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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 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 Event; 9use EV;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.52 (); 15use Coro 4.1 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::EV;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
21use Coro::Storable; 23use Coro::Storable;
24use Coro::Util ();
22 25
26use JSON::XS 2.01 ();
23use BDB (); 27use BDB ();
24use Data::Dumper; 28use Data::Dumper;
25use Digest::MD5; 29use Digest::MD5;
26use Fcntl; 30use Fcntl;
27use YAML::Syck (); 31use YAML::Syck ();
28use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
29use Time::HiRes; 33use Time::HiRes;
30use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
31 36
32# configure various modules to our taste 37# configure various modules to our taste
33# 38#
34$Storable::canonical = 1; # reduce rsync transfers 39$Storable::canonical = 1; # reduce rsync transfers
35Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36Compress::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
37 42
38$Event::Eval = 1; # no idea why this is required, but it is
39
40# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 43# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41$YAML::Syck::ImplicitUnicode = 1; 44$YAML::Syck::ImplicitUnicode = 1;
42 45
43$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
44 47
… …
47our %COMMAND = (); 50our %COMMAND = ();
48our %COMMAND_TIME = (); 51our %COMMAND_TIME = ();
49 52
50our @EXTS = (); # list of extension package names 53our @EXTS = (); # list of extension package names
51our %EXTCMD = (); 54our %EXTCMD = ();
55our %EXTICMD = ();
52our %EXT_CORO = (); # coroutines bound to extensions 56our %EXT_CORO = (); # coroutines bound to extensions
53our %EXT_MAP = (); # pluggable maps 57our %EXT_MAP = (); # pluggable maps
54 58
55our $RELOAD; # number of reloads so far 59our $RELOAD; # number of reloads so far
56our @EVENT; 60our @EVENT;
57our $LIBDIR = datadir . "/ext";
58 61
59our $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(!)
60our $TICK_WATCHER; 75our $TICK_WATCHER;
61our $AIO_POLL_WATCHER; 76our $AIO_POLL_WATCHER;
62our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 77our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63our $NEXT_TICK; 78our $NEXT_TICK;
64our $NOW; 79our $NOW;
65our $USE_FSYNC = 1; # use fsync to write maps - default off 80our $USE_FSYNC = 1; # use fsync to write maps - default off
66 81
67our $BDB_POLL_WATCHER; 82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
68our $DB_ENV; 86our $DB_ENV;
69 87
70our %CFG; 88our %CFG;
71 89
72our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
73our $RUNTIME; 91our $RUNTIME;
74 92
75our %PLAYER; # all users 93our (%PLAYER, %PLAYER_LOADING); # all users
76our %MAP; # all maps 94our (%MAP, %MAP_LOADING ); # all maps
77our $LINK_MAP; # the special {link} map, which is always available 95our $LINK_MAP; # the special {link} map, which is always available
78our $RANDOM_MAPS = cf::localdir . "/random";
79our $BDB_ENV_DIR = cf::localdir . "/db";
80
81our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83 96
84# 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 ∕
85our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 98our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86 99
100our $LOAD; # a number between 0 (idle) and 1 (too many objects)
101our $LOADAVG; # same thing, but with alpha-smoothing
102our $tick_start; # for load detecting purposes
103
87binmode STDOUT; 104binmode STDOUT;
88binmode STDERR; 105binmode STDERR;
89 106
90# read virtual server time, if available 107# read virtual server time, if available
91unless ($RUNTIME || !-e cf::localdir . "/runtime") { 108unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92 open my $fh, "<", cf::localdir . "/runtime" 109 open my $fh, "<", "$LOCALDIR/runtime"
93 or die "unable to read runtime file: $!"; 110 or die "unable to read runtime file: $!";
94 $RUNTIME = <$fh> + 0.; 111 $RUNTIME = <$fh> + 0.;
95} 112}
96 113
97mkdir cf::localdir; 114mkdir $_
98mkdir cf::localdir . "/" . cf::playerdir; 115 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99mkdir cf::localdir . "/" . cf::tmpdir;
100mkdir cf::localdir . "/" . cf::uniquedir;
101mkdir $RANDOM_MAPS;
102mkdir $BDB_ENV_DIR;
103 116
104our $EMERGENCY_POSITION; 117our $EMERGENCY_POSITION;
105 118
106sub cf::map::normalise; 119sub cf::map::normalise;
107 120
… …
118=item $cf::RUNTIME 131=item $cf::RUNTIME
119 132
120The 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
121every server tick. 134every server tick.
122 135
123=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
124 139
125The perl library directory, where extensions and cf-specific modules can 140Various directories - "/etc", read-only install directory, perl-library
126be 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.
127 144
128=item $cf::NOW 145=item $cf::NOW
129 146
130The time of the last (current) server tick. 147The time of the last (current) server tick.
131 148
132=item $cf::TICK 149=item $cf::TICK
133 150
134The interval between server ticks, in seconds. 151The interval between server ticks, in seconds.
135 152
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
136=item %cf::CFG 163=item %cf::CFG
137 164
138Configuration for the server, loaded from C</etc/crossfire/config>, or 165Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139from wherever your confdir points to. 166from wherever your confdir points to.
140 167
141=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 168=item cf::wait_for_tick, cf::wait_for_tick_begin
142 169
143These 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
144or 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
145processing 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.
146window 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.
147 179
148=back 180=back
149 181
150=cut 182=cut
151 183
152BEGIN { 184BEGIN {
153 *CORE::GLOBAL::warn = sub { 185 *CORE::GLOBAL::warn = sub {
154 my $msg = join "", @_; 186 my $msg = join "", @_;
155 utf8::encode $msg;
156 187
157 $msg .= "\n" 188 $msg .= "\n"
158 unless $msg =~ /\n$/; 189 unless $msg =~ /\n$/;
190
191 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159 192
160 LOG llevError, $msg; 193 LOG llevError, $msg;
161 }; 194 };
162} 195}
163 196
164@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168@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';
169@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)
170 204
171# 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
172# within the Safe compartment. 206# within the Safe compartment.
173for my $pkg (qw( 207for my $pkg (qw(
174 cf::global cf::attachable 208 cf::global cf::attachable
… …
179)) { 213)) {
180 no strict 'refs'; 214 no strict 'refs';
181 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 215 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182} 216}
183 217
184$Event::DIED = sub { 218$EV::DIED = sub {
185 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
186}; 220};
221
222#############################################################################
187 223
188=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
189 225
190=over 4 226=over 4
191 227
… …
210 $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;
211 $d 247 $d
212 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
213} 249}
214 250
215use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217=item $ref = cf::from_json $json 251=item $ref = cf::decode_json $json
218 252
219Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
220 254
221=item $json = cf::to_json $ref 255=item $json = cf::encode_json $ref
222 256
223Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
258
259=cut
260
261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262
263sub encode_json($) { $json_coder->encode ($_[0]) }
264sub decode_json($) { $json_coder->decode ($_[0]) }
224 265
225=item cf::lock_wait $string 266=item cf::lock_wait $string
226 267
227Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
228 269
… …
231Wait 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
232a 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,
233for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
234returned. 275returned.
235 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
236Lock 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
237uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
238 282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
286
239=cut 287=cut
240 288
241our %LOCK; 289our %LOCK;
290our %LOCKER;#d#
242 291
243sub lock_wait($) { 292sub lock_wait($) {
244 my ($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#
245 299
246 # wait for lock, if any 300 # wait for lock, if any
247 while ($LOCK{$key}) { 301 while ($LOCK{$key}) {
248 push @{ $LOCK{$key} }, $Coro::current; 302 push @{ $LOCK{$key} }, $Coro::current;
249 Coro::schedule; 303 Coro::schedule;
… …
255 309
256 # wait, to be sure we are not locked 310 # wait, to be sure we are not locked
257 lock_wait $key; 311 lock_wait $key;
258 312
259 $LOCK{$key} = []; 313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
260 315
261 Coro::guard { 316 Coro::guard {
317 delete $LOCKER{$key};#d#
262 # wake up all waiters, to be on the safe side 318 # wake up all waiters, to be on the safe side
263 $_->ready for @{ delete $LOCK{$key} }; 319 $_->ready for @{ delete $LOCK{$key} };
264 } 320 }
321}
322
323sub lock_active($) {
324 my ($key) = @_;
325
326 ! ! $LOCK{$key}
265} 327}
266 328
267sub freeze_mainloop { 329sub freeze_mainloop {
268 return unless $TICK_WATCHER->is_active; 330 return unless $TICK_WATCHER->is_active;
269 331
… …
272 }; 334 };
273 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
274 $guard 336 $guard
275} 337}
276 338
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 $sig->wait;
410}
411
277=item cf::async { BLOCK } 412=item cf::async { BLOCK }
278 413
279Currently the same as Coro::async_pool, meaning you cannot use 414Currently the same as Coro::async_pool, meaning you cannot use
280C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 415C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281thing you are allowed to do is call C<prio> on it. 416thing you are allowed to do is call C<prio> on it.
… …
284 419
285BEGIN { *async = \&Coro::async_pool } 420BEGIN { *async = \&Coro::async_pool }
286 421
287=item cf::sync_job { BLOCK } 422=item cf::sync_job { BLOCK }
288 423
289The design of crossfire+ requires that the main coro ($Coro::main) is 424The design of Deliantra requires that the main coroutine ($Coro::main)
290always able to handle events or runnable, as crossfire+ is only partly 425is always able to handle events or runnable, as Deliantra is only
291reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 426partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
427acceptable.
292 428
293If it must be done, put the blocking parts into C<sync_job>. This will run 429If it must be done, put the blocking parts into C<sync_job>. This will run
294the given BLOCK in another coroutine while waiting for the result. The 430the given BLOCK in another coroutine while waiting for the result. The
295server will be frozen during this time, so the block should either finish 431server will be frozen during this time, so the block should either finish
296fast or be very important. 432fast or be very important.
