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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.198 by root, Sun Jan 28 01:58:37 2007 UTC vs.
Revision 1.444 by root, Mon Sep 8 11:27:25 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
24use 5.10.0;
3use utf8; 25use utf8;
4use strict; 26use strict "vars", "subs";
5 27
6use Symbol; 28use Symbol;
7use List::Util; 29use List::Util;
8use Storable; 30use Socket;
31use EV;
9use Opcode; 32use Opcode;
10use Safe; 33use Safe;
11use Safe::Hole; 34use Safe::Hole;
35use Storable ();
12 36
13use Coro 3.5 (); 37use Coro ();
38use Coro::State;
39use Coro::Handle;
40use Coro::EV;
14use Coro::Event; 41use Coro::AnyEvent;
15use Coro::Timer; 42use Coro::Timer;
16use Coro::Signal; 43use Coro::Signal;
17use Coro::Semaphore; 44use Coro::Semaphore;
45use Coro::AnyEvent;
18use Coro::AIO; 46use Coro::AIO;
47use Coro::BDB 1.6;
48use Coro::Storable;
49use Coro::Util ();
19 50
51use JSON::XS 2.01 ();
52use BDB ();
20use Data::Dumper; 53use Data::Dumper;
21use Digest::MD5; 54use Digest::MD5;
22use Fcntl; 55use Fcntl;
56use YAML ();
23use IO::AIO 2.32 (); 57use IO::AIO ();
24use YAML::Syck ();
25use Time::HiRes; 58use Time::HiRes;
59use Compress::LZF;
60use Digest::MD5 ();
26 61
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 62AnyEvent::detect;
63
64# configure various modules to our taste
65#
66$Storable::canonical = 1; # reduce rsync transfers
67Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
68Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69
70$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28 71
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 72sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32$YAML::Syck::ImplicitUnicode = 1;
33
34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35 73
36our %COMMAND = (); 74our %COMMAND = ();
37our %COMMAND_TIME = (); 75our %COMMAND_TIME = ();
38 76
39our @EXTS = (); # list of extension package names 77our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 78our %EXTCMD = ();
79our %EXTICMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 80our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 81our %EXT_MAP = (); # pluggable maps
43 82
83our $RELOAD; # number of reloads so far
44our @EVENT; 84our @EVENT;
45our $LIBDIR = datadir . "/ext";
46 85
47our $TICK = MAX_TIME * 1e-6; 86our $CONFDIR = confdir;
48our $TICK_WATCHER; 87our $DATADIR = datadir;
49our $AIO_POLL_WATCHER; 88our $LIBDIR = "$DATADIR/ext";
50our $WRITE_RUNTIME_WATCHER; 89our $PODDIR = "$DATADIR/pod";
90our $MAPDIR = "$DATADIR/" . mapdir;
91our $LOCALDIR = localdir;
92our $TMPDIR = "$LOCALDIR/" . tmpdir;
93our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95our $RANDOMDIR = "$LOCALDIR/random";
96our $BDBDIR = "$LOCALDIR/db";
97our %RESOURCE;
98
99our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 101our $NEXT_TICK;
52our $NOW; 102our $USE_FSYNC = 1; # use fsync to write maps - default off
103
104our $BDB_DEADLOCK_WATCHER;
105our $BDB_CHECKPOINT_WATCHER;
106our $BDB_TRICKLE_WATCHER;
107our $DB_ENV;
53 108
54our %CFG; 109our %CFG;
55 110
56our $UPTIME; $UPTIME ||= time; 111our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 112our $RUNTIME;
113our $NOW;
58 114
59our %PLAYER; # all users 115our (%PLAYER, %PLAYER_LOADING); # all users
60our %MAP; # all maps 116our (%MAP, %MAP_LOADING ); # all maps
61our $LINK_MAP; # the special {link} map, which is always available 117our $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;
66 118
67# used to convert map paths into valid unix filenames by replacing / by ∕ 119# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 120our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69 121
122our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123our $LOADAVG; # same thing, but with alpha-smoothing
124our $JITTER; # average jitter
125our $TICK_START; # for load detecting purposes
126
70binmode STDOUT; 127binmode STDOUT;
71binmode STDERR; 128binmode STDERR;
72 129
73# read virtual server time, if available 130# read virtual server time, if available
74unless ($RUNTIME || !-e cf::localdir . "/runtime") { 131unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75 open my $fh, "<", cf::localdir . "/runtime" 132 open my $fh, "<", "$LOCALDIR/runtime"
76 or die "unable to read runtime file: $!"; 133 or die "unable to read runtime file: $!";
77 $RUNTIME = <$fh> + 0.; 134 $RUNTIME = <$fh> + 0.;
78} 135}
79 136
80mkdir cf::localdir; 137mkdir $_
81mkdir cf::localdir . "/" . cf::playerdir; 138 for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS;
85 139
86our $EMERGENCY_POSITION; 140our $EMERGENCY_POSITION;
141
142sub cf::map::normalise;
87 143
88############################################################################# 144#############################################################################
89 145
90=head2 GLOBAL VARIABLES 146=head2 GLOBAL VARIABLES
91 147
… …
98=item $cf::RUNTIME 154=item $cf::RUNTIME
99 155
100The time this server has run, starts at 0 and is increased by $cf::TICK on 156The time this server has run, starts at 0 and is increased by $cf::TICK on
101every server tick. 157every server tick.
102 158
103=item $cf::LIBDIR 159=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104 162
105The perl library directory, where extensions and cf-specific modules can 163Various directories - "/etc", read-only install directory, perl-library
106be found. It will be added to C<@INC> automatically. 164directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165unique-items directory, player file directory, random maps directory and
166database environment.
107 167
108=item $cf::NOW 168=item $cf::NOW
109 169
110The time of the last (current) server tick. 170The time of the last (current) server tick.
111 171
112=item $cf::TICK 172=item $cf::TICK
113 173
114The interval between server ticks, in seconds. 174The interval between server ticks, in seconds.
115 175
176=item $cf::LOADAVG
177
178The current CPU load on the server (alpha-smoothed), as a value between 0
179(none) and 1 (overloaded), indicating how much time is spent on processing
180objects per tick. Healthy values are < 0.5.
181
182=item $cf::LOAD
183
184The raw value load value from the last tick.
185
116=item %cf::CFG 186=item %cf::CFG
117 187
118Configuration for the server, loaded from C</etc/crossfire/config>, or 188Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119from wherever your confdir points to. 189from wherever your confdir points to.
120 190
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE 191=item cf::wait_for_tick, cf::wait_for_tick_begin
122 192
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK) 193These 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 194returns 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 195per 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. 196
197=item @cf::INVOKE_RESULTS
198
199This array contains the results of the last C<invoke ()> call. When
200C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201that call.
127 202
128=back 203=back
129 204
130=cut 205=cut
131 206
132BEGIN { 207BEGIN {
133 *CORE::GLOBAL::warn = sub { 208 *CORE::GLOBAL::warn = sub {
134 my $msg = join "", @_; 209 my $msg = join "", @_;
135 utf8::encode $msg;
136 210
137 $msg .= "\n" 211 $msg .= "\n"
138 unless $msg =~ /\n$/; 212 unless $msg =~ /\n$/;
139 213
214 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215
140 LOG llevError, $msg; 216 LOG llevError, $msg;
141 }; 217 };
142} 218}
219
220$Coro::State::DIEHOOK = sub {
221 return unless $^S eq 0; # "eq", not "=="
222
223 if ($Coro::current == $Coro::main) {#d#
224 warn "DIEHOOK called in main context, Coro bug?\n";#d#
225 return;#d#
226 }#d#
227
228 # kill coroutine otherwise
229 warn Carp::longmess $_[0];
230 Coro::terminate
231};
232
233$SIG{__DIE__} = sub { }; #d#?
143 234
144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 235@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 236@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 237@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 238@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable'; 239@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
240@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; 241@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150 242
151# we bless all objects into (empty) derived classes to force a method lookup 243# we bless all objects into (empty) derived classes to force a method lookup
152# within the Safe compartment. 244# within the Safe compartment.
153for my $pkg (qw( 245for my $pkg (qw(
154 cf::global cf::attachable 246 cf::global cf::attachable
155 cf::object cf::object::player 247 cf::object cf::object::player
156 cf::client cf::player 248 cf::client cf::player
157 cf::arch cf::living 249 cf::arch cf::living
250 cf::map cf::mapspace
158 cf::map cf::party cf::region 251 cf::party cf::region
159)) { 252)) {
160 no strict 'refs';
161 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 253 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162} 254}
163 255
164$Event::DIED = sub { 256$EV::DIED = sub {
165 warn "error in event callback: @_"; 257 warn "error in event callback: @_";
166}; 258};
259
260#############################################################################
167 261
168=head2 UTILITY FUNCTIONS 262=head2 UTILITY FUNCTIONS
169 263
170=over 4 264=over 4
171 265
… …
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 284 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d 285 $d
192 } || "[unable to dump $_[0]: '$@']"; 286 } || "[unable to dump $_[0]: '$@']";
193} 287}
194 288
195use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197=item $ref = cf::from_json $json 289=item $ref = cf::decode_json $json
198 290
199Converts a JSON string into the corresponding perl data structure. 291Converts a JSON string into the corresponding perl data structure.
200 292
201=cut
202
203sub from_json($) {
204 $JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205 JSON::Syck::Load $_[0]
206}
207
208=item $json = cf::to_json $ref 293=item $json = cf::encode_json $ref
209 294
210Converts a perl data structure into its JSON representation. 295Converts a perl data structure into its JSON representation.
211 296
212=cut 297=cut
213 298
214sub to_json($) { 299our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 300
216 JSON::Syck::Dump $_[0] 301sub encode_json($) { $json_coder->encode ($_[0]) }
217} 302sub decode_json($) { $json_coder->decode ($_[0]) }
218 303
219=item cf::lock_wait $string 304=item cf::lock_wait $string
220 305
221Wait until the given lock is available. See cf::lock_acquire. 306Wait until the given lock is available. See cf::lock_acquire.
222 307
… …
225Wait until the given lock is available and then acquires it and returns 310Wait 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, 311a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227for example when the coroutine gets canceled), the lock is automatically 312for example when the coroutine gets canceled), the lock is automatically
228returned. 313returned.
229 314
315Locks are *not* recursive, locking from the same coro twice results in a
316deadlocked coro.
317
230Lock names should begin with a unique identifier (for example, cf::map::find 318Lock names should begin with a unique identifier (for example, cf::map::find
231uses map_find and cf::map::load uses map_load). 319uses map_find and cf::map::load uses map_load).
232 320
321=item $locked = cf::lock_active $string
322
323Return true if the lock is currently active, i.e. somebody has locked it.
324
233=cut 325=cut
234 326
235our %LOCK; 327our %LOCK;
328our %LOCKER;#d#
236 329
237sub lock_wait($) { 330sub lock_wait($) {
238 my ($key) = @_; 331 my ($key) = @_;
332
333 if ($LOCKER{$key} == $Coro::current) {#d#
334 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335 return;#d#
336 }#d#
239 337
240 # wait for lock, if any 338 # wait for lock, if any
241 while ($LOCK{$key}) { 339 while ($LOCK{$key}) {
242 push @{ $LOCK{$key} }, $Coro::current; 340 push @{ $LOCK{$key} }, $Coro::current;
243 Coro::schedule; 341 Coro::schedule;
… …
249 347
250 # wait, to be sure we are not locked 348 # wait, to be sure we are not locked
251 lock_wait $key; 349 lock_wait $key;
252 350
253 $LOCK{$key} = []; 351 $LOCK{$key} = [];
352 $LOCKER{$key} = $Coro::current;#d#
254 353
255 Coro::guard { 354 Coro::guard {
355 delete $LOCKER{$key};#d#
256 # wake up all waiters, to be on the safe side 356 # wake up all waiters, to be on the safe side
257 $_->ready for @{ delete $LOCK{$key} }; 357 $_->ready for @{ delete $LOCK{$key} };
258 } 358 }
259} 359}
260 360
361sub lock_active($) {
362 my ($key) = @_;
363
364 ! ! $LOCK{$key}
365}
366
261sub freeze_mainloop { 367sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 368 tick_inhibit_inc;
263 369
264 my $guard = Coro::guard { 370 Coro::guard \&tick_inhibit_dec;
265 $TICK_WATCHER->start; 371}
266 $WRITE_RUNTIME_WATCHER->start; 372
373=item cf::periodic $interval, $cb
374
375Like EV::periodic, but randomly selects a starting point so that the actions
376get spread over timer.
377
378=cut
379
380sub periodic($$) {
381 my ($interval, $cb) = @_;
382
383 my $start = rand List::Util::min 180, $interval;
384
385 EV::periodic $start, $interval, 0, $cb
386}
387
388=item cf::get_slot $time[, $priority[, $name]]
389
390Allocate $time seconds of blocking CPU time at priority C<$priority>:
391This call blocks and returns only when you have at least C<$time> seconds
392of cpu time till the next tick. The slot is only valid till the next cede.
393
394The optional C<$name> can be used to identify the job to run. It might be
395used for statistical purposes and should identify the same time-class.
396
397Useful for short background jobs.
398
399=cut
400
401our @SLOT_QUEUE;
402our $SLOT_QUEUE;
403
404$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405$SLOT_QUEUE = Coro::async {
406 $Coro::current->desc ("timeslot manager");
407
408 my $signal = new Coro::Signal;
409
410 while () {
411 next_job:
412 my $avail = cf::till_tick;
413 if ($avail > 0.01) {
414 for (0 .. $#SLOT_QUEUE) {
415 if ($SLOT_QUEUE[$_][0] < $avail) {
416 my $job = splice @SLOT_QUEUE, $_, 1, ();
417 $job->[2]->send;
418 Coro::cede;
419 goto next_job;
420 }
421 }
422 }
423
424 if (@SLOT_QUEUE) {
425 # we do not use wait_for_tick() as it returns immediately when tick is inactive
426 push @cf::WAIT_FOR_TICK, $signal;
427 $signal->wait;
428 } else {
429 Coro::schedule;
430 }
267 }; 431 }
268 $WRITE_RUNTIME_WATCHER->stop; 432};
269 $TICK_WATCHER->stop; 433
270 $guard 434sub get_slot($;$$) {
435 return if tick_inhibit || $Coro::current == $Coro::main;
436
437 my ($time, $pri, $name) = @_;
438
439 $time = $TICK * .6 if $time > $TICK * .6;
440 my $sig = new Coro::Signal;
441
442 push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443 @SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444 $SLOT_QUEUE->ready;
445 $sig->wait;
271} 446}
272 447
273=item cf::async { BLOCK } 448=item cf::async { BLOCK }
274 449
275Currently the same as Coro::async_pool, meaning you cannot use 450Currently the same as Coro::async_pool, meaning you cannot use
… …
280 455
281BEGIN { *async = \&Coro::async_pool } 456BEGIN { *async = \&Coro::async_pool }
282 457
283=item cf::sync_job { BLOCK } 458=item cf::sync_job { BLOCK }
284 459
285The design of crossfire+ requires that the main coro ($Coro::main) is 460The design of Deliantra requires that the main coroutine ($Coro::main)
286always able to handle events or runnable, as crossfire+ is only partly 461is always able to handle events or runnable, as Deliantra is only
287reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable. 462partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463acceptable.
288 464
289If it must be done, put the blocking parts into C<sync_job>. This will run 465If it must be done, put the blocking parts into C<sync_job>. This will run
290the given BLOCK in another coroutine while waiting for the result. The 466the given BLOCK in another coroutine while waiting for the result. The
291server will be frozen during this time, so the block should either finish 467server will be frozen during this time, so the block should either finish
292fast or be very important. 468fast or be very important.
… …
295 471
296sub sync_job(&) { 472sub sync_job(&) {
297 my ($job) = @_; 473 my ($job) = @_;
298 474
299 if ($Coro::current == $Coro::main) { 475 if ($Coro::current == $Coro::main) {
476 my $time = EV::time;
477
300 # this is the main coro, too bad, we have to block 478 # this is the main coro, too bad, we have to block
301 # till the operation succeeds, freezing the server :/ 479 # till the operation succeeds, freezing the server :/
302 480
303 # TODO: use suspend/resume instead 481 LOG llevError, Carp::longmess "sync job";#d#
304 # (but this is cancel-safe) 482
305 my $freeze_guard = freeze_mainloop; 483 my $freeze_guard = freeze_mainloop;
306 484
307 my $busy = 1; 485 my $busy = 1;
308 my @res; 486 my @res;
309 487
310 (async { 488 (async {
489 $Coro::current->desc ("sync job coro");
311 @res = eval { $job->() }; 490 @res = eval { $job->() };
312 warn $@ if $@; 491 warn $@ if $@;
313 undef $busy; 492 undef $busy;
314 })->prio (Coro::PRIO_MAX); 493 })->prio (Coro::PRIO_MAX);
315 494
316 while ($busy) { 495 while ($busy) {
317 Coro::cede or Event::one_event; 496 if (Coro::nready) {
497 Coro::cede_notself;
498 } else {
499 EV::loop EV::LOOP_ONESHOT;
318 } 500 }
501 }
502
503 my $time = EV::time - $time;
504
505 $TICK_START += $time; # do not account sync jobs to server load
319 506
320 wantarray ? @res : $res[0] 507 wantarray ? @res : $res[0]
321 } else { 508 } else {
322 # we are in another coroutine, how wonderful, everything just works 509 # we are in another coroutine, how wonderful, everything just works
323 510
… …
343 $EXT_CORO{$coro+0} = $coro; 530 $EXT_CORO{$coro+0} = $coro;
344 531
345 $coro 532 $coro
346} 533}
347 534
348sub write_runtime { 535=item fork_call { }, $args
349 my $runtime = cf::localdir . "/runtime";
350 536
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 537Executes the given code block with the given arguments in a seperate
352 or return; 538process, returning the results. Everything must be serialisable with
539Coro::Storable. May, of course, block. Note that the executed sub may
540never block itself or use any form of event handling.
353 541
354 my $value = $cf::RUNTIME + 90 + 10; 542=cut
355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357 543
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 544sub fork_call(&@) {
359 and return; 545 my ($cb, @args) = @_;
360 546
361 aio_fsync $fh 547 # we seemingly have to make a local copy of the whole thing,
362 and return; 548 # otherwise perl prematurely frees the stuff :/
549 # TODO: investigate and fix (likely this will be rather laborious)
363 550
364 close $fh 551 my @res = Coro::Util::fork_eval {
365 or return; 552 reset_signals;
553 &$cb
554 }, @args;
366 555
367 aio_rename "$runtime~", $runtime 556 wantarray ? @res : $res[-1]
368 and return; 557}
369 558
559=item $coin = coin_from_name $name
560
561=cut
562
563our %coin_alias = (
564 "silver" => "silvercoin",
565 "silvercoin" => "silvercoin",
566 "silvercoins" => "silvercoin",
567 "gold" => "goldcoin",
568 "goldcoin" => "goldcoin",
569 "goldcoins" => "goldcoin",
570 "platinum" => "platinacoin",
571 "platinumcoin" => "platinacoin",
572 "platinumcoins" => "platinacoin",
573 "platina" => "platinacoin",
574 "platinacoin" => "platinacoin",
575 "platinacoins" => "platinacoin",
576 "royalty" => "royalty",
577 "royalties" => "royalty",
578);
579
580sub coin_from_name($) {
581 $coin_alias{$_[0]}
582 ? cf::arch::find $coin_alias{$_[0]}
583 : undef
584}
585
586=item $value = cf::db_get $family => $key
587
588Returns a single value from the environment database.
589
590=item cf::db_put $family => $key => $value
591
592Stores the given C<$value> in the family. It can currently store binary
593data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
594
595=item $db = cf::db_table "name"
596
597Create and/or open a new database table. The string must not be "db" and must be unique
598within each server.
599
600=cut
601
602sub db_table($) {
603 my ($name) = @_;
604 my $db = BDB::db_create $DB_ENV;
605
606 eval {
607 $db->set_flags (BDB::CHKSUM);
608
609 utf8::encode $name;
610 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
611 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
612 cf::cleanup "db_open(db): $!" if $!;
613 };
614 cf::cleanup "db_open(db): $@" if $@;
615
616 $db
617}
618
619our $DB;
620
621sub db_init {
622 cf::sync_job {
623 $DB ||= db_table "db";
624 };
625}
626
627sub db_get($$) {
628 my $key = "$_[0]/$_[1]";
629
630 cf::sync_job {
631 BDB::db_get $DB, undef, $key, my $data;
632
633 $! ? ()
634 : $data
370 1 635 }
636}
637
638sub db_put($$$) {
639 BDB::dbreq_pri 4;
640 BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
641}
642
643=item cf::cache $id => [$paths...], $processversion => $process
644
645Generic caching function that returns the value of the resource $id,
646caching and regenerating as required.
647
648This function can block.
649
650=cut
651
652sub cache {
653 my ($id, $src, $processversion, $process) = @_;
654
655 my $meta =
656 join "\x00",
657 $processversion,
658 map {
659 aio_stat $_
660 and Carp::croak "$_: $!";
661
662 ($_, (stat _)[7,9])
663 } @$src;
664
665 my $dbmeta = db_get cache => "$id/meta";
666 if ($dbmeta ne $meta) {
667 # changed, we may need to process
668
669 my @data;
670 my $md5;
671
672 for (0 .. $#$src) {
673 0 <= aio_load $src->[$_], $data[$_]
674 or Carp::croak "$src->[$_]: $!";
675 }
676
677 # if processing is expensive, check
678 # checksum first
679 if (1) {
680 $md5 =
681 join "\x00",
682 $processversion,
683 map {
684 cf::cede_to_tick;
685 ($src->[$_], Digest::MD5::md5_hex $data[$_])
686 } 0.. $#$src;
687
688
689 my $dbmd5 = db_get cache => "$id/md5";
690 if ($dbmd5 eq $md5) {
691 db_put cache => "$id/meta", $meta;
692
693 return db_get cache => "$id/data";
694 }
695 }
696
697 my $t1 = Time::HiRes::time;
698 my $data = $process->(\@data);
699 my $t2 = Time::HiRes::time;
700
701 warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
702
703 db_put cache => "$id/data", $data;
704 db_put cache => "$id/md5" , $md5;
705 db_put cache => "$id/meta", $meta;
706
707 return $data;
708 }
709
710 db_get cache => "$id/data"
711}
712
713=item cf::datalog type => key => value, ...
714
715Log a datalog packet of the given type with the given key-value pairs.
716
717=cut
718
719sub datalog($@) {
720 my ($type, %kv) = @_;
721 warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371} 722}
372 723
373=back 724=back
374 725
375=cut 726=cut
… …
382attach callbacks/event handlers (a collection of which is called an "attachment") 733attach callbacks/event handlers (a collection of which is called an "attachment")
383to it. All such attachable objects support the following methods. 734to it. All such attachable objects support the following methods.
384 735
385In the following description, CLASS can be any of C<global>, C<object> 736In the following description, CLASS can be any of C<global>, C<object>
386C<player>, C<client> or C<map> (i.e. the attachable objects in 737C<player>, C<client> or C<map> (i.e. the attachable objects in
387crossfire+). 738Deliantra).
388 739
389=over 4 740=over 4
390 741
391=item $attachable->attach ($attachment, key => $value...) 742=item $attachable->attach ($attachment, key => $value...)
392 743
… …
555 $registry = $CB_TYPE[$object_type] ||= []; 906 $registry = $CB_TYPE[$object_type] ||= [];
556 907
557 } elsif ($type eq "subtype") { 908 } elsif ($type eq "subtype") {
558 defined $object_type or Carp::croak "subtype specified without type"; 909 defined $object_type or Carp::croak "subtype specified without type";
559 my $object_subtype = shift @arg; 910 my $object_subtype = shift @arg;
560 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= []; 911 $registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561 912
562 } elsif ($type eq "package") { 913 } elsif ($type eq "package") {
563 my $pkg = shift @arg; 914 my $pkg = shift @arg;
564 915
565 while (my ($name, $id) = each %cb_id) { 916 while (my ($name, $id) = each %cb_id) {
… …
594 _attach $registry, $klass, @attach; 945 _attach $registry, $klass, @attach;
595 } 946 }
596 947
597 $obj->{$name} = \%arg; 948 $obj->{$name} = \%arg;
598 } else { 949 } else {
599 warn "object uses attachment '$name' that is not available, postponing.\n"; 950 warn "object uses attachment '$name' which is not available, postponing.\n";
600 } 951 }
601 952
602 $obj->{_attachment}{$name} = undef; 953 $obj->{_attachment}{$name} = undef;
603} 954}
604 955
… …
606 if (ref $_[0]) { 957 if (ref $_[0]) {
607 _object_attach @_; 958 _object_attach @_;
608 } else { 959 } else {
609 _attach shift->_attach_registry, @_; 960 _attach shift->_attach_registry, @_;
610 } 961 }
962 _recalc_want;
611}; 963};
612 964
613# all those should be optimised 965# all those should be optimised
614sub cf::attachable::detach { 966sub cf::attachable::detach {
615 my ($obj, $name) = @_; 967 my ($obj, $name) = @_;
… …
618 delete $obj->{_attachment}{$name}; 970 delete $obj->{_attachment}{$name};
619 reattach ($obj); 971 reattach ($obj);
620 } else { 972 } else {
621 Carp::croak "cannot, currently, detach class attachments"; 973 Carp::croak "cannot, currently, detach class attachments";
622 } 974 }
975 _recalc_want;
623}; 976};
624 977
625sub cf::attachable::attached { 978sub cf::attachable::attached {
626 my ($obj, $name) = @_; 979 my ($obj, $name) = @_;
627 980
… …
642 "; 995 ";
643 die if $@; 996 die if $@;
644} 997}
645 998
646our $override; 999our $override;
647our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals? 1000our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648 1001
649sub override { 1002sub override {
650 $override = 1; 1003 $override = 1;
651 @invoke_results = (); 1004 @INVOKE_RESULTS = (@_);
652} 1005}
653 1006
654sub do_invoke { 1007sub do_invoke {
655 my $event = shift; 1008 my $event = shift;
656 my $callbacks = shift; 1009 my $callbacks = shift;
657 1010
658 @invoke_results = (); 1011 @INVOKE_RESULTS = ();
659 1012
660 local $override; 1013 local $override;
661 1014
662 for (@$callbacks) { 1015 for (@$callbacks) {
663 eval { &{$_->[1]} }; 1016 eval { &{$_->[1]} };
… …
672 } 1025 }
673 1026
674 0 1027 0
675} 1028}
676 1029
677=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 1030=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
678 1031
679=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 1032=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
680 1033
681Generate an object-specific event with the given arguments. 1034Generate an object-specific event with the given arguments.
682 1035
683This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be 1036This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684removed in future versions), and there is no public API to access override 1037removed in future versions), and there is no public API to access override
685results (if you must, access C<@cf::invoke_results> directly). 1038results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686 1039
687=back 1040=back
688 1041
689=cut 1042=cut
690 1043
691############################################################################# 1044#############################################################################
692# object support 1045# object support
1046
1047sub _object_equal($$);
1048sub _object_equal($$) {
1049 my ($a, $b) = @_;
1050
1051 return 0 unless (ref $a) eq (ref $b);
1052
1053 if ("HASH" eq ref $a) {
1054 my @ka = keys %$a;
1055 my @kb = keys %$b;
1056
1057 return 0 if @ka != @kb;
1058
1059 for (0 .. $#ka) {
1060 return 0 unless $ka[$_] eq $kb[$_];
1061 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
1062 }
1063
1064 } elsif ("ARRAY" eq ref $a) {
1065
1066 return 0 if @$a != @$b;
1067
1068 for (0 .. $#$a) {
1069 return 0 unless _object_equal $a->[$_], $b->[$_];
1070 }
1071
1072 } elsif ($a ne $b) {
1073 return 0;
1074 }
1075
1076 1
1077}
1078
1079our $SLOW_MERGES;#d#
1080sub _can_merge {
1081 my ($ob1, $ob2) = @_;
1082
1083 ++$SLOW_MERGES;#d#
1084
1085 # we do the slow way here
1086 return _object_equal $ob1, $ob2
1087}
693 1088
694sub reattach { 1089sub reattach {
695 # basically do the same as instantiate, without calling instantiate 1090 # basically do the same as instantiate, without calling instantiate
696 my ($obj) = @_; 1091 my ($obj) = @_;
697 1092
1093 # no longer needed after getting rid of delete_package?
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded 1094 #bless $obj, ref $obj; # re-bless in case extensions have been reloaded
699 1095
700 my $registry = $obj->registry; 1096 my $registry = $obj->registry;
701 1097
702 @$registry = (); 1098 @$registry = ();
703 1099
… …
718cf::attachable->attach ( 1114cf::attachable->attach (
719 prio => -1000000, 1115 prio => -1000000,
720 on_instantiate => sub { 1116 on_instantiate => sub {
721 my ($obj, $data) = @_; 1117 my ($obj, $data) = @_;
722 1118
723 $data = from_json $data; 1119 $data = decode_json $data;
724 1120
725 for (@$data) { 1121 for (@$data) {
726 my ($name, $args) = @$_; 1122 my ($name, $args) = @$_;
727 1123
728 $obj->attach ($name, %{$args || {} }); 1124 $obj->attach ($name, %{$args || {} });
… …
744sub object_freezer_save { 1140sub object_freezer_save {
745 my ($filename, $rdata, $objs) = @_; 1141 my ($filename, $rdata, $objs) = @_;
746 1142
747 sync_job { 1143 sync_job {
748 if (length $$rdata) { 1144 if (length $$rdata) {
1145 utf8::decode (my $decname = $filename);
749 warn sprintf "saving %s (%d,%d)\n", 1146 warn sprintf "saving %s (%d,%d)\n",
750 $filename, length $$rdata, scalar @$objs; 1147 $decname, length $$rdata, scalar @$objs;
751 1148
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1149 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 1150 aio_chmod $fh, SAVE_MODE;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1151 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 1152 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 1153 aio_close $fh;
757 1154
758 if (@$objs) { 1155 if (@$objs) {
759 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1156 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760 chmod SAVE_MODE, $fh; 1157 aio_chmod $fh, SAVE_MODE;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1158 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 1159 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 1160 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 1161 aio_close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 1162 aio_rename "$filename.pst~", "$filename.pst";
766 } 1163 }
767 } else { 1164 } else {
768 aio_unlink "$filename.pst"; 1165 aio_unlink "$filename.pst";
769 } 1166 }
… …
774 } 1171 }
775 } else { 1172 } else {
776 aio_unlink $filename; 1173 aio_unlink $filename;
777 aio_unlink "$filename.pst"; 1174 aio_unlink "$filename.pst";
778 } 1175 }
779 } 1176 };
780} 1177}
781 1178
782sub object_freezer_as_string { 1179sub object_freezer_as_string {
783 my ($rdata, $objs) = @_; 1180 my ($rdata, $objs) = @_;
784 1181
… …
796 or return; 1193 or return;
797 1194
798 unless (aio_stat "$filename.pst") { 1195 unless (aio_stat "$filename.pst") {
799 (aio_load "$filename.pst", $av) >= 0 1196 (aio_load "$filename.pst", $av) >= 0
800 or return; 1197 or return;
1198
801 $av = eval { (Storable::thaw $av)->{objs} }; 1199 my $st = eval { Coro::Storable::thaw $av };
1200 $av = $st->{objs};
802 } 1201 }
803 1202
1203 utf8::decode (my $decname = $filename);
804 warn sprintf "loading %s (%d)\n", 1204 warn sprintf "loading %s (%d,%d)\n",
805 $filename, length $data, scalar @{$av || []};#d# 1205 $decname, length $data, scalar @{$av || []};
1206
806 return ($data, $av); 1207 ($data, $av)
807} 1208}
1209
1210=head2 COMMAND CALLBACKS
1211
1212=over 4
1213
1214=cut
808 1215
809############################################################################# 1216#############################################################################
810# command handling &c 1217# command handling &c
811 1218
812=item cf::register_command $name => \&callback($ob,$args); 1219=item cf::register_command $name => \&callback($ob,$args);
… …
825 push @{ $COMMAND{$name} }, [$caller, $cb]; 1232 push @{ $COMMAND{$name} }, [$caller, $cb];
826} 1233}
827 1234
828=item cf::register_extcmd $name => \&callback($pl,$packet); 1235=item cf::register_extcmd $name => \&callback($pl,$packet);
829 1236
830Register a callbackf ro execution when the client sends an extcmd packet. 1237Register a callback for execution when the client sends an (synchronous)
1238extcmd packet. Ext commands will be processed in the order they are
1239received by the server, like other user commands. The first argument is
1240the logged-in player. Ext commands can only be processed after a player
1241has logged in successfully.
831 1242
832If the callback returns something, it is sent back as if reply was being 1243If the callback returns something, it is sent back as if reply was being
833called. 1244called.
834 1245
1246=item cf::register_exticmd $name => \&callback($ns,$packet);
1247
1248Register a callback for execution when the client sends an (asynchronous)
1249exticmd packet. Exti commands are processed by the server as soon as they
1250are received, i.e. out of order w.r.t. other commands. The first argument
1251is a client socket. Exti commands can be received anytime, even before
1252log-in.
1253
1254If the callback returns something, it is sent back as if reply was being
1255called.
1256
835=cut 1257=cut
836 1258
837sub register_extcmd { 1259sub register_extcmd {
838 my ($name, $cb) = @_; 1260 my ($name, $cb) = @_;
839 1261
840 $EXTCMD{$name} = $cb; 1262 $EXTCMD{$name} = $cb;
1263}
1264
1265sub register_exticmd {
1266 my ($name, $cb) = @_;
1267
1268 $EXTICMD{$name} = $cb;
841} 1269}
842 1270
843cf::player->attach ( 1271cf::player->attach (
844 on_command => sub { 1272 on_command => sub {
845 my ($pl, $name, $params) = @_; 1273 my ($pl, $name, $params) = @_;
… …
854 cf::override; 1282 cf::override;
855 }, 1283 },
856 on_extcmd => sub { 1284 on_extcmd => sub {
857 my ($pl, $buf) = @_; 1285 my ($pl, $buf) = @_;
858 1286
859 my $msg = eval { from_json $buf }; 1287 my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860 1288
861 if (ref $msg) { 1289 if (ref $msg) {
1290 my ($type, $reply, @payload) =
1291 "ARRAY" eq ref $msg
1292 ? @$msg
1293 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294
1295 my @reply;
1296
862 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1297 if (my $cb = $EXTCMD{$type}) {
863 if (my %reply = $cb->($pl, $msg)) { 1298 @reply = $cb->($pl, @payload);
864 $pl->ext_reply ($msg->{msgid}, %reply);
865 }
866 } 1299 }
1300
1301 $pl->ext_reply ($reply, @reply)
1302 if $reply;
1303
867 } else { 1304 } else {
868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1305 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869 } 1306 }
870 1307
871 cf::override; 1308 cf::override;
872 }, 1309 },
873); 1310);
874 1311
875sub load_extension {
876 my ($path) = @_;
877
878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
879 my $base = $1;
880 my $pkg = $1;
881 $pkg =~ s/[^[:word:]]/_/g;
882 $pkg = "ext::$pkg";
883
884 warn "... loading '$path' into '$pkg'\n";
885
886 open my $fh, "<:utf8", $path
887 or die "$path: $!";
888
889 my $source =
890 "package $pkg; use strict; use utf8;\n"
891 . "#line 1 \"$path\"\n{\n"
892 . (do { local $/; <$fh> })
893 . "\n};\n1";
894
895 unless (eval $source) {
896 my $msg = $@ ? "$path: $@\n"
897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
905
906 push @EXTS, $pkg;
907}
908
909sub load_extensions { 1312sub load_extensions {
1313 cf::sync_job {
1314 my %todo;
1315
910 for my $ext (<$LIBDIR/*.ext>) { 1316 for my $path (<$LIBDIR/*.ext>) {
911 next unless -r $ext; 1317 next unless -r $path;
912 eval { 1318
913 load_extension $ext; 1319 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
1320 my $base = $1;
1321 my $pkg = $1;
1322 $pkg =~ s/[^[:word:]]/_/g;
1323 $pkg = "ext::$pkg";
1324
1325 open my $fh, "<:utf8", $path
1326 or die "$path: $!";
1327
1328 my $source = do { local $/; <$fh> };
1329
1330 my %ext = (
1331 path => $path,
1332 base => $base,
1333 pkg => $pkg,
1334 );
1335
1336 $ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337 if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338
1339 $ext{source} =
1340 "package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1341 . "#line 1 \"$path\"\n{\n"
1342 . $source
1343 . "\n};\n1";
1344
1345 $todo{$base} = \%ext;
1346 }
1347
1348 my %done;
1349 while (%todo) {
1350 my $progress;
1351
1352 while (my ($k, $v) = each %todo) {
1353 for (split /,\s*/, $v->{meta}{depends}) {
1354 goto skip
1355 unless exists $done{$_};
1356 }
1357
1358 warn "... loading '$k' into '$v->{pkg}'\n";
1359
1360 unless (eval $v->{source}) {
1361 my $msg = $@ ? "$v->{path}: $@\n"
1362 : "$v->{base}: extension inactive.\n";
1363
1364 if (exists $v->{meta}{mandatory}) {
1365 warn $msg;
1366 cf::cleanup "mandatory extension failed to load, exiting.";
1367 }
1368
1369 warn $msg;
1370 }
1371
1372 $done{$k} = delete $todo{$k};
1373 push @EXTS, $v->{pkg};
1374 $progress = 1;
914 1 1375 }
915 } or warn "$ext not loaded: $@"; 1376
1377 skip:
1378 die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
1379 unless $progress;
1380 }
916 } 1381 };
917} 1382}
918 1383
919############################################################################# 1384#############################################################################
920 1385
1386=back
1387
921=head2 CORE EXTENSIONS 1388=head2 CORE EXTENSIONS
922 1389
923Functions and methods that extend core crossfire objects. 1390Functions and methods that extend core crossfire objects.
924 1391
925=cut 1392=cut
… …
930 1397
931=head3 cf::player 1398=head3 cf::player
932 1399
933=over 4 1400=over 4
934 1401
1402=item cf::player::num_playing
1403
1404Returns the official number of playing players, as per the Crossfire metaserver rules.
1405
1406=cut
1407
1408sub num_playing {
1409 scalar grep
1410 $_->ob->map
1411 && !$_->hidden
1412 && !$_->ob->flag (cf::FLAG_WIZ),
1413 cf::player::list
1414}
1415
935=item cf::player::find $login 1416=item cf::player::find $login
936 1417
937Returns the given player object, loading it if necessary (might block). 1418Returns the given player object, loading it if necessary (might block).
938 1419
939=cut 1420=cut
940 1421
941sub playerdir($) { 1422sub playerdir($) {
942 cf::localdir 1423 "$PLAYERDIR/"
943 . "/"
944 . cf::playerdir
945 . "/"
946 . (ref $_[0] ? $_[0]->ob->name : $_[0]) 1424 . (ref $_[0] ? $_[0]->ob->name : $_[0])
947} 1425}
948 1426
949sub path($) { 1427sub path($) {
950 my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; 1428 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951 1429
952 (playerdir $login) . "/$login.pl" 1430 (playerdir $login) . "/playerdata"
953} 1431}
954 1432
955sub find_active($) { 1433sub find_active($) {
956 $cf::PLAYER{$_[0]} 1434 $cf::PLAYER{$_[0]}
957 and $cf::PLAYER{$_[0]}->active 1435 and $cf::PLAYER{$_[0]}->active
… …
970 my $login = $_[0]; 1448 my $login = $_[0];
971 1449
972 my $guard = cf::lock_acquire "user_find:$login"; 1450 my $guard = cf::lock_acquire "user_find:$login";
973 1451
974 $cf::PLAYER{$_[0]} || do { 1452 $cf::PLAYER{$_[0]} || do {
975 my $pl = load_pl path $login 1453 # rename old playerfiles to new ones
1454 #TODO: remove when no longer required
1455 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1456 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1457 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1458 aio_unlink +(playerdir $login) . "/$login.pl";
1459
1460 my $f = new_from_file cf::object::thawer path $login
976 or return; 1461 or return;
1462
1463 my $pl = cf::player::load_pl $f
1464 or return;
1465
1466 local $cf::PLAYER_LOADING{$login} = $pl;
1467 $f->resolve_delayed_derefs;
977 $cf::PLAYER{$login} = $pl 1468 $cf::PLAYER{$login} = $pl
978 } 1469 }
979 } 1470 }
980} 1471}
981 1472
… …
990 return if $pl->{deny_save}; 1481 return if $pl->{deny_save};
991 1482
992 aio_mkdir playerdir $pl, 0770; 1483 aio_mkdir playerdir $pl, 0770;
993 $pl->{last_save} = $cf::RUNTIME; 1484 $pl->{last_save} = $cf::RUNTIME;
994 1485
1486 cf::get_slot 0.01;
1487
995 $pl->save_pl ($path); 1488 $pl->save_pl ($path);
996 Coro::cede; 1489 cf::cede_to_tick;
997} 1490}
998 1491
999sub new($) { 1492sub new($) {
1000 my ($login) = @_; 1493 my ($login) = @_;
1001 1494
… …
1007 $cf::PLAYER{$login} = $self; 1500 $cf::PLAYER{$login} = $self;
1008 1501
1009 $self 1502 $self
1010} 1503}
1011 1504
1505=item $player->send_msg ($channel, $msg, $color, [extra...])
1506
1507=cut
1508
1509sub send_msg {
1510 my $ns = shift->ns
1511 or return;
1512 $ns->send_msg (@_);
1513}
1514
1012=item $pl->quit_character 1515=item $pl->quit_character
1013 1516
1014Nukes the player without looking back. If logged in, the connection will 1517Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time. 1518be destroyed. May block for a long time.
1016 1519
1017=cut 1520=cut
1018 1521
1019sub quit_character { 1522sub quit_character {
1020 my ($pl) = @_; 1523 my ($pl) = @_;
1021 1524
1525 my $name = $pl->ob->name;
1526
1022 $pl->{deny_save} = 1; 1527 $pl->{deny_save} = 1;
1023 $pl->password ("*"); # this should lock out the player until we nuked the dir 1528 $pl->password ("*"); # this should lock out the player until we have nuked the dir
1024 1529
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1530 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1531 $pl->deactivate;
1532 my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533 $pl->ob->check_score;
1027 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1534 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1028 $pl->ns->destroy if $pl->ns; 1535 $pl->ns->destroy if $pl->ns;
1029 1536
1030 my $path = playerdir $pl; 1537 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1538 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1539 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1540 delete $cf::PLAYER{$pl->ob->name};
1034 $pl->destroy; 1541 $pl->destroy;
1542
1543 my $prefix = qr<^~\Q$name\E/>;
1544
1545 # nuke player maps
1546 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1547
1035 IO::AIO::aio_rmtree $temp; 1548 IO::AIO::aio_rmtree $temp;
1549}
1550
1551=item $pl->kick
1552
1553Kicks a player out of the game. This destroys the connection.
1554
1555=cut
1556
1557sub kick {
1558 my ($pl, $kicker) = @_;
1559
1560 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1561 $pl->killer ("kicked");
1562 $pl->ns->destroy;
1036} 1563}
1037 1564
1038=item cf::player::list_logins 1565=item cf::player::list_logins
1039 1566
1040Returns am arrayref of all valid playernames in the system, can take a 1567Returns am arrayref of all valid playernames in the system, can take a
1041while and may block, so not sync_job-capable, ever. 1568while and may block, so not sync_job-capable, ever.
1042 1569
1043=cut 1570=cut
1044 1571
1045sub list_logins { 1572sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir 1573 my $dirs = aio_readdir $PLAYERDIR
1047 or return []; 1574 or return [];
1048 1575
1049 my @logins; 1576 my @logins;
1050 1577
1051 for my $login (@$dirs) { 1578 for my $login (@$dirs) {
1579 my $path = path $login;
1580
1581 # a .pst is a dead give-away for a valid player
1582 # if no pst file found, open and chekc for blocked users
1583 if (aio_stat "$path.pst") {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1584 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next; 1585 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag 1586 $buf !~ /^password -------------$/m or next; # official not-valid tag
1587 }
1055 1588
1056 utf8::decode $login; 1589 utf8::decode $login;
1057 push @logins, $login; 1590 push @logins, $login;
1058 } 1591 }
1059 1592
… …
1067 1600
1068=cut 1601=cut
1069 1602
1070sub maps($) { 1603sub maps($) {
1071 my ($pl) = @_; 1604 my ($pl) = @_;
1605
1606 $pl = ref $pl ? $pl->ob->name : $pl;
1072 1607
1073 my $files = aio_readdir playerdir $pl 1608 my $files = aio_readdir playerdir $pl
1074 or return; 1609 or return;
1075 1610
1076 my @paths; 1611 my @paths;
… …
1078 for (@$files) { 1613 for (@$files) {
1079 utf8::decode $_; 1614 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1615 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1616 next unless /^$PATH_SEP/o;
1082 1617
1083 s/\.map$//; 1618 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1619 }
1086 1620
1087 \@paths 1621 \@paths
1088} 1622}
1089 1623
1624=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
1625
1626Expand crossfire pod fragments into protocol xml.
1627
1090=item $player->ext_reply ($msgid, $msgtype, %msg) 1628=item $player->ext_reply ($msgid, @msg)
1091 1629
1092Sends an ext reply to the player. 1630Sends an ext reply to the player.
