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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 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;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.5 (); 15use Coro 4.1 ();
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::Storable;
24use Coro::Util ();
19 25
26use JSON::XS 2.01 ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.51 ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::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 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
31use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 42
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 44$YAML::Syck::ImplicitUnicode = 1;
37 45
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 46$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 47
48sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49
40our %COMMAND = (); 50our %COMMAND = ();
41our %COMMAND_TIME = (); 51our %COMMAND_TIME = ();
42 52
43our @EXTS = (); # list of extension package names 53our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 54our %EXTCMD = ();
55our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 56our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 57our %EXT_MAP = (); # pluggable maps
47 58
59our $RELOAD; # number of reloads so far
48our @EVENT; 60our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 61
51our $TICK = MAX_TIME * 1e-6; 62our $CONFDIR = confdir;
63our $DATADIR = datadir;
64our $LIBDIR = "$DATADIR/ext";
65our $PODDIR = "$DATADIR/pod";
66our $MAPDIR = "$DATADIR/" . mapdir;
67our $LOCALDIR = localdir;
68our $TMPDIR = "$LOCALDIR/" . tmpdir;
69our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71our $RANDOMDIR = "$LOCALDIR/random";
72our $BDBDIR = "$LOCALDIR/db";
73
74our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 75our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 76our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 78our $NEXT_TICK;
56our $NOW; 79our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 80our $USE_FSYNC = 1; # use fsync to write maps - default off
58 81
59our $BDB_POLL_WATCHER; 82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 86our $DB_ENV;
61 87
62our %CFG; 88our %CFG;
63 89
64our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 91our $RUNTIME;
66 92
67our %PLAYER; # all users 93our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 94our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 95our $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 96
76# used to convert map paths into valid unix filenames by replacing / by ∕ 97# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 98our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 99
100our $LOAD; # a number between 0 (idle) and 1 (too many objects)
101our $LOADAVG; # same thing, but with alpha-smoothing
102our $tick_start; # for load detecting purposes
103
79binmode STDOUT; 104binmode STDOUT;
80binmode STDERR; 105binmode STDERR;
81 106
82# read virtual server time, if available 107# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 108unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 109 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 110 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 111 $RUNTIME = <$fh> + 0.;
87} 112}
88 113
89mkdir cf::localdir; 114mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 115 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 116
96our $EMERGENCY_POSITION; 117our $EMERGENCY_POSITION;
97 118
98sub cf::map::normalise; 119sub cf::map::normalise;
99 120
… …
110=item $cf::RUNTIME 131=item $cf::RUNTIME
111 132
112The time this server has run, starts at 0 and is increased by $cf::TICK on 133The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 134every server tick.
114 135
115=item $cf::LIBDIR 136=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
137$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
138$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 139
117The perl library directory, where extensions and cf-specific modules can 140Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 141directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142unique-items directory, player file directory, random maps directory and
143database environment.
119 144
120=item $cf::NOW 145=item $cf::NOW
121 146
122The time of the last (current) server tick. 147The time of the last (current) server tick.
123 148
124=item $cf::TICK 149=item $cf::TICK
125 150
126The interval between server ticks, in seconds. 151The interval between server ticks, in seconds.
127 152
153=item $cf::LOADAVG
154
155The current CPU load on the server (alpha-smoothed), as a value between 0
156(none) and 1 (overloaded), indicating how much time is spent on processing
157objects per tick. Healthy values are < 0.5.
158
159=item $cf::LOAD
160
161The raw value load value from the last tick.
162
128=item %cf::CFG 163=item %cf::CFG
129 164
130Configuration for the server, loaded from C</etc/crossfire/config>, or 165Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131from wherever your confdir points to. 166from wherever your confdir points to.
132 167
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 168=item cf::wait_for_tick, cf::wait_for_tick_begin
134 169
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 170These 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 171returns 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 172per 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. 173
174=item @cf::INVOKE_RESULTS
175
176This array contains the results of the last C<invoke ()> call. When
177C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
178that call.
139 179
140=back 180=back
141 181
142=cut 182=cut
143 183
144BEGIN { 184BEGIN {
145 *CORE::GLOBAL::warn = sub { 185 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 186 my $msg = join "", @_;
147 utf8::encode $msg;
148 187
149 $msg .= "\n" 188 $msg .= "\n"
150 unless $msg =~ /\n$/; 189 unless $msg =~ /\n$/;
190
191 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 192
152 LOG llevError, $msg; 193 LOG llevError, $msg;
153 }; 194 };
154} 195}
155 196
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 201@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
202@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 203@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 204
163# we bless all objects into (empty) derived classes to force a method lookup 205# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 206# within the Safe compartment.
165for my $pkg (qw( 207for my $pkg (qw(
166 cf::global cf::attachable 208 cf::global cf::attachable
… …
171)) { 213)) {
172 no strict 'refs'; 214 no strict 'refs';
173 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174} 216}
175 217
176$Event::DIED = sub { 218$EV::DIED = sub {
177 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
178}; 220};
221
222#############################################################################
179 223
180=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
181 225
182=over 4 226=over 4
183 227
… …
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 246 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 247 $d
204 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
205} 249}
206 250
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 251=item $ref = cf::decode_json $json
210 252
211Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
212 254
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 255=item $json = cf::encode_json $ref
221 256
222Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
223 258
224=cut 259=cut
225 260
226sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
228 JSON::Syck::Dump $_[0] 263sub encode_json($) { $json_coder->encode ($_[0]) }
229} 264sub decode_json($) { $json_coder->decode ($_[0]) }
230 265
231=item cf::lock_wait $string 266=item cf::lock_wait $string
232 267
233Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
234 269
… …
237Wait until the given lock is available and then acquires it and returns 272Wait 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, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
240returned. 275returned.
241 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
242Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
244 282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
286
245=cut 287=cut
246 288
247our %LOCK; 289our %LOCK;
290our %LOCKER;#d#
248 291
249sub lock_wait($) { 292sub lock_wait($) {
250 my ($key) = @_; 293 my ($key) = @_;
294
295 if ($LOCKER{$key} == $Coro::current) {#d#
296 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297 return;#d#
298 }#d#
251 299
252 # wait for lock, if any 300 # wait for lock, if any
253 while ($LOCK{$key}) { 301 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 302 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 303 Coro::schedule;
… …
261 309
262 # wait, to be sure we are not locked 310 # wait, to be sure we are not locked
263 lock_wait $key; 311 lock_wait $key;
264 312
265 $LOCK{$key} = []; 313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
266 315
267 Coro::guard { 316 Coro::guard {
317 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 318 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 319 $_->ready for @{ delete $LOCK{$key} };
270 } 320 }
321}
322
323sub lock_active($) {
324 my ($key) = @_;
325
326 ! ! $LOCK{$key}
271} 327}
272 328
273sub freeze_mainloop { 329sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 330 return unless $TICK_WATCHER->is_active;
275 331
… …
278 }; 334 };
279 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
280 $guard 336 $guard
281} 337}
282 338
339=item cf::periodic $interval, $cb
340
341Like EV::periodic, but randomly selects a starting point so that the actions
342get spread over timer.
343
344=cut
345
346sub periodic($$) {
347 my ($interval, $cb) = @_;
348
349 my $start = rand List::Util::min 180, $interval;
350
351 EV::periodic $start, $interval, 0, $cb
352}
353
354=item cf::get_slot $time[, $priority[, $name]]
355
356Allocate $time seconds of blocking CPU time at priority C<$priority>:
357This call blocks and returns only when you have at least C<$time> seconds
358of cpu time till the next tick. The slot is only valid till the next cede.
359
360The optional C<$name> can be used to identify the job to run. It might be
361used for statistical purposes and should identify the same time-class.
362
363Useful for short background jobs.
364
365=cut
366
367our @SLOT_QUEUE;
368our $SLOT_QUEUE;
369
370$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371$SLOT_QUEUE = Coro::async {
372 $Coro::current->desc ("timeslot manager");
373
374 my $signal = new Coro::Signal;
375
376 while () {
377 next_job:
378 my $avail = cf::till_tick;
379 if ($avail > 0.01) {
380 for (0 .. $#SLOT_QUEUE) {
381 if ($SLOT_QUEUE[$_][0] < $avail) {
382 my $job = splice @SLOT_QUEUE, $_, 1, ();
383 $job->[2]->send;
384 Coro::cede;
385 goto next_job;
386 }
387 }
388 }
389
390 if (@SLOT_QUEUE) {
391 # we do not use wait_for_tick() as it returns immediately when tick is inactive
392 push @cf::WAIT_FOR_TICK, $signal;
393 $signal->wait;
394 } else {
395 Coro::schedule;
396 }
397 }
398};
399
400sub get_slot($;$$) {
401 my ($time, $pri, $name) = @_;
402
403 $time = $TICK * .6 if $time > $TICK * .6;
404 my $sig = new Coro::Signal;
405
406 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408 $SLOT_QUEUE->ready;
409 $sig->wait;
410}
411
283=item cf::async { BLOCK } 412=item cf::async { BLOCK }
284 413
285Currently the same as Coro::async_pool, meaning you cannot use 414Currently the same as Coro::async_pool, meaning you cannot use
286C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 415C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287thing you are allowed to do is call C<prio> on it. 416thing you are allowed to do is call C<prio> on it.
… …
290 419
291BEGIN { *async = \&Coro::async_pool } 420BEGIN { *async = \&Coro::async_pool }
292 421
293=item cf::sync_job { BLOCK } 422=item cf::sync_job { BLOCK }
294 423
295The design of crossfire+ requires that the main coro ($Coro::main) is 424The design of Deliantra requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 425is always able to handle events or runnable, as Deliantra is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 426partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
427acceptable.
298 428
299If it must be done, put the blocking parts into C<sync_job>. This will run 429If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 430the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 431server will be frozen during this time, so the block should either finish
302fast or be very important. 432fast or be very important.
… …
305 435
306sub sync_job(&) { 436sub sync_job(&) {
307 my ($job) = @_; 437 my ($job) = @_;
308 438
309 if ($Coro::current == $Coro::main) { 439 if ($Coro::current == $Coro::main) {
440 my $time = EV::time;
441
310 # this is the main coro, too bad, we have to block 442 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 443 # till the operation succeeds, freezing the server :/
312 444
445 LOG llevError, Carp::longmess "sync job";#d#
446
313 # TODO: use suspend/resume instead 447 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 448 # (but this is cancel-safe)
315 my $freeze_guard = freeze_mainloop; 449 my $freeze_guard = freeze_mainloop;
316 450
317 my $busy = 1; 451 my $busy = 1;
318 my @res; 452 my @res;
319 453
320 (async { 454 (async {
455 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 456 @res = eval { $job->() };
322 warn $@ if $@; 457 warn $@ if $@;
323 undef $busy; 458 undef $busy;
324 })->prio (Coro::PRIO_MAX); 459 })->prio (Coro::PRIO_MAX);
325 460
326 while ($busy) { 461 while ($busy) {
327 Coro::cede or Event::one_event; 462 if (Coro::nready) {
463 Coro::cede_notself;
464 } else {
465 EV::loop EV::LOOP_ONESHOT;
328 } 466 }
467 }
468
469 $time = EV::time - $time;
470
471 LOG llevError | logBacktrace, Carp::longmess "long sync job"
472 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474 $tick_start += $time; # do not account sync jobs to server load
329 475
330 wantarray ? @res : $res[0] 476 wantarray ? @res : $res[0]
331 } else { 477 } else {
332 # we are in another coroutine, how wonderful, everything just works 478 # we are in another coroutine, how wonderful, everything just works
333 479
… …
353 $EXT_CORO{$coro+0} = $coro; 499 $EXT_CORO{$coro+0} = $coro;
354 500
355 $coro 501 $coro
356} 502}
357 503
358sub write_runtime { 504=item fork_call { }, $args
359 my $guard = cf::lock_acquire "write_runtime";
360 505
361 my $runtime = cf::localdir . "/runtime"; 506Executes the given code block with the given arguments in a seperate
507process, returning the results. Everything must be serialisable with
508Coro::Storable. May, of course, block. Note that the executed sub may
509never block itself or use any form of event handling.
362 510
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 511=cut
364 or return;
365 512
366 my $value = $cf::RUNTIME + 90 + 10; 513sub fork_call(&@) {
367 # 10 is the runtime save interval, for a monotonic clock 514 my ($cb, @args) = @_;
368 # 60 allows for the watchdog to kill the server.
