, $specificity);
1758
1759 for my $region (list) {
1760 if ($region->{match} && $path =~ $region->{match}) {
1761 ($match, $specificity) = ($region, $region->specificity)
1762 if $region->specificity > $specificity;
1763 }
1764 }
1765
1766 $match
1767}
1105 1768
1106=back 1769=back
1107
1108 1770
1109=head3 cf::map 1771=head3 cf::map
1110 1772
1111=over 4 1773=over 4
1112 1774
1124our $MAX_RESET = 3600; 1786our $MAX_RESET = 3600;
1125our $DEFAULT_RESET = 3000; 1787our $DEFAULT_RESET = 3000;
1126 1788
1127sub generate_random_map { 1789sub generate_random_map {
1128 my ($self, $rmp) = @_; 1790 my ($self, $rmp) = @_;
1791
1792 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793
1129 # mit "rum" bekleckern, nicht 1794 # mit "rum" bekleckern, nicht
1130 $self->_create_random_map ( 1795 $self->_create_random_map (
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1796 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1797 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1798 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1167 my ($self, $merge) = @_; 1832 my ($self, $merge) = @_;
1168 1833
1169 # we have to keep some variables in memory intact 1834 # we have to keep some variables in memory intact
1170 local $self->{path}; 1835 local $self->{path};
1171 local $self->{load_path}; 1836 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174 1837
1175 $self->SUPER::thawer_merge ($merge); 1838 $self->SUPER::thawer_merge ($merge);
1176} 1839}
1177 1840
1178sub normalise { 1841sub normalise {
1179 my ($path, $base) = @_; 1842 my ($path, $base) = @_;
1180 1843
1181 $path = "$path"; # make sure its a string 1844 $path = "$path"; # make sure its a string
1845
1846 $path =~ s/\.map$//;
1182 1847
1183 # map plan: 1848 # map plan:
1184 # 1849 #
1185 # /! non-realised random map exit (special hack!) 1850 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched 1851 # {... are special paths that are not being touched
1223 $self->init; # pass $1 etc. 1888 $self->init; # pass $1 etc.
1224 return $self; 1889 return $self;
1225 } 1890 }
1226 } 1891 }
1227 1892
1228 Carp::carp "unable to resolve path '$path' (base '$base')."; 1893 Carp::cluck "unable to resolve path '$path' (base '$base').";
1229 () 1894 ()
1230} 1895}
1231 1896
1232sub init { 1897sub init {
1233 my ($self) = @_; 1898 my ($self) = @_;
1248 1913
1249# the original (read-only) location 1914# the original (read-only) location
1250sub load_path { 1915sub load_path {
1251 my ($self) = @_; 1916 my ($self) = @_;
1252 1917
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1918 "$MAPDIR/$self->{path}.map"
1254} 1919}
1255 1920
1256# the temporary/swap location 1921# the temporary/swap location
1257sub save_path { 1922sub save_path {
1258 my ($self) = @_; 1923 my ($self) = @_;
1259 1924
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1925 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1926 "$TMPDIR/$path.map"
1262} 1927}
1263 1928
1264# the unique path, undef == no special unique path 1929# the unique path, undef == no special unique path
1265sub uniq_path { 1930sub uniq_path {
1266 my ($self) = @_; 1931 my ($self) = @_;
1267 1932
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1933 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1934 "$UNIQUEDIR/$path"
1270} 1935}
1271 1936
1272# and all this just because we cannot iterate over 1937# and all this just because we cannot iterate over
1273# all maps in C++... 1938# all maps in C++...
1274sub change_all_map_light { 1939sub change_all_map_light {
1276 1941
1277 $_->change_map_light ($change) 1942 $_->change_map_light ($change)
1278 for grep $_->outdoor, values %cf::MAP; 1943 for grep $_->outdoor, values %cf::MAP;
1279} 1944}
1280 1945
1946sub decay_objects {
1947 my ($self) = @_;
1948
1949 return if $self->{deny_reset};
1950
1951 $self->do_decay_objects;
1952}
1953
1281sub unlink_save { 1954sub unlink_save {
1282 my ($self) = @_; 1955 my ($self) = @_;
1283 1956
1284 utf8::encode (my $save = $self->save_path); 1957 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1958 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1288 1961
1289sub load_header_from($) { 1962sub load_header_from($) {
1290 my ($self, $path) = @_; 1963 my ($self, $path) = @_;
1291 1964
1292 utf8::encode $path; 1965 utf8::encode $path;
1293 aio_open $path, O_RDONLY, 0 1966 my $f = new_from_file cf::object::thawer $path
1294 or return; 1967 or return;
1295 1968
1296 $self->_load_header ($path) 1969 $self->_load_header ($f)
1297 or return; 1970 or return;
1971
1972 local $MAP_LOADING{$self->{path}} = $self;
1973 $f->resolve_delayed_derefs;
1298 1974
1299 $self->{load_path} = $path; 1975 $self->{load_path} = $path;
1300 1976
1301 1 1977 1
1302} 1978}
1341 $self->load_header_orig 2017 $self->load_header_orig
1342 or return; 2018 or return;
1343 $self->prepare_orig; 2019 $self->prepare_orig;
1344 } 2020 }
1345 2021
2022 $self->{deny_reset} = 1
2023 if $self->no_reset;
2024
2025 $self->default_region (cf::region::find_by_path $self->{path})
2026 unless $self->default_region;
2027
1346 1 2028 1
1347} 2029}
1348 2030
1349sub find; 2031sub find;
1350sub find { 2032sub find {
1351 my ($path, $origin) = @_; 2033 my ($path, $origin) = @_;
1352 2034
1353 $path = normalise $path, $origin && $origin->path; 2035 $path = normalise $path, $origin && $origin->path;
1354 2036
2037 cf::lock_wait "map_data:$path";#d#remove
1355 cf::lock_wait "map_find:$path"; 2038 cf::lock_wait "map_find:$path";
1356 2039
1357 $cf::MAP{$path} || do { 2040 $cf::MAP{$path} || do {
2041 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358 my $guard = cf::lock_acquire "map_find:$path"; 2042 my $guard2 = cf::lock_acquire "map_find:$path";
2043
1359 my $map = new_from_path cf::map $path 2044 my $map = new_from_path cf::map $path
1360 or return; 2045 or return;
1361 2046
1362 $map->{last_save} = $cf::RUNTIME; 2047 $map->{last_save} = $cf::RUNTIME;
1363 2048
1364 $map->load_header 2049 $map->load_header
1365 or return; 2050 or return;
1366 2051
1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 2052 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously 2053 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait; 2054 #$cf::WAIT_FOR_TICK->wait;
2055 undef $guard2;
2056 undef $guard1;
1370 $map->reset; 2057 $map->reset;
1371 undef $guard;
1372 return find $path; 2058 return find $path;
1373 } 2059 }
1374 2060
1375 $cf::MAP{$path} = $map 2061 $cf::MAP{$path} = $map
1376 } 2062 }
1383 my ($self) = @_; 2069 my ($self) = @_;
1384 2070
1385 local $self->{deny_reset} = 1; # loading can take a long time 2071 local $self->{deny_reset} = 1; # loading can take a long time
1386 2072
1387 my $path = $self->{path}; 2073 my $path = $self->{path};
2074
2075 {
1388 my $guard = cf::lock_acquire "map_load:$path"; 2076 my $guard = cf::lock_acquire "map_data:$path";
1389 2077
2078 return unless $self->valid;
1390 return if $self->in_memory != cf::MAP_SWAPPED; 2079 return unless $self->in_memory == cf::MAP_SWAPPED;
1391 2080
1392 $self->in_memory (cf::MAP_LOADING); 2081 $self->in_memory (cf::MAP_LOADING);
1393 2082
1394 $self->alloc; 2083 $self->alloc;
1395 2084
1396 $self->pre_load; 2085 $self->pre_load;
2086 cf::cede_to_tick;
1397 2087
1398 $self->_load_objects ($self->{load_path}, 1) 2088 my $f = new_from_file cf::object::thawer $self->{load_path};
2089 $f->skip_block;
2090 $self->_load_objects ($f)
1399 or return; 2091 or return;
1400 2092
1401 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2093 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402 if delete $self->{load_original}; 2094 if delete $self->{load_original};
1403 2095
1404 if (my $uniq = $self->uniq_path) { 2096 if (my $uniq = $self->uniq_path) {
1405 utf8::encode $uniq; 2097 utf8::encode $uniq;
1406 if (aio_open $uniq, O_RDONLY, 0) { 2098 unless (aio_stat $uniq) {
2099 if (my $f = new_from_file cf::object::thawer $uniq) {
1407 $self->clear_unique_items; 2100 $self->clear_unique_items;
1408 $self->_load_objects ($uniq, 0); 2101 $self->_load_objects ($f);
2102 $f->resolve_delayed_derefs;
2103 }
1409 } 2104 }
1410 } 2105 }
1411 2106
1412 Coro::cede; 2107 $f->resolve_delayed_derefs;
1413 2108
2109 cf::cede_to_tick;
1414 # now do the right thing for maps 2110 # now do the right thing for maps
1415 $self->link_multipart_objects; 2111 $self->link_multipart_objects;
1416
1417 unless ($self->{deny_activate}) {
1418 $self->decay_objects;
1419 $self->fix_auto_apply;
1420 $self->update_buttons;
1421 Coro::cede;
1422 $self->set_darkness_map;
1423 $self->difficulty ($self->estimate_difficulty) 2112 $self->difficulty ($self->estimate_difficulty)
1424 unless $self->difficulty; 2113 unless $self->difficulty;
1425 Coro::cede; 2114 cf::cede_to_tick;
2115
2116 unless ($self->{deny_activate}) {
2117 $self->decay_objects;
2118 $self->fix_auto_apply;
2119 $self->update_buttons;
2120 cf::cede_to_tick;
2121 $self->set_darkness_map;
2122 cf::cede_to_tick;
1426 $self->activate; 2123 $self->activate;
2124 }
2125
2126 $self->{last_save} = $cf::RUNTIME;
2127 $self->last_access ($cf::RUNTIME);
2128
2129 $self->in_memory (cf::MAP_ACTIVE);
1427 } 2130 }
1428 2131
1429 $self->post_load; 2132 $self->post_load;
1430
1431 $self->in_memory (cf::MAP_IN_MEMORY);
1432} 2133}
1433 2134
1434sub customise_for { 2135sub customise_for {
1435 my ($self, $ob) = @_; 2136 my ($self, $ob) = @_;
1436 2137
1437 return find "~" . $ob->name . "/" . $self->{path} 2138 return find "~" . $ob->name . "/" . $self->{path}
1438 if $self->per_player; 2139 if $self->per_player;
1439 2140
2141# return find "?party/" . $ob->name . "/" . $self->{path}
2142# if $self->per_party;
2143
1440 $self 2144 $self
1441} 2145}
1442 2146
1443# find and load all maps in the 3x3 area around a map 2147# find and load all maps in the 3x3 area around a map
1444sub load_diag { 2148sub load_neighbours {
1445 my ($map) = @_; 2149 my ($map) = @_;
1446 2150
1447 my @diag; # diagonal neighbours 2151 my @neigh; # diagonal neighbours
1448 2152
1449 for (0 .. 3) { 2153 for (0 .. 3) {
1450 my $neigh = $map->tile_path ($_) 2154 my $neigh = $map->tile_path ($_)
1451 or next; 2155 or next;
1452 $neigh = find $neigh, $map 2156 $neigh = find $neigh, $map
1453 or next; 2157 or next;
1454 $neigh->load; 2158 $neigh->load;
1455 2159
2160 push @neigh,
1456 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2161 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1457 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2162 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1458 } 2163 }
1459 2164
1460 for (@diag) { 2165 for (grep defined $_->[0], @neigh) {
2166 my ($path, $origin) = @$_;
1461 my $neigh = find @$_ 2167 my $neigh = find $path, $origin
1462 or next; 2168 or next;
1463 $neigh->load; 2169 $neigh->load;
1464 } 2170 }
1465} 2171}
1466 2172
1471} 2177}
1472 2178
1473sub do_load_sync { 2179sub do_load_sync {
1474 my ($map) = @_; 2180 my ($map) = @_;
1475 2181
2182 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2183 if $Coro::current == $Coro::main;
2184
1476 cf::sync_job { $map->load }; 2185 cf::sync_job { $map->load };
1477} 2186}
1478 2187
1479our %MAP_PREFETCH; 2188our %MAP_PREFETCH;
1480our $MAP_PREFETCHER = undef; 2189our $MAP_PREFETCHER = undef;
1481 2190
1482sub find_async { 2191sub find_async {
1483 my ($path, $origin) = @_; 2192 my ($path, $origin, $load) = @_;
1484 2193
1485 $path = normalise $path, $origin && $origin->{path}; 2194 $path = normalise $path, $origin && $origin->{path};
1486 2195
1487 if (my $map = $cf::MAP{$path}) { 2196 if (my $map = $cf::MAP{$path}) {
1488 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2197 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489 } 2198 }
1490 2199
1491 undef $MAP_PREFETCH{$path}; 2200 $MAP_PREFETCH{$path} |= $load;
2201
1492 $MAP_PREFETCHER ||= cf::async { 2202 $MAP_PREFETCHER ||= cf::async {
2203 $Coro::current->{desc} = "map prefetcher";
2204
1493 while (%MAP_PREFETCH) { 2205 while (%MAP_PREFETCH) {
1494 for my $path (keys %MAP_PREFETCH) { 2206 while (my ($k, $v) = each %MAP_PREFETCH) {
1495 my $map = find $path 2207 if (my $map = find $k) {
1496 or next;
1497 $map->load; 2208 $map->load if $v;
2209 }
1498 2210
1499 delete $MAP_PREFETCH{$path}; 2211 delete $MAP_PREFETCH{$k};
1500 } 2212 }
1501 } 2213 }
1502 undef $MAP_PREFETCHER; 2214 undef $MAP_PREFETCHER;
1503 }; 2215 };
1504 $MAP_PREFETCHER->prio (6); 2216 $MAP_PREFETCHER->prio (6);
1507} 2219}
1508 2220
1509sub save { 2221sub save {
1510 my ($self) = @_; 2222 my ($self) = @_;
1511 2223
1512 my $lock = cf::lock_acquire "map_data:" . $self->path; 2224 my $lock = cf::lock_acquire "map_data:$self->{path}";
1513 2225
1514 $self->{last_save} = $cf::RUNTIME; 2226 $self->{last_save} = $cf::RUNTIME;
1515 2227
1516 return unless $self->dirty; 2228 return unless $self->dirty;
1517 2229
1523 return if $self->{deny_save}; 2235 return if $self->{deny_save};
1524 2236
1525 local $self->{last_access} = $self->last_access;#d# 2237 local $self->{last_access} = $self->last_access;#d#
1526 2238
1527 cf::async { 2239 cf::async {
2240 $Coro::current->{desc} = "map player save";
1528 $_->contr->save for $self->players; 2241 $_->contr->save for $self->players;
1529 }; 2242 };
2243
2244 cf::get_slot 0.02;
1530 2245
1531 if ($uniq) { 2246 if ($uniq) {
1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2247 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2248 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1534 } else { 2249 } else {
1540 my ($self) = @_; 2255 my ($self) = @_;
1541 2256
1542 # save first because save cedes 2257 # save first because save cedes
1543 $self->save; 2258 $self->save;
1544 2259
1545 my $lock = cf::lock_acquire "map_data:" . $self->path; 2260 my $lock = cf::lock_acquire "map_data:$self->{path}";
1546 2261
1547 return if $self->players; 2262 return if $self->players;
1548 return if $self->in_memory != cf::MAP_IN_MEMORY; 2263 return if $self->in_memory != cf::MAP_ACTIVE;
1549 return if $self->{deny_save}; 2264 return if $self->{deny_save};
1550 2265
2266 $self->in_memory (cf::MAP_SWAPPED);
2267
2268 $self->deactivate;
2269 $_->clear_links_to ($self) for values %cf::MAP;
1551 $self->clear; 2270 $self->clear;
1552 $self->in_memory (cf::MAP_SWAPPED);
1553} 2271}
1554 2272
1555sub reset_at { 2273sub reset_at {
1556 my ($self) = @_; 2274 my ($self) = @_;
1557 2275
1558 # TODO: safety, remove and allow resettable per-player maps 2276 # TODO: safety, remove and allow resettable per-player maps
1559 return 1e99 if $self->isa ("ext::map_per_player");#d#
1560 return 1e99 if $self->{deny_reset}; 2277 return 1e99 if $self->{deny_reset};
1561 2278
1562 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2279 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2280 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564 2281
1575 my ($self) = @_; 2292 my ($self) = @_;
1576 2293
1577 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2294 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2295
1579 return if $self->players; 2296 return if $self->players;
1580 return if $self->isa ("ext::map_per_player");#d#
1581 2297
1582 warn "resetting map ", $self->path;#d# 2298 warn "resetting map ", $self->path;
2299
2300 $self->in_memory (cf::MAP_SWAPPED);
2301
2302 # need to save uniques path
2303 unless ($self->{deny_save}) {
2304 my $uniq = $self->uniq_path; utf8::encode $uniq;
2305
2306 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2307 if $uniq;
2308 }
1583 2309
1584 delete $cf::MAP{$self->path}; 2310 delete $cf::MAP{$self->path};
1585 2311
1586 $self->in_memory (cf::MAP_SWAPPED); 2312 $self->deactivate;
2313 $_->clear_links_to ($self) for values %cf::MAP;
1587 $self->clear; 2314 $self->clear;
1588
1589 $_->clear_links_to ($self) for values %cf::MAP;
1590 2315
1591 $self->unlink_save; 2316 $self->unlink_save;
1592 $self->destroy; 2317 $self->destroy;
1593} 2318}
1594 2319
1595my $nuke_counter = "aaaa"; 2320my $nuke_counter = "aaaa";
1596 2321
1597sub nuke { 2322sub nuke {
1598 my ($self) = @_; 2323 my ($self) = @_;
1599 2324
2325 {
2326 my $lock = cf::lock_acquire "map_data:$self->{path}";
2327
1600 delete $cf::MAP{$self->path}; 2328 delete $cf::MAP{$self->path};
1601 2329
1602 $self->unlink_save; 2330 $self->unlink_save;
1603 2331
1604 bless $self, "cf::map"; 2332 bless $self, "cf::map";
1605 delete $self->{deny_reset}; 2333 delete $self->{deny_reset};
1606 $self->{deny_save} = 1; 2334 $self->{deny_save} = 1;
1607 $self->reset_timeout (1); 2335 $self->reset_timeout (1);
1608 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2336 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609 2337
1610 $cf::MAP{$self->path} = $self; 2338 $cf::MAP{$self->path} = $self;
2339 }
1611 2340
1612 $self->reset; # polite request, might not happen 2341 $self->reset; # polite request, might not happen
2342}
2343
2344=item $maps = cf::map::tmp_maps
2345
2346Returns an arrayref with all map paths of currently instantiated and saved
2347maps. May block.