… …
299 435
300sub sync_job(&) { 436sub sync_job(&) {
301 my ($job) = @_; 437 my ($job) = @_;
302 438
303 if ($Coro::current == $Coro::main) { 439 if ($Coro::current == $Coro::main) {
440 my $time = EV::time;
441
304 # this is the main coro, too bad, we have to block 442 # this is the main coro, too bad, we have to block
305 # till the operation succeeds, freezing the server :/ 443 # till the operation succeeds, freezing the server :/
306 444
445 LOG llevError, Carp::longmess "sync job";#d#
446
307 # TODO: use suspend/resume instead 447 # TODO: use suspend/resume instead
308 # (but this is cancel-safe) 448 # (but this is cancel-safe)
309 my $freeze_guard = freeze_mainloop; 449 my $freeze_guard = freeze_mainloop;
310 450
311 my $busy = 1; 451 my $busy = 1;
312 my @res; 452 my @res;
313 453
314 (async { 454 (async {
455 $Coro::current->desc ("sync job coro");
315 @res = eval { $job->() }; 456 @res = eval { $job->() };
316 warn $@ if $@; 457 warn $@ if $@;
317 undef $busy; 458 undef $busy;
318 })->prio (Coro::PRIO_MAX); 459 })->prio (Coro::PRIO_MAX);
319 460
320 while ($busy) { 461 while ($busy) {
321 Coro::cede or Event::one_event; 462 if (Coro::nready) {
463 Coro::cede_notself;
464 } else {
465 EV::loop EV::LOOP_ONESHOT;
322 } 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
323 475
324 wantarray ? @res : $res[0] 476 wantarray ? @res : $res[0]
325 } else { 477 } else {
326 # we are in another coroutine, how wonderful, everything just works 478 # we are in another coroutine, how wonderful, everything just works
327 479
… …
347 $EXT_CORO{$coro+0} = $coro; 499 $EXT_CORO{$coro+0} = $coro;
348 500
349 $coro 501 $coro
350} 502}
351 503
352sub write_runtime { 504=item fork_call { }, $args
353 my $guard = cf::lock_acquire "write_runtime";
354 505
355 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.
356 510
357 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 511=cut
358 or return;
359 512
360 my $value = $cf::RUNTIME + 90 + 10; 513sub fork_call(&@) {
361 # 10 is the runtime save interval, for a monotonic clock 514 my ($cb, @args) = @_;
362 # 60 allows for the watchdog to kill the server.
363 515
364 (aio_write $fh, 0, (length $value), $value, 0) <= 0 516 # we seemingly have to make a local copy of the whole thing,
365 and return; 517 # otherwise perl prematurely frees the stuff :/
518 # TODO: investigate and fix (likely this will be rather laborious)
366 519
367 # always fsync - this file is important 520 my @res = Coro::Util::fork_eval {
368 aio_fsync $fh 521 reset_signals;
369 and return; 522 &$cb
523 }, @args;
370 524
371 close $fh 525 wantarray ? @res : $res[-1]
372 or return; 526}
373 527
374 aio_rename "$runtime~", $runtime 528=item $value = cf::db_get $family => $key
375 and return;
376 529
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($$) {
570 my $key = "$_[0]/$_[1]";
571
572 cf::sync_job {
573 BDB::db_get $DB, undef, $key, my $data;
574
575 $! ? ()
576 : $data
377 1 577 }
578}
579
580sub db_put($$$) {
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"
378} 653}
379 654
380=item cf::datalog type => key => value, ... 655=item cf::datalog type => key => value, ...
381 656
382Log a datalog packet of the given type with the given key-value pairs. 657Log a datalog packet of the given type with the given key-value pairs.
… …
400attach callbacks/event handlers (a collection of which is called an "attachment") 675attach callbacks/event handlers (a collection of which is called an "attachment")
401to it. All such attachable objects support the following methods. 676to it. All such attachable objects support the following methods.
402 677
403In 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>
404C<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
405crossfire+). 680Deliantra).
406 681
407=over 4 682=over 4
408 683
409=item $attachable->attach ($attachment, key => $value...) 684=item $attachable->attach ($attachment, key => $value...)
410 685
… …
573 $registry = $CB_TYPE[$object_type] ||= []; 848 $registry = $CB_TYPE[$object_type] ||= [];
574 849
575 } elsif ($type eq "subtype") { 850 } elsif ($type eq "subtype") {
576 defined $object_type or Carp::croak "subtype specified without type"; 851 defined $object_type or Carp::croak "subtype specified without type";
577 my $object_subtype = shift @arg; 852 my $object_subtype = shift @arg;
578 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 853 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579 854
580 } elsif ($type eq "package") { 855 } elsif ($type eq "package") {
581 my $pkg = shift @arg; 856 my $pkg = shift @arg;
582 857
583 while (my ($name, $id) = each %cb_id) { 858 while (my ($name, $id) = each %cb_id) {
… …
612 _attach $registry, $klass, @attach; 887 _attach $registry, $klass, @attach;
613 } 888 }
614 889
615 $obj->{$name} = \%arg; 890 $obj->{$name} = \%arg;
616 } else { 891 } else {
617 warn "object uses attachment '$name' that is not available, postponing.\n"; 892 warn "object uses attachment '$name' which is not available, postponing.\n";
618 } 893 }
619 894
620 $obj->{_attachment}{$name} = undef; 895 $obj->{_attachment}{$name} = undef;
621} 896}
622 897
… …
624 if (ref $_[0]) { 899 if (ref $_[0]) {
625 _object_attach @_; 900 _object_attach @_;
626 } else { 901 } else {
627 _attach shift->_attach_registry, @_; 902 _attach shift->_attach_registry, @_;
628 } 903 }
904 _recalc_want;
629}; 905};
630 906
631# all those should be optimised 907# all those should be optimised
632sub cf::attachable::detach { 908sub cf::attachable::detach {
633 my ($obj, $name) = @_; 909 my ($obj, $name) = @_;
… …
636 delete $obj->{_attachment}{$name}; 912 delete $obj->{_attachment}{$name};
637 reattach ($obj); 913 reattach ($obj);
638 } else { 914 } else {
639 Carp::croak "cannot, currently, detach class attachments"; 915 Carp::croak "cannot, currently, detach class attachments";
640 } 916 }
917 _recalc_want;
641}; 918};
642 919
643sub cf::attachable::attached { 920sub cf::attachable::attached {
644 my ($obj, $name) = @_; 921 my ($obj, $name) = @_;
645 922
… …
660 "; 937 ";
661 die if $@; 938 die if $@;
662} 939}
663 940
664our $override; 941our $override;
665our @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?
666 943
667sub override { 944sub override {
668 $override = 1; 945 $override = 1;
669 @invoke_results = (); 946 @INVOKE_RESULTS = (@_);
670} 947}
671 948
672sub do_invoke { 949sub do_invoke {
673 my $event = shift; 950 my $event = shift;
674 my $callbacks = shift; 951 my $callbacks = shift;
675 952
676 @invoke_results = (); 953 @INVOKE_RESULTS = ();
677 954
678 local $override; 955 local $override;
679 956
680 for (@$callbacks) { 957 for (@$callbacks) {
681 eval { &{$_->[1]} }; 958 eval { &{$_->[1]} };
… …
698 975
699Generate an object-specific event with the given arguments. 976Generate an object-specific event with the given arguments.
