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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.183 by root, Fri Jan 19 19:42:37 2007 UTC vs.
Revision 1.413 by root, Sun Apr 6 16:13:20 2008 UTC

1#
2# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3#
4# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5#
6# Deliantra is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10#
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14# GNU General Public License for more details.
15#
16# You should have received a copy of the GNU General Public License
17# along with this program. If not, see <http://www.gnu.org/licenses/>.
18#
19# The authors can be reached via e-mail to <support@deliantra.net>
20#
21
1package cf; 22package cf;
2 23
3use utf8; 24use utf8;
4use strict; 25use strict;
5 26
6use Symbol; 27use Symbol;
7use List::Util; 28use List::Util;
8use Storable; 29use Socket;
30use EV 3.2;
9use Opcode; 31use Opcode;
10use Safe; 32use Safe;
11use Safe::Hole; 33use Safe::Hole;
34use Storable ();
12 35
13use Coro 3.4 (); 36use Coro 4.32 ();
37use Coro::State;
38use Coro::Handle;
14use Coro::Event; 39use Coro::EV;
15use Coro::Timer; 40use Coro::Timer;
16use Coro::Signal; 41use Coro::Signal;
17use Coro::Semaphore; 42use Coro::Semaphore;
18use Coro::AIO; 43use Coro::AIO;
44use Coro::BDB;
45use Coro::Storable;
46use Coro::Util ();
19 47
48use JSON::XS 2.01 ();
49use BDB ();
20use Data::Dumper; 50use Data::Dumper;
21use Digest::MD5; 51use Digest::MD5;
22use Fcntl; 52use Fcntl;
53use YAML ();
23use IO::AIO 2.32 (); 54use IO::AIO 2.51 ();
24use YAML::Syck ();
25use Time::HiRes; 55use Time::HiRes;
56use Compress::LZF;
57use Digest::MD5 ();
26 58
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 59# configure various modules to our taste
60#
61$Storable::canonical = 1; # reduce rsync transfers
62Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
63Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64
65$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28 66
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 67sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 68
36our %COMMAND = (); 69our %COMMAND = ();
37our %COMMAND_TIME = (); 70our %COMMAND_TIME = ();
38 71
39our @EXTS = (); # list of extension package names 72our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 73our %EXTCMD = ();
74our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 75our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 76our %EXT_MAP = (); # pluggable maps
43 77
78our $RELOAD; # number of reloads so far
44our @EVENT; 79our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 80
47our $TICK = MAX_TIME * 1e-6; 81our $CONFDIR = confdir;
48our $TICK_WATCHER; 82our $DATADIR = datadir;
83our $LIBDIR = "$DATADIR/ext";
84our $PODDIR = "$DATADIR/pod";
85our $MAPDIR = "$DATADIR/" . mapdir;
86our $LOCALDIR = localdir;
87our $TMPDIR = "$LOCALDIR/" . tmpdir;
88our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90our $RANDOMDIR = "$LOCALDIR/random";
91our $BDBDIR = "$LOCALDIR/db";
92our %RESOURCE;
93
94our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49our $AIO_POLL_WATCHER; 95our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 96our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 97our $NEXT_TICK;
52our $NOW; 98our $USE_FSYNC = 1; # use fsync to write maps - default off
99
100our $BDB_POLL_WATCHER;
101our $BDB_DEADLOCK_WATCHER;
102our $BDB_CHECKPOINT_WATCHER;
103our $BDB_TRICKLE_WATCHER;
104our $DB_ENV;
53 105
54our %CFG; 106our %CFG;
55 107
56our $UPTIME; $UPTIME ||= time; 108our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 109our $RUNTIME;
110our $NOW;
58 111
59our %PLAYER; # all users 112our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 113our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 114our $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;
66 115
67# used to convert map paths into valid unix filenames by replacing / by ∕ 116# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 117our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 118
119our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120our $LOADAVG; # same thing, but with alpha-smoothing
121our $JITTER; # average jitter
122our $TICK_START; # for load detecting purposes
123
70binmode STDOUT; 124binmode STDOUT;
71binmode STDERR; 125binmode STDERR;
72 126
73# read virtual server time, if available 127# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 128unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 129 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 130 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 131 $RUNTIME = <$fh> + 0.;
78} 132}
79 133
80mkdir cf::localdir; 134mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 135 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 136
86our $EMERGENCY_POSITION; 137our $EMERGENCY_POSITION;
138
139sub cf::map::normalise;
87 140
88############################################################################# 141#############################################################################
89 142
90=head2 GLOBAL VARIABLES 143=head2 GLOBAL VARIABLES
91 144
98=item $cf::RUNTIME 151=item $cf::RUNTIME
99 152
100The time this server has run, starts at 0 and is increased by $cf::TICK on 153The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 154every server tick.
102 155
103=item $cf::LIBDIR 156=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 159
105The perl library directory, where extensions and cf-specific modules can 160Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 161directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162unique-items directory, player file directory, random maps directory and
163database environment.
107 164
108=item $cf::NOW 165=item $cf::NOW
109 166
110The time of the last (current) server tick. 167The time of the last (current) server tick.
111 168
112=item $cf::TICK 169=item $cf::TICK
113 170
114The interval between server ticks, in seconds. 171The interval between server ticks, in seconds.
115 172
173=item $cf::LOADAVG
174
175The current CPU load on the server (alpha-smoothed), as a value between 0
176(none) and 1 (overloaded), indicating how much time is spent on processing
177objects per tick. Healthy values are < 0.5.
178
179=item $cf::LOAD
180
181The raw value load value from the last tick.
182
116=item %cf::CFG 183=item %cf::CFG
117 184
118Configuration for the server, loaded from C</etc/crossfire/config>, or 185Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 186from wherever your confdir points to.
120 187
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 188=item cf::wait_for_tick, cf::wait_for_tick_begin
122 189
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 190These 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 191returns 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 192per 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. 193
194=item @cf::INVOKE_RESULTS
195
196This array contains the results of the last C<invoke ()> call. When
197C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198that call.
127 199
128=back 200=back
129 201
130=cut 202=cut
131 203
132BEGIN { 204BEGIN {
133 *CORE::GLOBAL::warn = sub { 205 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 206 my $msg = join "", @_;
135 utf8::encode $msg;
136 207
137 $msg .= "\n" 208 $msg .= "\n"
138 unless $msg =~ /\n$/; 209 unless $msg =~ /\n$/;
139 210
211 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212
140 LOG llevError, $msg; 213 LOG llevError, $msg;
141 }; 214 };
142} 215}
216
217$Coro::State::DIEHOOK = sub {
218 return unless $^S eq 0; # "eq", not "=="
219
220 if ($Coro::current == $Coro::main) {#d#
221 warn "DIEHOOK called in main context, Coro bug?\n";#d#
222 return;#d#
223 }#d#
224
225 # kill coroutine otherwise
226 warn Carp::longmess $_[0];
227 Coro::terminate
228};
229
230$SIG{__DIE__} = sub { }; #d#?
143 231
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 232@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 233@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 234@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 235@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 236@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
237@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 238@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 239
151# we bless all objects into (empty) derived classes to force a method lookup 240# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 241# within the Safe compartment.
153for my $pkg (qw( 242for my $pkg (qw(
154 cf::global cf::attachable 243 cf::global cf::attachable
159)) { 248)) {
160 no strict 'refs'; 249 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 250 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 251}
163 252
164$Event::DIED = sub { 253$EV::DIED = sub {
165 warn "error in event callback: @_"; 254 warn "error in event callback: @_";
166}; 255};
256
257#############################################################################
167 258
168=head2 UTILITY FUNCTIONS 259=head2 UTILITY FUNCTIONS
169 260
170=over 4 261=over 4
171 262
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 281 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 282 $d
192 } || "[unable to dump $_[0]: '$@']"; 283 } || "[unable to dump $_[0]: '$@']";
193} 284}
194 285
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 286=item $ref = cf::decode_json $json
198 287
199Converts a JSON string into the corresponding perl data structure. 288Converts a JSON string into the corresponding perl data structure.
200 289
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 290=item $json = cf::encode_json $ref
209 291
210Converts a perl data structure into its JSON representation. 292Converts a perl data structure into its JSON representation.
211 293
212=cut 294=cut
213 295
214sub to_json($) { 296our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 297
216 JSON::Syck::Dump $_[0] 298sub encode_json($) { $json_coder->encode ($_[0]) }
217} 299sub decode_json($) { $json_coder->decode ($_[0]) }
218 300
219=item cf::lock_wait $string 301=item cf::lock_wait $string
220 302
221Wait until the given lock is available. See cf::lock_acquire. 303Wait until the given lock is available. See cf::lock_acquire.
222 304
225Wait until the given lock is available and then acquires it and returns 307Wait 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, 308a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 309for example when the coroutine gets canceled), the lock is automatically
228returned. 310returned.
229 311
312Locks are *not* recursive, locking from the same coro twice results in a
313deadlocked coro.
314
230Lock names should begin with a unique identifier (for example, cf::map::find 315Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 316uses map_find and cf::map::load uses map_load).
232 317
318=item $locked = cf::lock_active $string
319
320Return true if the lock is currently active, i.e. somebody has locked it.
321
233=cut 322=cut
234 323
235our %LOCK; 324our %LOCK;
325our %LOCKER;#d#
236 326
237sub lock_wait($) { 327sub lock_wait($) {
238 my ($key) = @_; 328 my ($key) = @_;
329
330 if ($LOCKER{$key} == $Coro::current) {#d#
331 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332 return;#d#
333 }#d#
239 334
240 # wait for lock, if any 335 # wait for lock, if any
241 while ($LOCK{$key}) { 336 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 337 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 338 Coro::schedule;
249 344
250 # wait, to be sure we are not locked 345 # wait, to be sure we are not locked
251 lock_wait $key; 346 lock_wait $key;
252 347
253 $LOCK{$key} = []; 348 $LOCK{$key} = [];
349 $LOCKER{$key} = $Coro::current;#d#
254 350
255 Coro::guard { 351 Coro::guard {
352 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 353 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 354 $_->ready for @{ delete $LOCK{$key} };
258 } 355 }
259} 356}
260 357
358sub lock_active($) {
359 my ($key) = @_;
360
361 ! ! $LOCK{$key}
362}
363
261sub freeze_mainloop { 364sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 365 tick_inhibit_inc;
263 366
264 my $guard = Coro::guard { 367 Coro::guard \&tick_inhibit_dec;
265 $TICK_WATCHER->start; 368}
266 $WRITE_RUNTIME_WATCHER->start; 369
370=item cf::periodic $interval, $cb
371
372Like EV::periodic, but randomly selects a starting point so that the actions
373get spread over timer.
374
375=cut
376
377sub periodic($$) {
378 my ($interval, $cb) = @_;
379
380 my $start = rand List::Util::min 180, $interval;
381
382 EV::periodic $start, $interval, 0, $cb
383}
384
385=item cf::get_slot $time[, $priority[, $name]]
386
387Allocate $time seconds of blocking CPU time at priority C<$priority>:
388This call blocks and returns only when you have at least C<$time> seconds
389of cpu time till the next tick. The slot is only valid till the next cede.
390
391The optional C<$name> can be used to identify the job to run. It might be
392used for statistical purposes and should identify the same time-class.
393
394Useful for short background jobs.
395
396=cut
397
398our @SLOT_QUEUE;
399our $SLOT_QUEUE;
400
401$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402$SLOT_QUEUE = Coro::async {
403 $Coro::current->desc ("timeslot manager");
404
405 my $signal = new Coro::Signal;
406
407 while () {
408 next_job:
409 my $avail = cf::till_tick;
410 if ($avail > 0.01) {
411 for (0 .. $#SLOT_QUEUE) {
412 if ($SLOT_QUEUE[$_][0] < $avail) {
413 my $job = splice @SLOT_QUEUE, $_, 1, ();
414 $job->[2]->send;
415 Coro::cede;
416 goto next_job;
417 }
418 }
419 }
420
421 if (@SLOT_QUEUE) {
422 # we do not use wait_for_tick() as it returns immediately when tick is inactive
423 push @cf::WAIT_FOR_TICK, $signal;
424 $signal->wait;
425 } else {
426 Coro::schedule;
427 }
267 }; 428 }
268 $WRITE_RUNTIME_WATCHER->stop; 429};
269 $TICK_WATCHER->stop; 430
270 $guard 431sub get_slot($;$$) {
432 my ($time, $pri, $name) = @_;
433
434 $time = $TICK * .6 if $time > $TICK * .6;
435 my $sig = new Coro::Signal;
436
437 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439 $SLOT_QUEUE->ready;
440 $sig->wait;
271} 441}
272 442
273=item cf::async { BLOCK } 443=item cf::async { BLOCK }
274 444
275Currently the same as Coro::async_pool, meaning you cannot use 445Currently the same as Coro::async_pool, meaning you cannot use
280 450
281BEGIN { *async = \&Coro::async_pool } 451BEGIN { *async = \&Coro::async_pool }
282 452
283=item cf::sync_job { BLOCK } 453=item cf::sync_job { BLOCK }
284 454
285The design of crossfire+ requires that the main coro ($Coro::main) is 455The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 456is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 457partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
458acceptable.
288 459
289If it must be done, put the blocking parts into C<sync_job>. This will run 460If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 461the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 462server will be frozen during this time, so the block should either finish
292fast or be very important. 463fast or be very important.
295 466
296sub sync_job(&) { 467sub sync_job(&) {
297 my ($job) = @_; 468 my ($job) = @_;
298 469
299 if ($Coro::current == $Coro::main) { 470 if ($Coro::current == $Coro::main) {
471 my $time = EV::time;
472
300 # this is the main coro, too bad, we have to block 473 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 474 # till the operation succeeds, freezing the server :/
302 475
303 # TODO: use suspend/resume instead 476 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 477
305 my $freeze_guard = freeze_mainloop; 478 my $freeze_guard = freeze_mainloop;
306 479
307 my $busy = 1; 480 my $busy = 1;
308 my @res; 481 my @res;
309 482
310 (async { 483 (async {
484 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 485 @res = eval { $job->() };
312 warn $@ if $@; 486 warn $@ if $@;
313 undef $busy; 487 undef $busy;
314 })->prio (Coro::PRIO_MAX); 488 })->prio (Coro::PRIO_MAX);
315 489
316 while ($busy) { 490 while ($busy) {
317 Coro::cede or Event::one_event; 491 if (Coro::nready) {
492 Coro::cede_notself;
493 } else {
494 EV::loop EV::LOOP_ONESHOT;
318 } 495 }
496 }
497
498 my $time = EV::time - $time;
499
500 $TICK_START += $time; # do not account sync jobs to server load
319 501
320 wantarray ? @res : $res[0] 502 wantarray ? @res : $res[0]
321 } else { 503 } else {
322 # we are in another coroutine, how wonderful, everything just works 504 # we are in another coroutine, how wonderful, everything just works
323 505
343 $EXT_CORO{$coro+0} = $coro; 525 $EXT_CORO{$coro+0} = $coro;
344 526
345 $coro 527 $coro
346} 528}
347 529
348sub write_runtime { 530=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 531
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 532Executes the given code block with the given arguments in a seperate
352 or return; 533process, returning the results. Everything must be serialisable with
534Coro::Storable. May, of course, block. Note that the executed sub may
535never block itself or use any form of event handling.
353 536
354 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 537=cut
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return;
357 538
358 aio_fsync $fh 539sub fork_call(&@) {
359 and return; 540 my ($cb, @args) = @_;
360 541
361 close $fh 542 # we seemingly have to make a local copy of the whole thing,
362 or return; 543 # otherwise perl prematurely frees the stuff :/
544 # TODO: investigate and fix (likely this will be rather laborious)
363 545
364 aio_rename "$runtime~", $runtime 546 my @res = Coro::Util::fork_eval {
365 and return; 547 reset_signals;
548 &$cb
549 }, @args;
366 550
551 wantarray ? @res : $res[-1]
552}
553
554=item $value = cf::db_get $family => $key
555
556Returns a single value from the environment database.
557
558=item cf::db_put $family => $key => $value
559
560Stores the given C<$value> in the family. It can currently store binary
561data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
562
563=item $db = cf::db_table "name"
564
565Create and/or open a new database table. The string must not be "db" and must be unique
566within each server.
567
568=cut
569
570sub db_table($) {
571 my ($name) = @_;
572 my $db = BDB::db_create $DB_ENV;
573
574 eval {
575 $db->set_flags (BDB::CHKSUM);
576
577 utf8::encode $name;
578 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
579 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
580 cf::cleanup "db_open(db): $!" if $!;
581 };
582 cf::cleanup "db_open(db): $@" if $@;
583
584 $db
585}
586
587our $DB;
588
589sub db_init {
590 cf::sync_job {
591 $DB ||= db_table "db";
592 };
593}
594
595sub db_get($$) {
596 my $key = "$_[0]/$_[1]";
597
598 cf::sync_job {
599 BDB::db_get $DB, undef, $key, my $data;
600
601 $! ? ()
602 : $data
367 1 603 }
604}
605
606sub db_put($$$) {
607 BDB::dbreq_pri 4;
608 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
609}
610
611=item cf::cache $id => [$paths...], $processversion => $process
612
613Generic caching function that returns the value of the resource $id,
614caching and regenerating as required.
615
616This function can block.
617
618=cut
619
620sub cache {
621 my ($id, $src, $processversion, $process) = @_;
622
623 my $meta =
624 join "\x00",
625 $processversion,
626 map {
627 aio_stat $_
628 and Carp::croak "$_: $!";
629
630 ($_, (stat _)[7,9])
631 } @$src;
632
633 my $dbmeta = db_get cache => "$id/meta";
634 if ($dbmeta ne $meta) {
635 # changed, we may need to process
636
637 my @data;
638 my $md5;
639
640 for (0 .. $#$src) {
641 0 <= aio_load $src->[$_], $data[$_]
642 or Carp::croak "$src->[$_]: $!";
643 }
644
645 # if processing is expensive, check
646 # checksum first
647 if (1) {
648 $md5 =
649 join "\x00",
650 $processversion,
651 map {
652 cf::cede_to_tick;
653 ($src->[$_], Digest::MD5::md5_hex $data[$_])
654 } 0.. $#$src;
655
656
657 my $dbmd5 = db_get cache => "$id/md5";
658 if ($dbmd5 eq $md5) {
659 db_put cache => "$id/meta", $meta;
660
661 return db_get cache => "$id/data";
662 }
663 }
664
665 my $t1 = Time::HiRes::time;
666 my $data = $process->(\@data);
667 my $t2 = Time::HiRes::time;
668
669 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
670
671 db_put cache => "$id/data", $data;
672 db_put cache => "$id/md5" , $md5;
673 db_put cache => "$id/meta", $meta;
674
675 return $data;
676 }
677
678 db_get cache => "$id/data"
679}
680
681=item cf::datalog type => key => value, ...
682
683Log a datalog packet of the given type with the given key-value pairs.
684
685=cut
686
687sub datalog($@) {
688 my ($type, %kv) = @_;
689 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368} 690}
369 691
370=back 692=back
371 693
372=cut 694=cut
379attach callbacks/event handlers (a collection of which is called an "attachment") 701attach callbacks/event handlers (a collection of which is called an "attachment")
380to it. All such attachable objects support the following methods. 702to it. All such attachable objects support the following methods.
381 703
382In the following description, CLASS can be any of C<global>, C<object> 704In 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 705C<player>, C<client> or C<map> (i.e. the attachable objects in
384crossfire+). 706Deliantra).
385 707
386=over 4 708=over 4
387 709
388=item $attachable->attach ($attachment, key => $value...) 710=item $attachable->attach ($attachment, key => $value...)
389 711
552 $registry = $CB_TYPE[$object_type] ||= []; 874 $registry = $CB_TYPE[$object_type] ||= [];
553 875
554 } elsif ($type eq "subtype") { 876 } elsif ($type eq "subtype") {
555 defined $object_type or Carp::croak "subtype specified without type"; 877 defined $object_type or Carp::croak "subtype specified without type";
556 my $object_subtype = shift @arg; 878 my $object_subtype = shift @arg;
557 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 879 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558 880
559 } elsif ($type eq "package") { 881 } elsif ($type eq "package") {
560 my $pkg = shift @arg; 882 my $pkg = shift @arg;
561 883
562 while (my ($name, $id) = each %cb_id) { 884 while (my ($name, $id) = each %cb_id) {
591 _attach $registry, $klass, @attach; 913 _attach $registry, $klass, @attach;
592 } 914 }
593 915
594 $obj->{$name} = \%arg; 916 $obj->{$name} = \%arg;
595 } else { 917 } else {
596 warn "object uses attachment '$name' that is not available, postponing.\n"; 918 warn "object uses attachment '$name' which is not available, postponing.\n";
597 } 919 }
598 920
599 $obj->{_attachment}{$name} = undef; 921 $obj->{_attachment}{$name} = undef;
600} 922}
601 923
603 if (ref $_[0]) { 925 if (ref $_[0]) {
604 _object_attach @_; 926 _object_attach @_;
605 } else { 927 } else {
606 _attach shift->_attach_registry, @_; 928 _attach shift->_attach_registry, @_;
607 } 929 }
930 _recalc_want;
608}; 931};
609 932
610# all those should be optimised 933# all those should be optimised
611sub cf::attachable::detach { 934sub cf::attachable::detach {
612 my ($obj, $name) = @_; 935 my ($obj, $name) = @_;
615 delete $obj->{_attachment}{$name}; 938 delete $obj->{_attachment}{$name};
616 reattach ($obj); 939 reattach ($obj);
617 } else { 940 } else {
618 Carp::croak "cannot, currently, detach class attachments"; 941 Carp::croak "cannot, currently, detach class attachments";
619 } 942 }
943 _recalc_want;
620}; 944};
621 945
622sub cf::attachable::attached { 946sub cf::attachable::attached {
623 my ($obj, $name) = @_; 947 my ($obj, $name) = @_;
624 948
639 "; 963 ";
640 die if $@; 964 die if $@;
641} 965}
642 966
643our $override; 967our $override;
644our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 968our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645 969
646sub override { 970sub override {
647 $override = 1; 971 $override = 1;
648 @invoke_results = (); 972 @INVOKE_RESULTS = (@_);
649} 973}
650 974
651sub do_invoke { 975sub do_invoke {
652 my $event = shift; 976 my $event = shift;
653 my $callbacks = shift; 977 my $callbacks = shift;
654 978
655 @invoke_results = (); 979 @INVOKE_RESULTS = ();
656 980
657 local $override; 981 local $override;
658 982
659 for (@$callbacks) { 983 for (@$callbacks) {
660 eval { &{$_->[1]} }; 984 eval { &{$_->[1]} };
669 } 993 }
670 994
671 0 995 0
672} 996}
673 997
674=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 998=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675 999
676=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1000=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677 1001
678Generate an object-specific event with the given arguments. 1002Generate an object-specific event with the given arguments.
679 1003
680This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1004This 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 1005removed in future versions), and there is no public API to access override
682results (if you must, access C<@cf::invoke_results> directly). 1006results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683 1007
684=back 1008=back
685 1009
686=cut 1010=cut
687 1011
688############################################################################# 1012#############################################################################
689# object support 1013# object support
1014
1015sub _object_equal($$);
1016sub _object_equal($$) {
1017 my ($a, $b) = @_;
1018
1019 return 0 unless (ref $a) eq (ref $b);
1020
1021 if ("HASH" eq ref $a) {
1022 my @ka = keys %$a;
1023 my @kb = keys %$b;
1024
1025 return 0 if @ka != @kb;
1026
1027 for (0 .. $#ka) {
1028 return 0 unless $ka[$_] eq $kb[$_];
1029 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1030 }
1031
1032 } elsif ("ARRAY" eq ref $a) {
1033
1034 return 0 if @$a != @$b;
1035
1036 for (0 .. $#$a) {
1037 return 0 unless _object_equal $a->[$_], $b->[$_];
1038 }
1039
1040 } elsif ($a ne $b) {
1041 return 0;
1042 }
1043
1044 1
1045}
1046
1047our $SLOW_MERGES;#d#
1048sub _can_merge {
1049 my ($ob1, $ob2) = @_;
1050
1051 ++$SLOW_MERGES;#d#
1052
1053 # we do the slow way here
1054 return _object_equal $ob1, $ob2
1055}
690 1056
691sub reattach { 1057sub reattach {
692 # basically do the same as instantiate, without calling instantiate 1058 # basically do the same as instantiate, without calling instantiate
693 my ($obj) = @_; 1059 my ($obj) = @_;
694 1060
715cf::attachable->attach ( 1081cf::attachable->attach (
716 prio => -1000000, 1082 prio => -1000000,
717 on_instantiate => sub { 1083 on_instantiate => sub {
718 my ($obj, $data) = @_; 1084 my ($obj, $data) = @_;
719 1085
720 $data = from_json $data; 1086 $data = decode_json $data;
721 1087
722 for (@$data) { 1088 for (@$data) {
723 my ($name, $args) = @$_; 1089 my ($name, $args) = @$_;
724 1090
725 $obj->attach ($name, %{$args || {} }); 1091 $obj->attach ($name, %{$args || {} });
741sub object_freezer_save { 1107sub object_freezer_save {
742 my ($filename, $rdata, $objs) = @_; 1108 my ($filename, $rdata, $objs) = @_;
743 1109
744 sync_job { 1110 sync_job {
745 if (length $$rdata) { 1111 if (length $$rdata) {
1112 utf8::decode (my $decname = $filename);
746 warn sprintf "saving %s (%d,%d)\n", 1113 warn sprintf "saving %s (%d,%d)\n",
747 $filename, length $$rdata, scalar @$objs; 1114 $decname, length $$rdata, scalar @$objs;
748 1115
749 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1116 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750 chmod SAVE_MODE, $fh; 1117 chmod SAVE_MODE, $fh;
751 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1118 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752 aio_fsync $fh; 1119 aio_fsync $fh if $cf::USE_FSYNC;
753 close $fh; 1120 close $fh;
754 1121
755 if (@$objs) { 1122 if (@$objs) {
756 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1123 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757 chmod SAVE_MODE, $fh; 1124 chmod SAVE_MODE, $fh;
758 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1125 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759 aio_write $fh, 0, (length $data), $data, 0; 1126 aio_write $fh, 0, (length $data), $data, 0;
760 aio_fsync $fh; 1127 aio_fsync $fh if $cf::USE_FSYNC;
761 close $fh; 1128 close $fh;
762 aio_rename "$filename.pst~", "$filename.pst"; 1129 aio_rename "$filename.pst~", "$filename.pst";
763 } 1130 }
764 } else { 1131 } else {
765 aio_unlink "$filename.pst"; 1132 aio_unlink "$filename.pst";
771 } 1138 }
772 } else { 1139 } else {
773 aio_unlink $filename; 1140 aio_unlink $filename;
774 aio_unlink "$filename.pst"; 1141 aio_unlink "$filename.pst";
775 } 1142 }
776 } 1143 };
777} 1144}
778 1145
779sub object_freezer_as_string { 1146sub object_freezer_as_string {
780 my ($rdata, $objs) = @_; 1147 my ($rdata, $objs) = @_;
781 1148
793 or return; 1160 or return;
794 1161
795 unless (aio_stat "$filename.pst") { 1162 unless (aio_stat "$filename.pst") {
796 (aio_load "$filename.pst", $av) >= 0 1163 (aio_load "$filename.pst", $av) >= 0
797 or return; 1164 or return;
1165
798 $av = eval { (Storable::thaw $av)->{objs} }; 1166 my $st = eval { Coro::Storable::thaw $av };
1167 $av = $st->{objs};
799 } 1168 }
800 1169
1170 utf8::decode (my $decname = $filename);
801 warn sprintf "loading %s (%d)\n", 1171 warn sprintf "loading %s (%d,%d)\n",
802 $filename, length $data, scalar @{$av || []};#d# 1172 $decname, length $data, scalar @{$av || []};
1173
803 return ($data, $av); 1174 ($data, $av)
804} 1175}
1176
1177=head2 COMMAND CALLBACKS
1178
1179=over 4
1180
1181=cut
805 1182
806############################################################################# 1183#############################################################################
807# command handling &c 1184# command handling &c
808 1185
809=item cf::register_command $name => \&callback($ob,$args); 1186=item cf::register_command $name => \&callback($ob,$args);
822 push @{ $COMMAND{$name} }, [$caller, $cb]; 1199 push @{ $COMMAND{$name} }, [$caller, $cb];
823} 1200}
824 1201
825=item cf::register_extcmd $name => \&callback($pl,$packet); 1202=item cf::register_extcmd $name => \&callback($pl,$packet);
826 1203
827Register a callbackf ro execution when the client sends an extcmd packet. 1204Register a callback for execution when the client sends an (synchronous)
1205extcmd packet. Ext commands will be processed in the order they are
1206received by the server, like other user commands. The first argument is
1207the logged-in player. Ext commands can only be processed after a player
1208has logged in successfully.
828 1209
829If the callback returns something, it is sent back as if reply was being 1210If the callback returns something, it is sent back as if reply was being
830called. 1211called.
831 1212
1213=item cf::register_exticmd $name => \&callback($ns,$packet);
1214
1215Register a callback for execution when the client sends an (asynchronous)
1216exticmd packet. Exti commands are processed by the server as soon as they
1217are received, i.e. out of order w.r.t. other commands. The first argument
1218is a client socket. Exti commands can be received anytime, even before
1219log-in.
1220
1221If the callback returns something, it is sent back as if reply was being
1222called.
1223
832=cut 1224=cut
833 1225
834sub register_extcmd { 1226sub register_extcmd {
835 my ($name, $cb) = @_; 1227 my ($name, $cb) = @_;
836 1228
837 $EXTCMD{$name} = $cb; 1229 $EXTCMD{$name} = $cb;
1230}
1231
1232sub register_exticmd {
1233 my ($name, $cb) = @_;
1234
1235 $EXTICMD{$name} = $cb;
838} 1236}
839 1237
840cf::player->attach ( 1238cf::player->attach (
841 on_command => sub { 1239 on_command => sub {
842 my ($pl, $name, $params) = @_; 1240 my ($pl, $name, $params) = @_;
851 cf::override; 1249 cf::override;
852 }, 1250 },
853 on_extcmd => sub { 1251 on_extcmd => sub {
854 my ($pl, $buf) = @_; 1252 my ($pl, $buf) = @_;
855 1253
856 my $msg = eval { from_json $buf }; 1254 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857 1255
858 if (ref $msg) { 1256 if (ref $msg) {
1257 my ($type, $reply, @payload) =
1258 "ARRAY" eq ref $msg
1259 ? @$msg
1260 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1261
1262 my @reply;
1263
859 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1264 if (my $cb = $EXTCMD{$type}) {
860 if (my %reply = $cb->($pl, $msg)) { 1265 @reply = $cb->($pl, @payload);
861 $pl->ext_reply ($msg->{msgid}, %reply);
862 }
863 } 1266 }
1267
1268 $pl->ext_reply ($reply, @reply)
1269 if $reply;
1270
864 } else { 1271 } else {
865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1272 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866 } 1273 }
867 1274
868 cf::override; 1275 cf::override;
869 }, 1276 },
870); 1277);
871 1278
872sub load_extension {
873 my ($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 { 1279sub load_extensions {
1280 cf::sync_job {
1281 my %todo;
1282
907 for my $ext (<$LIBDIR/*.ext>) { 1283 for my $path (<$LIBDIR/*.ext>) {
908 next unless -r $ext; 1284 next unless -r $path;
909 eval { 1285
910 load_extension $ext; 1286 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1287 my $base = $1;
1288 my $pkg = $1;
1289 $pkg =~ s/[^[:word:]]/_/g;
1290 $pkg = "ext::$pkg";
1291
1292 open my $fh, "<:utf8", $path
1293 or die "$path: $!";
1294
1295 my $source = do { local $/; <$fh> };
1296
1297 my %ext = (
1298 path => $path,
1299 base => $base,
1300 pkg => $pkg,
1301 );
1302
1303 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305
1306 $ext{source} =
1307 "package $pkg; use strict; use utf8;\n"
1308 . "#line 1 \"$path\"\n{\n"
1309 . $source
1310 . "\n};\n1";
1311
1312 $todo{$base} = \%ext;
1313 }
1314
1315 my %done;
1316 while (%todo) {
1317 my $progress;
1318
1319 while (my ($k, $v) = each %todo) {
1320 for (split /,\s*/, $v->{meta}{depends}) {
1321 goto skip
1322 unless exists $done{$_};
1323 }
1324
1325 warn "... loading '$k' into '$v->{pkg}'\n";
1326
1327 unless (eval $v->{source}) {
1328 my $msg = $@ ? "$v->{path}: $@\n"
1329 : "$v->{base}: extension inactive.\n";
1330
1331 if (exists $v->{meta}{mandatory}) {
1332 warn $msg;
1333 cf::cleanup "mandatory extension failed to load, exiting.";
1334 }
1335
1336 warn $msg;
1337 }
1338
1339 $done{$k} = delete $todo{$k};
1340 push @EXTS, $v->{pkg};
1341 $progress = 1;
911 1 1342 }
912 } or warn "$ext not loaded: $@"; 1343
1344 skip:
1345 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1346 unless $progress;
1347 }
913 } 1348 };
914} 1349}
915 1350
916############################################################################# 1351#############################################################################
917 1352
1353=back
1354
918=head2 CORE EXTENSIONS 1355=head2 CORE EXTENSIONS
919 1356
920Functions and methods that extend core crossfire objects. 1357Functions and methods that extend core crossfire objects.
921 1358
922=cut 1359=cut
927 1364
928=head3 cf::player 1365=head3 cf::player
929 1366
930=over 4 1367=over 4
931 1368
1369=item cf::player::num_playing
1370
1371Returns the official number of playing players, as per the Crossfire metaserver rules.
1372
1373=cut
1374
1375sub num_playing {
1376 scalar grep
1377 $_->ob->map
1378 && !$_->hidden
1379 && !$_->ob->flag (cf::FLAG_WIZ),
1380 cf::player::list
1381}
1382
932=item cf::player::find $login 1383=item cf::player::find $login
933 1384
934Returns the given player object, loading it if necessary (might block). 1385Returns the given player object, loading it if necessary (might block).
935 1386
936=cut 1387=cut
937 1388
938sub playerdir($) { 1389sub playerdir($) {
939 cf::localdir 1390 "$PLAYERDIR/"
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1391 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944} 1392}
945 1393
946sub path($) { 1394sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1395 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948 1396
949 (playerdir $login) . "/$login.pl" 1397 (playerdir $login) . "/playerdata"
950} 1398}
951 1399
952sub find_active($) { 1400sub find_active($) {
953 $cf::PLAYER{$_[0]} 1401 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active 1402 and $cf::PLAYER{$_[0]}->active
967 my $login = $_[0]; 1415 my $login = $_[0];
968 1416
969 my $guard = cf::lock_acquire "user_find:$login"; 1417 my $guard = cf::lock_acquire "user_find:$login";
970 1418
971 $cf::PLAYER{$_[0]} || do { 1419 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login 1420 # rename old playerfiles to new ones
1421 #TODO: remove when no longer required
1422 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1423 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1424 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1425 aio_unlink +(playerdir $login) . "/$login.pl";
1426
1427 my $f = new_from_file cf::object::thawer path $login
973 or return; 1428 or return;
1429
1430 my $pl = cf::player::load_pl $f
1431 or return;
1432 local $cf::PLAYER_LOADING{$login} = $pl;
1433 $f->resolve_delayed_derefs;
974 $cf::PLAYER{$login} = $pl 1434 $cf::PLAYER{$login} = $pl
975 } 1435 }
976 } 1436 }
977} 1437}
978 1438
988 1448
989 aio_mkdir playerdir $pl, 0770; 1449 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME; 1450 $pl->{last_save} = $cf::RUNTIME;
991 1451
992 $pl->save_pl ($path); 1452 $pl->save_pl ($path);
993 Coro::cede; 1453 cf::cede_to_tick;
994} 1454}
995 1455
996sub new($) { 1456sub new($) {
997 my ($login) = @_; 1457 my ($login) = @_;
998 1458
1004 $cf::PLAYER{$login} = $self; 1464 $cf::PLAYER{$login} = $self;
1005 1465
1006 $self 1466 $self
1007} 1467}
1008 1468
1469=item $player->send_msg ($channel, $msg, $color, [extra...])
1470
1471=cut
1472
1473sub send_msg {
1474 my $ns = shift->ns
1475 or return;
1476 $ns->send_msg (@_);
1477}
1478
1009=item $pl->quit_character 1479=item $pl->quit_character
1010 1480
1011Nukes the player without looking back. If logged in, the connection will 1481Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time. 1482be destroyed. May block for a long time.
1013 1483
1014=cut 1484=cut
1015 1485
1016sub quit_character { 1486sub quit_character {
1017 my ($pl) = @_; 1487 my ($pl) = @_;
1488
1489 my $name = $pl->ob->name;
1018 1490
1019 $pl->{deny_save} = 1; 1491 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir 1492 $pl->password ("*"); # this should lock out the player until we nuked the dir
1021 1493
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1494 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1027 my $path = playerdir $pl; 1499 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~"; 1500 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp; 1501 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name}; 1502 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy; 1503 $pl->destroy;
1504
1505 my $prefix = qr<^~\Q$name\E/>;
1506
1507 # nuke player maps
1508 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1509
1032 IO::AIO::aio_rmtree $temp; 1510 IO::AIO::aio_rmtree $temp;
1511}
1512
1513=item $pl->kick
1514
1515Kicks a player out of the game. This destroys the connection.
1516
1517=cut
1518
1519sub kick {
1520 my ($pl, $kicker) = @_;
1521
1522 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1523 $pl->killer ("kicked");
1524 $pl->ns->destroy;
1033} 1525}
1034 1526
1035=item cf::player::list_logins 1527=item cf::player::list_logins
1036 1528
1037Returns am arrayref of all valid playernames in the system, can take a 1529Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever. 1530while and may block, so not sync_job-capable, ever.
1039 1531
1040=cut 1532=cut
1041 1533
1042sub list_logins { 1534sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1535 my $dirs = aio_readdir $PLAYERDIR
1044 or return []; 1536 or return [];
1045 1537
1046 my @logins; 1538 my @logins;
1047 1539
1048 for my $login (@$dirs) { 1540 for my $login (@$dirs) {
1541 my $path = path $login;
1542
1543 # a .pst is a dead give-away for a valid player
1544 unless (-e "$path.pst") {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1545 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next; 1546 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag 1547 $buf !~ /^password -------------$/m or next; # official not-valid tag
1548 }
1052 1549
1053 utf8::decode $login; 1550 utf8::decode $login;
1054 push @logins, $login; 1551 push @logins, $login;
1055 } 1552 }
1056 1553
1064 1561
1065=cut 1562=cut
1066 1563
1067sub maps($) { 1564sub maps($) {
1068 my ($pl) = @_; 1565 my ($pl) = @_;
1566
1567 $pl = ref $pl ? $pl->ob->name : $pl;
1069 1568
1070 my $files = aio_readdir playerdir $pl 1569 my $files = aio_readdir playerdir $pl
1071 or return; 1570 or return;
1072 1571
1073 my @paths; 1572 my @paths;
1075 for (@$files) { 1574 for (@$files) {
1076 utf8::decode $_; 1575 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/; 1576 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o; 1577 next unless /^$PATH_SEP/o;
1079 1578
1080 s/\.map$//; 1579 push @paths, cf::map::normalise "~$pl/$_";
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 } 1580 }
1083 1581
1084 \@paths 1582 \@paths
1085} 1583}
1086 1584
1585=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1586
1587Expand crossfire pod fragments into protocol xml.
1588
1589=cut
1590
1591use re 'eval';
1592
1593my $group;
1594my $interior; $interior = qr{
1595 # match a pod interior sequence sans C<< >>
1596 (?:
1597 \ (.*?)\ (?{ $group = $^N })
1598 | < (??{$interior}) >
1599 )
1600}x;
1601
1602sub expand_cfpod {
1603 my ($self, $pod) = @_;
1604
1605 my $xml;
1606
1607 while () {
1608 if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609 $group = $1;
1610
1611 $group =~ s/&/&amp;/g;
1612 $group =~ s/</&lt;/g;
1613
1614 $xml .= $group;
1615 } elsif ($pod =~ m%\G
1616 ([BCGHITU])
1617 <
1618 (?:
1619 ([^<>]*) (?{ $group = $^N })
1620 | < $interior >
1621 )
1622 >
1623 %gcsx
1624 ) {
1625 my ($code, $data) = ($1, $group);
1626
1627 if ($code eq "B") {
1628 $xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629 } elsif ($code eq "I") {
1630 $xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631 } elsif ($code eq "U") {
1632 $xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633 } elsif ($code eq "C") {
1634 $xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635 } elsif ($code eq "T") {
1636 $xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637 } elsif ($code eq "G") {
1638 my ($male, $female) = split /\|/, $data;
1639 $data = $self->gender ? $female : $male;
1640 $xml .= expand_cfpod ($self, $data);
1641 } elsif ($code eq "H") {
1642 $xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643 "<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644 "")
1645 [$self->{hintmode}];
1646 } else {
1647 $xml .= "error processing '$code($data)' directive";
1648 }
1649 } else {
1650 if ($pod =~ /\G(.+)/) {
1651 warn "parse error while expanding $pod (at $1)";
1652 }
1653 last;
1654 }
1655 }
1656
1657 for ($xml) {
1658 # create single paragraphs (very hackish)
1659 s/(?<=\S)\n(?=\w)/ /g;
1660
1661 # compress some whitespace
1662 s/\s+\n/\n/g; # ws line-ends
1663 s/\n\n+/\n/g; # double lines
1664 s/^\n+//; # beginning lines
1665 s/\n+$//; # ending lines
1666 }
1667
1668 $xml
1669}
1670
1671no re 'eval';
1672
1673sub hintmode {
1674 $_[0]{hintmode} = $_[1] if @_ > 1;
1675 $_[0]{hintmode}
1676}
1677
1087=item $player->ext_reply ($msgid, $msgtype, %msg) 1678=item $player->ext_reply ($msgid, @msg)
1088 1679
1089Sends an ext reply to the player. 1680Sends an ext reply to the player.
