ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 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 Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.5 (); 15use Coro 4.1 ();
16use Coro::State;
17use Coro::Handle;
14use Coro::Event; 18use Coro::Event;
15use Coro::Timer; 19use Coro::Timer;
16use Coro::Signal; 20use Coro::Signal;
17use Coro::Semaphore; 21use Coro::Semaphore;
18use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable;
24use Coro::Util ();
19 25
26use JSON::XS ();
20use BDB (); 27use BDB ();
21use Data::Dumper; 28use Data::Dumper;
22use Digest::MD5; 29use Digest::MD5;
23use Fcntl; 30use Fcntl;
24use IO::AIO 2.32 ();
25use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.51 ();
26use Time::HiRes; 33use Time::HiRes;
27use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 ();
28 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30 42
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 44
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
37 47
38$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
40our %COMMAND = (); 52our %COMMAND = ();
41our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
42 54
43our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
47 60
61our $RELOAD; # number of reloads so far
48our @EVENT; 62our @EVENT;
49our $LIBDIR = datadir . "/ext";
50 63
51our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52our $TICK_WATCHER; 77our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 80our $NEXT_TICK;
56our $NOW; 81our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
58 83
59our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
60our $DB_ENV; 88our $DB_ENV;
61 89
62our %CFG; 90our %CFG;
63 91
64our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
65our $RUNTIME; 93our $RUNTIME;
66 94
67our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
68our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
69our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
70our $RANDOM_MAPS = cf::localdir . "/random";
71our $BDB_ENV_DIR = cf::localdir . "/db";
72
73our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75 98
76# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
77our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
79binmode STDOUT; 106binmode STDOUT;
80binmode STDERR; 107binmode STDERR;
81 108
82# read virtual server time, if available 109# read virtual server time, if available
83unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
85 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
86 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
87} 114}
88 115
89mkdir cf::localdir; 116mkdir $_
90mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91mkdir cf::localdir . "/" . cf::tmpdir;
92mkdir cf::localdir . "/" . cf::uniquedir;
93mkdir $RANDOM_MAPS;
94mkdir $BDB_ENV_DIR;
95 118
96our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
97 120
98sub cf::map::normalise; 121sub cf::map::normalise;
99 122
110=item $cf::RUNTIME 133=item $cf::RUNTIME
111 134
112The time this server has run, starts at 0 and is increased by $cf::TICK on 135The time this server has run, starts at 0 and is increased by $cf::TICK on
113every server tick. 136every server tick.
114 137
115=item $cf::LIBDIR 138=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116 141
117The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
118be found. It will be added to C<@INC> automatically. 143directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144unique-items directory, player file directory, random maps directory and
145database environment.
119 146
120=item $cf::NOW 147=item $cf::NOW
121 148
122The time of the last (current) server tick. 149The time of the last (current) server tick.
123 150
124=item $cf::TICK 151=item $cf::TICK
125 152
126The interval between server ticks, in seconds. 153The interval between server ticks, in seconds.
154
155=item $cf::LOADAVG
156
157The current CPU load on the server (alpha-smoothed), as a value between 0
158(none) and 1 (overloaded), indicating how much time is spent on processing
159objects per tick. Healthy values are < 0.5.
160
161=item $cf::LOAD
162
163The raw value load value from the last tick.
127 164
128=item %cf::CFG 165=item %cf::CFG
129 166
130Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
131from wherever your confdir points to. 168from wherever your confdir points to.
132 169
133=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
134 171
135These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 172These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick 173returns directly I<after> the tick processing (and consequently, can only wake one process
137processing has been done. Call C<< ->wait >> on them to maximise the 174per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138window of cpu time available, or simply to synchronise to the server tick. 175
176=item @cf::INVOKE_RESULTS
177
178This array contains the results of the last C<invoke ()> call. When
179C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180that call.
139 181
140=back 182=back
141 183
142=cut 184=cut
143 185
144BEGIN { 186BEGIN {
145 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
146 my $msg = join "", @_; 188 my $msg = join "", @_;
147 utf8::encode $msg;
148 189
149 $msg .= "\n" 190 $msg .= "\n"
150 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151 194
152 LOG llevError, $msg; 195 LOG llevError, $msg;
153 }; 196 };
154} 197}
155 198
156@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 203@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
204@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 205@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162 206
163# we bless all objects into (empty) derived classes to force a method lookup 207# we bless all objects into (empty) derived classes to force a method lookup
164# within the Safe compartment. 208# within the Safe compartment.
165for my $pkg (qw( 209for my $pkg (qw(
166 cf::global cf::attachable 210 cf::global cf::attachable
174} 218}
175 219
176$Event::DIED = sub { 220$Event::DIED = sub {
177 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
178}; 222};
223
224#############################################################################
179 225
180=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
181 227
182=over 4 228=over 4
183 229
202 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203 $d 249 $d
204 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
205} 251}
206 252
207use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
210 254
211Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
212 256
213=cut
214
215sub from_json($) {
216 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217 JSON::Syck::Load $_[0]
218}
219
220=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
221 258
222Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
223 260
224=cut 261=cut
225 262
226sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
228 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
229} 266sub from_json ($) { $json_coder->decode ($_[0]) }
230 267
231=item cf::lock_wait $string 268=item cf::lock_wait $string
232 269
233Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
234 271
237Wait until the given lock is available and then acquires it and returns 274Wait until the given lock is available and then acquires it and returns
238a Coro::guard object. If the guard object gets destroyed (goes out of scope, 275a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
240returned. 277returned.
241 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
242Lock names should begin with a unique identifier (for example, cf::map::find 282Lock names should begin with a unique identifier (for example, cf::map::find
243uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
244 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
245=cut 289=cut
246 290
247our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
248 293
249sub lock_wait($) { 294sub lock_wait($) {
250 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
251 301
252 # wait for lock, if any 302 # wait for lock, if any
253 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
254 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
255 Coro::schedule; 305 Coro::schedule;
261 311
262 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
263 lock_wait $key; 313 lock_wait $key;
264 314
265 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
266 317
267 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
268 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
269 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
270 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
271} 329}
272 330
273sub freeze_mainloop { 331sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
275 333
278 }; 336 };
279 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
280 $guard 338 $guard
281} 339}
282 340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
361 my $signal = new Coro::Signal;
362
363 while () {
364 next_job:
365 my $avail = cf::till_tick;
366 if ($avail > 0.01) {
367 for (0 .. $#SLOT_QUEUE) {
368 if ($SLOT_QUEUE[$_][0] < $avail) {
369 my $job = splice @SLOT_QUEUE, $_, 1, ();
370 $job->[2]->send;
371 Coro::cede;
372 goto next_job;
373 }
374 }
375 }
376
377 if (@SLOT_QUEUE) {
378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
379 push @cf::WAIT_FOR_TICK, $signal;
380 $signal->wait;
381 } else {
382 Coro::schedule;
383 }
384 }
385};
386
387sub get_slot($;$$) {
388 my ($time, $pri, $name) = @_;
389
390 $time = $TICK * .6 if $time > $TICK * .6;
391 my $sig = new Coro::Signal;
392
393 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395 $SLOT_QUEUE->ready;
396 $sig->wait;
397}
398
283=item cf::async { BLOCK } 399=item cf::async { BLOCK }
284 400
285Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
286C<on_destroy>, C<join> or other gimmicks on these coroutines. The only 402C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
290 406
291BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
292 408
293=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
294 410
295The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
296always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
297reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 413partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414acceptable.
298 415
299If it must be done, put the blocking parts into C<sync_job>. This will run 416If it must be done, put the blocking parts into C<sync_job>. This will run
300the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
301server will be frozen during this time, so the block should either finish 418server will be frozen during this time, so the block should either finish
302fast or be very important. 419fast or be very important.
305 422
306sub sync_job(&) { 423sub sync_job(&) {
307 my ($job) = @_; 424 my ($job) = @_;
308 425
309 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
310 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
311 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
312 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
313 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
314 # (but this is cancel-safe) 435 # (but this is cancel-safe)
315 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
316 437
317 my $busy = 1; 438 my $busy = 1;
318 my @res; 439 my @res;
319 440
320 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
321 @res = eval { $job->() }; 443 @res = eval { $job->() };
322 warn $@ if $@; 444 warn $@ if $@;
323 undef $busy; 445 undef $busy;
324 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
325 447
326 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
327 Coro::cede or Event::one_event; 452 Event::one_event;
328 } 453 }
454 }
455
456 $time = Event::time - $time;
457
458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461 $tick_start += $time; # do not account sync jobs to server load
329 462
330 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
331 } else { 464 } else {
332 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
333 466
353 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
354 487
355 $coro 488 $coro
356} 489}
357 490
358sub write_runtime { 491=item fork_call { }, $args
359 my $runtime = cf::localdir . "/runtime";
360 492
361 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 493Executes the given code block with the given arguments in a seperate
362 or return; 494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
363 497
364 my $value = $cf::RUNTIME + 90 + 10; 498=cut
365 # 10 is the runtime save interval, for a monotonic clock
366 # 60 allows for the watchdog to kill the server.
367 499
368 (aio_write $fh, 0, (length $value), $value, 0) <= 0 500sub fork_call(&@) {
369 and return; 501 my ($cb, @args) = @_;
370 502
371 # always fsync - this file is important 503 # we seemingly have to make a local copy of the whole thing,
372 aio_fsync $fh 504 # otherwise perl prematurely frees the stuff :/
373 and return; 505 # TODO: investigate and fix (likely this will be rather laborious)
374 506
375 close $fh 507 my @res = Coro::Util::fork_eval {
376 or return; 508 reset_signals;
509 &$cb
510 }, @args;
377 511
378 aio_rename "$runtime~", $runtime 512 wantarray ? @res : $res[-1]
379 and return; 513}
380 514
515=item $value = cf::db_get $family => $key
516
517Returns a single value from the environment database.
518
519=item cf::db_put $family => $key => $value
520
521Stores the given C<$value> in the family. It can currently store binary
522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
381 1 564 }
565}
566
567sub db_put($$$) {
568 BDB::dbreq_pri 4;
569 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
570}
571
572=item cf::cache $id => [$paths...], $processversion => $process
573
574Generic caching function that returns the value of the resource $id,
575caching and regenerating as required.
576
577This function can block.
578
579=cut
580
581sub cache {
582 my ($id, $src, $processversion, $process) = @_;
583
584 my $meta =
585 join "\x00",
586 $processversion,
587 map {
588 aio_stat $_
589 and Carp::croak "$_: $!";
590
591 ($_, (stat _)[7,9])
592 } @$src;
593
594 my $dbmeta = db_get cache => "$id/meta";
595 if ($dbmeta ne $meta) {
596 # changed, we may need to process
597
598 my @data;
599 my $md5;
600
601 for (0 .. $#$src) {
602 0 <= aio_load $src->[$_], $data[$_]
603 or Carp::croak "$src->[$_]: $!";
604 }
605
606 # if processing is expensive, check
607 # checksum first
608 if (1) {
609 $md5 =
610 join "\x00",
611 $processversion,
612 map {
613 cf::cede_to_tick;
614 ($src->[$_], Digest::MD5::md5_hex $data[$_])
615 } 0.. $#$src;
616
617
618 my $dbmd5 = db_get cache => "$id/md5";
619 if ($dbmd5 eq $md5) {
620 db_put cache => "$id/meta", $meta;
621
622 return db_get cache => "$id/data";
623 }
624 }
625
626 my $t1 = Time::HiRes::time;
627 my $data = $process->(\@data);
628 my $t2 = Time::HiRes::time;
629
630 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
631
632 db_put cache => "$id/data", $data;
633 db_put cache => "$id/md5" , $md5;
634 db_put cache => "$id/meta", $meta;
635
636 return $data;
637 }
638
639 db_get cache => "$id/data"
640}
641
642=item cf::datalog type => key => value, ...
643
644Log a datalog packet of the given type with the given key-value pairs.
645
646=cut
647
648sub datalog($@) {
649 my ($type, %kv) = @_;
650 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382} 651}
383 652
384=back 653=back
385 654
386=cut 655=cut
393attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
394to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
395 664
396In the following description, CLASS can be any of C<global>, C<object> 665In the following description, CLASS can be any of C<global>, C<object>
397C<player>, C<client> or C<map> (i.e. the attachable objects in 666C<player>, C<client> or C<map> (i.e. the attachable objects in
398crossfire+). 667Crossfire TRT).
399 668
400=over 4 669=over 4
401 670
402=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
403 672
566 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
567 836
568 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
569 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
570 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
571 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572 841
573 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
574 my $pkg = shift @arg; 843 my $pkg = shift @arg;
575 844
576 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
605 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
606 } 875 }
607 876
608 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
609 } else { 878 } else {
610 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
611 } 880 }
612 881
613 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
614} 883}
615 884
617 if (ref $_[0]) { 886 if (ref $_[0]) {
618 _object_attach @_; 887 _object_attach @_;
619 } else { 888 } else {
620 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
621 } 890 }
891 _recalc_want;
622}; 892};
623 893
624# all those should be optimised 894# all those should be optimised
625sub cf::attachable::detach { 895sub cf::attachable::detach {
626 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
629 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
630 reattach ($obj); 900 reattach ($obj);
631 } else { 901 } else {
632 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
633 } 903 }
904 _recalc_want;
634}; 905};
635 906
636sub cf::attachable::attached { 907sub cf::attachable::attached {
637 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
638 909
653 "; 924 ";
654 die if $@; 925 die if $@;
655} 926}
656 927
657our $override; 928our $override;
658our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 929our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659 930
660sub override { 931sub override {
661 $override = 1; 932 $override = 1;
662 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
663} 934}
664 935
665sub do_invoke { 936sub do_invoke {
666 my $event = shift; 937 my $event = shift;
667 my $callbacks = shift; 938 my $callbacks = shift;
668 939
669 @invoke_results = (); 940 @INVOKE_RESULTS = ();
670 941
671 local $override; 942 local $override;
672 943
673 for (@$callbacks) { 944 for (@$callbacks) {
674 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
691 962
692Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
693 964
694This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 965This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695removed in future versions), and there is no public API to access override 966removed in future versions), and there is no public API to access override
696results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697 968
698=back 969=back
699 970
700=cut 971=cut
701 972
702############################################################################# 973#############################################################################
703# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
704 1017
705sub reattach { 1018sub reattach {
706 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
707 my ($obj) = @_; 1020 my ($obj) = @_;
708 1021
755sub object_freezer_save { 1068sub object_freezer_save {
756 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
757 1070
758 sync_job { 1071 sync_job {
759 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
760 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
761 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
762 1076
763 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
765 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
767 close $fh; 1081 close $fh;
768 1082
769 if (@$objs) { 1083 if (@$objs) {
770 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
772 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
774 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
775 close $fh; 1089 close $fh;
776 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
777 } 1091 }
785 } 1099 }
786 } else { 1100 } else {
787 aio_unlink $filename; 1101 aio_unlink $filename;
788 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
789 } 1103 }
790
791 #d##TODO# nuke non .map-files if exist
792 if ($filename =~ s/\.map$//) {
793 aio_unlink $filename;
794 aio_unlink "$filename.pst";
795 }
796 } 1104 };
797} 1105}
798 1106
799sub object_freezer_as_string { 1107sub object_freezer_as_string {
800 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
801 1109
806 1114
807sub object_thawer_load { 1115sub object_thawer_load {
808 my ($filename) = @_; 1116 my ($filename) = @_;
809 1117
810 my ($data, $av); 1118 my ($data, $av);
811
812 #d#TODO remove .map if file does not exist
813 aio_stat $filename and $filename =~ s/\.map$//;
814 1119
815 (aio_load $filename, $data) >= 0 1120 (aio_load $filename, $data) >= 0
816 or return; 1121 or return;
817 1122
818 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
819 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
820 or return; 1125 or return;
1126
821 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
822 } 1129 }
823 1130
1131 utf8::decode (my $decname = $filename);
824 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
825 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
826 return ($data, $av); 1135 ($data, $av)
827} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
828 1143
829############################################################################# 1144#############################################################################
830# command handling &c 1145# command handling &c
831 1146
832=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
845 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
846} 1161}
847 1162
848=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
849 1164
850Register a callbackf ro execution when the client sends an extcmd packet. 1165Register a callback for execution when the client sends an (synchronous)
1166extcmd packet. Ext commands will be processed in the order they are
1167received by the server, like other user commands. The first argument is
1168the logged-in player. Ext commands can only be processed after a player
1169has logged in successfully.
851 1170
852If the callback returns something, it is sent back as if reply was being 1171If the callback returns something, it is sent back as if reply was being
853called. 1172called.
854 1173
1174=item cf::register_exticmd $name => \&callback($ns,$packet);
1175
1176Register a callback for execution when the client sends an (asynchronous)
1177exticmd packet. Exti commands are processed by the server as soon as they
1178are received, i.e. out of order w.r.t. other commands. The first argument
1179is a client socket. Exti commands can be received anytime, even before
1180log-in.
1181
1182If the callback returns something, it is sent back as if reply was being
1183called.
1184
855=cut 1185=cut
856 1186
857sub register_extcmd { 1187sub register_extcmd {
858 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
859 1189
860 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
861} 1197}
862 1198
863cf::player->attach ( 1199cf::player->attach (
864 on_command => sub { 1200 on_command => sub {
865 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
874 cf::override; 1210 cf::override;
875 }, 1211 },
876 on_extcmd => sub { 1212 on_extcmd => sub {
877 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
878 1214
879 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880 1216
881 if (ref $msg) { 1217 if (ref $msg) {
1218 my ($type, $reply, @payload) =
1219 "ARRAY" eq ref $msg
1220 ? @$msg
1221 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222
1223 my @reply;
1224
882 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
883 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
884 $pl->ext_reply ($msg->{msgid}, %reply);
885 }
886 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
887 } else { 1232 } else {
888 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889 } 1234 }
890 1235
891 cf::override; 1236 cf::override;
892 }, 1237 },
893); 1238);
894 1239
895sub load_extension {
896 my ($path) = @_;
897
898 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
899 my $base = $1;
900 my $pkg = $1;
901 $pkg =~ s/[^[:word:]]/_/g;
902 $pkg = "ext::$pkg";
903
904 warn "... loading '$path' into '$pkg'\n";
905
906 open my $fh, "<:utf8", $path
907 or die "$path: $!";
908
909 my $source =
910 "package $pkg; use strict; use utf8;\n"
911 . "#line 1 \"$path\"\n{\n"
912 . (do { local $/; <$fh> })
913 . "\n};\n1";
914
915 unless (eval $source) {
916 my $msg = $@ ? "$path: $@\n"
917 : "extension disabled.\n";
918 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919 warn $@;
920 warn "mandatory extension failed to load, exiting.\n";
921 exit 1;
922 }
923 die $@;
924 }
925
926 push @EXTS, $pkg;
927}
928
929sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
930 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
931 next unless -r $ext; 1245 next unless -r $path;
932 eval { 1246
933 load_extension $ext; 1247 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1248 my $base = $1;
1249 my $pkg = $1;
1250 $pkg =~ s/[^[:word:]]/_/g;
1251 $pkg = "ext::$pkg";
1252
1253 open my $fh, "<:utf8", $path
1254 or die "$path: $!";
1255
1256 my $source = do { local $/; <$fh> };
1257
1258 my %ext = (
1259 path => $path,
1260 base => $base,
1261 pkg => $pkg,
1262 );
1263
1264 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266
1267 $ext{source} =
1268 "package $pkg; use strict; use utf8;\n"
1269 . "#line 1 \"$path\"\n{\n"
1270 . $source
1271 . "\n};\n1";
1272
1273 $todo{$base} = \%ext;
1274 }
1275
1276 my %done;
1277 while (%todo) {
1278 my $progress;
1279
1280 while (my ($k, $v) = each %todo) {
1281 for (split /,\s*/, $v->{meta}{depends}) {
1282 goto skip
1283 unless exists $done{$_};
1284 }
1285
1286 warn "... loading '$k' into '$v->{pkg}'\n";
1287
1288 unless (eval $v->{source}) {
1289 my $msg = $@ ? "$v->{path}: $@\n"
1290 : "$v->{base}: extension inactive.\n";
1291
1292 if (exists $v->{meta}{mandatory}) {
1293 warn $msg;
1294 warn "mandatory extension failed to load, exiting.\n";
1295 exit 1;
1296 }
1297
1298 warn $msg;
1299 }
1300
1301 $done{$k} = delete $todo{$k};
1302 push @EXTS, $v->{pkg};
1303 $progress = 1;
934 1 1304 }
935 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
936 } 1310 };
937} 1311}
938 1312
939############################################################################# 1313#############################################################################
940 1314
1315=back
1316
941=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
942 1318
943Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
944 1320
945=cut 1321=cut
950 1326
951=head3 cf::player 1327=head3 cf::player
952 1328
953=over 4 1329=over 4
954 1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1344
955=item cf::player::find $login 1345=item cf::player::find $login
956 1346
957Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
958 1348
959=cut 1349=cut
960 1350
961sub playerdir($) { 1351sub playerdir($) {
962 cf::localdir 1352 "$PLAYERDIR/"
963 . "/"
964 . cf::playerdir
965 . "/"
966 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
967} 1354}
968 1355
969sub path($) { 1356sub path($) {
970 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971 1358
972 (playerdir $login) . "/$login.pl" 1359 (playerdir $login) . "/playerdata"
973} 1360}
974 1361
975sub find_active($) { 1362sub find_active($) {
976 $cf::PLAYER{$_[0]} 1363 $cf::PLAYER{$_[0]}
977 and $cf::PLAYER{$_[0]}->active 1364 and $cf::PLAYER{$_[0]}->active
990 my $login = $_[0]; 1377 my $login = $_[0];
991 1378
992 my $guard = cf::lock_acquire "user_find:$login"; 1379 my $guard = cf::lock_acquire "user_find:$login";
993 1380
994 $cf::PLAYER{$_[0]} || do { 1381 $cf::PLAYER{$_[0]} || do {
995 my $pl = load_pl path $login 1382 # rename old playerfiles to new ones
1383 #TODO: remove when no longer required
1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1387 aio_unlink +(playerdir $login) . "/$login.pl";
1388
1389 my $f = new_from_file cf::object::thawer path $login
996 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
997 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
998 } 1397 }
999 } 1398 }
1000} 1399}
1001 1400
1011 1410
1012 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1013 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1014 1413
1015 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1016 Coro::cede; 1415 cf::cede_to_tick;
1017} 1416}
1018 1417
1019sub new($) { 1418sub new($) {
1020 my ($login) = @_; 1419 my ($login) = @_;
1021 1420
1027 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1028 1427
1029 $self 1428 $self
1030} 1429}
1031 1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1439}
1440
1032=item $pl->quit_character 1441=item $pl->quit_character
1033 1442
1034Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1035be destroyed. May block for a long time. 1444be destroyed. May block for a long time.
1036 1445
1037=cut 1446=cut
1038 1447
1039sub quit_character { 1448sub quit_character {
1040 my ($pl) = @_; 1449 my ($pl) = @_;
1450
1451 my $name = $pl->ob->name;
1041 1452
1042 $pl->{deny_save} = 1; 1453 $pl->{deny_save} = 1;
1043 $pl->password ("*"); # this should lock out the player until we nuked the dir 1454 $pl->password ("*"); # this should lock out the player until we nuked the dir
1044 1455
1045 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1456 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 my $path = playerdir $pl; 1461 my $path = playerdir $pl;
1051 my $temp = "$path~$cf::RUNTIME~deleting~"; 1462 my $temp = "$path~$cf::RUNTIME~deleting~";
1052 aio_rename $path, $temp; 1463 aio_rename $path, $temp;
1053 delete $cf::PLAYER{$pl->ob->name}; 1464 delete $cf::PLAYER{$pl->ob->name};
1054 $pl->destroy; 1465 $pl->destroy;
1466
1467 my $prefix = qr<^~\Q$name\E/>;
1468
1469 # nuke player maps
1470 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1471
1055 IO::AIO::aio_rmtree $temp; 1472 IO::AIO::aio_rmtree $temp;
1473}
1474
1475=item $pl->kick
1476
1477Kicks a player out of the game. This destroys the connection.
1478
1479=cut
1480
1481sub kick {
1482 my ($pl, $kicker) = @_;
1483
1484 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1485 $pl->killer ("kicked");
1486 $pl->ns->destroy;
1056} 1487}
1057 1488
1058=item cf::player::list_logins 1489=item cf::player::list_logins
1059 1490
1060Returns am arrayref of all valid playernames in the system, can take a 1491Returns am arrayref of all valid playernames in the system, can take a
1061while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1062 1493
1063=cut 1494=cut
1064 1495
1065sub list_logins { 1496sub list_logins {
1066 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1067 or return []; 1498 or return [];
1068 1499
1069 my @logins; 1500 my @logins;
1070 1501
1071 for my $login (@$dirs) { 1502 for my $login (@$dirs) {
1503 my $path = path $login;
1504
1505 # a .pst is a dead give-away for a valid player
1506 unless (-e "$path.pst") {
1072 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1074 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1075 1511
1076 utf8::decode $login; 1512 utf8::decode $login;
1077 push @logins, $login; 1513 push @logins, $login;
1078 } 1514 }
1079 1515
1106 } 1542 }
1107 1543
1108 \@paths 1544 \@paths
1109} 1545}
1110 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553sub expand_cfpod {
1554 ((my $self), (local $_)) = @_;
1555
1556 # escape & and <
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559
1560 # this is buggy, it needs to properly take care of nested <'s
1561
1562 1 while
1563 # replace B<>, I<>, U<> etc.
1564 s/B<([^\>]*)>/<b>$1<\/b>/
1565 || s/I<([^\>]*)>/<i>$1<\/i>/
1566 || s/U<([^\>]*)>/<u>$1<\/u>/
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568 # replace G<male|female> tags
1569 || s{G<([^>|]*)\|([^>]*)>}{
1570 $self->gender ? $2 : $1
1571 }ge
1572 # replace H<hint text>
1573 || s{H<([^\>]*)>}
1574 {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "")
1578 [$self->{hintmode}]
1579 }ge;
1580
1581 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g;
1583
1584 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines
1589
1590 $_
1591}
1592
1593sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode}
1596}
1597
1111=item $player->ext_reply ($msgid, $msgtype, %msg) 1598=item $player->ext_reply ($msgid, @msg)
1112 1599
1113Sends an ext reply to the player. 1600Sends an ext reply to the player.
1114 1601
1115=cut 1602=cut
1116 1603
1117sub ext_reply($$$%) { 1604sub ext_reply($$@) {
1118 my ($self, $id, %msg) = @_; 1605 my ($self, $id, @msg) = @_;
1119 1606
1120 $msg{msgid} = $id; 1607 $self->ns->ext_reply ($id, @msg)
1121
1122 $self->send ("ext " . cf::to_json \%msg);
1123} 1608}
1124 1609
1125package cf; 1610=item $player->ext_msg ($type, @msg)
1611
1612Sends an ext event to the client.
1613
1614=cut
1615
1616sub ext_msg($$@) {
1617 my ($self, $type, @msg) = @_;
1618
1619 $self->ns->ext_msg ($type, @msg);
1620}
1621
1622=head3 cf::region
1623
1624=over 4
1625
1626=cut
1627
1628package cf::region;
1629
1630=item cf::region::find_by_path $path
1631
1632Tries to decuce the likely region for a map knowing only its path.
1633
1634=cut
1635
1636sub find_by_path($) {
1637 my ($path) = @_;
1638
1639 my ($match, $specificity);
1640
1641 for my $region (list) {
1642 if ($region->{match} && $path =~ $region->{match}) {
1643 ($match, $specificity) = ($region, $region->specificity)
1644 if $region->specificity > $specificity;
1645 }
1646 }
1647
1648 $match
1649}
1126 1650
1127=back 1651=back
1128
1129 1652
1130=head3 cf::map 1653=head3 cf::map
1131 1654
1132=over 4 1655=over 4
1133 1656
1188 my ($self, $merge) = @_; 1711 my ($self, $merge) = @_;
1189 1712
1190 # we have to keep some variables in memory intact 1713 # we have to keep some variables in memory intact
1191 local $self->{path}; 1714 local $self->{path};
1192 local $self->{load_path}; 1715 local $self->{load_path};
1193 local $self->{deny_save};
1194 local $self->{deny_reset};
1195 1716
1196 $self->SUPER::thawer_merge ($merge); 1717 $self->SUPER::thawer_merge ($merge);
1197} 1718}
1198 1719
1199sub normalise { 1720sub normalise {
1246 $self->init; # pass $1 etc. 1767 $self->init; # pass $1 etc.
1247 return $self; 1768 return $self;
1248 } 1769 }
1249 } 1770 }
1250 1771
1251 Carp::carp "unable to resolve path '$path' (base '$base')."; 1772 Carp::cluck "unable to resolve path '$path' (base '$base').";
1252 () 1773 ()
1253} 1774}
1254 1775
1255sub init { 1776sub init {
1256 my ($self) = @_; 1777 my ($self) = @_;
1271 1792
1272# the original (read-only) location 1793# the original (read-only) location
1273sub load_path { 1794sub load_path {
1274 my ($self) = @_; 1795 my ($self) = @_;
1275 1796
1276 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1797 "$MAPDIR/$self->{path}.map"
1277} 1798}
1278 1799
1279# the temporary/swap location 1800# the temporary/swap location
1280sub save_path { 1801sub save_path {
1281 my ($self) = @_; 1802 my ($self) = @_;
1282 1803
1283 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1804 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1805 "$TMPDIR/$path.map"
1285} 1806}
1286 1807
1287# the unique path, undef == no special unique path 1808# the unique path, undef == no special unique path
1288sub uniq_path { 1809sub uniq_path {
1289 my ($self) = @_; 1810 my ($self) = @_;
1290 1811
1291 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1812 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1813 "$UNIQUEDIR/$path"
1293} 1814}
1294 1815
1295# and all this just because we cannot iterate over 1816# and all this just because we cannot iterate over
1296# all maps in C++... 1817# all maps in C++...
1297sub change_all_map_light { 1818sub change_all_map_light {
1299 1820
1300 $_->change_map_light ($change) 1821 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1822 for grep $_->outdoor, values %cf::MAP;
1302} 1823}
1303 1824
1825sub decay_objects {
1826 my ($self) = @_;
1827
1828 return if $self->{deny_reset};
1829
1830 $self->do_decay_objects;
1831}
1832
1304sub unlink_save { 1833sub unlink_save {
1305 my ($self) = @_; 1834 my ($self) = @_;
1306 1835
1307 utf8::encode (my $save = $self->save_path); 1836 utf8::encode (my $save = $self->save_path);
1308 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1837 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1838 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311 #d#TODO remove .map and also nuke
1312 $save =~ s/\.map// or return;#d#
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315} 1839}
1316 1840
1317sub load_header_from($) { 1841sub load_header_from($) {
1318 my ($self, $path) = @_; 1842 my ($self, $path) = @_;
1319 1843
1320 utf8::encode $path; 1844 utf8::encode $path;
1321 #aio_open $path, O_RDONLY, 0 1845 my $f = new_from_file cf::object::thawer $path
1322 # or return;
1323
1324 $self->_load_header ($path)
1325 or return; 1846 or return;
1847
1848 $self->_load_header ($f)
1849 or return;
1850
1851 local $MAP_LOADING{$self->{path}} = $self;
1852 $f->resolve_delayed_derefs;
1326 1853
1327 $self->{load_path} = $path; 1854 $self->{load_path} = $path;
1328 1855
1329 1 1856 1
1330} 1857}
1369 $self->load_header_orig 1896 $self->load_header_orig
1370 or return; 1897 or return;
1371 $self->prepare_orig; 1898 $self->prepare_orig;
1372 } 1899 }
1373 1900
1901 $self->{deny_reset} = 1
1902 if $self->no_reset;
1903
1904 $self->default_region (cf::region::find_by_path $self->{path})
1905 unless $self->default_region;
1906
1374 1 1907 1
1375} 1908}
1376 1909
1377sub find; 1910sub find;
1378sub find { 1911sub find {
1379 my ($path, $origin) = @_; 1912 my ($path, $origin) = @_;
1380 1913
1381 $path = normalise $path, $origin && $origin->path; 1914 $path = normalise $path, $origin && $origin->path;
1382 1915
1916 cf::lock_wait "map_data:$path";#d#remove
1383 cf::lock_wait "map_find:$path"; 1917 cf::lock_wait "map_find:$path";
1384 1918
1385 $cf::MAP{$path} || do { 1919 $cf::MAP{$path} || do {
1386 my $guard = cf::lock_acquire "map_find:$path"; 1920 my $guard1 = cf::lock_acquire "map_find:$path";
1921 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1387 my $map = new_from_path cf::map $path 1923 my $map = new_from_path cf::map $path
1388 or return; 1924 or return;
1389 1925
1390 $map->{last_save} = $cf::RUNTIME; 1926 $map->{last_save} = $cf::RUNTIME;
1391 1927
1392 $map->load_header 1928 $map->load_header
1393 or return; 1929 or return;
1394 1930
1395 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1931 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396 # doing this can freeze the server in a sync job, obviously 1932 # doing this can freeze the server in a sync job, obviously
1397 #$cf::WAIT_FOR_TICK->wait; 1933 #$cf::WAIT_FOR_TICK->wait;
1934 undef $guard1;
1935 undef $guard2;
1398 $map->reset; 1936 $map->reset;
1399 undef $guard;
1400 return find $path; 1937 return find $path;
1401 } 1938 }
1402 1939
1403 $cf::MAP{$path} = $map 1940 $cf::MAP{$path} = $map
1404 } 1941 }
1411 my ($self) = @_; 1948 my ($self) = @_;
1412 1949
1413 local $self->{deny_reset} = 1; # loading can take a long time 1950 local $self->{deny_reset} = 1; # loading can take a long time
1414 1951
1415 my $path = $self->{path}; 1952 my $path = $self->{path};
1953
1954 {
1416 my $guard = cf::lock_acquire "map_load:$path"; 1955 my $guard = cf::lock_acquire "map_data:$path";
1417 1956
1957 return unless $self->valid;
1418 return if $self->in_memory != cf::MAP_SWAPPED; 1958 return unless $self->in_memory == cf::MAP_SWAPPED;
1419 1959
1420 $self->in_memory (cf::MAP_LOADING); 1960 $self->in_memory (cf::MAP_LOADING);
1421 1961
1422 $self->alloc; 1962 $self->alloc;
1423 1963
1424 $self->pre_load; 1964 $self->pre_load;
1965 cf::cede_to_tick;
1425 1966
1426 $self->_load_objects ($self->{load_path}, 1) 1967 my $f = new_from_file cf::object::thawer $self->{load_path};
1968 $f->skip_block;
1969 $self->_load_objects ($f)
1427 or return; 1970 or return;
1428 1971
1429 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1972 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430 if delete $self->{load_original}; 1973 if delete $self->{load_original};
1431 1974
1432 if (my $uniq = $self->uniq_path) { 1975 if (my $uniq = $self->uniq_path) {
1433 utf8::encode $uniq; 1976 utf8::encode $uniq;
1434 if (aio_open $uniq, O_RDONLY, 0) { 1977 unless (aio_stat $uniq) {
1978 if (my $f = new_from_file cf::object::thawer $uniq) {
1435 $self->clear_unique_items; 1979 $self->clear_unique_items;
1436 $self->_load_objects ($uniq, 0); 1980 $self->_load_objects ($f);
1981 $f->resolve_delayed_derefs;
1982 }
1437 } 1983 }
1438 } 1984 }
1439 1985
1440 Coro::cede; 1986 $f->resolve_delayed_derefs;
1441 1987
1988 cf::cede_to_tick;
1442 # now do the right thing for maps 1989 # now do the right thing for maps
1443 $self->link_multipart_objects; 1990 $self->link_multipart_objects;
1444
1445 unless ($self->{deny_activate}) {
1446 $self->decay_objects;
1447 $self->fix_auto_apply;
1448 $self->update_buttons;
1449 Coro::cede;
1450 $self->set_darkness_map;
1451 $self->difficulty ($self->estimate_difficulty) 1991 $self->difficulty ($self->estimate_difficulty)
1452 unless $self->difficulty; 1992 unless $self->difficulty;
1453 Coro::cede; 1993 cf::cede_to_tick;
1994
1995 unless ($self->{deny_activate}) {
1996 $self->decay_objects;
1997 $self->fix_auto_apply;
1998 $self->update_buttons;
1999 cf::cede_to_tick;
2000 $self->set_darkness_map;
2001 cf::cede_to_tick;
1454 $self->activate; 2002 $self->activate;
2003 }
2004
2005 $self->{last_save} = $cf::RUNTIME;
2006 $self->last_access ($cf::RUNTIME);
2007
2008 $self->in_memory (cf::MAP_IN_MEMORY);
1455 } 2009 }
1456 2010
1457 $self->post_load; 2011 $self->post_load;
1458
1459 $self->in_memory (cf::MAP_IN_MEMORY);
1460} 2012}
1461 2013
1462sub customise_for { 2014sub customise_for {
1463 my ($self, $ob) = @_; 2015 my ($self, $ob) = @_;
1464 2016
1465 return find "~" . $ob->name . "/" . $self->{path} 2017 return find "~" . $ob->name . "/" . $self->{path}
1466 if $self->per_player; 2018 if $self->per_player;
1467 2019
2020# return find "?party/" . $ob->name . "/" . $self->{path}
2021# if $self->per_party;
2022
1468 $self 2023 $self
1469} 2024}
1470 2025
1471# find and load all maps in the 3x3 area around a map 2026# find and load all maps in the 3x3 area around a map
1472sub load_diag { 2027sub load_neighbours {
1473 my ($map) = @_; 2028 my ($map) = @_;
1474 2029
1475 my @diag; # diagonal neighbours 2030 my @neigh; # diagonal neighbours
1476 2031
1477 for (0 .. 3) { 2032 for (0 .. 3) {
1478 my $neigh = $map->tile_path ($_) 2033 my $neigh = $map->tile_path ($_)
1479 or next; 2034 or next;
1480 $neigh = find $neigh, $map 2035 $neigh = find $neigh, $map
1481 or next; 2036 or next;
1482 $neigh->load; 2037 $neigh->load;
1483 2038
2039 push @neigh,
1484 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2040 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2041 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1486 } 2042 }
1487 2043
1488 for (@diag) { 2044 for (grep defined $_->[0], @neigh) {
2045 my ($path, $origin) = @$_;
1489 my $neigh = find @$_ 2046 my $neigh = find $path, $origin
1490 or next; 2047 or next;
1491 $neigh->load; 2048 $neigh->load;
1492 } 2049 }
1493} 2050}
1494 2051
1499} 2056}
1500 2057
1501sub do_load_sync { 2058sub do_load_sync {
1502 my ($map) = @_; 2059 my ($map) = @_;
1503 2060
2061 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2062 if $Coro::current == $Coro::main;
2063
1504 cf::sync_job { $map->load }; 2064 cf::sync_job { $map->load };
1505} 2065}
1506 2066
1507our %MAP_PREFETCH; 2067our %MAP_PREFETCH;
1508our $MAP_PREFETCHER = undef; 2068our $MAP_PREFETCHER = undef;
1509 2069
1510sub find_async { 2070sub find_async {
1511 my ($path, $origin) = @_; 2071 my ($path, $origin, $load) = @_;
1512 2072
1513 $path = normalise $path, $origin && $origin->{path}; 2073 $path = normalise $path, $origin && $origin->{path};
1514 2074
1515 if (my $map = $cf::MAP{$path}) { 2075 if (my $map = $cf::MAP{$path}) {
1516 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2076 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517 } 2077 }
1518 2078
1519 undef $MAP_PREFETCH{$path}; 2079 $MAP_PREFETCH{$path} |= $load;
2080
1520 $MAP_PREFETCHER ||= cf::async { 2081 $MAP_PREFETCHER ||= cf::async {
2082 $Coro::current->{desc} = "map prefetcher";
2083
1521 while (%MAP_PREFETCH) { 2084 while (%MAP_PREFETCH) {
1522 for my $path (keys %MAP_PREFETCH) { 2085 while (my ($k, $v) = each %MAP_PREFETCH) {
1523 my $map = find $path 2086 if (my $map = find $k) {
1524 or next;
1525 $map->load; 2087 $map->load if $v;
2088 }
1526 2089
1527 delete $MAP_PREFETCH{$path}; 2090 delete $MAP_PREFETCH{$k};
1528 } 2091 }
1529 } 2092 }
1530 undef $MAP_PREFETCHER; 2093 undef $MAP_PREFETCHER;
1531 }; 2094 };
1532 $MAP_PREFETCHER->prio (6); 2095 $MAP_PREFETCHER->prio (6);
1535} 2098}
1536 2099
1537sub save { 2100sub save {
1538 my ($self) = @_; 2101 my ($self) = @_;
1539 2102
1540 my $lock = cf::lock_acquire "map_data:" . $self->path; 2103 my $lock = cf::lock_acquire "map_data:$self->{path}";
1541 2104
1542 $self->{last_save} = $cf::RUNTIME; 2105 $self->{last_save} = $cf::RUNTIME;
1543 2106
1544 return unless $self->dirty; 2107 return unless $self->dirty;
1545 2108
1551 return if $self->{deny_save}; 2114 return if $self->{deny_save};
1552 2115
1553 local $self->{last_access} = $self->last_access;#d# 2116 local $self->{last_access} = $self->last_access;#d#
1554 2117
1555 cf::async { 2118 cf::async {
2119 $Coro::current->{desc} = "map player save";
1556 $_->contr->save for $self->players; 2120 $_->contr->save for $self->players;
1557 }; 2121 };
1558 2122
1559 if ($uniq) { 2123 if ($uniq) {
1560 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2124 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1568 my ($self) = @_; 2132 my ($self) = @_;
1569 2133
1570 # save first because save cedes 2134 # save first because save cedes
1571 $self->save; 2135 $self->save;
1572 2136
1573 my $lock = cf::lock_acquire "map_data:" . $self->path; 2137 my $lock = cf::lock_acquire "map_data:$self->{path}";
1574 2138
1575 return if $self->players; 2139 return if $self->players;
1576 return if $self->in_memory != cf::MAP_IN_MEMORY; 2140 return if $self->in_memory != cf::MAP_IN_MEMORY;
1577 return if $self->{deny_save}; 2141 return if $self->{deny_save};
1578 2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 $self->deactivate;
2146 $_->clear_links_to ($self) for values %cf::MAP;
1579 $self->clear; 2147 $self->clear;
1580 $self->in_memory (cf::MAP_SWAPPED);
1581} 2148}
1582 2149
1583sub reset_at { 2150sub reset_at {
1584 my ($self) = @_; 2151 my ($self) = @_;
1585 2152
1586 # TODO: safety, remove and allow resettable per-player maps 2153 # TODO: safety, remove and allow resettable per-player maps
1587 return 1e99 if $self->isa ("ext::map_per_player");#d#
1588 return 1e99 if $self->{deny_reset}; 2154 return 1e99 if $self->{deny_reset};
1589 2155
1590 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2156 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2157 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592 2158
1603 my ($self) = @_; 2169 my ($self) = @_;
1604 2170
1605 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1606 2172
1607 return if $self->players; 2173 return if $self->players;
1608 return if $self->isa ("ext::map_per_player");#d#
1609 2174
1610 warn "resetting map ", $self->path;#d# 2175 warn "resetting map ", $self->path;
1611 2176
1612 $self->in_memory (cf::MAP_SWAPPED); 2177 $self->in_memory (cf::MAP_SWAPPED);
1613 2178
1614 # need to save uniques path 2179 # need to save uniques path
1615 unless ($self->{deny_save}) { 2180 unless ($self->{deny_save}) {
1619 if $uniq; 2184 if $uniq;
1620 } 2185 }
1621 2186
1622 delete $cf::MAP{$self->path}; 2187 delete $cf::MAP{$self->path};
1623 2188
2189 $self->deactivate;
2190 $_->clear_links_to ($self) for values %cf::MAP;
1624 $self->clear; 2191 $self->clear;
1625
1626 $_->clear_links_to ($self) for values %cf::MAP;
1627 2192
1628 $self->unlink_save; 2193 $self->unlink_save;
1629 $self->destroy; 2194 $self->destroy;
1630} 2195}
1631 2196
1632my $nuke_counter = "aaaa"; 2197my $nuke_counter = "aaaa";
1633 2198
1634sub nuke { 2199sub nuke {
1635 my ($self) = @_; 2200 my ($self) = @_;
1636 2201
2202 {
2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
2204
1637 delete $cf::MAP{$self->path}; 2205 delete $cf::MAP{$self->path};
1638 2206
1639 $self->unlink_save; 2207 $self->unlink_save;
1640 2208
1641 bless $self, "cf::map"; 2209 bless $self, "cf::map";
1642 delete $self->{deny_reset}; 2210 delete $self->{deny_reset};
1643 $self->{deny_save} = 1; 2211 $self->{deny_save} = 1;
1644 $self->reset_timeout (1); 2212 $self->reset_timeout (1);
1645 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2213 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646 2214
1647 $cf::MAP{$self->path} = $self; 2215 $cf::MAP{$self->path} = $self;
2216 }
1648 2217
1649 $self->reset; # polite request, might not happen 2218 $self->reset; # polite request, might not happen
2219}
2220
2221=item $maps = cf::map::tmp_maps
2222
2223Returns an arrayref with all map paths of currently instantiated and saved
2224maps. May block.
2225
2226=cut
2227
2228sub tmp_maps() {
2229 [
2230 map {
2231 utf8::decode $_;
2232 /\.map$/
2233 ? normalise $_
2234 : ()
2235 } @{ aio_readdir $TMPDIR or [] }
2236 ]
2237}
2238
2239=item $maps = cf::map::random_maps
2240
2241Returns an arrayref with all map paths of currently instantiated and saved
2242random maps. May block.
2243
2244=cut
2245
2246sub random_maps() {
2247 [
2248 map {
2249 utf8::decode $_;
2250 /\.map$/
2251 ? normalise "?random/$_"
2252 : ()
2253 } @{ aio_readdir $RANDOMDIR or [] }
2254 ]
1650} 2255}
1651 2256
1652=item cf::map::unique_maps 2257=item cf::map::unique_maps
1653 2258
1654Returns an arrayref of paths of all shared maps that have 2259Returns an arrayref of paths of all shared maps that have
1655instantiated unique items. May block. 2260instantiated unique items. May block.
1656 2261
1657=cut 2262=cut
1658 2263
1659sub unique_maps() { 2264sub unique_maps() {
1660 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2265 [
1661 or return; 2266 map {
1662
1663 my @paths;
1664
1665 for (@$files) {
1666 utf8::decode $_; 2267 utf8::decode $_;
1667 next if /\.pst$/; 2268 /\.map$/
1668 next unless /^$PATH_SEP/o; 2269 ? normalise $_
1669 2270 : ()
1670 push @paths, cf::map::normalise $_; 2271 } @{ aio_readdir $UNIQUEDIR or [] }
1671 } 2272 ]
1672
1673 \@paths
1674} 2273}
1675 2274
1676package cf; 2275package cf;
1677 2276
1678=back 2277=back
1696 map { $_, inv_recursive_ $_->inv } @_ 2295 map { $_, inv_recursive_ $_->inv } @_
1697} 2296}
1698 2297
1699sub inv_recursive { 2298sub inv_recursive {
1700 inv_recursive_ inv $_[0] 2299 inv_recursive_ inv $_[0]
2300}
2301
2302=item $ref = $ob->ref
2303
2304creates and returns a persistent reference to an objetc that can be stored as a string.
2305
2306=item $ob = cf::object::deref ($refstring)
2307
2308returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309even if the object actually exists. May block.
2310
2311=cut
2312
2313sub deref {
2314 my ($ref) = @_;
2315
2316 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2317 my ($uuid, $name) = ($1, $2);
2318 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2319 or return;
2320 $pl->ob->uuid eq $uuid
2321 or return;
2322
2323 $pl->ob
2324 } else {
2325 warn "$ref: cannot resolve object reference\n";
2326 undef
2327 }
1701} 2328}
1702 2329
1703package cf; 2330package cf;
1704 2331
1705=back 2332=back
1724 2351
1725 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2352 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726 2353
1727 if ($self->{record_replies}) { 2354 if ($self->{record_replies}) {
1728 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2355 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2356
1729 } else { 2357 } else {
2358 my $pl = $self->contr;
2359
2360 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2361 my $dialog = $pl->{npc_dialog};
2362 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363
2364 } else {
1730 $msg = $npc->name . " says: $msg" if $npc; 2365 $msg = $npc->name . " says: $msg" if $npc;
1731 $self->message ($msg, $flags); 2366 $self->message ($msg, $flags);
2367 }
1732 } 2368 }
2369}
2370
2371=item $object->send_msg ($channel, $msg, $color, [extra...])
2372
2373=cut
2374
2375sub cf::object::send_msg {
2376 my $pl = shift->contr
2377 or return;
2378 $pl->send_msg (@_);
1733} 2379}
1734 2380
1735=item $player_object->may ("access") 2381=item $player_object->may ("access")
1736 2382
1737Returns wether the given player is authorized to access resource "access" 2383Returns wether the given player is authorized to access resource "access"
1784 $self->deactivate_recursive; 2430 $self->deactivate_recursive;
1785 2431
1786 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2432 return if UNIVERSAL::isa $self->map, "ext::map_link";
1787 2433
1788 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2434 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789 if $self->map; 2435 if $self->map && $self->map->{path} ne "{link}";
1790 2436
1791 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2437 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1792} 2438}
1793 2439
1794sub cf::object::player::leave_link { 2440sub cf::object::player::leave_link {
1795 my ($self, $map, $x, $y) = @_; 2441 my ($self, $map, $x, $y) = @_;
2442
2443 return unless $self->contr->active;
1796 2444
1797 my $link_pos = delete $self->{_link_pos}; 2445 my $link_pos = delete $self->{_link_pos};
1798 2446
1799 unless ($map) { 2447 unless ($map) {
1800 # restore original map position 2448 # restore original map position
1814 # use -1 or undef as default coordinates, not 0, 0 2462 # use -1 or undef as default coordinates, not 0, 0
1815 ($x, $y) = ($map->enter_x, $map->enter_y) 2463 ($x, $y) = ($map->enter_x, $map->enter_y)
1816 if $x <=0 && $y <= 0; 2464 if $x <=0 && $y <= 0;
1817 2465
1818 $map->load; 2466 $map->load;
1819 $map->load_diag; 2467 $map->load_neighbours;
1820 2468
1821 return unless $self->contr->active; 2469 return unless $self->contr->active;
1822 $self->activate_recursive; 2470 $self->activate_recursive;
2471
2472 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823 $self->enter_map ($map, $x, $y); 2473 $self->enter_map ($map, $x, $y);
1824} 2474}
1825 2475
1826cf::player->attach ( 2476=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827 on_logout => sub {
1828 my ($pl) = @_;
1829 2477
1830 # abort map switching before logout 2478Moves the player to the given map-path and coordinates by first freezing
1831 if ($pl->ob->{_link_pos}) { 2479her, loading and preparing them map, calling the provided $check callback
1832 cf::sync_job { 2480that has to return the map if sucecssful, and then unfreezes the player on
1833 $pl->ob->leave_link 2481the new (success) or old (failed) map position. In either case, $done will
1834 }; 2482be called at the end of this process.
1835 }
1836 },
1837 on_login => sub {
1838 my ($pl) = @_;
1839 2483
1840 # try to abort aborted map switching on player login :)
1841 # should happen only on crashes
1842 if ($pl->ob->{_link_pos}) {
1843 $pl->ob->enter_link;
1844 (async {
1845 # we need this sleep as the login has a concurrent enter_exit running
1846 # and this sleep increases chances of the player not ending up in scorn
1847 $pl->ob->reply (undef,
1848 "There was an internal problem at your last logout, "
1849 . "the server will try to bring you to your intended destination in a second.",
1850 cf::NDI_RED);
1851 Coro::Timer::sleep 1;
1852 $pl->ob->leave_link;
1853 })->prio (2);
1854 }
1855 },
1856);
1857
1858=item $player_object->goto ($path, $x, $y)
1859
1860=cut 2484=cut
2485
2486our $GOTOGEN;
1861 2487
1862sub cf::object::player::goto { 2488sub cf::object::player::goto {
1863 my ($self, $path, $x, $y) = @_; 2489 my ($self, $path, $x, $y, $check, $done) = @_;
2490
2491 # do generation counting so two concurrent goto's will be executed in-order
2492 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864 2493
1865 $self->enter_link; 2494 $self->enter_link;
1866 2495
1867 (async { 2496 (async {
2497 $Coro::current->{desc} = "player::goto $path $x $y";
2498
2499 # *tag paths override both path and x|y
2500 if ($path =~ /^\*(.*)$/) {
2501 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2502 my $ob = $obs[rand @obs];
2503
2504 # see if we actually can go there
2505 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2506 $ob = $obs[rand @obs];
2507 } else {
2508 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2509 }
2510 # else put us there anyways for now #d#
2511
2512 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2513 } else {
2514 ($path, $x, $y) = (undef, undef, undef);
2515 }
2516 }
2517
1868 my $map = eval { 2518 my $map = eval {
1869 my $map = cf::map::find $path; 2519 my $map = defined $path ? cf::map::find $path : undef;
2520
2521 if ($map) {
1870 $map = $map->customise_for ($self) if $map; 2522 $map = $map->customise_for ($self);
2523 $map = $check->($map) if $check && $map;
2524 } else {
2525 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526 }
2527
1871 $map 2528 $map
2529 };
2530
2531 if ($@) {
2532 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2533 LOG llevError | logBacktrace, Carp::longmess $@;
1872 } or 2534 }
1873 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874 2535
2536 if ($gen == $self->{_goto_generation}) {
2537 delete $self->{_goto_generation};
1875 $self->leave_link ($map, $x, $y); 2538 $self->leave_link ($map, $x, $y);
2539 }
2540
2541 $done->() if $done;
1876 })->prio (1); 2542 })->prio (1);
1877} 2543}
1878 2544
1879=item $player_object->enter_exit ($exit_object) 2545=item $player_object->enter_exit ($exit_object)
1880 2546
1919 2585
1920 $rmp->{random_seed} ||= $exit->random_seed; 2586 $rmp->{random_seed} ||= $exit->random_seed;
1921 2587
1922 my $data = cf::to_json $rmp; 2588 my $data = cf::to_json $rmp;
1923 my $md5 = Digest::MD5::md5_hex $data; 2589 my $md5 = Digest::MD5::md5_hex $data;
1924 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2590 my $meta = "$RANDOMDIR/$md5.meta";
1925 2591
1926 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2592 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927 aio_write $fh, 0, (length $data), $data, 0; 2593 aio_write $fh, 0, (length $data), $data, 0;
1928 undef $fh; 2594 undef $fh;
1929 aio_rename "$meta~", $meta; 2595 aio_rename "$meta~", $meta;
1938 2604
1939 return unless $self->type == cf::PLAYER; 2605 return unless $self->type == cf::PLAYER;
1940 2606
1941 if ($exit->slaying eq "/!") { 2607 if ($exit->slaying eq "/!") {
1942 #TODO: this should de-fi-ni-te-ly not be a sync-job 2608 #TODO: this should de-fi-ni-te-ly not be a sync-job
2609 # the problem is that $exit might not survive long enough
2610 # so it needs to be done right now, right here
1943 cf::sync_job { prepare_random_map $exit }; 2611 cf::sync_job { prepare_random_map $exit };
1944 } 2612 }
1945 2613
1946 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2614 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947 my $hp = $exit->stats->hp; 2615 my $hp = $exit->stats->hp;
1948 my $sp = $exit->stats->sp; 2616 my $sp = $exit->stats->sp;
1949 2617
1950 $self->enter_link; 2618 $self->enter_link;
1951 2619
2620 # if exit is damned, update players death & WoR home-position
2621 $self->contr->savebed ($slaying, $hp, $sp)
2622 if $exit->flag (FLAG_DAMNED);
2623
1952 (async { 2624 (async {
2625 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2626
1953 $self->deactivate_recursive; # just to be sure 2627 $self->deactivate_recursive; # just to be sure
1954 unless (eval { 2628 unless (eval {
1955 $self->goto ($slaying, $hp, $sp); 2629 $self->goto ($slaying, $hp, $sp);
1956 2630
1957 1; 2631 1;
1958 }) { 2632 }) {
1959 $self->message ("Something went wrong deep within the crossfire server. " 2633 $self->message ("Something went wrong deep within the crossfire server. "
1960 . "I'll try to bring you back to the map you were before. " 2634 . "I'll try to bring you back to the map you were before. "
1961 . "Please report this to the dungeon master!", 2635 . "Please report this to the dungeon master!",
1962 cf::NDI_UNIQUE | cf::NDI_RED); 2636 cf::NDI_UNIQUE | cf::NDI_RED);
1963 2637
1964 warn "ERROR in enter_exit: $@"; 2638 warn "ERROR in enter_exit: $@";
1965 $self->leave_link; 2639 $self->leave_link;
1966 } 2640 }
1967 })->prio (1); 2641 })->prio (1);
1980 2654
1981sub cf::client::send_drawinfo { 2655sub cf::client::send_drawinfo {
1982 my ($self, $text, $flags) = @_; 2656 my ($self, $text, $flags) = @_;
1983 2657
1984 utf8::encode $text; 2658 utf8::encode $text;
1985 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2659 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986} 2660}
1987 2661
2662=item $client->send_msg ($channel, $msg, $color, [extra...])
2663
2664Send a drawinfo or msg packet to the client, formatting the msg for the
2665client if neccessary. C<$type> should be a string identifying the type of
2666the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet.
2668
2669=cut
2670
2671our %CHANNEL = (
2672 "c/identify" => {
2673 id => "infobox",
2674 title => "Identify",
2675 reply => undef,
2676 tooltip => "Items recently identified",
2677 },
2678 "c/examine" => {
2679 id => "infobox",
2680 title => "Examine",
2681 reply => undef,
2682 tooltip => "Signs and other items you examined",
2683 },
2684 "c/book" => {
2685 id => "infobox",
2686 title => "Book",
2687 reply => undef,
2688 tooltip => "The contents of a note or book",
2689 },
2690 "c/lookat" => {
2691 id => "infobox",
2692 title => "Look",
2693 reply => undef,
2694 tooltip => "What you saw there",
2695 },
2696);
2697
2698sub cf::client::send_msg {
2699 my ($self, $channel, $msg, $color, @extra) = @_;
2700
2701 $msg = $self->pl->expand_cfpod ($msg);
2702
2703 $color &= cf::NDI_CLIENT_MASK; # just in case...
2704
2705 # check predefined channels, for the benefit of C
2706 if ($CHANNEL{$channel}) {
2707 $channel = $CHANNEL{$channel};
2708
2709 $self->ext_msg (channel_info => $channel)
2710 if $self->can_msg;
2711
2712 $channel = $channel->{id};
2713
2714 } elsif (ref $channel) {
2715 # send meta info to client, if not yet sent
2716 unless (exists $self->{channel}{$channel->{id}}) {
2717 $self->{channel}{$channel->{id}} = $channel;
2718 $self->ext_msg (channel_info => $channel)
2719 if $self->can_msg;
2720 }
2721
2722 $channel = $channel->{id};
2723 }
2724
2725 return unless @extra || length $msg;
2726
2727 if ($self->can_msg) {
2728 # default colour, mask it out
2729 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730 if $color & cf::NDI_DEF;
2731
2732 $self->send_packet ("msg " . $self->{json_coder}->encode (
2733 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2734 } else {
2735 if ($color >= 0) {
2736 # replace some tags by gcfclient-compatible ones
2737 for ($msg) {
2738 1 while
2739 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744 }
2745
2746 $color &= cf::NDI_COLOR_MASK;
2747
2748 utf8::encode $msg;
2749
2750 if (0 && $msg =~ /\[/) {
2751 # COMMAND/INFO
2752 $self->send_packet ("drawextinfo $color 10 8 $msg")
2753 } else {
2754 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755 $self->send_packet ("drawinfo $color $msg")
2756 }
2757 }
2758 }
2759}
2760
2761=item $client->ext_msg ($type, @msg)
2762
2763Sends an ext event to the client.
2764
2765=cut
2766
2767sub cf::client::ext_msg($$@) {
2768 my ($self, $type, @msg) = @_;
2769
2770 if ($self->extcmd == 2) {
2771 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772 } elsif ($self->extcmd == 1) { # TODO: remove
2773 push @msg, msgtype => "event_$type";
2774 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775 }
2776}
2777
2778=item $client->ext_reply ($msgid, @msg)
2779
2780Sends an ext reply to the client.
2781
2782=cut
2783
2784sub cf::client::ext_reply($$@) {
2785 my ($self, $id, @msg) = @_;
2786
2787 if ($self->extcmd == 2) {
2788 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789 } elsif ($self->extcmd == 1) {
2790 #TODO: version 1, remove
2791 unshift @msg, msgtype => "reply", msgid => $id;
2792 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793 }
2794}
1988 2795
1989=item $success = $client->query ($flags, "text", \&cb) 2796=item $success = $client->query ($flags, "text", \&cb)
1990 2797
1991Queues a query to the client, calling the given callback with 2798Queues a query to the client, calling the given callback with
1992the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2799the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2800C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994 2801
1995Queries can fail, so check the return code. Or don't, as queries will become 2802Queries can fail, so check the return code. Or don't, as queries will
1996reliable at some point in the future. 2803become reliable at some point in the future.
1997 2804
1998=cut 2805=cut
1999 2806
2000sub cf::client::query { 2807sub cf::client::query {
2001 my ($self, $flags, $text, $cb) = @_; 2808 my ($self, $flags, $text, $cb) = @_;
2009 utf8::encode $text; 2816 utf8::encode $text;
2010 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2817 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011 2818
2012 $self->send_packet ($self->{query_queue}[0][0]) 2819 $self->send_packet ($self->{query_queue}[0][0])
2013 if @{ $self->{query_queue} } == 1; 2820 if @{ $self->{query_queue} } == 1;
2821
2822 1
2014} 2823}
2015 2824
2016cf::client->attach ( 2825cf::client->attach (
2826 on_connect => sub {
2827 my ($ns) = @_;
2828
2829 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2830 },
2017 on_reply => sub { 2831 on_reply => sub {
2018 my ($ns, $msg) = @_; 2832 my ($ns, $msg) = @_;
2019 2833
2020 # this weird shuffling is so that direct followup queries 2834 # this weird shuffling is so that direct followup queries
2021 # get handled first 2835 # get handled first
2033 } else { 2847 } else {
2034 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2848 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035 } 2849 }
2036 } 2850 }
2037 }, 2851 },
2852 on_exticmd => sub {
2853 my ($ns, $buf) = @_;
2854
2855 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856
2857 if (ref $msg) {
2858 my ($type, $reply, @payload) =
2859 "ARRAY" eq ref $msg
2860 ? @$msg
2861 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862
2863 my @reply;
2864
2865 if (my $cb = $EXTICMD{$type}) {
2866 @reply = $cb->($ns, @payload);
2867 }
2868
2869 $ns->ext_reply ($reply, @reply)
2870 if $reply;
2871
2872 } else {
2873 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874 }
2875
2876 cf::override;
2877 },
2038); 2878);
2039 2879
2040=item $client->async (\&cb) 2880=item $client->async (\&cb)
2041 2881
2042Create a new coroutine, running the specified callback. The coroutine will 2882Create a new coroutine, running the specified callback. The coroutine will
2083our $safe = new Safe "safe"; 2923our $safe = new Safe "safe";
2084our $safe_hole = new Safe::Hole; 2924our $safe_hole = new Safe::Hole;
2085 2925
2086$SIG{FPE} = 'IGNORE'; 2926$SIG{FPE} = 'IGNORE';
2087 2927
2088$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2928$safe->permit_only (Opcode::opset qw(
2929 :base_core :base_mem :base_orig :base_math
2930 grepstart grepwhile mapstart mapwhile
2931 sort time
2932));
2089 2933
2090# here we export the classes and methods available to script code 2934# here we export the classes and methods available to script code
2091 2935
2092=pod 2936=pod
2093 2937
2094The following fucntions and emthods are available within a safe environment: 2938The following functions and methods are available within a safe environment:
2095 2939
2096 cf::object contr pay_amount pay_player map 2940 cf::object
2941 contr pay_amount pay_player map x y force_find force_add destroy
2942 insert remove name archname title slaying race decrease_ob_nr
2943
2097 cf::object::player player 2944 cf::object::player
2098 cf::player peaceful 2945 player
2099 cf::map trigger 2946
2947 cf::player
2948 peaceful
2949
2950 cf::map
2951 trigger
2100 2952
2101=cut 2953=cut
2102 2954
2103for ( 2955for (
2104 ["cf::object" => qw(contr pay_amount pay_player map)], 2956 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957 insert remove inv name archname title slaying race
2958 decrease_ob_nr destroy)],
2105 ["cf::object::player" => qw(player)], 2959 ["cf::object::player" => qw(player)],
2106 ["cf::player" => qw(peaceful)], 2960 ["cf::player" => qw(peaceful)],
2107 ["cf::map" => qw(trigger)], 2961 ["cf::map" => qw(trigger)],
2108) { 2962) {
2109 no strict 'refs'; 2963 no strict 'refs';
2180=back 3034=back
2181 3035
2182=cut 3036=cut
2183 3037
2184############################################################################# 3038#############################################################################
2185
2186=head2 EXTENSION DATABASE SUPPORT
2187
2188Crossfire maintains a very simple database for extension use. It can
2189currently store anything that can be serialised using Storable, which
2190excludes objects.
2191
2192The parameter C<$family> should best start with the name of the extension
2193using it, it should be unique.
2194
2195=over 4
2196
2197=item $value = cf::db_get $family => $key
2198
2199Returns a single value from the database.
2200
2201=item cf::db_put $family => $key => $value
2202
2203Stores the given C<$value> in the family.
2204
2205=cut
2206
2207our $DB;
2208
2209sub db_init {
2210 unless ($DB) {
2211 $DB = BDB::db_create $DB_ENV;
2212
2213 cf::sync_job {
2214 eval {
2215 $DB->set_flags (BDB::CHKSUM);
2216
2217 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219 cf::cleanup "db_open(db): $!" if $!;
2220 };
2221 cf::cleanup "db_open(db): $@" if $@;
2222 };
2223
2224 my $path = cf::localdir . "/database.pst";
2225 if (stat $path) {
2226 cf::sync_job {
2227 my $pst = Storable::retrieve $path;
2228
2229 cf::db_put (board => data => $pst->{board});
2230 cf::db_put (guildrules => data => $pst->{guildrules});
2231 cf::db_put (rent => balance => $pst->{rent}{balance});
2232 BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234 unlink $path;
2235 };
2236 }
2237 }
2238}
2239
2240sub db_get($$) {
2241 my $key = "$_[0]/$_[1]";
2242
2243 cf::sync_job {
2244 BDB::db_get $DB, undef, $key, my $data;
2245
2246 $! ? ()
2247 : Compress::LZF::sthaw $data
2248 }
2249}
2250
2251sub db_put($$$) {
2252 BDB::dbreq_pri 4;
2253 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254}
2255
2256#############################################################################
2257# the server's init and main functions 3039# the server's init and main functions
2258 3040
2259sub load_resources { 3041sub load_facedata($) {
2260 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3042 my ($path) = @_;
3043
3044 # HACK to clear player env face cache, we need some signal framework
3045 # for this (global event?)
3046 %ext::player_env::MUSIC_FACE_CACHE = ();
3047
3048 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049
3050 warn "loading facedata from $path\n";
3051
3052 my $facedata;
3053 0 < aio_load $path, $facedata
3054 or die "$path: $!";
3055
3056 $facedata = Coro::Storable::thaw $facedata;
3057
3058 $facedata->{version} == 2
3059 or cf::cleanup "$path: version mismatch, cannot proceed.";
3060
3061 # patch in the exptable
3062 $facedata->{resource}{"res/exp_table"} = {
3063 type => FT_RSRC,
3064 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3065 };
3066 cf::cede_to_tick;
3067
3068 {
3069 my $faces = $facedata->{faceinfo};
3070
3071 while (my ($face, $info) = each %$faces) {
3072 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3073 cf::face::set_visibility $idx, $info->{visibility};
3074 cf::face::set_magicmap $idx, $info->{magicmap};
3075 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3076 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3077
3078 cf::cede_to_tick;
3079 }
3080
3081 while (my ($face, $info) = each %$faces) {
3082 next unless $info->{smooth};
3083 my $idx = cf::face::find $face
3084 or next;
3085 if (my $smooth = cf::face::find $info->{smooth}) {
3086 cf::face::set_smooth $idx, $smooth;
3087 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088 } else {
3089 warn "smooth face '$info->{smooth}' not found for face '$face'";
3090 }
3091
3092 cf::cede_to_tick;
3093 }
3094 }
3095
3096 {
3097 my $anims = $facedata->{animinfo};
3098
3099 while (my ($anim, $info) = each %$anims) {
3100 cf::anim::set $anim, $info->{frames}, $info->{facings};
3101 cf::cede_to_tick;
3102 }
3103
3104 cf::anim::invalidate_all; # d'oh
3105 }
3106
3107 {
3108 # TODO: for gcfclient pleasure, we should give resources
3109 # that gcfclient doesn't grok a >10000 face index.
3110 my $res = $facedata->{resource};
3111
3112 my $soundconf = delete $res->{"res/sound.conf"};
3113
3114 while (my ($name, $info) = each %$res) {
3115 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116 my $data;
3117
3118 if ($info->{type} & 1) {
3119 # prepend meta info
3120
3121 my $meta = $enc->encode ({
3122 name => $name,
3123 %{ $info->{meta} || {} },
3124 });
3125
3126 $data = pack "(w/a*)*", $meta, $info->{data};
3127 } else {
3128 $data = $info->{data};
3129 }
3130
3131 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132 cf::face::set_type $idx, $info->{type};
3133
3134 cf::cede_to_tick;
3135 }
3136
3137 if ($soundconf) {
3138 $soundconf = $enc->decode (delete $soundconf->{data});
3139
3140 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141 my $sound = $soundconf->{compat}[$_]
3142 or next;
3143
3144 my $face = cf::face::find "sound/$sound->[1]";
3145 cf::sound::set $sound->[0] => $face;
3146 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147 }
3148
3149 while (my ($k, $v) = each %{$soundconf->{event}}) {
3150 my $face = cf::face::find "sound/$v";
3151 cf::sound::set $k => $face;
3152 }
3153 }
3154 }
3155
3156 1
3157}
3158
3159register_exticmd fx_want => sub {
3160 my ($ns, $want) = @_;
3161
3162 while (my ($k, $v) = each %$want) {
3163 $ns->fx_want ($k, $v);
3164 }
3165};
3166
3167sub reload_regions {
3168 # HACK to clear player env face cache, we need some signal framework
3169 # for this (global event?)
3170 %ext::player_env::MUSIC_FACE_CACHE = ();
3171
3172 load_resource_file "$MAPDIR/regions"
2261 or die "unable to load regions file\n";#d# 3173 or die "unable to load regions file\n";
2262}
2263 3174
2264sub cfg_load { 3175 for (cf::region::list) {
3176 $_->{match} = qr/$_->{match}/
3177 if exists $_->{match};
3178 }
3179}
3180
3181sub reload_facedata {
3182 load_facedata "$DATADIR/facedata"
3183 or die "unable to load facedata\n";
3184}
3185
3186sub reload_archetypes {
3187 load_resource_file "$DATADIR/archetypes"
3188 or die "unable to load archetypes\n";
3189 #d# NEED to laod twice to resolve forward references
3190 # this really needs to be done in an extra post-pass
3191 # (which needs to be synchronous, so solve it differently)
3192 load_resource_file "$DATADIR/archetypes"
3193 or die "unable to load archetypes\n";
3194}
3195
3196sub reload_treasures {
3197 load_resource_file "$DATADIR/treasures"
3198 or die "unable to load treasurelists\n";
3199}
3200
3201sub reload_resources {
3202 warn "reloading resource files...\n";
3203
3204 reload_regions;
3205 reload_facedata;
3206 #reload_archetypes;#d#
3207 reload_archetypes;
3208 reload_treasures;
3209
3210 warn "finished reloading resource files\n";
3211}
3212
3213sub init {
3214 reload_resources;
3215}
3216
3217sub reload_config {
2265 open my $fh, "<:utf8", cf::confdir . "/config" 3218 open my $fh, "<:utf8", "$CONFDIR/config"
2266 or return; 3219 or return;
2267 3220
2268 local $/; 3221 local $/;
2269 *CFG = YAML::Syck::Load <$fh>; 3222 *CFG = YAML::Syck::Load <$fh>;
2270 3223
2280 }; 3233 };
2281 warn $@ if $@; 3234 warn $@ if $@;
2282 } 3235 }
2283} 3236}
2284 3237
2285sub init {
2286 load_resources;
2287}
2288
2289sub main { 3238sub main {
2290 # we must not ever block the main coroutine 3239 # we must not ever block the main coroutine
2291 local $Coro::idle = sub { 3240 local $Coro::idle = sub {
2292 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3241 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293 (async { 3242 (async {
3243 $Coro::current->{desc} = "IDLE BUG HANDLER";
2294 Event::one_event; 3244 Event::one_event;
2295 })->prio (Coro::PRIO_MAX); 3245 })->prio (Coro::PRIO_MAX);
2296 }; 3246 };
2297 3247
2298 cfg_load; 3248 reload_config;
2299 db_init; 3249 db_init;
2300 load_extensions; 3250 load_extensions;
2301 3251
2302 $TICK_WATCHER->start; 3252 $TICK_WATCHER->start;
2303 Event::loop; 3253 Event::loop;
2319 }, 3269 },
2320 ); 3270 );
2321 } 3271 }
2322} 3272}
2323 3273
3274sub write_runtime {
3275 my $runtime = "$LOCALDIR/runtime";
3276
3277 # first touch the runtime file to show we are still running:
3278 # the fsync below can take a very very long time.
3279
3280 IO::AIO::aio_utime $runtime, undef, undef;
3281
3282 my $guard = cf::lock_acquire "write_runtime";
3283
3284 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3285 or return;
3286
3287 my $value = $cf::RUNTIME + 90 + 10;
3288 # 10 is the runtime save interval, for a monotonic clock
3289 # 60 allows for the watchdog to kill the server.
3290
3291 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3292 and return;
3293
3294 # always fsync - this file is important
3295 aio_fsync $fh
3296 and return;
3297
3298 # touch it again to show we are up-to-date
3299 aio_utime $fh, undef, undef;
3300
3301 close $fh
3302 or return;
3303
3304 aio_rename "$runtime~", $runtime
3305 and return;
3306
3307 warn "runtime file written.\n";
3308
3309 1
3310}
3311
2324sub emergency_save() { 3312sub emergency_save() {
2325 my $freeze_guard = cf::freeze_mainloop; 3313 my $freeze_guard = cf::freeze_mainloop;
2326 3314
2327 warn "enter emergency perl save\n"; 3315 warn "enter emergency perl save\n";
2328 3316
2332 # and maps saved/destroyed asynchronously. 3320 # and maps saved/destroyed asynchronously.
2333 warn "begin emergency player save\n"; 3321 warn "begin emergency player save\n";
2334 for my $login (keys %cf::PLAYER) { 3322 for my $login (keys %cf::PLAYER) {
2335 my $pl = $cf::PLAYER{$login} or next; 3323 my $pl = $cf::PLAYER{$login} or next;
2336 $pl->valid or next; 3324 $pl->valid or next;
3325 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337 $pl->save; 3326 $pl->save;
2338 } 3327 }
2339 warn "end emergency player save\n"; 3328 warn "end emergency player save\n";
2340 3329
2341 warn "begin emergency map save\n"; 3330 warn "begin emergency map save\n";
2359 3348
2360 warn Carp::longmess "post_cleanup backtrace" 3349 warn Carp::longmess "post_cleanup backtrace"
2361 if $make_core; 3350 if $make_core;
2362} 3351}
2363 3352
2364sub reload() { 3353sub do_reload_perl() {
2365 # can/must only be called in main 3354 # can/must only be called in main
2366 if ($Coro::current != $Coro::main) { 3355 if ($Coro::current != $Coro::main) {
2367 warn "can only reload from main coroutine"; 3356 warn "can only reload from main coroutine";
2368 return; 3357 return;
2369 } 3358 }
2389 3378
2390 warn "flushing outstanding aio requests"; 3379 warn "flushing outstanding aio requests";
2391 for (;;) { 3380 for (;;) {
2392 BDB::flush; 3381 BDB::flush;
2393 IO::AIO::flush; 3382 IO::AIO::flush;
2394 Coro::cede; 3383 Coro::cede_notself;
2395 last unless IO::AIO::nreqs || BDB::nreqs; 3384 last unless IO::AIO::nreqs || BDB::nreqs;
2396 warn "iterate..."; 3385 warn "iterate...";
2397 } 3386 }
3387
3388 ++$RELOAD;
2398 3389
2399 warn "cancelling all extension coros"; 3390 warn "cancelling all extension coros";
2400 $_->cancel for values %EXT_CORO; 3391 $_->cancel for values %EXT_CORO;
2401 %EXT_CORO = (); 3392 %EXT_CORO = ();
2402 3393
2403 warn "removing commands"; 3394 warn "removing commands";
2404 %COMMAND = (); 3395 %COMMAND = ();
2405 3396
2406 warn "removing ext commands"; 3397 warn "removing ext/exti commands";
2407 %EXTCMD = (); 3398 %EXTCMD = ();
3399 %EXTICMD = ();
2408 3400
2409 warn "unloading/nuking all extensions"; 3401 warn "unloading/nuking all extensions";
2410 for my $pkg (@EXTS) { 3402 for my $pkg (@EXTS) {
2411 warn "... unloading $pkg"; 3403 warn "... unloading $pkg";
2412 3404
2442 Symbol::delete_package "safe::$_" 3434 Symbol::delete_package "safe::$_"
2443 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3435 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444 3436
2445 warn "unloading cf.pm \"a bit\""; 3437 warn "unloading cf.pm \"a bit\"";
2446 delete $INC{"cf.pm"}; 3438 delete $INC{"cf.pm"};
3439 delete $INC{"cf/pod.pm"};
2447 3440
2448 # don't, removes xs symbols, too, 3441 # don't, removes xs symbols, too,
2449 # and global variables created in xs 3442 # and global variables created in xs
2450 #Symbol::delete_package __PACKAGE__; 3443 #Symbol::delete_package __PACKAGE__;
2451 3444
2454 warn "reloading cf.pm"; 3447 warn "reloading cf.pm";
2455 require cf; 3448 require cf;
2456 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2457 3450
2458 warn "loading config and database again"; 3451 warn "loading config and database again";
2459 cf::cfg_load; 3452 cf::reload_config;
2460 3453
2461 warn "loading extensions"; 3454 warn "loading extensions";
2462 cf::load_extensions; 3455 cf::load_extensions;
2463 3456
2464 warn "reattaching attachments to objects/players"; 3457 warn "reattaching attachments to objects/players";
2465 _global_reattach; 3458 _global_reattach; # objects, sockets
2466 warn "reattaching attachments to maps"; 3459 warn "reattaching attachments to maps";
2467 reattach $_ for values %MAP; 3460 reattach $_ for values %MAP;
2468 3461 warn "reattaching attachments to players";
2469 warn "loading reloadable resources"; 3462 reattach $_ for values %PLAYER;
2470 load_resources;
2471 3463
2472 warn "leaving sync_job"; 3464 warn "leaving sync_job";
2473 3465
2474 1 3466 1
2475 } or do { 3467 } or do {
2481 warn "reloaded"; 3473 warn "reloaded";
2482}; 3474};
2483 3475
2484our $RELOAD_WATCHER; # used only during reload 3476our $RELOAD_WATCHER; # used only during reload
2485 3477
3478sub reload_perl() {
3479 # doing reload synchronously and two reloads happen back-to-back,
3480 # coro crashes during coro_state_free->destroy here.
3481
3482 $RELOAD_WATCHER ||= Event->timer (
3483 reentrant => 0,
3484 after => 0,
3485 data => WF_AUTOCANCEL,
3486 cb => sub {
3487 do_reload_perl;
3488 undef $RELOAD_WATCHER;
3489 },
3490 );
3491}
3492
2486register_command "reload" => sub { 3493register_command "reload" => sub {
2487 my ($who, $arg) = @_; 3494 my ($who, $arg) = @_;
2488 3495
2489 if ($who->flag (FLAG_WIZ)) { 3496 if ($who->flag (FLAG_WIZ)) {
2490 $who->message ("reloading server."); 3497 $who->message ("reloading server.");
2491 3498 async {
2492 # doing reload synchronously and two reloads happen back-to-back, 3499 $Coro::current->{desc} = "perl_reload";
2493 # coro crashes during coro_state_free->destroy here.
2494
2495 $RELOAD_WATCHER ||= Event->timer (
2496 reentrant => 0,
2497 after => 0,
2498 data => WF_AUTOCANCEL,
2499 cb => sub {
2500 reload; 3500 reload_perl;
2501 undef $RELOAD_WATCHER;
2502 },
2503 ); 3501 };
2504 } 3502 }
2505}; 3503};
2506 3504
2507unshift @INC, $LIBDIR; 3505unshift @INC, $LIBDIR;
2508 3506
2509my $bug_warning = 0; 3507my $bug_warning = 0;
3508
3509our @WAIT_FOR_TICK;
3510our @WAIT_FOR_TICK_BEGIN;
3511
3512sub wait_for_tick {
3513 return unless $TICK_WATCHER->is_active;
3514 return if $Coro::current == $Coro::main;
3515
3516 my $signal = new Coro::Signal;
3517 push @WAIT_FOR_TICK, $signal;
3518 $signal->wait;
3519}
3520
3521sub wait_for_tick_begin {
3522 return unless $TICK_WATCHER->is_active;
3523 return if $Coro::current == $Coro::main;
3524
3525 my $signal = new Coro::Signal;
3526 push @WAIT_FOR_TICK_BEGIN, $signal;
3527 $signal->wait;
3528}
2510 3529
2511$TICK_WATCHER = Event->timer ( 3530$TICK_WATCHER = Event->timer (
2512 reentrant => 0, 3531 reentrant => 0,
2513 parked => 1, 3532 parked => 1,
2514 prio => 0, 3533 prio => 0,
2519 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3538 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520 unless ++$bug_warning > 10; 3539 unless ++$bug_warning > 10;
2521 return; 3540 return;
2522 } 3541 }
2523 3542
2524 $NOW = Event::time; 3543 $NOW = $tick_start = Event::time;
2525 3544
2526 cf::server_tick; # one server iteration 3545 cf::server_tick; # one server iteration
3546
2527 $RUNTIME += $TICK; 3547 $RUNTIME += $TICK;
2528 $NEXT_TICK += $TICK; 3548 $NEXT_TICK += $TICK;
2529 3549
2530 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3550 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531 $NEXT_RUNTIME_WRITE = $NOW + 10; 3551 $NEXT_RUNTIME_WRITE = $NOW + 10;
2532 Coro::async_pool { 3552 Coro::async_pool {
3553 $Coro::current->{desc} = "runtime saver";
2533 write_runtime 3554 write_runtime
2534 or warn "ERROR: unable to write runtime file: $!"; 3555 or warn "ERROR: unable to write runtime file: $!";
2535 }; 3556 };
2536 } 3557 }
2537 3558
3559 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560 $sig->send;
3561 }
3562 while (my $sig = shift @WAIT_FOR_TICK) {
3563 $sig->send;
3564 }
2538 3565
2539 $WAIT_FOR_TICK->broadcast; 3566 $NOW = Event::time;
2540 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542# my $AFTER = Event::time;
2543# warn $AFTER - $NOW;#d#
2544 3567
2545 # if we are delayed by four ticks or more, skip them all 3568 # if we are delayed by four ticks or more, skip them all
2546 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3569 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2547 3570
2548 $TICK_WATCHER->at ($NEXT_TICK); 3571 $TICK_WATCHER->at ($NEXT_TICK);
2549 $TICK_WATCHER->start; 3572 $TICK_WATCHER->start;
3573
3574 $LOAD = ($NOW - $tick_start) / $TICK;
3575 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576
3577 _post_tick;
2550 }, 3578 },
2551); 3579);
2552 3580
2553{ 3581{
3582 BDB::min_parallel 8;
2554 BDB::max_poll_time $TICK * 0.1; 3583 BDB::max_poll_time $TICK * 0.1;
2555 $BDB_POLL_WATCHER = Event->io ( 3584 $BDB_POLL_WATCHER = Event->io (
2556 reentrant => 0, 3585 reentrant => 0,
2557 fd => BDB::poll_fileno, 3586 fd => BDB::poll_fileno,
2558 poll => 'r', 3587 poll => 'r',
2559 prio => 0, 3588 prio => 0,
2560 data => WF_AUTOCANCEL, 3589 data => WF_AUTOCANCEL,
2561 cb => \&BDB::poll_cb, 3590 cb => \&BDB::poll_cb,
2562 ); 3591 );
2563 BDB::min_parallel 8;
2564 3592
2565 BDB::set_sync_prepare { 3593 BDB::set_sync_prepare {
2566 my $status; 3594 my $status;
2567 my $current = $Coro::current; 3595 my $current = $Coro::current;
2568 ( 3596 (
2577 ) 3605 )
2578 }; 3606 };
2579 3607
2580 unless ($DB_ENV) { 3608 unless ($DB_ENV) {
2581 $DB_ENV = BDB::db_env_create; 3609 $DB_ENV = BDB::db_env_create;
3610 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3611 | BDB::LOG_AUTOREMOVE, 1);
3612 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582 3614
2583 cf::sync_job { 3615 cf::sync_job {
2584 eval { 3616 eval {
2585 BDB::db_env_open 3617 BDB::db_env_open
2586 $DB_ENV, 3618 $DB_ENV,
2587 $BDB_ENV_DIR, 3619 $BDBDIR,
2588 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3620 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3621 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590 0666; 3622 0666;
2591 3623
2592 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3624 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595 $DB_ENV->set_lk_detect;
2596 }; 3625 };
2597 3626
2598 cf::cleanup "db_env_open(db): $@" if $@; 3627 cf::cleanup "db_env_open(db): $@" if $@;
2599 }; 3628 };
2600 } 3629 }
3630
3631 $BDB_DEADLOCK_WATCHER = Event->timer (
3632 after => 3,
3633 interval => 1,
3634 hard => 1,
3635 prio => 0,
3636 data => WF_AUTOCANCEL,
3637 cb => sub {
3638 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639 },
3640 );
3641 $BDB_CHECKPOINT_WATCHER = Event->timer (
3642 after => 11,
3643 interval => 60,
3644 hard => 1,
3645 prio => 0,
3646 data => WF_AUTOCANCEL,
3647 cb => sub {
3648 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649 },
3650 );
3651 $BDB_TRICKLE_WATCHER = Event->timer (
3652 after => 5,
3653 interval => 10,
3654 hard => 1,
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => sub {
3658 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659 },
3660 );
2601} 3661}
2602 3662
2603{ 3663{
2604 IO::AIO::min_parallel 8; 3664 IO::AIO::min_parallel 8;
2605 3665
2608 $AIO_POLL_WATCHER = Event->io ( 3668 $AIO_POLL_WATCHER = Event->io (
2609 reentrant => 0, 3669 reentrant => 0,
2610 data => WF_AUTOCANCEL, 3670 data => WF_AUTOCANCEL,
2611 fd => IO::AIO::poll_fileno, 3671 fd => IO::AIO::poll_fileno,
2612 poll => 'r', 3672 poll => 'r',
2613 prio => 6, 3673 prio => 0,
2614 cb => \&IO::AIO::poll_cb, 3674 cb => \&IO::AIO::poll_cb,
2615 ); 3675 );
2616} 3676}
2617 3677
3678my $_log_backtrace;
3679
3680sub _log_backtrace {
3681 my ($msg, @addr) = @_;
3682
3683 $msg =~ s/\n//;
3684
3685 # limit the # of concurrent backtraces
3686 if ($_log_backtrace < 2) {
3687 ++$_log_backtrace;
3688 async {
3689 $Coro::current->{desc} = "abt $msg";
3690
3691 my @bt = fork_call {
3692 @addr = map { sprintf "%x", $_ } @addr;
3693 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3694 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3695 or die "addr2line: $!";
3696
3697 my @funcs;
3698 my @res = <$fh>;
3699 chomp for @res;
3700 while (@res) {
3701 my ($func, $line) = splice @res, 0, 2, ();
3702 push @funcs, "[$func] $line";
3703 }
3704
3705 @funcs
3706 };
3707
3708 LOG llevInfo, "[ABT] $msg\n";
3709 LOG llevInfo, "[ABT] $_\n" for @bt;
3710 --$_log_backtrace;
3711 };
3712 } else {
3713 LOG llevInfo, "[ABT] $msg\n";
3714 LOG llevInfo, "[ABT] [suppressed]\n";
3715 }
3716}
3717
3718# load additional modules
3719use cf::pod;
3720
2618END { cf::emergency_save } 3721END { cf::emergency_save }
2619 3722
26201 37231
2621 3724

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines