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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use EV 1.86;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.5 (); 15use Coro 4.32 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::EV;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
24use Coro::Storable;
25use Coro::Util ();
19 26
27use JSON::XS 2.01 ();
20use BDB (); 28use BDB ();
21use Data::Dumper; 29use Data::Dumper;
22use Digest::MD5; 30use Digest::MD5;
23use Fcntl; 31use Fcntl;
32use YAML ();
24use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
25use YAML::Syck ();
26use Time::HiRes; 34use Time::HiRes;
27use Compress::LZF; 35use Compress::LZF;
36use Digest::MD5 ();
28 37
38# configure various modules to our taste
39#
40$Storable::canonical = 1; # reduce rsync transfers
41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 43
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 45
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1;
37
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 47
40our %COMMAND = (); 48our %COMMAND = ();
41our %COMMAND_TIME = (); 49our %COMMAND_TIME = ();
42 50
43our @EXTS = (); # list of extension package names 51our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 52our %EXTCMD = ();
53our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 54our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 55our %EXT_MAP = (); # pluggable maps
47 56
57our $RELOAD; # number of reloads so far
48our @EVENT; 58our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 59
51our $TICK = MAX_TIME * 1e-6; 60our $CONFDIR = confdir;
61our $DATADIR = datadir;
62our $LIBDIR = "$DATADIR/ext";
63our $PODDIR = "$DATADIR/pod";
64our $MAPDIR = "$DATADIR/" . mapdir;
65our $LOCALDIR = localdir;
66our $TMPDIR = "$LOCALDIR/" . tmpdir;
67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69our $RANDOMDIR = "$LOCALDIR/random";
70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
72
73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 74our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 75our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 77our $NEXT_TICK;
56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
58 79
59our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
81our $BDB_DEADLOCK_WATCHER;
82our $BDB_CHECKPOINT_WATCHER;
83our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 84our $DB_ENV;
61 85
62our %CFG; 86our %CFG;
63 87
64our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 89our $RUNTIME;
90our $NOW;
66 91
67our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 95
76# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
79binmode STDOUT; 103binmode STDOUT;
80binmode STDERR; 104binmode STDERR;
81 105
82# read virtual server time, if available 106# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
87} 111}
88 112
89mkdir cf::localdir; 113mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 115
96our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
97 117
98sub cf::map::normalise; 118sub cf::map::normalise;
99 119
110=item $cf::RUNTIME 130=item $cf::RUNTIME
111 131
112The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 133every server tick.
114 134
115=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 138
117The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
119 143
120=item $cf::NOW 144=item $cf::NOW
121 145
122The time of the last (current) server tick. 146The time of the last (current) server tick.
123 147
124=item $cf::TICK 148=item $cf::TICK
125 149
126The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
127 151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
161
128=item %cf::CFG 162=item %cf::CFG
129 163
130Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 165from wherever your confdir points to.
132 166
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
134 168
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
139 178
140=back 179=back
141 180
142=cut 181=cut
143 182
144BEGIN { 183BEGIN {
145 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 185 my $msg = join "", @_;
147 utf8::encode $msg;
148 186
149 $msg .= "\n" 187 $msg .= "\n"
150 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
151 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
152 LOG llevError, $msg; 192 LOG llevError, $msg;
153 }; 193 };
154} 194}
195
196$Coro::State::DIEHOOK = sub {
197 warn Carp::longmess $_[0];
198 Coro::terminate;
199};
155 200
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 201@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 202@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 203@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 204@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 205@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
206@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 207@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 208
163# we bless all objects into (empty) derived classes to force a method lookup 209# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 210# within the Safe compartment.
165for my $pkg (qw( 211for my $pkg (qw(
166 cf::global cf::attachable 212 cf::global cf::attachable
171)) { 217)) {
172 no strict 'refs'; 218 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 219 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 220}
175 221
176$Event::DIED = sub { 222$EV::DIED = sub {
177 warn "error in event callback: @_"; 223 warn "error in event callback: @_";
178}; 224};
225
226#############################################################################
179 227
180=head2 UTILITY FUNCTIONS 228=head2 UTILITY FUNCTIONS
181 229
182=over 4 230=over 4
183 231
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 250 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 251 $d
204 } || "[unable to dump $_[0]: '$@']"; 252 } || "[unable to dump $_[0]: '$@']";
205} 253}
206 254
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 255=item $ref = cf::decode_json $json
210 256
211Converts a JSON string into the corresponding perl data structure. 257Converts a JSON string into the corresponding perl data structure.
212 258
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 259=item $json = cf::encode_json $ref
221 260
222Converts a perl data structure into its JSON representation. 261Converts a perl data structure into its JSON representation.
223 262
224=cut 263=cut
225 264
226sub to_json($) { 265our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 266
228 JSON::Syck::Dump $_[0] 267sub encode_json($) { $json_coder->encode ($_[0]) }
229} 268sub decode_json($) { $json_coder->decode ($_[0]) }
230 269
231=item cf::lock_wait $string 270=item cf::lock_wait $string
232 271
233Wait until the given lock is available. See cf::lock_acquire. 272Wait until the given lock is available. See cf::lock_acquire.
234 273
237Wait until the given lock is available and then acquires it and returns 276Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 277a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 278for example when the coroutine gets canceled), the lock is automatically
240returned. 279returned.
241 280
281Locks are *not* recursive, locking from the same coro twice results in a
282deadlocked coro.
283
242Lock names should begin with a unique identifier (for example, cf::map::find 284Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 285uses map_find and cf::map::load uses map_load).
244 286
287=item $locked = cf::lock_active $string
288
289Return true if the lock is currently active, i.e. somebody has locked it.
290
245=cut 291=cut
246 292
247our %LOCK; 293our %LOCK;
294our %LOCKER;#d#
248 295
249sub lock_wait($) { 296sub lock_wait($) {
250 my ($key) = @_; 297 my ($key) = @_;
298
299 if ($LOCKER{$key} == $Coro::current) {#d#
300 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
301 return;#d#
302 }#d#
251 303
252 # wait for lock, if any 304 # wait for lock, if any
253 while ($LOCK{$key}) { 305 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 306 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 307 Coro::schedule;
261 313
262 # wait, to be sure we are not locked 314 # wait, to be sure we are not locked
263 lock_wait $key; 315 lock_wait $key;
264 316
265 $LOCK{$key} = []; 317 $LOCK{$key} = [];
318 $LOCKER{$key} = $Coro::current;#d#
266 319
267 Coro::guard { 320 Coro::guard {
321 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 322 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 323 $_->ready for @{ delete $LOCK{$key} };
270 } 324 }
271} 325}
272 326
327sub lock_active($) {
328 my ($key) = @_;
329
330 ! ! $LOCK{$key}
331}
332
273sub freeze_mainloop { 333sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 334 return unless $TICK_WATCHER->is_active;
275 335
276 my $guard = Coro::guard { 336 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 337 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 338 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 339 $TICK_WATCHER->stop;
282 $guard 340 $guard
341}
342
343=item cf::periodic $interval, $cb
344
345Like EV::periodic, but randomly selects a starting point so that the actions
346get spread over timer.
347
348=cut
349
350sub periodic($$) {
351 my ($interval, $cb) = @_;
352
353 my $start = rand List::Util::min 180, $interval;
354
355 EV::periodic $start, $interval, 0, $cb
356}
357
358=item cf::get_slot $time[, $priority[, $name]]
359
360Allocate $time seconds of blocking CPU time at priority C<$priority>:
361This call blocks and returns only when you have at least C<$time> seconds
362of cpu time till the next tick. The slot is only valid till the next cede.
363
364The optional C<$name> can be used to identify the job to run. It might be
365used for statistical purposes and should identify the same time-class.
366
367Useful for short background jobs.
368
369=cut
370
371our @SLOT_QUEUE;
372our $SLOT_QUEUE;
373
374$SLOT_QUEUE->cancel if $SLOT_QUEUE;
375$SLOT_QUEUE = Coro::async {
376 $Coro::current->desc ("timeslot manager");
377
378 my $signal = new Coro::Signal;
379
380 while () {
381 next_job:
382 my $avail = cf::till_tick;
383 if ($avail > 0.01) {
384 for (0 .. $#SLOT_QUEUE) {
385 if ($SLOT_QUEUE[$_][0] < $avail) {
386 my $job = splice @SLOT_QUEUE, $_, 1, ();
387 $job->[2]->send;
388 Coro::cede;
389 goto next_job;
390 }
391 }
392 }
393
394 if (@SLOT_QUEUE) {
395 # we do not use wait_for_tick() as it returns immediately when tick is inactive
396 push @cf::WAIT_FOR_TICK, $signal;
397 $signal->wait;
398 } else {
399 Coro::schedule;
400 }
401 }
402};
403
404sub get_slot($;$$) {
405 my ($time, $pri, $name) = @_;
406
407 $time = $TICK * .6 if $time > $TICK * .6;
408 my $sig = new Coro::Signal;
409
410 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
411 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
412 $SLOT_QUEUE->ready;
413 $sig->wait;
283} 414}
284 415
285=item cf::async { BLOCK } 416=item cf::async { BLOCK }
286 417
287Currently the same as Coro::async_pool, meaning you cannot use 418Currently the same as Coro::async_pool, meaning you cannot use
292 423
293BEGIN { *async = \&Coro::async_pool } 424BEGIN { *async = \&Coro::async_pool }
294 425
295=item cf::sync_job { BLOCK } 426=item cf::sync_job { BLOCK }
296 427
297The design of crossfire+ requires that the main coro ($Coro::main) is 428The design of Deliantra requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 429is always able to handle events or runnable, as Deliantra is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 430partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
431acceptable.
300 432
301If it must be done, put the blocking parts into C<sync_job>. This will run 433If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 434the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 435server will be frozen during this time, so the block should either finish
304fast or be very important. 436fast or be very important.
307 439
308sub sync_job(&) { 440sub sync_job(&) {
309 my ($job) = @_; 441 my ($job) = @_;
310 442
311 if ($Coro::current == $Coro::main) { 443 if ($Coro::current == $Coro::main) {
444 my $time = EV::time;
445
312 # this is the main coro, too bad, we have to block 446 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 447 # till the operation succeeds, freezing the server :/
314 448
449 LOG llevError, Carp::longmess "sync job";#d#
450
315 # TODO: use suspend/resume instead 451 # TODO: use suspend/resume instead
316 # (but this is cancel-safe) 452 # (but this is cancel-safe)
317 my $freeze_guard = freeze_mainloop; 453 my $freeze_guard = freeze_mainloop;
318 454
319 my $busy = 1; 455 my $busy = 1;
320 my @res; 456 my @res;
321 457
322 (async { 458 (async {
459 $Coro::current->desc ("sync job coro");
323 @res = eval { $job->() }; 460 @res = eval { $job->() };
324 warn $@ if $@; 461 warn $@ if $@;
325 undef $busy; 462 undef $busy;
326 })->prio (Coro::PRIO_MAX); 463 })->prio (Coro::PRIO_MAX);
327 464
328 while ($busy) { 465 while ($busy) {
329 Coro::cede or Event::one_event; 466 if (Coro::nready) {
467 Coro::cede_notself;
468 } else {
469 EV::loop EV::LOOP_ONESHOT;
330 } 470 }
471 }
472
473 $time = EV::time - $time;
474
475 LOG llevError | logBacktrace, Carp::longmess "long sync job"
476 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
477
478 $tick_start += $time; # do not account sync jobs to server load
331 479
332 wantarray ? @res : $res[0] 480 wantarray ? @res : $res[0]
333 } else { 481 } else {
334 # we are in another coroutine, how wonderful, everything just works 482 # we are in another coroutine, how wonderful, everything just works
335 483
355 $EXT_CORO{$coro+0} = $coro; 503 $EXT_CORO{$coro+0} = $coro;
356 504
357 $coro 505 $coro
358} 506}
359 507
360sub write_runtime { 508=item fork_call { }, $args
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
362 509
363 my $runtime = cf::localdir . "/runtime"; 510Executes the given code block with the given arguments in a seperate
511process, returning the results. Everything must be serialisable with
512Coro::Storable. May, of course, block. Note that the executed sub may
513never block itself or use any form of event handling.
364 514
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 515=cut
366 or return;
367 516
368 my $value = $cf::RUNTIME + 90 + 10; 517sub fork_call(&@) {
369 # 10 is the runtime save interval, for a monotonic clock 518 my ($cb, @args) = @_;
370 # 60 allows for the watchdog to kill the server.
371 519
372 (aio_write $fh, 0, (length $value), $value, 0) <= 0 520 # we seemingly have to make a local copy of the whole thing,
373 and return; 521 # otherwise perl prematurely frees the stuff :/
522 # TODO: investigate and fix (likely this will be rather laborious)
374 523
375 # always fsync - this file is important 524 my @res = Coro::Util::fork_eval {
376 aio_fsync $fh 525 reset_signals;
377 and return; 526 &$cb
527 }, @args;
378 528
379 close $fh 529 wantarray ? @res : $res[-1]
380 or return; 530}
381 531
382 aio_rename "$runtime~", $runtime 532=item $value = cf::db_get $family => $key
383 and return;
384 533
534Returns a single value from the environment database.
535
536=item cf::db_put $family => $key => $value
537
538Stores the given C<$value> in the family. It can currently store binary
539data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
540
541=item $db = cf::db_table "name"
542
543Create and/or open a new database table. The string must not be "db" and must be unique
544within each server.
545
546=cut
547
548sub db_table($) {
549 my ($name) = @_;
550 my $db = BDB::db_create $DB_ENV;
551
552 eval {
553 $db->set_flags (BDB::CHKSUM);
554
555 utf8::encode $name;
556 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
557 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
558 cf::cleanup "db_open(db): $!" if $!;
559 };
560 cf::cleanup "db_open(db): $@" if $@;
561
562 $db
563}
564
565our $DB;
566
567sub db_init {
568 cf::sync_job {
569 $DB ||= db_table "db";
570 };
571}
572
573sub db_get($$) {
574 my $key = "$_[0]/$_[1]";
575
576 cf::sync_job {
577 BDB::db_get $DB, undef, $key, my $data;
578
579 $! ? ()
580 : $data
385 1 581 }
582}
583
584sub db_put($$$) {
585 BDB::dbreq_pri 4;
586 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
587}
588
589=item cf::cache $id => [$paths...], $processversion => $process
590
591Generic caching function that returns the value of the resource $id,
592caching and regenerating as required.
593
594This function can block.
595
596=cut
597
598sub cache {
599 my ($id, $src, $processversion, $process) = @_;
600
601 my $meta =
602 join "\x00",
603 $processversion,
604 map {
605 aio_stat $_
606 and Carp::croak "$_: $!";
607
608 ($_, (stat _)[7,9])
609 } @$src;
610
611 my $dbmeta = db_get cache => "$id/meta";
612 if ($dbmeta ne $meta) {
613 # changed, we may need to process
614
615 my @data;
616 my $md5;
617
618 for (0 .. $#$src) {
619 0 <= aio_load $src->[$_], $data[$_]
620 or Carp::croak "$src->[$_]: $!";
621 }
622
623 # if processing is expensive, check
624 # checksum first
625 if (1) {
626 $md5 =
627 join "\x00",
628 $processversion,
629 map {
630 cf::cede_to_tick;
631 ($src->[$_], Digest::MD5::md5_hex $data[$_])
632 } 0.. $#$src;
633
634
635 my $dbmd5 = db_get cache => "$id/md5";
636 if ($dbmd5 eq $md5) {
637 db_put cache => "$id/meta", $meta;
638
639 return db_get cache => "$id/data";
640 }
641 }
642
643 my $t1 = Time::HiRes::time;
644 my $data = $process->(\@data);
645 my $t2 = Time::HiRes::time;
646
647 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
648
649 db_put cache => "$id/data", $data;
650 db_put cache => "$id/md5" , $md5;
651 db_put cache => "$id/meta", $meta;
652
653 return $data;
654 }
655
656 db_get cache => "$id/data"
657}
658
659=item cf::datalog type => key => value, ...
660
661Log a datalog packet of the given type with the given key-value pairs.
662
663=cut
664
665sub datalog($@) {
666 my ($type, %kv) = @_;
667 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
386} 668}
387 669
388=back 670=back
389 671
390=cut 672=cut
397attach callbacks/event handlers (a collection of which is called an "attachment") 679attach callbacks/event handlers (a collection of which is called an "attachment")
398to it. All such attachable objects support the following methods. 680to it. All such attachable objects support the following methods.
399 681
400In the following description, CLASS can be any of C<global>, C<object> 682In the following description, CLASS can be any of C<global>, C<object>
401C<player>, C<client> or C<map> (i.e. the attachable objects in 683C<player>, C<client> or C<map> (i.e. the attachable objects in
402crossfire+). 684Deliantra).
403 685
404=over 4 686=over 4
405 687
406=item $attachable->attach ($attachment, key => $value...) 688=item $attachable->attach ($attachment, key => $value...)
407 689
570 $registry = $CB_TYPE[$object_type] ||= []; 852 $registry = $CB_TYPE[$object_type] ||= [];
571 853
572 } elsif ($type eq "subtype") { 854 } elsif ($type eq "subtype") {
573 defined $object_type or Carp::croak "subtype specified without type"; 855 defined $object_type or Carp::croak "subtype specified without type";
574 my $object_subtype = shift @arg; 856 my $object_subtype = shift @arg;
575 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 857 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
576 858
577 } elsif ($type eq "package") { 859 } elsif ($type eq "package") {
578 my $pkg = shift @arg; 860 my $pkg = shift @arg;
579 861
580 while (my ($name, $id) = each %cb_id) { 862 while (my ($name, $id) = each %cb_id) {
609 _attach $registry, $klass, @attach; 891 _attach $registry, $klass, @attach;
610 } 892 }
611 893
612 $obj->{$name} = \%arg; 894 $obj->{$name} = \%arg;
613 } else { 895 } else {
614 warn "object uses attachment '$name' that is not available, postponing.\n"; 896 warn "object uses attachment '$name' which is not available, postponing.\n";
615 } 897 }
616 898
617 $obj->{_attachment}{$name} = undef; 899 $obj->{_attachment}{$name} = undef;
618} 900}
619 901
621 if (ref $_[0]) { 903 if (ref $_[0]) {
622 _object_attach @_; 904 _object_attach @_;
623 } else { 905 } else {
624 _attach shift->_attach_registry, @_; 906 _attach shift->_attach_registry, @_;
625 } 907 }
908 _recalc_want;
626}; 909};
627 910
628# all those should be optimised 911# all those should be optimised
629sub cf::attachable::detach { 912sub cf::attachable::detach {
630 my ($obj, $name) = @_; 913 my ($obj, $name) = @_;
633 delete $obj->{_attachment}{$name}; 916 delete $obj->{_attachment}{$name};
634 reattach ($obj); 917 reattach ($obj);
635 } else { 918 } else {
636 Carp::croak "cannot, currently, detach class attachments"; 919 Carp::croak "cannot, currently, detach class attachments";
637 } 920 }
921 _recalc_want;
638}; 922};
639 923
640sub cf::attachable::attached { 924sub cf::attachable::attached {
641 my ($obj, $name) = @_; 925 my ($obj, $name) = @_;
642 926
657 "; 941 ";
658 die if $@; 942 die if $@;
659} 943}
660 944
661our $override; 945our $override;
662our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 946our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
663 947
664sub override { 948sub override {
665 $override = 1; 949 $override = 1;
666 @invoke_results = (); 950 @INVOKE_RESULTS = (@_);
667} 951}
668 952
669sub do_invoke { 953sub do_invoke {
670 my $event = shift; 954 my $event = shift;
671 my $callbacks = shift; 955 my $callbacks = shift;
672 956
673 @invoke_results = (); 957 @INVOKE_RESULTS = ();
674 958
675 local $override; 959 local $override;
676 960
677 for (@$callbacks) { 961 for (@$callbacks) {
678 eval { &{$_->[1]} }; 962 eval { &{$_->[1]} };
687 } 971 }
688 972
689 0 973 0
690} 974}
691 975
692=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 976=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
693 977
694=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 978=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
695 979
696Generate an object-specific event with the given arguments. 980Generate an object-specific event with the given arguments.
697 981
698This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 982This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
699removed in future versions), and there is no public API to access override 983removed in future versions), and there is no public API to access override
700results (if you must, access C<@cf::invoke_results> directly). 984results (if you must, access C<@cf::INVOKE_RESULTS> directly).
701 985
702=back 986=back
703 987
704=cut 988=cut
705 989
706############################################################################# 990#############################################################################
707# object support 991# object support
992
993sub _object_equal($$);
994sub _object_equal($$) {
995 my ($a, $b) = @_;
996
997 return 0 unless (ref $a) eq (ref $b);
998
999 if ("HASH" eq ref $a) {
1000 my @ka = keys %$a;
1001 my @kb = keys %$b;
1002
1003 return 0 if @ka != @kb;
1004
1005 for (0 .. $#ka) {
1006 return 0 unless $ka[$_] eq $kb[$_];
1007 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1008 }
1009
1010 } elsif ("ARRAY" eq ref $a) {
1011
1012 return 0 if @$a != @$b;
1013
1014 for (0 .. $#$a) {
1015 return 0 unless _object_equal $a->[$_], $b->[$_];
1016 }
1017
1018 } elsif ($a ne $b) {
1019 return 0;
1020 }
1021
1022 1
1023}
1024
1025our $SLOW_MERGES;#d#
1026sub _can_merge {
1027 my ($ob1, $ob2) = @_;
1028
1029 ++$SLOW_MERGES;#d#
1030
1031 # we do the slow way here
1032 return _object_equal $ob1, $ob2
1033}
708 1034
709sub reattach { 1035sub reattach {
710 # basically do the same as instantiate, without calling instantiate 1036 # basically do the same as instantiate, without calling instantiate
711 my ($obj) = @_; 1037 my ($obj) = @_;
712 1038
733cf::attachable->attach ( 1059cf::attachable->attach (
734 prio => -1000000, 1060 prio => -1000000,
735 on_instantiate => sub { 1061 on_instantiate => sub {
736 my ($obj, $data) = @_; 1062 my ($obj, $data) = @_;
737 1063
738 $data = from_json $data; 1064 $data = decode_json $data;
739 1065
740 for (@$data) { 1066 for (@$data) {
741 my ($name, $args) = @$_; 1067 my ($name, $args) = @$_;
742 1068
743 $obj->attach ($name, %{$args || {} }); 1069 $obj->attach ($name, %{$args || {} });
759sub object_freezer_save { 1085sub object_freezer_save {
760 my ($filename, $rdata, $objs) = @_; 1086 my ($filename, $rdata, $objs) = @_;
761 1087
762 sync_job { 1088 sync_job {
763 if (length $$rdata) { 1089 if (length $$rdata) {
1090 utf8::decode (my $decname = $filename);
764 warn sprintf "saving %s (%d,%d)\n", 1091 warn sprintf "saving %s (%d,%d)\n",
765 $filename, length $$rdata, scalar @$objs; 1092 $decname, length $$rdata, scalar @$objs;
766 1093
767 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1094 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
768 chmod SAVE_MODE, $fh; 1095 chmod SAVE_MODE, $fh;
769 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1096 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
770 aio_fsync $fh if $cf::USE_FSYNC; 1097 aio_fsync $fh if $cf::USE_FSYNC;
771 close $fh; 1098 close $fh;
772 1099
773 if (@$objs) { 1100 if (@$objs) {
774 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1101 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
775 chmod SAVE_MODE, $fh; 1102 chmod SAVE_MODE, $fh;
776 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1103 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
777 aio_write $fh, 0, (length $data), $data, 0; 1104 aio_write $fh, 0, (length $data), $data, 0;
778 aio_fsync $fh if $cf::USE_FSYNC; 1105 aio_fsync $fh if $cf::USE_FSYNC;
779 close $fh; 1106 close $fh;
780 aio_rename "$filename.pst~", "$filename.pst"; 1107 aio_rename "$filename.pst~", "$filename.pst";
781 } 1108 }
789 } 1116 }
790 } else { 1117 } else {
791 aio_unlink $filename; 1118 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 1119 aio_unlink "$filename.pst";
793 } 1120 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 1121 };
801} 1122}
802 1123
803sub object_freezer_as_string { 1124sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 1125 my ($rdata, $objs) = @_;
805 1126
810 1131
811sub object_thawer_load { 1132sub object_thawer_load {
812 my ($filename) = @_; 1133 my ($filename) = @_;
813 1134
814 my ($data, $av); 1135 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 1136
819 (aio_load $filename, $data) >= 0 1137 (aio_load $filename, $data) >= 0
820 or return; 1138 or return;
821 1139
822 unless (aio_stat "$filename.pst") { 1140 unless (aio_stat "$filename.pst") {
823 (aio_load "$filename.pst", $av) >= 0 1141 (aio_load "$filename.pst", $av) >= 0
824 or return; 1142 or return;
1143
825 $av = eval { (Storable::thaw $av)->{objs} }; 1144 my $st = eval { Coro::Storable::thaw $av };
1145 $av = $st->{objs};
826 } 1146 }
827 1147
1148 utf8::decode (my $decname = $filename);
828 warn sprintf "loading %s (%d)\n", 1149 warn sprintf "loading %s (%d,%d)\n",
829 $filename, length $data, scalar @{$av || []};#d# 1150 $decname, length $data, scalar @{$av || []};
1151
830 return ($data, $av); 1152 ($data, $av)
831} 1153}
1154
1155=head2 COMMAND CALLBACKS
1156
1157=over 4
1158
1159=cut
832 1160
833############################################################################# 1161#############################################################################
834# command handling &c 1162# command handling &c
835 1163
836=item cf::register_command $name => \&callback($ob,$args); 1164=item cf::register_command $name => \&callback($ob,$args);
849 push @{ $COMMAND{$name} }, [$caller, $cb]; 1177 push @{ $COMMAND{$name} }, [$caller, $cb];
850} 1178}
851 1179
852=item cf::register_extcmd $name => \&callback($pl,$packet); 1180=item cf::register_extcmd $name => \&callback($pl,$packet);
853 1181
854Register a callbackf ro execution when the client sends an extcmd packet. 1182Register a callback for execution when the client sends an (synchronous)
1183extcmd packet. Ext commands will be processed in the order they are
1184received by the server, like other user commands. The first argument is
1185the logged-in player. Ext commands can only be processed after a player
1186has logged in successfully.
