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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.199 by root, Mon Jan 29 14:46:01 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket;
8use Storable; 9use Storable;
10use Event;
9use Opcode; 11use Opcode;
10use Safe; 12use Safe;
11use Safe::Hole; 13use Safe::Hole;
12 14
13use Coro 3.5 (); 15use Coro 3.64 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
31use YAML::Syck ();
23use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
24use YAML::Syck ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
38 54
39our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
43 60
61our $RELOAD; # number of reloads so far
44our @EVENT; 62our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 63
47our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 77our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 80our $NEXT_TICK;
52our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $DB_ENV;
53 86
54our %CFG; 87our %CFG;
55 88
56our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 90our $RUNTIME;
58 91
59our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 95
67# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 98
99our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100our $LOADAVG; # same thing, but with alpha-smoothing
101our $tick_start; # for load detecting purposes
102
70binmode STDOUT; 103binmode STDOUT;
71binmode STDERR; 104binmode STDERR;
72 105
73# read virtual server time, if available 106# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 107unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 108 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 109 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 110 $RUNTIME = <$fh> + 0.;
78} 111}
79 112
80mkdir cf::localdir; 113mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 114 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 115
86our $EMERGENCY_POSITION; 116our $EMERGENCY_POSITION;
87 117
88sub cf::map::normalise; 118sub cf::map::normalise;
89 119
100=item $cf::RUNTIME 130=item $cf::RUNTIME
101 131
102The time this server has run, starts at 0 and is increased by $cf::TICK on 132The time this server has run, starts at 0 and is increased by $cf::TICK on
103every server tick. 133every server tick.
104 134
105=item $cf::LIBDIR 135=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
136$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
137$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106 138
107The perl library directory, where extensions and cf-specific modules can 139Various directories - "/etc", read-only install directory, perl-library
108be found. It will be added to C<@INC> automatically. 140directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141unique-items directory, player file directory, random maps directory and
142database environment.
109 143
110=item $cf::NOW 144=item $cf::NOW
111 145
112The time of the last (current) server tick. 146The time of the last (current) server tick.
113 147
114=item $cf::TICK 148=item $cf::TICK
115 149
116The interval between server ticks, in seconds. 150The interval between server ticks, in seconds.
151
152=item $cf::LOADAVG
153
154The current CPU load on the server (alpha-smoothed), as a value between 0
155(none) and 1 (overloaded), indicating how much time is spent on processing
156objects per tick. Healthy values are < 0.5.
157
158=item $cf::LOAD
159
160The raw value load value from the last tick.
117 161
118=item %cf::CFG 162=item %cf::CFG
119 163
120Configuration for the server, loaded from C</etc/crossfire/config>, or 164Configuration for the server, loaded from C</etc/crossfire/config>, or
121from wherever your confdir points to. 165from wherever your confdir points to.
122 166
123=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 167=item cf::wait_for_tick, cf::wait_for_tick_begin
124 168
125These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 169These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 170returns directly I<after> the tick processing (and consequently, can only wake one process
127processing has been done. Call C<< ->wait >> on them to maximise the 171per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128window of cpu time available, or simply to synchronise to the server tick. 172
173=item @cf::INVOKE_RESULTS
174
175This array contains the results of the last C<invoke ()> call. When
176C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177that call.
129 178
130=back 179=back
131 180
132=cut 181=cut
133 182
134BEGIN { 183BEGIN {
135 *CORE::GLOBAL::warn = sub { 184 *CORE::GLOBAL::warn = sub {
136 my $msg = join "", @_; 185 my $msg = join "", @_;
137 utf8::encode $msg;
138 186
139 $msg .= "\n" 187 $msg .= "\n"
140 unless $msg =~ /\n$/; 188 unless $msg =~ /\n$/;
141 189
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191
192 utf8::encode $msg;
142 LOG llevError, $msg; 193 LOG llevError, $msg;
143 }; 194 };
144} 195}
145 196
146@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 198@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 199@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 200@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150@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';
151@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)
152 204
153# 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
154# within the Safe compartment. 206# within the Safe compartment.
155for my $pkg (qw( 207for my $pkg (qw(
156 cf::global cf::attachable 208 cf::global cf::attachable
164} 216}
165 217
166$Event::DIED = sub { 218$Event::DIED = sub {
167 warn "error in event callback: @_"; 219 warn "error in event callback: @_";
168}; 220};
221
222#############################################################################
169 223
170=head2 UTILITY FUNCTIONS 224=head2 UTILITY FUNCTIONS
171 225
172=over 4 226=over 4
173 227
192 $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;
193 $d 247 $d
194 } || "[unable to dump $_[0]: '$@']"; 248 } || "[unable to dump $_[0]: '$@']";
195} 249}
196 250
197use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199=item $ref = cf::from_json $json 251=item $ref = cf::from_json $json
200 252
201Converts a JSON string into the corresponding perl data structure. 253Converts a JSON string into the corresponding perl data structure.
202 254
203=cut
204
205sub from_json($) {
206 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207 JSON::Syck::Load $_[0]
208}
209
210=item $json = cf::to_json $ref 255=item $json = cf::to_json $ref
211 256
212Converts a perl data structure into its JSON representation. 257Converts a perl data structure into its JSON representation.
213 258
214=cut 259=cut
215 260
216sub to_json($) { 261our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 262
218 JSON::Syck::Dump $_[0] 263sub to_json ($) { $json_coder->encode ($_[0]) }
219} 264sub from_json ($) { $json_coder->decode ($_[0]) }
220 265
221=item cf::lock_wait $string 266=item cf::lock_wait $string
222 267
223Wait until the given lock is available. See cf::lock_acquire. 268Wait until the given lock is available. See cf::lock_acquire.
224 269
227Wait 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
228a 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,
229for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
230returned. 275returned.
231 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
232Lock 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
233uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
234 282
283=item $locked = cf::lock_active $string
284
285Return true if the lock is currently active, i.e. somebody has locked it.
286
235=cut 287=cut
236 288
237our %LOCK; 289our %LOCK;
290our %LOCKER;#d#
238 291
239sub lock_wait($) { 292sub lock_wait($) {
240 my ($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#
241 299
242 # wait for lock, if any 300 # wait for lock, if any
243 while ($LOCK{$key}) { 301 while ($LOCK{$key}) {
244 push @{ $LOCK{$key} }, $Coro::current; 302 push @{ $LOCK{$key} }, $Coro::current;
245 Coro::schedule; 303 Coro::schedule;
251 309
252 # wait, to be sure we are not locked 310 # wait, to be sure we are not locked
253 lock_wait $key; 311 lock_wait $key;
254 312
255 $LOCK{$key} = []; 313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
256 315
257 Coro::guard { 316 Coro::guard {
317 delete $LOCKER{$key};#d#
258 # wake up all waiters, to be on the safe side 318 # wake up all waiters, to be on the safe side
259 $_->ready for @{ delete $LOCK{$key} }; 319 $_->ready for @{ delete $LOCK{$key} };
260 } 320 }
261} 321}
262 322
323sub lock_active($) {
324 my ($key) = @_;
325
326 ! ! $LOCK{$key}
327}
328
263sub freeze_mainloop { 329sub freeze_mainloop {
264 return unless $TICK_WATCHER->is_active; 330 return unless $TICK_WATCHER->is_active;
265 331
266 my $guard = Coro::guard { 332 my $guard = Coro::guard {
267 $TICK_WATCHER->start; 333 $TICK_WATCHER->start;
268 $WRITE_RUNTIME_WATCHER->start;
269 }; 334 };
270 $WRITE_RUNTIME_WATCHER->stop;
271 $TICK_WATCHER->stop; 335 $TICK_WATCHER->stop;
272 $guard 336 $guard
337}
338
339=item cf::get_slot $time[, $priority[, $name]]
340
341Allocate $time seconds of blocking CPU time at priority C<$priority>:
342This call blocks and returns only when you have at least C<$time> seconds
343of cpu time till the next tick. The slot is only valid till the next cede.
344
345The optional C<$name> can be used to identify the job to run. It might be
346used for statistical purposes and should identify the same time-class.
347
348Useful for short background jobs.
349
350=cut
351
352our @SLOT_QUEUE;
353our $SLOT_QUEUE;
354
355$SLOT_QUEUE->cancel if $SLOT_QUEUE;
356$SLOT_QUEUE = Coro::async {
357 my $signal = new Coro::Signal;
358
359 while () {
360 next_job:
361 my $avail = cf::till_tick;
362 if ($avail > 0.01) {
363 for (0 .. $#SLOT_QUEUE) {
364 if ($SLOT_QUEUE[$_][0] < $avail) {
365 my $job = splice @SLOT_QUEUE, $_, 1, ();
366 $job->[2]->send;
367 Coro::cede;
368 goto next_job;
369 }
370 }
371 }
372
373 if (@SLOT_QUEUE) {
374 # we do not use wait_For_tick() as it returns immediately when tick is inactive
375 push @cf::WAIT_FOR_TICK, $signal;
376 $signal->wait;
377 } else {
378 Coro::schedule;
379 }
380 }
381};
382
383sub get_slot($;$$) {
384 my ($time, $pri, $name) = @_;
385
386 $time = $TICK * .6 if $time > $TICK * .6;
387 my $sig = new Coro::Signal;
388
389 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
390 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
391 $SLOT_QUEUE->ready;
392 $sig->wait;
273} 393}
274 394
275=item cf::async { BLOCK } 395=item cf::async { BLOCK }
276 396
277Currently the same as Coro::async_pool, meaning you cannot use 397Currently the same as Coro::async_pool, meaning you cannot use
282 402
283BEGIN { *async = \&Coro::async_pool } 403BEGIN { *async = \&Coro::async_pool }
284 404
285=item cf::sync_job { BLOCK } 405=item cf::sync_job { BLOCK }
286 406
287The design of crossfire+ requires that the main coro ($Coro::main) is 407The design of Crossfire TRT requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 408is always able to handle events or runnable, as Crossfire TRT is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 409partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
410acceptable.
290 411
291If it must be done, put the blocking parts into C<sync_job>. This will run 412If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 413the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 414server will be frozen during this time, so the block should either finish
294fast or be very important. 415fast or be very important.
297 418
298sub sync_job(&) { 419sub sync_job(&) {
299 my ($job) = @_; 420 my ($job) = @_;
300 421
301 if ($Coro::current == $Coro::main) { 422 if ($Coro::current == $Coro::main) {
423 my $time = Event::time;
424
302 # this is the main coro, too bad, we have to block 425 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 426 # till the operation succeeds, freezing the server :/
304 427
305 # TODO: use suspend/resume instead 428 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 429 # (but this is cancel-safe)
317 440
318 while ($busy) { 441 while ($busy) {
319 Coro::cede or Event::one_event; 442 Coro::cede or Event::one_event;
320 } 443 }
321 444
445 $time = Event::time - $time;
446
447 LOG llevError | logBacktrace, Carp::longmess "long sync job"
448 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
449
450 $tick_start += $time; # do not account sync jobs to server load
451
322 wantarray ? @res : $res[0] 452 wantarray ? @res : $res[0]
323 } else { 453 } else {
324 # we are in another coroutine, how wonderful, everything just works 454 # we are in another coroutine, how wonderful, everything just works
325 455
326 $job->() 456 $job->()
345 $EXT_CORO{$coro+0} = $coro; 475 $EXT_CORO{$coro+0} = $coro;
346 476
347 $coro 477 $coro
348} 478}
349 479
350sub write_runtime { 480=item fork_call { }, $args
351 my $runtime = cf::localdir . "/runtime";
352 481
353 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 482Executes the given code block with the given arguments in a seperate
354 or return; 483process, returning the results. Everything must be serialisable with
484Coro::Storable. May, of course, block. Note that the executed sub may
485never block itself or use any form of Event handling.
355 486
356 my $value = $cf::RUNTIME + 90 + 10; 487=cut
357 # 10 is the runtime save interval, for a monotonic clock
358 # 60 allows for the watchdog to kill the server.
359 488
360 (aio_write $fh, 0, (length $value), $value, 0) <= 0 489sub fork_call(&@) {
361 and return; 490 my ($cb, @args) = @_;
362 491
363 aio_fsync $fh 492 # we seemingly have to make a local copy of the whole thing,
364 and return; 493 # otherwise perl prematurely frees the stuff :/
494 # TODO: investigate and fix (likely this will be rather laborious)
365 495
366 close $fh 496 my @res = Coro::Util::fork_eval {
367 or return; 497 reset_signals;
498 &$cb
499 }, @args;
368 500
369 aio_rename "$runtime~", $runtime 501 wantarray ? @res : $res[-1]
370 and return; 502}
371 503
504=item $value = cf::db_get $family => $key
505
506Returns a single value from the environment database.
507
508=item cf::db_put $family => $key => $value
509
510Stores the given C<$value> in the family. It can currently store binary
511data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
512
513=cut
514
515our $DB;
516
517sub db_init {
518 unless ($DB) {
519 $DB = BDB::db_create $DB_ENV;
520
521 cf::sync_job {
522 eval {
523 $DB->set_flags (BDB::CHKSUM);
524
525 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
526 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
527 cf::cleanup "db_open(db): $!" if $!;
528 };
529 cf::cleanup "db_open(db): $@" if $@;
530 };
372 1 531 }
532}
533
534sub db_get($$) {
535 my $key = "$_[0]/$_[1]";
536
537 cf::sync_job {
538 BDB::db_get $DB, undef, $key, my $data;
539
540 $! ? ()
541 : $data
542 }
543}
544
545sub db_put($$$) {
546 BDB::dbreq_pri 4;
547 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
548}
549
550=item cf::cache $id => [$paths...], $processversion => $process
551
552Generic caching function that returns the value of the resource $id,
553caching and regenerating as required.
554
555This function can block.
556
557=cut
558
559sub cache {
560 my ($id, $src, $processversion, $process) = @_;
561
562 my $meta =
563 join "\x00",
564 $processversion,
565 map {
566 aio_stat $_
567 and Carp::croak "$_: $!";
568
569 ($_, (stat _)[7,9])
570 } @$src;
571
572 my $dbmeta = db_get cache => "$id/meta";
573 if ($dbmeta ne $meta) {
574 # changed, we may need to process
575
576 my @data;
577 my $md5;
578
579 for (0 .. $#$src) {
580 0 <= aio_load $src->[$_], $data[$_]
581 or Carp::croak "$src->[$_]: $!";
582 }
583
584 # if processing is expensive, check
585 # checksum first
586 if (1) {
587 $md5 =
588 join "\x00",
589 $processversion,
590 map {
591 cf::cede_to_tick;
592 ($src->[$_], Digest::MD5::md5_hex $data[$_])
593 } 0.. $#$src;
594
595
596 my $dbmd5 = db_get cache => "$id/md5";
597 if ($dbmd5 eq $md5) {
598 db_put cache => "$id/meta", $meta;
599
600 return db_get cache => "$id/data";
601 }
602 }
603
604 my $t1 = Time::HiRes::time;
605 my $data = $process->(\@data);
606 my $t2 = Time::HiRes::time;
607
608 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
609
610 db_put cache => "$id/data", $data;
611 db_put cache => "$id/md5" , $md5;
612 db_put cache => "$id/meta", $meta;
613
614 return $data;
615 }
616
617 db_get cache => "$id/data"
618}
619
620=item cf::datalog type => key => value, ...
621
622Log a datalog packet of the given type with the given key-value pairs.
623
624=cut
625
626sub datalog($@) {
627 my ($type, %kv) = @_;
628 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373} 629}
374 630
375=back 631=back
376 632
377=cut 633=cut
384attach callbacks/event handlers (a collection of which is called an "attachment") 640attach callbacks/event handlers (a collection of which is called an "attachment")
385to it. All such attachable objects support the following methods. 641to it. All such attachable objects support the following methods.
386 642
387In the following description, CLASS can be any of C<global>, C<object> 643In the following description, CLASS can be any of C<global>, C<object>
388C<player>, C<client> or C<map> (i.e. the attachable objects in 644C<player>, C<client> or C<map> (i.e. the attachable objects in
389crossfire+). 645Crossfire TRT).
390 646
391=over 4 647=over 4
392 648
393=item $attachable->attach ($attachment, key => $value...) 649=item $attachable->attach ($attachment, key => $value...)
394 650
557 $registry = $CB_TYPE[$object_type] ||= []; 813 $registry = $CB_TYPE[$object_type] ||= [];
558 814
559 } elsif ($type eq "subtype") { 815 } elsif ($type eq "subtype") {
560 defined $object_type or Carp::croak "subtype specified without type"; 816 defined $object_type or Carp::croak "subtype specified without type";
561 my $object_subtype = shift @arg; 817 my $object_subtype = shift @arg;
562 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 818 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563 819
564 } elsif ($type eq "package") { 820 } elsif ($type eq "package") {
565 my $pkg = shift @arg; 821 my $pkg = shift @arg;
566 822
567 while (my ($name, $id) = each %cb_id) { 823 while (my ($name, $id) = each %cb_id) {
596 _attach $registry, $klass, @attach; 852 _attach $registry, $klass, @attach;
597 } 853 }
598 854
599 $obj->{$name} = \%arg; 855 $obj->{$name} = \%arg;
600 } else { 856 } else {
601 warn "object uses attachment '$name' that is not available, postponing.\n"; 857 warn "object uses attachment '$name' which is not available, postponing.\n";
602 } 858 }
603 859
604 $obj->{_attachment}{$name} = undef; 860 $obj->{_attachment}{$name} = undef;
605} 861}
606 862
608 if (ref $_[0]) { 864 if (ref $_[0]) {
609 _object_attach @_; 865 _object_attach @_;
610 } else { 866 } else {
611 _attach shift->_attach_registry, @_; 867 _attach shift->_attach_registry, @_;
612 } 868 }
869 _recalc_want;
613}; 870};
614 871
615# all those should be optimised 872# all those should be optimised
616sub cf::attachable::detach { 873sub cf::attachable::detach {
617 my ($obj, $name) = @_; 874 my ($obj, $name) = @_;
620 delete $obj->{_attachment}{$name}; 877 delete $obj->{_attachment}{$name};
621 reattach ($obj); 878 reattach ($obj);
622 } else { 879 } else {
623 Carp::croak "cannot, currently, detach class attachments"; 880 Carp::croak "cannot, currently, detach class attachments";
624 } 881 }
882 _recalc_want;
625}; 883};
626 884
627sub cf::attachable::attached { 885sub cf::attachable::attached {
628 my ($obj, $name) = @_; 886 my ($obj, $name) = @_;
629 887
644 "; 902 ";
645 die if $@; 903 die if $@;
646} 904}
647 905
648our $override; 906our $override;
649our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 907our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650 908
651sub override { 909sub override {
652 $override = 1; 910 $override = 1;
653 @invoke_results = (); 911 @INVOKE_RESULTS = (@_);
654} 912}
655 913
656sub do_invoke { 914sub do_invoke {
657 my $event = shift; 915 my $event = shift;
658 my $callbacks = shift; 916 my $callbacks = shift;
659 917
660 @invoke_results = (); 918 @INVOKE_RESULTS = ();
661 919
662 local $override; 920 local $override;
663 921
664 for (@$callbacks) { 922 for (@$callbacks) {
665 eval { &{$_->[1]} }; 923 eval { &{$_->[1]} };
682 940
683Generate an object-specific event with the given arguments. 941Generate an object-specific event with the given arguments.
684 942
685This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 943This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686removed in future versions), and there is no public API to access override 944removed in future versions), and there is no public API to access override
687results (if you must, access C<@cf::invoke_results> directly). 945results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688 946
689=back 947=back
690 948
691=cut 949=cut
692 950
693############################################################################# 951#############################################################################
694# object support 952# object support
953#
954
955sub _can_merge {
956 my ($ob1, $ob2) = @_;
957
958 local $Storable::canonical = 1;
959 my $fob1 = Storable::freeze $ob1;
960 my $fob2 = Storable::freeze $ob2;
961
962 $fob1 eq $fob2
963}
695 964
696sub reattach { 965sub reattach {
697 # basically do the same as instantiate, without calling instantiate 966 # basically do the same as instantiate, without calling instantiate
698 my ($obj) = @_; 967 my ($obj) = @_;
699 968
744); 1013);
745 1014
746sub object_freezer_save { 1015sub object_freezer_save {
747 my ($filename, $rdata, $objs) = @_; 1016 my ($filename, $rdata, $objs) = @_;
748 1017
1018 my $guard = cf::lock_acquire "io";
1019
749 sync_job { 1020 sync_job {
750 if (length $$rdata) { 1021 if (length $$rdata) {
751 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
752 $filename, length $$rdata, scalar @$objs; 1023 $filename, length $$rdata, scalar @$objs;
753 1024
754 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1025 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755 chmod SAVE_MODE, $fh; 1026 chmod SAVE_MODE, $fh;
756 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1027 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757 aio_fsync $fh; 1028 aio_fsync $fh if $cf::USE_FSYNC;
758 close $fh; 1029 close $fh;
759 1030
760 if (@$objs) { 1031 if (@$objs) {
761 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1032 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762 chmod SAVE_MODE, $fh; 1033 chmod SAVE_MODE, $fh;
763 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1034 my $data = Storable::nfreeze { version => 1, objs => $objs };
764 aio_write $fh, 0, (length $data), $data, 0; 1035 aio_write $fh, 0, (length $data), $data, 0;
765 aio_fsync $fh; 1036 aio_fsync $fh if $cf::USE_FSYNC;
766 close $fh; 1037 close $fh;
767 aio_rename "$filename.pst~", "$filename.pst"; 1038 aio_rename "$filename.pst~", "$filename.pst";
768 } 1039 }
769 } else { 1040 } else {
770 aio_unlink "$filename.pst"; 1041 aio_unlink "$filename.pst";
776 } 1047 }
777 } else { 1048 } else {
778 aio_unlink $filename; 1049 aio_unlink $filename;
779 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
780 } 1051 }
781 } 1052 };
1053
1054 undef $guard;
782} 1055}
783 1056
784sub object_freezer_as_string { 1057sub object_freezer_as_string {
785 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
786 1059
791 1064
792sub object_thawer_load { 1065sub object_thawer_load {
793 my ($filename) = @_; 1066 my ($filename) = @_;
794 1067
795 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
796 1071
797 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
798 or return; 1073 or return;
799 1074
800 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
801 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
802 or return; 1077 or return;
1078
1079 undef $guard;
803 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
804 } 1081 }
805 1082
806 warn sprintf "loading %s (%d)\n", 1083 warn sprintf "loading %s (%d)\n",
807 $filename, length $data, scalar @{$av || []};#d# 1084 $filename, length $data, scalar @{$av || []};
1085
808 return ($data, $av); 1086 ($data, $av)
809} 1087}
1088
1089=head2 COMMAND CALLBACKS
1090
1091=over 4
1092
1093=cut
810 1094
811############################################################################# 1095#############################################################################
812# command handling &c 1096# command handling &c
813 1097
814=item cf::register_command $name => \&callback($ob,$args); 1098=item cf::register_command $name => \&callback($ob,$args);
827 push @{ $COMMAND{$name} }, [$caller, $cb]; 1111 push @{ $COMMAND{$name} }, [$caller, $cb];
828} 1112}
829 1113
830=item cf::register_extcmd $name => \&callback($pl,$packet); 1114=item cf::register_extcmd $name => \&callback($pl,$packet);
831 1115
832Register a callbackf ro execution when the client sends an extcmd packet. 1116Register a callback for execution when the client sends an (synchronous)
1117extcmd packet. Ext commands will be processed in the order they are
1118received by the server, like other user commands. The first argument is
1119the logged-in player. Ext commands can only be processed after a player
1120has logged in successfully.
833 1121
834If the callback returns something, it is sent back as if reply was being 1122If the callback returns something, it is sent back as if reply was being
835called. 1123called.
836 1124
1125=item cf::register_exticmd $name => \&callback($ns,$packet);
1126
1127Register a callback for execution when the client sends an (asynchronous)
1128exticmd packet. Exti commands are processed by the server as soon as they
1129are received, i.e. out of order w.r.t. other commands. The first argument
1130is a client socket. Exti commands can be received anytime, even before
1131log-in.
1132
1133If the callback returns something, it is sent back as if reply was being
1134called.
