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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.175 by root, Sun Jan 14 21:20:51 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC

3use utf8; 3use utf8;
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Socket;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
13use Storable ();
12 14
13use Coro 3.4 (); 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 ();
27use BDB ();
20use Data::Dumper; 28use Data::Dumper;
21use Digest::MD5; 29use Digest::MD5;
22use Fcntl; 30use Fcntl;
23use IO::AIO 2.32 ();
24use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.51 ();
25use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF;
35use Digest::MD5 ();
26 36
37# configure various modules to our taste
38#
39$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 43$Event::Eval = 1; # no idea why this is required, but it is
28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 44
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1; 46$YAML::Syck::ImplicitUnicode = 1;
33 47
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 49
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51
36our %COMMAND = (); 52our %COMMAND = ();
37our %COMMAND_TIME = (); 53our %COMMAND_TIME = ();
38 54
39our @EXTS = (); # list of extension package names 55our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 56our %EXTCMD = ();
57our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 58our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 59our %EXT_MAP = (); # pluggable maps
43 60
61our $RELOAD; # number of reloads so far
44our @EVENT; 62our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 63
47our $TICK = MAX_TIME * 1e-6; 64our $CONFDIR = confdir;
65our $DATADIR = datadir;
66our $LIBDIR = "$DATADIR/ext";
67our $PODDIR = "$DATADIR/pod";
68our $MAPDIR = "$DATADIR/" . mapdir;
69our $LOCALDIR = localdir;
70our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db";
75
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48our $TICK_WATCHER; 77our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 78our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 80our $NEXT_TICK;
52our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off
83
84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
88our $DB_ENV;
53 89
54our %CFG; 90our %CFG;
55 91
56our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 93our $RUNTIME;
58 94
59our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random";
63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 98
67# 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 ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 101
102our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103our $LOADAVG; # same thing, but with alpha-smoothing
104our $tick_start; # for load detecting purposes
105
70binmode STDOUT; 106binmode STDOUT;
71binmode STDERR; 107binmode STDERR;
72 108
73# read virtual server time, if available 109# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 110unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 111 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 112 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 113 $RUNTIME = <$fh> + 0.;
78} 114}
79 115
80mkdir cf::localdir; 116mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 117 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 118
86our $EMERGENCY_POSITION; 119our $EMERGENCY_POSITION;
120
121sub cf::map::normalise;
87 122
88############################################################################# 123#############################################################################
89 124
90=head2 GLOBAL VARIABLES 125=head2 GLOBAL VARIABLES
91 126
98=item $cf::RUNTIME 133=item $cf::RUNTIME
99 134
100The 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
101every server tick. 136every server tick.
102 137
103=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
104 141
105The perl library directory, where extensions and cf-specific modules can 142Various directories - "/etc", read-only install directory, perl-library
106be 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.
107 146
108=item $cf::NOW 147=item $cf::NOW
109 148
110The time of the last (current) server tick. 149The time of the last (current) server tick.
111 150
112=item $cf::TICK 151=item $cf::TICK
113 152
114The 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.
115 164
116=item %cf::CFG 165=item %cf::CFG
117 166
118Configuration for the server, loaded from C</etc/crossfire/config>, or 167Configuration for the server, loaded from C</etc/crossfire/config>, or
119from wherever your confdir points to. 168from wherever your confdir points to.
120 169
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 170=item cf::wait_for_tick, cf::wait_for_tick_begin
122 171
123These 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
124or 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
125processing 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.
126window 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.
127 181
128=back 182=back
129 183
130=cut 184=cut
131 185
132BEGIN { 186BEGIN {
133 *CORE::GLOBAL::warn = sub { 187 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 188 my $msg = join "", @_;
135 utf8::encode $msg;
136 189
137 $msg .= "\n" 190 $msg .= "\n"
138 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
192
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139 194
140 LOG llevError, $msg; 195 LOG llevError, $msg;
141 }; 196 };
142} 197}
143 198
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@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';
149@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)
150 206
151# 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
152# within the Safe compartment. 208# within the Safe compartment.
153for my $pkg (qw( 209for my $pkg (qw(
154 cf::global cf::attachable 210 cf::global cf::attachable
162} 218}
163 219
164$Event::DIED = sub { 220$Event::DIED = sub {
165 warn "error in event callback: @_"; 221 warn "error in event callback: @_";
166}; 222};
223
224#############################################################################
167 225
168=head2 UTILITY FUNCTIONS 226=head2 UTILITY FUNCTIONS
169 227
170=over 4 228=over 4
171 229
190 $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;
191 $d 249 $d
192 } || "[unable to dump $_[0]: '$@']"; 250 } || "[unable to dump $_[0]: '$@']";
193} 251}
194 252
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 253=item $ref = cf::from_json $json
198 254
199Converts a JSON string into the corresponding perl data structure. 255Converts a JSON string into the corresponding perl data structure.
200 256
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 257=item $json = cf::to_json $ref
209 258
210Converts a perl data structure into its JSON representation. 259Converts a perl data structure into its JSON representation.
211 260
212=cut 261=cut
213 262
214sub to_json($) { 263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 264
216 JSON::Syck::Dump $_[0] 265sub to_json ($) { $json_coder->encode ($_[0]) }
217} 266sub from_json ($) { $json_coder->decode ($_[0]) }
218 267
219=item cf::lock_wait $string 268=item cf::lock_wait $string
220 269
221Wait until the given lock is available. See cf::lock_acquire. 270Wait until the given lock is available. See cf::lock_acquire.
222 271
225Wait 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
226a 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,
227for example when the coroutine gets canceled), the lock is automatically 276for example when the coroutine gets canceled), the lock is automatically
228returned. 277returned.
229 278
279Locks are *not* recursive, locking from the same coro twice results in a
280deadlocked coro.
281
230Lock 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
231uses map_find and cf::map::load uses map_load). 283uses map_find and cf::map::load uses map_load).
232 284
285=item $locked = cf::lock_active $string
286
287Return true if the lock is currently active, i.e. somebody has locked it.
288
233=cut 289=cut
234 290
235our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
236 293
237sub lock_wait($) { 294sub lock_wait($) {
238 my ($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#
239 301
240 # wait for lock, if any 302 # wait for lock, if any
241 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 305 Coro::schedule;
249 311
250 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
251 lock_wait $key; 313 lock_wait $key;
252 314
253 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
254 317
255 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
258 } 322 }
259} 323}
260 324
325sub lock_active($) {
326 my ($key) = @_;
327
328 ! ! $LOCK{$key}
329}
330
261sub freeze_mainloop { 331sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 332 return unless $TICK_WATCHER->is_active;
263 333
264 my $guard = Coro::guard { 334 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 335 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 336 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 337 $TICK_WATCHER->stop;
270 $guard 338 $guard
339}
340
341=item cf::get_slot $time[, $priority[, $name]]
342
343Allocate $time seconds of blocking CPU time at priority C<$priority>:
344This call blocks and returns only when you have at least C<$time> seconds
345of cpu time till the next tick. The slot is only valid till the next cede.
346
347The optional C<$name> can be used to identify the job to run. It might be
348used for statistical purposes and should identify the same time-class.
349
350Useful for short background jobs.
351
352=cut
353
354our @SLOT_QUEUE;
355our $SLOT_QUEUE;
356
357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358$SLOT_QUEUE = Coro::async {
359 $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;
271} 397}
272 398
273=item cf::async { BLOCK } 399=item cf::async { BLOCK }
274 400
275Currently the same as Coro::async_pool, meaning you cannot use 401Currently the same as Coro::async_pool, meaning you cannot use
280 406
281BEGIN { *async = \&Coro::async_pool } 407BEGIN { *async = \&Coro::async_pool }
282 408
283=item cf::sync_job { BLOCK } 409=item cf::sync_job { BLOCK }
284 410
285The design of crossfire+ requires that the main coro ($Coro::main) is 411The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 412is always able to handle events or runnable, as Crossfire TRT is only
287reentrant. 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.
288 415
289If 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
290the given BLOCK in another coroutine while waiting for the result. The 417the given BLOCK in another coroutine while waiting for the result. The
291server 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
292fast or be very important. 419fast or be very important.
295 422
296sub sync_job(&) { 423sub sync_job(&) {
297 my ($job) = @_; 424 my ($job) = @_;
298 425
299 if ($Coro::current == $Coro::main) { 426 if ($Coro::current == $Coro::main) {
427 my $time = Event::time;
428
300 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
302 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
303 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
304 # (but this is cancel-safe) 435 # (but this is cancel-safe)
305 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
306 437
307 my $busy = 1; 438 my $busy = 1;
308 my @res; 439 my @res;
309 440
310 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 443 @res = eval { $job->() };
312 warn $@ if $@; 444 warn $@ if $@;
313 undef $busy; 445 undef $busy;
314 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
315 447
316 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
317 Coro::cede or Event::one_event; 452 Event::one_event;
318 } 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
319 462
320 wantarray ? @res : $res[0] 463 wantarray ? @res : $res[0]
321 } else { 464 } else {
322 # we are in another coroutine, how wonderful, everything just works 465 # we are in another coroutine, how wonderful, everything just works
323 466
343 $EXT_CORO{$coro+0} = $coro; 486 $EXT_CORO{$coro+0} = $coro;
344 487
345 $coro 488 $coro
346} 489}
347 490
348sub write_runtime { 491=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 492
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 493Executes the given code block with the given arguments in a seperate
352 or return; 494process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling.
353 497
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 498=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 499
358 aio_fsync $fh 500sub fork_call(&@) {
359 and return; 501 my ($cb, @args) = @_;
360 502
361 close $fh 503 # we seemingly have to make a local copy of the whole thing,
362 or return; 504 # otherwise perl prematurely frees the stuff :/
505 # TODO: investigate and fix (likely this will be rather laborious)
363 506
364 aio_rename "$runtime~", $runtime 507 my @res = Coro::Util::fork_eval {
365 and return; 508 reset_signals;
509 &$cb
510 }, @args;
366 511
512 wantarray ? @res : $res[-1]
513}
514
515=item $value = cf::db_get $family => $key
516
517Returns a single value from the environment database.
518
519=item cf::db_put $family => $key => $value
520
521Stores the given C<$value> in the family. It can currently store binary
522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
547
548our $DB;
549
550sub db_init {
551 cf::sync_job {
552 $DB ||= db_table "db";
553 };
554}
555
556sub db_get($$) {
557 my $key = "$_[0]/$_[1]";
558
559 cf::sync_job {
560 BDB::db_get $DB, undef, $key, my $data;
561
562 $! ? ()
563 : $data
367 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 });
368} 651}
369 652
370=back 653=back
371 654
372=cut 655=cut
379attach callbacks/event handlers (a collection of which is called an "attachment") 662attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 663to it. All such attachable objects support the following methods.
381 664
382In 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>
383C<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
384crossfire+). 667Crossfire TRT).
385 668
386=over 4 669=over 4
387 670
388=item $attachable->attach ($attachment, key => $value...) 671=item $attachable->attach ($attachment, key => $value...)
389 672
552 $registry = $CB_TYPE[$object_type] ||= []; 835 $registry = $CB_TYPE[$object_type] ||= [];
553 836
554 } elsif ($type eq "subtype") { 837 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 838 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 839 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 840 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 841
559 } elsif ($type eq "package") { 842 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 843 my $pkg = shift @arg;
561 844
562 while (my ($name, $id) = each %cb_id) { 845 while (my ($name, $id) = each %cb_id) {
591 _attach $registry, $klass, @attach; 874 _attach $registry, $klass, @attach;
592 } 875 }
593 876
594 $obj->{$name} = \%arg; 877 $obj->{$name} = \%arg;
595 } else { 878 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 879 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 880 }
598 881
599 $obj->{_attachment}{$name} = undef; 882 $obj->{_attachment}{$name} = undef;
600} 883}
601 884
603 if (ref $_[0]) { 886 if (ref $_[0]) {
604 _object_attach @_; 887 _object_attach @_;
605 } else { 888 } else {
606 _attach shift->_attach_registry, @_; 889 _attach shift->_attach_registry, @_;
607 } 890 }
891 _recalc_want;
608}; 892};
609 893
610# all those should be optimised 894# all those should be optimised
611sub cf::attachable::detach { 895sub cf::attachable::detach {
612 my ($obj, $name) = @_; 896 my ($obj, $name) = @_;
615 delete $obj->{_attachment}{$name}; 899 delete $obj->{_attachment}{$name};
616 reattach ($obj); 900 reattach ($obj);
617 } else { 901 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 902 Carp::croak "cannot, currently, detach class attachments";
619 } 903 }
904 _recalc_want;
620}; 905};
621 906
622sub cf::attachable::attached { 907sub cf::attachable::attached {
623 my ($obj, $name) = @_; 908 my ($obj, $name) = @_;
624 909
639 "; 924 ";
640 die if $@; 925 die if $@;
641} 926}
642 927
643our $override; 928our $override;
644our @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?
645 930
646sub override { 931sub override {
647 $override = 1; 932 $override = 1;
648 @invoke_results = (); 933 @INVOKE_RESULTS = (@_);
649} 934}
650 935
651sub do_invoke { 936sub do_invoke {
652 my $event = shift; 937 my $event = shift;
653 my $callbacks = shift; 938 my $callbacks = shift;
654 939
655 @invoke_results = (); 940 @INVOKE_RESULTS = ();
656 941
657 local $override; 942 local $override;
658 943
659 for (@$callbacks) { 944 for (@$callbacks) {
660 eval { &{$_->[1]} }; 945 eval { &{$_->[1]} };
677 962
678Generate an object-specific event with the given arguments. 963Generate an object-specific event with the given arguments.
679 964
680This 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
681removed 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
682results (if you must, access C<@cf::invoke_results> directly). 967results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 968
684=back 969=back
685 970
686=cut 971=cut
687 972
688############################################################################# 973#############################################################################
689# object support 974# object support
975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
1009sub _can_merge {
1010 my ($ob1, $ob2) = @_;
1011
1012 ++$SLOW_MERGES;#d#
1013
1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
1016}
690 1017
691sub reattach { 1018sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1020 my ($obj) = @_;
694 1021
741sub object_freezer_save { 1068sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
743 1070
744 sync_job { 1071 sync_job {
745 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
748 1076
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752 aio_fsync $fh; 1080 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 1081 close $fh;
754 1082
755 if (@$objs) { 1083 if (@$objs) {
756 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) {
757 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
760 aio_fsync $fh; 1088 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 1089 close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
763 } 1091 }
764 } else { 1092 } else {
765 aio_unlink "$filename.pst"; 1093 aio_unlink "$filename.pst";
771 } 1099 }
772 } else { 1100 } else {
773 aio_unlink $filename; 1101 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
775 } 1103 }
776 } 1104 };
777} 1105}
778 1106
779sub object_freezer_as_string { 1107sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
781 1109
793 or return; 1121 or return;
794 1122
795 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
797 or return; 1125 or return;
1126
798 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
799 } 1129 }
800 1130
1131 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1133 $decname, length $data, scalar @{$av || []};
1134
803 return ($data, $av); 1135 ($data, $av)
804} 1136}
1137
1138=head2 COMMAND CALLBACKS
1139
1140=over 4
1141
1142=cut
805 1143
806############################################################################# 1144#############################################################################
807# command handling &c 1145# command handling &c
808 1146
809=item cf::register_command $name => \&callback($ob,$args); 1147=item cf::register_command $name => \&callback($ob,$args);
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1160 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1161}
824 1162
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1163=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1164
827Register 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.
828 1170
829If 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
830called. 1172called.
831 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
832=cut 1185=cut
833 1186
834sub register_extcmd { 1187sub register_extcmd {
835 my ($name, $cb) = @_; 1188 my ($name, $cb) = @_;
836 1189
837 $EXTCMD{$name} = $cb; 1190 $EXTCMD{$name} = $cb;
1191}
1192
1193sub register_exticmd {
1194 my ($name, $cb) = @_;
1195
1196 $EXTICMD{$name} = $cb;
838} 1197}
839 1198
840cf::player->attach ( 1199cf::player->attach (
841 on_command => sub { 1200 on_command => sub {
842 my ($pl, $name, $params) = @_; 1201 my ($pl, $name, $params) = @_;
851 cf::override; 1210 cf::override;
852 }, 1211 },
853 on_extcmd => sub { 1212 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1213 my ($pl, $buf) = @_;
855 1214
856 my $msg = eval { from_json $buf }; 1215 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1216
858 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
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1225 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1226 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1227 }
1228
1229 $pl->ext_reply ($reply, @reply)
1230 if $reply;
1231
864 } else { 1232 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1233 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1234 }
867 1235
868 cf::override; 1236 cf::override;
869 }, 1237 },
870); 1238);
871 1239
872sub load_extension {
873 my ($path) = @_;
874
875 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
876 my $base = $1;
877 my $pkg = $1;
878 $pkg =~ s/[^[:word:]]/_/g;
879 $pkg = "ext::$pkg";
880
881 warn "... loading '$path' into '$pkg'\n";
882
883 open my $fh, "<:utf8", $path
884 or die "$path: $!";
885
886 my $source =
887 "package $pkg; use strict; use utf8;\n"
888 . "#line 1 \"$path\"\n{\n"
889 . (do { local $/; <$fh> })
890 . "\n};\n1";
891
892 unless (eval $source) {
893 my $msg = $@ ? "$path: $@\n"
894 : "extension disabled.\n";
895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896 warn $@;
897 warn "mandatory extension failed to load, exiting.\n";
898 exit 1;
899 }
900 die $@;
901 }
902
903 push @EXTS, $pkg;
904}
905
906sub load_extensions { 1240sub load_extensions {
1241 cf::sync_job {
1242 my %todo;
1243
907 for my $ext (<$LIBDIR/*.ext>) { 1244 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1245 next unless -r $path;
909 eval { 1246
910 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;
911 1 1304 }
912 } or warn "$ext not loaded: $@"; 1305
1306 skip:
1307 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1308 unless $progress;
1309 }
913 } 1310 };
914} 1311}
915 1312
916############################################################################# 1313#############################################################################
917 1314
1315=back
1316
918=head2 CORE EXTENSIONS 1317=head2 CORE EXTENSIONS
919 1318
920Functions and methods that extend core crossfire objects. 1319Functions and methods that extend core crossfire objects.
921 1320
922=cut 1321=cut
927 1326
928=head3 cf::player 1327=head3 cf::player
929 1328
930=over 4 1329=over 4
931 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
932=item cf::player::find $login 1345=item cf::player::find $login
933 1346
934Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
935 1348
936=cut 1349=cut
937 1350
938sub playerdir($) { 1351sub playerdir($) {
939 cf::localdir 1352 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1353 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1354}
945 1355
946sub path($) { 1356sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1357 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1358
949 (playerdir $login) . "/$login.pl" 1359 (playerdir $login) . "/playerdata"
950} 1360}
951 1361
952sub find_active($) { 1362sub find_active($) {
953 $cf::PLAYER{$_[0]} 1363 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1364 and $cf::PLAYER{$_[0]}->active
957 1367
958sub exists($) { 1368sub exists($) {
959 my ($login) = @_; 1369 my ($login) = @_;
960 1370
961 $cf::PLAYER{$login} 1371 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 1372 or cf::sync_job { !aio_stat path $login }
963} 1373}
964 1374
965sub find($) { 1375sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 1376 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 1377 my $login = $_[0];
968 1378
969 my $guard = cf::lock_acquire "user_find:$login"; 1379 my $guard = cf::lock_acquire "user_find:$login";
970 1380
971 $cf::PLAYER{$_[0]} || do { 1381 $cf::PLAYER{$_[0]} || do {
972 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
973 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;
974 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
975 } 1397 }
976 } 1398 }
977} 1399}
978 1400
988 1410
989 aio_mkdir playerdir $pl, 0770; 1411 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1412 $pl->{last_save} = $cf::RUNTIME;
991 1413
992 $pl->save_pl ($path); 1414 $pl->save_pl ($path);
993 Coro::cede; 1415 cf::cede_to_tick;
994} 1416}
995 1417
996sub new($) { 1418sub new($) {
997 my ($login) = @_; 1419 my ($login) = @_;
998 1420
1004 $cf::PLAYER{$login} = $self; 1426 $cf::PLAYER{$login} = $self;
1005 1427
1006 $self 1428 $self
1007} 1429}
1008 1430
1431=item $player->send_msg ($channel, $msg, $color, [extra...])
1432
1433=cut
1434
1435sub send_msg {
1436 my $ns = shift->ns
1437 or return;
1438 $ns->send_msg (@_);
1439}
1440
1009=item $pl->quit_character 1441=item $pl->quit_character
1010 1442
1011Nukes the player without looking back. If logged in, the connection will 1443Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1444be destroyed. May block for a long time.
1013 1445
1014=cut 1446=cut
1015 1447
1016sub quit_character { 1448sub quit_character {
1017 my ($pl) = @_; 1449 my ($pl) = @_;
1450
1451 my $name = $pl->ob->name;
1018 1452
1019 $pl->{deny_save} = 1; 1453 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1454 $pl->password ("*"); # this should lock out the player until we nuked the dir
1021 1455
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1456 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1027 my $path = playerdir $pl; 1461 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1462 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1463 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1464 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1465 $pl->destroy;
1466
1467 my $prefix = qr<^~\Q$name\E/>;
1468
1469 # nuke player maps
1470 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1471
1032 IO::AIO::aio_rmtree $temp; 1472 IO::AIO::aio_rmtree $temp;
1473}
1474
1475=item $pl->kick
1476
1477Kicks a player out of the game. This destroys the connection.
1478
1479=cut
1480
1481sub kick {
1482 my ($pl, $kicker) = @_;
1483
1484 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1485 $pl->killer ("kicked");
1486 $pl->ns->destroy;
1033} 1487}
1034 1488
1035=item cf::player::list_logins 1489=item cf::player::list_logins
1036 1490
1037Returns am arrayref of all valid playernames in the system, can take a 1491Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1492while and may block, so not sync_job-capable, ever.
1039 1493
1040=cut 1494=cut
1041 1495
1042sub list_logins { 1496sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1497 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1498 or return [];
1045 1499
1046 my @logins; 1500 my @logins;
1047 1501
1048 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") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1507 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1508 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1509 $buf !~ /^password -------------$/m or next; # official not-valid tag
1510 }
1052 1511
1053 utf8::decode $login; 1512 utf8::decode $login;
1054 push @logins, $login; 1513 push @logins, $login;
1055 } 1514 }
1056 1515
1064 1523
1065=cut 1524=cut
1066 1525
1067sub maps($) { 1526sub maps($) {
1068 my ($pl) = @_; 1527 my ($pl) = @_;
1528
1529 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1530
1070 my $files = aio_readdir playerdir $pl 1531 my $files = aio_readdir playerdir $pl
1071 or return; 1532 or return;
1072 1533
1073 my @paths; 1534 my @paths;
1075 for (@$files) { 1536 for (@$files) {
1076 utf8::decode $_; 1537 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1538 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1539 next unless /^$PATH_SEP/o;
1079 1540
1080 s/\.map$//; 1541 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1542 }
1083 1543
1084 \@paths 1544 \@paths
1085} 1545}
1086 1546
1547=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1548
1549Expand crossfire pod fragments into protocol xml.
1550
1551=cut
1552
1553sub expand_cfpod {
1554 ((my $self), (local $_)) = @_;
1555
1556 # escape & and <
1557 s/&/&amp;/g;
1558 s/(?<![BIUGHT])</&lt;/g;
1559
1560 # this is buggy, it needs to properly take care of nested <'s
1561
1562 1 while
1563 # replace B<>, I<>, U<> etc.
1564 s/B<([^\>]*)>/<b>$1<\/b>/
1565 || s/I<([^\>]*)>/<i>$1<\/i>/
1566 || s/U<([^\>]*)>/<u>$1<\/u>/
1567 || s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568 # replace G<male|female> tags
1569 || s{G<([^>|]*)\|([^>]*)>}{
1570 $self->gender ? $2 : $1
1571 }ge
1572 # replace H<hint text>
1573 || s{H<([^\>]*)>}
1574 {
1575 ("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577 "")
1578 [$self->{hintmode}]
1579 }ge;
1580
1581 # create single paragraphs (very hackish)
1582 s/(?<=\S)\n(?=\w)/ /g;
1583
1584 # compress some whitespace
1585 s/\s+\n/\n/g; # ws line-ends
1586 s/\n\n+/\n/g; # double lines
1587 s/^\n+//; # beginning lines
1588 s/\n+$//; # ending lines
1589
1590 $_
1591}
1592
1593sub hintmode {
1594 $_[0]{hintmode} = $_[1] if @_ > 1;
1595 $_[0]{hintmode}
1596}
1597
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1598=item $player->ext_reply ($msgid, @msg)
1088 1599
1089Sends an ext reply to the player. 1600Sends an ext reply to the player.
1090 1601
1091=cut 1602=cut
1092 1603
1093sub ext_reply($$$%) { 1604sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1605 my ($self, $id, @msg) = @_;
1095 1606
1096 $msg{msgid} = $id; 1607 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1608}
1100 1609
1101package cf; 1610=item $player->ext_msg ($type, @msg)
1611
1612Sends an ext event to the client.
1613
1614=cut
1615
1616sub ext_msg($$@) {
1617 my ($self, $type, @msg) = @_;
1618
1619 $self->ns->ext_msg ($type, @msg);
1620}
1621
1622=head3 cf::region
1623
1624=over 4
1625
1626=cut
1627
1628package cf::region;
1629
1630=item cf::region::find_by_path $path
1631
1632Tries to decuce the likely region for a map knowing only its path.
1633
1634=cut
1635
1636sub find_by_path($) {
1637 my ($path) = @_;
1638
1639 my ($match, $specificity);
1640
1641 for my $region (list) {
1642 if ($region->{match} && $path =~ $region->{match}) {
1643 ($match, $specificity) = ($region, $region->specificity)
1644 if $region->specificity > $specificity;
1645 }
1646 }
1647
1648 $match
1649}
1102 1650
1103=back 1651=back
1104
1105 1652
1106=head3 cf::map 1653=head3 cf::map
1107 1654
1108=over 4 1655=over 4
1109 1656
1121our $MAX_RESET = 3600; 1668our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1669our $DEFAULT_RESET = 3000;
1123 1670
1124sub generate_random_map { 1671sub generate_random_map {
1125 my ($self, $rmp) = @_; 1672 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1673 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1674 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1675 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1676 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1677 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1684 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1685 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1686 )
1141} 1687}
1142 1688
1689=item cf::map->register ($regex, $prio)
1690
1691Register a handler for the map path matching the given regex at the
1692givne priority (higher is better, built-in handlers have priority 0, the
1693default).
1694
1695=cut
1696
1143sub register { 1697sub register {
1144 my (undef, $regex) = @_; 1698 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1699 my $pkg = caller;
1146 1700
1147 no strict; 1701 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1702 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1703
1150 $EXT_MAP{$pkg} = qr<$regex>; 1704 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1705}
1152 1706
1153# also paths starting with '/' 1707# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1708$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155 1709
1156sub thawer_merge { 1710sub thawer_merge {
1157 my ($self, $merge) = @_; 1711 my ($self, $merge) = @_;
1158 1712
1159 # we have to keep some variables in memory intact 1713 # we have to keep some variables in memory intact
1160 local $self->{path}; 1714 local $self->{path};
1161 local $self->{load_path}; 1715 local $self->{load_path};
1162 local $self->{deny_save};
1163 local $self->{deny_reset};
1164 1716
1165 $self->SUPER::thawer_merge ($merge); 1717 $self->SUPER::thawer_merge ($merge);
1166} 1718}
1167 1719
1168sub normalise { 1720sub normalise {
1169 my ($path, $base) = @_; 1721 my ($path, $base) = @_;
1722
1723 $path = "$path"; # make sure its a string
1724
1725 $path =~ s/\.map$//;
1170 1726
1171 # map plan: 1727 # map plan:
1172 # 1728 #
1173 # /! non-realised random map exit (special hack!) 1729 # /! non-realised random map exit (special hack!)
1174 # {... are special paths that are not being touched 1730 # {... are special paths that are not being touched
1202 1758
1203 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1759 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204 1760
1205 $path = normalise $path, $base; 1761 $path = normalise $path, $base;
1206 1762
1207 for my $pkg (keys %EXT_MAP) { 1763 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208 if ($path =~ $EXT_MAP{$pkg}) { 1764 if ($path =~ $EXT_MAP{$pkg}[1]) {
1209 my $self = bless cf::map::new, $pkg; 1765 my $self = bless cf::map::new, $pkg;
1210 $self->{path} = $path; $self->path ($path); 1766 $self->{path} = $path; $self->path ($path);
1211 $self->init; # pass $1 etc. 1767 $self->init; # pass $1 etc.
1212 return $self; 1768 return $self;
1213 } 1769 }
1214 } 1770 }
1215 1771
1216 Carp::carp "unable to resolve path '$path'."; 1772 Carp::cluck "unable to resolve path '$path' (base '$base').";
1217 () 1773 ()
1218} 1774}
1219 1775
1220sub init { 1776sub init {
1221 my ($self) = @_; 1777 my ($self) = @_;
1236 1792
1237# the original (read-only) location 1793# the original (read-only) location
1238sub load_path { 1794sub load_path {
1239 my ($self) = @_; 1795 my ($self) = @_;
1240 1796
1241 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1797 "$MAPDIR/$self->{path}.map"
1242} 1798}
1243 1799
1244# the temporary/swap location 1800# the temporary/swap location
1245sub save_path { 1801sub save_path {
1246 my ($self) = @_; 1802 my ($self) = @_;
1247 1803
1248 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1804 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1805 "$TMPDIR/$path.map"
1250} 1806}
1251 1807
1252# the unique path, undef == no special unique path 1808# the unique path, undef == no special unique path
1253sub uniq_path { 1809sub uniq_path {
1254 my ($self) = @_; 1810 my ($self) = @_;
1255 1811
1256 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1812 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1813 "$UNIQUEDIR/$path"
1258} 1814}
1259 1815
1260# and all this just because we cannot iterate over 1816# and all this just because we cannot iterate over
1261# all maps in C++... 1817# all maps in C++...
1262sub change_all_map_light { 1818sub change_all_map_light {
1264 1820
1265 $_->change_map_light ($change) 1821 $_->change_map_light ($change)
1266 for grep $_->outdoor, values %cf::MAP; 1822 for grep $_->outdoor, values %cf::MAP;
1267} 1823}
1268 1824
1825sub decay_objects {
1826 my ($self) = @_;
1827
1828 return if $self->{deny_reset};
1829
1830 $self->do_decay_objects;
1831}
1832
1269sub unlink_save { 1833sub unlink_save {
1270 my ($self) = @_; 1834 my ($self) = @_;
1271 1835
1272 utf8::encode (my $save = $self->save_path); 1836 utf8::encode (my $save = $self->save_path);
1273 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1837 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1276 1840
1277sub load_header_from($) { 1841sub load_header_from($) {
1278 my ($self, $path) = @_; 1842 my ($self, $path) = @_;
1279 1843
1280 utf8::encode $path; 1844 utf8::encode $path;
1281 aio_open $path, O_RDONLY, 0 1845 my $f = new_from_file cf::object::thawer $path
1282 or return; 1846 or return;
1283 1847
1284 $self->_load_header ($path) 1848 $self->_load_header ($f)
1285 or return; 1849 or return;
1286 1850
1851 local $MAP_LOADING{$self->{path}} = $self;
1852 $f->resolve_delayed_derefs;
1853
1287 $self->{load_path} = $path; 1854 $self->{load_path} = $path;
1288 1855
1289 1 1856 1
1290} 1857}
1291 1858
1292sub load_orig { 1859sub load_header_orig {
1293 my ($self) = @_; 1860 my ($self) = @_;
1294 1861
1295 $self->load_header_from ($self->load_path) 1862 $self->load_header_from ($self->load_path)
1296} 1863}
1297 1864
1298sub load_temp { 1865sub load_header_temp {
1299 my ($self) = @_; 1866 my ($self) = @_;
1300 1867
1301 $self->load_header_from ($self->save_path) 1868 $self->load_header_from ($self->save_path)
1869}
1870
1871sub prepare_temp {
1872 my ($self) = @_;
1873
1874 $self->last_access ((delete $self->{last_access})
1875 || $cf::RUNTIME); #d#
1876 # safety
1877 $self->{instantiate_time} = $cf::RUNTIME
1878 if $self->{instantiate_time} > $cf::RUNTIME;
1879}
1880
1881sub prepare_orig {
1882 my ($self) = @_;
1883
1884 $self->{load_original} = 1;
1885 $self->{instantiate_time} = $cf::RUNTIME;
1886 $self->last_access ($cf::RUNTIME);
1887 $self->instantiate;
1302} 1888}
1303 1889
1304sub load_header { 1890sub load_header {
1305 my ($self) = @_; 1891 my ($self) = @_;
1306 1892
1307 if ($self->load_temp) { 1893 if ($self->load_header_temp) {
1308 $self->last_access ((delete $self->{last_access}) 1894 $self->prepare_temp;
1309 || $cf::RUNTIME); #d#
1310 # safety
1311 $self->{instantiate_time} = $cf::RUNTIME
1312 if $self->{instantiate_time} > $cf::RUNTIME;
1313 } else { 1895 } else {
1314 $self->load_orig 1896 $self->load_header_orig
1315 or return; 1897 or return;
1316 1898 $self->prepare_orig;
1317 $self->{load_original} = 1;
1318 $self->{instantiate_time} = $cf::RUNTIME;
1319 $self->last_access ($cf::RUNTIME);
1320 $self->instantiate;
1321 } 1899 }
1900
1901 $self->{deny_reset} = 1
1902 if $self->no_reset;
1903
1904 $self->default_region (cf::region::find_by_path $self->{path})
1905 unless $self->default_region;
1322 1906
1323 1 1907 1
1324} 1908}
1325 1909
1326sub find; 1910sub find;
1327sub find { 1911sub find {
1328 my ($path, $origin) = @_; 1912 my ($path, $origin) = @_;
1329 1913
1330 $path = normalise $path, $origin && $origin->path; 1914 $path = normalise $path, $origin && $origin->path;
1331 1915
1916 cf::lock_wait "map_data:$path";#d#remove
1332 cf::lock_wait "map_find:$path"; 1917 cf::lock_wait "map_find:$path";
1333 1918
1334 $cf::MAP{$path} || do { 1919 $cf::MAP{$path} || do {
1335 my $guard = cf::lock_acquire "map_find:$path"; 1920 my $guard1 = cf::lock_acquire "map_find:$path";
1921 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1336 my $map = new_from_path cf::map $path 1923 my $map = new_from_path cf::map $path
1337 or return; 1924 or return;
1338 1925
1339 $map->{last_save} = $cf::RUNTIME; 1926 $map->{last_save} = $cf::RUNTIME;
1340 1927
1341 $map->load_header 1928 $map->load_header
1342 or return; 1929 or return;
1343 1930
1344 if ($map->should_reset) { 1931 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932 # doing this can freeze the server in a sync job, obviously
1345 $cf::WAIT_FOR_TICK->wait; 1933 #$cf::WAIT_FOR_TICK->wait;
1934 undef $guard1;
1935 undef $guard2;
1346 $map->reset; 1936 $map->reset;
1347 undef $guard;
1348 $map = find $path 1937 return find $path;
1349 or return;
1350 } 1938 }
1351 1939
1352 $cf::MAP{$path} = $map 1940 $cf::MAP{$path} = $map
1353 } 1941 }
1354} 1942}
1943
1944sub pre_load { }
1945sub post_load { }
1355 1946
1356sub load { 1947sub load {
1357 my ($self) = @_; 1948 my ($self) = @_;
1358 1949
1950 local $self->{deny_reset} = 1; # loading can take a long time
1951
1359 my $path = $self->{path}; 1952 my $path = $self->{path};
1953
1954 {
1360 my $guard = cf::lock_acquire "map_load:$path"; 1955 my $guard = cf::lock_acquire "map_data:$path";
1361 1956
1957 return unless $self->valid;
1362 return if $self->in_memory != cf::MAP_SWAPPED; 1958 return unless $self->in_memory == cf::MAP_SWAPPED;
1363 1959
1364 $self->in_memory (cf::MAP_LOADING); 1960 $self->in_memory (cf::MAP_LOADING);
1365 1961
1366 $self->alloc; 1962 $self->alloc;
1367 $self->_load_objects ($self->{load_path}, 1) 1963
1964 $self->pre_load;
1965 cf::cede_to_tick;
1966
1967 my $f = new_from_file cf::object::thawer $self->{load_path};
1968 $f->skip_block;
1969 $self->_load_objects ($f)
1368 or return; 1970 or return;
1369 1971
1370 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1972 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371 if delete $self->{load_original}; 1973 if delete $self->{load_original};
1372 1974
1373 if (my $uniq = $self->uniq_path) { 1975 if (my $uniq = $self->uniq_path) {
1374 utf8::encode $uniq; 1976 utf8::encode $uniq;
1375 if (aio_open $uniq, O_RDONLY, 0) { 1977 unless (aio_stat $uniq) {
1978 if (my $f = new_from_file cf::object::thawer $uniq) {
1376 $self->clear_unique_items; 1979 $self->clear_unique_items;
1377 $self->_load_objects ($uniq, 0); 1980 $self->_load_objects ($f);
1981 $f->resolve_delayed_derefs;
1982 }
1378 } 1983 }
1379 } 1984 }
1380 1985
1381 Coro::cede; 1986 $f->resolve_delayed_derefs;
1382 1987
1988 cf::cede_to_tick;
1383 # now do the right thing for maps 1989 # now do the right thing for maps
1384 $self->link_multipart_objects; 1990 $self->link_multipart_objects;
1385
1386 unless ($self->{deny_activate}) {
1387 $self->decay_objects;
1388 $self->fix_auto_apply;
1389 $self->update_buttons;
1390 Coro::cede;
1391 $self->set_darkness_map;
1392 $self->difficulty ($self->estimate_difficulty) 1991 $self->difficulty ($self->estimate_difficulty)
1393 unless $self->difficulty; 1992 unless $self->difficulty;
1394 Coro::cede; 1993 cf::cede_to_tick;
1994
1995 unless ($self->{deny_activate}) {
1996 $self->decay_objects;
1997 $self->fix_auto_apply;
1998 $self->update_buttons;
1999 cf::cede_to_tick;
2000 $self->set_darkness_map;
2001 cf::cede_to_tick;
1395 $self->activate; 2002 $self->activate;
1396 } 2003 }
1397 2004
2005 $self->{last_save} = $cf::RUNTIME;
2006 $self->last_access ($cf::RUNTIME);
2007
1398 $self->in_memory (cf::MAP_IN_MEMORY); 2008 $self->in_memory (cf::MAP_IN_MEMORY);
2009 }
2010
2011 $self->post_load;
1399} 2012}
1400 2013
1401sub customise_for { 2014sub customise_for {
1402 my ($self, $ob) = @_; 2015 my ($self, $ob) = @_;
1403 2016
1404 return find "~" . $ob->name . "/" . $self->{path} 2017 return find "~" . $ob->name . "/" . $self->{path}
1405 if $self->per_player; 2018 if $self->per_player;
1406 2019
2020# return find "?party/" . $ob->name . "/" . $self->{path}
2021# if $self->per_party;
2022
1407 $self 2023 $self
1408} 2024}
1409 2025
1410# find and load all maps in the 3x3 area around a map 2026# find and load all maps in the 3x3 area around a map
1411sub load_diag { 2027sub load_neighbours {
1412 my ($map) = @_; 2028 my ($map) = @_;
1413 2029
1414 my @diag; # diagonal neighbours 2030 my @neigh; # diagonal neighbours
1415 2031
1416 for (0 .. 3) { 2032 for (0 .. 3) {
1417 my $neigh = $map->tile_path ($_) 2033 my $neigh = $map->tile_path ($_)
1418 or next; 2034 or next;
1419 $neigh = find $neigh, $map 2035 $neigh = find $neigh, $map
1420 or next; 2036 or next;
1421 $neigh->load; 2037 $neigh->load;
1422 2038
2039 push @neigh,
1423 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2040 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1424 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2041 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1425 } 2042 }
1426 2043
1427 for (@diag) { 2044 for (grep defined $_->[0], @neigh) {
2045 my ($path, $origin) = @$_;
1428 my $neigh = find @$_ 2046 my $neigh = find $path, $origin
1429 or next; 2047 or next;
1430 $neigh->load; 2048 $neigh->load;
1431 } 2049 }
1432} 2050}
1433 2051
1438} 2056}
1439 2057
1440sub do_load_sync { 2058sub do_load_sync {
1441 my ($map) = @_; 2059 my ($map) = @_;
1442 2060
2061 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2062 if $Coro::current == $Coro::main;
2063
1443 cf::sync_job { $map->load }; 2064 cf::sync_job { $map->load };
1444} 2065}
1445 2066
1446our %MAP_PREFETCH; 2067our %MAP_PREFETCH;
1447our $MAP_PREFETCHER = Coro::async { 2068our $MAP_PREFETCHER = undef;
1448 while () {
1449 for my $path (keys %MAP_PREFETCH) {
1450 my $map = find $path
1451 or next;
1452 $map->load;
1453
1454 delete $MAP_PREFETCH{$path};
1455 }
1456 Coro::schedule;
1457 }
1458};
1459 2069
1460sub find_async { 2070sub find_async {
1461 my ($path, $origin) = @_; 2071 my ($path, $origin, $load) = @_;
1462 2072
1463 $path = normalise $path, $origin && $origin->{path}; 2073 $path = normalise $path, $origin && $origin->{path};
1464 2074
1465 if (my $map = $cf::MAP{$path}) { 2075 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2076 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
2077 }
2078
2079 $MAP_PREFETCH{$path} |= $load;
2080
2081 $MAP_PREFETCHER ||= cf::async {
2082 $Coro::current->{desc} = "map prefetcher";
2083
2084 while (%MAP_PREFETCH) {
2085 while (my ($k, $v) = each %MAP_PREFETCH) {
2086 if (my $map = find $k) {
2087 $map->load if $v;
2088 }
2089
2090 delete $MAP_PREFETCH{$k};
2091 }
2092 }
2093 undef $MAP_PREFETCHER;
1467 } 2094 };
1468
1469 $MAP_PREFETCH{$path} = 0;
1470 $MAP_PREFETCHER->ready; 2095 $MAP_PREFETCHER->prio (6);
1471 2096
1472 () 2097 ()
1473} 2098}
1474 2099
1475sub save { 2100sub save {
1476 my ($self) = @_; 2101 my ($self) = @_;
1477 2102
1478 my $lock = cf::lock_acquire "map_data:" . $self->path; 2103 my $lock = cf::lock_acquire "map_data:$self->{path}";
1479 2104
1480 $self->{last_save} = $cf::RUNTIME; 2105 $self->{last_save} = $cf::RUNTIME;
1481 2106
1482 return unless $self->dirty; 2107 return unless $self->dirty;
1483 2108
1489 return if $self->{deny_save}; 2114 return if $self->{deny_save};
1490 2115
1491 local $self->{last_access} = $self->last_access;#d# 2116 local $self->{last_access} = $self->last_access;#d#
1492 2117
1493 cf::async { 2118 cf::async {
2119 $Coro::current->{desc} = "map player save";
1494 $_->contr->save for $self->players; 2120 $_->contr->save for $self->players;
1495 }; 2121 };
1496 2122
1497 if ($uniq) { 2123 if ($uniq) {
1498 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2124 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1506 my ($self) = @_; 2132 my ($self) = @_;
1507 2133
1508 # save first because save cedes 2134 # save first because save cedes
1509 $self->save; 2135 $self->save;
1510 2136
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2137 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2138
1513 return if $self->players; 2139 return if $self->players;
1514 return if $self->in_memory != cf::MAP_IN_MEMORY; 2140 return if $self->in_memory != cf::MAP_IN_MEMORY;
1515 return if $self->{deny_save}; 2141 return if $self->{deny_save};
1516 2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 $self->deactivate;
2146 $_->clear_links_to ($self) for values %cf::MAP;
1517 $self->clear; 2147 $self->clear;
1518 $self->in_memory (cf::MAP_SWAPPED);
1519} 2148}
1520 2149
1521sub reset_at { 2150sub reset_at {
1522 my ($self) = @_; 2151 my ($self) = @_;
1523 2152
1524 # TODO: safety, remove and allow resettable per-player maps 2153 # TODO: safety, remove and allow resettable per-player maps
1525 return 1e99 if $self->isa ("ext::map_per_player");#d#
1526 return 1e99 if $self->{deny_reset}; 2154 return 1e99 if $self->{deny_reset};
1527 2155
1528 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2156 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2157 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530 2158
1541 my ($self) = @_; 2169 my ($self) = @_;
1542 2170
1543 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2171 my $lock = cf::lock_acquire "map_data:$self->{path}";
1544 2172
1545 return if $self->players; 2173 return if $self->players;
1546 return if $self->isa ("ext::map_per_player");#d#
1547 2174
1548 warn "resetting map ", $self->path;#d# 2175 warn "resetting map ", $self->path;
2176
2177 $self->in_memory (cf::MAP_SWAPPED);
2178
2179 # need to save uniques path
2180 unless ($self->{deny_save}) {
2181 my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2184 if $uniq;
2185 }
1549 2186
1550 delete $cf::MAP{$self->path}; 2187 delete $cf::MAP{$self->path};
1551 2188
1552 $self->in_memory (cf::MAP_SWAPPED); 2189 $self->deactivate;
2190 $_->clear_links_to ($self) for values %cf::MAP;
1553 $self->clear; 2191 $self->clear;
1554
1555 $_->clear_links_to ($self) for values %cf::MAP;
1556 2192
1557 $self->unlink_save; 2193 $self->unlink_save;
1558 $self->destroy; 2194 $self->destroy;
1559} 2195}
1560 2196
1561my $nuke_counter = "aaaa"; 2197my $nuke_counter = "aaaa";
1562 2198
1563sub nuke { 2199sub nuke {
1564 my ($self) = @_; 2200 my ($self) = @_;
1565 2201
2202 {
2203 my $lock = cf::lock_acquire "map_data:$self->{path}";
2204
1566 delete $cf::MAP{$self->path}; 2205 delete $cf::MAP{$self->path};
1567 2206
1568 $self->unlink_save; 2207 $self->unlink_save;
1569 2208
1570 bless $self, "cf::map"; 2209 bless $self, "cf::map";
1571 delete $self->{deny_reset}; 2210 delete $self->{deny_reset};
1572 $self->{deny_save} = 1; 2211 $self->{deny_save} = 1;
1573 $self->reset_timeout (1); 2212 $self->reset_timeout (1);
1574 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2213 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575 2214
1576 $cf::MAP{$self->path} = $self; 2215 $cf::MAP{$self->path} = $self;
2216 }
1577 2217
1578 $self->reset; # polite request, might not happen 2218 $self->reset; # polite request, might not happen
2219}
2220
2221=item $maps = cf::map::tmp_maps
2222
2223Returns an arrayref with all map paths of currently instantiated and saved
2224maps. May block.
2225
2226=cut
2227
2228sub tmp_maps() {
2229 [
2230 map {
2231 utf8::decode $_;
2232 /\.map$/
2233 ? normalise $_
2234 : ()
2235 } @{ aio_readdir $TMPDIR or [] }
2236 ]
2237}
2238
2239=item $maps = cf::map::random_maps
2240
2241Returns an arrayref with all map paths of currently instantiated and saved
2242random maps. May block.
2243
2244=cut
2245
2246sub random_maps() {
2247 [
2248 map {
2249 utf8::decode $_;
2250 /\.map$/
2251 ? normalise "?random/$_"
2252 : ()
2253 } @{ aio_readdir $RANDOMDIR or [] }
2254 ]
1579} 2255}
1580 2256
1581=item cf::map::unique_maps 2257=item cf::map::unique_maps
1582 2258
1583Returns an arrayref of paths of all shared maps that have 2259Returns an arrayref of paths of all shared maps that have
1584instantiated unique items. May block. 2260instantiated unique items. May block.
1585 2261
1586=cut 2262=cut
1587 2263
1588sub unique_maps() { 2264sub unique_maps() {
1589 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2265 [
1590 or return; 2266 map {
1591
1592 my @paths;
1593
1594 for (@$files) {
1595 utf8::decode $_; 2267 utf8::decode $_;
1596 next if /\.pst$/;
1597 next unless /^$PATH_SEP/o;
1598
1599 s/\.map$//; 2268 /\.map$/
1600 push @paths, $_; 2269 ? normalise $_
2270 : ()
2271 } @{ aio_readdir $UNIQUEDIR or [] }
1601 } 2272 ]
1602
1603 \@paths
1604} 2273}
1605 2274
1606package cf; 2275package cf;
1607 2276
1608=back 2277=back
1626 map { $_, inv_recursive_ $_->inv } @_ 2295 map { $_, inv_recursive_ $_->inv } @_
1627} 2296}
1628 2297
1629sub inv_recursive { 2298sub inv_recursive {
1630 inv_recursive_ inv $_[0] 2299 inv_recursive_ inv $_[0]
2300}
2301
2302=item $ref = $ob->ref
2303
2304creates and returns a persistent reference to an objetc that can be stored as a string.
2305
2306=item $ob = cf::object::deref ($refstring)
2307
2308returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309even if the object actually exists. May block.
2310
2311=cut
2312
2313sub deref {
2314 my ($ref) = @_;
2315
2316 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2317 my ($uuid, $name) = ($1, $2);
2318 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2319 or return;
2320 $pl->ob->uuid eq $uuid
2321 or return;
2322
2323 $pl->ob
2324 } else {
2325 warn "$ref: cannot resolve object reference\n";
2326 undef
2327 }
1631} 2328}
1632 2329
1633package cf; 2330package cf;
1634 2331
1635=back 2332=back
1654 2351
1655 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2352 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656 2353
1657 if ($self->{record_replies}) { 2354 if ($self->{record_replies}) {
1658 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2355 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2356
1659 } else { 2357 } else {
2358 my $pl = $self->contr;
2359
2360 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2361 my $dialog = $pl->{npc_dialog};
2362 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363
2364 } else {
1660 $msg = $npc->name . " says: $msg" if $npc; 2365 $msg = $npc->name . " says: $msg" if $npc;
1661 $self->message ($msg, $flags); 2366 $self->message ($msg, $flags);
2367 }
1662 } 2368 }
2369}
2370
2371=item $object->send_msg ($channel, $msg, $color, [extra...])
2372
2373=cut
2374
2375sub cf::object::send_msg {
2376 my $pl = shift->contr
2377 or return;
2378 $pl->send_msg (@_);
1663} 2379}
1664 2380
1665=item $player_object->may ("access") 2381=item $player_object->may ("access")
1666 2382
1667Returns wether the given player is authorized to access resource "access" 2383Returns wether the given player is authorized to access resource "access"
1699=cut 2415=cut
1700 2416
1701sub link_map { 2417sub link_map {
1702 unless ($LINK_MAP) { 2418 unless ($LINK_MAP) {
1703 $LINK_MAP = cf::map::find "{link}" 2419 $LINK_MAP = cf::map::find "{link}"
1704 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2420 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705 $LINK_MAP->load; 2421 $LINK_MAP->load;
1706 } 2422 }
1707 2423
1708 $LINK_MAP 2424 $LINK_MAP
1709} 2425}
1714 $self->deactivate_recursive; 2430 $self->deactivate_recursive;
1715 2431
1716 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2432 return if UNIVERSAL::isa $self->map, "ext::map_link";
1717 2433
1718 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2434 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719 if $self->map; 2435 if $self->map && $self->map->{path} ne "{link}";
1720 2436
1721 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2437 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1722} 2438}
1723 2439
1724sub cf::object::player::leave_link { 2440sub cf::object::player::leave_link {
1725 my ($self, $map, $x, $y) = @_; 2441 my ($self, $map, $x, $y) = @_;
2442
2443 return unless $self->contr->active;
1726 2444
1727 my $link_pos = delete $self->{_link_pos}; 2445 my $link_pos = delete $self->{_link_pos};
1728 2446
1729 unless ($map) { 2447 unless ($map) {
1730 # restore original map position 2448 # restore original map position
1744 # use -1 or undef as default coordinates, not 0, 0 2462 # use -1 or undef as default coordinates, not 0, 0
1745 ($x, $y) = ($map->enter_x, $map->enter_y) 2463 ($x, $y) = ($map->enter_x, $map->enter_y)
1746 if $x <=0 && $y <= 0; 2464 if $x <=0 && $y <= 0;
1747 2465
1748 $map->load; 2466 $map->load;
1749 $map->load_diag; 2467 $map->load_neighbours;
1750 2468
1751 return unless $self->contr->active; 2469 return unless $self->contr->active;
1752 $self->activate_recursive; 2470 $self->activate_recursive;
2471
2472 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753 $self->enter_map ($map, $x, $y); 2473 $self->enter_map ($map, $x, $y);
1754} 2474}
1755 2475
1756cf::player->attach ( 2476=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757 on_logout => sub {
1758 my ($pl) = @_;
1759 2477
1760 # abort map switching before logout 2478Moves the player to the given map-path and coordinates by first freezing
1761 if ($pl->ob->{_link_pos}) { 2479her, loading and preparing them map, calling the provided $check callback
1762 cf::sync_job { 2480that has to return the map if sucecssful, and then unfreezes the player on
1763 $pl->ob->leave_link 2481the new (success) or old (failed) map position. In either case, $done will
1764 }; 2482be called at the end of this process.
1765 }
1766 },
1767 on_login => sub {
1768 my ($pl) = @_;
1769 2483
1770 # try to abort aborted map switching on player login :)
1771 # should happen only on crashes
1772 if ($pl->ob->{_link_pos}) {
1773 $pl->ob->enter_link;
1774 (async {
1775 # we need this sleep as the login has a concurrent enter_exit running
1776 # and this sleep increases chances of the player not ending up in scorn
1777 $pl->ob->reply (undef,
1778 "There was an internal problem at your last logout, "
1779 . "the server will try to bring you to your intended destination in a second.",
1780 cf::NDI_RED);
1781 Coro::Timer::sleep 1;
1782 $pl->ob->leave_link;
1783 })->prio (2);
1784 }
1785 },
1786);
1787
1788=item $player_object->goto ($path, $x, $y)
1789
1790=cut 2484=cut
2485
2486our $GOTOGEN;
1791 2487
1792sub cf::object::player::goto { 2488sub cf::object::player::goto {
1793 my ($self, $path, $x, $y) = @_; 2489 my ($self, $path, $x, $y, $check, $done) = @_;
2490
2491 # do generation counting so two concurrent goto's will be executed in-order
2492 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794 2493
1795 $self->enter_link; 2494 $self->enter_link;
1796 2495
1797 (async { 2496 (async {
1798 my $map = cf::map::find $path; 2497 $Coro::current->{desc} = "player::goto $path $x $y";
2498
2499 # *tag paths override both path and x|y
2500 if ($path =~ /^\*(.*)$/) {
2501 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2502 my $ob = $obs[rand @obs];
2503
2504 # see if we actually can go there
2505 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2506 $ob = $obs[rand @obs];
2507 } else {
2508 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2509 }
2510 # else put us there anyways for now #d#
2511
2512 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2513 } else {
2514 ($path, $x, $y) = (undef, undef, undef);
2515 }
2516 }
2517
2518 my $map = eval {
2519 my $map = defined $path ? cf::map::find $path : undef;
2520
2521 if ($map) {
1799 $map = $map->customise_for ($self) if $map; 2522 $map = $map->customise_for ($self);
1800 2523 $map = $check->($map) if $check && $map;
1801# warn "entering ", $map->path, " at ($x, $y)\n" 2524 } else {
1802# if $map;
1803
1804 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2525 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526 }
1805 2527
2528 $map
2529 };
2530
2531 if ($@) {
2532 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2533 LOG llevError | logBacktrace, Carp::longmess $@;
2534 }
2535
2536 if ($gen == $self->{_goto_generation}) {
2537 delete $self->{_goto_generation};
1806 $self->leave_link ($map, $x, $y); 2538 $self->leave_link ($map, $x, $y);
2539 }
2540
2541 $done->() if $done;
1807 })->prio (1); 2542 })->prio (1);
1808} 2543}
1809 2544
1810=item $player_object->enter_exit ($exit_object) 2545=item $player_object->enter_exit ($exit_object)
1811 2546
1813 2548
1814sub parse_random_map_params { 2549sub parse_random_map_params {
1815 my ($spec) = @_; 2550 my ($spec) = @_;
1816 2551
1817 my $rmp = { # defaults 2552 my $rmp = { # defaults
1818 xsize => 10, 2553 xsize => (cf::rndm 15, 40),
1819 ysize => 10, 2554 ysize => (cf::rndm 15, 40),
2555 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
2556 #layout => string,
1820 }; 2557 };
1821 2558
1822 for (split /\n/, $spec) { 2559 for (split /\n/, $spec) {
1823 my ($k, $v) = split /\s+/, $_, 2; 2560 my ($k, $v) = split /\s+/, $_, 2;
1824 2561
1828 $rmp 2565 $rmp
1829} 2566}
1830 2567
1831sub prepare_random_map { 2568sub prepare_random_map {
1832 my ($exit) = @_; 2569 my ($exit) = @_;
2570
2571 my $guard = cf::lock_acquire "exit_prepare:$exit";
1833 2572
1834 # all this does is basically replace the /! path by 2573 # all this does is basically replace the /! path by
1835 # a new random map path (?random/...) with a seed 2574 # a new random map path (?random/...) with a seed
1836 # that depends on the exit object 2575 # that depends on the exit object
1837 2576
1838 my $rmp = parse_random_map_params $exit->msg; 2577 my $rmp = parse_random_map_params $exit->msg;
1839 2578
1840 if ($exit->map) { 2579 if ($exit->map) {
1841 $rmp->{region} = $exit->map->region_name; 2580 $rmp->{region} = $exit->region->name;
1842 $rmp->{origin_map} = $exit->map->path; 2581 $rmp->{origin_map} = $exit->map->path;
1843 $rmp->{origin_x} = $exit->x; 2582 $rmp->{origin_x} = $exit->x;
1844 $rmp->{origin_y} = $exit->y; 2583 $rmp->{origin_y} = $exit->y;
1845 } 2584 }
1846 2585
1847 $rmp->{random_seed} ||= $exit->random_seed; 2586 $rmp->{random_seed} ||= $exit->random_seed;
1848 2587
1849 my $data = cf::to_json $rmp; 2588 my $data = cf::to_json $rmp;
1850 my $md5 = Digest::MD5::md5_hex $data; 2589 my $md5 = Digest::MD5::md5_hex $data;
2590 my $meta = "$RANDOMDIR/$md5.meta";
1851 2591
1852 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 2592 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853 aio_write $fh, 0, (length $data), $data, 0; 2593 aio_write $fh, 0, (length $data), $data, 0;
2594 undef $fh;
2595 aio_rename "$meta~", $meta;
1854 2596
1855 $exit->slaying ("?random/$md5"); 2597 $exit->slaying ("?random/$md5");
1856 $exit->msg (undef); 2598 $exit->msg (undef);
1857 } 2599 }
1858} 2600}
1860sub cf::object::player::enter_exit { 2602sub cf::object::player::enter_exit {
1861 my ($self, $exit) = @_; 2603 my ($self, $exit) = @_;
1862 2604
1863 return unless $self->type == cf::PLAYER; 2605 return unless $self->type == cf::PLAYER;
1864 2606
2607 if ($exit->slaying eq "/!") {
2608 #TODO: this should de-fi-ni-te-ly not be a sync-job
2609 # the problem is that $exit might not survive long enough
2610 # so it needs to be done right now, right here
2611 cf::sync_job { prepare_random_map $exit };
2612 }
2613
2614 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615 my $hp = $exit->stats->hp;
2616 my $sp = $exit->stats->sp;
2617
1865 $self->enter_link; 2618 $self->enter_link;
1866 2619
2620 # if exit is damned, update players death & WoR home-position
2621 $self->contr->savebed ($slaying, $hp, $sp)
2622 if $exit->flag (FLAG_DAMNED);
2623
1867 (async { 2624 (async {
2625 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2626
1868 $self->deactivate_recursive; # just to be sure 2627 $self->deactivate_recursive; # just to be sure
1869 unless (eval { 2628 unless (eval {
1870 prepare_random_map $exit 2629 $self->goto ($slaying, $hp, $sp);
1871 if $exit->slaying eq "/!";
1872
1873 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875 2630
1876 1; 2631 1;
1877 }) { 2632 }) {
1878 $self->message ("Something went wrong deep within the crossfire server. " 2633 $self->message ("Something went wrong deep within the crossfire server. "
1879 . "I'll try to bring you back to the map you were before. " 2634 . "I'll try to bring you back to the map you were before. "
1880 . "Please report this to the dungeon master!", 2635 . "Please report this to the dungeon master!",
1881 cf::NDI_UNIQUE | cf::NDI_RED); 2636 cf::NDI_UNIQUE | cf::NDI_RED);
1882 2637
1883 warn "ERROR in enter_exit: $@"; 2638 warn "ERROR in enter_exit: $@";
1884 $self->leave_link; 2639 $self->leave_link;
1885 } 2640 }
1886 })->prio (1); 2641 })->prio (1);
1899 2654
1900sub cf::client::send_drawinfo { 2655sub cf::client::send_drawinfo {
1901 my ($self, $text, $flags) = @_; 2656 my ($self, $text, $flags) = @_;
1902 2657
1903 utf8::encode $text; 2658 utf8::encode $text;
1904 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2659 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905} 2660}
1906 2661
2662=item $client->send_msg ($channel, $msg, $color, [extra...])
2663
2664Send a drawinfo or msg packet to the client, formatting the msg for the
2665client if neccessary. C<$type> should be a string identifying the type of
2666the message, with C<log> being the default. If C<$color> is negative, suppress
2667the message unless the client supports the msg packet.
2668
2669=cut
2670
2671our %CHANNEL = (
2672 "c/identify" => {
2673 id => "infobox",
2674 title => "Identify",
2675 reply => undef,
2676 tooltip => "Items recently identified",
2677 },
2678 "c/examine" => {
2679 id => "infobox",
2680 title => "Examine",
2681 reply => undef,
2682 tooltip => "Signs and other items you examined",
2683 },
2684 "c/book" => {
2685 id => "infobox",
2686 title => "Book",
2687 reply => undef,
2688 tooltip => "The contents of a note or book",
2689 },
2690 "c/lookat" => {
2691 id => "infobox",
2692 title => "Look",
2693 reply => undef,
2694 tooltip => "What you saw there",
2695 },
2696);
2697
2698sub cf::client::send_msg {
2699 my ($self, $channel, $msg, $color, @extra) = @_;
2700
2701 $msg = $self->pl->expand_cfpod ($msg);
2702
2703 $color &= cf::NDI_CLIENT_MASK; # just in case...
2704
2705 # check predefined channels, for the benefit of C
2706 if ($CHANNEL{$channel}) {
2707 $channel = $CHANNEL{$channel};
2708
2709 $self->ext_msg (channel_info => $channel)
2710 if $self->can_msg;
2711
2712 $channel = $channel->{id};
2713
2714 } elsif (ref $channel) {
2715 # send meta info to client, if not yet sent
2716 unless (exists $self->{channel}{$channel->{id}}) {
2717 $self->{channel}{$channel->{id}} = $channel;
2718 $self->ext_msg (channel_info => $channel)
2719 if $self->can_msg;
2720 }
2721
2722 $channel = $channel->{id};
2723 }
2724
2725 return unless @extra || length $msg;
2726
2727 if ($self->can_msg) {
2728 # default colour, mask it out
2729 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730 if $color & cf::NDI_DEF;
2731
2732 $self->send_packet ("msg " . $self->{json_coder}->encode (
2733 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2734 } else {
2735 if ($color >= 0) {
2736 # replace some tags by gcfclient-compatible ones
2737 for ($msg) {
2738 1 while
2739 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744 }
2745
2746 $color &= cf::NDI_COLOR_MASK;
2747
2748 utf8::encode $msg;
2749
2750 if (0 && $msg =~ /\[/) {
2751 # COMMAND/INFO
2752 $self->send_packet ("drawextinfo $color 10 8 $msg")
2753 } else {
2754 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755 $self->send_packet ("drawinfo $color $msg")
2756 }
2757 }
2758 }
2759}
2760
2761=item $client->ext_msg ($type, @msg)
2762
2763Sends an ext event to the client.
2764
2765=cut
2766
2767sub cf::client::ext_msg($$@) {
2768 my ($self, $type, @msg) = @_;
2769
2770 if ($self->extcmd == 2) {
2771 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772 } elsif ($self->extcmd == 1) { # TODO: remove
2773 push @msg, msgtype => "event_$type";
2774 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775 }
2776}
2777
2778=item $client->ext_reply ($msgid, @msg)
2779
2780Sends an ext reply to the client.
2781
2782=cut
2783
2784sub cf::client::ext_reply($$@) {
2785 my ($self, $id, @msg) = @_;
2786
2787 if ($self->extcmd == 2) {
2788 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789 } elsif ($self->extcmd == 1) {
2790 #TODO: version 1, remove
2791 unshift @msg, msgtype => "reply", msgid => $id;
2792 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793 }
2794}
1907 2795
1908=item $success = $client->query ($flags, "text", \&cb) 2796=item $success = $client->query ($flags, "text", \&cb)
1909 2797
1910Queues a query to the client, calling the given callback with 2798Queues a query to the client, calling the given callback with
1911the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2799the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2800C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913 2801
1914Queries can fail, so check the return code. Or don't, as queries will become 2802Queries can fail, so check the return code. Or don't, as queries will
1915reliable at some point in the future. 2803become reliable at some point in the future.
1916 2804
1917=cut 2805=cut
1918 2806
1919sub cf::client::query { 2807sub cf::client::query {
1920 my ($self, $flags, $text, $cb) = @_; 2808 my ($self, $flags, $text, $cb) = @_;
1928 utf8::encode $text; 2816 utf8::encode $text;
1929 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2817 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930 2818
1931 $self->send_packet ($self->{query_queue}[0][0]) 2819 $self->send_packet ($self->{query_queue}[0][0])
1932 if @{ $self->{query_queue} } == 1; 2820 if @{ $self->{query_queue} } == 1;
2821
2822 1
1933} 2823}
1934 2824
1935cf::client->attach ( 2825cf::client->attach (
2826 on_connect => sub {
2827 my ($ns) = @_;
2828
2829 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2830 },
1936 on_reply => sub { 2831 on_reply => sub {
1937 my ($ns, $msg) = @_; 2832 my ($ns, $msg) = @_;
1938 2833
1939 # this weird shuffling is so that direct followup queries 2834 # this weird shuffling is so that direct followup queries
1940 # get handled first 2835 # get handled first
1941 my $queue = delete $ns->{query_queue} 2836 my $queue = delete $ns->{query_queue}
1942 or return; # be conservative, not sure how that can happen, but we saw a crash here 2837 or return; # be conservative, not sure how that can happen, but we saw a crash here
1943 2838
1944 (shift @$queue)->[1]->($msg); 2839 (shift @$queue)->[1]->($msg);
2840 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945 2841
1946 push @{ $ns->{query_queue} }, @$queue; 2842 push @{ $ns->{query_queue} }, @$queue;
1947 2843
1948 if (@{ $ns->{query_queue} } == @$queue) { 2844 if (@{ $ns->{query_queue} } == @$queue) {
1949 if (@$queue) { 2845 if (@$queue) {
1951 } else { 2847 } else {
1952 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2848 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953 } 2849 }
1954 } 2850 }
1955 }, 2851 },
2852 on_exticmd => sub {
2853 my ($ns, $buf) = @_;
2854
2855 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856
2857 if (ref $msg) {
2858 my ($type, $reply, @payload) =
2859 "ARRAY" eq ref $msg
2860 ? @$msg
2861 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862
2863 my @reply;
2864
2865 if (my $cb = $EXTICMD{$type}) {
2866 @reply = $cb->($ns, @payload);
2867 }
2868
2869 $ns->ext_reply ($reply, @reply)
2870 if $reply;
2871
2872 } else {
2873 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874 }
2875
2876 cf::override;
2877 },
1956); 2878);
1957 2879
1958=item $client->async (\&cb) 2880=item $client->async (\&cb)
1959 2881
1960Create a new coroutine, running the specified callback. The coroutine will 2882Create a new coroutine, running the specified callback. The coroutine will
2001our $safe = new Safe "safe"; 2923our $safe = new Safe "safe";
2002our $safe_hole = new Safe::Hole; 2924our $safe_hole = new Safe::Hole;
2003 2925
2004$SIG{FPE} = 'IGNORE'; 2926$SIG{FPE} = 'IGNORE';
2005 2927
2006$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 2928$safe->permit_only (Opcode::opset qw(
2929 :base_core :base_mem :base_orig :base_math
2930 grepstart grepwhile mapstart mapwhile
2931 sort time
2932));
2007 2933
2008# here we export the classes and methods available to script code 2934# here we export the classes and methods available to script code
2009 2935
2010=pod 2936=pod
2011 2937
2012The following fucntions and emthods are available within a safe environment: 2938The following functions and methods are available within a safe environment:
2013 2939
2014 cf::object contr pay_amount pay_player map 2940 cf::object
2941 contr pay_amount pay_player map x y force_find force_add destroy
2942 insert remove name archname title slaying race decrease_ob_nr
2943
2015 cf::object::player player 2944 cf::object::player
2016 cf::player peaceful 2945 player
2017 cf::map trigger 2946
2947 cf::player
2948 peaceful
2949
2950 cf::map
2951 trigger
2018 2952
2019=cut 2953=cut
2020 2954
2021for ( 2955for (
2022 ["cf::object" => qw(contr pay_amount pay_player map)], 2956 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957 insert remove inv name archname title slaying race
2958 decrease_ob_nr destroy)],
2023 ["cf::object::player" => qw(player)], 2959 ["cf::object::player" => qw(player)],
2024 ["cf::player" => qw(peaceful)], 2960 ["cf::player" => qw(peaceful)],
2025 ["cf::map" => qw(trigger)], 2961 ["cf::map" => qw(trigger)],
2026) { 2962) {
2027 no strict 'refs'; 2963 no strict 'refs';
2098=back 3034=back
2099 3035
2100=cut 3036=cut
2101 3037
2102############################################################################# 3038#############################################################################
3039# the server's init and main functions
2103 3040
2104=head2 EXTENSION DATABASE SUPPORT 3041sub load_facedata($) {
3042 my ($path) = @_;
2105 3043
2106Crossfire maintains a very simple database for extension use. It can 3044 # HACK to clear player env face cache, we need some signal framework
2107currently store anything that can be serialised using Storable, which 3045 # for this (global event?)
2108excludes objects. 3046 %ext::player_env::MUSIC_FACE_CACHE = ();
2109 3047
2110The parameter C<$family> should best start with the name of the extension 3048 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111using it, it should be unique.
2112 3049
2113=over 4 3050 warn "loading facedata from $path\n";
2114 3051
2115=item $hashref = cf::db_get $family 3052 my $facedata;
3053 0 < aio_load $path, $facedata
3054 or die "$path: $!";
2116 3055
2117Return a hashref for use by the extension C<$family>, which can be 3056 $facedata = Coro::Storable::thaw $facedata;
2118modified. After modifications, you have to call C<cf::db_dirty> or
2119C<cf::db_sync>.
2120 3057
2121=item $value = cf::db_get $family => $key 3058 $facedata->{version} == 2
3059 or cf::cleanup "$path: version mismatch, cannot proceed.";
2122 3060
2123Returns a single value from the database 3061 # patch in the exptable
2124 3062 $facedata->{resource}{"res/exp_table"} = {
2125=item cf::db_put $family => $hashref 3063 type => FT_RSRC,
2126 3064 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127Stores the given family hashref into the database. Updates are delayed, if
2128you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130=item cf::db_put $family => $key => $value
2131
2132Stores the given C<$value> in the family hash. Updates are delayed, if you
2133want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135=item cf::db_dirty
2136
2137Marks the database as dirty, to be updated at a later time.
2138
2139=item cf::db_sync
2140
2141Immediately write the database to disk I<if it is dirty>.
2142
2143=cut
2144
2145our $DB;
2146
2147{
2148 my $path = cf::localdir . "/database.pst";
2149
2150 sub db_load() {
2151 $DB = stat $path ? Storable::retrieve $path : { };
2152 }
2153
2154 my $pid;
2155
2156 sub db_save() {
2157 waitpid $pid, 0 if $pid;
2158 if (0 == ($pid = fork)) {
2159 $DB->{_meta}{version} = 1;
2160 Storable::nstore $DB, "$path~";
2161 rename "$path~", $path;
2162 cf::_exit 0 if defined $pid;
2163 }
2164 }
2165
2166 my $dirty;
2167
2168 sub db_sync() {
2169 db_save if $dirty;
2170 undef $dirty;
2171 }
2172
2173 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174 db_sync;
2175 }); 3065 };
3066 cf::cede_to_tick;
2176 3067
2177 sub db_dirty() {
2178 $dirty = 1;
2179 $idle->start;
2180 } 3068 {
3069 my $faces = $facedata->{faceinfo};
2181 3070
2182 sub db_get($;$) { 3071 while (my ($face, $info) = each %$faces) {
2183 @_ >= 2 3072 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184 ? $DB->{$_[0]}{$_[1]} 3073 cf::face::set_visibility $idx, $info->{visibility};
2185 : ($DB->{$_[0]} ||= { }) 3074 cf::face::set_magicmap $idx, $info->{magicmap};
2186 } 3075 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3076 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187 3077
2188 sub db_put($$;$) { 3078 cf::cede_to_tick;
2189 if (@_ >= 3) {
2190 $DB->{$_[0]}{$_[1]} = $_[2];
2191 } else {
2192 $DB->{$_[0]} = $_[1];
2193 }
2194 db_dirty;
2195 }
2196
2197 cf::global->attach (
2198 prio => 10000,
2199 on_cleanup => sub {
2200 db_sync;
2201 }, 3079 }
2202 );
2203}
2204 3080
2205############################################################################# 3081 while (my ($face, $info) = each %$faces) {
2206# the server's main() 3082 next unless $info->{smooth};
3083 my $idx = cf::face::find $face
3084 or next;
3085 if (my $smooth = cf::face::find $info->{smooth}) {
3086 cf::face::set_smooth $idx, $smooth;
3087 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088 } else {
3089 warn "smooth face '$info->{smooth}' not found for face '$face'";
3090 }
2207 3091
2208sub cfg_load { 3092 cf::cede_to_tick;
3093 }
3094 }
3095
3096 {
3097 my $anims = $facedata->{animinfo};
3098
3099 while (my ($anim, $info) = each %$anims) {
3100 cf::anim::set $anim, $info->{frames}, $info->{facings};
3101 cf::cede_to_tick;
3102 }
3103
3104 cf::anim::invalidate_all; # d'oh
3105 }
3106
3107 {
3108 # TODO: for gcfclient pleasure, we should give resources
3109 # that gcfclient doesn't grok a >10000 face index.
3110 my $res = $facedata->{resource};
3111
3112 my $soundconf = delete $res->{"res/sound.conf"};
3113
3114 while (my ($name, $info) = each %$res) {
3115 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116 my $data;
3117
3118 if ($info->{type} & 1) {
3119 # prepend meta info
3120
3121 my $meta = $enc->encode ({
3122 name => $name,
3123 %{ $info->{meta} || {} },
3124 });
3125
3126 $data = pack "(w/a*)*", $meta, $info->{data};
3127 } else {
3128 $data = $info->{data};
3129 }
3130
3131 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132 cf::face::set_type $idx, $info->{type};
3133
3134 cf::cede_to_tick;
3135 }
3136
3137 if ($soundconf) {
3138 $soundconf = $enc->decode (delete $soundconf->{data});
3139
3140 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141 my $sound = $soundconf->{compat}[$_]
3142 or next;
3143
3144 my $face = cf::face::find "sound/$sound->[1]";
3145 cf::sound::set $sound->[0] => $face;
3146 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147 }
3148
3149 while (my ($k, $v) = each %{$soundconf->{event}}) {
3150 my $face = cf::face::find "sound/$v";
3151 cf::sound::set $k => $face;
3152 }
3153 }
3154 }
3155
3156 1
3157}
3158
3159register_exticmd fx_want => sub {
3160 my ($ns, $want) = @_;
3161
3162 while (my ($k, $v) = each %$want) {
3163 $ns->fx_want ($k, $v);
3164 }
3165};
3166
3167sub reload_regions {
3168 # HACK to clear player env face cache, we need some signal framework
3169 # for this (global event?)
3170 %ext::player_env::MUSIC_FACE_CACHE = ();
3171
3172 load_resource_file "$MAPDIR/regions"
3173 or die "unable to load regions file\n";
3174
3175 for (cf::region::list) {
3176 $_->{match} = qr/$_->{match}/
3177 if exists $_->{match};
3178 }
3179}
3180
3181sub reload_facedata {
3182 load_facedata "$DATADIR/facedata"
3183 or die "unable to load facedata\n";
3184}
3185
3186sub reload_archetypes {
3187 load_resource_file "$DATADIR/archetypes"
3188 or die "unable to load archetypes\n";
3189 #d# NEED to laod twice to resolve forward references
3190 # this really needs to be done in an extra post-pass
3191 # (which needs to be synchronous, so solve it differently)
3192 load_resource_file "$DATADIR/archetypes"
3193 or die "unable to load archetypes\n";
3194}
3195
3196sub reload_treasures {
3197 load_resource_file "$DATADIR/treasures"
3198 or die "unable to load treasurelists\n";
3199}
3200
3201sub reload_resources {
3202 warn "reloading resource files...\n";
3203
3204 reload_regions;
3205 reload_facedata;
3206 #reload_archetypes;#d#
3207 reload_archetypes;
3208 reload_treasures;
3209
3210 warn "finished reloading resource files\n";
3211}
3212
3213sub init {
3214 reload_resources;
3215}
3216
3217sub reload_config {
2209 open my $fh, "<:utf8", cf::confdir . "/config" 3218 open my $fh, "<:utf8", "$CONFDIR/config"
2210 or return; 3219 or return;
2211 3220
2212 local $/; 3221 local $/;
2213 *CFG = YAML::Syck::Load <$fh>; 3222 *CFG = YAML::Syck::Load <$fh>;
2214 3223
2229sub main { 3238sub main {
2230 # we must not ever block the main coroutine 3239 # we must not ever block the main coroutine
2231 local $Coro::idle = sub { 3240 local $Coro::idle = sub {
2232 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3241 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2233 (async { 3242 (async {
2234 warn "BP1\n";#d# 3243 $Coro::current->{desc} = "IDLE BUG HANDLER";
2235 Event::one_event; 3244 Event::one_event;
2236 warn "BP2\n";#d#
2237 })->prio (Coro::PRIO_MAX); 3245 })->prio (Coro::PRIO_MAX);
2238 }; 3246 };
2239 3247
2240 cfg_load; 3248 reload_config;
2241 db_load; 3249 db_init;
2242 load_extensions; 3250 load_extensions;
3251
3252 $TICK_WATCHER->start;
2243 Event::loop; 3253 Event::loop;
2244} 3254}
2245 3255
2246############################################################################# 3256#############################################################################
2247# initialisation and cleanup 3257# initialisation and cleanup
2248 3258
2249# install some emergency cleanup handlers 3259# install some emergency cleanup handlers
2250BEGIN { 3260BEGIN {
2251 for my $signal (qw(INT HUP TERM)) { 3261 for my $signal (qw(INT HUP TERM)) {
2252 Event->signal ( 3262 Event->signal (
3263 reentrant => 0,
2253 data => WF_AUTOCANCEL, 3264 data => WF_AUTOCANCEL,
2254 signal => $signal, 3265 signal => $signal,
3266 prio => 0,
2255 cb => sub { 3267 cb => sub {
2256 cf::cleanup "SIG$signal"; 3268 cf::cleanup "SIG$signal";
2257 }, 3269 },
2258 ); 3270 );
2259 } 3271 }
3272}
3273
3274sub write_runtime {
3275 my $runtime = "$LOCALDIR/runtime";
3276
3277 # first touch the runtime file to show we are still running:
3278 # the fsync below can take a very very long time.
3279
3280 IO::AIO::aio_utime $runtime, undef, undef;
3281
3282 my $guard = cf::lock_acquire "write_runtime";
3283
3284 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3285 or return;
3286
3287 my $value = $cf::RUNTIME + 90 + 10;
3288 # 10 is the runtime save interval, for a monotonic clock
3289 # 60 allows for the watchdog to kill the server.
3290
3291 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3292 and return;
3293
3294 # always fsync - this file is important
3295 aio_fsync $fh
3296 and return;
3297
3298 # touch it again to show we are up-to-date
3299 aio_utime $fh, undef, undef;
3300
3301 close $fh
3302 or return;
3303
3304 aio_rename "$runtime~", $runtime
3305 and return;
3306
3307 warn "runtime file written.\n";
3308
3309 1
2260} 3310}
2261 3311
2262sub emergency_save() { 3312sub emergency_save() {
2263 my $freeze_guard = cf::freeze_mainloop; 3313 my $freeze_guard = cf::freeze_mainloop;
2264 3314
2270 # and maps saved/destroyed asynchronously. 3320 # and maps saved/destroyed asynchronously.
2271 warn "begin emergency player save\n"; 3321 warn "begin emergency player save\n";
2272 for my $login (keys %cf::PLAYER) { 3322 for my $login (keys %cf::PLAYER) {
2273 my $pl = $cf::PLAYER{$login} or next; 3323 my $pl = $cf::PLAYER{$login} or next;
2274 $pl->valid or next; 3324 $pl->valid or next;
3325 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275 $pl->save; 3326 $pl->save;
2276 } 3327 }
2277 warn "end emergency player save\n"; 3328 warn "end emergency player save\n";
2278 3329
2279 warn "begin emergency map save\n"; 3330 warn "begin emergency map save\n";
2281 my $map = $cf::MAP{$path} or next; 3332 my $map = $cf::MAP{$path} or next;
2282 $map->valid or next; 3333 $map->valid or next;
2283 $map->save; 3334 $map->save;
2284 } 3335 }
2285 warn "end emergency map save\n"; 3336 warn "end emergency map save\n";
3337
3338 warn "begin emergency database checkpoint\n";
3339 BDB::db_env_txn_checkpoint $DB_ENV;
3340 warn "end emergency database checkpoint\n";
2286 }; 3341 };
2287 3342
2288 warn "leave emergency perl save\n"; 3343 warn "leave emergency perl save\n";
2289} 3344}
2290 3345
3346sub post_cleanup {
3347 my ($make_core) = @_;
3348
3349 warn Carp::longmess "post_cleanup backtrace"
3350 if $make_core;
3351}
3352
2291sub reload() { 3353sub do_reload_perl() {
2292 # can/must only be called in main 3354 # can/must only be called in main
2293 if ($Coro::current != $Coro::main) { 3355 if ($Coro::current != $Coro::main) {
2294 warn "can only reload from main coroutine\n"; 3356 warn "can only reload from main coroutine";
2295 return; 3357 return;
2296 } 3358 }
2297 3359
2298 warn "reloading..."; 3360 warn "reloading...";
2299 3361
2300 warn "freezing server"; 3362 warn "entering sync_job";
2301 my $guard = freeze_mainloop; 3363
3364 cf::sync_job {
3365 cf::write_runtime; # external watchdog should not bark
2302 cf::emergency_save; 3366 cf::emergency_save;
3367 cf::write_runtime; # external watchdog should not bark
2303 3368
2304 warn "sync database to disk"; 3369 warn "syncing database to disk";
2305 cf::db_sync; 3370 BDB::db_env_txn_checkpoint $DB_ENV;
2306 IO::AIO::flush;
2307 3371
2308 eval {
2309 # if anything goes wrong in here, we should simply crash as we already saved 3372 # if anything goes wrong in here, we should simply crash as we already saved
2310 3373
2311 warn "cancel all watchers"; 3374 warn "cancelling all WF_AUTOCANCEL watchers";
2312 for (Event::all_watchers) { 3375 for (Event::all_watchers) {
2313 $_->cancel if $_->data & WF_AUTOCANCEL; 3376 $_->cancel if $_->data & WF_AUTOCANCEL;
2314 } 3377 }
2315 3378
3379 warn "flushing outstanding aio requests";
3380 for (;;) {
3381 BDB::flush;
3382 IO::AIO::flush;
3383 Coro::cede_notself;
3384 last unless IO::AIO::nreqs || BDB::nreqs;