1093 1631
1094=cut 1632=cut
1095 1633
1096sub ext_reply($$$%) { 1634sub ext_reply($$@) {
1097 my ($self, $id, %msg) = @_; 1635 my ($self, $id, @msg) = @_;
1098 1636
1099 $msg{msgid} = $id; 1637 $self->ns->ext_reply ($id, @msg)
1100
1101 $self->send ("ext " . cf::to_json \%msg);
1102} 1638}
1103 1639
1104package cf; 1640=item $player->ext_msg ($type, @msg)
1641
1642Sends an ext event to the client.
1643
1644=cut
1645
1646sub ext_msg($$@) {
1647 my ($self, $type, @msg) = @_;
1648
1649 $self->ns->ext_msg ($type, @msg);
1650}
1651
1652=head3 cf::region
1653
1654=over 4
1655
1656=cut
1657
1658package cf::region;
1659
1660=item cf::region::find_by_path $path
1661
1662Tries to decuce the likely region for a map knowing only its path.
1663
1664=cut
1665
1666sub find_by_path($) {
1667 my ($path) = @_;
1668
1669 my ($match, $specificity);
1670
1671 for my $region (list) {
1672 if ($region->{match} && $path =~ $region->{match}) {
1673 ($match, $specificity) = ($region, $region->specificity)
1674 if $region->specificity > $specificity;
1675 }
1676 }
1677
1678 $match
1679}
1105 1680
1106=back 1681=back
1107
1108 1682
1109=head3 cf::map 1683=head3 cf::map
1110 1684
1111=over 4 1685=over 4
1112 1686
… …
1124our $MAX_RESET = 3600; 1698our $MAX_RESET = 3600;
1125our $DEFAULT_RESET = 3000; 1699our $DEFAULT_RESET = 3000;
1126 1700
1127sub generate_random_map { 1701sub generate_random_map {
1128 my ($self, $rmp) = @_; 1702 my ($self, $rmp) = @_;
1703
1704 my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1705
1129 # mit "rum" bekleckern, nicht 1706 # mit "rum" bekleckern, nicht
1130 $self->_create_random_map ( 1707 $self->_create_random_map (
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1708 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1709 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1710 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1167 my ($self, $merge) = @_; 1744 my ($self, $merge) = @_;
1168 1745
1169 # we have to keep some variables in memory intact 1746 # we have to keep some variables in memory intact
1170 local $self->{path}; 1747 local $self->{path};
1171 local $self->{load_path}; 1748 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174 1749
1175 $self->SUPER::thawer_merge ($merge); 1750 $self->SUPER::thawer_merge ($merge);
1176} 1751}
1177 1752
1178sub normalise { 1753sub normalise {
1179 my ($path, $base) = @_; 1754 my ($path, $base) = @_;
1180 1755
1181 $path = "$path"; # make sure its a string 1756 $path = "$path"; # make sure its a string
1757
1758 $path =~ s/\.map$//;
1182 1759
1183 # map plan: 1760 # map plan:
1184 # 1761 #
1185 # /! non-realised random map exit (special hack!) 1762 # /! non-realised random map exit (special hack!)
1186 # {... are special paths that are not being touched 1763 # {... are special paths that are not being touched
… …
1223 $self->init; # pass $1 etc. 1800 $self->init; # pass $1 etc.
1224 return $self; 1801 return $self;
1225 } 1802 }
1226 } 1803 }
1227 1804
1228 Carp::carp "unable to resolve path '$path' (base '$base')."; 1805 Carp::cluck "unable to resolve path '$path' (base '$base').";
1229 () 1806 ()
1230} 1807}
1231 1808
1232sub init { 1809sub init {
1233 my ($self) = @_; 1810 my ($self) = @_;
… …
1248 1825
1249# the original (read-only) location 1826# the original (read-only) location
1250sub load_path { 1827sub load_path {
1251 my ($self) = @_; 1828 my ($self) = @_;
1252 1829
1253 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1830 "$MAPDIR/$self->{path}.map"
1254} 1831}
1255 1832
1256# the temporary/swap location 1833# the temporary/swap location
1257sub save_path { 1834sub save_path {
1258 my ($self) = @_; 1835 my ($self) = @_;
1259 1836
1260 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1837 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1261 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1838 "$TMPDIR/$path.map"
1262} 1839}
1263 1840
1264# the unique path, undef == no special unique path 1841# the unique path, undef == no special unique path
1265sub uniq_path { 1842sub uniq_path {
1266 my ($self) = @_; 1843 my ($self) = @_;
1267 1844
1268 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1845 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1269 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path 1846 "$UNIQUEDIR/$path"
1270} 1847}
1271 1848
1272# and all this just because we cannot iterate over 1849# and all this just because we cannot iterate over
1273# all maps in C++... 1850# all maps in C++...
1274sub change_all_map_light { 1851sub change_all_map_light {
… …
1276 1853
1277 $_->change_map_light ($change) 1854 $_->change_map_light ($change)
1278 for grep $_->outdoor, values %cf::MAP; 1855 for grep $_->outdoor, values %cf::MAP;
1279} 1856}
1280 1857
1858sub decay_objects {
1859 my ($self) = @_;
1860
1861 return if $self->{deny_reset};
1862
1863 $self->do_decay_objects;
1864}
1865
1281sub unlink_save { 1866sub unlink_save {
1282 my ($self) = @_; 1867 my ($self) = @_;
1283 1868
1284 utf8::encode (my $save = $self->save_path); 1869 utf8::encode (my $save = $self->save_path);
1285 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1870 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
… …
1288 1873
1289sub load_header_from($) { 1874sub load_header_from($) {
1290 my ($self, $path) = @_; 1875 my ($self, $path) = @_;
1291 1876
1292 utf8::encode $path; 1877 utf8::encode $path;
1293 aio_open $path, O_RDONLY, 0 1878 my $f = new_from_file cf::object::thawer $path
1294 or return; 1879 or return;
1295 1880
1296 $self->_load_header ($path) 1881 $self->_load_header ($f)
1297 or return; 1882 or return;
1883
1884 local $MAP_LOADING{$self->{path}} = $self;
1885 $f->resolve_delayed_derefs;
1298 1886
1299 $self->{load_path} = $path; 1887 $self->{load_path} = $path;
1300 1888
1301 1 1889 1
1302} 1890}
… …
1341 $self->load_header_orig 1929 $self->load_header_orig
1342 or return; 1930 or return;
1343 $self->prepare_orig; 1931 $self->prepare_orig;
1344 } 1932 }
1345 1933
1934 $self->{deny_reset} = 1
1935 if $self->no_reset;
1936
1937 $self->default_region (cf::region::find_by_path $self->{path})
1938 unless $self->default_region;
1939
1346 1 1940 1
1347} 1941}
1348 1942
1349sub find; 1943sub find;
1350sub find { 1944sub find {
1351 my ($path, $origin) = @_; 1945 my ($path, $origin) = @_;
1352 1946
1353 $path = normalise $path, $origin && $origin->path; 1947 $path = normalise $path, $origin && $origin->path;
1354 1948
1949 cf::lock_wait "map_data:$path";#d#remove
1355 cf::lock_wait "map_find:$path"; 1950 cf::lock_wait "map_find:$path";
1356 1951
1357 $cf::MAP{$path} || do { 1952 $cf::MAP{$path} || do {
1953 my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1358 my $guard = cf::lock_acquire "map_find:$path"; 1954 my $guard2 = cf::lock_acquire "map_find:$path";
1955
1359 my $map = new_from_path cf::map $path 1956 my $map = new_from_path cf::map $path
1360 or return; 1957 or return;
1361 1958
1362 $map->{last_save} = $cf::RUNTIME; 1959 $map->{last_save} = $cf::RUNTIME;
1363 1960
1364 $map->load_header 1961 $map->load_header
1365 or return; 1962 or return;
1366 1963
1367 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) 1964 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368 # doing this can freeze the server in a sync job, obviously 1965 # doing this can freeze the server in a sync job, obviously
1369 #$cf::WAIT_FOR_TICK->wait; 1966 #$cf::WAIT_FOR_TICK->wait;
1967 undef $guard2;
1968 undef $guard1;
1370 $map->reset; 1969 $map->reset;
1371 undef $guard;
1372 return find $path; 1970 return find $path;
1373 } 1971 }
1374 1972
1375 $cf::MAP{$path} = $map 1973 $cf::MAP{$path} = $map
1376 } 1974 }
… …
1383 my ($self) = @_; 1981 my ($self) = @_;
1384 1982
1385 local $self->{deny_reset} = 1; # loading can take a long time 1983 local $self->{deny_reset} = 1; # loading can take a long time
1386 1984
1387 my $path = $self->{path}; 1985 my $path = $self->{path};
1986
1987 {
1388 my $guard = cf::lock_acquire "map_load:$path"; 1988 my $guard = cf::lock_acquire "map_data:$path";
1389 1989
1990 return unless $self->valid;
1390 return if $self->in_memory != cf::MAP_SWAPPED; 1991 return unless $self->in_memory == cf::MAP_SWAPPED;
1391 1992
1392 $self->in_memory (cf::MAP_LOADING); 1993 $self->in_memory (cf::MAP_LOADING);
1393 1994
1394 $self->alloc; 1995 $self->alloc;
1395 1996
1396 $self->pre_load; 1997 $self->pre_load;
1998 cf::cede_to_tick;
1397 1999
1398 $self->_load_objects ($self->{load_path}, 1) 2000 my $f = new_from_file cf::object::thawer $self->{load_path};
2001 $f->skip_block;
2002 $self->_load_objects ($f)
1399 or return; 2003 or return;
1400 2004
1401 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 2005 $self->post_load_original
1402 if delete $self->{load_original}; 2006 if delete $self->{load_original};
1403 2007
1404 if (my $uniq = $self->uniq_path) { 2008 if (my $uniq = $self->uniq_path) {
1405 utf8::encode $uniq; 2009 utf8::encode $uniq;
1406 if (aio_open $uniq, O_RDONLY, 0) { 2010 unless (aio_stat $uniq) {
2011 if (my $f = new_from_file cf::object::thawer $uniq) {
1407 $self->clear_unique_items; 2012 $self->clear_unique_items;
1408 $self->_load_objects ($uniq, 0); 2013 $self->_load_objects ($f);
2014 $f->resolve_delayed_derefs;
2015 }
1409 } 2016 }
1410 } 2017 }
1411 2018
1412 Coro::cede; 2019 $f->resolve_delayed_derefs;
1413 2020
2021 cf::cede_to_tick;
1414 # now do the right thing for maps 2022 # now do the right thing for maps
1415 $self->link_multipart_objects; 2023 $self->link_multipart_objects;
1416
1417 unless ($self->{deny_activate}) {
1418 $self->decay_objects;
1419 $self->fix_auto_apply;
1420 $self->update_buttons;
1421 Coro::cede;
1422 $self->set_darkness_map;
1423 $self->difficulty ($self->estimate_difficulty) 2024 $self->difficulty ($self->estimate_difficulty)
1424 unless $self->difficulty; 2025 unless $self->difficulty;
1425 Coro::cede; 2026 cf::cede_to_tick;
2027
2028 unless ($self->{deny_activate}) {
2029 $self->decay_objects;
2030 $self->fix_auto_apply;
2031 $self->update_buttons;
2032 cf::cede_to_tick;
2033 $self->set_darkness_map;
2034 cf::cede_to_tick;
1426 $self->activate; 2035 $self->activate;
2036 }
2037
2038 $self->{last_save} = $cf::RUNTIME;
2039 $self->last_access ($cf::RUNTIME);
2040
2041 $self->in_memory (cf::MAP_ACTIVE);
1427 } 2042 }
1428 2043
1429 $self->post_load; 2044 $self->post_load;
1430
1431 $self->in_memory (cf::MAP_IN_MEMORY);
1432} 2045}
1433 2046
1434sub customise_for { 2047sub customise_for {
1435 my ($self, $ob) = @_; 2048 my ($self, $ob) = @_;
1436 2049
1437 return find "~" . $ob->name . "/" . $self->{path} 2050 return find "~" . $ob->name . "/" . $self->{path}
1438 if $self->per_player; 2051 if $self->per_player;
1439 2052
2053# return find "?party/" . $ob->name . "/" . $self->{path}
2054# if $self->per_party;
2055
1440 $self 2056 $self
1441} 2057}
1442 2058
1443# find and load all maps in the 3x3 area around a map 2059# find and load all maps in the 3x3 area around a map
1444sub load_diag { 2060sub load_neighbours {
1445 my ($map) = @_; 2061 my ($map) = @_;
1446 2062
1447 my @diag; # diagonal neighbours 2063 my @neigh; # diagonal neighbours
1448 2064
1449 for (0 .. 3) { 2065 for (0 .. 3) {
1450 my $neigh = $map->tile_path ($_) 2066 my $neigh = $map->tile_path ($_)
1451 or next; 2067 or next;
1452 $neigh = find $neigh, $map 2068 $neigh = find $neigh, $map
1453 or next; 2069 or next;
1454 $neigh->load; 2070 $neigh->load;
1455 2071
2072 push @neigh,
1456 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh], 2073 [$neigh->tile_path (($_ + 3) % 4), $neigh],
1457 [$neigh->tile_path (($_ + 1) % 4), $neigh]; 2074 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1458 } 2075 }
1459 2076
1460 for (@diag) { 2077 for (grep defined $_->[0], @neigh) {
2078 my ($path, $origin) = @$_;
1461 my $neigh = find @$_ 2079 my $neigh = find $path, $origin
1462 or next; 2080 or next;
1463 $neigh->load; 2081 $neigh->load;
1464 } 2082 }
1465} 2083}
1466 2084
… …
1471} 2089}
1472 2090
1473sub do_load_sync { 2091sub do_load_sync {
1474 my ($map) = @_; 2092 my ($map) = @_;
1475 2093
2094 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
2095 if $Coro::current == $Coro::main;
2096
1476 cf::sync_job { $map->load }; 2097 cf::sync_job { $map->load };
1477} 2098}
1478 2099
1479our %MAP_PREFETCH; 2100our %MAP_PREFETCH;
1480our $MAP_PREFETCHER = undef; 2101our $MAP_PREFETCHER = undef;
1481 2102
1482sub find_async { 2103sub find_async {
1483 my ($path, $origin) = @_; 2104 my ($path, $origin, $load) = @_;
1484 2105
1485 $path = normalise $path, $origin && $origin->{path}; 2106 $path = normalise $path, $origin && $origin->{path};
1486 2107
1487 if (my $map = $cf::MAP{$path}) { 2108 if (my $map = $cf::MAP{$path}) {
1488 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 2109 return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1489 } 2110 }
1490 2111
1491 undef $MAP_PREFETCH{$path}; 2112 $MAP_PREFETCH{$path} |= $load;
2113
1492 $MAP_PREFETCHER ||= cf::async { 2114 $MAP_PREFETCHER ||= cf::async {
2115 $Coro::current->{desc} = "map prefetcher";
