ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.449 by root, Sat Sep 20 00:09:27 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
68
69$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
70
71# make sure c-lzf reinitialises itself
72Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28 74
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 75sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 76
36our %COMMAND = (); 77our %COMMAND = ();
37our %COMMAND_TIME = (); 78our %COMMAND_TIME = ();
38 79
39our @EXTS = (); # list of extension package names 80our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 81our %EXTCMD = ();
82our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 83our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 84our %EXT_MAP = (); # pluggable maps
43 85
86our $RELOAD; # number of reloads so far
44our @EVENT; 87our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 88
47our $TICK = MAX_TIME * 1e-6; 89our $CONFDIR = confdir;
48our $TICK_WATCHER; 90our $DATADIR = datadir;
91our $LIBDIR = "$DATADIR/ext";
92our $PODDIR = "$DATADIR/pod";
93our $MAPDIR = "$DATADIR/" . mapdir;
94our $LOCALDIR = localdir;
95our $TMPDIR = "$LOCALDIR/" . tmpdir;
96our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98our $RANDOMDIR = "$LOCALDIR/random";
99our $BDBDIR = "$LOCALDIR/db";
100our $PIDFILE = "$LOCALDIR/pid";
101our $RUNTIMEFILE = "$LOCALDIR/runtime";
102
103our %RESOURCE;
104
105our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49our $NEXT_TICK; 107our $NEXT_TICK;
50our $NOW; 108our $USE_FSYNC = 1; # use fsync to write maps - default off
109
110our $BDB_DEADLOCK_WATCHER;
111our $BDB_CHECKPOINT_WATCHER;
112our $BDB_TRICKLE_WATCHER;
113our $DB_ENV;
51 114
52our %CFG; 115our %CFG;
53 116
54our $UPTIME; $UPTIME ||= time; 117our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 118our $RUNTIME;
119our $NOW;
56 120
57our %PLAYER; # all users 121our (%PLAYER, %PLAYER_LOADING); # all users
58our %MAP; # all maps 122our (%MAP, %MAP_LOADING ); # all maps
59our $LINK_MAP; # the special {link} map 123our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random";
61 124
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 125# used to convert map paths into valid unix filenames by replacing / by ∕
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 126our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
127
128our $LOAD; # a number between 0 (idle) and 1 (too many objects)
129our $LOADAVG; # same thing, but with alpha-smoothing
130our $JITTER; # average jitter
131our $TICK_START; # for load detecting purposes
64 132
65binmode STDOUT; 133binmode STDOUT;
66binmode STDERR; 134binmode STDERR;
67 135
68# read virtual server time, if available 136# read virtual server time, if available
69unless ($RUNTIME || !-e cf::localdir . "/runtime") { 137unless ($RUNTIME || !-e $RUNTIMEFILE) {
70 open my $fh, "<", cf::localdir . "/runtime" 138 open my $fh, "<", $RUNTIMEFILE
71 or die "unable to read runtime file: $!"; 139 or die "unable to read $RUNTIMEFILE file: $!";
72 $RUNTIME = <$fh> + 0.; 140 $RUNTIME = <$fh> + 0.;
73} 141}
74 142
75mkdir cf::localdir; 143mkdir $_
76mkdir cf::localdir . "/" . cf::playerdir; 144 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS;
80 145
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 146our $EMERGENCY_POSITION;
147
148sub cf::map::normalise;
84 149
85############################################################################# 150#############################################################################
86 151
87=head2 GLOBAL VARIABLES 152=head2 GLOBAL VARIABLES
88 153
… …
95=item $cf::RUNTIME 160=item $cf::RUNTIME
96 161
97The time this server has run, starts at 0 and is increased by $cf::TICK on 162The time this server has run, starts at 0 and is increased by $cf::TICK on
98every server tick. 163every server tick.
99 164
100=item $cf::LIBDIR 165=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
166$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
167$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101 168
102The perl library directory, where extensions and cf-specific modules can 169Various directories - "/etc", read-only install directory, perl-library
103be found. It will be added to C<@INC> automatically. 170directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
171unique-items directory, player file directory, random maps directory and
172database environment.
104 173
105=item $cf::NOW 174=item $cf::NOW
106 175
107The time of the last (current) server tick. 176The time of the last (current) server tick.
108 177
109=item $cf::TICK 178=item $cf::TICK
110 179
111The interval between server ticks, in seconds. 180The interval between server ticks, in seconds.
112 181
182=item $cf::LOADAVG
183
184The current CPU load on the server (alpha-smoothed), as a value between 0
185(none) and 1 (overloaded), indicating how much time is spent on processing
186objects per tick. Healthy values are < 0.5.
187
188=item $cf::LOAD
189
190The raw value load value from the last tick.
191
113=item %cf::CFG 192=item %cf::CFG
114 193
115Configuration for the server, loaded from C</etc/crossfire/config>, or 194Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116from wherever your confdir points to. 195from wherever your confdir points to.
117 196
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 197=item cf::wait_for_tick, cf::wait_for_tick_begin
119 198
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 199These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 200returns directly I<after> the tick processing (and consequently, can only wake one process
122processing has been done. Call C<< ->wait >> on them to maximise the 201per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123window of cpu time available, or simply to synchronise to the server tick. 202
203=item @cf::INVOKE_RESULTS
204
205This array contains the results of the last C<invoke ()> call. When
206C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
207that call.
124 208
125=back 209=back
126 210
127=cut 211=cut
128 212
129BEGIN { 213BEGIN {
130 *CORE::GLOBAL::warn = sub { 214 *CORE::GLOBAL::warn = sub {
131 my $msg = join "", @_; 215 my $msg = join "", @_;
132 utf8::encode $msg;
133 216
134 $msg .= "\n" 217 $msg .= "\n"
135 unless $msg =~ /\n$/; 218 unless $msg =~ /\n$/;
136 219
220 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
221
137 LOG llevError, $msg; 222 LOG llevError, $msg;
138 }; 223 };
139} 224}
225
226$Coro::State::DIEHOOK = sub {
227 return unless $^S eq 0; # "eq", not "=="
228
229 if ($Coro::current == $Coro::main) {#d#
230 warn "DIEHOOK called in main context, Coro bug?\n";#d#
231 return;#d#
232 }#d#
233
234 # kill coroutine otherwise
235 warn Carp::longmess $_[0];
236 Coro::terminate
237};
238
239$SIG{__DIE__} = sub { }; #d#?
140 240
141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 241@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 242@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 243@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 244@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 245@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
246@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 247@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147 248
148# we bless all objects into (empty) derived classes to force a method lookup 249# we bless all objects into (empty) derived classes to force a method lookup
149# within the Safe compartment. 250# within the Safe compartment.
150for my $pkg (qw( 251for my $pkg (qw(
151 cf::global cf::attachable 252 cf::global cf::attachable
152 cf::object cf::object::player 253 cf::object cf::object::player
153 cf::client cf::player 254 cf::client cf::player
154 cf::arch cf::living 255 cf::arch cf::living
256 cf::map cf::mapspace
155 cf::map cf::party cf::region 257 cf::party cf::region
156)) { 258)) {
157 no strict 'refs';
158 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 259 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159} 260}
160 261
161$Event::DIED = sub { 262$EV::DIED = sub {
162 warn "error in event callback: @_"; 263 warn "error in event callback: @_";
163}; 264};
265
266#############################################################################
164 267
165=head2 UTILITY FUNCTIONS 268=head2 UTILITY FUNCTIONS
166 269
167=over 4 270=over 4
168 271
… …
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 290 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d 291 $d
189 } || "[unable to dump $_[0]: '$@']"; 292 } || "[unable to dump $_[0]: '$@']";
190} 293}
191 294
192use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194=item $ref = cf::from_json $json 295=item $ref = cf::decode_json $json
195 296
196Converts a JSON string into the corresponding perl data structure. 297Converts a JSON string into the corresponding perl data structure.
197 298
198=cut
199
200sub from_json($) {
201 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202 JSON::Syck::Load $_[0]
203}
204
205=item $json = cf::to_json $ref 299=item $json = cf::encode_json $ref
206 300
207Converts a perl data structure into its JSON representation. 301Converts a perl data structure into its JSON representation.
208 302
209=cut 303=cut
210 304
211sub to_json($) { 305our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 306
213 JSON::Syck::Dump $_[0] 307sub encode_json($) { $json_coder->encode ($_[0]) }
214} 308sub decode_json($) { $json_coder->decode ($_[0]) }
215 309
216=item cf::lock_wait $string 310=item cf::lock_wait $string
217 311
218Wait until the given lock is available. See cf::lock_acquire. 312Wait until the given lock is available. See cf::lock_acquire.
219 313
… …
222Wait until the given lock is available and then acquires it and returns 316Wait until the given lock is available and then acquires it and returns
223a Coro::guard object. If the guard object gets destroyed (goes out of scope, 317a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224for example when the coroutine gets canceled), the lock is automatically 318for example when the coroutine gets canceled), the lock is automatically
225returned. 319returned.
226 320
321Locks are *not* recursive, locking from the same coro twice results in a
322deadlocked coro.
323
227Lock names should begin with a unique identifier (for example, cf::map::find 324Lock names should begin with a unique identifier (for example, cf::map::find
228uses map_find and cf::map::load uses map_load). 325uses map_find and cf::map::load uses map_load).
229 326
327=item $locked = cf::lock_active $string
328
329Return true if the lock is currently active, i.e. somebody has locked it.
330
230=cut 331=cut
231 332
232our %LOCK; 333our %LOCK;
334our %LOCKER;#d#
233 335
234sub lock_wait($) { 336sub lock_wait($) {
235 my ($key) = @_; 337 my ($key) = @_;
338
339 if ($LOCKER{$key} == $Coro::current) {#d#
340 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
341 return;#d#
342 }#d#
236 343
237 # wait for lock, if any 344 # wait for lock, if any
238 while ($LOCK{$key}) { 345 while ($LOCK{$key}) {
239 push @{ $LOCK{$key} }, $Coro::current; 346 push @{ $LOCK{$key} }, $Coro::current;
240 Coro::schedule; 347 Coro::schedule;
… …
246 353
247 # wait, to be sure we are not locked 354 # wait, to be sure we are not locked
248 lock_wait $key; 355 lock_wait $key;
249 356
250 $LOCK{$key} = []; 357 $LOCK{$key} = [];
358 $LOCKER{$key} = $Coro::current;#d#
251 359
252 Coro::guard { 360 Coro::guard {
361 delete $LOCKER{$key};#d#
253 # wake up all waiters, to be on the safe side 362 # wake up all waiters, to be on the safe side
254 $_->ready for @{ delete $LOCK{$key} }; 363 $_->ready for @{ delete $LOCK{$key} };
255 } 364 }
256} 365}
257 366
367sub lock_active($) {
368 my ($key) = @_;
369
370 ! ! $LOCK{$key}
371}
372
258sub freeze_mainloop { 373sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 374 tick_inhibit_inc;
260 375
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 376 Coro::guard \&tick_inhibit_dec;
262 $TICK_WATCHER->stop; 377}
263 $guard 378
379=item cf::periodic $interval, $cb
380
381Like EV::periodic, but randomly selects a starting point so that the actions
382get spread over timer.
383
384=cut
385
386sub periodic($$) {
387 my ($interval, $cb) = @_;
388
389 my $start = rand List::Util::min 180, $interval;
390
391 EV::periodic $start, $interval, 0, $cb
392}
393
394=item cf::get_slot $time[, $priority[, $name]]
395
396Allocate $time seconds of blocking CPU time at priority C<$priority>:
397This call blocks and returns only when you have at least C<$time> seconds
398of cpu time till the next tick. The slot is only valid till the next cede.
399
400The optional C<$name> can be used to identify the job to run. It might be
401used for statistical purposes and should identify the same time-class.
402
403Useful for short background jobs.
404
405=cut
406
407our @SLOT_QUEUE;
408our $SLOT_QUEUE;
409
410$SLOT_QUEUE->cancel if $SLOT_QUEUE;
411$SLOT_QUEUE = Coro::async {
412 $Coro::current->desc ("timeslot manager");
413
414 my $signal = new Coro::Signal;
415
416 while () {
417 next_job:
418 my $avail = cf::till_tick;
419 if ($avail > 0.01) {
420 for (0 .. $#SLOT_QUEUE) {
421 if ($SLOT_QUEUE[$_][0] < $avail) {
422 my $job = splice @SLOT_QUEUE, $_, 1, ();
423 $job->[2]->send;
424 Coro::cede;
425 goto next_job;
426 }
427 }
428 }
429
430 if (@SLOT_QUEUE) {
431 # we do not use wait_for_tick() as it returns immediately when tick is inactive
432 push @cf::WAIT_FOR_TICK, $signal;
433 $signal->wait;
434 } else {
435 Coro::schedule;
436 }
437 }
438};
439
440sub get_slot($;$$) {
441 return if tick_inhibit || $Coro::current == $Coro::main;
442
443 my ($time, $pri, $name) = @_;
444
445 $time = $TICK * .6 if $time > $TICK * .6;
446 my $sig = new Coro::Signal;
447
448 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
449 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
450 $SLOT_QUEUE->ready;
451 $sig->wait;
264} 452}
265 453
266=item cf::async { BLOCK } 454=item cf::async { BLOCK }
267 455
268Currently the same as Coro::async_pool, meaning you cannot use 456Currently the same as Coro::async_pool, meaning you cannot use
… …
273 461
274BEGIN { *async = \&Coro::async_pool } 462BEGIN { *async = \&Coro::async_pool }
275 463
276=item cf::sync_job { BLOCK } 464=item cf::sync_job { BLOCK }
277 465
278The design of crossfire+ requires that the main coro ($Coro::main) is 466The design of Deliantra requires that the main coroutine ($Coro::main)
279always able to handle events or runnable, as crossfire+ is only partly 467is always able to handle events or runnable, as Deliantra is only
280reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 468partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
469acceptable.
281 470
282If it must be done, put the blocking parts into C<sync_job>. This will run 471If it must be done, put the blocking parts into C<sync_job>. This will run
283the given BLOCK in another coroutine while waiting for the result. The 472the given BLOCK in another coroutine while waiting for the result. The
284server will be frozen during this time, so the block should either finish 473server will be frozen during this time, so the block should either finish
285fast or be very important. 474fast or be very important.
… …
288 477
289sub sync_job(&) { 478sub sync_job(&) {
290 my ($job) = @_; 479 my ($job) = @_;
291 480
292 if ($Coro::current == $Coro::main) { 481 if ($Coro::current == $Coro::main) {
482 my $time = EV::time;
483
293 # this is the main coro, too bad, we have to block 484 # this is the main coro, too bad, we have to block
294 # till the operation succeeds, freezing the server :/ 485 # till the operation succeeds, freezing the server :/
295 486
296 # TODO: use suspend/resume instead 487 LOG llevError, Carp::longmess "sync job";#d#
297 # (but this is cancel-safe) 488
298 my $freeze_guard = freeze_mainloop; 489 my $freeze_guard = freeze_mainloop;
299 490
300 my $busy = 1; 491 my $busy = 1;
301 my @res; 492 my @res;
302 493
303 (async { 494 (async {
495 $Coro::current->desc ("sync job coro");
304 @res = eval { $job->() }; 496 @res = eval { $job->() };
305 warn $@ if $@; 497 warn $@ if $@;
306 undef $busy; 498 undef $busy;
307 })->prio (Coro::PRIO_MAX); 499 })->prio (Coro::PRIO_MAX);
308 500
309 while ($busy) { 501 while ($busy) {
310 Coro::cede or Event::one_event; 502 if (Coro::nready) {
503 Coro::cede_notself;
504 } else {
505 EV::loop EV::LOOP_ONESHOT;
311 } 506 }
507 }
508
509 my $time = EV::time - $time;
510
511 $TICK_START += $time; # do not account sync jobs to server load
312 512
313 wantarray ? @res : $res[0] 513 wantarray ? @res : $res[0]
314 } else { 514 } else {
315 # we are in another coroutine, how wonderful, everything just works 515 # we are in another coroutine, how wonderful, everything just works
316 516
… …
336 $EXT_CORO{$coro+0} = $coro; 536 $EXT_CORO{$coro+0} = $coro;
337 537
338 $coro 538 $coro
339} 539}
340 540
341sub write_runtime { 541=item fork_call { }, $args
342 my $runtime = cf::localdir . "/runtime";
343 542
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 543Executes the given code block with the given arguments in a seperate
345 or return; 544process, returning the results. Everything must be serialisable with
545Coro::Storable. May, of course, block. Note that the executed sub may
546never block itself or use any form of event handling.
346 547
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 548=cut
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return;
350 549
351 aio_fsync $fh 550sub fork_call(&@) {
352 and return; 551 my ($cb, @args) = @_;
353 552
354 close $fh 553 # we seemingly have to make a local copy of the whole thing,
355 or return; 554 # otherwise perl prematurely frees the stuff :/
555 # TODO: investigate and fix (likely this will be rather laborious)
356 556
357 aio_rename "$runtime~", $runtime 557 my @res = Coro::Util::fork_eval {
358 and return; 558 reset_signals;
559 &$cb
560 }, @args;
359 561
562 wantarray ? @res : $res[-1]
563}
564
565=item $coin = coin_from_name $name
566
567=cut
568
569our %coin_alias = (
570 "silver" => "silvercoin",
571 "silvercoin" => "silvercoin",
572 "silvercoins" => "silvercoin",
573 "gold" => "goldcoin",
574 "goldcoin" => "goldcoin",
575 "goldcoins" => "goldcoin",
576 "platinum" => "platinacoin",
577 "platinumcoin" => "platinacoin",
578 "platinumcoins" => "platinacoin",
579 "platina" => "platinacoin",
580 "platinacoin" => "platinacoin",
581 "platinacoins" => "platinacoin",
582 "royalty" => "royalty",
583 "royalties" => "royalty",
584);
585
586sub coin_from_name($) {
587 $coin_alias{$_[0]}
588 ? cf::arch::find $coin_alias{$_[0]}
589 : undef
590}
591
592=item $value = cf::db_get $family => $key
593
594Returns a single value from the environment database.
595
596=item cf::db_put $family => $key => $value
597
598Stores the given C<$value> in the family. It can currently store binary
599data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
600
601=item $db = cf::db_table "name"
602
603Create and/or open a new database table. The string must not be "db" and must be unique
604within each server.
605
606=cut
607
608sub db_table($) {
609 my ($name) = @_;
610 my $db = BDB::db_create $DB_ENV;
611
612 eval {
613 $db->set_flags (BDB::CHKSUM);
614
615 utf8::encode $name;
616 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
617 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
618 cf::cleanup "db_open(db): $!" if $!;
619 };
620 cf::cleanup "db_open(db): $@" if $@;
621
622 $db
623}
624
625our $DB;
626
627sub db_init {
628 cf::sync_job {
629 $DB ||= db_table "db";
630 };
631}
632
633sub db_get($$) {
634 my $key = "$_[0]/$_[1]";
635
636 cf::sync_job {
637 BDB::db_get $DB, undef, $key, my $data;
638
639 $! ? ()
640 : $data
360 1 641 }
642}
643
644sub db_put($$$) {
645 BDB::dbreq_pri 4;
646 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
647}
648
649=item cf::cache $id => [$paths...], $processversion => $process
650
651Generic caching function that returns the value of the resource $id,
652caching and regenerating as required.
653
654This function can block.
655
656=cut
657
658sub cache {
659 my ($id, $src, $processversion, $process) = @_;
660
661 my $meta =
662 join "\x00",
663 $processversion,
664 map {
665 aio_stat $_
666 and Carp::croak "$_: $!";
667
668 ($_, (stat _)[7,9])
669 } @$src;
670
671 my $dbmeta = db_get cache => "$id/meta";
672 if ($dbmeta ne $meta) {
673 # changed, we may need to process
674
675 my @data;
676 my $md5;
677
678 for (0 .. $#$src) {
679 0 <= aio_load $src->[$_], $data[$_]
680 or Carp::croak "$src->[$_]: $!";
681 }
682
683 # if processing is expensive, check
684 # checksum first
685 if (1) {
686 $md5 =
687 join "\x00",
688 $processversion,
689 map {
690 cf::cede_to_tick;
691 ($src->[$_], Digest::MD5::md5_hex $data[$_])
692 } 0.. $#$src;
693
694
695 my $dbmd5 = db_get cache => "$id/md5";
696 if ($dbmd5 eq $md5) {
697 db_put cache => "$id/meta", $meta;
698
699 return db_get cache => "$id/data";
700 }
701 }
702
703 my $t1 = Time::HiRes::time;
704 my $data = $process->(\@data);
705 my $t2 = Time::HiRes::time;
706
707 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
708
709 db_put cache => "$id/data", $data;
710 db_put cache => "$id/md5" , $md5;
711 db_put cache => "$id/meta", $meta;
712
713 return $data;
714 }
715
716 db_get cache => "$id/data"
717}
718
719=item cf::datalog type => key => value, ...
720
721Log a datalog packet of the given type with the given key-value pairs.
722
723=cut
724
725sub datalog($@) {
726 my ($type, %kv) = @_;
727 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361} 728}
362 729
363=back 730=back
364 731
365=cut 732=cut
366 733
367############################################################################# 734#############################################################################
368 735
369package cf::path;
370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521package cf;
522
523#############################################################################
524
525=head2 ATTACHABLE OBJECTS 736=head2 ATTACHABLE OBJECTS
526 737
527Many objects in crossfire are so-called attachable objects. That means you can 738Many objects in deliantra are so-called attachable objects. That means you can
528attach callbacks/event handlers (a collection of which is called an "attachment") 739attach callbacks/event handlers (a collection of which is called an "attachment")
529to it. All such attachable objects support the following methods. 740to it. All such attachable objects support the following methods.
530 741
531In the following description, CLASS can be any of C<global>, C<object> 742In the following description, CLASS can be any of C<global>, C<object>
532C<player>, C<client> or C<map> (i.e. the attachable objects in 743C<player>, C<client> or C<map> (i.e. the attachable objects in
533crossfire+). 744Deliantra).
534 745
535=over 4 746=over 4
536 747
537=item $attachable->attach ($attachment, key => $value...) 748=item $attachable->attach ($attachment, key => $value...)
538 749
… …
582=item cf::CLASS::attachment $name, ... 793=item cf::CLASS::attachment $name, ...
583 794
584Register an attachment by C<$name> through which attachable objects of the 795Register an attachment by C<$name> through which attachable objects of the
585given CLASS can refer to this attachment. 796given CLASS can refer to this attachment.
586 797
587Some classes such as crossfire maps and objects can specify attachments 798Some classes such as deliantra maps and objects can specify attachments
588that are attached at load/instantiate time, thus the need for a name. 799that are attached at load/instantiate time, thus the need for a name.
589 800
590These calls expect any number of the following handler/hook descriptions: 801These calls expect any number of the following handler/hook descriptions:
591 802
592=over 4 803=over 4
… …
652our @CB_TYPE = (); # registry for type (cf-object class) based events 863our @CB_TYPE = (); # registry for type (cf-object class) based events
653our @CB_MAP = (); 864our @CB_MAP = ();
654 865
655my %attachment; 866my %attachment;
656 867
868sub cf::attachable::thawer_merge {
869 # simply override everything except _meta
870 local $_[0]{_meta};
871 %{$_[0]} = %{$_[1]};
872}
873
657sub _attach_cb($$$$) { 874sub _attach_cb($$$$) {
658 my ($registry, $event, $prio, $cb) = @_; 875 my ($registry, $event, $prio, $cb) = @_;
659 876
660 use sort 'stable'; 877 use sort 'stable';
661 878
… …
695 $registry = $CB_TYPE[$object_type] ||= []; 912 $registry = $CB_TYPE[$object_type] ||= [];
696 913
697 } elsif ($type eq "subtype") { 914 } elsif ($type eq "subtype") {
698 defined $object_type or Carp::croak "subtype specified without type"; 915 defined $object_type or Carp::croak "subtype specified without type";
699 my $object_subtype = shift @arg; 916 my $object_subtype = shift @arg;
700 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 917 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701 918
702 } elsif ($type eq "package") { 919 } elsif ($type eq "package") {
703 my $pkg = shift @arg; 920 my $pkg = shift @arg;
704 921
705 while (my ($name, $id) = each %cb_id) { 922 while (my ($name, $id) = each %cb_id) {
… …
734 _attach $registry, $klass, @attach; 951 _attach $registry, $klass, @attach;
735 } 952 }
736 953
737 $obj->{$name} = \%arg; 954 $obj->{$name} = \%arg;
738 } else { 955 } else {
739 warn "object uses attachment '$name' that is not available, postponing.\n"; 956 warn "object uses attachment '$name' which is not available, postponing.\n";
740 } 957 }
741 958
742 $obj->{_attachment}{$name} = undef; 959 $obj->{_attachment}{$name} = undef;
743} 960}
744 961
… …
746 if (ref $_[0]) { 963 if (ref $_[0]) {
747 _object_attach @_; 964 _object_attach @_;
748 } else { 965 } else {
749 _attach shift->_attach_registry, @_; 966 _attach shift->_attach_registry, @_;
750 } 967 }
968 _recalc_want;
751}; 969};
752 970
753# all those should be optimised 971# all those should be optimised
754sub cf::attachable::detach { 972sub cf::attachable::detach {
755 my ($obj, $name) = @_; 973 my ($obj, $name) = @_;
… …
758 delete $obj->{_attachment}{$name}; 976 delete $obj->{_attachment}{$name};
759 reattach ($obj); 977 reattach ($obj);
760 } else { 978 } else {
761 Carp::croak "cannot, currently, detach class attachments"; 979 Carp::croak "cannot, currently, detach class attachments";
762 } 980 }
981 _recalc_want;
763}; 982};
764 983
765sub cf::attachable::attached { 984sub cf::attachable::attached {
766 my ($obj, $name) = @_; 985 my ($obj, $name) = @_;
767 986
… …
782 "; 1001 ";
783 die if $@; 1002 die if $@;
784} 1003}
785 1004
786our $override; 1005our $override;
787our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1006our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788 1007
789sub override { 1008sub override {
790 $override = 1; 1009 $override = 1;
791 @invoke_results = (); 1010 @INVOKE_RESULTS = (@_);
792} 1011}
793 1012
794sub do_invoke { 1013sub do_invoke {
795 my $event = shift; 1014 my $event = shift;
796 my $callbacks = shift; 1015 my $callbacks = shift;
797 1016
798 @invoke_results = (); 1017 @INVOKE_RESULTS = ();
799 1018
800 local $override; 1019 local $override;
801 1020
802 for (@$callbacks) { 1021 for (@$callbacks) {
803 eval { &{$_->[1]} }; 1022 eval { &{$_->[1]} };
… …
812 } 1031 }
813 1032
814 0 1033 0
815} 1034}
816 1035
817=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1036=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
818 1037
819=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1038=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
820 1039
821Generate an object-specific event with the given arguments. 1040Generate an object-specific event with the given arguments.
822 1041
823This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1042This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824removed in future versions), and there is no public API to access override 1043removed in future versions), and there is no public API to access override
825results (if you must, access C<@cf::invoke_results> directly). 1044results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826 1045
827=back 1046=back
828 1047
829=cut 1048=cut
830 1049
831############################################################################# 1050#############################################################################
832# object support 1051# object support
1052
1053sub _object_equal($$);
1054sub _object_equal($$) {
1055 my ($a, $b) = @_;
1056
1057 return 0 unless (ref $a) eq (ref $b);
1058
1059 if ("HASH" eq ref $a) {
1060 my @ka = keys %$a;
1061 my @kb = keys %$b;
1062
1063 return 0 if @ka != @kb;
1064
1065 for (0 .. $#ka) {
1066 return 0 unless $ka[$_] eq $kb[$_];
1067 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1068 }
1069
1070 } elsif ("ARRAY" eq ref $a) {
1071
1072 return 0 if @$a != @$b;
1073
1074 for (0 .. $#$a) {
1075 return 0 unless _object_equal $a->[$_], $b->[$_];
1076 }
1077
1078 } elsif ($a ne $b) {
1079 return 0;
1080 }
1081
1082 1
1083}
1084
1085our $SLOW_MERGES;#d#
1086sub _can_merge {
1087 my ($ob1, $ob2) = @_;
1088
1089 ++$SLOW_MERGES;#d#
1090
1091 # we do the slow way here
1092 return _object_equal $ob1, $ob2
1093}
833 1094
834sub reattach { 1095sub reattach {
835 # basically do the same as instantiate, without calling instantiate 1096 # basically do the same as instantiate, without calling instantiate
836 my ($obj) = @_; 1097 my ($obj) = @_;
1098
1099 # no longer needed after getting rid of delete_package?
