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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
13use Coro 3.3 (); 37use Coro ();
38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
14use Coro::Event; 41use Coro::AnyEvent;
15use Coro::Timer; 42use Coro::Timer;
16use Coro::Signal; 43use Coro::Signal;
17use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
18use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
19 50
51use JSON::XS 2.01 ();
52use BDB ();
20use Data::Dumper; 53use Data::Dumper;
21use Digest::MD5; 54use Digest::MD5;
22use Fcntl; 55use Fcntl;
56use YAML ();
23use IO::AIO 2.32 (); 57use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 58use Time::HiRes;
59use Compress::LZF;
60use Digest::MD5 ();
26 61
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 62AnyEvent::detect;
63
64# configure various modules to our taste
65#
66$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
81our %EXT_MAP = (); # pluggable maps
42 82
83our $RELOAD; # number of reloads so far
43our @EVENT; 84our @EVENT;
44our $LIBDIR = datadir . "/ext";
45 85
46our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
47our $TICK_WATCHER; 87our $DATADIR = datadir;
88our $LIBDIR = "$DATADIR/ext";
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
48our $NEXT_TICK; 101our $NEXT_TICK;
49our $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;
50 108
51our %CFG; 109our %CFG;
52 110
53our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
54our $RUNTIME; 112our $RUNTIME;
113our $NOW;
55 114
56our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
57our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
58our $LINK_MAP; # the special {link} map 117our $LINK_MAP; # the special {link} map, which is always available
59our $RANDOM_MAPS = cf::localdir . "/random";
60 118
61our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 119# used to convert map paths into valid unix filenames by replacing / by ∕
62our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
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 $TICK_START; # for load detecting purposes
63 126
64binmode STDOUT; 127binmode STDOUT;
65binmode STDERR; 128binmode STDERR;
66 129
67# read virtual server time, if available 130# read virtual server time, if available
68unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
70 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
71 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
72} 135}
73 136
74mkdir cf::localdir; 137mkdir $_
75mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76mkdir cf::localdir . "/" . cf::tmpdir;
77mkdir cf::localdir . "/" . cf::uniquedir;
78mkdir $RANDOM_MAPS;
79 139
80# a special map that is always available
81our $LINK_MAP;
82our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
141
142sub cf::map::normalise;
83 143
84############################################################################# 144#############################################################################
85 145
86=head2 GLOBAL VARIABLES 146=head2 GLOBAL VARIABLES
87 147
… …
94=item $cf::RUNTIME 154=item $cf::RUNTIME
95 155
96The 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
97every server tick. 157every server tick.
98 158
99=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
100 162
101The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
102be 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.
103 167
104=item $cf::NOW 168=item $cf::NOW
105 169
106The time of the last (current) server tick. 170The time of the last (current) server tick.
107 171
108=item $cf::TICK 172=item $cf::TICK
109 173
110The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
111 175
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
112=item %cf::CFG 186=item %cf::CFG
113 187
114Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115from wherever your confdir points to. 189from wherever your confdir points to.
116 190
117=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
118 192
119These 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
120or 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
121processing 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.
122window 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.
123 202
124=back 203=back
125 204
126=cut 205=cut
127 206
128BEGIN { 207BEGIN {
129 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
130 my $msg = join "", @_; 209 my $msg = join "", @_;
131 utf8::encode $msg;
132 210
133 $msg .= "\n" 211 $msg .= "\n"
134 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
135 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
136 LOG llevError, $msg; 216 LOG llevError, $msg;
137 }; 217 };
138} 218}
219
220$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#?
139 234
140@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144@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';
145@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)
146 242
147# 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
148# within the Safe compartment. 244# within the Safe compartment.
149for my $pkg (qw( 245for my $pkg (qw(
150 cf::global cf::attachable 246 cf::global cf::attachable
151 cf::object cf::object::player 247 cf::object cf::object::player
152 cf::client cf::player 248 cf::client cf::player
153 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
154 cf::map cf::party cf::region 251 cf::party cf::region
155)) { 252)) {
156 no strict 'refs';
157 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158} 254}
159 255
160$Event::DIED = sub { 256$EV::DIED = sub {
161 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
162}; 258};
259
260#############################################################################
163 261
164=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
165 263
166=over 4 264=over 4
167 265
… …
186 $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;
187 $d 285 $d
188 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
189} 287}
190 288
191use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
194 290
195Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
196 292
197=cut
198
199sub from_json($) {
200 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201 JSON::Syck::Load $_[0]
202}
203
204=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
205 294
206Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
207 296
208=cut 297=cut
209 298
210sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
212 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
213} 302sub decode_json($) { $json_coder->decode ($_[0]) }
214 303
215=item cf::lock_wait $string 304=item cf::lock_wait $string
216 305
217Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
218 307
… …
221Wait 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
222a 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,
223for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
224returned. 313returned.
225 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
226Lock 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
227uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
228 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
229=cut 325=cut
230 326
231our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
232 329
233sub lock_wait($) { 330sub lock_wait($) {
234 my ($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#
235 337
236 # wait for lock, if any 338 # wait for lock, if any
237 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
238 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
239 Coro::schedule; 341 Coro::schedule;
… …
245 347
246 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
247 lock_wait $key; 349 lock_wait $key;
248 350
249 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
250 353
251 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
252 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
253 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
254 } 358 }
255} 359}
256 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
257sub freeze_mainloop { 367sub freeze_mainloop {
258 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
259 369
260 my $guard = Coro::guard { $TICK_WATCHER->start }; 370 Coro::guard \&tick_inhibit_dec;
261 $TICK_WATCHER->stop; 371}
262 $guard 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($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
431 }
432};
433
434sub get_slot($;$$) {
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 $sig->wait;
263} 446}
264 447
265=item cf::async { BLOCK } 448=item cf::async { BLOCK }
266 449
267Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
… …
272 455
273BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
274 457
275=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
276 459
277The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
278always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
279reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
280 464
281If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
282the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
283server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
284fast or be very important. 468fast or be very important.
… …
287 471
288sub sync_job(&) { 472sub sync_job(&) {
289 my ($job) = @_; 473 my ($job) = @_;
290 474
291 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
292 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
293 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
294 480
295 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
296 # (but this is cancel-safe) 482
297 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
298 484
299 my $busy = 1; 485 my $busy = 1;
300 my @res; 486 my @res;
301 487
302 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
303 @res = eval { $job->() }; 490 @res = eval { $job->() };
304 warn $@ if $@; 491 warn $@ if $@;
305 undef $busy; 492 undef $busy;
306 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
307 494
308 while ($busy) { 495 while ($busy) {
309 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
310 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
311 506
312 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
313 } else { 508 } else {
314 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
315 510
… …
335 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
336 531
337 $coro 532 $coro
338} 533}
339 534
340sub write_runtime { 535=item fork_call { }, $args
341 my $runtime = cf::localdir . "/runtime";
342 536
343 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537Executes the given code block with the given arguments in a seperate
344 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.
345 541
346 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 542=cut
347 (aio_write $fh, 0, (length $value), $value, 0) <= 0
348 and return;
349 543
350 aio_fsync $fh 544sub fork_call(&@) {
351 and return; 545 my ($cb, @args) = @_;
352 546
353 close $fh 547 # we seemingly have to make a local copy of the whole thing,
354 or return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
355 550
356 aio_rename "$runtime~", $runtime 551 my @res = Coro::Util::fork_eval {
357 and return; 552 reset_signals;
553 &$cb
554 }, @args;
358 555
556 wantarray ? @res : $res[-1]
557}
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($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
359 1 635 }
636}
637
638sub db_put($$$) {
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 });
360} 722}
361 723
362=back 724=back
363 725
364=cut 726=cut
365
366#############################################################################
367
368package cf::path;
369
370use overload
371 '""' => \&as_string;
372
373# used to convert map paths into valid unix filenames by repalcing / by ∕
374our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376sub new {
377 my ($class, $path, $base) = @_;
378
379 $path = $path->as_string if ref $path;
380
381 my $self = bless { }, $class;
382
383 # {... are special paths that are not touched
384 # ?xxx/... are special absolute paths
385 # ?random/... random maps
386 # /! non-realised random map exit
387 # /... normal maps
388 # ~/... per-player maps without a specific player (DO NOT USE)
389 # ~user/... per-player map of a specific user
390
391 $path =~ s/$PATH_SEP/\//go;
392
393 if ($path =~ /^{/) {
394 # fine as it is
395 } elsif ($path =~ s{^\?random/}{}) {
396 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397 $self->{random} = cf::from_json $data;
398 } else {
399 if ($path =~ s{^~([^/]+)?}{}) {
400 $self->{user_rel} = 1;
401
402 if (defined $1) {
403 $self->{user} = $1;
404 } elsif ($base =~ m{^~([^/]+)/}) {
405 $self->{user} = $1;
406 } else {
407 warn "cannot resolve user-relative path without user <$path,$base>\n";
408 }
409 } elsif ($path =~ /^\//) {
410 # already absolute
411 } else {
412 $base =~ s{[^/]+/?$}{};
413 return $class->new ("$base/$path");
414 }
415
416 for ($path) {
417 redo if s{/\.?/}{/};
418 redo if s{/[^/]+/\.\./}{/};
419 }
420 }
421
422 $self->{path} = $path;
423
424 $self
425}
426
427# the name / primary key / in-game path
428sub as_string {
429 my ($self) = @_;
430
431 $self->{user_rel} ? "~$self->{user}$self->{path}"
432 : $self->{random} ? "?random/$self->{path}"
433 : $self->{path}
434}
435
436# the displayed name, this is a one way mapping
437sub visible_name {
438 my ($self) = @_;
439
440# if (my $rmp = $self->{random}) {
441# # todo: be more intelligent about this
442# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443# } else {
444 $self->as_string
445# }
446}
447
448# escape the /'s in the path
449sub _escaped_path {
450 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451 $path
452}
453
454# the original (read-only) location
455sub load_path {
456 my ($self) = @_;
457
458 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459}
460
461# the temporary/swap location
462sub save_path {
463 my ($self) = @_;
464
465 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468}
469
470# the unique path, might be eq to save_path
471sub uniq_path {
472 my ($self) = @_;
473
474 $self->{user_rel} || $self->{random}
475 ? undef
476 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477}
478
479# return random map parameters, or undef
480sub random_map_params {
481 my ($self) = @_;
482
483 $self->{random}
484}
485
486# this is somewhat ugly, but style maps do need special treatment
487sub is_style_map {
488 $_[0]{path} =~ m{^/styles/}
489}
490
491package cf;
492 727
493############################################################################# 728#############################################################################
494 729
495=head2 ATTACHABLE OBJECTS 730=head2 ATTACHABLE OBJECTS
496 731
… …
498attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
499to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
500 735
501In 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>
502C<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
503crossfire+). 738Deliantra).
504 739
505=over 4 740=over 4
506 741
507=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
508 743
… …
622our @CB_TYPE = (); # registry for type (cf-object class) based events 857our @CB_TYPE = (); # registry for type (cf-object class) based events
623our @CB_MAP = (); 858our @CB_MAP = ();
624 859
625my %attachment; 860my %attachment;
626 861
862sub cf::attachable::thawer_merge {
863 # simply override everything except _meta
864 local $_[0]{_meta};
865 %{$_[0]} = %{$_[1]};
866}
867
627sub _attach_cb($$$$) { 868sub _attach_cb($$$$) {
628 my ($registry, $event, $prio, $cb) = @_; 869 my ($registry, $event, $prio, $cb) = @_;
629 870
630 use sort 'stable'; 871 use sort 'stable';
631 872
… …
665 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
666 907
667 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
668 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
669 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
670 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671 912
672 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
673 my $pkg = shift @arg; 914 my $pkg = shift @arg;
674 915
675 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
… …
704 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
705 } 946 }
706 947
707 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
708 } else { 949 } else {
709 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
710 } 951 }
711 952
712 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
713} 954}
714 955
… …
716 if (ref $_[0]) { 957 if (ref $_[0]) {
717 _object_attach @_; 958 _object_attach @_;
718 } else { 959 } else {
719 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
720 } 961 }
962 _recalc_want;
721}; 963};
722 964
723# all those should be optimised 965# all those should be optimised
724sub cf::attachable::detach { 966sub cf::attachable::detach {
725 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
… …
728 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
729 reattach ($obj); 971 reattach ($obj);
730 } else { 972 } else {
731 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
732 } 974 }
975 _recalc_want;
733}; 976};
734 977
735sub cf::attachable::attached { 978sub cf::attachable::attached {
736 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
737 980
… …
752 "; 995 ";
753 die if $@; 996 die if $@;
754} 997}
755 998
756our $override; 999our $override;
757our @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?
758 1001
759sub override { 1002sub override {
760 $override = 1; 1003 $override = 1;
761 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
762} 1005}
763 1006
764sub do_invoke { 1007sub do_invoke {
765 my $event = shift; 1008 my $event = shift;
766 my $callbacks = shift; 1009 my $callbacks = shift;
767 1010
768 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
769 1012
770 local $override; 1013 local $override;
771 1014
772 for (@$callbacks) { 1015 for (@$callbacks) {
773 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
… …
782 } 1025 }
783 1026
784 0 1027 0
785} 1028}
786 1029
787=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
788 1031
789=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
790 1033
791Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
792 1035
793This 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
794removed 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
795results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796 1039
797=back 1040=back
798 1041
799=cut 1042=cut
800 1043
801############################################################################# 1044#############################################################################
802# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
803 1088
804sub reattach { 1089sub reattach {
805 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
806 my ($obj) = @_; 1091 my ($obj) = @_;
1092
1093 # no longer needed after getting rid of delete_package?
1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807 1095
808 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
809 1097
810 @$registry = (); 1098 @$registry = ();
811 1099
… …
826cf::attachable->attach ( 1114cf::attachable->attach (
827 prio => -1000000, 1115 prio => -1000000,
828 on_instantiate => sub { 1116 on_instantiate => sub {
829 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
830 1118
831 $data = from_json $data; 1119 $data = decode_json $data;
832 1120
833 for (@$data) { 1121 for (@$data) {
834 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
835 1123
836 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
… …
852sub object_freezer_save { 1140sub object_freezer_save {
853 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
854 1142
855 sync_job { 1143 sync_job {
856 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
857 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
858 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
859 1148
860 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
862 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863 aio_fsync $fh; 1152 aio_fsync $fh if $cf::USE_FSYNC;
864 close $fh; 1153 aio_close $fh;
865 1154
866 if (@$objs) { 1155 if (@$objs) {
867 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
869 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
871 aio_fsync $fh; 1160 aio_fsync $fh if $cf::USE_FSYNC;
872 close $fh; 1161 aio_close $fh;
873 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
874 } 1163 }
875 } else { 1164 } else {
876 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
877 } 1166 }
… …
882 } 1171 }
883 } else { 1172 } else {
884 aio_unlink $filename; 1173 aio_unlink $filename;
885 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
886 } 1175 }
887 } 1176 };
888} 1177}
889 1178
890sub object_freezer_as_string { 1179sub object_freezer_as_string {
891 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
892 1181
… …
904 or return; 1193 or return;
905 1194
906 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
907 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
908 or return; 1197 or return;
1198
909 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
910 } 1201 }
911 1202
1203 utf8::decode (my $decname = $filename);
912 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
913 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
914 return ($data, $av); 1207 ($data, $av)
915} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
916 1215
917############################################################################# 1216#############################################################################
918# command handling &c 1217# command handling &c
919 1218
920=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
… …
933 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
934} 1233}
935 1234
936=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
937 1236
938Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
939 1242
940If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
941called. 1244called.
942 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
943=cut 1257=cut
944 1258
945sub register_extcmd { 1259sub register_extcmd {
946 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
947 1261
948 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
949} 1269}
950 1270
951cf::player->attach ( 1271cf::player->attach (
952 on_command => sub { 1272 on_command => sub {
953 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
… …
962 cf::override; 1282 cf::override;
963 }, 1283 },
964 on_extcmd => sub { 1284 on_extcmd => sub {
965 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
966 1286
967 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968 1288
969 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
970 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
971 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
972 $pl->ext_reply ($msg->{msgid}, %reply);
973 }
974 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
975 } else { 1304 } else {
976 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977 } 1306 }
978 1307
979 cf::override; 1308 cf::override;
980 }, 1309 },
981); 1310);
982 1311
983sub load_extension {
984 my ($path) = @_;
985
986 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
987 my $base = $1;
988 my $pkg = $1;
989 $pkg =~ s/[^[:word:]]/_/g;
990 $pkg = "ext::$pkg";
991
992 warn "... loading '$path' into '$pkg'\n";
993
994 open my $fh, "<:utf8", $path
995 or die "$path: $!";
996
997 my $source =
998 "package $pkg; use strict; use utf8;\n"
999 . "#line 1 \"$path\"\n{\n"
1000 . (do { local $/; <$fh> })
1001 . "\n};\n1";
1002
1003 eval $source
1004 or die $@ ? "$path: $@\n"
1005 : "extension disabled.\n";
1006
1007 push @EXTS, $pkg;
1008}
1009
1010sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
1011 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
1012 next unless -r $ext; 1317 next unless -r $path;
1013 eval { 1318
1014 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
1015 1 1375 }
1016 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
1017 } 1381 };
1018} 1382}
1019 1383
1020############################################################################# 1384#############################################################################
1021# load/save/clean perl data associated with a map
1022 1385
1023*cf::mapsupport::on_clean = sub { 1386=back
1024 my ($map) = @_;
1025
1026 my $path = $map->tmpname;
1027 defined $path or return;
1028
1029 unlink "$path.pst";
1030};
1031
1032cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034#############################################################################
1035 1387
1036=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
1037 1389
1038Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
1039 1391
… …
1045 1397
1046=head3 cf::player 1398=head3 cf::player
1047 1399
1048=over 4 1400=over 4
1049 1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1415
1050=item cf::player::find $login 1416=item cf::player::find $login
1051 1417
1052Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
1053 1419
1054=cut 1420=cut
1055 1421
1056sub playerdir($) { 1422sub playerdir($) {
1057 cf::localdir 1423 "$PLAYERDIR/"
1058 . "/"
1059 . cf::playerdir
1060 . "/"
1061 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1062} 1425}
1063 1426
1064sub path($) { 1427sub path($) {
1065 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066 1429
1067 (playerdir $login) . "/$login.pl" 1430 (playerdir $login) . "/playerdata"
1068} 1431}
1069 1432
1070sub find_active($) { 1433sub find_active($) {
1071 $cf::PLAYER{$_[0]} 1434 $cf::PLAYER{$_[0]}
1072 and $cf::PLAYER{$_[0]}->active 1435 and $cf::PLAYER{$_[0]}->active
… …
1075 1438
1076sub exists($) { 1439sub exists($) {
1077 my ($login) = @_; 1440 my ($login) = @_;
1078 1441
1079 $cf::PLAYER{$login} 1442 $cf::PLAYER{$login}
1080 or cf::sync_job { !aio_stat $login } 1443 or cf::sync_job { !aio_stat path $login }
1081} 1444}
1082 1445
1083sub find($) { 1446sub find($) {
1084 return $cf::PLAYER{$_[0]} || do { 1447 return $cf::PLAYER{$_[0]} || do {
1085 my $login = $_[0]; 1448 my $login = $_[0];
1086 1449
1087 my $guard = cf::lock_acquire "user_find:$login"; 1450 my $guard = cf::lock_acquire "user_find:$login";
1088 1451
1089 $cf::PLAYER{$_[0]} || do { 1452 $cf::PLAYER{$_[0]} || do {
1090 my $pl = load_pl path $login 1453 # rename old playerfiles to new ones
1454 #TODO: remove when no longer required
1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1458 aio_unlink +(playerdir $login) . "/$login.pl";
1459
1460 my $f = new_from_file cf::object::thawer path $login
1091 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
1092 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
1093 } 1469 }
1094 } 1470 }
1095} 1471}
1096 1472
… …
1105 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
1106 1482
1107 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
1108 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
1109 1485
1486 cf::get_slot 0.01;
1487
1110 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
1111 Coro::cede; 1489 cf::cede_to_tick;
1112} 1490}
1113 1491
1114sub new($) { 1492sub new($) {
1115 my ($login) = @_; 1493 my ($login) = @_;
1116 1494
… …
1122 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1123 1501
1124 $self 1502 $self
1125} 1503}
1126 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1127=item $pl->quit_character 1515=item $pl->quit_character
1128 1516
1129Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1130be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1131 1519
1132=cut 1520=cut
1133 1521
1134sub quit_character { 1522sub quit_character {
1135 my ($pl) = @_; 1523 my ($pl) = @_;
1136 1524
1525 my $name = $pl->ob->name;
1526
1137 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1138 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1139 1529
1140 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1141 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1142 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1143 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1144 1536
1145 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1146 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1147 aio_rename $path, $temp; 1539 aio_rename $path, $temp;
1148 delete $cf::PLAYER{$pl->ob->name}; 1540 delete $cf::PLAYER{$pl->ob->name};
1149 $pl->destroy; 1541 $pl->destroy;
1542
1543 my $prefix = qr<^~\Q$name\E/>;
1544
1545 # nuke player maps
1546 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1547
1150 IO::AIO::aio_rmtree $temp; 1548 IO::AIO::aio_rmtree $temp;
1549}
1550
1551=item $pl->kick
1552
1553Kicks a player out of the game. This destroys the connection.
1554
1555=cut
1556
1557sub kick {
1558 my ($pl, $kicker) = @_;
1559
1560 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1561 $pl->killer ("kicked");
1562 $pl->ns->destroy;
1151} 1563}
1152 1564
1153=item cf::player::list_logins 1565=item cf::player::list_logins
1154 1566
1155Returns am arrayref of all valid playernames in the system, can take a 1567Returns am arrayref of all valid playernames in the system, can take a
1156while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1157 1569
1158=cut 1570=cut
1159 1571
1160sub list_logins { 1572sub list_logins {
1161 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1162 or return []; 1574 or return [];
1163 1575
1164 my @logins; 1576 my @logins;
1165 1577
1166 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1167 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1169 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1170 1588
1171 utf8::decode $login; 1589 utf8::decode $login;
1172 push @logins, $login; 1590 push @logins, $login;
1173 } 1591 }
1174 1592
1175 \@logins 1593 \@logins
1176} 1594}
1177 1595
1178=item $player->maps 1596=item $player->maps
1179 1597
1180Returns an arrayref of cf::path's of all maps that are private for this 1598Returns an arrayref of map paths that are private for this
1181player. May block. 1599player. May block.
1182 1600
1183=cut 1601=cut
1184 1602
1185sub maps($) { 1603sub maps($) {
1186 my ($pl) = @_; 1604 my ($pl) = @_;
1605
1606 $pl = ref $pl ? $pl->ob->name : $pl;
1187 1607
1188 my $files = aio_readdir playerdir $pl 1608 my $files = aio_readdir playerdir $pl
1189 or return; 1609 or return;
1190 1610
1191 my @paths; 1611 my @paths;
… …
1193 for (@$files) { 1613 for (@$files) {
1194 utf8::decode $_; 1614 utf8::decode $_;
1195 next if /\.(?:pl|pst)$/; 1615 next if /\.(?:pl|pst)$/;
1196 next unless /^$PATH_SEP/o; 1616 next unless /^$PATH_SEP/o;
1197 1617
1198 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1618 push @paths, cf::map::normalise "~$pl/$_";
1199 } 1619 }
1200 1620
1201 \@paths 1621 \@paths
1202} 1622}
1203 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1204=item $player->ext_reply ($msgid, $msgtype, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1205 1629
1206Sends an ext reply to the player. 1630Sends an ext reply to the player.
1207 1631
1208=cut 1632=cut
1209 1633
1210sub ext_reply($$$%) { 1634sub ext_reply($$@) {
1211 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1212 1636
1213 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1214
1215 $self->send ("ext " . cf::to_json \%msg);
1216} 1638}
1217 1639
1218package cf; 1640=item $player->ext_msg ($type, @msg)
1641
1642Sends an ext event to the client.
1643
1644=cut
1645
1646sub ext_msg($$@) {
1647 my ($self, $type, @msg) = @_;
1648
1649 $self->ns->ext_msg ($type, @msg);
1650}
1651
1652=head3 cf::region
1653
1654=over 4
1655
1656=cut
1657
1658package cf::region;
1659
1660=item cf::region::find_by_path $path
1661
1662Tries to decuce the likely region for a map knowing only its path.
1663
1664=cut
1665
1666sub find_by_path($) {
1667 my ($path) = @_;
1668
1669 my ($match, $specificity);
1670
1671 for my $region (list) {
1672 if ($region->{match} && $path =~ $region->{match}) {
1673 ($match, $specificity) = ($region, $region->specificity)
1674 if $region->specificity > $specificity;
1675 }
1676 }
1677
1678 $match
1679}
1219 1680
1220=back 1681=back
1221
1222 1682
1223=head3 cf::map 1683=head3 cf::map
1224 1684
1225=over 4 1685=over 4
1226 1686
… …
1229package cf::map; 1689package cf::map;
1230 1690
1231use Fcntl; 1691use Fcntl;
1232use Coro::AIO; 1692use Coro::AIO;
1233 1693
1694use overload
1695 '""' => \&as_string,
1696 fallback => 1;
1697
1234our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1235our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1236 1700
1237sub generate_random_map { 1701sub generate_random_map {
1238 my ($path, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1239 1705
1240 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1241 cf::map::_create_random_map 1707 $self->_create_random_map (
1242 $path,
1243 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246 $rmp->{exit_on_final_map}, 1711 $rmp->{exit_on_final_map},
1247 $rmp->{xsize}, $rmp->{ysize}, 1712 $rmp->{xsize}, $rmp->{ysize},
1248 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1713 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1714 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1715 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1716 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1717 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253 (cf::region::find $rmp->{region}) 1718 (cf::region::find $rmp->{region}), $rmp->{custom}
1719 )
1720}
1721
1722=item cf::map->register ($regex, $prio)
1723
1724Register a handler for the map path matching the given regex at the
1725givne priority (higher is better, built-in handlers have priority 0, the
1726default).
1727
1728=cut
1729
1730sub register {
1731 my (undef, $regex, $prio) = @_;
1732 my $pkg = caller;
1733
1734 no strict;
1735 push @{"$pkg\::ISA"}, __PACKAGE__;
1736
1737 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1738}
1739
1740# also paths starting with '/'
1741$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1742
1743sub thawer_merge {
1744 my ($self, $merge) = @_;
1745
1746 # we have to keep some variables in memory intact
1747 local $self->{path};
1748 local $self->{load_path};
1749
1750 $self->SUPER::thawer_merge ($merge);
1751}
1752
1753sub normalise {
1754 my ($path, $base) = @_;
1755
1756 $path = "$path"; # make sure its a string
1757
1758 $path =~ s/\.map$//;
1759
1760 # map plan:
1761 #
1762 # /! non-realised random map exit (special hack!)