2348
2349=cut
2350
2351sub tmp_maps() {
2352 [
2353 map {
2354 utf8::decode $_;
2355 /\.map$/
2356 ? normalise $_
2357 : ()
2358 } @{ aio_readdir $TMPDIR or [] }
2359 ]
2360}
2361
2362=item $maps = cf::map::random_maps
2363
2364Returns an arrayref with all map paths of currently instantiated and saved
2365random maps. May block.
2366
2367=cut
2368
2369sub random_maps() {
2370 [
2371 map {
2372 utf8::decode $_;
2373 /\.map$/
2374 ? normalise "?random/$_"
2375 : ()
2376 } @{ aio_readdir $RANDOMDIR or [] }
2377 ]
1613} 2378}
1614 2379
1615=item cf::map::unique_maps 2380=item cf::map::unique_maps
1616 2381
1617Returns an arrayref of paths of all shared maps that have 2382Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 2383instantiated unique items. May block.
1619 2384
1620=cut 2385=cut
1621 2386
1622sub unique_maps() { 2387sub unique_maps() {
1623 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2388 [
1624 or return; 2389 map {
1625
1626 my @paths;
1627
1628 for (@$files) {
1629 utf8::decode $_; 2390 utf8::decode $_;
1630 next if /\.pst$/; 2391 s/\.map$//; # TODO future compatibility hack
1631 next unless /^$PATH_SEP/o; 2392 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632 2393 ? ()
1633 s/\.map$//; 2394 : normalise $_
1634 push @paths, $_; 2395 } @{ aio_readdir $UNIQUEDIR or [] }
1635 } 2396 ]
1636
1637 \@paths
1638} 2397}
1639
1640package cf;
1641 2398
1642=back 2399=back
1643 2400
1644=head3 cf::object 2401=head3 cf::object
1645 2402
1649 2406
1650=over 4 2407=over 4
1651 2408
1652=item $ob->inv_recursive 2409=item $ob->inv_recursive
1653 2410
1654Returns the inventory of the object _and_ their inventories, recursively. 2411Returns the inventory of the object I<and> their inventories, recursively,
2412but I<not> the object itself.
1655 2413
1656=cut 2414=cut
1657 2415
1658sub inv_recursive_; 2416sub inv_recursive_;
1659sub inv_recursive_ { 2417sub inv_recursive_ {
1662 2420
1663sub inv_recursive { 2421sub inv_recursive {
1664 inv_recursive_ inv $_[0] 2422 inv_recursive_ inv $_[0]
1665} 2423}
1666 2424
2425=item $ref = $ob->ref
2426
2427Creates and returns a persistent reference to an object that can be stored as a string.
2428
2429=item $ob = cf::object::deref ($refstring)
2430
2431returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2432even if the object actually exists. May block.
2433
2434=cut
2435
2436sub deref {
2437 my ($ref) = @_;
2438
2439 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2440 my ($uuid, $name) = ($1, $2);
2441 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2442 or return;
2443 $pl->ob->uuid eq $uuid
2444 or return;
2445
2446 $pl->ob
2447 } else {
2448 warn "$ref: cannot resolve object reference\n";
2449 undef
2450 }
2451}
2452
1667package cf; 2453package cf;
1668 2454
1669=back 2455=back
1670 2456
1671=head3 cf::object::player 2457=head3 cf::object::player
1677Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2463Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678can be C<undef>. Does the right thing when the player is currently in a 2464can be C<undef>. Does the right thing when the player is currently in a
1679dialogue with the given NPC character. 2465dialogue with the given NPC character.
1680 2466
1681=cut 2467=cut
2468
2469our $SAY_CHANNEL = {
2470 id => "say",
2471 title => "Map",
2472 reply => "say ",
2473 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2474};
2475
2476our $CHAT_CHANNEL = {
2477 id => "chat",
2478 title => "Chat",
2479 reply => "chat ",
2480 tooltip => "Player chat and shouts, global to the server.",
2481};
1682 2482
1683# rough implementation of a future "reply" method that works 2483# rough implementation of a future "reply" method that works
1684# with dialog boxes. 2484# with dialog boxes.
1685#TODO: the first argument must go, split into a $npc->reply_to ( method 2485#TODO: the first argument must go, split into a $npc->reply_to ( method
1686sub cf::object::player::reply($$$;$) { 2486sub cf::object::player::reply($$$;$) {
1688 2488
1689 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2489 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690 2490
1691 if ($self->{record_replies}) { 2491 if ($self->{record_replies}) {
1692 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2492 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2493
1693 } else { 2494 } else {
2495 my $pl = $self->contr;
2496
2497 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2498 my $dialog = $pl->{npc_dialog};
2499 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2500
2501 } else {
1694 $msg = $npc->name . " says: $msg" if $npc; 2502 $msg = $npc->name . " says: $msg" if $npc;
1695 $self->message ($msg, $flags); 2503 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2504 }
1696 } 2505 }
2506}
2507
2508=item $object->send_msg ($channel, $msg, $color, [extra...])
2509
2510=cut
2511
2512sub cf::object::send_msg {
2513 my $pl = shift->contr
2514 or return;
2515 $pl->send_msg (@_);
1697} 2516}
1698 2517
1699=item $player_object->may ("access") 2518=item $player_object->may ("access")
1700 2519
1701Returns wether the given player is authorized to access resource "access" 2520Returns wether the given player is authorized to access resource "access"
1748 $self->deactivate_recursive; 2567 $self->deactivate_recursive;
1749 2568
1750 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2569 return if UNIVERSAL::isa $self->map, "ext::map_link";
1751 2570
1752 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2571 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753 if $self->map; 2572 if $self->map && $self->map->{path} ne "{link}";
1754 2573
1755 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2574 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1756} 2575}
1757 2576
1758sub cf::object::player::leave_link { 2577sub cf::object::player::leave_link {
1759 my ($self, $map, $x, $y) = @_; 2578 my ($self, $map, $x, $y) = @_;
2579
2580 return unless $self->contr->active;
1760 2581
1761 my $link_pos = delete $self->{_link_pos}; 2582 my $link_pos = delete $self->{_link_pos};
1762 2583
1763 unless ($map) { 2584 unless ($map) {
1764 # restore original map position 2585 # restore original map position
1778 # use -1 or undef as default coordinates, not 0, 0 2599 # use -1 or undef as default coordinates, not 0, 0
1779 ($x, $y) = ($map->enter_x, $map->enter_y) 2600 ($x, $y) = ($map->enter_x, $map->enter_y)
1780 if $x <=0 && $y <= 0; 2601 if $x <=0 && $y <= 0;
1781 2602
1782 $map->load; 2603 $map->load;
1783 $map->load_diag; 2604 $map->load_neighbours;
1784 2605
1785 return unless $self->contr->active; 2606 return unless $self->contr->active;
1786 $self->activate_recursive; 2607 $self->activate_recursive;
2608
2609 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787 $self->enter_map ($map, $x, $y); 2610 $self->enter_map ($map, $x, $y);
1788} 2611}
1789 2612
1790cf::player->attach ( 2613=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791 on_logout => sub {
1792 my ($pl) = @_;
1793 2614
1794 # abort map switching before logout 2615Moves the player to the given map-path and coordinates by first freezing
1795 if ($pl->ob->{_link_pos}) { 2616her, loading and preparing them map, calling the provided $check callback
1796 cf::sync_job { 2617that has to return the map if sucecssful, and then unfreezes the player on
1797 $pl->ob->leave_link 2618the new (success) or old (failed) map position. In either case, $done will
1798 }; 2619be called at the end of this process.