2116
1493 while (%MAP_PREFETCH) { 2117 while (%MAP_PREFETCH) {
1494 for my $path (keys %MAP_PREFETCH) { 2118 while (my ($k, $v) = each %MAP_PREFETCH) {
1495 my $map = find $path 2119 if (my $map = find $k) {
1496 or next;
1497 $map->load; 2120 $map->load if $v;
2121 }
1498 2122
1499 delete $MAP_PREFETCH{$path}; 2123 delete $MAP_PREFETCH{$k};
1500 } 2124 }
1501 } 2125 }
1502 undef $MAP_PREFETCHER; 2126 undef $MAP_PREFETCHER;
1503 }; 2127 };
1504 $MAP_PREFETCHER->prio (6); 2128 $MAP_PREFETCHER->prio (6);
… …
1507} 2131}
1508 2132
1509sub save { 2133sub save {
1510 my ($self) = @_; 2134 my ($self) = @_;
1511 2135
1512 my $lock = cf::lock_acquire "map_data:" . $self->path; 2136 my $lock = cf::lock_acquire "map_data:$self->{path}";
1513 2137
1514 $self->{last_save} = $cf::RUNTIME; 2138 $self->{last_save} = $cf::RUNTIME;
1515 2139
1516 return unless $self->dirty; 2140 return unless $self->dirty;
1517 2141
… …
1523 return if $self->{deny_save}; 2147 return if $self->{deny_save};
1524 2148
1525 local $self->{last_access} = $self->last_access;#d# 2149 local $self->{last_access} = $self->last_access;#d#
1526 2150
1527 cf::async { 2151 cf::async {
2152 $Coro::current->{desc} = "map player save";
1528 $_->contr->save for $self->players; 2153 $_->contr->save for $self->players;
1529 }; 2154 };
2155
2156 cf::get_slot 0.02;
1530 2157
1531 if ($uniq) { 2158 if ($uniq) {
1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2159 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1533 $self->_save_objects ($uniq, cf::IO_UNIQUES); 2160 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1534 } else { 2161 } else {
… …
1540 my ($self) = @_; 2167 my ($self) = @_;
1541 2168
1542 # save first because save cedes 2169 # save first because save cedes
1543 $self->save; 2170 $self->save;
1544 2171
1545 my $lock = cf::lock_acquire "map_data:" . $self->path; 2172 my $lock = cf::lock_acquire "map_data:$self->{path}";
1546 2173
1547 return if $self->players; 2174 return if $self->players;
1548 return if $self->in_memory != cf::MAP_IN_MEMORY; 2175 return if $self->in_memory != cf::MAP_ACTIVE;
1549 return if $self->{deny_save}; 2176 return if $self->{deny_save};
1550 2177
2178 $self->in_memory (cf::MAP_SWAPPED);
2179
2180 $self->deactivate;
2181 $_->clear_links_to ($self) for values %cf::MAP;
1551 $self->clear; 2182 $self->clear;
1552 $self->in_memory (cf::MAP_SWAPPED);
1553} 2183}
1554 2184
1555sub reset_at { 2185sub reset_at {
1556 my ($self) = @_; 2186 my ($self) = @_;
1557 2187
1558 # TODO: safety, remove and allow resettable per-player maps 2188 # TODO: safety, remove and allow resettable per-player maps
1559 return 1e99 if $self->isa ("ext::map_per_player");#d#
1560 return 1e99 if $self->{deny_reset}; 2189 return 1e99 if $self->{deny_reset};
1561 2190
1562 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 2191 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 2192 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564 2193
… …
1575 my ($self) = @_; 2204 my ($self) = @_;
1576 2205
1577 my $lock = cf::lock_acquire "map_data:$self->{path}"; 2206 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 2207
1579 return if $self->players; 2208 return if $self->players;
1580 return if $self->isa ("ext::map_per_player");#d#
1581 2209
1582 warn "resetting map ", $self->path;#d# 2210 warn "resetting map ", $self->path;
2211
2212 $self->in_memory (cf::MAP_SWAPPED);
2213
2214 # need to save uniques path
2215 unless ($self->{deny_save}) {
2216 my $uniq = $self->uniq_path; utf8::encode $uniq;
2217
2218 $self->_save_objects ($uniq, cf::IO_UNIQUES)
2219 if $uniq;
2220 }
1583 2221
1584 delete $cf::MAP{$self->path}; 2222 delete $cf::MAP{$self->path};
1585 2223
1586 $self->in_memory (cf::MAP_SWAPPED); 2224 $self->deactivate;
2225 $_->clear_links_to ($self) for values %cf::MAP;
1587 $self->clear; 2226 $self->clear;
1588
1589 $_->clear_links_to ($self) for values %cf::MAP;
1590 2227
1591 $self->unlink_save; 2228 $self->unlink_save;
1592 $self->destroy; 2229 $self->destroy;
1593} 2230}
1594 2231
1595my $nuke_counter = "aaaa"; 2232my $nuke_counter = "aaaa";
1596 2233
1597sub nuke { 2234sub nuke {
1598 my ($self) = @_; 2235 my ($self) = @_;
1599 2236
2237 {
2238 my $lock = cf::lock_acquire "map_data:$self->{path}";
2239
1600 delete $cf::MAP{$self->path}; 2240 delete $cf::MAP{$self->path};
1601 2241
1602 $self->unlink_save; 2242 $self->unlink_save;
1603 2243
1604 bless $self, "cf::map"; 2244 bless $self, "cf::map";
1605 delete $self->{deny_reset}; 2245 delete $self->{deny_reset};
1606 $self->{deny_save} = 1; 2246 $self->{deny_save} = 1;
1607 $self->reset_timeout (1); 2247 $self->reset_timeout (1);
1608 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++)); 2248 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609 2249
1610 $cf::MAP{$self->path} = $self; 2250 $cf::MAP{$self->path} = $self;
2251 }
1611 2252
1612 $self->reset; # polite request, might not happen 2253 $self->reset; # polite request, might not happen
2254}
2255
2256=item $maps = cf::map::tmp_maps
2257
2258Returns an arrayref with all map paths of currently instantiated and saved
2259maps. May block.
2260
2261=cut
2262
2263sub tmp_maps() {
2264 [
2265 map {
2266 utf8::decode $_;
2267 /\.map$/
2268 ? normalise $_
2269 : ()
2270 } @{ aio_readdir $TMPDIR or [] }
2271 ]
2272}
2273
2274=item $maps = cf::map::random_maps
2275
2276Returns an arrayref with all map paths of currently instantiated and saved
2277random maps. May block.
2278
2279=cut
2280
2281sub random_maps() {
2282 [
2283 map {
2284 utf8::decode $_;
2285 /\.map$/
2286 ? normalise "?random/$_"
2287 : ()
2288 } @{ aio_readdir $RANDOMDIR or [] }
2289 ]
1613} 2290}
1614 2291
1615=item cf::map::unique_maps 2292=item cf::map::unique_maps
1616 2293
1617Returns an arrayref of paths of all shared maps that have 2294Returns an arrayref of paths of all shared maps that have
1618instantiated unique items. May block. 2295instantiated unique items. May block.
1619 2296
1620=cut 2297=cut
1621 2298
1622sub unique_maps() { 2299sub unique_maps() {
1623 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir 2300 [
1624 or return; 2301 map {
1625
1626 my @paths;
1627
1628 for (@$files) {
1629 utf8::decode $_; 2302 utf8::decode $_;
1630 next if /\.pst$/; 2303 s/\.map$//; # TODO future compatibility hack
1631 next unless /^$PATH_SEP/o; 2304 /\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1632 2305 ? ()
1633 s/\.map$//; 2306 : normalise $_
1634 push @paths, $_; 2307 } @{ aio_readdir $UNIQUEDIR or [] }
1635 } 2308 ]
1636
1637 \@paths
1638} 2309}
1639
1640package cf;
1641 2310
1642=back 2311=back
1643 2312
1644=head3 cf::object 2313=head3 cf::object
1645 2314
… …
1649 2318
1650=over 4 2319=over 4
1651 2320
1652=item $ob->inv_recursive 2321=item $ob->inv_recursive
1653 2322
1654Returns the inventory of the object _and_ their inventories, recursively. 2323Returns the inventory of the object I<and> their inventories, recursively,
2324but I<not> the object itself.
1655 2325
1656=cut 2326=cut
1657 2327
1658sub inv_recursive_; 2328sub inv_recursive_;
1659sub inv_recursive_ { 2329sub inv_recursive_ {
… …
1662 2332
1663sub inv_recursive { 2333sub inv_recursive {
1664 inv_recursive_ inv $_[0] 2334 inv_recursive_ inv $_[0]
1665} 2335}
1666 2336
2337=item $ref = $ob->ref
2338
2339Creates and returns a persistent reference to an object that can be stored as a string.
2340
2341=item $ob = cf::object::deref ($refstring)
2342
2343returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2344even if the object actually exists. May block.
2345
2346=cut
2347
2348sub deref {
2349 my ($ref) = @_;
2350
2351 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2352 my ($uuid, $name) = ($1, $2);
2353 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2354 or return;
2355 $pl->ob->uuid eq $uuid
2356 or return;
2357
2358 $pl->ob
2359 } else {
2360 warn "$ref: cannot resolve object reference\n";
2361 undef
2362 }
2363}
2364
1667package cf; 2365package cf;
1668 2366
1669=back 2367=back
1670 2368
1671=head3 cf::object::player 2369=head3 cf::object::player
… …
1677Sends a message to the player, as if the npc C<$npc> replied. C<$npc> 2375Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1678can be C<undef>. Does the right thing when the player is currently in a 2376can be C<undef>. Does the right thing when the player is currently in a
1679dialogue with the given NPC character. 2377dialogue with the given NPC character.
1680 2378
1681=cut 2379=cut
2380
2381our $SAY_CHANNEL = {
2382 id => "say",
2383 title => "Map",
2384 reply => "say ",
2385 tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
2386};
2387
2388our $CHAT_CHANNEL = {
2389 id => "chat",
2390 title => "Chat",
2391 reply => "chat ",
2392 tooltip => "Player chat and shouts, global to the server.",
2393};
1682 2394
1683# rough implementation of a future "reply" method that works 2395# rough implementation of a future "reply" method that works
1684# with dialog boxes. 2396# with dialog boxes.
1685#TODO: the first argument must go, split into a $npc->reply_to ( method 2397#TODO: the first argument must go, split into a $npc->reply_to ( method
1686sub cf::object::player::reply($$$;$) { 2398sub cf::object::player::reply($$$;$) {
… …
1688 2400
1689 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4; 2401 $flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690 2402
1691 if ($self->{record_replies}) { 2403 if ($self->{record_replies}) {
1692 push @{ $self->{record_replies} }, [$npc, $msg, $flags]; 2404 push @{ $self->{record_replies} }, [$npc, $msg, $flags];
2405
1693 } else { 2406 } else {
2407 my $pl = $self->contr;
2408
2409 if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2410 my $dialog = $pl->{npc_dialog};
2411 $dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2412
2413 } else {
1694 $msg = $npc->name . " says: $msg" if $npc; 2414 $msg = $npc->name . " says: $msg" if $npc;
1695 $self->message ($msg, $flags); 2415 $self->send_msg ($SAY_CHANNEL => $msg, $flags);
2416 }
1696 } 2417 }
2418}
2419
2420=item $object->send_msg ($channel, $msg, $color, [extra...])
2421
2422=cut
2423
2424sub cf::object::send_msg {
2425 my $pl = shift->contr
2426 or return;
2427 $pl->send_msg (@_);
1697} 2428}
1698 2429
1699=item $player_object->may ("access") 2430=item $player_object->may ("access")
1700 2431
1701Returns wether the given player is authorized to access resource "access" 2432Returns wether the given player is authorized to access resource "access"
… …
1748 $self->deactivate_recursive; 2479 $self->deactivate_recursive;
1749 2480
1750 return if UNIVERSAL::isa $self->map, "ext::map_link"; 2481 return if UNIVERSAL::isa $self->map, "ext::map_link";
1751 2482
1752 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 2483 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753 if $self->map; 2484 if $self->map && $self->map->{path} ne "{link}";
1754 2485
1755 $self->enter_map ($LINK_MAP || link_map, 10, 10); 2486 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1756} 2487}
1757 2488
1758sub cf::object::player::leave_link { 2489sub cf::object::player::leave_link {
1759 my ($self, $map, $x, $y) = @_; 2490 my ($self, $map, $x, $y) = @_;
2491
2492 return unless $self->contr->active;
1760 2493
1761 my $link_pos = delete $self->{_link_pos}; 2494 my $link_pos = delete $self->{_link_pos};
1762 2495
1763 unless ($map) { 2496 unless ($map) {
1764 # restore original map position 2497 # restore original map position
… …
1778 # use -1 or undef as default coordinates, not 0, 0 2511 # use -1 or undef as default coordinates, not 0, 0
1779 ($x, $y) = ($map->enter_x, $map->enter_y) 2512 ($x, $y) = ($map->enter_x, $map->enter_y)
1780 if $x <=0 && $y <= 0; 2513 if $x <=0 && $y <= 0;
1781 2514
1782 $map->load; 2515 $map->load;
1783 $map->load_diag; 2516 $map->load_neighbours;
1784 2517
1785 return unless $self->contr->active; 2518 return unless $self->contr->active;
1786 $self->activate_recursive; 2519 $self->activate_recursive;
2520
2521 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787 $self->enter_map ($map, $x, $y); 2522 $self->enter_map ($map, $x, $y);
1788} 2523}
1789 2524
1790cf::player->attach ( 2525=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791 on_logout => sub {
1792 my ($pl) = @_;
1793 2526
1794 # abort map switching before logout 2527Moves the player to the given map-path and coordinates by first freezing
1795 if ($pl->ob->{_link_pos}) { 2528her, loading and preparing them map, calling the provided $check callback
1796 cf::sync_job { 2529that has to return the map if sucecssful, and then unfreezes the player on
1797 $pl->ob->leave_link 2530the new (success) or old (failed) map position. In either case, $done will
1798 }; 2531be called at the end of this process.
1799 }
1800 },
1801 on_login => sub {
1802 my ($pl) = @_;
1803 2532
1804 # try to abort aborted map switching on player login :) 2533Note that $check will be called with a potentially non-loaded map, so if
1805 # should happen only on crashes 2534it needs a loaded map it has to call C<< ->load >>.