1763 # {... are special paths that are not being touched
1764 # ?xxx/... are special absolute paths
1765 # ?random/... random maps
1766 # /... normal maps
1767 # ~user/... per-player map of a specific user
1768
1769 $path =~ s/$PATH_SEP/\//go;
1770
1771 # treat it as relative path if it starts with
1772 # something that looks reasonable
1773 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1774 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1775
1776 $base =~ s{[^/]+/?$}{};
1777 $path = "$base/$path";
1778 }
1779
1780 for ($path) {
1781 redo if s{//}{/};
1782 redo if s{/\.?/}{/};
1783 redo if s{/[^/]+/\.\./}{/};
1784 }
1785
1786 $path
1787}
1788
1789sub new_from_path {
1790 my (undef, $path, $base) = @_;
1791
1792 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1793
1794 $path = normalise $path, $base;
1795
1796 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1797 if ($path =~ $EXT_MAP{$pkg}[1]) {
1798 my $self = bless cf::map::new, $pkg;
1799 $self->{path} = $path; $self->path ($path);
1800 $self->init; # pass $1 etc.
1801 return $self;
1802 }
1803 }
1804
1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1806 ()
1807}
1808
1809sub init {
1810 my ($self) = @_;
1811
1812 $self
1813}
1814
1815sub as_string {
1816 my ($self) = @_;
1817
1818 "$self->{path}"
1819}
1820
1821# the displayed name, this is a one way mapping
1822sub visible_name {
1823 &as_string
1824}
1825
1826# the original (read-only) location
1827sub load_path {
1828 my ($self) = @_;
1829
1830 "$MAPDIR/$self->{path}.map"
1831}
1832
1833# the temporary/swap location
1834sub save_path {
1835 my ($self) = @_;
1836
1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1838 "$TMPDIR/$path.map"
1839}
1840
1841# the unique path, undef == no special unique path
1842sub uniq_path {
1843 my ($self) = @_;
1844
1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1846 "$UNIQUEDIR/$path"
1254} 1847}
1255 1848
1256# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1257# all maps in C++... 1850# all maps in C++...
1258sub change_all_map_light { 1851sub change_all_map_light {
… …
1260 1853
1261 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1262 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1263} 1856}
1264 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1866sub unlink_save {
1867 my ($self) = @_;
1868
1869 utf8::encode (my $save = $self->save_path);
1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1871 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1872}
1873
1265sub try_load_header($) { 1874sub load_header_from($) {
1266 my ($path) = @_; 1875 my ($self, $path) = @_;
1267 1876
1268 utf8::encode $path; 1877 utf8::encode $path;
1269 aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1270 or return; 1879 or return;
1271 1880
1272 my $map = cf::map::new 1881 $self->_load_header ($f)
1273 or return; 1882 or return;
1274 1883
1275 # for better error messages only, will be overwritten 1884 local $MAP_LOADING{$self->{path}} = $self;
1276 $map->path ($path); 1885 $f->resolve_delayed_derefs;
1277 1886
1278 $map->load_header ($path) 1887 $self->{load_path} = $path;
1888
1889 1
1890}
1891
1892sub load_header_orig {
1893 my ($self) = @_;
1894
1895 $self->load_header_from ($self->load_path)
1896}
1897
1898sub load_header_temp {
1899 my ($self) = @_;
1900
1901 $self->load_header_from ($self->save_path)
1902}
1903
1904sub prepare_temp {
1905 my ($self) = @_;
1906
1907 $self->last_access ((delete $self->{last_access})
1908 || $cf::RUNTIME); #d#
1909 # safety
1910 $self->{instantiate_time} = $cf::RUNTIME
1911 if $self->{instantiate_time} > $cf::RUNTIME;
1912}
1913
1914sub prepare_orig {
1915 my ($self) = @_;
1916
1917 $self->{load_original} = 1;
1918 $self->{instantiate_time} = $cf::RUNTIME;
1919 $self->last_access ($cf::RUNTIME);
1920 $self->instantiate;
1921}
1922
1923sub load_header {
1924 my ($self) = @_;
1925
1926 if ($self->load_header_temp) {
1927 $self->prepare_temp;
1928 } else {
1929 $self->load_header_orig
1279 or return; 1930 or return;
1931 $self->prepare_orig;
1932 }
1280 1933
1281 $map->{load_path} = $path; 1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1282 1936
1283 $map 1937 $self->default_region (cf::region::find_by_path $self->{path})
1938 unless $self->default_region;
1939
1940 1
1284} 1941}
1285 1942
1286sub find; 1943sub find;
1287sub find { 1944sub find {
1288 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1289 1946
1290 #warn "find<$path,$origin>\n";#d#
1291
1292 $path = new cf::path $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1293 my $key = $path->as_string;
1294 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1295 cf::lock_wait "map_find:$key"; 1950 cf::lock_wait "map_find:$path";
1296 1951
1297 $cf::MAP{$key} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1298 my $guard = cf::lock_acquire "map_find:$key"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1299 1955
1300 # do it the slow way 1956 my $map = new_from_path cf::map $path
1301 my $map = try_load_header $path->save_path;
1302
1303 Coro::cede;
1304
1305 if ($map) {
1306 $map->last_access ((delete $map->{last_access})
1307 || $cf::RUNTIME); #d#
1308 # safety
1309 $map->{instantiate_time} = $cf::RUNTIME
1310 if $map->{instantiate_time} > $cf::RUNTIME;
1311 } else {
1312 if (my $rmp = $path->random_map_params) {
1313 $map = generate_random_map $key, $rmp;
1314 } else {
1315 $map = try_load_header $path->load_path;
1316 }
1317
1318 $map or return; 1957 or return;
1319 1958
1320 $map->{load_original} = 1;
1321 $map->{instantiate_time} = $cf::RUNTIME;
1322 $map->last_access ($cf::RUNTIME);
1323 $map->instantiate;
1324
1325 # per-player maps become, after loading, normal maps
1326 $map->per_player (0) if $path->{user_rel};
1327 }
1328
1329 $map->path ($key);
1330 $map->{path} = $path;
1331 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1332 1960
1333 Coro::cede; 1961 $map->load_header
1962 or return;
1334 1963
1335 if ($map->should_reset) { 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1965 # doing this can freeze the server in a sync job, obviously
1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1336 $map->reset; 1969 $map->reset;
1337 undef $guard;
1338 $map = find $path 1970 return find $path;
1339 or return;
1340 } 1971 }
1341 1972
1342 $cf::MAP{$key} = $map 1973 $cf::MAP{$path} = $map
1343 } 1974 }
1344} 1975}
1976
1977sub pre_load { }
1978sub post_load { }
1345 1979
1346sub load { 1980sub load {
1347 my ($self) = @_; 1981 my ($self) = @_;
1348 1982
1983 local $self->{deny_reset} = 1; # loading can take a long time
1984
1349 my $path = $self->{path}; 1985 my $path = $self->{path};
1986
1987 {
1350 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1988 my $guard = cf::lock_acquire "map_data:$path";
1351 1989
1990 return unless $self->valid;
1352 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1353 1992
1354 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1355 1994
1356 $self->alloc; 1995 $self->alloc;
1357 $self->load_objects ($self->{load_path}, 1) 1996
1997 $self->pre_load;
1998 cf::cede_to_tick;
1999
2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
2002 $self->_load_objects ($f)
1358 or return; 2003 or return;
1359 2004
1360 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1361 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1362 2007
1363 if (my $uniq = $path->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1364 utf8::encode $uniq; 2009 utf8::encode $uniq;
1365 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1366 $self->clear_unique_items; 2012 $self->clear_unique_items;
1367 $self->load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1368 } 2016 }
1369 } 2017 }
1370 2018
1371 Coro::cede; 2019 $f->resolve_delayed_derefs;
1372 2020
2021 cf::cede_to_tick;
1373 # now do the right thing for maps 2022 # now do the right thing for maps
1374 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1375
1376 if ($self->{path}->is_style_map) {
1377 $self->{deny_save} = 1;
1378 $self->{deny_reset} = 1;
1379 } else {
1380 $self->fix_auto_apply;
1381 $self->decay_objects;
1382 $self->update_buttons;
1383 $self->set_darkness_map;
1384 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1385 unless $self->difficulty; 2025 unless $self->difficulty;
2026 cf::cede_to_tick;
2027
2028 unless ($self->{deny_activate}) {
2029 $self->decay_objects;
2030 $self->fix_auto_apply;
2031 $self->update_buttons;
2032 cf::cede_to_tick;
2033 $self->set_darkness_map;
2034 cf::cede_to_tick;
1386 $self->activate; 2035 $self->activate;
1387 } 2036 }
1388 2037
1389 Coro::cede; 2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
1390 2040
1391 $self->in_memory (cf::MAP_IN_MEMORY); 2041 $self->in_memory (cf::MAP_ACTIVE);
2042 }
2043
2044 $self->post_load;
2045}
2046
2047sub customise_for {
2048 my ($self, $ob) = @_;
2049
2050 return find "~" . $ob->name . "/" . $self->{path}
2051 if $self->per_player;
2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
2056 $self
1392} 2057}
1393 2058
1394# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1395sub load_diag { 2060sub load_neighbours {
1396 my ($map) = @_; 2061 my ($map) = @_;
1397 2062
1398 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1399 2064
1400 for (0 .. 3) { 2065 for (0 .. 3) {
1401 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1402 or next; 2067 or next;
1403 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1404 or next; 2069 or next;
1405 $neigh->load; 2070 $neigh->load;
1406 2071
2072 push @neigh,
1407 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1408 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1409 } 2075 }
1410 2076
1411 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1412 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1413 or next; 2080 or next;
1414 $neigh->load; 2081 $neigh->load;
1415 } 2082 }
1416} 2083}
1417 2084
… …
1422} 2089}
1423 2090
1424sub do_load_sync { 2091sub do_load_sync {
1425 my ($map) = @_; 2092 my ($map) = @_;
1426 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1427 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1428} 2098}