700 977
701This 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
702removed 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
703results (if you must, access C<@cf::invoke_results> directly). 980results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704 981
705=back 982=back
706 983
707=cut 984=cut
708 985
709############################################################################# 986#############################################################################
710# 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, $ob2
1029}
711 1030
712sub reattach { 1031sub reattach {
713 # basically do the same as instantiate, without calling instantiate 1032 # basically do the same as instantiate, without calling instantiate
714 my ($obj) = @_; 1033 my ($obj) = @_;
715 1034
… …
736cf::attachable->attach ( 1055cf::attachable->attach (
737 prio => -1000000, 1056 prio => -1000000,
738 on_instantiate => sub { 1057 on_instantiate => sub {
739 my ($obj, $data) = @_; 1058 my ($obj, $data) = @_;
740 1059
741 $data = from_json $data; 1060 $data = decode_json $data;
742 1061
743 for (@$data) { 1062 for (@$data) {
744 my ($name, $args) = @$_; 1063 my ($name, $args) = @$_;
745 1064
746 $obj->attach ($name, %{$args || {} }); 1065 $obj->attach ($name, %{$args || {} });
… …
762sub object_freezer_save { 1081sub object_freezer_save {
763 my ($filename, $rdata, $objs) = @_; 1082 my ($filename, $rdata, $objs) = @_;
764 1083
765 sync_job { 1084 sync_job {
766 if (length $$rdata) { 1085 if (length $$rdata) {
1086 utf8::decode (my $decname = $filename);
767 warn sprintf "saving %s (%d,%d)\n", 1087 warn sprintf "saving %s (%d,%d)\n",
768 $filename, length $$rdata, scalar @$objs; 1088 $decname, length $$rdata, scalar @$objs;
769 1089
770 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1090 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1091 chmod SAVE_MODE, $fh;
772 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1092 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773 aio_fsync $fh if $cf::USE_FSYNC; 1093 aio_fsync $fh if $cf::USE_FSYNC;
774 close $fh; 1094 close $fh;
775 1095
776 if (@$objs) { 1096 if (@$objs) {
777 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) {
778 chmod SAVE_MODE, $fh; 1098 chmod SAVE_MODE, $fh;
779 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1099 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780 aio_write $fh, 0, (length $data), $data, 0; 1100 aio_write $fh, 0, (length $data), $data, 0;
781 aio_fsync $fh if $cf::USE_FSYNC; 1101 aio_fsync $fh if $cf::USE_FSYNC;
782 close $fh; 1102 close $fh;
783 aio_rename "$filename.pst~", "$filename.pst"; 1103 aio_rename "$filename.pst~", "$filename.pst";
784 } 1104 }
… …
792 } 1112 }
793 } else { 1113 } else {
794 aio_unlink $filename; 1114 aio_unlink $filename;
795 aio_unlink "$filename.pst"; 1115 aio_unlink "$filename.pst";
796 } 1116 }
797 } 1117 };
798} 1118}
799 1119
800sub object_freezer_as_string { 1120sub object_freezer_as_string {
801 my ($rdata, $objs) = @_; 1121 my ($rdata, $objs) = @_;
802 1122
… …
814 or return; 1134 or return;
815 1135
816 unless (aio_stat "$filename.pst") { 1136 unless (aio_stat "$filename.pst") {
817 (aio_load "$filename.pst", $av) >= 0 1137 (aio_load "$filename.pst", $av) >= 0
818 or return; 1138 or return;
1139
819 $av = eval { (Storable::thaw $av)->{objs} }; 1140 my $st = eval { Coro::Storable::thaw $av };
1141 $av = $st->{objs};
820 } 1142 }
821 1143
1144 utf8::decode (my $decname = $filename);
822 warn sprintf "loading %s (%d)\n", 1145 warn sprintf "loading %s (%d,%d)\n",
823 $filename, length $data, scalar @{$av || []};#d# 1146 $decname, length $data, scalar @{$av || []};
1147
824 return ($data, $av); 1148 ($data, $av)
825} 1149}
1150
1151=head2 COMMAND CALLBACKS
1152
1153=over 4
1154
1155=cut
826 1156
827############################################################################# 1157#############################################################################
828# command handling &c 1158# command handling &c
829 1159
830=item cf::register_command $name => \&callback($ob,$args); 1160=item cf::register_command $name => \&callback($ob,$args);
… …
843 push @{ $COMMAND{$name} }, [$caller, $cb]; 1173 push @{ $COMMAND{$name} }, [$caller, $cb];
844} 1174}
845 1175
846=item cf::register_extcmd $name => \&callback($pl,$packet); 1176=item cf::register_extcmd $name => \&callback($pl,$packet);
847 1177
848Register 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.
849 1183
850If 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
851called. 1185called.
852 1186
1187=item cf::register_exticmd $name => \&callback($ns,$packet);
1188
1189Register a callback for execution when the client sends an (asynchronous)
1190exticmd packet. Exti commands are processed by the server as soon as they
1191are received, i.e. out of order w.r.t. other commands. The first argument
1192is a client socket. Exti commands can be received anytime, even before
1193log-in.
1194
1195If the callback returns something, it is sent back as if reply was being
1196called.
1197
853=cut 1198=cut
854 1199
855sub register_extcmd { 1200sub register_extcmd {
856 my ($name, $cb) = @_; 1201 my ($name, $cb) = @_;
857 1202
858 $EXTCMD{$name} = $cb; 1203 $EXTCMD{$name} = $cb;
1204}
1205
1206sub register_exticmd {
1207 my ($name, $cb) = @_;
1208
1209 $EXTICMD{$name} = $cb;
859} 1210}
860 1211
861cf::player->attach ( 1212cf::player->attach (
862 on_command => sub { 1213 on_command => sub {
863 my ($pl, $name, $params) = @_; 1214 my ($pl, $name, $params) = @_;
… …
872 cf::override; 1223 cf::override;
873 }, 1224 },
874 on_extcmd => sub { 1225 on_extcmd => sub {
875 my ($pl, $buf) = @_; 1226 my ($pl, $buf) = @_;
876 1227
877 my $msg = eval { from_json $buf }; 1228 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878 1229
879 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
880 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1238 if (my $cb = $EXTCMD{$type}) {
881 if (my %reply = $cb->($pl, $msg)) { 1239 @reply = $cb->($pl, @payload);
882 $pl->ext_reply ($msg->{msgid}, %reply);
883 }
884 } 1240 }
1241
1242 $pl->ext_reply ($reply, @reply)
1243 if $reply;
1244
885 } else { 1245 } else {
886 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1246 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887 } 1247 }
888 1248
889 cf::override; 1249 cf::override;
890 }, 1250 },
891); 1251);
892 1252
893sub load_extension {
894 my ($path) = @_;
895
896 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
897 my $base = $1;
898 my $pkg = $1;
899 $pkg =~ s/[^[:word:]]/_/g;
900 $pkg = "ext::$pkg";
901
902 warn "... loading '$path' into '$pkg'\n";
903
904 open my $fh, "<:utf8", $path
905 or die "$path: $!";
906
907 my $source =
908 "package $pkg; use strict; use utf8;\n"
909 . "#line 1 \"$path\"\n{\n"
910 . (do { local $/; <$fh> })
911 . "\n};\n1";
912
913 unless (eval $source) {
914 my $msg = $@ ? "$path: $@\n"
915 : "extension disabled.\n";
916 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917 warn $@;
918 warn "mandatory extension failed to load, exiting.\n";
919 exit 1;
920 }
921 die $@;
922 }
923
924 push @EXTS, $pkg;
925}
926
927sub load_extensions { 1253sub load_extensions {
1254 cf::sync_job {
1255 my %todo;
1256
928 for my $ext (<$LIBDIR/*.ext>) { 1257 for my $path (<$LIBDIR/*.ext>) {
929 next unless -r $ext; 1258 next unless -r $path;
930 eval { 1259
931 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 $progress = 1;
932 1 1317 }
933 } or warn "$ext not loaded: $@"; 1318
1319 skip:
1320 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1321 unless $progress;
1322 }
934 } 1323 };
935} 1324}
936 1325
937############################################################################# 1326#############################################################################
938 1327
1328=back
1329
939=head2 CORE EXTENSIONS 1330=head2 CORE EXTENSIONS
940 1331
941Functions and methods that extend core crossfire objects. 1332Functions and methods that extend core crossfire objects.
942 1333
943=cut 1334=cut
… …
948 1339
949=head3 cf::player 1340=head3 cf::player
950 1341
951=over 4 1342=over 4
952 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
953=item cf::player::find $login 1358=item cf::player::find $login
954 1359
955Returns the given player object, loading it if necessary (might block). 1360Returns the given player object, loading it if necessary (might block).
956 1361
957=cut 1362=cut
958 1363
959sub playerdir($) { 1364sub playerdir($) {
960 cf::localdir 1365 "$PLAYERDIR/"
961 . "/"
962 . cf::playerdir
963 . "/"
964 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1366 . (ref $_[0] ? $_[0]->ob->name : $_[0])
965} 1367}
966 1368
967sub path($) { 1369sub path($) {
968 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1370 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
995 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1397 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1398 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1399 aio_unlink +(playerdir $login) . "/$login.pl.pst";
998 aio_unlink +(playerdir $login) . "/$login.pl"; 1400 aio_unlink +(playerdir $login) . "/$login.pl";
999 1401
1000 my $pl = load_pl path $login 1402 my $f = new_from_file cf::object::thawer path $login
1001 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;
1002 $cf::PLAYER{$login} = $pl 1409 $cf::PLAYER{$login} = $pl
1003 } 1410 }
1004 } 1411 }
1005} 1412}
1006 1413
… …
1016 1423
1017 aio_mkdir playerdir $pl, 0770; 1424 aio_mkdir playerdir $pl, 0770;
1018 $pl->{last_save} = $cf::RUNTIME; 1425 $pl->{last_save} = $cf::RUNTIME;
1019 1426
1020 $pl->save_pl ($path); 1427 $pl->save_pl ($path);
1021 Coro::cede; 1428 cf::cede_to_tick;
1022} 1429}
1023 1430
1024sub new($) { 1431sub new($) {
1025 my ($login) = @_; 1432 my ($login) = @_;
1026 1433
… …
1030 $self->{deny_save} = 1; 1437 $self->{deny_save} = 1;
1031 1438
1032 $cf::PLAYER{$login} = $self; 1439 $cf::PLAYER{$login} = $self;
1033 1440
1034 $self 1441 $self
1442}
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 (@_);
1035} 1452}
1036 1453
1037=item $pl->quit_character 1454=item $pl->quit_character
1038 1455
1039Nukes the player without looking back. If logged in, the connection will 1456Nukes the player without looking back. If logged in, the connection will
… …
1088while and may block, so not sync_job-capable, ever. 1505while and may block, so not sync_job-capable, ever.
1089 1506
1090=cut 1507=cut
1091 1508
1092sub list_logins { 1509sub list_logins {
1093 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1510 my $dirs = aio_readdir $PLAYERDIR
1094 or return []; 1511 or return [];
1095 1512
1096 my @logins; 1513 my @logins;
1097 1514
1098 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") {
1099 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1520 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100 aio_read $fh, 0, 512, my $buf, 0 or next; 1521 aio_read $fh, 0, 512, my $buf, 0 or next;
1101 $buf !~ /^password -------------$/m or next; # official not-valid tag 1522 $buf !~ /^password -------------$/m or next; # official not-valid tag
1523 }
1102 1524
1103 utf8::decode $login; 1525 utf8::decode $login;
1104 push @logins, $login; 1526 push @logins, $login;
1105 } 1527 }
1106 1528
… …
1133 } 1555 }
1134 1556
1135 \@paths 1557 \@paths
1136} 1558}
1137 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
1138=item $player->ext_reply ($msgid, %msg) 1653=item $player->ext_reply ($msgid, @msg)
1139 1654
1140Sends an ext reply to the player. 1655Sends an ext reply to the player.