3385 warn "iterate...";
3386 }
3387
3388 ++$RELOAD;
3389
2316 warn "cancel all extension coros"; 3390 warn "cancelling all extension coros";
2317 $_->cancel for values %EXT_CORO; 3391 $_->cancel for values %EXT_CORO;
2318 %EXT_CORO = (); 3392 %EXT_CORO = ();
2319 3393
2320 warn "remove commands"; 3394 warn "removing commands";
2321 %COMMAND = (); 3395 %COMMAND = ();
2322 3396
2323 warn "remove ext commands"; 3397 warn "removing ext/exti commands";
2324 %EXTCMD = (); 3398 %EXTCMD = ();
3399 %EXTICMD = ();
2325 3400
2326 warn "unload/nuke all extensions"; 3401 warn "unloading/nuking all extensions";
2327 for my $pkg (@EXTS) { 3402 for my $pkg (@EXTS) {
2328 warn "... unloading $pkg"; 3403 warn "... unloading $pkg";
2329 3404
2330 if (my $cb = $pkg->can ("unload")) { 3405 if (my $cb = $pkg->can ("unload")) {
2331 eval { 3406 eval {
2336 3411
2337 warn "... nuking $pkg"; 3412 warn "... nuking $pkg";
2338 Symbol::delete_package $pkg; 3413 Symbol::delete_package $pkg;
2339 } 3414 }
2340 3415
2341 warn "unload all perl modules loaded from $LIBDIR"; 3416 warn "unloading all perl modules loaded from $LIBDIR";
2342 while (my ($k, $v) = each %INC) { 3417 while (my ($k, $v) = each %INC) {
2343 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 3418 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344 3419
2345 warn "removing <$k>"; 3420 warn "... unloading $k";
2346 delete $INC{$k}; 3421 delete $INC{$k};
2347 3422
2348 $k =~ s/\.pm$//; 3423 $k =~ s/\.pm$//;
2349 $k =~ s/\//::/g; 3424 $k =~ s/\//::/g;
2350 3425
2353 } 3428 }
2354 3429
2355 Symbol::delete_package $k; 3430 Symbol::delete_package $k;
2356 } 3431 }
2357 3432
2358 warn "get rid of safe::, as good as possible"; 3433 warn "getting rid of safe::, as good as possible";
2359 Symbol::delete_package "safe::$_" 3434 Symbol::delete_package "safe::$_"
2360 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3435 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361 3436
2362 warn "unload cf.pm \"a bit\""; 3437 warn "unloading cf.pm \"a bit\"";
2363 delete $INC{"cf.pm"}; 3438 delete $INC{"cf.pm"};
3439 delete $INC{"cf/pod.pm"};
2364 3440
2365 # don't, removes xs symbols, too, 3441 # don't, removes xs symbols, too,
2366 # and global variables created in xs 3442 # and global variables created in xs
2367 #Symbol::delete_package __PACKAGE__; 3443 #Symbol::delete_package __PACKAGE__;
2368 3444
3445 warn "unload completed, starting to reload now";
3446
2369 warn "reloading cf.pm"; 3447 warn "reloading cf.pm";
2370 require cf; 3448 require cf;
2371 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3449 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372 3450
2373 warn "load config and database again"; 3451 warn "loading config and database again";
2374 cf::cfg_load; 3452 cf::reload_config;
2375 cf::db_load;
2376 3453
2377 warn "load extensions"; 3454 warn "loading extensions";
2378 cf::load_extensions; 3455 cf::load_extensions;
2379 3456
2380 warn "reattach attachments to objects/players"; 3457 warn "reattaching attachments to objects/players";
2381 _global_reattach; 3458 _global_reattach; # objects, sockets
2382 warn "reattach attachments to maps"; 3459 warn "reattaching attachments to maps";
2383 reattach $_ for values %MAP; 3460 reattach $_ for values %MAP;
2384 }; 3461 warn "reattaching attachments to players";
3462 reattach $_ for values %PLAYER;
2385 3463
2386 if ($@) { 3464 warn "leaving sync_job";
3465
3466 1
3467 } or do {
2387 warn $@; 3468 warn $@;
2388 warn "error while reloading, exiting."; 3469 warn "error while reloading, exiting.";
2389 exit 1; 3470 exit 1;
2390 } 3471 };
2391 3472
2392 warn "reloaded"; 3473 warn "reloaded";
2393}; 3474};
2394 3475
2395our $RELOAD_WATCHER; # used only during reload 3476our $RELOAD_WATCHER; # used only during reload
2396 3477
3478sub reload_perl() {
3479 # doing reload synchronously and two reloads happen back-to-back,
3480 # coro crashes during coro_state_free->destroy here.
3481
3482 $RELOAD_WATCHER ||= Event->timer (
3483 reentrant => 0,
3484 after => 0,
3485 data => WF_AUTOCANCEL,
3486 cb => sub {
3487 do_reload_perl;
3488 undef $RELOAD_WATCHER;
3489 },
3490 );
3491}
3492
2397register_command "reload" => sub { 3493register_command "reload" => sub {
2398 my ($who, $arg) = @_; 3494 my ($who, $arg) = @_;
2399 3495
2400 if ($who->flag (FLAG_WIZ)) { 3496 if ($who->flag (FLAG_WIZ)) {
2401 $who->message ("reloading server."); 3497 $who->message ("reloading server.");
2402 3498 async {
2403 # doing reload synchronously and two reloads happen back-to-back, 3499 $Coro::current->{desc} = "perl_reload";
2404 # coro crashes during coro_state_free->destroy here.
2405
2406 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407 reload; 3500 reload_perl;
2408 undef $RELOAD_WATCHER;
2409 }); 3501 };
2410 } 3502 }
2411}; 3503};
2412 3504
2413unshift @INC, $LIBDIR; 3505unshift @INC, $LIBDIR;
3506
3507my $bug_warning = 0;
3508
3509our @WAIT_FOR_TICK;
3510our @WAIT_FOR_TICK_BEGIN;
3511
3512sub wait_for_tick {
3513 return unless $TICK_WATCHER->is_active;
3514 return if $Coro::current == $Coro::main;
3515
3516 my $signal = new Coro::Signal;
3517 push @WAIT_FOR_TICK, $signal;
3518 $signal->wait;
3519}
3520
3521sub wait_for_tick_begin {
3522 return unless $TICK_WATCHER->is_active;
3523 return if $Coro::current == $Coro::main;
3524
3525 my $signal = new Coro::Signal;
3526 push @WAIT_FOR_TICK_BEGIN, $signal;
3527 $signal->wait;
3528}
2414 3529
2415$TICK_WATCHER = Event->timer ( 3530$TICK_WATCHER = Event->timer (
2416 reentrant => 0, 3531 reentrant => 0,
3532 parked => 1,
2417 prio => 0, 3533 prio => 0,
2418 at => $NEXT_TICK || $TICK, 3534 at => $NEXT_TICK || $TICK,
2419 data => WF_AUTOCANCEL, 3535 data => WF_AUTOCANCEL,
2420 cb => sub { 3536 cb => sub {
3537 if ($Coro::current != $Coro::main) {
3538 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539 unless ++$bug_warning > 10;
3540 return;
3541 }
3542
2421 $NOW = Event::time; 3543 $NOW = $tick_start = Event::time;
2422 3544
2423 cf::server_tick; # one server iteration 3545 cf::server_tick; # one server iteration
3546
2424 $RUNTIME += $TICK; 3547 $RUNTIME += $TICK;
2425 $NEXT_TICK += $TICK; 3548 $NEXT_TICK += $TICK;
2426 3549
2427 $WAIT_FOR_TICK->broadcast; 3550 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3551 $NEXT_RUNTIME_WRITE = $NOW + 10;
3552 Coro::async_pool {
3553 $Coro::current->{desc} = "runtime saver";
3554 write_runtime
3555 or warn "ERROR: unable to write runtime file: $!";
3556 };
3557 }
3558
3559 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560 $sig->send;
3561 }
3562 while (my $sig = shift @WAIT_FOR_TICK) {
3563 $sig->send;
3564 }
3565
3566 $NOW = Event::time;
2429 3567
2430 # if we are delayed by four ticks or more, skip them all 3568 # if we are delayed by four ticks or more, skip them all
2431 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 3569 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2432 3570
2433 $TICK_WATCHER->at ($NEXT_TICK); 3571 $TICK_WATCHER->at ($NEXT_TICK);
2434 $TICK_WATCHER->start; 3572 $TICK_WATCHER->start;
3573
3574 $LOAD = ($NOW - $tick_start) / $TICK;
3575 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576
3577 _post_tick;
2435 }, 3578 },
2436); 3579);
2437 3580
3581{
3582 BDB::min_parallel 8;
3583 BDB::max_poll_time $TICK * 0.1;
3584 $BDB_POLL_WATCHER = Event->io (
3585 reentrant => 0,
3586 fd => BDB::poll_fileno,
3587 poll => 'r',
3588 prio => 0,
3589 data => WF_AUTOCANCEL,
3590 cb => \&BDB::poll_cb,
3591 );
3592
3593 BDB::set_sync_prepare {
3594 my $status;
3595 my $current = $Coro::current;
3596 (
3597 sub {
3598 $status = $!;
3599 $current->ready; undef $current;
3600 },
3601 sub {
3602 Coro::schedule while defined $current;
3603 $! = $status;
3604 },
3605 )
3606 };
3607
3608 unless ($DB_ENV) {
3609 $DB_ENV = BDB::db_env_create;
3610 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3611 | BDB::LOG_AUTOREMOVE, 1);
3612 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614
3615 cf::sync_job {
3616 eval {
3617 BDB::db_env_open
3618 $DB_ENV,
3619 $BDBDIR,
3620 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3621 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3622 0666;
3623
3624 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3625 };
3626
3627 cf::cleanup "db_env_open(db): $@" if $@;
3628 };
3629 }
3630
3631 $BDB_DEADLOCK_WATCHER = Event->timer (
3632 after => 3,
3633 interval => 1,
3634 hard => 1,
3635 prio => 0,
3636 data => WF_AUTOCANCEL,
3637 cb => sub {
3638 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639 },
3640 );
3641 $BDB_CHECKPOINT_WATCHER = Event->timer (
3642 after => 11,
3643 interval => 60,
3644 hard => 1,
3645 prio => 0,
3646 data => WF_AUTOCANCEL,
3647 cb => sub {
3648 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649 },
3650 );
3651 $BDB_TRICKLE_WATCHER = Event->timer (
3652 after => 5,
3653 interval => 10,
3654 hard => 1,
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => sub {
3658 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659 },
3660 );
3661}
3662
3663{
3664 IO::AIO::min_parallel 8;
3665
3666 undef $Coro::AIO::WATCHER;
2438IO::AIO::max_poll_time $TICK * 0.2; 3667 IO::AIO::max_poll_time $TICK * 0.1;
2439
2440$AIO_POLL_WATCHER = Event->io ( 3668 $AIO_POLL_WATCHER = Event->io (
2441 fd => IO::AIO::poll_fileno, 3669 reentrant => 0,
2442 poll => 'r',
2443 prio => 5,
2444 data => WF_AUTOCANCEL,
2445 cb => \&IO::AIO::poll_cb,
2446);
2447
2448$WRITE_RUNTIME_WATCHER = Event->timer (
2449 data => WF_AUTOCANCEL, 3670 data => WF_AUTOCANCEL,
2450 after => 0, 3671 fd => IO::AIO::poll_fileno,
2451 interval => 10, 3672 poll => 'r',
2452 cb => sub { 3673 prio => 0,
2453 (Coro::unblock_sub { 3674 cb => \&IO::AIO::poll_cb,
2454 write_runtime 3675 );
2455 or warn "ERROR: unable to write runtime file: $!"; 3676}
3677
3678my $_log_backtrace;
3679
3680sub _log_backtrace {
3681 my ($msg, @addr) = @_;
3682
3683 $msg =~ s/\n//;
3684
3685 # limit the # of concurrent backtraces
3686 if ($_log_backtrace < 2) {
3687 ++$_log_backtrace;
3688 async {
3689 $Coro::current->{desc} = "abt $msg";
3690
3691 my @bt = fork_call {
3692 @addr = map { sprintf "%x", $_ } @addr;
3693 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3694 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3695 or die "addr2line: $!";
3696
3697 my @funcs;
3698 my @res = <$fh>;
3699 chomp for @res;
3700 while (@res) {
3701 my ($func, $line) = splice @res, 0, 2, ();
3702 push @funcs, "[$func] $line";
3703 }
3704
3705 @funcs
3706 };
3707
3708 LOG llevInfo, "[ABT] $msg\n";
3709 LOG llevInfo, "[ABT] $_\n" for @bt;
3710 --$_log_backtrace;
2456 })->(); 3711 };
3712 } else {
3713 LOG llevInfo, "[ABT] $msg\n";
3714 LOG llevInfo, "[ABT] [suppressed]\n";
2457 }, 3715 }
2458); 3716}
3717
3718# load additional modules
3719use cf::pod;
2459 3720
2460END { cf::emergency_save } 3721END { cf::emergency_save }
2461 3722
24621 37231
2463 3724

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