1429 2099
1430our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
2101our $MAP_PREFETCHER = undef;
2102
2103sub find_async {
2104 my ($path, $origin, $load) = @_;
2105
2106 $path = normalise $path, $origin && $origin->{path};
2107
2108 if (my $map = $cf::MAP{$path}) {
2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2110 }
2111
2112 $MAP_PREFETCH{$path} |= $load;
2113
1431our $MAP_PREFETCHER = Coro::async { 2114 $MAP_PREFETCHER ||= cf::async {
1432 while () { 2115 $Coro::current->{desc} = "map prefetcher";
2116
1433 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1434 my $key = each %MAP_PREFETCH 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1435 or next; 2119 if (my $map = find $k) {
2120 $map->load if $v;
2121 }
2122
1436 my $path = delete $MAP_PREFETCH{$key}; 2123 delete $MAP_PREFETCH{$k};
1437
1438 my $map = find $path
1439 or next;
1440 $map->load;
1441 } 2124 }
1442 Coro::schedule; 2125 }
2126 undef $MAP_PREFETCHER;
1443 } 2127 };
1444};
1445
1446sub find_async {
1447 my ($path, $origin) = @_;
1448
1449 $path = new cf::path $path, $origin && $origin->path;
1450 my $key = $path->as_string;
1451
1452 if (my $map = $cf::MAP{$key}) {
1453 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454 }
1455
1456 $MAP_PREFETCH{$key} = $path;
1457 $MAP_PREFETCHER->ready; 2128 $MAP_PREFETCHER->prio (6);
1458 2129
1459 () 2130 ()
1460} 2131}
1461 2132
1462sub save { 2133sub save {
1463 my ($self) = @_; 2134 my ($self) = @_;
1464 2135
1465 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1466 2137
1467 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1468 2139
1469 return unless $self->dirty; 2140 return unless $self->dirty;
1470 2141
1471 my $save = $self->{path}->save_path; utf8::encode $save; 2142 my $save = $self->save_path; utf8::encode $save;
1472 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2143 my $uniq = $self->uniq_path; utf8::encode $uniq;
1473 2144
1474 $self->{load_path} = $save; 2145 $self->{load_path} = $save;
1475 2146
1476 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1477 2148
1478 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1479 2150
1480 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1481 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1482 }; 2154 };
1483 2155
2156 cf::get_slot 0.02;
2157
1484 if ($uniq) { 2158 if ($uniq) {
1485 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486 $self->save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1487 } else { 2161 } else {
1488 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2162 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489 } 2163 }
1490} 2164}
1491 2165
1492sub swap_out { 2166sub swap_out {
1493 my ($self) = @_; 2167 my ($self) = @_;
1494 2168
1495 # save first because save cedes 2169 # save first because save cedes
1496 $self->save; 2170 $self->save;
1497 2171
1498 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1499 2173
1500 return if $self->players; 2174 return if $self->players;
1501 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1502 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1503 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1504 $self->clear; 2182 $self->clear;
1505 $self->in_memory (cf::MAP_SWAPPED);
1506} 2183}
1507 2184
1508sub reset_at { 2185sub reset_at {
1509 my ($self) = @_; 2186 my ($self) = @_;
1510 2187
1511 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1512 return 1e99 if $self->{path}{user_rel};
1513 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1514 2190
1515 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517 2193
… …
1522 my ($self) = @_; 2198 my ($self) = @_;
1523 2199
1524 $self->reset_at <= $cf::RUNTIME 2200 $self->reset_at <= $cf::RUNTIME
1525} 2201}
1526 2202
1527sub unlink_save {
1528 my ($self) = @_;
1529
1530 utf8::encode (my $save = $self->{path}->save_path);
1531 aioreq_pri 3; IO::AIO::aio_unlink $save;
1532 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533}
1534
1535sub rename {
1536 my ($self, $new_path) = @_;
1537
1538 $self->unlink_save;
1539
1540 delete $cf::MAP{$self->path};
1541 $self->{path} = new cf::path $new_path;
1542 $self->path ($self->{path}->as_string);
1543 $cf::MAP{$self->path} = $self;
1544
1545 $self->save;
1546}
1547
1548sub reset { 2203sub reset {
1549 my ($self) = @_; 2204 my ($self) = @_;
1550 2205
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 2207
1553 return if $self->players; 2208 return if $self->players;
1554 return if $self->{path}{user_rel};#d#
1555 2209
1556 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 # need to save uniques path
2215 unless ($self->{deny_save}) {
2216 my $uniq = $self->uniq_path; utf8::encode $uniq;
2217
2218 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2219 if $uniq;
2220 }
1557 2221
1558 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1559 2223
2224 $self->deactivate;
1560 $_->clear_links_to ($self) for values %cf::MAP; 2225 $_->clear_links_to ($self) for values %cf::MAP;
2226 $self->clear;
1561 2227
1562 $self->unlink_save; 2228 $self->unlink_save;
1563 $self->destroy; 2229 $self->destroy;
1564} 2230}
1565 2231
1566my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1567 2233
1568sub nuke { 2234sub nuke {
1569 my ($self) = @_; 2235 my ($self) = @_;
1570 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
2240 delete $cf::MAP{$self->path};
2241
2242 $self->unlink_save;
2243
2244 bless $self, "cf::map";
2245 delete $self->{deny_reset};
1571 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1572 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1573 $self->rename ("{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2249
2250 $cf::MAP{$self->path} = $self;
2251 }
2252
1574 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
1575} 2254}
1576 2255
1577sub customise_for { 2256=item $maps = cf::map::tmp_maps
1578 my ($map, $ob) = @_;
1579 2257
1580 if ($map->per_player) { 2258Returns an arrayref with all map paths of currently instantiated and saved
1581 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
1582 } 2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
1583 2273
1584 $map 2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1585} 2290}
1586 2291
1587=item cf::map::unique_maps 2292=item cf::map::unique_maps
1588 2293
1589Returns an arrayref of cf::path's of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1590instantiated unique items. May block. 2295instantiated unique items. May block.
1591 2296
1592=cut 2297=cut
1593 2298
1594sub unique_maps() { 2299sub unique_maps() {
1595 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2300 [
1596 or return; 2301 map {
1597
1598 my @paths;
1599
1600 for (@$files) {
1601 utf8::decode $_; 2302 utf8::decode $_;
1602 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1603 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1604 2305 ? ()
1605 push @paths, new cf::path $_; 2306 : normalise $_
2307 } @{ aio_readdir $UNIQUEDIR or [] }
1606 } 2308 ]
1607
1608 \@paths
1609} 2309}
1610
1611package cf;
1612 2310
1613=back 2311=back
1614 2312
1615=head3 cf::object 2313=head3 cf::object
1616 2314
… …
1620 2318
1621=over 4 2319=over 4
1622 2320
1623=item $ob->inv_recursive 2321=item $ob->inv_recursive
1624 2322
1625Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1626 2325
1627=cut 2326=cut
1628 2327
1629sub inv_recursive_; 2328sub inv_recursive_;
1630sub inv_recursive_ { 2329sub inv_recursive_ {
… …
1633 2332
1634sub inv_recursive { 2333sub inv_recursive {
1635 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1636} 2335}
1637 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1638package cf; 2365package cf;
1639 2366
1640=back 2367=back
1641 2368
1642=head3 cf::object::player 2369=head3 cf::object::player
… …
1648Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1649can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1650dialogue with the given NPC character. 2377dialogue with the given NPC character.
1651 2378
1652=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1653 2394
1654# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1655# with dialog boxes. 2396# with dialog boxes.
1656#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1657sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
… …
1659 2400
1660 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661 2402
1662 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1663 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1664 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1665 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1666 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1667 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1668} 2428}
1669 2429
1670=item $player_object->may ("access") 2430=item $player_object->may ("access")
1671 2431
1672Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
… …
1685 2445
1686=item $player_object->enter_link 2446=item $player_object->enter_link
1687 2447
1688Freezes the player and moves him/her to a special map (C<{link}>). 2448Freezes the player and moves him/her to a special map (C<{link}>).
1689 2449
1690The player should be reaosnably safe there for short amounts of time. You 2450The player should be reasonably safe there for short amounts of time. You
1691I<MUST> call C<leave_link> as soon as possible, though. 2451I<MUST> call C<leave_link> as soon as possible, though.
1692 2452
2453Will never block.
2454
1693=item $player_object->leave_link ($map, $x, $y) 2455=item $player_object->leave_link ($map, $x, $y)
1694 2456
1695Moves the player out of the specila link map onto the given map. If the 2457Moves the player out of the special C<{link}> map onto the specified
1696map is not valid (or omitted), the player will be moved back to the 2458map. If the map is not valid (or omitted), the player will be moved back
1697location he/she was before the call to C<enter_link>, or, if that fails, 2459to the location he/she was before the call to C<enter_link>, or, if that
1698to the emergency map position. 2460fails, to the emergency map position.