1135
837=cut 1136=cut
838 1137
839sub register_extcmd { 1138sub register_extcmd {
840 my ($name, $cb) = @_; 1139 my ($name, $cb) = @_;
841 1140
842 $EXTCMD{$name} = $cb; 1141 $EXTCMD{$name} = $cb;
1142}
1143
1144sub register_exticmd {
1145 my ($name, $cb) = @_;
1146
1147 $EXTICMD{$name} = $cb;
843} 1148}
844 1149
845cf::player->attach ( 1150cf::player->attach (
846 on_command => sub { 1151 on_command => sub {
847 my ($pl, $name, $params) = @_; 1152 my ($pl, $name, $params) = @_;
856 cf::override; 1161 cf::override;
857 }, 1162 },
858 on_extcmd => sub { 1163 on_extcmd => sub {
859 my ($pl, $buf) = @_; 1164 my ($pl, $buf) = @_;
860 1165
861 my $msg = eval { from_json $buf }; 1166 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
862 1167
863 if (ref $msg) { 1168 if (ref $msg) {
1169 my ($type, $reply, @payload) =
1170 "ARRAY" eq ref $msg
1171 ? @$msg
1172 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1173
1174 my @reply;
1175
864 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1176 if (my $cb = $EXTCMD{$type}) {
865 if (my %reply = $cb->($pl, $msg)) { 1177 @reply = $cb->($pl, @payload);
866 $pl->ext_reply ($msg->{msgid}, %reply);
867 }
868 } 1178 }
1179
1180 $pl->ext_reply ($reply, @reply)
1181 if $reply;
1182
869 } else { 1183 } else {
870 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1184 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
871 } 1185 }
872 1186
873 cf::override; 1187 cf::override;
874 }, 1188 },
875); 1189);
876 1190
877sub load_extension {
878 my ($path) = @_;
879
880 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
881 my $base = $1;
882 my $pkg = $1;
883 $pkg =~ s/[^[:word:]]/_/g;
884 $pkg = "ext::$pkg";
885
886 warn "... loading '$path' into '$pkg'\n";
887
888 open my $fh, "<:utf8", $path
889 or die "$path: $!";
890
891 my $source =
892 "package $pkg; use strict; use utf8;\n"
893 . "#line 1 \"$path\"\n{\n"
894 . (do { local $/; <$fh> })
895 . "\n};\n1";
896
897 unless (eval $source) {
898 my $msg = $@ ? "$path: $@\n"
899 : "extension disabled.\n";
900 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
901 warn $@;
902 warn "mandatory extension failed to load, exiting.\n";
903 exit 1;
904 }
905 die $@;
906 }
907
908 push @EXTS, $pkg;
909}
910
911sub load_extensions { 1191sub load_extensions {
1192 cf::sync_job {
1193 my %todo;
1194
912 for my $ext (<$LIBDIR/*.ext>) { 1195 for my $path (<$LIBDIR/*.ext>) {
913 next unless -r $ext; 1196 next unless -r $path;
914 eval { 1197
915 load_extension $ext; 1198 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1199 my $base = $1;
1200 my $pkg = $1;
1201 $pkg =~ s/[^[:word:]]/_/g;
1202 $pkg = "ext::$pkg";
1203
1204 open my $fh, "<:utf8", $path
1205 or die "$path: $!";
1206
1207 my $source = do { local $/; <$fh> };
1208
1209 my %ext = (
1210 path => $path,
1211 base => $base,
1212 pkg => $pkg,
1213 );
1214
1215 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1216 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1217
1218 $ext{source} =
1219 "package $pkg; use strict; use utf8;\n"
1220 . "#line 1 \"$path\"\n{\n"
1221 . $source
1222 . "\n};\n1";
1223
1224 $todo{$base} = \%ext;
1225 }
1226
1227 my %done;
1228 while (%todo) {
1229 my $progress;
1230
1231 while (my ($k, $v) = each %todo) {
1232 for (split /,\s*/, $v->{meta}{depends}) {
1233 goto skip
1234 unless exists $done{$_};
1235 }
1236
1237 warn "... loading '$k' into '$v->{pkg}'\n";
1238
1239 unless (eval $v->{source}) {
1240 my $msg = $@ ? "$v->{path}: $@\n"
1241 : "$v->{base}: extension inactive.\n";
1242
1243 if (exists $v->{meta}{mandatory}) {
1244 warn $msg;
1245 warn "mandatory extension failed to load, exiting.\n";
1246 exit 1;
1247 }
1248
1249 warn $msg;
1250 }
1251
1252 $done{$k} = delete $todo{$k};
1253 push @EXTS, $v->{pkg};
1254 $progress = 1;
916 1 1255 }
917 } or warn "$ext not loaded: $@"; 1256
1257 skip:
1258 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1259 unless $progress;
1260 }
918 } 1261 };
919} 1262}
920 1263
921############################################################################# 1264#############################################################################
922 1265
1266=back
1267
923=head2 CORE EXTENSIONS 1268=head2 CORE EXTENSIONS
924 1269
925Functions and methods that extend core crossfire objects. 1270Functions and methods that extend core crossfire objects.
926 1271
927=cut 1272=cut
939Returns the given player object, loading it if necessary (might block). 1284Returns the given player object, loading it if necessary (might block).
940 1285
941=cut 1286=cut
942 1287
943sub playerdir($) { 1288sub playerdir($) {
944 cf::localdir 1289 "$PLAYERDIR/"
945 . "/"
946 . cf::playerdir
947 . "/"
948 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1290 . (ref $_[0] ? $_[0]->ob->name : $_[0])
949} 1291}
950 1292
951sub path($) { 1293sub path($) {
952 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1294 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
953 1295
954 (playerdir $login) . "/$login.pl" 1296 (playerdir $login) . "/playerdata"
955} 1297}
956 1298
957sub find_active($) { 1299sub find_active($) {
958 $cf::PLAYER{$_[0]} 1300 $cf::PLAYER{$_[0]}
959 and $cf::PLAYER{$_[0]}->active 1301 and $cf::PLAYER{$_[0]}->active
972 my $login = $_[0]; 1314 my $login = $_[0];
973 1315
974 my $guard = cf::lock_acquire "user_find:$login"; 1316 my $guard = cf::lock_acquire "user_find:$login";
975 1317
976 $cf::PLAYER{$_[0]} || do { 1318 $cf::PLAYER{$_[0]} || do {
977 my $pl = load_pl path $login 1319 # rename old playerfiles to new ones
1320 #TODO: remove when no longer required
1321 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1322 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1323 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1324 aio_unlink +(playerdir $login) . "/$login.pl";
1325
1326 my $f = new_from_file cf::object::thawer path $login
978 or return; 1327 or return;
1328
1329 $f->next;
1330 my $pl = cf::player::load_pl $f
1331 or return;
1332 local $cf::PLAYER_LOADING{$login} = $pl;
1333 $f->resolve_delayed_derefs;
979 $cf::PLAYER{$login} = $pl 1334 $cf::PLAYER{$login} = $pl
980 } 1335 }
981 } 1336 }
982} 1337}
983 1338
993 1348
994 aio_mkdir playerdir $pl, 0770; 1349 aio_mkdir playerdir $pl, 0770;
995 $pl->{last_save} = $cf::RUNTIME; 1350 $pl->{last_save} = $cf::RUNTIME;
996 1351
997 $pl->save_pl ($path); 1352 $pl->save_pl ($path);
998 Coro::cede; 1353 cf::cede_to_tick;
999} 1354}
1000 1355
1001sub new($) { 1356sub new($) {
1002 my ($login) = @_; 1357 my ($login) = @_;
1003 1358
1009 $cf::PLAYER{$login} = $self; 1364 $cf::PLAYER{$login} = $self;
1010 1365
1011 $self 1366 $self
1012} 1367}
1013 1368
1369=item $player->send_msg ($channel, $msg, $color, [extra...])
1370
1371=cut
1372
1373sub send_msg {
1374 my $ns = shift->ns
1375 or return;
1376 $ns->send_msg (@_);
1377}
1378
1014=item $pl->quit_character 1379=item $pl->quit_character
1015 1380
1016Nukes the player without looking back. If logged in, the connection will 1381Nukes the player without looking back. If logged in, the connection will
1017be destroyed. May block for a long time. 1382be destroyed. May block for a long time.
1018 1383
1019=cut 1384=cut
1020 1385
1021sub quit_character { 1386sub quit_character {
1022 my ($pl) = @_; 1387 my ($pl) = @_;
1388
1389 my $name = $pl->ob->name;
1023 1390
1024 $pl->{deny_save} = 1; 1391 $pl->{deny_save} = 1;
1025 $pl->password ("*"); # this should lock out the player until we nuked the dir 1392 $pl->password ("*"); # this should lock out the player until we nuked the dir
1026 1393
1027 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1394 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1032 my $path = playerdir $pl; 1399 my $path = playerdir $pl;
1033 my $temp = "$path~$cf::RUNTIME~deleting~"; 1400 my $temp = "$path~$cf::RUNTIME~deleting~";
1034 aio_rename $path, $temp; 1401 aio_rename $path, $temp;
1035 delete $cf::PLAYER{$pl->ob->name}; 1402 delete $cf::PLAYER{$pl->ob->name};
1036 $pl->destroy; 1403 $pl->destroy;
1404
1405 my $prefix = qr<^~\Q$name\E/>;
1406
1407 # nuke player maps
1408 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1409
1037 IO::AIO::aio_rmtree $temp; 1410 IO::AIO::aio_rmtree $temp;
1411}
1412
1413=item $pl->kick
1414
1415Kicks a player out of the game. This destroys the connection.
1416
1417=cut
1418
1419sub kick {
1420 my ($pl, $kicker) = @_;
1421
1422 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1423 $pl->killer ("kicked");
1424 $pl->ns->destroy;
1038} 1425}
1039 1426
1040=item cf::player::list_logins 1427=item cf::player::list_logins
1041 1428
1042Returns am arrayref of all valid playernames in the system, can take a 1429Returns am arrayref of all valid playernames in the system, can take a
1043while and may block, so not sync_job-capable, ever. 1430while and may block, so not sync_job-capable, ever.
1044 1431
1045=cut 1432=cut
1046 1433
1047sub list_logins { 1434sub list_logins {
1048 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1435 my $dirs = aio_readdir $PLAYERDIR
1049 or return []; 1436 or return [];
1050 1437
1051 my @logins; 1438 my @logins;
1052 1439
1053 for my $login (@$dirs) { 1440 for my $login (@$dirs) {
1441 my $path = path $login;
1442
1443 # a .pst is a dead give-away for a valid player
1444 unless (-e "$path.pst") {
1054 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1445 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1055 aio_read $fh, 0, 512, my $buf, 0 or next; 1446 aio_read $fh, 0, 512, my $buf, 0 or next;
1056 $buf !~ /^password -------------$/m or next; # official not-valid tag 1447 $buf !~ /^password -------------$/m or next; # official not-valid tag
1448 }
1057 1449
1058 utf8::decode $login; 1450 utf8::decode $login;
1059 push @logins, $login; 1451 push @logins, $login;
1060 } 1452 }
1061 1453
1069 1461
1070=cut 1462=cut
1071 1463
1072sub maps($) { 1464sub maps($) {
1073 my ($pl) = @_; 1465 my ($pl) = @_;
1466
1467 $pl = ref $pl ? $pl->ob->name : $pl;
1074 1468
1075 my $files = aio_readdir playerdir $pl 1469 my $files = aio_readdir playerdir $pl
1076 or return; 1470 or return;
1077 1471
1078 my @paths; 1472 my @paths;
1080 for (@$files) { 1474 for (@$files) {
1081 utf8::decode $_; 1475 utf8::decode $_;
1082 next if /\.(?:pl|pst)$/; 1476 next if /\.(?:pl|pst)$/;
1083 next unless /^$PATH_SEP/o; 1477 next unless /^$PATH_SEP/o;
1084 1478
1085 push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_; 1479 push @paths, cf::map::normalise "~$pl/$_";
1086 } 1480 }
1087 1481
1088 \@paths 1482 \@paths
1089} 1483}
1090 1484
1485=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1486
1487Expand crossfire pod fragments into protocol xml.
1488
1489=cut
1490
1491sub expand_cfpod {
1492 ((my $self), (local $_)) = @_;
1493
1494 # escape & and <
1495 s/&/&amp;/g;
1496 s/(?<![BIUGHT])</&lt;/g;
1497
1498 # this is buggy, it needs to properly take care of nested <'s
1499
1500 1 while
1501 # replace B<>, I<>, U<> etc.
1502 s/B<([^\>]*)>/<b>$1<\/b>/
1503 || s/I<([^\>]*)>/<i>$1<\/i>/
1504 || s/U<([^\>]*)>/<u>$1<\/u>/
1505 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1506 # replace G<male|female> tags
1507 || s{G<([^>|]*)\|([^>]*)>}{
1508 $self->gender ? $2 : $1
1509 }ge
1510 # replace H<hint text>
1511 || s{H<([^\>]*)>}
1512 {
1513 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1514 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1515 "")
1516 [$self->{hintmode}]
1517 }ge;
1518
1519 # create single paragraphs (very hackish)
1520 s/(?<=\S)\n(?=\w)/ /g;
1521
1522 # compress some whitespace
1523 s/\s+\n/\n/g; # ws line-ends
1524 s/\n\n+/\n/g; # double lines
1525 s/^\n+//; # beginning lines
1526 s/\n+$//; # ending lines
1527
1528 $_
1529}
1530
1531sub hintmode {
1532 $_[0]{hintmode} = $_[1] if @_ > 1;
1533 $_[0]{hintmode}
1534}
1535
1091=item $player->ext_reply ($msgid, $msgtype, %msg) 1536=item $player->ext_reply ($msgid, @msg)
1092 1537
1093Sends an ext reply to the player. 1538Sends an ext reply to the player.
1094 1539
1095=cut 1540=cut
1096 1541
1097sub ext_reply($$$%) { 1542sub ext_reply($$@) {
1098 my ($self, $id, %msg) = @_; 1543 my ($self, $id, @msg) = @_;
1099 1544
1100 $msg{msgid} = $id; 1545 $self->ns->ext_reply ($id, @msg)
1101
1102 $self->send ("ext " . cf::to_json \%msg);
1103} 1546}
1104 1547
1105package cf; 1548=item $player->ext_msg ($type, @msg)
1549
1550Sends an ext event to the client.