1090 1681
1091=cut 1682=cut
1092 1683
1093sub ext_reply($$$%) { 1684sub ext_reply($$@) {
1094 my ($self, $id, %msg) = @_; 1685 my ($self, $id, @msg) = @_;
1095 1686
1096 $msg{msgid} = $id; 1687 $self->ns->ext_reply ($id, @msg)
1097
1098 $self->send ("ext " . cf::to_json \%msg);
1099} 1688}
1100 1689
1101package cf; 1690=item $player->ext_msg ($type, @msg)
1691
1692Sends an ext event to the client.
1693
1694=cut
1695
1696sub ext_msg($$@) {
1697 my ($self, $type, @msg) = @_;
1698
1699 $self->ns->ext_msg ($type, @msg);
1700}
1701
1702=head3 cf::region
1703
1704=over 4
1705
1706=cut
1707
1708package cf::region;
1709
1710=item cf::region::find_by_path $path
1711
1712Tries to decuce the likely region for a map knowing only its path.
1713
1714=cut
1715
1716sub find_by_path($) {
1717 my ($path) = @_;
1718
1719 my ($match, $specificity);
1720
1721 for my $region (list) {
1722 if ($region->{match} && $path =~ $region->{match}) {
1723 ($match, $specificity) = ($region, $region->specificity)
1724 if $region->specificity > $specificity;
1725 }
1726 }
1727
1728 $match
1729}
1102 1730
1103=back 1731=back
1104
1105 1732
1106=head3 cf::map 1733=head3 cf::map
1107 1734
1108=over 4 1735=over 4
1109 1736
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1764 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1765 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1766 )
1140} 1767}
1141 1768
1769=item cf::map->register ($regex, $prio)
1770
1771Register a handler for the map path matching the given regex at the
1772givne priority (higher is better, built-in handlers have priority 0, the
1773default).
1774
1775=cut
1776
1142sub register { 1777sub register {
1143 my (undef, $regex) = @_; 1778 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1779 my $pkg = caller;
1145 1780
1146 no strict; 1781 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1782 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1783
1149 $EXT_MAP{$pkg} = qr<$regex>; 1784 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1785}
1151 1786
1152# also paths starting with '/' 1787# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1788$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1789
1155sub thawer_merge { 1790sub thawer_merge {
1156 my ($self, $merge) = @_; 1791 my ($self, $merge) = @_;
1157 1792
1158 # we have to keep some variables in memory intact 1793 # we have to keep some variables in memory intact
1159 local $self->{path}; 1794 local $self->{path};
1160 local $self->{load_path}; 1795 local $self->{load_path};
1161 local $self->{deny_save};
1162 local $self->{deny_reset};
1163 1796
1164 $self->SUPER::thawer_merge ($merge); 1797 $self->SUPER::thawer_merge ($merge);
1165} 1798}
1166 1799
1167sub normalise { 1800sub normalise {
1168 my ($path, $base) = @_; 1801 my ($path, $base) = @_;
1802
1803 $path = "$path"; # make sure its a string
1804
1805 $path =~ s/\.map$//;
1169 1806
1170 # map plan: 1807 # map plan:
1171 # 1808 #
1172 # /! non-realised random map exit (special hack!) 1809 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched 1810 # {... are special paths that are not being touched
1201 1838
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1839 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203 1840
1204 $path = normalise $path, $base; 1841 $path = normalise $path, $base;
1205 1842
1206 for my $pkg (keys %EXT_MAP) { 1843 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) { 1844 if ($path =~ $EXT_MAP{$pkg}[1]) {
1208 my $self = bless cf::map::new, $pkg; 1845 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path); 1846 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc. 1847 $self->init; # pass $1 etc.
1211 return $self; 1848 return $self;
1212 } 1849 }
1213 } 1850 }
1214 1851
1215 Carp::carp "unable to resolve path '$path'."; 1852 Carp::cluck "unable to resolve path '$path' (base '$base').";
1216 () 1853 ()
1217} 1854}
1218 1855
1219sub init { 1856sub init {
1220 my ($self) = @_; 1857 my ($self) = @_;
1235 1872
1236# the original (read-only) location 1873# the original (read-only) location
1237sub load_path { 1874sub load_path {
1238 my ($self) = @_; 1875 my ($self) = @_;
1239 1876
1240 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1877 "$MAPDIR/$self->{path}.map"
1241} 1878}
1242 1879
1243# the temporary/swap location 1880# the temporary/swap location
1244sub save_path { 1881sub save_path {
1245 my ($self) = @_; 1882 my ($self) = @_;
1246 1883
1247 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1884 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1885 "$TMPDIR/$path.map"
1249} 1886}
1250 1887
1251# the unique path, undef == no special unique path 1888# the unique path, undef == no special unique path
1252sub uniq_path { 1889sub uniq_path {
1253 my ($self) = @_; 1890 my ($self) = @_;
1254 1891
1255 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1892 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1893 "$UNIQUEDIR/$path"
1257} 1894}
1258 1895
1259# and all this just because we cannot iterate over 1896# and all this just because we cannot iterate over
1260# all maps in C++... 1897# all maps in C++...
1261sub change_all_map_light { 1898sub change_all_map_light {
1263 1900
1264 $_->change_map_light ($change) 1901 $_->change_map_light ($change)
1265 for grep $_->outdoor, values %cf::MAP; 1902 for grep $_->outdoor, values %cf::MAP;
1266} 1903}
1267 1904
1905sub decay_objects {
1906 my ($self) = @_;
1907
1908 return if $self->{deny_reset};
1909
1910 $self->do_decay_objects;
1911}
1912
1268sub unlink_save { 1913sub unlink_save {
1269 my ($self) = @_; 1914 my ($self) = @_;
1270 1915
1271 utf8::encode (my $save = $self->save_path); 1916 utf8::encode (my $save = $self->save_path);
1272 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1917 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1275 1920
1276sub load_header_from($) { 1921sub load_header_from($) {
1277 my ($self, $path) = @_; 1922 my ($self, $path) = @_;
1278 1923
1279 utf8::encode $path; 1924 utf8::encode $path;
1280 aio_open $path, O_RDONLY, 0 1925 my $f = new_from_file cf::object::thawer $path
1281 or return; 1926 or return;
1282 1927
1283 $self->_load_header ($path) 1928 $self->_load_header ($f)
1284 or return; 1929 or return;
1285 1930
1931 local $MAP_LOADING{$self->{path}} = $self;
1932 $f->resolve_delayed_derefs;
1933
1286 $self->{load_path} = $path; 1934 $self->{load_path} = $path;
1287 1935
1288 1 1936 1
1289} 1937}
1290 1938
1291sub load_orig { 1939sub load_header_orig {
1292 my ($self) = @_; 1940 my ($self) = @_;
1293 1941
1294 $self->load_header_from ($self->load_path) 1942 $self->load_header_from ($self->load_path)
1295} 1943}
1296 1944
1297sub load_temp { 1945sub load_header_temp {
1298 my ($self) = @_; 1946 my ($self) = @_;
1299 1947
1300 $self->load_header_from ($self->save_path) 1948 $self->load_header_from ($self->save_path)
1949}
1950
1951sub prepare_temp {
1952 my ($self) = @_;
1953
1954 $self->last_access ((delete $self->{last_access})
1955 || $cf::RUNTIME); #d#
1956 # safety
1957 $self->{instantiate_time} = $cf::RUNTIME
1958 if $self->{instantiate_time} > $cf::RUNTIME;
1959}
1960
1961sub prepare_orig {
1962 my ($self) = @_;
1963
1964 $self->{load_original} = 1;
1965 $self->{instantiate_time} = $cf::RUNTIME;
1966 $self->last_access ($cf::RUNTIME);
1967 $self->instantiate;
1301} 1968}
1302 1969
1303sub load_header { 1970sub load_header {
1304 my ($self) = @_; 1971 my ($self) = @_;
1305 1972
1306 if ($self->load_temp) { 1973 if ($self->load_header_temp) {
1307 $self->last_access ((delete $self->{last_access}) 1974 $self->prepare_temp;
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else { 1975 } else {
1313 $self->load_orig 1976 $self->load_header_orig
1314 or return; 1977 or return;
1315 1978 $self->prepare_orig;
1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 } 1979 }
1980
1981 $self->{deny_reset} = 1
1982 if $self->no_reset;
1983
1984 $self->default_region (cf::region::find_by_path $self->{path})
1985 unless $self->default_region;
1321 1986
1322 1 1987 1
1323} 1988}
1324 1989
1325sub find; 1990sub find;
1326sub find { 1991sub find {
1327 my ($path, $origin) = @_; 1992 my ($path, $origin) = @_;
1328 1993
1329 $path = normalise $path, $origin && $origin->path; 1994 $path = normalise $path, $origin && $origin->path;
1330 1995
1996 cf::lock_wait "map_data:$path";#d#remove
1331 cf::lock_wait "map_find:$path"; 1997 cf::lock_wait "map_find:$path";
1332 1998
1333 $cf::MAP{$path} || do { 1999 $cf::MAP{$path} || do {
1334 my $guard = cf::lock_acquire "map_find:$path"; 2000 my $guard1 = cf::lock_acquire "map_find:$path";
2001 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
1335 my $map = new_from_path cf::map $path 2003 my $map = new_from_path cf::map $path
1336 or return; 2004 or return;
1337 2005
1338 $map->{last_save} = $cf::RUNTIME; 2006 $map->{last_save} = $cf::RUNTIME;
1339 2007
1340 $map->load_header 2008 $map->load_header
1341 or return; 2009 or return;
1342 2010
1343 if ($map->should_reset) { 2011 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012 # doing this can freeze the server in a sync job, obviously
1344 $cf::WAIT_FOR_TICK->wait; 2013 #$cf::WAIT_FOR_TICK->wait;
2014 undef $guard1;
2015 undef $guard2;
1345 $map->reset; 2016 $map->reset;
1346 undef $guard;
1347 $map = find $path 2017 return find $path;
1348 or return;
1349 } 2018 }
1350 2019
1351 $cf::MAP{$path} = $map 2020 $cf::MAP{$path} = $map
1352 } 2021 }
1353} 2022}
2023
2024sub pre_load { }
2025sub post_load { }
1354 2026
1355sub load { 2027sub load {
1356 my ($self) = @_; 2028 my ($self) = @_;
1357 2029
2030 local $self->{deny_reset} = 1; # loading can take a long time
2031
1358 my $path = $self->{path}; 2032 my $path = $self->{path};
2033
2034 {
1359 my $guard = cf::lock_acquire "map_load:$path"; 2035 my $guard = cf::lock_acquire "map_data:$path";
1360 2036
2037 return unless $self->valid;
1361 return if $self->in_memory != cf::MAP_SWAPPED; 2038 return unless $self->in_memory == cf::MAP_SWAPPED;
1362 2039
1363 $self->in_memory (cf::MAP_LOADING); 2040 $self->in_memory (cf::MAP_LOADING);
1364 2041
1365 $self->alloc; 2042 $self->alloc;
1366 $self->_load_objects ($self->{load_path}, 1) 2043
2044 $self->pre_load;
2045 cf::cede_to_tick;
2046
2047 my $f = new_from_file cf::object::thawer $self->{load_path};
2048 $f->skip_block;
2049 $self->_load_objects ($f)
1367 or return; 2050 or return;
1368 2051
1369 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2052 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370 if delete $self->{load_original}; 2053 if delete $self->{load_original};
1371 2054
1372 if (my $uniq = $self->uniq_path) { 2055 if (my $uniq = $self->uniq_path) {
1373 utf8::encode $uniq; 2056 utf8::encode $uniq;
1374 if (aio_open $uniq, O_RDONLY, 0) { 2057 unless (aio_stat $uniq) {
2058 if (my $f = new_from_file cf::object::thawer $uniq) {
1375 $self->clear_unique_items; 2059 $self->clear_unique_items;
1376 $self->_load_objects ($uniq, 0); 2060 $self->_load_objects ($f);
2061 $f->resolve_delayed_derefs;
2062 }
1377 } 2063 }
1378 } 2064 }
1379 2065
1380 Coro::cede; 2066 $f->resolve_delayed_derefs;
1381 2067
2068 cf::cede_to_tick;
1382 # now do the right thing for maps 2069 # now do the right thing for maps
1383 $self->link_multipart_objects; 2070 $self->link_multipart_objects;
1384
1385 unless ($self->{deny_activate}) {
1386 $self->decay_objects;
1387 $self->fix_auto_apply;
1388 $self->update_buttons;
1389 Coro::cede;