1100 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837 1101
838 my $registry = $obj->registry; 1102 my $registry = $obj->registry;
839 1103
840 @$registry = (); 1104 @$registry = ();
841 1105
… …
856cf::attachable->attach ( 1120cf::attachable->attach (
857 prio => -1000000, 1121 prio => -1000000,
858 on_instantiate => sub { 1122 on_instantiate => sub {
859 my ($obj, $data) = @_; 1123 my ($obj, $data) = @_;
860 1124
861 $data = from_json $data; 1125 $data = decode_json $data;
862 1126
863 for (@$data) { 1127 for (@$data) {
864 my ($name, $args) = @$_; 1128 my ($name, $args) = @$_;
865 1129
866 $obj->attach ($name, %{$args || {} }); 1130 $obj->attach ($name, %{$args || {} });
… …
882sub object_freezer_save { 1146sub object_freezer_save {
883 my ($filename, $rdata, $objs) = @_; 1147 my ($filename, $rdata, $objs) = @_;
884 1148
885 sync_job { 1149 sync_job {
886 if (length $$rdata) { 1150 if (length $$rdata) {
1151 utf8::decode (my $decname = $filename);
887 warn sprintf "saving %s (%d,%d)\n", 1152 warn sprintf "saving %s (%d,%d)\n",
888 $filename, length $$rdata, scalar @$objs; 1153 $decname, length $$rdata, scalar @$objs;
889 1154
890 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1155 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891 chmod SAVE_MODE, $fh; 1156 aio_chmod $fh, SAVE_MODE;
892 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1157 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893 aio_fsync $fh; 1158 aio_fsync $fh if $cf::USE_FSYNC;
894 close $fh; 1159 aio_close $fh;
895 1160
896 if (@$objs) { 1161 if (@$objs) {
897 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1162 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898 chmod SAVE_MODE, $fh; 1163 aio_chmod $fh, SAVE_MODE;
899 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1164 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
900 aio_write $fh, 0, (length $data), $data, 0; 1165 aio_write $fh, 0, (length $data), $data, 0;
901 aio_fsync $fh; 1166 aio_fsync $fh if $cf::USE_FSYNC;
902 close $fh; 1167 aio_close $fh;
903 aio_rename "$filename.pst~", "$filename.pst"; 1168 aio_rename "$filename.pst~", "$filename.pst";
904 } 1169 }
905 } else { 1170 } else {
906 aio_unlink "$filename.pst"; 1171 aio_unlink "$filename.pst";
907 } 1172 }
… …
912 } 1177 }
913 } else { 1178 } else {
914 aio_unlink $filename; 1179 aio_unlink $filename;
915 aio_unlink "$filename.pst"; 1180 aio_unlink "$filename.pst";
916 } 1181 }
917 } 1182 };
918} 1183}
919 1184
920sub object_freezer_as_string { 1185sub object_freezer_as_string {
921 my ($rdata, $objs) = @_; 1186 my ($rdata, $objs) = @_;
922 1187
… …
934 or return; 1199 or return;
935 1200
936 unless (aio_stat "$filename.pst") { 1201 unless (aio_stat "$filename.pst") {
937 (aio_load "$filename.pst", $av) >= 0 1202 (aio_load "$filename.pst", $av) >= 0
938 or return; 1203 or return;
1204
939 $av = eval { (Storable::thaw $av)->{objs} }; 1205 my $st = eval { Coro::Storable::thaw $av };
1206 $av = $st->{objs};
940 } 1207 }
941 1208
1209 utf8::decode (my $decname = $filename);
942 warn sprintf "loading %s (%d)\n", 1210 warn sprintf "loading %s (%d,%d)\n",
943 $filename, length $data, scalar @{$av || []};#d# 1211 $decname, length $data, scalar @{$av || []};
1212
944 return ($data, $av); 1213 ($data, $av)
945} 1214}
1215
1216=head2 COMMAND CALLBACKS
1217
1218=over 4
1219
1220=cut
946 1221
947############################################################################# 1222#############################################################################
948# command handling &c 1223# command handling &c
949 1224
950=item cf::register_command $name => \&callback($ob,$args); 1225=item cf::register_command $name => \&callback($ob,$args);
… …
963 push @{ $COMMAND{$name} }, [$caller, $cb]; 1238 push @{ $COMMAND{$name} }, [$caller, $cb];
964} 1239}
965 1240
966=item cf::register_extcmd $name => \&callback($pl,$packet); 1241=item cf::register_extcmd $name => \&callback($pl,$packet);
967 1242
968Register a callbackf ro execution when the client sends an extcmd packet. 1243Register a callback for execution when the client sends an (synchronous)
1244extcmd packet. Ext commands will be processed in the order they are
1245received by the server, like other user commands. The first argument is
1246the logged-in player. Ext commands can only be processed after a player
1247has logged in successfully.
969 1248
970If the callback returns something, it is sent back as if reply was being 1249If the callback returns something, it is sent back as if reply was being
971called. 1250called.
972 1251
1252=item cf::register_exticmd $name => \&callback($ns,$packet);
1253
1254Register a callback for execution when the client sends an (asynchronous)
1255exticmd packet. Exti commands are processed by the server as soon as they
1256are received, i.e. out of order w.r.t. other commands. The first argument
1257is a client socket. Exti commands can be received anytime, even before
1258log-in.
1259
1260If the callback returns something, it is sent back as if reply was being
1261called.
1262
973=cut 1263=cut
974 1264
975sub register_extcmd { 1265sub register_extcmd {
976 my ($name, $cb) = @_; 1266 my ($name, $cb) = @_;
977 1267
978 $EXTCMD{$name} = $cb; 1268 $EXTCMD{$name} = $cb;
1269}
1270
1271sub register_exticmd {
1272 my ($name, $cb) = @_;
1273
1274 $EXTICMD{$name} = $cb;
979} 1275}
980 1276
981cf::player->attach ( 1277cf::player->attach (
982 on_command => sub { 1278 on_command => sub {
983 my ($pl, $name, $params) = @_; 1279 my ($pl, $name, $params) = @_;
… …
992 cf::override; 1288 cf::override;
993 }, 1289 },
994 on_extcmd => sub { 1290 on_extcmd => sub {
995 my ($pl, $buf) = @_; 1291 my ($pl, $buf) = @_;
996 1292
997 my $msg = eval { from_json $buf }; 1293 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998 1294
999 if (ref $msg) { 1295 if (ref $msg) {
1296 my ($type, $reply, @payload) =
1297 "ARRAY" eq ref $msg
1298 ? @$msg
1299 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1300
1301 my @reply;
1302
1000 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1303 if (my $cb = $EXTCMD{$type}) {
1001 if (my %reply = $cb->($pl, $msg)) { 1304 @reply = $cb->($pl, @payload);
1002 $pl->ext_reply ($msg->{msgid}, %reply);
1003 }
1004 } 1305 }
1306
1307 $pl->ext_reply ($reply, @reply)
1308 if $reply;
1309
1005 } else { 1310 } else {
1006 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1311 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007 } 1312 }
1008 1313
1009 cf::override; 1314 cf::override;
1010 }, 1315 },
1011); 1316);
1012 1317
1013sub load_extension {
1014 my ($path) = @_;
1015
1016 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017 my $base = $1;
1018 my $pkg = $1;
1019 $pkg =~ s/[^[:word:]]/_/g;
1020 $pkg = "ext::$pkg";
1021
1022 warn "... loading '$path' into '$pkg'\n";
1023
1024 open my $fh, "<:utf8", $path
1025 or die "$path: $!";
1026
1027 my $source =
1028 "package $pkg; use strict; use utf8;\n"
1029 . "#line 1 \"$path\"\n{\n"
1030 . (do { local $/; <$fh> })
1031 . "\n};\n1";
1032
1033 eval $source
1034 or die $@ ? "$path: $@\n"
1035 : "extension disabled.\n";
1036
1037 push @EXTS, $pkg;
1038}
1039
1040sub load_extensions { 1318sub load_extensions {
1319 cf::sync_job {
1320 my %todo;
1321
1041 for my $ext (<$LIBDIR/*.ext>) { 1322 for my $path (<$LIBDIR/*.ext>) {
1042 next unless -r $ext; 1323 next unless -r $path;
1043 eval { 1324
1044 load_extension $ext; 1325 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1326 my $base = $1;
1327 my $pkg = $1;
1328 $pkg =~ s/[^[:word:]]/_/g;
1329 $pkg = "ext::$pkg";
1330
1331 open my $fh, "<:utf8", $path
1332 or die "$path: $!";
1333
1334 my $source = do { local $/; <$fh> };
1335
1336 my %ext = (
1337 path => $path,
1338 base => $base,
1339 pkg => $pkg,
1340 );
1341
1342 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1343 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1344
1345 $ext{source} =
1346 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1347 . "#line 1 \"$path\"\n{\n"
1348 . $source
1349 . "\n};\n1";
1350
1351 $todo{$base} = \%ext;
1352 }
1353
1354 my %done;
1355 while (%todo) {
1356 my $progress;
1357
1358 while (my ($k, $v) = each %todo) {
1359 for (split /,\s*/, $v->{meta}{depends}) {
1360 goto skip
1361 unless exists $done{$_};
1362 }
1363
1364 warn "... loading '$k' into '$v->{pkg}'\n";
1365
1366 unless (eval $v->{source}) {
1367 my $msg = $@ ? "$v->{path}: $@\n"
1368 : "$v->{base}: extension inactive.\n";
1369
1370 if (exists $v->{meta}{mandatory}) {
1371 warn $msg;
1372 cf::cleanup "mandatory extension failed to load, exiting.";
1373 }
1374
1375 warn $msg;
1376 }
1377
1378 $done{$k} = delete $todo{$k};
1379 push @EXTS, $v->{pkg};
1380 $progress = 1;
1045 1 1381 }
1046 } or warn "$ext not loaded: $@"; 1382
1383 skip:
1384 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1385 unless $progress;
1386 }
1047 } 1387 };
1048} 1388}
1049 1389
1050############################################################################# 1390#############################################################################
1051# load/save/clean perl data associated with a map
1052 1391
1053*cf::mapsupport::on_clean = sub { 1392=back
1054 my ($map) = @_;
1055
1056 my $path = $map->tmpname;
1057 defined $path or return;
1058
1059 unlink "$path.pst";
1060};
1061
1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064#############################################################################
1065 1393
1066=head2 CORE EXTENSIONS 1394=head2 CORE EXTENSIONS
1067 1395
1068Functions and methods that extend core crossfire objects. 1396Functions and methods that extend core deliantra objects.
1069 1397
1070=cut 1398=cut
1071 1399
1072package cf::player; 1400package cf::player;
1073 1401
… …
1075 1403
1076=head3 cf::player 1404=head3 cf::player
1077 1405
1078=over 4 1406=over 4
1079 1407
1408=item cf::player::num_playing
1409
1410Returns the official number of playing players, as per the Crossfire metaserver rules.
1411
1412=cut
1413
1414sub num_playing {
1415 scalar grep
1416 $_->ob->map
1417 && !$_->hidden
1418 && !$_->ob->flag (cf::FLAG_WIZ),
1419 cf::player::list
1420}
1421
1080=item cf::player::find $login 1422=item cf::player::find $login
1081 1423
1082Returns the given player object, loading it if necessary (might block). 1424Returns the given player object, loading it if necessary (might block).
1083 1425
1084=cut 1426=cut
1085 1427
1086sub playerdir($) { 1428sub playerdir($) {
1087 cf::localdir 1429 "$PLAYERDIR/"
1088 . "/"
1089 . cf::playerdir
1090 . "/"
1091 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1430 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1092} 1431}
1093 1432
1094sub path($) { 1433sub path($) {
1095 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1434 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096 1435
1097 (playerdir $login) . "/$login.pl" 1436 (playerdir $login) . "/playerdata"
1098} 1437}
1099 1438
1100sub find_active($) { 1439sub find_active($) {
1101 $cf::PLAYER{$_[0]} 1440 $cf::PLAYER{$_[0]}
1102 and $cf::PLAYER{$_[0]}->active 1441 and $cf::PLAYER{$_[0]}->active
… …
1105 1444
1106sub exists($) { 1445sub exists($) {
1107 my ($login) = @_; 1446 my ($login) = @_;
1108 1447
1109 $cf::PLAYER{$login} 1448 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login } 1449 or cf::sync_job { !aio_stat path $login }
1111} 1450}
1112 1451
1113sub find($) { 1452sub find($) {
1114 return $cf::PLAYER{$_[0]} || do { 1453 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0]; 1454 my $login = $_[0];
1116 1455
1117 my $guard = cf::lock_acquire "user_find:$login"; 1456 my $guard = cf::lock_acquire "user_find:$login";
1118 1457
1119 $cf::PLAYER{$_[0]} || do { 1458 $cf::PLAYER{$_[0]} || do {
1120 my $pl = load_pl path $login 1459 # rename old playerfiles to new ones
1460 #TODO: remove when no longer required
1461 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1462 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1463 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1464 aio_unlink +(playerdir $login) . "/$login.pl";
1465
1466 my $f = new_from_file cf::object::thawer path $login
1121 or return; 1467 or return;
1468
1469 my $pl = cf::player::load_pl $f
1470 or return;
1471
1472 local $cf::PLAYER_LOADING{$login} = $pl;
1473 $f->resolve_delayed_derefs;
1122 $cf::PLAYER{$login} = $pl 1474 $cf::PLAYER{$login} = $pl
1123 } 1475 }
1124 } 1476 }
1125} 1477}
1126 1478
… …
1135 return if $pl->{deny_save}; 1487 return if $pl->{deny_save};
1136 1488
1137 aio_mkdir playerdir $pl, 0770; 1489 aio_mkdir playerdir $pl, 0770;
1138 $pl->{last_save} = $cf::RUNTIME; 1490 $pl->{last_save} = $cf::RUNTIME;
1139 1491
1492 cf::get_slot 0.01;
1493
1140 $pl->save_pl ($path); 1494 $pl->save_pl ($path);
1141 Coro::cede; 1495 cf::cede_to_tick;
1142} 1496}
1143 1497
1144sub new($) { 1498sub new($) {
1145 my ($login) = @_; 1499 my ($login) = @_;
1146 1500
… …
1152 $cf::PLAYER{$login} = $self; 1506 $cf::PLAYER{$login} = $self;
1153 1507
1154 $self 1508 $self
1155} 1509}
1156 1510
1511=item $player->send_msg ($channel, $msg, $color, [extra...])
1512
1513=cut
1514
1515sub send_msg {
1516 my $ns = shift->ns
1517 or return;
1518 $ns->send_msg (@_);
1519}
1520
1157=item $pl->quit_character 1521=item $pl->quit_character
1158 1522
1159Nukes the player without looking back. If logged in, the connection will 1523Nukes the player without looking back. If logged in, the connection will
1160be destroyed. May block for a long time. 1524be destroyed. May block for a long time.
1161 1525
1162=cut 1526=cut
1163 1527
1164sub quit_character { 1528sub quit_character {
1165 my ($pl) = @_; 1529 my ($pl) = @_;
1166 1530
1531 my $name = $pl->ob->name;
1532
1167 $pl->{deny_save} = 1; 1533 $pl->{deny_save} = 1;
1168 $pl->password ("*"); # this should lock out the player until we nuked the dir 1534 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1169 1535
1170 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1536 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171 $pl->deactivate; 1537 $pl->deactivate;
1538 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1539 $pl->ob->check_score;
1172 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1540 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1173 $pl->ns->destroy if $pl->ns; 1541 $pl->ns->destroy if $pl->ns;
1174 1542
1175 my $path = playerdir $pl; 1543 my $path = playerdir $pl;
1176 my $temp = "$path~$cf::RUNTIME~deleting~"; 1544 my $temp = "$path~$cf::RUNTIME~deleting~";
1177 aio_rename $path, $temp; 1545 aio_rename $path, $temp;
1178 delete $cf::PLAYER{$pl->ob->name}; 1546 delete $cf::PLAYER{$pl->ob->name};
1179 $pl->destroy; 1547 $pl->destroy;
1548
1549 my $prefix = qr<^~\Q$name\E/>;
1550
1551 # nuke player maps
1552 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1553
1180 IO::AIO::aio_rmtree $temp; 1554 IO::AIO::aio_rmtree $temp;
1555}
1556
1557=item $pl->kick
1558
1559Kicks a player out of the game. This destroys the connection.