1799 }
1800 },
1801 on_login => sub {
1802 my ($pl) = @_;
1803 2620
1804 # try to abort aborted map switching on player login :)
1805 # should happen only on crashes
1806 if ($pl->ob->{_link_pos}) {
1807 $pl->ob->enter_link;
1808 (async {
1809 # we need this sleep as the login has a concurrent enter_exit running
1810 # and this sleep increases chances of the player not ending up in scorn
1811 $pl->ob->reply (undef,
1812 "There was an internal problem at your last logout, "
1813 . "the server will try to bring you to your intended destination in a second.",
1814 cf::NDI_RED);
1815 Coro::Timer::sleep 1;
1816 $pl->ob->leave_link;
1817 })->prio (2);
1818 }
1819 },
1820);
1821
1822=item $player_object->goto ($path, $x, $y)
1823
1824=cut 2621=cut
2622
2623our $GOTOGEN;
1825 2624
1826sub cf::object::player::goto { 2625sub cf::object::player::goto {
1827 my ($self, $path, $x, $y) = @_; 2626 my ($self, $path, $x, $y, $check, $done) = @_;
2627
2628 # do generation counting so two concurrent goto's will be executed in-order
2629 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828 2630
1829 $self->enter_link; 2631 $self->enter_link;
1830 2632
1831 (async { 2633 (async {
2634 $Coro::current->{desc} = "player::goto $path $x $y";
2635
2636 # *tag paths override both path and x|y
2637 if ($path =~ /^\*(.*)$/) {
2638 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2639 my $ob = $obs[rand @obs];
2640
2641 # see if we actually can go there
2642 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2643 $ob = $obs[rand @obs];
2644 } else {
2645 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2646 }
2647 # else put us there anyways for now #d#
2648
2649 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2650 } else {
2651 ($path, $x, $y) = (undef, undef, undef);
2652 }
2653 }
2654
1832 my $map = eval { 2655 my $map = eval {
1833 my $map = cf::map::find $path; 2656 my $map = defined $path ? cf::map::find $path : undef;
2657
2658 if ($map) {
1834 $map = $map->customise_for ($self) if $map; 2659 $map = $map->customise_for ($self);
2660 $map = $check->($map) if $check && $map;
2661 } else {
2662 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663 }
2664
1835 $map 2665 $map
2666 };
2667
2668 if ($@) {
2669 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2670 LOG llevError | logBacktrace, Carp::longmess $@;
1836 } or 2671 }
1837 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838 2672
2673 if ($gen == $self->{_goto_generation}) {
2674 delete $self->{_goto_generation};
1839 $self->leave_link ($map, $x, $y); 2675 $self->leave_link ($map, $x, $y);
2676 }
2677
2678 $done->() if $done;
1840 })->prio (1); 2679 })->prio (1);
1841} 2680}
1842 2681
1843=item $player_object->enter_exit ($exit_object) 2682=item $player_object->enter_exit ($exit_object)
1844 2683
1864} 2703}
1865 2704
1866sub prepare_random_map { 2705sub prepare_random_map {
1867 my ($exit) = @_; 2706 my ($exit) = @_;
1868 2707
1869 my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871 # all this does is basically replace the /! path by 2708 # all this does is basically replace the /! path by
1872 # a new random map path (?random/...) with a seed 2709 # a new random map path (?random/...) with a seed
1873 # that depends on the exit object 2710 # that depends on the exit object
1874 2711
1875 my $rmp = parse_random_map_params $exit->msg; 2712 my $rmp = parse_random_map_params $exit->msg;
1877 if ($exit->map) { 2714 if ($exit->map) {
1878 $rmp->{region} = $exit->region->name; 2715 $rmp->{region} = $exit->region->name;
1879 $rmp->{origin_map} = $exit->map->path; 2716 $rmp->{origin_map} = $exit->map->path;
1880 $rmp->{origin_x} = $exit->x; 2717 $rmp->{origin_x} = $exit->x;
1881 $rmp->{origin_y} = $exit->y; 2718 $rmp->{origin_y} = $exit->y;
2719
2720 $exit->map->touch;
1882 } 2721 }
1883 2722
1884 $rmp->{random_seed} ||= $exit->random_seed; 2723 $rmp->{random_seed} ||= $exit->random_seed;
1885 2724
1886 my $data = cf::to_json $rmp; 2725 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887 my $md5 = Digest::MD5::md5_hex $data; 2726 my $md5 = Digest::MD5::md5_hex $data;
1888 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2727 my $meta = "$RANDOMDIR/$md5.meta";
1889 2728
1890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2729 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891 aio_write $fh, 0, (length $data), $data, 0; 2730 aio_write $fh, 0, (length $data), $data, 0;
1892 undef $fh; 2731 undef $fh;
1893 aio_rename "$meta~", $meta; 2732 aio_rename "$meta~", $meta;
1894 2733
2734 my $slaying = "?random/$md5";
2735
2736 if ($exit->valid) {
1895 $exit->slaying ("?random/$md5"); 2737 $exit->slaying ("?random/$md5");
1896 $exit->msg (undef); 2738 $exit->msg (undef);
2739 }
1897 } 2740 }
1898} 2741}
1899 2742
1900sub cf::object::player::enter_exit { 2743sub cf::object::player::enter_exit {
1901 my ($self, $exit) = @_; 2744 my ($self, $exit) = @_;
1902 2745
1903 return unless $self->type == cf::PLAYER; 2746 return unless $self->type == cf::PLAYER;
1904 2747
1905 if ($exit->slaying eq "/!") {
1906 #TODO: this should de-fi-ni-te-ly not be a sync-job
1907 cf::sync_job { prepare_random_map $exit };
1908 }
1909
1910 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911 my $hp = $exit->stats->hp;
1912 my $sp = $exit->stats->sp;
1913
1914 $self->enter_link; 2748 $self->enter_link;
1915 2749
1916 (async { 2750 (async {
1917 $self->deactivate_recursive; # just to be sure 2751 $Coro::current->{desc} = "enter_exit";
2752
1918 unless (eval { 2753 unless (eval {
2754 $self->deactivate_recursive; # just to be sure
2755
2756 # random map handling
2757 {
2758 my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760 prepare_random_map $exit
2761 if $exit->slaying eq "/!";
2762 }
2763
2764 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2765 my $x = $exit->stats->hp;
2766 my $y = $exit->stats->sp;
2767
1919 $self->goto ($slaying, $hp, $sp); 2768 $self->goto ($map, $x, $y);
1920 2769
2770 # if exit is damned, update players death & WoR home-position
2771 $self->contr->savebed ($map, $x, $y)
2772 if $exit->flag (cf::FLAG_DAMNED);
2773
1921 1; 2774 1
1922 }) { 2775 }) {
1923 $self->message ("Something went wrong deep within the crossfire server. " 2776 $self->message ("Something went wrong deep within the crossfire server. "
1924 . "I'll try to bring you back to the map you were before. " 2777 . "I'll try to bring you back to the map you were before. "
1925 . "Please report this to the dungeon master!", 2778 . "Please report this to the dungeon master!",
1926 cf::NDI_UNIQUE | cf::NDI_RED); 2779 cf::NDI_UNIQUE | cf::NDI_RED);
1927 2780
1928 warn "ERROR in enter_exit: $@"; 2781 warn "ERROR in enter_exit: $@";
1929 $self->leave_link; 2782 $self->leave_link;
1930 } 2783 }
1931 })->prio (1); 2784 })->prio (1);
1944 2797
1945sub cf::client::send_drawinfo { 2798sub cf::client::send_drawinfo {
1946 my ($self, $text, $flags) = @_; 2799 my ($self, $text, $flags) = @_;
1947 2800
1948 utf8::encode $text; 2801 utf8::encode $text;
1949 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2802 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950} 2803}
1951 2804
2805=item $client->send_msg ($channel, $msg, $color, [extra...])
2806
2807Send a drawinfo or msg packet to the client, formatting the msg for the
2808client if neccessary. C<$type> should be a string identifying the type of
2809the message, with C<log> being the default. If C<$color> is negative, suppress
2810the message unless the client supports the msg packet.