1390 $self->set_darkness_map;
1391 $self->difficulty ($self->estimate_difficulty) 2071 $self->difficulty ($self->estimate_difficulty)
1392 unless $self->difficulty; 2072 unless $self->difficulty;
1393 Coro::cede; 2073 cf::cede_to_tick;
2074
2075 unless ($self->{deny_activate}) {
2076 $self->decay_objects;
2077 $self->fix_auto_apply;
2078 $self->update_buttons;
2079 cf::cede_to_tick;
2080 $self->set_darkness_map;
2081 cf::cede_to_tick;
1394 $self->activate; 2082 $self->activate;
1395 } 2083 }
1396 2084
2085 $self->{last_save} = $cf::RUNTIME;
2086 $self->last_access ($cf::RUNTIME);
2087
1397 $self->in_memory (cf::MAP_IN_MEMORY); 2088 $self->in_memory (cf::MAP_IN_MEMORY);
2089 }
2090
2091 $self->post_load;
1398} 2092}
1399 2093
1400sub customise_for { 2094sub customise_for {
1401 my ($self, $ob) = @_; 2095 my ($self, $ob) = @_;
1402 2096
1403 return find "~" . $ob->name . "/" . $self->{path} 2097 return find "~" . $ob->name . "/" . $self->{path}
1404 if $self->per_player; 2098 if $self->per_player;
1405 2099
2100# return find "?party/" . $ob->name . "/" . $self->{path}
2101# if $self->per_party;
2102
1406 $self 2103 $self
1407} 2104}
1408 2105
1409# find and load all maps in the 3x3 area around a map 2106# find and load all maps in the 3x3 area around a map
1410sub load_diag { 2107sub load_neighbours {
1411 my ($map) = @_; 2108 my ($map) = @_;
1412 2109
1413 my @diag; # diagonal neighbours 2110 my @neigh; # diagonal neighbours
1414 2111
1415 for (0 .. 3) { 2112 for (0 .. 3) {
1416 my $neigh = $map->tile_path ($_) 2113 my $neigh = $map->tile_path ($_)
1417 or next; 2114 or next;
1418 $neigh = find $neigh, $map 2115 $neigh = find $neigh, $map
1419 or next; 2116 or next;
1420 $neigh->load; 2117 $neigh->load;
1421 2118
2119 push @neigh,
1422 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2120 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1423 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2121 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1424 } 2122 }
1425 2123
1426 for (@diag) { 2124 for (grep defined $_->[0], @neigh) {
2125 my ($path, $origin) = @$_;
1427 my $neigh = find @$_ 2126 my $neigh = find $path, $origin
1428 or next; 2127 or next;
1429 $neigh->load; 2128 $neigh->load;
1430 } 2129 }
1431} 2130}
1432 2131
1437} 2136}
1438 2137
1439sub do_load_sync { 2138sub do_load_sync {
1440 my ($map) = @_; 2139 my ($map) = @_;
1441 2140
2141 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2142 if $Coro::current == $Coro::main;
2143
1442 cf::sync_job { $map->load }; 2144 cf::sync_job { $map->load };
1443} 2145}
1444 2146
1445our %MAP_PREFETCH; 2147our %MAP_PREFETCH;
1446our $MAP_PREFETCHER = undef; 2148our $MAP_PREFETCHER = undef;
1447 2149
1448sub find_async { 2150sub find_async {
1449 my ($path, $origin) = @_; 2151 my ($path, $origin, $load) = @_;
1450 2152
1451 $path = normalise $path, $origin && $origin->{path}; 2153 $path = normalise $path, $origin && $origin->{path};
1452 2154
1453 if (my $map = $cf::MAP{$path}) { 2155 if (my $map = $cf::MAP{$path}) {
1454 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2156 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1455 } 2157 }
1456 2158
1457 undef $MAP_PREFETCH{$path}; 2159 $MAP_PREFETCH{$path} |= $load;
2160
1458 $MAP_PREFETCHER ||= cf::async { 2161 $MAP_PREFETCHER ||= cf::async {
2162 $Coro::current->{desc} = "map prefetcher";
2163
1459 while (%MAP_PREFETCH) { 2164 while (%MAP_PREFETCH) {
1460 for my $path (keys %MAP_PREFETCH) { 2165 while (my ($k, $v) = each %MAP_PREFETCH) {
1461 warn "prefetching $path...\n";#d#
1462 my $map = find $path 2166 if (my $map = find $k) {
1463 or next;
1464 $map->load; 2167 $map->load if $v;
2168 }
1465 2169
1466 delete $MAP_PREFETCH{$path}; 2170 delete $MAP_PREFETCH{$k};
1467 } 2171 }
1468 } 2172 }
1469 undef $MAP_PREFETCHER; 2173 undef $MAP_PREFETCHER;
1470 }; 2174 };
2175 $MAP_PREFETCHER->prio (6);
1471 2176
1472 () 2177 ()
1473} 2178}
1474 2179
1475sub save { 2180sub save {
1476 my ($self) = @_; 2181 my ($self) = @_;
1477 2182
1478 my $lock = cf::lock_acquire "map_data:" . $self->path; 2183 my $lock = cf::lock_acquire "map_data:$self->{path}";
1479 2184
1480 $self->{last_save} = $cf::RUNTIME; 2185 $self->{last_save} = $cf::RUNTIME;
1481 2186
1482 return unless $self->dirty; 2187 return unless $self->dirty;
1483 2188
1489 return if $self->{deny_save}; 2194 return if $self->{deny_save};
1490 2195
1491 local $self->{last_access} = $self->last_access;#d# 2196 local $self->{last_access} = $self->last_access;#d#
1492 2197
1493 cf::async { 2198 cf::async {
2199 $Coro::current->{desc} = "map player save";
1494 $_->contr->save for $self->players; 2200 $_->contr->save for $self->players;
1495 }; 2201 };
1496 2202
1497 if ($uniq) { 2203 if ($uniq) {
1498 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2204 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1506 my ($self) = @_; 2212 my ($self) = @_;
1507 2213
1508 # save first because save cedes 2214 # save first because save cedes
1509 $self->save; 2215 $self->save;
1510 2216
1511 my $lock = cf::lock_acquire "map_data:" . $self->path; 2217 my $lock = cf::lock_acquire "map_data:$self->{path}";
1512 2218
1513 return if $self->players; 2219 return if $self->players;
1514 return if $self->in_memory != cf::MAP_IN_MEMORY; 2220 return if $self->in_memory != cf::MAP_IN_MEMORY;
1515 return if $self->{deny_save}; 2221 return if $self->{deny_save};
1516 2222
2223 $self->in_memory (cf::MAP_SWAPPED);
2224
2225 $self->deactivate;
2226 $_->clear_links_to ($self) for values %cf::MAP;
1517 $self->clear; 2227 $self->clear;
1518 $self->in_memory (cf::MAP_SWAPPED);
1519} 2228}
1520 2229
1521sub reset_at { 2230sub reset_at {
1522 my ($self) = @_; 2231 my ($self) = @_;
1523 2232
1524 # TODO: safety, remove and allow resettable per-player maps 2233 # 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}; 2234 return 1e99 if $self->{deny_reset};
1527 2235
1528 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2236 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2237 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530 2238
1541 my ($self) = @_; 2249 my ($self) = @_;
1542 2250
1543 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2251 my $lock = cf::lock_acquire "map_data:$self->{path}";
1544 2252
1545 return if $self->players; 2253 return if $self->players;
1546 return if $self->isa ("ext::map_per_player");#d#
1547 2254
1548 warn "resetting map ", $self->path;#d# 2255 warn "resetting map ", $self->path;
2256
2257 $self->in_memory (cf::MAP_SWAPPED);
2258
2259 # need to save uniques path
2260 unless ($self->{deny_save}) {
2261 my $uniq = $self->uniq_path; utf8::encode $uniq;
2262
2263 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2264 if $uniq;
2265 }
1549 2266
1550 delete $cf::MAP{$self->path}; 2267 delete $cf::MAP{$self->path};
1551 2268
1552 $self->in_memory (cf::MAP_SWAPPED); 2269 $self->deactivate;
2270 $_->clear_links_to ($self) for values %cf::MAP;
1553 $self->clear; 2271 $self->clear;
1554
1555 $_->clear_links_to ($self) for values %cf::MAP;
1556 2272
1557 $self->unlink_save; 2273 $self->unlink_save;
1558 $self->destroy; 2274 $self->destroy;
1559} 2275}
1560 2276
1561my $nuke_counter = "aaaa"; 2277my $nuke_counter = "aaaa";
1562 2278
1563sub nuke { 2279sub nuke {
1564 my ($self) = @_; 2280 my ($self) = @_;
1565 2281
2282 {
2283 my $lock = cf::lock_acquire "map_data:$self->{path}";
2284
1566 delete $cf::MAP{$self->path}; 2285 delete $cf::MAP{$self->path};
1567 2286
1568 $self->unlink_save; 2287 $self->unlink_save;
1569 2288
1570 bless $self, "cf::map"; 2289 bless $self, "cf::map";
1571 delete $self->{deny_reset}; 2290 delete $self->{deny_reset};
1572 $self->{deny_save} = 1; 2291 $self->{deny_save} = 1;
1573 $self->reset_timeout (1); 2292 $self->reset_timeout (1);
1574 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2293 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575 2294
1576 $cf::MAP{$self->path} = $self; 2295 $cf::MAP{$self->path} = $self;
2296 }
1577 2297
1578 $self->reset; # polite request, might not happen 2298 $self->reset; # polite request, might not happen
2299}
2300
2301=item $maps = cf::map::tmp_maps
2302
2303Returns an arrayref with all map paths of currently instantiated and saved
2304maps. May block.
2305
2306=cut
2307
2308sub tmp_maps() {
2309 [
2310 map {
2311 utf8::decode $_;
2312 /\.map$/
2313 ? normalise $_
2314 : ()
2315 } @{ aio_readdir $TMPDIR or [] }
2316 ]
2317}
2318
2319=item $maps = cf::map::random_maps
2320
2321Returns an arrayref with all map paths of currently instantiated and saved
2322random maps. May block.
2323
2324=cut
2325
2326sub random_maps() {
2327 [
2328 map {
2329 utf8::decode $_;
2330 /\.map$/
2331 ? normalise "?random/$_"
2332 : ()
2333 } @{ aio_readdir $RANDOMDIR or [] }
2334 ]
1579} 2335}
1580 2336
1581=item cf::map::unique_maps 2337=item cf::map::unique_maps
1582 2338
1583Returns an arrayref of paths of all shared maps that have 2339Returns an arrayref of paths of all shared maps that have
1584instantiated unique items. May block. 2340instantiated unique items. May block.
1585 2341
1586=cut 2342=cut
1587 2343
1588sub unique_maps() { 2344sub unique_maps() {
1589 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2345 [
1590 or return; 2346 map {
1591
1592 my @paths;
1593
1594 for (@$files) {
1595 utf8::decode $_; 2347 utf8::decode $_;
1596 next if /\.pst$/;
1597 next unless /^$PATH_SEP/o;
1598
1599 s/\.map$//; 2348 /\.map$/
1600 push @paths, $_; 2349 ? normalise $_
2350 : ()
2351 } @{ aio_readdir $UNIQUEDIR or [] }
1601 } 2352 ]
1602
1603 \@paths
1604} 2353}
1605 2354
1606package cf; 2355package cf;
1607 2356
1608=back 2357=back
1626 map { $_, inv_recursive_ $_->inv } @_ 2375 map { $_, inv_recursive_ $_->inv } @_
1627} 2376}
1628 2377
1629sub inv_recursive { 2378sub inv_recursive {
1630 inv_recursive_ inv $_[0] 2379 inv_recursive_ inv $_[0]
2380}
2381
2382=item $ref = $ob->ref
2383
2384creates and returns a persistent reference to an objetc that can be stored as a string.
2385
2386=item $ob = cf::object::deref ($refstring)
2387
2388returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2389even if the object actually exists. May block.
2390
2391=cut
2392
2393sub deref {
2394 my ($ref) = @_;
2395
2396 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2397 my ($uuid, $name) = ($1, $2);
2398 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2399 or return;
2400 $pl->ob->uuid eq $uuid
2401 or return;
2402
2403 $pl->ob
2404 } else {
2405 warn "$ref: cannot resolve object reference\n";
2406 undef
2407 }
1631} 2408}
1632 2409
1633package cf; 2410package cf;
1634 2411
1635=back 2412=back
1654 2431
1655 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2432 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656 2433
1657 if ($self->{record_replies}) { 2434 if ($self->{record_replies}) {
1658 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2435 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2436
1659 } else { 2437 } else {
2438 my $pl = $self->contr;
2439
2440 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2441 my $dialog = $pl->{npc_dialog};
2442 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443
2444 } else {
1660 $msg = $npc->name . " says: $msg" if $npc; 2445 $msg = $npc->name . " says: $msg" if $npc;
1661 $self->message ($msg, $flags); 2446 $self->message ($msg, $flags);
2447 }
1662 } 2448 }
2449}
2450
2451=item $object->send_msg ($channel, $msg, $color, [extra...])
