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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.373 by root, Sat Sep 15 15:58:06 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 ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
31use YAML::Syck ();
24use IO::AIO 2.32 (); 32use IO::AIO 2.32 ();
25use YAML::Syck ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 42
31use 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
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35# 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?
36$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
37 47
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
40our %COMMAND = (); 52our %COMMAND = ();
41our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
42 54
43our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
47 60
61our $RELOAD; # number of reloads so far
48our @EVENT; 62our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 63
51our $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(!)
52our $TICK_WATCHER; 77our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 80our $NEXT_TICK;
56our $NOW; 81our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
58 83
59our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 88our $DB_ENV;
61 89
62our %CFG; 90our %CFG;
63 91
64our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 93our $RUNTIME;
66 94
67our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 98
76# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
79binmode STDOUT; 106binmode STDOUT;
80binmode STDERR; 107binmode STDERR;
81 108
82# read virtual server time, if available 109# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
87} 114}
88 115
89mkdir cf::localdir; 116mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 118
96our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
97 120
98sub cf::map::normalise; 121sub cf::map::normalise;
99 122
110=item $cf::RUNTIME 133=item $cf::RUNTIME
111 134
112The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 136every server tick.
114 137
115=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 141
117The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
119 146
120=item $cf::NOW 147=item $cf::NOW
121 148
122The time of the last (current) server tick. 149The time of the last (current) server tick.
123 150
124=item $cf::TICK 151=item $cf::TICK
125 152
126The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
127 164
128=item %cf::CFG 165=item %cf::CFG
129 166
130Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 168from wherever your confdir points to.
132 169
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
134 171
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 173returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
139 181
140=back 182=back
141 183
142=cut 184=cut
143 185
144BEGIN { 186BEGIN {
145 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 188 my $msg = join "", @_;
147 utf8::encode $msg;
148 189
149 $msg .= "\n" 190 $msg .= "\n"
150 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 194
152 LOG llevError, $msg; 195 LOG llevError, $msg;
153 }; 196 };
154} 197}
155 198
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 206
163# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 208# within the Safe compartment.
165for my $pkg (qw( 209for my $pkg (qw(
166 cf::global cf::attachable 210 cf::global cf::attachable
174} 218}
175 219
176$Event::DIED = sub { 220$Event::DIED = sub {
177 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
178}; 222};
223
224#############################################################################
179 225
180=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
181 227
182=over 4 228=over 4
183 229
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 249 $d
204 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
205} 251}
206 252
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
210 254
211Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
212 256
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
221 258
222Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
223 260
224=cut 261=cut
225 262
226sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
228 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
229} 266sub from_json ($) { $json_coder->decode ($_[0]) }
230 267
231=item cf::lock_wait $string 268=item cf::lock_wait $string
232 269
233Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
234 271
237Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
240returned. 277returned.
241 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
242Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
244 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
245=cut 289=cut
246 290
247our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
248 293
249sub lock_wait($) { 294sub lock_wait($) {
250 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
251 301
252 # wait for lock, if any 302 # wait for lock, if any
253 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 305 Coro::schedule;
261 311
262 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
263 lock_wait $key; 313 lock_wait $key;
264 314
265 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
266 317
267 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
270 } 322 }
271} 323}
272 324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
329}
330
273sub freeze_mainloop { 331sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
275 333
276 my $guard = Coro::guard { 334 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 335 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 336 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
282 $guard 338 $guard
339}
340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 my $signal = new Coro::Signal;
360
361 while () {
362 next_job:
363 my $avail = cf::till_tick;
364 if ($avail > 0.01) {
365 for (0 .. $#SLOT_QUEUE) {
366 if ($SLOT_QUEUE[$_][0] < $avail) {
367 my $job = splice @SLOT_QUEUE, $_, 1, ();
368 $job->[2]->send;
369 Coro::cede;
370 goto next_job;
371 }
372 }
373 }
374
375 if (@SLOT_QUEUE) {
376 # we do not use wait_For_tick() as it returns immediately when tick is inactive
377 push @cf::WAIT_FOR_TICK, $signal;
378 $signal->wait;
379 } else {
380 Coro::schedule;
381 }
382 }
383};
384
385sub get_slot($;$$) {
386 my ($time, $pri, $name) = @_;
387
388 $time = $TICK * .6 if $time > $TICK * .6;
389 my $sig = new Coro::Signal;
390
391 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393 $SLOT_QUEUE->ready;
394 $sig->wait;
283} 395}
284 396
285=item cf::async { BLOCK } 397=item cf::async { BLOCK }
286 398
287Currently the same as Coro::async_pool, meaning you cannot use 399Currently the same as Coro::async_pool, meaning you cannot use
292 404
293BEGIN { *async = \&Coro::async_pool } 405BEGIN { *async = \&Coro::async_pool }
294 406
295=item cf::sync_job { BLOCK } 407=item cf::sync_job { BLOCK }
296 408
297The design of crossfire+ requires that the main coro ($Coro::main) is 409The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298always able to handle events or runnable, as crossfire+ is only partly 410is always able to handle events or runnable, as Crossfire TRT is only
299reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 411partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
412acceptable.
300 413
301If it must be done, put the blocking parts into C<sync_job>. This will run 414If it must be done, put the blocking parts into C<sync_job>. This will run
302the given BLOCK in another coroutine while waiting for the result. The 415the given BLOCK in another coroutine while waiting for the result. The
303server will be frozen during this time, so the block should either finish 416server will be frozen during this time, so the block should either finish
304fast or be very important. 417fast or be very important.
307 420
308sub sync_job(&) { 421sub sync_job(&) {
309 my ($job) = @_; 422 my ($job) = @_;
310 423
311 if ($Coro::current == $Coro::main) { 424 if ($Coro::current == $Coro::main) {
425 my $time = Event::time;
426
312 # this is the main coro, too bad, we have to block 427 # this is the main coro, too bad, we have to block
313 # till the operation succeeds, freezing the server :/ 428 # till the operation succeeds, freezing the server :/
314 429
315 # TODO: use suspend/resume instead 430 # TODO: use suspend/resume instead
316 # (but this is cancel-safe) 431 # (but this is cancel-safe)
327 442
328 while ($busy) { 443 while ($busy) {
329 Coro::cede or Event::one_event; 444 Coro::cede or Event::one_event;
330 } 445 }
331 446
447 $time = Event::time - $time;
448
449 LOG llevError | logBacktrace, Carp::longmess "long sync job"
450 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452 $tick_start += $time; # do not account sync jobs to server load
453
332 wantarray ? @res : $res[0] 454 wantarray ? @res : $res[0]
333 } else { 455 } else {
334 # we are in another coroutine, how wonderful, everything just works 456 # we are in another coroutine, how wonderful, everything just works
335 457
336 $job->() 458 $job->()
355 $EXT_CORO{$coro+0} = $coro; 477 $EXT_CORO{$coro+0} = $coro;
356 478
357 $coro 479 $coro
358} 480}
359 481
360sub write_runtime { 482=item fork_call { }, $args
361 my $runtime = cf::localdir . "/runtime";
362 483
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 484Executes the given code block with the given arguments in a seperate
364 or return; 485process, returning the results. Everything must be serialisable with
486Coro::Storable. May, of course, block. Note that the executed sub may
487never block itself or use any form of Event handling.
365 488
366 my $value = $cf::RUNTIME + 90 + 10; 489=cut
367 # 10 is the runtime save interval, for a monotonic clock
368 # 60 allows for the watchdog to kill the server.
369 490
370 (aio_write $fh, 0, (length $value), $value, 0) <= 0 491sub fork_call(&@) {
371 and return; 492 my ($cb, @args) = @_;
372 493
373 # always fsync - this file is important 494 # we seemingly have to make a local copy of the whole thing,
374 aio_fsync $fh 495 # otherwise perl prematurely frees the stuff :/
375 and return; 496 # TODO: investigate and fix (likely this will be rather laborious)
376 497
377 close $fh 498 my @res = Coro::Util::fork_eval {
378 or return; 499 reset_signals;
500 &$cb
501 }, @args;
379 502
380 aio_rename "$runtime~", $runtime 503 wantarray ? @res : $res[-1]
381 and return; 504}
382 505
506=item $value = cf::db_get $family => $key
507
508Returns a single value from the environment database.
509
510=item cf::db_put $family => $key => $value
511
512Stores the given C<$value> in the family. It can currently store binary
513data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
514
515=item $db = cf::db_table "name"
516
517Create and/or open a new database table. The string must not be "db" and must be unique
518within each server.
519
520=cut
521
522sub db_table($) {
523 my ($name) = @_;
524 my $db = BDB::db_create $DB_ENV;
525
526 eval {
527 $db->set_flags (BDB::CHKSUM);
528
529 utf8::encode $name;
530 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
531 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
532 cf::cleanup "db_open(db): $!" if $!;
533 };
534 cf::cleanup "db_open(db): $@" if $@;
535
536 $db
537}
538
539our $DB;
540
541sub db_init {
542 cf::sync_job {
543 $DB ||= db_table "db";
544 };
545}
546
547sub db_get($$) {
548 my $key = "$_[0]/$_[1]";
549
550 cf::sync_job {
551 BDB::db_get $DB, undef, $key, my $data;
552
553 $! ? ()
554 : $data
383 1 555 }
556}
557
558sub db_put($$$) {
559 BDB::dbreq_pri 4;
560 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
561}
562
563=item cf::cache $id => [$paths...], $processversion => $process
564
565Generic caching function that returns the value of the resource $id,
566caching and regenerating as required.
567
568This function can block.
569
570=cut
571
572sub cache {
573 my ($id, $src, $processversion, $process) = @_;
574
575 my $meta =
576 join "\x00",
577 $processversion,
578 map {
579 aio_stat $_
580 and Carp::croak "$_: $!";
581
582 ($_, (stat _)[7,9])
583 } @$src;
584
585 my $dbmeta = db_get cache => "$id/meta";
586 if ($dbmeta ne $meta) {
587 # changed, we may need to process
588
589 my @data;
590 my $md5;
591
592 for (0 .. $#$src) {
593 0 <= aio_load $src->[$_], $data[$_]
594 or Carp::croak "$src->[$_]: $!";
595 }
596
597 # if processing is expensive, check
598 # checksum first
599 if (1) {
600 $md5 =
601 join "\x00",
602 $processversion,
603 map {
604 cf::cede_to_tick;
605 ($src->[$_], Digest::MD5::md5_hex $data[$_])
606 } 0.. $#$src;
607
608
609 my $dbmd5 = db_get cache => "$id/md5";
610 if ($dbmd5 eq $md5) {
611 db_put cache => "$id/meta", $meta;
612
613 return db_get cache => "$id/data";
614 }
615 }
616
617 my $t1 = Time::HiRes::time;
618 my $data = $process->(\@data);
619 my $t2 = Time::HiRes::time;
620
621 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
622
623 db_put cache => "$id/data", $data;
624 db_put cache => "$id/md5" , $md5;
625 db_put cache => "$id/meta", $meta;
626
627 return $data;
628 }
629
630 db_get cache => "$id/data"
631}
632
633=item cf::datalog type => key => value, ...
634
635Log a datalog packet of the given type with the given key-value pairs.
636
637=cut
638
639sub datalog($@) {
640 my ($type, %kv) = @_;
641 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384} 642}
385 643
386=back 644=back
387 645
388=cut 646=cut
395attach callbacks/event handlers (a collection of which is called an "attachment") 653attach callbacks/event handlers (a collection of which is called an "attachment")
396to it. All such attachable objects support the following methods. 654to it. All such attachable objects support the following methods.
397 655
398In the following description, CLASS can be any of C<global>, C<object> 656In the following description, CLASS can be any of C<global>, C<object>
399C<player>, C<client> or C<map> (i.e. the attachable objects in 657C<player>, C<client> or C<map> (i.e. the attachable objects in
400crossfire+). 658Crossfire TRT).
401 659
402=over 4 660=over 4
403 661
404=item $attachable->attach ($attachment, key => $value...) 662=item $attachable->attach ($attachment, key => $value...)
405 663
568 $registry = $CB_TYPE[$object_type] ||= []; 826 $registry = $CB_TYPE[$object_type] ||= [];
569 827
570 } elsif ($type eq "subtype") { 828 } elsif ($type eq "subtype") {
571 defined $object_type or Carp::croak "subtype specified without type"; 829 defined $object_type or Carp::croak "subtype specified without type";
572 my $object_subtype = shift @arg; 830 my $object_subtype = shift @arg;
573 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 831 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574 832
575 } elsif ($type eq "package") { 833 } elsif ($type eq "package") {
576 my $pkg = shift @arg; 834 my $pkg = shift @arg;
577 835
578 while (my ($name, $id) = each %cb_id) { 836 while (my ($name, $id) = each %cb_id) {
607 _attach $registry, $klass, @attach; 865 _attach $registry, $klass, @attach;
608 } 866 }
609 867
610 $obj->{$name} = \%arg; 868 $obj->{$name} = \%arg;
611 } else { 869 } else {
612 warn "object uses attachment '$name' that is not available, postponing.\n"; 870 warn "object uses attachment '$name' which is not available, postponing.\n";
613 } 871 }
614 872
615 $obj->{_attachment}{$name} = undef; 873 $obj->{_attachment}{$name} = undef;
616} 874}
617 875
619 if (ref $_[0]) { 877 if (ref $_[0]) {
620 _object_attach @_; 878 _object_attach @_;
621 } else { 879 } else {
622 _attach shift->_attach_registry, @_; 880 _attach shift->_attach_registry, @_;
623 } 881 }
882 _recalc_want;
624}; 883};
625 884
626# all those should be optimised 885# all those should be optimised
627sub cf::attachable::detach { 886sub cf::attachable::detach {
628 my ($obj, $name) = @_; 887 my ($obj, $name) = @_;
631 delete $obj->{_attachment}{$name}; 890 delete $obj->{_attachment}{$name};
632 reattach ($obj); 891 reattach ($obj);
633 } else { 892 } else {
634 Carp::croak "cannot, currently, detach class attachments"; 893 Carp::croak "cannot, currently, detach class attachments";
635 } 894 }
895 _recalc_want;
636}; 896};
637 897
638sub cf::attachable::attached { 898sub cf::attachable::attached {
639 my ($obj, $name) = @_; 899 my ($obj, $name) = @_;
640 900
655 "; 915 ";
656 die if $@; 916 die if $@;
657} 917}
658 918
659our $override; 919our $override;
660our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 920our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661 921
662sub override { 922sub override {
663 $override = 1; 923 $override = 1;
664 @invoke_results = (); 924 @INVOKE_RESULTS = (@_);
665} 925}
666 926
667sub do_invoke { 927sub do_invoke {
668 my $event = shift; 928 my $event = shift;
669 my $callbacks = shift; 929 my $callbacks = shift;
670 930
671 @invoke_results = (); 931 @INVOKE_RESULTS = ();
672 932
673 local $override; 933 local $override;
674 934
675 for (@$callbacks) { 935 for (@$callbacks) {
676 eval { &{$_->[1]} }; 936 eval { &{$_->[1]} };
693 953
694Generate an object-specific event with the given arguments. 954Generate an object-specific event with the given arguments.
695 955
696This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 956This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697removed in future versions), and there is no public API to access override 957removed in future versions), and there is no public API to access override
698results (if you must, access C<@cf::invoke_results> directly). 958results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699 959
700=back 960=back
701 961
702=cut 962=cut
703 963
704############################################################################# 964#############################################################################
705# object support 965# object support
966#
967
968sub _can_merge {
969 my ($ob1, $ob2) = @_;
970
971 local $Storable::canonical = 1;
972 my $fob1 = Storable::freeze $ob1;
973 my $fob2 = Storable::freeze $ob2;
974
975 $fob1 eq $fob2
976}
706 977
707sub reattach { 978sub reattach {
708 # basically do the same as instantiate, without calling instantiate 979 # basically do the same as instantiate, without calling instantiate
709 my ($obj) = @_; 980 my ($obj) = @_;
710 981
757sub object_freezer_save { 1028sub object_freezer_save {
758 my ($filename, $rdata, $objs) = @_; 1029 my ($filename, $rdata, $objs) = @_;
759 1030
760 sync_job { 1031 sync_job {
761 if (length $$rdata) { 1032 if (length $$rdata) {
1033 utf8::decode (my $decname = $filename);
762 warn sprintf "saving %s (%d,%d)\n", 1034 warn sprintf "saving %s (%d,%d)\n",
763 $filename, length $$rdata, scalar @$objs; 1035 $decname, length $$rdata, scalar @$objs;
764 1036
765 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1037 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766 chmod SAVE_MODE, $fh; 1038 chmod SAVE_MODE, $fh;
767 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1039 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768 aio_fsync $fh if $cf::USE_FSYNC; 1040 aio_fsync $fh if $cf::USE_FSYNC;
787 } 1059 }
788 } else { 1060 } else {
789 aio_unlink $filename; 1061 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 1062 aio_unlink "$filename.pst";
791 } 1063 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 1064 };
799} 1065}
800 1066
801sub object_freezer_as_string { 1067sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 1068 my ($rdata, $objs) = @_;
803 1069
808 1074
809sub object_thawer_load { 1075sub object_thawer_load {
810 my ($filename) = @_; 1076 my ($filename) = @_;
811 1077
812 my ($data, $av); 1078 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 1079
817 (aio_load $filename, $data) >= 0 1080 (aio_load $filename, $data) >= 0
818 or return; 1081 or return;
819 1082
820 unless (aio_stat "$filename.pst") { 1083 unless (aio_stat "$filename.pst") {
821 (aio_load "$filename.pst", $av) >= 0 1084 (aio_load "$filename.pst", $av) >= 0
822 or return; 1085 or return;
1086
823 $av = eval { (Storable::thaw $av)->{objs} }; 1087 $av = eval { (Storable::thaw $av)->{objs} };
824 } 1088 }
825 1089
1090 utf8::decode (my $decname = $filename);
826 warn sprintf "loading %s (%d)\n", 1091 warn sprintf "loading %s (%d,%d)\n",
827 $filename, length $data, scalar @{$av || []};#d# 1092 $decname, length $data, scalar @{$av || []};
1093
828 return ($data, $av); 1094 ($data, $av)
829} 1095}
1096
1097=head2 COMMAND CALLBACKS
1098
1099=over 4
1100
1101=cut
830 1102
831############################################################################# 1103#############################################################################
832# command handling &c 1104# command handling &c
833 1105
834=item cf::register_command $name => \&callback($ob,$args); 1106=item cf::register_command $name => \&callback($ob,$args);
847 push @{ $COMMAND{$name} }, [$caller, $cb]; 1119 push @{ $COMMAND{$name} }, [$caller, $cb];
848} 1120}
849 1121
850=item cf::register_extcmd $name => \&callback($pl,$packet); 1122=item cf::register_extcmd $name => \&callback($pl,$packet);
851 1123
852Register a callbackf ro execution when the client sends an extcmd packet. 1124Register a callback for execution when the client sends an (synchronous)
1125extcmd packet. Ext commands will be processed in the order they are
1126received by the server, like other user commands. The first argument is
1127the logged-in player. Ext commands can only be processed after a player
1128has logged in successfully.
853 1129
854If the callback returns something, it is sent back as if reply was being 1130If the callback returns something, it is sent back as if reply was being
855called. 1131called.
856 1132
1133=item cf::register_exticmd $name => \&callback($ns,$packet);
1134
1135Register a callback for execution when the client sends an (asynchronous)
1136exticmd packet. Exti commands are processed by the server as soon as they
1137are received, i.e. out of order w.r.t. other commands. The first argument
1138is a client socket. Exti commands can be received anytime, even before
1139log-in.
1140
1141If the callback returns something, it is sent back as if reply was being
1142called.
1143
857=cut 1144=cut
858 1145
859sub register_extcmd { 1146sub register_extcmd {
860 my ($name, $cb) = @_; 1147 my ($name, $cb) = @_;
861 1148
862 $EXTCMD{$name} = $cb; 1149 $EXTCMD{$name} = $cb;
1150}
1151
1152sub register_exticmd {
1153 my ($name, $cb) = @_;
1154
1155 $EXTICMD{$name} = $cb;
863} 1156}
864 1157
865cf::player->attach ( 1158cf::player->attach (
866 on_command => sub { 1159 on_command => sub {
867 my ($pl, $name, $params) = @_; 1160 my ($pl, $name, $params) = @_;
876 cf::override; 1169 cf::override;
877 }, 1170 },
878 on_extcmd => sub { 1171 on_extcmd => sub {
879 my ($pl, $buf) = @_; 1172 my ($pl, $buf) = @_;
880 1173
881 my $msg = eval { from_json $buf }; 1174 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882 1175
883 if (ref $msg) { 1176 if (ref $msg) {
1177 my ($type, $reply, @payload) =
1178 "ARRAY" eq ref $msg
1179 ? @$msg
1180 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1181
1182 my @reply;
1183
884 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1184 if (my $cb = $EXTCMD{$type}) {
885 if (my %reply = $cb->($pl, $msg)) { 1185 @reply = $cb->($pl, @payload);
886 $pl->ext_reply ($msg->{msgid}, %reply);
887 }
888 } 1186 }
1187
1188 $pl->ext_reply ($reply, @reply)
1189 if $reply;
1190
889 } else { 1191 } else {
890 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1192 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891 } 1193 }
892 1194
893 cf::override; 1195 cf::override;
894 }, 1196 },
895); 1197);
896 1198
897sub load_extension {
898 my ($path) = @_;
899
900 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
901 my $base = $1;
902 my $pkg = $1;
903 $pkg =~ s/[^[:word:]]/_/g;
904 $pkg = "ext::$pkg";
905
906 warn "... loading '$path' into '$pkg'\n";
907
908 open my $fh, "<:utf8", $path
909 or die "$path: $!";
910
911 my $source =
912 "package $pkg; use strict; use utf8;\n"
913 . "#line 1 \"$path\"\n{\n"
914 . (do { local $/; <$fh> })
915 . "\n};\n1";
916
917 unless (eval $source) {
918 my $msg = $@ ? "$path: $@\n"
919 : "extension disabled.\n";
920 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921 warn $@;
922 warn "mandatory extension failed to load, exiting.\n";
923 exit 1;
924 }
925 die $@;
926 }
927
928 push @EXTS, $pkg;
929}
930
931sub load_extensions { 1199sub load_extensions {
1200 cf::sync_job {
1201 my %todo;
1202
932 for my $ext (<$LIBDIR/*.ext>) { 1203 for my $path (<$LIBDIR/*.ext>) {
933 next unless -r $ext; 1204 next unless -r $path;
934 eval { 1205
935 load_extension $ext; 1206 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1207 my $base = $1;
1208 my $pkg = $1;
1209 $pkg =~ s/[^[:word:]]/_/g;
1210 $pkg = "ext::$pkg";
1211
1212 open my $fh, "<:utf8", $path
1213 or die "$path: $!";
1214
1215 my $source = do { local $/; <$fh> };
1216
1217 my %ext = (
1218 path => $path,
1219 base => $base,
1220 pkg => $pkg,
1221 );
1222
1223 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1224 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1225
1226 $ext{source} =
1227 "package $pkg; use strict; use utf8;\n"
1228 . "#line 1 \"$path\"\n{\n"
1229 . $source
1230 . "\n};\n1";
1231
1232 $todo{$base} = \%ext;
1233 }
1234
1235 my %done;
1236 while (%todo) {
1237 my $progress;
1238
1239 while (my ($k, $v) = each %todo) {
1240 for (split /,\s*/, $v->{meta}{depends}) {
1241 goto skip
1242 unless exists $done{$_};
1243 }
1244
1245 warn "... loading '$k' into '$v->{pkg}'\n";
1246
1247 unless (eval $v->{source}) {
1248 my $msg = $@ ? "$v->{path}: $@\n"
1249 : "$v->{base}: extension inactive.\n";
1250
1251 if (exists $v->{meta}{mandatory}) {
1252 warn $msg;
1253 warn "mandatory extension failed to load, exiting.\n";
1254 exit 1;
1255 }
1256
1257 warn $msg;
1258 }
1259
1260 $done{$k} = delete $todo{$k};
1261 push @EXTS, $v->{pkg};
1262 $progress = 1;
936 1 1263 }
937 } or warn "$ext not loaded: $@"; 1264
1265 skip:
1266 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1267 unless $progress;
1268 }
938 } 1269 };
939} 1270}
940 1271
941############################################################################# 1272#############################################################################
942 1273
1274=back
1275
943=head2 CORE EXTENSIONS 1276=head2 CORE EXTENSIONS
944 1277
945Functions and methods that extend core crossfire objects. 1278Functions and methods that extend core crossfire objects.
946 1279
947=cut 1280=cut
952 1285
953=head3 cf::player 1286=head3 cf::player
954 1287
955=over 4 1288=over 4
956 1289
1290=item cf::player::num_playing
1291
1292Returns the official number of playing players, as per the Crossfire metaserver rules.
1293
1294=cut
1295
1296sub num_playing {
1297 scalar grep
1298 $_->ob->map
1299 && !$_->hidden
1300 && !$_->ob->flag (cf::FLAG_WIZ),
1301 cf::player::list
1302}
1303
957=item cf::player::find $login 1304=item cf::player::find $login
958 1305
959Returns the given player object, loading it if necessary (might block). 1306Returns the given player object, loading it if necessary (might block).
960 1307
961=cut 1308=cut
962 1309
963sub playerdir($) { 1310sub playerdir($) {
964 cf::localdir 1311 "$PLAYERDIR/"
965 . "/"
966 . cf::playerdir
967 . "/"
968 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1312 . (ref $_[0] ? $_[0]->ob->name : $_[0])
969} 1313}
970 1314
971sub path($) { 1315sub path($) {
972 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1316 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973 1317
974 (playerdir $login) . "/$login.pl" 1318 (playerdir $login) . "/playerdata"
975} 1319}
976 1320
977sub find_active($) { 1321sub find_active($) {
978 $cf::PLAYER{$_[0]} 1322 $cf::PLAYER{$_[0]}
979 and $cf::PLAYER{$_[0]}->active 1323 and $cf::PLAYER{$_[0]}->active
992 my $login = $_[0]; 1336 my $login = $_[0];
993 1337
994 my $guard = cf::lock_acquire "user_find:$login"; 1338 my $guard = cf::lock_acquire "user_find:$login";
995 1339
996 $cf::PLAYER{$_[0]} || do { 1340 $cf::PLAYER{$_[0]} || do {
997 my $pl = load_pl path $login 1341 # rename old playerfiles to new ones
1342 #TODO: remove when no longer required
1343 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1344 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1345 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1346 aio_unlink +(playerdir $login) . "/$login.pl";
1347
1348 my $f = new_from_file cf::object::thawer path $login
998 or return; 1349 or return;
1350
1351 my $pl = cf::player::load_pl $f
1352 or return;
1353 local $cf::PLAYER_LOADING{$login} = $pl;
1354 $f->resolve_delayed_derefs;
999 $cf::PLAYER{$login} = $pl 1355 $cf::PLAYER{$login} = $pl
1000 } 1356 }
1001 } 1357 }
1002} 1358}
1003 1359
1013 1369
1014 aio_mkdir playerdir $pl, 0770; 1370 aio_mkdir playerdir $pl, 0770;
1015 $pl->{last_save} = $cf::RUNTIME; 1371 $pl->{last_save} = $cf::RUNTIME;
1016 1372
1017 $pl->save_pl ($path); 1373 $pl->save_pl ($path);
1018 Coro::cede; 1374 cf::cede_to_tick;
1019} 1375}
1020 1376
1021sub new($) { 1377sub new($) {
1022 my ($login) = @_; 1378 my ($login) = @_;
1023 1379
1029 $cf::PLAYER{$login} = $self; 1385 $cf::PLAYER{$login} = $self;
1030 1386
1031 $self 1387 $self
1032} 1388}
1033 1389
1390=item $player->send_msg ($channel, $msg, $color, [extra...])
1391
1392=cut
1393
1394sub send_msg {
1395 my $ns = shift->ns
1396 or return;
1397 $ns->send_msg (@_);
1398}
1399
1034=item $pl->quit_character 1400=item $pl->quit_character
1035 1401
1036Nukes the player without looking back. If logged in, the connection will 1402Nukes the player without looking back. If logged in, the connection will
1037be destroyed. May block for a long time. 1403be destroyed. May block for a long time.
1038 1404
1039=cut 1405=cut
1040 1406
1041sub quit_character { 1407sub quit_character {
1042 my ($pl) = @_; 1408 my ($pl) = @_;
1409
1410 my $name = $pl->ob->name;
1043 1411
1044 $pl->{deny_save} = 1; 1412 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1413 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1414
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1415 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1052 my $path = playerdir $pl; 1420 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1421 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1422 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1423 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1424 $pl->destroy;
1425
1426 my $prefix = qr<^~\Q$name\E/>;
1427
1428 # nuke player maps
1429 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1430
1057 IO::AIO::aio_rmtree $temp; 1431 IO::AIO::aio_rmtree $temp;
1432}
1433
1434=item $pl->kick
1435
1436Kicks a player out of the game. This destroys the connection.
1437
1438=cut
1439
1440sub kick {
1441 my ($pl, $kicker) = @_;
1442
1443 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1444 $pl->killer ("kicked");
1445 $pl->ns->destroy;
1058} 1446}
1059 1447
1060=item cf::player::list_logins 1448=item cf::player::list_logins
1061 1449
1062Returns am arrayref of all valid playernames in the system, can take a 1450Returns am arrayref of all valid playernames in the system, can take a
1063while and may block, so not sync_job-capable, ever. 1451while and may block, so not sync_job-capable, ever.
1064 1452
1065=cut 1453=cut
1066 1454
1067sub list_logins { 1455sub list_logins {
1068 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1456 my $dirs = aio_readdir $PLAYERDIR
1069 or return []; 1457 or return [];
1070 1458
1071 my @logins; 1459 my @logins;
1072 1460
1073 for my $login (@$dirs) { 1461 for my $login (@$dirs) {
1462 my $path = path $login;
1463
1464 # a .pst is a dead give-away for a valid player
1465 unless (-e "$path.pst") {
1074 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1466 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075 aio_read $fh, 0, 512, my $buf, 0 or next; 1467 aio_read $fh, 0, 512, my $buf, 0 or next;
1076 $buf !~ /^password -------------$/m or next; # official not-valid tag 1468 $buf !~ /^password -------------$/m or next; # official not-valid tag
1469 }
1077 1470
1078 utf8::decode $login; 1471 utf8::decode $login;
1079 push @logins, $login; 1472 push @logins, $login;
1080 } 1473 }
1081 1474
1108 } 1501 }
1109 1502
1110 \@paths 1503 \@paths
1111} 1504}
1112 1505
1506=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1507
1508Expand crossfire pod fragments into protocol xml.
1509
1510=cut
1511
1512sub expand_cfpod {
1513 ((my $self), (local $_)) = @_;
1514
1515 # escape & and <
1516 s/&/&amp;/g;
1517 s/(?<![BIUGHT])</&lt;/g;
1518
1519 # this is buggy, it needs to properly take care of nested <'s
1520
1521 1 while
1522 # replace B<>, I<>, U<> etc.
1523 s/B<([^\>]*)>/<b>$1<\/b>/
1524 || s/I<([^\>]*)>/<i>$1<\/i>/
1525 || s/U<([^\>]*)>/<u>$1<\/u>/
1526 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1527 # replace G<male|female> tags
1528 || s{G<([^>|]*)\|([^>]*)>}{
1529 $self->gender ? $2 : $1
1530 }ge
1531 # replace H<hint text>
1532 || s{H<([^\>]*)>}
1533 {
1534 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1535 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1536 "")
1537 [$self->{hintmode}]
1538 }ge;
1539
1540 # create single paragraphs (very hackish)
1541 s/(?<=\S)\n(?=\w)/ /g;
1542
1543 # compress some whitespace
1544 s/\s+\n/\n/g; # ws line-ends
1545 s/\n\n+/\n/g; # double lines
1546 s/^\n+//; # beginning lines
1547 s/\n+$//; # ending lines
1548
1549 $_
1550}
1551
1552sub hintmode {
1553 $_[0]{hintmode} = $_[1] if @_ > 1;
1554 $_[0]{hintmode}
1555}
1556
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1557=item $player->ext_reply ($msgid, @msg)
1114 1558
1115Sends an ext reply to the player. 1559Sends an ext reply to the player.
1116 1560
1117=cut 1561=cut
1118 1562
1119sub ext_reply($$$%) { 1563sub ext_reply($$@) {
1120 my ($self, $id, %msg) = @_; 1564 my ($self, $id, @msg) = @_;
1121 1565
1122 $msg{msgid} = $id; 1566 $self->ns->ext_reply ($id, @msg)
1123
1124 $self->send ("ext " . cf::to_json \%msg);
1125} 1567}
1126 1568
1127package cf; 1569=item $player->ext_msg ($type, @msg)
1570
1571Sends an ext event to the client.
1572
1573=cut
1574
1575sub ext_msg($$@) {
1576 my ($self, $type, @msg) = @_;
1577
1578 $self->ns->ext_msg ($type, @msg);
1579}
1580
1581=head3 cf::region
1582
1583=over 4
1584
1585=cut
1586
1587package cf::region;
1588
1589=item cf::region::find_by_path $path
1590
1591Tries to decuce the likely region for a map knowing only its path.
1592
1593=cut
1594
1595sub find_by_path($) {
1596 my ($path) = @_;
1597
1598 my ($match, $specificity);
1599
1600 for my $region (list) {
1601 if ($region->{match} && $path =~ $region->{match}) {
1602 ($match, $specificity) = ($region, $region->specificity)
1603 if $region->specificity > $specificity;
1604 }
1605 }
1606
1607 $match
1608}
1128 1609
1129=back 1610=back
1130
1131 1611
1132=head3 cf::map 1612=head3 cf::map
1133 1613
1134=over 4 1614=over 4
1135 1615
1190 my ($self, $merge) = @_; 1670 my ($self, $merge) = @_;
1191 1671
1192 # we have to keep some variables in memory intact 1672 # we have to keep some variables in memory intact
1193 local $self->{path}; 1673 local $self->{path};
1194 local $self->{load_path}; 1674 local $self->{load_path};
1195 local $self->{deny_save};
1196 local $self->{deny_reset};
1197 1675
1198 $self->SUPER::thawer_merge ($merge); 1676 $self->SUPER::thawer_merge ($merge);
1199} 1677}
1200 1678
1201sub normalise { 1679sub normalise {
1248 $self->init; # pass $1 etc. 1726 $self->init; # pass $1 etc.
1249 return $self; 1727 return $self;
1250 } 1728 }
1251 } 1729 }
1252 1730
1253 Carp::carp "unable to resolve path '$path' (base '$base')."; 1731 Carp::cluck "unable to resolve path '$path' (base '$base').";
1254 () 1732 ()
1255} 1733}
1256 1734
1257sub init { 1735sub init {
1258 my ($self) = @_; 1736 my ($self) = @_;
1273 1751
1274# the original (read-only) location 1752# the original (read-only) location
1275sub load_path { 1753sub load_path {
1276 my ($self) = @_; 1754 my ($self) = @_;
1277 1755
1278 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1756 "$MAPDIR/$self->{path}.map"
1279} 1757}
1280 1758
1281# the temporary/swap location 1759# the temporary/swap location
1282sub save_path { 1760sub save_path {
1283 my ($self) = @_; 1761 my ($self) = @_;
1284 1762
1285 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1763 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1764 "$TMPDIR/$path.map"
1287} 1765}
1288 1766
1289# the unique path, undef == no special unique path 1767# the unique path, undef == no special unique path
1290sub uniq_path { 1768sub uniq_path {
1291 my ($self) = @_; 1769 my ($self) = @_;
1292 1770
1293 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1771 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1772 "$UNIQUEDIR/$path"
1295} 1773}
1296 1774
1297# and all this just because we cannot iterate over 1775# and all this just because we cannot iterate over
1298# all maps in C++... 1776# all maps in C++...
1299sub change_all_map_light { 1777sub change_all_map_light {
1301 1779
1302 $_->change_map_light ($change) 1780 $_->change_map_light ($change)
1303 for grep $_->outdoor, values %cf::MAP; 1781 for grep $_->outdoor, values %cf::MAP;
1304} 1782}
1305 1783
1784sub decay_objects {
1785 my ($self) = @_;
1786
1787 return if $self->{deny_reset};
1788
1789 $self->do_decay_objects;
1790}
1791
1306sub unlink_save { 1792sub unlink_save {
1307 my ($self) = @_; 1793 my ($self) = @_;
1308 1794
1309 utf8::encode (my $save = $self->save_path); 1795 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1796 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1797 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1798}
1318 1799
1319sub load_header_from($) { 1800sub load_header_from($) {
1320 my ($self, $path) = @_; 1801 my ($self, $path) = @_;
1321 1802
1322 utf8::encode $path; 1803 utf8::encode $path;
1323 #aio_open $path, O_RDONLY, 0 1804 my $f = new_from_file cf::object::thawer $path
1324 # or return;
1325
1326 $self->_load_header ($path)
1327 or return; 1805 or return;
1806
1807 $self->_load_header ($f)
1808 or return;
1809
1810 local $MAP_LOADING{$self->{path}} = $self;
1811 $f->resolve_delayed_derefs;
1328 1812
1329 $self->{load_path} = $path; 1813 $self->{load_path} = $path;
1330 1814
1331 1 1815 1
1332} 1816}
1371 $self->load_header_orig 1855 $self->load_header_orig
1372 or return; 1856 or return;
1373 $self->prepare_orig; 1857 $self->prepare_orig;
1374 } 1858 }
1375 1859
1860 $self->{deny_reset} = 1
1861 if $self->no_reset;
1862
1863 $self->default_region (cf::region::find_by_path $self->{path})
1864 unless $self->default_region;
1865
1376 1 1866 1
1377} 1867}
1378 1868
1379sub find; 1869sub find;
1380sub find { 1870sub find {
1381 my ($path, $origin) = @_; 1871 my ($path, $origin) = @_;
1382 1872
1383 $path = normalise $path, $origin && $origin->path; 1873 $path = normalise $path, $origin && $origin->path;
1384 1874
1875 cf::lock_wait "map_data:$path";#d#remove
1385 cf::lock_wait "map_find:$path"; 1876 cf::lock_wait "map_find:$path";
1386 1877
1387 $cf::MAP{$path} || do { 1878 $cf::MAP{$path} || do {
1388 my $guard = cf::lock_acquire "map_find:$path"; 1879 my $guard1 = cf::lock_acquire "map_find:$path";
1880 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1881
1389 my $map = new_from_path cf::map $path 1882 my $map = new_from_path cf::map $path
1390 or return; 1883 or return;
1391 1884
1392 $map->{last_save} = $cf::RUNTIME; 1885 $map->{last_save} = $cf::RUNTIME;
1393 1886
1394 $map->load_header 1887 $map->load_header
1395 or return; 1888 or return;
1396 1889
1397 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1890 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398 # doing this can freeze the server in a sync job, obviously 1891 # doing this can freeze the server in a sync job, obviously
1399 #$cf::WAIT_FOR_TICK->wait; 1892 #$cf::WAIT_FOR_TICK->wait;
1893 undef $guard1;
1894 undef $guard2;
1400 $map->reset; 1895 $map->reset;
1401 undef $guard;
1402 return find $path; 1896 return find $path;
1403 } 1897 }
1404 1898
1405 $cf::MAP{$path} = $map 1899 $cf::MAP{$path} = $map
1406 } 1900 }
1413 my ($self) = @_; 1907 my ($self) = @_;
1414 1908
1415 local $self->{deny_reset} = 1; # loading can take a long time 1909 local $self->{deny_reset} = 1; # loading can take a long time
1416 1910
1417 my $path = $self->{path}; 1911 my $path = $self->{path};
1912
1913 {
1418 my $guard = cf::lock_acquire "map_load:$path"; 1914 my $guard = cf::lock_acquire "map_data:$path";
1419 1915
1916 return unless $self->valid;
1420 return if $self->in_memory != cf::MAP_SWAPPED; 1917 return unless $self->in_memory == cf::MAP_SWAPPED;
1421 1918
1422 $self->in_memory (cf::MAP_LOADING); 1919 $self->in_memory (cf::MAP_LOADING);
1423 1920
1424 $self->alloc; 1921 $self->alloc;
1425 1922
1426 $self->pre_load; 1923 $self->pre_load;
1924 cf::cede_to_tick;
1427 1925
1428 $self->_load_objects ($self->{load_path}, 1) 1926 my $f = new_from_file cf::object::thawer $self->{load_path};
1927 $f->skip_block;
1928 $self->_load_objects ($f)
1429 or return; 1929 or return;
1430 1930
1431 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1931 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432 if delete $self->{load_original}; 1932 if delete $self->{load_original};
1433 1933
1434 if (my $uniq = $self->uniq_path) { 1934 if (my $uniq = $self->uniq_path) {
1435 utf8::encode $uniq; 1935 utf8::encode $uniq;
1436 if (aio_open $uniq, O_RDONLY, 0) { 1936 unless (aio_stat $uniq) {
1937 if (my $f = new_from_file cf::object::thawer $uniq) {
1437 $self->clear_unique_items; 1938 $self->clear_unique_items;
1438 $self->_load_objects ($uniq, 0); 1939 $self->_load_objects ($f);
1940 $f->resolve_delayed_derefs;
1941 }
1439 } 1942 }
1440 } 1943 }
1441 1944
1442 Coro::cede; 1945 $f->resolve_delayed_derefs;
1443 1946
1947 cf::cede_to_tick;
1444 # now do the right thing for maps 1948 # now do the right thing for maps
1445 $self->link_multipart_objects; 1949 $self->link_multipart_objects;
1446
1447 unless ($self->{deny_activate}) {
1448 $self->decay_objects;
1449 $self->fix_auto_apply;
1450 $self->update_buttons;
1451 Coro::cede;
1452 $self->set_darkness_map;
1453 $self->difficulty ($self->estimate_difficulty) 1950 $self->difficulty ($self->estimate_difficulty)
1454 unless $self->difficulty; 1951 unless $self->difficulty;
1455 Coro::cede; 1952 cf::cede_to_tick;
1953
1954 unless ($self->{deny_activate}) {
1955 $self->decay_objects;
1956 $self->fix_auto_apply;
1957 $self->update_buttons;
1958 cf::cede_to_tick;
1959 $self->set_darkness_map;
1960 cf::cede_to_tick;
1456 $self->activate; 1961 $self->activate;
1962 }
1963
1964 $self->{last_save} = $cf::RUNTIME;
1965 $self->last_access ($cf::RUNTIME);
1966
1967 $self->in_memory (cf::MAP_IN_MEMORY);
1457 } 1968 }
1458 1969
1459 $self->post_load; 1970 $self->post_load;
1460
1461 $self->in_memory (cf::MAP_IN_MEMORY);
1462} 1971}
1463 1972
1464sub customise_for { 1973sub customise_for {
1465 my ($self, $ob) = @_; 1974 my ($self, $ob) = @_;
1466 1975
1467 return find "~" . $ob->name . "/" . $self->{path} 1976 return find "~" . $ob->name . "/" . $self->{path}
1468 if $self->per_player; 1977 if $self->per_player;
1469 1978
1979# return find "?party/" . $ob->name . "/" . $self->{path}
1980# if $self->per_party;
1981
1470 $self 1982 $self
1471} 1983}
1472 1984
1473# find and load all maps in the 3x3 area around a map 1985# find and load all maps in the 3x3 area around a map
1474sub load_diag { 1986sub load_neighbours {
1475 my ($map) = @_; 1987 my ($map) = @_;
1476 1988
1477 my @diag; # diagonal neighbours 1989 my @neigh; # diagonal neighbours
1478 1990
1479 for (0 .. 3) { 1991 for (0 .. 3) {
1480 my $neigh = $map->tile_path ($_) 1992 my $neigh = $map->tile_path ($_)
1481 or next; 1993 or next;
1482 $neigh = find $neigh, $map 1994 $neigh = find $neigh, $map
1483 or next; 1995 or next;
1484 $neigh->load; 1996 $neigh->load;
1485 1997
1998 push @neigh,
1486 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 1999 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1487 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2000 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1488 } 2001 }
1489 2002
1490 for (@diag) { 2003 for (grep defined $_->[0], @neigh) {
2004 my ($path, $origin) = @$_;
1491 my $neigh = find @$_ 2005 my $neigh = find $path, $origin
1492 or next; 2006 or next;
1493 $neigh->load; 2007 $neigh->load;
1494 } 2008 }
1495} 2009}
1496 2010
1501} 2015}
1502 2016
1503sub do_load_sync { 2017sub do_load_sync {
1504 my ($map) = @_; 2018 my ($map) = @_;
1505 2019
2020 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2021 if $Coro::current == $Coro::main;
2022
1506 cf::sync_job { $map->load }; 2023 cf::sync_job { $map->load };
1507} 2024}
1508 2025
1509our %MAP_PREFETCH; 2026our %MAP_PREFETCH;
1510our $MAP_PREFETCHER = undef; 2027our $MAP_PREFETCHER = undef;
1511 2028
1512sub find_async { 2029sub find_async {
1513 my ($path, $origin) = @_; 2030 my ($path, $origin, $load) = @_;
1514 2031
1515 $path = normalise $path, $origin && $origin->{path}; 2032 $path = normalise $path, $origin && $origin->{path};
1516 2033
1517 if (my $map = $cf::MAP{$path}) { 2034 if (my $map = $cf::MAP{$path}) {
1518 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2035 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519 } 2036 }
1520 2037
1521 undef $MAP_PREFETCH{$path}; 2038 $MAP_PREFETCH{$path} |= $load;
2039
1522 $MAP_PREFETCHER ||= cf::async { 2040 $MAP_PREFETCHER ||= cf::async {
1523 while (%MAP_PREFETCH) { 2041 while (%MAP_PREFETCH) {
1524 for my $path (keys %MAP_PREFETCH) { 2042 while (my ($k, $v) = each %MAP_PREFETCH) {
1525 my $map = find $path 2043 if (my $map = find $k) {
1526 or next;
1527 $map->load; 2044 $map->load if $v;
2045 }
1528 2046
1529 delete $MAP_PREFETCH{$path}; 2047 delete $MAP_PREFETCH{$k};
1530 } 2048 }
1531 } 2049 }
1532 undef $MAP_PREFETCHER; 2050 undef $MAP_PREFETCHER;
1533 }; 2051 };
1534 $MAP_PREFETCHER->prio (6); 2052 $MAP_PREFETCHER->prio (6);
1537} 2055}
1538 2056
1539sub save { 2057sub save {
1540 my ($self) = @_; 2058 my ($self) = @_;
1541 2059
1542 my $lock = cf::lock_acquire "map_data:" . $self->path; 2060 my $lock = cf::lock_acquire "map_data:$self->{path}";
1543 2061
1544 $self->{last_save} = $cf::RUNTIME; 2062 $self->{last_save} = $cf::RUNTIME;
1545 2063
1546 return unless $self->dirty; 2064 return unless $self->dirty;
1547 2065
1570 my ($self) = @_; 2088 my ($self) = @_;
1571 2089
1572 # save first because save cedes 2090 # save first because save cedes
1573 $self->save; 2091 $self->save;
1574 2092
1575 my $lock = cf::lock_acquire "map_data:" . $self->path; 2093 my $lock = cf::lock_acquire "map_data:$self->{path}";
1576 2094
1577 return if $self->players; 2095 return if $self->players;
1578 return if $self->in_memory != cf::MAP_IN_MEMORY; 2096 return if $self->in_memory != cf::MAP_IN_MEMORY;
1579 return if $self->{deny_save}; 2097 return if $self->{deny_save};
1580 2098
2099 $self->in_memory (cf::MAP_SWAPPED);
2100
2101 $self->deactivate;
2102 $_->clear_links_to ($self) for values %cf::MAP;
1581 $self->clear; 2103 $self->clear;
1582 $self->in_memory (cf::MAP_SWAPPED);
1583} 2104}
1584 2105
1585sub reset_at { 2106sub reset_at {
1586 my ($self) = @_; 2107 my ($self) = @_;
1587 2108
1588 # TODO: safety, remove and allow resettable per-player maps 2109 # TODO: safety, remove and allow resettable per-player maps
1589 return 1e99 if $self->isa ("ext::map_per_player");#d#
1590 return 1e99 if $self->{deny_reset}; 2110 return 1e99 if $self->{deny_reset};
1591 2111
1592 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2112 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2113 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594 2114
1605 my ($self) = @_; 2125 my ($self) = @_;
1606 2126
1607 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2127 my $lock = cf::lock_acquire "map_data:$self->{path}";
1608 2128
1609 return if $self->players; 2129 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d#
1611 2130
1612 warn "resetting map ", $self->path;#d# 2131 warn "resetting map ", $self->path;
1613 2132
1614 $self->in_memory (cf::MAP_SWAPPED); 2133 $self->in_memory (cf::MAP_SWAPPED);
1615 2134
1616 # need to save uniques path 2135 # need to save uniques path
1617 unless ($self->{deny_save}) { 2136 unless ($self->{deny_save}) {
1621 if $uniq; 2140 if $uniq;
1622 } 2141 }
1623 2142
1624 delete $cf::MAP{$self->path}; 2143 delete $cf::MAP{$self->path};
1625 2144
2145 $self->deactivate;
2146 $_->clear_links_to ($self) for values %cf::MAP;
1626 $self->clear; 2147 $self->clear;
1627
1628 $_->clear_links_to ($self) for values %cf::MAP;
1629 2148
1630 $self->unlink_save; 2149 $self->unlink_save;
1631 $self->destroy; 2150 $self->destroy;
1632} 2151}
1633 2152
1634my $nuke_counter = "aaaa"; 2153my $nuke_counter = "aaaa";
1635 2154
1636sub nuke { 2155sub nuke {
1637 my ($self) = @_; 2156 my ($self) = @_;
1638 2157
2158 {
2159 my $lock = cf::lock_acquire "map_data:$self->{path}";
2160
1639 delete $cf::MAP{$self->path}; 2161 delete $cf::MAP{$self->path};
1640 2162
1641 $self->unlink_save; 2163 $self->unlink_save;
1642 2164
1643 bless $self, "cf::map"; 2165 bless $self, "cf::map";
1644 delete $self->{deny_reset}; 2166 delete $self->{deny_reset};
1645 $self->{deny_save} = 1; 2167 $self->{deny_save} = 1;
1646 $self->reset_timeout (1); 2168 $self->reset_timeout (1);
1647 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2169 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648 2170
1649 $cf::MAP{$self->path} = $self; 2171 $cf::MAP{$self->path} = $self;
2172 }
1650 2173
1651 $self->reset; # polite request, might not happen 2174 $self->reset; # polite request, might not happen
2175}
2176
2177=item $maps = cf::map::tmp_maps
2178
2179Returns an arrayref with all map paths of currently instantiated and saved
2180maps. May block.
2181
2182=cut
2183
2184sub tmp_maps() {
2185 [
2186 map {
2187 utf8::decode $_;
2188 /\.map$/
2189 ? normalise $_
2190 : ()
2191 } @{ aio_readdir $TMPDIR or [] }
2192 ]
2193}
2194
2195=item $maps = cf::map::random_maps
2196
2197Returns an arrayref with all map paths of currently instantiated and saved
2198random maps. May block.
2199
2200=cut
2201
2202sub random_maps() {
2203 [
2204 map {
2205 utf8::decode $_;
2206 /\.map$/
2207 ? normalise "?random/$_"
2208 : ()
2209 } @{ aio_readdir $RANDOMDIR or [] }
2210 ]
1652} 2211}
1653 2212
1654=item cf::map::unique_maps 2213=item cf::map::unique_maps
1655 2214
1656Returns an arrayref of paths of all shared maps that have 2215Returns an arrayref of paths of all shared maps that have
1657instantiated unique items. May block. 2216instantiated unique items. May block.
1658 2217
1659=cut 2218=cut
1660 2219
1661sub unique_maps() { 2220sub unique_maps() {
1662 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2221 [
1663 or return; 2222 map {
1664
1665 my @paths;
1666
1667 for (@$files) {
1668 utf8::decode $_; 2223 utf8::decode $_;
1669 next if /\.pst$/; 2224 /\.map$/
1670 next unless /^$PATH_SEP/o; 2225 ? normalise $_
1671 2226 : ()
1672 push @paths, cf::map::normalise $_; 2227 } @{ aio_readdir $UNIQUEDIR or [] }
1673 } 2228 ]
1674
1675 \@paths
1676} 2229}
1677 2230
1678package cf; 2231package cf;
1679 2232
1680=back 2233=back
1698 map { $_, inv_recursive_ $_->inv } @_ 2251 map { $_, inv_recursive_ $_->inv } @_
1699} 2252}
1700 2253
1701sub inv_recursive { 2254sub inv_recursive {
1702 inv_recursive_ inv $_[0] 2255 inv_recursive_ inv $_[0]
2256}
2257
2258=item $ref = $ob->ref
2259
2260creates and returns a persistent reference to an objetc that can be stored as a string.
2261
2262=item $ob = cf::object::deref ($refstring)
2263
2264returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2265even if the object actually exists. May block.
2266
2267=cut
2268
2269sub deref {
2270 my ($ref) = @_;
2271
2272 # temporary compatibility#TODO#remove
2273 $ref =~ s{^<}{player/<};
2274
2275 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2276 my ($uuid, $name) = ($1, $2);
2277 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2278 or return;
2279 $pl->ob->uuid eq $uuid
2280 or return;
2281
2282 $pl->ob
2283 } else {
2284 warn "$ref: cannot resolve object reference\n";
2285 undef
2286 }
1703} 2287}
1704 2288
1705package cf; 2289package cf;
1706 2290
1707=back 2291=back
1726 2310
1727 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2311 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728 2312
1729 if ($self->{record_replies}) { 2313 if ($self->{record_replies}) {
1730 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2314 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2315
1731 } else { 2316 } else {
2317 my $pl = $self->contr;
2318
2319 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2320 my $dialog = $pl->{npc_dialog};
2321 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2322
2323 } else {
1732 $msg = $npc->name . " says: $msg" if $npc; 2324 $msg = $npc->name . " says: $msg" if $npc;
1733 $self->message ($msg, $flags); 2325 $self->message ($msg, $flags);
2326 }
1734 } 2327 }
2328}
2329
2330=item $object->send_msg ($channel, $msg, $color, [extra...])
2331
2332=cut
2333
2334sub cf::object::send_msg {
2335 my $pl = shift->contr
2336 or return;
2337 $pl->send_msg (@_);
1735} 2338}
1736 2339
1737=item $player_object->may ("access") 2340=item $player_object->may ("access")
1738 2341
1739Returns wether the given player is authorized to access resource "access" 2342Returns wether the given player is authorized to access resource "access"
1786 $self->deactivate_recursive; 2389 $self->deactivate_recursive;
1787 2390
1788 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2391 return if UNIVERSAL::isa $self->map, "ext::map_link";
1789 2392
1790 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2393 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791 if $self->map; 2394 if $self->map && $self->map->{path} ne "{link}";
1792 2395
1793 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2396 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1794} 2397}
1795 2398
1796sub cf::object::player::leave_link { 2399sub cf::object::player::leave_link {
1797 my ($self, $map, $x, $y) = @_; 2400 my ($self, $map, $x, $y) = @_;
2401
2402 return unless $self->contr->active;
1798 2403
1799 my $link_pos = delete $self->{_link_pos}; 2404 my $link_pos = delete $self->{_link_pos};
1800 2405
1801 unless ($map) { 2406 unless ($map) {
1802 # restore original map position 2407 # restore original map position
1816 # use -1 or undef as default coordinates, not 0, 0 2421 # use -1 or undef as default coordinates, not 0, 0
1817 ($x, $y) = ($map->enter_x, $map->enter_y) 2422 ($x, $y) = ($map->enter_x, $map->enter_y)
1818 if $x <=0 && $y <= 0; 2423 if $x <=0 && $y <= 0;
1819 2424
1820 $map->load; 2425 $map->load;
1821 $map->load_diag; 2426 $map->load_neighbours;
1822 2427
1823 return unless $self->contr->active; 2428 return unless $self->contr->active;
1824 $self->activate_recursive; 2429 $self->activate_recursive;
2430
2431 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825 $self->enter_map ($map, $x, $y); 2432 $self->enter_map ($map, $x, $y);
1826} 2433}
1827 2434
1828cf::player->attach ( 2435=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829 on_logout => sub {
1830 my ($pl) = @_;
1831 2436
1832 # abort map switching before logout 2437Moves the player to the given map-path and coordinates by first freezing
1833 if ($pl->ob->{_link_pos}) { 2438her, loading and preparing them map, calling the provided $check callback
1834 cf::sync_job { 2439that has to return the map if sucecssful, and then unfreezes the player on
1835 $pl->ob->leave_link 2440the new (success) or old (failed) map position. In either case, $done will
1836 }; 2441be called at the end of this process.