855 1187
856If the callback returns something, it is sent back as if reply was being 1188If the callback returns something, it is sent back as if reply was being
857called. 1189called.
858 1190
1191=item cf::register_exticmd $name => \&callback($ns,$packet);
1192
1193Register a callback for execution when the client sends an (asynchronous)
1194exticmd packet. Exti commands are processed by the server as soon as they
1195are received, i.e. out of order w.r.t. other commands. The first argument
1196is a client socket. Exti commands can be received anytime, even before
1197log-in.
1198
1199If the callback returns something, it is sent back as if reply was being
1200called.
1201
859=cut 1202=cut
860 1203
861sub register_extcmd { 1204sub register_extcmd {
862 my ($name, $cb) = @_; 1205 my ($name, $cb) = @_;
863 1206
864 $EXTCMD{$name} = $cb; 1207 $EXTCMD{$name} = $cb;
1208}
1209
1210sub register_exticmd {
1211 my ($name, $cb) = @_;
1212
1213 $EXTICMD{$name} = $cb;
865} 1214}
866 1215
867cf::player->attach ( 1216cf::player->attach (
868 on_command => sub { 1217 on_command => sub {
869 my ($pl, $name, $params) = @_; 1218 my ($pl, $name, $params) = @_;
878 cf::override; 1227 cf::override;
879 }, 1228 },
880 on_extcmd => sub { 1229 on_extcmd => sub {
881 my ($pl, $buf) = @_; 1230 my ($pl, $buf) = @_;
882 1231
883 my $msg = eval { from_json $buf }; 1232 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
884 1233
885 if (ref $msg) { 1234 if (ref $msg) {
1235 my ($type, $reply, @payload) =
1236 "ARRAY" eq ref $msg
1237 ? @$msg
1238 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1239
1240 my @reply;
1241
886 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1242 if (my $cb = $EXTCMD{$type}) {
887 if (my %reply = $cb->($pl, $msg)) { 1243 @reply = $cb->($pl, @payload);
888 $pl->ext_reply ($msg->{msgid}, %reply);
889 }
890 } 1244 }
1245
1246 $pl->ext_reply ($reply, @reply)
1247 if $reply;
1248
891 } else { 1249 } else {
892 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1250 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
893 } 1251 }
894 1252
895 cf::override; 1253 cf::override;
896 }, 1254 },
897); 1255);
898 1256
899sub load_extension {
900 my ($path) = @_;
901
902 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
903 my $base = $1;
904 my $pkg = $1;
905 $pkg =~ s/[^[:word:]]/_/g;
906 $pkg = "ext::$pkg";
907
908 warn "... loading '$path' into '$pkg'\n";
909
910 open my $fh, "<:utf8", $path
911 or die "$path: $!";
912
913 my $source =
914 "package $pkg; use strict; use utf8;\n"
915 . "#line 1 \"$path\"\n{\n"
916 . (do { local $/; <$fh> })
917 . "\n};\n1";
918
919 unless (eval $source) {
920 my $msg = $@ ? "$path: $@\n"
921 : "extension disabled.\n";
922 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
923 warn $@;
924 warn "mandatory extension failed to load, exiting.\n";
925 exit 1;
926 }
927 die $@;
928 }
929
930 push @EXTS, $pkg;
931}
932
933sub load_extensions { 1257sub load_extensions {
1258 cf::sync_job {
1259 my %todo;
1260
934 for my $ext (<$LIBDIR/*.ext>) { 1261 for my $path (<$LIBDIR/*.ext>) {
935 next unless -r $ext; 1262 next unless -r $path;
936 eval { 1263
937 load_extension $ext; 1264 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1265 my $base = $1;
1266 my $pkg = $1;
1267 $pkg =~ s/[^[:word:]]/_/g;
1268 $pkg = "ext::$pkg";
1269
1270 open my $fh, "<:utf8", $path
1271 or die "$path: $!";
1272
1273 my $source = do { local $/; <$fh> };
1274
1275 my %ext = (
1276 path => $path,
1277 base => $base,
1278 pkg => $pkg,
1279 );
1280
1281 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1282 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1283
1284 $ext{source} =
1285 "package $pkg; use strict; use utf8;\n"
1286 . "#line 1 \"$path\"\n{\n"
1287 . $source
1288 . "\n};\n1";
1289
1290 $todo{$base} = \%ext;
1291 }
1292
1293 my %done;
1294 while (%todo) {
1295 my $progress;
1296
1297 while (my ($k, $v) = each %todo) {
1298 for (split /,\s*/, $v->{meta}{depends}) {
1299 goto skip
1300 unless exists $done{$_};
1301 }
1302
1303 warn "... loading '$k' into '$v->{pkg}'\n";
1304
1305 unless (eval $v->{source}) {
1306 my $msg = $@ ? "$v->{path}: $@\n"
1307 : "$v->{base}: extension inactive.\n";
1308
1309 if (exists $v->{meta}{mandatory}) {
1310 warn $msg;
1311 warn "mandatory extension failed to load, exiting.\n";
1312 exit 1;
1313 }
1314
1315 warn $msg;
1316 }
1317
1318 $done{$k} = delete $todo{$k};
1319 push @EXTS, $v->{pkg};
1320 $progress = 1;
938 1 1321 }
939 } or warn "$ext not loaded: $@"; 1322
1323 skip:
1324 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1325 unless $progress;
1326 }
940 } 1327 };
941} 1328}
942 1329
943############################################################################# 1330#############################################################################
944 1331
1332=back
1333
945=head2 CORE EXTENSIONS 1334=head2 CORE EXTENSIONS
946 1335
947Functions and methods that extend core crossfire objects. 1336Functions and methods that extend core crossfire objects.
948 1337
949=cut 1338=cut
954 1343
955=head3 cf::player 1344=head3 cf::player
956 1345
957=over 4 1346=over 4
958 1347
1348=item cf::player::num_playing
1349
1350Returns the official number of playing players, as per the Crossfire metaserver rules.
1351
1352=cut
1353
1354sub num_playing {
1355 scalar grep
1356 $_->ob->map
1357 && !$_->hidden
1358 && !$_->ob->flag (cf::FLAG_WIZ),
1359 cf::player::list
1360}
1361
959=item cf::player::find $login 1362=item cf::player::find $login
960 1363
961Returns the given player object, loading it if necessary (might block). 1364Returns the given player object, loading it if necessary (might block).
962 1365
963=cut 1366=cut
964 1367
965sub playerdir($) { 1368sub playerdir($) {
966 cf::localdir 1369 "$PLAYERDIR/"
967 . "/"
968 . cf::playerdir
969 . "/"
970 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1370 . (ref $_[0] ? $_[0]->ob->name : $_[0])
971} 1371}
972 1372
973sub path($) { 1373sub path($) {
974 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1374 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
975 1375
976 (playerdir $login) . "/$login.pl" 1376 (playerdir $login) . "/playerdata"
977} 1377}
978 1378
979sub find_active($) { 1379sub find_active($) {
980 $cf::PLAYER{$_[0]} 1380 $cf::PLAYER{$_[0]}
981 and $cf::PLAYER{$_[0]}->active 1381 and $cf::PLAYER{$_[0]}->active
994 my $login = $_[0]; 1394 my $login = $_[0];
995 1395
996 my $guard = cf::lock_acquire "user_find:$login"; 1396 my $guard = cf::lock_acquire "user_find:$login";
997 1397
998 $cf::PLAYER{$_[0]} || do { 1398 $cf::PLAYER{$_[0]} || do {
999 my $pl = load_pl path $login 1399 # rename old playerfiles to new ones
1400 #TODO: remove when no longer required
1401 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1402 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1403 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1404 aio_unlink +(playerdir $login) . "/$login.pl";
1405
1406 my $f = new_from_file cf::object::thawer path $login
1000 or return; 1407 or return;
1408
1409 my $pl = cf::player::load_pl $f
1410 or return;
1411 local $cf::PLAYER_LOADING{$login} = $pl;
1412 $f->resolve_delayed_derefs;
1001 $cf::PLAYER{$login} = $pl 1413 $cf::PLAYER{$login} = $pl
1002 } 1414 }
1003 } 1415 }
1004} 1416}
1005 1417
1015 1427
1016 aio_mkdir playerdir $pl, 0770; 1428 aio_mkdir playerdir $pl, 0770;
1017 $pl->{last_save} = $cf::RUNTIME; 1429 $pl->{last_save} = $cf::RUNTIME;
1018 1430
1019 $pl->save_pl ($path); 1431 $pl->save_pl ($path);
1020 Coro::cede; 1432 cf::cede_to_tick;
1021} 1433}
1022 1434
1023sub new($) { 1435sub new($) {
1024 my ($login) = @_; 1436 my ($login) = @_;
1025 1437
1031 $cf::PLAYER{$login} = $self; 1443 $cf::PLAYER{$login} = $self;
1032 1444
1033 $self 1445 $self
1034} 1446}
1035 1447
1448=item $player->send_msg ($channel, $msg, $color, [extra...])
1449
1450=cut
1451
1452sub send_msg {
1453 my $ns = shift->ns
1454 or return;
1455 $ns->send_msg (@_);
1456}
1457
1036=item $pl->quit_character 1458=item $pl->quit_character
1037 1459
1038Nukes the player without looking back. If logged in, the connection will 1460Nukes the player without looking back. If logged in, the connection will
1039be destroyed. May block for a long time. 1461be destroyed. May block for a long time.
1040 1462
1041=cut 1463=cut
1042 1464
1043sub quit_character { 1465sub quit_character {
1044 my ($pl) = @_; 1466 my ($pl) = @_;
1467
1468 my $name = $pl->ob->name;
1045 1469
1046 $pl->{deny_save} = 1; 1470 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1471 $pl->password ("*"); # this should lock out the player until we nuked the dir
1048 1472
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1473 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1054 my $path = playerdir $pl; 1478 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1479 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1480 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1481 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1482 $pl->destroy;
1483
1484 my $prefix = qr<^~\Q$name\E/>;
1485
1486 # nuke player maps
1487 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1488
1059 IO::AIO::aio_rmtree $temp; 1489 IO::AIO::aio_rmtree $temp;
1490}
1491
1492=item $pl->kick
1493
1494Kicks a player out of the game. This destroys the connection.
1495
1496=cut
1497
1498sub kick {
1499 my ($pl, $kicker) = @_;
1500
1501 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1502 $pl->killer ("kicked");
1503 $pl->ns->destroy;
1060} 1504}
1061 1505
1062=item cf::player::list_logins 1506=item cf::player::list_logins
1063 1507
1064Returns am arrayref of all valid playernames in the system, can take a 1508Returns am arrayref of all valid playernames in the system, can take a
1065while and may block, so not sync_job-capable, ever. 1509while and may block, so not sync_job-capable, ever.
1066 1510
1067=cut 1511=cut
1068 1512
1069sub list_logins { 1513sub list_logins {
1070 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1514 my $dirs = aio_readdir $PLAYERDIR
1071 or return []; 1515 or return [];
1072 1516
1073 my @logins; 1517 my @logins;
1074 1518
1075 for my $login (@$dirs) { 1519 for my $login (@$dirs) {
1520 my $path = path $login;
1521
1522 # a .pst is a dead give-away for a valid player
1523 unless (-e "$path.pst") {
1076 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1524 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1077 aio_read $fh, 0, 512, my $buf, 0 or next; 1525 aio_read $fh, 0, 512, my $buf, 0 or next;
1078 $buf !~ /^password -------------$/m or next; # official not-valid tag 1526 $buf !~ /^password -------------$/m or next; # official not-valid tag
1527 }
1079 1528
1080 utf8::decode $login; 1529 utf8::decode $login;
1081 push @logins, $login; 1530 push @logins, $login;
1082 } 1531 }
1083 1532
1110 } 1559 }
1111 1560
1112 \@paths 1561 \@paths
1113} 1562}
1114 1563
1564=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1565
1566Expand crossfire pod fragments into protocol xml.
1567
1568=cut
1569
1570use re 'eval';
1571
1572my $group;
1573my $interior; $interior = qr{
1574 # match a pod interior sequence sans C<< >>
1575 (?:
1576 \ (.*?)\ (?{ $group = $^N })
1577 | < (??{$interior}) >
1578 )
1579}x;
1580
1581sub expand_cfpod {
1582 my ($self, $pod) = @_;
1583
1584 my $xml;
1585
1586 while () {
1587 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1588 $group = $1;
1589
1590 $group =~ s/&/&amp;/g;
1591 $group =~ s/</&lt;/g;
1592
1593 $xml .= $group;
1594 } elsif ($pod =~ m%\G
1595 ([BCGHITU])
1596 <
1597 (?:
1598 ([^<>]*) (?{ $group = $^N })
1599 | < $interior >
1600 )
1601 >
1602 %gcsx
1603 ) {
1604 my ($code, $data) = ($1, $group);
1605
1606 if ($code eq "B") {
1607 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1608 } elsif ($code eq "I") {
1609 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1610 } elsif ($code eq "U") {
1611 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1612 } elsif ($code eq "C") {
1613 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1614 } elsif ($code eq "T") {
1615 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1616 } elsif ($code eq "G") {
1617 my ($male, $female) = split /\|/, $data;
1618 $data = $self->gender ? $female : $male;
1619 $xml .= expand_cfpod ($self, $data);
1620 } elsif ($code eq "H") {
1621 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1622 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1623 "")
1624 [$self->{hintmode}];
1625 } else {
1626 $xml .= "error processing '$code($data)' directive";
1627 }
1628 } else {
1629 if ($pod =~ /\G(.+)/) {
1630 warn "parse error while expanding $pod (at $1)";
1631 }
1632 last;
1633 }
1634 }
1635
1636 for ($xml) {
1637 # create single paragraphs (very hackish)
1638 s/(?<=\S)\n(?=\w)/ /g;
1639
1640 # compress some whitespace
1641 s/\s+\n/\n/g; # ws line-ends
1642 s/\n\n+/\n/g; # double lines
1643 s/^\n+//; # beginning lines
1644 s/\n+$//; # ending lines
1645 }
1646
1647 $xml
1648}
1649
1650no re 'eval';
1651
1652sub hintmode {
1653 $_[0]{hintmode} = $_[1] if @_ > 1;
1654 $_[0]{hintmode}
1655}
1656
1115=item $player->ext_reply ($msgid, $msgtype, %msg) 1657=item $player->ext_reply ($msgid, @msg)
1116 1658
1117Sends an ext reply to the player. 1659Sends an ext reply to the player.
1118 1660
1119=cut 1661=cut
1120 1662
1121sub ext_reply($$$%) { 1663sub ext_reply($$@) {
1122 my ($self, $id, %msg) = @_; 1664 my ($self, $id, @msg) = @_;
1123 1665
1124 $msg{msgid} = $id; 1666 $self->ns->ext_reply ($id, @msg)
1125
1126 $self->send ("ext " . cf::to_json \%msg);
1127} 1667}
1128 1668
1129package cf; 1669=item $player->ext_msg ($type, @msg)
1670
1671Sends an ext event to the client.
1672
1673=cut
1674
1675sub ext_msg($$@) {
1676 my ($self, $type, @msg) = @_;
1677
1678 $self->ns->ext_msg ($type, @msg);
1679}
1680
1681=head3 cf::region
1682
1683=over 4
1684
1685=cut
1686
1687package cf::region;
1688
1689=item cf::region::find_by_path $path
1690
1691Tries to decuce the likely region for a map knowing only its path.
1692
1693=cut
1694
1695sub find_by_path($) {
1696 my ($path) = @_;
1697
1698 my ($match, $specificity);
1699
1700 for my $region (list) {
1701 if ($region->{match} && $path =~ $region->{match}) {
1702 ($match, $specificity) = ($region, $region->specificity)
1703 if $region->specificity > $specificity;
1704 }
1705 }
1706
1707 $match
1708}
1130 1709
1131=back 1710=back
1132
1133 1711
1134=head3 cf::map 1712=head3 cf::map
1135 1713
1136=over 4 1714=over 4
1137 1715
1192 my ($self, $merge) = @_; 1770 my ($self, $merge) = @_;
1193 1771
1194 # we have to keep some variables in memory intact 1772 # we have to keep some variables in memory intact
1195 local $self->{path}; 1773 local $self->{path};
1196 local $self->{load_path}; 1774 local $self->{load_path};
1197 local $self->{deny_save};
1198 local $self->{deny_reset};
1199 1775
1200 $self->SUPER::thawer_merge ($merge); 1776 $self->SUPER::thawer_merge ($merge);
1201} 1777}
1202 1778
1203sub normalise { 1779sub normalise {
1250 $self->init; # pass $1 etc. 1826 $self->init; # pass $1 etc.
1251 return $self; 1827 return $self;
1252 } 1828 }
1253 } 1829 }
1254 1830
1255 Carp::carp "unable to resolve path '$path' (base '$base')."; 1831 Carp::cluck "unable to resolve path '$path' (base '$base').";
1256 () 1832 ()
1257} 1833}
1258 1834
1259sub init { 1835sub init {
1260 my ($self) = @_; 1836 my ($self) = @_;
1275 1851
1276# the original (read-only) location 1852# the original (read-only) location
1277sub load_path { 1853sub load_path {
1278 my ($self) = @_; 1854 my ($self) = @_;
1279 1855
1280 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1856 "$MAPDIR/$self->{path}.map"
1281} 1857}
1282 1858
1283# the temporary/swap location 1859# the temporary/swap location
1284sub save_path { 1860sub save_path {
1285 my ($self) = @_; 1861 my ($self) = @_;
1286 1862
1287 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1863 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1288 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1864 "$TMPDIR/$path.map"
1289} 1865}
1290 1866
1291# the unique path, undef == no special unique path 1867# the unique path, undef == no special unique path
1292sub uniq_path { 1868sub uniq_path {
1293 my ($self) = @_; 1869 my ($self) = @_;
1294 1870
1295 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1871 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1296 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1872 "$UNIQUEDIR/$path"
1297} 1873}
1298 1874
1299# and all this just because we cannot iterate over 1875# and all this just because we cannot iterate over
1300# all maps in C++... 1876# all maps in C++...
1301sub change_all_map_light { 1877sub change_all_map_light {
1303 1879
1304 $_->change_map_light ($change) 1880 $_->change_map_light ($change)
1305 for grep $_->outdoor, values %cf::MAP; 1881 for grep $_->outdoor, values %cf::MAP;
1306} 1882}
1307 1883
1884sub decay_objects {
1885 my ($self) = @_;
1886
1887 return if $self->{deny_reset};
1888
1889 $self->do_decay_objects;
1890}
1891
1308sub unlink_save { 1892sub unlink_save {
1309 my ($self) = @_; 1893 my ($self) = @_;
1310 1894
1311 utf8::encode (my $save = $self->save_path); 1895 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1896 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1897 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1898}
1320 1899
1321sub load_header_from($) { 1900sub load_header_from($) {
1322 my ($self, $path) = @_; 1901 my ($self, $path) = @_;
1323 1902
1324 utf8::encode $path; 1903 utf8::encode $path;
1325 #aio_open $path, O_RDONLY, 0 1904 my $f = new_from_file cf::object::thawer $path
1326 # or return;
1327
1328 $self->_load_header ($path)
1329 or return; 1905 or return;
1906
1907 $self->_load_header ($f)
1908 or return;
1909
1910 local $MAP_LOADING{$self->{path}} = $self;
1911 $f->resolve_delayed_derefs;
1330 1912
1331 $self->{load_path} = $path; 1913 $self->{load_path} = $path;
1332 1914
1333 1 1915 1
1334} 1916}
1373 $self->load_header_orig 1955 $self->load_header_orig
1374 or return; 1956 or return;
1375 $self->prepare_orig; 1957 $self->prepare_orig;
1376 } 1958 }
1377 1959
1960 $self->{deny_reset} = 1
1961 if $self->no_reset;
1962
1963 $self->default_region (cf::region::find_by_path $self->{path})
1964 unless $self->default_region;
1965
1378 1 1966 1
1379} 1967}
1380 1968
1381sub find; 1969sub find;
1382sub find { 1970sub find {
1383 my ($path, $origin) = @_; 1971 my ($path, $origin) = @_;
1384 1972
1385 $path = normalise $path, $origin && $origin->path; 1973 $path = normalise $path, $origin && $origin->path;
1386 1974
1975 cf::lock_wait "map_data:$path";#d#remove
1387 cf::lock_wait "map_find:$path"; 1976 cf::lock_wait "map_find:$path";
1388 1977
1389 $cf::MAP{$path} || do { 1978 $cf::MAP{$path} || do {
1390 my $guard = cf::lock_acquire "map_find:$path"; 1979 my $guard1 = cf::lock_acquire "map_find:$path";
1980 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1981
1391 my $map = new_from_path cf::map $path 1982 my $map = new_from_path cf::map $path
1392 or return; 1983 or return;
1393 1984
1394 $map->{last_save} = $cf::RUNTIME; 1985 $map->{last_save} = $cf::RUNTIME;
1395 1986
1396 $map->load_header 1987 $map->load_header
1397 or return; 1988 or return;
1398 1989
1399 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1990 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1400 # doing this can freeze the server in a sync job, obviously 1991 # doing this can freeze the server in a sync job, obviously
1401 #$cf::WAIT_FOR_TICK->wait; 1992 #$cf::WAIT_FOR_TICK->wait;
1993 undef $guard1;
1994 undef $guard2;
1402 $map->reset; 1995 $map->reset;
1403 undef $guard;
1404 return find $path; 1996 return find $path;
1405 } 1997 }
1406 1998
1407 $cf::MAP{$path} = $map 1999 $cf::MAP{$path} = $map
1408 } 2000 }
1415 my ($self) = @_; 2007 my ($self) = @_;
1416 2008
1417 local $self->{deny_reset} = 1; # loading can take a long time 2009 local $self->{deny_reset} = 1; # loading can take a long time
1418 2010
1419 my $path = $self->{path}; 2011 my $path = $self->{path};
2012
2013 {
1420 my $guard = cf::lock_acquire "map_load:$path"; 2014 my $guard = cf::lock_acquire "map_data:$path";
1421 2015
2016 return unless $self->valid;
1422 return if $self->in_memory != cf::MAP_SWAPPED; 2017 return unless $self->in_memory == cf::MAP_SWAPPED;
1423 2018
1424 $self->in_memory (cf::MAP_LOADING); 2019 $self->in_memory (cf::MAP_LOADING);
1425 2020
1426 $self->alloc; 2021 $self->alloc;
1427 2022
1428 $self->pre_load; 2023 $self->pre_load;
2024 cf::cede_to_tick;
1429 2025
1430 $self->_load_objects ($self->{load_path}, 1) 2026 my $f = new_from_file cf::object::thawer $self->{load_path};
2027 $f->skip_block;
2028 $self->_load_objects ($f)
1431 or return; 2029 or return;
1432 2030
1433 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2031 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1434 if delete $self->{load_original}; 2032 if delete $self->{load_original};
1435 2033
1436 if (my $uniq = $self->uniq_path) { 2034 if (my $uniq = $self->uniq_path) {
1437 utf8::encode $uniq; 2035 utf8::encode $uniq;
1438 if (aio_open $uniq, O_RDONLY, 0) { 2036 unless (aio_stat $uniq) {
2037 if (my $f = new_from_file cf::object::thawer $uniq) {
1439 $self->clear_unique_items; 2038 $self->clear_unique_items;
1440 $self->_load_objects ($uniq, 0); 2039 $self->_load_objects ($f);
2040 $f->resolve_delayed_derefs;
2041 }
1441 } 2042 }
1442 } 2043 }
1443 2044
1444 Coro::cede; 2045 $f->resolve_delayed_derefs;
1445 2046
2047 cf::cede_to_tick;
1446 # now do the right thing for maps 2048 # now do the right thing for maps
1447 $self->link_multipart_objects; 2049 $self->link_multipart_objects;
1448
1449 unless ($self->{deny_activate}) {
1450 $self->decay_objects;
1451 $self->fix_auto_apply;
1452 $self->update_buttons;
1453 Coro::cede;
1454 $self->set_darkness_map;
1455 $self->difficulty ($self->estimate_difficulty) 2050 $self->difficulty ($self->estimate_difficulty)
1456 unless $self->difficulty; 2051 unless $self->difficulty;
1457 Coro::cede; 2052 cf::cede_to_tick;
2053
2054 unless ($self->{deny_activate}) {
2055 $self->decay_objects;
2056 $self->fix_auto_apply;
2057 $self->update_buttons;
2058 cf::cede_to_tick;
2059 $self->set_darkness_map;
2060 cf::cede_to_tick;
1458 $self->activate; 2061 $self->activate;
2062 }
2063
2064 $self->{last_save} = $cf::RUNTIME;
2065 $self->last_access ($cf::RUNTIME);
2066
2067 $self->in_memory (cf::MAP_IN_MEMORY);
1459 } 2068 }
1460 2069
1461 $self->post_load; 2070 $self->post_load;
1462
1463 $self->in_memory (cf::MAP_IN_MEMORY);
1464} 2071}
1465 2072
1466sub customise_for { 2073sub customise_for {
1467 my ($self, $ob) = @_; 2074 my ($self, $ob) = @_;
1468 2075
1469 return find "~" . $ob->name . "/" . $self->{path} 2076 return find "~" . $ob->name . "/" . $self->{path}
1470 if $self->per_player; 2077 if $self->per_player;
1471 2078
2079# return find "?party/" . $ob->name . "/" . $self->{path}
2080# if $self->per_party;
2081
1472 $self 2082 $self
1473} 2083}
1474 2084
1475# find and load all maps in the 3x3 area around a map 2085# find and load all maps in the 3x3 area around a map
1476sub load_diag { 2086sub load_neighbours {
1477 my ($map) = @_; 2087 my ($map) = @_;
1478 2088
1479 my @diag; # diagonal neighbours 2089 my @neigh; # diagonal neighbours
1480 2090
1481 for (0 .. 3) { 2091 for (0 .. 3) {
1482 my $neigh = $map->tile_path ($_) 2092 my $neigh = $map->tile_path ($_)
1483 or next; 2093 or next;
1484 $neigh = find $neigh, $map 2094 $neigh = find $neigh, $map
1485 or next; 2095 or next;
1486 $neigh->load; 2096 $neigh->load;
1487 2097
2098 push @neigh,
1488 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2099 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1489 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2100 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1490 } 2101 }
1491 2102
1492 for (@diag) { 2103 for (grep defined $_->[0], @neigh) {
2104 my ($path, $origin) = @$_;
1493 my $neigh = find @$_ 2105 my $neigh = find $path, $origin
1494 or next; 2106 or next;
1495 $neigh->load; 2107 $neigh->load;
1496 } 2108 }
1497} 2109}
1498 2110
1503} 2115}
1504 2116
1505sub do_load_sync { 2117sub do_load_sync {
1506 my ($map) = @_; 2118 my ($map) = @_;
1507 2119
2120 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2121 if $Coro::current == $Coro::main;
2122
1508 cf::sync_job { $map->load }; 2123 cf::sync_job { $map->load };
1509} 2124}
1510 2125
1511our %MAP_PREFETCH; 2126our %MAP_PREFETCH;
1512our $MAP_PREFETCHER = undef; 2127our $MAP_PREFETCHER = undef;
1513 2128
1514sub find_async { 2129sub find_async {
1515 my ($path, $origin) = @_; 2130 my ($path, $origin, $load) = @_;
1516 2131
1517 $path = normalise $path, $origin && $origin->{path}; 2132 $path = normalise $path, $origin && $origin->{path};
1518 2133
1519 if (my $map = $cf::MAP{$path}) { 2134 if (my $map = $cf::MAP{$path}) {
1520 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2135 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1521 } 2136 }
1522 2137
1523 undef $MAP_PREFETCH{$path}; 2138 $MAP_PREFETCH{$path} |= $load;
2139
1524 $MAP_PREFETCHER ||= cf::async { 2140 $MAP_PREFETCHER ||= cf::async {
2141 $Coro::current->{desc} = "map prefetcher";
2142
1525 while (%MAP_PREFETCH) { 2143 while (%MAP_PREFETCH) {
1526 for my $path (keys %MAP_PREFETCH) { 2144 while (my ($k, $v) = each %MAP_PREFETCH) {
1527 my $map = find $path 2145 if (my $map = find $k) {
1528 or next;
1529 $map->load; 2146 $map->load if $v;
2147 }
1530 2148
1531 delete $MAP_PREFETCH{$path}; 2149 delete $MAP_PREFETCH{$k};
1532 } 2150 }
1533 } 2151 }
1534 undef $MAP_PREFETCHER; 2152 undef $MAP_PREFETCHER;
1535 }; 2153 };
1536 $MAP_PREFETCHER->prio (6); 2154 $MAP_PREFETCHER->prio (6);
1539} 2157}
1540 2158
1541sub save { 2159sub save {
1542 my ($self) = @_; 2160 my ($self) = @_;
1543 2161
1544 my $lock = cf::lock_acquire "map_data:" . $self->path; 2162 my $lock = cf::lock_acquire "map_data:$self->{path}";
1545 2163
1546 $self->{last_save} = $cf::RUNTIME; 2164 $self->{last_save} = $cf::RUNTIME;
1547 2165
1548 return unless $self->dirty; 2166 return unless $self->dirty;
1549 2167
1555 return if $self->{deny_save}; 2173 return if $self->{deny_save};
1556 2174
1557 local $self->{last_access} = $self->last_access;#d# 2175 local $self->{last_access} = $self->last_access;#d#
1558 2176
1559 cf::async { 2177 cf::async {
2178 $Coro::current->{desc} = "map player save";
1560 $_->contr->save for $self->players; 2179 $_->contr->save for $self->players;
1561 }; 2180 };
1562 2181
1563 if ($uniq) { 2182 if ($uniq) {
1564 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2183 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572 my ($self) = @_; 2191 my ($self) = @_;
1573 2192
1574 # save first because save cedes 2193 # save first because save cedes
1575 $self->save; 2194 $self->save;
1576 2195
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 2196 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2197
1579 return if $self->players; 2198 return if $self->players;
1580 return if $self->in_memory != cf::MAP_IN_MEMORY; 2199 return if $self->in_memory != cf::MAP_IN_MEMORY;
1581 return if $self->{deny_save}; 2200 return if $self->{deny_save};
1582 2201
2202 $self->in_memory (cf::MAP_SWAPPED);
2203
2204 $self->deactivate;
2205 $_->clear_links_to ($self) for values %cf::MAP;
1583 $self->clear; 2206 $self->clear;
1584 $self->in_memory (cf::MAP_SWAPPED);
1585} 2207}
1586 2208
1587sub reset_at { 2209sub reset_at {
1588 my ($self) = @_; 2210 my ($self) = @_;
1589 2211
1590 # TODO: safety, remove and allow resettable per-player maps 2212 # TODO: safety, remove and allow resettable per-player maps
1591 return 1e99 if $self->isa ("ext::map_per_player");#d#
1592 return 1e99 if $self->{deny_reset}; 2213 return 1e99 if $self->{deny_reset};
1593 2214
1594 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2215 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1595 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2216 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1596 2217
1607 my ($self) = @_; 2228 my ($self) = @_;
1608 2229
1609 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2230 my $lock = cf::lock_acquire "map_data:$self->{path}";
1610 2231
1611 return if $self->players; 2232 return if $self->players;
1612 return if $self->isa ("ext::map_per_player");#d#
1613 2233
1614 warn "resetting map ", $self->path;#d# 2234 warn "resetting map ", $self->path;
1615 2235
1616 $self->in_memory (cf::MAP_SWAPPED); 2236 $self->in_memory (cf::MAP_SWAPPED);
1617 2237
1618 # need to save uniques path 2238 # need to save uniques path
1619 unless ($self->{deny_save}) { 2239 unless ($self->{deny_save}) {
1623 if $uniq; 2243 if $uniq;
1624 } 2244 }
1625 2245
1626 delete $cf::MAP{$self->path}; 2246 delete $cf::MAP{$self->path};
1627 2247
2248 $self->deactivate;
2249 $_->clear_links_to ($self) for values %cf::MAP;
1628 $self->clear; 2250 $self->clear;
1629
1630 $_->clear_links_to ($self) for values %cf::MAP;
1631 2251
1632 $self->unlink_save; 2252 $self->unlink_save;
1633 $self->destroy; 2253 $self->destroy;
1634} 2254}
1635 2255
1636my $nuke_counter = "aaaa"; 2256my $nuke_counter = "aaaa";
1637 2257
1638sub nuke { 2258sub nuke {
1639 my ($self) = @_; 2259 my ($self) = @_;
1640 2260
2261 {
2262 my $lock = cf::lock_acquire "map_data:$self->{path}";
2263
1641 delete $cf::MAP{$self->path}; 2264 delete $cf::MAP{$self->path};
1642 2265
1643 $self->unlink_save; 2266 $self->unlink_save;
1644 2267
1645 bless $self, "cf::map"; 2268 bless $self, "cf::map";
1646 delete $self->{deny_reset}; 2269 delete $self->{deny_reset};
1647 $self->{deny_save} = 1; 2270 $self->{deny_save} = 1;
1648 $self->reset_timeout (1); 2271 $self->reset_timeout (1);
1649 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2272 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1650 2273
1651 $cf::MAP{$self->path} = $self; 2274 $cf::MAP{$self->path} = $self;
2275 }
1652 2276
1653 $self->reset; # polite request, might not happen 2277 $self->reset; # polite request, might not happen
2278}
2279
2280=item $maps = cf::map::tmp_maps
2281
2282Returns an arrayref with all map paths of currently instantiated and saved
2283maps. May block.
2284
2285=cut
2286
2287sub tmp_maps() {
2288 [
2289 map {
2290 utf8::decode $_;
2291 /\.map$/
2292 ? normalise $_
2293 : ()
2294 } @{ aio_readdir $TMPDIR or [] }
2295 ]
2296}
2297
2298=item $maps = cf::map::random_maps
2299
2300Returns an arrayref with all map paths of currently instantiated and saved
2301random maps. May block.
2302
2303=cut
2304
2305sub random_maps() {
2306 [
2307 map {
2308 utf8::decode $_;
2309 /\.map$/
2310 ? normalise "?random/$_"
2311 : ()
2312 } @{ aio_readdir $RANDOMDIR or [] }
2313 ]
1654} 2314}
1655 2315
1656=item cf::map::unique_maps 2316=item cf::map::unique_maps
1657 2317
1658Returns an arrayref of paths of all shared maps that have 2318Returns an arrayref of paths of all shared maps that have
1659instantiated unique items. May block. 2319instantiated unique items. May block.
1660 2320
1661=cut 2321=cut
1662 2322
1663sub unique_maps() { 2323sub unique_maps() {
1664 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2324 [
1665 or return; 2325 map {
1666
1667 my @paths;
1668
1669 for (@$files) {
1670 utf8::decode $_; 2326 utf8::decode $_;
1671 next if /\.pst$/; 2327 /\.map$/
1672 next unless /^$PATH_SEP/o; 2328 ? normalise $_
1673 2329 : ()
1674 push @paths, cf::map::normalise $_; 2330 } @{ aio_readdir $UNIQUEDIR or [] }
1675 } 2331 ]
1676
1677 \@paths
1678} 2332}
1679 2333
1680package cf; 2334package cf;
1681 2335
1682=back 2336=back
1700 map { $_, inv_recursive_ $_->inv } @_ 2354 map { $_, inv_recursive_ $_->inv } @_
1701} 2355}
1702 2356
1703sub inv_recursive { 2357sub inv_recursive {
1704 inv_recursive_ inv $_[0] 2358 inv_recursive_ inv $_[0]
2359}
2360
2361=item $ref = $ob->ref
2362
2363creates and returns a persistent reference to an objetc that can be stored as a string.
2364
2365=item $ob = cf::object::deref ($refstring)
2366
2367returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2368even if the object actually exists. May block.
2369
2370=cut
2371
2372sub deref {
2373 my ($ref) = @_;
2374
2375 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2376 my ($uuid, $name) = ($1, $2);
2377 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2378 or return;
2379 $pl->ob->uuid eq $uuid
2380 or return;
2381
2382 $pl->ob
2383 } else {
2384 warn "$ref: cannot resolve object reference\n";
2385 undef
2386 }
1705} 2387}
1706 2388
1707package cf; 2389package cf;
1708 2390
1709=back 2391=back
1728 2410
1729 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2411 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1730 2412
1731 if ($self->{record_replies}) { 2413 if ($self->{record_replies}) {
1732 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2414 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2415
1733 } else { 2416 } else {
2417 my $pl = $self->contr;
2418
2419 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2420 my $dialog = $pl->{npc_dialog};
2421 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2422
2423 } else {
1734 $msg = $npc->name . " says: $msg" if $npc; 2424 $msg = $npc->name . " says: $msg" if $npc;
1735 $self->message ($msg, $flags); 2425 $self->message ($msg, $flags);
2426 }
1736 } 2427 }
2428}
2429
2430=item $object->send_msg ($channel, $msg, $color, [extra...])
2431
2432=cut
2433
2434sub cf::object::send_msg {
2435 my $pl = shift->contr
2436 or return;
2437 $pl->send_msg (@_);
1737} 2438}
1738 2439
1739=item $player_object->may ("access") 2440=item $player_object->may ("access")
1740 2441
1741Returns wether the given player is authorized to access resource "access" 2442Returns wether the given player is authorized to access resource "access"
1788 $self->deactivate_recursive; 2489 $self->deactivate_recursive;
1789 2490
1790 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2491 return if UNIVERSAL::isa $self->map, "ext::map_link";
1791 2492
1792 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2493 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1793 if $self->map; 2494 if $self->map && $self->map->{path} ne "{link}";
1794 2495
1795 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2496 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1796} 2497}
1797 2498
1798sub cf::object::player::leave_link { 2499sub cf::object::player::leave_link {
1799 my ($self, $map, $x, $y) = @_; 2500 my ($self, $map, $x, $y) = @_;
2501
2502 return unless $self->contr->active;
1800 2503
1801 my $link_pos = delete $self->{_link_pos}; 2504 my $link_pos = delete $self->{_link_pos};
1802 2505
1803 unless ($map) { 2506 unless ($map) {
1804 # restore original map position 2507 # restore original map position
1818 # use -1 or undef as default coordinates, not 0, 0 2521 # use -1 or undef as default coordinates, not 0, 0
1819 ($x, $y) = ($map->enter_x, $map->enter_y) 2522 ($x, $y) = ($map->enter_x, $map->enter_y)
1820 if $x <=0 && $y <= 0; 2523 if $x <=0 && $y <= 0;
1821 2524
1822 $map->load; 2525 $map->load;
1823 $map->load_diag; 2526 $map->load_neighbours;
1824 2527
1825 return unless $self->contr->active; 2528 return unless $self->contr->active;
1826 $self->activate_recursive; 2529 $self->activate_recursive;
2530
2531 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 2532 $self->enter_map ($map, $x, $y);
1828} 2533}
1829 2534
1830cf::player->attach ( 2535=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831 on_logout => sub {
1832 my ($pl) = @_;
1833 2536
1834 # abort map switching before logout 2537Moves the player to the given map-path and coordinates by first freezing
1835 if ($pl->ob->{_link_pos}) { 2538her, loading and preparing them map, calling the provided $check callback
1836 cf::sync_job { 2539that has to return the map if sucecssful, and then unfreezes the player on
1837 $pl->ob->leave_link 2540the new (success) or old (failed) map position. In either case, $done will
1838 }; 2541be called at the end of this process.
1839 }
1840 },
1841 on_login => sub {
1842 my ($pl) = @_;
1843 2542
1844 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link;
1848 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED);
1855 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link;
1857 })->prio (2);
1858 }
1859 },
1860);
1861
1862=item $player_object->goto ($path, $x, $y)
1863
1864=cut 2543=cut
2544
2545our $GOTOGEN;
1865 2546
1866sub cf::object::player::goto { 2547sub cf::object::player::goto {
1867 my ($self, $path, $x, $y) = @_; 2548 my ($self, $path, $x, $y, $check, $done) = @_;
2549
2550 # do generation counting so two concurrent goto's will be executed in-order
2551 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868 2552
1869 $self->enter_link; 2553 $self->enter_link;
1870 2554
1871 (async { 2555 (async {
2556 $Coro::current->{desc} = "player::goto $path $x $y";
2557
2558 # *tag paths override both path and x|y
2559 if ($path =~ /^\*(.*)$/) {
2560 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2561 my $ob = $obs[rand @obs];
2562
2563 # see if we actually can go there
2564 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2565 $ob = $obs[rand @obs];
2566 } else {
2567 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2568 }
2569 # else put us there anyways for now #d#
2570
2571 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2572 } else {
2573 ($path, $x, $y) = (undef, undef, undef);
2574 }
2575 }
2576
1872 my $map = eval { 2577 my $map = eval {
1873 my $map = cf::map::find $path; 2578 my $map = defined $path ? cf::map::find $path : undef;
2579
2580 if ($map) {
1874 $map = $map->customise_for ($self) if $map; 2581 $map = $map->customise_for ($self);
2582 $map = $check->($map) if $check && $map;
2583 } else {
2584 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2585 }
2586
1875 $map 2587 $map
2588 };
2589
2590 if ($@) {
2591 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2592 LOG llevError | logBacktrace, Carp::longmess $@;
1876 } or 2593 }
1877 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878 2594
2595 if ($gen == $self->{_goto_generation}) {
2596 delete $self->{_goto_generation};
1879 $self->leave_link ($map, $x, $y); 2597 $self->leave_link ($map, $x, $y);
2598 }
2599
2600 $done->() if $done;
1880 })->prio (1); 2601 })->prio (1);
1881} 2602}
1882 2603
1883=item $player_object->enter_exit ($exit_object) 2604=item $player_object->enter_exit ($exit_object)
1884 2605
1921 $rmp->{origin_y} = $exit->y; 2642 $rmp->{origin_y} = $exit->y;
1922 } 2643 }
1923 2644
1924 $rmp->{random_seed} ||= $exit->random_seed; 2645 $rmp->{random_seed} ||= $exit->random_seed;
1925 2646
1926 my $data = cf::to_json $rmp; 2647 my $data = cf::encode_json $rmp;
1927 my $md5 = Digest::MD5::md5_hex $data; 2648 my $md5 = Digest::MD5::md5_hex $data;
1928 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2649 my $meta = "$RANDOMDIR/$md5.meta";
1929 2650
1930 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2651 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931 aio_write $fh, 0, (length $data), $data, 0; 2652 aio_write $fh, 0, (length $data), $data, 0;
1932 undef $fh; 2653 undef $fh;
1933 aio_rename "$meta~", $meta; 2654 aio_rename "$meta~", $meta;
1942 2663
1943 return unless $self->type == cf::PLAYER; 2664 return unless $self->type == cf::PLAYER;
1944 2665
1945 if ($exit->slaying eq "/!") { 2666 if ($exit->slaying eq "/!") {
1946 #TODO: this should de-fi-ni-te-ly not be a sync-job 2667 #TODO: this should de-fi-ni-te-ly not be a sync-job
2668 # the problem is that $exit might not survive long enough
2669 # so it needs to be done right now, right here
1947 cf::sync_job { prepare_random_map $exit }; 2670 cf::sync_job { prepare_random_map $exit };
1948 } 2671 }
1949 2672
1950 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2673 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951 my $hp = $exit->stats->hp; 2674 my $hp = $exit->stats->hp;
1952 my $sp = $exit->stats->sp; 2675 my $sp = $exit->stats->sp;
1953 2676
1954 $self->enter_link; 2677 $self->enter_link;
1955 2678
2679 # if exit is damned, update players death & WoR home-position
2680 $self->contr->savebed ($slaying, $hp, $sp)
2681 if $exit->flag (FLAG_DAMNED);
2682
1956 (async { 2683 (async {
2684 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2685
1957 $self->deactivate_recursive; # just to be sure 2686 $self->deactivate_recursive; # just to be sure
1958 unless (eval { 2687 unless (eval {
1959 $self->goto ($slaying, $hp, $sp); 2688 $self->goto ($slaying, $hp, $sp);
1960 2689
1961 1; 2690 1;
1962 }) { 2691 }) {
1963 $self->message ("Something went wrong deep within the crossfire server. " 2692 $self->message ("Something went wrong deep within the crossfire server. "
1964 . "I'll try to bring you back to the map you were before. " 2693 . "I'll try to bring you back to the map you were before. "
1965 . "Please report this to the dungeon master!", 2694 . "Please report this to the dungeon master!",
1966 cf::NDI_UNIQUE | cf::NDI_RED); 2695 cf::NDI_UNIQUE | cf::NDI_RED);
1967 2696
1968 warn "ERROR in enter_exit: $@"; 2697 warn "ERROR in enter_exit: $@";
1969 $self->leave_link; 2698 $self->leave_link;
1970 } 2699 }
1971 })->prio (1); 2700 })->prio (1);
1984 2713
1985sub cf::client::send_drawinfo { 2714sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 2715 my ($self, $text, $flags) = @_;
1987 2716
1988 utf8::encode $text; 2717 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2718 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2719}
1991 2720
2721=item $client->send_msg ($channel, $msg, $color, [extra...])
2722
2723Send a drawinfo or msg packet to the client, formatting the msg for the
2724client if neccessary. C<$type> should be a string identifying the type of
2725the message, with C<log> being the default. If C<$color> is negative, suppress
2726the message unless the client supports the msg packet.
2727
2728=cut
2729
2730# non-persistent channels (usually the info channel)
2731our %CHANNEL = (
2732 "c/identify" => {
2733 id => "infobox",
2734 title => "Identify",
2735 reply => undef,
2736 tooltip => "Items recently identified",
2737 },
2738 "c/examine" => {
2739 id => "infobox",
2740 title => "Examine",
2741 reply => undef,
2742 tooltip => "Signs and other items you examined",
2743 },
2744 "c/book" => {
2745 id => "infobox",
2746 title => "Book",
2747 reply => undef,
2748 tooltip => "The contents of a note or book",
2749 },
2750 "c/lookat" => {
2751 id => "infobox",
2752 title => "Look",
2753 reply => undef,
2754 tooltip => "What you saw there",
2755 },
2756 "c/who" => {
2757 id => "infobox",
2758 title => "Players",
2759 reply => undef,
2760 tooltip => "Shows players who are currently online",
2761 },
2762 "c/body" => {
2763 id => "infobox",
2764 title => "Body Parts",
2765 reply => undef,
2766 tooltip => "Shows which body parts you posess and are available",
2767 },
2768 "c/uptime" => {
2769 id => "infobox",
2770 title => "Uptime",
2771 reply => undef,
2772 tooltip => "How long the server has been running since last restart",
2773 },
2774 "c/mapinfo" => {
2775 id => "infobox",
2776 title => "Map Info",
2777 reply => undef,
2778 tooltip => "Information related to the maps",
2779 },
2780);
2781
2782sub cf::client::send_msg {
2783 my ($self, $channel, $msg, $color, @extra) = @_;
2784
2785 $msg = $self->pl->expand_cfpod ($msg);
2786
2787 $color &= cf::NDI_CLIENT_MASK; # just in case...
2788
2789 # check predefined channels, for the benefit of C
2790 if ($CHANNEL{$channel}) {
2791 $channel = $CHANNEL{$channel};
2792
2793 $self->ext_msg (channel_info => $channel)
2794 if $self->can_msg;
2795
2796 $channel = $channel->{id};
2797
2798 } elsif (ref $channel) {
2799 # send meta info to client, if not yet sent
2800 unless (exists $self->{channel}{$channel->{id}}) {
2801 $self->{channel}{$channel->{id}} = $channel;
2802 $self->ext_msg (channel_info => $channel)
2803 if $self->can_msg;
2804 }
2805
2806 $channel = $channel->{id};
2807 }
2808
2809 return unless @extra || length $msg;
2810
2811 if ($self->can_msg) {
2812 # default colour, mask it out
2813 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2814 if $color & cf::NDI_DEF;
2815
2816 $self->send_packet ("msg " . $self->{json_coder}->encode (
2817 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2818 } else {
2819 if ($color >= 0) {
2820 # replace some tags by gcfclient-compatible ones
2821 for ($msg) {
2822 1 while
2823 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2824 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2825 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2826 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2827 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2828 }
2829
2830 $color &= cf::NDI_COLOR_MASK;
2831
2832 utf8::encode $msg;
2833
2834 if (0 && $msg =~ /\[/) {
2835 # COMMAND/INFO
2836 $self->send_packet ("drawextinfo $color 10 8 $msg")
2837 } else {
2838 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2839 $self->send_packet ("drawinfo $color $msg")
2840 }
2841 }
2842 }
2843}
2844
2845=item $client->ext_msg ($type, @msg)
2846
2847Sends an ext event to the client.
2848
2849=cut
2850
2851sub cf::client::ext_msg($$@) {
2852 my ($self, $type, @msg) = @_;
2853
2854 if ($self->extcmd == 2) {
2855 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2856 } elsif ($self->extcmd == 1) { # TODO: remove
2857 push @msg, msgtype => "event_$type";
2858 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2859 }
2860}
2861
2862=item $client->ext_reply ($msgid, @msg)
2863
2864Sends an ext reply to the client.
2865
2866=cut
2867
2868sub cf::client::ext_reply($$@) {
2869 my ($self, $id, @msg) = @_;
2870
2871 if ($self->extcmd == 2) {
2872 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2873 } elsif ($self->extcmd == 1) {
2874 #TODO: version 1, remove
2875 unshift @msg, msgtype => "reply", msgid => $id;
2876 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2877 }
2878}
1992 2879
1993=item $success = $client->query ($flags, "text", \&cb) 2880=item $success = $client->query ($flags, "text", \&cb)
1994 2881
1995Queues a query to the client, calling the given callback with 2882Queues a query to the client, calling the given callback with
1996the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2883the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2884C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998 2885
1999Queries can fail, so check the return code. Or don't, as queries will become 2886Queries can fail, so check the return code. Or don't, as queries will
2000reliable at some point in the future. 2887become reliable at some point in the future.