2452
2453=cut
2454
2455sub cf::object::send_msg {
2456 my $pl = shift->contr
2457 or return;
2458 $pl->send_msg (@_);
1663} 2459}
1664 2460
1665=item $player_object->may ("access") 2461=item $player_object->may ("access")
1666 2462
1667Returns wether the given player is authorized to access resource "access" 2463Returns wether the given player is authorized to access resource "access"
1699=cut 2495=cut
1700 2496
1701sub link_map { 2497sub link_map {
1702 unless ($LINK_MAP) { 2498 unless ($LINK_MAP) {
1703 $LINK_MAP = cf::map::find "{link}" 2499 $LINK_MAP = cf::map::find "{link}"
1704 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 2500 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705 $LINK_MAP->load; 2501 $LINK_MAP->load;
1706 } 2502 }
1707 2503
1708 $LINK_MAP 2504 $LINK_MAP
1709} 2505}
1714 $self->deactivate_recursive; 2510 $self->deactivate_recursive;
1715 2511
1716 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2512 return if UNIVERSAL::isa $self->map, "ext::map_link";
1717 2513
1718 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2514 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719 if $self->map; 2515 if $self->map && $self->map->{path} ne "{link}";
1720 2516
1721 $self->enter_map ($LINK_MAP || link_map, 20, 20); 2517 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1722} 2518}
1723 2519
1724sub cf::object::player::leave_link { 2520sub cf::object::player::leave_link {
1725 my ($self, $map, $x, $y) = @_; 2521 my ($self, $map, $x, $y) = @_;
2522
2523 return unless $self->contr->active;
1726 2524
1727 my $link_pos = delete $self->{_link_pos}; 2525 my $link_pos = delete $self->{_link_pos};
1728 2526
1729 unless ($map) { 2527 unless ($map) {
1730 # restore original map position 2528 # restore original map position
1744 # use -1 or undef as default coordinates, not 0, 0 2542 # use -1 or undef as default coordinates, not 0, 0
1745 ($x, $y) = ($map->enter_x, $map->enter_y) 2543 ($x, $y) = ($map->enter_x, $map->enter_y)
1746 if $x <=0 && $y <= 0; 2544 if $x <=0 && $y <= 0;
1747 2545
1748 $map->load; 2546 $map->load;
1749 $map->load_diag; 2547 $map->load_neighbours;
1750 2548
1751 return unless $self->contr->active; 2549 return unless $self->contr->active;
1752 $self->activate_recursive; 2550 $self->activate_recursive;
2551
2552 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753 $self->enter_map ($map, $x, $y); 2553 $self->enter_map ($map, $x, $y);
1754} 2554}
1755 2555
1756cf::player->attach ( 2556=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757 on_logout => sub {
1758 my ($pl) = @_;
1759 2557
1760 # abort map switching before logout 2558Moves the player to the given map-path and coordinates by first freezing
1761 if ($pl->ob->{_link_pos}) { 2559her, loading and preparing them map, calling the provided $check callback
1762 cf::sync_job { 2560that has to return the map if sucecssful, and then unfreezes the player on
1763 $pl->ob->leave_link 2561the new (success) or old (failed) map position. In either case, $done will
1764 }; 2562be called at the end of this process.
1765 }
1766 },
1767 on_login => sub {
1768 my ($pl) = @_;
1769 2563
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 2564=cut
2565
2566our $GOTOGEN;
1791 2567
1792sub cf::object::player::goto { 2568sub cf::object::player::goto {
1793 my ($self, $path, $x, $y) = @_; 2569 my ($self, $path, $x, $y, $check, $done) = @_;
2570
2571 # do generation counting so two concurrent goto's will be executed in-order
2572 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794 2573
1795 $self->enter_link; 2574 $self->enter_link;
1796 2575
1797 (async { 2576 (async {
1798 my $map = cf::map::find $path; 2577 $Coro::current->{desc} = "player::goto $path $x $y";
2578
2579 # *tag paths override both path and x|y
2580 if ($path =~ /^\*(.*)$/) {
2581 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2582 my $ob = $obs[rand @obs];
2583
2584 # see if we actually can go there
2585 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2586 $ob = $obs[rand @obs];
2587 } else {
2588 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2589 }
2590 # else put us there anyways for now #d#
2591
2592 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2593 } else {
2594 ($path, $x, $y) = (undef, undef, undef);
2595 }
2596 }
2597
2598 my $map = eval {
2599 my $map = defined $path ? cf::map::find $path : undef;
2600
2601 if ($map) {
1799 $map = $map->customise_for ($self) if $map; 2602 $map = $map->customise_for ($self);
1800 2603 $map = $check->($map) if $check && $map;
1801# warn "entering ", $map->path, " at ($x, $y)\n" 2604 } else {
1802# if $map;
1803
1804 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2605 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2606 }
1805 2607
2608 $map
2609 };
2610
2611 if ($@) {
2612 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2613 LOG llevError | logBacktrace, Carp::longmess $@;
2614 }
2615
2616 if ($gen == $self->{_goto_generation}) {
2617 delete $self->{_goto_generation};
1806 $self->leave_link ($map, $x, $y); 2618 $self->leave_link ($map, $x, $y);
2619 }
2620
2621 $done->() if $done;
1807 })->prio (1); 2622 })->prio (1);
1808} 2623}
1809 2624
1810=item $player_object->enter_exit ($exit_object) 2625=item $player_object->enter_exit ($exit_object)
1811 2626
1840 # that depends on the exit object 2655 # that depends on the exit object
1841 2656
1842 my $rmp = parse_random_map_params $exit->msg; 2657 my $rmp = parse_random_map_params $exit->msg;
1843 2658
1844 if ($exit->map) { 2659 if ($exit->map) {
1845 $rmp->{region} = $exit->map->region_name; 2660 $rmp->{region} = $exit->region->name;
1846 $rmp->{origin_map} = $exit->map->path; 2661 $rmp->{origin_map} = $exit->map->path;
1847 $rmp->{origin_x} = $exit->x; 2662 $rmp->{origin_x} = $exit->x;
1848 $rmp->{origin_y} = $exit->y; 2663 $rmp->{origin_y} = $exit->y;
1849 } 2664 }
1850 2665
1851 $rmp->{random_seed} ||= $exit->random_seed; 2666 $rmp->{random_seed} ||= $exit->random_seed;
1852 2667
1853 my $data = cf::to_json $rmp; 2668 my $data = cf::encode_json $rmp;
1854 my $md5 = Digest::MD5::md5_hex $data; 2669 my $md5 = Digest::MD5::md5_hex $data;
1855 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2670 my $meta = "$RANDOMDIR/$md5.meta";
1856 2671
1857 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2672 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858 aio_write $fh, 0, (length $data), $data, 0; 2673 aio_write $fh, 0, (length $data), $data, 0;
1859 undef $fh; 2674 undef $fh;
1860 aio_rename "$meta~", $meta; 2675 aio_rename "$meta~", $meta;
1867sub cf::object::player::enter_exit { 2682sub cf::object::player::enter_exit {
1868 my ($self, $exit) = @_; 2683 my ($self, $exit) = @_;
1869 2684
1870 return unless $self->type == cf::PLAYER; 2685 return unless $self->type == cf::PLAYER;
1871 2686
2687 if ($exit->slaying eq "/!") {
2688 #TODO: this should de-fi-ni-te-ly not be a sync-job
2689 # the problem is that $exit might not survive long enough
2690 # so it needs to be done right now, right here
2691 cf::sync_job { prepare_random_map $exit };
2692 }
2693
2694 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695 my $hp = $exit->stats->hp;
2696 my $sp = $exit->stats->sp;
2697
1872 $self->enter_link; 2698 $self->enter_link;
1873 2699
2700 # if exit is damned, update players death & WoR home-position
2701 $self->contr->savebed ($slaying, $hp, $sp)
2702 if $exit->flag (FLAG_DAMNED);
2703
1874 (async { 2704 (async {
2705 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2706
1875 $self->deactivate_recursive; # just to be sure 2707 $self->deactivate_recursive; # just to be sure
1876 unless (eval { 2708 unless (eval {
1877 prepare_random_map $exit 2709 $self->goto ($slaying, $hp, $sp);
1878 if $exit->slaying eq "/!";
1879
1880 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1881 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1882 2710
1883 1; 2711 1;
1884 }) { 2712 }) {
1885 $self->message ("Something went wrong deep within the crossfire server. " 2713 $self->message ("Something went wrong deep within the crossfire server. "
1886 . "I'll try to bring you back to the map you were before. " 2714 . "I'll try to bring you back to the map you were before. "
1887 . "Please report this to the dungeon master!", 2715 . "Please report this to the dungeon master!",
1888 cf::NDI_UNIQUE | cf::NDI_RED); 2716 cf::NDI_UNIQUE | cf::NDI_RED);
1889 2717
1890 warn "ERROR in enter_exit: $@"; 2718 warn "ERROR in enter_exit: $@";
1891 $self->leave_link; 2719 $self->leave_link;
1892 } 2720 }
1893 })->prio (1); 2721 })->prio (1);
1906 2734
1907sub cf::client::send_drawinfo { 2735sub cf::client::send_drawinfo {
1908 my ($self, $text, $flags) = @_; 2736 my ($self, $text, $flags) = @_;
1909 2737
1910 utf8::encode $text; 2738 utf8::encode $text;
1911 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2739 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1912} 2740}
1913 2741
2742=item $client->send_msg ($channel, $msg, $color, [extra...])
2743
2744Send a drawinfo or msg packet to the client, formatting the msg for the
2745client if neccessary. C<$type> should be a string identifying the type of
2746the message, with C<log> being the default. If C<$color> is negative, suppress
2747the message unless the client supports the msg packet.
2748
2749=cut
2750
2751# non-persistent channels (usually the info channel)
2752our %CHANNEL = (
2753 "c/identify" => {
2754 id => "infobox",
2755 title => "Identify",
2756 reply => undef,
2757 tooltip => "Items recently identified",
2758 },
2759 "c/examine" => {
2760 id => "infobox",
2761 title => "Examine",
2762 reply => undef,
2763 tooltip => "Signs and other items you examined",
2764 },
2765 "c/book" => {
2766 id => "infobox",
2767 title => "Book",
2768 reply => undef,
2769 tooltip => "The contents of a note or book",
2770 },
2771 "c/lookat" => {
2772 id => "infobox",
2773 title => "Look",
2774 reply => undef,
2775 tooltip => "What you saw there",
2776 },
2777 "c/who" => {
2778 id => "infobox",
2779 title => "Players",
2780 reply => undef,
2781 tooltip => "Shows players who are currently online",
2782 },
2783 "c/body" => {
2784 id => "infobox",
2785 title => "Body Parts",
2786 reply => undef,
2787 tooltip => "Shows which body parts you posess and are available",
2788 },
2789 "c/uptime" => {
2790 id => "infobox",
2791 title => "Uptime",
2792 reply => undef,
2793 tooltip => "How long the server has been running since last restart",
2794 },
2795 "c/mapinfo" => {
2796 id => "infobox",
2797 title => "Map Info",
2798 reply => undef,
2799 tooltip => "Information related to the maps",
2800 },
2801);
2802
2803sub cf::client::send_msg {
2804 my ($self, $channel, $msg, $color, @extra) = @_;
2805
2806 $msg = $self->pl->expand_cfpod ($msg);
2807
2808 $color &= cf::NDI_CLIENT_MASK; # just in case...
2809
2810 # check predefined channels, for the benefit of C
2811 if ($CHANNEL{$channel}) {
2812 $channel = $CHANNEL{$channel};
2813
2814 $self->ext_msg (channel_info => $channel)
2815 if $self->can_msg;
2816
2817 $channel = $channel->{id};
2818
2819 } elsif (ref $channel) {
2820 # send meta info to client, if not yet sent
2821 unless (exists $self->{channel}{$channel->{id}}) {
2822 $self->{channel}{$channel->{id}} = $channel;
2823 $self->ext_msg (channel_info => $channel)
2824 if $self->can_msg;
2825 }
2826
2827 $channel = $channel->{id};
2828 }
2829
2830 return unless @extra || length $msg;
2831
2832 if ($self->can_msg) {
2833 # default colour, mask it out
2834 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835 if $color & cf::NDI_DEF;
2836
2837 $self->send_packet ("msg " . $self->{json_coder}->encode (
2838 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
2839 } else {
2840 if ($color >= 0) {
2841 # replace some tags by gcfclient-compatible ones
2842 for ($msg) {
2843 1 while
2844 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849 }
2850
2851 $color &= cf::NDI_COLOR_MASK;
2852
2853 utf8::encode $msg;
2854
2855 if (0 && $msg =~ /\[/) {
2856 # COMMAND/INFO
2857 $self->send_packet ("drawextinfo $color 10 8 $msg")
2858 } else {
2859 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860 $self->send_packet ("drawinfo $color $msg")
2861 }
2862 }
2863 }
2864}
2865
2866=item $client->ext_msg ($type, @msg)
2867
2868Sends an ext event to the client.
2869
2870=cut
2871
2872sub cf::client::ext_msg($$@) {
2873 my ($self, $type, @msg) = @_;
2874
2875 if ($self->extcmd == 2) {
2876 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877 } elsif ($self->extcmd == 1) { # TODO: remove
2878 push @msg, msgtype => "event_$type";
2879 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880 }
2881}
2882
2883=item $client->ext_reply ($msgid, @msg)
2884
2885Sends an ext reply to the client.
2886
2887=cut
2888
2889sub cf::client::ext_reply($$@) {
2890 my ($self, $id, @msg) = @_;
2891
2892 if ($self->extcmd == 2) {
2893 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2894 } elsif ($self->extcmd == 1) {
2895 #TODO: version 1, remove
2896 unshift @msg, msgtype => "reply", msgid => $id;
2897 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2898 }
2899}
1914 2900
1915=item $success = $client->query ($flags, "text", \&cb) 2901=item $success = $client->query ($flags, "text", \&cb)
1916 2902
1917Queues a query to the client, calling the given callback with 2903Queues a query to the client, calling the given callback with
1918the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2904the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1919C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2905C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1920 2906
1921Queries can fail, so check the return code. Or don't, as queries will become 2907Queries can fail, so check the return code. Or don't, as queries will
1922reliable at some point in the future. 2908become reliable at some point in the future.