369 515
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 516 # we seemingly have to make a local copy of the whole thing,
371 and return; 517 # otherwise perl prematurely frees the stuff :/
518 # TODO: investigate and fix (likely this will be rather laborious)
372 519
373 # always fsync - this file is important 520 my @res = Coro::Util::fork_eval {
374 aio_fsync $fh 521 reset_signals;
375 and return; 522 &$cb
523 }, @args;
376 524
377 close $fh 525 wantarray ? @res : $res[-1]
378 or return; 526}
379 527
380 aio_rename "$runtime~", $runtime 528=item $value = cf::db_get $family => $key
381 and return;
382 529
530Returns a single value from the environment database.
531
532=item cf::db_put $family => $key => $value
533
534Stores the given C<$value> in the family. It can currently store binary
535data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
536
537=item $db = cf::db_table "name"
538
539Create and/or open a new database table. The string must not be "db" and must be unique
540within each server.
541
542=cut
543
544sub db_table($) {
545 my ($name) = @_;
546 my $db = BDB::db_create $DB_ENV;
547
548 eval {
549 $db->set_flags (BDB::CHKSUM);
550
551 utf8::encode $name;
552 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
553 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
554 cf::cleanup "db_open(db): $!" if $!;
555 };
556 cf::cleanup "db_open(db): $@" if $@;
557
558 $db
559}
560
561our $DB;
562
563sub db_init {
564 cf::sync_job {
565 $DB ||= db_table "db";
566 };
567}
568
569sub db_get($$) {
570 my $key = "$_[0]/$_[1]";
571
572 cf::sync_job {
573 BDB::db_get $DB, undef, $key, my $data;
574
575 $! ? ()
576 : $data
383 1 577 }
578}
579
580sub db_put($$$) {
581 BDB::dbreq_pri 4;
582 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
583}
584
585=item cf::cache $id => [$paths...], $processversion => $process
586
587Generic caching function that returns the value of the resource $id,
588caching and regenerating as required.
589
590This function can block.
591
592=cut
593
594sub cache {
595 my ($id, $src, $processversion, $process) = @_;
596
597 my $meta =
598 join "\x00",
599 $processversion,
600 map {
601 aio_stat $_
602 and Carp::croak "$_: $!";
603
604 ($_, (stat _)[7,9])
605 } @$src;
606
607 my $dbmeta = db_get cache => "$id/meta";
608 if ($dbmeta ne $meta) {
609 # changed, we may need to process
610
611 my @data;
612 my $md5;
613
614 for (0 .. $#$src) {
615 0 <= aio_load $src->[$_], $data[$_]
616 or Carp::croak "$src->[$_]: $!";
617 }
618
619 # if processing is expensive, check
620 # checksum first
621 if (1) {
622 $md5 =
623 join "\x00",
624 $processversion,
625 map {
626 cf::cede_to_tick;
627 ($src->[$_], Digest::MD5::md5_hex $data[$_])
628 } 0.. $#$src;
629
630
631 my $dbmd5 = db_get cache => "$id/md5";
632 if ($dbmd5 eq $md5) {
633 db_put cache => "$id/meta", $meta;
634
635 return db_get cache => "$id/data";
636 }
637 }
638
639 my $t1 = Time::HiRes::time;
640 my $data = $process->(\@data);
641 my $t2 = Time::HiRes::time;
642
643 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
644
645 db_put cache => "$id/data", $data;
646 db_put cache => "$id/md5" , $md5;
647 db_put cache => "$id/meta", $meta;
648
649 return $data;
650 }
651
652 db_get cache => "$id/data"
653}
654
655=item cf::datalog type => key => value, ...
656
657Log a datalog packet of the given type with the given key-value pairs.
658
659=cut
660
661sub datalog($@) {
662 my ($type, %kv) = @_;
663 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 664}
385 665
386=back 666=back
387 667
388=cut 668=cut
… …
395attach callbacks/event handlers (a collection of which is called an "attachment") 675attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 676to it. All such attachable objects support the following methods.
397 677
398In the following description, CLASS can be any of C<global>, C<object> 678In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 679C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 680Deliantra).
401 681
402=over 4 682=over 4
403 683
404=item $attachable->attach ($attachment, key => $value...) 684=item $attachable->attach ($attachment, key => $value...)
405 685
… …
568 $registry = $CB_TYPE[$object_type] ||= []; 848 $registry = $CB_TYPE[$object_type] ||= [];
569 849
570 } elsif ($type eq "subtype") { 850 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 851 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 852 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 853 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 854
575 } elsif ($type eq "package") { 855 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 856 my $pkg = shift @arg;
577 857
578 while (my ($name, $id) = each %cb_id) { 858 while (my ($name, $id) = each %cb_id) {
… …
607 _attach $registry, $klass, @attach; 887 _attach $registry, $klass, @attach;
608 } 888 }
609 889
610 $obj->{$name} = \%arg; 890 $obj->{$name} = \%arg;
611 } else { 891 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 892 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 893 }
614 894
615 $obj->{_attachment}{$name} = undef; 895 $obj->{_attachment}{$name} = undef;
616} 896}
617 897
… …
619 if (ref $_[0]) { 899 if (ref $_[0]) {
620 _object_attach @_; 900 _object_attach @_;
621 } else { 901 } else {
622 _attach shift->_attach_registry, @_; 902 _attach shift->_attach_registry, @_;
623 } 903 }
904 _recalc_want;
624}; 905};
625 906
626# all those should be optimised 907# all those should be optimised
627sub cf::attachable::detach { 908sub cf::attachable::detach {
628 my ($obj, $name) = @_; 909 my ($obj, $name) = @_;
… …
631 delete $obj->{_attachment}{$name}; 912 delete $obj->{_attachment}{$name};
632 reattach ($obj); 913 reattach ($obj);
633 } else { 914 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 915 Carp::croak "cannot, currently, detach class attachments";
635 } 916 }
917 _recalc_want;
636}; 918};
637 919
638sub cf::attachable::attached { 920sub cf::attachable::attached {
639 my ($obj, $name) = @_; 921 my ($obj, $name) = @_;
640 922
… …
655 "; 937 ";
656 die if $@; 938 die if $@;
657} 939}
658 940
659our $override; 941our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 942our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 943
662sub override { 944sub override {
663 $override = 1; 945 $override = 1;
664 @invoke_results = (); 946 @INVOKE_RESULTS = (@_);
665} 947}
666 948
667sub do_invoke { 949sub do_invoke {
668 my $event = shift; 950 my $event = shift;
669 my $callbacks = shift; 951 my $callbacks = shift;
670 952
671 @invoke_results = (); 953 @INVOKE_RESULTS = ();
672 954
673 local $override; 955 local $override;
674 956
675 for (@$callbacks) { 957 for (@$callbacks) {
676 eval { &{$_->[1]} }; 958 eval { &{$_->[1]} };
… …
693 975
694Generate an object-specific event with the given arguments. 976Generate an object-specific event with the given arguments.
695 977
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 978This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 979removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 980results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 981
700=back 982=back
701 983
702=cut 984=cut
703 985
704############################################################################# 986#############################################################################
705# object support 987# object support
988
989sub _object_equal($$);
990sub _object_equal($$) {
991 my ($a, $b) = @_;
992
993 return 0 unless (ref $a) eq (ref $b);
994
995 if ("HASH" eq ref $a) {
996 my @ka = keys %$a;
997 my @kb = keys %$b;
998
999 return 0 if @ka != @kb;
1000
1001 for (0 .. $#ka) {
1002 return 0 unless $ka[$_] eq $kb[$_];
1003 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1004 }
1005
1006 } elsif ("ARRAY" eq ref $a) {
1007
1008 return 0 if @$a != @$b;
1009
1010 for (0 .. $#$a) {
1011 return 0 unless _object_equal $a->[$_], $b->[$_];
1012 }
1013
1014 } elsif ($a ne $b) {
1015 return 0;
1016 }
1017
1018 1
1019}
1020
1021our $SLOW_MERGES;#d#
1022sub _can_merge {
1023 my ($ob1, $ob2) = @_;
1024
1025 ++$SLOW_MERGES;#d#
1026
1027 # we do the slow way here
1028 return _object_equal $ob1, $ob2
1029}
706 1030
707sub reattach { 1031sub reattach {
708 # basically do the same as instantiate, without calling instantiate 1032 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 1033 my ($obj) = @_;
710 1034
… …
731cf::attachable->attach ( 1055cf::attachable->attach (
732 prio => -1000000, 1056 prio => -1000000,
733 on_instantiate => sub { 1057 on_instantiate => sub {
734 my ($obj, $data) = @_; 1058 my ($obj, $data) = @_;
735 1059
736 $data = from_json $data; 1060 $data = decode_json $data;
737 1061
738 for (@$data) { 1062 for (@$data) {
739 my ($name, $args) = @$_; 1063 my ($name, $args) = @$_;
740 1064
741 $obj->attach ($name, %{$args || {} }); 1065 $obj->attach ($name, %{$args || {} });
… …
757sub object_freezer_save { 1081sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1082 my ($filename, $rdata, $objs) = @_;
759 1083
760 sync_job { 1084 sync_job {
761 if (length $$rdata) { 1085 if (length $$rdata) {
1086 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1087 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1088 $decname, length $$rdata, scalar @$objs;
764 1089
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1090 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1091 chmod SAVE_MODE, $fh;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1092 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1093 aio_fsync $fh if $cf::USE_FSYNC;
769 close $fh; 1094 close $fh;
770 1095
771 if (@$objs) { 1096 if (@$objs) {
772 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1097 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773 chmod SAVE_MODE, $fh; 1098 chmod SAVE_MODE, $fh;
774 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1099 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775 aio_write $fh, 0, (length $data), $data, 0; 1100 aio_write $fh, 0, (length $data), $data, 0;
776 aio_fsync $fh if $cf::USE_FSYNC; 1101 aio_fsync $fh if $cf::USE_FSYNC;
777 close $fh; 1102 close $fh;
778 aio_rename "$filename.pst~", "$filename.pst"; 1103 aio_rename "$filename.pst~", "$filename.pst";
779 } 1104 }
… …
787 } 1112 }
788 } else { 1113 } else {
789 aio_unlink $filename; 1114 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1115 aio_unlink "$filename.pst";
791 } 1116 }
792 } 1117 };
793} 1118}
794 1119
795sub object_freezer_as_string { 1120sub object_freezer_as_string {
796 my ($rdata, $objs) = @_; 1121 my ($rdata, $objs) = @_;
797 1122
… …
809 or return; 1134 or return;
810 1135
811 unless (aio_stat "$filename.pst") { 1136 unless (aio_stat "$filename.pst") {
812 (aio_load "$filename.pst", $av) >= 0 1137 (aio_load "$filename.pst", $av) >= 0
813 or return; 1138 or return;
1139
814 $av = eval { (Storable::thaw $av)->{objs} }; 1140 my $st = eval { Coro::Storable::thaw $av };
1141 $av = $st->{objs};
815 } 1142 }
816 1143
1144 utf8::decode (my $decname = $filename);
817 warn sprintf "loading %s (%d)\n", 1145 warn sprintf "loading %s (%d,%d)\n",
818 $filename, length $data, scalar @{$av || []};#d# 1146 $decname, length $data, scalar @{$av || []};
1147
819 return ($data, $av); 1148 ($data, $av)
820} 1149}
1150
1151=head2 COMMAND CALLBACKS
1152
1153=over 4
1154
1155=cut
821 1156
822############################################################################# 1157#############################################################################
823# command handling &c 1158# command handling &c
824 1159
825=item cf::register_command $name => \&callback($ob,$args); 1160=item cf::register_command $name => \&callback($ob,$args);
… …
838 push @{ $COMMAND{$name} }, [$caller, $cb]; 1173 push @{ $COMMAND{$name} }, [$caller, $cb];
839} 1174}
840 1175
841=item cf::register_extcmd $name => \&callback($pl,$packet); 1176=item cf::register_extcmd $name => \&callback($pl,$packet);
842 1177
843Register a callbackf ro execution when the client sends an extcmd packet. 1178Register a callback for execution when the client sends an (synchronous)
1179extcmd packet. Ext commands will be processed in the order they are
1180received by the server, like other user commands. The first argument is
1181the logged-in player. Ext commands can only be processed after a player
1182has logged in successfully.
844 1183
845If the callback returns something, it is sent back as if reply was being 1184If the callback returns something, it is sent back as if reply was being
846called. 1185called.
847 1186
1187=item cf::register_exticmd $name => \&callback($ns,$packet);
1188
1189Register a callback for execution when the client sends an (asynchronous)
1190exticmd packet. Exti commands are processed by the server as soon as they
1191are received, i.e. out of order w.r.t. other commands. The first argument
1192is a client socket. Exti commands can be received anytime, even before
1193log-in.
1194
1195If the callback returns something, it is sent back as if reply was being
1196called.