1699 2461
1700Might block. 2462Might block.
1701 2463
1702=cut 2464=cut
2465
2466sub link_map {
2467 unless ($LINK_MAP) {
2468 $LINK_MAP = cf::map::find "{link}"
2469 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2470 $LINK_MAP->load;
2471 }
2472
2473 $LINK_MAP
2474}
1703 2475
1704sub cf::object::player::enter_link { 2476sub cf::object::player::enter_link {
1705 my ($self) = @_; 2477 my ($self) = @_;
1706 2478
1707 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1708 2480
1709 return if $self->map == $LINK_MAP; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1710 2482
1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1713 2485
1714 $self->enter_map ($LINK_MAP, 20, 20); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1715} 2487}
1716 2488
1717sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1718 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1719 2493
1720 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1721 2495
1722 unless ($map) { 2496 unless ($map) {
1723 # restore original map position 2497 # restore original map position
… …
1737 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1738 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1739 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1740 2514
1741 $map->load; 2515 $map->load;
1742 $map->load_diag; 2516 $map->load_neighbours;
1743 2517
1744 return unless $self->contr->active; 2518 return unless $self->contr->active;
1745 $self->activate_recursive; 2519 $self->activate_recursive;
2520
2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1747} 2523}
1748 2524
1749cf::player->attach ( 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750 on_logout => sub {
1751 my ($pl) = @_;
1752 2526
1753 # abort map switching before logout 2527Moves the player to the given map-path and coordinates by first freezing
1754 if ($pl->ob->{_link_pos}) { 2528her, loading and preparing them map, calling the provided $check callback
1755 cf::sync_job { 2529that has to return the map if sucecssful, and then unfreezes the player on
1756 $pl->ob->leave_link 2530the new (success) or old (failed) map position. In either case, $done will
1757 }; 2531be called at the end of this process.
1758 }
1759 },
1760 on_login => sub {
1761 my ($pl) = @_;
1762 2532
1763 # try to abort aborted map switching on player login :) 2533Note that $check will be called with a potentially non-loaded map, so if
1764 # should happen only on crashes 2534it needs a loaded map it has to call C<< ->load >>.
1765 if ($pl->ob->{_link_pos}) {
1766 $pl->ob->enter_link;
1767 (async {
1768 # we need this sleep as the login has a concurrent enter_exit running
1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1774 Coro::Timer::sleep 1;
1775 $pl->ob->leave_link;
1776 })->prio (2);
1777 }
1778 },
1779);
1780 2535
1781=item $player_object->goto ($path, $x, $y)
1782
1783=cut 2536=cut
2537
2538our $GOTOGEN;
1784 2539
1785sub cf::object::player::goto { 2540sub cf::object::player::goto {
1786 my ($self, $path, $x, $y) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
1787 2542
1788 $path = new cf::path $path; 2543 # do generation counting so two concurrent goto's will be executed in-order
2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789 2545
1790 $self->enter_link; 2546 $self->enter_link;
1791 2547
1792 (async { 2548 (async {
1793 my $map = cf::map::find $path->as_string; 2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
2570 my $map = eval {
2571 my $map = defined $path ? cf::map::find $path : undef;
2572
2573 if ($map) {
1794 $map = $map->customise_for ($self) if $map; 2574 $map = $map->customise_for ($self);
1795 2575 $map = $check->($map) if $check && $map;
1796# warn "entering ", $map->path, " at ($x, $y)\n" 2576 } else {
1797# if $map;
1798
1799 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
1800 2579
2580 $map
2581 };
2582
2583 if ($@) {
2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2585 LOG llevError | logBacktrace, Carp::longmess $@;
2586 }
2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
1801 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
1802 })->prio (1); 2594 })->prio (1);
1803} 2595}
1804 2596
1805=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
1806 2598
… …
1808 2600
1809sub parse_random_map_params { 2601sub parse_random_map_params {
1810 my ($spec) = @_; 2602 my ($spec) = @_;
1811 2603
1812 my $rmp = { # defaults 2604 my $rmp = { # defaults
1813 xsize => 10, 2605 xsize => (cf::rndm 15, 40),
1814 ysize => 10, 2606 ysize => (cf::rndm 15, 40),
2607 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2608 #layout => string,
1815 }; 2609 };
1816 2610
1817 for (split /\n/, $spec) { 2611 for (split /\n/, $spec) {
1818 my ($k, $v) = split /\s+/, $_, 2; 2612 my ($k, $v) = split /\s+/, $_, 2;
1819 2613
… …
1831 # that depends on the exit object 2625 # that depends on the exit object
1832 2626
1833 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
1834 2628
1835 if ($exit->map) { 2629 if ($exit->map) {
1836 $rmp->{region} = $exit->map->region_name; 2630 $rmp->{region} = $exit->region->name;
1837 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
1838 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
1839 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
1840 } 2636 }
1841 2637
1842 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
1843 2639
1844 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1845 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
2642 my $meta = "$RANDOMDIR/$md5.meta";
1846 2643
1847 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
2646 undef $fh;
2647 aio_rename "$meta~", $meta;
1849 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
1850 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
1851 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
1852 } 2655 }
1853} 2656}
1854 2657
1855sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
1856 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
… …
1858 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
1859 2662
1860 $self->enter_link; 2663 $self->enter_link;
1861 2664
1862 (async { 2665 (async {
1863 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
1864 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
1865 prepare_random_map $exit 2675 prepare_random_map $exit
1866 if $exit->slaying eq "/!"; 2676 if $exit->slaying eq "/!";
2677 }
1867 2678
1868 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1869 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
1870 2682
2683 $self->goto ($map, $x, $y);
2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
1871 1; 2689 1
1872 }) { 2690 }) {
1873 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
1874 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
1875 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
1876 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
1877 2695
1878 warn "ERROR in enter_exit: $@"; 2696 warn "ERROR in enter_exit: $@";
1879 $self->leave_link; 2697 $self->leave_link;
1880 } 2698 }
1881 })->prio (1); 2699 })->prio (1);
… …
1894 2712
1895sub cf::client::send_drawinfo { 2713sub cf::client::send_drawinfo {
1896 my ($self, $text, $flags) = @_; 2714 my ($self, $text, $flags) = @_;
1897 2715
1898 utf8::encode $text; 2716 utf8::encode $text;
1899 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900} 2718}
1901 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2864=item $client->ext_msg ($type, @msg)
2865
2866Sends an ext event to the client.
2867
2868=cut
2869
2870sub cf::client::ext_msg($$@) {
2871 my ($self, $type, @msg) = @_;
2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2876 push @msg, msgtype => "event_$type";
2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2897}
1902 2898
1903=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
1904 2900
1905Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
1906the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908 2904
1909Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
1910reliable at some point in the future. 2906become reliable at some point in the future.
1911 2907
1912=cut 2908=cut
1913 2909
1914sub cf::client::query { 2910sub cf::client::query {
1915 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
… …
1923 utf8::encode $text; 2919 utf8::encode $text;
1924 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925 2921
1926 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
1927 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
1928} 2926}
1929 2927
1930cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
1931 on_reply => sub { 2934 on_reply => sub {
1932 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
1933 2936
1934 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
1935 # get handled first 2938 # get handled first
1936 my $queue = delete $ns->{query_queue} 2939 my $queue = delete $ns->{query_queue}
1937 or return; # be conservative, not sure how that can happen, but we saw a crash here 2940 or return; # be conservative, not sure how that can happen, but we saw a crash here
1938 2941
1939 (shift @$queue)->[1]->($msg); 2942 (shift @$queue)->[1]->($msg);
2943 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940 2944
1941 push @{ $ns->{query_queue} }, @$queue; 2945 push @{ $ns->{query_queue} }, @$queue;
1942 2946
1943 if (@{ $ns->{query_queue} } == @$queue) { 2947 if (@{ $ns->{query_queue} } == @$queue) {
1944 if (@$queue) { 2948 if (@$queue) {
… …
1946 } else { 2950 } else {
1947 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948 } 2952 }
1949 } 2953 }
1950 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
1951); 2981);
1952 2982
1953=item $client->async (\&cb) 2983=item $client->async (\&cb)
1954 2984
1955Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
… …
1996our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
1997our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
1998 3028
1999$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2000 3030
2001$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2002 3036
2003# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2004 3038
2005=pod 3039=pod
2006 3040
2007The following fucntions and emthods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2008 3042
2009 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2010 cf::object::player player 3047 cf::object::player
2011 cf::player peaceful 3048 player
2012 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2013 3055
2014=cut 3056=cut
2015 3057
2016for ( 3058for (
2017 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2018 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2019 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2020 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2021) { 3065) {
2022 no strict 'refs'; 3066 no strict 'refs';
… …
2093=back 3137=back
2094 3138
2095=cut 3139=cut
2096 3140
2097############################################################################# 3141#############################################################################
3142# the server's init and main functions
2098 3143
2099=head2 EXTENSION DATABASE SUPPORT 3144sub load_facedata($) {
3145 my ($path) = @_;
2100 3146
2101Crossfire maintains a very simple database for extension use. It can 3147 # HACK to clear player env face cache, we need some signal framework
2102currently store anything that can be serialised using Storable, which 3148 # for this (global event?)