1560
1561=cut
1562
1563sub kick {
1564 my ($pl, $kicker) = @_;
1565
1566 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1567 $pl->killer ("kicked");
1568 $pl->ns->destroy;
1181} 1569}
1182 1570
1183=item cf::player::list_logins 1571=item cf::player::list_logins
1184 1572
1185Returns am arrayref of all valid playernames in the system, can take a 1573Returns am arrayref of all valid playernames in the system, can take a
1186while and may block, so not sync_job-capable, ever. 1574while and may block, so not sync_job-capable, ever.
1187 1575
1188=cut 1576=cut
1189 1577
1190sub list_logins { 1578sub list_logins {
1191 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1579 my $dirs = aio_readdir $PLAYERDIR
1192 or return []; 1580 or return [];
1193 1581
1194 my @logins; 1582 my @logins;
1195 1583
1196 for my $login (@$dirs) { 1584 for my $login (@$dirs) {
1585 my $path = path $login;
1586
1587 # a .pst is a dead give-away for a valid player
1588 # if no pst file found, open and chekc for blocked users
1589 if (aio_stat "$path.pst") {
1197 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1590 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198 aio_read $fh, 0, 512, my $buf, 0 or next; 1591 aio_read $fh, 0, 512, my $buf, 0 or next;
1199 $buf !~ /^password -------------$/m or next; # official not-valid tag 1592 $buf !~ /^password -------------$/m or next; # official not-valid tag
1593 }
1200 1594
1201 utf8::decode $login; 1595 utf8::decode $login;
1202 push @logins, $login; 1596 push @logins, $login;
1203 } 1597 }
1204 1598
1205 \@logins 1599 \@logins
1206} 1600}
1207 1601
1208=item $player->maps 1602=item $player->maps
1209 1603
1210Returns an arrayref of cf::path's of all maps that are private for this 1604Returns an arrayref of map paths that are private for this
1211player. May block. 1605player. May block.
1212 1606
1213=cut 1607=cut
1214 1608
1215sub maps($) { 1609sub maps($) {
1216 my ($pl) = @_; 1610 my ($pl) = @_;
1611
1612 $pl = ref $pl ? $pl->ob->name : $pl;
1217 1613
1218 my $files = aio_readdir playerdir $pl 1614 my $files = aio_readdir playerdir $pl
1219 or return; 1615 or return;
1220 1616
1221 my @paths; 1617 my @paths;
… …
1223 for (@$files) { 1619 for (@$files) {
1224 utf8::decode $_; 1620 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/; 1621 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o; 1622 next unless /^$PATH_SEP/o;
1227 1623
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1624 push @paths, cf::map::normalise "~$pl/$_";
1229 } 1625 }
1230 1626
1231 \@paths 1627 \@paths
1232} 1628}
1233 1629
1630=item $protocol_xml = $player->expand_cfpod ($cfpod)
1631
1632Expand deliantra pod fragments into protocol xml.
1633
1234=item $player->ext_reply ($msgid, $msgtype, %msg) 1634=item $player->ext_reply ($msgid, @msg)
1235 1635
1236Sends an ext reply to the player. 1636Sends an ext reply to the player.
1237 1637
1238=cut 1638=cut
1239 1639
1240sub ext_reply($$$%) { 1640sub ext_reply($$@) {
1241 my ($self, $id, %msg) = @_; 1641 my ($self, $id, @msg) = @_;
1242 1642
1243 $msg{msgid} = $id; 1643 $self->ns->ext_reply ($id, @msg)
1244
1245 $self->send ("ext " . cf::to_json \%msg);
1246} 1644}
1247 1645
1248package cf; 1646=item $player->ext_msg ($type, @msg)
1647
1648Sends an ext event to the client.
1649
1650=cut
1651
1652sub ext_msg($$@) {
1653 my ($self, $type, @msg) = @_;
1654
1655 $self->ns->ext_msg ($type, @msg);
1656}
1657
1658=head3 cf::region
1659
1660=over 4
1661
1662=cut
1663
1664package cf::region;
1665
1666=item cf::region::find_by_path $path
1667
1668Tries to decuce the likely region for a map knowing only its path.
1669
1670=cut
1671
1672sub find_by_path($) {
1673 my ($path) = @_;
1674
1675 my ($match, $specificity);
1676
1677 for my $region (list) {
1678 if ($region->{match} && $path =~ $region->{match}) {
1679 ($match, $specificity) = ($region, $region->specificity)
1680 if $region->specificity > $specificity;
1681 }
1682 }
1683
1684 $match
1685}
1249 1686
1250=back 1687=back
1251
1252 1688
1253=head3 cf::map 1689=head3 cf::map
1254 1690
1255=over 4 1691=over 4
1256 1692
… …
1259package cf::map; 1695package cf::map;
1260 1696
1261use Fcntl; 1697use Fcntl;
1262use Coro::AIO; 1698use Coro::AIO;
1263 1699
1700use overload
1701 '""' => \&as_string,
1702 fallback => 1;
1703
1264our $MAX_RESET = 3600; 1704our $MAX_RESET = 3600;
1265our $DEFAULT_RESET = 3000; 1705our $DEFAULT_RESET = 3000;
1266 1706
1267sub generate_random_map { 1707sub generate_random_map {
1268 my ($path, $rmp) = @_; 1708 my ($self, $rmp) = @_;
1709
1710 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1269 1711
1270 # mit "rum" bekleckern, nicht 1712 # mit "rum" bekleckern, nicht
1271 cf::map::_create_random_map ( 1713 $self->_create_random_map (
1272 $path,
1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1714 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1715 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1716 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276 $rmp->{exit_on_final_map}, 1717 $rmp->{exit_on_final_map},
1277 $rmp->{xsize}, $rmp->{ysize}, 1718 $rmp->{xsize}, $rmp->{ysize},
… …
1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1723 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283 (cf::region::find $rmp->{region}), $rmp->{custom} 1724 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 ) 1725 )
1285} 1726}
1286 1727
1728=item cf::map->register ($regex, $prio)
1729
1730Register a handler for the map path matching the given regex at the
1731givne priority (higher is better, built-in handlers have priority 0, the
1732default).
1733
1734=cut
1735
1736sub register {
1737 my (undef, $regex, $prio) = @_;
1738 my $pkg = caller;
1739
1740 no strict;
1741 push @{"$pkg\::ISA"}, __PACKAGE__;
1742
1743 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1744}
1745
1746# also paths starting with '/'
1747$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1748
1749sub thawer_merge {
1750 my ($self, $merge) = @_;
1751
1752 # we have to keep some variables in memory intact
1753 local $self->{path};
1754 local $self->{load_path};
1755
1756 $self->SUPER::thawer_merge ($merge);
1757}
1758
1759sub normalise {
1760 my ($path, $base) = @_;
1761
1762 $path = "$path"; # make sure its a string
1763
1764 $path =~ s/\.map$//;
1765
1766 # map plan:
1767 #
1768 # /! non-realised random map exit (special hack!)
1769 # {... are special paths that are not being touched
1770 # ?xxx/... are special absolute paths
1771 # ?random/... random maps
1772 # /... normal maps
1773 # ~user/... per-player map of a specific user
1774
1775 $path =~ s/$PATH_SEP/\//go;
1776
1777 # treat it as relative path if it starts with
1778 # something that looks reasonable
1779 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1780 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1781
1782 $base =~ s{[^/]+/?$}{};
1783 $path = "$base/$path";
1784 }
1785
1786 for ($path) {
1787 redo if s{//}{/};
1788 redo if s{/\.?/}{/};
1789 redo if s{/[^/]+/\.\./}{/};
1790 }
1791
1792 $path
1793}
1794
1795sub new_from_path {
1796 my (undef, $path, $base) = @_;
1797
1798 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1799
1800 $path = normalise $path, $base;
1801
1802 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1803 if ($path =~ $EXT_MAP{$pkg}[1]) {
1804 my $self = bless cf::map::new, $pkg;
1805 $self->{path} = $path; $self->path ($path);
1806 $self->init; # pass $1 etc.
1807 return $self;
1808 }
1809 }
1810
1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1812 ()
1813}
1814
1815sub init {
1816 my ($self) = @_;
1817
1818 $self
1819}
1820
1821sub as_string {
1822 my ($self) = @_;
1823
1824 "$self->{path}"
1825}
1826
1827# the displayed name, this is a one way mapping
1828sub visible_name {
1829 &as_string
1830}
1831
1832# the original (read-only) location
1833sub load_path {
1834 my ($self) = @_;
1835
1836 "$MAPDIR/$self->{path}.map"
1837}
1838
1839# the temporary/swap location
1840sub save_path {
1841 my ($self) = @_;
1842
1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1844 "$TMPDIR/$path.map"
1845}
1846
1847# the unique path, undef == no special unique path
1848sub uniq_path {
1849 my ($self) = @_;
1850
1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1852 "$UNIQUEDIR/$path"
1853}
1854
1287# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1288# all maps in C++... 1856# all maps in C++...
1289sub change_all_map_light { 1857sub change_all_map_light {
1290 my ($change) = @_; 1858 my ($change) = @_;
1291 1859
1292 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1293 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1294} 1862}
1295 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1872sub unlink_save {
1873 my ($self) = @_;
1874
1875 utf8::encode (my $save = $self->save_path);
1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1877 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1878}
1879
1296sub load_map_header($) { 1880sub load_header_from($) {
1297 my ($path) = @_; 1881 my ($self, $path) = @_;
1298 1882
1299 utf8::encode $path; 1883 utf8::encode $path;
1300 aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1301 or return; 1885 or return;
1302 1886
1303 my $map = cf::map::new 1887 $self->_load_header ($f)
1304 or return; 1888 or return;
1305 1889
1306 # for better error messages only, will be overwritten later 1890 local $MAP_LOADING{$self->{path}} = $self;
1307 $map->path ($path); 1891 $f->resolve_delayed_derefs;
1308 1892
1309 $map->load_header ($path) 1893 $self->{load_path} = $path;
1894
1895 1
1896}
1897
1898sub load_header_orig {
1899 my ($self) = @_;
1900
1901 $self->load_header_from ($self->load_path)
1902}
1903
1904sub load_header_temp {
1905 my ($self) = @_;
1906
1907 $self->load_header_from ($self->save_path)
1908}
1909
1910sub prepare_temp {
1911 my ($self) = @_;
1912
1913 $self->last_access ((delete $self->{last_access})
1914 || $cf::RUNTIME); #d#
1915 # safety
1916 $self->{instantiate_time} = $cf::RUNTIME
1917 if $self->{instantiate_time} > $cf::RUNTIME;
1918}
1919
1920sub prepare_orig {
1921 my ($self) = @_;
1922
1923 $self->{load_original} = 1;
1924 $self->{instantiate_time} = $cf::RUNTIME;
1925 $self->last_access ($cf::RUNTIME);
1926 $self->instantiate;
1927}
1928
1929sub load_header {
1930 my ($self) = @_;
1931
1932 if ($self->load_header_temp) {
1933 $self->prepare_temp;
1934 } else {
1935 $self->load_header_orig
1310 or return; 1936 or return;
1937 $self->prepare_orig;
1938 }
1311 1939
1312 $map->{load_path} = $path; 1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1313 1942
1314 $map 1943 $self->default_region (cf::region::find_by_path $self->{path})
1944 unless $self->default_region;
1945
1946 1
1315} 1947}
1316 1948
1317sub find; 1949sub find;
1318sub find { 1950sub find {
1319 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1320 1952
1321 #warn "find<$path,$origin>\n";#d#
1322
1323 $path = new cf::path $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1324 my $key = $path->as_string;
1325 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1326 cf::lock_wait "map_find:$key"; 1956 cf::lock_wait "map_find:$path";
1327 1957
1328 $cf::MAP{$key} || do { 1958 $cf::MAP{$path} || do {
1959 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1329 my $guard = cf::lock_acquire "map_find:$key"; 1960 my $guard2 = cf::lock_acquire "map_find:$path";
1330 1961
1331 # do it the slow way 1962 my $map = new_from_path cf::map $path
1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1335
1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1339 # safety
1340 $map->{instantiate_time} = $cf::RUNTIME
1341 if $map->{instantiate_time} > $cf::RUNTIME;
1342 } else {
1343 $map = $path->load_orig
1344 or return; 1963 or return;
1345 1964
1346 $map->{load_original} = 1;
1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1349 $map->instantiate;
1350
1351 # per-player maps become, after loading, normal maps
1352 $map->per_player (0) if $path->{user_rel};
1353 }
1354
1355 $map->path ($key);
1356 $map->{path} = $path;
1357 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1358 1966
1359 Coro::cede; 1967 $map->load_header
1968 or return;
1360 1969
1361 if ($map->should_reset) { 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1971 # doing this can freeze the server in a sync job, obviously
1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard2;
1974 undef $guard1;
1362 $map->reset; 1975 $map->reset;
1363 undef $guard;
1364 $map = find $path 1976 return find $path;
1365 or return;
1366 } 1977 }
1367 1978
1368 $cf::MAP{$key} = $map 1979 $cf::MAP{$path} = $map
1369 } 1980 }
1370} 1981}
1982
1983sub pre_load { }
1984sub post_load { }
1371 1985
1372sub load { 1986sub load {
1373 my ($self) = @_; 1987 my ($self) = @_;
1374 1988
1989 local $self->{deny_reset} = 1; # loading can take a long time
1990
1375 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1376 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1994 my $guard = cf::lock_acquire "map_data:$path";
1377 1995
1996 return unless $self->valid;
1378 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1379 1998
1380 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1381 2000
1382 $self->alloc; 2001 $self->alloc;
1383 $self->load_objects ($self->{load_path}, 1) 2002
2003 $self->pre_load;
2004 cf::cede_to_tick;
2005
2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1384 or return; 2009 or return;
1385 2010
1386 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->post_load_original
1387 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1388 2013
1389 if (my $uniq = $path->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1390 utf8::encode $uniq; 2015 utf8::encode $uniq;
1391 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1392 $self->clear_unique_items; 2018 $self->clear_unique_items;
1393 $self->load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1394 } 2022 }
1395 } 2023 }
1396 2024
1397 Coro::cede; 2025 $f->resolve_delayed_derefs;
1398 2026
2027 cf::cede_to_tick;
1399 # now do the right thing for maps 2028 # now do the right thing for maps
1400 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1401
1402 if ($self->{path}->is_style_map) {
1403 $self->{deny_save} = 1;
1404 $self->{deny_reset} = 1;
1405 } else {
1406 $self->fix_auto_apply;
1407 $self->decay_objects;
1408 $self->update_buttons;
1409 $self->set_darkness_map;
1410 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1411 unless $self->difficulty; 2031 unless $self->difficulty;
2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1412 $self->activate; 2041 $self->activate;
1413 } 2042 }
1414 2043
1415 Coro::cede; 2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
1416 2046
1417 $self->in_memory (cf::MAP_IN_MEMORY); 2047 $self->in_memory (cf::MAP_ACTIVE);
2048 }
2049
2050 $self->post_load;
2051}
2052
2053sub customise_for {
2054 my ($self, $ob) = @_;
2055
2056 return find "~" . $ob->name . "/" . $self->{path}
2057 if $self->per_player;
2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
2062 $self
1418} 2063}
1419 2064
1420# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1421sub load_diag { 2066sub load_neighbours {
1422 my ($map) = @_; 2067 my ($map) = @_;
1423 2068
1424 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1425 2070
1426 for (0 .. 3) { 2071 for (0 .. 3) {
1427 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1428 or next; 2073 or next;
1429 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1430 or next; 2075 or next;
1431 $neigh->load; 2076 $neigh->load;
1432 2077
2078 push @neigh,
1433 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1434 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1435 } 2081 }
1436 2082
1437 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1438 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1439 or next; 2086 or next;
1440 $neigh->load; 2087 $neigh->load;
1441 } 2088 }
1442} 2089}
1443 2090
… …
1448} 2095}
1449 2096
1450sub do_load_sync { 2097sub do_load_sync {
1451 my ($map) = @_; 2098 my ($map) = @_;
1452 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1453 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1454} 2104}
1455 2105
1456our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
2107our $MAP_PREFETCHER = undef;
2108
2109sub find_async {
2110 my ($path, $origin, $load) = @_;
2111
2112 $path = normalise $path, $origin && $origin->{path};
2113
2114 if (my $map = $cf::MAP{$path}) {
2115 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
2116 }
2117
2118 $MAP_PREFETCH{$path} |= $load;
2119
1457our $MAP_PREFETCHER = Coro::async { 2120 $MAP_PREFETCHER ||= cf::async {
1458 while () { 2121 $Coro::current->{desc} = "map prefetcher";
2122
1459 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1461 or next; 2125 if (my $map = find $k) {
2126 $map->load if $v;
2127 }
2128
1462 my $path = delete $MAP_PREFETCH{$key}; 2129 delete $MAP_PREFETCH{$k};
1463
1464 my $map = find $path
1465 or next;
1466 $map->load;
1467 } 2130 }
1468 Coro::schedule; 2131 }
2132 undef $MAP_PREFETCHER;
1469 } 2133 };
1470};
1471
1472sub find_async {
1473 my ($path, $origin) = @_;
1474
1475 $path = new cf::path $path, $origin && $origin->path;
1476 my $key = $path->as_string;
1477
1478 if (my $map = $cf::MAP{$key}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 }
1481
1482 $MAP_PREFETCH{$key} = $path;
1483 $MAP_PREFETCHER->ready; 2134 $MAP_PREFETCHER->prio (6);
1484 2135
1485 () 2136 ()
1486} 2137}
1487 2138
1488sub save { 2139sub save {
1489 my ($self) = @_; 2140 my ($self) = @_;
1490 2141
1491 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1492 2143
1493 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1494 2145
1495 return unless $self->dirty; 2146 return unless $self->dirty;
1496 2147
1497 my $save = $self->{path}->save_path; utf8::encode $save; 2148 my $save = $self->save_path; utf8::encode $save;
1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 2149 my $uniq = $self->uniq_path; utf8::encode $uniq;
1499 2150
1500 $self->{load_path} = $save; 2151 $self->{load_path} = $save;
1501 2152
1502 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1503 2154
1504 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1505 2156
1506 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1507 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1508 }; 2160 };
1509 2161
2162 cf::get_slot 0.02;
2163
1510 if ($uniq) { 2164 if ($uniq) {
1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2165 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512 $self->save_objects ($uniq, cf::IO_UNIQUES); 2166 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1513 } else { 2167 } else {
1514 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 2168 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515 } 2169 }
1516} 2170}
1517 2171
1518sub swap_out { 2172sub swap_out {
1519 my ($self) = @_; 2173 my ($self) = @_;
1520 2174
1521 # save first because save cedes 2175 # save first because save cedes
1522 $self->save; 2176 $self->save;
1523 2177
1524 my $lock = cf::lock_acquire "map_data:" . $self->path; 2178 my $lock = cf::lock_acquire "map_data:$self->{path}";
1525 2179
1526 return if $self->players; 2180 return if $self->players;
1527 return if $self->in_memory != cf::MAP_IN_MEMORY; 2181 return if $self->in_memory != cf::MAP_ACTIVE;
1528 return if $self->{deny_save}; 2182 return if $self->{deny_save};
1529 2183
2184 $self->in_memory (cf::MAP_SWAPPED);
2185
2186 $self->deactivate;
2187 $_->clear_links_to ($self) for values %cf::MAP;
1530 $self->clear; 2188 $self->clear;
1531 $self->in_memory (cf::MAP_SWAPPED);
1532} 2189}
1533 2190
1534sub reset_at { 2191sub reset_at {
1535 my ($self) = @_; 2192 my ($self) = @_;
1536 2193
1537 # TODO: safety, remove and allow resettable per-player maps 2194 # TODO: safety, remove and allow resettable per-player maps
1538 return 1e99 if $self->{path}{user_rel};
1539 return 1e99 if $self->{deny_reset}; 2195 return 1e99 if $self->{deny_reset};
1540 2196
1541 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2197 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2198 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543 2199
… …
1548 my ($self) = @_; 2204 my ($self) = @_;
1549 2205
1550 $self->reset_at <= $cf::RUNTIME 2206 $self->reset_at <= $cf::RUNTIME
1551} 2207}
1552 2208
1553sub unlink_save {
1554 my ($self) = @_;
1555
1556 utf8::encode (my $save = $self->{path}->save_path);
1557 aioreq_pri 3; IO::AIO::aio_unlink $save;
1558 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559}
1560
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 2209sub reset {
1575 my ($self) = @_; 2210 my ($self) = @_;
1576 2211
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2212 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2213
1579 return if $self->players; 2214 return if $self->players;
1580 return if $self->{path}{user_rel};#d#
1581 2215
1582 warn "resetting map ", $self->path;#d# 2216 warn "resetting map ", $self->path;
2217
2218 $self->in_memory (cf::MAP_SWAPPED);
2219
2220 # need to save uniques path
2221 unless ($self->{deny_save}) {
2222 my $uniq = $self->uniq_path; utf8::encode $uniq;
2223
2224 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2225 if $uniq;
2226 }
1583 2227
1584 delete $cf::MAP{$self->path}; 2228 delete $cf::MAP{$self->path};
1585 2229
2230 $self->deactivate;
1586 $_->clear_links_to ($self) for values %cf::MAP; 2231 $_->clear_links_to ($self) for values %cf::MAP;
2232 $self->clear;
1587 2233
1588 $self->unlink_save; 2234 $self->unlink_save;
1589 $self->destroy; 2235 $self->destroy;
1590} 2236}
1591 2237
1592my $nuke_counter = "aaaa"; 2238my $nuke_counter = "aaaa";
1593 2239
1594sub nuke { 2240sub nuke {
1595 my ($self) = @_; 2241 my ($self) = @_;
1596 2242
2243 {
2244 my $lock = cf::lock_acquire "map_data:$self->{path}";
2245
2246 delete $cf::MAP{$self->path};
2247
2248 $self->unlink_save;
2249
2250 bless $self, "cf::map";
2251 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 2252 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 2253 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 2254 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2255
2256 $cf::MAP{$self->path} = $self;
2257 }
2258
1600 $self->reset; # polite request, might not happen 2259 $self->reset; # polite request, might not happen
1601} 2260}
1602 2261
1603sub customise_for { 2262=item $maps = cf::map::tmp_maps
1604 my ($map, $ob) = @_;
1605 2263
1606 if ($map->per_player) { 2264Returns an arrayref with all map paths of currently instantiated and saved
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 2265maps. May block.
2266
2267=cut
2268
2269sub tmp_maps() {
1608 } 2270 [
2271 map {
2272 utf8::decode $_;
2273 /\.map$/
2274 ? normalise $_
2275 : ()
2276 } @{ aio_readdir $TMPDIR or [] }
2277 ]
2278}
1609 2279
1610 $map 2280=item $maps = cf::map::random_maps
2281
2282Returns an arrayref with all map paths of currently instantiated and saved
2283random maps. May block.
2284
2285=cut
2286
2287sub random_maps() {
2288 [
2289 map {
2290 utf8::decode $_;
2291 /\.map$/
2292 ? normalise "?random/$_"
2293 : ()
2294 } @{ aio_readdir $RANDOMDIR or [] }
2295 ]
1611} 2296}
1612 2297
1613=item cf::map::unique_maps 2298=item cf::map::unique_maps
1614 2299
1615Returns an arrayref of cf::path's of all shared maps that have 2300Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 2301instantiated unique items. May block.
1617 2302
1618=cut 2303=cut
1619 2304
1620sub unique_maps() { 2305sub unique_maps() {
1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2306 [
1622 or return; 2307 map {
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_; 2308 utf8::decode $_;
1628 next if /\.pst$/; 2309 s/\.map$//; # TODO future compatibility hack
1629 next unless /^$PATH_SEP/o; 2310 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1630 2311 ? ()
1631 push @paths, new cf::path $_; 2312 : normalise $_
2313 } @{ aio_readdir $UNIQUEDIR or [] }
1632 } 2314 ]
1633
1634 \@paths
1635} 2315}
1636
1637package cf;
1638 2316
1639=back 2317=back
1640 2318
1641=head3 cf::object 2319=head3 cf::object
1642 2320
… …
1646 2324
1647=over 4 2325=over 4
1648 2326
1649=item $ob->inv_recursive 2327=item $ob->inv_recursive
1650 2328
1651Returns the inventory of the object _and_ their inventories, recursively. 2329Returns the inventory of the object I<and> their inventories, recursively,
2330but I<not> the object itself.
1652 2331
1653=cut 2332=cut
1654 2333
1655sub inv_recursive_; 2334sub inv_recursive_;
1656sub inv_recursive_ { 2335sub inv_recursive_ {
… …
1659 2338
1660sub inv_recursive { 2339sub inv_recursive {
1661 inv_recursive_ inv $_[0] 2340 inv_recursive_ inv $_[0]
1662} 2341}
1663 2342
2343=item $ref = $ob->ref
2344
2345Creates and returns a persistent reference to an object that can be stored as a string.
2346
2347=item $ob = cf::object::deref ($refstring)
2348
2349returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2350even if the object actually exists. May block.
2351
2352=cut
2353
2354sub deref {
2355 my ($ref) = @_;
2356
2357 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2358 my ($uuid, $name) = ($1, $2);
2359 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2360 or return;
2361 $pl->ob->uuid eq $uuid
2362 or return;
2363
2364 $pl->ob
2365 } else {
2366 warn "$ref: cannot resolve object reference\n";
2367 undef
2368 }
2369}
2370
1664package cf; 2371package cf;
1665 2372
1666=back 2373=back
1667 2374
1668=head3 cf::object::player 2375=head3 cf::object::player
… …
1674Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2381Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1675can be C<undef>. Does the right thing when the player is currently in a 2382can be C<undef>. Does the right thing when the player is currently in a
1676dialogue with the given NPC character. 2383dialogue with the given NPC character.
1677 2384
1678=cut 2385=cut
2386
2387our $SAY_CHANNEL = {
2388 id => "say",
2389 title => "Map",
2390 reply => "say ",
2391 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2392};
2393
2394our $CHAT_CHANNEL = {
2395 id => "chat",
2396 title => "Chat",
2397 reply => "chat ",
2398 tooltip => "Player chat and shouts, global to the server.",
2399};
1679 2400
1680# rough implementation of a future "reply" method that works 2401# rough implementation of a future "reply" method that works
1681# with dialog boxes. 2402# with dialog boxes.
1682#TODO: the first argument must go, split into a $npc->reply_to ( method 2403#TODO: the first argument must go, split into a $npc->reply_to ( method
1683sub cf::object::player::reply($$$;$) { 2404sub cf::object::player::reply($$$;$) {
… …
1685 2406
1686 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687 2408
1688 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1689 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1690 } else { 2412 } else {
2413 my $pl = $self->contr;
2414
2415 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2416 my $dialog = $pl->{npc_dialog};
2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418
2419 } else {
1691 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1692 $self->message ($msg, $flags); 2421 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422 }
1693 } 2423 }
2424}
2425
2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2427
2428=cut
2429
2430sub cf::object::send_msg {
2431 my $pl = shift->contr
2432 or return;
2433 $pl->send_msg (@_);
1694} 2434}
1695 2435
1696=item $player_object->may ("access") 2436=item $player_object->may ("access")
1697 2437
1698Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1711 2451
1712=item $player_object->enter_link 2452=item $player_object->enter_link
1713 2453
1714Freezes the player and moves him/her to a special map (C<{link}>). 2454Freezes the player and moves him/her to a special map (C<{link}>).
1715 2455
1716The player should be reaosnably safe there for short amounts of time. You 2456The player should be reasonably safe there for short amounts of time (e.g.
1717I<MUST> call C<leave_link> as soon as possible, though. 2457for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2458though, as the palyer cannot control the character while it is on the link
2459map.
2460
2461Will never block.
1718 2462
1719=item $player_object->leave_link ($map, $x, $y) 2463=item $player_object->leave_link ($map, $x, $y)
1720 2464
1721Moves the player out of the specila link map onto the given map. If the 2465Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 2466map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 2467to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 2468fails, to the emergency map position.
1725 2469
1726Might block. 2470Might block.
1727 2471
1728=cut 2472=cut
2473
2474sub link_map {
2475 unless ($LINK_MAP) {
2476 $LINK_MAP = cf::map::find "{link}"
2477 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
2478 $LINK_MAP->load;
2479 }
2480
2481 $LINK_MAP
2482}
1729 2483
1730sub cf::object::player::enter_link { 2484sub cf::object::player::enter_link {
1731 my ($self) = @_; 2485 my ($self) = @_;
1732 2486
1733 $self->deactivate_recursive; 2487 $self->deactivate_recursive;
1734 2488
1735 return if $self->map == $LINK_MAP; 2489 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 2490
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2491 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 2492 if $self->map && $self->map->{path} ne "{link}";
1739 2493
1740 $self->enter_map ($LINK_MAP, 20, 20); 2494 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1741} 2495}
1742 2496
1743sub cf::object::player::leave_link { 2497sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 2498 my ($self, $map, $x, $y) = @_;
2499
2500 return unless $self->contr->active;
1745 2501
1746 my $link_pos = delete $self->{_link_pos}; 2502 my $link_pos = delete $self->{_link_pos};
1747 2503
1748 unless ($map) { 2504 unless ($map) {
1749 # restore original map position 2505 # restore original map position
… …
1763 # use -1 or undef as default coordinates, not 0, 0 2519 # use -1 or undef as default coordinates, not 0, 0
1764 ($x, $y) = ($map->enter_x, $map->enter_y) 2520 ($x, $y) = ($map->enter_x, $map->enter_y)
1765 if $x <=0 && $y <= 0; 2521 if $x <=0 && $y <= 0;
1766 2522
1767 $map->load; 2523 $map->load;
1768 $map->load_diag; 2524 $map->load_neighbours;
1769 2525
1770 return unless $self->contr->active; 2526 return unless $self->contr->active;
2527 $self->flag (cf::FLAG_DEBUG, 0);#d# temp
1771 $self->activate_recursive; 2528 $self->activate_recursive;
2529
2530 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772 $self->enter_map ($map, $x, $y); 2531 $self->enter_map ($map, $x, $y);
1773} 2532}
1774 2533
1775cf::player->attach ( 2534=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776 on_logout => sub {
1777 my ($pl) = @_;
1778 2535
1779 # abort map switching before logout 2536Moves the player to the given map-path and coordinates by first freezing
1780 if ($pl->ob->{_link_pos}) { 2537her, loading and preparing them map, calling the provided $check callback
1781 cf::sync_job { 2538that has to return the map if sucecssful, and then unfreezes the player on
1782 $pl->ob->leave_link 2539the new (success) or old (failed) map position. In either case, $done will
1783 }; 2540be called at the end of this process.
1784 }
1785 },
1786 on_login => sub {
1787 my ($pl) = @_;
1788 2541
1789 # try to abort aborted map switching on player login :) 2542Note that $check will be called with a potentially non-loaded map, so if
1790 # should happen only on crashes 2543it needs a loaded map it has to call C<< ->load >>.
1791 if ($pl->ob->{_link_pos}) {
1792 $pl->ob->enter_link;
1793 (async {
1794 # we need this sleep as the login has a concurrent enter_exit running
1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1800 Coro::Timer::sleep 1;
1801 $pl->ob->leave_link;
1802 })->prio (2);
1803 }
1804 },
1805);
1806 2544
1807=item $player_object->goto ($path, $x, $y)
1808
1809=cut 2545=cut
2546
2547our $GOTOGEN;
1810 2548
1811sub cf::object::player::goto { 2549sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 2550 my ($self, $path, $x, $y, $check, $done) = @_;
1813 2551
1814 $path = new cf::path $path; 2552 # do generation counting so two concurrent goto's will be executed in-order
2553 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815 2554
1816 $self->enter_link; 2555 $self->enter_link;
1817 2556
1818 (async { 2557 (async {
1819 my $map = cf::map::find $path->as_string; 2558 $Coro::current->{desc} = "player::goto $path $x $y";
2559
2560 # *tag paths override both path and x|y
2561 if ($path =~ /^\*(.*)$/) {
2562 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2563 my $ob = $obs[rand @obs];
2564
2565 # see if we actually can go there
2566 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2567 $ob = $obs[rand @obs];
2568 } else {
2569 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2570 }
2571 # else put us there anyways for now #d#
2572
2573 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2574 } else {
2575 ($path, $x, $y) = (undef, undef, undef);
2576 }
2577 }
2578
2579 my $map = eval {
2580 my $map = defined $path ? cf::map::find $path : undef;
2581
2582 if ($map) {
1820 $map = $map->customise_for ($self) if $map; 2583 $map = $map->customise_for ($self);
1821 2584 $map = $check->($map) if $check && $map;
1822# warn "entering ", $map->path, " at ($x, $y)\n" 2585 } else {
1823# if $map;
1824
1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2586 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2587 }
1826 2588
2589 $map
2590 };
2591
2592 if ($@) {
2593 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2594 LOG llevError | logBacktrace, Carp::longmess $@;
2595 }
2596
2597 if ($gen == $self->{_goto_generation}) {
2598 delete $self->{_goto_generation};
1827 $self->leave_link ($map, $x, $y); 2599 $self->leave_link ($map, $x, $y);
2600 }
2601
2602 $done->() if $done;
1828 })->prio (1); 2603 })->prio (1);
1829} 2604}
1830 2605
1831=item $player_object->enter_exit ($exit_object) 2606=item $player_object->enter_exit ($exit_object)
1832 2607
… …
1834 2609
1835sub parse_random_map_params { 2610sub parse_random_map_params {
1836 my ($spec) = @_; 2611 my ($spec) = @_;
1837 2612
1838 my $rmp = { # defaults 2613 my $rmp = { # defaults
1839 xsize => 10, 2614 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 2615 ysize => (cf::rndm 15, 40),
2616 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2617 #layout => string,
1841 }; 2618 };
1842 2619
1843 for (split /\n/, $spec) { 2620 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 2621 my ($k, $v) = split /\s+/, $_, 2;
1845 2622
… …
1857 # that depends on the exit object 2634 # that depends on the exit object
1858 2635
1859 my $rmp = parse_random_map_params $exit->msg; 2636 my $rmp = parse_random_map_params $exit->msg;
1860 2637
1861 if ($exit->map) { 2638 if ($exit->map) {
1862 $rmp->{region} = $exit->map->region_name; 2639 $rmp->{region} = $exit->region->name;
1863 $rmp->{origin_map} = $exit->map->path; 2640 $rmp->{origin_map} = $exit->map->path;
1864 $rmp->{origin_x} = $exit->x; 2641 $rmp->{origin_x} = $exit->x;
1865 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
2643
2644 $exit->map->touch;
1866 } 2645 }
1867 2646
1868 $rmp->{random_seed} ||= $exit->random_seed; 2647 $rmp->{random_seed} ||= $exit->random_seed;
1869 2648
1870 my $data = cf::to_json $rmp; 2649 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1871 my $md5 = Digest::MD5::md5_hex $data; 2650 my $md5 = Digest::MD5::md5_hex $data;
2651 my $meta = "$RANDOMDIR/$md5.meta";
1872 2652
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2653 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 2654 aio_write $fh, 0, (length $data), $data, 0;
2655 undef $fh;
2656 aio_rename "$meta~", $meta;
1875 2657
2658 my $slaying = "?random/$md5";
2659
2660 if ($exit->valid) {
1876 $exit->slaying ("?random/$md5"); 2661 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 2662 $exit->msg (undef);
2663 }
1878 } 2664 }
1879} 2665}
1880 2666
1881sub cf::object::player::enter_exit { 2667sub cf::object::player::enter_exit {
1882 my ($self, $exit) = @_; 2668 my ($self, $exit) = @_;
… …
1884 return unless $self->type == cf::PLAYER; 2670 return unless $self->type == cf::PLAYER;
1885 2671
1886 $self->enter_link; 2672 $self->enter_link;
1887 2673
1888 (async { 2674 (async {
1889 $self->deactivate_recursive; # just to be sure 2675 $Coro::current->{desc} = "enter_exit";
2676
1890 unless (eval { 2677 unless (eval {
2678 $self->deactivate_recursive; # just to be sure
2679
2680 # random map handling
2681 {
2682 my $guard = cf::lock_acquire "exit_prepare:$exit";
2683
1891 prepare_random_map $exit 2684 prepare_random_map $exit
1892 if $exit->slaying eq "/!"; 2685 if $exit->slaying eq "/!";
2686 }
1893 2687
1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 2688 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 2689 my $x = $exit->stats->hp;
2690 my $y = $exit->stats->sp;
1896 2691
2692 $self->goto ($map, $x, $y);
2693
2694 # if exit is damned, update players death & WoR home-position
2695 $self->contr->savebed ($map, $x, $y)
2696 if $exit->flag (cf::FLAG_DAMNED);
2697
1897 1; 2698 1
1898 }) { 2699 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 2700 $self->message ("Something went wrong deep within the deliantra server. "
1900 . "I'll try to bring you back to the map you were before. " 2701 . "I'll try to bring you back to the map you were before. "
1901 . "Please report this to the dungeon master!", 2702 . "Please report this to the dungeon master!",
1902 cf::NDI_UNIQUE | cf::NDI_RED); 2703 cf::NDI_UNIQUE | cf::NDI_RED);
1903 2704
1904 warn "ERROR in enter_exit: $@"; 2705 warn "ERROR in enter_exit: $@";
1905 $self->leave_link; 2706 $self->leave_link;
1906 } 2707 }
1907 })->prio (1); 2708 })->prio (1);
… …
1920 2721
1921sub cf::client::send_drawinfo { 2722sub cf::client::send_drawinfo {
1922 my ($self, $text, $flags) = @_; 2723 my ($self, $text, $flags) = @_;
1923 2724
1924 utf8::encode $text; 2725 utf8::encode $text;
1925 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2726 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926} 2727}
1927 2728
2729=item $client->send_msg ($channel, $msg, $color, [extra...])
2730
2731Send a drawinfo or msg packet to the client, formatting the msg for the
2732client if neccessary. C<$type> should be a string identifying the type of
2733the message, with C<log> being the default. If C<$color> is negative, suppress
2734the message unless the client supports the msg packet.
2735
2736=cut
2737
2738# non-persistent channels (usually the info channel)
2739our %CHANNEL = (
2740 "c/identify" => {
2741 id => "infobox",
2742 title => "Identify",
2743 reply => undef,
2744 tooltip => "Items recently identified",
2745 },
2746 "c/examine" => {
2747 id => "infobox",
2748 title => "Examine",
2749 reply => undef,
2750 tooltip => "Signs and other items you examined",
2751 },
2752 "c/book" => {
2753 id => "infobox",
2754 title => "Book",
2755 reply => undef,
2756 tooltip => "The contents of a note or book",
2757 },
2758 "c/lookat" => {
2759 id => "infobox",
2760 title => "Look",
2761 reply => undef,
2762 tooltip => "What you saw there",
2763 },
2764 "c/who" => {
2765 id => "infobox",
2766 title => "Players",
2767 reply => undef,
2768 tooltip => "Shows players who are currently online",
2769 },
2770 "c/body" => {
2771 id => "infobox",
2772 title => "Body Parts",
2773 reply => undef,
2774 tooltip => "Shows which body parts you posess and are available",
2775 },
2776 "c/uptime" => {
2777 id => "infobox",
2778 title => "Uptime",
2779 reply => undef,
2780 tooltip => "How long the server has been running since last restart",
2781 },
2782 "c/mapinfo" => {
2783 id => "infobox",
2784 title => "Map Info",
2785 reply => undef,
2786 tooltip => "Information related to the maps",
2787 },
2788 "c/party" => {
2789 id => "party",
2790 title => "Party",
2791 reply => "gsay ",
2792 tooltip => "Messages and chat related to your party",
2793 },
2794);
2795
2796sub cf::client::send_msg {
2797 my ($self, $channel, $msg, $color, @extra) = @_;
2798
2799 $msg = $self->pl->expand_cfpod ($msg)
2800 unless $color & cf::NDI_VERBATIM;
2801
2802 $color &= cf::NDI_CLIENT_MASK; # just in case...
2803
2804 # check predefined channels, for the benefit of C
2805 if ($CHANNEL{$channel}) {
2806 $channel = $CHANNEL{$channel};
2807
2808 $self->ext_msg (channel_info => $channel)
2809 if $self->can_msg;
2810
2811 $channel = $channel->{id};
2812
2813 } elsif (ref $channel) {
2814 # send meta info to client, if not yet sent
2815 unless (exists $self->{channel}{$channel->{id}}) {
2816 $self->{channel}{$channel->{id}} = $channel;
2817 $self->ext_msg (channel_info => $channel)
2818 if $self->can_msg;
2819 }
2820
2821 $channel = $channel->{id};
2822 }
2823
2824 return unless @extra || length $msg;
2825
2826 if ($self->can_msg) {
2827 # default colour, mask it out
2828 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2829 if $color & cf::NDI_DEF;
2830
2831 my $pkt = "msg "
2832 . $self->{json_coder}->encode (
2833 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2834 );
2835
2836 # try lzf for large packets
2837 $pkt = "lzf " . Compress::LZF::compress $pkt
2838 if 1024 <= length $pkt and $self->{can_lzf};
2839
2840 # split very large packets
2841 if (8192 < length $pkt and $self->{can_lzf}) {
2842 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2843 $pkt = "frag";
2844 }
2845
2846 $self->send_packet ($pkt);
2847 } else {
2848 if ($color >= 0) {
2849 # replace some tags by gcfclient-compatible ones
2850 for ($msg) {
2851 1 while
2852 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2853 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2854 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2855 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2856 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2857 }
2858
2859 $color &= cf::NDI_COLOR_MASK;
2860
2861 utf8::encode $msg;
2862
2863 if (0 && $msg =~ /\[/) {
2864 # COMMAND/INFO
2865 $self->send_packet ("drawextinfo $color 10 8 $msg")
2866 } else {
2867 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2868 $self->send_packet ("drawinfo $color $msg")
2869 }
2870 }
2871 }
2872}
2873
2874=item $client->ext_msg ($type, @msg)
2875
2876Sends an ext event to the client.
2877
2878=cut
2879
2880sub cf::client::ext_msg($$@) {
2881 my ($self, $type, @msg) = @_;
2882
2883 if ($self->extcmd == 2) {
2884 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2885 } elsif ($self->extcmd == 1) { # TODO: remove
2886 push @msg, msgtype => "event_$type";
2887 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2888 }
2889}
2890
2891=item $client->ext_reply ($msgid, @msg)
2892
2893Sends an ext reply to the client.
2894
2895=cut
2896
2897sub cf::client::ext_reply($$@) {
2898 my ($self, $id, @msg) = @_;
2899
2900 if ($self->extcmd == 2) {
2901 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2902 } elsif ($self->extcmd == 1) {
2903 #TODO: version 1, remove
2904 unshift @msg, msgtype => "reply", msgid => $id;
2905 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2906 }
2907}
1928 2908
1929=item $success = $client->query ($flags, "text", \&cb) 2909=item $success = $client->query ($flags, "text", \&cb)
1930 2910
1931Queues a query to the client, calling the given callback with 2911Queues a query to the client, calling the given callback with
1932the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2912the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2913C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934 2914
1935Queries can fail, so check the return code. Or don't, as queries will become 2915Queries can fail, so check the return code. Or don't, as queries will
1936reliable at some point in the future. 2916become reliable at some point in the future.