1806 if ($pl->ob->{_link_pos}) {
1807 $pl->ob->enter_link;
1808 (async {
1809 # we need this sleep as the login has a concurrent enter_exit running
1810 # and this sleep increases chances of the player not ending up in scorn
1811 $pl->ob->reply (undef,
1812 "There was an internal problem at your last logout, "
1813 . "the server will try to bring you to your intended destination in a second.",
1814 cf::NDI_RED);
1815 Coro::Timer::sleep 1;
1816 $pl->ob->leave_link;
1817 })->prio (2);
1818 }
1819 },
1820);
1821 2535
1822=item $player_object->goto ($path, $x, $y)
1823
1824=cut 2536=cut
2537
2538our $GOTOGEN;
1825 2539
1826sub cf::object::player::goto { 2540sub cf::object::player::goto {
1827 my ($self, $path, $x, $y) = @_; 2541 my ($self, $path, $x, $y, $check, $done) = @_;
2542
2543 # do generation counting so two concurrent goto's will be executed in-order
2544 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828 2545
1829 $self->enter_link; 2546 $self->enter_link;
1830 2547
1831 (async { 2548 (async {
2549 $Coro::current->{desc} = "player::goto $path $x $y";
2550
2551 # *tag paths override both path and x|y
2552 if ($path =~ /^\*(.*)$/) {
2553 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2554 my $ob = $obs[rand @obs];
2555
2556 # see if we actually can go there
2557 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2558 $ob = $obs[rand @obs];
2559 } else {
2560 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2561 }
2562 # else put us there anyways for now #d#
2563
2564 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2565 } else {
2566 ($path, $x, $y) = (undef, undef, undef);
2567 }
2568 }
2569
1832 my $map = eval { 2570 my $map = eval {
1833 my $map = cf::map::find $path; 2571 my $map = defined $path ? cf::map::find $path : undef;
2572
2573 if ($map) {
1834 $map = $map->customise_for ($self) if $map; 2574 $map = $map->customise_for ($self);
2575 $map = $check->($map) if $check && $map;
2576 } else {
2577 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2578 }
2579
1835 $map 2580 $map
2581 };
2582
2583 if ($@) {
2584 $self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2585 LOG llevError | logBacktrace, Carp::longmess $@;
1836 } or 2586 }
1837 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838 2587
2588 if ($gen == $self->{_goto_generation}) {
2589 delete $self->{_goto_generation};
1839 $self->leave_link ($map, $x, $y); 2590 $self->leave_link ($map, $x, $y);
2591 }
2592
2593 $done->() if $done;
1840 })->prio (1); 2594 })->prio (1);
1841} 2595}
1842 2596
1843=item $player_object->enter_exit ($exit_object) 2597=item $player_object->enter_exit ($exit_object)
1844 2598
… …
1864} 2618}
1865 2619
1866sub prepare_random_map { 2620sub prepare_random_map {
1867 my ($exit) = @_; 2621 my ($exit) = @_;
1868 2622
1869 my $guard = cf::lock_acquire "exit_prepare:$exit";
1870
1871 # all this does is basically replace the /! path by 2623 # all this does is basically replace the /! path by
1872 # a new random map path (?random/...) with a seed 2624 # a new random map path (?random/...) with a seed
1873 # that depends on the exit object 2625 # that depends on the exit object
1874 2626
1875 my $rmp = parse_random_map_params $exit->msg; 2627 my $rmp = parse_random_map_params $exit->msg;
… …
1877 if ($exit->map) { 2629 if ($exit->map) {
1878 $rmp->{region} = $exit->region->name; 2630 $rmp->{region} = $exit->region->name;
1879 $rmp->{origin_map} = $exit->map->path; 2631 $rmp->{origin_map} = $exit->map->path;
1880 $rmp->{origin_x} = $exit->x; 2632 $rmp->{origin_x} = $exit->x;
1881 $rmp->{origin_y} = $exit->y; 2633 $rmp->{origin_y} = $exit->y;
2634
2635 $exit->map->touch;
1882 } 2636 }
1883 2637
1884 $rmp->{random_seed} ||= $exit->random_seed; 2638 $rmp->{random_seed} ||= $exit->random_seed;
1885 2639
1886 my $data = cf::to_json $rmp; 2640 my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1887 my $md5 = Digest::MD5::md5_hex $data; 2641 my $md5 = Digest::MD5::md5_hex $data;
1888 my $meta = "$cf::RANDOM_MAPS/$md5.meta"; 2642 my $meta = "$RANDOMDIR/$md5.meta";
1889 2643
1890 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2644 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891 aio_write $fh, 0, (length $data), $data, 0; 2645 aio_write $fh, 0, (length $data), $data, 0;
1892 undef $fh; 2646 undef $fh;
1893 aio_rename "$meta~", $meta; 2647 aio_rename "$meta~", $meta;
1894 2648
2649 my $slaying = "?random/$md5";
2650
2651 if ($exit->valid) {
1895 $exit->slaying ("?random/$md5"); 2652 $exit->slaying ("?random/$md5");
1896 $exit->msg (undef); 2653 $exit->msg (undef);
2654 }
1897 } 2655 }
1898} 2656}
1899 2657
1900sub cf::object::player::enter_exit { 2658sub cf::object::player::enter_exit {
1901 my ($self, $exit) = @_; 2659 my ($self, $exit) = @_;
1902 2660
1903 return unless $self->type == cf::PLAYER; 2661 return unless $self->type == cf::PLAYER;
1904 2662
1905 if ($exit->slaying eq "/!") {
1906 #TODO: this should de-fi-ni-te-ly not be a sync-job
1907 cf::sync_job { prepare_random_map $exit };
1908 }
1909
1910 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911 my $hp = $exit->stats->hp;
1912 my $sp = $exit->stats->sp;
1913
1914 $self->enter_link; 2663 $self->enter_link;
1915 2664
1916 (async { 2665 (async {
1917 $self->deactivate_recursive; # just to be sure 2666 $Coro::current->{desc} = "enter_exit";
2667
1918 unless (eval { 2668 unless (eval {
2669 $self->deactivate_recursive; # just to be sure
2670
2671 # random map handling
2672 {
2673 my $guard = cf::lock_acquire "exit_prepare:$exit";
2674
2675 prepare_random_map $exit
2676 if $exit->slaying eq "/!";
2677 }
2678
2679 my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2680 my $x = $exit->stats->hp;
2681 my $y = $exit->stats->sp;
2682
1919 $self->goto ($slaying, $hp, $sp); 2683 $self->goto ($map, $x, $y);
1920 2684
2685 # if exit is damned, update players death & WoR home-position
2686 $self->contr->savebed ($map, $x, $y)
2687 if $exit->flag (cf::FLAG_DAMNED);
2688
1921 1; 2689 1
1922 }) { 2690 }) {
1923 $self->message ("Something went wrong deep within the crossfire server. " 2691 $self->message ("Something went wrong deep within the crossfire server. "
1924 . "I'll try to bring you back to the map you were before. " 2692 . "I'll try to bring you back to the map you were before. "
1925 . "Please report this to the dungeon master!", 2693 . "Please report this to the dungeon master!",
1926 cf::NDI_UNIQUE | cf::NDI_RED); 2694 cf::NDI_UNIQUE | cf::NDI_RED);
1927 2695
1928 warn "ERROR in enter_exit: $@"; 2696 warn "ERROR in enter_exit: $@";
1929 $self->leave_link; 2697 $self->leave_link;
1930 } 2698 }
1931 })->prio (1); 2699 })->prio (1);
… …
1944 2712
1945sub cf::client::send_drawinfo { 2713sub cf::client::send_drawinfo {
1946 my ($self, $text, $flags) = @_; 2714 my ($self, $text, $flags) = @_;
1947 2715
1948 utf8::encode $text; 2716 utf8::encode $text;
1949 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2717 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950} 2718}
1951 2719
2720=item $client->send_msg ($channel, $msg, $color, [extra...])
2721
2722Send a drawinfo or msg packet to the client, formatting the msg for the
2723client if neccessary. C<$type> should be a string identifying the type of
2724the message, with C<log> being the default. If C<$color> is negative, suppress
2725the message unless the client supports the msg packet.
2726
2727=cut
2728
2729# non-persistent channels (usually the info channel)
2730our %CHANNEL = (
2731 "c/identify" => {
2732 id => "infobox",
2733 title => "Identify",
2734 reply => undef,
2735 tooltip => "Items recently identified",
2736 },
2737 "c/examine" => {
2738 id => "infobox",
2739 title => "Examine",
2740 reply => undef,
2741 tooltip => "Signs and other items you examined",
2742 },
2743 "c/book" => {
2744 id => "infobox",
2745 title => "Book",
2746 reply => undef,
2747 tooltip => "The contents of a note or book",
2748 },
2749 "c/lookat" => {
2750 id => "infobox",
2751 title => "Look",
2752 reply => undef,
2753 tooltip => "What you saw there",
2754 },
2755 "c/who" => {
2756 id => "infobox",
2757 title => "Players",
2758 reply => undef,
2759 tooltip => "Shows players who are currently online",
2760 },
2761 "c/body" => {
2762 id => "infobox",
2763 title => "Body Parts",
2764 reply => undef,
2765 tooltip => "Shows which body parts you posess and are available",
2766 },
2767 "c/uptime" => {
2768 id => "infobox",
2769 title => "Uptime",
2770 reply => undef,
2771 tooltip => "How long the server has been running since last restart",
2772 },
2773 "c/mapinfo" => {
2774 id => "infobox",
2775 title => "Map Info",
2776 reply => undef,
2777 tooltip => "Information related to the maps",
2778 },
2779 "c/party" => {
2780 id => "party",
2781 title => "Party",
2782 reply => "gsay ",
2783 tooltip => "Messages and chat related to your party",
2784 },
2785);
2786
2787sub cf::client::send_msg {
2788 my ($self, $channel, $msg, $color, @extra) = @_;
2789
2790 $msg = $self->pl->expand_cfpod ($msg);
2791
2792 $color &= cf::NDI_CLIENT_MASK; # just in case...
2793
2794 # check predefined channels, for the benefit of C
2795 if ($CHANNEL{$channel}) {
2796 $channel = $CHANNEL{$channel};
2797
2798 $self->ext_msg (channel_info => $channel)
2799 if $self->can_msg;
2800
2801 $channel = $channel->{id};
2802
2803 } elsif (ref $channel) {
2804 # send meta info to client, if not yet sent
2805 unless (exists $self->{channel}{$channel->{id}}) {
2806 $self->{channel}{$channel->{id}} = $channel;
2807 $self->ext_msg (channel_info => $channel)
2808 if $self->can_msg;
2809 }
2810
2811 $channel = $channel->{id};
2812 }
2813
2814 return unless @extra || length $msg;
2815
2816 if ($self->can_msg) {
2817 # default colour, mask it out
2818 $color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2819 if $color & cf::NDI_DEF;
2820
2821 my $pkt = "msg "
2822 . $self->{json_coder}->encode (
2823 [$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2824 );
2825
2826 # try lzf for large packets
2827 $pkt = "lzf " . Compress::LZF::compress $pkt
2828 if 1024 <= length $pkt and $self->{can_lzf};
2829
2830 # split very large packets
2831 if (8192 < length $pkt and $self->{can_lzf}) {
2832 $self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2833 $pkt = "frag";
2834 }
2835
2836 $self->send_packet ($pkt);
2837 } else {
2838 if ($color >= 0) {
2839 # replace some tags by gcfclient-compatible ones
2840 for ($msg) {
2841 1 while
2842 s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2843 || s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2844 || s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2845 || s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2846 || s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2847 }
2848
2849 $color &= cf::NDI_COLOR_MASK;
2850
2851 utf8::encode $msg;
2852
2853 if (0 && $msg =~ /\[/) {
2854 # COMMAND/INFO
2855 $self->send_packet ("drawextinfo $color 10 8 $msg")
2856 } else {
2857 $msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2858 $self->send_packet ("drawinfo $color $msg")
2859 }
2860 }
2861 }
2862}
2863
2864=item $client->ext_msg ($type, @msg)
2865
2866Sends an ext event to the client.
2867
2868=cut
2869
2870sub cf::client::ext_msg($$@) {
2871 my ($self, $type, @msg) = @_;
2872
2873 if ($self->extcmd == 2) {
2874 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2875 } elsif ($self->extcmd == 1) { # TODO: remove
2876 push @msg, msgtype => "event_$type";
2877 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2878 }
2879}
2880
2881=item $client->ext_reply ($msgid, @msg)
2882
2883Sends an ext reply to the client.
2884
2885=cut
2886
2887sub cf::client::ext_reply($$@) {
2888 my ($self, $id, @msg) = @_;
2889
2890 if ($self->extcmd == 2) {
2891 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2892 } elsif ($self->extcmd == 1) {
2893 #TODO: version 1, remove
2894 unshift @msg, msgtype => "reply", msgid => $id;
2895 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2896 }
2897}
1952 2898
1953=item $success = $client->query ($flags, "text", \&cb) 2899=item $success = $client->query ($flags, "text", \&cb)
1954 2900
1955Queues a query to the client, calling the given callback with 2901Queues a query to the client, calling the given callback with
1956the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>, 2902the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>. 2903C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958 2904
1959Queries can fail, so check the return code. Or don't, as queries will become 2905Queries can fail, so check the return code. Or don't, as queries will
1960reliable at some point in the future. 2906become reliable at some point in the future.
1961 2907
1962=cut 2908=cut
1963 2909
1964sub cf::client::query { 2910sub cf::client::query {
1965 my ($self, $flags, $text, $cb) = @_; 2911 my ($self, $flags, $text, $cb) = @_;
… …
1973 utf8::encode $text; 2919 utf8::encode $text;
1974 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb]; 2920 push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975 2921
1976 $self->send_packet ($self->{query_queue}[0][0]) 2922 $self->send_packet ($self->{query_queue}[0][0])
1977 if @{ $self->{query_queue} } == 1; 2923 if @{ $self->{query_queue} } == 1;
2924
2925 1
1978} 2926}
1979 2927
1980cf::client->attach ( 2928cf::client->attach (
2929 on_connect => sub {
2930 my ($ns) = @_;
2931
2932 $ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
2933 },
1981 on_reply => sub { 2934 on_reply => sub {
1982 my ($ns, $msg) = @_; 2935 my ($ns, $msg) = @_;
1983 2936
1984 # this weird shuffling is so that direct followup queries 2937 # this weird shuffling is so that direct followup queries
1985 # get handled first 2938 # get handled first
1986 my $queue = delete $ns->{query_queue} 2939 my $queue = delete $ns->{query_queue}
1987 or return; # be conservative, not sure how that can happen, but we saw a crash here 2940 or return; # be conservative, not sure how that can happen, but we saw a crash here
1988 2941
1989 (shift @$queue)->[1]->($msg); 2942 (shift @$queue)->[1]->($msg);
2943 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990 2944
1991 push @{ $ns->{query_queue} }, @$queue; 2945 push @{ $ns->{query_queue} }, @$queue;
1992 2946
1993 if (@{ $ns->{query_queue} } == @$queue) { 2947 if (@{ $ns->{query_queue} } == @$queue) {
1994 if (@$queue) { 2948 if (@$queue) {
… …
1996 } else { 2950 } else {
1997 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM; 2951 $ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998 } 2952 }
1999 } 2953 }
2000 }, 2954 },
2955 on_exticmd => sub {
2956 my ($ns, $buf) = @_;
2957
2958 my $msg = eval { $ns->{json_coder}->decode ($buf) };
2959
2960 if (ref $msg) {
2961 my ($type, $reply, @payload) =
2962 "ARRAY" eq ref $msg
2963 ? @$msg
2964 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2965
2966 my @reply;
2967
2968 if (my $cb = $EXTICMD{$type}) {
2969 @reply = $cb->($ns, @payload);
2970 }
2971
2972 $ns->ext_reply ($reply, @reply)
2973 if $reply;
2974
2975 } else {
2976 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2977 }
2978
2979 cf::override;
2980 },
2001); 2981);
2002 2982
2003=item $client->async (\&cb) 2983=item $client->async (\&cb)
2004 2984
2005Create a new coroutine, running the specified callback. The coroutine will 2985Create a new coroutine, running the specified callback. The coroutine will
… …
2046our $safe = new Safe "safe"; 3026our $safe = new Safe "safe";
2047our $safe_hole = new Safe::Hole; 3027our $safe_hole = new Safe::Hole;
2048 3028
2049$SIG{FPE} = 'IGNORE'; 3029$SIG{FPE} = 'IGNORE';
2050 3030
2051$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time)); 3031$safe->permit_only (Opcode::opset qw(
3032 :base_core :base_mem :base_orig :base_math
3033 grepstart grepwhile mapstart mapwhile
3034 sort time
3035));
2052 3036
2053# here we export the classes and methods available to script code 3037# here we export the classes and methods available to script code
2054 3038
2055=pod 3039=pod
2056 3040
2057The following fucntions and emthods are available within a safe environment: 3041The following functions and methods are available within a safe environment:
2058 3042
2059 cf::object contr pay_amount pay_player map 3043 cf::object
3044 contr pay_amount pay_player map x y force_find force_add destroy
3045 insert remove name archname title slaying race decrease split
3046
2060 cf::object::player player 3047 cf::object::player
2061 cf::player peaceful 3048 player
2062 cf::map trigger 3049
3050 cf::player
3051 peaceful
3052
3053 cf::map
3054 trigger
2063 3055
2064=cut 3056=cut
2065 3057
2066for ( 3058for (
2067 ["cf::object" => qw(contr pay_amount pay_player map)], 3059 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3060 insert remove inv nrof name archname title slaying race
3061 decrease split destroy change_exp)],
2068 ["cf::object::player" => qw(player)], 3062 ["cf::object::player" => qw(player)],
2069 ["cf::player" => qw(peaceful)], 3063 ["cf::player" => qw(peaceful)],
2070 ["cf::map" => qw(trigger)], 3064 ["cf::map" => qw(trigger)],
2071) { 3065) {
2072 no strict 'refs'; 3066 no strict 'refs';
… …
2143=back 3137=back
2144 3138
2145=cut 3139=cut
2146 3140
2147############################################################################# 3141#############################################################################
3142# the server's init and main functions
2148 3143
2149=head2 EXTENSION DATABASE SUPPORT 3144sub load_facedata($) {
3145 my ($path) = @_;
2150 3146
2151Crossfire maintains a very simple database for extension use. It can 3147 # HACK to clear player env face cache, we need some signal framework
2152currently store anything that can be serialised using Storable, which 3148 # for this (global event?)