1551
1552=cut
1553
1554sub ext_msg($$@) {
1555 my ($self, $type, @msg) = @_;
1556
1557 $self->ns->ext_msg ($type, @msg);
1558}
1559
1560=head3 cf::region
1561
1562=over 4
1563
1564=cut
1565
1566package cf::region;
1567
1568=item cf::region::find_by_path $path
1569
1570Tries to decuce the likely region for a map knowing only its path.
1571
1572=cut
1573
1574sub find_by_path($) {
1575 my ($path) = @_;
1576
1577 my ($match, $specificity);
1578
1579 for my $region (list) {
1580 if ($region->{match} && $path =~ $region->{match}) {
1581 ($match, $specificity) = ($region, $region->specificity)
1582 if $region->specificity > $specificity;
1583 }
1584 }
1585
1586 $match
1587}
1106 1588
1107=back 1589=back
1108
1109 1590
1110=head3 cf::map 1591=head3 cf::map
1111 1592
1112=over 4 1593=over 4
1113 1594
1168 my ($self, $merge) = @_; 1649 my ($self, $merge) = @_;
1169 1650
1170 # we have to keep some variables in memory intact 1651 # we have to keep some variables in memory intact
1171 local $self->{path}; 1652 local $self->{path};
1172 local $self->{load_path}; 1653 local $self->{load_path};
1173 local $self->{deny_save};
1174 local $self->{deny_reset};
1175 1654
1176 $self->SUPER::thawer_merge ($merge); 1655 $self->SUPER::thawer_merge ($merge);
1177} 1656}
1178 1657
1179sub normalise { 1658sub normalise {
1226 $self->init; # pass $1 etc. 1705 $self->init; # pass $1 etc.
1227 return $self; 1706 return $self;
1228 } 1707 }
1229 } 1708 }
1230 1709
1231 Carp::carp "unable to resolve path '$path' (base '$base')."; 1710 Carp::cluck "unable to resolve path '$path' (base '$base').";
1232 () 1711 ()
1233} 1712}
1234 1713
1235sub init { 1714sub init {
1236 my ($self) = @_; 1715 my ($self) = @_;
1251 1730
1252# the original (read-only) location 1731# the original (read-only) location
1253sub load_path { 1732sub load_path {
1254 my ($self) = @_; 1733 my ($self) = @_;
1255 1734
1256 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1735 "$MAPDIR/$self->{path}.map"
1257} 1736}
1258 1737
1259# the temporary/swap location 1738# the temporary/swap location
1260sub save_path { 1739sub save_path {
1261 my ($self) = @_; 1740 my ($self) = @_;
1262 1741
1263 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1742 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1264 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1743 "$TMPDIR/$path.map"
1265} 1744}
1266 1745
1267# the unique path, undef == no special unique path 1746# the unique path, undef == no special unique path
1268sub uniq_path { 1747sub uniq_path {
1269 my ($self) = @_; 1748 my ($self) = @_;
1270 1749
1271 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1750 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1272 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1751 "$UNIQUEDIR/$path"
1273} 1752}
1274 1753
1275# and all this just because we cannot iterate over 1754# and all this just because we cannot iterate over
1276# all maps in C++... 1755# all maps in C++...
1277sub change_all_map_light { 1756sub change_all_map_light {
1279 1758
1280 $_->change_map_light ($change) 1759 $_->change_map_light ($change)
1281 for grep $_->outdoor, values %cf::MAP; 1760 for grep $_->outdoor, values %cf::MAP;
1282} 1761}
1283 1762
1763sub decay_objects {
1764 my ($self) = @_;
1765
1766 return if $self->{deny_reset};
1767
1768 $self->do_decay_objects;
1769}
1770
1284sub unlink_save { 1771sub unlink_save {
1285 my ($self) = @_; 1772 my ($self) = @_;
1286 1773
1287 utf8::encode (my $save = $self->save_path); 1774 utf8::encode (my $save = $self->save_path);
1288 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1775 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1291 1778
1292sub load_header_from($) { 1779sub load_header_from($) {
1293 my ($self, $path) = @_; 1780 my ($self, $path) = @_;
1294 1781
1295 utf8::encode $path; 1782 utf8::encode $path;
1296 aio_open $path, O_RDONLY, 0 1783 my $f = new_from_file cf::object::thawer $path
1297 or return; 1784 or return;
1298 1785
1299 $self->_load_header ($path) 1786 $self->_load_header ($f)
1300 or return; 1787 or return;
1788
1789 local $MAP_LOADING{$self->{path}} = $self;
1790 $f->resolve_delayed_derefs;
1301 1791
1302 $self->{load_path} = $path; 1792 $self->{load_path} = $path;
1303 1793
1304 1 1794 1
1305} 1795}
1344 $self->load_header_orig 1834 $self->load_header_orig
1345 or return; 1835 or return;
1346 $self->prepare_orig; 1836 $self->prepare_orig;
1347 } 1837 }
1348 1838
1839 $self->{deny_reset} = 1
1840 if $self->no_reset;
1841
1842 $self->default_region (cf::region::find_by_path $self->{path})
1843 unless $self->default_region;
1844
1349 1 1845 1
1350} 1846}
1351 1847
1352sub find; 1848sub find;
1353sub find { 1849sub find {
1354 my ($path, $origin) = @_; 1850 my ($path, $origin) = @_;
1355 1851
1356 $path = normalise $path, $origin && $origin->path; 1852 $path = normalise $path, $origin && $origin->path;
1357 1853
1854 cf::lock_wait "map_data:$path";#d#remove
1358 cf::lock_wait "map_find:$path"; 1855 cf::lock_wait "map_find:$path";
1359 1856
1360 $cf::MAP{$path} || do { 1857 $cf::MAP{$path} || do {
1361 my $guard = cf::lock_acquire "map_find:$path"; 1858 my $guard1 = cf::lock_acquire "map_find:$path";
1859 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1362 my $map = new_from_path cf::map $path 1861 my $map = new_from_path cf::map $path
1363 or return; 1862 or return;
1364 1863
1365 $map->{last_save} = $cf::RUNTIME; 1864 $map->{last_save} = $cf::RUNTIME;
1366 1865
1367 $map->load_header 1866 $map->load_header
1368 or return; 1867 or return;
1369 1868
1370 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1869 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1371 # doing this can freeze the server in a sync job, obviously 1870 # doing this can freeze the server in a sync job, obviously
1372 #$cf::WAIT_FOR_TICK->wait; 1871 #$cf::WAIT_FOR_TICK->wait;
1872 undef $guard1;
1873 undef $guard2;
1373 $map->reset; 1874 $map->reset;
1374 undef $guard;
1375 return find $path; 1875 return find $path;
1376 } 1876 }
1377 1877
1378 $cf::MAP{$path} = $map 1878 $cf::MAP{$path} = $map
1379 } 1879 }
1386 my ($self) = @_; 1886 my ($self) = @_;
1387 1887
1388 local $self->{deny_reset} = 1; # loading can take a long time 1888 local $self->{deny_reset} = 1; # loading can take a long time
1389 1889
1390 my $path = $self->{path}; 1890 my $path = $self->{path};
1891
1892 {
1391 my $guard = cf::lock_acquire "map_load:$path"; 1893 my $guard = cf::lock_acquire "map_data:$path";
1392 1894
1895 return unless $self->valid;
1393 return if $self->in_memory != cf::MAP_SWAPPED; 1896 return unless $self->in_memory == cf::MAP_SWAPPED;
1394 1897
1395 $self->in_memory (cf::MAP_LOADING); 1898 $self->in_memory (cf::MAP_LOADING);
1396 1899
1397 $self->alloc; 1900 $self->alloc;
1398 1901
1399 $self->pre_load; 1902 $self->pre_load;
1903 cf::cede_to_tick;
1400 1904
1401 $self->_load_objects ($self->{load_path}, 1) 1905 my $f = new_from_file cf::object::thawer $self->{load_path};
1906 $f->skip_block;
1907 $self->_load_objects ($f)
1402 or return; 1908 or return;
1403 1909
1404 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1910 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1405 if delete $self->{load_original}; 1911 if delete $self->{load_original};
1406 1912
1407 if (my $uniq = $self->uniq_path) { 1913 if (my $uniq = $self->uniq_path) {
1408 utf8::encode $uniq; 1914 utf8::encode $uniq;
1409 if (aio_open $uniq, O_RDONLY, 0) { 1915 unless (aio_stat $uniq) {
1916 if (my $f = new_from_file cf::object::thawer $uniq) {
1410 $self->clear_unique_items; 1917 $self->clear_unique_items;
1411 $self->_load_objects ($uniq, 0); 1918 $self->_load_objects ($f);
1919 $f->resolve_delayed_derefs;
1920 }
1412 } 1921 }
1413 } 1922 }
1414 1923
1415 Coro::cede; 1924 $f->resolve_delayed_derefs;
1416 1925
1926 cf::cede_to_tick;
1417 # now do the right thing for maps 1927 # now do the right thing for maps
1418 $self->link_multipart_objects; 1928 $self->link_multipart_objects;
1419
1420 unless ($self->{deny_activate}) {
1421 $self->decay_objects;
1422 $self->fix_auto_apply;
1423 $self->update_buttons;
1424 Coro::cede;
1425 $self->set_darkness_map;
1426 $self->difficulty ($self->estimate_difficulty) 1929 $self->difficulty ($self->estimate_difficulty)
1427 unless $self->difficulty; 1930 unless $self->difficulty;
1428 Coro::cede; 1931 cf::cede_to_tick;
1932
1933 unless ($self->{deny_activate}) {
1934 $self->decay_objects;
1935 $self->fix_auto_apply;
1936 $self->update_buttons;
1937 cf::cede_to_tick;
1938 $self->set_darkness_map;
1939 cf::cede_to_tick;
1429 $self->activate; 1940 $self->activate;
1941 }
1942
1943 $self->{last_save} = $cf::RUNTIME;
1944 $self->last_access ($cf::RUNTIME);
1945
1946 $self->in_memory (cf::MAP_IN_MEMORY);
1430 } 1947 }
1431 1948
1432 $self->post_load; 1949 $self->post_load;
1433
1434 $self->in_memory (cf::MAP_IN_MEMORY);
1435} 1950}
1436 1951
1437sub customise_for { 1952sub customise_for {
1438 my ($self, $ob) = @_; 1953 my ($self, $ob) = @_;
1439 1954
1440 return find "~" . $ob->name . "/" . $self->{path} 1955 return find "~" . $ob->name . "/" . $self->{path}
1441 if $self->per_player; 1956 if $self->per_player;
1442 1957
1958# return find "?party/" . $ob->name . "/" . $self->{path}
1959# if $self->per_party;
1960
1443 $self 1961 $self
1444} 1962}
1445 1963
1446# find and load all maps in the 3x3 area around a map 1964# find and load all maps in the 3x3 area around a map
1447sub load_diag { 1965sub load_neighbours {
1448 my ($map) = @_; 1966 my ($map) = @_;
1449 1967
1450 my @diag; # diagonal neighbours 1968 my @neigh; # diagonal neighbours
1451 1969
1452 for (0 .. 3) { 1970 for (0 .. 3) {
1453 my $neigh = $map->tile_path ($_) 1971 my $neigh = $map->tile_path ($_)
1454 or next; 1972 or next;
1455 $neigh = find $neigh, $map 1973 $neigh = find $neigh, $map
1456 or next; 1974 or next;
1457 $neigh->load; 1975 $neigh->load;
1458 1976
1977 push @neigh,
1459 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1978 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1460 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 1979 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1461 } 1980 }
1462 1981
1463 for (@diag) { 1982 for (grep defined $_->[0], @neigh) {
1983 my ($path, $origin) = @$_;
1464 my $neigh = find @$_ 1984 my $neigh = find $path, $origin
1465 or next; 1985 or next;
1466 $neigh->load; 1986 $neigh->load;
1467 } 1987 }
1468} 1988}
1469 1989
1474} 1994}
1475 1995
1476sub do_load_sync { 1996sub do_load_sync {
1477 my ($map) = @_; 1997 my ($map) = @_;
1478 1998
1999 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2000 if $Coro::current == $Coro::main;
2001
1479 cf::sync_job { $map->load }; 2002 cf::sync_job { $map->load };
1480} 2003}
1481 2004
1482our %MAP_PREFETCH; 2005our %MAP_PREFETCH;
1483our $MAP_PREFETCHER = undef; 2006our $MAP_PREFETCHER = undef;
1484 2007
1485sub find_async { 2008sub find_async {
1486 my ($path, $origin) = @_; 2009 my ($path, $origin, $load) = @_;
1487 2010
1488 $path = normalise $path, $origin && $origin->{path}; 2011 $path = normalise $path, $origin && $origin->{path};
1489 2012
1490 if (my $map = $cf::MAP{$path}) { 2013 if (my $map = $cf::MAP{$path}) {
1491 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2014 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1492 } 2015 }
1493 2016
1494 undef $MAP_PREFETCH{$path}; 2017 $MAP_PREFETCH{$path} |= $load;
2018
1495 $MAP_PREFETCHER ||= cf::async { 2019 $MAP_PREFETCHER ||= cf::async {
1496 while (%MAP_PREFETCH) { 2020 while (%MAP_PREFETCH) {
1497 for my $path (keys %MAP_PREFETCH) { 2021 while (my ($k, $v) = each %MAP_PREFETCH) {
1498 my $map = find $path 2022 if (my $map = find $k) {
1499 or next;
1500 $map->load; 2023 $map->load if $v;
2024 }
1501 2025
1502 delete $MAP_PREFETCH{$path}; 2026 delete $MAP_PREFETCH{$k};
1503 } 2027 }
1504 } 2028 }
1505 undef $MAP_PREFETCHER; 2029 undef $MAP_PREFETCHER;
1506 }; 2030 };
1507 $MAP_PREFETCHER->prio (6); 2031 $MAP_PREFETCHER->prio (6);
1510} 2034}
1511 2035
1512sub save { 2036sub save {
1513 my ($self) = @_; 2037 my ($self) = @_;
1514 2038
1515 my $lock = cf::lock_acquire "map_data:" . $self->path; 2039 my $lock = cf::lock_acquire "map_data:$self->{path}";
1516 2040
1517 $self->{last_save} = $cf::RUNTIME; 2041 $self->{last_save} = $cf::RUNTIME;
1518 2042
1519 return unless $self->dirty; 2043 return unless $self->dirty;
1520 2044
1543 my ($self) = @_; 2067 my ($self) = @_;
1544 2068
1545 # save first because save cedes 2069 # save first because save cedes
1546 $self->save; 2070 $self->save;
1547 2071
1548 my $lock = cf::lock_acquire "map_data:" . $self->path; 2072 my $lock = cf::lock_acquire "map_data:$self->{path}";
1549 2073
1550 return if $self->players; 2074 return if $self->players;
1551 return if $self->in_memory != cf::MAP_IN_MEMORY; 2075 return if $self->in_memory != cf::MAP_IN_MEMORY;
1552 return if $self->{deny_save}; 2076 return if $self->{deny_save};
1553 2077
2078 $self->in_memory (cf::MAP_SWAPPED);
2079
2080 $self->deactivate;
2081 $_->clear_links_to ($self) for values %cf::MAP;
1554 $self->clear; 2082 $self->clear;
1555 $self->in_memory (cf::MAP_SWAPPED);
1556} 2083}
1557 2084
1558sub reset_at { 2085sub reset_at {
1559 my ($self) = @_; 2086 my ($self) = @_;
1560 2087
1561 # TODO: safety, remove and allow resettable per-player maps 2088 # TODO: safety, remove and allow resettable per-player maps
1562 return 1e99 if $self->isa ("ext::map_per_player");#d#
1563 return 1e99 if $self->{deny_reset}; 2089 return 1e99 if $self->{deny_reset};
1564 2090
1565 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2091 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2092 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567 2093
1578 my ($self) = @_; 2104 my ($self) = @_;
1579 2105
1580 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2106 my $lock = cf::lock_acquire "map_data:$self->{path}";
1581 2107
1582 return if $self->players; 2108 return if $self->players;
1583 return if $self->isa ("ext::map_per_player");#d#
1584 2109
1585 warn "resetting map ", $self->path;#d# 2110 warn "resetting map ", $self->path;
2111
2112 $self->in_memory (cf::MAP_SWAPPED);
2113
2114 # need to save uniques path
2115 unless ($self->{deny_save}) {
2116 my $uniq = $self->uniq_path; utf8::encode $uniq;
2117
2118 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2119 if $uniq;
2120 }
1586 2121
1587 delete $cf::MAP{$self->path}; 2122 delete $cf::MAP{$self->path};
1588 2123
1589 $self->in_memory (cf::MAP_SWAPPED); 2124 $self->deactivate;
2125 $_->clear_links_to ($self) for values %cf::MAP;
1590 $self->clear; 2126 $self->clear;
1591
1592 $_->clear_links_to ($self) for values %cf::MAP;
1593 2127
1594 $self->unlink_save; 2128 $self->unlink_save;
1595 $self->destroy; 2129 $self->destroy;
1596} 2130}
1597 2131
1598my $nuke_counter = "aaaa"; 2132my $nuke_counter = "aaaa";
1599 2133
1600sub nuke { 2134sub nuke {
1601 my ($self) = @_; 2135 my ($self) = @_;
1602 2136
2137 {
2138 my $lock = cf::lock_acquire "map_data:$self->{path}";
2139
1603 delete $cf::MAP{$self->path}; 2140 delete $cf::MAP{$self->path};
1604 2141
1605 $self->unlink_save; 2142 $self->unlink_save;
1606 2143
1607 bless $self, "cf::map"; 2144 bless $self, "cf::map";
1608 delete $self->{deny_reset}; 2145 delete $self->{deny_reset};
1609 $self->{deny_save} = 1; 2146 $self->{deny_save} = 1;
1610 $self->reset_timeout (1); 2147 $self->reset_timeout (1);
1611 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2148 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1612 2149
1613 $cf::MAP{$self->path} = $self; 2150 $cf::MAP{$self->path} = $self;
2151 }
1614 2152
1615 $self->reset; # polite request, might not happen 2153 $self->reset; # polite request, might not happen
2154}
2155
2156=item $maps = cf::map::tmp_maps
2157
2158Returns an arrayref with all map paths of currently instantiated and saved
2159maps. May block.
2160
2161=cut
2162
2163sub tmp_maps() {
2164 [
2165 map {
2166 utf8::decode $_;
2167 /\.map$/
2168 ? normalise $_
2169 : ()
2170 } @{ aio_readdir $TMPDIR or [] }
2171 ]
2172}
2173
2174=item $maps = cf::map::random_maps
2175
2176Returns an arrayref with all map paths of currently instantiated and saved
2177random maps. May block.
2178
2179=cut
2180
2181sub random_maps() {
2182 [
2183 map {
2184 utf8::decode $_;
2185 /\.map$/
2186 ? normalise "?random/$_"
2187 : ()
2188 } @{ aio_readdir $RANDOMDIR or [] }
2189 ]
1616} 2190}
1617 2191
1618=item cf::map::unique_maps 2192=item cf::map::unique_maps
1619 2193
1620Returns an arrayref of paths of all shared maps that have 2194Returns an arrayref of paths of all shared maps that have
1621instantiated unique items. May block. 2195instantiated unique items. May block.
1622 2196
1623=cut 2197=cut
1624 2198
1625sub unique_maps() { 2199sub unique_maps() {
1626 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2200 [
1627 or return; 2201 map {
1628
1629 my @paths;
1630
1631 for (@$files) {
1632 utf8::decode $_; 2202 utf8::decode $_;
1633 next if /\.pst$/; 2203 /\.map$/
1634 next unless /^$PATH_SEP/o; 2204 ? normalise $_
1635 2205 : ()
1636 push @paths, cf::map::normalise $_; 2206 } @{ aio_readdir $UNIQUEDIR or [] }
1637 } 2207 ]
1638
1639 \@paths
1640} 2208}
1641 2209
1642package cf; 2210package cf;
1643 2211
1644=back 2212=back
1662 map { $_, inv_recursive_ $_->inv } @_ 2230 map { $_, inv_recursive_ $_->inv } @_
1663} 2231}
1664 2232
1665sub inv_recursive { 2233sub inv_recursive {
1666 inv_recursive_ inv $_[0] 2234 inv_recursive_ inv $_[0]
2235}
2236
2237=item $ref = $ob->ref
2238
2239creates and returns a persistent reference to an objetc that can be stored as a string.
2240
2241=item $ob = cf::object::deref ($refstring)
2242
2243returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2244even if the object actually exists. May block.
2245
2246=cut
2247
2248sub deref {
2249 my ($ref) = @_;
2250
2251 # temporary compatibility#TODO#remove
2252 $ref =~ s{^<}{player/<};
2253
2254 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2255 my ($uuid, $name) = ($1, $2);
2256 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2257 or return;
2258 $pl->ob->uuid eq $uuid
2259 or return;
2260
2261 $pl->ob
2262 } else {
2263 warn "$ref: cannot resolve object reference\n";
2264 undef
2265 }
1667} 2266}
1668 2267
1669package cf; 2268package cf;
1670 2269
1671=back 2270=back
1690 2289
1691 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2290 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1692 2291
1693 if ($self->{record_replies}) { 2292 if ($self->{record_replies}) {
1694 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2293 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2294
1695 } else { 2295 } else {
2296 my $pl = $self->contr;
2297
2298 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2299 my $dialog = $pl->{npc_dialog};
2300 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2301
2302 } else {
1696 $msg = $npc->name . " says: $msg" if $npc; 2303 $msg = $npc->name . " says: $msg" if $npc;
1697 $self->message ($msg, $flags); 2304 $self->message ($msg, $flags);
2305 }
1698 } 2306 }
2307}
2308
2309=item $object->send_msg ($channel, $msg, $color, [extra...])
2310
2311=cut
2312
2313sub cf::object::send_msg {
2314 my $pl = shift->contr
2315 or return;
2316 $pl->send_msg (@_);
1699} 2317}
1700 2318
1701=item $player_object->may ("access") 2319=item $player_object->may ("access")
1702 2320
1703Returns wether the given player is authorized to access resource "access" 2321Returns wether the given player is authorized to access resource "access"
1750 $self->deactivate_recursive; 2368 $self->deactivate_recursive;
1751 2369
1752 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2370 return if UNIVERSAL::isa $self->map, "ext::map_link";
1753 2371
1754 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2372 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1755 if $self->map; 2373 if $self->map && $self->map->{path} ne "{link}";
1756 2374
1757 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2375 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1758} 2376}
1759 2377
1760sub cf::object::player::leave_link { 2378sub cf::object::player::leave_link {
1761 my ($self, $map, $x, $y) = @_; 2379 my ($self, $map, $x, $y) = @_;
2380
2381 return unless $self->contr->active;
1762 2382
1763 my $link_pos = delete $self->{_link_pos}; 2383 my $link_pos = delete $self->{_link_pos};
1764 2384
1765 unless ($map) { 2385 unless ($map) {
1766 # restore original map position 2386 # restore original map position
1780 # use -1 or undef as default coordinates, not 0, 0 2400 # use -1 or undef as default coordinates, not 0, 0
1781 ($x, $y) = ($map->enter_x, $map->enter_y) 2401 ($x, $y) = ($map->enter_x, $map->enter_y)
1782 if $x <=0 && $y <= 0; 2402 if $x <=0 && $y <= 0;
1783 2403
1784 $map->load; 2404 $map->load;
1785 $map->load_diag; 2405 $map->load_neighbours;
1786 2406
1787 return unless $self->contr->active; 2407 return unless $self->contr->active;
1788 $self->activate_recursive; 2408 $self->activate_recursive;
2409
2410 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1789 $self->enter_map ($map, $x, $y); 2411 $self->enter_map ($map, $x, $y);
1790} 2412}
1791 2413
1792cf::player->attach ( 2414=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1793 on_logout => sub {
1794 my ($pl) = @_;
1795 2415
1796 # abort map switching before logout 2416Moves the player to the given map-path and coordinates by first freezing
1797 if ($pl->ob->{_link_pos}) { 2417her, loading and preparing them map, calling the provided $check callback
1798 cf::sync_job { 2418that has to return the map if sucecssful, and then unfreezes the player on
1799 $pl->ob->leave_link 2419the new (success) or old (failed) map position. In either case, $done will
1800 }; 2420be called at the end of this process.