1141 1656
1142=cut 1657=cut
1143 1658
1144sub ext_reply($$%) { 1659sub ext_reply($$@) {
1145 my ($self, $id, %msg) = @_; 1660 my ($self, $id, @msg) = @_;
1146 1661
1147 $msg{msgid} = $id; 1662 $self->ns->ext_reply ($id, @msg)
1148
1149 $self->send ("ext " . cf::to_json \%msg);
1150} 1663}
1151 1664
1152=item $player->ext_event ($type, %msg) 1665=item $player->ext_msg ($type, @msg)
1153 1666
1154Sends an ext event to the client. 1667Sends an ext event to the client.
1155 1668
1156=cut 1669=cut
1157 1670
1158sub ext_event($$%) { 1671sub ext_msg($$@) {
1159 my ($self, $type, %msg) = @_; 1672 my ($self, $type, @msg) = @_;
1160 1673
1161 $self->ns->ext_event ($type, %msg); 1674 $self->ns->ext_msg ($type, @msg);
1162} 1675}
1163 1676
1164package cf; 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 $match
1704}
1165 1705
1166=back 1706=back
1167
1168 1707
1169=head3 cf::map 1708=head3 cf::map
1170 1709
1171=over 4 1710=over 4
1172 1711
… …
1227 my ($self, $merge) = @_; 1766 my ($self, $merge) = @_;
1228 1767
1229 # we have to keep some variables in memory intact 1768 # we have to keep some variables in memory intact
1230 local $self->{path}; 1769 local $self->{path};
1231 local $self->{load_path}; 1770 local $self->{load_path};
1232 local $self->{deny_save};
1233 local $self->{deny_reset};
1234 1771
1235 $self->SUPER::thawer_merge ($merge); 1772 $self->SUPER::thawer_merge ($merge);
1236} 1773}
1237 1774
1238sub normalise { 1775sub normalise {
… …
1285 $self->init; # pass $1 etc. 1822 $self->init; # pass $1 etc.
1286 return $self; 1823 return $self;
1287 } 1824 }
1288 } 1825 }
1289 1826
1290 Carp::carp "unable to resolve path '$path' (base '$base')."; 1827 Carp::cluck "unable to resolve path '$path' (base '$base').";
1291 () 1828 ()
1292} 1829}
1293 1830
1294sub init { 1831sub init {
1295 my ($self) = @_; 1832 my ($self) = @_;
… …
1310 1847
1311# the original (read-only) location 1848# the original (read-only) location
1312sub load_path { 1849sub load_path {
1313 my ($self) = @_; 1850 my ($self) = @_;
1314 1851
1315 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1852 "$MAPDIR/$self->{path}.map"
1316} 1853}
1317 1854
1318# the temporary/swap location 1855# the temporary/swap location
1319sub save_path { 1856sub save_path {
1320 my ($self) = @_; 1857 my ($self) = @_;
1321 1858
1322 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1859 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1860 "$TMPDIR/$path.map"
1324} 1861}
1325 1862
1326# the unique path, undef == no special unique path 1863# the unique path, undef == no special unique path
1327sub uniq_path { 1864sub uniq_path {
1328 my ($self) = @_; 1865 my ($self) = @_;
1329 1866
1330 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1867 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1868 "$UNIQUEDIR/$path"
1332} 1869}
1333 1870
1334# and all this just because we cannot iterate over 1871# and all this just because we cannot iterate over
1335# all maps in C++... 1872# all maps in C++...
1336sub change_all_map_light { 1873sub change_all_map_light {
… …
1338 1875
1339 $_->change_map_light ($change) 1876 $_->change_map_light ($change)
1340 for grep $_->outdoor, values %cf::MAP; 1877 for grep $_->outdoor, values %cf::MAP;
1341} 1878}
1342 1879
1880sub decay_objects {
1881 my ($self) = @_;
1882
1883 return if $self->{deny_reset};
1884
1885 $self->do_decay_objects;
1886}
1887
1343sub unlink_save { 1888sub unlink_save {
1344 my ($self) = @_; 1889 my ($self) = @_;
1345 1890
1346 utf8::encode (my $save = $self->save_path); 1891 utf8::encode (my $save = $self->save_path);
1347 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1892 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1350 1895
1351sub load_header_from($) { 1896sub load_header_from($) {
1352 my ($self, $path) = @_; 1897 my ($self, $path) = @_;
1353 1898
1354 utf8::encode $path; 1899 utf8::encode $path;
1355 #aio_open $path, O_RDONLY, 0 1900 my $f = new_from_file cf::object::thawer $path
1356 # or return;
1357
1358 $self->_load_header ($path)
1359 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;
1360 1908
1361 $self->{load_path} = $path; 1909 $self->{load_path} = $path;
1362 1910
1363 1 1911 1
1364} 1912}
… …
1403 $self->load_header_orig 1951 $self->load_header_orig
1404 or return; 1952 or return;
1405 $self->prepare_orig; 1953 $self->prepare_orig;
1406 } 1954 }
1407 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 $self->default_region;
1961
1408 1 1962 1
1409} 1963}
1410 1964
1411sub find; 1965sub find;
1412sub find { 1966sub find {
1413 my ($path, $origin) = @_; 1967 my ($path, $origin) = @_;
1414 1968
1415 $path = normalise $path, $origin && $origin->path; 1969 $path = normalise $path, $origin && $origin->path;
1416 1970
1971 cf::lock_wait "map_data:$path";#d#remove
1417 cf::lock_wait "map_find:$path"; 1972 cf::lock_wait "map_find:$path";
1418 1973
1419 $cf::MAP{$path} || do { 1974 $cf::MAP{$path} || do {
1420 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
1421 my $map = new_from_path cf::map $path 1978 my $map = new_from_path cf::map $path
1422 or return; 1979 or return;
1423 1980
1424 $map->{last_save} = $cf::RUNTIME; 1981 $map->{last_save} = $cf::RUNTIME;
1425 1982
1426 $map->load_header 1983 $map->load_header
1427 or return; 1984 or return;
1428 1985
1429 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1986 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430 # doing this can freeze the server in a sync job, obviously 1987 # doing this can freeze the server in a sync job, obviously
1431 #$cf::WAIT_FOR_TICK->wait; 1988 #$cf::WAIT_FOR_TICK->wait;
1989 undef $guard1;
1990 undef $guard2;
1432 $map->reset; 1991 $map->reset;
1433 undef $guard;
1434 return find $path; 1992 return find $path;
1435 } 1993 }
1436 1994
1437 $cf::MAP{$path} = $map 1995 $cf::MAP{$path} = $map
1438 } 1996 }
… …
1445 my ($self) = @_; 2003 my ($self) = @_;
1446 2004
1447 local $self->{deny_reset} = 1; # loading can take a long time 2005 local $self->{deny_reset} = 1; # loading can take a long time
1448 2006
1449 my $path = $self->{path}; 2007 my $path = $self->{path};
2008
2009 {
1450 my $guard = cf::lock_acquire "map_load:$path"; 2010 my $guard = cf::lock_acquire "map_data:$path";
1451 2011
2012 return unless $self->valid;
1452 return if $self->in_memory != cf::MAP_SWAPPED; 2013 return unless $self->in_memory == cf::MAP_SWAPPED;
1453 2014
1454 $self->in_memory (cf::MAP_LOADING); 2015 $self->in_memory (cf::MAP_LOADING);
1455 2016
1456 $self->alloc; 2017 $self->alloc;
1457 2018
1458 $self->pre_load; 2019 $self->pre_load;
2020 cf::cede_to_tick;
1459 2021
1460 $self->_load_objects ($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)
1461 or return; 2025 or return;
1462 2026
1463 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2027 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464 if delete $self->{load_original}; 2028 if delete $self->{load_original};
1465 2029
1466 if (my $uniq = $self->uniq_path) { 2030 if (my $uniq = $self->uniq_path) {
1467 utf8::encode $uniq; 2031 utf8::encode $uniq;
1468 if (aio_open $uniq, O_RDONLY, 0) { 2032 unless (aio_stat $uniq) {
2033 if (my $f = new_from_file cf::object::thawer $uniq) {
1469 $self->clear_unique_items; 2034 $self->clear_unique_items;
1470 $self->_load_objects ($uniq, 0); 2035 $self->_load_objects ($f);
2036 $f->resolve_delayed_derefs;
2037 }
1471 } 2038 }
1472 } 2039 }
1473 2040
1474 Coro::cede; 2041 $f->resolve_delayed_derefs;
1475 2042
2043 cf::cede_to_tick;
1476 # now do the right thing for maps 2044 # now do the right thing for maps
1477 $self->link_multipart_objects; 2045 $self->link_multipart_objects;
1478
1479 unless ($self->{deny_activate}) {
1480 $self->decay_objects;
1481 $self->fix_auto_apply;
1482 $self->update_buttons;
1483 Coro::cede;
1484 $self->set_darkness_map;
1485 $self->difficulty ($self->estimate_difficulty) 2046 $self->difficulty ($self->estimate_difficulty)
1486 unless $self->difficulty; 2047 unless $self->difficulty;
1487 Coro::cede; 2048 cf::cede_to_tick;
2049
2050 unless ($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;
1488 $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);
1489 } 2064 }
1490 2065
1491 $self->post_load; 2066 $self->post_load;
1492
1493 $self->in_memory (cf::MAP_IN_MEMORY);
1494} 2067}
1495 2068
1496sub customise_for { 2069sub customise_for {
1497 my ($self, $ob) = @_; 2070 my ($self, $ob) = @_;
1498 2071
1499 return find "~" . $ob->name . "/" . $self->{path} 2072 return find "~" . $ob->name . "/" . $self->{path}
1500 if $self->per_player; 2073 if $self->per_player;
1501 2074
2075# return find "?party/" . $ob->name . "/" . $self->{path}
2076# if $self->per_party;
2077
1502 $self 2078 $self
1503} 2079}
1504 2080
1505# find and load all maps in the 3x3 area around a map 2081# find and load all maps in the 3x3 area around a map
1506sub load_diag { 2082sub load_neighbours {
1507 my ($map) = @_; 2083 my ($map) = @_;
1508 2084
1509 my @diag; # diagonal neighbours 2085 my @neigh; # diagonal neighbours
1510 2086
1511 for (0 .. 3) { 2087 for (0 .. 3) {
1512 my $neigh = $map->tile_path ($_) 2088 my $neigh = $map->tile_path ($_)
1513 or next; 2089 or next;
1514 $neigh = find $neigh, $map 2090 $neigh = find $neigh, $map
1515 or next; 2091 or next;
1516 $neigh->load; 2092 $neigh->load;
1517 2093
2094 push @neigh,
1518 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2095 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1519 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2096 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1520 } 2097 }
1521 2098
1522 for (@diag) { 2099 for (grep defined $_->[0], @neigh) {
2100 my ($path, $origin) = @$_;
1523 my $neigh = find @$_ 2101 my $neigh = find $path, $origin
1524 or next; 2102 or next;
1525 $neigh->load; 2103 $neigh->load;
1526 } 2104 }
1527} 2105}
1528 2106
… …
1533} 2111}
1534 2112
1535sub do_load_sync { 2113sub do_load_sync {
1536 my ($map) = @_; 2114 my ($map) = @_;
1537 2115
2116 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2117 if $Coro::current == $Coro::main;
2118
1538 cf::sync_job { $map->load }; 2119 cf::sync_job { $map->load };
1539} 2120}
1540 2121
1541our %MAP_PREFETCH; 2122our %MAP_PREFETCH;
1542our $MAP_PREFETCHER = undef; 2123our $MAP_PREFETCHER = undef;
1543 2124
1544sub find_async { 2125sub find_async {
1545 my ($path, $origin) = @_; 2126 my ($path, $origin, $load) = @_;
1546 2127
1547 $path = normalise $path, $origin && $origin->{path}; 2128 $path = normalise $path, $origin && $origin->{path};
1548 2129
1549 if (my $map = $cf::MAP{$path}) { 2130 if (my $map = $cf::MAP{$path}) {
1550 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2131 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551 } 2132 }
1552 2133
1553 undef $MAP_PREFETCH{$path}; 2134 $MAP_PREFETCH{$path} |= $load;
2135
1554 $MAP_PREFETCHER ||= cf::async { 2136 $MAP_PREFETCHER ||= cf::async {
2137 $Coro::current->{desc} = "map prefetcher";
2138
1555 while (%MAP_PREFETCH) { 2139 while (%MAP_PREFETCH) {
1556 for my $path (keys %MAP_PREFETCH) { 2140 while (my ($k, $v) = each %MAP_PREFETCH) {
1557 my $map = find $path 2141 if (my $map = find $k) {
1558 or next;
1559 $map->load; 2142 $map->load if $v;
2143 }
1560 2144
1561 delete $MAP_PREFETCH{$path}; 2145 delete $MAP_PREFETCH{$k};
1562 } 2146 }
1563 } 2147 }
1564 undef $MAP_PREFETCHER; 2148 undef $MAP_PREFETCHER;
1565 }; 2149 };
1566 $MAP_PREFETCHER->prio (6); 2150 $MAP_PREFETCHER->prio (6);
… …
1569} 2153}
1570 2154
1571sub save { 2155sub save {
1572 my ($self) = @_; 2156 my ($self) = @_;
1573 2157
1574 my $lock = cf::lock_acquire "map_data:" . $self->path; 2158 my $lock = cf::lock_acquire "map_data:$self->{path}";
1575 2159
1576 $self->{last_save} = $cf::RUNTIME; 2160 $self->{last_save} = $cf::RUNTIME;
1577 2161
1578 return unless $self->dirty; 2162 return unless $self->dirty;
1579 2163
… …
1585 return if $self->{deny_save}; 2169 return if $self->{deny_save};
1586 2170
1587 local $self->{last_access} = $self->last_access;#d# 2171 local $self->{last_access} = $self->last_access;#d#
1588 2172
1589 cf::async { 2173 cf::async {
2174 $Coro::current->{desc} = "map player save";
1590 $_->contr->save for $self->players; 2175 $_->contr->save for $self->players;
1591 }; 2176 };
1592 2177
1593 if ($uniq) { 2178 if ($uniq) {
1594 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2179 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1602 my ($self) = @_; 2187 my ($self) = @_;
1603 2188
1604 # save first because save cedes 2189 # save first because save cedes
1605 $self->save; 2190 $self->save;
1606 2191
1607 my $lock = cf::lock_acquire "map_data:" . $self->path; 2192 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2193
1609 return if $self->players; 2194 return if $self->players;
1610 return if $self->in_memory != cf::MAP_IN_MEMORY; 2195 return if $self->in_memory != cf::MAP_IN_MEMORY;
1611 return if $self->{deny_save}; 2196 return if $self->{deny_save};
1612 2197
2198 $self->in_memory (cf::MAP_SWAPPED);
2199
2200 $self->deactivate;
2201 $_->clear_links_to ($self) for values %cf::MAP;
1613 $self->clear; 2202 $self->clear;
1614 $self->in_memory (cf::MAP_SWAPPED);
1615} 2203}
1616 2204
1617sub reset_at { 2205sub reset_at {
1618 my ($self) = @_; 2206 my ($self) = @_;
1619 2207
1620 # TODO: safety, remove and allow resettable per-player maps 2208 # TODO: safety, remove and allow resettable per-player maps
1621 return 1e99 if $self->isa ("ext::map_per_player");#d#
1622 return 1e99 if $self->{deny_reset}; 2209 return 1e99 if $self->{deny_reset};
1623 2210
1624 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2211 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2212 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626 2213
… …
1637 my ($self) = @_; 2224 my ($self) = @_;
1638 2225
1639 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2226 my $lock = cf::lock_acquire "map_data:$self->{path}";
1640 2227
1641 return if $self->players; 2228 return if $self->players;
1642 return if $self->isa ("ext::map_per_player");#d#
1643 2229
1644 warn "resetting map ", $self->path;#d# 2230 warn "resetting map ", $self->path;
1645 2231
1646 $self->in_memory (cf::MAP_SWAPPED); 2232 $self->in_memory (cf::MAP_SWAPPED);
1647 2233
1648 # need to save uniques path 2234 # need to save uniques path
1649 unless ($self->{deny_save}) { 2235 unless ($self->{deny_save}) {
… …
1653 if $uniq; 2239 if $uniq;
1654 } 2240 }
1655 2241
1656 delete $cf::MAP{$self->path}; 2242 delete $cf::MAP{$self->path};
1657 2243
2244 $self->deactivate;
2245 $_->clear_links_to ($self) for values %cf::MAP;
1658 $self->clear; 2246 $self->clear;
1659
1660 $_->clear_links_to ($self) for values %cf::MAP;
1661 2247
1662 $self->unlink_save; 2248 $self->unlink_save;
1663 $self->destroy; 2249 $self->destroy;
1664} 2250}
1665 2251
1666my $nuke_counter = "aaaa"; 2252my $nuke_counter = "aaaa";
1667 2253
1668sub nuke { 2254sub nuke {
1669 my ($self) = @_; 2255 my ($self) = @_;
1670 2256
2257 {
2258 my $lock = cf::lock_acquire "map_data:$self->{path}";
2259
1671 delete $cf::MAP{$self->path}; 2260 delete $cf::MAP{$self->path};
1672 2261
1673 $self->unlink_save; 2262 $self->unlink_save;
1674 2263
1675 bless $self, "cf::map"; 2264 bless $self, "cf::map";
1676 delete $self->{deny_reset}; 2265 delete $self->{deny_reset};
1677 $self->{deny_save} = 1; 2266 $self->{deny_save} = 1;
1678 $self->reset_timeout (1); 2267 $self->reset_timeout (1);
1679 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2268 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680 2269
1681 $cf::MAP{$self->path} = $self; 2270 $cf::MAP{$self->path} = $self;
2271 }
1682 2272
1683 $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 ]
1684} 2310}
1685 2311
1686=item cf::map::unique_maps 2312=item cf::map::unique_maps
1687 2313
1688Returns an arrayref of paths of all shared maps that have 2314Returns an arrayref of paths of all shared maps that have
1689instantiated unique items. May block. 2315instantiated unique items. May block.
1690 2316
1691=cut 2317=cut
1692 2318
1693sub unique_maps() { 2319sub unique_maps() {
1694 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2320 [
1695 or return; 2321 map {
1696
1697 my @paths;
1698
1699 for (@$files) {
1700 utf8::decode $_; 2322 utf8::decode $_;
1701 next if /\.pst$/; 2323 /\.map$/
1702 next unless /^$PATH_SEP/o; 2324 ? normalise $_
1703 2325 : ()
1704 push @paths, cf::map::normalise $_; 2326 } @{ aio_readdir $UNIQUEDIR or [] }
1705 } 2327 ]
1706
1707 \@paths
1708} 2328}
1709 2329
1710package cf; 2330package cf;
1711 2331
1712=back 2332=back
… …
1730 map { $_, inv_recursive_ $_->inv } @_ 2350 map { $_, inv_recursive_ $_->inv } @_
1731} 2351}
1732 2352
1733sub inv_recursive { 2353sub inv_recursive {
1734 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 }
1735} 2383}
1736 2384
1737package cf; 2385package cf;
1738 2386
1739=back 2387=back
… …
1758 2406
1759 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2407 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760 2408
1761 if ($self->{record_replies}) { 2409 if ($self->{record_replies}) {
1762 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2410 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2411
1763 } 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 {
1764 $msg = $npc->name . " says: $msg" if $npc; 2420 $msg = $npc->name . " says: $msg" if $npc;
1765 $self->message ($msg, $flags); 2421 $self->message ($msg, $flags);
2422 }
1766 } 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 (@_);
1767} 2434}
1768 2435
1769=item $player_object->may ("access") 2436=item $player_object->may ("access")
1770 2437
1771Returns wether the given player is authorized to access resource "access" 2438Returns wether the given player is authorized to access resource "access"
… …
1818 $self->deactivate_recursive; 2485 $self->deactivate_recursive;
1819 2486
1820 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2487 return if UNIVERSAL::isa $self->map, "ext::map_link";
1821 2488
1822 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2489 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823 if $self->map; 2490 if $self->map && $self->map->{path} ne "{link}";
1824 2491
1825 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2492 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1826} 2493}
1827 2494
1828sub cf::object::player::leave_link { 2495sub cf::object::player::leave_link {
1829 my ($self, $map, $x, $y) = @_; 2496 my ($self, $map, $x, $y) = @_;
2497
2498 return unless $self->contr->active;
1830 2499
1831 my $link_pos = delete $self->{_link_pos}; 2500 my $link_pos = delete $self->{_link_pos};
1832 2501
1833 unless ($map) { 2502 unless ($map) {
1834 # restore original map position 2503 # restore original map position
… …
1848 # use -1 or undef as default coordinates, not 0, 0 2517 # use -1 or undef as default coordinates, not 0, 0
1849 ($x, $y) = ($map->enter_x, $map->enter_y) 2518 ($x, $y) = ($map->enter_x, $map->enter_y)
1850 if $x <=0 && $y <= 0; 2519 if $x <=0 && $y <= 0;
1851 2520
1852 $map->load; 2521 $map->load;
1853 $map->load_diag; 2522 $map->load_neighbours;
1854 2523
1855 return unless $self->contr->active; 2524 return unless $self->contr->active;
1856 $self->activate_recursive; 2525 $self->activate_recursive;
1857 2526
1858 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2527 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859 $self->enter_map ($map, $x, $y); 2528 $self->enter_map ($map, $x, $y);
1860} 2529}
1861 2530
1862cf::player->attach ( 2531=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863 on_logout => sub {
1864 my ($pl) = @_;
1865 2532
1866 # abort map switching before logout 2533Moves the player to the given map-path and coordinates by first freezing
1867 if ($pl->ob->{_link_pos}) { 2534her, loading and preparing them map, calling the provided $check callback
1868 cf::sync_job { 2535that has to return the map if sucecssful, and then unfreezes the player on
1869 $pl->ob->leave_link 2536the new (success) or old (failed) map position. In either case, $done will
1870 }; 2537be called at the end of this process.
1871 }
1872 },
1873 on_login => sub {
1874 my ($pl) = @_;
1875 2538
1876 # try to abort aborted map switching on player login :)
1877 # should happen only on crashes
1878 if ($pl->ob->{_link_pos}) {
1879 $pl->ob->enter_link;
1880 (async {
1881 $pl->ob->reply (undef,
1882 "There was an internal problem at your last logout, "
1883 . "the server will try to bring you to your intended destination in a second.",
1884 cf::NDI_RED);
1885 # we need this sleep as the login has a concurrent enter_exit running
1886 # and this sleep increases chances of the player not ending up in scorn
1887 Coro::Timer::sleep 1;
1888 $pl->ob->leave_link;
1889 })->prio (2);
1890 }
1891 },
1892);
1893
1894=item $player_object->goto ($path, $x, $y)
1895
1896=cut 2539=cut
2540
2541our $GOTOGEN;
1897 2542
1898sub cf::object::player::goto { 2543sub cf::object::player::goto {
1899 my ($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;
1900 2548
1901 $self->enter_link; 2549 $self->enter_link;
1902 2550
1903 (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
1904 my $map = eval { 2573 my $map = eval {
1905 my $map = cf::map::find $path; 2574 my $map = defined $path ? cf::map::find $path : undef;
2575
2576 if ($map) {
1906 $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
1907 $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 $@;
1908 } or 2589 }
1909 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910 2590
2591 if ($gen == $self->{_goto_generation}) {
2592 delete $self->{_goto_generation};
1911 $self->leave_link ($map, $x, $y); 2593 $self->leave_link ($map, $x, $y);
2594 }
2595
2596 $done->() if $done;
1912 })->prio (1); 2597 })->prio (1);
1913} 2598}
1914 2599
1915=item $player_object->enter_exit ($exit_object) 2600=item $player_object->enter_exit ($exit_object)
1916 2601
… …
1953 $rmp->{origin_y} = $exit->y; 2638 $rmp->{origin_y} = $exit->y;
1954 } 2639 }
1955 2640
1956 $rmp->{random_seed} ||= $exit->random_seed; 2641 $rmp->{random_seed} ||= $exit->random_seed;
1957 2642
1958 my $data = cf::to_json $rmp; 2643 my $data = cf::encode_json $rmp;
1959 my $md5 = Digest::MD5::md5_hex $data; 2644 my $md5 = Digest::MD5::md5_hex $data;
1960 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2645 my $meta = "$RANDOMDIR/$md5.meta";
1961 2646
1962 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2647 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963 aio_write $fh, 0, (length $data), $data, 0; 2648 aio_write $fh, 0, (length $data), $data, 0;
1964 undef $fh; 2649 undef $fh;
1965 aio_rename "$meta~", $meta; 2650 aio_rename "$meta~", $meta;
… …
1985 my $hp = $exit->stats->hp; 2670 my $hp = $exit->stats->hp;
1986 my $sp = $exit->stats->sp; 2671 my $sp = $exit->stats->sp;
1987 2672
1988 $self->enter_link; 2673 $self->enter_link;
1989 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
1990 (async { 2679 (async {
2680 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2681
1991 $self->deactivate_recursive; # just to be sure 2682 $self->deactivate_recursive; # just to be sure
1992 unless (eval { 2683 unless (eval {
1993 $self->goto ($slaying, $hp, $sp); 2684 $self->goto ($slaying, $hp, $sp);
1994 2685
1995 1; 2686 1;
… …
2021 2712
2022 utf8::encode $text; 2713 utf8::encode $text;
2023 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2714 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024} 2715}
2025 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
2026=item $client->ext_event ($type, %msg) 2841=item $client->ext_msg ($type, @msg)
2027 2842
2028Sends an exti event to the client. 2843Sends an ext event to the client.
2029 2844
2030=cut 2845=cut
2031 2846
2032sub cf::client::ext_event($$%) { 2847sub cf::client::ext_msg($$@) {
2033 my ($self, $type, %msg) = @_; 2848 my ($self, $type, @msg) = @_;
2034 2849
2850 if ($self->extcmd == 2) {
2851 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852 } elsif ($self->extcmd == 1) { # TODO: remove
2035 $msg{msgtype} = "event_$type"; 2853 push @msg, msgtype => "event_$type";
2036 $self->send_packet ("ext " . cf::to_json \%msg); 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 }
2037} 2874}
2038 2875
2039=item $success = $client->query ($flags, "text", \&cb) 2876=item $success = $client->query ($flags, "text", \&cb)
2040 2877
2041Queues a query to the client, calling the given callback with 2878Queues a query to the client, calling the given callback with
2042the 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>,
2043C<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>.
2044 2881
2045Queries 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
2046reliable at some point in the future. 2883become reliable at some point in the future.
2047 2884
2048=cut 2885=cut
2049 2886
2050sub cf::client::query { 2887sub cf::client::query {
2051 my ($self, $flags, $text, $cb) = @_; 2888 my ($self, $flags, $text, $cb) = @_;
… …
2059 utf8::encode $text; 2896 utf8::encode $text;
2060 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2897 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061 2898
2062 $self->send_packet ($self->{query_queue}[0][0]) 2899 $self->send_packet ($self->{query_queue}[0][0])
2063 if @{ $self->{query_queue} } == 1; 2900 if @{ $self->{query_queue} } == 1;
2901
2902 1
2064} 2903}
2065 2904
2066cf::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 },
2067 on_reply => sub { 2911 on_reply => sub {
2068 my ($ns, $msg) = @_; 2912 my ($ns, $msg) = @_;
2069 2913
2070 # this weird shuffling is so that direct followup queries 2914 # this weird shuffling is so that direct followup queries
2071 # get handled first 2915 # get handled first
… …
2083 } else { 2927 } else {
2084 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2928 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085 } 2929 }
2086 } 2930 }
2087 }, 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 },
2088); 2958);
2089 2959
2090=item $client->async (\&cb) 2960=item $client->async (\&cb)
2091 2961
2092Create a new coroutine, running the specified callback. The coroutine will 2962Create a new coroutine, running the specified callback. The coroutine will
… …
2133our $safe = new Safe "safe"; 3003our $safe = new Safe "safe";
2134our $safe_hole = new Safe::Hole; 3004our $safe_hole = new Safe::Hole;
2135 3005
2136$SIG{FPE} = 'IGNORE'; 3006$SIG{FPE} = 'IGNORE';
2137 3007
2138$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));
2139 3013
2140# here we export the classes and methods available to script code 3014# here we export the classes and methods available to script code
2141 3015
2142=pod 3016=pod
2143 3017
2144The following functions and methods are available within a safe environment: 3018The following functions and methods are available within a safe environment:
2145 3019
2146 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
2147 cf::object::player player 3024 cf::object::player
2148 cf::player peaceful 3025 player
2149 cf::map trigger 3026
3027 cf::player
3028 peaceful
3029
3030 cf::map
3031 trigger
2150 3032
2151=cut 3033=cut
2152 3034
2153for ( 3035for (
2154 ["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)],
2155 ["cf::object::player" => qw(player)], 3039 ["cf::object::player" => qw(player)],
2156 ["cf::player" => qw(peaceful)], 3040 ["cf::player" => qw(peaceful)],
2157 ["cf::map" => qw(trigger)], 3041 ["cf::map" => qw(trigger)],
2158) { 3042) {
2159 no strict 'refs'; 3043 no strict 'refs';
… …
2230=back 3114=back
2231 3115
2232=cut 3116=cut
2233 3117
2234############################################################################# 3118#############################################################################
2235
2236=head2 EXTENSION DATABASE SUPPORT
2237
2238Crossfire maintains a very simple database for extension use. It can
2239currently store anything that can be serialised using Storable, which
2240excludes objects.
2241
2242The parameter C<$family> should best start with the name of the extension
2243using it, it should be unique.
2244
2245=over 4
2246
2247=item $value = cf::db_get $family => $key
2248
2249Returns a single value from the database.
2250
2251=item cf::db_put $family => $key => $value
2252
2253Stores the given C<$value> in the family.
2254
2255=cut
2256
2257our $DB;
2258
2259sub db_init {
2260 unless ($DB) {
2261 $DB = BDB::db_create $DB_ENV;
2262
2263 cf::sync_job {
2264 eval {
2265 $DB->set_flags (BDB::CHKSUM);
2266
2267 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269 cf::cleanup "db_open(db): $!" if $!;
2270 };
2271 cf::cleanup "db_open(db): $@" if $@;
2272 };
2273
2274 my $path = cf::localdir . "/database.pst";
2275 if (stat $path) {
2276 cf::sync_job {
2277 my $pst = Storable::retrieve $path;
2278
2279 cf::db_put (board => data => $pst->{board});
2280 cf::db_put (guildrules => data => $pst->{guildrules});
2281 cf::db_put (rent => balance => $pst->{rent}{balance});
2282 BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284 unlink $path;
2285 };
2286 }
2287 }
2288}
2289
2290sub db_get($$) {
2291 my $key = "$_[0]/$_[1]";
2292
2293 cf::sync_job {
2294 BDB::db_get $DB, undef, $key, my $data;
2295
2296 $! ? ()
2297 : Compress::LZF::sthaw $data
2298 }
2299}
2300
2301sub db_put($$$) {
2302 BDB::dbreq_pri 4;
2303 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304}
2305
2306#############################################################################
2307# the server's init and main functions 3119# the server's init and main functions
2308 3120
2309sub load_facedata { 3121sub load_facedata($) {
2310 my $path = sprintf "%s/facedata", cf::datadir; 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;
2311 3129
2312 warn "loading facedata from $path\n"; 3130 warn "loading facedata from $path\n";
2313 3131
2314 my $facedata; 3132 my $facedata;
2315 0 < aio_load $path, $facedata 3133 0 < aio_load $path, $facedata
… …
2318 $facedata = Coro::Storable::thaw $facedata; 3136 $facedata = Coro::Storable::thaw $facedata;
2319 3137
2320 $facedata->{version} == 2 3138 $facedata->{version} == 2
2321 or cf::cleanup "$path: version mismatch, cannot proceed."; 3139 or cf::cleanup "$path: version mismatch, cannot proceed.";
2322 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
2323 { 3148 {
2324 my $faces = $facedata->{faceinfo}; 3149 my $faces = $facedata->{faceinfo};
2325 3150
2326 while (my ($face, $info) = each %$faces) { 3151 while (my ($face, $info) = each %$faces) {
2327 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3152 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3153 cf::face::set_visibility $idx, $info->{visibility};
3154 cf::face::set_magicmap $idx, $info->{magicmap};
2329 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3155 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3156 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331 Coro::cede; 3157
3158 cf::cede_to_tick;
2332 } 3159 }
2333 3160
2334 while (my ($face, $info) = each %$faces) { 3161 while (my ($face, $info) = each %$faces) {
2335 next unless $info->{smooth}; 3162 next unless $info->{smooth};
2336 my $idx = cf::face::find $face 3163 my $idx = cf::face::find $face
2337 or next; 3164 or next;
2338 if (my $smooth = cf::face::find $info->{smooth}) { 3165 if (my $smooth = cf::face::find $info->{smooth}) {
3166 cf::face::set_smooth $idx, $smooth;
2339 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3167 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340 } else { 3168 } else {
2341 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3169 warn "smooth face '$info->{smooth}' not found for face '$face'";
2342 } 3170 }
2343 Coro::cede; 3171
3172 cf::cede_to_tick;
2344 } 3173 }
2345 } 3174 }
2346 3175
2347 { 3176 {
2348 my $anims = $facedata->{animinfo}; 3177 my $anims = $facedata->{animinfo};
2349 3178
2350 while (my ($anim, $info) = each %$anims) { 3179 while (my ($anim, $info) = each %$anims) {
2351 cf::anim::set $anim, $info->{frames}, $info->{facings}; 3180 cf::anim::set $anim, $info->{frames}, $info->{facings};
2352 Coro::cede; 3181 cf::cede_to_tick;
2353 } 3182 }
2354 3183
2355 cf::anim::invalidate_all; # d'oh 3184 cf::anim::invalidate_all; # d'oh
2356 } 3185 }
2357 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
2358 1 3236 1
2359} 3237}
2360 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"
3253 or die "unable to load regions file\n";
3254
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
2361sub reload_resources { 3281sub reload_resources {
2362 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3282 warn "reloading resource files...\n";
2363 or die "unable to load regions file\n";#d# 3283
3284 reload_regions;
2364 load_facedata 3285 reload_facedata;
2365 or die "unable to load facedata\n";#d# 3286 #reload_archetypes;#d#
3287 reload_archetypes;
3288 reload_treasures;
3289
3290 warn "finished reloading resource files\n";
2366} 3291}
2367 3292
2368sub init { 3293sub init {
2369 reload_resources; 3294 reload_resources;
2370} 3295}
2371 3296
2372sub cfg_load { 3297sub reload_config {
2373 open my $fh, "<:utf8", cf::confdir . "/config" 3298 open my $fh, "<:utf8", "$CONFDIR/config"
2374 or return; 3299 or return;
2375 3300
2376 local $/; 3301 local $/;
2377 *CFG = YAML::Syck::Load <$fh>; 3302 *CFG = YAML::Syck::Load <$fh>;
2378 3303
… …
2393sub main { 3318sub main {
2394 # we must not ever block the main coroutine 3319 # we must not ever block the main coroutine
2395 local $Coro::idle = sub { 3320 local $Coro::idle = sub {
2396 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#
2397 (async { 3322 (async {
2398 Event::one_event; 3323 $Coro::current->{desc} = "IDLE BUG HANDLER";
3324 EV::loop EV::LOOP_ONESHOT;
2399 })->prio (Coro::PRIO_MAX); 3325 })->prio (Coro::PRIO_MAX);
2400 }; 3326 };
2401 3327
2402 cfg_load; 3328 reload_config;
2403 db_init; 3329 db_init;
2404 load_extensions; 3330 load_extensions;
2405 3331
2406 $TICK_WATCHER->start; 3332 $TICK_WATCHER->start;
3333 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2407 Event::loop; 3334 EV::loop;
2408} 3335}
2409 3336
2410############################################################################# 3337#############################################################################
2411# initialisation and cleanup 3338# initialisation and cleanup
2412 3339
2413# install some emergency cleanup handlers 3340# install some emergency cleanup handlers
2414BEGIN { 3341BEGIN {
3342 our %SIGWATCHER = ();
2415 for my $signal (qw(INT HUP TERM)) { 3343 for my $signal (qw(INT HUP TERM)) {
2416 Event->signal ( 3344 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2417 reentrant => 0,
2418 data => WF_AUTOCANCEL,
2419 signal => $signal,
2420 prio => 0,
2421 cb => sub {
2422 cf::cleanup "SIG$signal"; 3345 cf::cleanup "SIG$signal";
2423 },
2424 ); 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
2425 } 3385 1
2426} 3386}
2427 3387
2428sub emergency_save() { 3388sub emergency_save() {
2429 my $freeze_guard = cf::freeze_mainloop; 3389 my $freeze_guard = cf::freeze_mainloop;
2430 3390
… …
2436 # and maps saved/destroyed asynchronously. 3396 # and maps saved/destroyed asynchronously.