2153excludes objects. 3149 %ext::player_env::MUSIC_FACE_CACHE = ();
2154 3150
2155The parameter C<$family> should best start with the name of the extension 3151 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156using it, it should be unique.
2157 3152
2158=over 4 3153 warn "loading facedata from $path\n";
2159 3154
2160=item $hashref = cf::db_get $family 3155 my $facedata;
3156 0 < aio_load $path, $facedata
3157 or die "$path: $!";
2161 3158
2162Return a hashref for use by the extension C<$family>, which can be 3159 $facedata = Coro::Storable::thaw $facedata;
2163modified. After modifications, you have to call C<cf::db_dirty> or
2164C<cf::db_sync>.
2165 3160
2166=item $value = cf::db_get $family => $key 3161 $facedata->{version} == 2
3162 or cf::cleanup "$path: version mismatch, cannot proceed.";
2167 3163
2168Returns a single value from the database 3164 # patch in the exptable
2169 3165 $facedata->{resource}{"res/exp_table"} = {
2170=item cf::db_put $family => $hashref 3166 type => FT_RSRC,
2171 3167 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172Stores the given family hashref into the database. Updates are delayed, if
2173you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175=item cf::db_put $family => $key => $value
2176
2177Stores the given C<$value> in the family hash. Updates are delayed, if you
2178want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180=item cf::db_dirty
2181
2182Marks the database as dirty, to be updated at a later time.
2183
2184=item cf::db_sync
2185
2186Immediately write the database to disk I<if it is dirty>.
2187
2188=cut
2189
2190our $DB;
2191
2192{
2193 my $path = cf::localdir . "/database.pst";
2194
2195 sub db_load() {
2196 $DB = stat $path ? Storable::retrieve $path : { };
2197 } 3168 };
3169 cf::cede_to_tick;
2198 3170
2199 my $pid;
2200
2201 sub db_save() {
2202 waitpid $pid, 0 if $pid;
2203 if (0 == ($pid = fork)) {
2204 $DB->{_meta}{version} = 1;
2205 Storable::nstore $DB, "$path~";
2206 rename "$path~", $path;
2207 cf::_exit 0 if defined $pid;
2208 }
2209 } 3171 {
3172 my $faces = $facedata->{faceinfo};
2210 3173
2211 my $dirty; 3174 while (my ($face, $info) = each %$faces) {
3175 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2212 3176
2213 sub db_sync() { 3177 cf::face::set_visibility $idx, $info->{visibility};
2214 db_save if $dirty; 3178 cf::face::set_magicmap $idx, $info->{magicmap};
2215 undef $dirty; 3179 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2216 } 3180 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2217 3181
2218 my $idle = Event->idle ( 3182 cf::cede_to_tick;
2219 reentrant => 0,
2220 min => 10,
2221 max => 20,
2222 repeat => 0,
2223 data => WF_AUTOCANCEL,
2224 cb => \&db_sync,
2225 );
2226
2227 sub db_dirty() {
2228 $dirty = 1;
2229 $idle->start;
2230 }
2231
2232 sub db_get($;$) {
2233 @_ >= 2
2234 ? $DB->{$_[0]}{$_[1]}
2235 : ($DB->{$_[0]} ||= { })
2236 }
2237
2238 sub db_put($$;$) {
2239 if (@_ >= 3) {
2240 $DB->{$_[0]}{$_[1]} = $_[2];
2241 } else {
2242 $DB->{$_[0]} = $_[1];
2243 }
2244 db_dirty;
2245 }
2246
2247 cf::global->attach (
2248 prio => 10000,
2249 on_cleanup => sub {
2250 db_sync;
2251 }, 3183 }
2252 );
2253}
2254 3184
2255############################################################################# 3185 while (my ($face, $info) = each %$faces) {
2256# the server's main() 3186 next unless $info->{smooth};
2257 3187
2258sub cfg_load { 3188 my $idx = cf::face::find $face
3189 or next;
3190
3191 if (my $smooth = cf::face::find $info->{smooth}) {
3192 cf::face::set_smooth $idx, $smooth;
3193 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3194 } else {
3195 warn "smooth face '$info->{smooth}' not found for face '$face'";
3196 }
3197
3198 cf::cede_to_tick;
3199 }
3200 }
3201
3202 {
3203 my $anims = $facedata->{animinfo};
3204
3205 while (my ($anim, $info) = each %$anims) {
3206 cf::anim::set $anim, $info->{frames}, $info->{facings};
3207 cf::cede_to_tick;
3208 }
3209
3210 cf::anim::invalidate_all; # d'oh
3211 }
3212
3213 {
3214 # TODO: for gcfclient pleasure, we should give resources
3215 # that gcfclient doesn't grok a >10000 face index.
3216 my $res = $facedata->{resource};
3217
3218 while (my ($name, $info) = each %$res) {
3219 if (defined $info->{type}) {
3220 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3221 my $data;
3222
3223 if ($info->{type} & 1) {
3224 # prepend meta info
3225
3226 my $meta = $enc->encode ({
3227 name => $name,
3228 %{ $info->{meta} || {} },
3229 });
3230
3231 $data = pack "(w/a*)*", $meta, $info->{data};
3232 } else {
3233 $data = $info->{data};
3234 }
3235
3236 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3237 cf::face::set_type $idx, $info->{type};
3238 } else {
3239 $RESOURCE{$name} = $info;
3240 }
3241
3242 cf::cede_to_tick;
3243 }
3244 }
3245
3246 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3247
3248 1
3249}
3250
3251cf::global->attach (on_resource_update => sub {
3252 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3253 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3254
3255 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3256 my $sound = $soundconf->{compat}[$_]
3257 or next;
3258
3259 my $face = cf::face::find "sound/$sound->[1]";
3260 cf::sound::set $sound->[0] => $face;
3261 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3262 }
3263
3264 while (my ($k, $v) = each %{$soundconf->{event}}) {
3265 my $face = cf::face::find "sound/$v";
3266 cf::sound::set $k => $face;
3267 }
3268 }
3269});
3270
3271register_exticmd fx_want => sub {
3272 my ($ns, $want) = @_;
3273
3274 while (my ($k, $v) = each %$want) {
3275 $ns->fx_want ($k, $v);
3276 }
3277};
3278
3279sub load_resource_file($) {
3280 my $guard = lock_acquire "load_resource_file";
3281
3282 my $status = load_resource_file_ $_[0];
3283 get_slot 0.1, 100;
3284 cf::arch::commit_load;
3285
3286 $status
3287}
3288
3289sub reload_regions {
3290 # HACK to clear player env face cache, we need some signal framework
3291 # for this (global event?)
3292 %ext::player_env::MUSIC_FACE_CACHE = ();
3293
3294 load_resource_file "$MAPDIR/regions"
3295 or die "unable to load regions file\n";
3296
3297 for (cf::region::list) {
3298 $_->{match} = qr/$_->{match}/
3299 if exists $_->{match};
3300 }
3301}
3302
3303sub reload_facedata {
3304 load_facedata "$DATADIR/facedata"
3305 or die "unable to load facedata\n";
3306}
3307
3308sub reload_archetypes {
3309 load_resource_file "$DATADIR/archetypes"
3310 or die "unable to load archetypes\n";
3311}
3312
3313sub reload_treasures {
3314 load_resource_file "$DATADIR/treasures"
3315 or die "unable to load treasurelists\n";
3316}
3317
3318sub reload_resources {
3319 warn "reloading resource files...\n";
3320
3321 reload_facedata;
3322 reload_archetypes;
3323 reload_regions;
3324 reload_treasures;
3325
3326 warn "finished reloading resource files\n";
3327}
3328
3329sub init {
3330 my $guard = freeze_mainloop;
3331
3332 evthread_start IO::AIO::poll_fileno;
3333
3334 reload_resources;
3335}
3336
3337sub reload_config {
2259 open my $fh, "<:utf8", cf::confdir . "/config" 3338 open my $fh, "<:utf8", "$CONFDIR/config"
2260 or return; 3339 or return;
2261 3340
2262 local $/; 3341 local $/;
2263 *CFG = YAML::Syck::Load <$fh>; 3342 *CFG = YAML::Load <$fh>;
2264 3343
2265 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3344 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2266 3345
2267 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3346 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2268 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3347 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
2279sub main { 3358sub main {
2280 # we must not ever block the main coroutine 3359 # we must not ever block the main coroutine
2281 local $Coro::idle = sub { 3360 local $Coro::idle = sub {
2282 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3361 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2283 (async { 3362 (async {
2284 Event::one_event; 3363 $Coro::current->{desc} = "IDLE BUG HANDLER";
3364 EV::loop EV::LOOP_ONESHOT;
2285 })->prio (Coro::PRIO_MAX); 3365 })->prio (Coro::PRIO_MAX);
2286 }; 3366 };
2287 3367
2288 cfg_load; 3368 {
2289 db_load; 3369 my $guard = freeze_mainloop;
3370 reload_config;
3371 db_init;
2290 load_extensions; 3372 load_extensions;
2291 3373
2292 $TICK_WATCHER->start; 3374 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3375 }
3376
2293 Event::loop; 3377 EV::loop;
2294} 3378}
2295 3379
2296############################################################################# 3380#############################################################################
2297# initialisation and cleanup 3381# initialisation and cleanup
2298 3382
2299# install some emergency cleanup handlers 3383# install some emergency cleanup handlers
2300BEGIN { 3384BEGIN {
3385 our %SIGWATCHER = ();
2301 for my $signal (qw(INT HUP TERM)) { 3386 for my $signal (qw(INT HUP TERM)) {
2302 Event->signal ( 3387 $SIGWATCHER{$signal} = EV::signal $signal, sub {
2303 reentrant => 0,
2304 data => WF_AUTOCANCEL,
2305 signal => $signal,
2306 prio => 0,
2307 cb => sub {
2308 cf::cleanup "SIG$signal"; 3388 cf::cleanup "SIG$signal";
2309 },
2310 ); 3389 };
3390 }
3391}
3392
3393sub write_runtime_sync {
3394 my $runtime = "$LOCALDIR/runtime";
3395
3396 # first touch the runtime file to show we are still running:
3397 # the fsync below can take a very very long time.
3398
3399 IO::AIO::aio_utime $runtime, undef, undef;
3400
3401 my $guard = cf::lock_acquire "write_runtime";
3402
3403 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
3404 or return;
3405
3406 my $value = $cf::RUNTIME + 90 + 10;
3407 # 10 is the runtime save interval, for a monotonic clock
3408 # 60 allows for the watchdog to kill the server.
3409
3410 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3411 and return;
3412
3413 # always fsync - this file is important
3414 aio_fsync $fh
3415 and return;
3416
3417 # touch it again to show we are up-to-date
3418 aio_utime $fh, undef, undef;
3419
3420 close $fh
3421 or return;
3422
3423 aio_rename "$runtime~", $runtime
3424 and return;
3425
3426 warn "runtime file written.\n";
3427
2311 } 3428 1
3429}
3430
3431our $uuid_lock;
3432our $uuid_skip;
3433
3434sub write_uuid_sync($) {
3435 $uuid_skip ||= $_[0];
3436
3437 return if $uuid_lock;
3438 local $uuid_lock = 1;
3439
3440 my $uuid = "$LOCALDIR/uuid";
3441
3442 my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3443 or return;
3444
3445 my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
3446 $uuid_skip = 0;
3447
3448 (aio_write $fh, 0, (length $value), $value, 0) <= 0
3449 and return;
3450
3451 # always fsync - this file is important
3452 aio_fsync $fh
3453 and return;
3454
3455 close $fh
3456 or return;
3457
3458 aio_rename "$uuid~", $uuid
3459 and return;
3460
3461 warn "uuid file written ($value).\n";
3462
3463 1
3464
3465}
3466
3467sub write_uuid($$) {
3468 my ($skip, $sync) = @_;
3469
3470 $sync ? write_uuid_sync $skip
3471 : async { write_uuid_sync $skip };
2312} 3472}
2313 3473
2314sub emergency_save() { 3474sub emergency_save() {
2315 my $freeze_guard = cf::freeze_mainloop; 3475 my $freeze_guard = cf::freeze_mainloop;
2316 3476
… …
2322 # and maps saved/destroyed asynchronously. 3482 # and maps saved/destroyed asynchronously.