1923 2909
1924=cut 2910=cut
1925 2911
1926sub cf::client::query { 2912sub cf::client::query {
1927 my ($self, $flags, $text, $cb) = @_; 2913 my ($self, $flags, $text, $cb) = @_;
1935 utf8::encode $text; 2921 utf8::encode $text;
1936 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2922 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1937 2923
1938 $self->send_packet ($self->{query_queue}[0][0]) 2924 $self->send_packet ($self->{query_queue}[0][0])
1939 if @{ $self->{query_queue} } == 1; 2925 if @{ $self->{query_queue} } == 1;
2926
2927 1
1940} 2928}
1941 2929
1942cf::client->attach ( 2930cf::client->attach (
2931 on_connect => sub {
2932 my ($ns) = @_;
2933
2934 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2935 },
1943 on_reply => sub { 2936 on_reply => sub {
1944 my ($ns, $msg) = @_; 2937 my ($ns, $msg) = @_;
1945 2938
1946 # this weird shuffling is so that direct followup queries 2939 # this weird shuffling is so that direct followup queries
1947 # get handled first 2940 # get handled first
1948 my $queue = delete $ns->{query_queue} 2941 my $queue = delete $ns->{query_queue}
1949 or return; # be conservative, not sure how that can happen, but we saw a crash here 2942 or return; # be conservative, not sure how that can happen, but we saw a crash here
1950 2943
1951 (shift @$queue)->[1]->($msg); 2944 (shift @$queue)->[1]->($msg);
2945 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1952 2946
1953 push @{ $ns->{query_queue} }, @$queue; 2947 push @{ $ns->{query_queue} }, @$queue;
1954 2948
1955 if (@{ $ns->{query_queue} } == @$queue) { 2949 if (@{ $ns->{query_queue} } == @$queue) {
1956 if (@$queue) { 2950 if (@$queue) {
1958 } else { 2952 } else {
1959 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2953 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1960 } 2954 }
1961 } 2955 }
1962 }, 2956 },
2957 on_exticmd => sub {
2958 my ($ns, $buf) = @_;
2959
2960 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2961
2962 if (ref $msg) {
2963 my ($type, $reply, @payload) =
2964 "ARRAY" eq ref $msg
2965 ? @$msg
2966 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2967
2968 my @reply;
2969
2970 if (my $cb = $EXTICMD{$type}) {
2971 @reply = $cb->($ns, @payload);
2972 }
2973
2974 $ns->ext_reply ($reply, @reply)
2975 if $reply;
2976
2977 } else {
2978 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2979 }
2980
2981 cf::override;
2982 },
1963); 2983);
1964 2984
1965=item $client->async (\&cb) 2985=item $client->async (\&cb)
1966 2986
1967Create a new coroutine, running the specified callback. The coroutine will 2987Create a new coroutine, running the specified callback. The coroutine will
2008our $safe = new Safe "safe"; 3028our $safe = new Safe "safe";
2009our $safe_hole = new Safe::Hole; 3029our $safe_hole = new Safe::Hole;
2010 3030
2011$SIG{FPE} = 'IGNORE'; 3031$SIG{FPE} = 'IGNORE';
2012 3032
2013$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3033$safe->permit_only (Opcode::opset qw(
3034 :base_core :base_mem :base_orig :base_math
3035 grepstart grepwhile mapstart mapwhile
3036 sort time
3037));
2014 3038
2015# here we export the classes and methods available to script code 3039# here we export the classes and methods available to script code
2016 3040
2017=pod 3041=pod
2018 3042
2019The following fucntions and emthods are available within a safe environment: 3043The following functions and methods are available within a safe environment:
2020 3044
2021 cf::object contr pay_amount pay_player map 3045 cf::object
3046 contr pay_amount pay_player map x y force_find force_add destroy
3047 insert remove name archname title slaying race decrease_ob_nr
3048
2022 cf::object::player player 3049 cf::object::player
2023 cf::player peaceful 3050 player
2024 cf::map trigger 3051
3052 cf::player
3053 peaceful
3054
3055 cf::map
3056 trigger
2025 3057
2026=cut 3058=cut
2027 3059
2028for ( 3060for (
2029 ["cf::object" => qw(contr pay_amount pay_player map)], 3061 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062 insert remove inv name archname title slaying race
3063 decrease_ob_nr destroy)],
2030 ["cf::object::player" => qw(player)], 3064 ["cf::object::player" => qw(player)],
2031 ["cf::player" => qw(peaceful)], 3065 ["cf::player" => qw(peaceful)],
2032 ["cf::map" => qw(trigger)], 3066 ["cf::map" => qw(trigger)],
2033) { 3067) {
2034 no strict 'refs'; 3068 no strict 'refs';
2105=back 3139=back
2106 3140
2107=cut 3141=cut
2108 3142
2109############################################################################# 3143#############################################################################
3144# the server's init and main functions
2110 3145
2111=head2 EXTENSION DATABASE SUPPORT 3146sub load_facedata($) {
3147 my ($path) = @_;
2112 3148
2113Crossfire maintains a very simple database for extension use. It can 3149 # HACK to clear player env face cache, we need some signal framework
2114currently store anything that can be serialised using Storable, which 3150 # for this (global event?)
2115excludes objects. 3151 %ext::player_env::MUSIC_FACE_CACHE = ();
2116 3152
2117The parameter C<$family> should best start with the name of the extension 3153 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2118using it, it should be unique.
2119 3154
2120=over 4 3155 warn "loading facedata from $path\n";
2121 3156
2122=item $hashref = cf::db_get $family 3157 my $facedata;
3158 0 < aio_load $path, $facedata
3159 or die "$path: $!";
2123 3160
2124Return a hashref for use by the extension C<$family>, which can be 3161 $facedata = Coro::Storable::thaw $facedata;
2125modified. After modifications, you have to call C<cf::db_dirty> or
2126C<cf::db_sync>.
2127 3162
2128=item $value = cf::db_get $family => $key 3163 $facedata->{version} == 2
3164 or cf::cleanup "$path: version mismatch, cannot proceed.";
2129 3165
2130Returns a single value from the database 3166 # patch in the exptable
2131 3167 $facedata->{resource}{"res/exp_table"} = {
2132=item cf::db_put $family => $hashref 3168 type => FT_RSRC,
2133 3169 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2134Stores the given family hashref into the database. Updates are delayed, if
2135you want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137=item cf::db_put $family => $key => $value
2138
2139Stores the given C<$value> in the family hash. Updates are delayed, if you
2140want the data to be synced to disk immediately, use C<cf::db_sync>.
2141
2142=item cf::db_dirty
2143
2144Marks the database as dirty, to be updated at a later time.
2145
2146=item cf::db_sync
2147
2148Immediately write the database to disk I<if it is dirty>.
2149
2150=cut
2151
2152our $DB;
2153
2154{
2155 my $path = cf::localdir . "/database.pst";
2156
2157 sub db_load() {
2158 $DB = stat $path ? Storable::retrieve $path : { };
2159 }
2160
2161 my $pid;
2162
2163 sub db_save() {
2164 waitpid $pid, 0 if $pid;
2165 if (0 == ($pid = fork)) {
2166 $DB->{_meta}{version} = 1;
2167 Storable::nstore $DB, "$path~";
2168 rename "$path~", $path;
2169 cf::_exit 0 if defined $pid;
2170 }
2171 }
2172
2173 my $dirty;
2174
2175 sub db_sync() {
2176 db_save if $dirty;
2177 undef $dirty;
2178 }
2179
2180 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2181 db_sync;
2182 }); 3170 };
3171 cf::cede_to_tick;
2183 3172
2184 sub db_dirty() {
2185 $dirty = 1;
2186 $idle->start;
2187 } 3173 {
3174 my $faces = $facedata->{faceinfo};
2188 3175
2189 sub db_get($;$) { 3176 while (my ($face, $info) = each %$faces) {
2190 @_ >= 2 3177 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2191 ? $DB->{$_[0]}{$_[1]}
2192 : ($DB->{$_[0]} ||= { })
2193 }
2194 3178
2195 sub db_put($$;$) { 3179 cf::face::set_visibility $idx, $info->{visibility};
2196 if (@_ >= 3) { 3180 cf::face::set_magicmap $idx, $info->{magicmap};
2197 $DB->{$_[0]}{$_[1]} = $_[2]; 3181 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2198 } else { 3182 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2199 $DB->{$_[0]} = $_[1];
2200 }
2201 db_dirty;
2202 }
2203 3183
2204 cf::global->attach ( 3184 cf::cede_to_tick;
2205 prio => 10000,
2206 on_cleanup => sub {
2207 db_sync;
2208 }, 3185 }
2209 );
2210}
2211 3186
2212############################################################################# 3187 while (my ($face, $info) = each %$faces) {
2213# the server's main() 3188 next unless $info->{smooth};
2214 3189
2215sub cfg_load { 3190 my $idx = cf::face::find $face
3191 or next;
3192
3193 if (my $smooth = cf::face::find $info->{smooth}) {
3194 cf::face::set_smooth $idx, $smooth;
3195 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3196 } else {
3197 warn "smooth face '$info->{smooth}' not found for face '$face'";
3198 }
3199
3200 cf::cede_to_tick;
3201 }
3202 }
3203
3204 {
3205 my $anims = $facedata->{animinfo};
3206
3207 while (my ($anim, $info) = each %$anims) {
3208 cf::anim::set $anim, $info->{frames}, $info->{facings};
3209 cf::cede_to_tick;
3210 }
3211
3212 cf::anim::invalidate_all; # d'oh
3213 }
3214
3215 {
3216 # TODO: for gcfclient pleasure, we should give resources
3217 # that gcfclient doesn't grok a >10000 face index.
3218 my $res = $facedata->{resource};
3219
3220 while (my ($name, $info) = each %$res) {
3221 if (defined $info->{type}) {
3222 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223 my $data;
3224
3225 if ($info->{type} & 1) {
3226 # prepend meta info
3227
3228 my $meta = $enc->encode ({
3229 name => $name,
3230 %{ $info->{meta} || {} },
3231 });
3232
3233 $data = pack "(w/a*)*", $meta, $info->{data};
3234 } else {
3235 $data = $info->{data};
3236 }
3237
3238 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3239 cf::face::set_type $idx, $info->{type};
3240 } else {
3241 $RESOURCE{$name} = $info;
3242 }
3243
3244 cf::cede_to_tick;
3245 }
3246 }
3247
3248 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249
3250 1
3251}
3252
3253cf::global->attach (on_resource_update => sub {
3254 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3255 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3256
3257 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3258 my $sound = $soundconf->{compat}[$_]
3259 or next;
3260
3261 my $face = cf::face::find "sound/$sound->[1]";
3262 cf::sound::set $sound->[0] => $face;
3263 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3264 }
3265
3266 while (my ($k, $v) = each %{$soundconf->{event}}) {
3267 my $face = cf::face::find "sound/$v";
3268 cf::sound::set $k => $face;
3269 }
3270 }
3271});
3272
3273register_exticmd fx_want => sub {
3274 my ($ns, $want) = @_;
3275
3276 while (my ($k, $v) = each %$want) {
3277 $ns->fx_want ($k, $v);
3278 }
3279};
3280
3281sub reload_regions {
3282 # HACK to clear player env face cache, we need some signal framework
3283 # for this (global event?)
3284 %ext::player_env::MUSIC_FACE_CACHE = ();
3285
3286 load_resource_file "$MAPDIR/regions"
3287 or die "unable to load regions file\n";
3288
3289 for (cf::region::list) {
3290 $_->{match} = qr/$_->{match}/
3291 if exists $_->{match};
3292 }
3293}
3294
3295sub reload_facedata {
3296 load_facedata "$DATADIR/facedata"
3297 or die "unable to load facedata\n";
3298}
3299
3300sub reload_archetypes {
3301 load_resource_file "$DATADIR/archetypes"
3302 or die "unable to load archetypes\n";
3303 #d# NEED to laod twice to resolve forward references
3304 # this really needs to be done in an extra post-pass
3305 # (which needs to be synchronous, so solve it differently)
3306 load_resource_file "$DATADIR/archetypes"
3307 or die "unable to load archetypes\n";
3308}
3309
3310sub reload_treasures {
3311 load_resource_file "$DATADIR/treasures"
3312 or die "unable to load treasurelists\n";
3313}
3314
3315sub reload_resources {
3316 warn "reloading resource files...\n";
3317
3318 reload_regions;
3319 reload_facedata;
3320 #reload_archetypes;#d#
3321 reload_archetypes;
3322 reload_treasures;
3323
3324 warn "finished reloading resource files\n";
3325}
3326
3327sub init {
3328 reload_resources;
3329}
3330
3331sub reload_config {
2216 open my $fh, "<:utf8", cf::confdir . "/config" 3332 open my $fh, "<:utf8", "$CONFDIR/config"
2217 or return; 3333 or return;
2218 3334
2219 local $/; 3335 local $/;
2220 *CFG = YAML::Syck::Load <$fh>; 3336 *CFG = YAML::Load <$fh>;
2221 3337
2222 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3338 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2223 3339
2224 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3340 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2225 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3341 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2236sub main { 3352sub main {
2237 # we must not ever block the main coroutine 3353 # we must not ever block the main coroutine
2238 local $Coro::idle = sub { 3354 local $Coro::idle = sub {
2239 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3355 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2240 (async { 3356 (async {
2241 Event::one_event; 3357 $Coro::current->{desc} = "IDLE BUG HANDLER";
3358 EV::loop EV::LOOP_ONESHOT;
2242 })->prio (Coro::PRIO_MAX); 3359 })->prio (Coro::PRIO_MAX);
2243 }; 3360 };
2244 3361
2245 cfg_load; 3362 reload_config;
2246 db_load; 3363 db_init;
2247 load_extensions; 3364 load_extensions;
2248 3365
2249 $TICK_WATCHER->start; 3366 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3367 evthread_start IO::AIO::poll_fileno;
2250 Event::loop; 3368 EV::loop;
2251} 3369}
2252 3370
2253############################################################################# 3371#############################################################################
2254# initialisation and cleanup 3372# initialisation and cleanup
2255 3373
2256# install some emergency cleanup handlers 3374# install some emergency cleanup handlers
2257BEGIN { 3375BEGIN {
3376 our %SIGWATCHER = ();
2258 for my $signal (qw(INT HUP TERM)) { 3377 for my $signal (qw(INT HUP TERM)) {
2259 Event->signal ( 3378 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2260 data => WF_AUTOCANCEL,
2261 signal => $signal,
2262 cb => sub {
2263 cf::cleanup "SIG$signal"; 3379 cf::cleanup "SIG$signal";
2264 },
2265 ); 3380 };
3381 }
3382}
3383
3384sub write_runtime {
3385 my $runtime = "$LOCALDIR/runtime";
3386
3387 # first touch the runtime file to show we are still running:
3388 # the fsync below can take a very very long time.
3389
3390 IO::AIO::aio_utime $runtime, undef, undef;
3391
3392 my $guard = cf::lock_acquire "write_runtime";
3393
3394 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3395 or return;
3396
3397 my $value = $cf::RUNTIME + 90 + 10;
3398 # 10 is the runtime save interval, for a monotonic clock
3399 # 60 allows for the watchdog to kill the server.
3400
3401 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3402 and return;
3403
3404 # always fsync - this file is important
3405 aio_fsync $fh
3406 and return;
3407
3408 # touch it again to show we are up-to-date
3409 aio_utime $fh, undef, undef;
3410
3411 close $fh
3412 or return;
3413
3414 aio_rename "$runtime~", $runtime
3415 and return;
3416
3417 warn "runtime file written.\n";
3418
2266 } 3419 1
2267} 3420}
2268 3421
2269sub emergency_save() { 3422sub emergency_save() {
2270 my $freeze_guard = cf::freeze_mainloop; 3423 my $freeze_guard = cf::freeze_mainloop;
2271 3424
2277 # and maps saved/destroyed asynchronously. 3430 # and maps saved/destroyed asynchronously.
2278 warn "begin emergency player save\n"; 3431 warn "begin emergency player save\n";
2279 for my $login (keys %cf::PLAYER) { 3432 for my $login (keys %cf::PLAYER) {
2280 my $pl = $cf::PLAYER{$login} or next; 3433 my $pl = $cf::PLAYER{$login} or next;
2281 $pl->valid or next; 3434 $pl->valid or next;
3435 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2282 $pl->save; 3436 $pl->save;
2283 } 3437 }
2284 warn "end emergency player save\n"; 3438 warn "end emergency player save\n";
2285 3439
2286 warn "begin emergency map save\n"; 3440 warn "begin emergency map save\n";
2288 my $map = $cf::MAP{$path} or next; 3442 my $map = $cf::MAP{$path} or next;
2289 $map->valid or next; 3443 $map->valid or next;
2290 $map->save; 3444 $map->save;
2291 } 3445 }
2292 warn "end emergency map save\n"; 3446 warn "end emergency map save\n";
3447
3448 warn "begin emergency database checkpoint\n";
3449 BDB::db_env_txn_checkpoint $DB_ENV;
3450 warn "end emergency database checkpoint\n";
2293 }; 3451 };
2294 3452
2295 warn "leave emergency perl save\n"; 3453 warn "leave emergency perl save\n";
2296} 3454}
2297 3455
3456sub post_cleanup {
3457 my ($make_core) = @_;
3458
3459 warn Carp::longmess "post_cleanup backtrace"
3460 if $make_core;
3461}
3462
2298sub reload() { 3463sub do_reload_perl() {
2299 # can/must only be called in main 3464 # can/must only be called in main
2300 if ($Coro::current != $Coro::main) { 3465 if ($Coro::current != $Coro::main) {
2301 warn "can only reload from main coroutine"; 3466 warn "can only reload from main coroutine";
2302 return; 3467 return;
2303 } 3468 }
2304 3469
2305 warn "reloading..."; 3470 warn "reloading...";
2306 3471
2307 warn "cancelling server ticker"; 3472 warn "entering sync_job";
2308 $TICK_WATCHER->cancel;
2309 3473
3474 cf::sync_job {
3475 cf::write_runtime; # external watchdog should not bark
2310 cf::emergency_save; 3476 cf::emergency_save;
3477 cf::write_runtime; # external watchdog should not bark
2311 3478
2312 eval { 3479 warn "syncing database to disk";
3480 BDB::db_env_txn_checkpoint $DB_ENV;
3481
2313 # if anything goes wrong in here, we should simply crash as we already saved 3482 # if anything goes wrong in here, we should simply crash as we already saved
2314
2315 warn "syncing database to disk";
2316 cf::db_sync;
2317
2318 warn "cancelling all WF_AUTOCANCEL watchers";
2319 for (Event::all_watchers) {
2320 $_->cancel if $_->data & WF_AUTOCANCEL;
2321 }
2322 3483
2323 warn "flushing outstanding aio requests"; 3484 warn "flushing outstanding aio requests";
2324 for (;;) { 3485 for (;;) {
3486 BDB::flush;
2325 IO::AIO::flush; 3487 IO::AIO::flush;
2326 Coro::cede; 3488 Coro::cede_notself;
2327 last unless IO::AIO::nreqs; 3489 last unless IO::AIO::nreqs || BDB::nreqs;
2328 warn "iterate..."; 3490 warn "iterate...";
2329 } 3491 }
3492
3493 ++$RELOAD;
2330 3494
2331 warn "cancelling all extension coros"; 3495 warn "cancelling all extension coros";
2332 $_->cancel for values %EXT_CORO; 3496 $_->cancel for values %EXT_CORO;
2333 %EXT_CORO = (); 3497 %EXT_CORO = ();
2334 3498
2335 warn "removing commands"; 3499 warn "removing commands";
2336 %COMMAND = (); 3500 %COMMAND = ();
2337 3501
2338 warn "removing ext commands"; 3502 warn "removing ext/exti commands";
2339 %EXTCMD = (); 3503 %EXTCMD = ();
3504 %EXTICMD = ();
2340 3505
2341 warn "unloading/nuking all extensions"; 3506 warn "unloading/nuking all extensions";
2342 for my $pkg (@EXTS) { 3507 for my $pkg (@EXTS) {
2343 warn "... unloading $pkg"; 3508 warn "... unloading $pkg";
2344 3509
2374 Symbol::delete_package "safe::$_" 3539 Symbol::delete_package "safe::$_"
2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3540 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376 3541
2377 warn "unloading cf.pm \"a bit\""; 3542 warn "unloading cf.pm \"a bit\"";
2378 delete $INC{"cf.pm"}; 3543 delete $INC{"cf.pm"};
3544 delete $INC{"cf/pod.pm"};
2379 3545
2380 # don't, removes xs symbols, too, 3546 # don't, removes xs symbols, too,
2381 # and global variables created in xs 3547 # and global variables created in xs
2382 #Symbol::delete_package __PACKAGE__; 3548 #Symbol::delete_package __PACKAGE__;
2383 3549
2386 warn "reloading cf.pm"; 3552 warn "reloading cf.pm";
2387 require cf; 3553 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3554 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 3555
2390 warn "loading config and database again"; 3556 warn "loading config and database again";
2391 cf::cfg_load; 3557 cf::reload_config;
2392 cf::db_load;
2393 3558
2394 warn "loading extensions"; 3559 warn "loading extensions";
2395 cf::load_extensions; 3560 cf::load_extensions;
2396 3561
2397 warn "reattaching attachments to objects/players"; 3562 warn "reattaching attachments to objects/players";
2398 _global_reattach; 3563 _global_reattach; # objects, sockets
2399 warn "reattaching attachments to maps"; 3564 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 3565 reattach $_ for values %MAP;
3566 warn "reattaching attachments to players";
3567 reattach $_ for values %PLAYER;
2401 3568
2402 warn "restarting server ticker"; 3569 warn "leaving sync_job";
2403 3570
2404 $TICK_WATCHER->start; 3571 1
3572 } or do {
3573 warn $@;
3574 cf::cleanup "error while reloading, exiting.";
2405 }; 3575 };
2406
2407 if ($@) {
2408 warn $@;
2409 warn "error while reloading, exiting.";
2410 exit 1;
2411 }
2412 3576
2413 warn "reloaded"; 3577 warn "reloaded";
2414}; 3578};
2415 3579
2416our $RELOAD_WATCHER; # used only during reload 3580our $RELOAD_WATCHER; # used only during reload
2417 3581
3582sub reload_perl() {
3583 # doing reload synchronously and two reloads happen back-to-back,
3584 # coro crashes during coro_state_free->destroy here.
3585
3586 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3587 do_reload_perl;
3588 undef $RELOAD_WATCHER;
3589 };
3590}
3591
2418register_command "reload" => sub { 3592register_command "reload" => sub {
2419 my ($who, $arg) = @_; 3593 my ($who, $arg) = @_;
2420 3594
2421 if ($who->flag (FLAG_WIZ)) { 3595 if ($who->flag (FLAG_WIZ)) {
2422 $who->message ("reloading server."); 3596 $who->message ("reloading server.");
2423 3597 async {
2424 # doing reload synchronously and two reloads happen back-to-back, 3598 $Coro::current->{desc} = "perl_reload";
2425 # coro crashes during coro_state_free->destroy here.
2426
2427 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2428 reload; 3599 reload_perl;
2429 undef $RELOAD_WATCHER;
2430 }); 3600 };
2431 } 3601 }
2432}; 3602};
2433 3603
2434unshift @INC, $LIBDIR; 3604unshift @INC, $LIBDIR;
2435 3605
2436my $bug_warning = 0; 3606my $bug_warning = 0;
2437 3607
2438$TICK_WATCHER = Event->timer ( 3608our @WAIT_FOR_TICK;
2439 reentrant => 0, 3609our @WAIT_FOR_TICK_BEGIN;
2440 parked => 1, 3610
2441 prio => 0, 3611sub wait_for_tick {
2442 at => $NEXT_TICK || $TICK, 3612 return if tick_inhibit;
2443 data => WF_AUTOCANCEL, 3613 return if $Coro::current == $Coro::main;
2444 cb => sub { 3614
3615 my $signal = new Coro::Signal;
3616 push @WAIT_FOR_TICK, $signal;
3617 $signal->wait;
3618}
3619
3620sub wait_for_tick_begin {
3621 return if tick_inhibit;
3622 return if $Coro::current == $Coro::main;
3623
3624 my $signal = new Coro::Signal;
3625 push @WAIT_FOR_TICK_BEGIN, $signal;
3626 $signal->wait;
3627}
3628
3629sub tick {
2445 if ($Coro::current != $Coro::main) { 3630 if ($Coro::current != $Coro::main) {
2446 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3631 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2447 unless ++$bug_warning > 10; 3632 unless ++$bug_warning > 10;
2448 return; 3633 return;
2449 } 3634 }
2450 3635
2451 $NOW = Event::time;
2452
2453 cf::server_tick; # one server iteration 3636 cf::server_tick; # one server iteration
2454 $RUNTIME += $TICK;
2455 $NEXT_TICK += $TICK;
2456 3637
2457 $WAIT_FOR_TICK->broadcast; 3638 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2458 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3639 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2459 3640 Coro::async_pool {
2460 # if we are delayed by four ticks or more, skip them all 3641 $Coro::current->{desc} = "runtime saver";
2461 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2462
2463 $TICK_WATCHER->at ($NEXT_TICK);
2464 $TICK_WATCHER->start;
2465 },
2466);
2467
2468IO::AIO::max_poll_time $TICK * 0.2;
2469
2470$AIO_POLL_WATCHER = Event->io (
2471 fd => IO::AIO::poll_fileno,
2472 poll => 'r',
2473 prio => 5,
2474 data => WF_AUTOCANCEL,
2475 cb => \&IO::AIO::poll_cb,
2476);
2477
2478$WRITE_RUNTIME_WATCHER = Event->timer (
2479 data => WF_AUTOCANCEL,
2480 after => 1,
2481 interval => 10,
2482 cb => Coro::unblock_sub {
2483 write_runtime 3642 write_runtime
2484 or warn "ERROR: unable to write runtime file: $!"; 3643 or warn "ERROR: unable to write runtime file: $!";
3644 };
2485 }, 3645 }
2486); 3646
3647 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3648 $sig->send;
3649 }
3650 while (my $sig = shift @WAIT_FOR_TICK) {
3651 $sig->send;
3652 }
3653
3654 $LOAD = ($NOW - $TICK_START) / $TICK;
3655 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3656
3657 if (0) {
3658 if ($NEXT_TICK) {
3659 my $jitter = $TICK_START - $NEXT_TICK;
3660 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661 warn "jitter $JITTER\n";#d#
3662 }
3663 }
3664}
3665
3666{
3667 # configure BDB
3668
3669 BDB::min_parallel 8;
3670 BDB::max_poll_reqs $TICK * 0.1;
3671 $Coro::BDB::WATCHER->priority (1);
3672
3673 unless ($DB_ENV) {
3674 $DB_ENV = BDB::db_env_create;
3675 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3676 | BDB::LOG_AUTOREMOVE, 1);
3677 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679
3680 cf::sync_job {
3681 eval {
3682 BDB::db_env_open
3683 $DB_ENV,
3684 $BDBDIR,
3685 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3686 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3687 0666;
3688
3689 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3690 };
3691
3692 cf::cleanup "db_env_open(db): $@" if $@;
3693 };
3694 }
3695
3696 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3697 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3698 };
3699 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3700 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3701 };
3702 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3703 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3704 };
3705}
3706
3707{
3708 # configure IO::AIO
3709
3710 IO::AIO::min_parallel 8;
3711 IO::AIO::max_poll_time $TICK * 0.1;
3712 $Coro::AIO::WATCHER->priority (1);
3713}
3714
3715my $_log_backtrace;
3716
3717sub _log_backtrace {
3718 my ($msg, @addr) = @_;
3719
3720 $msg =~ s/\n//;
3721
3722 # limit the # of concurrent backtraces
3723 if ($_log_backtrace < 2) {
3724 ++$_log_backtrace;
3725 async {
3726 $Coro::current->{desc} = "abt $msg";
3727
3728 my @bt = fork_call {
3729 @addr = map { sprintf "%x", $_ } @addr;
3730 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3731 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3732 or die "addr2line: $!";
3733
3734 my @funcs;
3735 my @res = <$fh>;
3736 chomp for @res;
3737 while (@res) {
3738 my ($func, $line) = splice @res, 0, 2, ();
3739 push @funcs, "[$func] $line";
3740 }
3741
3742 @funcs
3743 };
3744
3745 LOG llevInfo, "[ABT] $msg\n";
3746 LOG llevInfo, "[ABT] $_\n" for @bt;
3747 --$_log_backtrace;
3748 };
3749 } else {
3750 LOG llevInfo, "[ABT] $msg\n";
3751 LOG llevInfo, "[ABT] [suppressed]\n";
3752 }
3753}
3754
3755# load additional modules
3756use cf::pod;
2487 3757
2488END { cf::emergency_save } 3758END { cf::emergency_save }
2489 3759
24901 37601
2491 3761

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