2811
2812=cut
2813
2814# non-persistent channels (usually the info channel)
2815our %CHANNEL = (
2816 "c/identify" => {
2817 id => "infobox",
2818 title => "Identify",
2819 reply => undef,
2820 tooltip => "Items recently identified",
2821 },
2822 "c/examine" => {
2823 id => "infobox",
2824 title => "Examine",
2825 reply => undef,
2826 tooltip => "Signs and other items you examined",
2827 },
2828 "c/book" => {
2829 id => "infobox",
2830 title => "Book",
2831 reply => undef,
2832 tooltip => "The contents of a note or book",
2833 },
2834 "c/lookat" => {
2835 id => "infobox",
2836 title => "Look",
2837 reply => undef,
2838 tooltip => "What you saw there",
2839 },
2840 "c/who" => {
2841 id => "infobox",
2842 title => "Players",
2843 reply => undef,
2844 tooltip => "Shows players who are currently online",
2845 },
2846 "c/body" => {
2847 id => "infobox",
2848 title => "Body Parts",
2849 reply => undef,
2850 tooltip => "Shows which body parts you posess and are available",
2851 },
2852 "c/uptime" => {
2853 id => "infobox",
2854 title => "Uptime",
2855 reply => undef,
2856 tooltip => "How long the server has been running since last restart",
2857 },
2858 "c/mapinfo" => {
2859 id => "infobox",
2860 title => "Map Info",
2861 reply => undef,
2862 tooltip => "Information related to the maps",
2863 },
2864 "c/party" => {
2865 id => "party",
2866 title => "Party",
2867 reply => "gsay ",
2868 tooltip => "Messages and chat related to your party",
2869 },
2870);
2871
2872sub cf::client::send_msg {
2873 my ($self, $channel, $msg, $color, @extra) = @_;
2874
2875 $msg = $self->pl->expand_cfpod ($msg);
2876
2877 $color &= cf::NDI_CLIENT_MASK; # just in case...
2878
2879 # check predefined channels, for the benefit of C
2880 if ($CHANNEL{$channel}) {
2881 $channel = $CHANNEL{$channel};
2882
2883 $self->ext_msg (channel_info => $channel)
2884 if $self->can_msg;
2885
2886 $channel = $channel->{id};
2887
2888 } elsif (ref $channel) {
2889 # send meta info to client, if not yet sent
2890 unless (exists $self->{channel}{$channel->{id}}) {
2891 $self->{channel}{$channel->{id}} = $channel;
2892 $self->ext_msg (channel_info => $channel)
2893 if $self->can_msg;
2894 }
2895
2896 $channel = $channel->{id};
2897 }
2898
2899 return unless @extra || length $msg;
2900
2901 if ($self->can_msg) {
2902 # default colour, mask it out
2903 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904 if $color & cf::NDI_DEF;
2905
2906 $self->send_packet ("msg " . $self->{json_coder}->encode (
2907 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2908 } else {
2909 if ($color >= 0) {
2910 # replace some tags by gcfclient-compatible ones
2911 for ($msg) {
2912 1 while
2913 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918 }
2919
2920 $color &= cf::NDI_COLOR_MASK;
2921
2922 utf8::encode $msg;
2923
2924 if (0 && $msg =~ /\[/) {
2925 # COMMAND/INFO
2926 $self->send_packet ("drawextinfo $color 10 8 $msg")
2927 } else {
2928 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929 $self->send_packet ("drawinfo $color $msg")
2930 }
2931 }
2932 }
2933}
2934
2935=item $client->ext_msg ($type, @msg)
2936
2937Sends an ext event to the client.
2938
2939=cut
2940
2941sub cf::client::ext_msg($$@) {
2942 my ($self, $type, @msg) = @_;
2943
2944 if ($self->extcmd == 2) {
2945 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946 } elsif ($self->extcmd == 1) { # TODO: remove
2947 push @msg, msgtype => "event_$type";
2948 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949 }
2950}
2951
2952=item $client->ext_reply ($msgid, @msg)
2953
2954Sends an ext reply to the client.
2955
2956=cut
2957
2958sub cf::client::ext_reply($$@) {
2959 my ($self, $id, @msg) = @_;
2960
2961 if ($self->extcmd == 2) {
2962 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963 } elsif ($self->extcmd == 1) {
2964 #TODO: version 1, remove
2965 unshift @msg, msgtype => "reply", msgid => $id;
2966 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967 }
2968}
1952 2969
1953=item $success = $client->query ($flags, "text", \&cb) 2970=item $success = $client->query ($flags, "text", \&cb)
1954 2971
1955Queues a query to the client, calling the given callback with 2972Queues a query to the client, calling the given callback with
1956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2973the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2974C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958 2975
1959Queries can fail, so check the return code. Or don't, as queries will become 2976Queries can fail, so check the return code. Or don't, as queries will
1960reliable at some point in the future. 2977become reliable at some point in the future.
1961 2978
1962=cut 2979=cut
1963 2980
1964sub cf::client::query { 2981sub cf::client::query {
1965 my ($self, $flags, $text, $cb) = @_; 2982 my ($self, $flags, $text, $cb) = @_;
1973 utf8::encode $text; 2990 utf8::encode $text;
1974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2991 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975 2992
1976 $self->send_packet ($self->{query_queue}[0][0]) 2993 $self->send_packet ($self->{query_queue}[0][0])
1977 if @{ $self->{query_queue} } == 1; 2994 if @{ $self->{query_queue} } == 1;
2995
2996 1
1978} 2997}
1979 2998
1980cf::client->attach ( 2999cf::client->attach (
3000 on_connect => sub {
3001 my ($ns) = @_;
3002
3003 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
3004 },
1981 on_reply => sub { 3005 on_reply => sub {
1982 my ($ns, $msg) = @_; 3006 my ($ns, $msg) = @_;
1983 3007
1984 # this weird shuffling is so that direct followup queries 3008 # this weird shuffling is so that direct followup queries
1985 # get handled first 3009 # get handled first
1986 my $queue = delete $ns->{query_queue} 3010 my $queue = delete $ns->{query_queue}
1987 or return; # be conservative, not sure how that can happen, but we saw a crash here 3011 or return; # be conservative, not sure how that can happen, but we saw a crash here
1988 3012
1989 (shift @$queue)->[1]->($msg); 3013 (shift @$queue)->[1]->($msg);
3014 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990 3015
1991 push @{ $ns->{query_queue} }, @$queue; 3016 push @{ $ns->{query_queue} }, @$queue;
1992 3017
1993 if (@{ $ns->{query_queue} } == @$queue) { 3018 if (@{ $ns->{query_queue} } == @$queue) {
1994 if (@$queue) { 3019 if (@$queue) {
1996 } else { 3021 } else {
1997 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 3022 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998 } 3023 }
1999 } 3024 }
2000 }, 3025 },
3026 on_exticmd => sub {
3027 my ($ns, $buf) = @_;
3028
3029 my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030
3031 if (ref $msg) {
3032 my ($type, $reply, @payload) =
3033 "ARRAY" eq ref $msg
3034 ? @$msg
3035 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036
3037 my @reply;
3038
3039 if (my $cb = $EXTICMD{$type}) {
3040 @reply = $cb->($ns, @payload);
3041 }
3042
3043 $ns->ext_reply ($reply, @reply)
3044 if $reply;
3045
3046 } else {
3047 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048 }
3049
3050 cf::override;
3051 },
2001); 3052);
2002 3053
2003=item $client->async (\&cb) 3054=item $client->async (\&cb)
2004 3055
2005Create a new coroutine, running the specified callback. The coroutine will 3056Create a new coroutine, running the specified callback. The coroutine will
2046our $safe = new Safe "safe"; 3097our $safe = new Safe "safe";
2047our $safe_hole = new Safe::Hole; 3098our $safe_hole = new Safe::Hole;
2048 3099
2049$SIG{FPE} = 'IGNORE'; 3100$SIG{FPE} = 'IGNORE';
2050 3101
2051$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3102$safe->permit_only (Opcode::opset qw(
3103 :base_core :base_mem :base_orig :base_math
3104 grepstart grepwhile mapstart mapwhile
3105 sort time
3106));
2052 3107
2053# here we export the classes and methods available to script code 3108# here we export the classes and methods available to script code
2054 3109
2055=pod 3110=pod
2056 3111
2057The following fucntions and emthods are available within a safe environment: 3112The following functions and methods are available within a safe environment:
2058 3113
2059 cf::object contr pay_amount pay_player map 3114 cf::object
3115 contr pay_amount pay_player map x y force_find force_add destroy
3116 insert remove name archname title slaying race decrease split
3117
2060 cf::object::player player 3118 cf::object::player
2061 cf::player peaceful 3119 player
2062 cf::map trigger 3120
3121 cf::player
3122 peaceful
3123
3124 cf::map
3125 trigger
2063 3126
2064=cut 3127=cut
2065 3128
2066for ( 3129for (
2067 ["cf::object" => qw(contr pay_amount pay_player map)], 3130 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131 insert remove inv nrof name archname title slaying race
3132 decrease split destroy)],
2068 ["cf::object::player" => qw(player)], 3133 ["cf::object::player" => qw(player)],
2069 ["cf::player" => qw(peaceful)], 3134 ["cf::player" => qw(peaceful)],
2070 ["cf::map" => qw(trigger)], 3135 ["cf::map" => qw(trigger)],
2071) { 3136) {
2072 no strict 'refs'; 3137 no strict 'refs';
2143=back 3208=back
2144 3209
2145=cut 3210=cut
2146 3211
2147############################################################################# 3212#############################################################################
3213# the server's init and main functions
2148 3214
2149=head2 EXTENSION DATABASE SUPPORT 3215sub load_facedata($) {
3216 my ($path) = @_;
2150 3217
2151Crossfire maintains a very simple database for extension use. It can 3218 # HACK to clear player env face cache, we need some signal framework
2152currently store anything that can be serialised using Storable, which 3219 # for this (global event?)
