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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.410 by root, Tue Jan 15 12:02:24 2008 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Event; 9use EV 1.86;
10use Opcode; 10use Opcode;
11use Safe; 11use Safe;
12use Safe::Hole; 12use Safe::Hole;
13use Storable (); 13use Storable ();
14 14
15use Coro 4.1 (); 15use Coro 4.32 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::EV;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::BDB;
23use Coro::Storable; 24use Coro::Storable;
24use Coro::Util (); 25use Coro::Util ();
25 26
26use JSON::XS (); 27use JSON::XS 2.01 ();
27use BDB (); 28use BDB ();
28use Data::Dumper; 29use Data::Dumper;
29use Digest::MD5; 30use Digest::MD5;
30use Fcntl; 31use Fcntl;
31use YAML::Syck (); 32use YAML ();
32use IO::AIO 2.51 (); 33use IO::AIO 2.51 ();
33use Time::HiRes; 34use Time::HiRes;
34use Compress::LZF; 35use Compress::LZF;
35use Digest::MD5 (); 36use Digest::MD5 ();
36 37
37# configure various modules to our taste 38# configure various modules to our taste
38# 39#
39$Storable::canonical = 1; # reduce rsync transfers 40$Storable::canonical = 1; # reduce rsync transfers
40Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator 41Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
41Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 42Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42
43$Event::Eval = 1; # no idea why this is required, but it is
44
45# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46$YAML::Syck::ImplicitUnicode = 1;
47 43
48$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 44$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49 45
50sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 46sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
51 47
… …
70our $TMPDIR = "$LOCALDIR/" . tmpdir; 66our $TMPDIR = "$LOCALDIR/" . tmpdir;
71our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; 67our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72our $PLAYERDIR = "$LOCALDIR/" . playerdir; 68our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73our $RANDOMDIR = "$LOCALDIR/random"; 69our $RANDOMDIR = "$LOCALDIR/random";
74our $BDBDIR = "$LOCALDIR/db"; 70our $BDBDIR = "$LOCALDIR/db";
71our %RESOURCE;
75 72
76our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) 73our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77our $TICK_WATCHER; 74our $TICK_WATCHER;
78our $AIO_POLL_WATCHER; 75our $AIO_POLL_WATCHER;
79our $NEXT_RUNTIME_WRITE; # when should the runtime file be written 76our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80our $NEXT_TICK; 77our $NEXT_TICK;
81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 78our $USE_FSYNC = 1; # use fsync to write maps - default off
83 79
84our $BDB_POLL_WATCHER; 80our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER; 81our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER; 82our $BDB_CHECKPOINT_WATCHER;
… …
89 85
90our %CFG; 86our %CFG;
91 87
92our $UPTIME; $UPTIME ||= time; 88our $UPTIME; $UPTIME ||= time;
93our $RUNTIME; 89our $RUNTIME;
90our $NOW;
94 91
95our (%PLAYER, %PLAYER_LOADING); # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
96our (%MAP, %MAP_LOADING ); # all maps 93our (%MAP, %MAP_LOADING ); # all maps
97our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
98 95
… …
193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194 191
195 LOG llevError, $msg; 192 LOG llevError, $msg;
196 }; 193 };
197} 194}
195
196$Coro::State::DIEHOOK = sub {
197 return unless $^S eq 0; # "eq", not "=="
198
199 if ($Coro::current == $Coro::main) {#d#
200 warn "DIEHOOK called in main context, Coro bug?\n";#d#
201 return;#d#
202 }#d#
203
204 # kill coroutine otherwise
205 warn Carp::longmess $_[0];
206 Coro::terminate
207};
208
209$SIG{__DIE__} = sub { }; #d#?
198 210
199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 211@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 212@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable'; 213@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable'; 214@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
… …
215)) { 227)) {
216 no strict 'refs'; 228 no strict 'refs';
217 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg; 229 @{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218} 230}
219 231
220$Event::DIED = sub { 232$EV::DIED = sub {
221 warn "error in event callback: @_"; 233 warn "error in event callback: @_";
222}; 234};
223 235
224############################################################################# 236#############################################################################
225 237
… …
248 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge; 260 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249 $d 261 $d
250 } || "[unable to dump $_[0]: '$@']"; 262 } || "[unable to dump $_[0]: '$@']";
251} 263}
252 264
253=item $ref = cf::from_json $json 265=item $ref = cf::decode_json $json
254 266
255Converts a JSON string into the corresponding perl data structure. 267Converts a JSON string into the corresponding perl data structure.
256 268
257=item $json = cf::to_json $ref 269=item $json = cf::encode_json $ref
258 270
259Converts a perl data structure into its JSON representation. 271Converts a perl data structure into its JSON representation.
260 272
261=cut 273=cut
262 274
263our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max 275our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264 276
265sub to_json ($) { $json_coder->encode ($_[0]) } 277sub encode_json($) { $json_coder->encode ($_[0]) }
266sub from_json ($) { $json_coder->decode ($_[0]) } 278sub decode_json($) { $json_coder->decode ($_[0]) }
267 279
268=item cf::lock_wait $string 280=item cf::lock_wait $string
269 281
270Wait until the given lock is available. See cf::lock_acquire. 282Wait until the given lock is available. See cf::lock_acquire.
271 283
… …
334 my $guard = Coro::guard { 346 my $guard = Coro::guard {
335 $TICK_WATCHER->start; 347 $TICK_WATCHER->start;
336 }; 348 };
337 $TICK_WATCHER->stop; 349 $TICK_WATCHER->stop;
338 $guard 350 $guard
351}
352
353=item cf::periodic $interval, $cb
354
355Like EV::periodic, but randomly selects a starting point so that the actions
356get spread over timer.
357
358=cut
359
360sub periodic($$) {
361 my ($interval, $cb) = @_;
362
363 my $start = rand List::Util::min 180, $interval;
364
365 EV::periodic $start, $interval, 0, $cb
339} 366}
340 367
341=item cf::get_slot $time[, $priority[, $name]] 368=item cf::get_slot $time[, $priority[, $name]]
342 369
343Allocate $time seconds of blocking CPU time at priority C<$priority>: 370Allocate $time seconds of blocking CPU time at priority C<$priority>:
… …
422 449
423sub sync_job(&) { 450sub sync_job(&) {
424 my ($job) = @_; 451 my ($job) = @_;
425 452
426 if ($Coro::current == $Coro::main) { 453 if ($Coro::current == $Coro::main) {
427 my $time = Event::time; 454 my $time = EV::time;
428 455
429 # this is the main coro, too bad, we have to block 456 # this is the main coro, too bad, we have to block
430 # till the operation succeeds, freezing the server :/ 457 # till the operation succeeds, freezing the server :/
431 458
432 LOG llevError, Carp::longmess "sync job";#d# 459 LOG llevError, Carp::longmess "sync job";#d#
… …
447 474
448 while ($busy) { 475 while ($busy) {
449 if (Coro::nready) { 476 if (Coro::nready) {
450 Coro::cede_notself; 477 Coro::cede_notself;
451 } else { 478 } else {
452 Event::one_event; 479 EV::loop EV::LOOP_ONESHOT;
453 } 480 }
454 } 481 }
455 482
456 $time = Event::time - $time; 483 $time = EV::time - $time;
457 484
458 LOG llevError | logBacktrace, Carp::longmess "long sync job" 485 LOG llevError | logBacktrace, Carp::longmess "long sync job"
459 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active; 486 if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460 487
461 $tick_start += $time; # do not account sync jobs to server load 488 $tick_start += $time; # do not account sync jobs to server load
… …
491=item fork_call { }, $args 518=item fork_call { }, $args
492 519
493Executes the given code block with the given arguments in a seperate 520Executes the given code block with the given arguments in a seperate
494process, returning the results. Everything must be serialisable with 521process, returning the results. Everything must be serialisable with
495Coro::Storable. May, of course, block. Note that the executed sub may 522Coro::Storable. May, of course, block. Note that the executed sub may
496never block itself or use any form of Event handling. 523never block itself or use any form of event handling.
497 524
498=cut 525=cut
499 526
500sub fork_call(&@) { 527sub fork_call(&@) {
501 my ($cb, @args) = @_; 528 my ($cb, @args) = @_;
… …
954 } 981 }
955 982
956 0 983 0
957} 984}
958 985
959=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...) 986=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960 987
961=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...) 988=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962 989
963Generate an object-specific event with the given arguments. 990Generate an object-specific event with the given arguments.