1197
848=cut 1198=cut
849 1199
850sub register_extcmd { 1200sub register_extcmd {
851 my ($name, $cb) = @_; 1201 my ($name, $cb) = @_;
852 1202
853 $EXTCMD{$name} = $cb; 1203 $EXTCMD{$name} = $cb;
1204}
1205
1206sub register_exticmd {
1207 my ($name, $cb) = @_;
1208
1209 $EXTICMD{$name} = $cb;
854} 1210}
855 1211
856cf::player->attach ( 1212cf::player->attach (
857 on_command => sub { 1213 on_command => sub {
858 my ($pl, $name, $params) = @_; 1214 my ($pl, $name, $params) = @_;
… …
867 cf::override; 1223 cf::override;
868 }, 1224 },
869 on_extcmd => sub { 1225 on_extcmd => sub {
870 my ($pl, $buf) = @_; 1226 my ($pl, $buf) = @_;
871 1227
872 my $msg = eval { from_json $buf }; 1228 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873 1229
874 if (ref $msg) { 1230 if (ref $msg) {
1231 my ($type, $reply, @payload) =
1232 "ARRAY" eq ref $msg
1233 ? @$msg
1234 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1235
1236 my @reply;
1237
875 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1238 if (my $cb = $EXTCMD{$type}) {
876 if (my %reply = $cb->($pl, $msg)) { 1239 @reply = $cb->($pl, @payload);
877 $pl->ext_reply ($msg->{msgid}, %reply);
878 }
879 } 1240 }
1241
1242 $pl->ext_reply ($reply, @reply)
1243 if $reply;
1244
880 } else { 1245 } else {
881 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1246 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882 } 1247 }
883 1248
884 cf::override; 1249 cf::override;
885 }, 1250 },
886); 1251);
887 1252
888sub load_extension {
889 my ($path) = @_;
890
891 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
892 my $base = $1;
893 my $pkg = $1;
894 $pkg =~ s/[^[:word:]]/_/g;
895 $pkg = "ext::$pkg";
896
897 warn "... loading '$path' into '$pkg'\n";
898
899 open my $fh, "<:utf8", $path
900 or die "$path: $!";
901
902 my $source =
903 "package $pkg; use strict; use utf8;\n"
904 . "#line 1 \"$path\"\n{\n"
905 . (do { local $/; <$fh> })
906 . "\n};\n1";
907
908 unless (eval $source) {
909 my $msg = $@ ? "$path: $@\n"
910 : "extension disabled.\n";
911 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912 warn $@;
913 warn "mandatory extension failed to load, exiting.\n";
914 exit 1;
915 }
916 die $@;
917 }
918
919 push @EXTS, $pkg;
920}
921
922sub load_extensions { 1253sub load_extensions {
1254 cf::sync_job {
1255 my %todo;
1256
923 for my $ext (<$LIBDIR/*.ext>) { 1257 for my $path (<$LIBDIR/*.ext>) {
924 next unless -r $ext; 1258 next unless -r $path;
925 eval { 1259
926 load_extension $ext; 1260 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1261 my $base = $1;
1262 my $pkg = $1;
1263 $pkg =~ s/[^[:word:]]/_/g;
1264 $pkg = "ext::$pkg";
1265
1266 open my $fh, "<:utf8", $path
1267 or die "$path: $!";
1268
1269 my $source = do { local $/; <$fh> };
1270
1271 my %ext = (
1272 path => $path,
1273 base => $base,
1274 pkg => $pkg,
1275 );
1276
1277 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279
1280 $ext{source} =
1281 "package $pkg; use strict; use utf8;\n"
1282 . "#line 1 \"$path\"\n{\n"
1283 . $source
1284 . "\n};\n1";
1285
1286 $todo{$base} = \%ext;
1287 }
1288
1289 my %done;
1290 while (%todo) {
1291 my $progress;
1292
1293 while (my ($k, $v) = each %todo) {
1294 for (split /,\s*/, $v->{meta}{depends}) {
1295 goto skip
1296 unless exists $done{$_};
1297 }
1298
1299 warn "... loading '$k' into '$v->{pkg}'\n";
1300
1301 unless (eval $v->{source}) {
1302 my $msg = $@ ? "$v->{path}: $@\n"
1303 : "$v->{base}: extension inactive.\n";
1304
1305 if (exists $v->{meta}{mandatory}) {
1306 warn $msg;
1307 warn "mandatory extension failed to load, exiting.\n";
1308 exit 1;
1309 }
1310
1311 warn $msg;
1312 }
1313
1314 $done{$k} = delete $todo{$k};
1315 push @EXTS, $v->{pkg};
1316 $progress = 1;
927 1 1317 }
928 } or warn "$ext not loaded: $@"; 1318
1319 skip:
1320 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1321 unless $progress;
1322 }
929 } 1323 };
930} 1324}
931 1325
932############################################################################# 1326#############################################################################
933 1327
1328=back
1329
934=head2 CORE EXTENSIONS 1330=head2 CORE EXTENSIONS
935 1331
936Functions and methods that extend core crossfire objects. 1332Functions and methods that extend core crossfire objects.
937 1333
938=cut 1334=cut
… …
943 1339
944=head3 cf::player 1340=head3 cf::player
945 1341
946=over 4 1342=over 4
947 1343
1344=item cf::player::num_playing
1345
1346Returns the official number of playing players, as per the Crossfire metaserver rules.
1347
1348=cut
1349
1350sub num_playing {
1351 scalar grep
1352 $_->ob->map
1353 && !$_->hidden
1354 && !$_->ob->flag (cf::FLAG_WIZ),
1355 cf::player::list
1356}
1357
948=item cf::player::find $login 1358=item cf::player::find $login
949 1359
950Returns the given player object, loading it if necessary (might block). 1360Returns the given player object, loading it if necessary (might block).
951 1361
952=cut 1362=cut
953 1363
954sub playerdir($) { 1364sub playerdir($) {
955 cf::localdir 1365 "$PLAYERDIR/"
956 . "/"
957 . cf::playerdir
958 . "/"
959 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1366 . (ref $_[0] ? $_[0]->ob->name : $_[0])
960} 1367}
961 1368
962sub path($) { 1369sub path($) {
963 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1370 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964 1371
965 (playerdir $login) . "/$login.pl" 1372 (playerdir $login) . "/playerdata"
966} 1373}
967 1374
968sub find_active($) { 1375sub find_active($) {
969 $cf::PLAYER{$_[0]} 1376 $cf::PLAYER{$_[0]}
970 and $cf::PLAYER{$_[0]}->active 1377 and $cf::PLAYER{$_[0]}->active
… …
983 my $login = $_[0]; 1390 my $login = $_[0];
984 1391
985 my $guard = cf::lock_acquire "user_find:$login"; 1392 my $guard = cf::lock_acquire "user_find:$login";
986 1393
987 $cf::PLAYER{$_[0]} || do { 1394 $cf::PLAYER{$_[0]} || do {
988 my $pl = load_pl path $login 1395 # rename old playerfiles to new ones
1396 #TODO: remove when no longer required
1397 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1398 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1399 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1400 aio_unlink +(playerdir $login) . "/$login.pl";
1401
1402 my $f = new_from_file cf::object::thawer path $login
989 or return; 1403 or return;
1404
1405 my $pl = cf::player::load_pl $f
1406 or return;
1407 local $cf::PLAYER_LOADING{$login} = $pl;
1408 $f->resolve_delayed_derefs;
990 $cf::PLAYER{$login} = $pl 1409 $cf::PLAYER{$login} = $pl
991 } 1410 }
992 } 1411 }
993} 1412}
994 1413
… …
1004 1423
1005 aio_mkdir playerdir $pl, 0770; 1424 aio_mkdir playerdir $pl, 0770;
1006 $pl->{last_save} = $cf::RUNTIME; 1425 $pl->{last_save} = $cf::RUNTIME;
1007 1426
1008 $pl->save_pl ($path); 1427 $pl->save_pl ($path);
1009 Coro::cede; 1428 cf::cede_to_tick;
1010} 1429}
1011 1430
1012sub new($) { 1431sub new($) {
1013 my ($login) = @_; 1432 my ($login) = @_;
1014 1433
… …
1020 $cf::PLAYER{$login} = $self; 1439 $cf::PLAYER{$login} = $self;
1021 1440
1022 $self 1441 $self
1023} 1442}
1024 1443
1444=item $player->send_msg ($channel, $msg, $color, [extra...])
1445
1446=cut
1447
1448sub send_msg {
1449 my $ns = shift->ns
1450 or return;
1451 $ns->send_msg (@_);
1452}
1453
1025=item $pl->quit_character 1454=item $pl->quit_character
1026 1455
1027Nukes the player without looking back. If logged in, the connection will 1456Nukes the player without looking back. If logged in, the connection will
1028be destroyed. May block for a long time. 1457be destroyed. May block for a long time.
1029 1458
1030=cut 1459=cut
1031 1460
1032sub quit_character { 1461sub quit_character {
1033 my ($pl) = @_; 1462 my ($pl) = @_;
1463
1464 my $name = $pl->ob->name;
1034 1465
1035 $pl->{deny_save} = 1; 1466 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1467 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1468
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1469 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
… …
1043 my $path = playerdir $pl; 1474 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1475 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1476 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1477 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1478 $pl->destroy;
1479
1480 my $prefix = qr<^~\Q$name\E/>;
1481
1482 # nuke player maps
1483 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1484
1048 IO::AIO::aio_rmtree $temp; 1485 IO::AIO::aio_rmtree $temp;
1486}
1487
1488=item $pl->kick
1489
1490Kicks a player out of the game. This destroys the connection.
1491
1492=cut
1493
1494sub kick {
1495 my ($pl, $kicker) = @_;
1496
1497 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1498 $pl->killer ("kicked");
1499 $pl->ns->destroy;
1049} 1500}
1050 1501
1051=item cf::player::list_logins 1502=item cf::player::list_logins
1052 1503
1053Returns am arrayref of all valid playernames in the system, can take a 1504Returns am arrayref of all valid playernames in the system, can take a
1054while and may block, so not sync_job-capable, ever. 1505while and may block, so not sync_job-capable, ever.
1055 1506
1056=cut 1507=cut
1057 1508
1058sub list_logins { 1509sub list_logins {
1059 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1510 my $dirs = aio_readdir $PLAYERDIR
1060 or return []; 1511 or return [];
1061 1512
1062 my @logins; 1513 my @logins;
1063 1514
1064 for my $login (@$dirs) { 1515 for my $login (@$dirs) {
1516 my $path = path $login;
1517
1518 # a .pst is a dead give-away for a valid player
1519 unless (-e "$path.pst") {
1065 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1520 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066 aio_read $fh, 0, 512, my $buf, 0 or next; 1521 aio_read $fh, 0, 512, my $buf, 0 or next;
1067 $buf !~ /^password -------------$/m or next; # official not-valid tag 1522 $buf !~ /^password -------------$/m or next; # official not-valid tag
1523 }
1068 1524
1069 utf8::decode $login; 1525 utf8::decode $login;
1070 push @logins, $login; 1526 push @logins, $login;
1071 } 1527 }
1072 1528
… …
1099 } 1555 }
1100 1556
1101 \@paths 1557 \@paths
1102} 1558}
1103 1559
1560=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1561
1562Expand crossfire pod fragments into protocol xml.
1563
1564=cut
1565
1566use re 'eval';
1567
1568my $group;
1569my $interior; $interior = qr{
1570 # match a pod interior sequence sans C<< >>
1571 (?:
1572 \ (.*?)\ (?{ $group = $^N })
1573 | < (??{$interior}) >
1574 )
1575}x;
1576
1577sub expand_cfpod {
1578 my ($self, $pod) = @_;
1579
1580 my $xml;
1581
1582 while () {
1583 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584 $group = $1;
1585
1586 $group =~ s/&/&amp;/g;
1587 $group =~ s/</&lt;/g;
1588
1589 $xml .= $group;
1590 } elsif ($pod =~ m%\G
1591 ([BCGHITU])
1592 <
1593 (?:
1594 ([^<>]*) (?{ $group = $^N })
1595 | < $interior >
1596 )
1597 >
1598 %gcsx
1599 ) {
1600 my ($code, $data) = ($1, $group);
1601
1602 if ($code eq "B") {
1603 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604 } elsif ($code eq "I") {
1605 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606 } elsif ($code eq "U") {
1607 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608 } elsif ($code eq "C") {
1609 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610 } elsif ($code eq "T") {
1611 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612 } elsif ($code eq "G") {
1613 my ($male, $female) = split /\|/, $data;
1614 $data = $self->gender ? $female : $male;
1615 $xml .= expand_cfpod ($self, $data);
1616 } elsif ($code eq "H") {
1617 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619 "")
1620 [$self->{hintmode}];
1621 } else {
1622 $xml .= "error processing '$code($data)' directive";
1623 }
1624 } else {
1625 if ($pod =~ /\G(.+)/) {
1626 warn "parse error while expanding $pod (at $1)";
1627 }
1628 last;
1629 }
1630 }
1631
1632 for ($xml) {
1633 # create single paragraphs (very hackish)
1634 s/(?<=\S)\n(?=\w)/ /g;
1635
1636 # compress some whitespace
1637 s/\s+\n/\n/g; # ws line-ends
1638 s/\n\n+/\n/g; # double lines
1639 s/^\n+//; # beginning lines
1640 s/\n+$//; # ending lines
1641 }
1642
1643 $xml
1644}
1645
1646no re 'eval';
1647
1648sub hintmode {
1649 $_[0]{hintmode} = $_[1] if @_ > 1;
1650 $_[0]{hintmode}
1651}
1652
1104=item $player->ext_reply ($msgid, $msgtype, %msg) 1653=item $player->ext_reply ($msgid, @msg)
1105 1654
1106Sends an ext reply to the player. 1655Sends an ext reply to the player.