2323 warn "begin emergency player save\n"; 3483 warn "begin emergency player save\n";
2324 for my $login (keys %cf::PLAYER) { 3484 for my $login (keys %cf::PLAYER) {
2325 my $pl = $cf::PLAYER{$login} or next; 3485 my $pl = $cf::PLAYER{$login} or next;
2326 $pl->valid or next; 3486 $pl->valid or next;
3487 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327 $pl->save; 3488 $pl->save;
2328 } 3489 }
2329 warn "end emergency player save\n"; 3490 warn "end emergency player save\n";
2330 3491
2331 warn "begin emergency map save\n"; 3492 warn "begin emergency map save\n";
… …
2333 my $map = $cf::MAP{$path} or next; 3494 my $map = $cf::MAP{$path} or next;
2334 $map->valid or next; 3495 $map->valid or next;
2335 $map->save; 3496 $map->save;
2336 } 3497 }
2337 warn "end emergency map save\n"; 3498 warn "end emergency map save\n";
3499
3500 warn "begin emergency database checkpoint\n";
3501 BDB::db_env_txn_checkpoint $DB_ENV;
3502 warn "end emergency database checkpoint\n";
3503
3504 warn "begin write uuid\n";
3505 write_uuid_sync 1;
3506 warn "end write uuid\n";
2338 }; 3507 };
2339 3508
2340 warn "leave emergency perl save\n"; 3509 warn "leave emergency perl save\n";
2341} 3510}
2342 3511
3512sub post_cleanup {
3513 my ($make_core) = @_;
3514
3515 warn Carp::longmess "post_cleanup backtrace"
3516 if $make_core;
3517}
3518
3519# a safer delete_package, copied from Symbol
3520sub clear_package($) {
3521 my $pkg = shift;
3522
3523 # expand to full symbol table name if needed
3524 unless ($pkg =~ /^main::.*::$/) {
3525 $pkg = "main$pkg" if $pkg =~ /^::/;
3526 $pkg = "main::$pkg" unless $pkg =~ /^main::/;
3527 $pkg .= '::' unless $pkg =~ /::$/;
3528 }
3529
3530 my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
3531 my $stem_symtab = *{$stem}{HASH};
3532
3533 defined $stem_symtab and exists $stem_symtab->{$leaf}
3534 or return;
3535
3536 # clear all symbols
3537 my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3538 for my $name (keys %$leaf_symtab) {
3539 _gv_clear *{"$pkg$name"};
3540# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3541 }
3542 warn "cleared package #$pkg\n";#d#
3543}
3544
3545our $RELOAD; # how many times to reload
3546
2343sub reload() { 3547sub do_reload_perl() {
2344 # can/must only be called in main 3548 # can/must only be called in main
2345 if ($Coro::current != $Coro::main) { 3549 if ($Coro::current != $Coro::main) {
2346 warn "can only reload from main coroutine"; 3550 warn "can only reload from main coroutine";
2347 return; 3551 return;
2348 } 3552 }
2349 3553
3554 return if $RELOAD++;
3555
3556 while ($RELOAD) {
2350 warn "reloading..."; 3557 warn "reloading...";
2351 3558
2352 warn "cancelling server ticker"; 3559 warn "entering sync_job";
2353 $TICK_WATCHER->cancel;
2354 3560
3561 cf::sync_job {
3562 cf::write_runtime_sync; # external watchdog should not bark
2355 cf::emergency_save; 3563 cf::emergency_save;
3564 cf::write_runtime_sync; # external watchdog should not bark
2356 3565
2357 eval { 3566 warn "syncing database to disk";
3567 BDB::db_env_txn_checkpoint $DB_ENV;
3568
2358 # if anything goes wrong in here, we should simply crash as we already saved 3569 # if anything goes wrong in here, we should simply crash as we already saved
2359 3570
2360 warn "syncing database to disk";
2361 cf::db_sync;
2362
2363 warn "cancelling all WF_AUTOCANCEL watchers";
2364 for (Event::all_watchers) {
2365 $_->cancel if $_->data & WF_AUTOCANCEL;
2366 }
2367
2368 warn "flushing outstanding aio requests"; 3571 warn "flushing outstanding aio requests";
2369 for (;;) { 3572 while (IO::AIO::nreqs || BDB::nreqs) {
2370 IO::AIO::flush; 3573 Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2371 Coro::cede;
2372 last unless IO::AIO::nreqs;
2373 warn "iterate...";
2374 }
2375
2376 warn "cancelling all extension coros";
2377 $_->cancel for values %EXT_CORO;
2378 %EXT_CORO = ();
2379
2380 warn "removing commands";
2381 %COMMAND = ();
2382
2383 warn "removing ext commands";
2384 %EXTCMD = ();
2385
2386 warn "unloading/nuking all extensions";
2387 for my $pkg (@EXTS) {
2388 warn "... unloading $pkg";
2389
2390 if (my $cb = $pkg->can ("unload")) {
2391 eval {
2392 $cb->($pkg);
2393 1
2394 } or warn "$pkg unloaded, but with errors: $@";
2395 } 3574 }
2396 3575
2397 warn "... nuking $pkg"; 3576 warn "cancelling all extension coros";
2398 Symbol::delete_package $pkg; 3577 $_->cancel for values %EXT_CORO;
2399 } 3578 %EXT_CORO = ();
2400 3579
2401 warn "unloading all perl modules loaded from $LIBDIR"; 3580 warn "removing commands";
2402 while (my ($k, $v) = each %INC) { 3581 %COMMAND = ();
2403 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2404 3582
3583 warn "removing ext/exti commands";
3584 %EXTCMD = ();
3585 %EXTICMD = ();
3586
3587 warn "unloading/nuking all extensions";
3588 for my $pkg (@EXTS) {
2405 warn "... unloading $k"; 3589 warn "... unloading $pkg";
2406 delete $INC{$k};
2407 3590
2408 $k =~ s/\.pm$//;
2409 $k =~ s/\//::/g;
2410
2411 if (my $cb = $k->can ("unload_module")) { 3591 if (my $cb = $pkg->can ("unload")) {
3592 eval {
2412 $cb->(); 3593 $cb->($pkg);
3594 1
3595 } or warn "$pkg unloaded, but with errors: $@";
3596 }
3597
3598 warn "... clearing $pkg";
3599 clear_package $pkg;
2413 } 3600 }
2414 3601
2415 Symbol::delete_package $k; 3602 warn "unloading all perl modules loaded from $LIBDIR";
3603 while (my ($k, $v) = each %INC) {
3604 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3605
3606 warn "... unloading $k";
3607 delete $INC{$k};
3608
3609 $k =~ s/\.pm$//;
3610 $k =~ s/\//::/g;
3611
3612 if (my $cb = $k->can ("unload_module")) {
3613 $cb->();
3614 }
3615
3616 clear_package $k;
2416 } 3617 }
2417 3618
2418 warn "getting rid of safe::, as good as possible"; 3619 warn "getting rid of safe::, as good as possible";
2419 Symbol::delete_package "safe::$_" 3620 clear_package "safe::$_"
2420 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 3621 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421 3622
2422 warn "unloading cf.pm \"a bit\""; 3623 warn "unloading cf.pm \"a bit\"";
2423 delete $INC{"cf.pm"}; 3624 delete $INC{"cf.pm"};
3625 delete $INC{"cf/pod.pm"};
2424 3626
2425 # don't, removes xs symbols, too, 3627 # don't, removes xs symbols, too,
2426 # and global variables created in xs 3628 # and global variables created in xs
2427 #Symbol::delete_package __PACKAGE__; 3629 #clear_package __PACKAGE__;
2428 3630
2429 warn "unload completed, starting to reload now"; 3631 warn "unload completed, starting to reload now";
2430 3632
2431 warn "reloading cf.pm"; 3633 warn "reloading cf.pm";
2432 require cf; 3634 require cf;
2433 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3635 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434 3636
2435 warn "loading config and database again"; 3637 warn "loading config and database again";
2436 cf::cfg_load; 3638 cf::reload_config;
2437 cf::db_load;
2438 3639
2439 warn "loading extensions"; 3640 warn "loading extensions";
2440 cf::load_extensions; 3641 cf::load_extensions;
2441 3642
2442 warn "reattaching attachments to objects/players"; 3643 warn "reattaching attachments to objects/players";
2443 _global_reattach; 3644 _global_reattach; # objects, sockets
2444 warn "reattaching attachments to maps"; 3645 warn "reattaching attachments to maps";
2445 reattach $_ for values %MAP; 3646 reattach $_ for values %MAP;
3647 warn "reattaching attachments to players";
3648 reattach $_ for values %PLAYER;
2446 3649
2447 warn "restarting server ticker"; 3650 warn "leaving sync_job";
2448 3651
2449 $TICK_WATCHER->start; 3652 1
3653 } or do {
3654 warn $@;
3655 cf::cleanup "error while reloading, exiting.";
3656 };
3657
3658 warn "reloaded";
3659 --$RELOAD;
3660 }
3661};
3662
3663our $RELOAD_WATCHER; # used only during reload
3664
3665sub reload_perl() {
3666 # doing reload synchronously and two reloads happen back-to-back,
3667 # coro crashes during coro_state_free->destroy here.
3668
3669 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3670 do_reload_perl;
3671 undef $RELOAD_WATCHER;
2450 }; 3672 };
2451 3673}
2452 if ($@) {
2453 warn $@;
2454 warn "error while reloading, exiting.";
2455 exit 1;
2456 }
2457
2458 warn "reloaded";
2459};
2460
2461our $RELOAD_WATCHER; # used only during reload
2462 3674
2463register_command "reload" => sub { 3675register_command "reload" => sub {
2464 my ($who, $arg) = @_; 3676 my ($who, $arg) = @_;
2465 3677
2466 if ($who->flag (FLAG_WIZ)) { 3678 if ($who->flag (FLAG_WIZ)) {
2467 $who->message ("reloading server."); 3679 $who->message ("reloading server.");
2468 3680 async {
2469 # doing reload synchronously and two reloads happen back-to-back, 3681 $Coro::current->{desc} = "perl_reload";
2470 # coro crashes during coro_state_free->destroy here.
2471
2472 $RELOAD_WATCHER ||= Event->timer (
2473 reentrant => 0,
2474 after => 0,
2475 data => WF_AUTOCANCEL,
2476 cb => sub {
2477 reload; 3682 reload_perl;
2478 undef $RELOAD_WATCHER;
2479 },
2480 ); 3683 };
2481 } 3684 }
2482}; 3685};
2483 3686
2484unshift @INC, $LIBDIR; 3687unshift @INC, $LIBDIR;
2485 3688
2486my $bug_warning = 0; 3689my $bug_warning = 0;
2487 3690
2488$TICK_WATCHER = Event->timer ( 3691our @WAIT_FOR_TICK;
2489 reentrant => 0, 3692our @WAIT_FOR_TICK_BEGIN;
2490 parked => 1, 3693
2491 prio => 0, 3694sub wait_for_tick {
2492 at => $NEXT_TICK || $TICK, 3695 return if tick_inhibit || $Coro::current == $Coro::main;
2493 data => WF_AUTOCANCEL, 3696
2494 cb => sub { 3697 my $signal = new Coro::Signal;
3698 push @WAIT_FOR_TICK, $signal;
3699 $signal->wait;
3700}
3701
3702sub wait_for_tick_begin {
3703 return if tick_inhibit || $Coro::current == $Coro::main;
3704
3705 my $signal = new Coro::Signal;
3706 push @WAIT_FOR_TICK_BEGIN, $signal;
3707 $signal->wait;
3708}
3709
3710sub tick {
2495 if ($Coro::current != $Coro::main) { 3711 if ($Coro::current != $Coro::main) {
2496 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3712 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497 unless ++$bug_warning > 10; 3713 unless ++$bug_warning > 10;
2498 return; 3714 return;
2499 } 3715 }
2500 3716
2501 $NOW = Event::time;
2502
2503 cf::server_tick; # one server iteration 3717 cf::server_tick; # one server iteration
2504 $RUNTIME += $TICK;
2505 $NEXT_TICK += $TICK;
2506 3718
2507 $WAIT_FOR_TICK->broadcast; 3719 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 3720 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2509 3721 Coro::async_pool {
2510 Event::sweep; 3722 $Coro::current->{desc} = "runtime saver";
2511 Coro::cede_notself;
2512
2513# my $AFTER = Event::time;
2514# warn $AFTER - $NOW;#d#
2515
2516 # if we are delayed by four ticks or more, skip them all
2517 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2518
2519 $TICK_WATCHER->at ($NEXT_TICK);
2520 $TICK_WATCHER->start;
2521 },
2522);
2523
2524IO::AIO::max_poll_time $TICK * 0.1;
2525
2526undef $Coro::AIO::WATCHER;
2527$AIO_POLL_WATCHER = Event->io (
2528 reentrant => 0,
2529 fd => IO::AIO::poll_fileno,
2530 poll => 'r',
2531 prio => 6,
2532 data => WF_AUTOCANCEL,
2533 cb => \&IO::AIO::poll_cb,
2534);
2535
2536$WRITE_RUNTIME_WATCHER = Event->timer (
2537 reentrant => 0,
2538 data => WF_AUTOCANCEL,
2539 after => 1,
2540 interval => 10,
2541 prio => 6, # keep it lowest so it acts like a watchdog
2542 cb => Coro::unblock_sub {
2543 write_runtime 3723 write_runtime_sync
2544 or warn "ERROR: unable to write runtime file: $!"; 3724 or warn "ERROR: unable to write runtime file: $!";
3725 };
2545 }, 3726 }
2546); 3727
3728 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3729 $sig->send;
3730 }
3731 while (my $sig = shift @WAIT_FOR_TICK) {
3732 $sig->send;
3733 }
3734
3735 $LOAD = ($NOW - $TICK_START) / $TICK;
3736 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3737
3738 if (0) {
3739 if ($NEXT_TICK) {
3740 my $jitter = $TICK_START - $NEXT_TICK;
3741 $JITTER = $JITTER * 0.75 + $jitter * 0.25;
3742 warn "jitter $JITTER\n";#d#
3743 }
3744 }
3745}
3746
3747{
3748 # configure BDB
3749
3750 BDB::min_parallel 8;
3751 BDB::max_poll_reqs $TICK * 0.1;
3752 $AnyEvent::BDB::WATCHER->priority (1);
3753
3754 unless ($DB_ENV) {
3755 $DB_ENV = BDB::db_env_create;
3756 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3757 $DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
3758 $DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3759 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3760 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3761
3762 cf::sync_job {
3763 eval {
3764 BDB::db_env_open
3765 $DB_ENV,
3766 $BDBDIR,
3767 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3768 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3769 0666;
3770
3771 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3772 };
3773
3774 cf::cleanup "db_env_open(db): $@" if $@;
3775 };
3776 }
3777
3778 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3779 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3780 };
3781 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3782 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3783 };
3784 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3785 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3786 };
3787}
3788
3789{
3790 # configure IO::AIO
3791
3792 IO::AIO::min_parallel 8;
3793 IO::AIO::max_poll_time $TICK * 0.1;
3794 undef $AnyEvent::AIO::WATCHER;
3795}
3796
3797my $_log_backtrace;
3798
3799sub _log_backtrace {
3800 my ($msg, @addr) = @_;
3801
3802 $msg =~ s/\n//;
3803
3804 # limit the # of concurrent backtraces
3805 if ($_log_backtrace < 2) {
3806 ++$_log_backtrace;
3807 async {
3808 $Coro::current->{desc} = "abt $msg";
3809
3810 my @bt = fork_call {
3811 @addr = map { sprintf "%x", $_ } @addr;
3812 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3813 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3814 or die "addr2line: $!";
3815
3816 my @funcs;
3817 my @res = <$fh>;
3818 chomp for @res;
3819 while (@res) {
3820 my ($func, $line) = splice @res, 0, 2, ();
3821 push @funcs, "[$func] $line";
3822 }
3823
3824 @funcs
3825 };
3826
3827 LOG llevInfo, "[ABT] $msg\n";
3828 LOG llevInfo, "[ABT] $_\n" for @bt;
3829 --$_log_backtrace;
3830 };
3831 } else {
3832 LOG llevInfo, "[ABT] $msg\n";
3833 LOG llevInfo, "[ABT] [suppressed]\n";
3834 }
3835}
3836
3837# load additional modules
3838use cf::pod;
2547 3839
2548END { cf::emergency_save } 3840END { cf::emergency_save }
2549 3841
25501 38421
2551 3843

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