1801 }
1802 },
1803 on_login => sub {
1804 my ($pl) = @_;
1805 2421
1806 # try to abort aborted map switching on player login :)
1807 # should happen only on crashes
1808 if ($pl->ob->{_link_pos}) {
1809 $pl->ob->enter_link;
1810 (async {
1811 # we need this sleep as the login has a concurrent enter_exit running
1812 # and this sleep increases chances of the player not ending up in scorn
1813 $pl->ob->reply (undef,
1814 "There was an internal problem at your last logout, "
1815 . "the server will try to bring you to your intended destination in a second.",
1816 cf::NDI_RED);
1817 Coro::Timer::sleep 1;
1818 $pl->ob->leave_link;
1819 })->prio (2);
1820 }
1821 },
1822);
1823
1824=item $player_object->goto ($path, $x, $y)
1825
1826=cut 2422=cut
2423
2424our $GOTOGEN;
1827 2425
1828sub cf::object::player::goto { 2426sub cf::object::player::goto {
1829 my ($self, $path, $x, $y) = @_; 2427 my ($self, $path, $x, $y, $check, $done) = @_;
2428
2429 # do generation counting so two concurrent goto's will be executed in-order
2430 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1830 2431
1831 $self->enter_link; 2432 $self->enter_link;
1832 2433
1833 (async { 2434 (async {
1834 my $map = eval { 2435 my $map = eval {
1835 my $map = cf::map::find $path; 2436 my $map = cf::map::find $path;
2437
2438 if ($map) {
1836 $map = $map->customise_for ($self) if $map; 2439 $map = $map->customise_for ($self);
2440 $map = $check->($map) if $check && $map;
2441 } else {
2442 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
2443 }
2444
1837 $map 2445 $map
2446 };
2447
2448 if ($@) {
2449 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2450 LOG llevError | logBacktrace, Carp::longmess $@;
1838 } or 2451 }
1839 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1840 2452
2453 if ($gen == $self->{_goto_generation}) {
2454 delete $self->{_goto_generation};
1841 $self->leave_link ($map, $x, $y); 2455 $self->leave_link ($map, $x, $y);
2456 }
2457
2458 $done->() if $done;
1842 })->prio (1); 2459 })->prio (1);
1843} 2460}
1844 2461
1845=item $player_object->enter_exit ($exit_object) 2462=item $player_object->enter_exit ($exit_object)
1846 2463
1885 2502
1886 $rmp->{random_seed} ||= $exit->random_seed; 2503 $rmp->{random_seed} ||= $exit->random_seed;
1887 2504
1888 my $data = cf::to_json $rmp; 2505 my $data = cf::to_json $rmp;
1889 my $md5 = Digest::MD5::md5_hex $data; 2506 my $md5 = Digest::MD5::md5_hex $data;
1890 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2507 my $meta = "$RANDOMDIR/$md5.meta";
1891 2508
1892 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2509 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1893 aio_write $fh, 0, (length $data), $data, 0; 2510 aio_write $fh, 0, (length $data), $data, 0;
1894 undef $fh; 2511 undef $fh;
1895 aio_rename "$meta~", $meta; 2512 aio_rename "$meta~", $meta;
1904 2521
1905 return unless $self->type == cf::PLAYER; 2522 return unless $self->type == cf::PLAYER;
1906 2523
1907 if ($exit->slaying eq "/!") { 2524 if ($exit->slaying eq "/!") {
1908 #TODO: this should de-fi-ni-te-ly not be a sync-job 2525 #TODO: this should de-fi-ni-te-ly not be a sync-job
2526 # the problem is that $exit might not survive long enough
2527 # so it needs to be done right now, right here
1909 cf::sync_job { prepare_random_map $exit }; 2528 cf::sync_job { prepare_random_map $exit };
1910 } 2529 }
1911 2530
1912 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2531 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1913 my $hp = $exit->stats->hp; 2532 my $hp = $exit->stats->hp;
1914 my $sp = $exit->stats->sp; 2533 my $sp = $exit->stats->sp;
1915 2534
1916 $self->enter_link; 2535 $self->enter_link;
2536
2537 # if exit is damned, update players death & WoR home-position
2538 $self->contr->savebed ($slaying, $hp, $sp)
2539 if $exit->flag (FLAG_DAMNED);
1917 2540
1918 (async { 2541 (async {
1919 $self->deactivate_recursive; # just to be sure 2542 $self->deactivate_recursive; # just to be sure
1920 unless (eval { 2543 unless (eval {
1921 $self->goto ($slaying, $hp, $sp); 2544 $self->goto ($slaying, $hp, $sp);
1922 2545
1923 1; 2546 1;
1924 }) { 2547 }) {
1925 $self->message ("Something went wrong deep within the crossfire server. " 2548 $self->message ("Something went wrong deep within the crossfire server. "
1926 . "I'll try to bring you back to the map you were before. " 2549 . "I'll try to bring you back to the map you were before. "
1927 . "Please report this to the dungeon master!", 2550 . "Please report this to the dungeon master!",
1928 cf::NDI_UNIQUE | cf::NDI_RED); 2551 cf::NDI_UNIQUE | cf::NDI_RED);
1929 2552
1930 warn "ERROR in enter_exit: $@"; 2553 warn "ERROR in enter_exit: $@";
1931 $self->leave_link; 2554 $self->leave_link;
1932 } 2555 }
1933 })->prio (1); 2556 })->prio (1);
1946 2569
1947sub cf::client::send_drawinfo { 2570sub cf::client::send_drawinfo {
1948 my ($self, $text, $flags) = @_; 2571 my ($self, $text, $flags) = @_;
1949 2572
1950 utf8::encode $text; 2573 utf8::encode $text;
1951 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2574 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1952} 2575}
1953 2576
2577=item $client->send_msg ($channel, $msg, $color, [extra...])
2578
2579Send a drawinfo or msg packet to the client, formatting the msg for the
2580client if neccessary. C<$type> should be a string identifying the type of
2581the message, with C<log> being the default. If C<$color> is negative, suppress
2582the message unless the client supports the msg packet.
2583
2584=cut
2585
2586our %CHANNEL = (
2587 "c/identify" => {
2588 id => "identify",
2589 title => "Identify",
2590 reply => undef,
2591 tooltip => "Items recently identified",
2592 },
2593 "c/examine" => {
2594 id => "examine",
2595 title => "Examine",
2596 reply => undef,
2597 tooltip => "Signs and other items you examined",
2598 },
2599);
2600
2601sub cf::client::send_msg {
2602 my ($self, $channel, $msg, $color, @extra) = @_;
2603
2604 $msg = $self->pl->expand_cfpod ($msg);
2605
2606 $color &= cf::NDI_CLIENT_MASK; # just in case...
2607
2608 # check predefined channels, for the benefit of C
2609 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2610
2611 if (ref $channel) {
2612 # send meta info to client, if not yet sent
2613 unless (exists $self->{channel}{$channel->{id}}) {
2614 $self->{channel}{$channel->{id}} = $channel;
2615 $self->ext_msg (channel_info => $channel)
2616 if $self->can_msg;
2617 }
2618
2619 $channel = $channel->{id};
2620 }
2621
2622 return unless @extra || length $msg;
2623
2624 if ($self->can_msg) {
2625 # default colour, mask it out
2626 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2627 if $color & cf::NDI_DEF;
2628
2629 $self->send_packet ("msg " . $self->{json_coder}->encode (
2630 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2631 } else {
2632 if ($color >= 0) {
2633 # replace some tags by gcfclient-compatible ones
2634 for ($msg) {
2635 1 while
2636 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2637 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2638 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2639 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2640 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2641 }
2642
2643 $color &= cf::NDI_COLOR_MASK;
2644
2645 utf8::encode $msg;
2646
2647 if (0 && $msg =~ /\[/) {
2648 # COMMAND/INFO
2649 $self->send_packet ("drawextinfo $color 10 8 $msg")
2650 } else {
2651 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2652 $self->send_packet ("drawinfo $color $msg")
2653 }
2654 }
2655 }
2656}
2657
2658=item $client->ext_msg ($type, @msg)
2659
2660Sends an ext event to the client.
2661
2662=cut
2663
2664sub cf::client::ext_msg($$@) {
2665 my ($self, $type, @msg) = @_;
2666
2667 if ($self->extcmd == 2) {
2668 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2669 } elsif ($self->extcmd == 1) { # TODO: remove
2670 push @msg, msgtype => "event_$type";
2671 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2672 }
2673}
2674
2675=item $client->ext_reply ($msgid, @msg)
2676
2677Sends an ext reply to the client.
2678
2679=cut
2680
2681sub cf::client::ext_reply($$@) {
2682 my ($self, $id, @msg) = @_;
2683
2684 if ($self->extcmd == 2) {
2685 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2686 } elsif ($self->extcmd == 1) {
2687 #TODO: version 1, remove
2688 unshift @msg, msgtype => "reply", msgid => $id;
2689 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2690 }
2691}
1954 2692
1955=item $success = $client->query ($flags, "text", \&cb) 2693=item $success = $client->query ($flags, "text", \&cb)
1956 2694
1957Queues a query to the client, calling the given callback with 2695Queues a query to the client, calling the given callback with
1958the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2696the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1959C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2697C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1960 2698
1961Queries can fail, so check the return code. Or don't, as queries will become 2699Queries can fail, so check the return code. Or don't, as queries will
1962reliable at some point in the future. 2700become reliable at some point in the future.
1963 2701
1964=cut 2702=cut
1965 2703
1966sub cf::client::query { 2704sub cf::client::query {
1967 my ($self, $flags, $text, $cb) = @_; 2705 my ($self, $flags, $text, $cb) = @_;
1975 utf8::encode $text; 2713 utf8::encode $text;
1976 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2714 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1977 2715
1978 $self->send_packet ($self->{query_queue}[0][0]) 2716 $self->send_packet ($self->{query_queue}[0][0])
1979 if @{ $self->{query_queue} } == 1; 2717 if @{ $self->{query_queue} } == 1;
2718
2719 1
1980} 2720}
1981 2721
1982cf::client->attach ( 2722cf::client->attach (
2723 on_connect => sub {
2724 my ($ns) = @_;
2725
2726 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2727 },
1983 on_reply => sub { 2728 on_reply => sub {
1984 my ($ns, $msg) = @_; 2729 my ($ns, $msg) = @_;
1985 2730
1986 # this weird shuffling is so that direct followup queries 2731 # this weird shuffling is so that direct followup queries
1987 # get handled first 2732 # get handled first
1988 my $queue = delete $ns->{query_queue} 2733 my $queue = delete $ns->{query_queue}
1989 or return; # be conservative, not sure how that can happen, but we saw a crash here 2734 or return; # be conservative, not sure how that can happen, but we saw a crash here
1990 2735
1991 (shift @$queue)->[1]->($msg); 2736 (shift @$queue)->[1]->($msg);
2737 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1992 2738
1993 push @{ $ns->{query_queue} }, @$queue; 2739 push @{ $ns->{query_queue} }, @$queue;
1994 2740
1995 if (@{ $ns->{query_queue} } == @$queue) { 2741 if (@{ $ns->{query_queue} } == @$queue) {
1996 if (@$queue) { 2742 if (@$queue) {
1998 } else { 2744 } else {
1999 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2745 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2000 } 2746 }
2001 } 2747 }
2002 }, 2748 },
2749 on_exticmd => sub {
2750 my ($ns, $buf) = @_;
2751
2752 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2753
2754 if (ref $msg) {
2755 my ($type, $reply, @payload) =
2756 "ARRAY" eq ref $msg
2757 ? @$msg
2758 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2759
2760 my @reply;
2761
2762 if (my $cb = $EXTICMD{$type}) {
2763 @reply = $cb->($ns, @payload);
2764 }
2765
2766 $ns->ext_reply ($reply, @reply)
2767 if $reply;
2768
2769 } else {
2770 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2771 }
2772
2773 cf::override;
2774 },
2003); 2775);
2004 2776
2005=item $client->async (\&cb) 2777=item $client->async (\&cb)
2006 2778
2007Create a new coroutine, running the specified callback. The coroutine will 2779Create a new coroutine, running the specified callback. The coroutine will
2048our $safe = new Safe "safe"; 2820our $safe = new Safe "safe";
2049our $safe_hole = new Safe::Hole; 2821our $safe_hole = new Safe::Hole;
2050 2822
2051$SIG{FPE} = 'IGNORE'; 2823$SIG{FPE} = 'IGNORE';
2052 2824
2053$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2825$safe->permit_only (Opcode::opset qw(
2826 :base_core :base_mem :base_orig :base_math
2827 grepstart grepwhile mapstart mapwhile
2828 sort time
2829));
2054 2830
2055# here we export the classes and methods available to script code 2831# here we export the classes and methods available to script code
2056 2832
2057=pod 2833=pod
2058 2834
2059The following fucntions and emthods are available within a safe environment: 2835The following functions and methods are available within a safe environment:
2060 2836
2061 cf::object contr pay_amount pay_player map 2837 cf::object
2838 contr pay_amount pay_player map x y force_find force_add
2839 insert remove name archname title slaying race decrease_ob_nr
2840
2062 cf::object::player player 2841 cf::object::player
2063 cf::player peaceful 2842 player
2064 cf::map trigger 2843
2844 cf::player
2845 peaceful
2846
2847 cf::map
2848 trigger
2065 2849
2066=cut 2850=cut
2067 2851
2068for ( 2852for (
2069 ["cf::object" => qw(contr pay_amount pay_player map)], 2853 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2854 insert remove inv name archname title slaying race
2855 decrease_ob_nr)],
2070 ["cf::object::player" => qw(player)], 2856 ["cf::object::player" => qw(player)],
2071 ["cf::player" => qw(peaceful)], 2857 ["cf::player" => qw(peaceful)],
2072 ["cf::map" => qw(trigger)], 2858 ["cf::map" => qw(trigger)],
2073) { 2859) {
2074 no strict 'refs'; 2860 no strict 'refs';
2145=back 2931=back
2146 2932
2147=cut 2933=cut
2148 2934
2149############################################################################# 2935#############################################################################
2936# the server's init and main functions
2150 2937
2151=head2 EXTENSION DATABASE SUPPORT 2938sub load_facedata($) {
2939 my ($path) = @_;
2152 2940
2153Crossfire maintains a very simple database for extension use. It can 2941 # HACK to clear player env face cache, we need some signal framework
2154currently store anything that can be serialised using Storable, which 2942 # for this (global event?)
2155excludes objects. 2943 %ext::player_env::MUSIC_FACE_CACHE = ();
2156 2944
2157The parameter C<$family> should best start with the name of the extension 2945 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2158using it, it should be unique.
2159 2946
2160=over 4 2947 warn "loading facedata from $path\n";
2161 2948
2162=item $hashref = cf::db_get $family 2949 my $facedata;
2950 0 < aio_load $path, $facedata
2951 or die "$path: $!";
2163 2952
2164Return a hashref for use by the extension C<$family>, which can be 2953 $facedata = Coro::Storable::thaw $facedata;
2165modified. After modifications, you have to call C<cf::db_dirty> or
2166C<cf::db_sync>.
2167 2954
2168=item $value = cf::db_get $family => $key 2955 $facedata->{version} == 2
2956 or cf::cleanup "$path: version mismatch, cannot proceed.";
2169 2957
2170Returns a single value from the database 2958 # patch in the exptable
2171 2959 $facedata->{resource}{"res/exp_table"} = {
2172=item cf::db_put $family => $hashref 2960 type => FT_RSRC,
2173 2961 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174Stores the given family hashref into the database. Updates are delayed, if
2175you want the data to be synced to disk immediately, use C<cf::db_sync>.
2176
2177=item cf::db_put $family => $key => $value
2178
2179Stores the given C<$value> in the family hash. Updates are delayed, if you
2180want the data to be synced to disk immediately, use C<cf::db_sync>.
2181
2182=item cf::db_dirty
2183
2184Marks the database as dirty, to be updated at a later time.
2185
2186=item cf::db_sync
2187
2188Immediately write the database to disk I<if it is dirty>.
2189
2190=cut
2191
2192our $DB;
2193
2194{
2195 my $path = cf::localdir . "/database.pst";
2196
2197 sub db_load() {
2198 $DB = stat $path ? Storable::retrieve $path : { };
2199 } 2962 };
2963 cf::cede_to_tick;
2200 2964
2201 my $pid;
2202
2203 sub db_save() {
2204 waitpid $pid, 0 if $pid;
2205 if (0 == ($pid = fork)) {
2206 $DB->{_meta}{version} = 1;
2207 Storable::nstore $DB, "$path~";
2208 rename "$path~", $path;
2209 cf::_exit 0 if defined $pid;
2210 }
2211 } 2965 {
2966 my $faces = $facedata->{faceinfo};
2212 2967
2213 my $dirty; 2968 while (my ($face, $info) = each %$faces) {
2969 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2970 cf::face::set_visibility $idx, $info->{visibility};
2971 cf::face::set_magicmap $idx, $info->{magicmap};
2972 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2973 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2214 2974
2215 sub db_sync() { 2975 cf::cede_to_tick;
2216 db_save if $dirty;
2217 undef $dirty;
2218 }
2219
2220 my $idle = Event->idle (
2221 reentrant => 0,
2222 min => 10,
2223 max => 20,
2224 repeat => 0,
2225 data => WF_AUTOCANCEL,
2226 cb => \&db_sync,
2227 );
2228
2229 sub db_dirty() {
2230 $dirty = 1;
2231 $idle->start;
2232 }
2233
2234 sub db_get($;$) {
2235 @_ >= 2
2236 ? $DB->{$_[0]}{$_[1]}
2237 : ($DB->{$_[0]} ||= { })
2238 }
2239
2240 sub db_put($$;$) {
2241 if (@_ >= 3) {
2242 $DB->{$_[0]}{$_[1]} = $_[2];
2243 } else {
2244 $DB->{$_[0]} = $_[1];
2245 }
2246 db_dirty;
2247 }
2248
2249 cf::global->attach (
2250 prio => 10000,
2251 on_cleanup => sub {
2252 db_sync;
2253 }, 2976 }
2254 );
2255}
2256 2977
2257############################################################################# 2978 while (my ($face, $info) = each %$faces) {
2258# the server's main() 2979 next unless $info->{smooth};
2980 my $idx = cf::face::find $face
2981 or next;
2982 if (my $smooth = cf::face::find $info->{smooth}) {
2983 cf::face::set_smooth $idx, $smooth;
2984 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2985 } else {
2986 warn "smooth face '$info->{smooth}' not found for face '$face'";
2987 }
2259 2988
2260sub cfg_load { 2989 cf::cede_to_tick;
2990 }
2991 }
2992
2993 {
2994 my $anims = $facedata->{animinfo};
2995
2996 while (my ($anim, $info) = each %$anims) {
2997 cf::anim::set $anim, $info->{frames}, $info->{facings};
2998 cf::cede_to_tick;
2999 }
3000
3001 cf::anim::invalidate_all; # d'oh
3002 }
3003
3004 {
3005 # TODO: for gcfclient pleasure, we should give resources
3006 # that gcfclient doesn't grok a >10000 face index.
3007 my $res = $facedata->{resource};
3008
3009 my $soundconf = delete $res->{"res/sound.conf"};
3010
3011 while (my ($name, $info) = each %$res) {
3012 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3013 my $data;
3014
3015 if ($info->{type} & 1) {
3016 # prepend meta info
3017
3018 my $meta = $enc->encode ({
3019 name => $name,
3020 %{ $info->{meta} || {} },
3021 });
3022
3023 $data = pack "(w/a*)*", $meta, $info->{data};
3024 } else {
3025 $data = $info->{data};
3026 }
3027
3028 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3029 cf::face::set_type $idx, $info->{type};
3030
3031 cf::cede_to_tick;
3032 }
3033
3034 if ($soundconf) {
3035 $soundconf = $enc->decode (delete $soundconf->{data});
3036
3037 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3038 my $sound = $soundconf->{compat}[$_]
3039 or next;
3040
3041 my $face = cf::face::find "sound/$sound->[1]";
3042 cf::sound::set $sound->[0] => $face;
3043 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3044 }
3045
3046 while (my ($k, $v) = each %{$soundconf->{event}}) {
3047 my $face = cf::face::find "sound/$v";
3048 cf::sound::set $k => $face;
3049 }
3050 }
3051 }
3052
3053 1
3054}
3055
3056register_exticmd fx_want => sub {
3057 my ($ns, $want) = @_;
3058
3059 while (my ($k, $v) = each %$want) {
3060 $ns->fx_want ($k, $v);
3061 }
3062};
3063
3064sub reload_regions {
3065 # HACK to clear player env face cache, we need some signal framework
3066 # for this (global event?)
3067 %ext::player_env::MUSIC_FACE_CACHE = ();
3068
3069 load_resource_file "$MAPDIR/regions"
3070 or die "unable to load regions file\n";
3071
3072 for (cf::region::list) {
3073 $_->{match} = qr/$_->{match}/
3074 if exists $_->{match};
3075 }
3076}
3077
3078sub reload_facedata {
3079 load_facedata "$DATADIR/facedata"
3080 or die "unable to load facedata\n";
3081}
3082
3083sub reload_archetypes {
3084 load_resource_file "$DATADIR/archetypes"
3085 or die "unable to load archetypes\n";
3086 #d# NEED to laod twice to resolve forward references
3087 # this really needs to be done in an extra post-pass
3088 # (which needs to be synchronous, so solve it differently)
3089 load_resource_file "$DATADIR/archetypes"
3090 or die "unable to load archetypes\n";
3091}
3092
3093sub reload_treasures {
3094 load_resource_file "$DATADIR/treasures"
3095 or die "unable to load treasurelists\n";
3096}
3097
3098sub reload_resources {
3099 warn "reloading resource files...\n";
3100
3101 reload_regions;
3102 reload_facedata;
3103 #reload_archetypes;#d#
3104 reload_archetypes;
3105 reload_treasures;
3106
3107 warn "finished reloading resource files\n";
3108}
3109
3110sub init {
3111 reload_resources;
3112}
3113
3114sub reload_config {
2261 open my $fh, "<:utf8", cf::confdir . "/config" 3115 open my $fh, "<:utf8", "$CONFDIR/config"
2262 or return; 3116 or return;
2263 3117
2264 local $/; 3118 local $/;
2265 *CFG = YAML::Syck::Load <$fh>; 3119 *CFG = YAML::Syck::Load <$fh>;
2266 3120
2285 (async { 3139 (async {
2286 Event::one_event; 3140 Event::one_event;
2287 })->prio (Coro::PRIO_MAX); 3141 })->prio (Coro::PRIO_MAX);
2288 }; 3142 };
2289 3143
2290 cfg_load; 3144 reload_config;
2291 db_load; 3145 db_init;
2292 load_extensions; 3146 load_extensions;
2293 3147
2294 $TICK_WATCHER->start; 3148 $TICK_WATCHER->start;
2295 Event::loop; 3149 Event::loop;
2296} 3150}
2311 }, 3165 },
2312 ); 3166 );
2313 } 3167 }
2314} 3168}
2315 3169
3170sub write_runtime {
3171 my $runtime = "$LOCALDIR/runtime";
3172
3173 # first touch the runtime file to show we are still running:
3174 # the fsync below can take a very very long time.
3175
3176 IO::AIO::aio_utime $runtime, undef, undef;
3177
3178 my $guard = cf::lock_acquire "write_runtime";
3179
3180 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3181 or return;
3182
3183 my $value = $cf::RUNTIME + 90 + 10;
3184 # 10 is the runtime save interval, for a monotonic clock
3185 # 60 allows for the watchdog to kill the server.