1107 1656
1108=cut 1657=cut
1109 1658
1110sub ext_reply($$$%) { 1659sub ext_reply($$@) {
1111 my ($self, $id, %msg) = @_; 1660 my ($self, $id, @msg) = @_;
1112 1661
1113 $msg{msgid} = $id; 1662 $self->ns->ext_reply ($id, @msg)
1114
1115 $self->send ("ext " . cf::to_json \%msg);
1116} 1663}
1117 1664
1118package cf; 1665=item $player->ext_msg ($type, @msg)
1666
1667Sends an ext event to the client.
1668
1669=cut
1670
1671sub ext_msg($$@) {
1672 my ($self, $type, @msg) = @_;
1673
1674 $self->ns->ext_msg ($type, @msg);
1675}
1676
1677=head3 cf::region
1678
1679=over 4
1680
1681=cut
1682
1683package cf::region;
1684
1685=item cf::region::find_by_path $path
1686
1687Tries to decuce the likely region for a map knowing only its path.
1688
1689=cut
1690
1691sub find_by_path($) {
1692 my ($path) = @_;
1693
1694 my ($match, $specificity);
1695
1696 for my $region (list) {
1697 if ($region->{match} && $path =~ $region->{match}) {
1698 ($match, $specificity) = ($region, $region->specificity)
1699 if $region->specificity > $specificity;
1700 }
1701 }
1702
1703 $match
1704}
1119 1705
1120=back 1706=back
1121
1122 1707
1123=head3 cf::map 1708=head3 cf::map
1124 1709
1125=over 4 1710=over 4
1126 1711
… …
1181 my ($self, $merge) = @_; 1766 my ($self, $merge) = @_;
1182 1767
1183 # we have to keep some variables in memory intact 1768 # we have to keep some variables in memory intact
1184 local $self->{path}; 1769 local $self->{path};
1185 local $self->{load_path}; 1770 local $self->{load_path};
1186 local $self->{deny_save};
1187 local $self->{deny_reset};
1188 1771
1189 $self->SUPER::thawer_merge ($merge); 1772 $self->SUPER::thawer_merge ($merge);
1190} 1773}
1191 1774
1192sub normalise { 1775sub normalise {
… …
1239 $self->init; # pass $1 etc. 1822 $self->init; # pass $1 etc.
1240 return $self; 1823 return $self;
1241 } 1824 }
1242 } 1825 }
1243 1826
1244 Carp::carp "unable to resolve path '$path' (base '$base')."; 1827 Carp::cluck "unable to resolve path '$path' (base '$base').";
1245 () 1828 ()
1246} 1829}
1247 1830
1248sub init { 1831sub init {
1249 my ($self) = @_; 1832 my ($self) = @_;
… …
1264 1847
1265# the original (read-only) location 1848# the original (read-only) location
1266sub load_path { 1849sub load_path {
1267 my ($self) = @_; 1850 my ($self) = @_;
1268 1851
1269 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1852 "$MAPDIR/$self->{path}.map"
1270} 1853}
1271 1854
1272# the temporary/swap location 1855# the temporary/swap location
1273sub save_path { 1856sub save_path {
1274 my ($self) = @_; 1857 my ($self) = @_;
1275 1858
1276 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1859 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1860 "$TMPDIR/$path.map"
1278} 1861}
1279 1862
1280# the unique path, undef == no special unique path 1863# the unique path, undef == no special unique path
1281sub uniq_path { 1864sub uniq_path {
1282 my ($self) = @_; 1865 my ($self) = @_;
1283 1866
1284 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1868 "$UNIQUEDIR/$path"
1286} 1869}
1287 1870
1288# and all this just because we cannot iterate over 1871# and all this just because we cannot iterate over
1289# all maps in C++... 1872# all maps in C++...
1290sub change_all_map_light { 1873sub change_all_map_light {
… …
1292 1875
1293 $_->change_map_light ($change) 1876 $_->change_map_light ($change)
1294 for grep $_->outdoor, values %cf::MAP; 1877 for grep $_->outdoor, values %cf::MAP;
1295} 1878}
1296 1879
1880sub decay_objects {
1881 my ($self) = @_;
1882
1883 return if $self->{deny_reset};
1884
1885 $self->do_decay_objects;
1886}
1887
1297sub unlink_save { 1888sub unlink_save {
1298 my ($self) = @_; 1889 my ($self) = @_;
1299 1890
1300 utf8::encode (my $save = $self->save_path); 1891 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1892 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1304 1895
1305sub load_header_from($) { 1896sub load_header_from($) {
1306 my ($self, $path) = @_; 1897 my ($self, $path) = @_;
1307 1898
1308 utf8::encode $path; 1899 utf8::encode $path;
1309 #aio_open $path, O_RDONLY, 0 1900 my $f = new_from_file cf::object::thawer $path
1310 # or return;
1311
1312 $self->_load_header ($path)
1313 or return; 1901 or return;
1902
1903 $self->_load_header ($f)
1904 or return;
1905
1906 local $MAP_LOADING{$self->{path}} = $self;
1907 $f->resolve_delayed_derefs;
1314 1908
1315 $self->{load_path} = $path; 1909 $self->{load_path} = $path;
1316 1910
1317 1 1911 1
1318} 1912}
… …
1357 $self->load_header_orig 1951 $self->load_header_orig
1358 or return; 1952 or return;
1359 $self->prepare_orig; 1953 $self->prepare_orig;
1360 } 1954 }
1361 1955
1956 $self->{deny_reset} = 1
1957 if $self->no_reset;
1958
1959 $self->default_region (cf::region::find_by_path $self->{path})
1960 unless $self->default_region;
1961
1362 1 1962 1
1363} 1963}
1364 1964
1365sub find; 1965sub find;
1366sub find { 1966sub find {
1367 my ($path, $origin) = @_; 1967 my ($path, $origin) = @_;
1368 1968
1369 $path = normalise $path, $origin && $origin->path; 1969 $path = normalise $path, $origin && $origin->path;
1370 1970
1971 cf::lock_wait "map_data:$path";#d#remove
1371 cf::lock_wait "map_find:$path"; 1972 cf::lock_wait "map_find:$path";
1372 1973
1373 $cf::MAP{$path} || do { 1974 $cf::MAP{$path} || do {
1374 my $guard = cf::lock_acquire "map_find:$path"; 1975 my $guard1 = cf::lock_acquire "map_find:$path";
1976 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1375 my $map = new_from_path cf::map $path 1978 my $map = new_from_path cf::map $path
1376 or return; 1979 or return;
1377 1980
1378 $map->{last_save} = $cf::RUNTIME; 1981 $map->{last_save} = $cf::RUNTIME;
1379 1982
1380 $map->load_header 1983 $map->load_header
1381 or return; 1984 or return;
1382 1985
1383 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1986 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384 # doing this can freeze the server in a sync job, obviously 1987 # doing this can freeze the server in a sync job, obviously
1385 #$cf::WAIT_FOR_TICK->wait; 1988 #$cf::WAIT_FOR_TICK->wait;
1989 undef $guard1;
1990 undef $guard2;
1386 $map->reset; 1991 $map->reset;
1387 undef $guard;
1388 return find $path; 1992 return find $path;
1389 } 1993 }
1390 1994
1391 $cf::MAP{$path} = $map 1995 $cf::MAP{$path} = $map
1392 } 1996 }
… …
1399 my ($self) = @_; 2003 my ($self) = @_;
1400 2004
1401 local $self->{deny_reset} = 1; # loading can take a long time 2005 local $self->{deny_reset} = 1; # loading can take a long time
1402 2006
1403 my $path = $self->{path}; 2007 my $path = $self->{path};
2008
2009 {
1404 my $guard = cf::lock_acquire "map_load:$path"; 2010 my $guard = cf::lock_acquire "map_data:$path";
1405 2011
2012 return unless $self->valid;
1406 return if $self->in_memory != cf::MAP_SWAPPED; 2013 return unless $self->in_memory == cf::MAP_SWAPPED;
1407 2014
1408 $self->in_memory (cf::MAP_LOADING); 2015 $self->in_memory (cf::MAP_LOADING);
1409 2016
1410 $self->alloc; 2017 $self->alloc;
1411 2018
1412 $self->pre_load; 2019 $self->pre_load;
2020 cf::cede_to_tick;
1413 2021
1414 $self->_load_objects ($self->{load_path}, 1) 2022 my $f = new_from_file cf::object::thawer $self->{load_path};
2023 $f->skip_block;
2024 $self->_load_objects ($f)
1415 or return; 2025 or return;
1416 2026
1417 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2027 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418 if delete $self->{load_original}; 2028 if delete $self->{load_original};
1419 2029
1420 if (my $uniq = $self->uniq_path) { 2030 if (my $uniq = $self->uniq_path) {
1421 utf8::encode $uniq; 2031 utf8::encode $uniq;
1422 if (aio_open $uniq, O_RDONLY, 0) { 2032 unless (aio_stat $uniq) {
2033 if (my $f = new_from_file cf::object::thawer $uniq) {
1423 $self->clear_unique_items; 2034 $self->clear_unique_items;
1424 $self->_load_objects ($uniq, 0); 2035 $self->_load_objects ($f);
2036 $f->resolve_delayed_derefs;
2037 }
1425 } 2038 }
1426 } 2039 }
1427 2040
1428 Coro::cede; 2041 $f->resolve_delayed_derefs;
1429 2042
2043 cf::cede_to_tick;
1430 # now do the right thing for maps 2044 # now do the right thing for maps
1431 $self->link_multipart_objects; 2045 $self->link_multipart_objects;
1432
1433 unless ($self->{deny_activate}) {
1434 $self->decay_objects;
1435 $self->fix_auto_apply;
1436 $self->update_buttons;
1437 Coro::cede;
1438 $self->set_darkness_map;
1439 $self->difficulty ($self->estimate_difficulty) 2046 $self->difficulty ($self->estimate_difficulty)
1440 unless $self->difficulty; 2047 unless $self->difficulty;
1441 Coro::cede; 2048 cf::cede_to_tick;
2049
2050 unless ($self->{deny_activate}) {
2051 $self->decay_objects;
2052 $self->fix_auto_apply;
2053 $self->update_buttons;
2054 cf::cede_to_tick;
2055 $self->set_darkness_map;
2056 cf::cede_to_tick;
1442 $self->activate; 2057 $self->activate;
2058 }
2059
2060 $self->{last_save} = $cf::RUNTIME;
2061 $self->last_access ($cf::RUNTIME);
2062
2063 $self->in_memory (cf::MAP_IN_MEMORY);
1443 } 2064 }
1444 2065
1445 $self->post_load; 2066 $self->post_load;
1446
1447 $self->in_memory (cf::MAP_IN_MEMORY);
1448} 2067}
1449 2068
1450sub customise_for { 2069sub customise_for {
1451 my ($self, $ob) = @_; 2070 my ($self, $ob) = @_;
1452 2071
1453 return find "~" . $ob->name . "/" . $self->{path} 2072 return find "~" . $ob->name . "/" . $self->{path}
1454 if $self->per_player; 2073 if $self->per_player;
1455 2074
2075# return find "?party/" . $ob->name . "/" . $self->{path}
2076# if $self->per_party;
2077
1456 $self 2078 $self
1457} 2079}
1458 2080
1459# find and load all maps in the 3x3 area around a map 2081# find and load all maps in the 3x3 area around a map
1460sub load_diag { 2082sub load_neighbours {
1461 my ($map) = @_; 2083 my ($map) = @_;
1462 2084
1463 my @diag; # diagonal neighbours 2085 my @neigh; # diagonal neighbours
1464 2086
1465 for (0 .. 3) { 2087 for (0 .. 3) {
1466 my $neigh = $map->tile_path ($_) 2088 my $neigh = $map->tile_path ($_)
1467 or next; 2089 or next;
1468 $neigh = find $neigh, $map 2090 $neigh = find $neigh, $map
1469 or next; 2091 or next;
1470 $neigh->load; 2092 $neigh->load;
1471 2093
2094 push @neigh,
1472 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2095 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1473 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2096 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1474 } 2097 }
1475 2098
1476 for (@diag) { 2099 for (grep defined $_->[0], @neigh) {
2100 my ($path, $origin) = @$_;
1477 my $neigh = find @$_ 2101 my $neigh = find $path, $origin
1478 or next; 2102 or next;
1479 $neigh->load; 2103 $neigh->load;
1480 } 2104 }
1481} 2105}
1482 2106
… …
1487} 2111}
1488 2112
1489sub do_load_sync { 2113sub do_load_sync {
1490 my ($map) = @_; 2114 my ($map) = @_;
1491 2115
2116 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2117 if $Coro::current == $Coro::main;
2118
1492 cf::sync_job { $map->load }; 2119 cf::sync_job { $map->load };
1493} 2120}
1494 2121
1495our %MAP_PREFETCH; 2122our %MAP_PREFETCH;
1496our $MAP_PREFETCHER = undef; 2123our $MAP_PREFETCHER = undef;
1497 2124
1498sub find_async { 2125sub find_async {
1499 my ($path, $origin) = @_; 2126 my ($path, $origin, $load) = @_;