2153excludes objects. 3220 %ext::player_env::MUSIC_FACE_CACHE = ();
2154 3221
2155The parameter C<$family> should best start with the name of the extension 3222 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156using it, it should be unique.
2157 3223
2158=over 4 3224 warn "loading facedata from $path\n";
2159 3225
2160=item $hashref = cf::db_get $family 3226 my $facedata;
3227 0 < aio_load $path, $facedata
3228 or die "$path: $!";
2161 3229
2162Return a hashref for use by the extension C<$family>, which can be 3230 $facedata = Coro::Storable::thaw $facedata;
2163modified. After modifications, you have to call C<cf::db_dirty> or
2164C<cf::db_sync>.
2165 3231
2166=item $value = cf::db_get $family => $key 3232 $facedata->{version} == 2
3233 or cf::cleanup "$path: version mismatch, cannot proceed.";
2167 3234
2168Returns a single value from the database 3235 # patch in the exptable
2169 3236 $facedata->{resource}{"res/exp_table"} = {
2170=item cf::db_put $family => $hashref 3237 type => FT_RSRC,
2171 3238 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172Stores the given family hashref into the database. Updates are delayed, if
2173you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175=item cf::db_put $family => $key => $value
2176
2177Stores the given C<$value> in the family hash. Updates are delayed, if you
2178want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180=item cf::db_dirty
2181
2182Marks the database as dirty, to be updated at a later time.
2183
2184=item cf::db_sync
2185
2186Immediately write the database to disk I<if it is dirty>.
2187
2188=cut
2189
2190our $DB;
2191
2192{
2193 my $path = cf::localdir . "/database.pst";
2194
2195 sub db_load() {
2196 $DB = stat $path ? Storable::retrieve $path : { };
2197 } 3239 };
3240 cf::cede_to_tick;
2198 3241
2199 my $pid;
2200
2201 sub db_save() {
2202 waitpid $pid, 0 if $pid;
2203 if (0 == ($pid = fork)) {
2204 $DB->{_meta}{version} = 1;
2205 Storable::nstore $DB, "$path~";
2206 rename "$path~", $path;
2207 cf::_exit 0 if defined $pid;
2208 }
2209 } 3242 {
3243 my $faces = $facedata->{faceinfo};
2210 3244
2211 my $dirty; 3245 while (my ($face, $info) = each %$faces) {
3246 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212 3247
2213 sub db_sync() { 3248 cf::face::set_visibility $idx, $info->{visibility};
2214 db_save if $dirty; 3249 cf::face::set_magicmap $idx, $info->{magicmap};
2215 undef $dirty; 3250 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2216 } 3251 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2217 3252
2218 my $idle = Event->idle ( 3253 cf::cede_to_tick;
2219 reentrant => 0,
2220 min => 10,
2221 max => 20,
2222 repeat => 0,
2223 data => WF_AUTOCANCEL,
2224 cb => \&db_sync,
2225 );
2226
2227 sub db_dirty() {
2228 $dirty = 1;
2229 $idle->start;
2230 }
2231
2232 sub db_get($;$) {
2233 @_ >= 2
2234 ? $DB->{$_[0]}{$_[1]}
2235 : ($DB->{$_[0]} ||= { })
2236 }
2237
2238 sub db_put($$;$) {
2239 if (@_ >= 3) {
2240 $DB->{$_[0]}{$_[1]} = $_[2];
2241 } else {
2242 $DB->{$_[0]} = $_[1];
2243 }
2244 db_dirty;
2245 }
2246
2247 cf::global->attach (
2248 prio => 10000,
2249 on_cleanup => sub {
2250 db_sync;
2251 }, 3254 }
2252 );
2253}
2254 3255
2255############################################################################# 3256 while (my ($face, $info) = each %$faces) {
2256# the server's main() 3257 next unless $info->{smooth};
2257 3258
2258sub cfg_load { 3259 my $idx = cf::face::find $face
3260 or next;
3261
3262 if (my $smooth = cf::face::find $info->{smooth}) {
3263 cf::face::set_smooth $idx, $smooth;
3264 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3265 } else {
3266 warn "smooth face '$info->{smooth}' not found for face '$face'";
3267 }
3268
3269 cf::cede_to_tick;
3270 }
3271 }
3272
3273 {
3274 my $anims = $facedata->{animinfo};
3275
3276 while (my ($anim, $info) = each %$anims) {
3277 cf::anim::set $anim, $info->{frames}, $info->{facings};
3278 cf::cede_to_tick;
3279 }
3280
3281 cf::anim::invalidate_all; # d'oh
3282 }
3283
3284 {
3285 # TODO: for gcfclient pleasure, we should give resources
3286 # that gcfclient doesn't grok a >10000 face index.
3287 my $res = $facedata->{resource};
3288
3289 while (my ($name, $info) = each %$res) {
3290 if (defined $info->{type}) {
3291 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292 my $data;
3293
3294 if ($info->{type} & 1) {
3295 # prepend meta info
3296
3297 my $meta = $enc->encode ({
3298 name => $name,
3299 %{ $info->{meta} || {} },
3300 });
3301
3302 $data = pack "(w/a*)*", $meta, $info->{data};
3303 } else {
3304 $data = $info->{data};
3305 }
3306
3307 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308 cf::face::set_type $idx, $info->{type};
3309 } else {
3310 $RESOURCE{$name} = $info;
3311 }
3312
3313 cf::cede_to_tick;
3314 }
3315 }
3316
3317 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318
3319 1
3320}
3321
3322cf::global->attach (on_resource_update => sub {
3323 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327 my $sound = $soundconf->{compat}[$_]
3328 or next;
3329
3330 my $face = cf::face::find "sound/$sound->[1]";
3331 cf::sound::set $sound->[0] => $face;
3332 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333 }
3334
3335 while (my ($k, $v) = each %{$soundconf->{event}}) {
3336 my $face = cf::face::find "sound/$v";
3337 cf::sound::set $k => $face;
3338 }
3339 }
3340});
3341
3342register_exticmd fx_want => sub {
3343 my ($ns, $want) = @_;
3344
3345 while (my ($k, $v) = each %$want) {
3346 $ns->fx_want ($k, $v);
3347 }
3348};
3349
3350sub load_resource_file($) {
3351 my $guard = lock_acquire "load_resource_file";
3352
3353 my $status = load_resource_file_ $_[0];
3354 get_slot 0.1, 100;
3355 cf::arch::commit_load;
3356
3357 $status
3358}
3359
3360sub reload_regions {
3361 # HACK to clear player env face cache, we need some signal framework
3362 # for this (global event?)
3363 %ext::player_env::MUSIC_FACE_CACHE = ();
3364
3365 load_resource_file "$MAPDIR/regions"
3366 or die "unable to load regions file\n";
3367
3368 for (cf::region::list) {
3369 $_->{match} = qr/$_->{match}/
3370 if exists $_->{match};
3371 }
3372}
3373
3374sub reload_facedata {
3375 load_facedata "$DATADIR/facedata"
3376 or die "unable to load facedata\n";
3377}
3378
3379sub reload_archetypes {
3380 load_resource_file "$DATADIR/archetypes"
3381 or die "unable to load archetypes\n";
3382}
3383
3384sub reload_treasures {
3385 load_resource_file "$DATADIR/treasures"
3386 or die "unable to load treasurelists\n";
3387}
3388
3389sub reload_resources {
3390 warn "reloading resource files...\n";
3391
3392 reload_facedata;
3393 reload_archetypes;
3394 reload_regions;
3395 reload_treasures;
3396
3397 warn "finished reloading resource files\n";
3398}
3399
3400sub init {
3401 my $guard = freeze_mainloop;
3402
3403 reload_resources;
3404}
3405
3406sub reload_config {
2259 open my $fh, "<:utf8", cf::confdir . "/config" 3407 open my $fh, "<:utf8", "$CONFDIR/config"
2260 or return; 3408 or return;
2261 3409
2262 local $/; 3410 local $/;
2263 *CFG = YAML::Syck::Load <$fh>; 3411 *CFG = YAML::Load <$fh>;
2264 3412
2265 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3413 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2266 3414
2267 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3415 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3416 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2279sub main { 3427sub main {
2280 # we must not ever block the main coroutine 3428 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3429 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3430 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3431 (async {
2284 Event::one_event; 3432 $Coro::current->{desc} = "IDLE BUG HANDLER";
3433 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3434 })->prio (Coro::PRIO_MAX);
2286 }; 3435 };
2287 3436
2288 cfg_load; 3437 {
2289 db_load; 3438 my $guard = freeze_mainloop;
3439 reload_config;
3440 db_init;
2290 load_extensions; 3441 load_extensions;
2291 3442
2292 $TICK_WATCHER->start; 3443 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3444 }
3445
2293 Event::loop; 3446 EV::loop;
2294} 3447}
2295 3448
2296############################################################################# 3449#############################################################################
2297# initialisation and cleanup 3450# initialisation and cleanup
2298 3451
2299# install some emergency cleanup handlers 3452# install some emergency cleanup handlers
2300BEGIN { 3453BEGIN {
3454 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3455 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3456 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3457 cf::cleanup "SIG$signal";
2309 },
2310 ); 3458 };
3459 }
3460}
3461
3462sub write_runtime_sync {
3463 my $runtime = "$LOCALDIR/runtime";
3464
3465 # first touch the runtime file to show we are still running:
3466 # the fsync below can take a very very long time.
3467
3468 IO::AIO::aio_utime $runtime, undef, undef;
3469
3470 my $guard = cf::lock_acquire "write_runtime";
3471
3472 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3473 or return;
3474
3475 my $value = $cf::RUNTIME + 90 + 10;
3476 # 10 is the runtime save interval, for a monotonic clock
3477 # 60 allows for the watchdog to kill the server.
3478
3479 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3480 and return;
3481
3482 # always fsync - this file is important
3483 aio_fsync $fh
3484 and return;
3485
3486 # touch it again to show we are up-to-date
3487 aio_utime $fh, undef, undef;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$runtime~", $runtime
3493 and return;
3494
3495 warn "runtime file written.\n";
3496
2311 } 3497 1
3498}
3499
3500our $uuid_lock;
3501our $uuid_skip;
3502
3503sub write_uuid_sync($) {
3504 $uuid_skip ||= $_[0];
3505
3506 return if $uuid_lock;
3507 local $uuid_lock = 1;
3508
3509 my $uuid = "$LOCALDIR/uuid";
3510
3511 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512 or return;
3513
3514 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3515 $uuid_skip = 0;
3516
3517 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3518 and return;
3519
3520 # always fsync - this file is important
3521 aio_fsync $fh
3522 and return;
3523
3524 close $fh
3525 or return;
3526
3527 aio_rename "$uuid~", $uuid
3528 and return;
3529
3530 warn "uuid file written ($value).\n";
3531
3532 1
3533
3534}
3535
3536sub write_uuid($$) {
3537 my ($skip, $sync) = @_;
3538
3539 $sync ? write_uuid_sync $skip
3540 : async { write_uuid_sync $skip };
2312} 3541}
2313 3542
2314sub emergency_save() { 3543sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3544 my $freeze_guard = cf::freeze_mainloop;
2316 3545
2322 # and maps saved/destroyed asynchronously. 3551 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3552 warn "begin emergency player save\n";
2324 for my $login (keys %cf::PLAYER) { 3553 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3554 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3555 $pl->valid or next;
3556 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3557 $pl->save;
2328 } 3558 }
2329 warn "end emergency player save\n"; 3559 warn "end emergency player save\n";
2330 3560
2331 warn "begin emergency map save\n"; 3561 warn "begin emergency map save\n";
2333 my $map = $cf::MAP{$path} or next; 3563 my $map = $cf::MAP{$path} or next;
2334 $map->valid or next; 3564 $map->valid or next;
2335 $map->save; 3565 $map->save;
2336 } 3566 }
2337 warn "end emergency map save\n"; 3567 warn "end emergency map save\n";
3568
3569 warn "begin emergency database checkpoint\n";
3570 BDB::db_env_txn_checkpoint $DB_ENV;
3571 warn "end emergency database checkpoint\n";
3572
3573 warn "begin write uuid\n";
3574 write_uuid_sync 1;
3575 warn "end write uuid\n";
2338 }; 3576 };
2339 3577
2340 warn "leave emergency perl save\n"; 3578 warn "leave emergency perl save\n";
2341} 3579}
2342 3580
3581sub post_cleanup {
3582 my ($make_core) = @_;
3583
3584 warn Carp::longmess "post_cleanup backtrace"
3585 if $make_core;
3586}
3587
2343sub reload() { 3588sub do_reload_perl() {
2344 # can/must only be called in main 3589 # can/must only be called in main
2345 if ($Coro::current != $Coro::main) { 3590 if ($Coro::current != $Coro::main) {
2346 warn "can only reload from main coroutine"; 3591 warn "can only reload from main coroutine";
2347 return; 3592 return;
2348 } 3593 }
2349 3594
2350 warn "reloading..."; 3595 warn "reloading...";
2351 3596
2352 warn "cancelling server ticker"; 3597 warn "entering sync_job";
2353 $TICK_WATCHER->cancel;
2354 3598
3599 cf::sync_job {
3600 cf::write_runtime_sync; # external watchdog should not bark
2355 cf::emergency_save; 3601 cf::emergency_save;
3602 cf::write_runtime_sync; # external watchdog should not bark
2356 3603
2357 eval { 3604 warn "syncing database to disk";
3605 BDB::db_env_txn_checkpoint $DB_ENV;
3606
2358 # if anything goes wrong in here, we should simply crash as we already saved 3607 # if anything goes wrong in here, we should simply crash as we already saved
2359
2360 warn "syncing database to disk";
2361 cf::db_sync;
2362
2363 warn "cancelling all WF_AUTOCANCEL watchers";
2364 for (Event::all_watchers) {
2365 $_->cancel if $_->data & WF_AUTOCANCEL;
2366 }
2367 3608
2368 warn "flushing outstanding aio requests"; 3609 warn "flushing outstanding aio requests";
2369 for (;;) { 3610 for (;;) {
3611 BDB::flush;
2370 IO::AIO::flush; 3612 IO::AIO::flush;
2371 Coro::cede; 3613 Coro::cede_notself;
2372 last unless IO::AIO::nreqs; 3614 last unless IO::AIO::nreqs || BDB::nreqs;
2373 warn "iterate..."; 3615 warn "iterate...";
2374 } 3616 }
3617
3618 ++$RELOAD;
2375 3619
2376 warn "cancelling all extension coros"; 3620 warn "cancelling all extension coros";
2377 $_->cancel for values %EXT_CORO; 3621 $_->cancel for values %EXT_CORO;
2378 %EXT_CORO = (); 3622 %EXT_CORO = ();
2379 3623
2380 warn "removing commands"; 3624 warn "removing commands";
2381 %COMMAND = (); 3625 %COMMAND = ();
2382 3626
2383 warn "removing ext commands"; 3627 warn "removing ext/exti commands";
2384 %EXTCMD = (); 3628 %EXTCMD = ();
3629 %EXTICMD = ();
2385 3630
2386 warn "unloading/nuking all extensions"; 3631 warn "unloading/nuking all extensions";
2387 for my $pkg (@EXTS) { 3632 for my $pkg (@EXTS) {
2388 warn "... unloading $pkg"; 3633 warn "... unloading $pkg";
2389 3634
2419 Symbol::delete_package "safe::$_" 3664 Symbol::delete_package "safe::$_"
2420 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3665 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421 3666
2422 warn "unloading cf.pm \"a bit\""; 3667 warn "unloading cf.pm \"a bit\"";
2423 delete $INC{"cf.pm"}; 3668 delete $INC{"cf.pm"};
3669 delete $INC{"cf/pod.pm"};
2424 3670
2425 # don't, removes xs symbols, too, 3671 # don't, removes xs symbols, too,
2426 # and global variables created in xs 3672 # and global variables created in xs
2427 #Symbol::delete_package __PACKAGE__; 3673 #Symbol::delete_package __PACKAGE__;
2428 3674
2431 warn "reloading cf.pm"; 3677 warn "reloading cf.pm";
2432 require cf; 3678 require cf;
2433 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3679 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434 3680
2435 warn "loading config and database again"; 3681 warn "loading config and database again";
2436 cf::cfg_load; 3682 cf::reload_config;
2437 cf::db_load;
2438 3683
2439 warn "loading extensions"; 3684 warn "loading extensions";
2440 cf::load_extensions; 3685 cf::load_extensions;
2441 3686
2442 warn "reattaching attachments to objects/players"; 3687 warn "reattaching attachments to objects/players";
2443 _global_reattach; 3688 _global_reattach; # objects, sockets
2444 warn "reattaching attachments to maps"; 3689 warn "reattaching attachments to maps";
2445 reattach $_ for values %MAP; 3690 reattach $_ for values %MAP;
3691 warn "reattaching attachments to players";
3692 reattach $_ for values %PLAYER;
2446 3693
2447 warn "restarting server ticker"; 3694 warn "leaving sync_job";
2448 3695
2449 $TICK_WATCHER->start; 3696 1
3697 } or do {
3698 warn $@;
3699 cf::cleanup "error while reloading, exiting.";
2450 }; 3700 };
2451
2452 if ($@) {
2453 warn $@;
2454 warn "error while reloading, exiting.";
2455 exit 1;
2456 }
2457 3701
2458 warn "reloaded"; 3702 warn "reloaded";
2459}; 3703};
2460 3704
2461our $RELOAD_WATCHER; # used only during reload 3705our $RELOAD_WATCHER; # used only during reload
2462 3706
3707sub reload_perl() {
3708 # doing reload synchronously and two reloads happen back-to-back,
3709 # coro crashes during coro_state_free->destroy here.
3710
3711 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3712 do_reload_perl;
3713 undef $RELOAD_WATCHER;
3714 };
3715}
3716
2463register_command "reload" => sub { 3717register_command "reload" => sub {
2464 my ($who, $arg) = @_; 3718 my ($who, $arg) = @_;
2465 3719
2466 if ($who->flag (FLAG_WIZ)) { 3720 if ($who->flag (FLAG_WIZ)) {
2467 $who->message ("reloading server."); 3721 $who->message ("reloading server.");
2468 3722 async {
2469 # doing reload synchronously and two reloads happen back-to-back, 3723 $Coro::current->{desc} = "perl_reload";
2470 # coro crashes during coro_state_free->destroy here.
2471
2472 $RELOAD_WATCHER ||= Event->timer (
2473 reentrant => 0,
2474 after => 0,
2475 data => WF_AUTOCANCEL,
2476 cb => sub {
2477 reload; 3724 reload_perl;
2478 undef $RELOAD_WATCHER;
2479 },
2480 ); 3725 };
2481 } 3726 }
2482}; 3727};
2483 3728
2484unshift @INC, $LIBDIR; 3729unshift @INC, $LIBDIR;
2485 3730
2486my $bug_warning = 0; 3731my $bug_warning = 0;
2487 3732
2488$TICK_WATCHER = Event->timer ( 3733our @WAIT_FOR_TICK;
2489 reentrant => 0, 3734our @WAIT_FOR_TICK_BEGIN;
2490 parked => 1, 3735
2491 prio => 0, 3736sub wait_for_tick {
2492 at => $NEXT_TICK || $TICK, 3737 return if tick_inhibit || $Coro::current == $Coro::main;
2493 data => WF_AUTOCANCEL, 3738
2494 cb => sub { 3739 my $signal = new Coro::Signal;
3740 push @WAIT_FOR_TICK, $signal;
3741 $signal->wait;
3742}
3743
3744sub wait_for_tick_begin {
3745 return if tick_inhibit || $Coro::current == $Coro::main;
3746
3747 my $signal = new Coro::Signal;
3748 push @WAIT_FOR_TICK_BEGIN, $signal;
3749 $signal->wait;
3750}
3751
3752sub tick {
2495 if ($Coro::current != $Coro::main) { 3753 if ($Coro::current != $Coro::main) {
2496 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3754 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497 unless ++$bug_warning > 10; 3755 unless ++$bug_warning > 10;
2498 return; 3756 return;
2499 } 3757 }
2500 3758
2501 $NOW = Event::time;
2502
2503 cf::server_tick; # one server iteration 3759 cf::server_tick; # one server iteration
2504 $RUNTIME += $TICK;
2505 $NEXT_TICK += $TICK;
2506 3760
2507 $WAIT_FOR_TICK->broadcast; 3761 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3762 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2509 3763 Coro::async_pool {
2510 Event::sweep; 3764 $Coro::current->{desc} = "runtime saver";
2511 Coro::cede_notself;
2512
2513# my $AFTER = Event::time;
2514# warn $AFTER - $NOW;#d#
2515
2516 # if we are delayed by four ticks or more, skip them all
2517 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519 $TICK_WATCHER->at ($NEXT_TICK);
2520 $TICK_WATCHER->start;
2521 },
2522);
2523
2524IO::AIO::max_poll_time $TICK * 0.1;
2525
2526undef $Coro::AIO::WATCHER;
2527$AIO_POLL_WATCHER = Event->io (
2528 reentrant => 0,
2529 fd => IO::AIO::poll_fileno,
2530 poll => 'r',
2531 prio => 6,
2532 data => WF_AUTOCANCEL,
2533 cb => \&IO::AIO::poll_cb,
2534);
2535
2536$WRITE_RUNTIME_WATCHER = Event->timer (
2537 reentrant => 0,
2538 data => WF_AUTOCANCEL,
2539 after => 1,
2540 interval => 10,
2541 prio => 6, # keep it lowest so it acts like a watchdog
2542 cb => Coro::unblock_sub {
2543 write_runtime 3765 write_runtime_sync
2544 or warn "ERROR: unable to write runtime file: $!"; 3766 or warn "ERROR: unable to write runtime file: $!";
3767 };
2545 }, 3768 }
2546); 3769
3770 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771 $sig->send;
3772 }
3773 while (my $sig = shift @WAIT_FOR_TICK) {
3774 $sig->send;
3775 }
3776
3777 $LOAD = ($NOW - $TICK_START) / $TICK;
3778 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779
3780 if (0) {
3781 if ($NEXT_TICK) {
3782 my $jitter = $TICK_START - $NEXT_TICK;
3783 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784 warn "jitter $JITTER\n";#d#
3785 }
3786 }
3787}
3788
3789{
3790 # configure BDB
3791
3792 BDB::min_parallel 8;
3793 BDB::max_poll_reqs $TICK * 0.1;
3794 $AnyEvent::BDB::WATCHER->priority (1);
3795
3796 unless ($DB_ENV) {
3797 $DB_ENV = BDB::db_env_create;
3798 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3799 | BDB::LOG_AUTOREMOVE, 1);
3800 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802
3803 cf::sync_job {
3804 eval {
3805 BDB::db_env_open
3806 $DB_ENV,
3807 $BDBDIR,
3808 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3809 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3810 0666;
3811
3812 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3813 };
3814
3815 cf::cleanup "db_env_open(db): $@" if $@;
3816 };
3817 }
3818
3819 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3820 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3821 };
3822 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3823 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824 };
3825 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827 };
3828}
3829
3830{
3831 # configure IO::AIO
3832
3833 IO::AIO::min_parallel 8;
3834 IO::AIO::max_poll_time $TICK * 0.1;
3835 #undef $AnyEvent::AIO::WATCHER;
3836}
3837
3838my $_log_backtrace;
3839
3840sub _log_backtrace {
3841 my ($msg, @addr) = @_;
3842
3843 $msg =~ s/\n//;
3844
3845 # limit the # of concurrent backtraces
3846 if ($_log_backtrace < 2) {
3847 ++$_log_backtrace;
3848 async {
3849 $Coro::current->{desc} = "abt $msg";
3850
3851 my @bt = fork_call {
3852 @addr = map { sprintf "%x", $_ } @addr;
3853 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3854 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3855 or die "addr2line: $!";
3856
3857 my @funcs;
3858 my @res = <$fh>;
3859 chomp for @res;
3860 while (@res) {
3861 my ($func, $line) = splice @res, 0, 2, ();
3862 push @funcs, "[$func] $line";
3863 }
3864
3865 @funcs
3866 };
3867
3868 LOG llevInfo, "[ABT] $msg\n";
3869 LOG llevInfo, "[ABT] $_\n" for @bt;
3870 --$_log_backtrace;
3871 };
3872 } else {
3873 LOG llevInfo, "[ABT] $msg\n";
3874 LOG llevInfo, "[ABT] [suppressed]\n";
3875 }
3876}
3877
3878# load additional modules
3879use cf::pod;
2547 3880
2548END { cf::emergency_save } 3881END { cf::emergency_save }
2549 3882
3883evthread_start IO::AIO::poll_fileno;
3884
25501 38851
2551 3886

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