2437 warn "begin emergency player save\n"; 3397 warn "begin emergency player save\n";
2438 for my $login (keys %cf::PLAYER) { 3398 for my $login (keys %cf::PLAYER) {
2439 my $pl = $cf::PLAYER{$login} or next; 3399 my $pl = $cf::PLAYER{$login} or next;
2440 $pl->valid or next; 3400 $pl->valid or next;
3401 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441 $pl->save; 3402 $pl->save;
2442 } 3403 }
2443 warn "end emergency player save\n"; 3404 warn "end emergency player save\n";
2444 3405
2445 warn "begin emergency map save\n"; 3406 warn "begin emergency map save\n";
… …
2463 3424
2464 warn Carp::longmess "post_cleanup backtrace" 3425 warn Carp::longmess "post_cleanup backtrace"
2465 if $make_core; 3426 if $make_core;
2466} 3427}
2467 3428
2468sub reload() { 3429sub do_reload_perl() {
2469 # can/must only be called in main 3430 # can/must only be called in main
2470 if ($Coro::current != $Coro::main) { 3431 if ($Coro::current != $Coro::main) {
2471 warn "can only reload from main coroutine"; 3432 warn "can only reload from main coroutine";
2472 return; 3433 return;
2473 } 3434 }
… …
2484 warn "syncing database to disk"; 3445 warn "syncing database to disk";
2485 BDB::db_env_txn_checkpoint $DB_ENV; 3446 BDB::db_env_txn_checkpoint $DB_ENV;
2486 3447
2487 # 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
2488 3449
2489 warn "cancelling all WF_AUTOCANCEL watchers";
2490 for (Event::all_watchers) {
2491 $_->cancel if $_->data & WF_AUTOCANCEL;
2492 }
2493
2494 warn "flushing outstanding aio requests"; 3450 warn "flushing outstanding aio requests";
2495 for (;;) { 3451 for (;;) {
2496 BDB::flush; 3452 BDB::flush;
2497 IO::AIO::flush; 3453 IO::AIO::flush;
2498 Coro::cede; 3454 Coro::cede_notself;
2499 last unless IO::AIO::nreqs || BDB::nreqs; 3455 last unless IO::AIO::nreqs || BDB::nreqs;
2500 warn "iterate..."; 3456 warn "iterate...";
2501 } 3457 }
2502 3458
2503 ++$RELOAD; 3459 ++$RELOAD;
… …
2507 %EXT_CORO = (); 3463 %EXT_CORO = ();
2508 3464
2509 warn "removing commands"; 3465 warn "removing commands";
2510 %COMMAND = (); 3466 %COMMAND = ();
2511 3467
2512 warn "removing ext commands"; 3468 warn "removing ext/exti commands";
2513 %EXTCMD = (); 3469 %EXTCMD = ();
3470 %EXTICMD = ();
2514 3471
2515 warn "unloading/nuking all extensions"; 3472 warn "unloading/nuking all extensions";
2516 for my $pkg (@EXTS) { 3473 for my $pkg (@EXTS) {
2517 warn "... unloading $pkg"; 3474 warn "... unloading $pkg";
2518 3475
… …
2548 Symbol::delete_package "safe::$_" 3505 Symbol::delete_package "safe::$_"
2549 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);
2550 3507
2551 warn "unloading cf.pm \"a bit\""; 3508 warn "unloading cf.pm \"a bit\"";
2552 delete $INC{"cf.pm"}; 3509 delete $INC{"cf.pm"};
3510 delete $INC{"cf/pod.pm"};
2553 3511
2554 # don't, removes xs symbols, too, 3512 # don't, removes xs symbols, too,
2555 # and global variables created in xs 3513 # and global variables created in xs
2556 #Symbol::delete_package __PACKAGE__; 3514 #Symbol::delete_package __PACKAGE__;
2557 3515
… …
2560 warn "reloading cf.pm"; 3518 warn "reloading cf.pm";
2561 require cf; 3519 require cf;
2562 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3520 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563 3521
2564 warn "loading config and database again"; 3522 warn "loading config and database again";
2565 cf::cfg_load; 3523 cf::reload_config;
2566 3524
2567 warn "loading extensions"; 3525 warn "loading extensions";
2568 cf::load_extensions; 3526 cf::load_extensions;
2569 3527
2570 warn "reattaching attachments to objects/players"; 3528 warn "reattaching attachments to objects/players";
… …
2572 warn "reattaching attachments to maps"; 3530 warn "reattaching attachments to maps";
2573 reattach $_ for values %MAP; 3531 reattach $_ for values %MAP;
2574 warn "reattaching attachments to players"; 3532 warn "reattaching attachments to players";
2575 reattach $_ for values %PLAYER; 3533 reattach $_ for values %PLAYER;
2576 3534
2577 warn "loading reloadable resources";
2578 reload_resources;
2579
2580 warn "leaving sync_job"; 3535 warn "leaving sync_job";
2581 3536
2582 1 3537 1
2583 } or do { 3538 } or do {
2584 warn $@; 3539 warn $@;
… …
2589 warn "reloaded"; 3544 warn "reloaded";
2590}; 3545};
2591 3546
2592our $RELOAD_WATCHER; # used only during reload 3547our $RELOAD_WATCHER; # used only during reload
2593 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
2594register_command "reload" => sub { 3559register_command "reload" => sub {
2595 my ($who, $arg) = @_; 3560 my ($who, $arg) = @_;
2596 3561
2597 if ($who->flag (FLAG_WIZ)) { 3562 if ($who->flag (FLAG_WIZ)) {
2598 $who->message ("reloading server."); 3563 $who->message ("reloading server.");
2599 3564 async {
2600 # doing reload synchronously and two reloads happen back-to-back, 3565 $Coro::current->{desc} = "perl_reload";
2601 # coro crashes during coro_state_free->destroy here.
2602
2603 $RELOAD_WATCHER ||= Event->timer (
2604 reentrant => 0,
2605 after => 0,
2606 data => WF_AUTOCANCEL,
2607 cb => sub {
2608 reload; 3566 reload_perl;
2609 undef $RELOAD_WATCHER;
2610 },
2611 ); 3567 };
2612 } 3568 }
2613}; 3569};
2614 3570
2615unshift @INC, $LIBDIR; 3571unshift @INC, $LIBDIR;
2616 3572
2617my $bug_warning = 0; 3573my $bug_warning = 0;
2618 3574
2619$TICK_WATCHER = Event->timer ( 3575our @WAIT_FOR_TICK;
2620 reentrant => 0, 3576our @WAIT_FOR_TICK_BEGIN;
2621 parked => 1, 3577
2622 prio => 0, 3578sub wait_for_tick {
2623 at => $NEXT_TICK || $TICK, 3579 return unless $TICK_WATCHER->is_active;
2624 data => WF_AUTOCANCEL, 3580 return if $Coro::current == $Coro::main;
2625 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 {
2626 if ($Coro::current != $Coro::main) { 3597 if ($Coro::current != $Coro::main) {
2627 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"
2628 unless ++$bug_warning > 10; 3599 unless ++$bug_warning > 10;
2629 return; 3600 return;
2630 } 3601 }
2631 3602
2632 $NOW = Event::time; 3603 $NOW = $tick_start = EV::now;
2633 3604
2634 cf::server_tick; # one server iteration 3605 cf::server_tick; # one server iteration
3606
2635 $RUNTIME += $TICK; 3607 $RUNTIME += $TICK;
2636 $NEXT_TICK += $TICK; 3608 $NEXT_TICK += $TICK;
2637 3609
2638 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3610 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639 $NEXT_RUNTIME_WRITE = $NOW + 10; 3611 $NEXT_RUNTIME_WRITE = $NOW + 10;
2640 Coro::async_pool { 3612 Coro::async_pool {
3613 $Coro::current->{desc} = "runtime saver";
2641 write_runtime 3614 write_runtime
2642 or warn "ERROR: unable to write runtime file: $!"; 3615 or warn "ERROR: unable to write runtime file: $!";
2643 };
2644 } 3616 };
2645
2646 $WAIT_FOR_TICK->broadcast;
2647 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649# my $AFTER = Event::time;
2650# warn $AFTER - $NOW;#d#
2651
2652 # if we are delayed by four ticks or more, skip them all
2653 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655 $TICK_WATCHER->at ($NEXT_TICK);
2656 $TICK_WATCHER->start;
2657 }, 3617 }
2658); 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);
2659 3632
2660{ 3633{
3634 BDB::min_parallel 8;
2661 BDB::max_poll_time $TICK * 0.1; 3635 BDB::max_poll_time $TICK * 0.1;
2662 $BDB_POLL_WATCHER = Event->io ( 3636 $BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2663 reentrant => 0,
2664 fd => BDB::poll_fileno,
2665 poll => 'r',
2666 prio => 0,
2667 data => WF_AUTOCANCEL,
2668 cb => \&BDB::poll_cb,
2669 );
2670 BDB::min_parallel 8;
2671 3637
2672 BDB::set_sync_prepare { 3638 BDB::set_sync_prepare {
2673 my $status; 3639 my $status;
2674 my $current = $Coro::current; 3640 my $current = $Coro::current;
2675 ( 3641 (
… …
2684 ) 3650 )
2685 }; 3651 };
2686 3652
2687 unless ($DB_ENV) { 3653 unless ($DB_ENV) {
2688 $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);
2689 3659
2690 cf::sync_job { 3660 cf::sync_job {
2691 eval { 3661 eval {
2692 BDB::db_env_open 3662 BDB::db_env_open
2693 $DB_ENV, 3663 $DB_ENV,
2694 $BDB_ENV_DIR, 3664 $BDBDIR,
2695 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
2696 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3666 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697 0666; 3667 0666;
2698 3668
2699 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3669 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702 $DB_ENV->set_lk_detect;
2703 }; 3670 };
2704 3671
2705 cf::cleanup "db_env_open(db): $@" if $@; 3672 cf::cleanup "db_env_open(db): $@" if $@;
2706 }; 3673 };
2707 } 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 };
2708} 3685}
2709 3686
2710{ 3687{
2711 IO::AIO::min_parallel 8; 3688 IO::AIO::min_parallel 8;
2712 3689
2713 undef $Coro::AIO::WATCHER; 3690 undef $Coro::AIO::WATCHER;
2714 IO::AIO::max_poll_time $TICK * 0.1; 3691 IO::AIO::max_poll_time $TICK * 0.1;
2715 $AIO_POLL_WATCHER = Event->io ( 3692 $AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2716 reentrant => 0,
2717 data => WF_AUTOCANCEL,
2718 fd => IO::AIO::poll_fileno,
2719 poll => 'r',
2720 prio => 6,
2721 cb => \&IO::AIO::poll_cb,
2722 );
2723} 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;
2724 3737
2725END { cf::emergency_save } 3738END { cf::emergency_save }
2726 3739
27271 37401
2728 3741

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