1500 2127
1501 $path = normalise $path, $origin && $origin->{path}; 2128 $path = normalise $path, $origin && $origin->{path};
1502 2129
1503 if (my $map = $cf::MAP{$path}) { 2130 if (my $map = $cf::MAP{$path}) {
1504 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2131 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505 } 2132 }
1506 2133
1507 undef $MAP_PREFETCH{$path}; 2134 $MAP_PREFETCH{$path} |= $load;
2135
1508 $MAP_PREFETCHER ||= cf::async { 2136 $MAP_PREFETCHER ||= cf::async {
2137 $Coro::current->{desc} = "map prefetcher";
2138
1509 while (%MAP_PREFETCH) { 2139 while (%MAP_PREFETCH) {
1510 for my $path (keys %MAP_PREFETCH) { 2140 while (my ($k, $v) = each %MAP_PREFETCH) {
1511 my $map = find $path 2141 if (my $map = find $k) {
1512 or next;
1513 $map->load; 2142 $map->load if $v;
2143 }
1514 2144
1515 delete $MAP_PREFETCH{$path}; 2145 delete $MAP_PREFETCH{$k};
1516 } 2146 }
1517 } 2147 }
1518 undef $MAP_PREFETCHER; 2148 undef $MAP_PREFETCHER;
1519 }; 2149 };
1520 $MAP_PREFETCHER->prio (6); 2150 $MAP_PREFETCHER->prio (6);
… …
1523} 2153}
1524 2154
1525sub save { 2155sub save {
1526 my ($self) = @_; 2156 my ($self) = @_;
1527 2157
1528 my $lock = cf::lock_acquire "map_data:" . $self->path; 2158 my $lock = cf::lock_acquire "map_data:$self->{path}";
1529 2159
1530 $self->{last_save} = $cf::RUNTIME; 2160 $self->{last_save} = $cf::RUNTIME;
1531 2161
1532 return unless $self->dirty; 2162 return unless $self->dirty;
1533 2163
… …
1539 return if $self->{deny_save}; 2169 return if $self->{deny_save};
1540 2170
1541 local $self->{last_access} = $self->last_access;#d# 2171 local $self->{last_access} = $self->last_access;#d#
1542 2172
1543 cf::async { 2173 cf::async {
2174 $Coro::current->{desc} = "map player save";
1544 $_->contr->save for $self->players; 2175 $_->contr->save for $self->players;
1545 }; 2176 };
1546 2177
1547 if ($uniq) { 2178 if ($uniq) {
1548 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2179 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1556 my ($self) = @_; 2187 my ($self) = @_;
1557 2188
1558 # save first because save cedes 2189 # save first because save cedes
1559 $self->save; 2190 $self->save;
1560 2191
1561 my $lock = cf::lock_acquire "map_data:" . $self->path; 2192 my $lock = cf::lock_acquire "map_data:$self->{path}";
1562 2193
1563 return if $self->players; 2194 return if $self->players;
1564 return if $self->in_memory != cf::MAP_IN_MEMORY; 2195 return if $self->in_memory != cf::MAP_IN_MEMORY;
1565 return if $self->{deny_save}; 2196 return if $self->{deny_save};
1566 2197
2198 $self->in_memory (cf::MAP_SWAPPED);
2199
2200 $self->deactivate;
2201 $_->clear_links_to ($self) for values %cf::MAP;
1567 $self->clear; 2202 $self->clear;
1568 $self->in_memory (cf::MAP_SWAPPED);
1569} 2203}
1570 2204
1571sub reset_at { 2205sub reset_at {
1572 my ($self) = @_; 2206 my ($self) = @_;
1573 2207
1574 # TODO: safety, remove and allow resettable per-player maps 2208 # TODO: safety, remove and allow resettable per-player maps
1575 return 1e99 if $self->isa ("ext::map_per_player");#d#
1576 return 1e99 if $self->{deny_reset}; 2209 return 1e99 if $self->{deny_reset};
1577 2210
1578 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2211 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2212 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580 2213
… …
1591 my ($self) = @_; 2224 my ($self) = @_;
1592 2225
1593 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2226 my $lock = cf::lock_acquire "map_data:$self->{path}";
1594 2227
1595 return if $self->players; 2228 return if $self->players;
1596 return if $self->isa ("ext::map_per_player");#d#
1597 2229
1598 warn "resetting map ", $self->path;#d# 2230 warn "resetting map ", $self->path;
1599 2231
1600 $self->in_memory (cf::MAP_SWAPPED); 2232 $self->in_memory (cf::MAP_SWAPPED);
1601 2233
1602 # need to save uniques path 2234 # need to save uniques path
1603 unless ($self->{deny_save}) { 2235 unless ($self->{deny_save}) {
… …
1607 if $uniq; 2239 if $uniq;
1608 } 2240 }
1609 2241
1610 delete $cf::MAP{$self->path}; 2242 delete $cf::MAP{$self->path};
1611 2243
2244 $self->deactivate;
2245 $_->clear_links_to ($self) for values %cf::MAP;
1612 $self->clear; 2246 $self->clear;
1613
1614 $_->clear_links_to ($self) for values %cf::MAP;
1615 2247
1616 $self->unlink_save; 2248 $self->unlink_save;
1617 $self->destroy; 2249 $self->destroy;
1618} 2250}
1619 2251
1620my $nuke_counter = "aaaa"; 2252my $nuke_counter = "aaaa";
1621 2253
1622sub nuke { 2254sub nuke {
1623 my ($self) = @_; 2255 my ($self) = @_;
1624 2256
2257 {
2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
2259
1625 delete $cf::MAP{$self->path}; 2260 delete $cf::MAP{$self->path};
1626 2261
1627 $self->unlink_save; 2262 $self->unlink_save;
1628 2263
1629 bless $self, "cf::map"; 2264 bless $self, "cf::map";
1630 delete $self->{deny_reset}; 2265 delete $self->{deny_reset};
1631 $self->{deny_save} = 1; 2266 $self->{deny_save} = 1;
1632 $self->reset_timeout (1); 2267 $self->reset_timeout (1);
1633 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2268 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634 2269
1635 $cf::MAP{$self->path} = $self; 2270 $cf::MAP{$self->path} = $self;
2271 }
1636 2272
1637 $self->reset; # polite request, might not happen 2273 $self->reset; # polite request, might not happen
2274}
2275
2276=item $maps = cf::map::tmp_maps
2277
2278Returns an arrayref with all map paths of currently instantiated and saved
2279maps. May block.
2280
2281=cut
2282
2283sub tmp_maps() {
2284 [
2285 map {
2286 utf8::decode $_;
2287 /\.map$/
2288 ? normalise $_
2289 : ()
2290 } @{ aio_readdir $TMPDIR or [] }
2291 ]
2292}
2293
2294=item $maps = cf::map::random_maps
2295
2296Returns an arrayref with all map paths of currently instantiated and saved
2297random maps. May block.
2298
2299=cut
2300
2301sub random_maps() {
2302 [
2303 map {
2304 utf8::decode $_;
2305 /\.map$/
2306 ? normalise "?random/$_"
2307 : ()
2308 } @{ aio_readdir $RANDOMDIR or [] }
2309 ]
1638} 2310}
1639 2311
1640=item cf::map::unique_maps 2312=item cf::map::unique_maps
1641 2313
1642Returns an arrayref of paths of all shared maps that have 2314Returns an arrayref of paths of all shared maps that have
1643instantiated unique items. May block. 2315instantiated unique items. May block.
1644 2316
1645=cut 2317=cut
1646 2318
1647sub unique_maps() { 2319sub unique_maps() {
1648 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2320 [
1649 or return; 2321 map {
1650
1651 my @paths;
1652
1653 for (@$files) {
1654 utf8::decode $_; 2322 utf8::decode $_;
1655 next if /\.pst$/; 2323 /\.map$/
1656 next unless /^$PATH_SEP/o; 2324 ? normalise $_
1657 2325 : ()
1658 push @paths, cf::map::normalise $_; 2326 } @{ aio_readdir $UNIQUEDIR or [] }
1659 } 2327 ]
1660
1661 \@paths
1662} 2328}
1663 2329
1664package cf; 2330package cf;
1665 2331
1666=back 2332=back
… …
1684 map { $_, inv_recursive_ $_->inv } @_ 2350 map { $_, inv_recursive_ $_->inv } @_
1685} 2351}
1686 2352
1687sub inv_recursive { 2353sub inv_recursive {
1688 inv_recursive_ inv $_[0] 2354 inv_recursive_ inv $_[0]
2355}
2356
2357=item $ref = $ob->ref
2358
2359creates and returns a persistent reference to an objetc that can be stored as a string.
2360
2361=item $ob = cf::object::deref ($refstring)
2362
2363returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2364even if the object actually exists. May block.
2365
2366=cut
2367
2368sub deref {
2369 my ($ref) = @_;
2370
2371 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2372 my ($uuid, $name) = ($1, $2);
2373 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2374 or return;
2375 $pl->ob->uuid eq $uuid
2376 or return;
2377
2378 $pl->ob
2379 } else {
2380 warn "$ref: cannot resolve object reference\n";
2381 undef
2382 }
1689} 2383}
1690 2384
1691package cf; 2385package cf;
1692 2386
1693=back 2387=back
… …
1712 2406
1713 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714 2408
1715 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1716 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1717 } else { 2412 } else {
2413 my $pl = $self->contr;
2414
2415 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2416 my $dialog = $pl->{npc_dialog};
2417 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418
2419 } else {
1718 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1719 $self->message ($msg, $flags); 2421 $self->message ($msg, $flags);
2422 }
1720 } 2423 }
2424}
2425
2426=item $object->send_msg ($channel, $msg, $color, [extra...])
2427
2428=cut
2429
2430sub cf::object::send_msg {
2431 my $pl = shift->contr
2432 or return;
2433 $pl->send_msg (@_);
1721} 2434}
1722 2435
1723=item $player_object->may ("access") 2436=item $player_object->may ("access")
1724 2437
1725Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1772 $self->deactivate_recursive; 2485 $self->deactivate_recursive;
1773 2486
1774 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2487 return if UNIVERSAL::isa $self->map, "ext::map_link";
1775 2488
1776 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2489 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777 if $self->map; 2490 if $self->map && $self->map->{path} ne "{link}";
1778 2491
1779 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2492 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1780} 2493}
1781 2494
1782sub cf::object::player::leave_link { 2495sub cf::object::player::leave_link {
1783 my ($self, $map, $x, $y) = @_; 2496 my ($self, $map, $x, $y) = @_;
2497
2498 return unless $self->contr->active;
1784 2499
1785 my $link_pos = delete $self->{_link_pos}; 2500 my $link_pos = delete $self->{_link_pos};
1786 2501
1787 unless ($map) { 2502 unless ($map) {
1788 # restore original map position 2503 # restore original map position
… …
1802 # use -1 or undef as default coordinates, not 0, 0 2517 # use -1 or undef as default coordinates, not 0, 0
1803 ($x, $y) = ($map->enter_x, $map->enter_y) 2518 ($x, $y) = ($map->enter_x, $map->enter_y)
1804 if $x <=0 && $y <= 0; 2519 if $x <=0 && $y <= 0;
1805 2520
1806 $map->load; 2521 $map->load;
1807 $map->load_diag; 2522 $map->load_neighbours;
1808 2523
1809 return unless $self->contr->active; 2524 return unless $self->contr->active;
1810 $self->activate_recursive; 2525 $self->activate_recursive;
1811 2526
1812 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2527 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813 $self->enter_map ($map, $x, $y); 2528 $self->enter_map ($map, $x, $y);
1814} 2529}
1815 2530
1816cf::player->attach ( 2531=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817 on_logout => sub {
1818 my ($pl) = @_;
1819 2532
1820 # abort map switching before logout 2533Moves the player to the given map-path and coordinates by first freezing
1821 if ($pl->ob->{_link_pos}) { 2534her, loading and preparing them map, calling the provided $check callback
1822 cf::sync_job { 2535that has to return the map if sucecssful, and then unfreezes the player on
1823 $pl->ob->leave_link 2536the new (success) or old (failed) map position. In either case, $done will
1824 }; 2537be called at the end of this process.
1825 }
1826 },
1827 on_login => sub {
1828 my ($pl) = @_;
1829 2538
1830 # try to abort aborted map switching on player login :)
1831 # should happen only on crashes
1832 if ($pl->ob->{_link_pos}) {
1833 $pl->ob->enter_link;
1834 (async {
1835 $pl->ob->reply (undef,
1836 "There was an internal problem at your last logout, "
1837 . "the server will try to bring you to your intended destination in a second.",
1838 cf::NDI_RED);
1839 # we need this sleep as the login has a concurrent enter_exit running
1840 # and this sleep increases chances of the player not ending up in scorn
1841 Coro::Timer::sleep 1;
1842 $pl->ob->leave_link;
1843 })->prio (2);
1844 }
1845 },
1846);
1847
1848=item $player_object->goto ($path, $x, $y)
1849
1850=cut 2539=cut
2540
2541our $GOTOGEN;
1851 2542
1852sub cf::object::player::goto { 2543sub cf::object::player::goto {
1853 my ($self, $path, $x, $y) = @_; 2544 my ($self, $path, $x, $y, $check, $done) = @_;
2545
2546 # do generation counting so two concurrent goto's will be executed in-order
2547 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854 2548
1855 $self->enter_link; 2549 $self->enter_link;
1856 2550
1857 (async { 2551 (async {
2552 $Coro::current->{desc} = "player::goto $path $x $y";
2553
2554 # *tag paths override both path and x|y
2555 if ($path =~ /^\*(.*)$/) {
2556 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2557 my $ob = $obs[rand @obs];
2558
2559 # see if we actually can go there
2560 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2561 $ob = $obs[rand @obs];
2562 } else {
2563 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2564 }
2565 # else put us there anyways for now #d#
2566
2567 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2568 } else {
2569 ($path, $x, $y) = (undef, undef, undef);
2570 }
2571 }
2572
1858 my $map = eval { 2573 my $map = eval {
1859 my $map = cf::map::find $path; 2574 my $map = defined $path ? cf::map::find $path : undef;
2575
2576 if ($map) {
1860 $map = $map->customise_for ($self) if $map; 2577 $map = $map->customise_for ($self);
2578 $map = $check->($map) if $check && $map;
2579 } else {
2580 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581 }
2582
1861 $map 2583 $map
2584 };
2585
2586 if ($@) {
2587 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2588 LOG llevError | logBacktrace, Carp::longmess $@;
1862 } or 2589 }
1863 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864 2590
2591 if ($gen == $self->{_goto_generation}) {
2592 delete $self->{_goto_generation};
1865 $self->leave_link ($map, $x, $y); 2593 $self->leave_link ($map, $x, $y);
2594 }
2595
2596 $done->() if $done;
1866 })->prio (1); 2597 })->prio (1);
1867} 2598}
1868 2599
1869=item $player_object->enter_exit ($exit_object) 2600=item $player_object->enter_exit ($exit_object)
1870 2601
… …
1907 $rmp->{origin_y} = $exit->y; 2638 $rmp->{origin_y} = $exit->y;
1908 } 2639 }
1909 2640
1910 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
1911 2642
1912 my $data = cf::to_json $rmp; 2643 my $data = cf::encode_json $rmp;
1913 my $md5 = Digest::MD5::md5_hex $data; 2644 my $md5 = Digest::MD5::md5_hex $data;
1914 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2645 my $meta = "$RANDOMDIR/$md5.meta";
1915 2646
1916 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
1918 undef $fh; 2649 undef $fh;
1919 aio_rename "$meta~", $meta; 2650 aio_rename "$meta~", $meta;
… …
1928 2659
1929 return unless $self->type == cf::PLAYER; 2660 return unless $self->type == cf::PLAYER;
1930 2661
1931 if ($exit->slaying eq "/!") { 2662 if ($exit->slaying eq "/!") {
1932 #TODO: this should de-fi-ni-te-ly not be a sync-job 2663 #TODO: this should de-fi-ni-te-ly not be a sync-job
2664 # the problem is that $exit might not survive long enough
2665 # so it needs to be done right now, right here
1933 cf::sync_job { prepare_random_map $exit }; 2666 cf::sync_job { prepare_random_map $exit };
1934 } 2667 }
1935 2668
1936 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2669 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937 my $hp = $exit->stats->hp; 2670 my $hp = $exit->stats->hp;
1938 my $sp = $exit->stats->sp; 2671 my $sp = $exit->stats->sp;
1939 2672
1940 $self->enter_link; 2673 $self->enter_link;
1941 2674
2675 # if exit is damned, update players death & WoR home-position
2676 $self->contr->savebed ($slaying, $hp, $sp)
2677 if $exit->flag (FLAG_DAMNED);
2678
1942 (async { 2679 (async {
2680 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2681
1943 $self->deactivate_recursive; # just to be sure 2682 $self->deactivate_recursive; # just to be sure
1944 unless (eval { 2683 unless (eval {
1945 $self->goto ($slaying, $hp, $sp); 2684 $self->goto ($slaying, $hp, $sp);
1946 2685
1947 1; 2686 1;
1948 }) { 2687 }) {
1949 $self->message ("Something went wrong deep within the crossfire server. " 2688 $self->message ("Something went wrong deep within the crossfire server. "
1950 . "I'll try to bring you back to the map you were before. " 2689 . "I'll try to bring you back to the map you were before. "
1951 . "Please report this to the dungeon master!", 2690 . "Please report this to the dungeon master!",
1952 cf::NDI_UNIQUE | cf::NDI_RED); 2691 cf::NDI_UNIQUE | cf::NDI_RED);
1953 2692
1954 warn "ERROR in enter_exit: $@"; 2693 warn "ERROR in enter_exit: $@";
1955 $self->leave_link; 2694 $self->leave_link;
1956 } 2695 }
1957 })->prio (1); 2696 })->prio (1);
… …
1970 2709
1971sub cf::client::send_drawinfo { 2710sub cf::client::send_drawinfo {
1972 my ($self, $text, $flags) = @_; 2711 my ($self, $text, $flags) = @_;
1973 2712
1974 utf8::encode $text; 2713 utf8::encode $text;
1975 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2714 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976} 2715}
1977 2716
2717=item $client->send_msg ($channel, $msg, $color, [extra...])
2718
2719Send a drawinfo or msg packet to the client, formatting the msg for the
2720client if neccessary. C<$type> should be a string identifying the type of
2721the message, with C<log> being the default. If C<$color> is negative, suppress
2722the message unless the client supports the msg packet.
2723
2724=cut
2725
2726# non-persistent channels (usually the info channel)
2727our %CHANNEL = (
2728 "c/identify" => {
2729 id => "infobox",
2730 title => "Identify",
2731 reply => undef,
2732 tooltip => "Items recently identified",
2733 },
2734 "c/examine" => {
2735 id => "infobox",
2736 title => "Examine",
2737 reply => undef,
2738 tooltip => "Signs and other items you examined",
2739 },
2740 "c/book" => {
2741 id => "infobox",
2742 title => "Book",
2743 reply => undef,
2744 tooltip => "The contents of a note or book",
2745 },
2746 "c/lookat" => {
2747 id => "infobox",
2748 title => "Look",
2749 reply => undef,
2750 tooltip => "What you saw there",
2751 },
2752 "c/who" => {
2753 id => "infobox",
2754 title => "Players",
2755 reply => undef,
2756 tooltip => "Shows players who are currently online",
2757 },
2758 "c/body" => {
2759 id => "infobox",
2760 title => "Body Parts",
2761 reply => undef,
2762 tooltip => "Shows which body parts you posess and are available",
2763 },
2764 "c/uptime" => {
2765 id => "infobox",
2766 title => "Uptime",
2767 reply => undef,
2768 tooltip => "How long the server has been running since last restart",
2769 },
2770 "c/mapinfo" => {
2771 id => "infobox",
2772 title => "Map Info",
2773 reply => undef,
2774 tooltip => "Information related to the maps",
2775 },
2776);
2777
2778sub cf::client::send_msg {
2779 my ($self, $channel, $msg, $color, @extra) = @_;
2780
2781 $msg = $self->pl->expand_cfpod ($msg);
2782
2783 $color &= cf::NDI_CLIENT_MASK; # just in case...
2784
2785 # check predefined channels, for the benefit of C
2786 if ($CHANNEL{$channel}) {
2787 $channel = $CHANNEL{$channel};
2788
2789 $self->ext_msg (channel_info => $channel)
2790 if $self->can_msg;
2791
2792 $channel = $channel->{id};
2793
2794 } elsif (ref $channel) {
2795 # send meta info to client, if not yet sent
2796 unless (exists $self->{channel}{$channel->{id}}) {
2797 $self->{channel}{$channel->{id}} = $channel;
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800 }
2801
2802 $channel = $channel->{id};
2803 }
2804
2805 return unless @extra || length $msg;
2806
2807 if ($self->can_msg) {
2808 # default colour, mask it out
2809 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810 if $color & cf::NDI_DEF;
2811
2812 $self->send_packet ("msg " . $self->{json_coder}->encode (
2813 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2814 } else {
2815 if ($color >= 0) {
2816 # replace some tags by gcfclient-compatible ones
2817 for ($msg) {
2818 1 while
2819 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824 }
2825
2826 $color &= cf::NDI_COLOR_MASK;
2827
2828 utf8::encode $msg;
2829
2830 if (0 && $msg =~ /\[/) {
2831 # COMMAND/INFO
2832 $self->send_packet ("drawextinfo $color 10 8 $msg")
2833 } else {
2834 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835 $self->send_packet ("drawinfo $color $msg")
2836 }
2837 }
2838 }
2839}
2840
2841=item $client->ext_msg ($type, @msg)
2842
2843Sends an ext event to the client.
2844
2845=cut
2846
2847sub cf::client::ext_msg($$@) {
2848 my ($self, $type, @msg) = @_;
2849
2850 if ($self->extcmd == 2) {
2851 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852 } elsif ($self->extcmd == 1) { # TODO: remove
2853 push @msg, msgtype => "event_$type";
2854 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855 }
2856}
2857
2858=item $client->ext_reply ($msgid, @msg)
2859
2860Sends an ext reply to the client.
2861
2862=cut
2863
2864sub cf::client::ext_reply($$@) {
2865 my ($self, $id, @msg) = @_;
2866
2867 if ($self->extcmd == 2) {
2868 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869 } elsif ($self->extcmd == 1) {
2870 #TODO: version 1, remove
2871 unshift @msg, msgtype => "reply", msgid => $id;
2872 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873 }
2874}
1978 2875
1979=item $success = $client->query ($flags, "text", \&cb) 2876=item $success = $client->query ($flags, "text", \&cb)
1980 2877
1981Queues a query to the client, calling the given callback with 2878Queues a query to the client, calling the given callback with
1982the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2879the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2880C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984 2881
1985Queries can fail, so check the return code. Or don't, as queries will become 2882Queries can fail, so check the return code. Or don't, as queries will
1986reliable at some point in the future. 2883become reliable at some point in the future.
1987 2884
1988=cut 2885=cut
1989 2886
1990sub cf::client::query { 2887sub cf::client::query {
1991 my ($self, $flags, $text, $cb) = @_; 2888 my ($self, $flags, $text, $cb) = @_;
… …
1999 utf8::encode $text; 2896 utf8::encode $text;
2000 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2897 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001 2898
2002 $self->send_packet ($self->{query_queue}[0][0]) 2899 $self->send_packet ($self->{query_queue}[0][0])
2003 if @{ $self->{query_queue} } == 1; 2900 if @{ $self->{query_queue} } == 1;
2901
2902 1
2004} 2903}
2005 2904
2006cf::client->attach ( 2905cf::client->attach (
2906 on_connect => sub {
2907 my ($ns) = @_;
2908
2909 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2910 },
2007 on_reply => sub { 2911 on_reply => sub {
2008 my ($ns, $msg) = @_; 2912 my ($ns, $msg) = @_;
2009 2913
2010 # this weird shuffling is so that direct followup queries 2914 # this weird shuffling is so that direct followup queries
2011 # get handled first 2915 # get handled first
… …
2023 } else { 2927 } else {
2024 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2928 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025 } 2929 }
2026 } 2930 }
2027 }, 2931 },
2932 on_exticmd => sub {
2933 my ($ns, $buf) = @_;
2934
2935 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2936
2937 if (ref $msg) {
2938 my ($type, $reply, @payload) =
2939 "ARRAY" eq ref $msg
2940 ? @$msg
2941 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2942
2943 my @reply;
2944
2945 if (my $cb = $EXTICMD{$type}) {
2946 @reply = $cb->($ns, @payload);
2947 }
2948
2949 $ns->ext_reply ($reply, @reply)
2950 if $reply;
2951
2952 } else {
2953 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2954 }
2955
2956 cf::override;
2957 },
2028); 2958);
2029 2959
2030=item $client->async (\&cb) 2960=item $client->async (\&cb)
2031 2961
2032Create a new coroutine, running the specified callback. The coroutine will 2962Create a new coroutine, running the specified callback. The coroutine will
… …
2073our $safe = new Safe "safe"; 3003our $safe = new Safe "safe";
2074our $safe_hole = new Safe::Hole; 3004our $safe_hole = new Safe::Hole;
2075 3005
2076$SIG{FPE} = 'IGNORE'; 3006$SIG{FPE} = 'IGNORE';
2077 3007
2078$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3008$safe->permit_only (Opcode::opset qw(
3009 :base_core :base_mem :base_orig :base_math
3010 grepstart grepwhile mapstart mapwhile
3011 sort time
3012));
2079 3013
2080# here we export the classes and methods available to script code 3014# here we export the classes and methods available to script code
2081 3015
2082=pod 3016=pod
2083 3017
2084The following fucntions and emthods are available within a safe environment: 3018The following functions and methods are available within a safe environment:
2085 3019
2086 cf::object contr pay_amount pay_player map 3020 cf::object
3021 contr pay_amount pay_player map x y force_find force_add destroy
3022 insert remove name archname title slaying race decrease_ob_nr
3023
2087 cf::object::player player 3024 cf::object::player
2088 cf::player peaceful 3025 player
2089 cf::map trigger 3026
3027 cf::player
3028 peaceful
3029
3030 cf::map
3031 trigger
2090 3032
2091=cut 3033=cut
2092 3034
2093for ( 3035for (
2094 ["cf::object" => qw(contr pay_amount pay_player map)], 3036 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037 insert remove inv name archname title slaying race
3038 decrease_ob_nr destroy)],
2095 ["cf::object::player" => qw(player)], 3039 ["cf::object::player" => qw(player)],
2096 ["cf::player" => qw(peaceful)], 3040 ["cf::player" => qw(peaceful)],
2097 ["cf::map" => qw(trigger)], 3041 ["cf::map" => qw(trigger)],
2098) { 3042) {
2099 no strict 'refs'; 3043 no strict 'refs';
… …
2170=back 3114=back
2171 3115
2172=cut 3116=cut
2173 3117
2174############################################################################# 3118#############################################################################
2175
2176=head2 EXTENSION DATABASE SUPPORT
2177
2178Crossfire maintains a very simple database for extension use. It can
2179currently store anything that can be serialised using Storable, which
2180excludes objects.
2181
2182The parameter C<$family> should best start with the name of the extension
2183using it, it should be unique.
2184
2185=over 4
2186
2187=item $value = cf::db_get $family => $key
2188
2189Returns a single value from the database.
2190
2191=item cf::db_put $family => $key => $value
2192
2193Stores the given C<$value> in the family.
2194
2195=cut
2196
2197our $DB;
2198
2199sub db_init {
2200 unless ($DB) {
2201 $DB = BDB::db_create $DB_ENV;
2202
2203 cf::sync_job {
2204 eval {
2205 $DB->set_flags (BDB::CHKSUM);
2206
2207 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209 cf::cleanup "db_open(db): $!" if $!;
2210 };
2211 cf::cleanup "db_open(db): $@" if $@;
2212 };
2213
2214 my $path = cf::localdir . "/database.pst";
2215 if (stat $path) {
2216 cf::sync_job {
2217 my $pst = Storable::retrieve $path;
2218
2219 cf::db_put (board => data => $pst->{board});
2220 cf::db_put (guildrules => data => $pst->{guildrules});
2221 cf::db_put (rent => balance => $pst->{rent}{balance});
2222 BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224 unlink $path;
2225 };
2226 }
2227 }
2228}
2229
2230sub db_get($$) {
2231 my $key = "$_[0]/$_[1]";
2232
2233 cf::sync_job {
2234 BDB::db_get $DB, undef, $key, my $data;
2235
2236 $! ? ()
2237 : Compress::LZF::sthaw $data
2238 }
2239}
2240
2241sub db_put($$$) {
2242 BDB::dbreq_pri 4;
2243 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244}
2245
2246#############################################################################
2247# the server's init and main functions 3119# the server's init and main functions
2248 3120
2249sub init_resources { 3121sub load_facedata($) {
2250 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3122 my ($path) = @_;
3123
3124 # HACK to clear player env face cache, we need some signal framework
3125 # for this (global event?)
3126 %ext::player_env::MUSIC_FACE_CACHE = ();
3127
3128 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129
3130 warn "loading facedata from $path\n";
3131
3132 my $facedata;
3133 0 < aio_load $path, $facedata
3134 or die "$path: $!";
3135
3136 $facedata = Coro::Storable::thaw $facedata;
3137
3138 $facedata->{version} == 2
3139 or cf::cleanup "$path: version mismatch, cannot proceed.";
3140
3141 # patch in the exptable
3142 $facedata->{resource}{"res/exp_table"} = {
3143 type => FT_RSRC,
3144 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3145 };
3146 cf::cede_to_tick;
3147
3148 {
3149 my $faces = $facedata->{faceinfo};
3150
3151 while (my ($face, $info) = each %$faces) {
3152 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3153 cf::face::set_visibility $idx, $info->{visibility};
3154 cf::face::set_magicmap $idx, $info->{magicmap};
3155 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3156 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3157
3158 cf::cede_to_tick;
3159 }
3160
3161 while (my ($face, $info) = each %$faces) {
3162 next unless $info->{smooth};
3163 my $idx = cf::face::find $face
3164 or next;
3165 if (my $smooth = cf::face::find $info->{smooth}) {
3166 cf::face::set_smooth $idx, $smooth;
3167 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168 } else {
3169 warn "smooth face '$info->{smooth}' not found for face '$face'";
3170 }
3171
3172 cf::cede_to_tick;
3173 }
3174 }
3175
3176 {
3177 my $anims = $facedata->{animinfo};
3178
3179 while (my ($anim, $info) = each %$anims) {
3180 cf::anim::set $anim, $info->{frames}, $info->{facings};
3181 cf::cede_to_tick;
3182 }
3183
3184 cf::anim::invalidate_all; # d'oh
3185 }
3186
3187 {
3188 # TODO: for gcfclient pleasure, we should give resources
3189 # that gcfclient doesn't grok a >10000 face index.
3190 my $res = $facedata->{resource};
3191
3192 my $soundconf = delete $res->{"res/sound.conf"};
3193
3194 while (my ($name, $info) = each %$res) {
3195 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196 my $data;
3197
3198 if ($info->{type} & 1) {
3199 # prepend meta info
3200
3201 my $meta = $enc->encode ({
3202 name => $name,
3203 %{ $info->{meta} || {} },
3204 });
3205
3206 $data = pack "(w/a*)*", $meta, $info->{data};
3207 } else {
3208 $data = $info->{data};
3209 }
3210
3211 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212 cf::face::set_type $idx, $info->{type};
3213
3214 cf::cede_to_tick;
3215 }
3216
3217 if ($soundconf) {
3218 $soundconf = $enc->decode (delete $soundconf->{data});
3219
3220 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221 my $sound = $soundconf->{compat}[$_]
3222 or next;
3223
3224 my $face = cf::face::find "sound/$sound->[1]";
3225 cf::sound::set $sound->[0] => $face;
3226 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227 }
3228
3229 while (my ($k, $v) = each %{$soundconf->{event}}) {
3230 my $face = cf::face::find "sound/$v";
3231 cf::sound::set $k => $face;
3232 }
3233 }
3234 }
3235
3236 1
3237}
3238
3239register_exticmd fx_want => sub {
3240 my ($ns, $want) = @_;
3241
3242 while (my ($k, $v) = each %$want) {
3243 $ns->fx_want ($k, $v);
3244 }
3245};
3246
3247sub reload_regions {
3248 # HACK to clear player env face cache, we need some signal framework
3249 # for this (global event?)
3250 %ext::player_env::MUSIC_FACE_CACHE = ();
3251
3252 load_resource_file "$MAPDIR/regions"
2251 or die "unable to load regions file\n";#d# 3253 or die "unable to load regions file\n";
2252}
2253 3254
2254sub cfg_load { 3255 for (cf::region::list) {
3256 $_->{match} = qr/$_->{match}/
3257 if exists $_->{match};
3258 }
3259}
3260
3261sub reload_facedata {
3262 load_facedata "$DATADIR/facedata"
3263 or die "unable to load facedata\n";
3264}
3265
3266sub reload_archetypes {
3267 load_resource_file "$DATADIR/archetypes"
3268 or die "unable to load archetypes\n";
3269 #d# NEED to laod twice to resolve forward references
3270 # this really needs to be done in an extra post-pass
3271 # (which needs to be synchronous, so solve it differently)
3272 load_resource_file "$DATADIR/archetypes"
3273 or die "unable to load archetypes\n";
3274}
3275
3276sub reload_treasures {
3277 load_resource_file "$DATADIR/treasures"
3278 or die "unable to load treasurelists\n";
3279}
3280
3281sub reload_resources {
3282 warn "reloading resource files...\n";
3283
3284 reload_regions;
3285 reload_facedata;
3286 #reload_archetypes;#d#
3287 reload_archetypes;
3288 reload_treasures;
3289
3290 warn "finished reloading resource files\n";
3291}
3292
3293sub init {
3294 reload_resources;
3295}
3296
3297sub reload_config {
2255 open my $fh, "<:utf8", cf::confdir . "/config" 3298 open my $fh, "<:utf8", "$CONFDIR/config"
2256 or return; 3299 or return;
2257 3300
2258 local $/; 3301 local $/;
2259 *CFG = YAML::Syck::Load <$fh>; 3302 *CFG = YAML::Syck::Load <$fh>;
2260 3303
… …
2270 }; 3313 };
2271 warn $@ if $@; 3314 warn $@ if $@;
2272 } 3315 }
2273} 3316}
2274 3317
2275sub init {
2276 init_resources;
2277}
2278
2279sub main { 3318sub main {
2280 # we must not ever block the main coroutine 3319 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3320 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3321 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3322 (async {
2284 Event::one_event; 3323 $Coro::current->{desc} = "IDLE BUG HANDLER";
3324 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3325 })->prio (Coro::PRIO_MAX);
2286 }; 3326 };
2287 3327
2288 cfg_load; 3328 reload_config;
2289 db_init; 3329 db_init;
2290 load_extensions; 3330 load_extensions;
2291 3331
2292 $TICK_WATCHER->start; 3332 $TICK_WATCHER->start;
3333 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2293 Event::loop; 3334 EV::loop;
2294} 3335}
2295 3336
2296############################################################################# 3337#############################################################################
2297# initialisation and cleanup 3338# initialisation and cleanup
2298 3339
2299# install some emergency cleanup handlers 3340# install some emergency cleanup handlers
2300BEGIN { 3341BEGIN {
3342 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3343 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3344 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3345 cf::cleanup "SIG$signal";
2309 },
2310 ); 3346 };
3347 }
3348}
3349
3350sub write_runtime {
3351 my $runtime = "$LOCALDIR/runtime";
3352
3353 # first touch the runtime file to show we are still running:
3354 # the fsync below can take a very very long time.
3355
3356 IO::AIO::aio_utime $runtime, undef, undef;
3357
3358 my $guard = cf::lock_acquire "write_runtime";
3359
3360 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3361 or return;
3362
3363 my $value = $cf::RUNTIME + 90 + 10;
3364 # 10 is the runtime save interval, for a monotonic clock
3365 # 60 allows for the watchdog to kill the server.