3186
3187 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3188 and return;
3189
3190 # always fsync - this file is important
3191 aio_fsync $fh
3192 and return;
3193
3194 # touch it again to show we are up-to-date
3195 aio_utime $fh, undef, undef;
3196
3197 close $fh
3198 or return;
3199
3200 aio_rename "$runtime~", $runtime
3201 and return;
3202
3203 warn "runtime file written.\n";
3204
3205 1
3206}
3207
2316sub emergency_save() { 3208sub emergency_save() {
2317 my $freeze_guard = cf::freeze_mainloop; 3209 my $freeze_guard = cf::freeze_mainloop;
2318 3210
2319 warn "enter emergency perl save\n"; 3211 warn "enter emergency perl save\n";
2320 3212
2335 my $map = $cf::MAP{$path} or next; 3227 my $map = $cf::MAP{$path} or next;
2336 $map->valid or next; 3228 $map->valid or next;
2337 $map->save; 3229 $map->save;
2338 } 3230 }
2339 warn "end emergency map save\n"; 3231 warn "end emergency map save\n";
3232
3233 warn "begin emergency database checkpoint\n";
3234 BDB::db_env_txn_checkpoint $DB_ENV;
3235 warn "end emergency database checkpoint\n";
2340 }; 3236 };
2341 3237
2342 warn "leave emergency perl save\n"; 3238 warn "leave emergency perl save\n";
2343} 3239}
2344 3240
3241sub post_cleanup {
3242 my ($make_core) = @_;
3243
3244 warn Carp::longmess "post_cleanup backtrace"
3245 if $make_core;
3246}
3247
2345sub reload() { 3248sub do_reload_perl() {
2346 # can/must only be called in main 3249 # can/must only be called in main
2347 if ($Coro::current != $Coro::main) { 3250 if ($Coro::current != $Coro::main) {
2348 warn "can only reload from main coroutine"; 3251 warn "can only reload from main coroutine";
2349 return; 3252 return;
2350 } 3253 }
2351 3254
2352 warn "reloading..."; 3255 warn "reloading...";
2353 3256
2354 warn "cancelling server ticker"; 3257 warn "entering sync_job";
2355 $TICK_WATCHER->cancel;
2356 3258
3259 cf::sync_job {
3260 cf::write_runtime; # external watchdog should not bark
2357 cf::emergency_save; 3261 cf::emergency_save;
3262 cf::write_runtime; # external watchdog should not bark
2358 3263
2359 eval { 3264 warn "syncing database to disk";
3265 BDB::db_env_txn_checkpoint $DB_ENV;
3266
2360 # if anything goes wrong in here, we should simply crash as we already saved 3267 # if anything goes wrong in here, we should simply crash as we already saved
2361
2362 warn "syncing database to disk";
2363 cf::db_sync;
2364 3268
2365 warn "cancelling all WF_AUTOCANCEL watchers"; 3269 warn "cancelling all WF_AUTOCANCEL watchers";
2366 for (Event::all_watchers) { 3270 for (Event::all_watchers) {
2367 $_->cancel if $_->data & WF_AUTOCANCEL; 3271 $_->cancel if $_->data & WF_AUTOCANCEL;
2368 } 3272 }
2369 3273
2370 warn "flushing outstanding aio requests"; 3274 warn "flushing outstanding aio requests";
2371 for (;;) { 3275 for (;;) {
3276 BDB::flush;
2372 IO::AIO::flush; 3277 IO::AIO::flush;
2373 Coro::cede; 3278 Coro::cede;
2374 last unless IO::AIO::nreqs; 3279 last unless IO::AIO::nreqs || BDB::nreqs;
2375 warn "iterate..."; 3280 warn "iterate...";
2376 } 3281 }
3282
3283 ++$RELOAD;
2377 3284
2378 warn "cancelling all extension coros"; 3285 warn "cancelling all extension coros";
2379 $_->cancel for values %EXT_CORO; 3286 $_->cancel for values %EXT_CORO;
2380 %EXT_CORO = (); 3287 %EXT_CORO = ();
2381 3288
2382 warn "removing commands"; 3289 warn "removing commands";
2383 %COMMAND = (); 3290 %COMMAND = ();
2384 3291
2385 warn "removing ext commands"; 3292 warn "removing ext/exti commands";
2386 %EXTCMD = (); 3293 %EXTCMD = ();
3294 %EXTICMD = ();
2387 3295
2388 warn "unloading/nuking all extensions"; 3296 warn "unloading/nuking all extensions";
2389 for my $pkg (@EXTS) { 3297 for my $pkg (@EXTS) {
2390 warn "... unloading $pkg"; 3298 warn "... unloading $pkg";
2391 3299
2421 Symbol::delete_package "safe::$_" 3329 Symbol::delete_package "safe::$_"
2422 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3330 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2423 3331
2424 warn "unloading cf.pm \"a bit\""; 3332 warn "unloading cf.pm \"a bit\"";
2425 delete $INC{"cf.pm"}; 3333 delete $INC{"cf.pm"};
3334 delete $INC{"cf/pod.pm"};
2426 3335
2427 # don't, removes xs symbols, too, 3336 # don't, removes xs symbols, too,
2428 # and global variables created in xs 3337 # and global variables created in xs
2429 #Symbol::delete_package __PACKAGE__; 3338 #Symbol::delete_package __PACKAGE__;
2430 3339
2433 warn "reloading cf.pm"; 3342 warn "reloading cf.pm";
2434 require cf; 3343 require cf;
2435 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3344 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2436 3345
2437 warn "loading config and database again"; 3346 warn "loading config and database again";
2438 cf::cfg_load; 3347 cf::reload_config;
2439 cf::db_load;
2440 3348
2441 warn "loading extensions"; 3349 warn "loading extensions";
2442 cf::load_extensions; 3350 cf::load_extensions;
2443 3351
2444 warn "reattaching attachments to objects/players"; 3352 warn "reattaching attachments to objects/players";
2445 _global_reattach; 3353 _global_reattach; # objects, sockets
2446 warn "reattaching attachments to maps"; 3354 warn "reattaching attachments to maps";
2447 reattach $_ for values %MAP; 3355 reattach $_ for values %MAP;
3356 warn "reattaching attachments to players";
3357 reattach $_ for values %PLAYER;
2448 3358
2449 warn "restarting server ticker"; 3359 warn "leaving sync_job";
2450 3360
2451 $TICK_WATCHER->start; 3361 1
2452 }; 3362 } or do {
2453
2454 if ($@) {
2455 warn $@; 3363 warn $@;
2456 warn "error while reloading, exiting."; 3364 warn "error while reloading, exiting.";
2457 exit 1; 3365 exit 1;
2458 } 3366 };
2459 3367
2460 warn "reloaded"; 3368 warn "reloaded";
2461}; 3369};
2462 3370
2463our $RELOAD_WATCHER; # used only during reload 3371our $RELOAD_WATCHER; # used only during reload
2464 3372
3373sub reload_perl() {
3374 # doing reload synchronously and two reloads happen back-to-back,
3375 # coro crashes during coro_state_free->destroy here.
3376
3377 $RELOAD_WATCHER ||= Event->timer (
3378 reentrant => 0,
3379 after => 0,
3380 data => WF_AUTOCANCEL,
3381 cb => sub {
3382 do_reload_perl;
3383 undef $RELOAD_WATCHER;
3384 },
3385 );
3386}
3387
2465register_command "reload" => sub { 3388register_command "reload" => sub {
2466 my ($who, $arg) = @_; 3389 my ($who, $arg) = @_;
2467 3390
2468 if ($who->flag (FLAG_WIZ)) { 3391 if ($who->flag (FLAG_WIZ)) {
2469 $who->message ("reloading server."); 3392 $who->message ("reloading server.");
2470 3393 async { reload_perl };
2471 # doing reload synchronously and two reloads happen back-to-back,
2472 # coro crashes during coro_state_free->destroy here.
2473
2474 $RELOAD_WATCHER ||= Event->timer (
2475 reentrant => 0,
2476 after => 0,
2477 data => WF_AUTOCANCEL,
2478 cb => sub {
2479 reload;
2480 undef $RELOAD_WATCHER;
2481 },
2482 );
2483 } 3394 }
2484}; 3395};
2485 3396
2486unshift @INC, $LIBDIR; 3397unshift @INC, $LIBDIR;
2487 3398
2488my $bug_warning = 0; 3399my $bug_warning = 0;
2489 3400
3401our @WAIT_FOR_TICK;
3402our @WAIT_FOR_TICK_BEGIN;
3403
3404sub wait_for_tick {
3405 return unless $TICK_WATCHER->is_active;
3406 return if $Coro::current == $Coro::main;
3407
3408 my $signal = new Coro::Signal;
3409 push @WAIT_FOR_TICK, $signal;
3410 $signal->wait;
3411}
3412
3413sub wait_for_tick_begin {
3414 return unless $TICK_WATCHER->is_active;
3415 return if $Coro::current == $Coro::main;
3416
3417 my $signal = new Coro::Signal;
3418 push @WAIT_FOR_TICK_BEGIN, $signal;
3419 $signal->wait;
3420}
3421
3422 my $min = 1e6;#d#
3423 my $avg = 10;
2490$TICK_WATCHER = Event->timer ( 3424$TICK_WATCHER = Event->timer (
2491 reentrant => 0, 3425 reentrant => 0,
2492 parked => 1, 3426 parked => 1,
2493 prio => 0, 3427 prio => 0,
2494 at => $NEXT_TICK || $TICK, 3428 at => $NEXT_TICK || $TICK,
2498 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3432 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2499 unless ++$bug_warning > 10; 3433 unless ++$bug_warning > 10;
2500 return; 3434 return;
2501 } 3435 }
2502 3436
2503 $NOW = Event::time; 3437 $NOW = $tick_start = Event::time;
2504 3438
2505 cf::server_tick; # one server iteration 3439 cf::server_tick; # one server iteration
3440
3441 0 && sync_job {#d#
3442 for(1..10) {
3443 my $t = Event::time;
3444 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3445 or die;
3446
3447 $map->width (50);
3448 $map->height (50);
3449 $map->alloc;
3450 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3451 my $t = Event::time - $t;
3452
3453 #next unless $t < 0.0013;#d#
3454 if ($t < $min) {
3455 $min = $t;
3456 }
3457 $avg = $avg * 0.99 + $t * 0.01;
3458 }
3459 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3460 exit 0;
3461 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3462 };
3463
2506 $RUNTIME += $TICK; 3464 $RUNTIME += $TICK;
2507 $NEXT_TICK += $TICK; 3465 $NEXT_TICK += $TICK;
2508 3466
2509 $WAIT_FOR_TICK->broadcast; 3467 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2510 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3468 $NEXT_RUNTIME_WRITE = $NOW + 10;
2511 3469 Coro::async_pool {
2512 Event::sweep; 3470 write_runtime
2513 Coro::cede_notself; 3471 or warn "ERROR: unable to write runtime file: $!";
3472 };
2514 3473 }
3474
2515# my $AFTER = Event::time; 3475# my $AFTER = Event::time;
2516# warn $AFTER - $NOW;#d# 3476# warn $AFTER - $NOW;#d#
2517 3477
3478 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3479 $sig->send;
3480 }
3481 while (my $sig = shift @WAIT_FOR_TICK) {
3482 $sig->send;
3483 }
3484
3485 $NOW = Event::time;
3486
2518 # if we are delayed by four ticks or more, skip them all 3487 # if we are delayed by four ticks or more, skip them all
2519 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3488 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2520 3489
2521 $TICK_WATCHER->at ($NEXT_TICK); 3490 $TICK_WATCHER->at ($NEXT_TICK);
2522 $TICK_WATCHER->start; 3491 $TICK_WATCHER->start;
3492
3493 $LOAD = ($NOW - $tick_start) / $TICK;
3494 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3495
3496 _post_tick;
3497
3498
2523 }, 3499 },
2524); 3500);
2525 3501
3502{
3503 BDB::max_poll_time $TICK * 0.1;
3504 $BDB_POLL_WATCHER = Event->io (
3505 reentrant => 0,
3506 fd => BDB::poll_fileno,
3507 poll => 'r',
3508 prio => 0,
3509 data => WF_AUTOCANCEL,
3510 cb => \&BDB::poll_cb,
3511 );
3512 BDB::min_parallel 8;
3513
3514 BDB::set_sync_prepare {
3515 my $status;
3516 my $current = $Coro::current;
3517 (
3518 sub {
3519 $status = $!;
3520 $current->ready; undef $current;
3521 },
3522 sub {
3523 Coro::schedule while defined $current;
3524 $! = $status;
3525 },
3526 )
3527 };
3528
3529 unless ($DB_ENV) {
3530 $DB_ENV = BDB::db_env_create;
3531
3532 cf::sync_job {
3533 eval {
3534 BDB::db_env_open
3535 $DB_ENV,
3536 $BDBDIR,
3537 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3538 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3539 0666;
3540
3541 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3542
3543 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3544 $DB_ENV->set_lk_detect;
3545 };
3546
3547 cf::cleanup "db_env_open(db): $@" if $@;
3548 };
3549 }
3550}
3551
3552{
3553 IO::AIO::min_parallel 8;
3554
3555 undef $Coro::AIO::WATCHER;
2526IO::AIO::max_poll_time $TICK * 0.1; 3556 IO::AIO::max_poll_time $TICK * 0.1;
2527
2528undef $Coro::AIO::WATCHER;
2529$AIO_POLL_WATCHER = Event->io ( 3557 $AIO_POLL_WATCHER = Event->io (
2530 reentrant => 0, 3558 reentrant => 0,
3559 data => WF_AUTOCANCEL,
2531 fd => IO::AIO::poll_fileno, 3560 fd => IO::AIO::poll_fileno,
2532 poll => 'r', 3561 poll => 'r',
2533 prio => 6, 3562 prio => 6,
2534 data => WF_AUTOCANCEL,
2535 cb => \&IO::AIO::poll_cb, 3563 cb => \&IO::AIO::poll_cb,
2536); 3564 );
3565}
2537 3566
2538$WRITE_RUNTIME_WATCHER = Event->timer ( 3567my $_log_backtrace;
2539 reentrant => 0, 3568
2540 data => WF_AUTOCANCEL, 3569sub _log_backtrace {
2541 after => 1, 3570 my ($msg, @addr) = @_;
2542 interval => 10, 3571
2543 prio => 6, # keep it lowest so it acts like a watchdog 3572 $msg =~ s/\n//;
2544 cb => Coro::unblock_sub { 3573
2545 write_runtime 3574 # limit the # of concurrent backtraces
2546 or warn "ERROR: unable to write runtime file: $!"; 3575 if ($_log_backtrace < 2) {
3576 ++$_log_backtrace;
3577 async {
3578 my @bt = fork_call {
3579 @addr = map { sprintf "%x", $_ } @addr;
3580 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3581 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3582 or die "addr2line: $!";
3583
3584 my @funcs;
3585 my @res = <$fh>;
3586 chomp for @res;
3587 while (@res) {
3588 my ($func, $line) = splice @res, 0, 2, ();
3589 push @funcs, "[$func] $line";
3590 }
3591
3592 @funcs
3593 };
3594
3595 LOG llevInfo, "[ABT] $msg\n";
3596 LOG llevInfo, "[ABT] $_\n" for @bt;
3597 --$_log_backtrace;
3598 };
3599 } else {
3600 LOG llevInfo, "[ABT] $msg\n";
3601 LOG llevInfo, "[ABT] [suppressed]\n";
2547 }, 3602 }
2548); 3603}
3604
3605# load additional modules
3606use cf::pod;
2549 3607
2550END { cf::emergency_save } 3608END { cf::emergency_save }
2551 3609
25521 36101
2553 3611

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