1937 2917
1938=cut 2918=cut
1939 2919
1940sub cf::client::query { 2920sub cf::client::query {
1941 my ($self, $flags, $text, $cb) = @_; 2921 my ($self, $flags, $text, $cb) = @_;
… …
1949 utf8::encode $text; 2929 utf8::encode $text;
1950 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2930 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951 2931
1952 $self->send_packet ($self->{query_queue}[0][0]) 2932 $self->send_packet ($self->{query_queue}[0][0])
1953 if @{ $self->{query_queue} } == 1; 2933 if @{ $self->{query_queue} } == 1;
2934
2935 1
1954} 2936}
1955 2937
1956cf::client->attach ( 2938cf::client->attach (
2939 on_connect => sub {
2940 my ($ns) = @_;
2941
2942 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2943 },
1957 on_reply => sub { 2944 on_reply => sub {
1958 my ($ns, $msg) = @_; 2945 my ($ns, $msg) = @_;
1959 2946
1960 # this weird shuffling is so that direct followup queries 2947 # this weird shuffling is so that direct followup queries
1961 # get handled first 2948 # get handled first
1962 my $queue = delete $ns->{query_queue} 2949 my $queue = delete $ns->{query_queue}
1963 or return; # be conservative, not sure how that can happen, but we saw a crash here 2950 or return; # be conservative, not sure how that can happen, but we saw a crash here
1964 2951
1965 (shift @$queue)->[1]->($msg); 2952 (shift @$queue)->[1]->($msg);
2953 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966 2954
1967 push @{ $ns->{query_queue} }, @$queue; 2955 push @{ $ns->{query_queue} }, @$queue;
1968 2956
1969 if (@{ $ns->{query_queue} } == @$queue) { 2957 if (@{ $ns->{query_queue} } == @$queue) {
1970 if (@$queue) { 2958 if (@$queue) {
… …
1972 } else { 2960 } else {
1973 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2961 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974 } 2962 }
1975 } 2963 }
1976 }, 2964 },
2965 on_exticmd => sub {
2966 my ($ns, $buf) = @_;
2967
2968 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2969
2970 if (ref $msg) {
2971 my ($type, $reply, @payload) =
2972 "ARRAY" eq ref $msg
2973 ? @$msg
2974 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2975
2976 my @reply;
2977
2978 if (my $cb = $EXTICMD{$type}) {
2979 @reply = $cb->($ns, @payload);
2980 }
2981
2982 $ns->ext_reply ($reply, @reply)
2983 if $reply;
2984
2985 } else {
2986 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2987 }
2988
2989 cf::override;
2990 },
1977); 2991);
1978 2992
1979=item $client->async (\&cb) 2993=item $client->async (\&cb)
1980 2994
1981Create a new coroutine, running the specified callback. The coroutine will 2995Create a new coroutine, running the specified callback. The coroutine will
… …
2022our $safe = new Safe "safe"; 3036our $safe = new Safe "safe";
2023our $safe_hole = new Safe::Hole; 3037our $safe_hole = new Safe::Hole;
2024 3038
2025$SIG{FPE} = 'IGNORE'; 3039$SIG{FPE} = 'IGNORE';
2026 3040
2027$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3041$safe->permit_only (Opcode::opset qw(
3042 :base_core :base_mem :base_orig :base_math
3043 grepstart grepwhile mapstart mapwhile
3044 sort time
3045));
2028 3046
2029# here we export the classes and methods available to script code 3047# here we export the classes and methods available to script code
2030 3048
2031=pod 3049=pod
2032 3050
2033The following fucntions and emthods are available within a safe environment: 3051The following functions and methods are available within a safe environment:
2034 3052
2035 cf::object contr pay_amount pay_player map 3053 cf::object
3054 contr pay_amount pay_player map x y force_find force_add destroy
3055 insert remove name archname title slaying race decrease split
3056
2036 cf::object::player player 3057 cf::object::player
2037 cf::player peaceful 3058 player
2038 cf::map trigger 3059
3060 cf::player
3061 peaceful
3062
3063 cf::map
3064 trigger
2039 3065
2040=cut 3066=cut
2041 3067
2042for ( 3068for (
2043 ["cf::object" => qw(contr pay_amount pay_player map)], 3069 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3070 insert remove inv nrof name archname title slaying race
3071 decrease split destroy change_exp)],
2044 ["cf::object::player" => qw(player)], 3072 ["cf::object::player" => qw(player)],
2045 ["cf::player" => qw(peaceful)], 3073 ["cf::player" => qw(peaceful)],
2046 ["cf::map" => qw(trigger)], 3074 ["cf::map" => qw(trigger)],
2047) { 3075) {
2048 no strict 'refs'; 3076 no strict 'refs';
… …
2119=back 3147=back
2120 3148
2121=cut 3149=cut
2122 3150
2123############################################################################# 3151#############################################################################
3152# the server's init and main functions
2124 3153
2125=head2 EXTENSION DATABASE SUPPORT 3154sub load_facedata($) {
3155 my ($path) = @_;
2126 3156
2127Crossfire maintains a very simple database for extension use. It can 3157 # HACK to clear player env face cache, we need some signal framework
2128currently store anything that can be serialised using Storable, which 3158 # for this (global event?)
2129excludes objects. 3159 %ext::player_env::MUSIC_FACE_CACHE = ();
2130 3160
2131The parameter C<$family> should best start with the name of the extension 3161 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132using it, it should be unique.
2133 3162
2134=over 4 3163 warn "loading facedata from $path\n";
2135 3164
2136=item $hashref = cf::db_get $family 3165 my $facedata;
3166 0 < aio_load $path, $facedata
3167 or die "$path: $!";
2137 3168
2138Return a hashref for use by the extension C<$family>, which can be 3169 $facedata = Coro::Storable::thaw $facedata;
2139modified. After modifications, you have to call C<cf::db_dirty> or
2140C<cf::db_sync>.
2141 3170
2142=item $value = cf::db_get $family => $key 3171 $facedata->{version} == 2
3172 or cf::cleanup "$path: version mismatch, cannot proceed.";
2143 3173
2144Returns a single value from the database 3174 # patch in the exptable
2145 3175 $facedata->{resource}{"res/exp_table"} = {
2146=item cf::db_put $family => $hashref 3176 type => FT_RSRC,
2147 3177 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148Stores the given family hashref into the database. Updates are delayed, if
2149you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151=item cf::db_put $family => $key => $value
2152
2153Stores the given C<$value> in the family hash. Updates are delayed, if you
2154want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156=item cf::db_dirty
2157
2158Marks the database as dirty, to be updated at a later time.
2159
2160=item cf::db_sync
2161
2162Immediately write the database to disk I<if it is dirty>.
2163
2164=cut
2165
2166our $DB;
2167
2168{
2169 my $path = cf::localdir . "/database.pst";
2170
2171 sub db_load() {
2172 $DB = stat $path ? Storable::retrieve $path : { };
2173 }
2174
2175 my $pid;
2176
2177 sub db_save() {
2178 waitpid $pid, 0 if $pid;
2179 if (0 == ($pid = fork)) {
2180 $DB->{_meta}{version} = 1;
2181 Storable::nstore $DB, "$path~";
2182 rename "$path~", $path;
2183 cf::_exit 0 if defined $pid;
2184 }
2185 }
2186
2187 my $dirty;
2188
2189 sub db_sync() {
2190 db_save if $dirty;
2191 undef $dirty;
2192 }
2193
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195 db_sync;
2196 }); 3178 };
3179 cf::cede_to_tick;
2197 3180
2198 sub db_dirty() {
2199 $dirty = 1;
2200 $idle->start;
2201 } 3181 {
3182 my $faces = $facedata->{faceinfo};
2202 3183
2203 sub db_get($;$) { 3184 while (my ($face, $info) = each %$faces) {
2204 @_ >= 2 3185 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205 ? $DB->{$_[0]}{$_[1]}
2206 : ($DB->{$_[0]} ||= { })
2207 }
2208 3186
2209 sub db_put($$;$) { 3187 cf::face::set_visibility $idx, $info->{visibility};
2210 if (@_ >= 3) { 3188 cf::face::set_magicmap $idx, $info->{magicmap};
2211 $DB->{$_[0]}{$_[1]} = $_[2]; 3189 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2212 } else { 3190 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2213 $DB->{$_[0]} = $_[1];
2214 }
2215 db_dirty;
2216 }
2217 3191
2218 cf::global->attach ( 3192 cf::cede_to_tick;
2219 prio => 10000,
2220 on_cleanup => sub {
2221 db_sync;
2222 }, 3193 }
2223 );
2224}
2225 3194
2226############################################################################# 3195 while (my ($face, $info) = each %$faces) {
2227# the server's main() 3196 next unless $info->{smooth};
2228 3197
2229sub cfg_load { 3198 my $idx = cf::face::find $face
3199 or next;
3200
3201 if (my $smooth = cf::face::find $info->{smooth}) {
3202 cf::face::set_smooth $idx, $smooth;
3203 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3204 } else {
3205 warn "smooth face '$info->{smooth}' not found for face '$face'";
3206 }
3207
3208 cf::cede_to_tick;
3209 }
3210 }
3211
3212 {
3213 my $anims = $facedata->{animinfo};
3214
3215 while (my ($anim, $info) = each %$anims) {
3216 cf::anim::set $anim, $info->{frames}, $info->{facings};
3217 cf::cede_to_tick;
3218 }
3219
3220 cf::anim::invalidate_all; # d'oh
3221 }
3222
3223 {
3224 # TODO: for gcfclient pleasure, we should give resources
3225 # that gcfclient doesn't grok a >10000 face index.
3226 my $res = $facedata->{resource};
3227
3228 while (my ($name, $info) = each %$res) {
3229 if (defined $info->{type}) {
3230 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3231 my $data;
3232
3233 if ($info->{type} & 1) {
3234 # prepend meta info
3235
3236 my $meta = $enc->encode ({
3237 name => $name,
3238 %{ $info->{meta} || {} },
3239 });
3240
3241 $data = pack "(w/a*)*", $meta, $info->{data};
3242 } else {
3243 $data = $info->{data};
3244 }
3245
3246 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3247 cf::face::set_type $idx, $info->{type};
3248 } else {
3249 $RESOURCE{$name} = $info;
3250 }
3251
3252 cf::cede_to_tick;
3253 }
3254 }
3255
3256 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3257
3258 1
3259}
3260
3261cf::global->attach (on_resource_update => sub {
3262 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3263 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3264
3265 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3266 my $sound = $soundconf->{compat}[$_]
3267 or next;
3268
3269 my $face = cf::face::find "sound/$sound->[1]";
3270 cf::sound::set $sound->[0] => $face;
3271 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3272 }
3273
3274 while (my ($k, $v) = each %{$soundconf->{event}}) {
3275 my $face = cf::face::find "sound/$v";
3276 cf::sound::set $k => $face;
3277 }
3278 }
3279});
3280
3281register_exticmd fx_want => sub {
3282 my ($ns, $want) = @_;
3283
3284 while (my ($k, $v) = each %$want) {
3285 $ns->fx_want ($k, $v);
3286 }
3287};
3288
3289sub load_resource_file($) {
3290 my $guard = lock_acquire "load_resource_file";
3291
3292 my $status = load_resource_file_ $_[0];
3293 get_slot 0.1, 100;
3294 cf::arch::commit_load;
3295
3296 $status
3297}
3298
3299sub reload_regions {
3300 # HACK to clear player env face cache, we need some signal framework
3301 # for this (global event?)
3302 %ext::player_env::MUSIC_FACE_CACHE = ();
3303
3304 load_resource_file "$MAPDIR/regions"
3305 or die "unable to load regions file\n";
3306
3307 for (cf::region::list) {
3308 $_->{match} = qr/$_->{match}/
3309 if exists $_->{match};
3310 }
3311}
3312
3313sub reload_facedata {
3314 load_facedata "$DATADIR/facedata"
3315 or die "unable to load facedata\n";
3316}
3317
3318sub reload_archetypes {
3319 load_resource_file "$DATADIR/archetypes"
3320 or die "unable to load archetypes\n";
3321}
3322
3323sub reload_treasures {
3324 load_resource_file "$DATADIR/treasures"
3325 or die "unable to load treasurelists\n";
3326}
3327
3328sub reload_resources {
3329 warn "reloading resource files...\n";
3330
3331 reload_facedata;
3332 reload_archetypes;
3333 reload_regions;
3334 reload_treasures;
3335
3336 warn "finished reloading resource files\n";
3337}
3338
3339sub init {
3340 my $guard = freeze_mainloop;
3341
3342 evthread_start IO::AIO::poll_fileno;
3343
3344 reload_resources;
3345}
3346
3347sub reload_config {
2230 open my $fh, "<:utf8", cf::confdir . "/config" 3348 open my $fh, "<:utf8", "$CONFDIR/config"
2231 or return; 3349 or return;
2232 3350
2233 local $/; 3351 local $/;
2234 *CFG = YAML::Syck::Load <$fh>; 3352 *CFG = YAML::Load <$fh>;
2235 3353
2236 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3354 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237 3355
2238 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3356 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3357 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2245 }; 3363 };
2246 warn $@ if $@; 3364 warn $@ if $@;
2247 } 3365 }
2248} 3366}
2249 3367
3368sub pidfile() {
3369 sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
3370 or die "$PIDFILE: $!";
3371 flock $fh, &Fcntl::LOCK_EX
3372 or die "$PIDFILE: flock: $!";
3373 $fh
3374}
3375
3376# make sure only one server instance is running at any one time
3377sub atomic {
3378 my $fh = pidfile;
3379
3380 my $pid = <$fh>;
3381 kill 9, $pid if $pid > 0;
3382
3383 seek $fh, 0, 0;
3384 print $fh $$;
3385}
3386
2250sub main { 3387sub main {
3388 atomic;
3389
2251 # we must not ever block the main coroutine 3390 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 3391 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3392 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254 async { Event::one_event }; 3393 (async {
3394 $Coro::current->{desc} = "IDLE BUG HANDLER";
3395 EV::loop EV::LOOP_ONESHOT;
3396 })->prio (Coro::PRIO_MAX);
2255 }; 3397 };
2256 3398
2257 cfg_load; 3399 {
2258 db_load; 3400 my $guard = freeze_mainloop;
3401 reload_config;
3402 db_init;
2259 load_extensions; 3403 load_extensions;
3404
3405 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3406 }
3407
3408 utime time, time, $RUNTIMEFILE;
3409
3410 # no (long-running) fork's whatsoever before this point(!)
3411 POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3412
2260 Event::loop; 3413 EV::loop;
2261} 3414}
2262 3415
2263############################################################################# 3416#############################################################################
2264# initialisation and cleanup 3417# initialisation and cleanup
2265 3418
2266# install some emergency cleanup handlers 3419# install some emergency cleanup handlers
2267BEGIN { 3420BEGIN {
3421 our %SIGWATCHER = ();
2268 for my $signal (qw(INT HUP TERM)) { 3422 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 3423 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2270 data => WF_AUTOCANCEL,
2271 signal => $signal,
2272 cb => sub {
2273 cf::cleanup "SIG$signal"; 3424 cf::cleanup "SIG$signal";
2274 },
2275 ); 3425 };
3426 }
3427}
3428
3429sub write_runtime_sync {
3430 # first touch the runtime file to show we are still running:
3431 # the fsync below can take a very very long time.
3432
3433 IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434
3435 my $guard = cf::lock_acquire "write_runtime";
3436
3437 my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
3438 or return;
3439
3440 my $value = $cf::RUNTIME + 90 + 10;
3441 # 10 is the runtime save interval, for a monotonic clock
3442 # 60 allows for the watchdog to kill the server.
3443
3444 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3445 and return;
3446
3447 # always fsync - this file is important
3448 aio_fsync $fh
3449 and return;
3450
3451 # touch it again to show we are up-to-date
3452 aio_utime $fh, undef, undef;
3453
3454 close $fh
3455 or return;
3456
3457 aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458 and return;
3459
3460 warn "runtime file written.\n";
3461
2276 } 3462 1
3463}
3464
3465our $uuid_lock;
3466our $uuid_skip;
3467
3468sub write_uuid_sync($) {
3469 $uuid_skip ||= $_[0];
3470
3471 return if $uuid_lock;
3472 local $uuid_lock = 1;
3473
3474 my $uuid = "$LOCALDIR/uuid";
3475
3476 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477 or return;
3478
3479 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3480 $uuid_skip = 0;
3481
3482 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3483 and return;
3484
3485 # always fsync - this file is important
3486 aio_fsync $fh
3487 and return;
3488
3489 close $fh
3490 or return;
3491
3492 aio_rename "$uuid~", $uuid
3493 and return;
3494
3495 warn "uuid file written ($value).\n";
3496
3497 1
3498
3499}
3500
3501sub write_uuid($$) {
3502 my ($skip, $sync) = @_;
3503
3504 $sync ? write_uuid_sync $skip
3505 : async { write_uuid_sync $skip };
2277} 3506}
2278 3507
2279sub emergency_save() { 3508sub emergency_save() {
2280 my $freeze_guard = cf::freeze_mainloop; 3509 my $freeze_guard = cf::freeze_mainloop;
2281 3510
2282 warn "enter emergency perl save\n"; 3511 warn "enter emergency perl save\n";
2283 3512
2284 cf::sync_job { 3513 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 3514 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 3515 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 3516 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 3517 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 3518 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 3519 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 3520 $pl->valid or next;
3521 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292 $pl->save; 3522 $pl->save;
2293 } 3523 }
2294 warn "end emergency player save\n"; 3524 warn "end emergency player save\n";
2295 3525
2296 warn "begin emergency map save\n"; 3526 warn "begin emergency map save\n";
… …
2298 my $map = $cf::MAP{$path} or next; 3528 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next; 3529 $map->valid or next;
2300 $map->save; 3530 $map->save;
2301 } 3531 }
2302 warn "end emergency map save\n"; 3532 warn "end emergency map save\n";
3533
3534 warn "begin emergency database checkpoint\n";
3535 BDB::db_env_txn_checkpoint $DB_ENV;
3536 warn "end emergency database checkpoint\n";
3537
3538 warn "begin write uuid\n";
3539 write_uuid_sync 1;
3540 warn "end write uuid\n";
2303 }; 3541 };
2304 3542
2305 warn "leave emergency perl save\n"; 3543 warn "leave emergency perl save\n";
2306} 3544}
2307 3545
3546sub post_cleanup {
3547 my ($make_core) = @_;
3548
3549 warn Carp::longmess "post_cleanup backtrace"
3550 if $make_core;
3551
3552 my $fh = pidfile;
3553 unlink $PIDFILE if <$fh> == $$;
3554}
3555
3556# a safer delete_package, copied from Symbol
3557sub clear_package($) {
3558 my $pkg = shift;
3559
3560 # expand to full symbol table name if needed
3561 unless ($pkg =~ /^main::.*::$/) {
3562 $pkg = "main$pkg" if $pkg =~ /^::/;
3563 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3564 $pkg .= '::' unless $pkg =~ /::$/;
3565 }
3566
3567 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3568 my $stem_symtab = *{$stem}{HASH};
3569
3570 defined $stem_symtab and exists $stem_symtab->{$leaf}
3571 or return;
3572
3573 # clear all symbols
3574 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3575 for my $name (keys %$leaf_symtab) {
3576 _gv_clear *{"$pkg$name"};
3577# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3578 }
3579 warn "cleared package #$pkg\n";#d#
3580}
3581
3582our $RELOAD; # how many times to reload
3583
2308sub reload() { 3584sub do_reload_perl() {
2309 # can/must only be called in main 3585 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 3586 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 3587 warn "can only reload from main coroutine";
2312 return; 3588 return;
2313 } 3589 }
2314 3590
3591 return if $RELOAD++;
3592
3593 while ($RELOAD) {
2315 warn "reloading..."; 3594 warn "reloading...";
2316 3595
2317 warn "freezing server"; 3596 warn "entering sync_job";
2318 my $guard = freeze_mainloop; 3597
3598 cf::sync_job {
3599 cf::write_runtime_sync; # external watchdog should not bark
2319 cf::emergency_save; 3600 cf::emergency_save;
3601 cf::write_runtime_sync; # external watchdog should not bark
2320 3602
2321 warn "sync database to disk"; 3603 warn "syncing database to disk";
2322 cf::db_sync; 3604 BDB::db_env_txn_checkpoint $DB_ENV;
2323 IO::AIO::flush;
2324 3605
2325 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 3606 # if anything goes wrong in here, we should simply crash as we already saved
2327 3607
2328 warn "cancel all watchers"; 3608 warn "flushing outstanding aio requests";
2329 for (Event::all_watchers) { 3609 while (IO::AIO::nreqs || BDB::nreqs) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 3610 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2331 }
2332
2333 warn "cancel all extension coros";
2334 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = ();
2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2343 warn "unload/nuke all extensions";
2344 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg";
2346
2347 if (my $cb = $pkg->can ("unload")) {
2348 eval {
2349 $cb->($pkg);
2350 1
2351 } or warn "$pkg unloaded, but with errors: $@";
2352 } 3611 }
2353 3612
3613 warn "cancelling all extension coros";
3614 $_->cancel for values %EXT_CORO;
3615 %EXT_CORO = ();
3616
3617 warn "removing commands";
3618 %COMMAND = ();
3619
3620 warn "removing ext/exti commands";
3621 %EXTCMD = ();
3622 %EXTICMD = ();
3623
3624 warn "unloading/nuking all extensions";
3625 for my $pkg (@EXTS) {
2354 warn "... nuking $pkg"; 3626 warn "... unloading $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357 3627
2358 warn "unload all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361
2362 warn "removing <$k>";
2363 delete $INC{$k};
2364
2365 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g;
2367
2368 if (my $cb = $k->can ("unload_module")) { 3628 if (my $cb = $pkg->can ("unload")) {
3629 eval {
2369 $cb->(); 3630 $cb->($pkg);
3631 1
3632 } or warn "$pkg unloaded, but with errors: $@";
3633 }
3634
3635 warn "... clearing $pkg";
3636 clear_package $pkg;
2370 } 3637 }
2371 3638
2372 Symbol::delete_package $k; 3639 warn "unloading all perl modules loaded from $LIBDIR";
3640 while (my ($k, $v) = each %INC) {
3641 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3642
3643 warn "... unloading $k";
3644 delete $INC{$k};
3645
3646 $k =~ s/\.pm$//;
3647 $k =~ s/\//::/g;
3648
3649 if (my $cb = $k->can ("unload_module")) {
3650 $cb->();
3651 }
3652
3653 clear_package $k;
2373 } 3654 }
2374 3655
2375 warn "get rid of safe::, as good as possible"; 3656 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 3657 clear_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3658 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 3659
2379 warn "unload cf.pm \"a bit\""; 3660 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 3661 delete $INC{"cf.pm"};
3662 delete $INC{"cf/pod.pm"};
2381 3663
2382 # don't, removes xs symbols, too, 3664 # don't, removes xs symbols, too,
2383 # and global variables created in xs 3665 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 3666 #clear_package __PACKAGE__;
2385 3667
3668 warn "unload completed, starting to reload now";
3669
2386 warn "reloading cf.pm"; 3670 warn "reloading cf.pm";
2387 require cf; 3671 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3672 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 3673
2390 warn "load config and database again"; 3674 warn "loading config and database again";
2391 cf::cfg_load; 3675 cf::reload_config;
2392 cf::db_load;
2393 3676
2394 warn "load extensions"; 3677 warn "loading extensions";
2395 cf::load_extensions; 3678 cf::load_extensions;
2396 3679
2397 warn "reattach attachments to objects/players"; 3680 warn "reattaching attachments to objects/players";
2398 _global_reattach; 3681 _global_reattach; # objects, sockets
2399 warn "reattach attachments to maps"; 3682 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 3683 reattach $_ for values %MAP;
3684 warn "reattaching attachments to players";
3685 reattach $_ for values %PLAYER;
3686
3687 warn "leaving sync_job";
3688
3689 1
3690 } or do {
3691 warn $@;
3692 cf::cleanup "error while reloading, exiting.";
3693 };
3694
3695 warn "reloaded";
3696 --$RELOAD;
3697 }
3698};
3699
3700our $RELOAD_WATCHER; # used only during reload
3701
3702sub reload_perl() {
3703 # doing reload synchronously and two reloads happen back-to-back,
3704 # coro crashes during coro_state_free->destroy here.
3705
3706 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3707 do_reload_perl;
3708 undef $RELOAD_WATCHER;
2401 }; 3709 };
2402
2403 if ($@) {
2404 warn $@;
2405 warn "error while reloading, exiting.";
2406 exit 1;
2407 }
2408
2409 warn "reloaded";
2410};
2411
2412#############################################################################
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453} 3710}
2454 3711
2455register_command "reload" => sub { 3712register_command "reload" => sub {
2456 my ($who, $arg) = @_; 3713 my ($who, $arg) = @_;
2457 3714
2458 if ($who->flag (FLAG_WIZ)) { 3715 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload.");
2460 reload;
2461 $who->message ("end of reload."); 3716 $who->message ("reloading server.");
3717 async {
3718 $Coro::current->{desc} = "perl_reload";
3719 reload_perl;
3720 };
2462 } 3721 }
2463}; 3722};
2464 3723
2465unshift @INC, $LIBDIR; 3724unshift @INC, $LIBDIR;
2466 3725
2467$TICK_WATCHER = Event->timer ( 3726my $bug_warning = 0;
2468 reentrant => 0,
2469 prio => 0,
2470 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL,
2472 cb => sub {
2473 $NOW = Event::time;
2474 3727
3728our @WAIT_FOR_TICK;
3729our @WAIT_FOR_TICK_BEGIN;
3730
3731sub wait_for_tick {
3732 return if tick_inhibit || $Coro::current == $Coro::main;
3733
3734 my $signal = new Coro::Signal;
3735 push @WAIT_FOR_TICK, $signal;
3736 $signal->wait;
3737}
3738
3739sub wait_for_tick_begin {
3740 return if tick_inhibit || $Coro::current == $Coro::main;
3741
3742 my $signal = new Coro::Signal;
3743 push @WAIT_FOR_TICK_BEGIN, $signal;
3744 $signal->wait;
3745}
3746
3747sub tick {
3748 if ($Coro::current != $Coro::main) {
3749 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3750 unless ++$bug_warning > 10;
3751 return;
3752 }
3753
2475 cf::server_tick; # one server iteration 3754 cf::server_tick; # one server iteration
2476 $RUNTIME += $TICK;
2477 $NEXT_TICK += $TICK;
2478 3755
2479 $WAIT_FOR_TICK->broadcast; 3756 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3757 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2481 3758 Coro::async_pool {
2482 # if we are delayed by four ticks or more, skip them all 3759 $Coro::current->{desc} = "runtime saver";
2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485 $TICK_WATCHER->at ($NEXT_TICK);
2486 $TICK_WATCHER->start;
2487 },
2488);
2489
2490IO::AIO::max_poll_time $TICK * 0.2;
2491
2492Event->io (
2493 fd => IO::AIO::poll_fileno,
2494 poll => 'r',
2495 prio => 5,
2496 data => WF_AUTOCANCEL,
2497 cb => \&IO::AIO::poll_cb,
2498);
2499
2500Event->timer (
2501 data => WF_AUTOCANCEL,
2502 after => 0,
2503 interval => 10,
2504 cb => sub {
2505 (Coro::unblock_sub {
2506 write_runtime 3760 write_runtime_sync
2507 or warn "ERROR: unable to write runtime file: $!"; 3761 or warn "ERROR: unable to write runtime file: $!";
2508 })->(); 3762 };
2509 }, 3763 }
2510); 3764
3765 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3766 $sig->send;
3767 }
3768 while (my $sig = shift @WAIT_FOR_TICK) {
3769 $sig->send;
3770 }
3771
3772 $LOAD = ($NOW - $TICK_START) / $TICK;
3773 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3774
3775 if (0) {
3776 if ($NEXT_TICK) {
3777 my $jitter = $TICK_START - $NEXT_TICK;
3778 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3779 warn "jitter $JITTER\n";#d#
3780 }
3781 }
3782}
3783
3784{
3785 # configure BDB
3786
3787 BDB::min_parallel 8;
3788 BDB::max_poll_reqs $TICK * 0.1;
3789 $AnyEvent::BDB::WATCHER->priority (1);
3790
3791 unless ($DB_ENV) {
3792 $DB_ENV = BDB::db_env_create;
3793 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3794 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3795 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3796 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798
3799 cf::sync_job {
3800 eval {
3801 BDB::db_env_open
3802 $DB_ENV,
3803 $BDBDIR,
3804 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3805 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3806 0666;
3807
3808 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3809 };
3810
3811 cf::cleanup "db_env_open(db): $@" if $@;
3812 };
3813 }
3814
3815 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3816 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3817 };
3818 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3819 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820 };
3821 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823 };
3824}
3825
3826{
3827 # configure IO::AIO
3828
3829 IO::AIO::min_parallel 8;
3830 IO::AIO::max_poll_time $TICK * 0.1;
3831 undef $AnyEvent::AIO::WATCHER;
3832}
3833
3834my $_log_backtrace;
3835
3836sub _log_backtrace {
3837 my ($msg, @addr) = @_;
3838
3839 $msg =~ s/\n//;
3840
3841 # limit the # of concurrent backtraces
3842 if ($_log_backtrace < 2) {
3843 ++$_log_backtrace;
3844 my $perl_bt = Carp::longmess $msg;
3845 async {
3846 $Coro::current->{desc} = "abt $msg";
3847
3848 my @bt = fork_call {
3849 @addr = map { sprintf "%x", $_ } @addr;
3850 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3851 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3852 or die "addr2line: $!";
3853
3854 my @funcs;
3855 my @res = <$fh>;
3856 chomp for @res;
3857 while (@res) {
3858 my ($func, $line) = splice @res, 0, 2, ();
3859 push @funcs, "[$func] $line";
3860 }
3861
3862 @funcs
3863 };
3864
3865 LOG llevInfo, "[ABT] $perl_bt\n";
3866 LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3867 LOG llevInfo, "[ABT] $_\n" for @bt;
3868 --$_log_backtrace;
3869 };
3870 } else {
3871 LOG llevInfo, "[ABT] $msg\n";
3872 LOG llevInfo, "[ABT] [suppressed]\n";
3873 }
3874}
3875
3876# load additional modules
3877use cf::pod;
2511 3878
2512END { cf::emergency_save } 3879END { cf::emergency_save }
2513 3880
25141 38811
2515 3882

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines