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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.235 by root, Tue Apr 10 09:35:23 2007 UTC vs.
Revision 1.403 by root, Mon Dec 17 07:09:18 2007 UTC

… …
3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event; 9use EV;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable ();
13 14
14use Coro 3.52 (); 15use Coro 4.32 ();
15use Coro::State; 16use Coro::State;
17use Coro::Handle;
16use Coro::Event; 18use Coro::EV;
17use Coro::Timer; 19use Coro::Timer;
18use Coro::Signal; 20use Coro::Signal;
19use Coro::Semaphore; 21use Coro::Semaphore;
20use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
24use Coro::Storable;
25use Coro::Util ();
21 26
27use JSON::XS 2.01 ();
22use BDB (); 28use BDB ();
23use Data::Dumper; 29use Data::Dumper;
24use Digest::MD5; 30use Digest::MD5;
25use Fcntl; 31use Fcntl;
26use YAML::Syck (); 32use YAML::Syck ();
27use IO::AIO 2.32 (); 33use IO::AIO 2.51 ();
28use Time::HiRes; 34use Time::HiRes;
29use Compress::LZF; 35use Compress::LZF;
36use Digest::MD5 ();
30 37
31# configure various modules to our taste 38# configure various modules to our taste
32# 39#
40$Storable::canonical = 1; # reduce rsync transfers
33Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35 43
36$Event::Eval = 1; # no idea why this is required, but it is
37
38# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 44# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39$YAML::Syck::ImplicitUnicode = 1; 45$YAML::Syck::ImplicitUnicode = 1;
40 46
41$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 47$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42 48
… …
45our %COMMAND = (); 51our %COMMAND = ();
46our %COMMAND_TIME = (); 52our %COMMAND_TIME = ();
47 53
48our @EXTS = (); # list of extension package names 54our @EXTS = (); # list of extension package names
49our %EXTCMD = (); 55our %EXTCMD = ();
56our %EXTICMD = ();
50our %EXT_CORO = (); # coroutines bound to extensions 57our %EXT_CORO = (); # coroutines bound to extensions
51our %EXT_MAP = (); # pluggable maps 58our %EXT_MAP = (); # pluggable maps
52 59
53our $RELOAD; # number of reloads so far 60our $RELOAD; # number of reloads so far
54our @EVENT; 61our @EVENT;
55our $LIBDIR = datadir . "/ext";
56 62
57our $TICK = MAX_TIME * 1e-6; 63our $CONFDIR = confdir;
64our $DATADIR = datadir;
65our $LIBDIR = "$DATADIR/ext";
66our $PODDIR = "$DATADIR/pod";
67our $MAPDIR = "$DATADIR/" . mapdir;
68our $LOCALDIR = localdir;
69our $TMPDIR = "$LOCALDIR/" . tmpdir;
70our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72our $RANDOMDIR = "$LOCALDIR/random";
73our $BDBDIR = "$LOCALDIR/db";
74
75our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58our $TICK_WATCHER; 76our $TICK_WATCHER;
59our $AIO_POLL_WATCHER; 77our $AIO_POLL_WATCHER;
60our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 78our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61our $NEXT_TICK; 79our $NEXT_TICK;
62our $NOW;
63our $USE_FSYNC = 1; # use fsync to write maps - default off 80our $USE_FSYNC = 1; # use fsync to write maps - default off
64 81
65our $BDB_POLL_WATCHER; 82our $BDB_POLL_WATCHER;
83our $BDB_DEADLOCK_WATCHER;
84our $BDB_CHECKPOINT_WATCHER;
85our $BDB_TRICKLE_WATCHER;
66our $DB_ENV; 86our $DB_ENV;
67 87
68our %CFG; 88our %CFG;
69 89
70our $UPTIME; $UPTIME ||= time; 90our $UPTIME; $UPTIME ||= time;
71our $RUNTIME; 91our $RUNTIME;
92our $NOW;
72 93
73our %PLAYER; # all users 94our (%PLAYER, %PLAYER_LOADING); # all users
74our %MAP; # all maps 95our (%MAP, %MAP_LOADING ); # all maps
75our $LINK_MAP; # the special {link} map, which is always available 96our $LINK_MAP; # the special {link} map, which is always available
76our $RANDOM_MAPS = cf::localdir . "/random";
77our $BDB_ENV_DIR = cf::localdir . "/db";
78
79our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81 97
82# used to convert map paths into valid unix filenames by replacing / by ∕ 98# used to convert map paths into valid unix filenames by replacing / by ∕
83our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 99our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84 100
101our $LOAD; # a number between 0 (idle) and 1 (too many objects)
102our $LOADAVG; # same thing, but with alpha-smoothing
103our $tick_start; # for load detecting purposes
104
85binmode STDOUT; 105binmode STDOUT;
86binmode STDERR; 106binmode STDERR;
87 107
88# read virtual server time, if available 108# read virtual server time, if available
89unless ($RUNTIME || !-e cf::localdir . "/runtime") { 109unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90 open my $fh, "<", cf::localdir . "/runtime" 110 open my $fh, "<", "$LOCALDIR/runtime"
91 or die "unable to read runtime file: $!"; 111 or die "unable to read runtime file: $!";
92 $RUNTIME = <$fh> + 0.; 112 $RUNTIME = <$fh> + 0.;
93} 113}
94 114
95mkdir cf::localdir; 115mkdir $_
96mkdir cf::localdir . "/" . cf::playerdir; 116 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97mkdir cf::localdir . "/" . cf::tmpdir;
98mkdir cf::localdir . "/" . cf::uniquedir;
99mkdir $RANDOM_MAPS;
100mkdir $BDB_ENV_DIR;
101 117
102our $EMERGENCY_POSITION; 118our $EMERGENCY_POSITION;
103 119
104sub cf::map::normalise; 120sub cf::map::normalise;
105 121
… …
116=item $cf::RUNTIME 132=item $cf::RUNTIME
117 133
118The time this server has run, starts at 0 and is increased by $cf::TICK on 134The time this server has run, starts at 0 and is increased by $cf::TICK on
119every server tick. 135every server tick.
120 136
121=item $cf::LIBDIR 137=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
138$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
139$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122 140
123The perl library directory, where extensions and cf-specific modules can 141Various directories - "/etc", read-only install directory, perl-library
124be found. It will be added to C<@INC> automatically. 142directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
143unique-items directory, player file directory, random maps directory and
144database environment.
125 145
126=item $cf::NOW 146=item $cf::NOW
127 147
128The time of the last (current) server tick. 148The time of the last (current) server tick.
129 149
130=item $cf::TICK 150=item $cf::TICK
131 151
132The interval between server ticks, in seconds. 152The interval between server ticks, in seconds.
133 153
154=item $cf::LOADAVG
155
156The current CPU load on the server (alpha-smoothed), as a value between 0
157(none) and 1 (overloaded), indicating how much time is spent on processing
158objects per tick. Healthy values are < 0.5.
159
160=item $cf::LOAD
161
162The raw value load value from the last tick.
163
134=item %cf::CFG 164=item %cf::CFG
135 165
136Configuration for the server, loaded from C</etc/crossfire/config>, or 166Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137from wherever your confdir points to. 167from wherever your confdir points to.
138 168
139=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 169=item cf::wait_for_tick, cf::wait_for_tick_begin
140 170
141These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 171These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 172returns directly I<after> the tick processing (and consequently, can only wake one process
143processing has been done. Call C<< ->wait >> on them to maximise the 173per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144window of cpu time available, or simply to synchronise to the server tick. 174
175=item @cf::INVOKE_RESULTS
176
177This array contains the results of the last C<invoke ()> call. When
178C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
179that call.
145 180
146=back 181=back
147 182
148=cut 183=cut
149 184
150BEGIN { 185BEGIN {
151 *CORE::GLOBAL::warn = sub { 186 *CORE::GLOBAL::warn = sub {
152 my $msg = join "", @_; 187 my $msg = join "", @_;
153 utf8::encode $msg;
154 188
155 $msg .= "\n" 189 $msg .= "\n"
156 unless $msg =~ /\n$/; 190 unless $msg =~ /\n$/;
191
192 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157 193
158 LOG llevError, $msg; 194 LOG llevError, $msg;
159 }; 195 };
160} 196}
161 197
162@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 198@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 199@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 200@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 201@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 202@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
203@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 204@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168 205
169# we bless all objects into (empty) derived classes to force a method lookup 206# we bless all objects into (empty) derived classes to force a method lookup
170# within the Safe compartment. 207# within the Safe compartment.
171for my $pkg (qw( 208for my $pkg (qw(
172 cf::global cf::attachable 209 cf::global cf::attachable
… …
177)) { 214)) {
178 no strict 'refs'; 215 no strict 'refs';
179 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 216 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180} 217}
181 218
182$Event::DIED = sub { 219$EV::DIED = sub {
183 warn "error in event callback: @_"; 220 warn "error in event callback: @_";
184}; 221};
222
223#############################################################################
185 224
186=head2 UTILITY FUNCTIONS 225=head2 UTILITY FUNCTIONS
187 226
188=over 4 227=over 4
189 228
… …
208 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 247 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209 $d 248 $d
210 } || "[unable to dump $_[0]: '$@']"; 249 } || "[unable to dump $_[0]: '$@']";
211} 250}
212 251
213use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215=item $ref = cf::from_json $json 252=item $ref = cf::decode_json $json
216 253
217Converts a JSON string into the corresponding perl data structure. 254Converts a JSON string into the corresponding perl data structure.
218 255
219=item $json = cf::to_json $ref 256=item $json = cf::encode_json $ref
220 257
221Converts a perl data structure into its JSON representation. 258Converts a perl data structure into its JSON representation.
259
260=cut
261
262our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
263
264sub encode_json($) { $json_coder->encode ($_[0]) }
265sub decode_json($) { $json_coder->decode ($_[0]) }
222 266
223=item cf::lock_wait $string 267=item cf::lock_wait $string
224 268
225Wait until the given lock is available. See cf::lock_acquire. 269Wait until the given lock is available. See cf::lock_acquire.
226 270
… …
229Wait until the given lock is available and then acquires it and returns 273Wait until the given lock is available and then acquires it and returns
230a Coro::guard object. If the guard object gets destroyed (goes out of scope, 274a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231for example when the coroutine gets canceled), the lock is automatically 275for example when the coroutine gets canceled), the lock is automatically
232returned. 276returned.
233 277
278Locks are *not* recursive, locking from the same coro twice results in a
279deadlocked coro.
280
234Lock names should begin with a unique identifier (for example, cf::map::find 281Lock names should begin with a unique identifier (for example, cf::map::find
235uses map_find and cf::map::load uses map_load). 282uses map_find and cf::map::load uses map_load).
236 283
284=item $locked = cf::lock_active $string
285
286Return true if the lock is currently active, i.e. somebody has locked it.
287
237=cut 288=cut
238 289
239our %LOCK; 290our %LOCK;
291our %LOCKER;#d#
240 292
241sub lock_wait($) { 293sub lock_wait($) {
242 my ($key) = @_; 294 my ($key) = @_;
295
296 if ($LOCKER{$key} == $Coro::current) {#d#
297 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
298 return;#d#
299 }#d#
243 300
244 # wait for lock, if any 301 # wait for lock, if any
245 while ($LOCK{$key}) { 302 while ($LOCK{$key}) {
246 push @{ $LOCK{$key} }, $Coro::current; 303 push @{ $LOCK{$key} }, $Coro::current;
247 Coro::schedule; 304 Coro::schedule;
… …
253 310
254 # wait, to be sure we are not locked 311 # wait, to be sure we are not locked
255 lock_wait $key; 312 lock_wait $key;
256 313
257 $LOCK{$key} = []; 314 $LOCK{$key} = [];
315 $LOCKER{$key} = $Coro::current;#d#
258 316
259 Coro::guard { 317 Coro::guard {
318 delete $LOCKER{$key};#d#
260 # wake up all waiters, to be on the safe side 319 # wake up all waiters, to be on the safe side
261 $_->ready for @{ delete $LOCK{$key} }; 320 $_->ready for @{ delete $LOCK{$key} };
262 } 321 }
322}
323
324sub lock_active($) {
325 my ($key) = @_;
326
327 ! ! $LOCK{$key}
263} 328}
264 329
265sub freeze_mainloop { 330sub freeze_mainloop {
266 return unless $TICK_WATCHER->is_active; 331 return unless $TICK_WATCHER->is_active;
267 332
… …
270 }; 335 };
271 $TICK_WATCHER->stop; 336 $TICK_WATCHER->stop;
272 $guard 337 $guard
273} 338}
274 339
340=item cf::periodic $interval, $cb
341
342Like EV::periodic, but randomly selects a starting point so that the actions
343get spread over timer.
344
345=cut
346
347sub periodic($$) {
348 my ($interval, $cb) = @_;
349
350 my $start = rand List::Util::min 180, $interval;
351
352 EV::periodic $start, $interval, 0, $cb
353}
354
355=item cf::get_slot $time[, $priority[, $name]]
356
357Allocate $time seconds of blocking CPU time at priority C<$priority>:
358This call blocks and returns only when you have at least C<$time> seconds
359of cpu time till the next tick. The slot is only valid till the next cede.
360
361The optional C<$name> can be used to identify the job to run. It might be
362used for statistical purposes and should identify the same time-class.
363
364Useful for short background jobs.
365
366=cut
367
368our @SLOT_QUEUE;
369our $SLOT_QUEUE;
370
371$SLOT_QUEUE->cancel if $SLOT_QUEUE;
372$SLOT_QUEUE = Coro::async {
373 $Coro::current->desc ("timeslot manager");
374
375 my $signal = new Coro::Signal;
376
377 while () {
378 next_job:
379 my $avail = cf::till_tick;
380 if ($avail > 0.01) {
381 for (0 .. $#SLOT_QUEUE) {
382 if ($SLOT_QUEUE[$_][0] < $avail) {
383 my $job = splice @SLOT_QUEUE, $_, 1, ();
384 $job->[2]->send;
385 Coro::cede;
386 goto next_job;
387 }
388 }
389 }
390
391 if (@SLOT_QUEUE) {
392 # we do not use wait_for_tick() as it returns immediately when tick is inactive
393 push @cf::WAIT_FOR_TICK, $signal;
394 $signal->wait;
395 } else {
396 Coro::schedule;
397 }
398 }
399};
400
401sub get_slot($;$$) {
402 my ($time, $pri, $name) = @_;
403
404 $time = $TICK * .6 if $time > $TICK * .6;
405 my $sig = new Coro::Signal;
406
407 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
408 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
409 $SLOT_QUEUE->ready;
410 $sig->wait;
411}
412
275=item cf::async { BLOCK } 413=item cf::async { BLOCK }
276 414
277Currently the same as Coro::async_pool, meaning you cannot use 415Currently the same as Coro::async_pool, meaning you cannot use
278C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 416C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279thing you are allowed to do is call C<prio> on it. 417thing you are allowed to do is call C<prio> on it.
… …
282 420
283BEGIN { *async = \&Coro::async_pool } 421BEGIN { *async = \&Coro::async_pool }
284 422
285=item cf::sync_job { BLOCK } 423=item cf::sync_job { BLOCK }
286 424
287The design of crossfire+ requires that the main coro ($Coro::main) is 425The design of Deliantra requires that the main coroutine ($Coro::main)
288always able to handle events or runnable, as crossfire+ is only partly 426is always able to handle events or runnable, as Deliantra is only
289reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 427partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
428acceptable.
290 429
291If it must be done, put the blocking parts into C<sync_job>. This will run 430If it must be done, put the blocking parts into C<sync_job>. This will run
292the given BLOCK in another coroutine while waiting for the result. The 431the given BLOCK in another coroutine while waiting for the result. The
293server will be frozen during this time, so the block should either finish 432server will be frozen during this time, so the block should either finish
294fast or be very important. 433fast or be very important.
… …
297 436
298sub sync_job(&) { 437sub sync_job(&) {
299 my ($job) = @_; 438 my ($job) = @_;
300 439
301 if ($Coro::current == $Coro::main) { 440 if ($Coro::current == $Coro::main) {
441 my $time = EV::time;
442
302 # this is the main coro, too bad, we have to block 443 # this is the main coro, too bad, we have to block
303 # till the operation succeeds, freezing the server :/ 444 # till the operation succeeds, freezing the server :/
304 445
446 LOG llevError, Carp::longmess "sync job";#d#
447
305 # TODO: use suspend/resume instead 448 # TODO: use suspend/resume instead
306 # (but this is cancel-safe) 449 # (but this is cancel-safe)
307 my $freeze_guard = freeze_mainloop; 450 my $freeze_guard = freeze_mainloop;
308 451
309 my $busy = 1; 452 my $busy = 1;
310 my @res; 453 my @res;
311 454
312 (async { 455 (async {
456 $Coro::current->desc ("sync job coro");
313 @res = eval { $job->() }; 457 @res = eval { $job->() };
314 warn $@ if $@; 458 warn $@ if $@;
315 undef $busy; 459 undef $busy;
316 })->prio (Coro::PRIO_MAX); 460 })->prio (Coro::PRIO_MAX);
317 461
318 while ($busy) { 462 while ($busy) {
319 Coro::cede or Event::one_event; 463 if (Coro::nready) {
464 Coro::cede_notself;
465 } else {
466 EV::loop EV::LOOP_ONESHOT;
320 } 467 }
468 }
469
470 $time = EV::time - $time;
471
472 LOG llevError | logBacktrace, Carp::longmess "long sync job"
473 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
474
475 $tick_start += $time; # do not account sync jobs to server load
321 476
322 wantarray ? @res : $res[0] 477 wantarray ? @res : $res[0]
323 } else { 478 } else {
324 # we are in another coroutine, how wonderful, everything just works 479 # we are in another coroutine, how wonderful, everything just works
325 480
… …
345 $EXT_CORO{$coro+0} = $coro; 500 $EXT_CORO{$coro+0} = $coro;
346 501
347 $coro 502 $coro
348} 503}
349 504
350sub write_runtime { 505=item fork_call { }, $args
351 my $guard = cf::lock_acquire "write_runtime";
352 506
353 my $runtime = cf::localdir . "/runtime"; 507Executes the given code block with the given arguments in a seperate
508process, returning the results. Everything must be serialisable with
509Coro::Storable. May, of course, block. Note that the executed sub may
510never block itself or use any form of event handling.
354 511
355 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 512=cut
356 or return;
357 513
358 my $value = $cf::RUNTIME + 90 + 10; 514sub fork_call(&@) {
359 # 10 is the runtime save interval, for a monotonic clock 515 my ($cb, @args) = @_;
360 # 60 allows for the watchdog to kill the server.
361 516
362 (aio_write $fh, 0, (length $value), $value, 0) <= 0 517 # we seemingly have to make a local copy of the whole thing,
363 and return; 518 # otherwise perl prematurely frees the stuff :/
519 # TODO: investigate and fix (likely this will be rather laborious)
364 520
365 # always fsync - this file is important 521 my @res = Coro::Util::fork_eval {
366 aio_fsync $fh 522 reset_signals;
367 and return; 523 &$cb
524 }, @args;
368 525
369 close $fh 526 wantarray ? @res : $res[-1]
370 or return; 527}
371 528
372 aio_rename "$runtime~", $runtime 529=item $value = cf::db_get $family => $key
373 and return;
374 530
531Returns a single value from the environment database.
532
533=item cf::db_put $family => $key => $value
534
535Stores the given C<$value> in the family. It can currently store binary
536data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
537
538=item $db = cf::db_table "name"
539
540Create and/or open a new database table. The string must not be "db" and must be unique
541within each server.
542
543=cut
544
545sub db_table($) {
546 my ($name) = @_;
547 my $db = BDB::db_create $DB_ENV;
548
549 eval {
550 $db->set_flags (BDB::CHKSUM);
551
552 utf8::encode $name;
553 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
554 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
555 cf::cleanup "db_open(db): $!" if $!;
556 };
557 cf::cleanup "db_open(db): $@" if $@;
558
559 $db
560}
561
562our $DB;
563
564sub db_init {
565 cf::sync_job {
566 $DB ||= db_table "db";
567 };
568}
569
570sub db_get($$) {
571 my $key = "$_[0]/$_[1]";
572
573 cf::sync_job {
574 BDB::db_get $DB, undef, $key, my $data;
575
576 $! ? ()
577 : $data
375 1 578 }
579}
580
581sub db_put($$$) {
582 BDB::dbreq_pri 4;
583 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
584}
585
586=item cf::cache $id => [$paths...], $processversion => $process
587
588Generic caching function that returns the value of the resource $id,
589caching and regenerating as required.
590
591This function can block.
592
593=cut
594
595sub cache {
596 my ($id, $src, $processversion, $process) = @_;
597
598 my $meta =
599 join "\x00",
600 $processversion,
601 map {
602 aio_stat $_
603 and Carp::croak "$_: $!";
604
605 ($_, (stat _)[7,9])
606 } @$src;
607
608 my $dbmeta = db_get cache => "$id/meta";
609 if ($dbmeta ne $meta) {
610 # changed, we may need to process
611
612 my @data;
613 my $md5;
614
615 for (0 .. $#$src) {
616 0 <= aio_load $src->[$_], $data[$_]
617 or Carp::croak "$src->[$_]: $!";
618 }
619
620 # if processing is expensive, check
621 # checksum first
622 if (1) {
623 $md5 =
624 join "\x00",
625 $processversion,
626 map {
627 cf::cede_to_tick;
628 ($src->[$_], Digest::MD5::md5_hex $data[$_])
629 } 0.. $#$src;
630
631
632 my $dbmd5 = db_get cache => "$id/md5";
633 if ($dbmd5 eq $md5) {
634 db_put cache => "$id/meta", $meta;
635
636 return db_get cache => "$id/data";
637 }
638 }
639
640 my $t1 = Time::HiRes::time;
641 my $data = $process->(\@data);
642 my $t2 = Time::HiRes::time;
643
644 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
645
646 db_put cache => "$id/data", $data;
647 db_put cache => "$id/md5" , $md5;
648 db_put cache => "$id/meta", $meta;
649
650 return $data;
651 }
652
653 db_get cache => "$id/data"
376} 654}
377 655
378=item cf::datalog type => key => value, ... 656=item cf::datalog type => key => value, ...
379 657
380Log a datalog packet of the given type with the given key-value pairs. 658Log a datalog packet of the given type with the given key-value pairs.
… …
398attach callbacks/event handlers (a collection of which is called an "attachment") 676attach callbacks/event handlers (a collection of which is called an "attachment")
399to it. All such attachable objects support the following methods. 677to it. All such attachable objects support the following methods.
400 678
401In the following description, CLASS can be any of C<global>, C<object> 679In the following description, CLASS can be any of C<global>, C<object>
402C<player>, C<client> or C<map> (i.e. the attachable objects in 680C<player>, C<client> or C<map> (i.e. the attachable objects in
403crossfire+). 681Deliantra).
404 682
405=over 4 683=over 4
406 684
407=item $attachable->attach ($attachment, key => $value...) 685=item $attachable->attach ($attachment, key => $value...)
408 686
… …
571 $registry = $CB_TYPE[$object_type] ||= []; 849 $registry = $CB_TYPE[$object_type] ||= [];
572 850
573 } elsif ($type eq "subtype") { 851 } elsif ($type eq "subtype") {
574 defined $object_type or Carp::croak "subtype specified without type"; 852 defined $object_type or Carp::croak "subtype specified without type";
575 my $object_subtype = shift @arg; 853 my $object_subtype = shift @arg;
576 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 854 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577 855
578 } elsif ($type eq "package") { 856 } elsif ($type eq "package") {
579 my $pkg = shift @arg; 857 my $pkg = shift @arg;
580 858
581 while (my ($name, $id) = each %cb_id) { 859 while (my ($name, $id) = each %cb_id) {
… …
610 _attach $registry, $klass, @attach; 888 _attach $registry, $klass, @attach;
611 } 889 }
612 890
613 $obj->{$name} = \%arg; 891 $obj->{$name} = \%arg;
614 } else { 892 } else {
615 warn "object uses attachment '$name' that is not available, postponing.\n"; 893 warn "object uses attachment '$name' which is not available, postponing.\n";
616 } 894 }
617 895
618 $obj->{_attachment}{$name} = undef; 896 $obj->{_attachment}{$name} = undef;
619} 897}
620 898
… …
622 if (ref $_[0]) { 900 if (ref $_[0]) {
623 _object_attach @_; 901 _object_attach @_;
624 } else { 902 } else {
625 _attach shift->_attach_registry, @_; 903 _attach shift->_attach_registry, @_;
626 } 904 }
905 _recalc_want;
627}; 906};
628 907
629# all those should be optimised 908# all those should be optimised
630sub cf::attachable::detach { 909sub cf::attachable::detach {
631 my ($obj, $name) = @_; 910 my ($obj, $name) = @_;
… …
634 delete $obj->{_attachment}{$name}; 913 delete $obj->{_attachment}{$name};
635 reattach ($obj); 914 reattach ($obj);
636 } else { 915 } else {
637 Carp::croak "cannot, currently, detach class attachments"; 916 Carp::croak "cannot, currently, detach class attachments";
638 } 917 }
918 _recalc_want;
639}; 919};
640 920
641sub cf::attachable::attached { 921sub cf::attachable::attached {
642 my ($obj, $name) = @_; 922 my ($obj, $name) = @_;
643 923
… …
658 "; 938 ";
659 die if $@; 939 die if $@;
660} 940}
661 941
662our $override; 942our $override;
663our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 943our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664 944
665sub override { 945sub override {
666 $override = 1; 946 $override = 1;
667 @invoke_results = (); 947 @INVOKE_RESULTS = (@_);
668} 948}
669 949
670sub do_invoke { 950sub do_invoke {
671 my $event = shift; 951 my $event = shift;
672 my $callbacks = shift; 952 my $callbacks = shift;
673 953
674 @invoke_results = (); 954 @INVOKE_RESULTS = ();
675 955
676 local $override; 956 local $override;
677 957
678 for (@$callbacks) { 958 for (@$callbacks) {
679 eval { &{$_->[1]} }; 959 eval { &{$_->[1]} };
… …
696 976
697Generate an object-specific event with the given arguments. 977Generate an object-specific event with the given arguments.
698 978
699This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 979This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700removed in future versions), and there is no public API to access override 980removed in future versions), and there is no public API to access override
701results (if you must, access C<@cf::invoke_results> directly). 981results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702 982
703=back 983=back
704 984
705=cut 985=cut
706 986
707############################################################################# 987#############################################################################
708# object support 988# object support
989
990sub _object_equal($$);
991sub _object_equal($$) {
992 my ($a, $b) = @_;
993
994 return 0 unless (ref $a) eq (ref $b);
995
996 if ("HASH" eq ref $a) {
997 my @ka = keys %$a;
998 my @kb = keys %$b;
999
1000 return 0 if @ka != @kb;
1001
1002 for (0 .. $#ka) {
1003 return 0 unless $ka[$_] eq $kb[$_];
1004 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1005 }
1006
1007 } elsif ("ARRAY" eq ref $a) {
1008
1009 return 0 if @$a != @$b;
1010
1011 for (0 .. $#$a) {
1012 return 0 unless _object_equal $a->[$_], $b->[$_];
1013 }
1014
1015 } elsif ($a ne $b) {
1016 return 0;
1017 }
1018
1019 1
1020}
1021
1022our $SLOW_MERGES;#d#
1023sub _can_merge {
1024 my ($ob1, $ob2) = @_;
1025
1026 ++$SLOW_MERGES;#d#
1027
1028 # we do the slow way here
1029 return _object_equal $ob1, $ob2
1030}
709 1031
710sub reattach { 1032sub reattach {
711 # basically do the same as instantiate, without calling instantiate 1033 # basically do the same as instantiate, without calling instantiate
712 my ($obj) = @_; 1034 my ($obj) = @_;
713 1035
… …
734cf::attachable->attach ( 1056cf::attachable->attach (
735 prio => -1000000, 1057 prio => -1000000,
736 on_instantiate => sub { 1058 on_instantiate => sub {
737 my ($obj, $data) = @_; 1059 my ($obj, $data) = @_;
738 1060
739 $data = from_json $data; 1061 $data = decode_json $data;
740 1062
741 for (@$data) { 1063 for (@$data) {
742 my ($name, $args) = @$_; 1064 my ($name, $args) = @$_;
743 1065
744 $obj->attach ($name, %{$args || {} }); 1066 $obj->attach ($name, %{$args || {} });
… …
760sub object_freezer_save { 1082sub object_freezer_save {
761 my ($filename, $rdata, $objs) = @_; 1083 my ($filename, $rdata, $objs) = @_;
762 1084
763 sync_job { 1085 sync_job {
764 if (length $$rdata) { 1086 if (length $$rdata) {
1087 utf8::decode (my $decname = $filename);
765 warn sprintf "saving %s (%d,%d)\n", 1088 warn sprintf "saving %s (%d,%d)\n",
766 $filename, length $$rdata, scalar @$objs; 1089 $decname, length $$rdata, scalar @$objs;
767 1090
768 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1091 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769 chmod SAVE_MODE, $fh; 1092 chmod SAVE_MODE, $fh;
770 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1093 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771 aio_fsync $fh if $cf::USE_FSYNC; 1094 aio_fsync $fh if $cf::USE_FSYNC;
772 close $fh; 1095 close $fh;
773 1096
774 if (@$objs) { 1097 if (@$objs) {
775 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1098 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776 chmod SAVE_MODE, $fh; 1099 chmod SAVE_MODE, $fh;
777 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1100 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778 aio_write $fh, 0, (length $data), $data, 0; 1101 aio_write $fh, 0, (length $data), $data, 0;
779 aio_fsync $fh if $cf::USE_FSYNC; 1102 aio_fsync $fh if $cf::USE_FSYNC;
780 close $fh; 1103 close $fh;
781 aio_rename "$filename.pst~", "$filename.pst"; 1104 aio_rename "$filename.pst~", "$filename.pst";
782 } 1105 }
… …
790 } 1113 }
791 } else { 1114 } else {
792 aio_unlink $filename; 1115 aio_unlink $filename;
793 aio_unlink "$filename.pst"; 1116 aio_unlink "$filename.pst";
794 } 1117 }
795 } 1118 };
796} 1119}
797 1120
798sub object_freezer_as_string { 1121sub object_freezer_as_string {
799 my ($rdata, $objs) = @_; 1122 my ($rdata, $objs) = @_;
800 1123
… …
812 or return; 1135 or return;
813 1136
814 unless (aio_stat "$filename.pst") { 1137 unless (aio_stat "$filename.pst") {
815 (aio_load "$filename.pst", $av) >= 0 1138 (aio_load "$filename.pst", $av) >= 0
816 or return; 1139 or return;
1140
817 $av = eval { (Storable::thaw $av)->{objs} }; 1141 my $st = eval { Coro::Storable::thaw $av };
1142 $av = $st->{objs};
818 } 1143 }
819 1144
1145 utf8::decode (my $decname = $filename);
820 warn sprintf "loading %s (%d)\n", 1146 warn sprintf "loading %s (%d,%d)\n",
821 $filename, length $data, scalar @{$av || []};#d# 1147 $decname, length $data, scalar @{$av || []};
1148
822 return ($data, $av); 1149 ($data, $av)
823} 1150}
1151
1152=head2 COMMAND CALLBACKS
1153
1154=over 4
1155
1156=cut
824 1157
825############################################################################# 1158#############################################################################
826# command handling &c 1159# command handling &c
827 1160
828=item cf::register_command $name => \&callback($ob,$args); 1161=item cf::register_command $name => \&callback($ob,$args);
… …
841 push @{ $COMMAND{$name} }, [$caller, $cb]; 1174 push @{ $COMMAND{$name} }, [$caller, $cb];
842} 1175}
843 1176
844=item cf::register_extcmd $name => \&callback($pl,$packet); 1177=item cf::register_extcmd $name => \&callback($pl,$packet);
845 1178
846Register a callbackf ro execution when the client sends an extcmd packet. 1179Register a callback for execution when the client sends an (synchronous)
1180extcmd packet. Ext commands will be processed in the order they are
1181received by the server, like other user commands. The first argument is
1182the logged-in player. Ext commands can only be processed after a player
1183has logged in successfully.
847 1184
848If the callback returns something, it is sent back as if reply was being 1185If the callback returns something, it is sent back as if reply was being
849called. 1186called.
850 1187
1188=item cf::register_exticmd $name => \&callback($ns,$packet);
1189
1190Register a callback for execution when the client sends an (asynchronous)
1191exticmd packet. Exti commands are processed by the server as soon as they
1192are received, i.e. out of order w.r.t. other commands. The first argument
1193is a client socket. Exti commands can be received anytime, even before
1194log-in.
1195
1196If the callback returns something, it is sent back as if reply was being
1197called.
1198
851=cut 1199=cut
852 1200
853sub register_extcmd { 1201sub register_extcmd {
854 my ($name, $cb) = @_; 1202 my ($name, $cb) = @_;
855 1203
856 $EXTCMD{$name} = $cb; 1204 $EXTCMD{$name} = $cb;
1205}
1206
1207sub register_exticmd {
1208 my ($name, $cb) = @_;
1209
1210 $EXTICMD{$name} = $cb;
857} 1211}
858 1212
859cf::player->attach ( 1213cf::player->attach (
860 on_command => sub { 1214 on_command => sub {
861 my ($pl, $name, $params) = @_; 1215 my ($pl, $name, $params) = @_;
… …
870 cf::override; 1224 cf::override;
871 }, 1225 },
872 on_extcmd => sub { 1226 on_extcmd => sub {
873 my ($pl, $buf) = @_; 1227 my ($pl, $buf) = @_;
874 1228
875 my $msg = eval { from_json $buf }; 1229 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876 1230
877 if (ref $msg) { 1231 if (ref $msg) {
1232 my ($type, $reply, @payload) =
1233 "ARRAY" eq ref $msg
1234 ? @$msg
1235 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1236
1237 my @reply;
1238
878 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1239 if (my $cb = $EXTCMD{$type}) {
879 if (my %reply = $cb->($pl, $msg)) { 1240 @reply = $cb->($pl, @payload);
880 $pl->ext_reply ($msg->{msgid}, %reply);
881 }
882 } 1241 }
1242
1243 $pl->ext_reply ($reply, @reply)
1244 if $reply;
1245
883 } else { 1246 } else {
884 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1247 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885 } 1248 }
886 1249
887 cf::override; 1250 cf::override;
888 }, 1251 },
889); 1252);
890 1253
891sub load_extension {
892 my ($path) = @_;
893
894 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
895 my $base = $1;
896 my $pkg = $1;
897 $pkg =~ s/[^[:word:]]/_/g;
898 $pkg = "ext::$pkg";
899
900 warn "... loading '$path' into '$pkg'\n";
901
902 open my $fh, "<:utf8", $path
903 or die "$path: $!";
904
905 my $source =
906 "package $pkg; use strict; use utf8;\n"
907 . "#line 1 \"$path\"\n{\n"
908 . (do { local $/; <$fh> })
909 . "\n};\n1";
910
911 unless (eval $source) {
912 my $msg = $@ ? "$path: $@\n"
913 : "extension disabled.\n";
914 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915 warn $@;
916 warn "mandatory extension failed to load, exiting.\n";
917 exit 1;
918 }
919 die $@;
920 }
921
922 push @EXTS, $pkg;
923}
924
925sub load_extensions { 1254sub load_extensions {
1255 cf::sync_job {
1256 my %todo;
1257
926 for my $ext (<$LIBDIR/*.ext>) { 1258 for my $path (<$LIBDIR/*.ext>) {
927 next unless -r $ext; 1259 next unless -r $path;
928 eval { 1260
929 load_extension $ext; 1261 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1262 my $base = $1;
1263 my $pkg = $1;
1264 $pkg =~ s/[^[:word:]]/_/g;
1265 $pkg = "ext::$pkg";
1266
1267 open my $fh, "<:utf8", $path
1268 or die "$path: $!";
1269
1270 my $source = do { local $/; <$fh> };
1271
1272 my %ext = (
1273 path => $path,
1274 base => $base,
1275 pkg => $pkg,
1276 );
1277
1278 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1279 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1280
1281 $ext{source} =
1282 "package $pkg; use strict; use utf8;\n"
1283 . "#line 1 \"$path\"\n{\n"
1284 . $source
1285 . "\n};\n1";
1286
1287 $todo{$base} = \%ext;
1288 }
1289
1290 my %done;
1291 while (%todo) {
1292 my $progress;
1293
1294 while (my ($k, $v) = each %todo) {
1295 for (split /,\s*/, $v->{meta}{depends}) {
1296 goto skip
1297 unless exists $done{$_};
1298 }
1299
1300 warn "... loading '$k' into '$v->{pkg}'\n";
1301
1302 unless (eval $v->{source}) {
1303 my $msg = $@ ? "$v->{path}: $@\n"
1304 : "$v->{base}: extension inactive.\n";
1305
1306 if (exists $v->{meta}{mandatory}) {
1307 warn $msg;
1308 warn "mandatory extension failed to load, exiting.\n";
1309 exit 1;
1310 }
1311
1312 warn $msg;
1313 }
1314
1315 $done{$k} = delete $todo{$k};
1316 push @EXTS, $v->{pkg};
1317 $progress = 1;
930 1 1318 }
931 } or warn "$ext not loaded: $@"; 1319
1320 skip:
1321 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1322 unless $progress;
1323 }
932 } 1324 };
933} 1325}
934 1326
935############################################################################# 1327#############################################################################
936 1328
1329=back
1330
937=head2 CORE EXTENSIONS 1331=head2 CORE EXTENSIONS
938 1332
939Functions and methods that extend core crossfire objects. 1333Functions and methods that extend core crossfire objects.
940 1334
941=cut 1335=cut
… …
946 1340
947=head3 cf::player 1341=head3 cf::player
948 1342
949=over 4 1343=over 4
950 1344
1345=item cf::player::num_playing
1346
1347Returns the official number of playing players, as per the Crossfire metaserver rules.
1348
1349=cut
1350
1351sub num_playing {
1352 scalar grep
1353 $_->ob->map
1354 && !$_->hidden
1355 && !$_->ob->flag (cf::FLAG_WIZ),
1356 cf::player::list
1357}
1358
951=item cf::player::find $login 1359=item cf::player::find $login
952 1360
953Returns the given player object, loading it if necessary (might block). 1361Returns the given player object, loading it if necessary (might block).
954 1362
955=cut 1363=cut
956 1364
957sub playerdir($) { 1365sub playerdir($) {
958 cf::localdir 1366 "$PLAYERDIR/"
959 . "/"
960 . cf::playerdir
961 . "/"
962 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1367 . (ref $_[0] ? $_[0]->ob->name : $_[0])
963} 1368}
964 1369
965sub path($) { 1370sub path($) {
966 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1371 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
… …
993 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1398 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
994 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1399 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
995 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1400 aio_unlink +(playerdir $login) . "/$login.pl.pst";
996 aio_unlink +(playerdir $login) . "/$login.pl"; 1401 aio_unlink +(playerdir $login) . "/$login.pl";
997 1402
998 my $pl = load_pl path $login 1403 my $f = new_from_file cf::object::thawer path $login
999 or return; 1404 or return;
1405
1406 my $pl = cf::player::load_pl $f
1407 or return;
1408 local $cf::PLAYER_LOADING{$login} = $pl;
1409 $f->resolve_delayed_derefs;
1000 $cf::PLAYER{$login} = $pl 1410 $cf::PLAYER{$login} = $pl
1001 } 1411 }
1002 } 1412 }
1003} 1413}
1004 1414
… …
1014 1424
1015 aio_mkdir playerdir $pl, 0770; 1425 aio_mkdir playerdir $pl, 0770;
1016 $pl->{last_save} = $cf::RUNTIME; 1426 $pl->{last_save} = $cf::RUNTIME;
1017 1427
1018 $pl->save_pl ($path); 1428 $pl->save_pl ($path);
1019 Coro::cede; 1429 cf::cede_to_tick;
1020} 1430}
1021 1431
1022sub new($) { 1432sub new($) {
1023 my ($login) = @_; 1433 my ($login) = @_;
1024 1434
… …
1028 $self->{deny_save} = 1; 1438 $self->{deny_save} = 1;
1029 1439
1030 $cf::PLAYER{$login} = $self; 1440 $cf::PLAYER{$login} = $self;
1031 1441
1032 $self 1442 $self
1443}
1444
1445=item $player->send_msg ($channel, $msg, $color, [extra...])
1446
1447=cut
1448
1449sub send_msg {
1450 my $ns = shift->ns
1451 or return;
1452 $ns->send_msg (@_);
1033} 1453}
1034 1454
1035=item $pl->quit_character 1455=item $pl->quit_character
1036 1456
1037Nukes the player without looking back. If logged in, the connection will 1457Nukes the player without looking back. If logged in, the connection will
… …
1086while and may block, so not sync_job-capable, ever. 1506while and may block, so not sync_job-capable, ever.
1087 1507
1088=cut 1508=cut
1089 1509
1090sub list_logins { 1510sub list_logins {
1091 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1511 my $dirs = aio_readdir $PLAYERDIR
1092 or return []; 1512 or return [];
1093 1513
1094 my @logins; 1514 my @logins;
1095 1515
1096 for my $login (@$dirs) { 1516 for my $login (@$dirs) {
1517 my $path = path $login;
1518
1519 # a .pst is a dead give-away for a valid player
1520 unless (-e "$path.pst") {
1097 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1521 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1098 aio_read $fh, 0, 512, my $buf, 0 or next; 1522 aio_read $fh, 0, 512, my $buf, 0 or next;
1099 $buf !~ /^password -------------$/m or next; # official not-valid tag 1523 $buf !~ /^password -------------$/m or next; # official not-valid tag
1524 }
1100 1525
1101 utf8::decode $login; 1526 utf8::decode $login;
1102 push @logins, $login; 1527 push @logins, $login;
1103 } 1528 }
1104 1529
… …
1131 } 1556 }
1132 1557
1133 \@paths 1558 \@paths
1134} 1559}
1135 1560
1561=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1562
1563Expand crossfire pod fragments into protocol xml.
1564
1565=cut
1566
1567use re 'eval';
1568
1569my $group;
1570my $interior; $interior = qr{
1571 # match a pod interior sequence sans C<< >>
1572 (?:
1573 \ (.*?)\ (?{ $group = $^N })
1574 | < (??{$interior}) >
1575 )
1576}x;
1577
1578sub expand_cfpod {
1579 my ($self, $pod) = @_;
1580
1581 my $xml;
1582
1583 while () {
1584 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1585 $group = $1;
1586
1587 $group =~ s/&/&amp;/g;
1588 $group =~ s/</&lt;/g;
1589
1590 $xml .= $group;
1591 } elsif ($pod =~ m%\G
1592 ([BCGHITU])
1593 <
1594 (?:
1595 ([^<>]*) (?{ $group = $^N })
1596 | < $interior >
1597 )
1598 >
1599 %gcsx
1600 ) {
1601 my ($code, $data) = ($1, $group);
1602
1603 if ($code eq "B") {
1604 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1605 } elsif ($code eq "I") {
1606 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1607 } elsif ($code eq "U") {
1608 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1609 } elsif ($code eq "C") {
1610 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1611 } elsif ($code eq "T") {
1612 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1613 } elsif ($code eq "G") {
1614 my ($male, $female) = split /\|/, $data;
1615 $data = $self->gender ? $female : $male;
1616 $xml .= expand_cfpod ($self, $data);
1617 } elsif ($code eq "H") {
1618 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1619 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1620 "")
1621 [$self->{hintmode}];
1622 } else {
1623 $xml .= "error processing '$code($data)' directive";
1624 }
1625 } else {
1626 if ($pod =~ /\G(.+)/) {
1627 warn "parse error while expanding $pod (at $1)";
1628 }
1629 last;
1630 }
1631 }
1632
1633 for ($xml) {
1634 # create single paragraphs (very hackish)
1635 s/(?<=\S)\n(?=\w)/ /g;
1636
1637 # compress some whitespace
1638 s/\s+\n/\n/g; # ws line-ends
1639 s/\n\n+/\n/g; # double lines
1640 s/^\n+//; # beginning lines
1641 s/\n+$//; # ending lines
1642 }
1643
1644 $xml
1645}
1646
1647no re 'eval';
1648
1649sub hintmode {
1650 $_[0]{hintmode} = $_[1] if @_ > 1;
1651 $_[0]{hintmode}
1652}
1653
1136=item $player->ext_reply ($msgid, %msg) 1654=item $player->ext_reply ($msgid, @msg)
1137 1655
1138Sends an ext reply to the player. 1656Sends an ext reply to the player.
1139 1657
1140=cut 1658=cut
1141 1659
1142sub ext_reply($$%) { 1660sub ext_reply($$@) {
1143 my ($self, $id, %msg) = @_; 1661 my ($self, $id, @msg) = @_;
1144 1662
1145 $msg{msgid} = $id; 1663 $self->ns->ext_reply ($id, @msg)
1146
1147 $self->send ("ext " . cf::to_json \%msg);
1148} 1664}
1149 1665
1150=item $player->ext_event ($type, %msg) 1666=item $player->ext_msg ($type, @msg)
1151 1667
1152Sends an ext event to the client. 1668Sends an ext event to the client.
1153 1669
1154=cut 1670=cut
1155 1671
1156sub ext_event($$%) { 1672sub ext_msg($$@) {
1157 my ($self, $type, %msg) = @_; 1673 my ($self, $type, @msg) = @_;
1158 1674
1159 $self->ns->ext_event ($type, %msg); 1675 $self->ns->ext_msg ($type, @msg);
1160} 1676}
1161 1677
1162package cf; 1678=head3 cf::region
1679
1680=over 4
1681
1682=cut
1683
1684package cf::region;
1685
1686=item cf::region::find_by_path $path
1687
1688Tries to decuce the likely region for a map knowing only its path.
1689
1690=cut
1691
1692sub find_by_path($) {
1693 my ($path) = @_;
1694
1695 my ($match, $specificity);
1696
1697 for my $region (list) {
1698 if ($region->{match} && $path =~ $region->{match}) {
1699 ($match, $specificity) = ($region, $region->specificity)
1700 if $region->specificity > $specificity;
1701 }
1702 }
1703
1704 $match
1705}
1163 1706
1164=back 1707=back
1165
1166 1708
1167=head3 cf::map 1709=head3 cf::map
1168 1710
1169=over 4 1711=over 4
1170 1712
… …
1225 my ($self, $merge) = @_; 1767 my ($self, $merge) = @_;
1226 1768
1227 # we have to keep some variables in memory intact 1769 # we have to keep some variables in memory intact
1228 local $self->{path}; 1770 local $self->{path};
1229 local $self->{load_path}; 1771 local $self->{load_path};
1230 local $self->{deny_save};
1231 local $self->{deny_reset};
1232 1772
1233 $self->SUPER::thawer_merge ($merge); 1773 $self->SUPER::thawer_merge ($merge);
1234} 1774}
1235 1775
1236sub normalise { 1776sub normalise {
… …
1283 $self->init; # pass $1 etc. 1823 $self->init; # pass $1 etc.
1284 return $self; 1824 return $self;
1285 } 1825 }
1286 } 1826 }
1287 1827
1288 Carp::carp "unable to resolve path '$path' (base '$base')."; 1828 Carp::cluck "unable to resolve path '$path' (base '$base').";
1289 () 1829 ()
1290} 1830}
1291 1831
1292sub init { 1832sub init {
1293 my ($self) = @_; 1833 my ($self) = @_;
… …
1308 1848
1309# the original (read-only) location 1849# the original (read-only) location
1310sub load_path { 1850sub load_path {
1311 my ($self) = @_; 1851 my ($self) = @_;
1312 1852
1313 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1853 "$MAPDIR/$self->{path}.map"
1314} 1854}
1315 1855
1316# the temporary/swap location 1856# the temporary/swap location
1317sub save_path { 1857sub save_path {
1318 my ($self) = @_; 1858 my ($self) = @_;
1319 1859
1320 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1860 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1321 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1861 "$TMPDIR/$path.map"
1322} 1862}
1323 1863
1324# the unique path, undef == no special unique path 1864# the unique path, undef == no special unique path
1325sub uniq_path { 1865sub uniq_path {
1326 my ($self) = @_; 1866 my ($self) = @_;
1327 1867
1328 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1868 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1329 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1869 "$UNIQUEDIR/$path"
1330} 1870}
1331 1871
1332# and all this just because we cannot iterate over 1872# and all this just because we cannot iterate over
1333# all maps in C++... 1873# all maps in C++...
1334sub change_all_map_light { 1874sub change_all_map_light {
… …
1336 1876
1337 $_->change_map_light ($change) 1877 $_->change_map_light ($change)
1338 for grep $_->outdoor, values %cf::MAP; 1878 for grep $_->outdoor, values %cf::MAP;
1339} 1879}
1340 1880
1881sub decay_objects {
1882 my ($self) = @_;
1883
1884 return if $self->{deny_reset};
1885
1886 $self->do_decay_objects;
1887}
1888
1341sub unlink_save { 1889sub unlink_save {
1342 my ($self) = @_; 1890 my ($self) = @_;
1343 1891
1344 utf8::encode (my $save = $self->save_path); 1892 utf8::encode (my $save = $self->save_path);
1345 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1893 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1348 1896
1349sub load_header_from($) { 1897sub load_header_from($) {
1350 my ($self, $path) = @_; 1898 my ($self, $path) = @_;
1351 1899
1352 utf8::encode $path; 1900 utf8::encode $path;
1353 #aio_open $path, O_RDONLY, 0 1901 my $f = new_from_file cf::object::thawer $path
1354 # or return;
1355
1356 $self->_load_header ($path)
1357 or return; 1902 or return;
1903
1904 $self->_load_header ($f)
1905 or return;
1906
1907 local $MAP_LOADING{$self->{path}} = $self;
1908 $f->resolve_delayed_derefs;
1358 1909
1359 $self->{load_path} = $path; 1910 $self->{load_path} = $path;
1360 1911
1361 1 1912 1
1362} 1913}
… …
1401 $self->load_header_orig 1952 $self->load_header_orig
1402 or return; 1953 or return;
1403 $self->prepare_orig; 1954 $self->prepare_orig;
1404 } 1955 }
1405 1956
1957 $self->{deny_reset} = 1
1958 if $self->no_reset;
1959
1960 $self->default_region (cf::region::find_by_path $self->{path})
1961 unless $self->default_region;
1962
1406 1 1963 1
1407} 1964}
1408 1965
1409sub find; 1966sub find;
1410sub find { 1967sub find {
1411 my ($path, $origin) = @_; 1968 my ($path, $origin) = @_;
1412 1969
1413 $path = normalise $path, $origin && $origin->path; 1970 $path = normalise $path, $origin && $origin->path;
1414 1971
1972 cf::lock_wait "map_data:$path";#d#remove
1415 cf::lock_wait "map_find:$path"; 1973 cf::lock_wait "map_find:$path";
1416 1974
1417 $cf::MAP{$path} || do { 1975 $cf::MAP{$path} || do {
1418 my $guard = cf::lock_acquire "map_find:$path"; 1976 my $guard1 = cf::lock_acquire "map_find:$path";
1977 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1978
1419 my $map = new_from_path cf::map $path 1979 my $map = new_from_path cf::map $path
1420 or return; 1980 or return;
1421 1981
1422 $map->{last_save} = $cf::RUNTIME; 1982 $map->{last_save} = $cf::RUNTIME;
1423 1983
1424 $map->load_header 1984 $map->load_header
1425 or return; 1985 or return;
1426 1986
1427 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1987 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1428 # doing this can freeze the server in a sync job, obviously 1988 # doing this can freeze the server in a sync job, obviously
1429 #$cf::WAIT_FOR_TICK->wait; 1989 #$cf::WAIT_FOR_TICK->wait;
1990 undef $guard1;
1991 undef $guard2;
1430 $map->reset; 1992 $map->reset;
1431 undef $guard;
1432 return find $path; 1993 return find $path;
1433 } 1994 }
1434 1995
1435 $cf::MAP{$path} = $map 1996 $cf::MAP{$path} = $map
1436 } 1997 }
… …
1443 my ($self) = @_; 2004 my ($self) = @_;
1444 2005
1445 local $self->{deny_reset} = 1; # loading can take a long time 2006 local $self->{deny_reset} = 1; # loading can take a long time
1446 2007
1447 my $path = $self->{path}; 2008 my $path = $self->{path};
2009
2010 {
1448 my $guard = cf::lock_acquire "map_load:$path"; 2011 my $guard = cf::lock_acquire "map_data:$path";
1449 2012
2013 return unless $self->valid;
1450 return if $self->in_memory != cf::MAP_SWAPPED; 2014 return unless $self->in_memory == cf::MAP_SWAPPED;
1451 2015
1452 $self->in_memory (cf::MAP_LOADING); 2016 $self->in_memory (cf::MAP_LOADING);
1453 2017
1454 $self->alloc; 2018 $self->alloc;
1455 2019
1456 $self->pre_load; 2020 $self->pre_load;
2021 cf::cede_to_tick;
1457 2022
1458 $self->_load_objects ($self->{load_path}, 1) 2023 my $f = new_from_file cf::object::thawer $self->{load_path};
2024 $f->skip_block;
2025 $self->_load_objects ($f)
1459 or return; 2026 or return;
1460 2027
1461 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2028 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1462 if delete $self->{load_original}; 2029 if delete $self->{load_original};
1463 2030
1464 if (my $uniq = $self->uniq_path) { 2031 if (my $uniq = $self->uniq_path) {
1465 utf8::encode $uniq; 2032 utf8::encode $uniq;
1466 if (aio_open $uniq, O_RDONLY, 0) { 2033 unless (aio_stat $uniq) {
2034 if (my $f = new_from_file cf::object::thawer $uniq) {
1467 $self->clear_unique_items; 2035 $self->clear_unique_items;
1468 $self->_load_objects ($uniq, 0); 2036 $self->_load_objects ($f);
2037 $f->resolve_delayed_derefs;
2038 }
1469 } 2039 }
1470 } 2040 }
1471 2041
1472 Coro::cede; 2042 $f->resolve_delayed_derefs;
1473 2043
2044 cf::cede_to_tick;
1474 # now do the right thing for maps 2045 # now do the right thing for maps
1475 $self->link_multipart_objects; 2046 $self->link_multipart_objects;
1476
1477 unless ($self->{deny_activate}) {
1478 $self->decay_objects;
1479 $self->fix_auto_apply;
1480 $self->update_buttons;
1481 Coro::cede;
1482 $self->set_darkness_map;
1483 $self->difficulty ($self->estimate_difficulty) 2047 $self->difficulty ($self->estimate_difficulty)
1484 unless $self->difficulty; 2048 unless $self->difficulty;
1485 Coro::cede; 2049 cf::cede_to_tick;
2050
2051 unless ($self->{deny_activate}) {
2052 $self->decay_objects;
2053 $self->fix_auto_apply;
2054 $self->update_buttons;
2055 cf::cede_to_tick;
2056 $self->set_darkness_map;
2057 cf::cede_to_tick;
1486 $self->activate; 2058 $self->activate;
2059 }
2060
2061 $self->{last_save} = $cf::RUNTIME;
2062 $self->last_access ($cf::RUNTIME);
2063
2064 $self->in_memory (cf::MAP_IN_MEMORY);
1487 } 2065 }
1488 2066
1489 $self->post_load; 2067 $self->post_load;
1490
1491 $self->in_memory (cf::MAP_IN_MEMORY);
1492} 2068}
1493 2069
1494sub customise_for { 2070sub customise_for {
1495 my ($self, $ob) = @_; 2071 my ($self, $ob) = @_;
1496 2072
1497 return find "~" . $ob->name . "/" . $self->{path} 2073 return find "~" . $ob->name . "/" . $self->{path}
1498 if $self->per_player; 2074 if $self->per_player;
1499 2075
2076# return find "?party/" . $ob->name . "/" . $self->{path}
2077# if $self->per_party;
2078
1500 $self 2079 $self
1501} 2080}
1502 2081
1503# find and load all maps in the 3x3 area around a map 2082# find and load all maps in the 3x3 area around a map
1504sub load_diag { 2083sub load_neighbours {
1505 my ($map) = @_; 2084 my ($map) = @_;
1506 2085
1507 my @diag; # diagonal neighbours 2086 my @neigh; # diagonal neighbours
1508 2087
1509 for (0 .. 3) { 2088 for (0 .. 3) {
1510 my $neigh = $map->tile_path ($_) 2089 my $neigh = $map->tile_path ($_)
1511 or next; 2090 or next;
1512 $neigh = find $neigh, $map 2091 $neigh = find $neigh, $map
1513 or next; 2092 or next;
1514 $neigh->load; 2093 $neigh->load;
1515 2094
2095 push @neigh,
1516 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2096 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1517 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2097 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1518 } 2098 }
1519 2099
1520 for (@diag) { 2100 for (grep defined $_->[0], @neigh) {
2101 my ($path, $origin) = @$_;
1521 my $neigh = find @$_ 2102 my $neigh = find $path, $origin
1522 or next; 2103 or next;
1523 $neigh->load; 2104 $neigh->load;
1524 } 2105 }
1525} 2106}
1526 2107
… …
1531} 2112}
1532 2113
1533sub do_load_sync { 2114sub do_load_sync {
1534 my ($map) = @_; 2115 my ($map) = @_;
1535 2116
2117 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2118 if $Coro::current == $Coro::main;
2119
1536 cf::sync_job { $map->load }; 2120 cf::sync_job { $map->load };
1537} 2121}
1538 2122
1539our %MAP_PREFETCH; 2123our %MAP_PREFETCH;
1540our $MAP_PREFETCHER = undef; 2124our $MAP_PREFETCHER = undef;
1541 2125
1542sub find_async { 2126sub find_async {
1543 my ($path, $origin) = @_; 2127 my ($path, $origin, $load) = @_;
1544 2128
1545 $path = normalise $path, $origin && $origin->{path}; 2129 $path = normalise $path, $origin && $origin->{path};
1546 2130
1547 if (my $map = $cf::MAP{$path}) { 2131 if (my $map = $cf::MAP{$path}) {
1548 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2132 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1549 } 2133 }
1550 2134
1551 undef $MAP_PREFETCH{$path}; 2135 $MAP_PREFETCH{$path} |= $load;
2136
1552 $MAP_PREFETCHER ||= cf::async { 2137 $MAP_PREFETCHER ||= cf::async {
2138 $Coro::current->{desc} = "map prefetcher";
2139
1553 while (%MAP_PREFETCH) { 2140 while (%MAP_PREFETCH) {
1554 for my $path (keys %MAP_PREFETCH) { 2141 while (my ($k, $v) = each %MAP_PREFETCH) {
1555 my $map = find $path 2142 if (my $map = find $k) {
1556 or next;
1557 $map->load; 2143 $map->load if $v;
2144 }
1558 2145
1559 delete $MAP_PREFETCH{$path}; 2146 delete $MAP_PREFETCH{$k};
1560 } 2147 }
1561 } 2148 }
1562 undef $MAP_PREFETCHER; 2149 undef $MAP_PREFETCHER;
1563 }; 2150 };
1564 $MAP_PREFETCHER->prio (6); 2151 $MAP_PREFETCHER->prio (6);
… …
1567} 2154}
1568 2155
1569sub save { 2156sub save {
1570 my ($self) = @_; 2157 my ($self) = @_;
1571 2158
1572 my $lock = cf::lock_acquire "map_data:" . $self->path; 2159 my $lock = cf::lock_acquire "map_data:$self->{path}";
1573 2160
1574 $self->{last_save} = $cf::RUNTIME; 2161 $self->{last_save} = $cf::RUNTIME;
1575 2162
1576 return unless $self->dirty; 2163 return unless $self->dirty;
1577 2164
… …
1583 return if $self->{deny_save}; 2170 return if $self->{deny_save};
1584 2171
1585 local $self->{last_access} = $self->last_access;#d# 2172 local $self->{last_access} = $self->last_access;#d#
1586 2173
1587 cf::async { 2174 cf::async {
2175 $Coro::current->{desc} = "map player save";
1588 $_->contr->save for $self->players; 2176 $_->contr->save for $self->players;
1589 }; 2177 };
1590 2178
1591 if ($uniq) { 2179 if ($uniq) {
1592 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2180 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
1600 my ($self) = @_; 2188 my ($self) = @_;
1601 2189
1602 # save first because save cedes 2190 # save first because save cedes
1603 $self->save; 2191 $self->save;
1604 2192
1605 my $lock = cf::lock_acquire "map_data:" . $self->path; 2193 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2194
1607 return if $self->players; 2195 return if $self->players;
1608 return if $self->in_memory != cf::MAP_IN_MEMORY; 2196 return if $self->in_memory != cf::MAP_IN_MEMORY;
1609 return if $self->{deny_save}; 2197 return if $self->{deny_save};
1610 2198
2199 $self->in_memory (cf::MAP_SWAPPED);
2200
2201 $self->deactivate;
2202 $_->clear_links_to ($self) for values %cf::MAP;
1611 $self->clear; 2203 $self->clear;
1612 $self->in_memory (cf::MAP_SWAPPED);
1613} 2204}
1614 2205
1615sub reset_at { 2206sub reset_at {
1616 my ($self) = @_; 2207 my ($self) = @_;
1617 2208
1618 # TODO: safety, remove and allow resettable per-player maps 2209 # TODO: safety, remove and allow resettable per-player maps
1619 return 1e99 if $self->isa ("ext::map_per_player");#d#
1620 return 1e99 if $self->{deny_reset}; 2210 return 1e99 if $self->{deny_reset};
1621 2211
1622 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2212 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1623 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2213 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1624 2214
… …
1635 my ($self) = @_; 2225 my ($self) = @_;
1636 2226
1637 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2227 my $lock = cf::lock_acquire "map_data:$self->{path}";
1638 2228
1639 return if $self->players; 2229 return if $self->players;
1640 return if $self->isa ("ext::map_per_player");#d#
1641 2230
1642 warn "resetting map ", $self->path;#d# 2231 warn "resetting map ", $self->path;
1643 2232
1644 $self->in_memory (cf::MAP_SWAPPED); 2233 $self->in_memory (cf::MAP_SWAPPED);
1645 2234
1646 # need to save uniques path 2235 # need to save uniques path
1647 unless ($self->{deny_save}) { 2236 unless ($self->{deny_save}) {
… …
1651 if $uniq; 2240 if $uniq;
1652 } 2241 }
1653 2242
1654 delete $cf::MAP{$self->path}; 2243 delete $cf::MAP{$self->path};
1655 2244
2245 $self->deactivate;
2246 $_->clear_links_to ($self) for values %cf::MAP;
1656 $self->clear; 2247 $self->clear;
1657
1658 $_->clear_links_to ($self) for values %cf::MAP;
1659 2248
1660 $self->unlink_save; 2249 $self->unlink_save;
1661 $self->destroy; 2250 $self->destroy;
1662} 2251}
1663 2252
1664my $nuke_counter = "aaaa"; 2253my $nuke_counter = "aaaa";
1665 2254
1666sub nuke { 2255sub nuke {
1667 my ($self) = @_; 2256 my ($self) = @_;
1668 2257
2258 {
2259 my $lock = cf::lock_acquire "map_data:$self->{path}";
2260
1669 delete $cf::MAP{$self->path}; 2261 delete $cf::MAP{$self->path};
1670 2262
1671 $self->unlink_save; 2263 $self->unlink_save;
1672 2264
1673 bless $self, "cf::map"; 2265 bless $self, "cf::map";
1674 delete $self->{deny_reset}; 2266 delete $self->{deny_reset};
1675 $self->{deny_save} = 1; 2267 $self->{deny_save} = 1;
1676 $self->reset_timeout (1); 2268 $self->reset_timeout (1);
1677 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2269 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1678 2270
1679 $cf::MAP{$self->path} = $self; 2271 $cf::MAP{$self->path} = $self;
2272 }
1680 2273
1681 $self->reset; # polite request, might not happen 2274 $self->reset; # polite request, might not happen
2275}
2276
2277=item $maps = cf::map::tmp_maps
2278
2279Returns an arrayref with all map paths of currently instantiated and saved
2280maps. May block.
2281
2282=cut
2283
2284sub tmp_maps() {
2285 [
2286 map {
2287 utf8::decode $_;
2288 /\.map$/
2289 ? normalise $_
2290 : ()
2291 } @{ aio_readdir $TMPDIR or [] }
2292 ]
2293}
2294
2295=item $maps = cf::map::random_maps
2296
2297Returns an arrayref with all map paths of currently instantiated and saved
2298random maps. May block.
2299
2300=cut
2301
2302sub random_maps() {
2303 [
2304 map {
2305 utf8::decode $_;
2306 /\.map$/
2307 ? normalise "?random/$_"
2308 : ()
2309 } @{ aio_readdir $RANDOMDIR or [] }
2310 ]
1682} 2311}
1683 2312
1684=item cf::map::unique_maps 2313=item cf::map::unique_maps
1685 2314
1686Returns an arrayref of paths of all shared maps that have 2315Returns an arrayref of paths of all shared maps that have
1687instantiated unique items. May block. 2316instantiated unique items. May block.
1688 2317
1689=cut 2318=cut
1690 2319
1691sub unique_maps() { 2320sub unique_maps() {
1692 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2321 [
1693 or return; 2322 map {
1694
1695 my @paths;
1696
1697 for (@$files) {
1698 utf8::decode $_; 2323 utf8::decode $_;
1699 next if /\.pst$/; 2324 /\.map$/
1700 next unless /^$PATH_SEP/o; 2325 ? normalise $_
1701 2326 : ()
1702 push @paths, cf::map::normalise $_; 2327 } @{ aio_readdir $UNIQUEDIR or [] }
1703 } 2328 ]
1704
1705 \@paths
1706} 2329}
1707 2330
1708package cf; 2331package cf;
1709 2332
1710=back 2333=back
… …
1728 map { $_, inv_recursive_ $_->inv } @_ 2351 map { $_, inv_recursive_ $_->inv } @_
1729} 2352}
1730 2353
1731sub inv_recursive { 2354sub inv_recursive {
1732 inv_recursive_ inv $_[0] 2355 inv_recursive_ inv $_[0]
2356}
2357
2358=item $ref = $ob->ref
2359
2360creates and returns a persistent reference to an objetc that can be stored as a string.
2361
2362=item $ob = cf::object::deref ($refstring)
2363
2364returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2365even if the object actually exists. May block.
2366
2367=cut
2368
2369sub deref {
2370 my ($ref) = @_;
2371
2372 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2373 my ($uuid, $name) = ($1, $2);
2374 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2375 or return;
2376 $pl->ob->uuid eq $uuid
2377 or return;
2378
2379 $pl->ob
2380 } else {
2381 warn "$ref: cannot resolve object reference\n";
2382 undef
2383 }
1733} 2384}
1734 2385
1735package cf; 2386package cf;
1736 2387
1737=back 2388=back
… …
1756 2407
1757 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2408 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1758 2409
1759 if ($self->{record_replies}) { 2410 if ($self->{record_replies}) {
1760 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2411 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2412
1761 } else { 2413 } else {
2414 my $pl = $self->contr;
2415
2416 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2417 my $dialog = $pl->{npc_dialog};
2418 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2419
2420 } else {
1762 $msg = $npc->name . " says: $msg" if $npc; 2421 $msg = $npc->name . " says: $msg" if $npc;
1763 $self->message ($msg, $flags); 2422 $self->message ($msg, $flags);
2423 }
1764 } 2424 }
2425}
2426
2427=item $object->send_msg ($channel, $msg, $color, [extra...])
2428
2429=cut
2430
2431sub cf::object::send_msg {
2432 my $pl = shift->contr
2433 or return;
2434 $pl->send_msg (@_);
1765} 2435}
1766 2436
1767=item $player_object->may ("access") 2437=item $player_object->may ("access")
1768 2438
1769Returns wether the given player is authorized to access resource "access" 2439Returns wether the given player is authorized to access resource "access"
… …
1816 $self->deactivate_recursive; 2486 $self->deactivate_recursive;
1817 2487
1818 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2488 return if UNIVERSAL::isa $self->map, "ext::map_link";
1819 2489
1820 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2490 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1821 if $self->map; 2491 if $self->map && $self->map->{path} ne "{link}";
1822 2492
1823 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2493 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1824} 2494}
1825 2495
1826sub cf::object::player::leave_link { 2496sub cf::object::player::leave_link {
1827 my ($self, $map, $x, $y) = @_; 2497 my ($self, $map, $x, $y) = @_;
2498
2499 return unless $self->contr->active;
1828 2500
1829 my $link_pos = delete $self->{_link_pos}; 2501 my $link_pos = delete $self->{_link_pos};
1830 2502
1831 unless ($map) { 2503 unless ($map) {
1832 # restore original map position 2504 # restore original map position
… …
1846 # use -1 or undef as default coordinates, not 0, 0 2518 # use -1 or undef as default coordinates, not 0, 0
1847 ($x, $y) = ($map->enter_x, $map->enter_y) 2519 ($x, $y) = ($map->enter_x, $map->enter_y)
1848 if $x <=0 && $y <= 0; 2520 if $x <=0 && $y <= 0;
1849 2521
1850 $map->load; 2522 $map->load;
1851 $map->load_diag; 2523 $map->load_neighbours;
1852 2524
1853 return unless $self->contr->active; 2525 return unless $self->contr->active;
1854 $self->activate_recursive; 2526 $self->activate_recursive;
1855 2527
1856 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2528 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1857 $self->enter_map ($map, $x, $y); 2529 $self->enter_map ($map, $x, $y);
1858} 2530}
1859 2531
1860cf::player->attach ( 2532=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1861 on_logout => sub {
1862 my ($pl) = @_;
1863 2533
1864 # abort map switching before logout 2534Moves the player to the given map-path and coordinates by first freezing
1865 if ($pl->ob->{_link_pos}) { 2535her, loading and preparing them map, calling the provided $check callback
1866 cf::sync_job { 2536that has to return the map if sucecssful, and then unfreezes the player on
1867 $pl->ob->leave_link 2537the new (success) or old (failed) map position. In either case, $done will
1868 }; 2538be called at the end of this process.
1869 }
1870 },
1871 on_login => sub {
1872 my ($pl) = @_;
1873 2539
1874 # try to abort aborted map switching on player login :)
1875 # should happen only on crashes
1876 if ($pl->ob->{_link_pos}) {
1877 $pl->ob->enter_link;
1878 (async {
1879 $pl->ob->reply (undef,
1880 "There was an internal problem at your last logout, "
1881 . "the server will try to bring you to your intended destination in a second.",
1882 cf::NDI_RED);
1883 # we need this sleep as the login has a concurrent enter_exit running
1884 # and this sleep increases chances of the player not ending up in scorn
1885 Coro::Timer::sleep 1;
1886 $pl->ob->leave_link;
1887 })->prio (2);
1888 }
1889 },
1890);
1891
1892=item $player_object->goto ($path, $x, $y)
1893
1894=cut 2540=cut
2541
2542our $GOTOGEN;
1895 2543
1896sub cf::object::player::goto { 2544sub cf::object::player::goto {
1897 my ($self, $path, $x, $y) = @_; 2545 my ($self, $path, $x, $y, $check, $done) = @_;
2546
2547 # do generation counting so two concurrent goto's will be executed in-order
2548 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1898 2549
1899 $self->enter_link; 2550 $self->enter_link;
1900 2551
1901 (async { 2552 (async {
2553 $Coro::current->{desc} = "player::goto $path $x $y";
2554
2555 # *tag paths override both path and x|y
2556 if ($path =~ /^\*(.*)$/) {
2557 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2558 my $ob = $obs[rand @obs];
2559
2560 # see if we actually can go there
2561 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2562 $ob = $obs[rand @obs];
2563 } else {
2564 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566 # else put us there anyways for now #d#
2567
2568 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2569 } else {
2570 ($path, $x, $y) = (undef, undef, undef);
2571 }
2572 }
2573
1902 my $map = eval { 2574 my $map = eval {
1903 my $map = cf::map::find $path; 2575 my $map = defined $path ? cf::map::find $path : undef;
2576
2577 if ($map) {
1904 $map = $map->customise_for ($self) if $map; 2578 $map = $map->customise_for ($self);
2579 $map = $check->($map) if $check && $map;
2580 } else {
2581 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2582 }
2583
1905 $map 2584 $map
2585 };
2586
2587 if ($@) {
2588 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2589 LOG llevError | logBacktrace, Carp::longmess $@;
1906 } or 2590 }
1907 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1908 2591
2592 if ($gen == $self->{_goto_generation}) {
2593 delete $self->{_goto_generation};
1909 $self->leave_link ($map, $x, $y); 2594 $self->leave_link ($map, $x, $y);
2595 }
2596
2597 $done->() if $done;
1910 })->prio (1); 2598 })->prio (1);
1911} 2599}
1912 2600
1913=item $player_object->enter_exit ($exit_object) 2601=item $player_object->enter_exit ($exit_object)
1914 2602
… …
1951 $rmp->{origin_y} = $exit->y; 2639 $rmp->{origin_y} = $exit->y;
1952 } 2640 }
1953 2641
1954 $rmp->{random_seed} ||= $exit->random_seed; 2642 $rmp->{random_seed} ||= $exit->random_seed;
1955 2643
1956 my $data = cf::to_json $rmp; 2644 my $data = cf::encode_json $rmp;
1957 my $md5 = Digest::MD5::md5_hex $data; 2645 my $md5 = Digest::MD5::md5_hex $data;
1958 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2646 my $meta = "$RANDOMDIR/$md5.meta";
1959 2647
1960 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2648 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1961 aio_write $fh, 0, (length $data), $data, 0; 2649 aio_write $fh, 0, (length $data), $data, 0;
1962 undef $fh; 2650 undef $fh;
1963 aio_rename "$meta~", $meta; 2651 aio_rename "$meta~", $meta;
… …
1983 my $hp = $exit->stats->hp; 2671 my $hp = $exit->stats->hp;
1984 my $sp = $exit->stats->sp; 2672 my $sp = $exit->stats->sp;
1985 2673
1986 $self->enter_link; 2674 $self->enter_link;
1987 2675
2676 # if exit is damned, update players death & WoR home-position
2677 $self->contr->savebed ($slaying, $hp, $sp)
2678 if $exit->flag (FLAG_DAMNED);
2679
1988 (async { 2680 (async {
2681 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2682
1989 $self->deactivate_recursive; # just to be sure 2683 $self->deactivate_recursive; # just to be sure
1990 unless (eval { 2684 unless (eval {
1991 $self->goto ($slaying, $hp, $sp); 2685 $self->goto ($slaying, $hp, $sp);
1992 2686
1993 1; 2687 1;
… …
2019 2713
2020 utf8::encode $text; 2714 utf8::encode $text;
2021 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text); 2715 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2022} 2716}
2023 2717
2718=item $client->send_msg ($channel, $msg, $color, [extra...])
2719
2720Send a drawinfo or msg packet to the client, formatting the msg for the
2721client if neccessary. C<$type> should be a string identifying the type of
2722the message, with C<log> being the default. If C<$color> is negative, suppress
2723the message unless the client supports the msg packet.
2724
2725=cut
2726
2727# non-persistent channels (usually the info channel)
2728our %CHANNEL = (
2729 "c/identify" => {
2730 id => "infobox",
2731 title => "Identify",
2732 reply => undef,
2733 tooltip => "Items recently identified",
2734 },
2735 "c/examine" => {
2736 id => "infobox",
2737 title => "Examine",
2738 reply => undef,
2739 tooltip => "Signs and other items you examined",
2740 },
2741 "c/book" => {
2742 id => "infobox",
2743 title => "Book",
2744 reply => undef,
2745 tooltip => "The contents of a note or book",
2746 },
2747 "c/lookat" => {
2748 id => "infobox",
2749 title => "Look",
2750 reply => undef,
2751 tooltip => "What you saw there",
2752 },
2753 "c/who" => {
2754 id => "infobox",
2755 title => "Players",
2756 reply => undef,
2757 tooltip => "Shows players who are currently online",
2758 },
2759 "c/body" => {
2760 id => "infobox",
2761 title => "Body Parts",
2762 reply => undef,
2763 tooltip => "Shows which body parts you posess and are available",
2764 },
2765 "c/uptime" => {
2766 id => "infobox",
2767 title => "Uptime",
2768 reply => undef,
2769 tooltip => "How long the server has been running since last restart",
2770 },
2771 "c/mapinfo" => {
2772 id => "infobox",
2773 title => "Map Info",
2774 reply => undef,
2775 tooltip => "Information related to the maps",
2776 },
2777);
2778
2779sub cf::client::send_msg {
2780 my ($self, $channel, $msg, $color, @extra) = @_;
2781
2782 $msg = $self->pl->expand_cfpod ($msg);
2783
2784 $color &= cf::NDI_CLIENT_MASK; # just in case...
2785
2786 # check predefined channels, for the benefit of C
2787 if ($CHANNEL{$channel}) {
2788 $channel = $CHANNEL{$channel};
2789
2790 $self->ext_msg (channel_info => $channel)
2791 if $self->can_msg;
2792
2793 $channel = $channel->{id};
2794
2795 } elsif (ref $channel) {
2796 # send meta info to client, if not yet sent
2797 unless (exists $self->{channel}{$channel->{id}}) {
2798 $self->{channel}{$channel->{id}} = $channel;
2799 $self->ext_msg (channel_info => $channel)
2800 if $self->can_msg;
2801 }
2802
2803 $channel = $channel->{id};
2804 }
2805
2806 return unless @extra || length $msg;
2807
2808 if ($self->can_msg) {
2809 # default colour, mask it out
2810 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2811 if $color & cf::NDI_DEF;
2812
2813 $self->send_packet ("msg " . $self->{json_coder}->encode (
2814 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2815 } else {
2816 if ($color >= 0) {
2817 # replace some tags by gcfclient-compatible ones
2818 for ($msg) {
2819 1 while
2820 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2821 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2822 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2823 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2824 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2825 }
2826
2827 $color &= cf::NDI_COLOR_MASK;
2828
2829 utf8::encode $msg;
2830
2831 if (0 && $msg =~ /\[/) {
2832 # COMMAND/INFO
2833 $self->send_packet ("drawextinfo $color 10 8 $msg")
2834 } else {
2835 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2836 $self->send_packet ("drawinfo $color $msg")
2837 }
2838 }
2839 }
2840}
2841
2024=item $client->ext_event ($type, %msg) 2842=item $client->ext_msg ($type, @msg)
2025 2843
2026Sends an exti event to the client. 2844Sends an ext event to the client.
2027 2845
2028=cut 2846=cut
2029 2847
2030sub cf::client::ext_event($$%) { 2848sub cf::client::ext_msg($$@) {
2031 my ($self, $type, %msg) = @_; 2849 my ($self, $type, @msg) = @_;
2032 2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2853 } elsif ($self->extcmd == 1) { # TODO: remove
2033 $msg{msgtype} = "event_$type"; 2854 push @msg, msgtype => "event_$type";
2034 $self->send_packet ("ext " . cf::to_json \%msg); 2855 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2856 }
2857}
2858
2859=item $client->ext_reply ($msgid, @msg)
2860
2861Sends an ext reply to the client.
2862
2863=cut
2864
2865sub cf::client::ext_reply($$@) {
2866 my ($self, $id, @msg) = @_;
2867
2868 if ($self->extcmd == 2) {
2869 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2870 } elsif ($self->extcmd == 1) {
2871 #TODO: version 1, remove
2872 unshift @msg, msgtype => "reply", msgid => $id;
2873 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2874 }
2035} 2875}
2036 2876
2037=item $success = $client->query ($flags, "text", \&cb) 2877=item $success = $client->query ($flags, "text", \&cb)
2038 2878
2039Queues a query to the client, calling the given callback with 2879Queues a query to the client, calling the given callback with
2040the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2880the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2041C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2881C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2042 2882
2043Queries can fail, so check the return code. Or don't, as queries will become 2883Queries can fail, so check the return code. Or don't, as queries will
2044reliable at some point in the future. 2884become reliable at some point in the future.
2045 2885
2046=cut 2886=cut
2047 2887
2048sub cf::client::query { 2888sub cf::client::query {
2049 my ($self, $flags, $text, $cb) = @_; 2889 my ($self, $flags, $text, $cb) = @_;
… …
2057 utf8::encode $text; 2897 utf8::encode $text;
2058 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2898 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2059 2899
2060 $self->send_packet ($self->{query_queue}[0][0]) 2900 $self->send_packet ($self->{query_queue}[0][0])
2061 if @{ $self->{query_queue} } == 1; 2901 if @{ $self->{query_queue} } == 1;
2902
2903 1
2062} 2904}
2063 2905
2064cf::client->attach ( 2906cf::client->attach (
2907 on_connect => sub {
2908 my ($ns) = @_;
2909
2910 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2911 },
2065 on_reply => sub { 2912 on_reply => sub {
2066 my ($ns, $msg) = @_; 2913 my ($ns, $msg) = @_;
2067 2914
2068 # this weird shuffling is so that direct followup queries 2915 # this weird shuffling is so that direct followup queries
2069 # get handled first 2916 # get handled first
… …
2081 } else { 2928 } else {
2082 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2929 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2083 } 2930 }
2084 } 2931 }
2085 }, 2932 },
2933 on_exticmd => sub {
2934 my ($ns, $buf) = @_;
2935
2936 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2937
2938 if (ref $msg) {
2939 my ($type, $reply, @payload) =
2940 "ARRAY" eq ref $msg
2941 ? @$msg
2942 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2943
2944 my @reply;
2945
2946 if (my $cb = $EXTICMD{$type}) {
2947 @reply = $cb->($ns, @payload);
2948 }
2949
2950 $ns->ext_reply ($reply, @reply)
2951 if $reply;
2952
2953 } else {
2954 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2955 }
2956
2957 cf::override;
2958 },
2086); 2959);
2087 2960
2088=item $client->async (\&cb) 2961=item $client->async (\&cb)
2089 2962
2090Create a new coroutine, running the specified callback. The coroutine will 2963Create a new coroutine, running the specified callback. The coroutine will
… …
2131our $safe = new Safe "safe"; 3004our $safe = new Safe "safe";
2132our $safe_hole = new Safe::Hole; 3005our $safe_hole = new Safe::Hole;
2133 3006
2134$SIG{FPE} = 'IGNORE'; 3007$SIG{FPE} = 'IGNORE';
2135 3008
2136$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3009$safe->permit_only (Opcode::opset qw(
3010 :base_core :base_mem :base_orig :base_math
3011 grepstart grepwhile mapstart mapwhile
3012 sort time
3013));
2137 3014
2138# here we export the classes and methods available to script code 3015# here we export the classes and methods available to script code
2139 3016
2140=pod 3017=pod
2141 3018
2142The following functions and methods are available within a safe environment: 3019The following functions and methods are available within a safe environment:
2143 3020
2144 cf::object contr pay_amount pay_player map 3021 cf::object
3022 contr pay_amount pay_player map x y force_find force_add destroy
3023 insert remove name archname title slaying race decrease_ob_nr
3024
2145 cf::object::player player 3025 cf::object::player
2146 cf::player peaceful 3026 player
2147 cf::map trigger 3027
3028 cf::player
3029 peaceful
3030
3031 cf::map
3032 trigger
2148 3033
2149=cut 3034=cut
2150 3035
2151for ( 3036for (
2152 ["cf::object" => qw(contr pay_amount pay_player map)], 3037 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3038 insert remove inv name archname title slaying race
3039 decrease_ob_nr destroy)],
2153 ["cf::object::player" => qw(player)], 3040 ["cf::object::player" => qw(player)],
2154 ["cf::player" => qw(peaceful)], 3041 ["cf::player" => qw(peaceful)],
2155 ["cf::map" => qw(trigger)], 3042 ["cf::map" => qw(trigger)],
2156) { 3043) {
2157 no strict 'refs'; 3044 no strict 'refs';
… …
2228=back 3115=back
2229 3116
2230=cut 3117=cut
2231 3118
2232############################################################################# 3119#############################################################################
2233
2234=head2 EXTENSION DATABASE SUPPORT
2235
2236Crossfire maintains a very simple database for extension use. It can
2237currently store anything that can be serialised using Storable, which
2238excludes objects.
2239
2240The parameter C<$family> should best start with the name of the extension
2241using it, it should be unique.
2242
2243=over 4
2244
2245=item $value = cf::db_get $family => $key
2246
2247Returns a single value from the database.
2248
2249=item cf::db_put $family => $key => $value
2250
2251Stores the given C<$value> in the family.
2252
2253=cut
2254
2255our $DB;
2256
2257sub db_init {
2258 unless ($DB) {
2259 $DB = BDB::db_create $DB_ENV;
2260
2261 cf::sync_job {
2262 eval {
2263 $DB->set_flags (BDB::CHKSUM);
2264
2265 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2266 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2267 cf::cleanup "db_open(db): $!" if $!;
2268 };
2269 cf::cleanup "db_open(db): $@" if $@;
2270 };
2271
2272 my $path = cf::localdir . "/database.pst";
2273 if (stat $path) {
2274 cf::sync_job {
2275 my $pst = Storable::retrieve $path;
2276
2277 cf::db_put (board => data => $pst->{board});
2278 cf::db_put (guildrules => data => $pst->{guildrules});
2279 cf::db_put (rent => balance => $pst->{rent}{balance});
2280 BDB::db_env_txn_checkpoint $DB_ENV;
2281
2282 unlink $path;
2283 };
2284 }
2285 }
2286}
2287
2288sub db_get($$) {
2289 my $key = "$_[0]/$_[1]";
2290
2291 cf::sync_job {
2292 BDB::db_get $DB, undef, $key, my $data;
2293
2294 $! ? ()
2295 : Compress::LZF::sthaw $data
2296 }
2297}
2298
2299sub db_put($$$) {
2300 BDB::dbreq_pri 4;
2301 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2302}
2303
2304#############################################################################
2305# the server's init and main functions 3120# the server's init and main functions
2306 3121
2307sub load_facedata { 3122sub load_facedata($) {
2308 my $path = sprintf "%s/facedata", cf::datadir; 3123 my ($path) = @_;
3124
3125 # HACK to clear player env face cache, we need some signal framework
3126 # for this (global event?)
3127 %ext::player_env::MUSIC_FACE_CACHE = ();
3128
3129 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2309 3130
2310 warn "loading facedata from $path\n"; 3131 warn "loading facedata from $path\n";
2311 3132
2312 my $faces; 3133 my $facedata;
2313 0 < aio_load $path, $faces 3134 0 < aio_load $path, $facedata
2314 or die "$path: $!"; 3135 or die "$path: $!";
2315 3136
2316 Coro::cede;
2317 $faces = Storable::thaw $faces; 3137 $facedata = Coro::Storable::thaw $facedata;
2318 Coro::cede;
2319 3138
2320 my $meta = delete $faces->{""};
2321 $meta->{version} == 1 3139 $facedata->{version} == 2
2322 or cf::cleanup "$path: version mismatch, cannot proceed."; 3140 or cf::cleanup "$path: version mismatch, cannot proceed.";
2323 3141
3142 # patch in the exptable
3143 $facedata->{resource}{"res/exp_table"} = {
3144 type => FT_RSRC,
3145 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3146 };
3147 cf::cede_to_tick;
3148
3149 {
3150 my $faces = $facedata->{faceinfo};
3151
2324 while (my ($face, $info) = each %$faces) { 3152 while (my ($face, $info) = each %$faces) {
2325 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3153 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2326 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3154 cf::face::set_visibility $idx, $info->{visibility};
3155 cf::face::set_magicmap $idx, $info->{magicmap};
2327 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3156 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2328 cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64}; 3157 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2329 Coro::cede;
2330 }
2331 3158
3159 cf::cede_to_tick;
3160 }
3161
2332 while (my ($face, $info) = each %$faces) { 3162 while (my ($face, $info) = each %$faces) {
2333 next unless $info->{smooth}; 3163 next unless $info->{smooth};
2334 my $idx = cf::face::find $face 3164 my $idx = cf::face::find $face
2335 or next; 3165 or next;
2336 if (my $smooth = cf::face::find $info->{smooth}) { 3166 if (my $smooth = cf::face::find $info->{smooth}) {
3167 cf::face::set_smooth $idx, $smooth;
2337 cf::face::set_smooth $idx, $smooth, $info->{smoothlevel}; 3168 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2338 } else { 3169 } else {
2339 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3170 warn "smooth face '$info->{smooth}' not found for face '$face'";
2340 } 3171 }
2341 Coro::cede; 3172
3173 cf::cede_to_tick;
3174 }
3175 }
3176
3177 {
3178 my $anims = $facedata->{animinfo};
3179
3180 while (my ($anim, $info) = each %$anims) {
3181 cf::anim::set $anim, $info->{frames}, $info->{facings};
3182 cf::cede_to_tick;
3183 }
3184
3185 cf::anim::invalidate_all; # d'oh
3186 }
3187
3188 {
3189 # TODO: for gcfclient pleasure, we should give resources
3190 # that gcfclient doesn't grok a >10000 face index.
3191 my $res = $facedata->{resource};
3192
3193 my $soundconf = delete $res->{"res/sound.conf"};
3194
3195 while (my ($name, $info) = each %$res) {
3196 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3197 my $data;
3198
3199 if ($info->{type} & 1) {
3200 # prepend meta info
3201
3202 my $meta = $enc->encode ({
3203 name => $name,
3204 %{ $info->{meta} || {} },
3205 });
3206
3207 $data = pack "(w/a*)*", $meta, $info->{data};
3208 } else {
3209 $data = $info->{data};
3210 }
3211
3212 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3213 cf::face::set_type $idx, $info->{type};
3214
3215 cf::cede_to_tick;
3216 }
3217
3218 if ($soundconf) {
3219 $soundconf = $enc->decode (delete $soundconf->{data});
3220
3221 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3222 my $sound = $soundconf->{compat}[$_]
3223 or next;
3224
3225 my $face = cf::face::find "sound/$sound->[1]";
3226 cf::sound::set $sound->[0] => $face;
3227 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3228 }
3229
3230 while (my ($k, $v) = each %{$soundconf->{event}}) {
3231 my $face = cf::face::find "sound/$v";
3232 cf::sound::set $k => $face;
3233 }
3234 }
2342 } 3235 }
2343 3236
2344 1 3237 1
2345} 3238}
2346 3239
3240register_exticmd fx_want => sub {
3241 my ($ns, $want) = @_;
3242
3243 while (my ($k, $v) = each %$want) {
3244 $ns->fx_want ($k, $v);
3245 }
3246};
3247
3248sub reload_regions {
3249 # HACK to clear player env face cache, we need some signal framework
3250 # for this (global event?)
3251 %ext::player_env::MUSIC_FACE_CACHE = ();
3252
3253 load_resource_file "$MAPDIR/regions"
3254 or die "unable to load regions file\n";
3255
3256 for (cf::region::list) {
3257 $_->{match} = qr/$_->{match}/
3258 if exists $_->{match};
3259 }
3260}
3261
3262sub reload_facedata {
3263 load_facedata "$DATADIR/facedata"
3264 or die "unable to load facedata\n";
3265}
3266
3267sub reload_archetypes {
3268 load_resource_file "$DATADIR/archetypes"
3269 or die "unable to load archetypes\n";
3270 #d# NEED to laod twice to resolve forward references
3271 # this really needs to be done in an extra post-pass
3272 # (which needs to be synchronous, so solve it differently)
3273 load_resource_file "$DATADIR/archetypes"
3274 or die "unable to load archetypes\n";
3275}
3276
3277sub reload_treasures {
3278 load_resource_file "$DATADIR/treasures"
3279 or die "unable to load treasurelists\n";
3280}
3281
2347sub reload_resources { 3282sub reload_resources {
2348 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3283 warn "reloading resource files...\n";
2349 or die "unable to load regions file\n";#d# 3284
3285 reload_regions;
2350 load_facedata 3286 reload_facedata;
2351 or die "unable to load facedata\n";#d# 3287 #reload_archetypes;#d#
3288 reload_archetypes;
3289 reload_treasures;
3290
3291 warn "finished reloading resource files\n";
2352} 3292}
2353 3293
2354sub init { 3294sub init {
2355 reload_resources; 3295 reload_resources;
2356} 3296}
2357 3297
2358sub cfg_load { 3298sub reload_config {
2359 open my $fh, "<:utf8", cf::confdir . "/config" 3299 open my $fh, "<:utf8", "$CONFDIR/config"
2360 or return; 3300 or return;
2361 3301
2362 local $/; 3302 local $/;
2363 *CFG = YAML::Syck::Load <$fh>; 3303 *CFG = YAML::Syck::Load <$fh>;
2364 3304
… …
2379sub main { 3319sub main {
2380 # we must not ever block the main coroutine 3320 # we must not ever block the main coroutine
2381 local $Coro::idle = sub { 3321 local $Coro::idle = sub {
2382 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3322 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2383 (async { 3323 (async {
2384 Event::one_event; 3324 $Coro::current->{desc} = "IDLE BUG HANDLER";
3325 EV::loop EV::LOOP_ONESHOT;
2385 })->prio (Coro::PRIO_MAX); 3326 })->prio (Coro::PRIO_MAX);
2386 }; 3327 };
2387 3328
2388 cfg_load; 3329 reload_config;
2389 db_init; 3330 db_init;
2390 load_extensions; 3331 load_extensions;
2391 3332
2392 $TICK_WATCHER->start; 3333 $TICK_WATCHER->start;
3334 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2393 Event::loop; 3335 EV::loop;
2394} 3336}
2395 3337
2396############################################################################# 3338#############################################################################
2397# initialisation and cleanup 3339# initialisation and cleanup
2398 3340
2399# install some emergency cleanup handlers 3341# install some emergency cleanup handlers
2400BEGIN { 3342BEGIN {
3343 our %SIGWATCHER = ();
2401 for my $signal (qw(INT HUP TERM)) { 3344 for my $signal (qw(INT HUP TERM)) {
2402 Event->signal ( 3345 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2403 reentrant => 0,
2404 data => WF_AUTOCANCEL,
2405 signal => $signal,
2406 prio => 0,
2407 cb => sub {
2408 cf::cleanup "SIG$signal"; 3346 cf::cleanup "SIG$signal";
2409 },
2410 ); 3347 };
3348 }
3349}
3350
3351sub write_runtime {
3352 my $runtime = "$LOCALDIR/runtime";
3353
3354 # first touch the runtime file to show we are still running:
3355 # the fsync below can take a very very long time.
3356
3357 IO::AIO::aio_utime $runtime, undef, undef;
3358
3359 my $guard = cf::lock_acquire "write_runtime";
3360
3361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3362 or return;
3363
3364 my $value = $cf::RUNTIME + 90 + 10;
3365 # 10 is the runtime save interval, for a monotonic clock
3366 # 60 allows for the watchdog to kill the server.
3367
3368 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3369 and return;
3370
3371 # always fsync - this file is important
3372 aio_fsync $fh
3373 and return;
3374
3375 # touch it again to show we are up-to-date
3376 aio_utime $fh, undef, undef;
3377
3378 close $fh
3379 or return;
3380
3381 aio_rename "$runtime~", $runtime
3382 and return;
3383
3384 warn "runtime file written.\n";
3385
2411 } 3386 1
2412} 3387}
2413 3388
2414sub emergency_save() { 3389sub emergency_save() {
2415 my $freeze_guard = cf::freeze_mainloop; 3390 my $freeze_guard = cf::freeze_mainloop;
2416 3391
… …
2422 # and maps saved/destroyed asynchronously. 3397 # and maps saved/destroyed asynchronously.
2423 warn "begin emergency player save\n"; 3398 warn "begin emergency player save\n";
2424 for my $login (keys %cf::PLAYER) { 3399 for my $login (keys %cf::PLAYER) {
2425 my $pl = $cf::PLAYER{$login} or next; 3400 my $pl = $cf::PLAYER{$login} or next;
2426 $pl->valid or next; 3401 $pl->valid or next;
3402 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2427 $pl->save; 3403 $pl->save;
2428 } 3404 }
2429 warn "end emergency player save\n"; 3405 warn "end emergency player save\n";
2430 3406
2431 warn "begin emergency map save\n"; 3407 warn "begin emergency map save\n";
… …
2449 3425
2450 warn Carp::longmess "post_cleanup backtrace" 3426 warn Carp::longmess "post_cleanup backtrace"
2451 if $make_core; 3427 if $make_core;
2452} 3428}
2453 3429
2454sub reload() { 3430sub do_reload_perl() {
2455 # can/must only be called in main 3431 # can/must only be called in main
2456 if ($Coro::current != $Coro::main) { 3432 if ($Coro::current != $Coro::main) {
2457 warn "can only reload from main coroutine"; 3433 warn "can only reload from main coroutine";
2458 return; 3434 return;
2459 } 3435 }
… …
2470 warn "syncing database to disk"; 3446 warn "syncing database to disk";
2471 BDB::db_env_txn_checkpoint $DB_ENV; 3447 BDB::db_env_txn_checkpoint $DB_ENV;
2472 3448
2473 # if anything goes wrong in here, we should simply crash as we already saved 3449 # if anything goes wrong in here, we should simply crash as we already saved
2474 3450
2475 warn "cancelling all WF_AUTOCANCEL watchers";
2476 for (Event::all_watchers) {
2477 $_->cancel if $_->data & WF_AUTOCANCEL;
2478 }
2479
2480 warn "flushing outstanding aio requests"; 3451 warn "flushing outstanding aio requests";
2481 for (;;) { 3452 for (;;) {
2482 BDB::flush; 3453 BDB::flush;
2483 IO::AIO::flush; 3454 IO::AIO::flush;
2484 Coro::cede; 3455 Coro::cede_notself;
2485 last unless IO::AIO::nreqs || BDB::nreqs; 3456 last unless IO::AIO::nreqs || BDB::nreqs;
2486 warn "iterate..."; 3457 warn "iterate...";
2487 } 3458 }
2488 3459
2489 ++$RELOAD; 3460 ++$RELOAD;
… …
2493 %EXT_CORO = (); 3464 %EXT_CORO = ();
2494 3465
2495 warn "removing commands"; 3466 warn "removing commands";
2496 %COMMAND = (); 3467 %COMMAND = ();
2497 3468
2498 warn "removing ext commands"; 3469 warn "removing ext/exti commands";
2499 %EXTCMD = (); 3470 %EXTCMD = ();
3471 %EXTICMD = ();
2500 3472
2501 warn "unloading/nuking all extensions"; 3473 warn "unloading/nuking all extensions";
2502 for my $pkg (@EXTS) { 3474 for my $pkg (@EXTS) {
2503 warn "... unloading $pkg"; 3475 warn "... unloading $pkg";
2504 3476
… …
2534 Symbol::delete_package "safe::$_" 3506 Symbol::delete_package "safe::$_"
2535 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3507 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2536 3508
2537 warn "unloading cf.pm \"a bit\""; 3509 warn "unloading cf.pm \"a bit\"";
2538 delete $INC{"cf.pm"}; 3510 delete $INC{"cf.pm"};
3511 delete $INC{"cf/pod.pm"};
2539 3512
2540 # don't, removes xs symbols, too, 3513 # don't, removes xs symbols, too,
2541 # and global variables created in xs 3514 # and global variables created in xs
2542 #Symbol::delete_package __PACKAGE__; 3515 #Symbol::delete_package __PACKAGE__;
2543 3516
… …
2546 warn "reloading cf.pm"; 3519 warn "reloading cf.pm";
2547 require cf; 3520 require cf;
2548 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3521 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2549 3522
2550 warn "loading config and database again"; 3523 warn "loading config and database again";
2551 cf::cfg_load; 3524 cf::reload_config;
2552 3525
2553 warn "loading extensions"; 3526 warn "loading extensions";
2554 cf::load_extensions; 3527 cf::load_extensions;
2555 3528
2556 warn "reattaching attachments to objects/players"; 3529 warn "reattaching attachments to objects/players";
… …
2558 warn "reattaching attachments to maps"; 3531 warn "reattaching attachments to maps";
2559 reattach $_ for values %MAP; 3532 reattach $_ for values %MAP;
2560 warn "reattaching attachments to players"; 3533 warn "reattaching attachments to players";
2561 reattach $_ for values %PLAYER; 3534 reattach $_ for values %PLAYER;
2562 3535
2563 warn "loading reloadable resources";
2564 reload_resources;
2565
2566 warn "leaving sync_job"; 3536 warn "leaving sync_job";
2567 3537
2568 1 3538 1
2569 } or do { 3539 } or do {
2570 warn $@; 3540 warn $@;
… …
2575 warn "reloaded"; 3545 warn "reloaded";
2576}; 3546};
2577 3547
2578our $RELOAD_WATCHER; # used only during reload 3548our $RELOAD_WATCHER; # used only during reload
2579 3549
3550sub reload_perl() {
3551 # doing reload synchronously and two reloads happen back-to-back,
3552 # coro crashes during coro_state_free->destroy here.
3553
3554 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3555 undef $RELOAD_WATCHER;
3556 do_reload_perl;
3557 };
3558}
3559
2580register_command "reload" => sub { 3560register_command "reload" => sub {
2581 my ($who, $arg) = @_; 3561 my ($who, $arg) = @_;
2582 3562
2583 if ($who->flag (FLAG_WIZ)) { 3563 if ($who->flag (FLAG_WIZ)) {
2584 $who->message ("reloading server."); 3564 $who->message ("reloading server.");
2585 3565 async {
2586 # doing reload synchronously and two reloads happen back-to-back, 3566 $Coro::current->{desc} = "perl_reload";
2587 # coro crashes during coro_state_free->destroy here.
2588
2589 $RELOAD_WATCHER ||= Event->timer (
2590 reentrant => 0,
2591 after => 0,
2592 data => WF_AUTOCANCEL,
2593 cb => sub {
2594 reload; 3567 reload_perl;
2595 undef $RELOAD_WATCHER;
2596 },
2597 ); 3568 };
2598 } 3569 }
2599}; 3570};
2600 3571
2601unshift @INC, $LIBDIR; 3572unshift @INC, $LIBDIR;
2602 3573
2603my $bug_warning = 0; 3574my $bug_warning = 0;
2604 3575
2605$TICK_WATCHER = Event->timer ( 3576our @WAIT_FOR_TICK;
2606 reentrant => 0, 3577our @WAIT_FOR_TICK_BEGIN;
2607 parked => 1, 3578
2608 prio => 0, 3579sub wait_for_tick {
2609 at => $NEXT_TICK || $TICK, 3580 return unless $TICK_WATCHER->is_active;
2610 data => WF_AUTOCANCEL, 3581 return if $Coro::current == $Coro::main;
2611 cb => sub { 3582
3583 my $signal = new Coro::Signal;
3584 push @WAIT_FOR_TICK, $signal;
3585 $signal->wait;
3586}
3587
3588sub wait_for_tick_begin {
3589 return unless $TICK_WATCHER->is_active;
3590 return if $Coro::current == $Coro::main;
3591
3592 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait;
3595}
3596
3597$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2612 if ($Coro::current != $Coro::main) { 3598 if ($Coro::current != $Coro::main) {
2613 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3599 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2614 unless ++$bug_warning > 10; 3600 unless ++$bug_warning > 10;
2615 return; 3601 return;
2616 } 3602 }
2617 3603
2618 $NOW = Event::time; 3604 $NOW = $tick_start = EV::now;
2619 3605
2620 cf::server_tick; # one server iteration 3606 cf::server_tick; # one server iteration
3607
2621 $RUNTIME += $TICK; 3608 $RUNTIME += $TICK;
2622 $NEXT_TICK += $TICK; 3609 $NEXT_TICK += $TICK;
2623 3610
2624 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3611 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2625 $NEXT_RUNTIME_WRITE = $NOW + 10; 3612 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2626 Coro::async_pool { 3613 Coro::async_pool {
3614 $Coro::current->{desc} = "runtime saver";
2627 write_runtime 3615 write_runtime
2628 or warn "ERROR: unable to write runtime file: $!"; 3616 or warn "ERROR: unable to write runtime file: $!";
2629 };
2630 } 3617 };
2631
2632 $WAIT_FOR_TICK->broadcast;
2633 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2634
2635# my $AFTER = Event::time;
2636# warn $AFTER - $NOW;#d#
2637
2638 # if we are delayed by four ticks or more, skip them all
2639 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2640
2641 $TICK_WATCHER->at ($NEXT_TICK);
2642 $TICK_WATCHER->start;
2643 }, 3618 }
2644); 3619
3620 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3621 $sig->send;
3622 }
3623 while (my $sig = shift @WAIT_FOR_TICK) {
3624 $sig->send;
3625 }
3626
3627 $LOAD = ($NOW - $tick_start) / $TICK;
3628 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3629
3630 _post_tick;
3631};
3632$TICK_WATCHER->priority (EV::MAXPRI);
2645 3633
2646{ 3634{
2647 BDB::max_poll_time $TICK * 0.1; 3635 # configure BDB
2648 $BDB_POLL_WATCHER = Event->io ( 3636
2649 reentrant => 0,
2650 fd => BDB::poll_fileno,
2651 poll => 'r',
2652 prio => 0,
2653 data => WF_AUTOCANCEL,
2654 cb => \&BDB::poll_cb,
2655 );
2656 BDB::min_parallel 8; 3637 BDB::min_parallel 8;
2657 3638 BDB::max_poll_reqs $TICK * 0.1;
2658 BDB::set_sync_prepare { 3639 $Coro::BDB::WATCHER->priority (1);
2659 my $status;
2660 my $current = $Coro::current;
2661 (
2662 sub {
2663 $status = $!;
2664 $current->ready; undef $current;
2665 },
2666 sub {
2667 Coro::schedule while defined $current;
2668 $! = $status;
2669 },
2670 )
2671 };
2672 3640
2673 unless ($DB_ENV) { 3641 unless ($DB_ENV) {
2674 $DB_ENV = BDB::db_env_create; 3642 $DB_ENV = BDB::db_env_create;
3643 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3644 | BDB::LOG_AUTOREMOVE, 1);
3645 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3646 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2675 3647
2676 cf::sync_job { 3648 cf::sync_job {
2677 eval { 3649 eval {
2678 BDB::db_env_open 3650 BDB::db_env_open
2679 $DB_ENV, 3651 $DB_ENV,
2680 $BDB_ENV_DIR, 3652 $BDBDIR,
2681 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3653 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2682 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3654 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2683 0666; 3655 0666;
2684 3656
2685 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3657 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2686
2687 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2688 $DB_ENV->set_lk_detect;
2689 }; 3658 };
2690 3659
2691 cf::cleanup "db_env_open(db): $@" if $@; 3660 cf::cleanup "db_env_open(db): $@" if $@;
2692 }; 3661 };
2693 } 3662 }
3663
3664 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3665 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3666 };
3667 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3668 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3669 };
3670 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3671 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3672 };
2694} 3673}
2695 3674
2696{ 3675{
3676 # configure IO::AIO
3677
2697 IO::AIO::min_parallel 8; 3678 IO::AIO::min_parallel 8;
2698
2699 undef $Coro::AIO::WATCHER;
2700 IO::AIO::max_poll_time $TICK * 0.1; 3679 IO::AIO::max_poll_time $TICK * 0.1;
2701 $AIO_POLL_WATCHER = Event->io ( 3680 $Coro::AIO::WATCHER->priority (1);
2702 reentrant => 0,
2703 data => WF_AUTOCANCEL,
2704 fd => IO::AIO::poll_fileno,
2705 poll => 'r',
2706 prio => 6,
2707 cb => \&IO::AIO::poll_cb,
2708 );
2709} 3681}
3682
3683my $_log_backtrace;
3684
3685sub _log_backtrace {
3686 my ($msg, @addr) = @_;
3687
3688 $msg =~ s/\n//;
3689
3690 # limit the # of concurrent backtraces
3691 if ($_log_backtrace < 2) {
3692 ++$_log_backtrace;
3693 async {
3694 $Coro::current->{desc} = "abt $msg";
3695
3696 my @bt = fork_call {
3697 @addr = map { sprintf "%x", $_ } @addr;
3698 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3699 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3700 or die "addr2line: $!";
3701
3702 my @funcs;
3703 my @res = <$fh>;
3704 chomp for @res;
3705 while (@res) {
3706 my ($func, $line) = splice @res, 0, 2, ();
3707 push @funcs, "[$func] $line";
3708 }
3709
3710 @funcs
3711 };
3712
3713 LOG llevInfo, "[ABT] $msg\n";
3714 LOG llevInfo, "[ABT] $_\n" for @bt;
3715 --$_log_backtrace;
3716 };
3717 } else {
3718 LOG llevInfo, "[ABT] $msg\n";
3719 LOG llevInfo, "[ABT] [suppressed]\n";
3720 }
3721}
3722
3723# load additional modules
3724use cf::pod;
2710 3725
2711END { cf::emergency_save } 3726END { cf::emergency_save }
2712 3727
27131 37281
2714 3729

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