2103excludes objects. 3149 %ext::player_env::MUSIC_FACE_CACHE = ();
2104 3150
2105The parameter C<$family> should best start with the name of the extension 3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106using it, it should be unique.
2107 3152
2108=over 4 3153 warn "loading facedata from $path\n";
2109 3154
2110=item $hashref = cf::db_get $family 3155 my $facedata;
3156 0 < aio_load $path, $facedata
3157 or die "$path: $!";
2111 3158
2112Return a hashref for use by the extension C<$family>, which can be 3159 $facedata = Coro::Storable::thaw $facedata;
2113modified. After modifications, you have to call C<cf::db_dirty> or
2114C<cf::db_sync>.
2115 3160
2116=item $value = cf::db_get $family => $key 3161 $facedata->{version} == 2
3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
2117 3163
2118Returns a single value from the database 3164 # patch in the exptable
2119 3165 $facedata->{resource}{"res/exp_table"} = {
2120=item cf::db_put $family => $hashref 3166 type => FT_RSRC,
2121 3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122Stores the given family hashref into the database. Updates are delayed, if
2123you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125=item cf::db_put $family => $key => $value
2126
2127Stores the given C<$value> in the family hash. Updates are delayed, if you
2128want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_dirty
2131
2132Marks the database as dirty, to be updated at a later time.
2133
2134=item cf::db_sync
2135
2136Immediately write the database to disk I<if it is dirty>.
2137
2138=cut
2139
2140our $DB;
2141
2142{
2143 my $path = cf::localdir . "/database.pst";
2144
2145 sub db_load() {
2146 $DB = stat $path ? Storable::retrieve $path : { };
2147 }
2148
2149 my $pid;
2150
2151 sub db_save() {
2152 waitpid $pid, 0 if $pid;
2153 if (0 == ($pid = fork)) {
2154 $DB->{_meta}{version} = 1;
2155 Storable::nstore $DB, "$path~";
2156 rename "$path~", $path;
2157 cf::_exit 0 if defined $pid;
2158 }
2159 }
2160
2161 my $dirty;
2162
2163 sub db_sync() {
2164 db_save if $dirty;
2165 undef $dirty;
2166 }
2167
2168 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169 db_sync;
2170 }); 3168 };
3169 cf::cede_to_tick;
2171 3170
2172 sub db_dirty() {
2173 $dirty = 1;
2174 $idle->start;
2175 } 3171 {
3172 my $faces = $facedata->{faceinfo};
2176 3173
2177 sub db_get($;$) { 3174 while (my ($face, $info) = each %$faces) {
2178 @_ >= 2 3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179 ? $DB->{$_[0]}{$_[1]}
2180 : ($DB->{$_[0]} ||= { })
2181 }
2182 3176
2183 sub db_put($$;$) { 3177 cf::face::set_visibility $idx, $info->{visibility};
2184 if (@_ >= 3) { 3178 cf::face::set_magicmap $idx, $info->{magicmap};
2185 $DB->{$_[0]}{$_[1]} = $_[2]; 3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2186 } else { 3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187 $DB->{$_[0]} = $_[1];
2188 }
2189 db_dirty;
2190 }
2191 3181
2192 cf::global->attach ( 3182 cf::cede_to_tick;
2193 prio => 10000,
2194 on_cleanup => sub {
2195 db_sync;
2196 }, 3183 }
2197 );
2198}
2199 3184
2200############################################################################# 3185 while (my ($face, $info) = each %$faces) {
2201# the server's main() 3186 next unless $info->{smooth};
2202 3187
2203sub cfg_load { 3188 my $idx = cf::face::find $face
3189 or next;
3190
3191 if (my $smooth = cf::face::find $info->{smooth}) {
3192 cf::face::set_smooth $idx, $smooth;
3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3194 } else {
3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
3196 }
3197
3198 cf::cede_to_tick;
3199 }
3200 }
3201
3202 {
3203 my $anims = $facedata->{animinfo};
3204
3205 while (my ($anim, $info) = each %$anims) {
3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
3207 cf::cede_to_tick;
3208 }
3209
3210 cf::anim::invalidate_all; # d'oh
3211 }
3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247
3248 1
3249}
3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
3279sub load_resource_file($) {
3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
3294 load_resource_file "$MAPDIR/regions"
3295 or die "unable to load regions file\n";
3296
3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
3301}
3302
3303sub reload_facedata {
3304 load_facedata "$DATADIR/facedata"
3305 or die "unable to load facedata\n";
3306}
3307
3308sub reload_archetypes {
3309 load_resource_file "$DATADIR/archetypes"
3310 or die "unable to load archetypes\n";
3311}
3312
3313sub reload_treasures {
3314 load_resource_file "$DATADIR/treasures"
3315 or die "unable to load treasurelists\n";
3316}
3317
3318sub reload_resources {
3319 warn "reloading resource files...\n";
3320
3321 reload_facedata;
3322 reload_archetypes;
3323 reload_regions;
3324 reload_treasures;
3325
3326 warn "finished reloading resource files\n";
3327}
3328
3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
3334 reload_resources;
3335}
3336
3337sub reload_config {
2204 open my $fh, "<:utf8", cf::confdir . "/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2205 or return; 3339 or return;
2206 3340
2207 local $/; 3341 local $/;
2208 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2209 3343
2210 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2211 3345
2212 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2213 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2223 3357
2224sub main { 3358sub main {
2225 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2226 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2227 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228 async { Event::one_event }; 3362 (async {
3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
3365 })->prio (Coro::PRIO_MAX);
2229 }; 3366 };
2230 3367
2231 cfg_load; 3368 {
2232 db_load; 3369 my $guard = freeze_mainloop;
3370 reload_config;
3371 db_init;
2233 load_extensions; 3372 load_extensions;
3373
3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2234 Event::loop; 3377 EV::loop;
2235} 3378}
2236 3379
2237############################################################################# 3380#############################################################################
2238# initialisation and cleanup 3381# initialisation and cleanup
2239 3382
2240# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2241BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2242 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2243 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2244 data => WF_AUTOCANCEL,
2245 signal => $signal,
2246 cb => sub {
2247 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2248 },
2249 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2250 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2251} 3472}
2252 3473
2253sub emergency_save() { 3474sub emergency_save() {
2254 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2255 3476
2256 warn "enter emergency perl save\n"; 3477 warn "enter emergency perl save\n";
2257 3478
2258 cf::sync_job { 3479 cf::sync_job {
2259 # use a peculiar iteration method to avoid tripping on perl 3480 # use a peculiar iteration method to avoid tripping on perl
2260 # refcount bugs in for. also avoids problems with players 3481 # refcount bugs in for. also avoids problems with players
2261 # and maps saved/Destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2262 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2263 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2264 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2265 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266 $pl->save; 3488 $pl->save;
2267 } 3489 }
2268 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2269 3491
2270 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
… …
2272 my $map = $cf::MAP{$path} or next; 3494 my $map = $cf::MAP{$path} or next;
2273 $map->valid or next; 3495 $map->valid or next;
2274 $map->save; 3496 $map->save;
2275 } 3497 }
2276 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
3499
3500 warn "begin emergency database checkpoint\n";
3501 BDB::db_env_txn_checkpoint $DB_ENV;
3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2277 }; 3507 };
2278 3508
2279 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2280} 3510}
2281 3511
3512sub post_cleanup {
3513 my ($make_core) = @_;
3514
3515 warn Carp::longmess "post_cleanup backtrace"
3516 if $make_core;
3517}
3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
3546
2282sub reload() { 3547sub do_reload_perl() {
2283 # can/must only be called in main 3548 # can/must only be called in main
2284 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2285 warn "can only reload from main coroutine\n"; 3550 warn "can only reload from main coroutine";
2286 return; 3551 return;
2287 } 3552 }
2288 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2289 warn "reloading..."; 3557 warn "reloading...";
2290 3558
2291 warn "freezing server"; 3559 warn "entering sync_job";
2292 my $guard = freeze_mainloop; 3560
3561 cf::sync_job {
3562 cf::write_runtime_sync; # external watchdog should not bark
2293 cf::emergency_save; 3563 cf::emergency_save;
3564 cf::write_runtime_sync; # external watchdog should not bark
2294 3565
2295 warn "sync database to disk"; 3566 warn "syncing database to disk";
2296 cf::db_sync; 3567 BDB::db_env_txn_checkpoint $DB_ENV;
2297 IO::AIO::flush;
2298 3568
2299 eval {
2300 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2301 3570
2302 warn "cancel all watchers"; 3571 warn "flushing outstanding aio requests";
2303 for (Event::all_watchers) { 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2304 $_->cancel if $_->data & WF_AUTOCANCEL; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2305 }
2306
2307 warn "cancel all extension coros";
2308 $_->cancel for values %EXT_CORO;
2309 %EXT_CORO = ();
2310
2311 warn "remove commands";
2312 %COMMAND = ();
2313
2314 warn "remove ext commands";
2315 %EXTCMD = ();
2316
2317 warn "unload/nuke all extensions";
2318 for my $pkg (@EXTS) {
2319 warn "... unloading $pkg";
2320
2321 if (my $cb = $pkg->can ("unload")) {
2322 eval {
2323 $cb->($pkg);
2324 1
2325 } or warn "$pkg unloaded, but with errors: $@";
2326 } 3574 }
2327 3575
3576 warn "cancelling all extension coros";
3577 $_->cancel for values %EXT_CORO;
3578 %EXT_CORO = ();
3579
3580 warn "removing commands";
3581 %COMMAND = ();
3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2328 warn "... nuking $pkg"; 3589 warn "... unloading $pkg";
2329 Symbol::delete_package $pkg;
2330 }
2331 3590
2332 warn "unload all perl modules loaded from $LIBDIR";
2333 while (my ($k, $v) = each %INC) {
2334 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335
2336 warn "removing <$k>";
2337 delete $INC{$k};
2338
2339 $k =~ s/\.pm$//;
2340 $k =~ s/\//::/g;
2341
2342 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2343 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2344 } 3600 }
2345 3601
2346 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2347 } 3617 }
2348 3618
2349 warn "get rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2350 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2351 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352 3622
2353 warn "unload cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2354 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
3625 delete $INC{"cf/pod.pm"};
2355 3626
2356 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2357 # and global variables created in xs 3628 # and global variables created in xs
2358 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2359 3630
3631 warn "unload completed, starting to reload now";
3632
2360 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2361 require cf; 3634 require cf;
2362 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363 3636
2364 warn "load config and database again"; 3637 warn "loading config and database again";
2365 cf::cfg_load; 3638 cf::reload_config;
2366 cf::db_load;
2367 3639
2368 warn "load extensions"; 3640 warn "loading extensions";
2369 cf::load_extensions; 3641 cf::load_extensions;
2370 3642
2371 warn "reattach attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2372 _global_reattach; 3644 _global_reattach; # objects, sockets
2373 warn "reattach attachments to maps"; 3645 warn "reattaching attachments to maps";
2374 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
3647 warn "reattaching attachments to players";
3648 reattach $_ for values %PLAYER;
3649
3650 warn "leaving sync_job";
3651
3652 1
3653 } or do {
3654 warn $@;
3655 cf::cleanup "error while reloading, exiting.";
3656 };
3657
3658 warn "reloaded";
3659 --$RELOAD;
3660 }
3661};
3662
3663our $RELOAD_WATCHER; # used only during reload
3664
3665sub reload_perl() {
3666 # doing reload synchronously and two reloads happen back-to-back,
3667 # coro crashes during coro_state_free->destroy here.
3668
3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3670 do_reload_perl;
3671 undef $RELOAD_WATCHER;
2375 }; 3672 };
2376
2377 if ($@) {
2378 warn $@;
2379 warn "error while reloading, exiting.";
2380 exit 1;
2381 }
2382
2383 warn "reloaded";
2384};
2385
2386#############################################################################
2387
2388unless ($LINK_MAP) {
2389 $LINK_MAP = cf::map::new;
2390
2391 $LINK_MAP->width (41);
2392 $LINK_MAP->height (41);
2393 $LINK_MAP->alloc;
2394 $LINK_MAP->path ("{link}");
2395 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398 # dirty hack because... archetypes are not yet loaded
2399 Event->timer (
2400 after => 10,
2401 cb => sub {
2402 $_[0]->w->cancel;
2403
2404 # provide some exits "home"
2405 my $exit = cf::object::new "exit";
2406
2407 $exit->slaying ($EMERGENCY_POSITION->[0]);
2408 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411 $LINK_MAP->insert ($exit->clone, 19, 19);
2412 $LINK_MAP->insert ($exit->clone, 19, 20);
2413 $LINK_MAP->insert ($exit->clone, 19, 21);
2414 $LINK_MAP->insert ($exit->clone, 20, 19);
2415 $LINK_MAP->insert ($exit->clone, 20, 21);
2416 $LINK_MAP->insert ($exit->clone, 21, 19);
2417 $LINK_MAP->insert ($exit->clone, 21, 20);
2418 $LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420 $exit->destroy;
2421 });
2422
2423 $LINK_MAP->{deny_save} = 1;
2424 $LINK_MAP->{deny_reset} = 1;
2425
2426 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427} 3673}
2428 3674
2429register_command "reload" => sub { 3675register_command "reload" => sub {
2430 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2431 3677
2432 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2433 $who->message ("start of reload.");
2434 reload;
2435 $who->message ("end of reload."); 3679 $who->message ("reloading server.");
3680 async {
3681 $Coro::current->{desc} = "perl_reload";
3682 reload_perl;
3683 };
2436 } 3684 }
2437}; 3685};
2438 3686
2439unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2440 3688
2441$TICK_WATCHER = Event->timer ( 3689my $bug_warning = 0;
2442 reentrant => 0, 3690
2443 prio => 0, 3691our @WAIT_FOR_TICK;
2444 at => $NEXT_TICK || $TICK, 3692our @WAIT_FOR_TICK_BEGIN;
2445 data => WF_AUTOCANCEL, 3693
2446 cb => sub { 3694sub wait_for_tick {
3695 return if tick_inhibit || $Coro::current == $Coro::main;
3696
3697 my $signal = new Coro::Signal;
3698 push @WAIT_FOR_TICK, $signal;
3699 $signal->wait;
3700}
3701
3702sub wait_for_tick_begin {
3703 return if tick_inhibit || $Coro::current == $Coro::main;
3704
3705 my $signal = new Coro::Signal;
3706 push @WAIT_FOR_TICK_BEGIN, $signal;
3707 $signal->wait;
3708}
3709
3710sub tick {
3711 if ($Coro::current != $Coro::main) {
3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3713 unless ++$bug_warning > 10;
3714 return;
3715 }
3716
2447 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2448 $RUNTIME += $TICK;
2449 $NEXT_TICK += $TICK;
2450 3718
2451 $WAIT_FOR_TICK->broadcast; 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2453 3721 Coro::async_pool {
2454 # if we are delayed by four ticks or more, skip them all 3722 $Coro::current->{desc} = "runtime saver";
2455 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2456
2457 $TICK_WATCHER->at ($NEXT_TICK);
2458 $TICK_WATCHER->start;
2459 },
2460);
2461
2462IO::AIO::max_poll_time $TICK * 0.2;
2463
2464Event->io (
2465 fd => IO::AIO::poll_fileno,
2466 poll => 'r',
2467 prio => 5,
2468 data => WF_AUTOCANCEL,
2469 cb => \&IO::AIO::poll_cb,
2470);
2471
2472Event->timer (
2473 data => WF_AUTOCANCEL,
2474 after => 0,
2475 interval => 10,
2476 cb => sub {
2477 (Coro::unblock_sub {
2478 write_runtime 3723 write_runtime_sync
2479 or warn "ERROR: unable to write runtime file: $!"; 3724 or warn "ERROR: unable to write runtime file: $!";
2480 })->(); 3725 };
2481 }, 3726 }
2482); 3727
3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729 $sig->send;
3730 }
3731 while (my $sig = shift @WAIT_FOR_TICK) {
3732 $sig->send;
3733 }
3734
3735 $LOAD = ($NOW - $TICK_START) / $TICK;
3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737
3738 if (0) {
3739 if ($NEXT_TICK) {
3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
3744 }
3745}
3746
3747{
3748 # configure BDB
3749
3750 BDB::min_parallel 8;
3751 BDB::max_poll_reqs $TICK * 0.1;
3752 $AnyEvent::BDB::WATCHER->priority (1);
3753
3754 unless ($DB_ENV) {
3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3761
3762 cf::sync_job {
3763 eval {
3764 BDB::db_env_open
3765 $DB_ENV,
3766 $BDBDIR,
3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3769 0666;
3770
3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3772 };
3773
3774 cf::cleanup "db_env_open(db): $@" if $@;
3775 };
3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
3787}
3788
3789{
3790 # configure IO::AIO
3791
3792 IO::AIO::min_parallel 8;
3793 IO::AIO::max_poll_time $TICK * 0.1;
3794 undef $AnyEvent::AIO::WATCHER;
3795}
3796
3797my $_log_backtrace;
3798
3799sub _log_backtrace {
3800 my ($msg, @addr) = @_;
3801
3802 $msg =~ s/\n//;
3803
3804 # limit the # of concurrent backtraces
3805 if ($_log_backtrace < 2) {
3806 ++$_log_backtrace;
3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
3810 my @bt = fork_call {
3811 @addr = map { sprintf "%x", $_ } @addr;
3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3814 or die "addr2line: $!";
3815
3816 my @funcs;
3817 my @res = <$fh>;
3818 chomp for @res;
3819 while (@res) {
3820 my ($func, $line) = splice @res, 0, 2, ();
3821 push @funcs, "[$func] $line";
3822 }
3823
3824 @funcs
3825 };
3826
3827 LOG llevInfo, "[ABT] $msg\n";
3828 LOG llevInfo, "[ABT] $_\n" for @bt;
3829 --$_log_backtrace;
3830 };
3831 } else {
3832 LOG llevInfo, "[ABT] $msg\n";
3833 LOG llevInfo, "[ABT] [suppressed]\n";
3834 }
3835}
3836
3837# load additional modules
3838use cf::pod;
2483 3839
2484END { cf::emergency_save } 3840END { cf::emergency_save }
2485 3841
24861 38421
2487 3843

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