964 991
… …
1042cf::attachable->attach ( 1069cf::attachable->attach (
1043 prio => -1000000, 1070 prio => -1000000,
1044 on_instantiate => sub { 1071 on_instantiate => sub {
1045 my ($obj, $data) = @_; 1072 my ($obj, $data) = @_;
1046 1073
1047 $data = from_json $data; 1074 $data = decode_json $data;
1048 1075
1049 for (@$data) { 1076 for (@$data) {
1050 my ($name, $args) = @$_; 1077 my ($name, $args) = @$_;
1051 1078
1052 $obj->attach ($name, %{$args || {} }); 1079 $obj->attach ($name, %{$args || {} });
… …
2625 $rmp->{origin_y} = $exit->y; 2652 $rmp->{origin_y} = $exit->y;
2626 } 2653 }
2627 2654
2628 $rmp->{random_seed} ||= $exit->random_seed; 2655 $rmp->{random_seed} ||= $exit->random_seed;
2629 2656
2630 my $data = cf::to_json $rmp; 2657 my $data = cf::encode_json $rmp;
2631 my $md5 = Digest::MD5::md5_hex $data; 2658 my $md5 = Digest::MD5::md5_hex $data;
2632 my $meta = "$RANDOMDIR/$md5.meta"; 2659 my $meta = "$RANDOMDIR/$md5.meta";
2633 2660
2634 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { 2661 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635 aio_write $fh, 0, (length $data), $data, 0; 2662 aio_write $fh, 0, (length $data), $data, 0;
… …
3135 { 3162 {
3136 my $faces = $facedata->{faceinfo}; 3163 my $faces = $facedata->{faceinfo};
3137 3164
3138 while (my ($face, $info) = each %$faces) { 3165 while (my ($face, $info) = each %$faces) {
3139 my $idx = (cf::face::find $face) || cf::face::alloc $face; 3166 my $idx = (cf::face::find $face) || cf::face::alloc $face;
3167
3140 cf::face::set_visibility $idx, $info->{visibility}; 3168 cf::face::set_visibility $idx, $info->{visibility};
3141 cf::face::set_magicmap $idx, $info->{magicmap}; 3169 cf::face::set_magicmap $idx, $info->{magicmap};
3142 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32}; 3170 cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
3143 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64}; 3171 cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
3144 3172
3145 cf::cede_to_tick; 3173 cf::cede_to_tick;
3146 } 3174 }
3147 3175
3148 while (my ($face, $info) = each %$faces) { 3176 while (my ($face, $info) = each %$faces) {
3149 next unless $info->{smooth}; 3177 next unless $info->{smooth};
3178
3150 my $idx = cf::face::find $face 3179 my $idx = cf::face::find $face
3151 or next; 3180 or next;
3181
3152 if (my $smooth = cf::face::find $info->{smooth}) { 3182 if (my $smooth = cf::face::find $info->{smooth}) {
3153 cf::face::set_smooth $idx, $smooth; 3183 cf::face::set_smooth $idx, $smooth;
3154 cf::face::set_smoothlevel $idx, $info->{smoothlevel}; 3184 cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155 } else { 3185 } else {
3156 warn "smooth face '$info->{smooth}' not found for face '$face'"; 3186 warn "smooth face '$info->{smooth}' not found for face '$face'";
… …
3174 { 3204 {
3175 # TODO: for gcfclient pleasure, we should give resources 3205 # TODO: for gcfclient pleasure, we should give resources
3176 # that gcfclient doesn't grok a >10000 face index. 3206 # that gcfclient doesn't grok a >10000 face index.
3177 my $res = $facedata->{resource}; 3207 my $res = $facedata->{resource};
3178 3208
3179 my $soundconf = delete $res->{"res/sound.conf"};
3180
3181 while (my ($name, $info) = each %$res) { 3209 while (my ($name, $info) = each %$res) {
3210 if (defined $info->{type}) {
3182 my $idx = (cf::face::find $name) || cf::face::alloc $name; 3211 my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183 my $data; 3212 my $data;
3184 3213
3185 if ($info->{type} & 1) { 3214 if ($info->{type} & 1) {
3186 # prepend meta info 3215 # prepend meta info
3187 3216
3188 my $meta = $enc->encode ({ 3217 my $meta = $enc->encode ({
3189 name => $name, 3218 name => $name,
3190 %{ $info->{meta} || {} }, 3219 %{ $info->{meta} || {} },
3191 }); 3220 });
3192 3221
3193 $data = pack "(w/a*)*", $meta, $info->{data}; 3222 $data = pack "(w/a*)*", $meta, $info->{data};
3223 } else {
3224 $data = $info->{data};
3225 }
3226
3227 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3228 cf::face::set_type $idx, $info->{type};
3194 } else { 3229 } else {
3195 $data = $info->{data}; 3230 $RESOURCE{$name} = $info;
3196 } 3231 }
3197 3232
3198 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199 cf::face::set_type $idx, $info->{type};
3200
3201 cf::cede_to_tick; 3233 cf::cede_to_tick;
3202 } 3234 }
3203
3204 if ($soundconf) {
3205 $soundconf = $enc->decode (delete $soundconf->{data});
3206
3207 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208 my $sound = $soundconf->{compat}[$_]
3209 or next;
3210
3211 my $face = cf::face::find "sound/$sound->[1]";
3212 cf::sound::set $sound->[0] => $face;
3213 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214 }
3215
3216 while (my ($k, $v) = each %{$soundconf->{event}}) {
3217 my $face = cf::face::find "sound/$v";
3218 cf::sound::set $k => $face;
3219 }
3220 }
3221 } 3235 }
3236
3237 cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222 3238
3223 1 3239 1
3224} 3240}
3241
3242cf::global->attach (on_resource_update => sub {
3243 if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3244 $soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3245
3246 for (0 .. SOUND_CAST_SPELL_0 - 1) {
3247 my $sound = $soundconf->{compat}[$_]
3248 or next;
3249
3250 my $face = cf::face::find "sound/$sound->[1]";
3251 cf::sound::set $sound->[0] => $face;
3252 cf::sound::old_sound_index $_, $face; # gcfclient-compat
3253 }
3254
3255 while (my ($k, $v) = each %{$soundconf->{event}}) {
3256 my $face = cf::face::find "sound/$v";
3257 cf::sound::set $k => $face;
3258 }
3259 }
3260});
3225 3261
3226register_exticmd fx_want => sub { 3262register_exticmd fx_want => sub {
3227 my ($ns, $want) = @_; 3263 my ($ns, $want) = @_;
3228 3264
3229 while (my ($k, $v) = each %$want) { 3265 while (my ($k, $v) = each %$want) {
… …
3284sub reload_config { 3320sub reload_config {
3285 open my $fh, "<:utf8", "$CONFDIR/config" 3321 open my $fh, "<:utf8", "$CONFDIR/config"
3286 or return; 3322 or return;
3287 3323
3288 local $/; 3324 local $/;
3289 *CFG = YAML::Syck::Load <$fh>; 3325 *CFG = YAML::Load <$fh>;
3290 3326
3291 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 3327 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
3292 3328
3293 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 3329 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 3330 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
… …
3306 # we must not ever block the main coroutine 3342 # we must not ever block the main coroutine
3307 local $Coro::idle = sub { 3343 local $Coro::idle = sub {
3308 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3344 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309 (async { 3345 (async {
3310 $Coro::current->{desc} = "IDLE BUG HANDLER"; 3346 $Coro::current->{desc} = "IDLE BUG HANDLER";
3311 Event::one_event; 3347 EV::loop EV::LOOP_ONESHOT;
3312 })->prio (Coro::PRIO_MAX); 3348 })->prio (Coro::PRIO_MAX);
3313 }; 3349 };
3314 3350
3315 reload_config; 3351 reload_config;
3316 db_init; 3352 db_init;
3317 load_extensions; 3353 load_extensions;
3318 3354
3319 $TICK_WATCHER->start; 3355 $TICK_WATCHER->start;
3356 $Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3320 Event::loop; 3357 EV::loop;
3321} 3358}
3322 3359
3323############################################################################# 3360#############################################################################
3324# initialisation and cleanup 3361# initialisation and cleanup
3325 3362
3326# install some emergency cleanup handlers 3363# install some emergency cleanup handlers
3327BEGIN { 3364BEGIN {
3365 our %SIGWATCHER = ();
3328 for my $signal (qw(INT HUP TERM)) { 3366 for my $signal (qw(INT HUP TERM)) {
3329 Event->signal ( 3367 $SIGWATCHER{$signal} = EV::signal $signal, sub {
3330 reentrant => 0,
3331 data => WF_AUTOCANCEL,
3332 signal => $signal,
3333 prio => 0,
3334 cb => sub {
3335 cf::cleanup "SIG$signal"; 3368 cf::cleanup "SIG$signal";
3336 },
3337 ); 3369 };
3338 } 3370 }
3339} 3371}
3340 3372
3341sub write_runtime { 3373sub write_runtime {
3342 my $runtime = "$LOCALDIR/runtime"; 3374 my $runtime = "$LOCALDIR/runtime";
… …
3436 warn "syncing database to disk"; 3468 warn "syncing database to disk";
3437 BDB::db_env_txn_checkpoint $DB_ENV; 3469 BDB::db_env_txn_checkpoint $DB_ENV;
3438 3470
3439 # if anything goes wrong in here, we should simply crash as we already saved 3471 # if anything goes wrong in here, we should simply crash as we already saved
3440 3472
3441 warn "cancelling all WF_AUTOCANCEL watchers";
3442 for (Event::all_watchers) {
3443 $_->cancel if $_->data & WF_AUTOCANCEL;
3444 }
3445
3446 warn "flushing outstanding aio requests"; 3473 warn "flushing outstanding aio requests";
3447 for (;;) { 3474 for (;;) {
3448 BDB::flush; 3475 BDB::flush;
3449 IO::AIO::flush; 3476 IO::AIO::flush;
3450 Coro::cede_notself; 3477 Coro::cede_notself;
… …
3544 3571
3545sub reload_perl() { 3572sub reload_perl() {
3546 # doing reload synchronously and two reloads happen back-to-back, 3573 # doing reload synchronously and two reloads happen back-to-back,
3547 # coro crashes during coro_state_free->destroy here. 3574 # coro crashes during coro_state_free->destroy here.
3548 3575
3549 $RELOAD_WATCHER ||= Event->timer ( 3576 $RELOAD_WATCHER ||= EV::timer 0, 0, sub {
3550 reentrant => 0,
3551 after => 0,
3552 data => WF_AUTOCANCEL,
3553 cb => sub {
3554 do_reload_perl; 3577 do_reload_perl;
3555 undef $RELOAD_WATCHER; 3578 undef $RELOAD_WATCHER;
3556 },
3557 ); 3579 };
3558} 3580}
3559 3581
3560register_command "reload" => sub { 3582register_command "reload" => sub {
3561 my ($who, $arg) = @_; 3583 my ($who, $arg) = @_;
3562 3584
… …
3592 my $signal = new Coro::Signal; 3614 my $signal = new Coro::Signal;
3593 push @WAIT_FOR_TICK_BEGIN, $signal; 3615 push @WAIT_FOR_TICK_BEGIN, $signal;
3594 $signal->wait; 3616 $signal->wait;
3595} 3617}
3596 3618
3597$TICK_WATCHER = Event->timer ( 3619$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
3598 reentrant => 0,
3599 parked => 1,
3600 prio => 0,
3601 at => $NEXT_TICK || $TICK,
3602 data => WF_AUTOCANCEL,
3603 cb => sub {
3604 if ($Coro::current != $Coro::main) { 3620 if ($Coro::current != $Coro::main) {
3605 Carp::cluck "major BUG: server tick called outside of main coro, skipping it" 3621 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606 unless ++$bug_warning > 10; 3622 unless ++$bug_warning > 10;
3607 return; 3623 return;
3608 } 3624 }
3609 3625
3610 $NOW = $tick_start = Event::time; 3626 $NOW = $tick_start = EV::now;
3611 3627
3612 cf::server_tick; # one server iteration 3628 cf::server_tick; # one server iteration
3613 3629
3614 $RUNTIME += $TICK; 3630 $RUNTIME += $TICK;
3615 $NEXT_TICK += $TICK; 3631 $NEXT_TICK = $_[0]->at;
3616 3632
3617 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3633 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618 $NEXT_RUNTIME_WRITE = $NOW + 10; 3634 $NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619 Coro::async_pool { 3635 Coro::async_pool {
3620 $Coro::current->{desc} = "runtime saver"; 3636 $Coro::current->{desc} = "runtime saver";
3621 write_runtime 3637 write_runtime
3622 or warn "ERROR: unable to write runtime file: $!"; 3638 or warn "ERROR: unable to write runtime file: $!";
3623 };
3624 } 3639 };
3640 }
3625 3641
3626 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3642 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627 $sig->send; 3643 $sig->send;
3628 } 3644 }
3629 while (my $sig = shift @WAIT_FOR_TICK) { 3645 while (my $sig = shift @WAIT_FOR_TICK) {
3630 $sig->send; 3646 $sig->send;
3631 } 3647 }
3632 3648
3633 $NOW = Event::time;
3634
3635 # if we are delayed by four ticks or more, skip them all
3636 $NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638 $TICK_WATCHER->at ($NEXT_TICK);
3639 $TICK_WATCHER->start;
3640
3641 $LOAD = ($NOW - $tick_start) / $TICK; 3649 $LOAD = ($NOW - $tick_start) / $TICK;
3642 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3650 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643 3651
3644 _post_tick; 3652 _post_tick;
3645 }, 3653};
3646); 3654$TICK_WATCHER->priority (EV::MAXPRI);
3647 3655
3648{ 3656{
3657 # configure BDB
3658
3649 BDB::min_parallel 8; 3659 BDB::min_parallel 8;
3650 BDB::max_poll_time $TICK * 0.1; 3660 BDB::max_poll_reqs $TICK * 0.1;
3651 $BDB_POLL_WATCHER = Event->io ( 3661 $Coro::BDB::WATCHER->priority (1);
3652 reentrant => 0,
3653 fd => BDB::poll_fileno,
3654 poll => 'r',
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => \&BDB::poll_cb,
3658 );
3659
3660 BDB::set_sync_prepare {
3661 my $status;
3662 my $current = $Coro::current;
3663 (
3664 sub {
3665 $status = $!;
3666 $current->ready; undef $current;
3667 },
3668 sub {
3669 Coro::schedule while defined $current;
3670 $! = $status;
3671 },
3672 )
3673 };
3674 3662
3675 unless ($DB_ENV) { 3663 unless ($DB_ENV) {
3676 $DB_ENV = BDB::db_env_create; 3664 $DB_ENV = BDB::db_env_create;
3677 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC 3665 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3678 | BDB::LOG_AUTOREMOVE, 1); 3666 | BDB::LOG_AUTOREMOVE, 1);
… …
3693 3681
3694 cf::cleanup "db_env_open(db): $@" if $@; 3682 cf::cleanup "db_env_open(db): $@" if $@;
3695 }; 3683 };
3696 } 3684 }
3697 3685
3698 $BDB_DEADLOCK_WATCHER = Event->timer ( 3686 $BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699 after => 3,
3700 interval => 1,
3701 hard => 1,
3702 prio => 0,
3703 data => WF_AUTOCANCEL,
3704 cb => sub {
3705 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { }; 3687 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706 },
3707 ); 3688 };
3708 $BDB_CHECKPOINT_WATCHER = Event->timer ( 3689 $BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709 after => 11,
3710 interval => 60,
3711 hard => 1,
3712 prio => 0,
3713 data => WF_AUTOCANCEL,
3714 cb => sub {
3715 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; 3690 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716 },
3717 ); 3691 };
3718 $BDB_TRICKLE_WATCHER = Event->timer ( 3692 $BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719 after => 5,
3720 interval => 10,
3721 hard => 1,
3722 prio => 0,
3723 data => WF_AUTOCANCEL,
3724 cb => sub {
3725 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { }; 3693 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726 },
3727 ); 3694 };
3728} 3695}
3729 3696
3730{ 3697{
3698 # configure IO::AIO
3699
3731 IO::AIO::min_parallel 8; 3700 IO::AIO::min_parallel 8;
3732
3733 undef $Coro::AIO::WATCHER;
3734 IO::AIO::max_poll_time $TICK * 0.1; 3701 IO::AIO::max_poll_time $TICK * 0.1;
3735 $AIO_POLL_WATCHER = Event->io ( 3702 $Coro::AIO::WATCHER->priority (1);
3736 reentrant => 0,
3737 data => WF_AUTOCANCEL,
3738 fd => IO::AIO::poll_fileno,
3739 poll => 'r',
3740 prio => 0,
3741 cb => \&IO::AIO::poll_cb,
3742 );
3743} 3703}
3744 3704
3745my $_log_backtrace; 3705my $_log_backtrace;
3746 3706
3747sub _log_backtrace { 3707sub _log_backtrace {

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