1837 }
1838 },
1839 on_login => sub {
1840 my ($pl) = @_;
1841 2442
1842 # try to abort aborted map switching on player login :)
1843 # should happen only on crashes
1844 if ($pl->ob->{_link_pos}) {
1845 $pl->ob->enter_link;
1846 (async {
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1849 $pl->ob->reply (undef,
1850 "There was an internal problem at your last logout, "
1851 . "the server will try to bring you to your intended destination in a second.",
1852 cf::NDI_RED);
1853 Coro::Timer::sleep 1;
1854 $pl->ob->leave_link;
1855 })->prio (2);
1856 }
1857 },
1858);
1859
1860=item $player_object->goto ($path, $x, $y)
1861
1862=cut 2443=cut
2444
2445our $GOTOGEN;
1863 2446
1864sub cf::object::player::goto { 2447sub cf::object::player::goto {
1865 my ($self, $path, $x, $y) = @_; 2448 my ($self, $path, $x, $y, $check, $done) = @_;
2449
2450 # do generation counting so two concurrent goto's will be executed in-order
2451 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866 2452
1867 $self->enter_link; 2453 $self->enter_link;
1868 2454
1869 (async { 2455 (async {
2456 # *tag paths override both path and x|y
2457 if ($path =~ /^\*(.*)$/) {
2458 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2459 my $ob = $obs[rand @obs];
2460
2461 # see if we actually can go there
2462 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2463 $ob = $obs[rand @obs];
2464 } else {
2465 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2466 }
2467 # else put us there anyways for now #d#
2468
2469 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2470 } else {
2471 ($path, $x, $y) = (undef, undef, undef);
2472 }
2473 }
2474
1870 my $map = eval { 2475 my $map = eval {
1871 my $map = cf::map::find $path; 2476 my $map = defined $path ? cf::map::find $path : undef;
2477
2478 if ($map) {
1872 $map = $map->customise_for ($self) if $map; 2479 $map = $map->customise_for ($self);
2480 $map = $check->($map) if $check && $map;
2481 } else {
2482 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2483 }
2484
1873 $map 2485 $map
2486 };
2487
2488 if ($@) {
2489 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2490 LOG llevError | logBacktrace, Carp::longmess $@;
1874 } or 2491 }
1875 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876 2492
2493 if ($gen == $self->{_goto_generation}) {
2494 delete $self->{_goto_generation};
1877 $self->leave_link ($map, $x, $y); 2495 $self->leave_link ($map, $x, $y);
2496 }
2497
2498 $done->() if $done;
1878 })->prio (1); 2499 })->prio (1);
1879} 2500}
1880 2501
1881=item $player_object->enter_exit ($exit_object) 2502=item $player_object->enter_exit ($exit_object)
1882 2503
1921 2542
1922 $rmp->{random_seed} ||= $exit->random_seed; 2543 $rmp->{random_seed} ||= $exit->random_seed;
1923 2544
1924 my $data = cf::to_json $rmp; 2545 my $data = cf::to_json $rmp;
1925 my $md5 = Digest::MD5::md5_hex $data; 2546 my $md5 = Digest::MD5::md5_hex $data;
1926 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2547 my $meta = "$RANDOMDIR/$md5.meta";
1927 2548
1928 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2549 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929 aio_write $fh, 0, (length $data), $data, 0; 2550 aio_write $fh, 0, (length $data), $data, 0;
1930 undef $fh; 2551 undef $fh;
1931 aio_rename "$meta~", $meta; 2552 aio_rename "$meta~", $meta;
1940 2561
1941 return unless $self->type == cf::PLAYER; 2562 return unless $self->type == cf::PLAYER;
1942 2563
1943 if ($exit->slaying eq "/!") { 2564 if ($exit->slaying eq "/!") {
1944 #TODO: this should de-fi-ni-te-ly not be a sync-job 2565 #TODO: this should de-fi-ni-te-ly not be a sync-job
2566 # the problem is that $exit might not survive long enough
2567 # so it needs to be done right now, right here
1945 cf::sync_job { prepare_random_map $exit }; 2568 cf::sync_job { prepare_random_map $exit };
1946 } 2569 }
1947 2570
1948 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2571 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949 my $hp = $exit->stats->hp; 2572 my $hp = $exit->stats->hp;
1950 my $sp = $exit->stats->sp; 2573 my $sp = $exit->stats->sp;
1951 2574
1952 $self->enter_link; 2575 $self->enter_link;
2576
2577 # if exit is damned, update players death & WoR home-position
2578 $self->contr->savebed ($slaying, $hp, $sp)
2579 if $exit->flag (FLAG_DAMNED);
1953 2580
1954 (async { 2581 (async {
1955 $self->deactivate_recursive; # just to be sure 2582 $self->deactivate_recursive; # just to be sure
1956 unless (eval { 2583 unless (eval {
1957 $self->goto ($slaying, $hp, $sp); 2584 $self->goto ($slaying, $hp, $sp);
1958 2585
1959 1; 2586 1;
1960 }) { 2587 }) {
1961 $self->message ("Something went wrong deep within the crossfire server. " 2588 $self->message ("Something went wrong deep within the crossfire server. "
1962 . "I'll try to bring you back to the map you were before. " 2589 . "I'll try to bring you back to the map you were before. "
1963 . "Please report this to the dungeon master!", 2590 . "Please report this to the dungeon master!",
1964 cf::NDI_UNIQUE | cf::NDI_RED); 2591 cf::NDI_UNIQUE | cf::NDI_RED);
1965 2592
1966 warn "ERROR in enter_exit: $@"; 2593 warn "ERROR in enter_exit: $@";
1967 $self->leave_link; 2594 $self->leave_link;
1968 } 2595 }
1969 })->prio (1); 2596 })->prio (1);
1982 2609
1983sub cf::client::send_drawinfo { 2610sub cf::client::send_drawinfo {
1984 my ($self, $text, $flags) = @_; 2611 my ($self, $text, $flags) = @_;
1985 2612
1986 utf8::encode $text; 2613 utf8::encode $text;
1987 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2614 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988} 2615}
1989 2616
2617=item $client->send_msg ($channel, $msg, $color, [extra...])
2618
2619Send a drawinfo or msg packet to the client, formatting the msg for the
2620client if neccessary. C<$type> should be a string identifying the type of
2621the message, with C<log> being the default. If C<$color> is negative, suppress
2622the message unless the client supports the msg packet.
2623
2624=cut
2625
2626our %CHANNEL = (
2627 "c/identify" => {
2628 id => "identify",
2629 title => "Identify",
2630 reply => undef,
2631 tooltip => "Items recently identified",
2632 },
2633 "c/examine" => {
2634 id => "examine",
2635 title => "Examine",
2636 reply => undef,
2637 tooltip => "Signs and other items you examined",
2638 },
2639);
2640
2641sub cf::client::send_msg {
2642 my ($self, $channel, $msg, $color, @extra) = @_;
2643
2644 $msg = $self->pl->expand_cfpod ($msg);
2645
2646 $color &= cf::NDI_CLIENT_MASK; # just in case...
2647
2648 # check predefined channels, for the benefit of C
2649 $channel = $CHANNEL{$channel} if $CHANNEL{$channel};
2650
2651 if (ref $channel) {
2652 # send meta info to client, if not yet sent
2653 unless (exists $self->{channel}{$channel->{id}}) {
2654 $self->{channel}{$channel->{id}} = $channel;
2655 $self->ext_msg (channel_info => $channel)
2656 if $self->can_msg;
2657 }
2658
2659 $channel = $channel->{id};
2660 }
2661
2662 return unless @extra || length $msg;
2663
2664 if ($self->can_msg) {
2665 # default colour, mask it out
2666 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2667 if $color & cf::NDI_DEF;
2668
2669 $self->send_packet ("msg " . $self->{json_coder}->encode (
2670 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2671 } else {
2672 if ($color >= 0) {
2673 # replace some tags by gcfclient-compatible ones
2674 for ($msg) {
2675 1 while
2676 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2677 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2678 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2679 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2680 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2681 }
2682
2683 $color &= cf::NDI_COLOR_MASK;
2684
2685 utf8::encode $msg;
2686
2687 if (0 && $msg =~ /\[/) {
2688 # COMMAND/INFO
2689 $self->send_packet ("drawextinfo $color 10 8 $msg")
2690 } else {
2691 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2692 $self->send_packet ("drawinfo $color $msg")
2693 }
2694 }
2695 }
2696}
2697
2698=item $client->ext_msg ($type, @msg)
2699
2700Sends an ext event to the client.
2701
2702=cut
2703
2704sub cf::client::ext_msg($$@) {
2705 my ($self, $type, @msg) = @_;
2706
2707 if ($self->extcmd == 2) {
2708 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2709 } elsif ($self->extcmd == 1) { # TODO: remove
2710 push @msg, msgtype => "event_$type";
2711 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2712 }
2713}
2714
2715=item $client->ext_reply ($msgid, @msg)
2716
2717Sends an ext reply to the client.
2718
2719=cut
2720
2721sub cf::client::ext_reply($$@) {
2722 my ($self, $id, @msg) = @_;
2723
2724 if ($self->extcmd == 2) {
2725 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2726 } elsif ($self->extcmd == 1) {
2727 #TODO: version 1, remove
2728 unshift @msg, msgtype => "reply", msgid => $id;
2729 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2730 }
2731}
1990 2732
1991=item $success = $client->query ($flags, "text", \&cb) 2733=item $success = $client->query ($flags, "text", \&cb)
1992 2734
1993Queues a query to the client, calling the given callback with 2735Queues a query to the client, calling the given callback with
1994the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2736the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2737C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996 2738
1997Queries can fail, so check the return code. Or don't, as queries will become 2739Queries can fail, so check the return code. Or don't, as queries will
1998reliable at some point in the future. 2740become reliable at some point in the future.
1999 2741
2000=cut 2742=cut
2001 2743
2002sub cf::client::query { 2744sub cf::client::query {
2003 my ($self, $flags, $text, $cb) = @_; 2745 my ($self, $flags, $text, $cb) = @_;
2011 utf8::encode $text; 2753 utf8::encode $text;
2012 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2754 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013 2755
2014 $self->send_packet ($self->{query_queue}[0][0]) 2756 $self->send_packet ($self->{query_queue}[0][0])
2015 if @{ $self->{query_queue} } == 1; 2757 if @{ $self->{query_queue} } == 1;
2758
2759 1
2016} 2760}
2017 2761
2018cf::client->attach ( 2762cf::client->attach (
2763 on_connect => sub {
2764 my ($ns) = @_;
2765
2766 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2767 },
2019 on_reply => sub { 2768 on_reply => sub {
2020 my ($ns, $msg) = @_; 2769 my ($ns, $msg) = @_;
2021 2770
2022 # this weird shuffling is so that direct followup queries 2771 # this weird shuffling is so that direct followup queries
2023 # get handled first 2772 # get handled first
2035 } else { 2784 } else {
2036 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2785 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037 } 2786 }
2038 } 2787 }
2039 }, 2788 },
2789 on_exticmd => sub {
2790 my ($ns, $buf) = @_;
2791
2792 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2793
2794 if (ref $msg) {
2795 my ($type, $reply, @payload) =
2796 "ARRAY" eq ref $msg
2797 ? @$msg
2798 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2799
2800 my @reply;
2801
2802 if (my $cb = $EXTICMD{$type}) {
2803 @reply = $cb->($ns, @payload);
2804 }
2805
2806 $ns->ext_reply ($reply, @reply)
2807 if $reply;
2808
2809 } else {
2810 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2811 }
2812
2813 cf::override;
2814 },
2040); 2815);
2041 2816
2042=item $client->async (\&cb) 2817=item $client->async (\&cb)
2043 2818
2044Create a new coroutine, running the specified callback. The coroutine will 2819Create a new coroutine, running the specified callback. The coroutine will
2085our $safe = new Safe "safe"; 2860our $safe = new Safe "safe";
2086our $safe_hole = new Safe::Hole; 2861our $safe_hole = new Safe::Hole;
2087 2862
2088$SIG{FPE} = 'IGNORE'; 2863$SIG{FPE} = 'IGNORE';
2089 2864
2090$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2865$safe->permit_only (Opcode::opset qw(
2866 :base_core :base_mem :base_orig :base_math
2867 grepstart grepwhile mapstart mapwhile
2868 sort time
2869));
2091 2870
2092# here we export the classes and methods available to script code 2871# here we export the classes and methods available to script code
2093 2872
2094=pod 2873=pod
2095 2874
2096The following fucntions and emthods are available within a safe environment: 2875The following functions and methods are available within a safe environment:
2097 2876
2098 cf::object contr pay_amount pay_player map 2877 cf::object
2878 contr pay_amount pay_player map x y force_find force_add
2879 insert remove name archname title slaying race decrease_ob_nr
2880
2099 cf::object::player player 2881 cf::object::player
2100 cf::player peaceful 2882 player
2101 cf::map trigger 2883
2884 cf::player
2885 peaceful
2886
2887 cf::map
2888 trigger
2102 2889
2103=cut 2890=cut
2104 2891
2105for ( 2892for (
2106 ["cf::object" => qw(contr pay_amount pay_player map)], 2893 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2894 insert remove inv name archname title slaying race
2895 decrease_ob_nr)],
2107 ["cf::object::player" => qw(player)], 2896 ["cf::object::player" => qw(player)],
2108 ["cf::player" => qw(peaceful)], 2897 ["cf::player" => qw(peaceful)],
2109 ["cf::map" => qw(trigger)], 2898 ["cf::map" => qw(trigger)],
2110) { 2899) {
2111 no strict 'refs'; 2900 no strict 'refs';
2182=back 2971=back
2183 2972
2184=cut 2973=cut
2185 2974
2186############################################################################# 2975#############################################################################
2187
2188=head2 EXTENSION DATABASE SUPPORT
2189
2190Crossfire maintains a very simple database for extension use. It can
2191currently store anything that can be serialised using Storable, which
2192excludes objects.
2193
2194The parameter C<$family> should best start with the name of the extension
2195using it, it should be unique.
2196
2197=over 4
2198
2199=item $value = cf::db_get $family => $key
2200
2201Returns a single value from the database.
2202
2203=item cf::db_put $family => $key => $value
2204
2205Stores the given C<$value> in the family.
2206
2207=cut
2208
2209our $DB;
2210
2211sub db_init {
2212 unless ($DB) {
2213 $DB = BDB::db_create $DB_ENV;
2214
2215 cf::sync_job {
2216 eval {
2217 $DB->set_flags (BDB::CHKSUM);
2218
2219 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221 cf::cleanup "db_open(db): $!" if $!;
2222 };
2223 cf::cleanup "db_open(db): $@" if $@;
2224 };
2225
2226 my $path = cf::localdir . "/database.pst";
2227 if (stat $path) {
2228 cf::sync_job {
2229 my $pst = Storable::retrieve $path;
2230
2231 cf::db_put (board => data => $pst->{board});
2232 cf::db_put (guildrules => data => $pst->{guildrules});
2233 cf::db_put (rent => balance => $pst->{rent}{balance});
2234 BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236 unlink $path;
2237 };
2238 }
2239 }
2240}
2241
2242sub db_get($$) {
2243 my $key = "$_[0]/$_[1]";
2244
2245 cf::sync_job {
2246 BDB::db_get $DB, undef, $key, my $data;
2247
2248 $! ? ()
2249 : Compress::LZF::sthaw $data
2250 }
2251}
2252
2253sub db_put($$$) {
2254 BDB::dbreq_pri 4;
2255 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256}
2257
2258#############################################################################
2259# the server's init and main functions 2976# the server's init and main functions
2260 2977
2261sub load_resources { 2978sub load_facedata($) {
2262 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2979 my ($path) = @_;
2980
2981 # HACK to clear player env face cache, we need some signal framework
2982 # for this (global event?)
2983 %ext::player_env::MUSIC_FACE_CACHE = ();
2984
2985 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2986
2987 warn "loading facedata from $path\n";
2988
2989 my $facedata;
2990 0 < aio_load $path, $facedata
2991 or die "$path: $!";
2992
2993 $facedata = Coro::Storable::thaw $facedata;
2994
2995 $facedata->{version} == 2
2996 or cf::cleanup "$path: version mismatch, cannot proceed.";
2997
2998 # patch in the exptable
2999 $facedata->{resource}{"res/exp_table"} = {
3000 type => FT_RSRC,
3001 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3002 };
3003 cf::cede_to_tick;
3004
3005 {
3006 my $faces = $facedata->{faceinfo};
3007
3008 while (my ($face, $info) = each %$faces) {
3009 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3010 cf::face::set_visibility $idx, $info->{visibility};
3011 cf::face::set_magicmap $idx, $info->{magicmap};
3012 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3013 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3014
3015 cf::cede_to_tick;
3016 }
3017
3018 while (my ($face, $info) = each %$faces) {
3019 next unless $info->{smooth};
3020 my $idx = cf::face::find $face
3021 or next;
3022 if (my $smooth = cf::face::find $info->{smooth}) {
3023 cf::face::set_smooth $idx, $smooth;
3024 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3025 } else {
3026 warn "smooth face '$info->{smooth}' not found for face '$face'";
3027 }
3028
3029 cf::cede_to_tick;
3030 }
3031 }
3032
3033 {
3034 my $anims = $facedata->{animinfo};
3035
3036 while (my ($anim, $info) = each %$anims) {
3037 cf::anim::set $anim, $info->{frames}, $info->{facings};
3038 cf::cede_to_tick;
3039 }
3040
3041 cf::anim::invalidate_all; # d'oh
3042 }
3043
3044 {
3045 # TODO: for gcfclient pleasure, we should give resources
3046 # that gcfclient doesn't grok a >10000 face index.
3047 my $res = $facedata->{resource};
3048
3049 my $soundconf = delete $res->{"res/sound.conf"};
3050
3051 while (my ($name, $info) = each %$res) {
3052 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3053 my $data;
3054
3055 if ($info->{type} & 1) {
3056 # prepend meta info
3057
3058 my $meta = $enc->encode ({
3059 name => $name,
3060 %{ $info->{meta} || {} },
3061 });
3062
3063 $data = pack "(w/a*)*", $meta, $info->{data};
3064 } else {
3065 $data = $info->{data};
3066 }
3067
3068 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3069 cf::face::set_type $idx, $info->{type};
3070
3071 cf::cede_to_tick;
3072 }
3073
3074 if ($soundconf) {
3075 $soundconf = $enc->decode (delete $soundconf->{data});
3076
3077 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3078 my $sound = $soundconf->{compat}[$_]
3079 or next;
3080
3081 my $face = cf::face::find "sound/$sound->[1]";
3082 cf::sound::set $sound->[0] => $face;
3083 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3084 }
3085
3086 while (my ($k, $v) = each %{$soundconf->{event}}) {
3087 my $face = cf::face::find "sound/$v";
3088 cf::sound::set $k => $face;
3089 }
3090 }
3091 }
3092
3093 1
3094}
3095
3096register_exticmd fx_want => sub {
3097 my ($ns, $want) = @_;
3098
3099 while (my ($k, $v) = each %$want) {
3100 $ns->fx_want ($k, $v);
3101 }
3102};
3103
3104sub reload_regions {
3105 # HACK to clear player env face cache, we need some signal framework
3106 # for this (global event?)
3107 %ext::player_env::MUSIC_FACE_CACHE = ();
3108
3109 load_resource_file "$MAPDIR/regions"
2263 or die "unable to load regions file\n";#d# 3110 or die "unable to load regions file\n";
2264}
2265 3111
2266sub cfg_load { 3112 for (cf::region::list) {
3113 $_->{match} = qr/$_->{match}/
3114 if exists $_->{match};
3115 }
3116}
3117
3118sub reload_facedata {
3119 load_facedata "$DATADIR/facedata"
3120 or die "unable to load facedata\n";
3121}
3122
3123sub reload_archetypes {
3124 load_resource_file "$DATADIR/archetypes"
3125 or die "unable to load archetypes\n";
3126 #d# NEED to laod twice to resolve forward references
3127 # this really needs to be done in an extra post-pass
3128 # (which needs to be synchronous, so solve it differently)
3129 load_resource_file "$DATADIR/archetypes"
3130 or die "unable to load archetypes\n";
3131}
3132
3133sub reload_treasures {
3134 load_resource_file "$DATADIR/treasures"
3135 or die "unable to load treasurelists\n";
3136}
3137
3138sub reload_resources {
3139 warn "reloading resource files...\n";
3140
3141 reload_regions;
3142 reload_facedata;
3143 #reload_archetypes;#d#
3144 reload_archetypes;
3145 reload_treasures;
3146
3147 warn "finished reloading resource files\n";
3148}
3149
3150sub init {
3151 reload_resources;
3152}
3153
3154sub reload_config {
2267 open my $fh, "<:utf8", cf::confdir . "/config" 3155 open my $fh, "<:utf8", "$CONFDIR/config"
2268 or return; 3156 or return;
2269 3157
2270 local $/; 3158 local $/;
2271 *CFG = YAML::Syck::Load <$fh>; 3159 *CFG = YAML::Syck::Load <$fh>;
2272 3160
2280 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 3168 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281 and die "WARNING: m(un)lockall failed: $!\n"; 3169 and die "WARNING: m(un)lockall failed: $!\n";
2282 }; 3170 };
2283 warn $@ if $@; 3171 warn $@ if $@;
2284 } 3172 }
2285}
2286
2287sub init {
2288 load_resources;
2289} 3173}
2290 3174
2291sub main { 3175sub main {
2292 # we must not ever block the main coroutine 3176 # we must not ever block the main coroutine
2293 local $Coro::idle = sub { 3177 local $Coro::idle = sub {
2295 (async { 3179 (async {
2296 Event::one_event; 3180 Event::one_event;
2297 })->prio (Coro::PRIO_MAX); 3181 })->prio (Coro::PRIO_MAX);
2298 }; 3182 };
2299 3183
2300 cfg_load; 3184 reload_config;
2301 db_init; 3185 db_init;
2302 load_extensions; 3186 load_extensions;
2303 3187
2304 $TICK_WATCHER->start; 3188 $TICK_WATCHER->start;
2305 Event::loop; 3189 Event::loop;
2321 }, 3205 },
2322 ); 3206 );
2323 } 3207 }
2324} 3208}
2325 3209
3210sub write_runtime {
3211 my $runtime = "$LOCALDIR/runtime";
3212
3213 # first touch the runtime file to show we are still running:
3214 # the fsync below can take a very very long time.
3215
3216 IO::AIO::aio_utime $runtime, undef, undef;
3217
3218 my $guard = cf::lock_acquire "write_runtime";
3219
3220 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3221 or return;
3222
3223 my $value = $cf::RUNTIME + 90 + 10;
3224 # 10 is the runtime save interval, for a monotonic clock
3225 # 60 allows for the watchdog to kill the server.
3226
3227 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3228 and return;
3229
3230 # always fsync - this file is important
3231 aio_fsync $fh
3232 and return;
3233
3234 # touch it again to show we are up-to-date
3235 aio_utime $fh, undef, undef;
3236
3237 close $fh
3238 or return;
3239
3240 aio_rename "$runtime~", $runtime
3241 and return;
3242
3243 warn "runtime file written.\n";
3244
3245 1
3246}
3247
2326sub emergency_save() { 3248sub emergency_save() {
2327 my $freeze_guard = cf::freeze_mainloop; 3249 my $freeze_guard = cf::freeze_mainloop;
2328 3250
2329 warn "enter emergency perl save\n"; 3251 warn "enter emergency perl save\n";
2330 3252
2361 3283
2362 warn Carp::longmess "post_cleanup backtrace" 3284 warn Carp::longmess "post_cleanup backtrace"
2363 if $make_core; 3285 if $make_core;
2364} 3286}
2365 3287
2366sub reload() { 3288sub do_reload_perl() {
2367 # can/must only be called in main 3289 # can/must only be called in main
2368 if ($Coro::current != $Coro::main) { 3290 if ($Coro::current != $Coro::main) {
2369 warn "can only reload from main coroutine"; 3291 warn "can only reload from main coroutine";
2370 return; 3292 return;
2371 } 3293 }
2372 3294
2373 warn "reloading..."; 3295 warn "reloading...";
2374 3296
2375 warn "entering sync_job"; 3297 warn "entering sync_job";
2376 3298
2377 sync_job { 3299 cf::sync_job {
2378 write_runtime; 3300 cf::write_runtime; # external watchdog should not bark
2379 cf::emergency_save; 3301 cf::emergency_save;
2380 write_runtime; 3302 cf::write_runtime; # external watchdog should not bark
2381 3303
2382 warn "syncing database to disk"; 3304 warn "syncing database to disk";
2383 BDB::db_env_txn_checkpoint $DB_ENV; 3305 BDB::db_env_txn_checkpoint $DB_ENV;
2384 3306
2385 # if anything goes wrong in here, we should simply crash as we already saved 3307 # if anything goes wrong in here, we should simply crash as we already saved
2396 Coro::cede; 3318 Coro::cede;
2397 last unless IO::AIO::nreqs || BDB::nreqs; 3319 last unless IO::AIO::nreqs || BDB::nreqs;
2398 warn "iterate..."; 3320 warn "iterate...";
2399 } 3321 }
2400 3322
3323 ++$RELOAD;
3324
2401 warn "cancelling all extension coros"; 3325 warn "cancelling all extension coros";
2402 $_->cancel for values %EXT_CORO; 3326 $_->cancel for values %EXT_CORO;
2403 %EXT_CORO = (); 3327 %EXT_CORO = ();
2404 3328
2405 warn "removing commands"; 3329 warn "removing commands";
2406 %COMMAND = (); 3330 %COMMAND = ();
2407 3331
2408 warn "removing ext commands"; 3332 warn "removing ext/exti commands";
2409 %EXTCMD = (); 3333 %EXTCMD = ();
3334 %EXTICMD = ();
2410 3335
2411 warn "unloading/nuking all extensions"; 3336 warn "unloading/nuking all extensions";
2412 for my $pkg (@EXTS) { 3337 for my $pkg (@EXTS) {
2413 warn "... unloading $pkg"; 3338 warn "... unloading $pkg";
2414 3339
2444 Symbol::delete_package "safe::$_" 3369 Symbol::delete_package "safe::$_"
2445 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3370 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446 3371
2447 warn "unloading cf.pm \"a bit\""; 3372 warn "unloading cf.pm \"a bit\"";
2448 delete $INC{"cf.pm"}; 3373 delete $INC{"cf.pm"};
3374 delete $INC{"cf/pod.pm"};
2449 3375
2450 # don't, removes xs symbols, too, 3376 # don't, removes xs symbols, too,
2451 # and global variables created in xs 3377 # and global variables created in xs
2452 #Symbol::delete_package __PACKAGE__; 3378 #Symbol::delete_package __PACKAGE__;
2453 3379
2456 warn "reloading cf.pm"; 3382 warn "reloading cf.pm";
2457 require cf; 3383 require cf;
2458 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3384 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459 3385
2460 warn "loading config and database again"; 3386 warn "loading config and database again";
2461 cf::cfg_load; 3387 cf::reload_config;
2462 3388
2463 warn "loading extensions"; 3389 warn "loading extensions";
2464 cf::load_extensions; 3390 cf::load_extensions;
2465 3391
2466 warn "reattaching attachments to objects/players"; 3392 warn "reattaching attachments to objects/players";
2467 _global_reattach; 3393 _global_reattach; # objects, sockets
2468 warn "reattaching attachments to maps"; 3394 warn "reattaching attachments to maps";
2469 reattach $_ for values %MAP; 3395 reattach $_ for values %MAP;
2470 3396 warn "reattaching attachments to players";
2471 warn "loading reloadable resources"; 3397 reattach $_ for values %PLAYER;
2472 load_resources;
2473 3398
2474 warn "leaving sync_job"; 3399 warn "leaving sync_job";
2475 3400
2476 1 3401 1
2477 } or do { 3402 } or do {
2483 warn "reloaded"; 3408 warn "reloaded";
2484}; 3409};
2485 3410
2486our $RELOAD_WATCHER; # used only during reload 3411our $RELOAD_WATCHER; # used only during reload
2487 3412
3413sub reload_perl() {
3414 # doing reload synchronously and two reloads happen back-to-back,
3415 # coro crashes during coro_state_free->destroy here.
3416
3417 $RELOAD_WATCHER ||= Event->timer (
3418 reentrant => 0,
3419 after => 0,
3420 data => WF_AUTOCANCEL,
3421 cb => sub {
3422 do_reload_perl;
3423 undef $RELOAD_WATCHER;
3424 },
3425 );
3426}
3427
2488register_command "reload" => sub { 3428register_command "reload" => sub {
2489 my ($who, $arg) = @_; 3429 my ($who, $arg) = @_;
2490 3430
2491 if ($who->flag (FLAG_WIZ)) { 3431 if ($who->flag (FLAG_WIZ)) {
2492 $who->message ("reloading server."); 3432 $who->message ("reloading server.");
2493 3433 async { reload_perl };
2494 # doing reload synchronously and two reloads happen back-to-back,
2495 # coro crashes during coro_state_free->destroy here.
2496
2497 $RELOAD_WATCHER ||= Event->timer (
2498 reentrant => 0,
2499 after => 0,
2500 data => WF_AUTOCANCEL,
2501 cb => sub {
2502 reload;
2503 undef $RELOAD_WATCHER;
2504 },
2505 );
2506 } 3434 }
2507}; 3435};
2508 3436
2509unshift @INC, $LIBDIR; 3437unshift @INC, $LIBDIR;
2510 3438
2511my $bug_warning = 0; 3439my $bug_warning = 0;
3440
3441our @WAIT_FOR_TICK;
3442our @WAIT_FOR_TICK_BEGIN;
3443
3444sub wait_for_tick {
3445 return unless $TICK_WATCHER->is_active;
3446 return if $Coro::current == $Coro::main;
3447
3448 my $signal = new Coro::Signal;
3449 push @WAIT_FOR_TICK, $signal;
3450 $signal->wait;
3451}
3452
3453sub wait_for_tick_begin {
3454 return unless $TICK_WATCHER->is_active;
3455 return if $Coro::current == $Coro::main;
3456
3457 my $signal = new Coro::Signal;
3458 push @WAIT_FOR_TICK_BEGIN, $signal;
3459 $signal->wait;
3460}
2512 3461
2513$TICK_WATCHER = Event->timer ( 3462$TICK_WATCHER = Event->timer (
2514 reentrant => 0, 3463 reentrant => 0,
2515 parked => 1, 3464 parked => 1,
2516 prio => 0, 3465 prio => 0,
2521 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3470 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522 unless ++$bug_warning > 10; 3471 unless ++$bug_warning > 10;
2523 return; 3472 return;
2524 } 3473 }
2525 3474
2526 $NOW = Event::time; 3475 $NOW = $tick_start = Event::time;
2527 3476
2528 cf::server_tick; # one server iteration 3477 cf::server_tick; # one server iteration
3478
2529 $RUNTIME += $TICK; 3479 $RUNTIME += $TICK;
2530 $NEXT_TICK += $TICK; 3480 $NEXT_TICK += $TICK;
2531 3481
2532 $WAIT_FOR_TICK->broadcast; 3482 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3483 $NEXT_RUNTIME_WRITE = $NOW + 10;
3484 Coro::async_pool {
3485 write_runtime
3486 or warn "ERROR: unable to write runtime file: $!";
3487 };
3488 }
2534 3489
2535# my $AFTER = Event::time; 3490 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2536# warn $AFTER - $NOW;#d# 3491 $sig->send;
3492 }
3493 while (my $sig = shift @WAIT_FOR_TICK) {
3494 $sig->send;
3495 }
3496
3497 $NOW = Event::time;
2537 3498
2538 # if we are delayed by four ticks or more, skip them all 3499 # if we are delayed by four ticks or more, skip them all
2539 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3500 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540 3501
2541 $TICK_WATCHER->at ($NEXT_TICK); 3502 $TICK_WATCHER->at ($NEXT_TICK);
2542 $TICK_WATCHER->start; 3503 $TICK_WATCHER->start;
3504
3505 $LOAD = ($NOW - $tick_start) / $TICK;
3506 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3507
3508 _post_tick;
2543 }, 3509 },
2544); 3510);
2545 3511
2546{ 3512{
3513 BDB::min_parallel 8;
2547 BDB::max_poll_time $TICK * 0.1; 3514 BDB::max_poll_time $TICK * 0.1;
2548 $BDB_POLL_WATCHER = Event->io ( 3515 $BDB_POLL_WATCHER = Event->io (
2549 reentrant => 0, 3516 reentrant => 0,
2550 fd => BDB::poll_fileno, 3517 fd => BDB::poll_fileno,
2551 poll => 'r', 3518 poll => 'r',
2552 prio => 0, 3519 prio => 0,
2553 data => WF_AUTOCANCEL, 3520 data => WF_AUTOCANCEL,
2554 cb => \&BDB::poll_cb, 3521 cb => \&BDB::poll_cb,
2555 ); 3522 );
2556 BDB::min_parallel 8;
2557 3523
2558 BDB::set_sync_prepare { 3524 BDB::set_sync_prepare {
2559 my $status; 3525 my $status;
2560 my $current = $Coro::current; 3526 my $current = $Coro::current;
2561 ( 3527 (
2570 ) 3536 )
2571 }; 3537 };
2572 3538
2573 unless ($DB_ENV) { 3539 unless ($DB_ENV) {
2574 $DB_ENV = BDB::db_env_create; 3540 $DB_ENV = BDB::db_env_create;
3541 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3542 | BDB::LOG_AUTOREMOVE, 1);
3543 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3544 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2575 3545
2576 cf::sync_job { 3546 cf::sync_job {
2577 eval { 3547 eval {
2578 BDB::db_env_open 3548 BDB::db_env_open
2579 $DB_ENV, 3549 $DB_ENV,
2580 $BDB_ENV_DIR, 3550 $BDBDIR,
2581 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3551 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3552 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583 0666; 3553 0666;
2584 3554
2585 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3555 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586
2587 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2588 $DB_ENV->set_lk_detect;
2589 }; 3556 };
2590 3557
2591 cf::cleanup "db_env_open(db): $@" if $@; 3558 cf::cleanup "db_env_open(db): $@" if $@;
2592 }; 3559 };
2593 } 3560 }
3561
3562 $BDB_DEADLOCK_WATCHER = Event->timer (
3563 after => 3,
3564 interval => 1,
3565 hard => 1,
3566 prio => 0,
3567 data => WF_AUTOCANCEL,
3568 cb => sub {
3569 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3570 },
3571 );
3572 $BDB_CHECKPOINT_WATCHER = Event->timer (
3573 after => 11,
3574 interval => 60,
3575 hard => 1,
3576 prio => 0,
3577 data => WF_AUTOCANCEL,
3578 cb => sub {
3579 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3580 },
3581 );
3582 $BDB_TRICKLE_WATCHER = Event->timer (
3583 after => 5,
3584 interval => 10,
3585 hard => 1,
3586 prio => 0,
3587 data => WF_AUTOCANCEL,
3588 cb => sub {
3589 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3590 },
3591 );
2594} 3592}
2595 3593
2596{ 3594{
2597 IO::AIO::min_parallel 8; 3595 IO::AIO::min_parallel 8;
2598 3596
2599 undef $Coro::AIO::WATCHER; 3597 undef $Coro::AIO::WATCHER;
2600 IO::AIO::max_poll_time $TICK * 0.1; 3598 IO::AIO::max_poll_time $TICK * 0.1;
2601 $AIO_POLL_WATCHER = Event->io ( 3599 $AIO_POLL_WATCHER = Event->io (
2602 reentrant => 0, 3600 reentrant => 0,
3601 data => WF_AUTOCANCEL,
2603 fd => IO::AIO::poll_fileno, 3602 fd => IO::AIO::poll_fileno,
2604 poll => 'r', 3603 poll => 'r',
2605 prio => 6, 3604 prio => 6,
2606 data => WF_AUTOCANCEL,
2607 cb => \&IO::AIO::poll_cb, 3605 cb => \&IO::AIO::poll_cb,
2608 ); 3606 );
2609} 3607}
2610 3608
2611$WRITE_RUNTIME_WATCHER = Event->timer ( 3609my $_log_backtrace;
2612 reentrant => 0,
2613 data => WF_AUTOCANCEL,
2614 parked => 1,
2615 after => 1,
2616 interval => 10,
2617 prio => 6, # keep it lowest so it acts like a watchdog
2618 cb => sub {
2619 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620 3610
2621 Coro::async_pool { 3611sub _log_backtrace {
2622 write_runtime 3612 my ($msg, @addr) = @_;
2623 or warn "ERROR: unable to write runtime file: $!"; 3613
3614 $msg =~ s/\n//;
3615
3616 # limit the # of concurrent backtraces
3617 if ($_log_backtrace < 2) {
3618 ++$_log_backtrace;
3619 async {
3620 my @bt = fork_call {
3621 @addr = map { sprintf "%x", $_ } @addr;
3622 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3623 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3624 or die "addr2line: $!";
3625
3626 my @funcs;
3627 my @res = <$fh>;
3628 chomp for @res;
3629 while (@res) {
3630 my ($func, $line) = splice @res, 0, 2, ();
3631 push @funcs, "[$func] $line";
3632 }
3633
3634 @funcs
3635 };
3636
3637 LOG llevInfo, "[ABT] $msg\n";
3638 LOG llevInfo, "[ABT] $_\n" for @bt;
3639 --$_log_backtrace;
2624 }; 3640 };
3641 } else {
3642 LOG llevInfo, "[ABT] $msg\n";
3643 LOG llevInfo, "[ABT] [suppressed]\n";
2625 }, 3644 }
2626); 3645}
3646
3647# load additional modules
3648use cf::pod;
2627 3649
2628END { cf::emergency_save } 3650END { cf::emergency_save }
2629 3651
26301 36521
2631 3653

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