3366
3367 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3368 and return;
3369
3370 # always fsync - this file is important
3371 aio_fsync $fh
3372 and return;
3373
3374 # touch it again to show we are up-to-date
3375 aio_utime $fh, undef, undef;
3376
3377 close $fh
3378 or return;
3379
3380 aio_rename "$runtime~", $runtime
3381 and return;
3382
3383 warn "runtime file written.\n";
3384
2311 } 3385 1
2312} 3386}
2313 3387
2314sub emergency_save() { 3388sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3389 my $freeze_guard = cf::freeze_mainloop;
2316 3390
… …
2322 # and maps saved/destroyed asynchronously. 3396 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3397 warn "begin emergency player save\n";
2324 for my $login (keys %cf::PLAYER) { 3398 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3399 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3400 $pl->valid or next;
3401 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3402 $pl->save;
2328 } 3403 }
2329 warn "end emergency player save\n"; 3404 warn "end emergency player save\n";
2330 3405
2331 warn "begin emergency map save\n"; 3406 warn "begin emergency map save\n";
… …
2349 3424
2350 warn Carp::longmess "post_cleanup backtrace" 3425 warn Carp::longmess "post_cleanup backtrace"
2351 if $make_core; 3426 if $make_core;
2352} 3427}
2353 3428
2354sub reload() { 3429sub do_reload_perl() {
2355 # can/must only be called in main 3430 # can/must only be called in main
2356 if ($Coro::current != $Coro::main) { 3431 if ($Coro::current != $Coro::main) {
2357 warn "can only reload from main coroutine"; 3432 warn "can only reload from main coroutine";
2358 return; 3433 return;
2359 } 3434 }
… …
2370 warn "syncing database to disk"; 3445 warn "syncing database to disk";
2371 BDB::db_env_txn_checkpoint $DB_ENV; 3446 BDB::db_env_txn_checkpoint $DB_ENV;
2372 3447
2373 # if anything goes wrong in here, we should simply crash as we already saved 3448 # if anything goes wrong in here, we should simply crash as we already saved
2374 3449
2375 warn "cancelling all WF_AUTOCANCEL watchers";
2376 for (Event::all_watchers) {
2377 $_->cancel if $_->data & WF_AUTOCANCEL;
2378 }
2379
2380 warn "flushing outstanding aio requests"; 3450 warn "flushing outstanding aio requests";
2381 for (;;) { 3451 for (;;) {
2382 BDB::flush; 3452 BDB::flush;
2383 IO::AIO::flush; 3453 IO::AIO::flush;
2384 Coro::cede; 3454 Coro::cede_notself;
2385 last unless IO::AIO::nreqs || BDB::nreqs; 3455 last unless IO::AIO::nreqs || BDB::nreqs;
2386 warn "iterate..."; 3456 warn "iterate...";
2387 } 3457 }
3458
3459 ++$RELOAD;
2388 3460
2389 warn "cancelling all extension coros"; 3461 warn "cancelling all extension coros";
2390 $_->cancel for values %EXT_CORO; 3462 $_->cancel for values %EXT_CORO;
2391 %EXT_CORO = (); 3463 %EXT_CORO = ();
2392 3464
2393 warn "removing commands"; 3465 warn "removing commands";
2394 %COMMAND = (); 3466 %COMMAND = ();
2395 3467
2396 warn "removing ext commands"; 3468 warn "removing ext/exti commands";
2397 %EXTCMD = (); 3469 %EXTCMD = ();
3470 %EXTICMD = ();
2398 3471
2399 warn "unloading/nuking all extensions"; 3472 warn "unloading/nuking all extensions";
2400 for my $pkg (@EXTS) { 3473 for my $pkg (@EXTS) {
2401 warn "... unloading $pkg"; 3474 warn "... unloading $pkg";
2402 3475
… …
2432 Symbol::delete_package "safe::$_" 3505 Symbol::delete_package "safe::$_"
2433 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3506 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2434 3507
2435 warn "unloading cf.pm \"a bit\""; 3508 warn "unloading cf.pm \"a bit\"";
2436 delete $INC{"cf.pm"}; 3509 delete $INC{"cf.pm"};
3510 delete $INC{"cf/pod.pm"};
2437 3511
2438 # don't, removes xs symbols, too, 3512 # don't, removes xs symbols, too,
2439 # and global variables created in xs 3513 # and global variables created in xs
2440 #Symbol::delete_package __PACKAGE__; 3514 #Symbol::delete_package __PACKAGE__;
2441 3515
… …
2444 warn "reloading cf.pm"; 3518 warn "reloading cf.pm";
2445 require cf; 3519 require cf;
2446 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3520 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447 3521
2448 warn "loading config and database again"; 3522 warn "loading config and database again";
2449 cf::cfg_load; 3523 cf::reload_config;
2450 3524
2451 warn "loading extensions"; 3525 warn "loading extensions";
2452 cf::load_extensions; 3526 cf::load_extensions;
2453 3527
2454 warn "reattaching attachments to objects/players"; 3528 warn "reattaching attachments to objects/players";
2455 _global_reattach; 3529 _global_reattach; # objects, sockets
2456 warn "reattaching attachments to maps"; 3530 warn "reattaching attachments to maps";
2457 reattach $_ for values %MAP; 3531 reattach $_ for values %MAP;
2458 3532 warn "reattaching attachments to players";
2459 warn "loading reloadable resources"; 3533 reattach $_ for values %PLAYER;
2460 init_resources;
2461 3534
2462 warn "leaving sync_job"; 3535 warn "leaving sync_job";
2463 3536
2464 1 3537 1
2465 } or do { 3538 } or do {
… …
2471 warn "reloaded"; 3544 warn "reloaded";
2472}; 3545};
2473 3546
2474our $RELOAD_WATCHER; # used only during reload 3547our $RELOAD_WATCHER; # used only during reload
2475 3548
3549sub reload_perl() {
3550 # doing reload synchronously and two reloads happen back-to-back,
3551 # coro crashes during coro_state_free->destroy here.
3552
3553 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3554 undef $RELOAD_WATCHER;
3555 do_reload_perl;
3556 };
3557}
3558
2476register_command "reload" => sub { 3559register_command "reload" => sub {
2477 my ($who, $arg) = @_; 3560 my ($who, $arg) = @_;
2478 3561
2479 if ($who->flag (FLAG_WIZ)) { 3562 if ($who->flag (FLAG_WIZ)) {
2480 $who->message ("reloading server."); 3563 $who->message ("reloading server.");
2481 3564 async {
2482 # doing reload synchronously and two reloads happen back-to-back, 3565 $Coro::current->{desc} = "perl_reload";
2483 # coro crashes during coro_state_free->destroy here.
2484
2485 $RELOAD_WATCHER ||= Event->timer (
2486 reentrant => 0,
2487 after => 0,
2488 data => WF_AUTOCANCEL,
2489 cb => sub {
2490 reload; 3566 reload_perl;
2491 undef $RELOAD_WATCHER;
2492 },
2493 ); 3567 };
2494 } 3568 }
2495}; 3569};
2496 3570
2497unshift @INC, $LIBDIR; 3571unshift @INC, $LIBDIR;
2498 3572
2499my $bug_warning = 0; 3573my $bug_warning = 0;
2500 3574
2501$TICK_WATCHER = Event->timer ( 3575our @WAIT_FOR_TICK;
2502 reentrant => 0, 3576our @WAIT_FOR_TICK_BEGIN;
2503 parked => 1, 3577
2504 prio => 0, 3578sub wait_for_tick {
2505 at => $NEXT_TICK || $TICK, 3579 return unless $TICK_WATCHER->is_active;
2506 data => WF_AUTOCANCEL, 3580 return if $Coro::current == $Coro::main;
2507 cb => sub { 3581
3582 my $signal = new Coro::Signal;
3583 push @WAIT_FOR_TICK, $signal;
3584 $signal->wait;
3585}
3586
3587sub wait_for_tick_begin {
3588 return unless $TICK_WATCHER->is_active;
3589 return if $Coro::current == $Coro::main;
3590
3591 my $signal = new Coro::Signal;
3592 push @WAIT_FOR_TICK_BEGIN, $signal;
3593 $signal->wait;
3594}
3595
3596$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2508 if ($Coro::current != $Coro::main) { 3597 if ($Coro::current != $Coro::main) {
2509 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3598 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510 unless ++$bug_warning > 10; 3599 unless ++$bug_warning > 10;
2511 return; 3600 return;
2512 } 3601 }
2513 3602
2514 $NOW = Event::time; 3603 $NOW = $tick_start = EV::now;
2515 3604
2516 cf::server_tick; # one server iteration 3605 cf::server_tick; # one server iteration
3606
2517 $RUNTIME += $TICK; 3607 $RUNTIME += $TICK;
2518 $NEXT_TICK += $TICK; 3608 $NEXT_TICK += $TICK;
2519 3609
2520 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3610 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521 $NEXT_RUNTIME_WRITE = $NOW + 10; 3611 $NEXT_RUNTIME_WRITE = $NOW + 10;
2522 Coro::async_pool { 3612 Coro::async_pool {
3613 $Coro::current->{desc} = "runtime saver";
2523 write_runtime 3614 write_runtime
2524 or warn "ERROR: unable to write runtime file: $!"; 3615 or warn "ERROR: unable to write runtime file: $!";
2525 };
2526 } 3616 };
2527
2528 $WAIT_FOR_TICK->broadcast;
2529 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531# my $AFTER = Event::time;
2532# warn $AFTER - $NOW;#d#
2533
2534 # if we are delayed by four ticks or more, skip them all
2535 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537 $TICK_WATCHER->at ($NEXT_TICK);
2538 $TICK_WATCHER->start;
2539 }, 3617 }
2540); 3618
3619 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3620 $sig->send;
3621 }
3622 while (my $sig = shift @WAIT_FOR_TICK) {
3623 $sig->send;
3624 }
3625
3626 $LOAD = ($NOW - $tick_start) / $TICK;
3627 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3628
3629 _post_tick;
3630};
3631$TICK_WATCHER->priority (EV::MAXPRI);
2541 3632
2542{ 3633{
3634 BDB::min_parallel 8;
2543 BDB::max_poll_time $TICK * 0.1; 3635 BDB::max_poll_time $TICK * 0.1;
2544 $BDB_POLL_WATCHER = Event->io ( 3636 $BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2545 reentrant => 0,
2546 fd => BDB::poll_fileno,
2547 poll => 'r',
2548 prio => 0,
2549 data => WF_AUTOCANCEL,
2550 cb => \&BDB::poll_cb,
2551 );
2552 BDB::min_parallel 8;
2553 3637
2554 BDB::set_sync_prepare { 3638 BDB::set_sync_prepare {
2555 my $status; 3639 my $status;
2556 my $current = $Coro::current; 3640 my $current = $Coro::current;
2557 ( 3641 (
… …
2566 ) 3650 )
2567 }; 3651 };
2568 3652
2569 unless ($DB_ENV) { 3653 unless ($DB_ENV) {
2570 $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);
2571 3659
2572 cf::sync_job { 3660 cf::sync_job {
2573 eval { 3661 eval {
2574 BDB::db_env_open 3662 BDB::db_env_open
2575 $DB_ENV, 3663 $DB_ENV,
2576 $BDB_ENV_DIR, 3664 $BDBDIR,
2577 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3665 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3666 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579 0666; 3667 0666;
2580 3668
2581 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3669 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584 $DB_ENV->set_lk_detect;
2585 }; 3670 };
2586 3671
2587 cf::cleanup "db_env_open(db): $@" if $@; 3672 cf::cleanup "db_env_open(db): $@" if $@;
2588 }; 3673 };
2589 } 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 };
2590} 3685}
2591 3686
2592{ 3687{
2593 IO::AIO::min_parallel 8; 3688 IO::AIO::min_parallel 8;
2594 3689
2595 undef $Coro::AIO::WATCHER; 3690 undef $Coro::AIO::WATCHER;
2596 IO::AIO::max_poll_time $TICK * 0.1; 3691 IO::AIO::max_poll_time $TICK * 0.1;
2597 $AIO_POLL_WATCHER = Event->io ( 3692 $AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2598 reentrant => 0,
2599 data => WF_AUTOCANCEL,
2600 fd => IO::AIO::poll_fileno,
2601 poll => 'r',
2602 prio => 6,
2603 cb => \&IO::AIO::poll_cb,
2604 );
2605} 3693}
3694
3695my $_log_backtrace;
3696
3697sub _log_backtrace {
3698 my ($msg, @addr) = @_;
3699
3700 $msg =~ s/\n//;
3701
3702 # limit the # of concurrent backtraces
3703 if ($_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";
3732 }
3733}
3734
3735# load additional modules
3736use cf::pod;
2606 3737
2607END { cf::emergency_save } 3738END { cf::emergency_save }
2608 3739
26091 37401
2610 3741

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