2001 2888
2002=cut 2889=cut
2003 2890
2004sub cf::client::query { 2891sub cf::client::query {
2005 my ($self, $flags, $text, $cb) = @_; 2892 my ($self, $flags, $text, $cb) = @_;
2013 utf8::encode $text; 2900 utf8::encode $text;
2014 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2901 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015 2902
2016 $self->send_packet ($self->{query_queue}[0][0]) 2903 $self->send_packet ($self->{query_queue}[0][0])
2017 if @{ $self->{query_queue} } == 1; 2904 if @{ $self->{query_queue} } == 1;
2905
2906 1
2018} 2907}
2019 2908
2020cf::client->attach ( 2909cf::client->attach (
2910 on_connect => sub {
2911 my ($ns) = @_;
2912
2913 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2914 },
2021 on_reply => sub { 2915 on_reply => sub {
2022 my ($ns, $msg) = @_; 2916 my ($ns, $msg) = @_;
2023 2917
2024 # this weird shuffling is so that direct followup queries 2918 # this weird shuffling is so that direct followup queries
2025 # get handled first 2919 # get handled first
2037 } else { 2931 } else {
2038 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2932 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039 } 2933 }
2040 } 2934 }
2041 }, 2935 },
2936 on_exticmd => sub {
2937 my ($ns, $buf) = @_;
2938
2939 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2940
2941 if (ref $msg) {
2942 my ($type, $reply, @payload) =
2943 "ARRAY" eq ref $msg
2944 ? @$msg
2945 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2946
2947 my @reply;
2948
2949 if (my $cb = $EXTICMD{$type}) {
2950 @reply = $cb->($ns, @payload);
2951 }
2952
2953 $ns->ext_reply ($reply, @reply)
2954 if $reply;
2955
2956 } else {
2957 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2958 }
2959
2960 cf::override;
2961 },
2042); 2962);
2043 2963
2044=item $client->async (\&cb) 2964=item $client->async (\&cb)
2045 2965
2046Create a new coroutine, running the specified callback. The coroutine will 2966Create a new coroutine, running the specified callback. The coroutine will
2087our $safe = new Safe "safe"; 3007our $safe = new Safe "safe";
2088our $safe_hole = new Safe::Hole; 3008our $safe_hole = new Safe::Hole;
2089 3009
2090$SIG{FPE} = 'IGNORE'; 3010$SIG{FPE} = 'IGNORE';
2091 3011
2092$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3012$safe->permit_only (Opcode::opset qw(
3013 :base_core :base_mem :base_orig :base_math
3014 grepstart grepwhile mapstart mapwhile
3015 sort time
3016));
2093 3017
2094# here we export the classes and methods available to script code 3018# here we export the classes and methods available to script code
2095 3019
2096=pod 3020=pod
2097 3021
2098The following fucntions and emthods are available within a safe environment: 3022The following functions and methods are available within a safe environment:
2099 3023
2100 cf::object contr pay_amount pay_player map 3024 cf::object
3025 contr pay_amount pay_player map x y force_find force_add destroy
3026 insert remove name archname title slaying race decrease_ob_nr
3027
2101 cf::object::player player 3028 cf::object::player
2102 cf::player peaceful 3029 player
2103 cf::map trigger 3030
3031 cf::player
3032 peaceful
3033
3034 cf::map
3035 trigger
2104 3036
2105=cut 3037=cut
2106 3038
2107for ( 3039for (
2108 ["cf::object" => qw(contr pay_amount pay_player map)], 3040 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3041 insert remove inv name archname title slaying race
3042 decrease_ob_nr destroy)],
2109 ["cf::object::player" => qw(player)], 3043 ["cf::object::player" => qw(player)],
2110 ["cf::player" => qw(peaceful)], 3044 ["cf::player" => qw(peaceful)],
2111 ["cf::map" => qw(trigger)], 3045 ["cf::map" => qw(trigger)],
2112) { 3046) {
2113 no strict 'refs'; 3047 no strict 'refs';
2184=back 3118=back
2185 3119
2186=cut 3120=cut
2187 3121
2188############################################################################# 3122#############################################################################
2189
2190=head2 EXTENSION DATABASE SUPPORT
2191
2192Crossfire maintains a very simple database for extension use. It can
2193currently store anything that can be serialised using Storable, which
2194excludes objects.
2195
2196The parameter C<$family> should best start with the name of the extension
2197using it, it should be unique.
2198
2199=over 4
2200
2201=item $value = cf::db_get $family => $key
2202
2203Returns a single value from the database.
2204
2205=item cf::db_put $family => $key => $value
2206
2207Stores the given C<$value> in the family.
2208
2209=cut
2210
2211our $DB;
2212
2213sub db_init {
2214 unless ($DB) {
2215 $DB = BDB::db_create $DB_ENV;
2216
2217 cf::sync_job {
2218 eval {
2219 $DB->set_flags (BDB::CHKSUM);
2220
2221 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223 cf::cleanup "db_open(db): $!" if $!;
2224 };
2225 cf::cleanup "db_open(db): $@" if $@;
2226 };
2227
2228 my $path = cf::localdir . "/database.pst";
2229 if (stat $path) {
2230 cf::sync_job {
2231 my $pst = Storable::retrieve $path;
2232
2233 cf::db_put (board => data => $pst->{board});
2234 cf::db_put (guildrules => data => $pst->{guildrules});
2235 cf::db_put (rent => balance => $pst->{rent}{balance});
2236 BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238 unlink $path;
2239 };
2240 }
2241 }
2242}
2243
2244sub db_get($$) {
2245 my $key = "$_[0]/$_[1]";
2246
2247 cf::sync_job {
2248 BDB::db_get $DB, undef, $key, my $data;
2249
2250 $! ? ()
2251 : Compress::LZF::sthaw $data
2252 }
2253}
2254
2255sub db_put($$$) {
2256 BDB::dbreq_pri 4;
2257 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258}
2259
2260#############################################################################
2261# the server's init and main functions 3123# the server's init and main functions
2262 3124
2263sub load_resources { 3125sub load_facedata($) {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3126 my ($path) = @_;
3127
3128 # HACK to clear player env face cache, we need some signal framework
3129 # for this (global event?)
3130 %ext::player_env::MUSIC_FACE_CACHE = ();
3131
3132 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3133
3134 warn "loading facedata from $path\n";
3135
3136 my $facedata;
3137 0 < aio_load $path, $facedata
3138 or die "$path: $!";
3139
3140 $facedata = Coro::Storable::thaw $facedata;
3141
3142 $facedata->{version} == 2
3143 or cf::cleanup "$path: version mismatch, cannot proceed.";
3144
3145 # patch in the exptable
3146 $facedata->{resource}{"res/exp_table"} = {
3147 type => FT_RSRC,
3148 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3149 };
3150 cf::cede_to_tick;
3151
3152 {
3153 my $faces = $facedata->{faceinfo};
3154
3155 while (my ($face, $info) = each %$faces) {
3156 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3157
3158 cf::face::set_visibility $idx, $info->{visibility};
3159 cf::face::set_magicmap $idx, $info->{magicmap};
3160 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3161 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3162
3163 cf::cede_to_tick;
3164 }
3165
3166 while (my ($face, $info) = each %$faces) {
3167 next unless $info->{smooth};
3168
3169 my $idx = cf::face::find $face
3170 or next;
3171
3172 if (my $smooth = cf::face::find $info->{smooth}) {
3173 cf::face::set_smooth $idx, $smooth;
3174 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3175 } else {
3176 warn "smooth face '$info->{smooth}' not found for face '$face'";
3177 }
3178
3179 cf::cede_to_tick;
3180 }
3181 }
3182
3183 {
3184 my $anims = $facedata->{animinfo};
3185
3186 while (my ($anim, $info) = each %$anims) {
3187 cf::anim::set $anim, $info->{frames}, $info->{facings};
3188 cf::cede_to_tick;
3189 }
3190
3191 cf::anim::invalidate_all; # d'oh
3192 }
3193
3194 {
3195 # TODO: for gcfclient pleasure, we should give resources
3196 # that gcfclient doesn't grok a >10000 face index.
3197 my $res = $facedata->{resource};
3198
3199 while (my ($name, $info) = each %$res) {
3200 if (defined $info->{type}) {
3201 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3202 my $data;
3203
3204 if ($info->{type} & 1) {
3205 # prepend meta info
3206
3207 my $meta = $enc->encode ({
3208 name => $name,
3209 %{ $info->{meta} || {} },
3210 });
3211
3212 $data = pack "(w/a*)*", $meta, $info->{data};
3213 } else {
3214 $data = $info->{data};
3215 }
3216
3217 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3218 cf::face::set_type $idx, $info->{type};
3219 } else {
3220 $RESOURCE{$name} = $info;
3221 }
3222
3223 cf::cede_to_tick;
3224 }
3225 }
3226
3227 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3228
3229 1
3230}
3231
3232cf::global->attach (on_resource_update => sub {
3233 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3234 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3235
3236 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3237 my $sound = $soundconf->{compat}[$_]
3238 or next;
3239
3240 my $face = cf::face::find "sound/$sound->[1]";
3241 cf::sound::set $sound->[0] => $face;
3242 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3243 }
3244
3245 while (my ($k, $v) = each %{$soundconf->{event}}) {
3246 my $face = cf::face::find "sound/$v";
3247 cf::sound::set $k => $face;
3248 }
3249 }
3250});
3251
3252register_exticmd fx_want => sub {
3253 my ($ns, $want) = @_;
3254
3255 while (my ($k, $v) = each %$want) {
3256 $ns->fx_want ($k, $v);
3257 }
3258};
3259
3260sub reload_regions {
3261 # HACK to clear player env face cache, we need some signal framework
3262 # for this (global event?)
3263 %ext::player_env::MUSIC_FACE_CACHE = ();
3264
3265 load_resource_file "$MAPDIR/regions"
2265 or die "unable to load regions file\n";#d# 3266 or die "unable to load regions file\n";
2266}
2267 3267
2268sub cfg_load { 3268 for (cf::region::list) {
3269 $_->{match} = qr/$_->{match}/
3270 if exists $_->{match};
3271 }
3272}
3273
3274sub reload_facedata {
3275 load_facedata "$DATADIR/facedata"
3276 or die "unable to load facedata\n";
3277}
3278
3279sub reload_archetypes {
3280 load_resource_file "$DATADIR/archetypes"
3281 or die "unable to load archetypes\n";
3282 #d# NEED to laod twice to resolve forward references
3283 # this really needs to be done in an extra post-pass
3284 # (which needs to be synchronous, so solve it differently)
3285 load_resource_file "$DATADIR/archetypes"
3286 or die "unable to load archetypes\n";
3287}
3288
3289sub reload_treasures {
3290 load_resource_file "$DATADIR/treasures"
3291 or die "unable to load treasurelists\n";
3292}
3293
3294sub reload_resources {
3295 warn "reloading resource files...\n";
3296
3297 reload_regions;
3298 reload_facedata;
3299 #reload_archetypes;#d#
3300 reload_archetypes;
3301 reload_treasures;
3302
3303 warn "finished reloading resource files\n";
3304}
3305
3306sub init {
3307 reload_resources;
3308}
3309
3310sub reload_config {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 3311 open my $fh, "<:utf8", "$CONFDIR/config"
2270 or return; 3312 or return;
2271 3313
2272 local $/; 3314 local $/;
2273 *CFG = YAML::Syck::Load <$fh>; 3315 *CFG = YAML::Load <$fh>;
2274 3316
2275 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3317 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2276 3318
2277 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3319 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2278 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3320 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2284 }; 3326 };
2285 warn $@ if $@; 3327 warn $@ if $@;
2286 } 3328 }
2287} 3329}
2288 3330
2289sub init {
2290 load_resources;
2291}
2292
2293sub main { 3331sub main {
2294 # we must not ever block the main coroutine 3332 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 3333 local $Coro::idle = sub {
2296 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3334 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2297 (async { 3335 (async {
2298 Event::one_event; 3336 $Coro::current->{desc} = "IDLE BUG HANDLER";
3337 EV::loop EV::LOOP_ONESHOT;
2299 })->prio (Coro::PRIO_MAX); 3338 })->prio (Coro::PRIO_MAX);
2300 }; 3339 };
2301 3340
2302 cfg_load; 3341 reload_config;
2303 db_init; 3342 db_init;
2304 load_extensions; 3343 load_extensions;
2305 3344
2306 $TICK_WATCHER->start; 3345 $TICK_WATCHER->start;
3346 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2307 Event::loop; 3347 EV::loop;
2308} 3348}
2309 3349
2310############################################################################# 3350#############################################################################
2311# initialisation and cleanup 3351# initialisation and cleanup
2312 3352
2313# install some emergency cleanup handlers 3353# install some emergency cleanup handlers
2314BEGIN { 3354BEGIN {
3355 our %SIGWATCHER = ();
2315 for my $signal (qw(INT HUP TERM)) { 3356 for my $signal (qw(INT HUP TERM)) {
2316 Event->signal ( 3357 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2317 reentrant => 0,
2318 data => WF_AUTOCANCEL,
2319 signal => $signal,
2320 prio => 0,
2321 cb => sub {
2322 cf::cleanup "SIG$signal"; 3358 cf::cleanup "SIG$signal";
2323 },
2324 ); 3359 };
3360 }
3361}
3362
3363sub write_runtime {
3364 my $runtime = "$LOCALDIR/runtime";
3365
3366 # first touch the runtime file to show we are still running:
3367 # the fsync below can take a very very long time.
3368
3369 IO::AIO::aio_utime $runtime, undef, undef;
3370
3371 my $guard = cf::lock_acquire "write_runtime";
3372
3373 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3374 or return;
3375
3376 my $value = $cf::RUNTIME + 90 + 10;
3377 # 10 is the runtime save interval, for a monotonic clock
3378 # 60 allows for the watchdog to kill the server.
3379
3380 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3381 and return;
3382
3383 # always fsync - this file is important
3384 aio_fsync $fh
3385 and return;
3386
3387 # touch it again to show we are up-to-date
3388 aio_utime $fh, undef, undef;
3389
3390 close $fh
3391 or return;
3392
3393 aio_rename "$runtime~", $runtime
3394 and return;
3395
3396 warn "runtime file written.\n";
3397
2325 } 3398 1
2326} 3399}
2327 3400
2328sub emergency_save() { 3401sub emergency_save() {
2329 my $freeze_guard = cf::freeze_mainloop; 3402 my $freeze_guard = cf::freeze_mainloop;
2330 3403
2336 # and maps saved/destroyed asynchronously. 3409 # and maps saved/destroyed asynchronously.
2337 warn "begin emergency player save\n"; 3410 warn "begin emergency player save\n";
2338 for my $login (keys %cf::PLAYER) { 3411 for my $login (keys %cf::PLAYER) {
2339 my $pl = $cf::PLAYER{$login} or next; 3412 my $pl = $cf::PLAYER{$login} or next;
2340 $pl->valid or next; 3413 $pl->valid or next;
3414 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2341 $pl->save; 3415 $pl->save;
2342 } 3416 }
2343 warn "end emergency player save\n"; 3417 warn "end emergency player save\n";
2344 3418
2345 warn "begin emergency map save\n"; 3419 warn "begin emergency map save\n";
2363 3437
2364 warn Carp::longmess "post_cleanup backtrace" 3438 warn Carp::longmess "post_cleanup backtrace"
2365 if $make_core; 3439 if $make_core;
2366} 3440}
2367 3441
2368sub reload() { 3442sub do_reload_perl() {
2369 # can/must only be called in main 3443 # can/must only be called in main
2370 if ($Coro::current != $Coro::main) { 3444 if ($Coro::current != $Coro::main) {
2371 warn "can only reload from main coroutine"; 3445 warn "can only reload from main coroutine";
2372 return; 3446 return;
2373 } 3447 }
2374 3448
2375 warn "reloading..."; 3449 warn "reloading...";
2376 3450
2377 warn "cancelling server ticker"; 3451 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 3452
3453 cf::sync_job {
3454 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 3455 cf::emergency_save;
3456 cf::write_runtime; # external watchdog should not bark
2381 3457
2382 eval { 3458 warn "syncing database to disk";
3459 BDB::db_env_txn_checkpoint $DB_ENV;
3460
2383 # if anything goes wrong in here, we should simply crash as we already saved 3461 # if anything goes wrong in here, we should simply crash as we already saved
2384
2385 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 3462
2393 warn "flushing outstanding aio requests"; 3463 warn "flushing outstanding aio requests";
2394 for (;;) { 3464 for (;;) {
2395 BDB::flush; 3465 BDB::flush;
2396 IO::AIO::flush; 3466 IO::AIO::flush;
2397 Coro::cede; 3467 Coro::cede_notself;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 3468 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 3469 warn "iterate...";
2400 } 3470 }
3471
3472 ++$RELOAD;
2401 3473
2402 warn "cancelling all extension coros"; 3474 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 3475 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 3476 %EXT_CORO = ();
2405 3477
2406 warn "removing commands"; 3478 warn "removing commands";
2407 %COMMAND = (); 3479 %COMMAND = ();
2408 3480
2409 warn "removing ext commands"; 3481 warn "removing ext/exti commands";
2410 %EXTCMD = (); 3482 %EXTCMD = ();
3483 %EXTICMD = ();
2411 3484
2412 warn "unloading/nuking all extensions"; 3485 warn "unloading/nuking all extensions";
2413 for my $pkg (@EXTS) { 3486 for my $pkg (@EXTS) {
2414 warn "... unloading $pkg"; 3487 warn "... unloading $pkg";
2415 3488
2445 Symbol::delete_package "safe::$_" 3518 Symbol::delete_package "safe::$_"
2446 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3519 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447 3520
2448 warn "unloading cf.pm \"a bit\""; 3521 warn "unloading cf.pm \"a bit\"";
2449 delete $INC{"cf.pm"}; 3522 delete $INC{"cf.pm"};
3523 delete $INC{"cf/pod.pm"};
2450 3524
2451 # don't, removes xs symbols, too, 3525 # don't, removes xs symbols, too,
2452 # and global variables created in xs 3526 # and global variables created in xs
2453 #Symbol::delete_package __PACKAGE__; 3527 #Symbol::delete_package __PACKAGE__;
2454 3528
2457 warn "reloading cf.pm"; 3531 warn "reloading cf.pm";
2458 require cf; 3532 require cf;
2459 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3533 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460 3534
2461 warn "loading config and database again"; 3535 warn "loading config and database again";
2462 cf::cfg_load; 3536 cf::reload_config;
2463 3537
2464 warn "loading extensions"; 3538 warn "loading extensions";
2465 cf::load_extensions; 3539 cf::load_extensions;
2466 3540
2467 warn "reattaching attachments to objects/players"; 3541 warn "reattaching attachments to objects/players";
2468 _global_reattach; 3542 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 3543 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 3544 reattach $_ for values %MAP;
3545 warn "reattaching attachments to players";
3546 reattach $_ for values %PLAYER;
2471 3547
2472 warn "loading reloadable resources"; 3548 warn "leaving sync_job";
2473 load_resources;
2474 3549
2475 warn "restarting server ticker"; 3550 1
2476 3551 } or do {
2477 $TICK_WATCHER->start;
2478 };
2479
2480 if ($@) {
2481 warn $@; 3552 warn $@;
2482 warn "error while reloading, exiting."; 3553 warn "error while reloading, exiting.";
2483 exit 1; 3554 exit 1;
2484 } 3555 };
2485 3556
2486 warn "reloaded"; 3557 warn "reloaded";
2487}; 3558};
2488 3559
2489our $RELOAD_WATCHER; # used only during reload 3560our $RELOAD_WATCHER; # used only during reload
2490 3561
3562sub reload_perl() {
3563 # doing reload synchronously and two reloads happen back-to-back,
3564 # coro crashes during coro_state_free->destroy here.
3565
3566 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3567 undef $RELOAD_WATCHER;
3568 do_reload_perl;
3569 };
3570}
3571
2491register_command "reload" => sub { 3572register_command "reload" => sub {
2492 my ($who, $arg) = @_; 3573 my ($who, $arg) = @_;
2493 3574
2494 if ($who->flag (FLAG_WIZ)) { 3575 if ($who->flag (FLAG_WIZ)) {
2495 $who->message ("reloading server."); 3576 $who->message ("reloading server.");
2496 3577 async {
2497 # doing reload synchronously and two reloads happen back-to-back, 3578 $Coro::current->{desc} = "perl_reload";
2498 # coro crashes during coro_state_free->destroy here.
2499
2500 $RELOAD_WATCHER ||= Event->timer (
2501 reentrant => 0,
2502 after => 0,
2503 data => WF_AUTOCANCEL,
2504 cb => sub {
2505 reload; 3579 reload_perl;
2506 undef $RELOAD_WATCHER;
2507 },
2508 ); 3580 };
2509 } 3581 }
2510}; 3582};
2511 3583
2512unshift @INC, $LIBDIR; 3584unshift @INC, $LIBDIR;
2513 3585
2514my $bug_warning = 0; 3586my $bug_warning = 0;
2515 3587
2516$TICK_WATCHER = Event->timer ( 3588our @WAIT_FOR_TICK;
2517 reentrant => 0, 3589our @WAIT_FOR_TICK_BEGIN;
2518 parked => 1, 3590
2519 prio => 0, 3591sub wait_for_tick {
2520 at => $NEXT_TICK || $TICK, 3592 return unless $TICK_WATCHER->is_active;
2521 data => WF_AUTOCANCEL, 3593 return if $Coro::current == $Coro::main;
2522 cb => sub { 3594
3595 my $signal = new Coro::Signal;
3596 push @WAIT_FOR_TICK, $signal;
3597 $signal->wait;
3598}
3599
3600sub wait_for_tick_begin {
3601 return unless $TICK_WATCHER->is_active;
3602 return if $Coro::current == $Coro::main;
3603
3604 my $signal = new Coro::Signal;
3605 push @WAIT_FOR_TICK_BEGIN, $signal;
3606 $signal->wait;
3607}
3608
3609$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2523 if ($Coro::current != $Coro::main) { 3610 if ($Coro::current != $Coro::main) {
2524 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3611 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2525 unless ++$bug_warning > 10; 3612 unless ++$bug_warning > 10;
2526 return; 3613 return;
2527 } 3614 }
2528 3615
2529 $NOW = Event::time; 3616 $NOW = $tick_start = EV::now;
2530 3617
2531 cf::server_tick; # one server iteration 3618 cf::server_tick; # one server iteration
3619
2532 $RUNTIME += $TICK; 3620 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK; 3621 $NEXT_TICK = $_[0]->at;
2534 3622
2535 $WAIT_FOR_TICK->broadcast; 3623 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3624 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2537 3625 Coro::async_pool {
2538 Event::sweep; 3626 $Coro::current->{desc} = "runtime saver";
2539 Coro::cede_notself; 3627 write_runtime
3628 or warn "ERROR: unable to write runtime file: $!";
2540 3629 };
2541# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d#
2543
2544 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2546
2547 $TICK_WATCHER->at ($NEXT_TICK);
2548 $TICK_WATCHER->start;
2549 }, 3630 }
2550); 3631
3632 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3633 $sig->send;
3634 }
3635 while (my $sig = shift @WAIT_FOR_TICK) {
3636 $sig->send;
3637 }
3638
3639 $LOAD = ($NOW - $tick_start) / $TICK;
3640 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3641
3642 _post_tick;
3643};
3644$TICK_WATCHER->priority (EV::MAXPRI);
2551 3645
2552{ 3646{
2553 BDB::max_poll_time $TICK * 0.1; 3647 # configure BDB
2554 $BDB_POLL_WATCHER = Event->io ( 3648
2555 reentrant => 0,
2556 fd => BDB::poll_fileno,
2557 poll => 'r',
2558 prio => 0,
2559 data => WF_AUTOCANCEL,
2560 cb => \&BDB::poll_cb,
2561 );
2562 BDB::min_parallel 8; 3649 BDB::min_parallel 8;
2563 3650 BDB::max_poll_reqs $TICK * 0.1;
2564 BDB::set_sync_prepare { 3651 $Coro::BDB::WATCHER->priority (1);
2565 my $status;
2566 my $current = $Coro::current;
2567 (
2568 sub {
2569 $status = $!;
2570 $current->ready; undef $current;
2571 },
2572 sub {
2573 Coro::schedule while defined $current;
2574 $! = $status;
2575 },
2576 )
2577 };
2578 3652
2579 unless ($DB_ENV) { 3653 unless ($DB_ENV) {
2580 $DB_ENV = BDB::db_env_create; 3654 $DB_ENV = BDB::db_env_create;
3655 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3656 | BDB::LOG_AUTOREMOVE, 1);
3657 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3658 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2581 3659
2582 cf::sync_job { 3660 cf::sync_job {
2583 eval { 3661 eval {
2584 BDB::db_env_open 3662 BDB::db_env_open
2585 $DB_ENV, 3663 $DB_ENV,
2586 $BDB_ENV_DIR, 3664 $BDBDIR,
2587 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3665 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2588 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3666 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2589 0666; 3667 0666;
2590 3668
2591 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3669 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2592
2593 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2594 $DB_ENV->set_lk_detect;
2595 }; 3670 };
2596 3671
2597 cf::cleanup "db_env_open(db): $@" if $@; 3672 cf::cleanup "db_env_open(db): $@" if $@;
2598 }; 3673 };
2599 } 3674 }
3675
3676 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3677 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3678 };
3679 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3680 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3681 };
3682 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3683 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3684 };
2600} 3685}
2601 3686
2602{ 3687{
3688 # configure IO::AIO
3689
2603 IO::AIO::min_parallel 8; 3690 IO::AIO::min_parallel 8;
2604
2605 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 3691 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 3692 $Coro::AIO::WATCHER->priority (1);
2608 reentrant => 0,
2609 fd => IO::AIO::poll_fileno,
2610 poll => 'r',
2611 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb,
2614 );
2615} 3693}
2616 3694
2617$WRITE_RUNTIME_WATCHER = Event->timer ( 3695my $_log_backtrace;
2618 reentrant => 0, 3696
2619 data => WF_AUTOCANCEL, 3697sub _log_backtrace {
2620 after => 1, 3698 my ($msg, @addr) = @_;
2621 interval => 10, 3699
2622 prio => 6, # keep it lowest so it acts like a watchdog 3700 $msg =~ s/\n//;
2623 cb => Coro::unblock_sub { 3701
2624 write_runtime 3702 # limit the # of concurrent backtraces
2625 or warn "ERROR: unable to write runtime file: $!"; 3703 if ($_log_backtrace < 2) {
3704 ++$_log_backtrace;
3705 async {
3706 $Coro::current->{desc} = "abt $msg";
3707
3708 my @bt = fork_call {
3709 @addr = map { sprintf "%x", $_ } @addr;
3710 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3711 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3712 or die "addr2line: $!";
3713
3714 my @funcs;
3715 my @res = <$fh>;
3716 chomp for @res;
3717 while (@res) {
3718 my ($func, $line) = splice @res, 0, 2, ();
3719 push @funcs, "[$func] $line";
3720 }
3721
3722 @funcs
3723 };
3724
3725 LOG llevInfo, "[ABT] $msg\n";
3726 LOG llevInfo, "[ABT] $_\n" for @bt;
3727 --$_log_backtrace;
3728 };
3729 } else {
3730 LOG llevInfo, "[ABT] $msg\n";
3731 LOG llevInfo, "[ABT] [suppressed]\n";
2626 }, 3732 }
2627); 3733}
3734
3735# load additional modules
3736use cf::pod;
2628 3737
2629END { cf::emergency_save } 3738END { cf::emergency_save }
2630 3739
26311 37401
2632 3741

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