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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.391 by root, Fri Oct 26 04:22:05 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
48our $RELOAD; # number of reloads so far 61our $RELOAD; # number of reloads so far
49our @EVENT; 62our @EVENT;
50our $LIBDIR = datadir . "/ext";
51 63
52our $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(!)
53our $TICK_WATCHER; 77our $TICK_WATCHER;
54our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56our $NEXT_TICK; 80our $NEXT_TICK;
57our $NOW; 81our $NOW;
58our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
59 83
60our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
61our $DB_ENV; 88our $DB_ENV;
62 89
63our %CFG; 90our %CFG;
64 91
65our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
66our $RUNTIME; 93our $RUNTIME;
67 94
68our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
69our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
70our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
71our $RANDOM_MAPS = cf::localdir . "/random";
72our $BDB_ENV_DIR = cf::localdir . "/db";
73
74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76 98
77# 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 ∕
78our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
80binmode STDOUT; 106binmode STDOUT;
81binmode STDERR; 107binmode STDERR;
82 108
83# read virtual server time, if available 109# read virtual server time, if available
84unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
86 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
87 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
88} 114}
89 115
90mkdir cf::localdir; 116mkdir $_
91mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92mkdir cf::localdir . "/" . cf::tmpdir;
93mkdir cf::localdir . "/" . cf::uniquedir;
94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
96 118
97our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
98 120
99sub cf::map::normalise; 121sub cf::map::normalise;
100 122
111=item $cf::RUNTIME 133=item $cf::RUNTIME
112 134
113The 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
114every server tick. 136every server tick.
115 137
116=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
117 141
118The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
119be 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.
120 146
121=item $cf::NOW 147=item $cf::NOW
122 148
123The time of the last (current) server tick. 149The time of the last (current) server tick.
124 150
125=item $cf::TICK 151=item $cf::TICK
126 152
127The 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.
128 164
129=item %cf::CFG 165=item %cf::CFG
130 166
131Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
132from wherever your confdir points to. 168from wherever your confdir points to.
133 169
134=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
135 171
136These 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
137or 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
138processing 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.
139window 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.
140 181
141=back 182=back
142 183
143=cut 184=cut
144 185
145BEGIN { 186BEGIN {
146 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
147 my $msg = join "", @_; 188 my $msg = join "", @_;
148 utf8::encode $msg;
149 189
150 $msg .= "\n" 190 $msg .= "\n"
151 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152 194
153 LOG llevError, $msg; 195 LOG llevError, $msg;
154 }; 196 };
155} 197}
156 198
157@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161@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';
162@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)
163 206
164# 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
165# within the Safe compartment. 208# within the Safe compartment.
166for my $pkg (qw( 209for my $pkg (qw(
167 cf::global cf::attachable 210 cf::global cf::attachable
175} 218}
176 219
177$Event::DIED = sub { 220$Event::DIED = sub {
178 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
179}; 222};
223
224#############################################################################
180 225
181=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
182 227
183=over 4 228=over 4
184 229
203 $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;
204 $d 249 $d
205 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
206} 251}
207 252
208use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
211 254
212Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
213 256
214=cut
215
216sub from_json($) {
217 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218 JSON::Syck::Load $_[0]
219}
220
221=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
222 258
223Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
224 260
225=cut 261=cut
226 262
227sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
229 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
230} 266sub from_json ($) { $json_coder->decode ($_[0]) }
231 267
232=item cf::lock_wait $string 268=item cf::lock_wait $string
233 269
234Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
235 271
238Wait 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
239a 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,
240for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
241returned. 277returned.
242 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
243Lock 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
244uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
245 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
246=cut 289=cut
247 290
248our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
249 293
250sub lock_wait($) { 294sub lock_wait($) {
251 my ($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#
252 301
253 # wait for lock, if any 302 # wait for lock, if any
254 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
255 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
256 Coro::schedule; 305 Coro::schedule;
262 311
263 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
264 lock_wait $key; 313 lock_wait $key;
265 314
266 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
267 317
268 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
269 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
270 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
271 } 322 }
323}
324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
272} 329}
273 330
274sub freeze_mainloop { 331sub freeze_mainloop {
275 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
276 333
279 }; 336 };
280 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
281 $guard 338 $guard
282} 339}
283 340
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
284=item cf::async { BLOCK } 399=item cf::async { BLOCK }
285 400
286Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
287C<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
288thing you are allowed to do is call C<prio> on it. 403thing you are allowed to do is call C<prio> on it.
291 406
292BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
293 408
294=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
295 410
296The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
298reentrant. 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.
299 415
300If 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
301the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
302server 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
303fast or be very important. 419fast or be very important.
306 422
307sub sync_job(&) { 423sub sync_job(&) {
308 my ($job) = @_; 424 my ($job) = @_;
309 425
310 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
311 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
312 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
313 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
314 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
315 # (but this is cancel-safe) 435 # (but this is cancel-safe)
316 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
317 437
318 my $busy = 1; 438 my $busy = 1;
319 my @res; 439 my @res;
320 440
321 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
322 @res = eval { $job->() }; 443 @res = eval { $job->() };
323 warn $@ if $@; 444 warn $@ if $@;
324 undef $busy; 445 undef $busy;
325 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
326 447
327 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
328 Coro::cede or Event::one_event; 452 Event::one_event;
329 } 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
330 462
331 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
332 } else { 464 } else {
333 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
334 466
354 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
355 487
356 $coro 488 $coro
357} 489}
358 490
359sub write_runtime { 491=item fork_call { }, $args
360 my $guard = cf::lock_acquire "write_runtime";
361 492
362 my $runtime = cf::localdir . "/runtime"; 493Executes the given code block with the given arguments in a seperate
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 $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 498=cut
365 or return;
366 499
367 my $value = $cf::RUNTIME + 90 + 10; 500sub fork_call(&@) {
368 # 10 is the runtime save interval, for a monotonic clock 501 my ($cb, @args) = @_;
369 # 60 allows for the watchdog to kill the server.
370 502
371 (aio_write $fh, 0, (length $value), $value, 0) <= 0 503 # we seemingly have to make a local copy of the whole thing,
372 and return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
373 506
374 # always fsync - this file is important 507 my @res = Coro::Util::fork_eval {
375 aio_fsync $fh 508 reset_signals;
376 and return; 509 &$cb
510 }, @args;
377 511
378 close $fh 512 wantarray ? @res : $res[-1]
379 or return; 513}
380 514
381 aio_rename "$runtime~", $runtime 515=item $value = cf::db_get $family => $key
382 and return;
383 516
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
384 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 });
385} 651}
386 652
387=back 653=back
388 654
389=cut 655=cut
396attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
397to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
398 664
399In 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>
400C<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
401crossfire+). 667Crossfire TRT).
402 668
403=over 4 669=over 4
404 670
405=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
406 672
569 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
570 836
571 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
572 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
573 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
574 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575 841
576 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
577 my $pkg = shift @arg; 843 my $pkg = shift @arg;
578 844
579 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
608 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
609 } 875 }
610 876
611 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
612 } else { 878 } else {
613 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
614 } 880 }
615 881
616 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
617} 883}
618 884
620 if (ref $_[0]) { 886 if (ref $_[0]) {
621 _object_attach @_; 887 _object_attach @_;
622 } else { 888 } else {
623 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
624 } 890 }
891 _recalc_want;
625}; 892};
626 893
627# all those should be optimised 894# all those should be optimised
628sub cf::attachable::detach { 895sub cf::attachable::detach {
629 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
632 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
633 reattach ($obj); 900 reattach ($obj);
634 } else { 901 } else {
635 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
636 } 903 }
904 _recalc_want;
637}; 905};
638 906
639sub cf::attachable::attached { 907sub cf::attachable::attached {
640 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
641 909
656 "; 924 ";
657 die if $@; 925 die if $@;
658} 926}
659 927
660our $override; 928our $override;
661our @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?
662 930
663sub override { 931sub override {
664 $override = 1; 932 $override = 1;
665 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
666} 934}
667 935
668sub do_invoke { 936sub do_invoke {
669 my $event = shift; 937 my $event = shift;
670 my $callbacks = shift; 938 my $callbacks = shift;
671 939
672 @invoke_results = (); 940 @INVOKE_RESULTS = ();
673 941
674 local $override; 942 local $override;
675 943
676 for (@$callbacks) { 944 for (@$callbacks) {
677 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
694 962
695Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
696 964
697This 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
698removed 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
699results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700 968
701=back 969=back
702 970
703=cut 971=cut
704 972
705############################################################################# 973#############################################################################
706# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
707 1017
708sub reattach { 1018sub reattach {
709 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
710 my ($obj) = @_; 1020 my ($obj) = @_;
711 1021
758sub object_freezer_save { 1068sub object_freezer_save {
759 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
760 1070
761 sync_job { 1071 sync_job {
762 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
763 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
764 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
765 1076
766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
768 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
770 close $fh; 1081 close $fh;
771 1082
772 if (@$objs) { 1083 if (@$objs) {
773 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) {
774 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
775 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
777 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
778 close $fh; 1089 close $fh;
779 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
780 } 1091 }
788 } 1099 }
789 } else { 1100 } else {
790 aio_unlink $filename; 1101 aio_unlink $filename;
791 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
792 } 1103 }
793 } 1104 };
794} 1105}
795 1106
796sub object_freezer_as_string { 1107sub object_freezer_as_string {
797 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
798 1109
810 or return; 1121 or return;
811 1122
812 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
813 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
814 or return; 1125 or return;
1126
815 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
816 } 1129 }
817 1130
1131 utf8::decode (my $decname = $filename);
818 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
819 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
820 return ($data, $av); 1135 ($data, $av)
821} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
822 1143
823############################################################################# 1144#############################################################################
824# command handling &c 1145# command handling &c
825 1146
826=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
839 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
840} 1161}
841 1162
842=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
843 1164
844Register 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.
845 1170
846If 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
847called. 1172called.
848 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
849=cut 1185=cut
850 1186
851sub register_extcmd { 1187sub register_extcmd {
852 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
853 1189
854 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
855} 1197}
856 1198
857cf::player->attach ( 1199cf::player->attach (
858 on_command => sub { 1200 on_command => sub {
859 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
868 cf::override; 1210 cf::override;
869 }, 1211 },
870 on_extcmd => sub { 1212 on_extcmd => sub {
871 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
872 1214
873 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874 1216
875 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
876 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
877 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
878 $pl->ext_reply ($msg->{msgid}, %reply);
879 }
880 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
881 } else { 1232 } else {
882 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883 } 1234 }
884 1235
885 cf::override; 1236 cf::override;
886 }, 1237 },
887); 1238);
888 1239
889sub load_extension {
890 my ($path) = @_;
891
892 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
893 my $base = $1;
894 my $pkg = $1;
895 $pkg =~ s/[^[:word:]]/_/g;
896 $pkg = "ext::$pkg";
897
898 warn "... loading '$path' into '$pkg'\n";
899
900 open my $fh, "<:utf8", $path
901 or die "$path: $!";
902
903 my $source =
904 "package $pkg; use strict; use utf8;\n"
905 . "#line 1 \"$path\"\n{\n"
906 . (do { local $/; <$fh> })
907 . "\n};\n1";
908
909 unless (eval $source) {
910 my $msg = $@ ? "$path: $@\n"
911 : "extension disabled.\n";
912 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913 warn $@;
914 warn "mandatory extension failed to load, exiting.\n";
915 exit 1;
916 }
917 die $@;
918 }
919
920 push @EXTS, $pkg;
921}
922
923sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
924 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
925 next unless -r $ext; 1245 next unless -r $path;
926 eval { 1246
927 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;
928 1 1304 }
929 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
930 } 1310 };
931} 1311}
932 1312
933############################################################################# 1313#############################################################################
934 1314
1315=back
1316
935=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
936 1318
937Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
938 1320
939=cut 1321=cut
944 1326
945=head3 cf::player 1327=head3 cf::player
946 1328
947=over 4 1329=over 4
948 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
949=item cf::player::find $login 1345=item cf::player::find $login
950 1346
951Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
952 1348
953=cut 1349=cut
954 1350
955sub playerdir($) { 1351sub playerdir($) {
956 cf::localdir 1352 "$PLAYERDIR/"
957 . "/"
958 . cf::playerdir
959 . "/"
960 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
961} 1354}
962 1355
963sub path($) { 1356sub path($) {
964 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965 1358
966 (playerdir $login) . "/$login.pl" 1359 (playerdir $login) . "/playerdata"
967} 1360}
968 1361
969sub find_active($) { 1362sub find_active($) {
970 $cf::PLAYER{$_[0]} 1363 $cf::PLAYER{$_[0]}
971 and $cf::PLAYER{$_[0]}->active 1364 and $cf::PLAYER{$_[0]}->active
984 my $login = $_[0]; 1377 my $login = $_[0];
985 1378
986 my $guard = cf::lock_acquire "user_find:$login"; 1379 my $guard = cf::lock_acquire "user_find:$login";
987 1380
988 $cf::PLAYER{$_[0]} || do { 1381 $cf::PLAYER{$_[0]} || do {
989 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
990 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;
991 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
992 } 1397 }
993 } 1398 }
994} 1399}
995 1400
1005 1410
1006 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
1007 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
1008 1413
1009 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
1010 Coro::cede; 1415 cf::cede_to_tick;
1011} 1416}
1012 1417
1013sub new($) { 1418sub new($) {
1014 my ($login) = @_; 1419 my ($login) = @_;
1015 1420
1019 $self->{deny_save} = 1; 1424 $self->{deny_save} = 1;
1020 1425
1021 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1022 1427
1023 $self 1428 $self
1429}
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 (@_);
1024} 1439}
1025 1440
1026=item $pl->quit_character 1441=item $pl->quit_character
1027 1442
1028Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1077while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1078 1493
1079=cut 1494=cut
1080 1495
1081sub list_logins { 1496sub list_logins {
1082 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1083 or return []; 1498 or return [];
1084 1499
1085 my @logins; 1500 my @logins;
1086 1501
1087 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") {
1088 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1090 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1091 1511
1092 utf8::decode $login; 1512 utf8::decode $login;
1093 push @logins, $login; 1513 push @logins, $login;
1094 } 1514 }
1095 1515
1122 } 1542 }
1123 1543
1124 \@paths 1544 \@paths
1125} 1545}
1126 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553 use re 'eval';
1554
1555my $group;
1556my $interior; $interior = qr{
1557 (?:
1558 \ (.*?)\ (?{ $group = $^N })
1559 | < (??{$interior}) >
1560 )
1561}x;
1562
1563sub expand_cfpod {
1564 my ($self, $pod) = @_;
1565
1566 my $xml;
1567
1568 while () {
1569 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?=[^<]) )+ )/xgcs) {
1570 $group = $1;
1571
1572 $group =~ s/&/&amp;/g;
1573 $group =~ s/</&lt;/g;
1574
1575 $xml .= $group;
1576 } elsif ($pod =~ m%\G
1577 ([BCGHITU])
1578 <
1579 (?:
1580 ([^<>]*) (?{ $group = $^N })
1581 | < $interior >
1582 )
1583 >
1584 %gcsx
1585 ) {
1586 my ($code, $data) = ($1, $group);
1587
1588 if ($code eq "B") {
1589 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1590 } elsif ($code eq "I") {
1591 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1592 } elsif ($code eq "U") {
1593 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1594 } elsif ($code eq "C") {
1595 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1596 } elsif ($code eq "T") {
1597 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1598 } elsif ($code eq "G") {
1599 my ($male, $female) = split /\|/, $data;
1600 $data = $self->gender ? $female : $male;
1601 $xml .= expand_cfpod ($self, $data);
1602 } elsif ($code eq "H") {
1603 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1604 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1605 "")
1606 [$self->{hintmode}];
1607 } else {
1608 $xml .= "error processing '$code($data)' directive";
1609 }
1610 } else {
1611 if ($pod =~ /\G(.+)/) {
1612 warn "parse error while expanding $pod (at $1)";
1613 }
1614 last;
1615 }
1616 }
1617
1618 for ($xml) {
1619 # create single paragraphs (very hackish)
1620 s/(?<=\S)\n(?=\w)/ /g;
1621
1622 # compress some whitespace
1623 s/\s+\n/\n/g; # ws line-ends
1624 s/\n\n+/\n/g; # double lines
1625 s/^\n+//; # beginning lines
1626 s/\n+$//; # ending lines
1627 }
1628
1629 $xml
1630}
1631
1632sub hintmode {
1633 $_[0]{hintmode} = $_[1] if @_ > 1;
1634 $_[0]{hintmode}
1635}
1636
1127=item $player->ext_reply ($msgid, $msgtype, %msg) 1637=item $player->ext_reply ($msgid, @msg)
1128 1638
1129Sends an ext reply to the player. 1639Sends an ext reply to the player.
1130 1640
1131=cut 1641=cut
1132 1642
1133sub ext_reply($$$%) { 1643sub ext_reply($$@) {
1134 my ($self, $id, %msg) = @_; 1644 my ($self, $id, @msg) = @_;
1135 1645
1136 $msg{msgid} = $id; 1646 $self->ns->ext_reply ($id, @msg)
1137
1138 $self->send ("ext " . cf::to_json \%msg);
1139} 1647}
1140 1648
1141package cf; 1649=item $player->ext_msg ($type, @msg)
1650
1651Sends an ext event to the client.
1652
1653=cut
1654
1655sub ext_msg($$@) {
1656 my ($self, $type, @msg) = @_;
1657
1658 $self->ns->ext_msg ($type, @msg);
1659}
1660
1661=head3 cf::region
1662
1663=over 4
1664
1665=cut
1666
1667package cf::region;
1668
1669=item cf::region::find_by_path $path
1670
1671Tries to decuce the likely region for a map knowing only its path.
1672
1673=cut
1674
1675sub find_by_path($) {
1676 my ($path) = @_;
1677
1678 my ($match, $specificity);
1679
1680 for my $region (list) {
1681 if ($region->{match} && $path =~ $region->{match}) {
1682 ($match, $specificity) = ($region, $region->specificity)
1683 if $region->specificity > $specificity;
1684 }
1685 }
1686
1687 $match
1688}
1142 1689
1143=back 1690=back
1144
1145 1691
1146=head3 cf::map 1692=head3 cf::map
1147 1693
1148=over 4 1694=over 4
1149 1695
1204 my ($self, $merge) = @_; 1750 my ($self, $merge) = @_;
1205 1751
1206 # we have to keep some variables in memory intact 1752 # we have to keep some variables in memory intact
1207 local $self->{path}; 1753 local $self->{path};
1208 local $self->{load_path}; 1754 local $self->{load_path};
1209 local $self->{deny_save};
1210 local $self->{deny_reset};
1211 1755
1212 $self->SUPER::thawer_merge ($merge); 1756 $self->SUPER::thawer_merge ($merge);
1213} 1757}
1214 1758
1215sub normalise { 1759sub normalise {
1262 $self->init; # pass $1 etc. 1806 $self->init; # pass $1 etc.
1263 return $self; 1807 return $self;
1264 } 1808 }
1265 } 1809 }
1266 1810
1267 Carp::carp "unable to resolve path '$path' (base '$base')."; 1811 Carp::cluck "unable to resolve path '$path' (base '$base').";
1268 () 1812 ()
1269} 1813}
1270 1814
1271sub init { 1815sub init {
1272 my ($self) = @_; 1816 my ($self) = @_;
1287 1831
1288# the original (read-only) location 1832# the original (read-only) location
1289sub load_path { 1833sub load_path {
1290 my ($self) = @_; 1834 my ($self) = @_;
1291 1835
1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} 1836 "$MAPDIR/$self->{path}.map"
1293} 1837}
1294 1838
1295# the temporary/swap location 1839# the temporary/swap location
1296sub save_path { 1840sub save_path {
1297 my ($self) = @_; 1841 my ($self) = @_;
1298 1842
1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1843 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path 1844 "$TMPDIR/$path.map"
1301} 1845}
1302 1846
1303# the unique path, undef == no special unique path 1847# the unique path, undef == no special unique path
1304sub uniq_path { 1848sub uniq_path {
1305 my ($self) = @_; 1849 my ($self) = @_;
1306 1850
1307 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1851 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1852 "$UNIQUEDIR/$path"
1309} 1853}
1310 1854
1311# and all this just because we cannot iterate over 1855# and all this just because we cannot iterate over
1312# all maps in C++... 1856# all maps in C++...
1313sub change_all_map_light { 1857sub change_all_map_light {
1315 1859
1316 $_->change_map_light ($change) 1860 $_->change_map_light ($change)
1317 for grep $_->outdoor, values %cf::MAP; 1861 for grep $_->outdoor, values %cf::MAP;
1318} 1862}
1319 1863
1864sub decay_objects {
1865 my ($self) = @_;
1866
1867 return if $self->{deny_reset};
1868
1869 $self->do_decay_objects;
1870}
1871
1320sub unlink_save { 1872sub unlink_save {
1321 my ($self) = @_; 1873 my ($self) = @_;
1322 1874
1323 utf8::encode (my $save = $self->save_path); 1875 utf8::encode (my $save = $self->save_path);
1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1876 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1327 1879
1328sub load_header_from($) { 1880sub load_header_from($) {
1329 my ($self, $path) = @_; 1881 my ($self, $path) = @_;
1330 1882
1331 utf8::encode $path; 1883 utf8::encode $path;
1332 #aio_open $path, O_RDONLY, 0 1884 my $f = new_from_file cf::object::thawer $path
1333 # or return;
1334
1335 $self->_load_header ($path)
1336 or return; 1885 or return;
1886
1887 $self->_load_header ($f)
1888 or return;
1889
1890 local $MAP_LOADING{$self->{path}} = $self;
1891 $f->resolve_delayed_derefs;
1337 1892
1338 $self->{load_path} = $path; 1893 $self->{load_path} = $path;
1339 1894
1340 1 1895 1
1341} 1896}
1380 $self->load_header_orig 1935 $self->load_header_orig
1381 or return; 1936 or return;
1382 $self->prepare_orig; 1937 $self->prepare_orig;
1383 } 1938 }
1384 1939
1940 $self->{deny_reset} = 1
1941 if $self->no_reset;
1942
1943 $self->default_region (cf::region::find_by_path $self->{path})
1944 unless $self->default_region;
1945
1385 1 1946 1
1386} 1947}
1387 1948
1388sub find; 1949sub find;
1389sub find { 1950sub find {
1390 my ($path, $origin) = @_; 1951 my ($path, $origin) = @_;
1391 1952
1392 $path = normalise $path, $origin && $origin->path; 1953 $path = normalise $path, $origin && $origin->path;
1393 1954
1955 cf::lock_wait "map_data:$path";#d#remove
1394 cf::lock_wait "map_find:$path"; 1956 cf::lock_wait "map_find:$path";
1395 1957
1396 $cf::MAP{$path} || do { 1958 $cf::MAP{$path} || do {
1397 my $guard = cf::lock_acquire "map_find:$path"; 1959 my $guard1 = cf::lock_acquire "map_find:$path";
1960 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1961
1398 my $map = new_from_path cf::map $path 1962 my $map = new_from_path cf::map $path
1399 or return; 1963 or return;
1400 1964
1401 $map->{last_save} = $cf::RUNTIME; 1965 $map->{last_save} = $cf::RUNTIME;
1402 1966
1403 $map->load_header 1967 $map->load_header
1404 or return; 1968 or return;
1405 1969
1406 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1970 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407 # doing this can freeze the server in a sync job, obviously 1971 # doing this can freeze the server in a sync job, obviously
1408 #$cf::WAIT_FOR_TICK->wait; 1972 #$cf::WAIT_FOR_TICK->wait;
1973 undef $guard1;
1974 undef $guard2;
1409 $map->reset; 1975 $map->reset;
1410 undef $guard;
1411 return find $path; 1976 return find $path;
1412 } 1977 }
1413 1978
1414 $cf::MAP{$path} = $map 1979 $cf::MAP{$path} = $map
1415 } 1980 }
1422 my ($self) = @_; 1987 my ($self) = @_;
1423 1988
1424 local $self->{deny_reset} = 1; # loading can take a long time 1989 local $self->{deny_reset} = 1; # loading can take a long time
1425 1990
1426 my $path = $self->{path}; 1991 my $path = $self->{path};
1992
1993 {
1427 my $guard = cf::lock_acquire "map_load:$path"; 1994 my $guard = cf::lock_acquire "map_data:$path";
1428 1995
1996 return unless $self->valid;
1429 return if $self->in_memory != cf::MAP_SWAPPED; 1997 return unless $self->in_memory == cf::MAP_SWAPPED;
1430 1998
1431 $self->in_memory (cf::MAP_LOADING); 1999 $self->in_memory (cf::MAP_LOADING);
1432 2000
1433 $self->alloc; 2001 $self->alloc;
1434 2002
1435 $self->pre_load; 2003 $self->pre_load;
2004 cf::cede_to_tick;
1436 2005
1437 $self->_load_objects ($self->{load_path}, 1) 2006 my $f = new_from_file cf::object::thawer $self->{load_path};
2007 $f->skip_block;
2008 $self->_load_objects ($f)
1438 or return; 2009 or return;
1439 2010
1440 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2011 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441 if delete $self->{load_original}; 2012 if delete $self->{load_original};
1442 2013
1443 if (my $uniq = $self->uniq_path) { 2014 if (my $uniq = $self->uniq_path) {
1444 utf8::encode $uniq; 2015 utf8::encode $uniq;
1445 if (aio_open $uniq, O_RDONLY, 0) { 2016 unless (aio_stat $uniq) {
2017 if (my $f = new_from_file cf::object::thawer $uniq) {
1446 $self->clear_unique_items; 2018 $self->clear_unique_items;
1447 $self->_load_objects ($uniq, 0); 2019 $self->_load_objects ($f);
2020 $f->resolve_delayed_derefs;
2021 }
1448 } 2022 }
1449 } 2023 }
1450 2024
1451 Coro::cede; 2025 $f->resolve_delayed_derefs;
1452 2026
2027 cf::cede_to_tick;
1453 # now do the right thing for maps 2028 # now do the right thing for maps
1454 $self->link_multipart_objects; 2029 $self->link_multipart_objects;
1455
1456 unless ($self->{deny_activate}) {
1457 $self->decay_objects;
1458 $self->fix_auto_apply;
1459 $self->update_buttons;
1460 Coro::cede;
1461 $self->set_darkness_map;
1462 $self->difficulty ($self->estimate_difficulty) 2030 $self->difficulty ($self->estimate_difficulty)
1463 unless $self->difficulty; 2031 unless $self->difficulty;
1464 Coro::cede; 2032 cf::cede_to_tick;
2033
2034 unless ($self->{deny_activate}) {
2035 $self->decay_objects;
2036 $self->fix_auto_apply;
2037 $self->update_buttons;
2038 cf::cede_to_tick;
2039 $self->set_darkness_map;
2040 cf::cede_to_tick;
1465 $self->activate; 2041 $self->activate;
2042 }
2043
2044 $self->{last_save} = $cf::RUNTIME;
2045 $self->last_access ($cf::RUNTIME);
2046
2047 $self->in_memory (cf::MAP_IN_MEMORY);
1466 } 2048 }
1467 2049
1468 $self->post_load; 2050 $self->post_load;
1469
1470 $self->in_memory (cf::MAP_IN_MEMORY);
1471} 2051}
1472 2052
1473sub customise_for { 2053sub customise_for {
1474 my ($self, $ob) = @_; 2054 my ($self, $ob) = @_;
1475 2055
1476 return find "~" . $ob->name . "/" . $self->{path} 2056 return find "~" . $ob->name . "/" . $self->{path}
1477 if $self->per_player; 2057 if $self->per_player;
1478 2058
2059# return find "?party/" . $ob->name . "/" . $self->{path}
2060# if $self->per_party;
2061
1479 $self 2062 $self
1480} 2063}
1481 2064
1482# find and load all maps in the 3x3 area around a map 2065# find and load all maps in the 3x3 area around a map
1483sub load_diag { 2066sub load_neighbours {
1484 my ($map) = @_; 2067 my ($map) = @_;
1485 2068
1486 my @diag; # diagonal neighbours 2069 my @neigh; # diagonal neighbours
1487 2070
1488 for (0 .. 3) { 2071 for (0 .. 3) {
1489 my $neigh = $map->tile_path ($_) 2072 my $neigh = $map->tile_path ($_)
1490 or next; 2073 or next;
1491 $neigh = find $neigh, $map 2074 $neigh = find $neigh, $map
1492 or next; 2075 or next;
1493 $neigh->load; 2076 $neigh->load;
1494 2077
2078 push @neigh,
1495 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2079 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1496 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2080 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1497 } 2081 }
1498 2082
1499 for (@diag) { 2083 for (grep defined $_->[0], @neigh) {
2084 my ($path, $origin) = @$_;
1500 my $neigh = find @$_ 2085 my $neigh = find $path, $origin
1501 or next; 2086 or next;
1502 $neigh->load; 2087 $neigh->load;
1503 } 2088 }
1504} 2089}
1505 2090
1510} 2095}
1511 2096
1512sub do_load_sync { 2097sub do_load_sync {
1513 my ($map) = @_; 2098 my ($map) = @_;
1514 2099
2100 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2101 if $Coro::current == $Coro::main;
2102
1515 cf::sync_job { $map->load }; 2103 cf::sync_job { $map->load };
1516} 2104}
1517 2105
1518our %MAP_PREFETCH; 2106our %MAP_PREFETCH;
1519our $MAP_PREFETCHER = undef; 2107our $MAP_PREFETCHER = undef;
1520 2108
1521sub find_async { 2109sub find_async {
1522 my ($path, $origin) = @_; 2110 my ($path, $origin, $load) = @_;
1523 2111
1524 $path = normalise $path, $origin && $origin->{path}; 2112 $path = normalise $path, $origin && $origin->{path};
1525 2113
1526 if (my $map = $cf::MAP{$path}) { 2114 if (my $map = $cf::MAP{$path}) {
1527 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2115 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528 } 2116 }
1529 2117
1530 undef $MAP_PREFETCH{$path}; 2118 $MAP_PREFETCH{$path} |= $load;
2119
1531 $MAP_PREFETCHER ||= cf::async { 2120 $MAP_PREFETCHER ||= cf::async {
2121 $Coro::current->{desc} = "map prefetcher";
2122
1532 while (%MAP_PREFETCH) { 2123 while (%MAP_PREFETCH) {
1533 for my $path (keys %MAP_PREFETCH) { 2124 while (my ($k, $v) = each %MAP_PREFETCH) {
1534 my $map = find $path 2125 if (my $map = find $k) {
1535 or next;
1536 $map->load; 2126 $map->load if $v;
2127 }
1537 2128
1538 delete $MAP_PREFETCH{$path}; 2129 delete $MAP_PREFETCH{$k};
1539 } 2130 }
1540 } 2131 }
1541 undef $MAP_PREFETCHER; 2132 undef $MAP_PREFETCHER;
1542 }; 2133 };
1543 $MAP_PREFETCHER->prio (6); 2134 $MAP_PREFETCHER->prio (6);
1546} 2137}
1547 2138
1548sub save { 2139sub save {
1549 my ($self) = @_; 2140 my ($self) = @_;
1550 2141
1551 my $lock = cf::lock_acquire "map_data:" . $self->path; 2142 my $lock = cf::lock_acquire "map_data:$self->{path}";
1552 2143
1553 $self->{last_save} = $cf::RUNTIME; 2144 $self->{last_save} = $cf::RUNTIME;
1554 2145
1555 return unless $self->dirty; 2146 return unless $self->dirty;
1556 2147
1562 return if $self->{deny_save}; 2153 return if $self->{deny_save};
1563 2154
1564 local $self->{last_access} = $self->last_access;#d# 2155 local $self->{last_access} = $self->last_access;#d#
1565 2156
1566 cf::async { 2157 cf::async {
2158 $Coro::current->{desc} = "map player save";
1567 $_->contr->save for $self->players; 2159 $_->contr->save for $self->players;
1568 }; 2160 };
1569 2161
1570 if ($uniq) { 2162 if ($uniq) {
1571 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2163 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1579 my ($self) = @_; 2171 my ($self) = @_;
1580 2172
1581 # save first because save cedes 2173 # save first because save cedes
1582 $self->save; 2174 $self->save;
1583 2175
1584 my $lock = cf::lock_acquire "map_data:" . $self->path; 2176 my $lock = cf::lock_acquire "map_data:$self->{path}";
1585 2177
1586 return if $self->players; 2178 return if $self->players;
1587 return if $self->in_memory != cf::MAP_IN_MEMORY; 2179 return if $self->in_memory != cf::MAP_IN_MEMORY;
1588 return if $self->{deny_save}; 2180 return if $self->{deny_save};
1589 2181
2182 $self->in_memory (cf::MAP_SWAPPED);
2183
2184 $self->deactivate;
2185 $_->clear_links_to ($self) for values %cf::MAP;
1590 $self->clear; 2186 $self->clear;
1591 $self->in_memory (cf::MAP_SWAPPED);
1592} 2187}
1593 2188
1594sub reset_at { 2189sub reset_at {
1595 my ($self) = @_; 2190 my ($self) = @_;
1596 2191
1597 # TODO: safety, remove and allow resettable per-player maps 2192 # TODO: safety, remove and allow resettable per-player maps
1598 return 1e99 if $self->isa ("ext::map_per_player");#d#
1599 return 1e99 if $self->{deny_reset}; 2193 return 1e99 if $self->{deny_reset};
1600 2194
1601 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2195 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2196 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603 2197
1614 my ($self) = @_; 2208 my ($self) = @_;
1615 2209
1616 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2210 my $lock = cf::lock_acquire "map_data:$self->{path}";
1617 2211
1618 return if $self->players; 2212 return if $self->players;
1619 return if $self->isa ("ext::map_per_player");#d#
1620 2213
1621 warn "resetting map ", $self->path;#d# 2214 warn "resetting map ", $self->path;
1622 2215
1623 $self->in_memory (cf::MAP_SWAPPED); 2216 $self->in_memory (cf::MAP_SWAPPED);
1624 2217
1625 # need to save uniques path 2218 # need to save uniques path
1626 unless ($self->{deny_save}) { 2219 unless ($self->{deny_save}) {
1630 if $uniq; 2223 if $uniq;
1631 } 2224 }
1632 2225
1633 delete $cf::MAP{$self->path}; 2226 delete $cf::MAP{$self->path};
1634 2227
2228 $self->deactivate;
2229 $_->clear_links_to ($self) for values %cf::MAP;
1635 $self->clear; 2230 $self->clear;
1636
1637 $_->clear_links_to ($self) for values %cf::MAP;
1638 2231
1639 $self->unlink_save; 2232 $self->unlink_save;
1640 $self->destroy; 2233 $self->destroy;
1641} 2234}
1642 2235
1643my $nuke_counter = "aaaa"; 2236my $nuke_counter = "aaaa";
1644 2237
1645sub nuke { 2238sub nuke {
1646 my ($self) = @_; 2239 my ($self) = @_;
1647 2240
2241 {
2242 my $lock = cf::lock_acquire "map_data:$self->{path}";
2243
1648 delete $cf::MAP{$self->path}; 2244 delete $cf::MAP{$self->path};
1649 2245
1650 $self->unlink_save; 2246 $self->unlink_save;
1651 2247
1652 bless $self, "cf::map"; 2248 bless $self, "cf::map";
1653 delete $self->{deny_reset}; 2249 delete $self->{deny_reset};
1654 $self->{deny_save} = 1; 2250 $self->{deny_save} = 1;
1655 $self->reset_timeout (1); 2251 $self->reset_timeout (1);
1656 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2252 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657 2253
1658 $cf::MAP{$self->path} = $self; 2254 $cf::MAP{$self->path} = $self;
2255 }
1659 2256
1660 $self->reset; # polite request, might not happen 2257 $self->reset; # polite request, might not happen
2258}
2259
2260=item $maps = cf::map::tmp_maps
2261
2262Returns an arrayref with all map paths of currently instantiated and saved
2263maps. May block.
2264
2265=cut
2266
2267sub tmp_maps() {
2268 [
2269 map {
2270 utf8::decode $_;
2271 /\.map$/
2272 ? normalise $_
2273 : ()
2274 } @{ aio_readdir $TMPDIR or [] }
2275 ]
2276}
2277
2278=item $maps = cf::map::random_maps
2279
2280Returns an arrayref with all map paths of currently instantiated and saved
2281random maps. May block.
2282
2283=cut
2284
2285sub random_maps() {
2286 [
2287 map {
2288 utf8::decode $_;
2289 /\.map$/
2290 ? normalise "?random/$_"
2291 : ()
2292 } @{ aio_readdir $RANDOMDIR or [] }
2293 ]
1661} 2294}
1662 2295
1663=item cf::map::unique_maps 2296=item cf::map::unique_maps
1664 2297
1665Returns an arrayref of paths of all shared maps that have 2298Returns an arrayref of paths of all shared maps that have
1666instantiated unique items. May block. 2299instantiated unique items. May block.
1667 2300
1668=cut 2301=cut
1669 2302
1670sub unique_maps() { 2303sub unique_maps() {
1671 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2304 [
1672 or return; 2305 map {
1673
1674 my @paths;
1675
1676 for (@$files) {
1677 utf8::decode $_; 2306 utf8::decode $_;
1678 next if /\.pst$/; 2307 /\.map$/
1679 next unless /^$PATH_SEP/o; 2308 ? normalise $_
1680 2309 : ()
1681 push @paths, cf::map::normalise $_; 2310 } @{ aio_readdir $UNIQUEDIR or [] }
1682 } 2311 ]
1683
1684 \@paths
1685} 2312}
1686 2313
1687package cf; 2314package cf;
1688 2315
1689=back 2316=back
1707 map { $_, inv_recursive_ $_->inv } @_ 2334 map { $_, inv_recursive_ $_->inv } @_
1708} 2335}
1709 2336
1710sub inv_recursive { 2337sub inv_recursive {
1711 inv_recursive_ inv $_[0] 2338 inv_recursive_ inv $_[0]
2339}
2340
2341=item $ref = $ob->ref
2342
2343creates and returns a persistent reference to an objetc that can be stored as a string.
2344
2345=item $ob = cf::object::deref ($refstring)
2346
2347returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2348even if the object actually exists. May block.
2349
2350=cut
2351
2352sub deref {
2353 my ($ref) = @_;
2354
2355 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2356 my ($uuid, $name) = ($1, $2);
2357 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2358 or return;
2359 $pl->ob->uuid eq $uuid
2360 or return;
2361
2362 $pl->ob
2363 } else {
2364 warn "$ref: cannot resolve object reference\n";
2365 undef
2366 }
1712} 2367}
1713 2368
1714package cf; 2369package cf;
1715 2370
1716=back 2371=back
1735 2390
1736 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2391 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737 2392
1738 if ($self->{record_replies}) { 2393 if ($self->{record_replies}) {
1739 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2394 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2395
1740 } else { 2396 } else {
2397 my $pl = $self->contr;
2398
2399 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2400 my $dialog = $pl->{npc_dialog};
2401 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2402
2403 } else {
1741 $msg = $npc->name . " says: $msg" if $npc; 2404 $msg = $npc->name . " says: $msg" if $npc;
1742 $self->message ($msg, $flags); 2405 $self->message ($msg, $flags);
2406 }
1743 } 2407 }
2408}
2409
2410=item $object->send_msg ($channel, $msg, $color, [extra...])
2411
2412=cut
2413
2414sub cf::object::send_msg {
2415 my $pl = shift->contr
2416 or return;
2417 $pl->send_msg (@_);
1744} 2418}
1745 2419
1746=item $player_object->may ("access") 2420=item $player_object->may ("access")
1747 2421
1748Returns wether the given player is authorized to access resource "access" 2422Returns wether the given player is authorized to access resource "access"
1795 $self->deactivate_recursive; 2469 $self->deactivate_recursive;
1796 2470
1797 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2471 return if UNIVERSAL::isa $self->map, "ext::map_link";
1798 2472
1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2473 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800 if $self->map; 2474 if $self->map && $self->map->{path} ne "{link}";
1801 2475
1802 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2476 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1803} 2477}
1804 2478
1805sub cf::object::player::leave_link { 2479sub cf::object::player::leave_link {
1806 my ($self, $map, $x, $y) = @_; 2480 my ($self, $map, $x, $y) = @_;
2481
2482 return unless $self->contr->active;
1807 2483
1808 my $link_pos = delete $self->{_link_pos}; 2484 my $link_pos = delete $self->{_link_pos};
1809 2485
1810 unless ($map) { 2486 unless ($map) {
1811 # restore original map position 2487 # restore original map position
1825 # use -1 or undef as default coordinates, not 0, 0 2501 # use -1 or undef as default coordinates, not 0, 0
1826 ($x, $y) = ($map->enter_x, $map->enter_y) 2502 ($x, $y) = ($map->enter_x, $map->enter_y)
1827 if $x <=0 && $y <= 0; 2503 if $x <=0 && $y <= 0;
1828 2504
1829 $map->load; 2505 $map->load;
1830 $map->load_diag; 2506 $map->load_neighbours;
1831 2507
1832 return unless $self->contr->active; 2508 return unless $self->contr->active;
1833 $self->activate_recursive; 2509 $self->activate_recursive;
1834 2510
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext 2511 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836 $self->enter_map ($map, $x, $y); 2512 $self->enter_map ($map, $x, $y);
1837} 2513}
1838 2514
1839cf::player->attach ( 2515=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840 on_logout => sub {
1841 my ($pl) = @_;
1842 2516
1843 # abort map switching before logout 2517Moves the player to the given map-path and coordinates by first freezing
1844 if ($pl->ob->{_link_pos}) { 2518her, loading and preparing them map, calling the provided $check callback
1845 cf::sync_job { 2519that has to return the map if sucecssful, and then unfreezes the player on
1846 $pl->ob->leave_link 2520the new (success) or old (failed) map position. In either case, $done will
1847 }; 2521be called at the end of this process.
1848 }
1849 },
1850 on_login => sub {
1851 my ($pl) = @_;
1852 2522
1853 # try to abort aborted map switching on player login :)
1854 # should happen only on crashes
1855 if ($pl->ob->{_link_pos}) {
1856 $pl->ob->enter_link;
1857 (async {
1858 $pl->ob->reply (undef,
1859 "There was an internal problem at your last logout, "
1860 . "the server will try to bring you to your intended destination in a second.",
1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1864 Coro::Timer::sleep 1;
1865 $pl->ob->leave_link;
1866 })->prio (2);
1867 }
1868 },
1869);
1870
1871=item $player_object->goto ($path, $x, $y)
1872
1873=cut 2523=cut
2524
2525our $GOTOGEN;
1874 2526
1875sub cf::object::player::goto { 2527sub cf::object::player::goto {
1876 my ($self, $path, $x, $y) = @_; 2528 my ($self, $path, $x, $y, $check, $done) = @_;
2529
2530 # do generation counting so two concurrent goto's will be executed in-order
2531 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877 2532
1878 $self->enter_link; 2533 $self->enter_link;
1879 2534
1880 (async { 2535 (async {
2536 $Coro::current->{desc} = "player::goto $path $x $y";
2537
2538 # *tag paths override both path and x|y
2539 if ($path =~ /^\*(.*)$/) {
2540 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2541 my $ob = $obs[rand @obs];
2542
2543 # see if we actually can go there
2544 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2545 $ob = $obs[rand @obs];
2546 } else {
2547 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2548 }
2549 # else put us there anyways for now #d#
2550
2551 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2552 } else {
2553 ($path, $x, $y) = (undef, undef, undef);
2554 }
2555 }
2556
1881 my $map = eval { 2557 my $map = eval {
1882 my $map = cf::map::find $path; 2558 my $map = defined $path ? cf::map::find $path : undef;
2559
2560 if ($map) {
1883 $map = $map->customise_for ($self) if $map; 2561 $map = $map->customise_for ($self);
2562 $map = $check->($map) if $check && $map;
2563 } else {
2564 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2565 }
2566
1884 $map 2567 $map
2568 };
2569
2570 if ($@) {
2571 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2572 LOG llevError | logBacktrace, Carp::longmess $@;
1885 } or 2573 }
1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887 2574
2575 if ($gen == $self->{_goto_generation}) {
2576 delete $self->{_goto_generation};
1888 $self->leave_link ($map, $x, $y); 2577 $self->leave_link ($map, $x, $y);
2578 }
2579
2580 $done->() if $done;
1889 })->prio (1); 2581 })->prio (1);
1890} 2582}
1891 2583
1892=item $player_object->enter_exit ($exit_object) 2584=item $player_object->enter_exit ($exit_object)
1893 2585
1932 2624
1933 $rmp->{random_seed} ||= $exit->random_seed; 2625 $rmp->{random_seed} ||= $exit->random_seed;
1934 2626
1935 my $data = cf::to_json $rmp; 2627 my $data = cf::to_json $rmp;
1936 my $md5 = Digest::MD5::md5_hex $data; 2628 my $md5 = Digest::MD5::md5_hex $data;
1937 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2629 my $meta = "$RANDOMDIR/$md5.meta";
1938 2630
1939 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2631 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940 aio_write $fh, 0, (length $data), $data, 0; 2632 aio_write $fh, 0, (length $data), $data, 0;
1941 undef $fh; 2633 undef $fh;
1942 aio_rename "$meta~", $meta; 2634 aio_rename "$meta~", $meta;
1951 2643
1952 return unless $self->type == cf::PLAYER; 2644 return unless $self->type == cf::PLAYER;
1953 2645
1954 if ($exit->slaying eq "/!") { 2646 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job 2647 #TODO: this should de-fi-ni-te-ly not be a sync-job
2648 # the problem is that $exit might not survive long enough
2649 # so it needs to be done right now, right here
1956 cf::sync_job { prepare_random_map $exit }; 2650 cf::sync_job { prepare_random_map $exit };
1957 } 2651 }
1958 2652
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; 2653 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp; 2654 my $hp = $exit->stats->hp;
1961 my $sp = $exit->stats->sp; 2655 my $sp = $exit->stats->sp;
1962 2656
1963 $self->enter_link; 2657 $self->enter_link;
1964 2658
2659 # if exit is damned, update players death & WoR home-position
2660 $self->contr->savebed ($slaying, $hp, $sp)
2661 if $exit->flag (FLAG_DAMNED);
2662
1965 (async { 2663 (async {
2664 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2665
1966 $self->deactivate_recursive; # just to be sure 2666 $self->deactivate_recursive; # just to be sure
1967 unless (eval { 2667 unless (eval {
1968 $self->goto ($slaying, $hp, $sp); 2668 $self->goto ($slaying, $hp, $sp);
1969 2669
1970 1; 2670 1;
1971 }) { 2671 }) {
1972 $self->message ("Something went wrong deep within the crossfire server. " 2672 $self->message ("Something went wrong deep within the crossfire server. "
1973 . "I'll try to bring you back to the map you were before. " 2673 . "I'll try to bring you back to the map you were before. "
1974 . "Please report this to the dungeon master!", 2674 . "Please report this to the dungeon master!",
1975 cf::NDI_UNIQUE | cf::NDI_RED); 2675 cf::NDI_UNIQUE | cf::NDI_RED);
1976 2676
1977 warn "ERROR in enter_exit: $@"; 2677 warn "ERROR in enter_exit: $@";
1978 $self->leave_link; 2678 $self->leave_link;
1979 } 2679 }
1980 })->prio (1); 2680 })->prio (1);
1993 2693
1994sub cf::client::send_drawinfo { 2694sub cf::client::send_drawinfo {
1995 my ($self, $text, $flags) = @_; 2695 my ($self, $text, $flags) = @_;
1996 2696
1997 utf8::encode $text; 2697 utf8::encode $text;
1998 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2698 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999} 2699}
2000 2700
2701=item $client->send_msg ($channel, $msg, $color, [extra...])
2702
2703Send a drawinfo or msg packet to the client, formatting the msg for the
2704client if neccessary. C<$type> should be a string identifying the type of
2705the message, with C<log> being the default. If C<$color> is negative, suppress
2706the message unless the client supports the msg packet.
2707
2708=cut
2709
2710# non-persistent channels (usually the info channel)
2711our %CHANNEL = (
2712 "c/identify" => {
2713 id => "infobox",
2714 title => "Identify",
2715 reply => undef,
2716 tooltip => "Items recently identified",
2717 },
2718 "c/examine" => {
2719 id => "infobox",
2720 title => "Examine",
2721 reply => undef,
2722 tooltip => "Signs and other items you examined",
2723 },
2724 "c/book" => {
2725 id => "infobox",
2726 title => "Book",
2727 reply => undef,
2728 tooltip => "The contents of a note or book",
2729 },
2730 "c/lookat" => {
2731 id => "infobox",
2732 title => "Look",
2733 reply => undef,
2734 tooltip => "What you saw there",
2735 },
2736 "c/who" => {
2737 id => "infobox",
2738 title => "Players",
2739 reply => undef,
2740 tooltip => "Shows players who are currently online",
2741 },
2742 "c/body" => {
2743 id => "infobox",
2744 title => "Body Parts",
2745 reply => undef,
2746 tooltip => "Shows which body parts you posess and are available",
2747 },
2748 "c/uptime" => {
2749 id => "infobox",
2750 title => "Uptime",
2751 reply => undef,
2752 tooltip => "How long the server has been running since last restart",
2753 },
2754 "c/mapinfo" => {
2755 id => "infobox",
2756 title => "Map Info",
2757 reply => undef,
2758 tooltip => "Information related to the maps",
2759 },
2760);
2761
2762sub cf::client::send_msg {
2763 my ($self, $channel, $msg, $color, @extra) = @_;
2764
2765 $msg = $self->pl->expand_cfpod ($msg);
2766
2767 $color &= cf::NDI_CLIENT_MASK; # just in case...
2768
2769 # check predefined channels, for the benefit of C
2770 if ($CHANNEL{$channel}) {
2771 $channel = $CHANNEL{$channel};
2772
2773 $self->ext_msg (channel_info => $channel)
2774 if $self->can_msg;
2775
2776 $channel = $channel->{id};
2777
2778 } elsif (ref $channel) {
2779 # send meta info to client, if not yet sent
2780 unless (exists $self->{channel}{$channel->{id}}) {
2781 $self->{channel}{$channel->{id}} = $channel;
2782 $self->ext_msg (channel_info => $channel)
2783 if $self->can_msg;
2784 }
2785
2786 $channel = $channel->{id};
2787 }
2788
2789 return unless @extra || length $msg;
2790
2791 if ($self->can_msg) {
2792 # default colour, mask it out
2793 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2794 if $color & cf::NDI_DEF;
2795
2796 $self->send_packet ("msg " . $self->{json_coder}->encode (
2797 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2798 } else {
2799 if ($color >= 0) {
2800 # replace some tags by gcfclient-compatible ones
2801 for ($msg) {
2802 1 while
2803 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2804 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2805 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2806 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2807 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2808 }
2809
2810 $color &= cf::NDI_COLOR_MASK;
2811
2812 utf8::encode $msg;
2813
2814 if (0 && $msg =~ /\[/) {
2815 # COMMAND/INFO
2816 $self->send_packet ("drawextinfo $color 10 8 $msg")
2817 } else {
2818 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2819 $self->send_packet ("drawinfo $color $msg")
2820 }
2821 }
2822 }
2823}
2824
2825=item $client->ext_msg ($type, @msg)
2826
2827Sends an ext event to the client.
2828
2829=cut
2830
2831sub cf::client::ext_msg($$@) {
2832 my ($self, $type, @msg) = @_;
2833
2834 if ($self->extcmd == 2) {
2835 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2836 } elsif ($self->extcmd == 1) { # TODO: remove
2837 push @msg, msgtype => "event_$type";
2838 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2839 }
2840}
2841
2842=item $client->ext_reply ($msgid, @msg)
2843
2844Sends an ext reply to the client.
2845
2846=cut
2847
2848sub cf::client::ext_reply($$@) {
2849 my ($self, $id, @msg) = @_;
2850
2851 if ($self->extcmd == 2) {
2852 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2853 } elsif ($self->extcmd == 1) {
2854 #TODO: version 1, remove
2855 unshift @msg, msgtype => "reply", msgid => $id;
2856 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857 }
2858}
2001 2859
2002=item $success = $client->query ($flags, "text", \&cb) 2860=item $success = $client->query ($flags, "text", \&cb)
2003 2861
2004Queues a query to the client, calling the given callback with 2862Queues a query to the client, calling the given callback with
2005the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2863the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2864C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007 2865
2008Queries can fail, so check the return code. Or don't, as queries will become 2866Queries can fail, so check the return code. Or don't, as queries will
2009reliable at some point in the future. 2867become reliable at some point in the future.
2010 2868
2011=cut 2869=cut
2012 2870
2013sub cf::client::query { 2871sub cf::client::query {
2014 my ($self, $flags, $text, $cb) = @_; 2872 my ($self, $flags, $text, $cb) = @_;
2022 utf8::encode $text; 2880 utf8::encode $text;
2023 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2881 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024 2882
2025 $self->send_packet ($self->{query_queue}[0][0]) 2883 $self->send_packet ($self->{query_queue}[0][0])
2026 if @{ $self->{query_queue} } == 1; 2884 if @{ $self->{query_queue} } == 1;
2885
2886 1
2027} 2887}
2028 2888
2029cf::client->attach ( 2889cf::client->attach (
2890 on_connect => sub {
2891 my ($ns) = @_;
2892
2893 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2894 },
2030 on_reply => sub { 2895 on_reply => sub {
2031 my ($ns, $msg) = @_; 2896 my ($ns, $msg) = @_;
2032 2897
2033 # this weird shuffling is so that direct followup queries 2898 # this weird shuffling is so that direct followup queries
2034 # get handled first 2899 # get handled first
2046 } else { 2911 } else {
2047 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2912 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048 } 2913 }
2049 } 2914 }
2050 }, 2915 },
2916 on_exticmd => sub {
2917 my ($ns, $buf) = @_;
2918
2919 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2920
2921 if (ref $msg) {
2922 my ($type, $reply, @payload) =
2923 "ARRAY" eq ref $msg
2924 ? @$msg
2925 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2926
2927 my @reply;
2928
2929 if (my $cb = $EXTICMD{$type}) {
2930 @reply = $cb->($ns, @payload);
2931 }
2932
2933 $ns->ext_reply ($reply, @reply)
2934 if $reply;
2935
2936 } else {
2937 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2938 }
2939
2940 cf::override;
2941 },
2051); 2942);
2052 2943
2053=item $client->async (\&cb) 2944=item $client->async (\&cb)
2054 2945
2055Create a new coroutine, running the specified callback. The coroutine will 2946Create a new coroutine, running the specified callback. The coroutine will
2096our $safe = new Safe "safe"; 2987our $safe = new Safe "safe";
2097our $safe_hole = new Safe::Hole; 2988our $safe_hole = new Safe::Hole;
2098 2989
2099$SIG{FPE} = 'IGNORE'; 2990$SIG{FPE} = 'IGNORE';
2100 2991
2101$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2992$safe->permit_only (Opcode::opset qw(
2993 :base_core :base_mem :base_orig :base_math
2994 grepstart grepwhile mapstart mapwhile
2995 sort time
2996));
2102 2997
2103# here we export the classes and methods available to script code 2998# here we export the classes and methods available to script code
2104 2999
2105=pod 3000=pod
2106 3001
2107The following fucntions and emthods are available within a safe environment: 3002The following functions and methods are available within a safe environment:
2108 3003
2109 cf::object contr pay_amount pay_player map 3004 cf::object
3005 contr pay_amount pay_player map x y force_find force_add destroy
3006 insert remove name archname title slaying race decrease_ob_nr
3007
2110 cf::object::player player 3008 cf::object::player
2111 cf::player peaceful 3009 player
2112 cf::map trigger 3010
3011 cf::player
3012 peaceful
3013
3014 cf::map
3015 trigger
2113 3016
2114=cut 3017=cut
2115 3018
2116for ( 3019for (
2117 ["cf::object" => qw(contr pay_amount pay_player map)], 3020 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3021 insert remove inv name archname title slaying race
3022 decrease_ob_nr destroy)],
2118 ["cf::object::player" => qw(player)], 3023 ["cf::object::player" => qw(player)],
2119 ["cf::player" => qw(peaceful)], 3024 ["cf::player" => qw(peaceful)],
2120 ["cf::map" => qw(trigger)], 3025 ["cf::map" => qw(trigger)],
2121) { 3026) {
2122 no strict 'refs'; 3027 no strict 'refs';
2193=back 3098=back
2194 3099
2195=cut 3100=cut
2196 3101
2197############################################################################# 3102#############################################################################
2198
2199=head2 EXTENSION DATABASE SUPPORT
2200
2201Crossfire maintains a very simple database for extension use. It can
2202currently store anything that can be serialised using Storable, which
2203excludes objects.
2204
2205The parameter C<$family> should best start with the name of the extension
2206using it, it should be unique.
2207
2208=over 4
2209
2210=item $value = cf::db_get $family => $key
2211
2212Returns a single value from the database.
2213
2214=item cf::db_put $family => $key => $value
2215
2216Stores the given C<$value> in the family.
2217
2218=cut
2219
2220our $DB;
2221
2222sub db_init {
2223 unless ($DB) {
2224 $DB = BDB::db_create $DB_ENV;
2225
2226 cf::sync_job {
2227 eval {
2228 $DB->set_flags (BDB::CHKSUM);
2229
2230 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!;
2233 };
2234 cf::cleanup "db_open(db): $@" if $@;
2235 };
2236
2237 my $path = cf::localdir . "/database.pst";
2238 if (stat $path) {
2239 cf::sync_job {
2240 my $pst = Storable::retrieve $path;
2241
2242 cf::db_put (board => data => $pst->{board});
2243 cf::db_put (guildrules => data => $pst->{guildrules});
2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247 unlink $path;
2248 };
2249 }
2250 }
2251}
2252
2253sub db_get($$) {
2254 my $key = "$_[0]/$_[1]";
2255
2256 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data;
2258
2259 $! ? ()
2260 : Compress::LZF::sthaw $data
2261 }
2262}
2263
2264sub db_put($$$) {
2265 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267}
2268
2269#############################################################################
2270# the server's init and main functions 3103# the server's init and main functions
2271 3104
2272sub load_faces { 3105sub load_facedata($) {
2273 my $path = sprintf "%s/faces", cf::datadir; 3106 my ($path) = @_;
2274 3107
3108 # HACK to clear player env face cache, we need some signal framework
3109 # for this (global event?)
3110 %ext::player_env::MUSIC_FACE_CACHE = ();
3111
3112 my $enc = JSON::XS->new->utf8->canonical->relaxed;
3113
2275 warn "loading faces from $path\n"; 3114 warn "loading facedata from $path\n";
2276 3115
2277 my $faces; 3116 my $facedata;
2278 0 < aio_load $path, $faces 3117 0 < aio_load $path, $facedata
2279 or die "$path: $!"; 3118 or die "$path: $!";
2280 3119
2281 Coro::cede;
2282 $faces = Storable::thaw $faces; 3120 $facedata = Coro::Storable::thaw $facedata;
2283 Coro::cede;
2284 3121
3122 $facedata->{version} == 2
3123 or cf::cleanup "$path: version mismatch, cannot proceed.";
3124
3125 # patch in the exptable
3126 $facedata->{resource}{"res/exp_table"} = {
3127 type => FT_RSRC,
3128 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3129 };
3130 cf::cede_to_tick;
3131
3132 {
3133 my $faces = $facedata->{faceinfo};
3134
2285 while (my ($face, $info) = each %$faces) { 3135 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3136 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap}; 3137 cf::face::set_visibility $idx, $info->{visibility};
3138 cf::face::set_magicmap $idx, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32}; 3139 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289 Coro::cede; 3140 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3141
3142 cf::cede_to_tick;
3143 }
3144
3145 while (my ($face, $info) = each %$faces) {
3146 next unless $info->{smooth};
3147 my $idx = cf::face::find $face
3148 or next;
3149 if (my $smooth = cf::face::find $info->{smooth}) {
3150 cf::face::set_smooth $idx, $smooth;
3151 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3152 } else {
3153 warn "smooth face '$info->{smooth}' not found for face '$face'";
3154 }
3155
3156 cf::cede_to_tick;
3157 }
3158 }
3159
3160 {
3161 my $anims = $facedata->{animinfo};
3162
3163 while (my ($anim, $info) = each %$anims) {
3164 cf::anim::set $anim, $info->{frames}, $info->{facings};
3165 cf::cede_to_tick;
3166 }
3167
3168 cf::anim::invalidate_all; # d'oh
3169 }
3170
3171 {
3172 # TODO: for gcfclient pleasure, we should give resources
3173 # that gcfclient doesn't grok a >10000 face index.
3174 my $res = $facedata->{resource};
3175
3176 my $soundconf = delete $res->{"res/sound.conf"};
3177
3178 while (my ($name, $info) = each %$res) {
3179 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3180 my $data;
3181
3182 if ($info->{type} & 1) {
3183 # prepend meta info
3184
3185 my $meta = $enc->encode ({
3186 name => $name,
3187 %{ $info->{meta} || {} },
3188 });
3189
3190 $data = pack "(w/a*)*", $meta, $info->{data};
3191 } else {
3192 $data = $info->{data};
3193 }
3194
3195 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3196 cf::face::set_type $idx, $info->{type};
3197
3198 cf::cede_to_tick;
3199 }
3200
3201 if ($soundconf) {
3202 $soundconf = $enc->decode (delete $soundconf->{data});
3203
3204 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3205 my $sound = $soundconf->{compat}[$_]
3206 or next;
3207
3208 my $face = cf::face::find "sound/$sound->[1]";
3209 cf::sound::set $sound->[0] => $face;
3210 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3211 }
3212
3213 while (my ($k, $v) = each %{$soundconf->{event}}) {
3214 my $face = cf::face::find "sound/$v";
3215 cf::sound::set $k => $face;
3216 }
3217 }
2290 } 3218 }
2291 3219
2292 1 3220 1
2293} 3221}
2294 3222
3223register_exticmd fx_want => sub {
3224 my ($ns, $want) = @_;
3225
3226 while (my ($k, $v) = each %$want) {
3227 $ns->fx_want ($k, $v);
3228 }
3229};
3230
3231sub reload_regions {
3232 # HACK to clear player env face cache, we need some signal framework
3233 # for this (global event?)
3234 %ext::player_env::MUSIC_FACE_CACHE = ();
3235
3236 load_resource_file "$MAPDIR/regions"
3237 or die "unable to load regions file\n";
3238
3239 for (cf::region::list) {
3240 $_->{match} = qr/$_->{match}/
3241 if exists $_->{match};
3242 }
3243}
3244
3245sub reload_facedata {
3246 load_facedata "$DATADIR/facedata"
3247 or die "unable to load facedata\n";
3248}
3249
3250sub reload_archetypes {
3251 load_resource_file "$DATADIR/archetypes"
3252 or die "unable to load archetypes\n";
3253 #d# NEED to laod twice to resolve forward references
3254 # this really needs to be done in an extra post-pass
3255 # (which needs to be synchronous, so solve it differently)
3256 load_resource_file "$DATADIR/archetypes"
3257 or die "unable to load archetypes\n";
3258}
3259
3260sub reload_treasures {
3261 load_resource_file "$DATADIR/treasures"
3262 or die "unable to load treasurelists\n";
3263}
3264
2295sub reload_resources { 3265sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir 3266 warn "reloading resource files...\n";
2297 or die "unable to load regions file\n";#d# 3267
3268 reload_regions;
2298 load_faces 3269 reload_facedata;
2299 or die "unable to load faces\n";#d# 3270 #reload_archetypes;#d#
3271 reload_archetypes;
3272 reload_treasures;
3273
3274 warn "finished reloading resource files\n";
2300} 3275}
2301 3276
2302sub init { 3277sub init {
2303 reload_resources; 3278 reload_resources;
2304} 3279}
2305 3280
2306sub cfg_load { 3281sub reload_config {
2307 open my $fh, "<:utf8", cf::confdir . "/config" 3282 open my $fh, "<:utf8", "$CONFDIR/config"
2308 or return; 3283 or return;
2309 3284
2310 local $/; 3285 local $/;
2311 *CFG = YAML::Syck::Load <$fh>; 3286 *CFG = YAML::Syck::Load <$fh>;
2312 3287
2327sub main { 3302sub main {
2328 # we must not ever block the main coroutine 3303 # we must not ever block the main coroutine
2329 local $Coro::idle = sub { 3304 local $Coro::idle = sub {
2330 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3305 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331 (async { 3306 (async {
3307 $Coro::current->{desc} = "IDLE BUG HANDLER";
2332 Event::one_event; 3308 Event::one_event;
2333 })->prio (Coro::PRIO_MAX); 3309 })->prio (Coro::PRIO_MAX);
2334 }; 3310 };
2335 3311
2336 cfg_load; 3312 reload_config;
2337 db_init; 3313 db_init;
2338 load_extensions; 3314 load_extensions;
2339 3315
2340 $TICK_WATCHER->start; 3316 $TICK_WATCHER->start;
2341 Event::loop; 3317 Event::loop;
2357 }, 3333 },
2358 ); 3334 );
2359 } 3335 }
2360} 3336}
2361 3337
3338sub write_runtime {
3339 my $runtime = "$LOCALDIR/runtime";
3340
3341 # first touch the runtime file to show we are still running:
3342 # the fsync below can take a very very long time.
3343
3344 IO::AIO::aio_utime $runtime, undef, undef;
3345
3346 my $guard = cf::lock_acquire "write_runtime";
3347
3348 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3349 or return;
3350
3351 my $value = $cf::RUNTIME + 90 + 10;
3352 # 10 is the runtime save interval, for a monotonic clock
3353 # 60 allows for the watchdog to kill the server.
3354
3355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3356 and return;
3357
3358 # always fsync - this file is important
3359 aio_fsync $fh
3360 and return;
3361
3362 # touch it again to show we are up-to-date
3363 aio_utime $fh, undef, undef;
3364
3365 close $fh
3366 or return;
3367
3368 aio_rename "$runtime~", $runtime
3369 and return;
3370
3371 warn "runtime file written.\n";
3372
3373 1
3374}
3375
2362sub emergency_save() { 3376sub emergency_save() {
2363 my $freeze_guard = cf::freeze_mainloop; 3377 my $freeze_guard = cf::freeze_mainloop;
2364 3378
2365 warn "enter emergency perl save\n"; 3379 warn "enter emergency perl save\n";
2366 3380
2370 # and maps saved/destroyed asynchronously. 3384 # and maps saved/destroyed asynchronously.
2371 warn "begin emergency player save\n"; 3385 warn "begin emergency player save\n";
2372 for my $login (keys %cf::PLAYER) { 3386 for my $login (keys %cf::PLAYER) {
2373 my $pl = $cf::PLAYER{$login} or next; 3387 my $pl = $cf::PLAYER{$login} or next;
2374 $pl->valid or next; 3388 $pl->valid or next;
3389 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375 $pl->save; 3390 $pl->save;
2376 } 3391 }
2377 warn "end emergency player save\n"; 3392 warn "end emergency player save\n";
2378 3393
2379 warn "begin emergency map save\n"; 3394 warn "begin emergency map save\n";
2397 3412
2398 warn Carp::longmess "post_cleanup backtrace" 3413 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core; 3414 if $make_core;
2400} 3415}
2401 3416
2402sub reload() { 3417sub do_reload_perl() {
2403 # can/must only be called in main 3418 # can/must only be called in main
2404 if ($Coro::current != $Coro::main) { 3419 if ($Coro::current != $Coro::main) {
2405 warn "can only reload from main coroutine"; 3420 warn "can only reload from main coroutine";
2406 return; 3421 return;
2407 } 3422 }
2427 3442
2428 warn "flushing outstanding aio requests"; 3443 warn "flushing outstanding aio requests";
2429 for (;;) { 3444 for (;;) {
2430 BDB::flush; 3445 BDB::flush;
2431 IO::AIO::flush; 3446 IO::AIO::flush;
2432 Coro::cede; 3447 Coro::cede_notself;
2433 last unless IO::AIO::nreqs || BDB::nreqs; 3448 last unless IO::AIO::nreqs || BDB::nreqs;
2434 warn "iterate..."; 3449 warn "iterate...";
2435 } 3450 }
2436 3451
2437 ++$RELOAD; 3452 ++$RELOAD;
2441 %EXT_CORO = (); 3456 %EXT_CORO = ();
2442 3457
2443 warn "removing commands"; 3458 warn "removing commands";
2444 %COMMAND = (); 3459 %COMMAND = ();
2445 3460
2446 warn "removing ext commands"; 3461 warn "removing ext/exti commands";
2447 %EXTCMD = (); 3462 %EXTCMD = ();
3463 %EXTICMD = ();
2448 3464
2449 warn "unloading/nuking all extensions"; 3465 warn "unloading/nuking all extensions";
2450 for my $pkg (@EXTS) { 3466 for my $pkg (@EXTS) {
2451 warn "... unloading $pkg"; 3467 warn "... unloading $pkg";
2452 3468
2482 Symbol::delete_package "safe::$_" 3498 Symbol::delete_package "safe::$_"
2483 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3499 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484 3500
2485 warn "unloading cf.pm \"a bit\""; 3501 warn "unloading cf.pm \"a bit\"";
2486 delete $INC{"cf.pm"}; 3502 delete $INC{"cf.pm"};
3503 delete $INC{"cf/pod.pm"};
2487 3504
2488 # don't, removes xs symbols, too, 3505 # don't, removes xs symbols, too,
2489 # and global variables created in xs 3506 # and global variables created in xs
2490 #Symbol::delete_package __PACKAGE__; 3507 #Symbol::delete_package __PACKAGE__;
2491 3508
2494 warn "reloading cf.pm"; 3511 warn "reloading cf.pm";
2495 require cf; 3512 require cf;
2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3513 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497 3514
2498 warn "loading config and database again"; 3515 warn "loading config and database again";
2499 cf::cfg_load; 3516 cf::reload_config;
2500 3517
2501 warn "loading extensions"; 3518 warn "loading extensions";
2502 cf::load_extensions; 3519 cf::load_extensions;
2503 3520
2504 warn "reattaching attachments to objects/players"; 3521 warn "reattaching attachments to objects/players";
2506 warn "reattaching attachments to maps"; 3523 warn "reattaching attachments to maps";
2507 reattach $_ for values %MAP; 3524 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players"; 3525 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER; 3526 reattach $_ for values %PLAYER;
2510 3527
2511 warn "loading reloadable resources";
2512 reload_resources;
2513
2514 warn "leaving sync_job"; 3528 warn "leaving sync_job";
2515 3529
2516 1 3530 1
2517 } or do { 3531 } or do {
2518 warn $@; 3532 warn $@;
2523 warn "reloaded"; 3537 warn "reloaded";
2524}; 3538};
2525 3539
2526our $RELOAD_WATCHER; # used only during reload 3540our $RELOAD_WATCHER; # used only during reload
2527 3541
3542sub reload_perl() {
3543 # doing reload synchronously and two reloads happen back-to-back,
3544 # coro crashes during coro_state_free->destroy here.
3545
3546 $RELOAD_WATCHER ||= Event->timer (
3547 reentrant => 0,
3548 after => 0,
3549 data => WF_AUTOCANCEL,
3550 cb => sub {
3551 do_reload_perl;
3552 undef $RELOAD_WATCHER;
3553 },
3554 );
3555}
3556
2528register_command "reload" => sub { 3557register_command "reload" => sub {
2529 my ($who, $arg) = @_; 3558 my ($who, $arg) = @_;
2530 3559
2531 if ($who->flag (FLAG_WIZ)) { 3560 if ($who->flag (FLAG_WIZ)) {
2532 $who->message ("reloading server."); 3561 $who->message ("reloading server.");
2533 3562 async {
2534 # doing reload synchronously and two reloads happen back-to-back, 3563 $Coro::current->{desc} = "perl_reload";
2535 # coro crashes during coro_state_free->destroy here.
2536
2537 $RELOAD_WATCHER ||= Event->timer (
2538 reentrant => 0,
2539 after => 0,
2540 data => WF_AUTOCANCEL,
2541 cb => sub {
2542 reload; 3564 reload_perl;
2543 undef $RELOAD_WATCHER;
2544 },
2545 ); 3565 };
2546 } 3566 }
2547}; 3567};
2548 3568
2549unshift @INC, $LIBDIR; 3569unshift @INC, $LIBDIR;
2550 3570
2551my $bug_warning = 0; 3571my $bug_warning = 0;
3572
3573our @WAIT_FOR_TICK;
3574our @WAIT_FOR_TICK_BEGIN;
3575
3576sub wait_for_tick {
3577 return unless $TICK_WATCHER->is_active;
3578 return if $Coro::current == $Coro::main;
3579
3580 my $signal = new Coro::Signal;
3581 push @WAIT_FOR_TICK, $signal;
3582 $signal->wait;
3583}
3584
3585sub wait_for_tick_begin {
3586 return unless $TICK_WATCHER->is_active;
3587 return if $Coro::current == $Coro::main;
3588
3589 my $signal = new Coro::Signal;
3590 push @WAIT_FOR_TICK_BEGIN, $signal;
3591 $signal->wait;
3592}
2552 3593
2553$TICK_WATCHER = Event->timer ( 3594$TICK_WATCHER = Event->timer (
2554 reentrant => 0, 3595 reentrant => 0,
2555 parked => 1, 3596 parked => 1,
2556 prio => 0, 3597 prio => 0,
2561 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3602 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562 unless ++$bug_warning > 10; 3603 unless ++$bug_warning > 10;
2563 return; 3604 return;
2564 } 3605 }
2565 3606
2566 $NOW = Event::time; 3607 $NOW = $tick_start = Event::time;
2567 3608
2568 cf::server_tick; # one server iteration 3609 cf::server_tick; # one server iteration
3610
2569 $RUNTIME += $TICK; 3611 $RUNTIME += $TICK;
2570 $NEXT_TICK += $TICK; 3612 $NEXT_TICK += $TICK;
2571 3613
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3614 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10; 3615 $NEXT_RUNTIME_WRITE = $NOW + 10;
2574 Coro::async_pool { 3616 Coro::async_pool {
3617 $Coro::current->{desc} = "runtime saver";
2575 write_runtime 3618 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!"; 3619 or warn "ERROR: unable to write runtime file: $!";
2577 }; 3620 };
2578 } 3621 }
2579 3622
2580 $WAIT_FOR_TICK->broadcast; 3623 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3624 $sig->send;
3625 }
3626 while (my $sig = shift @WAIT_FOR_TICK) {
3627 $sig->send;
3628 }
2582 3629
2583# my $AFTER = Event::time; 3630 $NOW = Event::time;
2584# warn $AFTER - $NOW;#d#
2585 3631
2586 # if we are delayed by four ticks or more, skip them all 3632 # if we are delayed by four ticks or more, skip them all
2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3633 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588 3634
2589 $TICK_WATCHER->at ($NEXT_TICK); 3635 $TICK_WATCHER->at ($NEXT_TICK);
2590 $TICK_WATCHER->start; 3636 $TICK_WATCHER->start;
3637
3638 $LOAD = ($NOW - $tick_start) / $TICK;
3639 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3640
3641 _post_tick;
2591 }, 3642 },
2592); 3643);
2593 3644
2594{ 3645{
3646 BDB::min_parallel 8;
2595 BDB::max_poll_time $TICK * 0.1; 3647 BDB::max_poll_time $TICK * 0.1;
2596 $BDB_POLL_WATCHER = Event->io ( 3648 $BDB_POLL_WATCHER = Event->io (
2597 reentrant => 0, 3649 reentrant => 0,
2598 fd => BDB::poll_fileno, 3650 fd => BDB::poll_fileno,
2599 poll => 'r', 3651 poll => 'r',
2600 prio => 0, 3652 prio => 0,
2601 data => WF_AUTOCANCEL, 3653 data => WF_AUTOCANCEL,
2602 cb => \&BDB::poll_cb, 3654 cb => \&BDB::poll_cb,
2603 ); 3655 );
2604 BDB::min_parallel 8;
2605 3656
2606 BDB::set_sync_prepare { 3657 BDB::set_sync_prepare {
2607 my $status; 3658 my $status;
2608 my $current = $Coro::current; 3659 my $current = $Coro::current;
2609 ( 3660 (
2618 ) 3669 )
2619 }; 3670 };
2620 3671
2621 unless ($DB_ENV) { 3672 unless ($DB_ENV) {
2622 $DB_ENV = BDB::db_env_create; 3673 $DB_ENV = BDB::db_env_create;
3674 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3675 | BDB::LOG_AUTOREMOVE, 1);
3676 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3677 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623 3678
2624 cf::sync_job { 3679 cf::sync_job {
2625 eval { 3680 eval {
2626 BDB::db_env_open 3681 BDB::db_env_open
2627 $DB_ENV, 3682 $DB_ENV,
2628 $BDB_ENV_DIR, 3683 $BDBDIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3684 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3685 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666; 3686 0666;
2632 3687
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; 3688 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect;
2637 }; 3689 };
2638 3690
2639 cf::cleanup "db_env_open(db): $@" if $@; 3691 cf::cleanup "db_env_open(db): $@" if $@;
2640 }; 3692 };
2641 } 3693 }
3694
3695 $BDB_DEADLOCK_WATCHER = Event->timer (
3696 after => 3,
3697 interval => 1,
3698 hard => 1,
3699 prio => 0,
3700 data => WF_AUTOCANCEL,
3701 cb => sub {
3702 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3703 },
3704 );
3705 $BDB_CHECKPOINT_WATCHER = Event->timer (
3706 after => 11,
3707 interval => 60,
3708 hard => 1,
3709 prio => 0,
3710 data => WF_AUTOCANCEL,
3711 cb => sub {
3712 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3713 },
3714 );
3715 $BDB_TRICKLE_WATCHER = Event->timer (
3716 after => 5,
3717 interval => 10,
3718 hard => 1,
3719 prio => 0,
3720 data => WF_AUTOCANCEL,
3721 cb => sub {
3722 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3723 },
3724 );
2642} 3725}
2643 3726
2644{ 3727{
2645 IO::AIO::min_parallel 8; 3728 IO::AIO::min_parallel 8;
2646 3729
2649 $AIO_POLL_WATCHER = Event->io ( 3732 $AIO_POLL_WATCHER = Event->io (
2650 reentrant => 0, 3733 reentrant => 0,
2651 data => WF_AUTOCANCEL, 3734 data => WF_AUTOCANCEL,
2652 fd => IO::AIO::poll_fileno, 3735 fd => IO::AIO::poll_fileno,
2653 poll => 'r', 3736 poll => 'r',
2654 prio => 6, 3737 prio => 0,
2655 cb => \&IO::AIO::poll_cb, 3738 cb => \&IO::AIO::poll_cb,
2656 ); 3739 );
2657} 3740}
2658 3741
3742my $_log_backtrace;
3743
3744sub _log_backtrace {
3745 my ($msg, @addr) = @_;
3746
3747 $msg =~ s/\n//;
3748
3749 # limit the # of concurrent backtraces
3750 if ($_log_backtrace < 2) {
3751 ++$_log_backtrace;
3752 async {
3753 $Coro::current->{desc} = "abt $msg";
3754
3755 my @bt = fork_call {
3756 @addr = map { sprintf "%x", $_ } @addr;
3757 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3758 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3759 or die "addr2line: $!";
3760
3761 my @funcs;
3762 my @res = <$fh>;
3763 chomp for @res;
3764 while (@res) {
3765 my ($func, $line) = splice @res, 0, 2, ();
3766 push @funcs, "[$func] $line";
3767 }
3768
3769 @funcs
3770 };
3771
3772 LOG llevInfo, "[ABT] $msg\n";
3773 LOG llevInfo, "[ABT] $_\n" for @bt;
3774 --$_log_backtrace;
3775 };
3776 } else {
3777 LOG llevInfo, "[ABT] $msg\n";
3778 LOG llevInfo, "[ABT] [suppressed]\n";
3779 }
3780}
3781
3782# load additional modules
3783use cf::pod;
3784
2659END { cf::emergency_save } 3785END { cf::emergency_save }
2660 3786
26611 37871
2662 3788

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